blob: bf5f5df2de4436e433ed35a47970ce71fe5f6a6a [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Yuval Mintz247fa822013-01-14 05:11:50 +00003 * Copyright (c) 2007-2013 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Ariel Elior08f6dd82014-05-27 13:11:36 +03009 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070010 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020030#include <linux/aer.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020031#include <linux/init.h>
32#include <linux/netdevice.h>
33#include <linux/etherdevice.h>
34#include <linux/skbuff.h>
35#include <linux/dma-mapping.h>
36#include <linux/bitops.h>
37#include <linux/irq.h>
38#include <linux/delay.h>
39#include <asm/byteorder.h>
40#include <linux/time.h>
41#include <linux/ethtool.h>
42#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080043#include <linux/if_vlan.h>
Amir Vadaic9931892014-08-25 16:06:54 +030044#include <linux/crash_dump.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030046#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020047#include <net/tcp.h>
Joe Stringer51de7bb2014-12-05 11:35:46 -080048#include <net/vxlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020049#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/workqueue.h>
52#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070053#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include <linux/prefetch.h>
55#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020056#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000057#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000058#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070059#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020060
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020061#include "bnx2x.h"
62#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070063#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000064#include "bnx2x_cmn.h"
Ariel Elior1ab44342013-01-01 05:22:23 +000065#include "bnx2x_vfpf.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000066#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000067#include "bnx2x_sp.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070068#include <linux/firmware.h>
69#include "bnx2x_fw_file_hdr.h"
70/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000071#define FW_FILE_VERSION \
72 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
73 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
74 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
75 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000076#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
77#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000078#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070079
Eilon Greenstein34f80b02008-06-23 20:33:01 -070080/* Time in jiffies before concluding the transmitter is hung */
81#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082
Bill Pemberton0329aba2012-12-03 09:24:24 -050083static char version[] =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030084 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020085 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
86
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070087MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000088MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030089 "BCM57710/57711/57711E/"
90 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
91 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020092MODULE_LICENSE("GPL");
93MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000094MODULE_FIRMWARE(FW_FILE_NAME_E1);
95MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000096MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020097
stephen hemmingera8f47eb2014-01-09 22:20:11 -080098int bnx2x_num_queues;
James M Leddy1c8bb762014-02-04 15:10:59 -050099module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000100MODULE_PARM_DESC(num_queues,
101 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000102
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103static int disable_tpa;
James M Leddy1c8bb762014-02-04 15:10:59 -0500104module_param(disable_tpa, int, S_IRUGO);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000105MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
stephen hemmingera8f47eb2014-01-09 22:20:11 -0800107static int int_mode;
James M Leddy1c8bb762014-02-04 15:10:59 -0500108module_param(int_mode, int, S_IRUGO);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300109MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000110 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000111
Eilon Greensteina18f5122009-08-12 08:23:26 +0000112static int dropless_fc;
James M Leddy1c8bb762014-02-04 15:10:59 -0500113module_param(dropless_fc, int, S_IRUGO);
Eilon Greensteina18f5122009-08-12 08:23:26 +0000114MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
115
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000116static int mrrs = -1;
James M Leddy1c8bb762014-02-04 15:10:59 -0500117module_param(mrrs, int, S_IRUGO);
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000118MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
119
Eilon Greenstein9898f862009-02-12 08:38:27 +0000120static int debug;
James M Leddy1c8bb762014-02-04 15:10:59 -0500121module_param(debug, int, S_IRUGO);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122MODULE_PARM_DESC(debug, " Default debug msglevel");
123
Yuval Mintz370d4a22014-03-23 18:12:24 +0200124static struct workqueue_struct *bnx2x_wq;
125struct workqueue_struct *bnx2x_iov_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000126
Barak Witkowski1ef1d452013-01-10 04:53:40 +0000127struct bnx2x_mac_vals {
128 u32 xmac_addr;
129 u32 xmac_val;
130 u32 emac_addr;
131 u32 emac_val;
Yuval Mintz3d6b7252015-04-01 10:02:19 +0300132 u32 umac_addr[2];
133 u32 umac_val[2];
Barak Witkowski1ef1d452013-01-10 04:53:40 +0000134 u32 bmac_addr;
135 u32 bmac_val[2];
136};
137
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200138enum bnx2x_board_type {
139 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300140 BCM57711,
141 BCM57711E,
142 BCM57712,
143 BCM57712_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000144 BCM57712_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300145 BCM57800,
146 BCM57800_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000147 BCM57800_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300148 BCM57810,
149 BCM57810_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000150 BCM57810_VF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300151 BCM57840_4_10,
152 BCM57840_2_20,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000153 BCM57840_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000154 BCM57840_VF,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000155 BCM57811,
Ariel Elior1ab44342013-01-01 05:22:23 +0000156 BCM57811_MF,
157 BCM57840_O,
158 BCM57840_MFO,
159 BCM57811_VF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200160};
161
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700162/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800163static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200164 char *name;
Bill Pemberton0329aba2012-12-03 09:24:24 -0500165} board_info[] = {
Ariel Elior1ab44342013-01-01 05:22:23 +0000166 [BCM57710] = { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
167 [BCM57711] = { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
168 [BCM57711E] = { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
169 [BCM57712] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
170 [BCM57712_MF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
171 [BCM57712_VF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Virtual Function" },
172 [BCM57800] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
173 [BCM57800_MF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
174 [BCM57800_VF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Virtual Function" },
175 [BCM57810] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
176 [BCM57810_MF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
177 [BCM57810_VF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Virtual Function" },
178 [BCM57840_4_10] = { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
179 [BCM57840_2_20] = { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
180 [BCM57840_MF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
181 [BCM57840_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" },
182 [BCM57811] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet" },
183 [BCM57811_MF] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function" },
184 [BCM57840_O] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
185 [BCM57840_MFO] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
186 [BCM57811_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200187};
188
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300189#ifndef PCI_DEVICE_ID_NX2_57710
190#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57711
193#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57711E
196#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
197#endif
198#ifndef PCI_DEVICE_ID_NX2_57712
199#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57712_MF
202#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
203#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000204#ifndef PCI_DEVICE_ID_NX2_57712_VF
205#define PCI_DEVICE_ID_NX2_57712_VF CHIP_NUM_57712_VF
206#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300207#ifndef PCI_DEVICE_ID_NX2_57800
208#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
209#endif
210#ifndef PCI_DEVICE_ID_NX2_57800_MF
211#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
212#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000213#ifndef PCI_DEVICE_ID_NX2_57800_VF
214#define PCI_DEVICE_ID_NX2_57800_VF CHIP_NUM_57800_VF
215#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300216#ifndef PCI_DEVICE_ID_NX2_57810
217#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
218#endif
219#ifndef PCI_DEVICE_ID_NX2_57810_MF
220#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
221#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300222#ifndef PCI_DEVICE_ID_NX2_57840_O
223#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
224#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000225#ifndef PCI_DEVICE_ID_NX2_57810_VF
226#define PCI_DEVICE_ID_NX2_57810_VF CHIP_NUM_57810_VF
227#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300228#ifndef PCI_DEVICE_ID_NX2_57840_4_10
229#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
230#endif
231#ifndef PCI_DEVICE_ID_NX2_57840_2_20
232#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
233#endif
234#ifndef PCI_DEVICE_ID_NX2_57840_MFO
235#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300236#endif
237#ifndef PCI_DEVICE_ID_NX2_57840_MF
238#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
239#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000240#ifndef PCI_DEVICE_ID_NX2_57840_VF
241#define PCI_DEVICE_ID_NX2_57840_VF CHIP_NUM_57840_VF
242#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000243#ifndef PCI_DEVICE_ID_NX2_57811
244#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
245#endif
246#ifndef PCI_DEVICE_ID_NX2_57811_MF
247#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
248#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000249#ifndef PCI_DEVICE_ID_NX2_57811_VF
250#define PCI_DEVICE_ID_NX2_57811_VF CHIP_NUM_57811_VF
251#endif
252
Benoit Taine9baa3c32014-08-08 15:56:03 +0200253static const struct pci_device_id bnx2x_pci_tbl[] = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000254 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
255 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
256 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000257 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300258 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000259 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_VF), BCM57712_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300260 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
261 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000262 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_VF), BCM57800_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300263 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
264 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300265 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
266 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
267 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
Ariel Elior8395be52013-01-01 05:22:44 +0000268 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_VF), BCM57810_VF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300269 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300270 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000271 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_VF), BCM57840_VF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000272 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
273 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000274 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_VF), BCM57811_VF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200275 { 0 }
276};
277
278MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
279
Yuval Mintz452427b2012-03-26 20:47:07 +0000280/* Global resources for unloading a previously loaded device */
281#define BNX2X_PREV_WAIT_NEEDED 1
282static DEFINE_SEMAPHORE(bnx2x_prev_sem);
283static LIST_HEAD(bnx2x_prev_list);
stephen hemmingera8f47eb2014-01-09 22:20:11 -0800284
285/* Forward declaration */
286static struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
287static u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp);
288static int bnx2x_set_storm_rx_mode(struct bnx2x *bp);
289
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200290/****************************************************************************
291* General service functions
292****************************************************************************/
293
Michal Kalderoneeed0182014-08-17 16:47:44 +0300294static int bnx2x_hwtstamp_ioctl(struct bnx2x *bp, struct ifreq *ifr);
295
Eric Dumazet1191cb82012-04-27 21:39:21 +0000296static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300297 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000298{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300299 REG_WR(bp, addr, U64_LO(mapping));
300 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000301}
302
Eric Dumazet1191cb82012-04-27 21:39:21 +0000303static void storm_memset_spq_addr(struct bnx2x *bp,
304 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300305{
306 u32 addr = XSEM_REG_FAST_MEMORY +
307 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
308
309 __storm_memset_dma_mapping(bp, addr, mapping);
310}
311
Eric Dumazet1191cb82012-04-27 21:39:21 +0000312static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
313 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300314{
315 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
316 pf_id);
317 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
318 pf_id);
319 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
320 pf_id);
321 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323}
324
Eric Dumazet1191cb82012-04-27 21:39:21 +0000325static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
326 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
329 enable);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
331 enable);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
333 enable);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000337
Eric Dumazet1191cb82012-04-27 21:39:21 +0000338static void storm_memset_eq_data(struct bnx2x *bp,
339 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000340 u16 pfid)
341{
342 size_t size = sizeof(struct event_ring_data);
343
344 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
345
346 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
347}
348
Eric Dumazet1191cb82012-04-27 21:39:21 +0000349static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
350 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000351{
352 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
353 REG_WR16(bp, addr, eq_prod);
354}
355
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200356/* used only at init
357 * locking is done by mcp
358 */
stephen hemminger8d962862010-10-21 07:50:56 +0000359static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200360{
361 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
362 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
363 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
364 PCICFG_VENDOR_ID_OFFSET);
365}
366
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200367static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
368{
369 u32 val;
370
371 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
372 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
373 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
374 PCICFG_VENDOR_ID_OFFSET);
375
376 return val;
377}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200378
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000379#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
380#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
381#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
382#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
383#define DMAE_DP_DST_NONE "dst_addr [none]"
384
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000385static void bnx2x_dp_dmae(struct bnx2x *bp,
386 struct dmae_command *dmae, int msglvl)
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000387{
388 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000389 int i;
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000390
391 switch (dmae->opcode & DMAE_COMMAND_DST) {
392 case DMAE_CMD_DST_PCI:
393 if (src_type == DMAE_CMD_SRC_PCI)
394 DP(msglvl, "DMAE: opcode 0x%08x\n"
395 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
396 "comp_addr [%x:%08x], comp_val 0x%08x\n",
397 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
398 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
399 dmae->comp_addr_hi, dmae->comp_addr_lo,
400 dmae->comp_val);
401 else
402 DP(msglvl, "DMAE: opcode 0x%08x\n"
403 "src [%08x], len [%d*4], dst [%x:%08x]\n"
404 "comp_addr [%x:%08x], comp_val 0x%08x\n",
405 dmae->opcode, dmae->src_addr_lo >> 2,
406 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
407 dmae->comp_addr_hi, dmae->comp_addr_lo,
408 dmae->comp_val);
409 break;
410 case DMAE_CMD_DST_GRC:
411 if (src_type == DMAE_CMD_SRC_PCI)
412 DP(msglvl, "DMAE: opcode 0x%08x\n"
413 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
414 "comp_addr [%x:%08x], comp_val 0x%08x\n",
415 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
416 dmae->len, dmae->dst_addr_lo >> 2,
417 dmae->comp_addr_hi, dmae->comp_addr_lo,
418 dmae->comp_val);
419 else
420 DP(msglvl, "DMAE: opcode 0x%08x\n"
421 "src [%08x], len [%d*4], dst [%08x]\n"
422 "comp_addr [%x:%08x], comp_val 0x%08x\n",
423 dmae->opcode, dmae->src_addr_lo >> 2,
424 dmae->len, dmae->dst_addr_lo >> 2,
425 dmae->comp_addr_hi, dmae->comp_addr_lo,
426 dmae->comp_val);
427 break;
428 default:
429 if (src_type == DMAE_CMD_SRC_PCI)
430 DP(msglvl, "DMAE: opcode 0x%08x\n"
431 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
432 "comp_addr [%x:%08x] comp_val 0x%08x\n",
433 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
434 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
435 dmae->comp_val);
436 else
437 DP(msglvl, "DMAE: opcode 0x%08x\n"
438 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
439 "comp_addr [%x:%08x] comp_val 0x%08x\n",
440 dmae->opcode, dmae->src_addr_lo >> 2,
441 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
442 dmae->comp_val);
443 break;
444 }
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000445
446 for (i = 0; i < (sizeof(struct dmae_command)/4); i++)
447 DP(msglvl, "DMAE RAW [%02d]: 0x%08x\n",
448 i, *(((u32 *)dmae) + i));
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000449}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000450
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200451/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000452void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200453{
454 u32 cmd_offset;
455 int i;
456
457 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
458 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
459 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200460 }
461 REG_WR(bp, dmae_reg_go_c[idx], 1);
462}
463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000464u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
465{
466 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
467 DMAE_CMD_C_ENABLE);
468}
469
470u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
471{
472 return opcode & ~DMAE_CMD_SRC_RESET;
473}
474
475u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
476 bool with_comp, u8 comp_type)
477{
478 u32 opcode = 0;
479
480 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
481 (dst_type << DMAE_COMMAND_DST_SHIFT));
482
483 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
484
485 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400486 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
487 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000488 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
489
490#ifdef __BIG_ENDIAN
491 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
492#else
493 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
494#endif
495 if (with_comp)
496 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
497 return opcode;
498}
499
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000500void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
stephen hemminger8d962862010-10-21 07:50:56 +0000501 struct dmae_command *dmae,
502 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000503{
504 memset(dmae, 0, sizeof(struct dmae_command));
505
506 /* set the opcode */
507 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
508 true, DMAE_COMP_PCI);
509
510 /* fill in the completion parameters */
511 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
512 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
513 dmae->comp_val = DMAE_COMP_VAL;
514}
515
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000516/* issue a dmae command over the init-channel and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200517int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
518 u32 *comp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000519{
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000520 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000521 int rc = 0;
522
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000523 bnx2x_dp_dmae(bp, dmae, BNX2X_MSG_DMAE);
524
525 /* Lock the dmae channel. Disable BHs to prevent a dead-lock
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300526 * as long as this code is called both from syscall context and
527 * from ndo_set_rx_mode() flow that may be called from BH.
528 */
Michal Kalderoneeed0182014-08-17 16:47:44 +0300529
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800530 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000531
532 /* reset completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200533 *comp = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000534
535 /* post the command on the channel used for initializations */
536 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
537
538 /* wait for completion */
539 udelay(5);
Ariel Elior32316a42013-10-20 16:51:32 +0200540 while ((*comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000541
Ariel Elior95c6c6162012-01-26 06:01:52 +0000542 if (!cnt ||
543 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
544 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000545 BNX2X_ERR("DMAE timeout!\n");
546 rc = DMAE_TIMEOUT;
547 goto unlock;
548 }
549 cnt--;
550 udelay(50);
551 }
Ariel Elior32316a42013-10-20 16:51:32 +0200552 if (*comp & DMAE_PCI_ERR_FLAG) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000553 BNX2X_ERR("DMAE PCI error!\n");
554 rc = DMAE_PCI_ERROR;
555 }
556
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000557unlock:
Michal Kalderoneeed0182014-08-17 16:47:44 +0300558
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800559 spin_unlock_bh(&bp->dmae_lock);
Michal Kalderoneeed0182014-08-17 16:47:44 +0300560
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000561 return rc;
562}
563
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700564void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
565 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200566{
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000567 int rc;
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000568 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700569
570 if (!bp->dmae_ready) {
571 u32 *data = bnx2x_sp(bp, wb_data[0]);
572
Ariel Elior127a4252012-01-26 06:01:46 +0000573 if (CHIP_IS_E1(bp))
574 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
575 else
576 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700577 return;
578 }
579
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000580 /* set opcode and fixed command fields */
581 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200582
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000584 dmae.src_addr_lo = U64_LO(dma_addr);
585 dmae.src_addr_hi = U64_HI(dma_addr);
586 dmae.dst_addr_lo = dst_addr >> 2;
587 dmae.dst_addr_hi = 0;
588 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200589
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000590 /* issue the command and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200591 rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000592 if (rc) {
593 BNX2X_ERR("DMAE returned failure %d\n", rc);
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200594#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000595 bnx2x_panic();
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200596#endif
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000597 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200598}
599
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700600void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200601{
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000602 int rc;
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000603 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700604
605 if (!bp->dmae_ready) {
606 u32 *data = bnx2x_sp(bp, wb_data[0]);
607 int i;
608
Merav Sicron51c1a582012-03-18 10:33:38 +0000609 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000610 for (i = 0; i < len32; i++)
611 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000612 else
Ariel Elior127a4252012-01-26 06:01:46 +0000613 for (i = 0; i < len32; i++)
614 data[i] = REG_RD(bp, src_addr + i*4);
615
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700616 return;
617 }
618
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000619 /* set opcode and fixed command fields */
620 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200621
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000622 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000623 dmae.src_addr_lo = src_addr >> 2;
624 dmae.src_addr_hi = 0;
625 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
626 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
627 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200628
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000629 /* issue the command and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200630 rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000631 if (rc) {
632 BNX2X_ERR("DMAE returned failure %d\n", rc);
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200633#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000634 bnx2x_panic();
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200635#endif
Yuval Mintzc957d092013-06-25 08:50:11 +0300636 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200637}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200638
stephen hemminger8d962862010-10-21 07:50:56 +0000639static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
640 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000641{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000642 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000643 int offset = 0;
644
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000645 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000646 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000647 addr + offset, dmae_wr_max);
648 offset += dmae_wr_max * 4;
649 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000650 }
651
652 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
653}
654
Ariel Elior97539f12014-08-17 16:47:51 +0300655enum storms {
656 XSTORM,
657 TSTORM,
658 CSTORM,
659 USTORM,
660 MAX_STORMS
661};
662
663#define STORMS_NUM 4
664#define REGS_IN_ENTRY 4
665
666static inline int bnx2x_get_assert_list_entry(struct bnx2x *bp,
667 enum storms storm,
668 int entry)
669{
670 switch (storm) {
671 case XSTORM:
672 return XSTORM_ASSERT_LIST_OFFSET(entry);
673 case TSTORM:
674 return TSTORM_ASSERT_LIST_OFFSET(entry);
675 case CSTORM:
676 return CSTORM_ASSERT_LIST_OFFSET(entry);
677 case USTORM:
678 return USTORM_ASSERT_LIST_OFFSET(entry);
679 case MAX_STORMS:
680 default:
681 BNX2X_ERR("unknown storm\n");
682 }
683 return -EINVAL;
684}
685
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200686static int bnx2x_mc_assert(struct bnx2x *bp)
687{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200688 char last_idx;
Ariel Elior97539f12014-08-17 16:47:51 +0300689 int i, j, rc = 0;
690 enum storms storm;
691 u32 regs[REGS_IN_ENTRY];
692 u32 bar_storm_intmem[STORMS_NUM] = {
693 BAR_XSTRORM_INTMEM,
694 BAR_TSTRORM_INTMEM,
695 BAR_CSTRORM_INTMEM,
696 BAR_USTRORM_INTMEM
697 };
698 u32 storm_assert_list_index[STORMS_NUM] = {
699 XSTORM_ASSERT_LIST_INDEX_OFFSET,
700 TSTORM_ASSERT_LIST_INDEX_OFFSET,
701 CSTORM_ASSERT_LIST_INDEX_OFFSET,
702 USTORM_ASSERT_LIST_INDEX_OFFSET
703 };
704 char *storms_string[STORMS_NUM] = {
705 "XSTORM",
706 "TSTORM",
707 "CSTORM",
708 "USTORM"
709 };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200710
Ariel Elior97539f12014-08-17 16:47:51 +0300711 for (storm = XSTORM; storm < MAX_STORMS; storm++) {
712 last_idx = REG_RD8(bp, bar_storm_intmem[storm] +
713 storm_assert_list_index[storm]);
714 if (last_idx)
715 BNX2X_ERR("%s_ASSERT_LIST_INDEX 0x%x\n",
716 storms_string[storm], last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717
Ariel Elior97539f12014-08-17 16:47:51 +0300718 /* print the asserts */
719 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
720 /* read a single assert entry */
721 for (j = 0; j < REGS_IN_ENTRY; j++)
722 regs[j] = REG_RD(bp, bar_storm_intmem[storm] +
723 bnx2x_get_assert_list_entry(bp,
724 storm,
725 i) +
726 sizeof(u32) * j);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Ariel Elior97539f12014-08-17 16:47:51 +0300728 /* log entry if it contains a valid assert */
729 if (regs[0] != COMMON_ASM_INVALID_ASSERT_OPCODE) {
730 BNX2X_ERR("%s_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
731 storms_string[storm], i, regs[3],
732 regs[2], regs[1], regs[0]);
733 rc++;
734 } else {
735 break;
736 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200737 }
738 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739
Ariel Elior97539f12014-08-17 16:47:51 +0300740 BNX2X_ERR("Chip Revision: %s, FW Version: %d_%d_%d\n",
741 CHIP_IS_E1(bp) ? "everest1" :
742 CHIP_IS_E1H(bp) ? "everest1h" :
743 CHIP_IS_E2(bp) ? "everest2" : "everest3",
744 BCM_5710_FW_MAJOR_VERSION,
745 BCM_5710_FW_MINOR_VERSION,
746 BCM_5710_FW_REVISION_VERSION);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200748 return rc;
749}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800750
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200751#define MCPR_TRACE_BUFFER_SIZE (0x800)
752#define SCRATCH_BUFFER_SIZE(bp) \
753 (CHIP_IS_E1(bp) ? 0x10000 : (CHIP_IS_E1H(bp) ? 0x20000 : 0x28000))
754
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000755void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200756{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000757 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200758 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000759 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200760 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000761 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000762 if (BP_NOMCP(bp)) {
763 BNX2X_ERR("NO MCP - can not dump\n");
764 return;
765 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000766 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
767 (bp->common.bc_ver & 0xff0000) >> 16,
768 (bp->common.bc_ver & 0xff00) >> 8,
769 (bp->common.bc_ver & 0xff));
770
771 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
772 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000773 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000774
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000775 if (BP_PATH(bp) == 0)
776 trace_shmem_base = bp->common.shmem_base;
777 else
778 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200779
780 /* sanity */
781 if (trace_shmem_base < MCPR_SCRATCH_BASE(bp) + MCPR_TRACE_BUFFER_SIZE ||
782 trace_shmem_base >= MCPR_SCRATCH_BASE(bp) +
783 SCRATCH_BUFFER_SIZE(bp)) {
784 BNX2X_ERR("Unable to dump trace buffer (mark %x)\n",
785 trace_shmem_base);
786 return;
787 }
788
789 addr = trace_shmem_base - MCPR_TRACE_BUFFER_SIZE;
Dmitry Kravkovde128802012-03-18 10:33:45 +0000790
791 /* validate TRCB signature */
792 mark = REG_RD(bp, addr);
793 if (mark != MFW_TRACE_SIGNATURE) {
794 BNX2X_ERR("Trace buffer signature is missing.");
795 return ;
796 }
797
798 /* read cyclic buffer pointer */
799 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000800 mark = REG_RD(bp, addr);
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200801 mark = MCPR_SCRATCH_BASE(bp) + ((mark + 0x3) & ~0x3) - 0x08000000;
802 if (mark >= trace_shmem_base || mark < addr + 4) {
803 BNX2X_ERR("Mark doesn't fall inside Trace Buffer\n");
804 return;
805 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000806 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200807
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000808 printk("%s", lvl);
Yuval Mintz2de67432013-01-23 03:21:43 +0000809
810 /* dump buffer after the mark */
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200811 for (offset = mark; offset < trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200812 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000813 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200814 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000815 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200816 }
Yuval Mintz2de67432013-01-23 03:21:43 +0000817
818 /* dump buffer before the mark */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000819 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200820 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000821 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200822 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000823 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200824 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000825 printk("%s" "end of fw dump\n", lvl);
826}
827
Eric Dumazet1191cb82012-04-27 21:39:21 +0000828static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000829{
830 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200831}
832
Yuval Mintz823e1d92013-01-14 05:11:47 +0000833static void bnx2x_hc_int_disable(struct bnx2x *bp)
834{
835 int port = BP_PORT(bp);
836 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
837 u32 val = REG_RD(bp, addr);
838
839 /* in E1 we must use only PCI configuration space to disable
Yuval Mintz16a5fd92013-06-02 00:06:18 +0000840 * MSI/MSIX capability
841 * It's forbidden to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
Yuval Mintz823e1d92013-01-14 05:11:47 +0000842 */
843 if (CHIP_IS_E1(bp)) {
844 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
845 * Use mask register to prevent from HC sending interrupts
846 * after we exit the function
847 */
848 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
849
850 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
851 HC_CONFIG_0_REG_INT_LINE_EN_0 |
852 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
853 } else
854 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
855 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
856 HC_CONFIG_0_REG_INT_LINE_EN_0 |
857 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
858
859 DP(NETIF_MSG_IFDOWN,
860 "write %x to HC %d (addr 0x%x)\n",
861 val, port, addr);
862
863 /* flush all outstanding writes */
864 mmiowb();
865
866 REG_WR(bp, addr, val);
867 if (REG_RD(bp, addr) != val)
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000868 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
Yuval Mintz823e1d92013-01-14 05:11:47 +0000869}
870
871static void bnx2x_igu_int_disable(struct bnx2x *bp)
872{
873 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
874
875 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
876 IGU_PF_CONF_INT_LINE_EN |
877 IGU_PF_CONF_ATTN_BIT_EN);
878
879 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
880
881 /* flush all outstanding writes */
882 mmiowb();
883
884 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
885 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000886 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
Yuval Mintz823e1d92013-01-14 05:11:47 +0000887}
888
889static void bnx2x_int_disable(struct bnx2x *bp)
890{
891 if (bp->common.int_block == INT_BLOCK_HC)
892 bnx2x_hc_int_disable(bp);
893 else
894 bnx2x_igu_int_disable(bp);
895}
896
897void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200898{
899 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 u16 j;
901 struct hc_sp_status_block_data sp_sb_data;
902 int func = BP_FUNC(bp);
903#ifdef BNX2X_STOP_ON_ERROR
904 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000905 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906#endif
Yuval Mintz0155a272014-02-12 18:19:55 +0200907 if (IS_PF(bp) && disable_int)
Yuval Mintz823e1d92013-01-14 05:11:47 +0000908 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200909
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700910 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000911 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700912 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
913
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200914 BNX2X_ERR("begin crash dump -----------------\n");
915
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000916 /* Indices */
917 /* Common */
Yuval Mintz0155a272014-02-12 18:19:55 +0200918 if (IS_PF(bp)) {
919 struct host_sp_status_block *def_sb = bp->def_status_blk;
920 int data_size, cstorm_offset;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000921
Yuval Mintz0155a272014-02-12 18:19:55 +0200922 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
923 bp->def_idx, bp->def_att_idx, bp->attn_state,
924 bp->spq_prod_idx, bp->stats_counter);
925 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
926 def_sb->atten_status_block.attn_bits,
927 def_sb->atten_status_block.attn_bits_ack,
928 def_sb->atten_status_block.status_block_id,
929 def_sb->atten_status_block.attn_bits_index);
930 BNX2X_ERR(" def (");
931 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
932 pr_cont("0x%x%s",
933 def_sb->sp_sb.index_values[i],
934 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000935
Yuval Mintz0155a272014-02-12 18:19:55 +0200936 data_size = sizeof(struct hc_sp_status_block_data) /
937 sizeof(u32);
938 cstorm_offset = CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func);
939 for (i = 0; i < data_size; i++)
940 *((u32 *)&sp_sb_data + i) =
941 REG_RD(bp, BAR_CSTRORM_INTMEM + cstorm_offset +
942 i * sizeof(u32));
943
944 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
945 sp_sb_data.igu_sb_id,
946 sp_sb_data.igu_seg_id,
947 sp_sb_data.p_func.pf_id,
948 sp_sb_data.p_func.vnic_id,
949 sp_sb_data.p_func.vf_id,
950 sp_sb_data.p_func.vf_valid,
951 sp_sb_data.state);
952 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000954 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000955 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000958 struct hc_status_block_data_e1x sb_data_e1x;
959 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300960 CHIP_IS_E1x(bp) ?
961 sb_data_e1x.common.state_machine :
962 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300964 CHIP_IS_E1x(bp) ?
965 sb_data_e1x.index_data :
966 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000967 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000968 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000969 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000970
Yuval Mintze2611992014-08-17 16:47:47 +0300971 if (!bp->fp)
972 break;
973
974 if (!fp->rx_cons_sb)
975 continue;
976
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000977 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000978 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000979 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000981 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000982 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000983 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000984 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000985
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000986 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000987 for_each_cos_in_tx_queue(fp, cos)
988 {
Yuval Mintz1fc3de92014-08-26 10:24:41 +0300989 if (!fp->txdata_ptr[cos])
Yuval Mintze2611992014-08-17 16:47:47 +0300990 break;
991
Merav Sicron65565882012-06-19 07:48:26 +0000992 txdata = *fp->txdata_ptr[cos];
Yuval Mintze2611992014-08-17 16:47:47 +0300993
994 if (!txdata.tx_cons_sb)
995 continue;
996
Merav Sicron51c1a582012-03-18 10:33:38 +0000997 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000998 i, txdata.tx_pkt_prod,
999 txdata.tx_pkt_cons, txdata.tx_bd_prod,
1000 txdata.tx_bd_cons,
1001 le16_to_cpu(*txdata.tx_cons_sb));
1002 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001003
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001004 loop = CHIP_IS_E1x(bp) ?
1005 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001006
1007 /* host sb data */
1008
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001009 if (IS_FCOE_FP(fp))
1010 continue;
Merav Sicron55c11942012-11-07 00:45:48 +00001011
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001012 BNX2X_ERR(" run indexes (");
1013 for (j = 0; j < HC_SB_MAX_SM; j++)
1014 pr_cont("0x%x%s",
1015 fp->sb_running_index[j],
1016 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
1017
1018 BNX2X_ERR(" indexes (");
1019 for (j = 0; j < loop; j++)
1020 pr_cont("0x%x%s",
1021 fp->sb_index_values[j],
1022 (j == loop - 1) ? ")" : " ");
Yuval Mintz0155a272014-02-12 18:19:55 +02001023
1024 /* VF cannot access FW refelection for status block */
1025 if (IS_VF(bp))
1026 continue;
1027
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001028 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001029 data_size = CHIP_IS_E1x(bp) ?
1030 sizeof(struct hc_status_block_data_e1x) :
1031 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001032 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001033 sb_data_p = CHIP_IS_E1x(bp) ?
1034 (u32 *)&sb_data_e1x :
1035 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001036 /* copy sb data in here */
1037 for (j = 0; j < data_size; j++)
1038 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
1039 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
1040 j * sizeof(u32));
1041
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001042 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001043 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001044 sb_data_e2.common.p_func.pf_id,
1045 sb_data_e2.common.p_func.vf_id,
1046 sb_data_e2.common.p_func.vf_valid,
1047 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001048 sb_data_e2.common.same_igu_sb_1b,
1049 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001050 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00001051 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001052 sb_data_e1x.common.p_func.pf_id,
1053 sb_data_e1x.common.p_func.vf_id,
1054 sb_data_e1x.common.p_func.vf_valid,
1055 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001056 sb_data_e1x.common.same_igu_sb_1b,
1057 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001058 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001059
1060 /* SB_SMs data */
1061 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001062 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
1063 j, hc_sm_p[j].__flags,
1064 hc_sm_p[j].igu_sb_id,
1065 hc_sm_p[j].igu_seg_id,
1066 hc_sm_p[j].time_to_expire,
1067 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001068 }
1069
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001070 /* Indices data */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001071 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001072 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001073 hc_index_p[j].flags,
1074 hc_index_p[j].timeout);
1075 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001077
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001078#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz0155a272014-02-12 18:19:55 +02001079 if (IS_PF(bp)) {
1080 /* event queue */
1081 BNX2X_ERR("eq cons %x prod %x\n", bp->eq_cons, bp->eq_prod);
1082 for (i = 0; i < NUM_EQ_DESC; i++) {
1083 u32 *data = (u32 *)&bp->eq_ring[i].message.data;
Yuval Mintz04c46732013-01-23 03:21:46 +00001084
Yuval Mintz0155a272014-02-12 18:19:55 +02001085 BNX2X_ERR("event queue [%d]: header: opcode %d, error %d\n",
1086 i, bp->eq_ring[i].message.opcode,
1087 bp->eq_ring[i].message.error);
1088 BNX2X_ERR("data: %x %x %x\n",
1089 data[0], data[1], data[2]);
1090 }
Yuval Mintz04c46732013-01-23 03:21:46 +00001091 }
1092
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001093 /* Rings */
1094 /* Rx */
Merav Sicron55c11942012-11-07 00:45:48 +00001095 for_each_valid_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001096 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001097
Yuval Mintze2611992014-08-17 16:47:47 +03001098 if (!bp->fp)
1099 break;
1100
1101 if (!fp->rx_cons_sb)
1102 continue;
1103
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001104 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1105 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001106 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001107 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1108 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1109
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001110 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +00001111 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001112 }
1113
Eilon Greenstein3196a882008-08-13 15:58:49 -07001114 start = RX_SGE(fp->rx_sge_prod);
1115 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001116 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001117 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1118 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1119
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001120 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1121 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001122 }
1123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001124 start = RCQ_BD(fp->rx_comp_cons - 10);
1125 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001126 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1128
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001129 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1130 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001131 }
1132 }
1133
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001134 /* Tx */
Merav Sicron55c11942012-11-07 00:45:48 +00001135 for_each_valid_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001136 struct bnx2x_fastpath *fp = &bp->fp[i];
Yuval Mintze2611992014-08-17 16:47:47 +03001137
1138 if (!bp->fp)
1139 break;
1140
Ariel Elior6383c0b2011-07-14 08:31:57 +00001141 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00001142 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001143
Yuval Mintz1fc3de92014-08-26 10:24:41 +03001144 if (!fp->txdata_ptr[cos])
Yuval Mintze2611992014-08-17 16:47:47 +03001145 break;
1146
Yuval Mintzea36475a2014-08-25 17:48:30 +03001147 if (!txdata->tx_cons_sb)
Yuval Mintze2611992014-08-17 16:47:47 +03001148 continue;
1149
Ariel Elior6383c0b2011-07-14 08:31:57 +00001150 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
1151 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
1152 for (j = start; j != end; j = TX_BD(j + 1)) {
1153 struct sw_tx_bd *sw_bd =
1154 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001155
Merav Sicron51c1a582012-03-18 10:33:38 +00001156 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001157 i, cos, j, sw_bd->skb,
1158 sw_bd->first_bd);
1159 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001160
Ariel Elior6383c0b2011-07-14 08:31:57 +00001161 start = TX_BD(txdata->tx_bd_cons - 10);
1162 end = TX_BD(txdata->tx_bd_cons + 254);
1163 for (j = start; j != end; j = TX_BD(j + 1)) {
1164 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001165
Merav Sicron51c1a582012-03-18 10:33:38 +00001166 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001167 i, cos, j, tx_bd[0], tx_bd[1],
1168 tx_bd[2], tx_bd[3]);
1169 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001170 }
1171 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001172#endif
Yuval Mintz0155a272014-02-12 18:19:55 +02001173 if (IS_PF(bp)) {
1174 bnx2x_fw_dump(bp);
1175 bnx2x_mc_assert(bp);
1176 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001177 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001178}
1179
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001180/*
1181 * FLR Support for E2
1182 *
1183 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1184 * initialization.
1185 */
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001186#define FLR_WAIT_USEC 10000 /* 10 milliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001187#define FLR_WAIT_INTERVAL 50 /* usec */
1188#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001189
1190struct pbf_pN_buf_regs {
1191 int pN;
1192 u32 init_crd;
1193 u32 crd;
1194 u32 crd_freed;
1195};
1196
1197struct pbf_pN_cmd_regs {
1198 int pN;
1199 u32 lines_occup;
1200 u32 lines_freed;
1201};
1202
1203static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1204 struct pbf_pN_buf_regs *regs,
1205 u32 poll_count)
1206{
1207 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1208 u32 cur_cnt = poll_count;
1209
1210 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1211 crd = crd_start = REG_RD(bp, regs->crd);
1212 init_crd = REG_RD(bp, regs->init_crd);
1213
1214 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1215 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1216 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1217
1218 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1219 (init_crd - crd_start))) {
1220 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001221 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001222 crd = REG_RD(bp, regs->crd);
1223 crd_freed = REG_RD(bp, regs->crd_freed);
1224 } else {
1225 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1226 regs->pN);
1227 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1228 regs->pN, crd);
1229 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1230 regs->pN, crd_freed);
1231 break;
1232 }
1233 }
1234 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001235 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001236}
1237
1238static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1239 struct pbf_pN_cmd_regs *regs,
1240 u32 poll_count)
1241{
1242 u32 occup, to_free, freed, freed_start;
1243 u32 cur_cnt = poll_count;
1244
1245 occup = to_free = REG_RD(bp, regs->lines_occup);
1246 freed = freed_start = REG_RD(bp, regs->lines_freed);
1247
1248 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1249 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1250
1251 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1252 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001253 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001254 occup = REG_RD(bp, regs->lines_occup);
1255 freed = REG_RD(bp, regs->lines_freed);
1256 } else {
1257 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1258 regs->pN);
1259 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1260 regs->pN, occup);
1261 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1262 regs->pN, freed);
1263 break;
1264 }
1265 }
1266 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001267 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001268}
1269
Eric Dumazet1191cb82012-04-27 21:39:21 +00001270static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1271 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001272{
1273 u32 cur_cnt = poll_count;
1274 u32 val;
1275
1276 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001277 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001278
1279 return val;
1280}
1281
Ariel Eliord16132c2013-01-01 05:22:42 +00001282int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1283 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001284{
1285 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1286 if (val != 0) {
1287 BNX2X_ERR("%s usage count=%d\n", msg, val);
1288 return 1;
1289 }
1290 return 0;
1291}
1292
Ariel Eliord16132c2013-01-01 05:22:42 +00001293/* Common routines with VF FLR cleanup */
1294u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001295{
1296 /* adjust polling timeout */
1297 if (CHIP_REV_IS_EMUL(bp))
1298 return FLR_POLL_CNT * 2000;
1299
1300 if (CHIP_REV_IS_FPGA(bp))
1301 return FLR_POLL_CNT * 120;
1302
1303 return FLR_POLL_CNT;
1304}
1305
Ariel Eliord16132c2013-01-01 05:22:42 +00001306void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001307{
1308 struct pbf_pN_cmd_regs cmd_regs[] = {
1309 {0, (CHIP_IS_E3B0(bp)) ?
1310 PBF_REG_TQ_OCCUPANCY_Q0 :
1311 PBF_REG_P0_TQ_OCCUPANCY,
1312 (CHIP_IS_E3B0(bp)) ?
1313 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1314 PBF_REG_P0_TQ_LINES_FREED_CNT},
1315 {1, (CHIP_IS_E3B0(bp)) ?
1316 PBF_REG_TQ_OCCUPANCY_Q1 :
1317 PBF_REG_P1_TQ_OCCUPANCY,
1318 (CHIP_IS_E3B0(bp)) ?
1319 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1320 PBF_REG_P1_TQ_LINES_FREED_CNT},
1321 {4, (CHIP_IS_E3B0(bp)) ?
1322 PBF_REG_TQ_OCCUPANCY_LB_Q :
1323 PBF_REG_P4_TQ_OCCUPANCY,
1324 (CHIP_IS_E3B0(bp)) ?
1325 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1326 PBF_REG_P4_TQ_LINES_FREED_CNT}
1327 };
1328
1329 struct pbf_pN_buf_regs buf_regs[] = {
1330 {0, (CHIP_IS_E3B0(bp)) ?
1331 PBF_REG_INIT_CRD_Q0 :
1332 PBF_REG_P0_INIT_CRD ,
1333 (CHIP_IS_E3B0(bp)) ?
1334 PBF_REG_CREDIT_Q0 :
1335 PBF_REG_P0_CREDIT,
1336 (CHIP_IS_E3B0(bp)) ?
1337 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1338 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1339 {1, (CHIP_IS_E3B0(bp)) ?
1340 PBF_REG_INIT_CRD_Q1 :
1341 PBF_REG_P1_INIT_CRD,
1342 (CHIP_IS_E3B0(bp)) ?
1343 PBF_REG_CREDIT_Q1 :
1344 PBF_REG_P1_CREDIT,
1345 (CHIP_IS_E3B0(bp)) ?
1346 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1347 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1348 {4, (CHIP_IS_E3B0(bp)) ?
1349 PBF_REG_INIT_CRD_LB_Q :
1350 PBF_REG_P4_INIT_CRD,
1351 (CHIP_IS_E3B0(bp)) ?
1352 PBF_REG_CREDIT_LB_Q :
1353 PBF_REG_P4_CREDIT,
1354 (CHIP_IS_E3B0(bp)) ?
1355 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1356 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1357 };
1358
1359 int i;
1360
1361 /* Verify the command queues are flushed P0, P1, P4 */
1362 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1363 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1364
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001365 /* Verify the transmission buffers are flushed P0, P1, P4 */
1366 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1367 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1368}
1369
1370#define OP_GEN_PARAM(param) \
1371 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1372
1373#define OP_GEN_TYPE(type) \
1374 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1375
1376#define OP_GEN_AGG_VECT(index) \
1377 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1378
Ariel Eliord16132c2013-01-01 05:22:42 +00001379int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001380{
Yuval Mintz86564c32013-01-23 03:21:50 +00001381 u32 op_gen_command = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001382 u32 comp_addr = BAR_CSTRORM_INTMEM +
1383 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1384 int ret = 0;
1385
1386 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001387 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001388 return 1;
1389 }
1390
Yuval Mintz86564c32013-01-23 03:21:50 +00001391 op_gen_command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1392 op_gen_command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1393 op_gen_command |= OP_GEN_AGG_VECT(clnup_func);
1394 op_gen_command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001395
Ariel Elior89db4ad2012-01-26 06:01:48 +00001396 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Yuval Mintz86564c32013-01-23 03:21:50 +00001397 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen_command);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001398
1399 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1400 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001401 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1402 (REG_RD(bp, comp_addr)));
Ariel Eliord16132c2013-01-01 05:22:42 +00001403 bnx2x_panic();
1404 return 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001405 }
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001406 /* Zero completion for next FLR */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001407 REG_WR(bp, comp_addr, 0);
1408
1409 return ret;
1410}
1411
Ariel Eliorb56e9672013-01-01 05:22:32 +00001412u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001413{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001414 u16 status;
1415
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001416 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001417 return status & PCI_EXP_DEVSTA_TRPND;
1418}
1419
1420/* PF FLR specific routines
1421*/
1422static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1423{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001424 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1425 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1426 CFC_REG_NUM_LCIDS_INSIDE_PF,
1427 "CFC PF usage counter timed out",
1428 poll_cnt))
1429 return 1;
1430
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001431 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1432 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1433 DORQ_REG_PF_USAGE_CNT,
1434 "DQ PF usage counter timed out",
1435 poll_cnt))
1436 return 1;
1437
1438 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1439 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1440 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1441 "QM PF usage counter timed out",
1442 poll_cnt))
1443 return 1;
1444
1445 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1446 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1447 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1448 "Timers VNIC usage counter timed out",
1449 poll_cnt))
1450 return 1;
1451 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1452 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1453 "Timers NUM_SCANS usage counter timed out",
1454 poll_cnt))
1455 return 1;
1456
1457 /* Wait DMAE PF usage counter to zero */
1458 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1459 dmae_reg_go_c[INIT_DMAE_C(bp)],
Yuval Mintz6bf07b82013-06-02 00:06:20 +00001460 "DMAE command register timed out",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001461 poll_cnt))
1462 return 1;
1463
1464 return 0;
1465}
1466
1467static void bnx2x_hw_enable_status(struct bnx2x *bp)
1468{
1469 u32 val;
1470
1471 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1472 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1473
1474 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1475 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1476
1477 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1478 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1479
1480 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1481 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1482
1483 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1484 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1485
1486 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1487 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1488
1489 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1490 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1491
1492 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1493 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1494 val);
1495}
1496
1497static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1498{
1499 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1500
1501 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1502
1503 /* Re-enable PF target read access */
1504 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1505
1506 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001507 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001508 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1509 return -EBUSY;
1510
1511 /* Zero the igu 'trailing edge' and 'leading edge' */
1512
1513 /* Send the FW cleanup command */
1514 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1515 return -EBUSY;
1516
1517 /* ATC cleanup */
1518
1519 /* Verify TX hw is flushed */
1520 bnx2x_tx_hw_flushed(bp, poll_cnt);
1521
1522 /* Wait 100ms (not adjusted according to platform) */
1523 msleep(100);
1524
1525 /* Verify no pending pci transactions */
1526 if (bnx2x_is_pcie_pending(bp->pdev))
1527 BNX2X_ERR("PCIE Transactions still pending\n");
1528
1529 /* Debug */
1530 bnx2x_hw_enable_status(bp);
1531
1532 /*
1533 * Master enable - Due to WB DMAE writes performed before this
1534 * register is re-initialized as part of the regular function init
1535 */
1536 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1537
1538 return 0;
1539}
1540
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001541static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001542{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001543 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001544 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1545 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001546 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1547 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1548 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001549
1550 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001551 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1552 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001553 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1554 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001555 if (single_msix)
1556 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001557 } else if (msi) {
1558 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1559 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1560 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1561 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001562 } else {
1563 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001564 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001565 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1566 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001567
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001568 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001569 DP(NETIF_MSG_IFUP,
1570 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001571
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001572 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001573
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001574 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1575 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001576 }
1577
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001578 if (CHIP_IS_E1(bp))
1579 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1580
Merav Sicron51c1a582012-03-18 10:33:38 +00001581 DP(NETIF_MSG_IFUP,
1582 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1583 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001584
1585 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001586 /*
1587 * Ensure that HC_CONFIG is written before leading/trailing edge config
1588 */
1589 mmiowb();
1590 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001591
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001592 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001593 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001594 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001595 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001596 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001597 /* enable nig and gpio3 attention */
1598 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001599 } else
1600 val = 0xffff;
1601
1602 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1603 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1604 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001605
1606 /* Make sure that interrupts are indeed enabled from here on */
1607 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001608}
1609
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001610static void bnx2x_igu_int_enable(struct bnx2x *bp)
1611{
1612 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001613 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1614 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1615 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001616
1617 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1618
1619 if (msix) {
1620 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1621 IGU_PF_CONF_SINGLE_ISR_EN);
Yuval Mintzebe61d82013-01-14 05:11:48 +00001622 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001623 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001624
1625 if (single_msix)
1626 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001627 } else if (msi) {
1628 val &= ~IGU_PF_CONF_INT_LINE_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001629 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001630 IGU_PF_CONF_ATTN_BIT_EN |
1631 IGU_PF_CONF_SINGLE_ISR_EN);
1632 } else {
1633 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001634 val |= (IGU_PF_CONF_INT_LINE_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001635 IGU_PF_CONF_ATTN_BIT_EN |
1636 IGU_PF_CONF_SINGLE_ISR_EN);
1637 }
1638
Yuval Mintzebe61d82013-01-14 05:11:48 +00001639 /* Clean previous status - need to configure igu prior to ack*/
1640 if ((!msix) || single_msix) {
1641 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1642 bnx2x_ack_int(bp);
1643 }
1644
1645 val |= IGU_PF_CONF_FUNC_EN;
1646
Merav Sicron51c1a582012-03-18 10:33:38 +00001647 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001648 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1649
1650 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1651
Yuval Mintz79a85572012-04-03 18:41:25 +00001652 if (val & IGU_PF_CONF_INT_LINE_EN)
1653 pci_intx(bp->pdev, true);
1654
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001655 barrier();
1656
1657 /* init leading/trailing edge */
1658 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001659 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001660 if (bp->port.pmf)
1661 /* enable nig and gpio3 attention */
1662 val |= 0x1100;
1663 } else
1664 val = 0xffff;
1665
1666 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1667 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1668
1669 /* Make sure that interrupts are indeed enabled from here on */
1670 mmiowb();
1671}
1672
1673void bnx2x_int_enable(struct bnx2x *bp)
1674{
1675 if (bp->common.int_block == INT_BLOCK_HC)
1676 bnx2x_hc_int_enable(bp);
1677 else
1678 bnx2x_igu_int_enable(bp);
1679}
1680
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001681void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001682{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001683 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001684 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001685
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001686 if (disable_hw)
1687 /* prevent the HW from sending interrupts */
1688 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001689
1690 /* make sure all ISRs are done */
1691 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001692 synchronize_irq(bp->msix_table[0].vector);
1693 offset = 1;
Merav Sicron55c11942012-11-07 00:45:48 +00001694 if (CNIC_SUPPORT(bp))
1695 offset++;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001696 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001697 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001698 } else
1699 synchronize_irq(bp->pdev->irq);
1700
1701 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001702 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001703 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001704 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001705}
1706
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001707/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001708
1709/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001710 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001711 */
1712
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001713/* Return true if succeeded to acquire the lock */
1714static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1715{
1716 u32 lock_status;
1717 u32 resource_bit = (1 << resource);
1718 int func = BP_FUNC(bp);
1719 u32 hw_lock_control_reg;
1720
Merav Sicron51c1a582012-03-18 10:33:38 +00001721 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1722 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001723
1724 /* Validating that the resource is within range */
1725 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001726 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001727 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1728 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001729 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001730 }
1731
1732 if (func <= 5)
1733 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1734 else
1735 hw_lock_control_reg =
1736 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1737
1738 /* Try to acquire the lock */
1739 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1740 lock_status = REG_RD(bp, hw_lock_control_reg);
1741 if (lock_status & resource_bit)
1742 return true;
1743
Merav Sicron51c1a582012-03-18 10:33:38 +00001744 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1745 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001746 return false;
1747}
1748
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001749/**
1750 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1751 *
1752 * @bp: driver handle
1753 *
1754 * Returns the recovery leader resource id according to the engine this function
1755 * belongs to. Currently only only 2 engines is supported.
1756 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001757static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001758{
1759 if (BP_PATH(bp))
1760 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1761 else
1762 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1763}
1764
1765/**
Yuval Mintz2de67432013-01-23 03:21:43 +00001766 * bnx2x_trylock_leader_lock- try to acquire a leader lock.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001767 *
1768 * @bp: driver handle
1769 *
Yuval Mintz2de67432013-01-23 03:21:43 +00001770 * Tries to acquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001771 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001772static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001773{
1774 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1775}
1776
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001777static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Merav Sicron55c11942012-11-07 00:45:48 +00001778
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001779/* schedule the sp task and mark that interrupt occurred (runs from ISR) */
1780static int bnx2x_schedule_sp_task(struct bnx2x *bp)
1781{
1782 /* Set the interrupt occurred bit for the sp-task to recognize it
1783 * must ack the interrupt and transition according to the IGU
1784 * state machine.
1785 */
1786 atomic_set(&bp->interrupt_occurred, 1);
1787
1788 /* The sp_task must execute only after this bit
1789 * is set, otherwise we will get out of sync and miss all
1790 * further interrupts. Hence, the barrier.
1791 */
1792 smp_wmb();
1793
1794 /* schedule sp_task to workqueue */
1795 return queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1796}
Eilon Greenstein3196a882008-08-13 15:58:49 -07001797
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001798void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001799{
1800 struct bnx2x *bp = fp->bp;
1801 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1802 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001803 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001804 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001805
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001806 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001807 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001808 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001809 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001810
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001811 /* If cid is within VF range, replace the slowpath object with the
1812 * one corresponding to this VF
1813 */
1814 if (cid >= BNX2X_FIRST_VF_CID &&
1815 cid < BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)
1816 bnx2x_iov_set_queue_sp_obj(bp, cid, &q_obj);
1817
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001818 switch (command) {
1819 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001820 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001821 drv_cmd = BNX2X_Q_CMD_UPDATE;
1822 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001823
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001824 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001825 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001826 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001827 break;
1828
Ariel Elior6383c0b2011-07-14 08:31:57 +00001829 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001830 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001831 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1832 break;
1833
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001834 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001835 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001836 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001837 break;
1838
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001839 case (RAMROD_CMD_ID_ETH_TERMINATE):
Yuval Mintz6bf07b82013-06-02 00:06:20 +00001840 DP(BNX2X_MSG_SP, "got MULTI[%d] terminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001841 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1842 break;
1843
1844 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001845 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001846 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001847 break;
1848
Michal Kalderon14a94eb2014-02-12 18:19:53 +02001849 case (RAMROD_CMD_ID_ETH_TPA_UPDATE):
1850 DP(BNX2X_MSG_SP, "got tpa update ramrod CID=%d\n", cid);
1851 drv_cmd = BNX2X_Q_CMD_UPDATE_TPA;
1852 break;
1853
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001854 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001855 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1856 command, fp->index);
1857 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001858 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001859
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001860 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1861 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1862 /* q_obj->complete_cmd() failure means that this was
1863 * an unexpected completion.
1864 *
1865 * In this case we don't want to increase the bp->spq_left
1866 * because apparently we haven't sent this command the first
1867 * place.
1868 */
1869#ifdef BNX2X_STOP_ON_ERROR
1870 bnx2x_panic();
1871#else
1872 return;
1873#endif
1874
Peter Zijlstra4e857c52014-03-17 18:06:10 +01001875 smp_mb__before_atomic();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001876 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001877 /* push the change in bp->spq_left and towards the memory */
Peter Zijlstra4e857c52014-03-17 18:06:10 +01001878 smp_mb__after_atomic();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001879
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001880 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1881
Barak Witkowskia3348722012-04-23 03:04:46 +00001882 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1883 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1884 /* if Q update ramrod is completed for last Q in AFEX vif set
1885 * flow, then ACK MCP at the end
1886 *
1887 * mark pending ACK to MCP bit.
1888 * prevent case that both bits are cleared.
1889 * At the end of load/unload driver checks that
Yuval Mintz2de67432013-01-23 03:21:43 +00001890 * sp_state is cleared, and this order prevents
Barak Witkowskia3348722012-04-23 03:04:46 +00001891 * races
1892 */
Peter Zijlstra4e857c52014-03-17 18:06:10 +01001893 smp_mb__before_atomic();
Barak Witkowskia3348722012-04-23 03:04:46 +00001894 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1895 wmb();
1896 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
Peter Zijlstra4e857c52014-03-17 18:06:10 +01001897 smp_mb__after_atomic();
Barak Witkowskia3348722012-04-23 03:04:46 +00001898
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001899 /* schedule the sp task as mcp ack is required */
1900 bnx2x_schedule_sp_task(bp);
Barak Witkowskia3348722012-04-23 03:04:46 +00001901 }
1902
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001903 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001904}
1905
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001906irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001907{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001908 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001909 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001910 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001911 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001912 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001913
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001914 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001915 if (unlikely(status == 0)) {
1916 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1917 return IRQ_NONE;
1918 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001919 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001920
Eilon Greenstein3196a882008-08-13 15:58:49 -07001921#ifdef BNX2X_STOP_ON_ERROR
1922 if (unlikely(bp->panic))
1923 return IRQ_HANDLED;
1924#endif
1925
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001926 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001927 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001928
Merav Sicron55c11942012-11-07 00:45:48 +00001929 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
Eilon Greensteinca003922009-08-12 22:53:28 -07001930 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001931 /* Handle Rx or Tx according to SB id */
Ariel Elior6383c0b2011-07-14 08:31:57 +00001932 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001933 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001934 prefetch(&fp->sb_running_index[SM_RX_ID]);
Eric Dumazetf5fbf112014-10-29 17:07:50 -07001935 napi_schedule_irqoff(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001936 status &= ~mask;
1937 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001938 }
1939
Merav Sicron55c11942012-11-07 00:45:48 +00001940 if (CNIC_SUPPORT(bp)) {
1941 mask = 0x2;
1942 if (status & (mask | 0x1)) {
1943 struct cnic_ops *c_ops = NULL;
Michael Chan993ac7b2009-10-10 13:46:56 +00001944
Michael Chanad9b4352013-01-23 03:21:52 +00001945 rcu_read_lock();
1946 c_ops = rcu_dereference(bp->cnic_ops);
1947 if (c_ops && (bp->cnic_eth_dev.drv_state &
1948 CNIC_DRV_STATE_HANDLES_IRQ))
1949 c_ops->cnic_handler(bp->cnic_data, NULL);
1950 rcu_read_unlock();
Merav Sicron55c11942012-11-07 00:45:48 +00001951
1952 status &= ~mask;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001953 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001954 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001956 if (unlikely(status & 0x1)) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001957
1958 /* schedule sp task to perform default status block work, ack
1959 * attentions and enable interrupts.
1960 */
1961 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001962
1963 status &= ~0x1;
1964 if (!status)
1965 return IRQ_HANDLED;
1966 }
1967
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001968 if (unlikely(status))
1969 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001970 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001971
1972 return IRQ_HANDLED;
1973}
1974
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001975/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001976
1977/*
1978 * General service functions
1979 */
1980
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001981int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001982{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001983 u32 lock_status;
1984 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001985 int func = BP_FUNC(bp);
1986 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001987 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001988
1989 /* Validating that the resource is within range */
1990 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001991 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001992 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1993 return -EINVAL;
1994 }
1995
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001996 if (func <= 5) {
1997 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1998 } else {
1999 hw_lock_control_reg =
2000 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
2001 }
2002
Eliezer Tamirf1410642008-02-28 11:51:50 -08002003 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002004 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002005 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00002006 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002007 lock_status, resource_bit);
2008 return -EEXIST;
2009 }
2010
Eilon Greenstein46230476b2008-08-25 15:23:30 -07002011 /* Try for 5 second every 5ms */
2012 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08002013 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002014 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
2015 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002016 if (lock_status & resource_bit)
2017 return 0;
2018
Yuval Mintz639d65b2013-06-02 00:06:21 +00002019 usleep_range(5000, 10000);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002020 }
Merav Sicron51c1a582012-03-18 10:33:38 +00002021 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08002022 return -EAGAIN;
2023}
2024
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00002025int bnx2x_release_leader_lock(struct bnx2x *bp)
2026{
2027 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
2028}
2029
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002030int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002031{
2032 u32 lock_status;
2033 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002034 int func = BP_FUNC(bp);
2035 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002036
2037 /* Validating that the resource is within range */
2038 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00002039 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002040 resource, HW_LOCK_MAX_RESOURCE_VALUE);
2041 return -EINVAL;
2042 }
2043
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002044 if (func <= 5) {
2045 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
2046 } else {
2047 hw_lock_control_reg =
2048 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
2049 }
2050
Eliezer Tamirf1410642008-02-28 11:51:50 -08002051 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002052 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002053 if (!(lock_status & resource_bit)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +00002054 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. Unlock was called but lock wasn't taken!\n",
2055 lock_status, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002056 return -EFAULT;
2057 }
2058
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002059 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002060 return 0;
2061}
2062
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002063int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
2064{
2065 /* The GPIO should be swapped if swap register is set and active */
2066 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2067 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2068 int gpio_shift = gpio_num +
2069 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2070 u32 gpio_mask = (1 << gpio_shift);
2071 u32 gpio_reg;
2072 int value;
2073
2074 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2075 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2076 return -EINVAL;
2077 }
2078
2079 /* read GPIO value */
2080 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2081
2082 /* get the requested pin value */
2083 if ((gpio_reg & gpio_mask) == gpio_mask)
2084 value = 1;
2085 else
2086 value = 0;
2087
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002088 return value;
2089}
2090
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002091int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002092{
2093 /* The GPIO should be swapped if swap register is set and active */
2094 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002095 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002096 int gpio_shift = gpio_num +
2097 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2098 u32 gpio_mask = (1 << gpio_shift);
2099 u32 gpio_reg;
2100
2101 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2102 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2103 return -EINVAL;
2104 }
2105
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002106 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002107 /* read GPIO and mask except the float bits */
2108 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
2109
2110 switch (mode) {
2111 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002112 DP(NETIF_MSG_LINK,
2113 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002114 gpio_num, gpio_shift);
2115 /* clear FLOAT and set CLR */
2116 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2117 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
2118 break;
2119
2120 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002121 DP(NETIF_MSG_LINK,
2122 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002123 gpio_num, gpio_shift);
2124 /* clear FLOAT and set SET */
2125 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2126 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
2127 break;
2128
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002129 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002130 DP(NETIF_MSG_LINK,
2131 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002132 gpio_num, gpio_shift);
2133 /* set FLOAT */
2134 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2135 break;
2136
2137 default:
2138 break;
2139 }
2140
2141 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002142 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002143
2144 return 0;
2145}
2146
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00002147int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
2148{
2149 u32 gpio_reg = 0;
2150 int rc = 0;
2151
2152 /* Any port swapping should be handled by caller. */
2153
2154 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2155 /* read GPIO and mask except the float bits */
2156 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2157 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2158 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2159 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2160
2161 switch (mode) {
2162 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2163 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2164 /* set CLR */
2165 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2166 break;
2167
2168 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2169 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2170 /* set SET */
2171 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2172 break;
2173
2174 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2175 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2176 /* set FLOAT */
2177 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2178 break;
2179
2180 default:
2181 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2182 rc = -EINVAL;
2183 break;
2184 }
2185
2186 if (rc == 0)
2187 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2188
2189 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2190
2191 return rc;
2192}
2193
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002194int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2195{
2196 /* The GPIO should be swapped if swap register is set and active */
2197 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2198 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2199 int gpio_shift = gpio_num +
2200 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2201 u32 gpio_mask = (1 << gpio_shift);
2202 u32 gpio_reg;
2203
2204 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2205 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2206 return -EINVAL;
2207 }
2208
2209 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2210 /* read GPIO int */
2211 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2212
2213 switch (mode) {
2214 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002215 DP(NETIF_MSG_LINK,
2216 "Clear GPIO INT %d (shift %d) -> output low\n",
2217 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002218 /* clear SET and set CLR */
2219 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2220 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2221 break;
2222
2223 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002224 DP(NETIF_MSG_LINK,
2225 "Set GPIO INT %d (shift %d) -> output high\n",
2226 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002227 /* clear CLR and set SET */
2228 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2229 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2230 break;
2231
2232 default:
2233 break;
2234 }
2235
2236 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2237 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2238
2239 return 0;
2240}
2241
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002242static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002243{
Eliezer Tamirf1410642008-02-28 11:51:50 -08002244 u32 spio_reg;
2245
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002246 /* Only 2 SPIOs are configurable */
2247 if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2248 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002249 return -EINVAL;
2250 }
2251
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002252 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002253 /* read SPIO and mask except the float bits */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002254 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002255
2256 switch (mode) {
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002257 case MISC_SPIO_OUTPUT_LOW:
2258 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002259 /* clear FLOAT and set CLR */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002260 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2261 spio_reg |= (spio << MISC_SPIO_CLR_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002262 break;
2263
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002264 case MISC_SPIO_OUTPUT_HIGH:
2265 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002266 /* clear FLOAT and set SET */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002267 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2268 spio_reg |= (spio << MISC_SPIO_SET_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002269 break;
2270
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002271 case MISC_SPIO_INPUT_HI_Z:
2272 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002273 /* set FLOAT */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002274 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002275 break;
2276
2277 default:
2278 break;
2279 }
2280
2281 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002282 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002283
2284 return 0;
2285}
2286
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002287void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002288{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002289 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Yuval Mintz1359d732015-06-25 15:19:21 +03002290
2291 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
2292 ADVERTISED_Pause);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002293 switch (bp->link_vars.ieee_fc &
2294 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002295 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002296 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002297 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002298 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002299
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002300 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002301 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002302 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002303
Eliezer Tamirf1410642008-02-28 11:51:50 -08002304 default:
2305 break;
2306 }
2307}
2308
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002309static void bnx2x_set_requested_fc(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002310{
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002311 /* Initialize link parameters structure variables
2312 * It is recommended to turn off RX FC for jumbo frames
2313 * for better performance
2314 */
2315 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
2316 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
2317 else
2318 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
2319}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002320
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002321static void bnx2x_init_dropless_fc(struct bnx2x *bp)
2322{
2323 u32 pause_enabled = 0;
2324
2325 if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) {
2326 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2327 pause_enabled = 1;
2328
2329 REG_WR(bp, BAR_USTRORM_INTMEM +
2330 USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)),
2331 pause_enabled);
2332 }
2333
2334 DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n",
2335 pause_enabled ? "enabled" : "disabled");
2336}
2337
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002338int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
2339{
2340 int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
2341 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
2342
2343 if (!BP_NOMCP(bp)) {
2344 bnx2x_set_requested_fc(bp);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002345 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002346
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002347 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002348 struct link_params *lp = &bp->link_params;
2349 lp->loopback_mode = LOOPBACK_XGXS;
2350 /* do PHY loopback at 10G speed, if possible */
2351 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2352 if (lp->speed_cap_mask[cfx_idx] &
2353 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2354 lp->req_line_speed[cfx_idx] =
2355 SPEED_10000;
2356 else
2357 lp->req_line_speed[cfx_idx] =
2358 SPEED_1000;
2359 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002360 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002361
Merav Sicron8970b2e2012-06-19 07:48:22 +00002362 if (load_mode == LOAD_LOOPBACK_EXT) {
2363 struct link_params *lp = &bp->link_params;
2364 lp->loopback_mode = LOOPBACK_EXT;
2365 }
2366
Eilon Greenstein19680c42008-08-13 15:47:33 -07002367 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002368
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002369 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002370
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002371 bnx2x_init_dropless_fc(bp);
2372
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002373 bnx2x_calc_fc_adv(bp);
2374
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002375 if (bp->link_vars.link_up) {
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002376 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002377 bnx2x_link_report(bp);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002378 }
2379 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002380 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002381 return rc;
2382 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002383 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002384 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002385}
2386
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002387void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002388{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002389 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002390 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002391 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002392 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002393
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002394 bnx2x_init_dropless_fc(bp);
2395
Eilon Greenstein19680c42008-08-13 15:47:33 -07002396 bnx2x_calc_fc_adv(bp);
2397 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002398 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002399}
2400
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002401static void bnx2x__link_reset(struct bnx2x *bp)
2402{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002403 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002404 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002405 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002406 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002407 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002408 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002409}
2410
Yuval Mintz5d07d862012-09-13 02:56:21 +00002411void bnx2x_force_link_reset(struct bnx2x *bp)
2412{
2413 bnx2x_acquire_phy_lock(bp);
2414 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2415 bnx2x_release_phy_lock(bp);
2416}
2417
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002418u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002419{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002420 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002421
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002422 if (!BP_NOMCP(bp)) {
2423 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002424 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2425 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002426 bnx2x_release_phy_lock(bp);
2427 } else
2428 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002429
2430 return rc;
2431}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002432
Eilon Greenstein2691d512009-08-12 08:22:08 +00002433/* Calculates the sum of vn_min_rates.
2434 It's needed for further normalizing of the min_rates.
2435 Returns:
2436 sum of vn_min_rates.
2437 or
2438 0 - if all the min_rates are 0.
Yuval Mintz16a5fd92013-06-02 00:06:18 +00002439 In the later case fairness algorithm should be deactivated.
Eilon Greenstein2691d512009-08-12 08:22:08 +00002440 If not all min_rates are zero then those that are zeroes will be set to 1.
2441 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002442static void bnx2x_calc_vn_min(struct bnx2x *bp,
2443 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002444{
2445 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002446 int vn;
2447
David S. Miller8decf862011-09-22 03:23:13 -04002448 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002449 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002450 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2451 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2452
2453 /* Skip hidden vns */
2454 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002455 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002456 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002457 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002458 vn_min_rate = DEF_MIN_RATE;
2459 else
2460 all_zero = 0;
2461
Yuval Mintzb475d782012-04-03 18:41:29 +00002462 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002463 }
2464
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002465 /* if ETS or all min rates are zeros - disable fairness */
2466 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002467 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002468 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2469 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2470 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002471 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002472 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002473 DP(NETIF_MSG_IFUP,
2474 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002475 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002476 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002477 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002478}
2479
Yuval Mintzb475d782012-04-03 18:41:29 +00002480static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2481 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002482{
Yuval Mintzb475d782012-04-03 18:41:29 +00002483 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002484 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002485
Yuval Mintzb475d782012-04-03 18:41:29 +00002486 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002487 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002488 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002489 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2490
Yuval Mintzb475d782012-04-03 18:41:29 +00002491 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002492 /* maxCfg in percents of linkspeed */
2493 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002494 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002495 /* maxCfg is absolute in 100Mb units */
2496 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002497 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002498
Yuval Mintzb475d782012-04-03 18:41:29 +00002499 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002500
Yuval Mintzb475d782012-04-03 18:41:29 +00002501 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002502}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002504static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2505{
2506 if (CHIP_REV_IS_SLOW(bp))
2507 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002508 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002509 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002510
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002511 return CMNG_FNS_NONE;
2512}
2513
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002514void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002515{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002516 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002517
2518 if (BP_NOMCP(bp))
Yuval Mintz16a5fd92013-06-02 00:06:18 +00002519 return; /* what should be the default value in this case */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002520
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002521 /* For 2 port configuration the absolute function number formula
2522 * is:
2523 * abs_func = 2 * vn + BP_PORT + BP_PATH
2524 *
2525 * and there are 4 functions per port
2526 *
2527 * For 4 port configuration it is
2528 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2529 *
2530 * and there are 2 functions per port
2531 */
David S. Miller8decf862011-09-22 03:23:13 -04002532 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002533 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2534
2535 if (func >= E1H_FUNC_MAX)
2536 break;
2537
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002538 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002539 MF_CFG_RD(bp, func_mf_config[func].config);
2540 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002541 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2542 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2543 bp->flags |= MF_FUNC_DIS;
2544 } else {
2545 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2546 bp->flags &= ~MF_FUNC_DIS;
2547 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002548}
2549
2550static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2551{
Yuval Mintzb475d782012-04-03 18:41:29 +00002552 struct cmng_init_input input;
2553 memset(&input, 0, sizeof(struct cmng_init_input));
2554
2555 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002557 if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002558 int vn;
2559
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002560 /* read mf conf from shmem */
2561 if (read_cfg)
2562 bnx2x_read_mf_cfg(bp);
2563
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002564 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002565 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002566
2567 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002568 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002569 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002570 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002571
2572 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002573 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002574 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002575
2576 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002577 return;
2578 }
2579
2580 /* rate shaping and fairness are disabled */
2581 DP(NETIF_MSG_IFUP,
2582 "rate shaping and fairness are disabled\n");
2583}
2584
Eric Dumazet1191cb82012-04-27 21:39:21 +00002585static void storm_memset_cmng(struct bnx2x *bp,
2586 struct cmng_init *cmng,
2587 u8 port)
2588{
2589 int vn;
2590 size_t size = sizeof(struct cmng_struct_per_port);
2591
2592 u32 addr = BAR_XSTRORM_INTMEM +
2593 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2594
2595 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2596
2597 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2598 int func = func_by_vn(bp, vn);
2599
2600 addr = BAR_XSTRORM_INTMEM +
2601 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2602 size = sizeof(struct rate_shaping_vars_per_vn);
2603 __storm_memset_struct(bp, addr, size,
2604 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2605
2606 addr = BAR_XSTRORM_INTMEM +
2607 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2608 size = sizeof(struct fairness_vars_per_vn);
2609 __storm_memset_struct(bp, addr, size,
2610 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2611 }
2612}
2613
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002614/* init cmng mode in HW according to local configuration */
2615void bnx2x_set_local_cmng(struct bnx2x *bp)
2616{
2617 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2618
2619 if (cmng_fns != CMNG_FNS_NONE) {
2620 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2621 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2622 } else {
2623 /* rate shaping and fairness are disabled */
2624 DP(NETIF_MSG_IFUP,
2625 "single function mode without fairness\n");
2626 }
2627}
2628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002629/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002630static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002631{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002632 /* Make sure that we are synced with the current statistics */
2633 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2634
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002635 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002636
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002637 bnx2x_init_dropless_fc(bp);
2638
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002639 if (bp->link_vars.link_up) {
2640
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002641 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002642 struct host_port_stats *pstats;
2643
2644 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002645 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002646 memset(&(pstats->mac_stx[0]), 0,
2647 sizeof(struct mac_stx));
2648 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002649 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002650 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2651 }
2652
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002653 if (bp->link_vars.link_up && bp->link_vars.line_speed)
2654 bnx2x_set_local_cmng(bp);
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002655
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002656 __bnx2x_link_report(bp);
2657
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002658 if (IS_MF(bp))
2659 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002660}
2661
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002662void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002663{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002664 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002665 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002666
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002667 /* read updated dcb configuration */
Ariel Eliorad5afc82013-01-01 05:22:26 +00002668 if (IS_PF(bp)) {
2669 bnx2x_dcbx_pmf_update(bp);
2670 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2671 if (bp->link_vars.link_up)
2672 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2673 else
2674 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2675 /* indicate link status */
2676 bnx2x_link_report(bp);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002677
Ariel Eliorad5afc82013-01-01 05:22:26 +00002678 } else { /* VF */
2679 bp->port.supported[0] |= (SUPPORTED_10baseT_Half |
2680 SUPPORTED_10baseT_Full |
2681 SUPPORTED_100baseT_Half |
2682 SUPPORTED_100baseT_Full |
2683 SUPPORTED_1000baseT_Full |
2684 SUPPORTED_2500baseX_Full |
2685 SUPPORTED_10000baseT_Full |
2686 SUPPORTED_TP |
2687 SUPPORTED_FIBRE |
2688 SUPPORTED_Autoneg |
2689 SUPPORTED_Pause |
2690 SUPPORTED_Asym_Pause);
2691 bp->port.advertising[0] = bp->port.supported[0];
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002692
Ariel Eliorad5afc82013-01-01 05:22:26 +00002693 bp->link_params.bp = bp;
2694 bp->link_params.port = BP_PORT(bp);
2695 bp->link_params.req_duplex[0] = DUPLEX_FULL;
2696 bp->link_params.req_flow_ctrl[0] = BNX2X_FLOW_CTRL_NONE;
2697 bp->link_params.req_line_speed[0] = SPEED_10000;
2698 bp->link_params.speed_cap_mask[0] = 0x7f0000;
2699 bp->link_params.switch_cfg = SWITCH_CFG_10G;
2700 bp->link_vars.mac_type = MAC_TYPE_BMAC;
2701 bp->link_vars.line_speed = SPEED_10000;
2702 bp->link_vars.link_status =
2703 (LINK_STATUS_LINK_UP |
2704 LINK_STATUS_SPEED_AND_DUPLEX_10GTFD);
2705 bp->link_vars.link_up = 1;
2706 bp->link_vars.duplex = DUPLEX_FULL;
2707 bp->link_vars.flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2708 __bnx2x_link_report(bp);
Dmitry Kravkov6495d152014-06-26 14:31:04 +03002709
2710 bnx2x_sample_bulletin(bp);
2711
2712 /* if bulletin board did not have an update for link status
2713 * __bnx2x_link_report will report current status
2714 * but it will NOT duplicate report in case of already reported
2715 * during sampling bulletin board.
2716 */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002717 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Ariel Eliorad5afc82013-01-01 05:22:26 +00002718 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002719}
2720
Barak Witkowskia3348722012-04-23 03:04:46 +00002721static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2722 u16 vlan_val, u8 allowed_prio)
2723{
Yuval Mintz86564c32013-01-23 03:21:50 +00002724 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002725 struct bnx2x_func_afex_update_params *f_update_params =
2726 &func_params.params.afex_update;
2727
2728 func_params.f_obj = &bp->func_obj;
2729 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2730
2731 /* no need to wait for RAMROD completion, so don't
2732 * set RAMROD_COMP_WAIT flag
2733 */
2734
2735 f_update_params->vif_id = vifid;
2736 f_update_params->afex_default_vlan = vlan_val;
2737 f_update_params->allowed_priorities = allowed_prio;
2738
2739 /* if ramrod can not be sent, response to MCP immediately */
2740 if (bnx2x_func_state_change(bp, &func_params) < 0)
2741 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2742
2743 return 0;
2744}
2745
2746static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2747 u16 vif_index, u8 func_bit_map)
2748{
Yuval Mintz86564c32013-01-23 03:21:50 +00002749 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002750 struct bnx2x_func_afex_viflists_params *update_params =
2751 &func_params.params.afex_viflists;
2752 int rc;
2753 u32 drv_msg_code;
2754
2755 /* validate only LIST_SET and LIST_GET are received from switch */
2756 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2757 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2758 cmd_type);
2759
2760 func_params.f_obj = &bp->func_obj;
2761 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2762
2763 /* set parameters according to cmd_type */
2764 update_params->afex_vif_list_command = cmd_type;
Yuval Mintz86564c32013-01-23 03:21:50 +00002765 update_params->vif_list_index = vif_index;
Barak Witkowskia3348722012-04-23 03:04:46 +00002766 update_params->func_bit_map =
2767 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2768 update_params->func_to_clear = 0;
2769 drv_msg_code =
2770 (cmd_type == VIF_LIST_RULE_GET) ?
2771 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2772 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2773
2774 /* if ramrod can not be sent, respond to MCP immediately for
2775 * SET and GET requests (other are not triggered from MCP)
2776 */
2777 rc = bnx2x_func_state_change(bp, &func_params);
2778 if (rc < 0)
2779 bnx2x_fw_command(bp, drv_msg_code, 0);
2780
2781 return 0;
2782}
2783
2784static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2785{
2786 struct afex_stats afex_stats;
2787 u32 func = BP_ABS_FUNC(bp);
2788 u32 mf_config;
2789 u16 vlan_val;
2790 u32 vlan_prio;
2791 u16 vif_id;
2792 u8 allowed_prio;
2793 u8 vlan_mode;
2794 u32 addr_to_write, vifid, addrs, stats_type, i;
2795
2796 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2797 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2798 DP(BNX2X_MSG_MCP,
2799 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2800 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2801 }
2802
2803 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2804 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2805 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2806 DP(BNX2X_MSG_MCP,
2807 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2808 vifid, addrs);
2809 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2810 addrs);
2811 }
2812
2813 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2814 addr_to_write = SHMEM2_RD(bp,
2815 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2816 stats_type = SHMEM2_RD(bp,
2817 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2818
2819 DP(BNX2X_MSG_MCP,
2820 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2821 addr_to_write);
2822
2823 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2824
2825 /* write response to scratchpad, for MCP */
2826 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2827 REG_WR(bp, addr_to_write + i*sizeof(u32),
2828 *(((u32 *)(&afex_stats))+i));
2829
2830 /* send ack message to MCP */
2831 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2832 }
2833
2834 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2835 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2836 bp->mf_config[BP_VN(bp)] = mf_config;
2837 DP(BNX2X_MSG_MCP,
2838 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2839 mf_config);
2840
2841 /* if VIF_SET is "enabled" */
2842 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2843 /* set rate limit directly to internal RAM */
2844 struct cmng_init_input cmng_input;
2845 struct rate_shaping_vars_per_vn m_rs_vn;
2846 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2847 u32 addr = BAR_XSTRORM_INTMEM +
2848 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2849
2850 bp->mf_config[BP_VN(bp)] = mf_config;
2851
2852 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2853 m_rs_vn.vn_counter.rate =
2854 cmng_input.vnic_max_rate[BP_VN(bp)];
2855 m_rs_vn.vn_counter.quota =
2856 (m_rs_vn.vn_counter.rate *
2857 RS_PERIODIC_TIMEOUT_USEC) / 8;
2858
2859 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2860
2861 /* read relevant values from mf_cfg struct in shmem */
2862 vif_id =
2863 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2864 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2865 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2866 vlan_val =
2867 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2868 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2869 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2870 vlan_prio = (mf_config &
2871 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2872 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2873 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2874 vlan_mode =
2875 (MF_CFG_RD(bp,
2876 func_mf_config[func].afex_config) &
2877 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2878 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2879 allowed_prio =
2880 (MF_CFG_RD(bp,
2881 func_mf_config[func].afex_config) &
2882 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2883 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2884
2885 /* send ramrod to FW, return in case of failure */
2886 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2887 allowed_prio))
2888 return;
2889
2890 bp->afex_def_vlan_tag = vlan_val;
2891 bp->afex_vlan_mode = vlan_mode;
2892 } else {
2893 /* notify link down because BP->flags is disabled */
2894 bnx2x_link_report(bp);
2895
2896 /* send INVALID VIF ramrod to FW */
2897 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2898
2899 /* Reset the default afex VLAN */
2900 bp->afex_def_vlan_tag = -1;
2901 }
2902 }
2903}
2904
Yuval Mintz76096472014-09-17 16:24:37 +03002905static void bnx2x_handle_update_svid_cmd(struct bnx2x *bp)
2906{
2907 struct bnx2x_func_switch_update_params *switch_update_params;
2908 struct bnx2x_func_state_params func_params;
2909
2910 memset(&func_params, 0, sizeof(struct bnx2x_func_state_params));
2911 switch_update_params = &func_params.params.switch_update;
2912 func_params.f_obj = &bp->func_obj;
2913 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
2914
2915 if (IS_MF_UFP(bp)) {
2916 int func = BP_ABS_FUNC(bp);
2917 u32 val;
2918
2919 /* Re-learn the S-tag from shmem */
2920 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2921 FUNC_MF_CFG_E1HOV_TAG_MASK;
2922 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
2923 bp->mf_ov = val;
2924 } else {
2925 BNX2X_ERR("Got an SVID event, but no tag is configured in shmem\n");
2926 goto fail;
2927 }
2928
2929 /* Configure new S-tag in LLH */
2930 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + BP_PORT(bp) * 8,
2931 bp->mf_ov);
2932
2933 /* Send Ramrod to update FW of change */
2934 __set_bit(BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
2935 &switch_update_params->changes);
2936 switch_update_params->vlan = bp->mf_ov;
2937
2938 if (bnx2x_func_state_change(bp, &func_params) < 0) {
2939 BNX2X_ERR("Failed to configure FW of S-tag Change to %02x\n",
2940 bp->mf_ov);
2941 goto fail;
2942 }
2943
2944 DP(BNX2X_MSG_MCP, "Configured S-tag %02x\n", bp->mf_ov);
2945
2946 bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_OK, 0);
2947
2948 return;
2949 }
2950
2951 /* not supported by SW yet */
2952fail:
2953 bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_FAILURE, 0);
2954}
2955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002956static void bnx2x_pmf_update(struct bnx2x *bp)
2957{
2958 int port = BP_PORT(bp);
2959 u32 val;
2960
2961 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002962 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002963
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002964 /*
2965 * We need the mb() to ensure the ordering between the writing to
2966 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2967 */
2968 smp_mb();
2969
2970 /* queue a periodic task */
2971 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2972
Dmitry Kravkovef018542011-06-14 01:33:57 +00002973 bnx2x_dcbx_pmf_update(bp);
2974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002975 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002976 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002977 if (bp->common.int_block == INT_BLOCK_HC) {
2978 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2979 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002980 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002981 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2982 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2983 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002984
2985 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002986}
2987
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002988/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002989
2990/* slow path */
2991
2992/*
2993 * General service functions
2994 */
2995
Eilon Greenstein2691d512009-08-12 08:22:08 +00002996/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002997u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002998{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002999 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00003000 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003001 u32 rc = 0;
3002 u32 cnt = 1;
3003 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
3004
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07003005 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00003006 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003007 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
3008 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
3009
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00003010 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
3011 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003012
3013 do {
3014 /* let the FW do it's magic ... */
3015 msleep(delay);
3016
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003017 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003018
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07003019 /* Give the FW up to 5 second (500*10ms) */
3020 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00003021
3022 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
3023 cnt*delay, rc, seq);
3024
3025 /* is this a reply to our command? */
3026 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
3027 rc &= FW_MSG_CODE_MASK;
3028 else {
3029 /* FW BUG! */
3030 BNX2X_ERR("FW failed to respond!\n");
3031 bnx2x_fw_dump(bp);
3032 rc = 0;
3033 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07003034 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003035
3036 return rc;
3037}
3038
Eric Dumazet1191cb82012-04-27 21:39:21 +00003039static void storm_memset_func_cfg(struct bnx2x *bp,
3040 struct tstorm_eth_function_common_config *tcfg,
3041 u16 abs_fid)
3042{
3043 size_t size = sizeof(struct tstorm_eth_function_common_config);
3044
3045 u32 addr = BAR_TSTRORM_INTMEM +
3046 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
3047
3048 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
3049}
3050
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003051void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003052{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003053 if (CHIP_IS_E1x(bp)) {
3054 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003055
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003056 storm_memset_func_cfg(bp, &tcfg, p->func_id);
3057 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003058
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003059 /* Enable the function in the FW */
3060 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
3061 storm_memset_func_en(bp, p->func_id, 1);
3062
3063 /* spq */
3064 if (p->func_flgs & FUNC_FLG_SPQ) {
3065 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
3066 REG_WR(bp, XSEM_REG_FAST_MEMORY +
3067 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
3068 }
3069}
3070
Ariel Elior6383c0b2011-07-14 08:31:57 +00003071/**
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003072 * bnx2x_get_common_flags - Return common flags
Ariel Elior6383c0b2011-07-14 08:31:57 +00003073 *
3074 * @bp device handle
3075 * @fp queue handle
3076 * @zero_stats TRUE if statistics zeroing is needed
3077 *
3078 * Return the flags that are common for the Tx-only and not normal connections.
3079 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003080static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
3081 struct bnx2x_fastpath *fp,
3082 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003083{
3084 unsigned long flags = 0;
3085
3086 /* PF driver will always initialize the Queue to an ACTIVE state */
3087 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
3088
Ariel Elior6383c0b2011-07-14 08:31:57 +00003089 /* tx only connections collect statistics (on the same index as the
Dmitry Kravkov91226792013-03-11 05:17:52 +00003090 * parent connection). The statistics are zeroed when the parent
3091 * connection is initialized.
Ariel Elior6383c0b2011-07-14 08:31:57 +00003092 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00003093
3094 __set_bit(BNX2X_Q_FLG_STATS, &flags);
3095 if (zero_stats)
3096 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
3097
Yuval Mintzc14db202014-01-12 14:37:59 +02003098 if (bp->flags & TX_SWITCHING)
3099 __set_bit(BNX2X_Q_FLG_TX_SWITCH, &flags);
3100
Dmitry Kravkov91226792013-03-11 05:17:52 +00003101 __set_bit(BNX2X_Q_FLG_PCSUM_ON_PKT, &flags);
Dmitry Kravkove287a752013-03-21 15:38:24 +00003102 __set_bit(BNX2X_Q_FLG_TUN_INC_INNER_IP_ID, &flags);
Ariel Elior6383c0b2011-07-14 08:31:57 +00003103
Yuval Mintz823e1d92013-01-14 05:11:47 +00003104#ifdef BNX2X_STOP_ON_ERROR
3105 __set_bit(BNX2X_Q_FLG_TX_SEC, &flags);
3106#endif
3107
Ariel Elior6383c0b2011-07-14 08:31:57 +00003108 return flags;
3109}
3110
Eric Dumazet1191cb82012-04-27 21:39:21 +00003111static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
3112 struct bnx2x_fastpath *fp,
3113 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00003114{
3115 unsigned long flags = 0;
3116
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003117 /* calculate other queue flags */
3118 if (IS_MF_SD(bp))
3119 __set_bit(BNX2X_Q_FLG_OV, &flags);
3120
Barak Witkowskia3348722012-04-23 03:04:46 +00003121 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003122 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00003123 /* For FCoE - force usage of default priority (for afex) */
3124 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
3125 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003126
Michal Schmidt7e6b4d42015-04-28 11:34:22 +02003127 if (fp->mode != TPA_MODE_DISABLED) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003128 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00003129 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00003130 if (fp->mode == TPA_MODE_GRO)
3131 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00003132 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003133
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003134 if (leading) {
3135 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
3136 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
3137 }
3138
3139 /* Always set HW VLAN stripping */
3140 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003141
Barak Witkowskia3348722012-04-23 03:04:46 +00003142 /* configure silent vlan removal */
3143 if (IS_MF_AFEX(bp))
3144 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
3145
Ariel Elior6383c0b2011-07-14 08:31:57 +00003146 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003147}
3148
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003149static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003150 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
3151 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003152{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003153 gen_init->stat_id = bnx2x_stats_id(fp);
3154 gen_init->spcl_id = fp->cl_id;
3155
3156 /* Always use mini-jumbo MTU for FCoE L2 ring */
3157 if (IS_FCOE_FP(fp))
3158 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
3159 else
3160 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003161
3162 gen_init->cos = cos;
Yuval Mintz02dc4022014-12-04 12:52:06 +02003163
3164 gen_init->fp_hsi = ETH_FP_HSI_VERSION;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003165}
3166
3167static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
3168 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
3169 struct bnx2x_rxq_setup_params *rxq_init)
3170{
3171 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003172 u16 sge_sz = 0;
3173 u16 tpa_agg_size = 0;
3174
Michal Schmidt7e6b4d42015-04-28 11:34:22 +02003175 if (fp->mode != TPA_MODE_DISABLED) {
David S. Miller8decf862011-09-22 03:23:13 -04003176 pause->sge_th_lo = SGE_TH_LO(bp);
3177 pause->sge_th_hi = SGE_TH_HI(bp);
3178
3179 /* validate SGE ring has enough to cross high threshold */
3180 WARN_ON(bp->dropless_fc &&
3181 pause->sge_th_hi + FW_PREFETCH_CNT >
3182 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
3183
Yuval Mintz924d75a2013-01-23 03:21:44 +00003184 tpa_agg_size = TPA_AGG_SIZE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003185 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
3186 SGE_PAGE_SHIFT;
3187 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
3188 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
Yuval Mintz924d75a2013-01-23 03:21:44 +00003189 sge_sz = (u16)min_t(u32, SGE_PAGES, 0xffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003190 }
3191
3192 /* pause - not for e1 */
3193 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04003194 pause->bd_th_lo = BD_TH_LO(bp);
3195 pause->bd_th_hi = BD_TH_HI(bp);
3196
3197 pause->rcq_th_lo = RCQ_TH_LO(bp);
3198 pause->rcq_th_hi = RCQ_TH_HI(bp);
3199 /*
3200 * validate that rings have enough entries to cross
3201 * high thresholds
3202 */
3203 WARN_ON(bp->dropless_fc &&
3204 pause->bd_th_hi + FW_PREFETCH_CNT >
3205 bp->rx_ring_size);
3206 WARN_ON(bp->dropless_fc &&
3207 pause->rcq_th_hi + FW_PREFETCH_CNT >
3208 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003209
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003210 pause->pri_map = 1;
3211 }
3212
3213 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003214 rxq_init->dscr_map = fp->rx_desc_mapping;
3215 rxq_init->sge_map = fp->rx_sge_mapping;
3216 rxq_init->rcq_map = fp->rx_comp_mapping;
3217 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003218
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003219 /* This should be a maximum number of data bytes that may be
3220 * placed on the BD (not including paddings).
3221 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00003222 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003223 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003224
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003225 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003226 rxq_init->tpa_agg_sz = tpa_agg_size;
3227 rxq_init->sge_buf_sz = sge_sz;
3228 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003229 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00003230 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003231
3232 /* Maximum number or simultaneous TPA aggregation for this Queue.
3233 *
Yuval Mintz2de67432013-01-23 03:21:43 +00003234 * For PF Clients it should be the maximum available number.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003235 * VF driver(s) may want to define it to a smaller value.
3236 */
David S. Miller8decf862011-09-22 03:23:13 -04003237 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003238
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003239 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
3240 rxq_init->fw_sb_id = fp->fw_sb_id;
3241
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003242 if (IS_FCOE_FP(fp))
3243 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
3244 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00003245 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00003246 /* configure silent vlan removal
3247 * if multi function mode is afex, then mask default vlan
3248 */
3249 if (IS_MF_AFEX(bp)) {
3250 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
3251 rxq_init->silent_removal_mask = VLAN_VID_MASK;
3252 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003253}
3254
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003255static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003256 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
3257 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003258{
Merav Sicron65565882012-06-19 07:48:26 +00003259 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003260 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003261 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
3262 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003263
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003264 /*
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003265 * set the tss leading client id for TX classification ==
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003266 * leading RSS client id
3267 */
3268 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
3269
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003270 if (IS_FCOE_FP(fp)) {
3271 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
3272 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
3273 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003274}
3275
stephen hemminger8d962862010-10-21 07:50:56 +00003276static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003277{
3278 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003279 struct event_ring_data eq_data = { {0} };
3280 u16 flags;
3281
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003282 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003283 /* reset IGU PF statistics: MSIX + ATTN */
3284 /* PF */
3285 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3286 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3287 (CHIP_MODE_IS_4_PORT(bp) ?
3288 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3289 /* ATTN */
3290 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3291 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3292 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
3293 (CHIP_MODE_IS_4_PORT(bp) ?
3294 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3295 }
3296
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003297 /* function setup flags */
3298 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
3299
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003300 /* This flag is relevant for E1x only.
3301 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003302 */
Michal Schmidtf8dcb5e2015-04-28 11:34:23 +02003303 flags |= (bp->dev->features & NETIF_F_LRO) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003304
3305 func_init.func_flgs = flags;
3306 func_init.pf_id = BP_FUNC(bp);
3307 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003308 func_init.spq_map = bp->spq_mapping;
3309 func_init.spq_prod = bp->spq_prod_idx;
3310
3311 bnx2x_func_init(bp, &func_init);
3312
3313 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3314
3315 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003316 * Congestion management values depend on the link rate
3317 * There is no active link so initial link rate is set to 10 Gbps.
3318 * When the link comes up The congestion management values are
3319 * re-calculated according to the actual link rate.
3320 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003321 bp->link_vars.line_speed = SPEED_10000;
3322 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3323
3324 /* Only the PMF sets the HW */
3325 if (bp->port.pmf)
3326 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3327
Yuval Mintz86564c32013-01-23 03:21:50 +00003328 /* init Event Queue - PCI bus guarantees correct endianity*/
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003329 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3330 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3331 eq_data.producer = bp->eq_prod;
3332 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3333 eq_data.sb_id = DEF_SB_ID;
3334 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3335}
3336
Eilon Greenstein2691d512009-08-12 08:22:08 +00003337static void bnx2x_e1h_disable(struct bnx2x *bp)
3338{
3339 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003340
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003341 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003342
3343 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003344}
3345
3346static void bnx2x_e1h_enable(struct bnx2x *bp)
3347{
3348 int port = BP_PORT(bp);
3349
Yuval Mintz76096472014-09-17 16:24:37 +03003350 if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
3351 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003352
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003353 /* Tx queue should be only re-enabled */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003354 netif_tx_wake_all_queues(bp->dev);
3355
Eilon Greenstein061bc702009-10-15 00:18:47 -07003356 /*
3357 * Should not call netif_carrier_on since it will be called if the link
3358 * is up when checking for link state
3359 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003360}
3361
Barak Witkowski1d187b32011-12-05 22:41:50 +00003362#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3363
3364static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3365{
3366 struct eth_stats_info *ether_stat =
3367 &bp->slowpath->drv_info_to_mcp.ether_stat;
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003368 struct bnx2x_vlan_mac_obj *mac_obj =
3369 &bp->sp_objs->mac_obj;
3370 int i;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003371
Dan Carpenter786fdf02012-10-02 01:47:46 +00003372 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3373 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003374
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003375 /* get DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED macs, placing them in the
3376 * mac_local field in ether_stat struct. The base address is offset by 2
3377 * bytes to account for the field being 8 bytes but a mac address is
3378 * only 6 bytes. Likewise, the stride for the get_n_elements function is
3379 * 2 bytes to compensate from the 6 bytes of a mac to the 8 bytes
3380 * allocated by the ether_stat struct, so the macs will land in their
3381 * proper positions.
3382 */
3383 for (i = 0; i < DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED; i++)
3384 memset(ether_stat->mac_local + i, 0,
3385 sizeof(ether_stat->mac_local[0]));
3386 mac_obj->get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3387 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3388 ether_stat->mac_local + MAC_PAD, MAC_PAD,
3389 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003390 ether_stat->mtu_size = bp->dev->mtu;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003391 if (bp->dev->features & NETIF_F_RXCSUM)
3392 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3393 if (bp->dev->features & NETIF_F_TSO)
3394 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3395 ether_stat->feature_flags |= bp->common.boot_mode;
3396
3397 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3398
3399 ether_stat->txq_size = bp->tx_ring_size;
3400 ether_stat->rxq_size = bp->rx_ring_size;
Yuval Mintz0c757de2013-12-26 09:57:11 +02003401
David S. Millerfcf93a02013-12-26 18:33:10 -05003402#ifdef CONFIG_BNX2X_SRIOV
Yuval Mintz0c757de2013-12-26 09:57:11 +02003403 ether_stat->vf_cnt = IS_SRIOV(bp) ? bp->vfdb->sriov.nr_virtfn : 0;
David S. Millerfcf93a02013-12-26 18:33:10 -05003404#endif
Barak Witkowski1d187b32011-12-05 22:41:50 +00003405}
3406
3407static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3408{
3409 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3410 struct fcoe_stats_info *fcoe_stat =
3411 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3412
Merav Sicron55c11942012-11-07 00:45:48 +00003413 if (!CNIC_LOADED(bp))
3414 return;
3415
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003416 memcpy(fcoe_stat->mac_local + MAC_PAD, bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003417
3418 fcoe_stat->qos_priority =
3419 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3420
3421 /* insert FCoE stats from ramrod response */
3422 if (!NO_FCOE(bp)) {
3423 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003424 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003425 tstorm_queue_statistics;
3426
3427 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003428 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003429 xstorm_queue_statistics;
3430
3431 struct fcoe_statistics_params *fw_fcoe_stat =
3432 &bp->fw_stats_data->fcoe;
3433
Yuval Mintz86564c32013-01-23 03:21:50 +00003434 ADD_64_LE(fcoe_stat->rx_bytes_hi, LE32_0,
3435 fcoe_stat->rx_bytes_lo,
3436 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003437
Yuval Mintz86564c32013-01-23 03:21:50 +00003438 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3439 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3440 fcoe_stat->rx_bytes_lo,
3441 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003442
Yuval Mintz86564c32013-01-23 03:21:50 +00003443 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3444 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3445 fcoe_stat->rx_bytes_lo,
3446 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003447
Yuval Mintz86564c32013-01-23 03:21:50 +00003448 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3449 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3450 fcoe_stat->rx_bytes_lo,
3451 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003452
Yuval Mintz86564c32013-01-23 03:21:50 +00003453 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3454 fcoe_stat->rx_frames_lo,
3455 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003456
Yuval Mintz86564c32013-01-23 03:21:50 +00003457 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3458 fcoe_stat->rx_frames_lo,
3459 fcoe_q_tstorm_stats->rcv_ucast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003460
Yuval Mintz86564c32013-01-23 03:21:50 +00003461 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3462 fcoe_stat->rx_frames_lo,
3463 fcoe_q_tstorm_stats->rcv_bcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003464
Yuval Mintz86564c32013-01-23 03:21:50 +00003465 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3466 fcoe_stat->rx_frames_lo,
3467 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003468
Yuval Mintz86564c32013-01-23 03:21:50 +00003469 ADD_64_LE(fcoe_stat->tx_bytes_hi, LE32_0,
3470 fcoe_stat->tx_bytes_lo,
3471 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003472
Yuval Mintz86564c32013-01-23 03:21:50 +00003473 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3474 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3475 fcoe_stat->tx_bytes_lo,
3476 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003477
Yuval Mintz86564c32013-01-23 03:21:50 +00003478 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3479 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3480 fcoe_stat->tx_bytes_lo,
3481 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003482
Yuval Mintz86564c32013-01-23 03:21:50 +00003483 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3484 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3485 fcoe_stat->tx_bytes_lo,
3486 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003487
Yuval Mintz86564c32013-01-23 03:21:50 +00003488 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3489 fcoe_stat->tx_frames_lo,
3490 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003491
Yuval Mintz86564c32013-01-23 03:21:50 +00003492 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3493 fcoe_stat->tx_frames_lo,
3494 fcoe_q_xstorm_stats->ucast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003495
Yuval Mintz86564c32013-01-23 03:21:50 +00003496 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3497 fcoe_stat->tx_frames_lo,
3498 fcoe_q_xstorm_stats->bcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003499
Yuval Mintz86564c32013-01-23 03:21:50 +00003500 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3501 fcoe_stat->tx_frames_lo,
3502 fcoe_q_xstorm_stats->mcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003503 }
3504
Barak Witkowski1d187b32011-12-05 22:41:50 +00003505 /* ask L5 driver to add data to the struct */
3506 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003507}
3508
3509static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3510{
3511 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3512 struct iscsi_stats_info *iscsi_stat =
3513 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3514
Merav Sicron55c11942012-11-07 00:45:48 +00003515 if (!CNIC_LOADED(bp))
3516 return;
3517
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003518 memcpy(iscsi_stat->mac_local + MAC_PAD, bp->cnic_eth_dev.iscsi_mac,
3519 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003520
3521 iscsi_stat->qos_priority =
3522 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3523
Barak Witkowski1d187b32011-12-05 22:41:50 +00003524 /* ask L5 driver to add data to the struct */
3525 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003526}
3527
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003528/* called due to MCP event (on pmf):
3529 * reread new bandwidth configuration
3530 * configure FW
3531 * notify others function about the change
3532 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003533static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003534{
3535 if (bp->link_vars.link_up) {
3536 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3537 bnx2x_link_sync_notify(bp);
3538 }
3539 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3540}
3541
Eric Dumazet1191cb82012-04-27 21:39:21 +00003542static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003543{
3544 bnx2x_config_mf_bw(bp);
3545 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3546}
3547
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003548static void bnx2x_handle_eee_event(struct bnx2x *bp)
3549{
3550 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3551 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3552}
3553
Yuval Mintz42f82772014-03-23 18:12:23 +02003554#define BNX2X_UPDATE_DRV_INFO_IND_LENGTH (20)
3555#define BNX2X_UPDATE_DRV_INFO_IND_COUNT (25)
3556
Barak Witkowski1d187b32011-12-05 22:41:50 +00003557static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3558{
3559 enum drv_info_opcode op_code;
3560 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
Yuval Mintz42f82772014-03-23 18:12:23 +02003561 bool release = false;
3562 int wait;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003563
3564 /* if drv_info version supported by MFW doesn't match - send NACK */
3565 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3566 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3567 return;
3568 }
3569
3570 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3571 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3572
Yuval Mintz42f82772014-03-23 18:12:23 +02003573 /* Must prevent other flows from accessing drv_info_to_mcp */
3574 mutex_lock(&bp->drv_info_mutex);
3575
Barak Witkowski1d187b32011-12-05 22:41:50 +00003576 memset(&bp->slowpath->drv_info_to_mcp, 0,
3577 sizeof(union drv_info_to_mcp));
3578
3579 switch (op_code) {
3580 case ETH_STATS_OPCODE:
3581 bnx2x_drv_info_ether_stat(bp);
3582 break;
3583 case FCOE_STATS_OPCODE:
3584 bnx2x_drv_info_fcoe_stat(bp);
3585 break;
3586 case ISCSI_STATS_OPCODE:
3587 bnx2x_drv_info_iscsi_stat(bp);
3588 break;
3589 default:
3590 /* if op code isn't supported - send NACK */
3591 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
Yuval Mintz42f82772014-03-23 18:12:23 +02003592 goto out;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003593 }
3594
3595 /* if we got drv_info attn from MFW then these fields are defined in
3596 * shmem2 for sure
3597 */
3598 SHMEM2_WR(bp, drv_info_host_addr_lo,
3599 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3600 SHMEM2_WR(bp, drv_info_host_addr_hi,
3601 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3602
3603 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
Yuval Mintz42f82772014-03-23 18:12:23 +02003604
3605 /* Since possible management wants both this and get_driver_version
3606 * need to wait until management notifies us it finished utilizing
3607 * the buffer.
3608 */
3609 if (!SHMEM2_HAS(bp, mfw_drv_indication)) {
3610 DP(BNX2X_MSG_MCP, "Management does not support indication\n");
3611 } else if (!bp->drv_info_mng_owner) {
3612 u32 bit = MFW_DRV_IND_READ_DONE_OFFSET((BP_ABS_FUNC(bp) >> 1));
3613
3614 for (wait = 0; wait < BNX2X_UPDATE_DRV_INFO_IND_COUNT; wait++) {
3615 u32 indication = SHMEM2_RD(bp, mfw_drv_indication);
3616
3617 /* Management is done; need to clear indication */
3618 if (indication & bit) {
3619 SHMEM2_WR(bp, mfw_drv_indication,
3620 indication & ~bit);
3621 release = true;
3622 break;
3623 }
3624
3625 msleep(BNX2X_UPDATE_DRV_INFO_IND_LENGTH);
3626 }
3627 }
3628 if (!release) {
3629 DP(BNX2X_MSG_MCP, "Management did not release indication\n");
3630 bp->drv_info_mng_owner = true;
3631 }
3632
3633out:
3634 mutex_unlock(&bp->drv_info_mutex);
3635}
3636
3637static u32 bnx2x_update_mng_version_utility(u8 *version, bool bnx2x_format)
3638{
3639 u8 vals[4];
3640 int i = 0;
3641
3642 if (bnx2x_format) {
3643 i = sscanf(version, "1.%c%hhd.%hhd.%hhd",
3644 &vals[0], &vals[1], &vals[2], &vals[3]);
3645 if (i > 0)
3646 vals[0] -= '0';
3647 } else {
3648 i = sscanf(version, "%hhd.%hhd.%hhd.%hhd",
3649 &vals[0], &vals[1], &vals[2], &vals[3]);
3650 }
3651
3652 while (i < 4)
3653 vals[i++] = 0;
3654
3655 return (vals[0] << 24) | (vals[1] << 16) | (vals[2] << 8) | vals[3];
3656}
3657
3658void bnx2x_update_mng_version(struct bnx2x *bp)
3659{
3660 u32 iscsiver = DRV_VER_NOT_LOADED;
3661 u32 fcoever = DRV_VER_NOT_LOADED;
3662 u32 ethver = DRV_VER_NOT_LOADED;
3663 int idx = BP_FW_MB_IDX(bp);
3664 u8 *version;
3665
3666 if (!SHMEM2_HAS(bp, func_os_drv_ver))
3667 return;
3668
3669 mutex_lock(&bp->drv_info_mutex);
3670 /* Must not proceed when `bnx2x_handle_drv_info_req' is feasible */
3671 if (bp->drv_info_mng_owner)
3672 goto out;
3673
3674 if (bp->state != BNX2X_STATE_OPEN)
3675 goto out;
3676
3677 /* Parse ethernet driver version */
3678 ethver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true);
3679 if (!CNIC_LOADED(bp))
3680 goto out;
3681
3682 /* Try getting storage driver version via cnic */
3683 memset(&bp->slowpath->drv_info_to_mcp, 0,
3684 sizeof(union drv_info_to_mcp));
3685 bnx2x_drv_info_iscsi_stat(bp);
3686 version = bp->slowpath->drv_info_to_mcp.iscsi_stat.version;
3687 iscsiver = bnx2x_update_mng_version_utility(version, false);
3688
3689 memset(&bp->slowpath->drv_info_to_mcp, 0,
3690 sizeof(union drv_info_to_mcp));
3691 bnx2x_drv_info_fcoe_stat(bp);
3692 version = bp->slowpath->drv_info_to_mcp.fcoe_stat.version;
3693 fcoever = bnx2x_update_mng_version_utility(version, false);
3694
3695out:
3696 SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_ETHERNET], ethver);
3697 SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_ISCSI], iscsiver);
3698 SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_FCOE], fcoever);
3699
3700 mutex_unlock(&bp->drv_info_mutex);
3701
3702 DP(BNX2X_MSG_MCP, "Setting driver version: ETH [%08x] iSCSI [%08x] FCoE [%08x]\n",
3703 ethver, iscsiver, fcoever);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003704}
3705
Yuval Mintz76096472014-09-17 16:24:37 +03003706static void bnx2x_oem_event(struct bnx2x *bp, u32 event)
Eilon Greenstein2691d512009-08-12 08:22:08 +00003707{
Yuval Mintz76096472014-09-17 16:24:37 +03003708 u32 cmd_ok, cmd_fail;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003709
Yuval Mintz76096472014-09-17 16:24:37 +03003710 /* sanity */
3711 if (event & DRV_STATUS_DCC_EVENT_MASK &&
3712 event & DRV_STATUS_OEM_EVENT_MASK) {
3713 BNX2X_ERR("Received simultaneous events %08x\n", event);
3714 return;
3715 }
Eilon Greenstein2691d512009-08-12 08:22:08 +00003716
Yuval Mintz76096472014-09-17 16:24:37 +03003717 if (event & DRV_STATUS_DCC_EVENT_MASK) {
3718 cmd_fail = DRV_MSG_CODE_DCC_FAILURE;
3719 cmd_ok = DRV_MSG_CODE_DCC_OK;
3720 } else /* if (event & DRV_STATUS_OEM_EVENT_MASK) */ {
3721 cmd_fail = DRV_MSG_CODE_OEM_FAILURE;
3722 cmd_ok = DRV_MSG_CODE_OEM_OK;
3723 }
3724
3725 DP(BNX2X_MSG_MCP, "oem_event 0x%x\n", event);
3726
3727 if (event & (DRV_STATUS_DCC_DISABLE_ENABLE_PF |
3728 DRV_STATUS_OEM_DISABLE_ENABLE_PF)) {
3729 /* This is the only place besides the function initialization
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003730 * where the bp->flags can change so it is done without any
3731 * locks
3732 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003733 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003734 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003735 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003736
3737 bnx2x_e1h_disable(bp);
3738 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003739 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003740 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003741
3742 bnx2x_e1h_enable(bp);
3743 }
Yuval Mintz76096472014-09-17 16:24:37 +03003744 event &= ~(DRV_STATUS_DCC_DISABLE_ENABLE_PF |
3745 DRV_STATUS_OEM_DISABLE_ENABLE_PF);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003746 }
Yuval Mintz76096472014-09-17 16:24:37 +03003747
3748 if (event & (DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
3749 DRV_STATUS_OEM_BANDWIDTH_ALLOCATION)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003750 bnx2x_config_mf_bw(bp);
Yuval Mintz76096472014-09-17 16:24:37 +03003751 event &= ~(DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
3752 DRV_STATUS_OEM_BANDWIDTH_ALLOCATION);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003753 }
3754
3755 /* Report results to MCP */
Yuval Mintz76096472014-09-17 16:24:37 +03003756 if (event)
3757 bnx2x_fw_command(bp, cmd_fail, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003758 else
Yuval Mintz76096472014-09-17 16:24:37 +03003759 bnx2x_fw_command(bp, cmd_ok, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003760}
3761
Michael Chan289129022009-10-10 13:46:53 +00003762/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003763static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003764{
3765 struct eth_spe *next_spe = bp->spq_prod_bd;
3766
3767 if (bp->spq_prod_bd == bp->spq_last_bd) {
3768 bp->spq_prod_bd = bp->spq;
3769 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003770 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan289129022009-10-10 13:46:53 +00003771 } else {
3772 bp->spq_prod_bd++;
3773 bp->spq_prod_idx++;
3774 }
3775 return next_spe;
3776}
3777
3778/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003779static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003780{
3781 int func = BP_FUNC(bp);
3782
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003783 /*
3784 * Make sure that BD data is updated before writing the producer:
3785 * BD data is written to the memory, the producer is read from the
3786 * memory, thus we need a full memory barrier to ensure the ordering.
3787 */
3788 mb();
Michael Chan289129022009-10-10 13:46:53 +00003789
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003790 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003791 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00003792 mmiowb();
3793}
3794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003795/**
3796 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3797 *
3798 * @cmd: command to check
3799 * @cmd_type: command type
3800 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003801static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003802{
3803 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003804 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003805 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3806 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3807 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3808 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3809 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3810 return true;
3811 else
3812 return false;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003813}
3814
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003815/**
3816 * bnx2x_sp_post - place a single command on an SP ring
3817 *
3818 * @bp: driver handle
3819 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3820 * @cid: SW CID the command is related to
3821 * @data_hi: command private data address (high 32 bits)
3822 * @data_lo: command private data address (low 32 bits)
3823 * @cmd_type: command type (e.g. NONE, ETH)
3824 *
3825 * SP data is handled as if it's always an address pair, thus data fields are
3826 * not swapped to little endian in upper functions. Instead this function swaps
3827 * data as if it's two u32 fields.
3828 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003829int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003830 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831{
Michael Chan289129022009-10-10 13:46:53 +00003832 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003833 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003834 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003836#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003837 if (unlikely(bp->panic)) {
3838 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003839 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003840 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003841#endif
3842
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003843 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003844
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003845 if (common) {
3846 if (!atomic_read(&bp->eq_spq_left)) {
3847 BNX2X_ERR("BUG! EQ ring full!\n");
3848 spin_unlock_bh(&bp->spq_lock);
3849 bnx2x_panic();
3850 return -EBUSY;
3851 }
3852 } else if (!atomic_read(&bp->cq_spq_left)) {
3853 BNX2X_ERR("BUG! SPQ ring full!\n");
3854 spin_unlock_bh(&bp->spq_lock);
3855 bnx2x_panic();
3856 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003857 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003858
Michael Chan289129022009-10-10 13:46:53 +00003859 spe = bnx2x_sp_get_next(bp);
3860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003861 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00003862 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003863 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3864 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003865
Michal Kalderon14a94eb2014-02-12 18:19:53 +02003866 /* In some cases, type may already contain the func-id
3867 * mainly in SRIOV related use cases, so we add it here only
3868 * if it's not already set.
3869 */
3870 if (!(cmd_type & SPE_HDR_FUNCTION_ID)) {
3871 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) &
3872 SPE_HDR_CONN_TYPE;
3873 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3874 SPE_HDR_FUNCTION_ID);
3875 } else {
3876 type = cmd_type;
3877 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003878
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003879 spe->hdr.type = cpu_to_le16(type);
3880
3881 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3882 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3883
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003884 /*
3885 * It's ok if the actual decrement is issued towards the memory
3886 * somewhere between the spin_lock and spin_unlock. Thus no
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003887 * more explicit memory barrier is needed.
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003888 */
3889 if (common)
3890 atomic_dec(&bp->eq_spq_left);
3891 else
3892 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003893
Merav Sicron51c1a582012-03-18 10:33:38 +00003894 DP(BNX2X_MSG_SP,
3895 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003896 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3897 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003898 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003899 HW_CID(bp, cid), data_hi, data_lo, type,
3900 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003901
Michael Chan289129022009-10-10 13:46:53 +00003902 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003903 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904 return 0;
3905}
3906
3907/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003908static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003909{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003910 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003911 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003912
3913 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914 for (j = 0; j < 1000; j++) {
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003915 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, MCPR_ACCESS_LOCK_LOCK);
3916 val = REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK);
3917 if (val & MCPR_ACCESS_LOCK_LOCK)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003918 break;
3919
Yuval Mintz639d65b2013-06-02 00:06:21 +00003920 usleep_range(5000, 10000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003921 }
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003922 if (!(val & MCPR_ACCESS_LOCK_LOCK)) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003923 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003924 rc = -EBUSY;
3925 }
3926
3927 return rc;
3928}
3929
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003930/* release split MCP access lock register */
3931static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003932{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003933 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003934}
3935
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003936#define BNX2X_DEF_SB_ATT_IDX 0x0001
3937#define BNX2X_DEF_SB_IDX 0x0002
3938
Eric Dumazet1191cb82012-04-27 21:39:21 +00003939static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003940{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003941 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003942 u16 rc = 0;
3943
3944 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003945 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3946 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003947 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003948 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003949
3950 if (bp->def_idx != def_sb->sp_sb.running_index) {
3951 bp->def_idx = def_sb->sp_sb.running_index;
3952 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003953 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003954
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003955 /* Do not reorder: indices reading should complete before handling */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003956 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003957 return rc;
3958}
3959
3960/*
3961 * slow path service functions
3962 */
3963
3964static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3965{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003966 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003967 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3968 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003969 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3970 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003971 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003972 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003973 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003974
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003975 if (bp->attn_state & asserted)
3976 BNX2X_ERR("IGU ERROR\n");
3977
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003978 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3979 aeu_mask = REG_RD(bp, aeu_addr);
3980
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003981 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003982 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003983 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003984 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003985
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003986 REG_WR(bp, aeu_addr, aeu_mask);
3987 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003988
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003989 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003990 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003991 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003992
3993 if (asserted & ATTN_HARD_WIRED_MASK) {
3994 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003995
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003996 bnx2x_acquire_phy_lock(bp);
3997
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003998 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003999 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004000
Yaniv Rosner361c3912011-06-14 01:33:19 +00004001 /* If nig_mask is not set, no need to call the update
4002 * function.
4003 */
4004 if (nig_mask) {
4005 REG_WR(bp, nig_int_mask_addr, 0);
4006
4007 bnx2x_link_attn(bp);
4008 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004009
4010 /* handle unicore attn? */
4011 }
4012 if (asserted & ATTN_SW_TIMER_4_FUNC)
4013 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
4014
4015 if (asserted & GPIO_2_FUNC)
4016 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
4017
4018 if (asserted & GPIO_3_FUNC)
4019 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
4020
4021 if (asserted & GPIO_4_FUNC)
4022 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
4023
4024 if (port == 0) {
4025 if (asserted & ATTN_GENERAL_ATTN_1) {
4026 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
4027 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
4028 }
4029 if (asserted & ATTN_GENERAL_ATTN_2) {
4030 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
4031 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
4032 }
4033 if (asserted & ATTN_GENERAL_ATTN_3) {
4034 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
4035 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
4036 }
4037 } else {
4038 if (asserted & ATTN_GENERAL_ATTN_4) {
4039 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
4040 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
4041 }
4042 if (asserted & ATTN_GENERAL_ATTN_5) {
4043 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
4044 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
4045 }
4046 if (asserted & ATTN_GENERAL_ATTN_6) {
4047 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
4048 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
4049 }
4050 }
4051
4052 } /* if hardwired */
4053
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004054 if (bp->common.int_block == INT_BLOCK_HC)
4055 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4056 COMMAND_REG_ATTN_BITS_SET);
4057 else
4058 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
4059
4060 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
4061 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
4062 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004063
4064 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08004065 if (asserted & ATTN_NIG_FOR_FUNC) {
Yaniv Rosner27c11512012-12-02 04:05:54 +00004066 /* Verify that IGU ack through BAR was written before restoring
4067 * NIG mask. This loop should exit after 2-3 iterations max.
4068 */
4069 if (bp->common.int_block != INT_BLOCK_HC) {
4070 u32 cnt = 0, igu_acked;
4071 do {
4072 igu_acked = REG_RD(bp,
4073 IGU_REG_ATTENTION_ACK_BITS);
4074 } while (((igu_acked & ATTN_NIG_FOR_FUNC) == 0) &&
4075 (++cnt < MAX_IGU_ATTN_ACK_TO));
4076 if (!igu_acked)
4077 DP(NETIF_MSG_HW,
4078 "Failed to verify IGU ack on time\n");
4079 barrier();
4080 }
Eilon Greenstein87942b42009-02-12 08:36:49 +00004081 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08004082 bnx2x_release_phy_lock(bp);
4083 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004084}
4085
Eric Dumazet1191cb82012-04-27 21:39:21 +00004086static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004087{
4088 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004089 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004090 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004091 ext_phy_config =
4092 SHMEM_RD(bp,
4093 dev_info.port_hw_config[port].external_phy_config);
4094
4095 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
4096 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004097 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004098 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004099
4100 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00004101 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
4102 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00004103
Yuval Mintz16a5fd92013-06-02 00:06:18 +00004104 /* Schedule device reset (unload)
Ariel Elior83048592011-11-13 04:34:29 +00004105 * This is due to some boards consuming sufficient power when driver is
4106 * up to overheat if fan fails.
4107 */
Yuval Mintz230bb0f2014-02-12 18:19:56 +02004108 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_FAN_FAILURE, 0);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004109}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00004110
Eric Dumazet1191cb82012-04-27 21:39:21 +00004111static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004112{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004113 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004114 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004115 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004116
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004117 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4118 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004119
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004120 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004121
4122 val = REG_RD(bp, reg_offset);
4123 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
4124 REG_WR(bp, reg_offset, val);
4125
4126 BNX2X_ERR("SPIO5 hw attention\n");
4127
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004128 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004129 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004130 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004131 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004132
Yaniv Rosner3deb8162011-06-14 01:34:33 +00004133 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00004134 bnx2x_acquire_phy_lock(bp);
4135 bnx2x_handle_module_detect_int(&bp->link_params);
4136 bnx2x_release_phy_lock(bp);
4137 }
4138
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 if (attn & HW_INTERRUT_ASSERT_SET_0) {
4140
4141 val = REG_RD(bp, reg_offset);
4142 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
4143 REG_WR(bp, reg_offset, val);
4144
4145 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00004146 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004147 bnx2x_panic();
4148 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004149}
4150
Eric Dumazet1191cb82012-04-27 21:39:21 +00004151static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004152{
4153 u32 val;
4154
Eilon Greenstein0626b892009-02-12 08:38:14 +00004155 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004156
4157 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
4158 BNX2X_ERR("DB hw attention 0x%x\n", val);
4159 /* DORQ discard attention */
4160 if (val & 0x2)
4161 BNX2X_ERR("FATAL error from DORQ\n");
4162 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004163
4164 if (attn & HW_INTERRUT_ASSERT_SET_1) {
4165
4166 int port = BP_PORT(bp);
4167 int reg_offset;
4168
4169 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
4170 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
4171
4172 val = REG_RD(bp, reg_offset);
4173 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
4174 REG_WR(bp, reg_offset, val);
4175
4176 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00004177 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004178 bnx2x_panic();
4179 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004180}
4181
Eric Dumazet1191cb82012-04-27 21:39:21 +00004182static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004183{
4184 u32 val;
4185
4186 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
4187
4188 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
4189 BNX2X_ERR("CFC hw attention 0x%x\n", val);
4190 /* CFC error attention */
4191 if (val & 0x2)
4192 BNX2X_ERR("FATAL error from CFC\n");
4193 }
4194
4195 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004196 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004197 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004198 /* RQ_USDMDP_FIFO_OVERFLOW */
4199 if (val & 0x18000)
4200 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004201
4202 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004203 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
4204 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
4205 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004206 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004207
4208 if (attn & HW_INTERRUT_ASSERT_SET_2) {
4209
4210 int port = BP_PORT(bp);
4211 int reg_offset;
4212
4213 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
4214 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
4215
4216 val = REG_RD(bp, reg_offset);
4217 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
4218 REG_WR(bp, reg_offset, val);
4219
4220 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00004221 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004222 bnx2x_panic();
4223 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004224}
4225
Eric Dumazet1191cb82012-04-27 21:39:21 +00004226static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004228 u32 val;
4229
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004230 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
4231
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004232 if (attn & BNX2X_PMF_LINK_ASSERT) {
4233 int func = BP_FUNC(bp);
4234
4235 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00004236 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004237 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
4238 func_mf_config[BP_ABS_FUNC(bp)].config);
4239 val = SHMEM_RD(bp,
4240 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Yuval Mintz76096472014-09-17 16:24:37 +03004241
4242 if (val & (DRV_STATUS_DCC_EVENT_MASK |
4243 DRV_STATUS_OEM_EVENT_MASK))
4244 bnx2x_oem_event(bp,
4245 (val & (DRV_STATUS_DCC_EVENT_MASK |
4246 DRV_STATUS_OEM_EVENT_MASK)));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004247
4248 if (val & DRV_STATUS_SET_MF_BW)
4249 bnx2x_set_mf_bw(bp);
4250
Barak Witkowski1d187b32011-12-05 22:41:50 +00004251 if (val & DRV_STATUS_DRV_INFO_REQ)
4252 bnx2x_handle_drv_info_req(bp);
Ariel Eliord16132c2013-01-01 05:22:42 +00004253
4254 if (val & DRV_STATUS_VF_DISABLED)
Yuval Mintz370d4a22014-03-23 18:12:24 +02004255 bnx2x_schedule_iov_task(bp,
4256 BNX2X_IOV_HANDLE_FLR);
Ariel Eliord16132c2013-01-01 05:22:42 +00004257
Eilon Greenstein2691d512009-08-12 08:22:08 +00004258 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004259 bnx2x_pmf_update(bp);
4260
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004261 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00004262 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
4263 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004264 /* start dcbx state machine */
4265 bnx2x_dcbx_set_params(bp,
4266 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00004267 if (val & DRV_STATUS_AFEX_EVENT_MASK)
4268 bnx2x_handle_afex_cmd(bp,
4269 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00004270 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
4271 bnx2x_handle_eee_event(bp);
Yuval Mintz76096472014-09-17 16:24:37 +03004272
4273 if (val & DRV_STATUS_OEM_UPDATE_SVID)
4274 bnx2x_handle_update_svid_cmd(bp);
4275
Yaniv Rosner3deb8162011-06-14 01:34:33 +00004276 if (bp->link_vars.periodic_flags &
4277 PERIODIC_FLAGS_LINK_EVENT) {
4278 /* sync with link */
4279 bnx2x_acquire_phy_lock(bp);
4280 bp->link_vars.periodic_flags &=
4281 ~PERIODIC_FLAGS_LINK_EVENT;
4282 bnx2x_release_phy_lock(bp);
4283 if (IS_MF(bp))
4284 bnx2x_link_sync_notify(bp);
4285 bnx2x_link_report(bp);
4286 }
4287 /* Always call it here: bnx2x_link_report() will
4288 * prevent the link indication duplication.
4289 */
4290 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004291 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004292
4293 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004294 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004295 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
4296 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
4297 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
4298 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
4299 bnx2x_panic();
4300
4301 } else if (attn & BNX2X_MCP_ASSERT) {
4302
4303 BNX2X_ERR("MCP assert!\n");
4304 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004305 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004306
4307 } else
4308 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
4309 }
4310
4311 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004312 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
4313 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004314 val = CHIP_IS_E1(bp) ? 0 :
4315 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004316 BNX2X_ERR("GRC time-out 0x%08x\n", val);
4317 }
4318 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004319 val = CHIP_IS_E1(bp) ? 0 :
4320 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004321 BNX2X_ERR("GRC reserved 0x%08x\n", val);
4322 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004323 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004324 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004325}
4326
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004327/*
4328 * Bits map:
4329 * 0-7 - Engine0 load counter.
4330 * 8-15 - Engine1 load counter.
4331 * 16 - Engine0 RESET_IN_PROGRESS bit.
4332 * 17 - Engine1 RESET_IN_PROGRESS bit.
4333 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
4334 * on the engine
4335 * 19 - Engine1 ONE_IS_LOADED.
4336 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
4337 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
4338 * just the one belonging to its engine).
4339 *
4340 */
4341#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
4342
4343#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
4344#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
4345#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
4346#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
4347#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
4348#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
4349#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004350
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004351/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004352 * Set the GLOBAL_RESET bit.
4353 *
4354 * Should be run under rtnl lock
4355 */
4356void bnx2x_set_reset_global(struct bnx2x *bp)
4357{
Ariel Eliorf16da432012-01-26 06:01:50 +00004358 u32 val;
4359 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4360 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004361 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00004362 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004363}
4364
4365/*
4366 * Clear the GLOBAL_RESET bit.
4367 *
4368 * Should be run under rtnl lock
4369 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004370static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004371{
Ariel Eliorf16da432012-01-26 06:01:50 +00004372 u32 val;
4373 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4374 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004375 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00004376 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004377}
4378
4379/*
4380 * Checks the GLOBAL_RESET bit.
4381 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382 * should be run under rtnl lock
4383 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004384static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004385{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00004386 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004387
4388 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
4389 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
4390}
4391
4392/*
4393 * Clear RESET_IN_PROGRESS bit for the current engine.
4394 *
4395 * Should be run under rtnl lock
4396 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004397static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004398{
Ariel Eliorf16da432012-01-26 06:01:50 +00004399 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004400 u32 bit = BP_PATH(bp) ?
4401 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004402 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4403 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004404
4405 /* Clear the bit */
4406 val &= ~bit;
4407 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004408
4409 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004410}
4411
4412/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004413 * Set RESET_IN_PROGRESS for the current engine.
4414 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004415 * should be run under rtnl lock
4416 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004417void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004418{
Ariel Eliorf16da432012-01-26 06:01:50 +00004419 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004420 u32 bit = BP_PATH(bp) ?
4421 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004422 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4423 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004424
4425 /* Set the bit */
4426 val |= bit;
4427 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004428 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004429}
4430
4431/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004432 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004433 * should be run under rtnl lock
4434 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004435bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004436{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00004437 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004438 u32 bit = engine ?
4439 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4440
4441 /* return false if bit is set */
4442 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004443}
4444
4445/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004446 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004447 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004448 * should be run under rtnl lock
4449 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004450void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004451{
Ariel Eliorf16da432012-01-26 06:01:50 +00004452 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004453 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4454 BNX2X_PATH0_LOAD_CNT_MASK;
4455 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4456 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004457
Ariel Eliorf16da432012-01-26 06:01:50 +00004458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4459 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4460
Merav Sicron51c1a582012-03-18 10:33:38 +00004461 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004462
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004463 /* get the current counter value */
4464 val1 = (val & mask) >> shift;
4465
Ariel Elior889b9af2012-01-26 06:01:51 +00004466 /* set bit of that PF */
4467 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004468
4469 /* clear the old value */
4470 val &= ~mask;
4471
4472 /* set the new one */
4473 val |= ((val1 << shift) & mask);
4474
4475 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004476 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004477}
4478
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004479/**
Ariel Elior889b9af2012-01-26 06:01:51 +00004480 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004481 *
4482 * @bp: driver handle
4483 *
4484 * Should be run under rtnl lock.
4485 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00004486 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004487 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004488bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004489{
Ariel Eliorf16da432012-01-26 06:01:50 +00004490 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004491 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4492 BNX2X_PATH0_LOAD_CNT_MASK;
4493 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4494 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004495
Ariel Eliorf16da432012-01-26 06:01:50 +00004496 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4497 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004498 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004499
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004500 /* get the current counter value */
4501 val1 = (val & mask) >> shift;
4502
Ariel Elior889b9af2012-01-26 06:01:51 +00004503 /* clear bit of that PF */
4504 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004505
4506 /* clear the old value */
4507 val &= ~mask;
4508
4509 /* set the new one */
4510 val |= ((val1 << shift) & mask);
4511
4512 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004513 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4514 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004515}
4516
4517/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004518 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004519 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004520 * should be run under rtnl lock
4521 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004522static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004523{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004524 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4525 BNX2X_PATH0_LOAD_CNT_MASK);
4526 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4527 BNX2X_PATH0_LOAD_CNT_SHIFT);
4528 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4529
Merav Sicron51c1a582012-03-18 10:33:38 +00004530 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004531
4532 val = (val & mask) >> shift;
4533
Merav Sicron51c1a582012-03-18 10:33:38 +00004534 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4535 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004536
Ariel Elior889b9af2012-01-26 06:01:51 +00004537 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004538}
4539
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004540static void _print_parity(struct bnx2x *bp, u32 reg)
4541{
4542 pr_cont(" [0x%08x] ", REG_RD(bp, reg));
4543}
4544
Eric Dumazet1191cb82012-04-27 21:39:21 +00004545static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004546{
Joe Perchesf1deab52011-08-14 12:16:21 +00004547 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004548}
4549
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004550static bool bnx2x_check_blocks_with_parity0(struct bnx2x *bp, u32 sig,
4551 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004552{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004553 u32 cur_bit;
4554 bool res;
4555 int i;
4556
4557 res = false;
4558
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004559 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004560 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004561 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004562 res |= true; /* Each bit is real error! */
4563
4564 if (print) {
4565 switch (cur_bit) {
4566 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
4567 _print_next_block((*par_num)++, "BRB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004568 _print_parity(bp,
4569 BRB1_REG_BRB1_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004570 break;
4571 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
4572 _print_next_block((*par_num)++,
4573 "PARSER");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004574 _print_parity(bp, PRS_REG_PRS_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004575 break;
4576 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
4577 _print_next_block((*par_num)++, "TSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004578 _print_parity(bp,
4579 TSDM_REG_TSDM_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004580 break;
4581 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
4582 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004583 "SEARCHER");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004584 _print_parity(bp, SRC_REG_SRC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004585 break;
4586 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4587 _print_next_block((*par_num)++, "TCM");
4588 _print_parity(bp, TCM_REG_TCM_PRTY_STS);
4589 break;
4590 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
4591 _print_next_block((*par_num)++,
4592 "TSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004593 _print_parity(bp,
4594 TSEM_REG_TSEM_PRTY_STS_0);
4595 _print_parity(bp,
4596 TSEM_REG_TSEM_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004597 break;
4598 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4599 _print_next_block((*par_num)++, "XPB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004600 _print_parity(bp, GRCBASE_XPB +
4601 PB_REG_PB_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004602 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004603 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004604 }
4605
4606 /* Clear the bit */
4607 sig &= ~cur_bit;
4608 }
4609 }
4610
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004611 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004612}
4613
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004614static bool bnx2x_check_blocks_with_parity1(struct bnx2x *bp, u32 sig,
4615 int *par_num, bool *global,
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004616 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004617{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004618 u32 cur_bit;
4619 bool res;
4620 int i;
4621
4622 res = false;
4623
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004624 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004625 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004626 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004627 res |= true; /* Each bit is real error! */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004628 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004629 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004630 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004631 _print_next_block((*par_num)++, "PBF");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004632 _print_parity(bp, PBF_REG_PBF_PRTY_STS);
4633 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004634 break;
4635 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004636 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004637 _print_next_block((*par_num)++, "QM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004638 _print_parity(bp, QM_REG_QM_PRTY_STS);
4639 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004640 break;
4641 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004642 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004643 _print_next_block((*par_num)++, "TM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004644 _print_parity(bp, TM_REG_TM_PRTY_STS);
4645 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004646 break;
4647 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004648 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004649 _print_next_block((*par_num)++, "XSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004650 _print_parity(bp,
4651 XSDM_REG_XSDM_PRTY_STS);
4652 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004653 break;
4654 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004655 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004656 _print_next_block((*par_num)++, "XCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004657 _print_parity(bp, XCM_REG_XCM_PRTY_STS);
4658 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004659 break;
4660 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004661 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004662 _print_next_block((*par_num)++,
4663 "XSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004664 _print_parity(bp,
4665 XSEM_REG_XSEM_PRTY_STS_0);
4666 _print_parity(bp,
4667 XSEM_REG_XSEM_PRTY_STS_1);
4668 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004669 break;
4670 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004671 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004672 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004673 "DOORBELLQ");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004674 _print_parity(bp,
4675 DORQ_REG_DORQ_PRTY_STS);
4676 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004677 break;
4678 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004679 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004680 _print_next_block((*par_num)++, "NIG");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004681 if (CHIP_IS_E1x(bp)) {
4682 _print_parity(bp,
4683 NIG_REG_NIG_PRTY_STS);
4684 } else {
4685 _print_parity(bp,
4686 NIG_REG_NIG_PRTY_STS_0);
4687 _print_parity(bp,
4688 NIG_REG_NIG_PRTY_STS_1);
4689 }
4690 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004691 break;
4692 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004693 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004694 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004695 "VAUX PCI CORE");
4696 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004697 break;
4698 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004699 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004700 _print_next_block((*par_num)++,
4701 "DEBUG");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004702 _print_parity(bp, DBG_REG_DBG_PRTY_STS);
4703 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004704 break;
4705 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004706 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004707 _print_next_block((*par_num)++, "USDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004708 _print_parity(bp,
4709 USDM_REG_USDM_PRTY_STS);
4710 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004711 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004712 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004713 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004714 _print_next_block((*par_num)++, "UCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004715 _print_parity(bp, UCM_REG_UCM_PRTY_STS);
4716 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004717 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004718 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004719 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004720 _print_next_block((*par_num)++,
4721 "USEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004722 _print_parity(bp,
4723 USEM_REG_USEM_PRTY_STS_0);
4724 _print_parity(bp,
4725 USEM_REG_USEM_PRTY_STS_1);
4726 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004727 break;
4728 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004729 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004730 _print_next_block((*par_num)++, "UPB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004731 _print_parity(bp, GRCBASE_UPB +
4732 PB_REG_PB_PRTY_STS);
4733 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004734 break;
4735 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004736 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004737 _print_next_block((*par_num)++, "CSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004738 _print_parity(bp,
4739 CSDM_REG_CSDM_PRTY_STS);
4740 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004741 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004742 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004743 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004744 _print_next_block((*par_num)++, "CCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004745 _print_parity(bp, CCM_REG_CCM_PRTY_STS);
4746 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004747 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004748 }
4749
4750 /* Clear the bit */
4751 sig &= ~cur_bit;
4752 }
4753 }
4754
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004755 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004756}
4757
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004758static bool bnx2x_check_blocks_with_parity2(struct bnx2x *bp, u32 sig,
4759 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004760{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004761 u32 cur_bit;
4762 bool res;
4763 int i;
4764
4765 res = false;
4766
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004767 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004768 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004769 if (sig & cur_bit) {
Yuval Mintz0c23ad32014-08-17 16:47:45 +03004770 res = true; /* Each bit is real error! */
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004771 if (print) {
4772 switch (cur_bit) {
4773 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
4774 _print_next_block((*par_num)++,
4775 "CSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004776 _print_parity(bp,
4777 CSEM_REG_CSEM_PRTY_STS_0);
4778 _print_parity(bp,
4779 CSEM_REG_CSEM_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004780 break;
4781 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
4782 _print_next_block((*par_num)++, "PXP");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004783 _print_parity(bp, PXP_REG_PXP_PRTY_STS);
4784 _print_parity(bp,
4785 PXP2_REG_PXP2_PRTY_STS_0);
4786 _print_parity(bp,
4787 PXP2_REG_PXP2_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004788 break;
4789 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
4790 _print_next_block((*par_num)++,
4791 "PXPPCICLOCKCLIENT");
4792 break;
4793 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
4794 _print_next_block((*par_num)++, "CFC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004795 _print_parity(bp,
4796 CFC_REG_CFC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004797 break;
4798 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
4799 _print_next_block((*par_num)++, "CDU");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004800 _print_parity(bp, CDU_REG_CDU_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004801 break;
4802 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4803 _print_next_block((*par_num)++, "DMAE");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004804 _print_parity(bp,
4805 DMAE_REG_DMAE_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004806 break;
4807 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
4808 _print_next_block((*par_num)++, "IGU");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004809 if (CHIP_IS_E1x(bp))
4810 _print_parity(bp,
4811 HC_REG_HC_PRTY_STS);
4812 else
4813 _print_parity(bp,
4814 IGU_REG_IGU_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004815 break;
4816 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
4817 _print_next_block((*par_num)++, "MISC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004818 _print_parity(bp,
4819 MISC_REG_MISC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004820 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004821 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004822 }
4823
4824 /* Clear the bit */
4825 sig &= ~cur_bit;
4826 }
4827 }
4828
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004829 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004830}
4831
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004832static bool bnx2x_check_blocks_with_parity3(struct bnx2x *bp, u32 sig,
4833 int *par_num, bool *global,
4834 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004835{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004836 bool res = false;
4837 u32 cur_bit;
4838 int i;
4839
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004840 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004841 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004842 if (sig & cur_bit) {
4843 switch (cur_bit) {
4844 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004845 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004846 _print_next_block((*par_num)++,
4847 "MCP ROM");
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004848 *global = true;
Yuval Mintz0c23ad32014-08-17 16:47:45 +03004849 res = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004850 break;
4851 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004852 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004853 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004854 "MCP UMP RX");
4855 *global = true;
Yuval Mintz0c23ad32014-08-17 16:47:45 +03004856 res = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004857 break;
4858 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004859 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004860 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004861 "MCP UMP TX");
4862 *global = true;
Yuval Mintz0c23ad32014-08-17 16:47:45 +03004863 res = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004864 break;
4865 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004866 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004867 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004868 "MCP SCPAD");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004869 /* clear latched SCPAD PATIRY from MCP */
4870 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL,
4871 1UL << 10);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004872 break;
4873 }
4874
4875 /* Clear the bit */
4876 sig &= ~cur_bit;
4877 }
4878 }
4879
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004880 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004881}
4882
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004883static bool bnx2x_check_blocks_with_parity4(struct bnx2x *bp, u32 sig,
4884 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004885{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004886 u32 cur_bit;
4887 bool res;
4888 int i;
4889
4890 res = false;
4891
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004892 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004893 cur_bit = (0x1UL << i);
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004894 if (sig & cur_bit) {
Yuval Mintz0c23ad32014-08-17 16:47:45 +03004895 res = true; /* Each bit is real error! */
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004896 if (print) {
4897 switch (cur_bit) {
4898 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4899 _print_next_block((*par_num)++,
4900 "PGLUE_B");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004901 _print_parity(bp,
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004902 PGLUE_B_REG_PGLUE_B_PRTY_STS);
4903 break;
4904 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4905 _print_next_block((*par_num)++, "ATC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004906 _print_parity(bp,
4907 ATC_REG_ATC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004908 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004909 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004910 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004911 /* Clear the bit */
4912 sig &= ~cur_bit;
4913 }
4914 }
4915
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004916 return res;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004917}
4918
Eric Dumazet1191cb82012-04-27 21:39:21 +00004919static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4920 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004921{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004922 bool res = false;
4923
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004924 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4925 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4926 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4927 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4928 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004929 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004930 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4931 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004932 sig[0] & HW_PRTY_ASSERT_SET_0,
4933 sig[1] & HW_PRTY_ASSERT_SET_1,
4934 sig[2] & HW_PRTY_ASSERT_SET_2,
4935 sig[3] & HW_PRTY_ASSERT_SET_3,
4936 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004937 if (print)
4938 netdev_err(bp->dev,
4939 "Parity errors detected in blocks: ");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004940 res |= bnx2x_check_blocks_with_parity0(bp,
4941 sig[0] & HW_PRTY_ASSERT_SET_0, &par_num, print);
4942 res |= bnx2x_check_blocks_with_parity1(bp,
4943 sig[1] & HW_PRTY_ASSERT_SET_1, &par_num, global, print);
4944 res |= bnx2x_check_blocks_with_parity2(bp,
4945 sig[2] & HW_PRTY_ASSERT_SET_2, &par_num, print);
4946 res |= bnx2x_check_blocks_with_parity3(bp,
4947 sig[3] & HW_PRTY_ASSERT_SET_3, &par_num, global, print);
4948 res |= bnx2x_check_blocks_with_parity4(bp,
4949 sig[4] & HW_PRTY_ASSERT_SET_4, &par_num, print);
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004950
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004951 if (print)
4952 pr_cont("\n");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004953 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004954
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004955 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004956}
4957
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004958/**
4959 * bnx2x_chk_parity_attn - checks for parity attentions.
4960 *
4961 * @bp: driver handle
4962 * @global: true if there was a global attention
4963 * @print: show parity attention in syslog
4964 */
4965bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004966{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004967 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004968 int port = BP_PORT(bp);
4969
4970 attn.sig[0] = REG_RD(bp,
4971 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4972 port*4);
4973 attn.sig[1] = REG_RD(bp,
4974 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4975 port*4);
4976 attn.sig[2] = REG_RD(bp,
4977 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4978 port*4);
4979 attn.sig[3] = REG_RD(bp,
4980 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4981 port*4);
Yuval Mintz0a5ccb72013-09-23 10:12:54 +03004982 /* Since MCP attentions can't be disabled inside the block, we need to
4983 * read AEU registers to see whether they're currently disabled
4984 */
4985 attn.sig[3] &= ((REG_RD(bp,
4986 !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0
4987 : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) &
4988 MISC_AEU_ENABLE_MCP_PRTY_BITS) |
4989 ~MISC_AEU_ENABLE_MCP_PRTY_BITS);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004990
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004991 if (!CHIP_IS_E1x(bp))
4992 attn.sig[4] = REG_RD(bp,
4993 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4994 port*4);
4995
4996 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004997}
4998
Eric Dumazet1191cb82012-04-27 21:39:21 +00004999static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005000{
5001 u32 val;
5002 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
5003
5004 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
5005 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
5006 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00005007 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005008 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00005009 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005010 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005011 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005012 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005013 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005014 if (val &
5015 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005016 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005017 if (val &
5018 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005019 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005020 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005021 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005022 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00005023 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005024 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00005025 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005026 }
5027 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
5028 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
5029 BNX2X_ERR("ATC hw attention 0x%x\n", val);
5030 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
5031 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
5032 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00005033 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005034 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00005035 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005036 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00005037 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005038 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
5039 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
5040 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00005041 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005042 }
5043
5044 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
5045 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
5046 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
5047 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
5048 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
5049 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005050}
5051
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005052static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
5053{
5054 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005055 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005056 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005057 u32 reg_addr;
5058 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07005059 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005060 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005061
5062 /* need to take HW lock because MCP or other port might also
5063 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07005064 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005065
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005066 if (bnx2x_chk_parity_attn(bp, &global, true)) {
5067#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005068 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00005069 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005070 /* Disable HW interrupts */
5071 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005072 /* In case of parity errors don't handle attentions so that
5073 * other function would "see" parity errors.
5074 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005075#else
5076 bnx2x_panic();
5077#endif
5078 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005079 return;
5080 }
5081
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005082 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
5083 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
5084 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
5085 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005086 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005087 attn.sig[4] =
5088 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
5089 else
5090 attn.sig[4] = 0;
5091
5092 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
5093 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094
5095 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
5096 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005097 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098
Merav Sicron51c1a582012-03-18 10:33:38 +00005099 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005100 index,
5101 group_mask->sig[0], group_mask->sig[1],
5102 group_mask->sig[2], group_mask->sig[3],
5103 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005105 bnx2x_attn_int_deasserted4(bp,
5106 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005107 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005108 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005109 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005110 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005111 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005112 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005113 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005114 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005115 }
5116 }
5117
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07005118 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005120 if (bp->common.int_block == INT_BLOCK_HC)
5121 reg_addr = (HC_REG_COMMAND_REG + port*32 +
5122 COMMAND_REG_ATTN_BITS_CLR);
5123 else
5124 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005125
5126 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005127 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
5128 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005129 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005130
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005131 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07005132 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
5134 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
5135 MISC_REG_AEU_MASK_ATTN_FUNC_0;
5136
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07005137 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
5138 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07005140 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
5141 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005142 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07005143 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
5144
5145 REG_WR(bp, reg_addr, aeu_mask);
5146 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005147
5148 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
5149 bp->attn_state &= ~deasserted;
5150 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
5151}
5152
5153static void bnx2x_attn_int(struct bnx2x *bp)
5154{
5155 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08005156 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
5157 attn_bits);
5158 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
5159 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160 u32 attn_state = bp->attn_state;
5161
5162 /* look for changed bits */
5163 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
5164 u32 deasserted = ~attn_bits & attn_ack & attn_state;
5165
5166 DP(NETIF_MSG_HW,
5167 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
5168 attn_bits, attn_ack, asserted, deasserted);
5169
5170 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005171 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005172
5173 /* handle bits that were raised */
5174 if (asserted)
5175 bnx2x_attn_int_asserted(bp, asserted);
5176
5177 if (deasserted)
5178 bnx2x_attn_int_deasserted(bp, deasserted);
5179}
5180
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005181void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
5182 u16 index, u8 op, u8 update)
5183{
Ariel Eliordc1ba592013-01-01 05:22:30 +00005184 u32 igu_addr = bp->igu_base_addr;
5185 igu_addr += (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005186 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
5187 igu_addr);
5188}
5189
Eric Dumazet1191cb82012-04-27 21:39:21 +00005190static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005191{
5192 /* No memory barriers */
5193 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
5194 mmiowb(); /* keep prod updates ordered */
5195}
5196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005197static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
5198 union event_ring_elem *elem)
5199{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005200 u8 err = elem->message.error;
5201
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005202 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00005203 (cid < bp->cnic_eth_dev.starting_cid &&
5204 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005205 return 1;
5206
5207 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
5208
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005209 if (unlikely(err)) {
5210
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005211 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
5212 cid);
Yuval Mintz823e1d92013-01-14 05:11:47 +00005213 bnx2x_panic_dump(bp, false);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005214 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005215 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005216 return 0;
5217}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005218
Eric Dumazet1191cb82012-04-27 21:39:21 +00005219static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005220{
5221 struct bnx2x_mcast_ramrod_params rparam;
5222 int rc;
5223
5224 memset(&rparam, 0, sizeof(rparam));
5225
5226 rparam.mcast_obj = &bp->mcast_obj;
5227
5228 netif_addr_lock_bh(bp->dev);
5229
5230 /* Clear pending state for the last command */
5231 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
5232
5233 /* If there are pending mcast commands - send them */
5234 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
5235 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
5236 if (rc < 0)
5237 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
5238 rc);
5239 }
5240
5241 netif_addr_unlock_bh(bp->dev);
5242}
5243
Eric Dumazet1191cb82012-04-27 21:39:21 +00005244static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
5245 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005246{
5247 unsigned long ramrod_flags = 0;
5248 int rc = 0;
5249 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
5250 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
5251
5252 /* Always push next commands out, don't wait here */
5253 __set_bit(RAMROD_CONT, &ramrod_flags);
5254
Yuval Mintz86564c32013-01-23 03:21:50 +00005255 switch (le32_to_cpu((__force __le32)elem->message.data.eth_event.echo)
5256 >> BNX2X_SWCID_SHIFT) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005257 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00005258 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00005259 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005260 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
5261 else
Barak Witkowski15192a82012-06-19 07:48:28 +00005262 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005263
5264 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005265 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00005266 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005267 /* This is only relevant for 57710 where multicast MACs are
5268 * configured as unicast MACs using the same ramrod.
5269 */
5270 bnx2x_handle_mcast_eqe(bp);
5271 return;
5272 default:
5273 BNX2X_ERR("Unsupported classification command: %d\n",
5274 elem->message.data.eth_event.echo);
5275 return;
5276 }
5277
5278 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
5279
5280 if (rc < 0)
5281 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
5282 else if (rc > 0)
5283 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005284}
5285
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005286static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005287
Eric Dumazet1191cb82012-04-27 21:39:21 +00005288static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005289{
5290 netif_addr_lock_bh(bp->dev);
5291
5292 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5293
5294 /* Send rx_mode command again if was requested */
5295 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
5296 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005297 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
5298 &bp->sp_state))
5299 bnx2x_set_iscsi_eth_rx_mode(bp, true);
5300 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
5301 &bp->sp_state))
5302 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005303
5304 netif_addr_unlock_bh(bp->dev);
5305}
5306
Eric Dumazet1191cb82012-04-27 21:39:21 +00005307static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00005308 union event_ring_elem *elem)
5309{
5310 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
5311 DP(BNX2X_MSG_SP,
5312 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
5313 elem->message.data.vif_list_event.func_bit_map);
5314 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
5315 elem->message.data.vif_list_event.func_bit_map);
5316 } else if (elem->message.data.vif_list_event.echo ==
5317 VIF_LIST_RULE_SET) {
5318 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
5319 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
5320 }
5321}
5322
5323/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005324static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00005325{
5326 int q, rc;
5327 struct bnx2x_fastpath *fp;
5328 struct bnx2x_queue_state_params queue_params = {NULL};
5329 struct bnx2x_queue_update_params *q_update_params =
5330 &queue_params.params.update;
5331
Yuval Mintz2de67432013-01-23 03:21:43 +00005332 /* Send Q update command with afex vlan removal values for all Qs */
Barak Witkowskia3348722012-04-23 03:04:46 +00005333 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
5334
5335 /* set silent vlan removal values according to vlan mode */
5336 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
5337 &q_update_params->update_flags);
5338 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
5339 &q_update_params->update_flags);
5340 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5341
5342 /* in access mode mark mask and value are 0 to strip all vlans */
5343 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
5344 q_update_params->silent_removal_value = 0;
5345 q_update_params->silent_removal_mask = 0;
5346 } else {
5347 q_update_params->silent_removal_value =
5348 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
5349 q_update_params->silent_removal_mask = VLAN_VID_MASK;
5350 }
5351
5352 for_each_eth_queue(bp, q) {
5353 /* Set the appropriate Queue object */
5354 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00005355 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00005356
5357 /* send the ramrod */
5358 rc = bnx2x_queue_state_change(bp, &queue_params);
5359 if (rc < 0)
5360 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5361 q);
5362 }
5363
Yuval Mintzfea75642013-04-10 13:34:39 +03005364 if (!NO_FCOE(bp) && CNIC_ENABLED(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00005365 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00005366 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00005367
5368 /* clear pending completion bit */
5369 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5370
5371 /* mark latest Q bit */
Peter Zijlstra4e857c52014-03-17 18:06:10 +01005372 smp_mb__before_atomic();
Barak Witkowskia3348722012-04-23 03:04:46 +00005373 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
Peter Zijlstra4e857c52014-03-17 18:06:10 +01005374 smp_mb__after_atomic();
Barak Witkowskia3348722012-04-23 03:04:46 +00005375
5376 /* send Q update ramrod for FCoE Q */
5377 rc = bnx2x_queue_state_change(bp, &queue_params);
5378 if (rc < 0)
5379 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5380 q);
5381 } else {
5382 /* If no FCoE ring - ACK MCP now */
5383 bnx2x_link_report(bp);
5384 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5385 }
Barak Witkowskia3348722012-04-23 03:04:46 +00005386}
5387
Eric Dumazet1191cb82012-04-27 21:39:21 +00005388static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005389 struct bnx2x *bp, u32 cid)
5390{
Joe Perches94f05b02011-08-14 12:16:20 +00005391 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00005392
5393 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00005394 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005395 else
Barak Witkowski15192a82012-06-19 07:48:28 +00005396 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005397}
5398
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005399static void bnx2x_eq_int(struct bnx2x *bp)
5400{
5401 u16 hw_cons, sw_cons, sw_prod;
5402 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00005403 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005404 u32 cid;
5405 u8 opcode;
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005406 int rc, spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005407 struct bnx2x_queue_sp_obj *q_obj;
5408 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
5409 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005410
5411 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
5412
5413 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005414 * when we get the next-page we need to adjust so the loop
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005415 * condition below will be met. The next element is the size of a
5416 * regular element and hence incrementing by 1
5417 */
5418 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
5419 hw_cons++;
5420
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005421 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005422 * specific bp, thus there is no need in "paired" read memory
5423 * barrier here.
5424 */
5425 sw_cons = bp->eq_cons;
5426 sw_prod = bp->eq_prod;
5427
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005428 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005429 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005430
5431 for (; sw_cons != hw_cons;
5432 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
5433
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005434 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
5435
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005436 rc = bnx2x_iov_eq_sp_event(bp, elem);
5437 if (!rc) {
5438 DP(BNX2X_MSG_IOV, "bnx2x_iov_eq_sp_event returned %d\n",
5439 rc);
5440 goto next_spqe;
5441 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005442
Yuval Mintz86564c32013-01-23 03:21:50 +00005443 /* elem CID originates from FW; actually LE */
5444 cid = SW_CID((__force __le32)
5445 elem->message.data.cfc_del_event.cid);
5446 opcode = elem->message.opcode;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005447
5448 /* handle eq element */
5449 switch (opcode) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005450 case EVENT_RING_OPCODE_VF_PF_CHANNEL:
Yuval Mintz370d4a22014-03-23 18:12:24 +02005451 bnx2x_vf_mbx_schedule(bp,
5452 &elem->message.data.vf_pf_event);
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005453 continue;
5454
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005455 case EVENT_RING_OPCODE_STAT_QUERY:
Yuval Mintz76ca70f2014-02-12 18:19:49 +02005456 DP_AND((BNX2X_MSG_SP | BNX2X_MSG_STATS),
5457 "got statistics comp event %d\n",
5458 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005459 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005460 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005461
5462 case EVENT_RING_OPCODE_CFC_DEL:
5463 /* handle according to cid range */
5464 /*
5465 * we may want to verify here that the bp state is
5466 * HALTING
5467 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005468 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005469 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00005470
5471 if (CNIC_LOADED(bp) &&
5472 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005473 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005474
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005475 q_obj = bnx2x_cid_to_q_obj(bp, cid);
5476
5477 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
5478 break;
5479
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005480 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005481
5482 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005483 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02005484 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005485 if (f_obj->complete_cmd(bp, f_obj,
5486 BNX2X_F_CMD_TX_STOP))
5487 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005488 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005489
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005490 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005491 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02005492 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005493 if (f_obj->complete_cmd(bp, f_obj,
5494 BNX2X_F_CMD_TX_START))
5495 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005496 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005497
Barak Witkowskia3348722012-04-23 03:04:46 +00005498 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00005499 echo = elem->message.data.function_update_event.echo;
5500 if (echo == SWITCH_UPDATE) {
5501 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5502 "got FUNC_SWITCH_UPDATE ramrod\n");
5503 if (f_obj->complete_cmd(
5504 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
5505 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00005506
Merav Sicron55c11942012-11-07 00:45:48 +00005507 } else {
Yuval Mintz230bb0f2014-02-12 18:19:56 +02005508 int cmd = BNX2X_SP_RTNL_AFEX_F_UPDATE;
5509
Merav Sicron55c11942012-11-07 00:45:48 +00005510 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
5511 "AFEX: ramrod completed FUNCTION_UPDATE\n");
5512 f_obj->complete_cmd(bp, f_obj,
5513 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00005514
Merav Sicron55c11942012-11-07 00:45:48 +00005515 /* We will perform the Queues update from
5516 * sp_rtnl task as all Queue SP operations
5517 * should run under rtnl_lock.
5518 */
Yuval Mintz230bb0f2014-02-12 18:19:56 +02005519 bnx2x_schedule_sp_rtnl(bp, cmd, 0);
Merav Sicron55c11942012-11-07 00:45:48 +00005520 }
5521
Barak Witkowskia3348722012-04-23 03:04:46 +00005522 goto next_spqe;
5523
5524 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
5525 f_obj->complete_cmd(bp, f_obj,
5526 BNX2X_F_CMD_AFEX_VIFLISTS);
5527 bnx2x_after_afex_vif_lists(bp, elem);
5528 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005529 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00005530 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5531 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005532 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
5533 break;
5534
5535 goto next_spqe;
5536
5537 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00005538 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5539 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005540 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
5541 break;
5542
5543 goto next_spqe;
Michal Kalderoneeed0182014-08-17 16:47:44 +03005544
5545 case EVENT_RING_OPCODE_SET_TIMESYNC:
5546 DP(BNX2X_MSG_SP | BNX2X_MSG_PTP,
5547 "got set_timesync ramrod completion\n");
5548 if (f_obj->complete_cmd(bp, f_obj,
5549 BNX2X_F_CMD_SET_TIMESYNC))
5550 break;
5551 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005552 }
5553
5554 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005555 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5556 BNX2X_STATE_OPEN):
5557 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005558 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005559 cid = elem->message.data.eth_event.echo &
5560 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005561 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005562 cid);
5563 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005564 break;
5565
5566 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
5567 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005568 case (EVENT_RING_OPCODE_SET_MAC |
5569 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005570 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5571 BNX2X_STATE_OPEN):
5572 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5573 BNX2X_STATE_DIAG):
5574 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5575 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005576 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005577 bnx2x_handle_classification_eqe(bp, elem);
5578 break;
5579
5580 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5581 BNX2X_STATE_OPEN):
5582 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5583 BNX2X_STATE_DIAG):
5584 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5585 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005586 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005587 bnx2x_handle_mcast_eqe(bp);
5588 break;
5589
5590 case (EVENT_RING_OPCODE_FILTERS_RULES |
5591 BNX2X_STATE_OPEN):
5592 case (EVENT_RING_OPCODE_FILTERS_RULES |
5593 BNX2X_STATE_DIAG):
5594 case (EVENT_RING_OPCODE_FILTERS_RULES |
5595 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005596 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005597 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005598 break;
5599 default:
5600 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005601 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
5602 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005603 }
5604next_spqe:
5605 spqe_cnt++;
5606 } /* for */
5607
Peter Zijlstra4e857c52014-03-17 18:06:10 +01005608 smp_mb__before_atomic();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005609 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005610
5611 bp->eq_cons = sw_cons;
5612 bp->eq_prod = sw_prod;
5613 /* Make sure that above mem writes were issued towards the memory */
5614 smp_wmb();
5615
5616 /* update producer */
5617 bnx2x_update_eq_prod(bp, bp->eq_prod);
5618}
5619
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005620static void bnx2x_sp_task(struct work_struct *work)
5621{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005622 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005623
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005624 DP(BNX2X_MSG_SP, "sp task invoked\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005625
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005626 /* make sure the atomic interrupt_occurred has been written */
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005627 smp_rmb();
5628 if (atomic_read(&bp->interrupt_occurred)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005629
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005630 /* what work needs to be performed? */
5631 u16 status = bnx2x_update_dsb_idx(bp);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005632
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005633 DP(BNX2X_MSG_SP, "status %x\n", status);
5634 DP(BNX2X_MSG_SP, "setting interrupt_occurred to 0\n");
5635 atomic_set(&bp->interrupt_occurred, 0);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005636
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005637 /* HW attentions */
5638 if (status & BNX2X_DEF_SB_ATT_IDX) {
5639 bnx2x_attn_int(bp);
5640 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005641 }
Merav Sicron55c11942012-11-07 00:45:48 +00005642
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005643 /* SP events: STAT_QUERY and others */
5644 if (status & BNX2X_DEF_SB_IDX) {
5645 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005646
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005647 if (FCOE_INIT(bp) &&
5648 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5649 /* Prevent local bottom-halves from running as
5650 * we are going to change the local NAPI list.
5651 */
5652 local_bh_disable();
5653 napi_schedule(&bnx2x_fcoe(bp, napi));
5654 local_bh_enable();
5655 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005656
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005657 /* Handle EQ completions */
5658 bnx2x_eq_int(bp);
5659 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5660 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5661
5662 status &= ~BNX2X_DEF_SB_IDX;
5663 }
5664
5665 /* if status is non zero then perhaps something went wrong */
5666 if (unlikely(status))
5667 DP(BNX2X_MSG_SP,
5668 "got an unknown interrupt! (status 0x%x)\n", status);
5669
5670 /* ack status block only if something was actually handled */
5671 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5672 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005673 }
5674
Barak Witkowskia3348722012-04-23 03:04:46 +00005675 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5676 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5677 &bp->sp_state)) {
5678 bnx2x_link_report(bp);
5679 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5680 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005681}
5682
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005683irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005684{
5685 struct net_device *dev = dev_instance;
5686 struct bnx2x *bp = netdev_priv(dev);
5687
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005688 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5689 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005690
5691#ifdef BNX2X_STOP_ON_ERROR
5692 if (unlikely(bp->panic))
5693 return IRQ_HANDLED;
5694#endif
5695
Merav Sicron55c11942012-11-07 00:45:48 +00005696 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005697 struct cnic_ops *c_ops;
5698
5699 rcu_read_lock();
5700 c_ops = rcu_dereference(bp->cnic_ops);
5701 if (c_ops)
5702 c_ops->cnic_handler(bp->cnic_data, NULL);
5703 rcu_read_unlock();
5704 }
Merav Sicron55c11942012-11-07 00:45:48 +00005705
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005706 /* schedule sp task to perform default status block work, ack
5707 * attentions and enable interrupts.
5708 */
5709 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005710
5711 return IRQ_HANDLED;
5712}
5713
5714/* end of slow path */
5715
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005716void bnx2x_drv_pulse(struct bnx2x *bp)
5717{
5718 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5719 bp->fw_drv_pulse_wr_seq);
5720}
5721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005722static void bnx2x_timer(unsigned long data)
5723{
5724 struct bnx2x *bp = (struct bnx2x *) data;
5725
5726 if (!netif_running(bp->dev))
5727 return;
5728
Ariel Elior67c431a2013-01-01 05:22:36 +00005729 if (IS_PF(bp) &&
5730 !BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005731 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein4c868662013-09-23 10:12:50 +03005732 u16 drv_pulse;
5733 u16 mcp_pulse;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005734
5735 ++bp->fw_drv_pulse_wr_seq;
5736 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005737 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005738 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005739
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005740 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005741 MCP_PULSE_SEQ_MASK);
5742 /* The delta between driver pulse and mcp response
Eilon Greenstein4c868662013-09-23 10:12:50 +03005743 * should not get too big. If the MFW is more than 5 pulses
5744 * behind, we should worry about it enough to generate an error
5745 * log.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005746 */
Eilon Greenstein4c868662013-09-23 10:12:50 +03005747 if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5)
5748 BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005749 drv_pulse, mcp_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005750 }
5751
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005752 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005753 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005754
Ariel Eliorabc5a022013-01-01 05:22:43 +00005755 /* sample pf vf bulletin board for new posts from pf */
Yuval Mintz371734882013-06-24 11:04:10 +03005756 if (IS_VF(bp))
5757 bnx2x_timer_sriov(bp);
Ariel Elior78c3bcc2013-06-20 17:39:08 +03005758
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005759 mod_timer(&bp->timer, jiffies + bp->current_interval);
5760}
5761
5762/* end of Statistics */
5763
5764/* nic init */
5765
5766/*
5767 * nic init service functions
5768 */
5769
Eric Dumazet1191cb82012-04-27 21:39:21 +00005770static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005771{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005772 u32 i;
5773 if (!(len%4) && !(addr%4))
5774 for (i = 0; i < len; i += 4)
5775 REG_WR(bp, addr + i, fill);
5776 else
5777 for (i = 0; i < len; i++)
5778 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005779}
5780
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005781/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005782static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5783 int fw_sb_id,
5784 u32 *sb_data_p,
5785 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005786{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005787 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005788 for (index = 0; index < data_size; index++)
5789 REG_WR(bp, BAR_CSTRORM_INTMEM +
5790 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5791 sizeof(u32)*index,
5792 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005793}
5794
Eric Dumazet1191cb82012-04-27 21:39:21 +00005795static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005796{
5797 u32 *sb_data_p;
5798 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005799 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005800 struct hc_status_block_data_e1x sb_data_e1x;
5801
5802 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005803 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005804 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005805 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005806 sb_data_e2.common.p_func.vf_valid = false;
5807 sb_data_p = (u32 *)&sb_data_e2;
5808 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5809 } else {
5810 memset(&sb_data_e1x, 0,
5811 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005812 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005813 sb_data_e1x.common.p_func.vf_valid = false;
5814 sb_data_p = (u32 *)&sb_data_e1x;
5815 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5816 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005817 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5818
5819 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5820 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5821 CSTORM_STATUS_BLOCK_SIZE);
5822 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5823 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5824 CSTORM_SYNC_BLOCK_SIZE);
5825}
5826
5827/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005828static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005829 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005830{
5831 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005832 int i;
5833 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5834 REG_WR(bp, BAR_CSTRORM_INTMEM +
5835 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5836 i*sizeof(u32),
5837 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005838}
5839
Eric Dumazet1191cb82012-04-27 21:39:21 +00005840static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005841{
5842 int func = BP_FUNC(bp);
5843 struct hc_sp_status_block_data sp_sb_data;
5844 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5845
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005846 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005847 sp_sb_data.p_func.vf_valid = false;
5848
5849 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5850
5851 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5852 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5853 CSTORM_SP_STATUS_BLOCK_SIZE);
5854 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5855 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5856 CSTORM_SP_SYNC_BLOCK_SIZE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005857}
5858
Eric Dumazet1191cb82012-04-27 21:39:21 +00005859static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005860 int igu_sb_id, int igu_seg_id)
5861{
5862 hc_sm->igu_sb_id = igu_sb_id;
5863 hc_sm->igu_seg_id = igu_seg_id;
5864 hc_sm->timer_value = 0xFF;
5865 hc_sm->time_to_expire = 0xFFFFFFFF;
5866}
5867
David S. Miller8decf862011-09-22 03:23:13 -04005868/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005869static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005870{
5871 /* zero out state machine indices */
5872 /* rx indices */
5873 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5874
5875 /* tx indices */
5876 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5877 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5878 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5879 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5880
5881 /* map indices */
5882 /* rx indices */
5883 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5884 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5885
5886 /* tx indices */
5887 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5888 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5889 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5890 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5891 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5892 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5893 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5894 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5895}
5896
Ariel Eliorb93288d2013-01-01 05:22:35 +00005897void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005898 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5899{
5900 int igu_seg_id;
5901
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005902 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005903 struct hc_status_block_data_e1x sb_data_e1x;
5904 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005905 int data_size;
5906 u32 *sb_data_p;
5907
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005908 if (CHIP_INT_MODE_IS_BC(bp))
5909 igu_seg_id = HC_SEG_ACCESS_NORM;
5910 else
5911 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005912
5913 bnx2x_zero_fp_sb(bp, fw_sb_id);
5914
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005915 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005916 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005917 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005918 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5919 sb_data_e2.common.p_func.vf_id = vfid;
5920 sb_data_e2.common.p_func.vf_valid = vf_valid;
5921 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5922 sb_data_e2.common.same_igu_sb_1b = true;
5923 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5924 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5925 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005926 sb_data_p = (u32 *)&sb_data_e2;
5927 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005928 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005929 } else {
5930 memset(&sb_data_e1x, 0,
5931 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005932 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005933 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5934 sb_data_e1x.common.p_func.vf_id = 0xff;
5935 sb_data_e1x.common.p_func.vf_valid = false;
5936 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5937 sb_data_e1x.common.same_igu_sb_1b = true;
5938 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5939 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5940 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005941 sb_data_p = (u32 *)&sb_data_e1x;
5942 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005943 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005944 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005945
5946 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5947 igu_sb_id, igu_seg_id);
5948 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5949 igu_sb_id, igu_seg_id);
5950
Merav Sicron51c1a582012-03-18 10:33:38 +00005951 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005952
Yuval Mintz86564c32013-01-23 03:21:50 +00005953 /* write indices to HW - PCI guarantees endianity of regpairs */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005954 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5955}
5956
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005957static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005958 u16 tx_usec, u16 rx_usec)
5959{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005960 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005961 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005962 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5963 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5964 tx_usec);
5965 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5966 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5967 tx_usec);
5968 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5969 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5970 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005971}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005972
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005973static void bnx2x_init_def_sb(struct bnx2x *bp)
5974{
5975 struct host_sp_status_block *def_sb = bp->def_status_blk;
5976 dma_addr_t mapping = bp->def_status_blk_mapping;
5977 int igu_sp_sb_index;
5978 int igu_seg_id;
5979 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005980 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005981 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005982 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005983 int index;
5984 struct hc_sp_status_block_data sp_sb_data;
5985 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5986
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005987 if (CHIP_INT_MODE_IS_BC(bp)) {
5988 igu_sp_sb_index = DEF_SB_IGU_ID;
5989 igu_seg_id = HC_SEG_ACCESS_DEF;
5990 } else {
5991 igu_sp_sb_index = bp->igu_dsb_id;
5992 igu_seg_id = IGU_SEG_ACCESS_DEF;
5993 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994
5995 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005996 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005997 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005998 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999
Eliezer Tamir49d66772008-02-28 11:53:13 -08006000 bp->attn_state = 0;
6001
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6003 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04006004 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
6005 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006006 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006007 int sindex;
6008 /* take care of sig[0]..sig[4] */
6009 for (sindex = 0; sindex < 4; sindex++)
6010 bp->attn_group[index].sig[sindex] =
6011 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006012
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006013 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006014 /*
6015 * enable5 is separate from the rest of the registers,
6016 * and therefore the address skip is 4
6017 * and not 16 between the different groups
6018 */
6019 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04006020 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006021 else
6022 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023 }
6024
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006025 if (bp->common.int_block == INT_BLOCK_HC) {
6026 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
6027 HC_REG_ATTN_MSG0_ADDR_L);
6028
6029 REG_WR(bp, reg_offset, U64_LO(section));
6030 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006031 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006032 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
6033 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
6034 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006036 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
6037 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006039 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006040
Yuval Mintz86564c32013-01-23 03:21:50 +00006041 /* PCI guarantees endianity of regpairs */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006042 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006043 sp_sb_data.host_sb_addr.lo = U64_LO(section);
6044 sp_sb_data.host_sb_addr.hi = U64_HI(section);
6045 sp_sb_data.igu_sb_id = igu_sp_sb_index;
6046 sp_sb_data.igu_seg_id = igu_seg_id;
6047 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006048 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006049 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006051 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006053 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054}
6055
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006056void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006058 int i;
6059
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006060 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006061 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07006062 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063}
6064
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006065static void bnx2x_init_sp_ring(struct bnx2x *bp)
6066{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006067 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006068 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006070 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006071 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
6072 bp->spq_prod_bd = bp->spq;
6073 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074}
6075
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006076static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077{
6078 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006079 for (i = 1; i <= NUM_EQ_PAGES; i++) {
6080 union event_ring_elem *elem =
6081 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006083 elem->next_page.addr.hi =
6084 cpu_to_le32(U64_HI(bp->eq_mapping +
6085 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
6086 elem->next_page.addr.lo =
6087 cpu_to_le32(U64_LO(bp->eq_mapping +
6088 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006090 bp->eq_cons = 0;
6091 bp->eq_prod = NUM_EQ_DESC;
6092 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Yuval Mintz16a5fd92013-06-02 00:06:18 +00006093 /* we want a warning message before it gets wrought... */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006094 atomic_set(&bp->eq_spq_left,
6095 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096}
6097
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006098/* called with netif_addr_lock_bh() */
stephen hemmingera8f47eb2014-01-09 22:20:11 -08006099static int bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
6100 unsigned long rx_mode_flags,
6101 unsigned long rx_accept_flags,
6102 unsigned long tx_accept_flags,
6103 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00006104{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006105 struct bnx2x_rx_mode_ramrod_params ramrod_param;
6106 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00006107
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006108 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00006109
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006110 /* Prepare ramrod parameters */
6111 ramrod_param.cid = 0;
6112 ramrod_param.cl_id = cl_id;
6113 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
6114 ramrod_param.func_id = BP_FUNC(bp);
6115
6116 ramrod_param.pstate = &bp->sp_state;
6117 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
6118
6119 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
6120 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
6121
6122 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
6123
6124 ramrod_param.ramrod_flags = ramrod_flags;
6125 ramrod_param.rx_mode_flags = rx_mode_flags;
6126
6127 ramrod_param.rx_accept_flags = rx_accept_flags;
6128 ramrod_param.tx_accept_flags = tx_accept_flags;
6129
6130 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
6131 if (rc < 0) {
6132 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
Yuval Mintz924d75a2013-01-23 03:21:44 +00006133 return rc;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006134 }
Yuval Mintz924d75a2013-01-23 03:21:44 +00006135
6136 return 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006137}
6138
Yuval Mintz86564c32013-01-23 03:21:50 +00006139static int bnx2x_fill_accept_flags(struct bnx2x *bp, u32 rx_mode,
6140 unsigned long *rx_accept_flags,
6141 unsigned long *tx_accept_flags)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006142{
Yuval Mintz924d75a2013-01-23 03:21:44 +00006143 /* Clear the flags first */
6144 *rx_accept_flags = 0;
6145 *tx_accept_flags = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006146
Yuval Mintz924d75a2013-01-23 03:21:44 +00006147 switch (rx_mode) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006148 case BNX2X_RX_MODE_NONE:
6149 /*
6150 * 'drop all' supersedes any accept flags that may have been
6151 * passed to the function.
6152 */
6153 break;
6154 case BNX2X_RX_MODE_NORMAL:
Yuval Mintz924d75a2013-01-23 03:21:44 +00006155 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6156 __set_bit(BNX2X_ACCEPT_MULTICAST, rx_accept_flags);
6157 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006158
6159 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00006160 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
6161 __set_bit(BNX2X_ACCEPT_MULTICAST, tx_accept_flags);
6162 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006163
6164 break;
6165 case BNX2X_RX_MODE_ALLMULTI:
Yuval Mintz924d75a2013-01-23 03:21:44 +00006166 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6167 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
6168 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006169
6170 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00006171 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
6172 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
6173 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006174
6175 break;
6176 case BNX2X_RX_MODE_PROMISC:
Yuval Mintz16a5fd92013-06-02 00:06:18 +00006177 /* According to definition of SI mode, iface in promisc mode
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006178 * should receive matched and unmatched (in resolution of port)
6179 * unicast packets.
6180 */
Yuval Mintz924d75a2013-01-23 03:21:44 +00006181 __set_bit(BNX2X_ACCEPT_UNMATCHED, rx_accept_flags);
6182 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6183 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
6184 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006185
6186 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00006187 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
6188 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006189
6190 if (IS_MF_SI(bp))
Yuval Mintz924d75a2013-01-23 03:21:44 +00006191 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006192 else
Yuval Mintz924d75a2013-01-23 03:21:44 +00006193 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006194
6195 break;
6196 default:
Yuval Mintz924d75a2013-01-23 03:21:44 +00006197 BNX2X_ERR("Unknown rx_mode: %d\n", rx_mode);
6198 return -EINVAL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006199 }
6200
Yuval Mintz924d75a2013-01-23 03:21:44 +00006201 /* Set ACCEPT_ANY_VLAN as we do not enable filtering by VLAN */
Yuval Mintz0c23ad32014-08-17 16:47:45 +03006202 if (rx_mode != BNX2X_RX_MODE_NONE) {
Yuval Mintz924d75a2013-01-23 03:21:44 +00006203 __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
6204 __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006205 }
6206
Yuval Mintz924d75a2013-01-23 03:21:44 +00006207 return 0;
6208}
6209
6210/* called with netif_addr_lock_bh() */
stephen hemmingera8f47eb2014-01-09 22:20:11 -08006211static int bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Yuval Mintz924d75a2013-01-23 03:21:44 +00006212{
6213 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
6214 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
6215 int rc;
6216
6217 if (!NO_FCOE(bp))
6218 /* Configure rx_mode of FCoE Queue */
6219 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
6220
6221 rc = bnx2x_fill_accept_flags(bp, bp->rx_mode, &rx_accept_flags,
6222 &tx_accept_flags);
6223 if (rc)
6224 return rc;
6225
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006226 __set_bit(RAMROD_RX, &ramrod_flags);
6227 __set_bit(RAMROD_TX, &ramrod_flags);
6228
Yuval Mintz924d75a2013-01-23 03:21:44 +00006229 return bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags,
6230 rx_accept_flags, tx_accept_flags,
6231 ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006232}
6233
Eilon Greenstein471de712008-08-13 15:49:35 -07006234static void bnx2x_init_internal_common(struct bnx2x *bp)
6235{
6236 int i;
6237
6238 /* Zero this manually as its initialization is
6239 currently missing in the initTool */
6240 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
6241 REG_WR(bp, BAR_USTRORM_INTMEM +
6242 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006243 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006244 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
6245 CHIP_INT_MODE_IS_BC(bp) ?
6246 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
6247 }
Eilon Greenstein471de712008-08-13 15:49:35 -07006248}
6249
Eilon Greenstein471de712008-08-13 15:49:35 -07006250static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
6251{
6252 switch (load_code) {
6253 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006254 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07006255 bnx2x_init_internal_common(bp);
6256 /* no break */
6257
6258 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006259 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07006260 /* no break */
6261
6262 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006263 /* internal memory per function is
6264 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07006265 break;
6266
6267 default:
6268 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
6269 break;
6270 }
6271}
6272
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006273static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
6274{
Merav Sicron55c11942012-11-07 00:45:48 +00006275 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006276}
6277
6278static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
6279{
Merav Sicron55c11942012-11-07 00:45:48 +00006280 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006281}
6282
Eric Dumazet1191cb82012-04-27 21:39:21 +00006283static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006284{
6285 if (CHIP_IS_E1x(fp->bp))
6286 return BP_L_ID(fp->bp) + fp->index;
6287 else /* We want Client ID to be the same as IGU SB ID for 57712 */
6288 return bnx2x_fp_igu_sb_id(fp);
6289}
6290
Ariel Elior6383c0b2011-07-14 08:31:57 +00006291static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006292{
6293 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00006294 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006295 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00006296 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00006297 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006298 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006299 fp->cl_id = bnx2x_fp_cl_id(fp);
6300 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
6301 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006302 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006303 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
6304
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006305 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006306 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00006307
Yuval Mintz16a5fd92013-06-02 00:06:18 +00006308 /* Setup SB indices */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006309 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006311 /* Configure Queue State object */
6312 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
6313 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00006314
6315 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
6316
6317 /* init tx data */
6318 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00006319 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
6320 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
6321 FP_COS_TO_TXQ(fp, cos, bp),
6322 BNX2X_TX_SB_INDEX_BASE + cos, fp);
6323 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00006324 }
6325
Ariel Eliorad5afc82013-01-01 05:22:26 +00006326 /* nothing more for vf to do here */
6327 if (IS_VF(bp))
6328 return;
6329
6330 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
6331 fp->fw_sb_id, fp->igu_sb_id);
6332 bnx2x_update_fpsb_idx(fp);
Barak Witkowski15192a82012-06-19 07:48:28 +00006333 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
6334 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00006335 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006336
6337 /**
6338 * Configure classification DBs: Always enable Tx switching
6339 */
6340 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
6341
Ariel Eliorad5afc82013-01-01 05:22:26 +00006342 DP(NETIF_MSG_IFUP,
6343 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
6344 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
6345 fp->igu_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006346}
6347
Eric Dumazet1191cb82012-04-27 21:39:21 +00006348static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
6349{
6350 int i;
6351
6352 for (i = 1; i <= NUM_TX_RINGS; i++) {
6353 struct eth_tx_next_bd *tx_next_bd =
6354 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
6355
6356 tx_next_bd->addr_hi =
6357 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
6358 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6359 tx_next_bd->addr_lo =
6360 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
6361 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6362 }
6363
Yuval Mintz639d65b2013-06-02 00:06:21 +00006364 *txdata->tx_cons_sb = cpu_to_le16(0);
6365
Eric Dumazet1191cb82012-04-27 21:39:21 +00006366 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
6367 txdata->tx_db.data.zero_fill1 = 0;
6368 txdata->tx_db.data.prod = 0;
6369
6370 txdata->tx_pkt_prod = 0;
6371 txdata->tx_pkt_cons = 0;
6372 txdata->tx_bd_prod = 0;
6373 txdata->tx_bd_cons = 0;
6374 txdata->tx_pkt = 0;
6375}
6376
Merav Sicron55c11942012-11-07 00:45:48 +00006377static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
6378{
6379 int i;
6380
6381 for_each_tx_queue_cnic(bp, i)
6382 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
6383}
Yuval Mintzd76a6112013-06-02 00:06:17 +00006384
Eric Dumazet1191cb82012-04-27 21:39:21 +00006385static void bnx2x_init_tx_rings(struct bnx2x *bp)
6386{
6387 int i;
6388 u8 cos;
6389
Merav Sicron55c11942012-11-07 00:45:48 +00006390 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00006391 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00006392 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00006393}
6394
stephen hemmingera8f47eb2014-01-09 22:20:11 -08006395static void bnx2x_init_fcoe_fp(struct bnx2x *bp)
6396{
6397 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
6398 unsigned long q_type = 0;
6399
6400 bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp);
6401 bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp,
6402 BNX2X_FCOE_ETH_CL_ID_IDX);
6403 bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID(bp);
6404 bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
6405 bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
6406 bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
6407 bnx2x_init_txdata(bp, bnx2x_fcoe(bp, txdata_ptr[0]),
6408 fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX,
6409 fp);
6410
6411 DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index);
6412
6413 /* qZone id equals to FW (per path) client id */
6414 bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
6415 /* init shortcut */
6416 bnx2x_fcoe(bp, ustorm_rx_prods_offset) =
6417 bnx2x_rx_ustorm_prods_offset(fp);
6418
6419 /* Configure Queue State object */
6420 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
6421 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
6422
6423 /* No multi-CoS for FCoE L2 client */
6424 BUG_ON(fp->max_cos != 1);
6425
6426 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id,
6427 &fp->cid, 1, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
6428 bnx2x_sp_mapping(bp, q_rdata), q_type);
6429
6430 DP(NETIF_MSG_IFUP,
6431 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
6432 fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
6433 fp->igu_sb_id);
6434}
6435
Merav Sicron55c11942012-11-07 00:45:48 +00006436void bnx2x_nic_init_cnic(struct bnx2x *bp)
6437{
6438 if (!NO_FCOE(bp))
6439 bnx2x_init_fcoe_fp(bp);
6440
6441 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
6442 BNX2X_VF_ID_INVALID, false,
6443 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
6444
6445 /* ensure status block indices were read */
6446 rmb();
6447 bnx2x_init_rx_rings_cnic(bp);
6448 bnx2x_init_tx_rings_cnic(bp);
6449
6450 /* flush all */
6451 mb();
6452 mmiowb();
6453}
6454
Yuval Mintzecf01c22013-04-22 02:53:03 +00006455void bnx2x_pre_irq_nic_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006456{
6457 int i;
6458
Yuval Mintzecf01c22013-04-22 02:53:03 +00006459 /* Setup NIC internals and enable interrupts */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006460 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00006461 bnx2x_init_eth_fp(bp, i);
Ariel Eliorad5afc82013-01-01 05:22:26 +00006462
6463 /* ensure status block indices were read */
6464 rmb();
6465 bnx2x_init_rx_rings(bp);
6466 bnx2x_init_tx_rings(bp);
6467
Yuval Mintzecf01c22013-04-22 02:53:03 +00006468 if (IS_PF(bp)) {
6469 /* Initialize MOD_ABS interrupts */
6470 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
6471 bp->common.shmem_base,
6472 bp->common.shmem2_base, BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00006473
Yuval Mintzecf01c22013-04-22 02:53:03 +00006474 /* initialize the default status block and sp ring */
6475 bnx2x_init_def_sb(bp);
6476 bnx2x_update_dsb_idx(bp);
6477 bnx2x_init_sp_ring(bp);
Yuval Mintz3cdeec22013-06-02 00:06:19 +00006478 } else {
6479 bnx2x_memset_stats(bp);
Yuval Mintzecf01c22013-04-22 02:53:03 +00006480 }
6481}
Eilon Greenstein16119782009-03-02 07:59:27 +00006482
Yuval Mintzecf01c22013-04-22 02:53:03 +00006483void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code)
6484{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006485 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07006486 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006487 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006488 bnx2x_stats_init(bp);
6489
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006490 /* flush all before enabling interrupts */
6491 mb();
6492 mmiowb();
6493
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006494 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00006495
6496 /* Check for SPIO5 */
6497 bnx2x_attn_int_deasserted0(bp,
6498 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
6499 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006500}
6501
Yuval Mintzecf01c22013-04-22 02:53:03 +00006502/* gzip service functions */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006503static int bnx2x_gunzip_init(struct bnx2x *bp)
6504{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006505 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
6506 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006507 if (bp->gunzip_buf == NULL)
6508 goto gunzip_nomem1;
6509
6510 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
6511 if (bp->strm == NULL)
6512 goto gunzip_nomem2;
6513
David S. Miller7ab24bf2011-06-29 05:48:41 -07006514 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515 if (bp->strm->workspace == NULL)
6516 goto gunzip_nomem3;
6517
6518 return 0;
6519
6520gunzip_nomem3:
6521 kfree(bp->strm);
6522 bp->strm = NULL;
6523
6524gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006525 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6526 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006527 bp->gunzip_buf = NULL;
6528
6529gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00006530 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006531 return -ENOMEM;
6532}
6533
6534static void bnx2x_gunzip_end(struct bnx2x *bp)
6535{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006536 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07006537 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006538 kfree(bp->strm);
6539 bp->strm = NULL;
6540 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006541
6542 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006543 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6544 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006545 bp->gunzip_buf = NULL;
6546 }
6547}
6548
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006549static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006550{
6551 int n, rc;
6552
6553 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006554 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
6555 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006556 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006557 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006558
6559 n = 10;
6560
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006561#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006562
6563 if (zbuf[3] & FNAME)
6564 while ((zbuf[n++] != 0) && (n < len));
6565
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006566 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006567 bp->strm->avail_in = len - n;
6568 bp->strm->next_out = bp->gunzip_buf;
6569 bp->strm->avail_out = FW_BUF_SIZE;
6570
6571 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
6572 if (rc != Z_OK)
6573 return rc;
6574
6575 rc = zlib_inflate(bp->strm, Z_FINISH);
6576 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00006577 netdev_err(bp->dev, "Firmware decompression error: %s\n",
6578 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006579
6580 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
6581 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00006582 netdev_err(bp->dev,
6583 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006584 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006585 bp->gunzip_outlen >>= 2;
6586
6587 zlib_inflateEnd(bp->strm);
6588
6589 if (rc == Z_STREAM_END)
6590 return 0;
6591
6592 return rc;
6593}
6594
6595/* nic load/unload */
6596
6597/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006598 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006599 */
6600
6601/* send a NIG loopback debug packet */
6602static void bnx2x_lb_pckt(struct bnx2x *bp)
6603{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006604 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006605
6606 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006607 wb_write[0] = 0x55555555;
6608 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006609 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006610 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006611
6612 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006613 wb_write[0] = 0x09000000;
6614 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006615 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006616 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006617}
6618
6619/* some of the internal memories
6620 * are not directly readable from the driver
6621 * to test them we send debug packets
6622 */
6623static int bnx2x_int_mem_test(struct bnx2x *bp)
6624{
6625 int factor;
6626 int count, i;
6627 u32 val = 0;
6628
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006629 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006630 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006631 else if (CHIP_REV_IS_EMUL(bp))
6632 factor = 200;
6633 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006634 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006635
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006636 /* Disable inputs of parser neighbor blocks */
6637 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6638 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6639 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006640 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006641
6642 /* Write 0 to parser credits for CFC search request */
6643 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6644
6645 /* send Ethernet packet */
6646 bnx2x_lb_pckt(bp);
6647
6648 /* TODO do i reset NIG statistic? */
6649 /* Wait until NIG register shows 1 packet of size 0x10 */
6650 count = 1000 * factor;
6651 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006652
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006653 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6654 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006655 if (val == 0x10)
6656 break;
6657
Yuval Mintz639d65b2013-06-02 00:06:21 +00006658 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006659 count--;
6660 }
6661 if (val != 0x10) {
6662 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6663 return -1;
6664 }
6665
6666 /* Wait until PRS register shows 1 packet */
6667 count = 1000 * factor;
6668 while (count) {
6669 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006670 if (val == 1)
6671 break;
6672
Yuval Mintz639d65b2013-06-02 00:06:21 +00006673 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006674 count--;
6675 }
6676 if (val != 0x1) {
6677 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6678 return -2;
6679 }
6680
6681 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006683 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006684 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006685 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006686 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6687 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006688
6689 DP(NETIF_MSG_HW, "part2\n");
6690
6691 /* Disable inputs of parser neighbor blocks */
6692 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6693 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6694 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006695 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006696
6697 /* Write 0 to parser credits for CFC search request */
6698 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6699
6700 /* send 10 Ethernet packets */
6701 for (i = 0; i < 10; i++)
6702 bnx2x_lb_pckt(bp);
6703
6704 /* Wait until NIG register shows 10 + 1
6705 packets of size 11*0x10 = 0xb0 */
6706 count = 1000 * factor;
6707 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006708
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006709 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6710 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006711 if (val == 0xb0)
6712 break;
6713
Yuval Mintz639d65b2013-06-02 00:06:21 +00006714 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006715 count--;
6716 }
6717 if (val != 0xb0) {
6718 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6719 return -3;
6720 }
6721
6722 /* Wait until PRS register shows 2 packets */
6723 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6724 if (val != 2)
6725 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6726
6727 /* Write 1 to parser credits for CFC search request */
6728 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6729
6730 /* Wait until PRS register shows 3 packets */
6731 msleep(10 * factor);
6732 /* Wait until NIG register shows 1 packet of size 0x10 */
6733 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6734 if (val != 3)
6735 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6736
6737 /* clear NIG EOP FIFO */
6738 for (i = 0; i < 11; i++)
6739 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6740 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6741 if (val != 1) {
6742 BNX2X_ERR("clear of NIG failed\n");
6743 return -4;
6744 }
6745
6746 /* Reset and init BRB, PRS, NIG */
6747 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6748 msleep(50);
6749 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6750 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006751 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6752 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006753 if (!CNIC_SUPPORT(bp))
6754 /* set NIC mode */
6755 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006756
6757 /* Enable inputs of parser neighbor blocks */
6758 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6759 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6760 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006761 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006762
6763 DP(NETIF_MSG_HW, "done\n");
6764
6765 return 0; /* OK */
6766}
6767
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006768static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006769{
Yuval Mintzb343d002012-12-02 04:05:53 +00006770 u32 val;
6771
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006772 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006773 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006774 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6775 else
6776 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006777 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6778 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006779 /*
6780 * mask read length error interrupts in brb for parser
6781 * (parsing unit and 'checksum and crc' unit)
6782 * these errors are legal (PU reads fixed length and CAC can cause
6783 * read length error on truncated packets)
6784 */
6785 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006786 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6787 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6788 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6789 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6790 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006791/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6792/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006793 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6794 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6795 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006796/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6797/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006798 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6799 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6800 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6801 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006802/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6803/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006804
Yuval Mintzb343d002012-12-02 04:05:53 +00006805 val = PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT |
6806 PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF |
6807 PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN;
6808 if (!CHIP_IS_E1x(bp))
6809 val |= PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED |
6810 PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED;
6811 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, val);
6812
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006813 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6814 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6815 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006816/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006817
6818 if (!CHIP_IS_E1x(bp))
6819 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6820 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6821
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006822 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6823 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006824/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006825 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006826}
6827
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006828static void bnx2x_reset_common(struct bnx2x *bp)
6829{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006830 u32 val = 0x1400;
6831
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006832 /* reset_common */
6833 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6834 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006835
6836 if (CHIP_IS_E3(bp)) {
6837 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6838 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6839 }
6840
6841 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6842}
6843
6844static void bnx2x_setup_dmae(struct bnx2x *bp)
6845{
6846 bp->dmae_ready = 0;
6847 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006848}
6849
Eilon Greenstein573f2032009-08-12 08:24:14 +00006850static void bnx2x_init_pxp(struct bnx2x *bp)
6851{
6852 u16 devctl;
6853 int r_order, w_order;
6854
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006855 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006856 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6857 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6858 if (bp->mrrs == -1)
6859 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6860 else {
6861 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6862 r_order = bp->mrrs;
6863 }
6864
6865 bnx2x_init_pxp_arb(bp, r_order, w_order);
6866}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006867
6868static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006870 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006871 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006872 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006873
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006874 if (BP_NOMCP(bp))
6875 return;
6876
6877 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006878 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6879 SHARED_HW_CFG_FAN_FAILURE_MASK;
6880
6881 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6882 is_required = 1;
6883
6884 /*
6885 * The fan failure mechanism is usually related to the PHY type since
6886 * the power consumption of the board is affected by the PHY. Currently,
6887 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6888 */
6889 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6890 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006891 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006892 bnx2x_fan_failure_det_req(
6893 bp,
6894 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006895 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006896 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006897 }
6898
6899 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6900
6901 if (is_required == 0)
6902 return;
6903
6904 /* Fan failure is indicated by SPIO 5 */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006905 bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006906
6907 /* set to active low mode */
6908 val = REG_RD(bp, MISC_REG_SPIO_INT);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006909 val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006910 REG_WR(bp, MISC_REG_SPIO_INT, val);
6911
6912 /* enable interrupt to signal the IGU */
6913 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006914 val |= MISC_SPIO_SPIO5;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006915 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6916}
6917
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006918void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006919{
6920 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6921 val &= ~IGU_PF_CONF_FUNC_EN;
6922
6923 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6924 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6925 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6926}
6927
Eric Dumazet1191cb82012-04-27 21:39:21 +00006928static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006929{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006930 u32 shmem_base[2], shmem2_base[2];
Yaniv Rosnerb884d952012-11-27 03:46:28 +00006931 /* Avoid common init in case MFW supports LFA */
6932 if (SHMEM2_RD(bp, size) >
6933 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6934 return;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006935 shmem_base[0] = bp->common.shmem_base;
6936 shmem2_base[0] = bp->common.shmem2_base;
6937 if (!CHIP_IS_E1x(bp)) {
6938 shmem_base[1] =
6939 SHMEM2_RD(bp, other_shmem_base_addr);
6940 shmem2_base[1] =
6941 SHMEM2_RD(bp, other_shmem2_base_addr);
6942 }
6943 bnx2x_acquire_phy_lock(bp);
6944 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6945 bp->common.chip_id);
6946 bnx2x_release_phy_lock(bp);
6947}
6948
Manish Chopra04860eb2014-09-02 04:31:25 -04006949static void bnx2x_config_endianity(struct bnx2x *bp, u32 val)
6950{
6951 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, val);
6952 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, val);
6953 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, val);
6954 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, val);
6955 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, val);
6956
6957 /* make sure this value is 0 */
6958 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
6959
6960 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, val);
6961 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, val);
6962 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, val);
6963 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, val);
6964}
6965
6966static void bnx2x_set_endianity(struct bnx2x *bp)
6967{
6968#ifdef __BIG_ENDIAN
6969 bnx2x_config_endianity(bp, 1);
6970#else
6971 bnx2x_config_endianity(bp, 0);
6972#endif
6973}
6974
6975static void bnx2x_reset_endianity(struct bnx2x *bp)
6976{
6977 bnx2x_config_endianity(bp, 0);
6978}
6979
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006980/**
6981 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6982 *
6983 * @bp: driver handle
6984 */
6985static int bnx2x_init_hw_common(struct bnx2x *bp)
6986{
6987 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006988
Merav Sicron51c1a582012-03-18 10:33:38 +00006989 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006990
David S. Miller823dcd22011-08-20 10:39:12 -07006991 /*
Yuval Mintz2de67432013-01-23 03:21:43 +00006992 * take the RESET lock to protect undi_unload flow from accessing
David S. Miller823dcd22011-08-20 10:39:12 -07006993 * registers while we're resetting the chip
6994 */
David S. Miller8decf862011-09-22 03:23:13 -04006995 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006996
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006997 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006998 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006999
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007000 val = 0xfffc;
7001 if (CHIP_IS_E3(bp)) {
7002 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
7003 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
7004 }
7005 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007006
David S. Miller8decf862011-09-22 03:23:13 -04007007 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07007008
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007009 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
7010
7011 if (!CHIP_IS_E1x(bp)) {
7012 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007013
7014 /**
7015 * 4-port mode or 2-port mode we need to turn of master-enable
7016 * for everyone, after that, turn it back on for self.
7017 * so, we disregard multi-function or not, and always disable
7018 * for all functions on the given path, this means 0,2,4,6 for
7019 * path 0 and 1,3,5,7 for path 1
7020 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007021 for (abs_func_id = BP_PATH(bp);
7022 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
7023 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007024 REG_WR(bp,
7025 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
7026 1);
7027 continue;
7028 }
7029
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007030 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007031 /* clear pf enable */
7032 bnx2x_pf_disable(bp);
7033 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
7034 }
7035 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007036
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007037 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007038 if (CHIP_IS_E1(bp)) {
7039 /* enable HW interrupt from PXP on USDM overflow
7040 bit 16 on INT_MASK_0 */
7041 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007042 }
7043
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007044 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007045 bnx2x_init_pxp(bp);
Manish Chopra04860eb2014-09-02 04:31:25 -04007046 bnx2x_set_endianity(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007047 bnx2x_ilt_init_page_size(bp, INITOP_SET);
7048
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007049 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
7050 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007052 /* let the HW do it's magic ... */
7053 msleep(100);
7054 /* finish PXP init */
7055 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
7056 if (val != 1) {
7057 BNX2X_ERR("PXP2 CFG failed\n");
7058 return -EBUSY;
7059 }
7060 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
7061 if (val != 1) {
7062 BNX2X_ERR("PXP2 RD_INIT failed\n");
7063 return -EBUSY;
7064 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007065
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007066 /* Timers bug workaround E2 only. We need to set the entire ILT to
7067 * have entries with value "0" and valid bit on.
7068 * This needs to be done by the first PF that is loaded in a path
7069 * (i.e. common phase)
7070 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007071 if (!CHIP_IS_E1x(bp)) {
7072/* In E2 there is a bug in the timers block that can cause function 6 / 7
7073 * (i.e. vnic3) to start even if it is marked as "scan-off".
7074 * This occurs when a different function (func2,3) is being marked
7075 * as "scan-off". Real-life scenario for example: if a driver is being
7076 * load-unloaded while func6,7 are down. This will cause the timer to access
7077 * the ilt, translate to a logical address and send a request to read/write.
7078 * Since the ilt for the function that is down is not valid, this will cause
7079 * a translation error which is unrecoverable.
7080 * The Workaround is intended to make sure that when this happens nothing fatal
7081 * will occur. The workaround:
7082 * 1. First PF driver which loads on a path will:
7083 * a. After taking the chip out of reset, by using pretend,
7084 * it will write "0" to the following registers of
7085 * the other vnics.
7086 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
7087 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
7088 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
7089 * And for itself it will write '1' to
7090 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
7091 * dmae-operations (writing to pram for example.)
7092 * note: can be done for only function 6,7 but cleaner this
7093 * way.
7094 * b. Write zero+valid to the entire ILT.
7095 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
7096 * VNIC3 (of that port). The range allocated will be the
7097 * entire ILT. This is needed to prevent ILT range error.
7098 * 2. Any PF driver load flow:
7099 * a. ILT update with the physical addresses of the allocated
7100 * logical pages.
7101 * b. Wait 20msec. - note that this timeout is needed to make
7102 * sure there are no requests in one of the PXP internal
7103 * queues with "old" ILT addresses.
7104 * c. PF enable in the PGLC.
7105 * d. Clear the was_error of the PF in the PGLC. (could have
Yuval Mintz2de67432013-01-23 03:21:43 +00007106 * occurred while driver was down)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007107 * e. PF enable in the CFC (WEAK + STRONG)
7108 * f. Timers scan enable
7109 * 3. PF driver unload flow:
7110 * a. Clear the Timers scan_en.
7111 * b. Polling for scan_on=0 for that PF.
7112 * c. Clear the PF enable bit in the PXP.
7113 * d. Clear the PF enable in the CFC (WEAK + STRONG)
7114 * e. Write zero+valid to all ILT entries (The valid bit must
7115 * stay set)
7116 * f. If this is VNIC 3 of a port then also init
7117 * first_timers_ilt_entry to zero and last_timers_ilt_entry
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007118 * to the last entry in the ILT.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007119 *
7120 * Notes:
7121 * Currently the PF error in the PGLC is non recoverable.
7122 * In the future the there will be a recovery routine for this error.
7123 * Currently attention is masked.
7124 * Having an MCP lock on the load/unload process does not guarantee that
7125 * there is no Timer disable during Func6/7 enable. This is because the
7126 * Timers scan is currently being cleared by the MCP on FLR.
7127 * Step 2.d can be done only for PF6/7 and the driver can also check if
7128 * there is error before clearing it. But the flow above is simpler and
7129 * more general.
7130 * All ILT entries are written by zero+valid and not just PF6/7
7131 * ILT entries since in the future the ILT entries allocation for
7132 * PF-s might be dynamic.
7133 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007134 struct ilt_client_info ilt_cli;
7135 struct bnx2x_ilt ilt;
7136 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7137 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
7138
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04007139 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007140 ilt_cli.start = 0;
7141 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7142 ilt_cli.client_num = ILT_CLIENT_TM;
7143
7144 /* Step 1: set zeroes to all ilt page entries with valid bit on
7145 * Step 2: set the timers first/last ilt entry to point
7146 * to the entire range to prevent ILT range error for 3rd/4th
Yuval Mintz2de67432013-01-23 03:21:43 +00007147 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007148 *
7149 * both steps performed by call to bnx2x_ilt_client_init_op()
7150 * with dummy TM client
7151 *
7152 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
7153 * and his brother are split registers
7154 */
7155 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
7156 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
7157 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
7158
7159 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
7160 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
7161 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
7162 }
7163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007164 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
7165 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007166
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007167 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007168 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
7169 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007170 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007172 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007173
7174 /* let the HW do it's magic ... */
7175 do {
7176 msleep(200);
7177 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
7178 } while (factor-- && (val != 1));
7179
7180 if (val != 1) {
7181 BNX2X_ERR("ATC_INIT failed\n");
7182 return -EBUSY;
7183 }
7184 }
7185
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007186 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007187
Ariel Eliorb56e9672013-01-01 05:22:32 +00007188 bnx2x_iov_init_dmae(bp);
7189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007190 /* clean the DMAE memory */
7191 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007192 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007193
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007194 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
7195
7196 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
7197
7198 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
7199
7200 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007202 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
7203 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
7204 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
7205 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
7206
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007207 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00007208
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007209 /* QM queues pointers table */
7210 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00007211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007212 /* soft reset pulse */
7213 REG_WR(bp, QM_REG_SOFT_RESET, 1);
7214 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007215
Merav Sicron55c11942012-11-07 00:45:48 +00007216 if (CNIC_SUPPORT(bp))
7217 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007218
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007219 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Ariel Eliorb9871bc2013-09-04 14:09:21 +03007220
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007221 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007222 /* enable hw interrupt from doorbell Q */
7223 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007225 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007226
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007227 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08007228 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007230 if (!CHIP_IS_E1(bp))
7231 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
7232
Barak Witkowskia3348722012-04-23 03:04:46 +00007233 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
7234 if (IS_MF_AFEX(bp)) {
7235 /* configure that VNTag and VLAN headers must be
7236 * received in afex mode
7237 */
7238 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
7239 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
7240 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
7241 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
7242 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
7243 } else {
7244 /* Bit-map indicating which L2 hdrs may appear
7245 * after the basic Ethernet header
7246 */
7247 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
7248 bp->path_has_ovlan ? 7 : 6);
7249 }
7250 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007251
7252 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
7253 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
7254 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
7255 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
7256
7257 if (!CHIP_IS_E1x(bp)) {
7258 /* reset VFC memories */
7259 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
7260 VFC_MEMORIES_RST_REG_CAM_RST |
7261 VFC_MEMORIES_RST_REG_RAM_RST);
7262 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
7263 VFC_MEMORIES_RST_REG_CAM_RST |
7264 VFC_MEMORIES_RST_REG_RAM_RST);
7265
7266 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007267 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007268
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007269 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
7270 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
7271 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
7272 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007274 /* sync semi rtc */
7275 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7276 0x80000000);
7277 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7278 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007279
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007280 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
7281 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
7282 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007283
Barak Witkowskia3348722012-04-23 03:04:46 +00007284 if (!CHIP_IS_E1x(bp)) {
7285 if (IS_MF_AFEX(bp)) {
7286 /* configure that VNTag and VLAN headers must be
7287 * sent in afex mode
7288 */
7289 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
7290 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
7291 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
7292 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
7293 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
7294 } else {
7295 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
7296 bp->path_has_ovlan ? 7 : 6);
7297 }
7298 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007299
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007300 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007302 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
7303
Merav Sicron55c11942012-11-07 00:45:48 +00007304 if (CNIC_SUPPORT(bp)) {
7305 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
7306 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
7307 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
7308 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
7309 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
7310 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
7311 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
7312 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
7313 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
7314 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
7315 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007316 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007317
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007318 if (sizeof(union cdu_context) != 1024)
7319 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00007320 dev_alert(&bp->pdev->dev,
7321 "please adjust the size of cdu_context(%ld)\n",
7322 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007323
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007324 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007325 val = (4 << 24) + (0 << 12) + 1024;
7326 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007327
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007328 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007329 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08007330 /* enable context validation interrupt from CFC */
7331 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
7332
7333 /* set the thresholds to prevent CFC/CDU race */
7334 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007335
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007336 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007337
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007338 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007339 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
7340
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007341 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
7342 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007343
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007344 /* Reset PCIE errors for debug */
7345 REG_WR(bp, 0x2814, 0xffffffff);
7346 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007347
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007348 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007349 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
7350 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
7351 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
7352 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
7353 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
7354 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
7355 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
7356 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
7357 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
7358 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
7359 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
7360 }
7361
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007362 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007363 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007364 /* in E3 this done in per-port section */
7365 if (!CHIP_IS_E3(bp))
7366 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
7367 }
7368 if (CHIP_IS_E1H(bp))
7369 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007370 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007372 if (CHIP_REV_IS_SLOW(bp))
7373 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007375 /* finish CFC init */
7376 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
7377 if (val != 1) {
7378 BNX2X_ERR("CFC LL_INIT failed\n");
7379 return -EBUSY;
7380 }
7381 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
7382 if (val != 1) {
7383 BNX2X_ERR("CFC AC_INIT failed\n");
7384 return -EBUSY;
7385 }
7386 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
7387 if (val != 1) {
7388 BNX2X_ERR("CFC CAM_INIT failed\n");
7389 return -EBUSY;
7390 }
7391 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007392
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007393 if (CHIP_IS_E1(bp)) {
7394 /* read NIG statistic
7395 to see if this is our first up since powerup */
7396 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
7397 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007398
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007399 /* do internal memory self test */
7400 if ((val == 0) && bnx2x_int_mem_test(bp)) {
7401 BNX2X_ERR("internal mem self test failed\n");
7402 return -EBUSY;
7403 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007404 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007405
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00007406 bnx2x_setup_fan_failure_detection(bp);
7407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007408 /* clear PXP2 attentions */
7409 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007410
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00007411 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00007412 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007413
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007414 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007415 if (CHIP_IS_E1x(bp))
7416 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007417 } else
7418 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
7419
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007420 return 0;
7421}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007422
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007423/**
7424 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
7425 *
7426 * @bp: driver handle
7427 */
7428static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
7429{
7430 int rc = bnx2x_init_hw_common(bp);
7431
7432 if (rc)
7433 return rc;
7434
7435 /* In E2 2-PORT mode, same ext phy is used for the two paths */
7436 if (!BP_NOMCP(bp))
7437 bnx2x__common_init_phy(bp);
7438
7439 return 0;
7440}
7441
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007442static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007443{
7444 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007445 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00007446 u32 low, high;
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02007447 u32 val, reg;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007448
Merav Sicron51c1a582012-03-18 10:33:38 +00007449 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007450
7451 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007453 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7454 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7455 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07007456
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007457 /* Timers bug workaround: disables the pf_master bit in pglue at
7458 * common phase, we need to enable it here before any dmae access are
7459 * attempted. Therefore we manually added the enable-master to the
7460 * port phase (it also happens in the function phase)
7461 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007462 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007463 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7464
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007465 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7466 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7467 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
7468 bnx2x_init_block(bp, BLOCK_QM, init_phase);
7469
7470 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7471 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7472 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7473 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007475 /* QM cid (connection) count */
7476 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007477
Merav Sicron55c11942012-11-07 00:45:48 +00007478 if (CNIC_SUPPORT(bp)) {
7479 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7480 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
7481 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
7482 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007484 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00007485
Dmitry Kravkov2b674042012-10-28 21:59:04 +00007486 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007488 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007489
7490 if (IS_MF(bp))
7491 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
7492 else if (bp->dev->mtu > 4096) {
7493 if (bp->flags & ONE_PORT_FLAG)
7494 low = 160;
7495 else {
7496 val = bp->dev->mtu;
7497 /* (24*1024 + val*4)/256 */
7498 low = 96 + (val/64) +
7499 ((val % 64) ? 1 : 0);
7500 }
7501 } else
7502 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
7503 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007504 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
7505 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
7506 }
7507
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007508 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007509 REG_WR(bp, (BP_PORT(bp) ?
7510 BRB1_REG_MAC_GUARANTIED_1 :
7511 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007513 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00007514 if (CHIP_IS_E3B0(bp)) {
7515 if (IS_MF_AFEX(bp)) {
7516 /* configure headers for AFEX mode */
7517 REG_WR(bp, BP_PORT(bp) ?
7518 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7519 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
7520 REG_WR(bp, BP_PORT(bp) ?
7521 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
7522 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
7523 REG_WR(bp, BP_PORT(bp) ?
7524 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
7525 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
7526 } else {
7527 /* Ovlan exists only if we are in multi-function +
7528 * switch-dependent mode, in switch-independent there
7529 * is no ovlan headers
7530 */
7531 REG_WR(bp, BP_PORT(bp) ?
7532 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7533 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
7534 (bp->path_has_ovlan ? 7 : 6));
7535 }
7536 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007537
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007538 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7539 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7540 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7541 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7542
7543 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7544 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7545 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7546 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
7547
7548 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7549 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7550
7551 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7552
7553 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007554 /* configure PBF to work without PAUSE mtu 9000 */
7555 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007556
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007557 /* update threshold */
7558 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
7559 /* update init credit */
7560 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007562 /* probe changes */
7563 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
7564 udelay(50);
7565 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
7566 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007567
Merav Sicron55c11942012-11-07 00:45:48 +00007568 if (CNIC_SUPPORT(bp))
7569 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007571 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
7572 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007573
7574 if (CHIP_IS_E1(bp)) {
7575 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7576 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7577 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007578 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007579
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007580 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007581
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007582 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007583 /* init aeu_mask_attn_func_0/1:
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007584 * - SF mode: bits 3-7 are masked. Only bits 0-2 are in use
7585 * - MF mode: bit 3 is masked. Bits 0-2 are in use as in SF
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007586 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00007587 val = IS_MF(bp) ? 0xF7 : 0x7;
7588 /* Enable DCBX attention for all but E1 */
7589 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
7590 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007591
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02007592 /* SCPAD_PARITY should NOT trigger close the gates */
7593 reg = port ? MISC_REG_AEU_ENABLE4_NIG_1 : MISC_REG_AEU_ENABLE4_NIG_0;
7594 REG_WR(bp, reg,
7595 REG_RD(bp, reg) &
7596 ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7597
7598 reg = port ? MISC_REG_AEU_ENABLE4_PXP_1 : MISC_REG_AEU_ENABLE4_PXP_0;
7599 REG_WR(bp, reg,
7600 REG_RD(bp, reg) &
7601 ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7602
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007603 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007605 if (!CHIP_IS_E1x(bp)) {
7606 /* Bit-map indicating which L2 hdrs may appear after the
7607 * basic Ethernet header
7608 */
Barak Witkowskia3348722012-04-23 03:04:46 +00007609 if (IS_MF_AFEX(bp))
7610 REG_WR(bp, BP_PORT(bp) ?
7611 NIG_REG_P1_HDRS_AFTER_BASIC :
7612 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
7613 else
7614 REG_WR(bp, BP_PORT(bp) ?
7615 NIG_REG_P1_HDRS_AFTER_BASIC :
7616 NIG_REG_P0_HDRS_AFTER_BASIC,
7617 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007618
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007619 if (CHIP_IS_E3(bp))
7620 REG_WR(bp, BP_PORT(bp) ?
7621 NIG_REG_LLH1_MF_MODE :
7622 NIG_REG_LLH_MF_MODE, IS_MF(bp));
7623 }
7624 if (!CHIP_IS_E3(bp))
7625 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007626
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007627 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007628 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007629 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007630 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007631
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007632 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007633 val = 0;
7634 switch (bp->mf_mode) {
7635 case MULTI_FUNCTION_SD:
7636 val = 1;
7637 break;
7638 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00007639 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007640 val = 2;
7641 break;
7642 }
7643
7644 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
7645 NIG_REG_LLH0_CLS_TYPE), val);
7646 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00007647 {
7648 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
7649 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
7650 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
7651 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007652 }
7653
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007654 /* If SPIO5 is set to generate interrupts, enable it for this port */
7655 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00007656 if (val & MISC_SPIO_SPIO5) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007657 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
7658 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
7659 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007660 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007661 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007662 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007664 return 0;
7665}
7666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007667static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
7668{
7669 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00007670 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007672 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007673 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007674 else
7675 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007676
Yuval Mintz32d68de2012-04-03 18:41:24 +00007677 wb_write[0] = ONCHIP_ADDR1(addr);
7678 wb_write[1] = ONCHIP_ADDR2(addr);
7679 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007680}
7681
Ariel Eliorb56e9672013-01-01 05:22:32 +00007682void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf)
Eric Dumazet1191cb82012-04-27 21:39:21 +00007683{
7684 u32 data, ctl, cnt = 100;
7685 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7686 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7687 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7688 u32 sb_bit = 1 << (idu_sb_id%32);
Ariel Eliorb56e9672013-01-01 05:22:32 +00007689 u32 func_encode = func | (is_pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
Eric Dumazet1191cb82012-04-27 21:39:21 +00007690 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7691
7692 /* Not supported in BC mode */
7693 if (CHIP_INT_MODE_IS_BC(bp))
7694 return;
7695
7696 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7697 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7698 IGU_REGULAR_CLEANUP_SET |
7699 IGU_REGULAR_BCLEANUP;
7700
7701 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7702 func_encode << IGU_CTRL_REG_FID_SHIFT |
7703 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7704
7705 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7706 data, igu_addr_data);
7707 REG_WR(bp, igu_addr_data, data);
7708 mmiowb();
7709 barrier();
7710 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7711 ctl, igu_addr_ctl);
7712 REG_WR(bp, igu_addr_ctl, ctl);
7713 mmiowb();
7714 barrier();
7715
7716 /* wait for clean up to finish */
7717 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7718 msleep(20);
7719
Eric Dumazet1191cb82012-04-27 21:39:21 +00007720 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7721 DP(NETIF_MSG_HW,
7722 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7723 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7724 }
7725}
7726
7727static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007728{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007729 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007730}
7731
Eric Dumazet1191cb82012-04-27 21:39:21 +00007732static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007733{
7734 u32 i, base = FUNC_ILT_BASE(func);
7735 for (i = base; i < base + ILT_PER_FUNC; i++)
7736 bnx2x_ilt_wr(bp, i, 0);
7737}
7738
Merav Sicron910cc722012-11-11 03:56:08 +00007739static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007740{
7741 int port = BP_PORT(bp);
7742 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7743 /* T1 hash bits value determines the T1 number of entries */
7744 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7745}
7746
7747static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7748{
7749 int rc;
7750 struct bnx2x_func_state_params func_params = {NULL};
7751 struct bnx2x_func_switch_update_params *switch_update_params =
7752 &func_params.params.switch_update;
7753
7754 /* Prepare parameters for function state transitions */
7755 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7756 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7757
7758 func_params.f_obj = &bp->func_obj;
7759 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7760
7761 /* Function parameters */
Dmitry Kravkove42780b2014-08-17 16:47:43 +03007762 __set_bit(BNX2X_F_UPDATE_TX_SWITCH_SUSPEND_CHNG,
7763 &switch_update_params->changes);
7764 if (suspend)
7765 __set_bit(BNX2X_F_UPDATE_TX_SWITCH_SUSPEND,
7766 &switch_update_params->changes);
Merav Sicron55c11942012-11-07 00:45:48 +00007767
7768 rc = bnx2x_func_state_change(bp, &func_params);
7769
7770 return rc;
7771}
7772
Merav Sicron910cc722012-11-11 03:56:08 +00007773static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007774{
7775 int rc, i, port = BP_PORT(bp);
7776 int vlan_en = 0, mac_en[NUM_MACS];
7777
Merav Sicron55c11942012-11-07 00:45:48 +00007778 /* Close input from network */
7779 if (bp->mf_mode == SINGLE_FUNCTION) {
7780 bnx2x_set_rx_filter(&bp->link_params, 0);
7781 } else {
7782 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7783 NIG_REG_LLH0_FUNC_EN);
7784 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7785 NIG_REG_LLH0_FUNC_EN, 0);
7786 for (i = 0; i < NUM_MACS; i++) {
7787 mac_en[i] = REG_RD(bp, port ?
7788 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7789 4 * i) :
7790 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7791 4 * i));
7792 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7793 4 * i) :
7794 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7795 }
7796 }
7797
7798 /* Close BMC to host */
7799 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7800 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7801
7802 /* Suspend Tx switching to the PF. Completion of this ramrod
7803 * further guarantees that all the packets of that PF / child
7804 * VFs in BRB were processed by the Parser, so it is safe to
7805 * change the NIC_MODE register.
7806 */
7807 rc = bnx2x_func_switch_update(bp, 1);
7808 if (rc) {
7809 BNX2X_ERR("Can't suspend tx-switching!\n");
7810 return rc;
7811 }
7812
7813 /* Change NIC_MODE register */
7814 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7815
7816 /* Open input from network */
7817 if (bp->mf_mode == SINGLE_FUNCTION) {
7818 bnx2x_set_rx_filter(&bp->link_params, 1);
7819 } else {
7820 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7821 NIG_REG_LLH0_FUNC_EN, vlan_en);
7822 for (i = 0; i < NUM_MACS; i++) {
7823 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7824 4 * i) :
7825 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7826 mac_en[i]);
7827 }
7828 }
7829
7830 /* Enable BMC to host */
7831 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7832 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7833
7834 /* Resume Tx switching to the PF */
7835 rc = bnx2x_func_switch_update(bp, 0);
7836 if (rc) {
7837 BNX2X_ERR("Can't resume tx-switching!\n");
7838 return rc;
7839 }
7840
7841 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7842 return 0;
7843}
7844
7845int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7846{
7847 int rc;
7848
7849 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7850
7851 if (CONFIGURE_NIC_MODE(bp)) {
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007852 /* Configure searcher as part of function hw init */
Merav Sicron55c11942012-11-07 00:45:48 +00007853 bnx2x_init_searcher(bp);
7854
7855 /* Reset NIC mode */
7856 rc = bnx2x_reset_nic_mode(bp);
7857 if (rc)
7858 BNX2X_ERR("Can't change NIC mode!\n");
7859 return rc;
7860 }
7861
7862 return 0;
7863}
7864
Yuval Mintzda254fb2015-04-01 10:02:20 +03007865/* previous driver DMAE transaction may have occurred when pre-boot stage ended
7866 * and boot began, or when kdump kernel was loaded. Either case would invalidate
7867 * the addresses of the transaction, resulting in was-error bit set in the pci
7868 * causing all hw-to-host pcie transactions to timeout. If this happened we want
7869 * to clear the interrupt which detected this from the pglueb and the was done
7870 * bit
7871 */
7872static void bnx2x_clean_pglue_errors(struct bnx2x *bp)
7873{
7874 if (!CHIP_IS_E1x(bp))
7875 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
7876 1 << BP_ABS_FUNC(bp));
7877}
7878
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007879static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007880{
7881 int port = BP_PORT(bp);
7882 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007883 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007884 struct bnx2x_ilt *ilt = BP_ILT(bp);
7885 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007886 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007887 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007888 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007889
Merav Sicron51c1a582012-03-18 10:33:38 +00007890 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007891
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007892 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007893 if (!CHIP_IS_E1x(bp)) {
7894 rc = bnx2x_pf_flr_clnup(bp);
Yuval Mintz04c46732013-01-23 03:21:46 +00007895 if (rc) {
7896 bnx2x_fw_dump(bp);
Ariel Elior89db4ad2012-01-26 06:01:48 +00007897 return rc;
Yuval Mintz04c46732013-01-23 03:21:46 +00007898 }
Ariel Elior89db4ad2012-01-26 06:01:48 +00007899 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007900
Eilon Greenstein8badd272009-02-12 08:36:15 +00007901 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007902 if (bp->common.int_block == INT_BLOCK_HC) {
7903 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7904 val = REG_RD(bp, addr);
7905 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7906 REG_WR(bp, addr, val);
7907 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007908
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007909 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7910 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7911
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007912 ilt = BP_ILT(bp);
7913 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007914
Ariel Elior290ca2b2013-01-01 05:22:31 +00007915 if (IS_SRIOV(bp))
7916 cdu_ilt_start += BNX2X_FIRST_VF_CID/ILT_PAGE_CIDS;
7917 cdu_ilt_start = bnx2x_iov_init_ilt(bp, cdu_ilt_start);
7918
7919 /* since BNX2X_FIRST_VF_CID > 0 the PF L2 cids precedes
7920 * those of the VFs, so start line should be reset
7921 */
7922 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007923 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007924 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007925 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007926 bp->context[i].cxt_mapping;
7927 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007928 }
Ariel Elior290ca2b2013-01-01 05:22:31 +00007929
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007930 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007931
Merav Sicron55c11942012-11-07 00:45:48 +00007932 if (!CONFIGURE_NIC_MODE(bp)) {
7933 bnx2x_init_searcher(bp);
7934 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7935 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7936 } else {
7937 /* Set NIC mode */
7938 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Yuval Mintz6bf07b82013-06-02 00:06:20 +00007939 DP(NETIF_MSG_IFUP, "NIC MODE configured\n");
Merav Sicron55c11942012-11-07 00:45:48 +00007940 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007941
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007942 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007943 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7944
7945 /* Turn on a single ISR mode in IGU if driver is going to use
7946 * INT#x or MSI
7947 */
7948 if (!(bp->flags & USING_MSIX_FLAG))
7949 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7950 /*
7951 * Timers workaround bug: function init part.
7952 * Need to wait 20msec after initializing ILT,
7953 * needed to make sure there are no requests in
7954 * one of the PXP internal queues with "old" ILT addresses
7955 */
7956 msleep(20);
7957 /*
7958 * Master enable - Due to WB DMAE writes performed before this
7959 * register is re-initialized as part of the regular function
7960 * init
7961 */
7962 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7963 /* Enable the function in IGU */
7964 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7965 }
7966
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007967 bp->dmae_ready = 1;
7968
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007969 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007970
Yuval Mintzda254fb2015-04-01 10:02:20 +03007971 bnx2x_clean_pglue_errors(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007972
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007973 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7974 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7975 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7976 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7977 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7978 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7979 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7980 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7981 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7982 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7983 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7984 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7985 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007986
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007987 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007988 REG_WR(bp, QM_REG_PF_EN, 1);
7989
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007990 if (!CHIP_IS_E1x(bp)) {
7991 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7992 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7993 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7994 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7995 }
7996 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007997
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007998 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7999 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Ariel Eliorc19d65c2013-09-09 14:51:27 +03008000 REG_WR(bp, DORQ_REG_MODE_ACT, 1); /* no dpm */
Ariel Eliorb56e9672013-01-01 05:22:32 +00008001
8002 bnx2x_iov_init_dq(bp);
8003
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008004 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
8005 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
8006 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
8007 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
8008 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
8009 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
8010 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
8011 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
8012 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
8013 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008014 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
8015
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008016 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008017
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008018 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008019
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008020 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008021 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
8022
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008023 if (IS_MF(bp)) {
Yuval Mintz76096472014-09-17 16:24:37 +03008024 if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))) {
8025 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
8026 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port * 8,
8027 bp->mf_ov);
8028 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008029 }
8030
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008031 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008032
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008033 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008034 if (bp->common.int_block == INT_BLOCK_HC) {
8035 if (CHIP_IS_E1H(bp)) {
8036 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
8037
8038 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8039 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8040 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008041 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008042
8043 } else {
8044 int num_segs, sb_idx, prod_offset;
8045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008046 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
8047
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008048 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008049 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8050 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8051 }
8052
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008053 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008054
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008055 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008056 int dsb_idx = 0;
8057 /**
8058 * Producer memory:
8059 * E2 mode: address 0-135 match to the mapping memory;
8060 * 136 - PF0 default prod; 137 - PF1 default prod;
8061 * 138 - PF2 default prod; 139 - PF3 default prod;
8062 * 140 - PF0 attn prod; 141 - PF1 attn prod;
8063 * 142 - PF2 attn prod; 143 - PF3 attn prod;
8064 * 144-147 reserved.
8065 *
8066 * E1.5 mode - In backward compatible mode;
8067 * for non default SB; each even line in the memory
8068 * holds the U producer and each odd line hold
8069 * the C producer. The first 128 producers are for
8070 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
8071 * producers are for the DSB for each PF.
8072 * Each PF has five segments: (the order inside each
8073 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
8074 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
8075 * 144-147 attn prods;
8076 */
8077 /* non-default-status-blocks */
8078 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
8079 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
8080 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
8081 prod_offset = (bp->igu_base_sb + sb_idx) *
8082 num_segs;
8083
8084 for (i = 0; i < num_segs; i++) {
8085 addr = IGU_REG_PROD_CONS_MEMORY +
8086 (prod_offset + i) * 4;
8087 REG_WR(bp, addr, 0);
8088 }
8089 /* send consumer update with value 0 */
8090 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
8091 USTORM_ID, 0, IGU_INT_NOP, 1);
8092 bnx2x_igu_clear_sb(bp,
8093 bp->igu_base_sb + sb_idx);
8094 }
8095
8096 /* default-status-blocks */
8097 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
8098 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
8099
8100 if (CHIP_MODE_IS_4_PORT(bp))
8101 dsb_idx = BP_FUNC(bp);
8102 else
David S. Miller8decf862011-09-22 03:23:13 -04008103 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008104
8105 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
8106 IGU_BC_BASE_DSB_PROD + dsb_idx :
8107 IGU_NORM_BASE_DSB_PROD + dsb_idx);
8108
David S. Miller8decf862011-09-22 03:23:13 -04008109 /*
8110 * igu prods come in chunks of E1HVN_MAX (4) -
8111 * does not matters what is the current chip mode
8112 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008113 for (i = 0; i < (num_segs * E1HVN_MAX);
8114 i += E1HVN_MAX) {
8115 addr = IGU_REG_PROD_CONS_MEMORY +
8116 (prod_offset + i)*4;
8117 REG_WR(bp, addr, 0);
8118 }
8119 /* send consumer update with 0 */
8120 if (CHIP_INT_MODE_IS_BC(bp)) {
8121 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8122 USTORM_ID, 0, IGU_INT_NOP, 1);
8123 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8124 CSTORM_ID, 0, IGU_INT_NOP, 1);
8125 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8126 XSTORM_ID, 0, IGU_INT_NOP, 1);
8127 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8128 TSTORM_ID, 0, IGU_INT_NOP, 1);
8129 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8130 ATTENTION_ID, 0, IGU_INT_NOP, 1);
8131 } else {
8132 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8133 USTORM_ID, 0, IGU_INT_NOP, 1);
8134 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8135 ATTENTION_ID, 0, IGU_INT_NOP, 1);
8136 }
8137 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
8138
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008139 /* !!! These should become driver const once
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008140 rf-tool supports split-68 const */
8141 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
8142 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
8143 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
8144 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
8145 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
8146 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
8147 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008148 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008149
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008150 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008151 REG_WR(bp, 0x2114, 0xffffffff);
8152 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008153
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00008154 if (CHIP_IS_E1x(bp)) {
8155 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
8156 main_mem_base = HC_REG_MAIN_MEMORY +
8157 BP_PORT(bp) * (main_mem_size * 4);
8158 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
8159 main_mem_width = 8;
8160
8161 val = REG_RD(bp, main_mem_prty_clr);
8162 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00008163 DP(NETIF_MSG_HW,
8164 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
8165 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00008166
8167 /* Clear "false" parity errors in MSI-X table */
8168 for (i = main_mem_base;
8169 i < main_mem_base + main_mem_size * 4;
8170 i += main_mem_width) {
8171 bnx2x_read_dmae(bp, i, main_mem_width / 4);
8172 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
8173 i, main_mem_width / 4);
8174 }
8175 /* Clear HC parity attention */
8176 REG_RD(bp, main_mem_prty_clr);
8177 }
8178
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008179#ifdef BNX2X_STOP_ON_ERROR
8180 /* Enable STORMs SP logging */
8181 REG_WR8(bp, BAR_USTRORM_INTMEM +
8182 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8183 REG_WR8(bp, BAR_TSTRORM_INTMEM +
8184 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8185 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8186 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8187 REG_WR8(bp, BAR_XSTRORM_INTMEM +
8188 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8189#endif
8190
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008191 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008192
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008193 return 0;
8194}
8195
Merav Sicron55c11942012-11-07 00:45:48 +00008196void bnx2x_free_mem_cnic(struct bnx2x *bp)
8197{
8198 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
8199
8200 if (!CHIP_IS_E1x(bp))
8201 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
8202 sizeof(struct host_hc_status_block_e2));
8203 else
8204 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
8205 sizeof(struct host_hc_status_block_e1x));
8206
8207 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
8208}
8209
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008210void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211{
Merav Sicrona0529972012-06-19 07:48:25 +00008212 int i;
8213
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008214 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
8215 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
8216
Ariel Eliorb4cddbd2013-08-28 01:13:03 +03008217 if (IS_VF(bp))
8218 return;
8219
8220 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
8221 sizeof(struct host_sp_status_block));
8222
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008223 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008224 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008225
Merav Sicrona0529972012-06-19 07:48:25 +00008226 for (i = 0; i < L2_ILT_LINES(bp); i++)
8227 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
8228 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008229 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
8230
8231 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008232
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008233 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008234
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008235 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
8236 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Yuval Mintz580d9d02013-01-23 03:21:51 +00008237
Yuval Mintz05952242013-05-01 04:27:58 +00008238 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
8239
Yuval Mintz580d9d02013-01-23 03:21:51 +00008240 bnx2x_iov_free_mem(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008241}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008242
Merav Sicron55c11942012-11-07 00:45:48 +00008243int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008244{
Joe Perchescd2b0382014-02-20 13:25:51 -08008245 if (!CHIP_IS_E1x(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008246 /* size = the status block + ramrod buffers */
Joe Perchescd2b0382014-02-20 13:25:51 -08008247 bp->cnic_sb.e2_sb = BNX2X_PCI_ALLOC(&bp->cnic_sb_mapping,
8248 sizeof(struct host_hc_status_block_e2));
8249 if (!bp->cnic_sb.e2_sb)
8250 goto alloc_mem_err;
8251 } else {
8252 bp->cnic_sb.e1x_sb = BNX2X_PCI_ALLOC(&bp->cnic_sb_mapping,
8253 sizeof(struct host_hc_status_block_e1x));
8254 if (!bp->cnic_sb.e1x_sb)
8255 goto alloc_mem_err;
8256 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008257
Joe Perchescd2b0382014-02-20 13:25:51 -08008258 if (CONFIGURE_NIC_MODE(bp) && !bp->t2) {
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008259 /* allocate searcher T2 table, as it wasn't allocated before */
Joe Perchescd2b0382014-02-20 13:25:51 -08008260 bp->t2 = BNX2X_PCI_ALLOC(&bp->t2_mapping, SRC_T2_SZ);
8261 if (!bp->t2)
8262 goto alloc_mem_err;
8263 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008264
Merav Sicron55c11942012-11-07 00:45:48 +00008265 /* write address to which L5 should insert its values */
8266 bp->cnic_eth_dev.addr_drv_info_to_mcp =
8267 &bp->slowpath->drv_info_to_mcp;
8268
8269 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
8270 goto alloc_mem_err;
8271
8272 return 0;
8273
8274alloc_mem_err:
8275 bnx2x_free_mem_cnic(bp);
8276 BNX2X_ERR("Can't allocate memory\n");
8277 return -ENOMEM;
8278}
8279
8280int bnx2x_alloc_mem(struct bnx2x *bp)
8281{
8282 int i, allocated, context_size;
8283
Joe Perchescd2b0382014-02-20 13:25:51 -08008284 if (!CONFIGURE_NIC_MODE(bp) && !bp->t2) {
Merav Sicron55c11942012-11-07 00:45:48 +00008285 /* allocate searcher T2 table */
Joe Perchescd2b0382014-02-20 13:25:51 -08008286 bp->t2 = BNX2X_PCI_ALLOC(&bp->t2_mapping, SRC_T2_SZ);
8287 if (!bp->t2)
8288 goto alloc_mem_err;
8289 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008290
Joe Perchescd2b0382014-02-20 13:25:51 -08008291 bp->def_status_blk = BNX2X_PCI_ALLOC(&bp->def_status_blk_mapping,
8292 sizeof(struct host_sp_status_block));
8293 if (!bp->def_status_blk)
8294 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008295
Joe Perchescd2b0382014-02-20 13:25:51 -08008296 bp->slowpath = BNX2X_PCI_ALLOC(&bp->slowpath_mapping,
8297 sizeof(struct bnx2x_slowpath));
8298 if (!bp->slowpath)
8299 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008300
Merav Sicrona0529972012-06-19 07:48:25 +00008301 /* Allocate memory for CDU context:
8302 * This memory is allocated separately and not in the generic ILT
8303 * functions because CDU differs in few aspects:
8304 * 1. There are multiple entities allocating memory for context -
8305 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
8306 * its own ILT lines.
8307 * 2. Since CDU page-size is not a single 4KB page (which is the case
8308 * for the other ILT clients), to be efficient we want to support
8309 * allocation of sub-page-size in the last entry.
8310 * 3. Context pointers are used by the driver to pass to FW / update
8311 * the context (for the other ILT clients the pointers are used just to
8312 * free the memory during unload).
8313 */
8314 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008315
Merav Sicrona0529972012-06-19 07:48:25 +00008316 for (i = 0, allocated = 0; allocated < context_size; i++) {
8317 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
8318 (context_size - allocated));
Joe Perchescd2b0382014-02-20 13:25:51 -08008319 bp->context[i].vcxt = BNX2X_PCI_ALLOC(&bp->context[i].cxt_mapping,
8320 bp->context[i].size);
8321 if (!bp->context[i].vcxt)
8322 goto alloc_mem_err;
Merav Sicrona0529972012-06-19 07:48:25 +00008323 allocated += bp->context[i].size;
8324 }
Joe Perchescd2b0382014-02-20 13:25:51 -08008325 bp->ilt->lines = kcalloc(ILT_MAX_LINES, sizeof(struct ilt_line),
8326 GFP_KERNEL);
8327 if (!bp->ilt->lines)
8328 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008329
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008330 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
8331 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008332
Ariel Elior67c431a2013-01-01 05:22:36 +00008333 if (bnx2x_iov_alloc_mem(bp))
8334 goto alloc_mem_err;
8335
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008336 /* Slow path ring */
Joe Perchescd2b0382014-02-20 13:25:51 -08008337 bp->spq = BNX2X_PCI_ALLOC(&bp->spq_mapping, BCM_PAGE_SIZE);
8338 if (!bp->spq)
8339 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008340
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008341 /* EQ */
Joe Perchescd2b0382014-02-20 13:25:51 -08008342 bp->eq_ring = BNX2X_PCI_ALLOC(&bp->eq_mapping,
8343 BCM_PAGE_SIZE * NUM_EQ_PAGES);
8344 if (!bp->eq_ring)
8345 goto alloc_mem_err;
Tom Herbertab532cf2011-02-16 10:27:02 +00008346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008347 return 0;
8348
8349alloc_mem_err:
8350 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00008351 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008352 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008353}
8354
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008355/*
8356 * Init service functions
8357 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008358
8359int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
8360 struct bnx2x_vlan_mac_obj *obj, bool set,
8361 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008362{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008363 int rc;
8364 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008366 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008367
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008368 /* Fill general parameters */
8369 ramrod_param.vlan_mac_obj = obj;
8370 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008372 /* Fill a user request section if needed */
8373 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
8374 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008375
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008376 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008377
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008378 /* Set the command: ADD or DEL */
8379 if (set)
8380 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
8381 else
8382 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008383 }
8384
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008385 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00008386
8387 if (rc == -EEXIST) {
8388 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
8389 /* do not treat adding same MAC as error */
8390 rc = 0;
8391 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008392 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00008393
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008394 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008395}
8396
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008397int bnx2x_del_all_macs(struct bnx2x *bp,
8398 struct bnx2x_vlan_mac_obj *mac_obj,
8399 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00008400{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008401 int rc;
8402 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
8403
8404 /* Wait for completion of requested */
8405 if (wait_for_comp)
8406 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8407
8408 /* Set the mac type of addresses we want to clear */
8409 __set_bit(mac_type, &vlan_mac_flags);
8410
8411 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
8412 if (rc < 0)
8413 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
8414
8415 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00008416}
8417
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008418int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008419{
Dmitry Kravkovf8f4f612013-04-24 01:45:00 +00008420 if (IS_PF(bp)) {
8421 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008422
Dmitry Kravkovf8f4f612013-04-24 01:45:00 +00008423 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
8424 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8425 return bnx2x_set_mac_one(bp, bp->dev->dev_addr,
8426 &bp->sp_objs->mac_obj, set,
8427 BNX2X_ETH_MAC, &ramrod_flags);
8428 } else { /* vf */
8429 return bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr,
8430 bp->fp->index, true);
8431 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008432}
8433
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008434int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00008435{
Ariel Elior60cad4e2013-09-04 14:09:22 +03008436 if (IS_PF(bp))
8437 return bnx2x_setup_queue(bp, &bp->fp[0], true);
8438 else /* VF */
8439 return bnx2x_vfpf_setup_q(bp, &bp->fp[0], true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008440}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008441
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008442/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008443 * bnx2x_set_int_mode - configure interrupt mode
8444 *
8445 * @bp: driver handle
8446 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008447 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008448 */
Ariel Elior1ab44342013-01-01 05:22:23 +00008449int bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008450{
Ariel Elior1ab44342013-01-01 05:22:23 +00008451 int rc = 0;
8452
Ariel Elior60cad4e2013-09-04 14:09:22 +03008453 if (IS_VF(bp) && int_mode != BNX2X_INT_MODE_MSIX) {
8454 BNX2X_ERR("VF not loaded since interrupt mode not msix\n");
Ariel Elior1ab44342013-01-01 05:22:23 +00008455 return -EINVAL;
Ariel Elior60cad4e2013-09-04 14:09:22 +03008456 }
Ariel Elior1ab44342013-01-01 05:22:23 +00008457
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00008458 switch (int_mode) {
Ariel Elior1ab44342013-01-01 05:22:23 +00008459 case BNX2X_INT_MODE_MSIX:
8460 /* attempt to enable msix */
8461 rc = bnx2x_enable_msix(bp);
8462
8463 /* msix attained */
8464 if (!rc)
8465 return 0;
8466
8467 /* vfs use only msix */
8468 if (rc && IS_VF(bp))
8469 return rc;
8470
8471 /* failed to enable multiple MSI-X */
8472 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
8473 bp->num_queues,
8474 1 + bp->num_cnic_queues);
8475
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008476 /* falling through... */
Ariel Elior1ab44342013-01-01 05:22:23 +00008477 case BNX2X_INT_MODE_MSI:
8478 bnx2x_enable_msi(bp);
8479
8480 /* falling through... */
8481 case BNX2X_INT_MODE_INTX:
Merav Sicron55c11942012-11-07 00:45:48 +00008482 bp->num_ethernet_queues = 1;
8483 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00008484 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07008485 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07008486 default:
Ariel Elior1ab44342013-01-01 05:22:23 +00008487 BNX2X_DEV_INFO("unknown value in int_mode module parameter\n");
8488 return -EINVAL;
Eilon Greensteinca003922009-08-12 22:53:28 -07008489 }
Ariel Elior1ab44342013-01-01 05:22:23 +00008490 return 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07008491}
8492
Ariel Elior1ab44342013-01-01 05:22:23 +00008493/* must be called prior to any HW initializations */
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008494static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
8495{
Ariel Elior290ca2b2013-01-01 05:22:31 +00008496 if (IS_SRIOV(bp))
8497 return (BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)/ILT_PAGE_CIDS;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008498 return L2_ILT_LINES(bp);
8499}
8500
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008501void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008502{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008503 struct ilt_client_info *ilt_client;
8504 struct bnx2x_ilt *ilt = BP_ILT(bp);
8505 u16 line = 0;
8506
8507 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
8508 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
8509
8510 /* CDU */
8511 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
8512 ilt_client->client_num = ILT_CLIENT_CDU;
8513 ilt_client->page_size = CDU_ILT_PAGE_SZ;
8514 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
8515 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008516 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008517
8518 if (CNIC_SUPPORT(bp))
8519 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008520 ilt_client->end = line - 1;
8521
Merav Sicron51c1a582012-03-18 10:33:38 +00008522 DP(NETIF_MSG_IFUP, "ilt client[CDU]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008523 ilt_client->start,
8524 ilt_client->end,
8525 ilt_client->page_size,
8526 ilt_client->flags,
8527 ilog2(ilt_client->page_size >> 12));
8528
8529 /* QM */
8530 if (QM_INIT(bp->qm_cid_count)) {
8531 ilt_client = &ilt->clients[ILT_CLIENT_QM];
8532 ilt_client->client_num = ILT_CLIENT_QM;
8533 ilt_client->page_size = QM_ILT_PAGE_SZ;
8534 ilt_client->flags = 0;
8535 ilt_client->start = line;
8536
8537 /* 4 bytes for each cid */
8538 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
8539 QM_ILT_PAGE_SZ);
8540
8541 ilt_client->end = line - 1;
8542
Merav Sicron51c1a582012-03-18 10:33:38 +00008543 DP(NETIF_MSG_IFUP,
8544 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008545 ilt_client->start,
8546 ilt_client->end,
8547 ilt_client->page_size,
8548 ilt_client->flags,
8549 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008550 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008551
Merav Sicron55c11942012-11-07 00:45:48 +00008552 if (CNIC_SUPPORT(bp)) {
8553 /* SRC */
8554 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
8555 ilt_client->client_num = ILT_CLIENT_SRC;
8556 ilt_client->page_size = SRC_ILT_PAGE_SZ;
8557 ilt_client->flags = 0;
8558 ilt_client->start = line;
8559 line += SRC_ILT_LINES;
8560 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008561
Merav Sicron55c11942012-11-07 00:45:48 +00008562 DP(NETIF_MSG_IFUP,
8563 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8564 ilt_client->start,
8565 ilt_client->end,
8566 ilt_client->page_size,
8567 ilt_client->flags,
8568 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008569
Merav Sicron55c11942012-11-07 00:45:48 +00008570 /* TM */
8571 ilt_client = &ilt->clients[ILT_CLIENT_TM];
8572 ilt_client->client_num = ILT_CLIENT_TM;
8573 ilt_client->page_size = TM_ILT_PAGE_SZ;
8574 ilt_client->flags = 0;
8575 ilt_client->start = line;
8576 line += TM_ILT_LINES;
8577 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008578
Merav Sicron55c11942012-11-07 00:45:48 +00008579 DP(NETIF_MSG_IFUP,
8580 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8581 ilt_client->start,
8582 ilt_client->end,
8583 ilt_client->page_size,
8584 ilt_client->flags,
8585 ilog2(ilt_client->page_size >> 12));
8586 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008587
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008588 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008589}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008590
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008591/**
8592 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
8593 *
8594 * @bp: driver handle
8595 * @fp: pointer to fastpath
8596 * @init_params: pointer to parameters structure
8597 *
8598 * parameters configured:
8599 * - HC configuration
8600 * - Queue's CDU context
8601 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008602static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008603 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008604{
Ariel Elior6383c0b2011-07-14 08:31:57 +00008605 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00008606 int cxt_index, cxt_offset;
8607
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008608 /* FCoE Queue uses Default SB, thus has no HC capabilities */
8609 if (!IS_FCOE_FP(fp)) {
8610 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
8611 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
8612
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008613 /* If HC is supported, enable host coalescing in the transition
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008614 * to INIT state.
8615 */
8616 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
8617 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
8618
8619 /* HC rate */
8620 init_params->rx.hc_rate = bp->rx_ticks ?
8621 (1000000 / bp->rx_ticks) : 0;
8622 init_params->tx.hc_rate = bp->tx_ticks ?
8623 (1000000 / bp->tx_ticks) : 0;
8624
8625 /* FW SB ID */
8626 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
8627 fp->fw_sb_id;
8628
8629 /*
8630 * CQ index among the SB indices: FCoE clients uses the default
8631 * SB, therefore it's different.
8632 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008633 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
8634 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008635 }
8636
Ariel Elior6383c0b2011-07-14 08:31:57 +00008637 /* set maximum number of COSs supported by this queue */
8638 init_params->max_cos = fp->max_cos;
8639
Merav Sicron51c1a582012-03-18 10:33:38 +00008640 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008641 fp->index, init_params->max_cos);
8642
8643 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00008644 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00008645 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
8646 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00008647 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008648 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00008649 &bp->context[cxt_index].vcxt[cxt_offset].eth;
8650 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008651}
8652
Merav Sicron910cc722012-11-11 03:56:08 +00008653static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00008654 struct bnx2x_queue_state_params *q_params,
8655 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
8656 int tx_index, bool leading)
8657{
8658 memset(tx_only_params, 0, sizeof(*tx_only_params));
8659
8660 /* Set the command */
8661 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
8662
8663 /* Set tx-only QUEUE flags: don't zero statistics */
8664 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
8665
8666 /* choose the index of the cid to send the slow path on */
8667 tx_only_params->cid_index = tx_index;
8668
8669 /* Set general TX_ONLY_SETUP parameters */
8670 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
8671
8672 /* Set Tx TX_ONLY_SETUP parameters */
8673 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
8674
Merav Sicron51c1a582012-03-18 10:33:38 +00008675 DP(NETIF_MSG_IFUP,
8676 "preparing to send tx-only ramrod for connection: cos %d, primary cid %d, cid %d, client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008677 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
8678 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
8679 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
8680
8681 /* send the ramrod */
8682 return bnx2x_queue_state_change(bp, q_params);
8683}
8684
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008685/**
8686 * bnx2x_setup_queue - setup queue
8687 *
8688 * @bp: driver handle
8689 * @fp: pointer to fastpath
8690 * @leading: is leading
8691 *
8692 * This function performs 2 steps in a Queue state machine
8693 * actually: 1) RESET->INIT 2) INIT->SETUP
8694 */
8695
8696int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8697 bool leading)
8698{
Yuval Mintz3b603062012-03-18 10:33:39 +00008699 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008700 struct bnx2x_queue_setup_params *setup_params =
8701 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008702 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8703 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008704 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008705 u8 tx_index;
8706
Merav Sicron51c1a582012-03-18 10:33:38 +00008707 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008708
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008709 /* reset IGU state skip FCoE L2 queue */
8710 if (!IS_FCOE_FP(fp))
8711 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008712 IGU_INT_ENABLE, 0);
8713
Barak Witkowski15192a82012-06-19 07:48:28 +00008714 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008715 /* We want to wait for completion in this context */
8716 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008717
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008718 /* Prepare the INIT parameters */
8719 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008720
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008721 /* Set the command */
8722 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008723
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008724 /* Change the state to INIT */
8725 rc = bnx2x_queue_state_change(bp, &q_params);
8726 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008727 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008728 return rc;
8729 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008730
Merav Sicron51c1a582012-03-18 10:33:38 +00008731 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008732
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008733 /* Now move the Queue to the SETUP state... */
8734 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008735
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008736 /* Set QUEUE flags */
8737 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008738
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008739 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008740 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8741 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008742
Ariel Elior6383c0b2011-07-14 08:31:57 +00008743 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008744 &setup_params->rxq_params);
8745
Ariel Elior6383c0b2011-07-14 08:31:57 +00008746 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8747 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008748
8749 /* Set the command */
8750 q_params.cmd = BNX2X_Q_CMD_SETUP;
8751
Merav Sicron55c11942012-11-07 00:45:48 +00008752 if (IS_FCOE_FP(fp))
8753 bp->fcoe_init = true;
8754
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008755 /* Change the state to SETUP */
8756 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008757 if (rc) {
8758 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8759 return rc;
8760 }
8761
8762 /* loop through the relevant tx-only indices */
8763 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8764 tx_index < fp->max_cos;
8765 tx_index++) {
8766
8767 /* prepare and send tx-only ramrod*/
8768 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8769 tx_only_params, tx_index, leading);
8770 if (rc) {
8771 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8772 fp->index, tx_index);
8773 return rc;
8774 }
8775 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008776
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008777 return rc;
8778}
8779
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008780static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008781{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008782 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008783 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008784 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008785 int rc, tx_index;
8786
Merav Sicron51c1a582012-03-18 10:33:38 +00008787 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008788
Barak Witkowski15192a82012-06-19 07:48:28 +00008789 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008790 /* We want to wait for completion in this context */
8791 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008792
Ariel Elior6383c0b2011-07-14 08:31:57 +00008793 /* close tx-only connections */
8794 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8795 tx_index < fp->max_cos;
8796 tx_index++){
8797
8798 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008799 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008800
Merav Sicron51c1a582012-03-18 10:33:38 +00008801 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008802 txdata->txq_index);
8803
8804 /* send halt terminate on tx-only connection */
8805 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8806 memset(&q_params.params.terminate, 0,
8807 sizeof(q_params.params.terminate));
8808 q_params.params.terminate.cid_index = tx_index;
8809
8810 rc = bnx2x_queue_state_change(bp, &q_params);
8811 if (rc)
8812 return rc;
8813
8814 /* send halt terminate on tx-only connection */
8815 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8816 memset(&q_params.params.cfc_del, 0,
8817 sizeof(q_params.params.cfc_del));
8818 q_params.params.cfc_del.cid_index = tx_index;
8819 rc = bnx2x_queue_state_change(bp, &q_params);
8820 if (rc)
8821 return rc;
8822 }
8823 /* Stop the primary connection: */
8824 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008825 q_params.cmd = BNX2X_Q_CMD_HALT;
8826 rc = bnx2x_queue_state_change(bp, &q_params);
8827 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008828 return rc;
8829
Ariel Elior6383c0b2011-07-14 08:31:57 +00008830 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008831 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008832 memset(&q_params.params.terminate, 0,
8833 sizeof(q_params.params.terminate));
8834 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008835 rc = bnx2x_queue_state_change(bp, &q_params);
8836 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008837 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008838 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008839 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008840 memset(&q_params.params.cfc_del, 0,
8841 sizeof(q_params.params.cfc_del));
8842 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008843 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008844}
8845
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008846static void bnx2x_reset_func(struct bnx2x *bp)
8847{
8848 int port = BP_PORT(bp);
8849 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008850 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008851
8852 /* Disable the function in the FW */
8853 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8854 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8855 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8856 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8857
8858 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008859 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008860 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008861 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008862 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8863 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008864 }
8865
Merav Sicron55c11942012-11-07 00:45:48 +00008866 if (CNIC_LOADED(bp))
8867 /* CNIC SB */
8868 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8869 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8870 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8871
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008872 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008873 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Yuval Mintz2de67432013-01-23 03:21:43 +00008874 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8875 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008876
8877 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8878 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8879 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008880
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008881 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008882 if (bp->common.int_block == INT_BLOCK_HC) {
8883 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8884 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8885 } else {
8886 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8887 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8888 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008889
Merav Sicron55c11942012-11-07 00:45:48 +00008890 if (CNIC_LOADED(bp)) {
8891 /* Disable Timer scan */
8892 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8893 /*
8894 * Wait for at least 10ms and up to 2 second for the timers
8895 * scan to complete
8896 */
8897 for (i = 0; i < 200; i++) {
Yuval Mintz639d65b2013-06-02 00:06:21 +00008898 usleep_range(10000, 20000);
Merav Sicron55c11942012-11-07 00:45:48 +00008899 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8900 break;
8901 }
Michael Chan37b091b2009-10-10 13:46:55 +00008902 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008903 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008904 bnx2x_clear_func_ilt(bp, func);
8905
8906 /* Timers workaround bug for E2: if this is vnic-3,
8907 * we need to set the entire ilt range for this timers.
8908 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008909 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008910 struct ilt_client_info ilt_cli;
8911 /* use dummy TM client */
8912 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8913 ilt_cli.start = 0;
8914 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8915 ilt_cli.client_num = ILT_CLIENT_TM;
8916
8917 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8918 }
8919
8920 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008921 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008922 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008923
8924 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008925}
8926
8927static void bnx2x_reset_port(struct bnx2x *bp)
8928{
8929 int port = BP_PORT(bp);
8930 u32 val;
8931
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008932 /* Reset physical Link */
8933 bnx2x__link_reset(bp);
8934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008935 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8936
8937 /* Do not rcv packets to BRB */
8938 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8939 /* Do not direct rcv packets that are not for MCP to the BRB */
8940 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8941 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8942
8943 /* Configure AEU */
8944 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8945
8946 msleep(100);
8947 /* Check for BRB port occupancy */
8948 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8949 if (val)
8950 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008951 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008952
8953 /* TODO: Close Doorbell port? */
8954}
8955
Eric Dumazet1191cb82012-04-27 21:39:21 +00008956static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008957{
Yuval Mintz3b603062012-03-18 10:33:39 +00008958 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008959
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008960 /* Prepare parameters for function state transitions */
8961 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008962
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008963 func_params.f_obj = &bp->func_obj;
8964 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008965
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008966 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008967
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008968 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008969}
8970
Eric Dumazet1191cb82012-04-27 21:39:21 +00008971static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008972{
Yuval Mintz3b603062012-03-18 10:33:39 +00008973 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008974 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008975
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008976 /* Prepare parameters for function state transitions */
8977 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8978 func_params.f_obj = &bp->func_obj;
8979 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008980
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008981 /*
8982 * Try to stop the function the 'good way'. If fails (in case
8983 * of a parity error during bnx2x_chip_cleanup()) and we are
8984 * not in a debug mode, perform a state transaction in order to
8985 * enable further HW_RESET transaction.
8986 */
8987 rc = bnx2x_func_state_change(bp, &func_params);
8988 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008989#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008990 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008991#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008992 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008993 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8994 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008995#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008996 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008997
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008998 return 0;
8999}
Yitchak Gertner65abd742008-08-25 15:26:24 -07009000
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009001/**
9002 * bnx2x_send_unload_req - request unload mode from the MCP.
9003 *
9004 * @bp: driver handle
9005 * @unload_mode: requested function's unload mode
9006 *
9007 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
9008 */
9009u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
9010{
9011 u32 reset_code = 0;
9012 int port = BP_PORT(bp);
9013
9014 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009015 if (unload_mode == UNLOAD_NORMAL)
9016 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08009017
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00009018 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009019 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009020
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00009021 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009022 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009023 u8 *mac_addr = bp->dev->dev_addr;
Jon Mason29ed74c2013-09-11 11:22:39 -07009024 struct pci_dev *pdev = bp->pdev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009025 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04009026 u16 pmc;
9027
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009028 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04009029 * preserve entry 0 which is used by the PMF
9030 */
David S. Miller8decf862011-09-22 03:23:13 -04009031 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009032
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009033 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07009034 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009035
9036 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
9037 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07009038 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009039
David S. Miller88c51002011-10-07 13:38:43 -04009040 /* Enable the PME and clear the status */
Jon Mason29ed74c2013-09-11 11:22:39 -07009041 pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &pmc);
David S. Miller88c51002011-10-07 13:38:43 -04009042 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
Jon Mason29ed74c2013-09-11 11:22:39 -07009043 pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, pmc);
David S. Miller88c51002011-10-07 13:38:43 -04009044
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08009046
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009047 } else
9048 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
9049
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009050 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009051 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009052 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009053 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009054 int path = BP_PATH(bp);
9055
Merav Sicron51c1a582012-03-18 10:33:38 +00009056 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
stephen hemmingera8f47eb2014-01-09 22:20:11 -08009057 path, bnx2x_load_count[path][0], bnx2x_load_count[path][1],
9058 bnx2x_load_count[path][2]);
9059 bnx2x_load_count[path][0]--;
9060 bnx2x_load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00009061 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
stephen hemmingera8f47eb2014-01-09 22:20:11 -08009062 path, bnx2x_load_count[path][0], bnx2x_load_count[path][1],
9063 bnx2x_load_count[path][2]);
9064 if (bnx2x_load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009065 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
stephen hemmingera8f47eb2014-01-09 22:20:11 -08009066 else if (bnx2x_load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009067 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
9068 else
9069 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
9070 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009071
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009072 return reset_code;
9073}
9074
9075/**
9076 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
9077 *
9078 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00009079 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009080 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009081void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009082{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009083 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
9084
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009085 /* Report UNLOAD_DONE to MCP */
9086 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00009087 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009088}
9089
Eric Dumazet1191cb82012-04-27 21:39:21 +00009090static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009091{
9092 int tout = 50;
9093 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
9094
9095 if (!bp->port.pmf)
9096 return 0;
9097
9098 /*
9099 * (assumption: No Attention from MCP at this stage)
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009100 * PMF probably in the middle of TX disable/enable transaction
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009101 * 1. Sync IRS for default SB
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009102 * 2. Sync SP queue - this guarantees us that attention handling started
9103 * 3. Wait, that TX disable/enable transaction completes
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009104 *
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009105 * 1+2 guarantee that if DCBx attention was scheduled it already changed
9106 * pending bit of transaction from STARTED-->TX_STOPPED, if we already
9107 * received completion for the transaction the state is TX_STOPPED.
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009108 * State will return to STARTED after completion of TX_STOPPED-->STARTED
9109 * transaction.
9110 */
9111
9112 /* make sure default SB ISR is done */
9113 if (msix)
9114 synchronize_irq(bp->msix_table[0].vector);
9115 else
9116 synchronize_irq(bp->pdev->irq);
9117
9118 flush_workqueue(bnx2x_wq);
Yuval Mintz370d4a22014-03-23 18:12:24 +02009119 flush_workqueue(bnx2x_iov_wq);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009120
9121 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
9122 BNX2X_F_STATE_STARTED && tout--)
9123 msleep(20);
9124
9125 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
9126 BNX2X_F_STATE_STARTED) {
9127#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009128 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009129 return -EBUSY;
9130#else
9131 /*
9132 * Failed to complete the transaction in a "good way"
9133 * Force both transactions with CLR bit
9134 */
Yuval Mintz3b603062012-03-18 10:33:39 +00009135 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009136
Merav Sicron51c1a582012-03-18 10:33:38 +00009137 DP(NETIF_MSG_IFDOWN,
Yuval Mintz0c23ad32014-08-17 16:47:45 +03009138 "Hmmm... Unexpected function state! Forcing STARTED-->TX_STOPPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009139
9140 func_params.f_obj = &bp->func_obj;
9141 __set_bit(RAMROD_DRV_CLR_ONLY,
9142 &func_params.ramrod_flags);
9143
9144 /* STARTED-->TX_ST0PPED */
9145 func_params.cmd = BNX2X_F_CMD_TX_STOP;
9146 bnx2x_func_state_change(bp, &func_params);
9147
9148 /* TX_ST0PPED-->STARTED */
9149 func_params.cmd = BNX2X_F_CMD_TX_START;
9150 return bnx2x_func_state_change(bp, &func_params);
9151#endif
9152 }
9153
9154 return 0;
9155}
9156
Michal Kalderoneeed0182014-08-17 16:47:44 +03009157static void bnx2x_disable_ptp(struct bnx2x *bp)
9158{
9159 int port = BP_PORT(bp);
9160
9161 /* Disable sending PTP packets to host */
9162 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
9163 NIG_REG_P0_LLH_PTP_TO_HOST, 0x0);
9164
9165 /* Reset PTP event detection rules */
9166 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
9167 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7FF);
9168 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
9169 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFF);
9170 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
9171 NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x7FF);
9172 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
9173 NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3FFF);
9174
9175 /* Disable the PTP feature */
9176 REG_WR(bp, port ? NIG_REG_P1_PTP_EN :
9177 NIG_REG_P0_PTP_EN, 0x0);
9178}
9179
9180/* Called during unload, to stop PTP-related stuff */
Lad, Prabhakar1444c302015-02-05 15:47:17 +00009181static void bnx2x_stop_ptp(struct bnx2x *bp)
Michal Kalderoneeed0182014-08-17 16:47:44 +03009182{
9183 /* Cancel PTP work queue. Should be done after the Tx queues are
9184 * drained to prevent additional scheduling.
9185 */
9186 cancel_work_sync(&bp->ptp_task);
9187
9188 if (bp->ptp_tx_skb) {
9189 dev_kfree_skb_any(bp->ptp_tx_skb);
9190 bp->ptp_tx_skb = NULL;
9191 }
9192
9193 /* Disable PTP in HW */
9194 bnx2x_disable_ptp(bp);
9195
9196 DP(BNX2X_MSG_PTP, "PTP stop ended successfully\n");
9197}
9198
Yuval Mintz5d07d862012-09-13 02:56:21 +00009199void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009200{
9201 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009202 int i, rc = 0;
9203 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00009204 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009205 u32 reset_code;
9206
9207 /* Wait until tx fastpath tasks complete */
9208 for_each_tx_queue(bp, i) {
9209 struct bnx2x_fastpath *fp = &bp->fp[i];
9210
Ariel Elior6383c0b2011-07-14 08:31:57 +00009211 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00009212 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009213#ifdef BNX2X_STOP_ON_ERROR
9214 if (rc)
9215 return;
9216#endif
9217 }
9218
9219 /* Give HW time to discard old tx messages */
Yuval Mintz0926d492013-01-23 03:21:45 +00009220 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009221
9222 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00009223 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
9224 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009225 if (rc < 0)
9226 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
9227
9228 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00009229 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009230 true);
9231 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00009232 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
9233 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009234
9235 /* Disable LLH */
9236 if (!CHIP_IS_E1(bp))
9237 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
9238
9239 /* Set "drop all" (stop Rx).
9240 * We need to take a netif_addr_lock() here in order to prevent
9241 * a race between the completion code and this code.
9242 */
9243 netif_addr_lock_bh(bp->dev);
9244 /* Schedule the rx_mode command */
9245 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
9246 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
9247 else
9248 bnx2x_set_storm_rx_mode(bp);
9249
9250 /* Cleanup multicast configuration */
9251 rparam.mcast_obj = &bp->mcast_obj;
9252 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
9253 if (rc < 0)
9254 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
9255
9256 netif_addr_unlock_bh(bp->dev);
9257
Ariel Eliorf1929b02013-01-01 05:22:41 +00009258 bnx2x_iov_chip_cleanup(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009259
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009260 /*
9261 * Send the UNLOAD_REQUEST to the MCP. This will return if
9262 * this function should perform FUNC, PORT or COMMON HW
9263 * reset.
9264 */
9265 reset_code = bnx2x_send_unload_req(bp, unload_mode);
9266
9267 /*
9268 * (assumption: No Attention from MCP at this stage)
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009269 * PMF probably in the middle of TX disable/enable transaction
Dmitry Kravkov6debea82011-07-19 01:42:04 +00009270 */
9271 rc = bnx2x_func_wait_started(bp);
9272 if (rc) {
9273 BNX2X_ERR("bnx2x_func_wait_started failed\n");
9274#ifdef BNX2X_STOP_ON_ERROR
9275 return;
9276#endif
9277 }
9278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009279 /* Close multi and leading connections
9280 * Completions for ramrods are collected in a synchronous way
9281 */
Merav Sicron55c11942012-11-07 00:45:48 +00009282 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009283 if (bnx2x_stop_queue(bp, i))
9284#ifdef BNX2X_STOP_ON_ERROR
9285 return;
9286#else
9287 goto unload_error;
9288#endif
Merav Sicron55c11942012-11-07 00:45:48 +00009289
9290 if (CNIC_LOADED(bp)) {
9291 for_each_cnic_queue(bp, i)
9292 if (bnx2x_stop_queue(bp, i))
9293#ifdef BNX2X_STOP_ON_ERROR
9294 return;
9295#else
9296 goto unload_error;
9297#endif
9298 }
9299
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009300 /* If SP settings didn't get completed so far - something
9301 * very wrong has happen.
9302 */
9303 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
9304 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
9305
9306#ifndef BNX2X_STOP_ON_ERROR
9307unload_error:
9308#endif
9309 rc = bnx2x_func_stop(bp);
9310 if (rc) {
9311 BNX2X_ERR("Function stop failed!\n");
9312#ifdef BNX2X_STOP_ON_ERROR
9313 return;
9314#endif
9315 }
9316
Michal Kalderoneeed0182014-08-17 16:47:44 +03009317 /* stop_ptp should be after the Tx queues are drained to prevent
9318 * scheduling to the cancelled PTP work queue. It should also be after
9319 * function stop ramrod is sent, since as part of this ramrod FW access
9320 * PTP registers.
9321 */
9322 bnx2x_stop_ptp(bp);
9323
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009324 /* Disable HW interrupts, NAPI */
9325 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00009326 /* Delete all NAPI objects */
9327 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00009328 if (CNIC_LOADED(bp))
9329 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009330
9331 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009332 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009334 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009335 rc = bnx2x_reset_hw(bp, reset_code);
9336 if (rc)
9337 BNX2X_ERR("HW_RESET failed\n");
9338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009339 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009340 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009341}
9342
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009343void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009344{
9345 u32 val;
9346
Merav Sicron51c1a582012-03-18 10:33:38 +00009347 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009348
9349 if (CHIP_IS_E1(bp)) {
9350 int port = BP_PORT(bp);
9351 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
9352 MISC_REG_AEU_MASK_ATTN_FUNC_0;
9353
9354 val = REG_RD(bp, addr);
9355 val &= ~(0x300);
9356 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009357 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009358 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
9359 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
9360 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
9361 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
9362 }
9363}
9364
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009365/* Close gates #2, #3 and #4: */
9366static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
9367{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009368 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009369
9370 /* Gates #2 and #4a are closed/opened for "not E1" only */
9371 if (!CHIP_IS_E1(bp)) {
9372 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009373 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009374 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009375 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009376 }
9377
9378 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009379 if (CHIP_IS_E1x(bp)) {
9380 /* Prevent interrupts from HC on both ports */
9381 val = REG_RD(bp, HC_REG_CONFIG_1);
9382 REG_WR(bp, HC_REG_CONFIG_1,
9383 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
9384 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
9385
9386 val = REG_RD(bp, HC_REG_CONFIG_0);
9387 REG_WR(bp, HC_REG_CONFIG_0,
9388 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
9389 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
9390 } else {
Jorrit Schippersd82603c2012-12-27 17:33:02 +01009391 /* Prevent incoming interrupts in IGU */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009392 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
9393
9394 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
9395 (!close) ?
9396 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
9397 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
9398 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009399
Merav Sicron51c1a582012-03-18 10:33:38 +00009400 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009401 close ? "closing" : "opening");
9402 mmiowb();
9403}
9404
9405#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
9406
9407static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
9408{
9409 /* Do some magic... */
9410 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9411 *magic_val = val & SHARED_MF_CLP_MAGIC;
9412 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
9413}
9414
Dmitry Kravkove8920672011-05-04 23:52:40 +00009415/**
9416 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009417 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009418 * @bp: driver handle
9419 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009420 */
9421static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
9422{
9423 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009424 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9425 MF_CFG_WR(bp, shared_mf_config.clp_mb,
9426 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
9427}
9428
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009429/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00009430 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009431 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009432 * @bp: driver handle
9433 * @magic_val: old value of 'magic' bit.
9434 *
9435 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009436 */
9437static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
9438{
9439 u32 shmem;
9440 u32 validity_offset;
9441
Merav Sicron51c1a582012-03-18 10:33:38 +00009442 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009443
9444 /* Set `magic' bit in order to save MF config */
9445 if (!CHIP_IS_E1(bp))
9446 bnx2x_clp_reset_prep(bp, magic_val);
9447
9448 /* Get shmem offset */
9449 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009450 validity_offset =
9451 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009452
9453 /* Clear validity map flags */
9454 if (shmem > 0)
9455 REG_WR(bp, shmem + validity_offset, 0);
9456}
9457
9458#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
9459#define MCP_ONE_TIMEOUT 100 /* 100 ms */
9460
Dmitry Kravkove8920672011-05-04 23:52:40 +00009461/**
9462 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009463 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009464 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009465 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00009466static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009467{
9468 /* special handling for emulation and FPGA,
9469 wait 10 times longer */
9470 if (CHIP_REV_IS_SLOW(bp))
9471 msleep(MCP_ONE_TIMEOUT*10);
9472 else
9473 msleep(MCP_ONE_TIMEOUT);
9474}
9475
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009476/*
9477 * initializes bp->common.shmem_base and waits for validity signature to appear
9478 */
9479static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009480{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009481 int cnt = 0;
9482 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009483
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009484 do {
9485 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9486 if (bp->common.shmem_base) {
9487 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9488 if (val & SHR_MEM_VALIDITY_MB)
9489 return 0;
9490 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009491
9492 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009493
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009494 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009495
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009496 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009497
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009498 return -ENODEV;
9499}
9500
9501static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
9502{
9503 int rc = bnx2x_init_shmem(bp);
9504
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009505 /* Restore the `magic' bit value */
9506 if (!CHIP_IS_E1(bp))
9507 bnx2x_clp_reset_done(bp, magic_val);
9508
9509 return rc;
9510}
9511
9512static void bnx2x_pxp_prep(struct bnx2x *bp)
9513{
9514 if (!CHIP_IS_E1(bp)) {
9515 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
9516 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009517 mmiowb();
9518 }
9519}
9520
9521/*
9522 * Reset the whole chip except for:
9523 * - PCIE core
9524 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
9525 * one reset bit)
9526 * - IGU
9527 * - MISC (including AEU)
9528 * - GRC
9529 * - RBCN, RBCP
9530 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009531static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009532{
9533 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009534 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009535
9536 /*
9537 * Bits that have to be set in reset_mask2 if we want to reset 'global'
9538 * (per chip) blocks.
9539 */
9540 global_bits2 =
9541 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
9542 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009543
Barak Witkowskic55e7712012-12-02 04:05:46 +00009544 /* Don't reset the following blocks.
9545 * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
9546 * reset, as in 4 port device they might still be owned
9547 * by the MCP (there is only one leader per path).
9548 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009549 not_reset_mask1 =
9550 MISC_REGISTERS_RESET_REG_1_RST_HC |
9551 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
9552 MISC_REGISTERS_RESET_REG_1_RST_PXP;
9553
9554 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009555 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009556 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
9557 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
9558 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
9559 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
9560 MISC_REGISTERS_RESET_REG_2_RST_GRC |
9561 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009562 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
9563 MISC_REGISTERS_RESET_REG_2_RST_ATC |
Barak Witkowskic55e7712012-12-02 04:05:46 +00009564 MISC_REGISTERS_RESET_REG_2_PGLC |
9565 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
9566 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
9567 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
9568 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
9569 MISC_REGISTERS_RESET_REG_2_UMAC0 |
9570 MISC_REGISTERS_RESET_REG_2_UMAC1;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009571
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009572 /*
9573 * Keep the following blocks in reset:
9574 * - all xxMACs are handled by the bnx2x_link code.
9575 */
9576 stay_reset2 =
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009577 MISC_REGISTERS_RESET_REG_2_XMAC |
9578 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
9579
9580 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009581 reset_mask1 = 0xffffffff;
9582
9583 if (CHIP_IS_E1(bp))
9584 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009585 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009586 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009587 else if (CHIP_IS_E2(bp))
9588 reset_mask2 = 0xfffff;
9589 else /* CHIP_IS_E3 */
9590 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009591
9592 /* Don't reset global blocks unless we need to */
9593 if (!global)
9594 reset_mask2 &= ~global_bits2;
9595
9596 /*
9597 * In case of attention in the QM, we need to reset PXP
9598 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
9599 * because otherwise QM reset would release 'close the gates' shortly
9600 * before resetting the PXP, then the PSWRQ would send a write
9601 * request to PGLUE. Then when PXP is reset, PGLUE would try to
9602 * read the payload data from PSWWR, but PSWWR would not
9603 * respond. The write queue in PGLUE would stuck, dmae commands
9604 * would not return. Therefore it's important to reset the second
9605 * reset register (containing the
9606 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
9607 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
9608 * bit).
9609 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009610 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
9611 reset_mask2 & (~not_reset_mask2));
9612
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009613 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
9614 reset_mask1 & (~not_reset_mask1));
9615
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009616 barrier();
9617 mmiowb();
9618
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009619 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
9620 reset_mask2 & (~stay_reset2));
9621
9622 barrier();
9623 mmiowb();
9624
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009625 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009626 mmiowb();
9627}
9628
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009629/**
9630 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
9631 * It should get cleared in no more than 1s.
9632 *
9633 * @bp: driver handle
9634 *
9635 * It should get cleared in no more than 1s. Returns 0 if
9636 * pending writes bit gets cleared.
9637 */
9638static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
9639{
9640 u32 cnt = 1000;
9641 u32 pend_bits = 0;
9642
9643 do {
9644 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
9645
9646 if (pend_bits == 0)
9647 break;
9648
Yuval Mintz0926d492013-01-23 03:21:45 +00009649 usleep_range(1000, 2000);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009650 } while (cnt-- > 0);
9651
9652 if (cnt <= 0) {
9653 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
9654 pend_bits);
9655 return -EBUSY;
9656 }
9657
9658 return 0;
9659}
9660
9661static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009662{
9663 int cnt = 1000;
9664 u32 val = 0;
9665 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
Yuval Mintz2de67432013-01-23 03:21:43 +00009666 u32 tags_63_32 = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009667
9668 /* Empty the Tetris buffer, wait for 1s */
9669 do {
9670 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
9671 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
9672 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
9673 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
9674 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009675 if (CHIP_IS_E3(bp))
9676 tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
9677
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009678 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
9679 ((port_is_idle_0 & 0x1) == 0x1) &&
9680 ((port_is_idle_1 & 0x1) == 0x1) &&
Barak Witkowskic55e7712012-12-02 04:05:46 +00009681 (pgl_exp_rom2 == 0xffffffff) &&
9682 (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009683 break;
Yuval Mintz0926d492013-01-23 03:21:45 +00009684 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009685 } while (cnt-- > 0);
9686
9687 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009688 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
9689 BNX2X_ERR("sr_cnt=0x%08x, blk_cnt=0x%08x, port_is_idle_0=0x%08x, port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009690 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
9691 pgl_exp_rom2);
9692 return -EAGAIN;
9693 }
9694
9695 barrier();
9696
9697 /* Close gates #2, #3 and #4 */
9698 bnx2x_set_234_gates(bp, true);
9699
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009700 /* Poll for IGU VQs for 57712 and newer chips */
9701 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
9702 return -EAGAIN;
9703
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009704 /* TBD: Indicate that "process kill" is in progress to MCP */
9705
9706 /* Clear "unprepared" bit */
9707 REG_WR(bp, MISC_REG_UNPREPARED, 0);
9708 barrier();
9709
9710 /* Make sure all is written to the chip before the reset */
9711 mmiowb();
9712
9713 /* Wait for 1ms to empty GLUE and PCI-E core queues,
9714 * PSWHST, GRC and PSWRD Tetris buffer.
9715 */
Yuval Mintz0926d492013-01-23 03:21:45 +00009716 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009717
9718 /* Prepare to chip reset: */
9719 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009720 if (global)
9721 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009722
9723 /* PXP */
9724 bnx2x_pxp_prep(bp);
9725 barrier();
9726
9727 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009728 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009729 barrier();
9730
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +02009731 /* clear errors in PGB */
9732 if (!CHIP_IS_E1x(bp))
9733 REG_WR(bp, PGLUE_B_REG_LATCHED_ERRORS_CLR, 0x7f);
9734
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009735 /* Recover after reset: */
9736 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009737 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009738 return -EAGAIN;
9739
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009740 /* TBD: Add resetting the NO_MCP mode DB here */
9741
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009742 /* Open the gates #2, #3 and #4 */
9743 bnx2x_set_234_gates(bp, false);
9744
9745 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9746 * reset state, re-enable attentions. */
9747
9748 return 0;
9749}
9750
Merav Sicron910cc722012-11-11 03:56:08 +00009751static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009752{
9753 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009754 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009755 u32 load_code;
9756
9757 /* if not going to reset MCP - load "fake" driver to reset HW while
9758 * driver is owner of the HW
9759 */
9760 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009761 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9762 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009763 if (!load_code) {
9764 BNX2X_ERR("MCP response failure, aborting\n");
9765 rc = -EAGAIN;
9766 goto exit_leader_reset;
9767 }
9768 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9769 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9770 BNX2X_ERR("MCP unexpected resp, aborting\n");
9771 rc = -EAGAIN;
9772 goto exit_leader_reset2;
9773 }
9774 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9775 if (!load_code) {
9776 BNX2X_ERR("MCP response failure, aborting\n");
9777 rc = -EAGAIN;
9778 goto exit_leader_reset2;
9779 }
9780 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009781
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009782 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009783 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009784 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9785 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009786 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009787 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009788 }
9789
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009790 /*
9791 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9792 * state.
9793 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009794 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009795 if (global)
9796 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009797
Ariel Elior95c6c6162012-01-26 06:01:52 +00009798exit_leader_reset2:
9799 /* unload "fake driver" if it was loaded */
9800 if (!global && !BP_NOMCP(bp)) {
9801 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9802 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9803 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009804exit_leader_reset:
9805 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009806 bnx2x_release_leader_lock(bp);
9807 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009808 return rc;
9809}
9810
Eric Dumazet1191cb82012-04-27 21:39:21 +00009811static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009812{
9813 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9814
9815 /* Disconnect this device */
9816 netif_device_detach(bp->dev);
9817
9818 /*
9819 * Block ifup for all function on this engine until "process kill"
9820 * or power cycle.
9821 */
9822 bnx2x_set_reset_in_progress(bp);
9823
9824 /* Shut down the power */
9825 bnx2x_set_power_state(bp, PCI_D3hot);
9826
9827 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9828
9829 smp_mb();
9830}
9831
9832/*
9833 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009834 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009835 * will never be called when netif_running(bp->dev) is false.
9836 */
9837static void bnx2x_parity_recover(struct bnx2x *bp)
9838{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009839 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009840 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009841 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009842
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009843 DP(NETIF_MSG_HW, "Handling parity\n");
9844 while (1) {
9845 switch (bp->recovery_state) {
9846 case BNX2X_RECOVERY_INIT:
9847 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009848 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9849 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009850
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009851 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009852 if (bnx2x_trylock_leader_lock(bp)) {
9853 bnx2x_set_reset_in_progress(bp);
9854 /*
9855 * Check if there is a global attention and if
9856 * there was a global attention, set the global
9857 * reset bit.
9858 */
9859
9860 if (global)
9861 bnx2x_set_reset_global(bp);
9862
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009863 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009864 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009865
9866 /* Stop the driver */
9867 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009868 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009869 return;
9870
9871 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009872
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009873 /* Ensure "is_leader", MCP command sequence and
9874 * "recovery_state" update values are seen on other
9875 * CPUs.
9876 */
9877 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009878 break;
9879
9880 case BNX2X_RECOVERY_WAIT:
9881 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9882 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009883 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009884 bool other_load_status =
9885 bnx2x_get_load_status(bp, other_engine);
9886 bool load_status =
9887 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009888 global = bnx2x_reset_is_global(bp);
9889
9890 /*
9891 * In case of a parity in a global block, let
9892 * the first leader that performs a
9893 * leader_reset() reset the global blocks in
9894 * order to clear global attentions. Otherwise
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009895 * the gates will remain closed for that
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009896 * engine.
9897 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009898 if (load_status ||
9899 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009900 /* Wait until all other functions get
9901 * down.
9902 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009903 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009904 HZ/10);
9905 return;
9906 } else {
9907 /* If all other functions got down -
9908 * try to bring the chip back to
9909 * normal. In any case it's an exit
9910 * point for a leader.
9911 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009912 if (bnx2x_leader_reset(bp)) {
9913 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009914 return;
9915 }
9916
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009917 /* If we are here, means that the
9918 * leader has succeeded and doesn't
9919 * want to be a leader any more. Try
9920 * to continue as a none-leader.
9921 */
9922 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009923 }
9924 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009925 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009926 /* Try to get a LEADER_LOCK HW lock as
9927 * long as a former leader may have
9928 * been unloaded by the user or
9929 * released a leadership by another
9930 * reason.
9931 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009932 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009933 /* I'm a leader now! Restart a
9934 * switch case.
9935 */
9936 bp->is_leader = 1;
9937 break;
9938 }
9939
Ariel Elior7be08a72011-07-14 08:31:19 +00009940 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009941 HZ/10);
9942 return;
9943
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009944 } else {
9945 /*
9946 * If there was a global attention, wait
9947 * for it to be cleared.
9948 */
9949 if (bnx2x_reset_is_global(bp)) {
9950 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009951 &bp->sp_rtnl_task,
9952 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009953 return;
9954 }
9955
Ariel Elior7a752992012-01-26 06:01:53 +00009956 error_recovered =
9957 bp->eth_stats.recoverable_error;
9958 error_unrecovered =
9959 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009960 bp->recovery_state =
9961 BNX2X_RECOVERY_NIC_LOADING;
9962 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009963 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009964 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009965 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009966 /* Disconnect this device */
9967 netif_device_detach(bp->dev);
9968 /* Shut down the power */
9969 bnx2x_set_power_state(
9970 bp, PCI_D3hot);
9971 smp_mb();
9972 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009973 bp->recovery_state =
9974 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009975 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009976 smp_mb();
9977 }
Ariel Elior7a752992012-01-26 06:01:53 +00009978 bp->eth_stats.recoverable_error =
9979 error_recovered;
9980 bp->eth_stats.unrecoverable_error =
9981 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009982
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009983 return;
9984 }
9985 }
9986 default:
9987 return;
9988 }
9989 }
9990}
9991
Michal Schmidt56ad3152012-02-16 02:38:48 +00009992static int bnx2x_close(struct net_device *dev);
9993
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009994/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9995 * scheduled on a general queue in order to prevent a dead lock.
9996 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009997static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009998{
Ariel Elior7be08a72011-07-14 08:31:19 +00009999 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010000
10001 rtnl_lock();
10002
Ariel Elior8395be52013-01-01 05:22:44 +000010003 if (!netif_running(bp->dev)) {
10004 rtnl_unlock();
10005 return;
10006 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010007
Ariel Elior7be08a72011-07-14 08:31:19 +000010008 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +000010009#ifdef BNX2X_STOP_ON_ERROR
10010 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
10011 "you will need to reboot when done\n");
10012 goto sp_rtnl_not_reset;
10013#endif
Ariel Elior7be08a72011-07-14 08:31:19 +000010014 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010015 * Clear all pending SP commands as we are going to reset the
10016 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +000010017 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010018 bp->sp_rtnl_state = 0;
10019 smp_mb();
10020
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010021 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010022
Ariel Elior8395be52013-01-01 05:22:44 +000010023 rtnl_unlock();
10024 return;
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010025 }
10026
10027 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +000010028#ifdef BNX2X_STOP_ON_ERROR
10029 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
10030 "you will need to reboot when done\n");
10031 goto sp_rtnl_not_reset;
10032#endif
10033
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010034 /*
10035 * Clear all pending SP commands as we are going to reset the
10036 * function anyway.
10037 */
10038 bp->sp_rtnl_state = 0;
10039 smp_mb();
10040
Yuval Mintz5d07d862012-09-13 02:56:21 +000010041 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010042 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010043
Ariel Elior8395be52013-01-01 05:22:44 +000010044 rtnl_unlock();
10045 return;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010046 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +000010047#ifdef BNX2X_STOP_ON_ERROR
10048sp_rtnl_not_reset:
10049#endif
10050 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
10051 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +000010052 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
10053 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +000010054 /*
10055 * in case of fan failure we need to reset id if the "stop on error"
10056 * debug flag is set, since we trying to prevent permanent overheating
10057 * damage
10058 */
10059 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010060 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +000010061 netif_device_detach(bp->dev);
10062 bnx2x_close(bp->dev);
Ariel Elior8395be52013-01-01 05:22:44 +000010063 rtnl_unlock();
10064 return;
Ariel Elior83048592011-11-13 04:34:29 +000010065 }
10066
Ariel Elior381ac162013-01-01 05:22:29 +000010067 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_MCAST, &bp->sp_rtnl_state)) {
10068 DP(BNX2X_MSG_SP,
10069 "sending set mcast vf pf channel message from rtnl sp-task\n");
10070 bnx2x_vfpf_set_mcast(bp->dev);
10071 }
Ariel Elior78c3bcc2013-06-20 17:39:08 +030010072 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
10073 &bp->sp_rtnl_state)){
10074 if (!test_bit(__LINK_STATE_NOCARRIER, &bp->dev->state)) {
10075 bnx2x_tx_disable(bp);
10076 BNX2X_ERR("PF indicated channel is not servicable anymore. This means this VF device is no longer operational\n");
10077 }
10078 }
Ariel Elior381ac162013-01-01 05:22:29 +000010079
Yuval Mintz8b09be52013-08-01 17:30:59 +030010080 if (test_and_clear_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state)) {
10081 DP(BNX2X_MSG_SP, "Handling Rx Mode setting\n");
10082 bnx2x_set_rx_mode_inner(bp);
Ariel Elior381ac162013-01-01 05:22:29 +000010083 }
10084
Ariel Elior3ec9f9c2013-03-11 05:17:45 +000010085 if (test_and_clear_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
10086 &bp->sp_rtnl_state))
10087 bnx2x_pf_set_vfs_vlan(bp);
10088
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +020010089 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) {
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +030010090 bnx2x_dcbx_stop_hw_tx(bp);
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +030010091 bnx2x_dcbx_resume_hw_tx(bp);
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +020010092 }
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +030010093
Yuval Mintz42f82772014-03-23 18:12:23 +020010094 if (test_and_clear_bit(BNX2X_SP_RTNL_GET_DRV_VERSION,
10095 &bp->sp_rtnl_state))
10096 bnx2x_update_mng_version(bp);
10097
Ariel Elior8395be52013-01-01 05:22:44 +000010098 /* work which needs rtnl lock not-taken (as it takes the lock itself and
10099 * can be called from other contexts as well)
10100 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010101 rtnl_unlock();
Ariel Elior8395be52013-01-01 05:22:44 +000010102
Ariel Elior64112802013-01-07 00:50:23 +000010103 /* enable SR-IOV if applicable */
Ariel Elior8395be52013-01-01 05:22:44 +000010104 if (IS_SRIOV(bp) && test_and_clear_bit(BNX2X_SP_RTNL_ENABLE_SRIOV,
Ariel Elior3c76fef2013-03-11 05:17:46 +000010105 &bp->sp_rtnl_state)) {
10106 bnx2x_disable_sriov(bp);
Ariel Elior64112802013-01-07 00:50:23 +000010107 bnx2x_enable_sriov(bp);
Ariel Elior3c76fef2013-03-11 05:17:46 +000010108 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010109}
10110
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010111static void bnx2x_period_task(struct work_struct *work)
10112{
10113 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
10114
10115 if (!netif_running(bp->dev))
10116 goto period_task_exit;
10117
10118 if (CHIP_REV_IS_SLOW(bp)) {
10119 BNX2X_ERR("period task called on emulation, ignoring\n");
10120 goto period_task_exit;
10121 }
10122
10123 bnx2x_acquire_phy_lock(bp);
10124 /*
10125 * The barrier is needed to ensure the ordering between the writing to
10126 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
10127 * the reading here.
10128 */
10129 smp_mb();
10130 if (bp->port.pmf) {
10131 bnx2x_period_func(&bp->link_params, &bp->link_vars);
10132
10133 /* Re-queue task in 1 sec */
10134 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
10135 }
10136
10137 bnx2x_release_phy_lock(bp);
10138period_task_exit:
10139 return;
10140}
10141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010142/*
10143 * Init service functions
10144 */
10145
stephen hemmingera8f47eb2014-01-09 22:20:11 -080010146static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +000010147{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010148 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
10149 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
10150 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +000010151}
10152
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010153static bool bnx2x_prev_unload_close_umac(struct bnx2x *bp,
10154 u8 port, u32 reset_reg,
10155 struct bnx2x_mac_vals *vals)
10156{
10157 u32 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
10158 u32 base_addr;
10159
10160 if (!(mask & reset_reg))
10161 return false;
10162
10163 BNX2X_DEV_INFO("Disable umac Rx %02x\n", port);
10164 base_addr = port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10165 vals->umac_addr[port] = base_addr + UMAC_REG_COMMAND_CONFIG;
10166 vals->umac_val[port] = REG_RD(bp, vals->umac_addr[port]);
10167 REG_WR(bp, vals->umac_addr[port], 0);
10168
10169 return true;
10170}
10171
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010172static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
10173 struct bnx2x_mac_vals *vals)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010174{
Yuval Mintz452427b2012-03-26 20:47:07 +000010175 u32 val, base_addr, offset, mask, reset_reg;
10176 bool mac_stopped = false;
10177 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010178
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010179 /* reset addresses as they also mark which values were changed */
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010180 memset(vals, 0, sizeof(*vals));
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010181
Yuval Mintz452427b2012-03-26 20:47:07 +000010182 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -040010183
Yuval Mintz452427b2012-03-26 20:47:07 +000010184 if (!CHIP_IS_E3(bp)) {
10185 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
10186 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
10187 if ((mask & reset_reg) && val) {
10188 u32 wb_data[2];
10189 BNX2X_DEV_INFO("Disable bmac Rx\n");
10190 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
10191 : NIG_REG_INGRESS_BMAC0_MEM;
10192 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
10193 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +000010194
Yuval Mintz452427b2012-03-26 20:47:07 +000010195 /*
10196 * use rd/wr since we cannot use dmae. This is safe
10197 * since MCP won't access the bus due to the request
10198 * to unload, and no function on the path can be
10199 * loaded at this time.
10200 */
10201 wb_data[0] = REG_RD(bp, base_addr + offset);
10202 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010203 vals->bmac_addr = base_addr + offset;
10204 vals->bmac_val[0] = wb_data[0];
10205 vals->bmac_val[1] = wb_data[1];
Yuval Mintz452427b2012-03-26 20:47:07 +000010206 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010207 REG_WR(bp, vals->bmac_addr, wb_data[0]);
10208 REG_WR(bp, vals->bmac_addr + 0x4, wb_data[1]);
Yuval Mintz452427b2012-03-26 20:47:07 +000010209 }
10210 BNX2X_DEV_INFO("Disable emac Rx\n");
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010211 vals->emac_addr = NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4;
10212 vals->emac_val = REG_RD(bp, vals->emac_addr);
10213 REG_WR(bp, vals->emac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +000010214 mac_stopped = true;
10215 } else {
10216 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
10217 BNX2X_DEV_INFO("Disable xmac Rx\n");
10218 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
10219 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
10220 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
10221 val & ~(1 << 1));
10222 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
10223 val | (1 << 1));
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010224 vals->xmac_addr = base_addr + XMAC_REG_CTRL;
10225 vals->xmac_val = REG_RD(bp, vals->xmac_addr);
10226 REG_WR(bp, vals->xmac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +000010227 mac_stopped = true;
10228 }
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010229
10230 mac_stopped |= bnx2x_prev_unload_close_umac(bp, 0,
10231 reset_reg, vals);
10232 mac_stopped |= bnx2x_prev_unload_close_umac(bp, 1,
10233 reset_reg, vals);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010234 }
Ariel Eliorf16da432012-01-26 06:01:50 +000010235
Yuval Mintz452427b2012-03-26 20:47:07 +000010236 if (mac_stopped)
10237 msleep(20);
Yuval Mintz452427b2012-03-26 20:47:07 +000010238}
10239
10240#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010241#define BNX2X_PREV_UNDI_PROD_ADDR_H(f) (BAR_TSTRORM_INTMEM + \
10242 0x1848 + ((f) << 4))
Yuval Mintz452427b2012-03-26 20:47:07 +000010243#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
10244#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
10245#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
10246
Yuval Mintz91ebb922013-12-26 09:57:07 +020010247#define BCM_5710_UNDI_FW_MF_MAJOR (0x07)
10248#define BCM_5710_UNDI_FW_MF_MINOR (0x08)
10249#define BCM_5710_UNDI_FW_MF_VERS (0x05)
Yuval Mintzb17b0ca2014-06-12 07:55:31 +030010250
10251static bool bnx2x_prev_is_after_undi(struct bnx2x *bp)
10252{
10253 /* UNDI marks its presence in DORQ -
10254 * it initializes CID offset for normal bell to 0x7
10255 */
10256 if (!(REG_RD(bp, MISC_REG_RESET_REG_1) &
10257 MISC_REGISTERS_RESET_REG_1_RST_DORQ))
10258 return false;
10259
10260 if (REG_RD(bp, DORQ_REG_NORM_CID_OFST) == 0x7) {
10261 BNX2X_DEV_INFO("UNDI previously loaded\n");
10262 return true;
10263 }
10264
10265 return false;
10266}
10267
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010268static void bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 inc)
Yuval Mintz452427b2012-03-26 20:47:07 +000010269{
10270 u16 rcq, bd;
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010271 u32 addr, tmp_reg;
Yuval Mintz452427b2012-03-26 20:47:07 +000010272
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010273 if (BP_FUNC(bp) < 2)
10274 addr = BNX2X_PREV_UNDI_PROD_ADDR(BP_PORT(bp));
10275 else
10276 addr = BNX2X_PREV_UNDI_PROD_ADDR_H(BP_FUNC(bp) - 2);
10277
10278 tmp_reg = REG_RD(bp, addr);
Yuval Mintz452427b2012-03-26 20:47:07 +000010279 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
10280 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
10281
10282 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010283 REG_WR(bp, addr, tmp_reg);
Yuval Mintz452427b2012-03-26 20:47:07 +000010284
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010285 BNX2X_DEV_INFO("UNDI producer [%d/%d][%08x] rings bd -> 0x%04x, rcq -> 0x%04x\n",
10286 BP_PORT(bp), BP_FUNC(bp), addr, bd, rcq);
Yuval Mintz452427b2012-03-26 20:47:07 +000010287}
10288
Bill Pemberton0329aba2012-12-03 09:24:24 -050010289static int bnx2x_prev_mcp_done(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010290{
Yuval Mintz5d07d862012-09-13 02:56:21 +000010291 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
10292 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +000010293 if (!rc) {
10294 BNX2X_ERR("MCP response failure, aborting\n");
10295 return -EBUSY;
10296 }
10297
10298 return 0;
10299}
10300
Barak Witkowskic63da992012-12-05 23:04:03 +000010301static struct bnx2x_prev_path_list *
10302 bnx2x_prev_path_get_entry(struct bnx2x *bp)
10303{
10304 struct bnx2x_prev_path_list *tmp_list;
10305
10306 list_for_each_entry(tmp_list, &bnx2x_prev_list, list)
10307 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
10308 bp->pdev->bus->number == tmp_list->bus &&
10309 BP_PATH(bp) == tmp_list->path)
10310 return tmp_list;
10311
10312 return NULL;
10313}
10314
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010315static int bnx2x_prev_path_mark_eeh(struct bnx2x *bp)
10316{
10317 struct bnx2x_prev_path_list *tmp_list;
10318 int rc;
10319
10320 rc = down_interruptible(&bnx2x_prev_sem);
10321 if (rc) {
10322 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10323 return rc;
10324 }
10325
10326 tmp_list = bnx2x_prev_path_get_entry(bp);
10327 if (tmp_list) {
10328 tmp_list->aer = 1;
10329 rc = 0;
10330 } else {
10331 BNX2X_ERR("path %d: Entry does not exist for eeh; Flow occurs before initial insmod is over ?\n",
10332 BP_PATH(bp));
10333 }
10334
10335 up(&bnx2x_prev_sem);
10336
10337 return rc;
10338}
10339
Bill Pemberton0329aba2012-12-03 09:24:24 -050010340static bool bnx2x_prev_is_path_marked(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010341{
10342 struct bnx2x_prev_path_list *tmp_list;
Peter Senna Tschudinb85d7172013-10-02 14:19:49 +020010343 bool rc = false;
Yuval Mintz452427b2012-03-26 20:47:07 +000010344
10345 if (down_trylock(&bnx2x_prev_sem))
10346 return false;
10347
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010348 tmp_list = bnx2x_prev_path_get_entry(bp);
10349 if (tmp_list) {
10350 if (tmp_list->aer) {
10351 DP(NETIF_MSG_HW, "Path %d was marked by AER\n",
10352 BP_PATH(bp));
10353 } else {
Yuval Mintz452427b2012-03-26 20:47:07 +000010354 rc = true;
10355 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
10356 BP_PATH(bp));
Yuval Mintz452427b2012-03-26 20:47:07 +000010357 }
10358 }
10359
10360 up(&bnx2x_prev_sem);
10361
10362 return rc;
10363}
10364
Dmitry Kravkov178135c2013-05-22 21:21:50 +000010365bool bnx2x_port_after_undi(struct bnx2x *bp)
10366{
10367 struct bnx2x_prev_path_list *entry;
10368 bool val;
10369
10370 down(&bnx2x_prev_sem);
10371
10372 entry = bnx2x_prev_path_get_entry(bp);
10373 val = !!(entry && (entry->undi & (1 << BP_PORT(bp))));
10374
10375 up(&bnx2x_prev_sem);
10376
10377 return val;
10378}
10379
Barak Witkowskic63da992012-12-05 23:04:03 +000010380static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi)
Yuval Mintz452427b2012-03-26 20:47:07 +000010381{
10382 struct bnx2x_prev_path_list *tmp_list;
10383 int rc;
10384
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010385 rc = down_interruptible(&bnx2x_prev_sem);
10386 if (rc) {
10387 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10388 return rc;
10389 }
10390
10391 /* Check whether the entry for this path already exists */
10392 tmp_list = bnx2x_prev_path_get_entry(bp);
10393 if (tmp_list) {
10394 if (!tmp_list->aer) {
10395 BNX2X_ERR("Re-Marking the path.\n");
10396 } else {
10397 DP(NETIF_MSG_HW, "Removing AER indication from path %d\n",
10398 BP_PATH(bp));
10399 tmp_list->aer = 0;
10400 }
10401 up(&bnx2x_prev_sem);
10402 return 0;
10403 }
10404 up(&bnx2x_prev_sem);
10405
10406 /* Create an entry for this path and add it */
Devendra Nagaea4b3852012-07-29 03:19:23 +000010407 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +000010408 if (!tmp_list) {
10409 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
10410 return -ENOMEM;
10411 }
10412
10413 tmp_list->bus = bp->pdev->bus->number;
10414 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
10415 tmp_list->path = BP_PATH(bp);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010416 tmp_list->aer = 0;
Barak Witkowskic63da992012-12-05 23:04:03 +000010417 tmp_list->undi = after_undi ? (1 << BP_PORT(bp)) : 0;
Yuval Mintz452427b2012-03-26 20:47:07 +000010418
10419 rc = down_interruptible(&bnx2x_prev_sem);
10420 if (rc) {
10421 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10422 kfree(tmp_list);
10423 } else {
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010424 DP(NETIF_MSG_HW, "Marked path [%d] - finished previous unload\n",
10425 BP_PATH(bp));
Yuval Mintz452427b2012-03-26 20:47:07 +000010426 list_add(&tmp_list->list, &bnx2x_prev_list);
10427 up(&bnx2x_prev_sem);
10428 }
10429
10430 return rc;
10431}
10432
Bill Pemberton0329aba2012-12-03 09:24:24 -050010433static int bnx2x_do_flr(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010434{
Yuval Mintz452427b2012-03-26 20:47:07 +000010435 struct pci_dev *dev = bp->pdev;
10436
Yuval Mintz8eee6942012-08-09 04:37:25 +000010437 if (CHIP_IS_E1x(bp)) {
10438 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
10439 return -EINVAL;
10440 }
10441
10442 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
10443 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
10444 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
10445 bp->common.bc_ver);
10446 return -EINVAL;
10447 }
Yuval Mintz452427b2012-03-26 20:47:07 +000010448
Casey Leedom8903b9e2013-08-06 15:48:38 +053010449 if (!pci_wait_for_pending_transaction(dev))
10450 dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010451
Yuval Mintz8eee6942012-08-09 04:37:25 +000010452 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010453 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
10454
10455 return 0;
10456}
10457
Bill Pemberton0329aba2012-12-03 09:24:24 -050010458static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010459{
10460 int rc;
10461
10462 BNX2X_DEV_INFO("Uncommon unload Flow\n");
10463
10464 /* Test if previous unload process was already finished for this path */
10465 if (bnx2x_prev_is_path_marked(bp))
10466 return bnx2x_prev_mcp_done(bp);
10467
Yuval Mintz04c46732013-01-23 03:21:46 +000010468 BNX2X_DEV_INFO("Path is unmarked\n");
10469
Yuval Mintzb17b0ca2014-06-12 07:55:31 +030010470 /* Cannot proceed with FLR if UNDI is loaded, since FW does not match */
10471 if (bnx2x_prev_is_after_undi(bp))
10472 goto out;
10473
Yuval Mintz452427b2012-03-26 20:47:07 +000010474 /* If function has FLR capabilities, and existing FW version matches
10475 * the one required, then FLR will be sufficient to clean any residue
10476 * left by previous driver
10477 */
Yuval Mintz91ebb922013-12-26 09:57:07 +020010478 rc = bnx2x_compare_fw_ver(bp, FW_MSG_CODE_DRV_LOAD_FUNCTION, false);
Yuval Mintz8eee6942012-08-09 04:37:25 +000010479
10480 if (!rc) {
10481 /* fw version is good */
10482 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
10483 rc = bnx2x_do_flr(bp);
10484 }
10485
10486 if (!rc) {
10487 /* FLR was performed */
10488 BNX2X_DEV_INFO("FLR successful\n");
10489 return 0;
10490 }
10491
10492 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010493
Yuval Mintzb17b0ca2014-06-12 07:55:31 +030010494out:
Yuval Mintz452427b2012-03-26 20:47:07 +000010495 /* Close the MCP request, return failure*/
10496 rc = bnx2x_prev_mcp_done(bp);
10497 if (!rc)
10498 rc = BNX2X_PREV_WAIT_NEEDED;
10499
10500 return rc;
10501}
10502
Bill Pemberton0329aba2012-12-03 09:24:24 -050010503static int bnx2x_prev_unload_common(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010504{
10505 u32 reset_reg, tmp_reg = 0, rc;
Barak Witkowskic63da992012-12-05 23:04:03 +000010506 bool prev_undi = false;
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010507 struct bnx2x_mac_vals mac_vals;
10508
Yuval Mintz452427b2012-03-26 20:47:07 +000010509 /* It is possible a previous function received 'common' answer,
10510 * but hasn't loaded yet, therefore creating a scenario of
10511 * multiple functions receiving 'common' on the same path.
10512 */
10513 BNX2X_DEV_INFO("Common unload Flow\n");
10514
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010515 memset(&mac_vals, 0, sizeof(mac_vals));
10516
Yuval Mintz452427b2012-03-26 20:47:07 +000010517 if (bnx2x_prev_is_path_marked(bp))
10518 return bnx2x_prev_mcp_done(bp);
10519
10520 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
10521
10522 /* Reset should be performed after BRB is emptied */
10523 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
10524 u32 timer_count = 1000;
Yuval Mintz452427b2012-03-26 20:47:07 +000010525
10526 /* Close the MAC Rx to prevent BRB from filling up */
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010527 bnx2x_prev_unload_close_mac(bp, &mac_vals);
10528
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010529 /* close LLH filters for both ports towards the BRB */
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010530 bnx2x_set_rx_filter(&bp->link_params, 0);
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010531 bp->link_params.port ^= 1;
10532 bnx2x_set_rx_filter(&bp->link_params, 0);
10533 bp->link_params.port ^= 1;
Yuval Mintz452427b2012-03-26 20:47:07 +000010534
Yuval Mintzb17b0ca2014-06-12 07:55:31 +030010535 /* Check if the UNDI driver was previously loaded */
10536 if (bnx2x_prev_is_after_undi(bp)) {
10537 prev_undi = true;
10538 /* clear the UNDI indication */
10539 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
10540 /* clear possible idle check errors */
10541 REG_RD(bp, NIG_REG_NIG_INT_STS_CLR_0);
Yuval Mintz452427b2012-03-26 20:47:07 +000010542 }
Dmitry Kravkovd46f7c42013-04-17 22:49:05 +000010543 if (!CHIP_IS_E1x(bp))
10544 /* block FW from writing to host */
10545 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
10546
Yuval Mintz452427b2012-03-26 20:47:07 +000010547 /* wait until BRB is empty */
10548 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10549 while (timer_count) {
10550 u32 prev_brb = tmp_reg;
10551
10552 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10553 if (!tmp_reg)
10554 break;
10555
10556 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
10557
10558 /* reset timer as long as BRB actually gets emptied */
10559 if (prev_brb > tmp_reg)
10560 timer_count = 1000;
10561 else
10562 timer_count--;
10563
Yuval Mintz7c3afd82014-08-18 22:36:23 +030010564 /* If UNDI resides in memory, manually increment it */
10565 if (prev_undi)
10566 bnx2x_prev_unload_undi_inc(bp, 1);
10567
Yuval Mintz452427b2012-03-26 20:47:07 +000010568 udelay(10);
10569 }
10570
10571 if (!timer_count)
10572 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010573 }
10574
10575 /* No packets are in the pipeline, path is ready for reset */
10576 bnx2x_reset_common(bp);
10577
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010578 if (mac_vals.xmac_addr)
10579 REG_WR(bp, mac_vals.xmac_addr, mac_vals.xmac_val);
Yuval Mintz3d6b7252015-04-01 10:02:19 +030010580 if (mac_vals.umac_addr[0])
10581 REG_WR(bp, mac_vals.umac_addr[0], mac_vals.umac_val[0]);
10582 if (mac_vals.umac_addr[1])
10583 REG_WR(bp, mac_vals.umac_addr[1], mac_vals.umac_val[1]);
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010584 if (mac_vals.emac_addr)
10585 REG_WR(bp, mac_vals.emac_addr, mac_vals.emac_val);
10586 if (mac_vals.bmac_addr) {
10587 REG_WR(bp, mac_vals.bmac_addr, mac_vals.bmac_val[0]);
10588 REG_WR(bp, mac_vals.bmac_addr + 4, mac_vals.bmac_val[1]);
10589 }
10590
Barak Witkowskic63da992012-12-05 23:04:03 +000010591 rc = bnx2x_prev_mark_path(bp, prev_undi);
Yuval Mintz452427b2012-03-26 20:47:07 +000010592 if (rc) {
10593 bnx2x_prev_mcp_done(bp);
10594 return rc;
10595 }
10596
10597 return bnx2x_prev_mcp_done(bp);
10598}
10599
Bill Pemberton0329aba2012-12-03 09:24:24 -050010600static int bnx2x_prev_unload(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010601{
10602 int time_counter = 10;
10603 u32 rc, fw, hw_lock_reg, hw_lock_val;
10604 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
10605
Ariel Elior24f06712012-05-06 07:05:57 +000010606 /* clear hw from errors which may have resulted from an interrupted
10607 * dmae transaction.
10608 */
Yuval Mintzda254fb2015-04-01 10:02:20 +030010609 bnx2x_clean_pglue_errors(bp);
Ariel Elior24f06712012-05-06 07:05:57 +000010610
10611 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +000010612 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
10613 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
10614 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
10615
Yuval Mintz3cdeec22013-06-02 00:06:19 +000010616 hw_lock_val = REG_RD(bp, hw_lock_reg);
Yuval Mintz452427b2012-03-26 20:47:07 +000010617 if (hw_lock_val) {
10618 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
10619 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
10620 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
10621 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
10622 }
10623
10624 BNX2X_DEV_INFO("Release Previously held hw lock\n");
10625 REG_WR(bp, hw_lock_reg, 0xffffffff);
10626 } else
10627 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
10628
10629 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
10630 BNX2X_DEV_INFO("Release previously held alr\n");
Yuval Mintz3cdeec22013-06-02 00:06:19 +000010631 bnx2x_release_alr(bp);
Yuval Mintz452427b2012-03-26 20:47:07 +000010632 }
10633
Yuval Mintz452427b2012-03-26 20:47:07 +000010634 do {
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010635 int aer = 0;
Yuval Mintz452427b2012-03-26 20:47:07 +000010636 /* Lock MCP using an unload request */
10637 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
10638 if (!fw) {
10639 BNX2X_ERR("MCP response failure, aborting\n");
10640 rc = -EBUSY;
10641 break;
10642 }
10643
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010644 rc = down_interruptible(&bnx2x_prev_sem);
10645 if (rc) {
10646 BNX2X_ERR("Cannot check for AER; Received %d when tried to take lock\n",
10647 rc);
10648 } else {
10649 /* If Path is marked by EEH, ignore unload status */
10650 aer = !!(bnx2x_prev_path_get_entry(bp) &&
10651 bnx2x_prev_path_get_entry(bp)->aer);
Yuval Mintz60cde812013-03-26 23:28:03 +000010652 up(&bnx2x_prev_sem);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010653 }
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010654
10655 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON || aer) {
Yuval Mintz452427b2012-03-26 20:47:07 +000010656 rc = bnx2x_prev_unload_common(bp);
10657 break;
10658 }
10659
Yuval Mintz16a5fd92013-06-02 00:06:18 +000010660 /* non-common reply from MCP might require looping */
Yuval Mintz452427b2012-03-26 20:47:07 +000010661 rc = bnx2x_prev_unload_uncommon(bp);
10662 if (rc != BNX2X_PREV_WAIT_NEEDED)
10663 break;
10664
10665 msleep(20);
10666 } while (--time_counter);
10667
10668 if (!time_counter || rc) {
Yuval Mintz91ebb922013-12-26 09:57:07 +020010669 BNX2X_DEV_INFO("Unloading previous driver did not occur, Possibly due to MF UNDI\n");
10670 rc = -EPROBE_DEFER;
Yuval Mintz452427b2012-03-26 20:47:07 +000010671 }
10672
Barak Witkowskic63da992012-12-05 23:04:03 +000010673 /* Mark function if its port was used to boot from SAN */
Dmitry Kravkov178135c2013-05-22 21:21:50 +000010674 if (bnx2x_port_after_undi(bp))
Barak Witkowskic63da992012-12-05 23:04:03 +000010675 bp->link_params.feature_config_flags |=
10676 FEATURE_CONFIG_BOOT_FROM_SAN;
10677
Yuval Mintz452427b2012-03-26 20:47:07 +000010678 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
10679
10680 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010681}
10682
Bill Pemberton0329aba2012-12-03 09:24:24 -050010683static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010684{
Barak Witkowski1d187b32011-12-05 22:41:50 +000010685 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010686 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010687
10688 /* Get the chip revision id and number. */
10689 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
10690 val = REG_RD(bp, MISC_REG_CHIP_NUM);
10691 id = ((val & 0xffff) << 16);
10692 val = REG_RD(bp, MISC_REG_CHIP_REV);
10693 id |= ((val & 0xf) << 12);
Yuval Mintzf22fdf22013-03-11 05:17:43 +000010694
10695 /* Metal is read from PCI regs, but we can't access >=0x400 from
10696 * the configuration space (so we need to reg_rd)
10697 */
10698 val = REG_RD(bp, PCICFG_OFFSET + PCI_ID_VAL3);
10699 id |= (((val >> 24) & 0xf) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +000010700 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010701 id |= (val & 0xf);
10702 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010703
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000010704 /* force 57811 according to MISC register */
10705 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
10706 if (CHIP_IS_57810(bp))
10707 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
10708 (bp->common.chip_id & 0x0000FFFF);
10709 else if (CHIP_IS_57810_MF(bp))
10710 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
10711 (bp->common.chip_id & 0x0000FFFF);
10712 bp->common.chip_id |= 0x1;
10713 }
10714
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010715 /* Set doorbell size */
10716 bp->db_size = (1 << BNX2X_DB_SHIFT);
10717
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010718 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010719 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
10720 if ((val & 1) == 0)
10721 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
10722 else
10723 val = (val >> 1) & 1;
10724 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
10725 "2_PORT_MODE");
10726 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
10727 CHIP_2_PORT_MODE;
10728
10729 if (CHIP_MODE_IS_4_PORT(bp))
10730 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
10731 else
10732 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
10733 } else {
10734 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
10735 bp->pfid = bp->pf_num; /* 0..7 */
10736 }
10737
Merav Sicron51c1a582012-03-18 10:33:38 +000010738 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
10739
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010740 bp->link_params.chip_id = bp->common.chip_id;
10741 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010742
Eilon Greenstein1c063282009-02-12 08:36:43 +000010743 val = (REG_RD(bp, 0x2874) & 0x55);
10744 if ((bp->common.chip_id & 0x1) ||
10745 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
10746 bp->flags |= ONE_PORT_FLAG;
10747 BNX2X_DEV_INFO("single port device\n");
10748 }
10749
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010750 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010751 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010752 (val & MCPR_NVM_CFG4_FLASH_SIZE));
10753 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
10754 bp->common.flash_size, bp->common.flash_size);
10755
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010756 bnx2x_init_shmem(bp);
10757
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010758 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
10759 MISC_REG_GENERIC_CR_1 :
10760 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010761
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010762 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010763 bp->link_params.shmem2_base = bp->common.shmem2_base;
Yaniv Rosnerb884d952012-11-27 03:46:28 +000010764 if (SHMEM2_RD(bp, size) >
10765 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
10766 bp->link_params.lfa_base =
10767 REG_RD(bp, bp->common.shmem2_base +
10768 (u32)offsetof(struct shmem2_region,
10769 lfa_host_addr[BP_PORT(bp)]));
10770 else
10771 bp->link_params.lfa_base = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010772 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
10773 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010774
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010775 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010776 BNX2X_DEV_INFO("MCP not active\n");
10777 bp->flags |= NO_MCP_FLAG;
10778 return;
10779 }
10780
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010781 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +000010782 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010783
10784 bp->link_params.hw_led_mode = ((bp->common.hw_config &
10785 SHARED_HW_CFG_LED_MODE_MASK) >>
10786 SHARED_HW_CFG_LED_MODE_SHIFT);
10787
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010788 bp->link_params.feature_config_flags = 0;
10789 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
10790 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
10791 bp->link_params.feature_config_flags |=
10792 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10793 else
10794 bp->link_params.feature_config_flags &=
10795 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10796
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010797 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
10798 bp->common.bc_ver = val;
10799 BNX2X_DEV_INFO("bc_ver %X\n", val);
10800 if (val < BNX2X_BC_VER) {
10801 /* for now only warn
10802 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +000010803 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
10804 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010805 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010806 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010807 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010808 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
10809
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010810 bp->link_params.feature_config_flags |=
10811 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
10812 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +000010813 bp->link_params.feature_config_flags |=
10814 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
10815 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010816 bp->link_params.feature_config_flags |=
10817 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
10818 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000010819
10820 bp->link_params.feature_config_flags |=
10821 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
10822 FEATURE_CONFIG_MT_SUPPORT : 0;
10823
Barak Witkowski0e898dd2011-12-05 21:52:22 +000010824 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
10825 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010826
Barak Witkowski2e499d32012-06-26 01:31:19 +000010827 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
10828 BC_SUPPORTS_FCOE_FEATURES : 0;
10829
Barak Witkowski98768792012-06-19 07:48:31 +000010830 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
10831 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowskya6d3a5b2013-08-13 02:25:02 +030010832
10833 bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ?
10834 BC_SUPPORTS_RMMOD_CMD : 0;
10835
Barak Witkowski1d187b32011-12-05 22:41:50 +000010836 boot_mode = SHMEM_RD(bp,
10837 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
10838 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
10839 switch (boot_mode) {
10840 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
10841 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
10842 break;
10843 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
10844 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
10845 break;
10846 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
10847 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
10848 break;
10849 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
10850 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
10851 break;
10852 }
10853
Jon Mason29ed74c2013-09-11 11:22:39 -070010854 pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_PMC, &pmc);
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +000010855 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
10856
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010857 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +000010858 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010859
10860 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
10861 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
10862 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
10863 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
10864
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010865 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
10866 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010867}
10868
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010869#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
10870#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
10871
Bill Pemberton0329aba2012-12-03 09:24:24 -050010872static int bnx2x_get_igu_cam_info(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010873{
10874 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010875 int igu_sb_id;
10876 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010877 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010878
10879 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010880 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -040010881 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010882 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010883 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
10884 FP_SB_MAX_E1x;
10885
10886 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
10887 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
10888
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010889 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010890 }
10891
10892 /* IGU in normal mode - read CAM */
10893 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
10894 igu_sb_id++) {
10895 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
10896 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
10897 continue;
10898 fid = IGU_FID(val);
10899 if ((fid & IGU_FID_ENCODE_IS_PF)) {
10900 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
10901 continue;
10902 if (IGU_VEC(val) == 0)
10903 /* default status block */
10904 bp->igu_dsb_id = igu_sb_id;
10905 else {
10906 if (bp->igu_base_sb == 0xff)
10907 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010908 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010909 }
10910 }
10911 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010912
Ariel Elior6383c0b2011-07-14 08:31:57 +000010913#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +000010914 /* Due to new PF resource allocation by MFW T7.4 and above, it's
10915 * optional that number of CAM entries will not be equal to the value
10916 * advertised in PCI.
10917 * Driver should use the minimal value of both as the actual status
10918 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010919 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010920 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010921#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010922
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010923 if (igu_sb_cnt == 0) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010924 BNX2X_ERR("CAM configuration error\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010925 return -EINVAL;
10926 }
10927
10928 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010929}
10930
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000010931static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010932{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010933 int cfg_size = 0, idx, port = BP_PORT(bp);
10934
10935 /* Aggregation of supported attributes of all external phys */
10936 bp->port.supported[0] = 0;
10937 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010938 switch (bp->link_params.num_phys) {
10939 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010940 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10941 cfg_size = 1;
10942 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010943 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010944 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10945 cfg_size = 1;
10946 break;
10947 case 3:
10948 if (bp->link_params.multi_phy_config &
10949 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10950 bp->port.supported[1] =
10951 bp->link_params.phy[EXT_PHY1].supported;
10952 bp->port.supported[0] =
10953 bp->link_params.phy[EXT_PHY2].supported;
10954 } else {
10955 bp->port.supported[0] =
10956 bp->link_params.phy[EXT_PHY1].supported;
10957 bp->port.supported[1] =
10958 bp->link_params.phy[EXT_PHY2].supported;
10959 }
10960 cfg_size = 2;
10961 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010962 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010963
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010964 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010965 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010966 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010967 dev_info.port_hw_config[port].external_phy_config),
10968 SHMEM_RD(bp,
10969 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010970 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010971 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010972
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010973 if (CHIP_IS_E3(bp))
10974 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10975 else {
10976 switch (switch_cfg) {
10977 case SWITCH_CFG_1G:
10978 bp->port.phy_addr = REG_RD(
10979 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10980 break;
10981 case SWITCH_CFG_10G:
10982 bp->port.phy_addr = REG_RD(
10983 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10984 break;
10985 default:
10986 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10987 bp->port.link_config[0]);
10988 return;
10989 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010990 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010991 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010992 /* mask what we support according to speed_cap_mask per configuration */
10993 for (idx = 0; idx < cfg_size; idx++) {
10994 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010995 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010996 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010997
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010998 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010999 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011000 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011001
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011002 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011003 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011004 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011005
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011006 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011007 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011008 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011009
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011010 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011011 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011012 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011013 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011014
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011015 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011016 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011017 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011018
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011019 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011020 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011021 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Yaniv Rosnerb8e0d882013-06-20 17:39:11 +030011022
11023 if (!(bp->link_params.speed_cap_mask[idx] &
11024 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
11025 bp->port.supported[idx] &= ~SUPPORTED_20000baseKR2_Full;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011026 }
11027
11028 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
11029 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011030}
11031
Bill Pemberton0329aba2012-12-03 09:24:24 -050011032static void bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011033{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011034 u32 link_config, idx, cfg_size = 0;
11035 bp->port.advertising[0] = 0;
11036 bp->port.advertising[1] = 0;
11037 switch (bp->link_params.num_phys) {
11038 case 1:
11039 case 2:
11040 cfg_size = 1;
11041 break;
11042 case 3:
11043 cfg_size = 2;
11044 break;
11045 }
11046 for (idx = 0; idx < cfg_size; idx++) {
11047 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
11048 link_config = bp->port.link_config[idx];
11049 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011050 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011051 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
11052 bp->link_params.req_line_speed[idx] =
11053 SPEED_AUTO_NEG;
11054 bp->port.advertising[idx] |=
11055 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000011056 if (bp->link_params.phy[EXT_PHY1].type ==
11057 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
11058 bp->port.advertising[idx] |=
11059 (SUPPORTED_100baseT_Half |
11060 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011061 } else {
11062 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011063 bp->link_params.req_line_speed[idx] =
11064 SPEED_10000;
11065 bp->port.advertising[idx] |=
11066 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011067 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011068 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011069 }
11070 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011071
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011072 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011073 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
11074 bp->link_params.req_line_speed[idx] =
11075 SPEED_10;
11076 bp->port.advertising[idx] |=
11077 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011078 ADVERTISED_TP);
11079 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011080 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011081 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011082 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011083 return;
11084 }
11085 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011086
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011087 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011088 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
11089 bp->link_params.req_line_speed[idx] =
11090 SPEED_10;
11091 bp->link_params.req_duplex[idx] =
11092 DUPLEX_HALF;
11093 bp->port.advertising[idx] |=
11094 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011095 ADVERTISED_TP);
11096 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011097 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011098 link_config,
11099 bp->link_params.speed_cap_mask[idx]);
11100 return;
11101 }
11102 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011103
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011104 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11105 if (bp->port.supported[idx] &
11106 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011107 bp->link_params.req_line_speed[idx] =
11108 SPEED_100;
11109 bp->port.advertising[idx] |=
11110 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011111 ADVERTISED_TP);
11112 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011113 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011114 link_config,
11115 bp->link_params.speed_cap_mask[idx]);
11116 return;
11117 }
11118 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011119
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011120 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11121 if (bp->port.supported[idx] &
11122 SUPPORTED_100baseT_Half) {
11123 bp->link_params.req_line_speed[idx] =
11124 SPEED_100;
11125 bp->link_params.req_duplex[idx] =
11126 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011127 bp->port.advertising[idx] |=
11128 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011129 ADVERTISED_TP);
11130 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011131 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011132 link_config,
11133 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011134 return;
11135 }
11136 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011137
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011138 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011139 if (bp->port.supported[idx] &
11140 SUPPORTED_1000baseT_Full) {
11141 bp->link_params.req_line_speed[idx] =
11142 SPEED_1000;
11143 bp->port.advertising[idx] |=
11144 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011145 ADVERTISED_TP);
Yuval Mintz5d67c1c2015-06-25 15:19:22 +030011146 } else if (bp->port.supported[idx] &
11147 SUPPORTED_1000baseKX_Full) {
11148 bp->link_params.req_line_speed[idx] =
11149 SPEED_1000;
11150 bp->port.advertising[idx] |=
11151 ADVERTISED_1000baseKX_Full;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011152 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011153 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011154 link_config,
11155 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011156 return;
11157 }
11158 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011159
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011160 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011161 if (bp->port.supported[idx] &
11162 SUPPORTED_2500baseX_Full) {
11163 bp->link_params.req_line_speed[idx] =
11164 SPEED_2500;
11165 bp->port.advertising[idx] |=
11166 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011167 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011168 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011169 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011170 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011171 bp->link_params.speed_cap_mask[idx]);
11172 return;
11173 }
11174 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011175
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011176 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011177 if (bp->port.supported[idx] &
11178 SUPPORTED_10000baseT_Full) {
11179 bp->link_params.req_line_speed[idx] =
11180 SPEED_10000;
11181 bp->port.advertising[idx] |=
11182 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011183 ADVERTISED_FIBRE);
Yuval Mintz5d67c1c2015-06-25 15:19:22 +030011184 } else if (bp->port.supported[idx] &
11185 SUPPORTED_10000baseKR_Full) {
11186 bp->link_params.req_line_speed[idx] =
11187 SPEED_10000;
11188 bp->port.advertising[idx] |=
11189 (ADVERTISED_10000baseKR_Full |
11190 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011191 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000011192 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011193 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011194 bp->link_params.speed_cap_mask[idx]);
11195 return;
11196 }
11197 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011198 case PORT_FEATURE_LINK_SPEED_20G:
11199 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011200
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000011201 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011202 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000011203 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011204 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011205 bp->link_params.req_line_speed[idx] =
11206 SPEED_AUTO_NEG;
11207 bp->port.advertising[idx] =
11208 bp->port.supported[idx];
11209 break;
11210 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011211
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011212 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011213 PORT_FEATURE_FLOW_CONTROL_MASK);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +000011214 if (bp->link_params.req_flow_ctrl[idx] ==
11215 BNX2X_FLOW_CTRL_AUTO) {
11216 if (!(bp->port.supported[idx] & SUPPORTED_Autoneg))
11217 bp->link_params.req_flow_ctrl[idx] =
11218 BNX2X_FLOW_CTRL_NONE;
11219 else
11220 bnx2x_set_requested_fc(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011221 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011222
Merav Sicron51c1a582012-03-18 10:33:38 +000011223 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x advertising 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011224 bp->link_params.req_line_speed[idx],
11225 bp->link_params.req_duplex[idx],
11226 bp->link_params.req_flow_ctrl[idx],
11227 bp->port.advertising[idx]);
11228 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011229}
11230
Bill Pemberton0329aba2012-12-03 09:24:24 -050011231static void bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
Michael Chane665bfd2009-10-10 13:46:54 +000011232{
Yuval Mintz86564c32013-01-23 03:21:50 +000011233 __be16 mac_hi_be = cpu_to_be16(mac_hi);
11234 __be32 mac_lo_be = cpu_to_be32(mac_lo);
11235 memcpy(mac_buf, &mac_hi_be, sizeof(mac_hi_be));
11236 memcpy(mac_buf + sizeof(mac_hi_be), &mac_lo_be, sizeof(mac_lo_be));
Michael Chane665bfd2009-10-10 13:46:54 +000011237}
11238
Bill Pemberton0329aba2012-12-03 09:24:24 -050011239static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011240{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011241 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000011242 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000011243 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011244
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011245 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011246 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011247
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011248 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011249 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011250
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011251 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011252 SHMEM_RD(bp,
Yaniv Rosnerb0261922013-05-01 04:27:57 +000011253 dev_info.port_hw_config[port].speed_capability_mask) &
11254 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011255 bp->link_params.speed_cap_mask[1] =
11256 SHMEM_RD(bp,
Yaniv Rosnerb0261922013-05-01 04:27:57 +000011257 dev_info.port_hw_config[port].speed_capability_mask2) &
11258 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011259 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011260 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
11261
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011262 bp->port.link_config[1] =
11263 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000011264
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011265 bp->link_params.multi_phy_config =
11266 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000011267 /* If the device is capable of WoL, set the default state according
11268 * to the HW
11269 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000011270 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000011271 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
11272 (config & PORT_FEATURE_WOL_ENABLED));
11273
Yuval Mintz4ba76992013-01-14 05:11:45 +000011274 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
11275 PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE && !IS_MF(bp))
11276 bp->flags |= NO_ISCSI_FLAG;
11277 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
11278 PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI && !(IS_MF(bp)))
11279 bp->flags |= NO_FCOE_FLAG;
11280
Merav Sicron51c1a582012-03-18 10:33:38 +000011281 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011282 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011283 bp->link_params.speed_cap_mask[0],
11284 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011285
Yaniv Rosnera22f0782010-09-07 11:41:20 +000011286 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011287 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011288 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011289 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011290
11291 bnx2x_link_settings_requested(bp);
11292
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011293 /*
11294 * If connected directly, work with the internal PHY, otherwise, work
11295 * with the external PHY
11296 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011297 ext_phy_config =
11298 SHMEM_RD(bp,
11299 dev_info.port_hw_config[port].external_phy_config);
11300 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011301 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011302 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011303
11304 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
11305 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11306 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000011307 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000011308
Yuval Mintzc8c60d82012-06-06 17:13:07 +000011309 /* Configure link feature according to nvram value */
11310 eee_mode = (((SHMEM_RD(bp, dev_info.
11311 port_feature_config[port].eee_power_mode)) &
11312 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
11313 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
11314 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
11315 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
11316 EEE_MODE_ENABLE_LPI |
11317 EEE_MODE_OUTPUT_TIME;
11318 } else {
11319 bp->link_params.eee_mode = 0;
11320 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011321}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011322
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011323void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011324{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011325 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011326 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011327 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011328 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011329
Merav Sicron55c11942012-11-07 00:45:48 +000011330 if (!CNIC_SUPPORT(bp)) {
11331 bp->flags |= no_flags;
11332 return;
11333 }
11334
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011335 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011336 bp->cnic_eth_dev.max_iscsi_conn =
11337 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
11338 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
11339
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011340 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
11341 bp->cnic_eth_dev.max_iscsi_conn);
11342
11343 /*
11344 * If maximum allowed number of connections is zero -
11345 * disable the feature.
11346 */
11347 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011348 bp->flags |= no_flags;
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011349}
11350
Bill Pemberton0329aba2012-12-03 09:24:24 -050011351static void bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011352{
11353 /* Port info */
11354 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
11355 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
11356 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
11357 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
11358
11359 /* Node info */
11360 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
11361 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
11362 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
11363 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
11364}
Dmitry Kravkov86800192013-05-27 04:08:29 +000011365
11366static int bnx2x_shared_fcoe_funcs(struct bnx2x *bp)
11367{
11368 u8 count = 0;
11369
11370 if (IS_MF(bp)) {
11371 u8 fid;
11372
11373 /* iterate over absolute function ids for this path: */
11374 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX * 2; fid += 2) {
11375 if (IS_MF_SD(bp)) {
11376 u32 cfg = MF_CFG_RD(bp,
11377 func_mf_config[fid].config);
11378
11379 if (!(cfg & FUNC_MF_CFG_FUNC_HIDE) &&
11380 ((cfg & FUNC_MF_CFG_PROTOCOL_MASK) ==
11381 FUNC_MF_CFG_PROTOCOL_FCOE))
11382 count++;
11383 } else {
11384 u32 cfg = MF_CFG_RD(bp,
11385 func_ext_config[fid].
11386 func_cfg);
11387
11388 if ((cfg & MACP_FUNC_CFG_FLAGS_ENABLED) &&
11389 (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD))
11390 count++;
11391 }
11392 }
11393 } else { /* SF */
11394 int port, port_cnt = CHIP_MODE_IS_4_PORT(bp) ? 2 : 1;
11395
11396 for (port = 0; port < port_cnt; port++) {
11397 u32 lic = SHMEM_RD(bp,
11398 drv_lic_key[port].max_fcoe_conn) ^
11399 FW_ENCODE_32BIT_PATTERN;
11400 if (lic)
11401 count++;
11402 }
11403 }
11404
11405 return count;
11406}
11407
Bill Pemberton0329aba2012-12-03 09:24:24 -050011408static void bnx2x_get_fcoe_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011409{
11410 int port = BP_PORT(bp);
11411 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011412 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
11413 drv_lic_key[port].max_fcoe_conn);
Dmitry Kravkov86800192013-05-27 04:08:29 +000011414 u8 num_fcoe_func = bnx2x_shared_fcoe_funcs(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011415
Merav Sicron55c11942012-11-07 00:45:48 +000011416 if (!CNIC_SUPPORT(bp)) {
11417 bp->flags |= NO_FCOE_FLAG;
11418 return;
11419 }
11420
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011421 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011422 bp->cnic_eth_dev.max_fcoe_conn =
11423 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
11424 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
11425
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +000011426 /* Calculate the number of maximum allowed FCoE tasks */
11427 bp->cnic_eth_dev.max_fcoe_exchanges = MAX_NUM_FCOE_TASKS_PER_ENGINE;
Dmitry Kravkov86800192013-05-27 04:08:29 +000011428
11429 /* check if FCoE resources must be shared between different functions */
11430 if (num_fcoe_func)
11431 bp->cnic_eth_dev.max_fcoe_exchanges /= num_fcoe_func;
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +000011432
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011433 /* Read the WWN: */
11434 if (!IS_MF(bp)) {
11435 /* Port info */
11436 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
11437 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011438 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011439 fcoe_wwn_port_name_upper);
11440 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
11441 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011442 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011443 fcoe_wwn_port_name_lower);
11444
11445 /* Node info */
11446 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
11447 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011448 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011449 fcoe_wwn_node_name_upper);
11450 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
11451 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011452 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011453 fcoe_wwn_node_name_lower);
11454 } else if (!IS_MF_SD(bp)) {
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030011455 /* Read the WWN info only if the FCoE feature is enabled for
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011456 * this function.
11457 */
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030011458 if (BNX2X_HAS_MF_EXT_PROTOCOL_FCOE(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011459 bnx2x_get_ext_wwn_info(bp, func);
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030011460 } else {
11461 if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
11462 bnx2x_get_ext_wwn_info(bp, func);
Yuval Mintz382e5132012-12-02 04:05:51 +000011463 }
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011464
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011465 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011466
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011467 /*
11468 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011469 * disable the feature.
11470 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011471 if (!bp->cnic_eth_dev.max_fcoe_conn)
11472 bp->flags |= NO_FCOE_FLAG;
11473}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011474
Bill Pemberton0329aba2012-12-03 09:24:24 -050011475static void bnx2x_get_cnic_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011476{
11477 /*
11478 * iSCSI may be dynamically disabled but reading
11479 * info here we will decrease memory usage by driver
11480 * if the feature is disabled for good
11481 */
11482 bnx2x_get_iscsi_info(bp);
11483 bnx2x_get_fcoe_info(bp);
11484}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011485
Bill Pemberton0329aba2012-12-03 09:24:24 -050011486static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +000011487{
11488 u32 val, val2;
11489 int func = BP_ABS_FUNC(bp);
11490 int port = BP_PORT(bp);
11491 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
11492 u8 *fip_mac = bp->fip_mac;
11493
11494 if (IS_MF(bp)) {
11495 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
11496 * FCoE MAC then the appropriate feature should be disabled.
11497 * In non SD mode features configuration comes from struct
11498 * func_ext_config.
11499 */
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030011500 if (!IS_MF_SD(bp)) {
Merav Sicron55c11942012-11-07 00:45:48 +000011501 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
11502 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
11503 val2 = MF_CFG_RD(bp, func_ext_config[func].
11504 iscsi_mac_addr_upper);
11505 val = MF_CFG_RD(bp, func_ext_config[func].
11506 iscsi_mac_addr_lower);
11507 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11508 BNX2X_DEV_INFO
11509 ("Read iSCSI MAC: %pM\n", iscsi_mac);
11510 } else {
11511 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
11512 }
11513
11514 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
11515 val2 = MF_CFG_RD(bp, func_ext_config[func].
11516 fcoe_mac_addr_upper);
11517 val = MF_CFG_RD(bp, func_ext_config[func].
11518 fcoe_mac_addr_lower);
11519 bnx2x_set_mac_buf(fip_mac, val, val2);
11520 BNX2X_DEV_INFO
11521 ("Read FCoE L2 MAC: %pM\n", fip_mac);
11522 } else {
11523 bp->flags |= NO_FCOE_FLAG;
11524 }
11525
11526 bp->mf_ext_config = cfg;
11527
11528 } else { /* SD MODE */
11529 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
11530 /* use primary mac as iscsi mac */
11531 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
11532
11533 BNX2X_DEV_INFO("SD ISCSI MODE\n");
11534 BNX2X_DEV_INFO
11535 ("Read iSCSI MAC: %pM\n", iscsi_mac);
11536 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
11537 /* use primary mac as fip mac */
11538 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
11539 BNX2X_DEV_INFO("SD FCoE MODE\n");
11540 BNX2X_DEV_INFO
11541 ("Read FIP MAC: %pM\n", fip_mac);
11542 }
11543 }
11544
Yuval Mintz82594f82013-03-11 05:17:51 +000011545 /* If this is a storage-only interface, use SAN mac as
11546 * primary MAC. Notice that for SD this is already the case,
11547 * as the SAN mac was copied from the primary MAC.
11548 */
11549 if (IS_MF_FCOE_AFEX(bp))
Merav Sicron55c11942012-11-07 00:45:48 +000011550 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
Merav Sicron55c11942012-11-07 00:45:48 +000011551 } else {
11552 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11553 iscsi_mac_upper);
11554 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11555 iscsi_mac_lower);
11556 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11557
11558 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11559 fcoe_fip_mac_upper);
11560 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11561 fcoe_fip_mac_lower);
11562 bnx2x_set_mac_buf(fip_mac, val, val2);
11563 }
11564
11565 /* Disable iSCSI OOO if MAC configuration is invalid. */
11566 if (!is_valid_ether_addr(iscsi_mac)) {
11567 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
Joe Perchesc7bf7162015-03-02 19:54:47 -080011568 eth_zero_addr(iscsi_mac);
Merav Sicron55c11942012-11-07 00:45:48 +000011569 }
11570
11571 /* Disable FCoE if MAC configuration is invalid. */
11572 if (!is_valid_ether_addr(fip_mac)) {
11573 bp->flags |= NO_FCOE_FLAG;
Joe Perchesc7bf7162015-03-02 19:54:47 -080011574 eth_zero_addr(bp->fip_mac);
Merav Sicron55c11942012-11-07 00:45:48 +000011575 }
11576}
11577
Bill Pemberton0329aba2012-12-03 09:24:24 -050011578static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011579{
11580 u32 val, val2;
11581 int func = BP_ABS_FUNC(bp);
11582 int port = BP_PORT(bp);
11583
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011584 /* Zero primary MAC configuration */
Joe Perchesc7bf7162015-03-02 19:54:47 -080011585 eth_zero_addr(bp->dev->dev_addr);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011586
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011587 if (BP_NOMCP(bp)) {
11588 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000011589 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011590 } else if (IS_MF(bp)) {
11591 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
11592 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
11593 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
11594 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
11595 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11596
Merav Sicron55c11942012-11-07 00:45:48 +000011597 if (CNIC_SUPPORT(bp))
11598 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011599 } else {
11600 /* in SF read MACs from port configuration */
11601 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11602 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11603 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11604
Merav Sicron55c11942012-11-07 00:45:48 +000011605 if (CNIC_SUPPORT(bp))
11606 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011607 }
11608
Yuval Mintz3d7d5622013-10-09 16:06:28 +020011609 if (!BP_NOMCP(bp)) {
11610 /* Read physical port identifier from shmem */
11611 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11612 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11613 bnx2x_set_mac_buf(bp->phys_port_id, val, val2);
11614 bp->flags |= HAS_PHYS_PORT_ID;
11615 }
11616
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011617 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000011618
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030011619 if (!is_valid_ether_addr(bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011620 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011621 "bad Ethernet MAC address configuration: %pM\n"
11622 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000011623 bp->dev->dev_addr);
Yuval Mintz79642112012-12-02 04:05:50 +000011624}
Merav Sicron51c1a582012-03-18 10:33:38 +000011625
Bill Pemberton0329aba2012-12-03 09:24:24 -050011626static bool bnx2x_get_dropless_info(struct bnx2x *bp)
Yuval Mintz79642112012-12-02 04:05:50 +000011627{
11628 int tmp;
11629 u32 cfg;
Merav Sicron51c1a582012-03-18 10:33:38 +000011630
Yuval Mintzaeeddb82013-08-19 09:11:59 +030011631 if (IS_VF(bp))
Joe Perches4e833c52015-03-29 18:25:12 -070011632 return false;
Yuval Mintzaeeddb82013-08-19 09:11:59 +030011633
Yuval Mintz79642112012-12-02 04:05:50 +000011634 if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
11635 /* Take function: tmp = func */
11636 tmp = BP_ABS_FUNC(bp);
11637 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
11638 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
11639 } else {
11640 /* Take port: tmp = port */
11641 tmp = BP_PORT(bp);
11642 cfg = SHMEM_RD(bp,
11643 dev_info.port_hw_config[tmp].generic_features);
11644 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
11645 }
11646 return cfg;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011647}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011648
Yuval Mintz83bad202014-09-17 16:24:38 +030011649static void validate_set_si_mode(struct bnx2x *bp)
11650{
11651 u8 func = BP_ABS_FUNC(bp);
11652 u32 val;
11653
11654 val = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
11655
11656 /* check for legal mac (upper bytes) */
11657 if (val != 0xffff) {
11658 bp->mf_mode = MULTI_FUNCTION_SI;
11659 bp->mf_config[BP_VN(bp)] =
11660 MF_CFG_RD(bp, func_mf_config[func].config);
11661 } else
11662 BNX2X_DEV_INFO("illegal MAC address for SI\n");
11663}
11664
Bill Pemberton0329aba2012-12-03 09:24:24 -050011665static int bnx2x_get_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011666{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011667 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070011668 int vn;
Yuval Mintz83bad202014-09-17 16:24:38 +030011669 u32 val = 0, val2 = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011670 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011671
Yuval Mintz0f587f12015-03-29 10:05:01 +030011672 /* Validate that chip access is feasible */
11673 if (REG_RD(bp, MISC_REG_CHIP_NUM) == 0xffffffff) {
11674 dev_err(&bp->pdev->dev,
11675 "Chip read returns all Fs. Preventing probe from continuing\n");
11676 return -EINVAL;
11677 }
11678
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011679 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011680
Ariel Elior6383c0b2011-07-14 08:31:57 +000011681 /*
11682 * initialize IGU parameters
11683 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011684 if (CHIP_IS_E1x(bp)) {
11685 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011686
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011687 bp->igu_dsb_id = DEF_SB_IGU_ID;
11688 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011689 } else {
11690 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040011691
Yuval Mintz16a5fd92013-06-02 00:06:18 +000011692 /* do not allow device reset during IGU info processing */
David S. Miller8decf862011-09-22 03:23:13 -040011693 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
11694
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011695 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011696
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011697 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011698 int tout = 5000;
11699
11700 BNX2X_DEV_INFO("FORCING Normal Mode\n");
11701
11702 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
11703 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
11704 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
11705
11706 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11707 tout--;
Yuval Mintz0926d492013-01-23 03:21:45 +000011708 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011709 }
11710
11711 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11712 dev_err(&bp->pdev->dev,
11713 "FORCING Normal Mode failed!!!\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011714 bnx2x_release_hw_lock(bp,
11715 HW_LOCK_RESOURCE_RESET);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011716 return -EPERM;
11717 }
11718 }
11719
11720 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
11721 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011722 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
11723 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011724 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011725
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011726 rc = bnx2x_get_igu_cam_info(bp);
David S. Miller8decf862011-09-22 03:23:13 -040011727 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011728 if (rc)
11729 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011730 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011731
11732 /*
11733 * set base FW non-default (fast path) status block id, this value is
11734 * used to initialize the fw_sb_id saved on the fp/queue structure to
11735 * determine the id used by the FW.
11736 */
11737 if (CHIP_IS_E1x(bp))
11738 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
11739 else /*
11740 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
11741 * the same queue are indicated on the same IGU SB). So we prefer
11742 * FW and IGU SBs to be the same value.
11743 */
11744 bp->base_fw_ndsb = bp->igu_base_sb;
11745
11746 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
11747 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
11748 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011749
11750 /*
11751 * Initialize MF configuration
11752 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011753
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011754 bp->mf_ov = 0;
11755 bp->mf_mode = 0;
Yuval Mintz76096472014-09-17 16:24:37 +030011756 bp->mf_sub_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040011757 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011758
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011759 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011760 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
11761 bp->common.shmem2_base, SHMEM2_RD(bp, size),
11762 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
11763
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011764 if (SHMEM2_HAS(bp, mf_cfg_addr))
11765 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
11766 else
11767 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011768 offsetof(struct shmem_region, func_mb) +
11769 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011770 /*
11771 * get mf configuration:
Yuval Mintz16a5fd92013-06-02 00:06:18 +000011772 * 1. Existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011773 * 2. MAC address must be legal (check only upper bytes)
11774 * for Switch-Independent mode;
11775 * OVLAN must be legal for Switch-Dependent mode
11776 * 3. SF_MODE configures specific MF mode
11777 */
11778 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11779 /* get mf configuration */
11780 val = SHMEM_RD(bp,
11781 dev_info.shared_feature_config.config);
11782 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011783
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011784 switch (val) {
11785 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
Yuval Mintz83bad202014-09-17 16:24:38 +030011786 validate_set_si_mode(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011787 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011788 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
11789 if ((!CHIP_IS_E1x(bp)) &&
11790 (MF_CFG_RD(bp, func_mf_config[func].
11791 mac_upper) != 0xffff) &&
11792 (SHMEM2_HAS(bp,
11793 afex_driver_support))) {
11794 bp->mf_mode = MULTI_FUNCTION_AFEX;
11795 bp->mf_config[vn] = MF_CFG_RD(bp,
11796 func_mf_config[func].config);
11797 } else {
11798 BNX2X_DEV_INFO("can not configure afex mode\n");
11799 }
11800 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011801 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
11802 /* get OV configuration */
11803 val = MF_CFG_RD(bp,
11804 func_mf_config[FUNC_0].e1hov_tag);
11805 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
11806
11807 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
11808 bp->mf_mode = MULTI_FUNCTION_SD;
11809 bp->mf_config[vn] = MF_CFG_RD(bp,
11810 func_mf_config[func].config);
11811 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011812 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011813 break;
Yuval Mintz76096472014-09-17 16:24:37 +030011814 case SHARED_FEAT_CFG_FORCE_SF_MODE_UFP_MODE:
11815 bp->mf_mode = MULTI_FUNCTION_SD;
11816 bp->mf_sub_mode = SUB_MF_MODE_UFP;
11817 bp->mf_config[vn] =
11818 MF_CFG_RD(bp,
11819 func_mf_config[func].config);
11820 break;
Ariel Elior3786b942013-03-11 05:17:44 +000011821 case SHARED_FEAT_CFG_FORCE_SF_MODE_FORCED_SF:
11822 bp->mf_config[vn] = 0;
11823 break;
Yuval Mintz83bad202014-09-17 16:24:38 +030011824 case SHARED_FEAT_CFG_FORCE_SF_MODE_EXTENDED_MODE:
11825 val2 = SHMEM_RD(bp,
11826 dev_info.shared_hw_config.config_3);
11827 val2 &= SHARED_HW_CFG_EXTENDED_MF_MODE_MASK;
11828 switch (val2) {
11829 case SHARED_HW_CFG_EXTENDED_MF_MODE_NPAR1_DOT_5:
11830 validate_set_si_mode(bp);
11831 bp->mf_sub_mode =
11832 SUB_MF_MODE_NPAR1_DOT_5;
11833 break;
11834 default:
11835 /* Unknown configuration */
11836 bp->mf_config[vn] = 0;
11837 BNX2X_DEV_INFO("unknown extended MF mode 0x%x\n",
11838 val);
11839 }
11840 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011841 default:
11842 /* Unknown configuration: reset mf_config */
11843 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000011844 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011845 }
11846 }
11847
Eilon Greenstein2691d512009-08-12 08:22:08 +000011848 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011849 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000011850
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011851 switch (bp->mf_mode) {
11852 case MULTI_FUNCTION_SD:
11853 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
11854 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011855 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011856 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011857 bp->path_has_ovlan = true;
11858
Merav Sicron51c1a582012-03-18 10:33:38 +000011859 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
11860 func, bp->mf_ov, bp->mf_ov);
Yuval Mintz76096472014-09-17 16:24:37 +030011861 } else if (bp->mf_sub_mode == SUB_MF_MODE_UFP) {
11862 dev_err(&bp->pdev->dev,
11863 "Unexpected - no valid MF OV for func %d in UFP mode\n",
11864 func);
11865 bp->path_has_ovlan = true;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011866 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011867 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011868 "No valid MF OV for func %d, aborting\n",
11869 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011870 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011871 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011872 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011873 case MULTI_FUNCTION_AFEX:
11874 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
11875 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011876 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000011877 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
11878 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011879 break;
11880 default:
11881 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011882 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011883 "VN %d is in a single function mode, aborting\n",
11884 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011885 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011886 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011887 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011888 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011889
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011890 /* check if other port on the path needs ovlan:
11891 * Since MF configuration is shared between ports
11892 * Possible mixed modes are only
11893 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
11894 */
11895 if (CHIP_MODE_IS_4_PORT(bp) &&
11896 !bp->path_has_ovlan &&
11897 !IS_MF(bp) &&
11898 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11899 u8 other_port = !BP_PORT(bp);
11900 u8 other_func = BP_PATH(bp) + 2*other_port;
11901 val = MF_CFG_RD(bp,
11902 func_mf_config[other_func].e1hov_tag);
11903 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
11904 bp->path_has_ovlan = true;
11905 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011906 }
11907
Dmitry Kravkove8485822014-01-05 18:33:50 +020011908 /* adjust igu_sb_cnt to MF for E1H */
11909 if (CHIP_IS_E1H(bp) && IS_MF(bp))
11910 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt, E1H_MAX_MF_SB_COUNT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011911
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011912 /* port info */
11913 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011914
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011915 /* Get MAC addresses */
11916 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011917
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011918 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011919
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011920 return rc;
11921}
11922
Bill Pemberton0329aba2012-12-03 09:24:24 -050011923static void bnx2x_read_fwinfo(struct bnx2x *bp)
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011924{
11925 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011926 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011927 char str_id_reg[VENDOR_ID_LEN+1];
11928 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011929 char *vpd_data;
11930 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011931 u8 len;
11932
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011933 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011934 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
11935
11936 if (cnt < BNX2X_VPD_LEN)
11937 goto out_not_found;
11938
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011939 /* VPD RO tag should be first tag after identifier string, hence
11940 * we should be able to find it in first BNX2X_VPD_LEN chars
11941 */
11942 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011943 PCI_VPD_LRDT_RO_DATA);
11944 if (i < 0)
11945 goto out_not_found;
11946
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011947 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011948 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011949
11950 i += PCI_VPD_LRDT_TAG_SIZE;
11951
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011952 if (block_end > BNX2X_VPD_LEN) {
11953 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
11954 if (vpd_extended_data == NULL)
11955 goto out_not_found;
11956
11957 /* read rest of vpd image into vpd_extended_data */
11958 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
11959 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
11960 block_end - BNX2X_VPD_LEN,
11961 vpd_extended_data + BNX2X_VPD_LEN);
11962 if (cnt < (block_end - BNX2X_VPD_LEN))
11963 goto out_not_found;
11964 vpd_data = vpd_extended_data;
11965 } else
11966 vpd_data = vpd_start;
11967
11968 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011969
11970 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11971 PCI_VPD_RO_KEYWORD_MFR_ID);
11972 if (rodi < 0)
11973 goto out_not_found;
11974
11975 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11976
11977 if (len != VENDOR_ID_LEN)
11978 goto out_not_found;
11979
11980 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11981
11982 /* vendor specific info */
11983 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
11984 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
11985 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
11986 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
11987
11988 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11989 PCI_VPD_RO_KEYWORD_VENDOR0);
11990 if (rodi >= 0) {
11991 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11992
11993 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11994
11995 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
11996 memcpy(bp->fw_ver, &vpd_data[rodi], len);
11997 bp->fw_ver[len] = ' ';
11998 }
11999 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000012000 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000012001 return;
12002 }
12003out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000012004 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000012005 return;
12006}
12007
Bill Pemberton0329aba2012-12-03 09:24:24 -050012008static void bnx2x_set_modes_bitmap(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012009{
12010 u32 flags = 0;
12011
12012 if (CHIP_REV_IS_FPGA(bp))
12013 SET_FLAGS(flags, MODE_FPGA);
12014 else if (CHIP_REV_IS_EMUL(bp))
12015 SET_FLAGS(flags, MODE_EMUL);
12016 else
12017 SET_FLAGS(flags, MODE_ASIC);
12018
12019 if (CHIP_MODE_IS_4_PORT(bp))
12020 SET_FLAGS(flags, MODE_PORT4);
12021 else
12022 SET_FLAGS(flags, MODE_PORT2);
12023
12024 if (CHIP_IS_E2(bp))
12025 SET_FLAGS(flags, MODE_E2);
12026 else if (CHIP_IS_E3(bp)) {
12027 SET_FLAGS(flags, MODE_E3);
12028 if (CHIP_REV(bp) == CHIP_REV_Ax)
12029 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012030 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
12031 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012032 }
12033
12034 if (IS_MF(bp)) {
12035 SET_FLAGS(flags, MODE_MF);
12036 switch (bp->mf_mode) {
12037 case MULTI_FUNCTION_SD:
12038 SET_FLAGS(flags, MODE_MF_SD);
12039 break;
12040 case MULTI_FUNCTION_SI:
12041 SET_FLAGS(flags, MODE_MF_SI);
12042 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000012043 case MULTI_FUNCTION_AFEX:
12044 SET_FLAGS(flags, MODE_MF_AFEX);
12045 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012046 }
12047 } else
12048 SET_FLAGS(flags, MODE_SF);
12049
12050#if defined(__LITTLE_ENDIAN)
12051 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
12052#else /*(__BIG_ENDIAN)*/
12053 SET_FLAGS(flags, MODE_BIG_ENDIAN);
12054#endif
12055 INIT_MODE_FLAGS(bp) = flags;
12056}
12057
Bill Pemberton0329aba2012-12-03 09:24:24 -050012058static int bnx2x_init_bp(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012059{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012060 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012061 int rc;
12062
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012063 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070012064 mutex_init(&bp->fw_mb_mutex);
Yuval Mintz42f82772014-03-23 18:12:23 +020012065 mutex_init(&bp->drv_info_mutex);
Yuval Mintzc6e36d82015-06-01 15:08:18 +030012066 sema_init(&bp->stats_lock, 1);
Yuval Mintz42f82772014-03-23 18:12:23 +020012067 bp->drv_info_mng_owner = false;
Merav Sicron55c11942012-11-07 00:45:48 +000012068
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012069 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000012070 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012071 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Yuval Mintz370d4a22014-03-23 18:12:24 +020012072 INIT_DELAYED_WORK(&bp->iov_task, bnx2x_iov_task);
Ariel Elior1ab44342013-01-01 05:22:23 +000012073 if (IS_PF(bp)) {
12074 rc = bnx2x_get_hwinfo(bp);
12075 if (rc)
12076 return rc;
12077 } else {
Ariel Eliore09b74d2013-05-27 04:08:26 +000012078 eth_zero_addr(bp->dev->dev_addr);
Ariel Elior1ab44342013-01-01 05:22:23 +000012079 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012080
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012081 bnx2x_set_modes_bitmap(bp);
12082
12083 rc = bnx2x_alloc_mem_bp(bp);
12084 if (rc)
12085 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012086
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000012087 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012088
12089 func = BP_FUNC(bp);
12090
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012091 /* need to reset chip if undi was active */
Ariel Elior1ab44342013-01-01 05:22:23 +000012092 if (IS_PF(bp) && !BP_NOMCP(bp)) {
Yuval Mintz452427b2012-03-26 20:47:07 +000012093 /* init fw_seq */
12094 bp->fw_seq =
12095 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
12096 DRV_MSG_SEQ_NUMBER_MASK;
12097 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
12098
Yuval Mintz91ebb922013-12-26 09:57:07 +020012099 rc = bnx2x_prev_unload(bp);
12100 if (rc) {
12101 bnx2x_free_mem_bp(bp);
12102 return rc;
12103 }
Yuval Mintz452427b2012-03-26 20:47:07 +000012104 }
12105
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012106 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012107 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012108
12109 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000012110 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012111
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012112 bp->disable_tpa = disable_tpa;
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030012113 bp->disable_tpa |= !!IS_MF_STORAGE_ONLY(bp);
Michal Schmidt94d9de32014-02-25 16:04:26 +010012114 /* Reduce memory usage in kdump environment by disabling TPA */
Amir Vadaic9931892014-08-25 16:06:54 +030012115 bp->disable_tpa |= is_kdump_kernel();
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012116
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070012117 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012118 if (bp->disable_tpa) {
Michal Schmidtd9b9e862015-04-28 11:34:21 +020012119 bp->dev->hw_features &= ~NETIF_F_LRO;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070012120 bp->dev->features &= ~NETIF_F_LRO;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070012121 }
12122
Eilon Greensteina18f5122009-08-12 08:23:26 +000012123 if (CHIP_IS_E1(bp))
12124 bp->dropless_fc = 0;
12125 else
Yuval Mintz79642112012-12-02 04:05:50 +000012126 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
Eilon Greensteina18f5122009-08-12 08:23:26 +000012127
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000012128 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070012129
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030012130 bp->tx_ring_size = IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL;
Ariel Elior1ab44342013-01-01 05:22:23 +000012131 if (IS_VF(bp))
12132 bp->rx_ring_size = MAX_RX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012133
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000012134 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012135 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
12136 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012137
Michal Schmidtfc543632012-02-14 09:05:46 +000012138 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012139
12140 init_timer(&bp->timer);
12141 bp->timer.expires = jiffies + bp->current_interval;
12142 bp->timer.data = (unsigned long) bp;
12143 bp->timer.function = bnx2x_timer;
12144
Barak Witkowski0370cf92012-12-02 04:05:55 +000012145 if (SHMEM2_HAS(bp, dcbx_lldp_params_offset) &&
12146 SHMEM2_HAS(bp, dcbx_lldp_dcbx_stat_offset) &&
12147 SHMEM2_RD(bp, dcbx_lldp_params_offset) &&
12148 SHMEM2_RD(bp, dcbx_lldp_dcbx_stat_offset)) {
12149 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
12150 bnx2x_dcbx_init_params(bp);
12151 } else {
12152 bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);
12153 }
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000012154
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012155 if (CHIP_IS_E1x(bp))
12156 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
12157 else
12158 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012159
Ariel Elior6383c0b2011-07-14 08:31:57 +000012160 /* multiple tx priority */
Ariel Elior1ab44342013-01-01 05:22:23 +000012161 if (IS_VF(bp))
12162 bp->max_cos = 1;
12163 else if (CHIP_IS_E1x(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000012164 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
Ariel Elior1ab44342013-01-01 05:22:23 +000012165 else if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000012166 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
Ariel Elior1ab44342013-01-01 05:22:23 +000012167 else if (CHIP_IS_E3B0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000012168 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
Ariel Elior1ab44342013-01-01 05:22:23 +000012169 else
12170 BNX2X_ERR("unknown chip %x revision %x\n",
12171 CHIP_NUM(bp), CHIP_REV(bp));
12172 BNX2X_DEV_INFO("set bp->max_cos to %d\n", bp->max_cos);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012173
Merav Sicron55c11942012-11-07 00:45:48 +000012174 /* We need at least one default status block for slow-path events,
12175 * second status block for the L2 queue, and a third status block for
Yuval Mintz16a5fd92013-06-02 00:06:18 +000012176 * CNIC if supported.
Merav Sicron55c11942012-11-07 00:45:48 +000012177 */
Ariel Elior60cad4e2013-09-04 14:09:22 +030012178 if (IS_VF(bp))
12179 bp->min_msix_vec_cnt = 1;
12180 else if (CNIC_SUPPORT(bp))
Merav Sicron55c11942012-11-07 00:45:48 +000012181 bp->min_msix_vec_cnt = 3;
Ariel Elior60cad4e2013-09-04 14:09:22 +030012182 else /* PF w/o cnic */
Merav Sicron55c11942012-11-07 00:45:48 +000012183 bp->min_msix_vec_cnt = 2;
12184 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
12185
Michal Schmidt5bb680d2013-07-01 17:23:06 +020012186 bp->dump_preset_idx = 1;
12187
Michal Kalderoneeed0182014-08-17 16:47:44 +030012188 if (CHIP_IS_E3B0(bp))
12189 bp->flags |= PTP_SUPPORTED;
12190
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012191 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012192}
12193
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000012194/****************************************************************************
12195* General service functions
12196****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012197
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012198/*
12199 * net_device service functions
12200 */
12201
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070012202/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012203static int bnx2x_open(struct net_device *dev)
12204{
12205 struct bnx2x *bp = netdev_priv(dev);
Ariel Elior8395be52013-01-01 05:22:44 +000012206 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012207
Mintz Yuval1355b702012-02-15 02:10:22 +000012208 bp->stats_init = true;
12209
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000012210 netif_carrier_off(dev);
12211
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012212 bnx2x_set_power_state(bp, PCI_D0);
12213
Ariel Eliorad5afc82013-01-01 05:22:26 +000012214 /* If parity had happen during the unload, then attentions
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000012215 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
12216 * want the first function loaded on the current engine to
12217 * complete the recovery.
Ariel Eliorad5afc82013-01-01 05:22:26 +000012218 * Parity recovery is only relevant for PF driver.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000012219 */
Ariel Eliorad5afc82013-01-01 05:22:26 +000012220 if (IS_PF(bp)) {
Yuval Mintz1a6974b2013-10-20 16:51:27 +020012221 int other_engine = BP_PATH(bp) ? 0 : 1;
12222 bool other_load_status, load_status;
12223 bool global = false;
12224
Ariel Eliorad5afc82013-01-01 05:22:26 +000012225 other_load_status = bnx2x_get_load_status(bp, other_engine);
12226 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
12227 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
12228 bnx2x_chk_parity_attn(bp, &global, true)) {
12229 do {
12230 /* If there are attentions and they are in a
12231 * global blocks, set the GLOBAL_RESET bit
12232 * regardless whether it will be this function
12233 * that will complete the recovery or not.
12234 */
12235 if (global)
12236 bnx2x_set_reset_global(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000012237
Ariel Eliorad5afc82013-01-01 05:22:26 +000012238 /* Only the first function on the current
12239 * engine should try to recover in open. In case
12240 * of attentions in global blocks only the first
12241 * in the chip should try to recover.
12242 */
12243 if ((!load_status &&
12244 (!global || !other_load_status)) &&
12245 bnx2x_trylock_leader_lock(bp) &&
12246 !bnx2x_leader_reset(bp)) {
12247 netdev_info(bp->dev,
12248 "Recovered in open\n");
12249 break;
12250 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012251
Ariel Eliorad5afc82013-01-01 05:22:26 +000012252 /* recovery has failed... */
12253 bnx2x_set_power_state(bp, PCI_D3hot);
12254 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012255
Ariel Eliorad5afc82013-01-01 05:22:26 +000012256 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
12257 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012258
Ariel Eliorad5afc82013-01-01 05:22:26 +000012259 return -EAGAIN;
12260 } while (0);
12261 }
12262 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012263
12264 bp->recovery_state = BNX2X_RECOVERY_DONE;
Ariel Elior8395be52013-01-01 05:22:44 +000012265 rc = bnx2x_nic_load(bp, LOAD_OPEN);
12266 if (rc)
12267 return rc;
Ariel Elior9a8130b2013-09-28 08:46:09 +030012268 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012269}
12270
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070012271/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000012272static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012273{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012274 struct bnx2x *bp = netdev_priv(dev);
12275
12276 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000012277 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000012278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012279 return 0;
12280}
12281
Eric Dumazet1191cb82012-04-27 21:39:21 +000012282static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
12283 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012284{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012285 int mc_count = netdev_mc_count(bp->dev);
12286 struct bnx2x_mcast_list_elem *mc_mac =
Joe Perchescd2b0382014-02-20 13:25:51 -080012287 kcalloc(mc_count, sizeof(*mc_mac), GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012288 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012290 if (!mc_mac)
12291 return -ENOMEM;
12292
12293 INIT_LIST_HEAD(&p->mcast_list);
12294
12295 netdev_for_each_mc_addr(ha, bp->dev) {
12296 mc_mac->mac = bnx2x_mc_addr(ha);
12297 list_add_tail(&mc_mac->link, &p->mcast_list);
12298 mc_mac++;
12299 }
12300
12301 p->mcast_list_len = mc_count;
12302
12303 return 0;
12304}
12305
Eric Dumazet1191cb82012-04-27 21:39:21 +000012306static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012307 struct bnx2x_mcast_ramrod_params *p)
12308{
12309 struct bnx2x_mcast_list_elem *mc_mac =
12310 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
12311 link);
12312
12313 WARN_ON(!mc_mac);
12314 kfree(mc_mac);
12315}
12316
12317/**
12318 * bnx2x_set_uc_list - configure a new unicast MACs list.
12319 *
12320 * @bp: driver handle
12321 *
12322 * We will use zero (0) as a MAC type for these MACs.
12323 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012324static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012325{
12326 int rc;
12327 struct net_device *dev = bp->dev;
12328 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000012329 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012330 unsigned long ramrod_flags = 0;
12331
12332 /* First schedule a cleanup up of old configuration */
12333 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
12334 if (rc < 0) {
12335 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
12336 return rc;
12337 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012338
12339 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012340 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
12341 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000012342 if (rc == -EEXIST) {
12343 DP(BNX2X_MSG_SP,
12344 "Failed to schedule ADD operations: %d\n", rc);
12345 /* do not treat adding same MAC as error */
12346 rc = 0;
12347
12348 } else if (rc < 0) {
12349
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012350 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
12351 rc);
12352 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012353 }
12354 }
12355
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012356 /* Execute the pending commands */
12357 __set_bit(RAMROD_CONT, &ramrod_flags);
12358 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
12359 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012360}
12361
Eric Dumazet1191cb82012-04-27 21:39:21 +000012362static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012363{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012364 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000012365 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012366 int rc = 0;
12367
12368 rparam.mcast_obj = &bp->mcast_obj;
12369
12370 /* first, clear all configured multicast MACs */
12371 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
12372 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012373 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012374 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012375 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012376
12377 /* then, configure a new MACs list */
12378 if (netdev_mc_count(dev)) {
12379 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
12380 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012381 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
12382 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012383 return rc;
12384 }
12385
12386 /* Now add the new MACs */
12387 rc = bnx2x_config_mcast(bp, &rparam,
12388 BNX2X_MCAST_CMD_ADD);
12389 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000012390 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
12391 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012392
12393 bnx2x_free_mcast_macs_list(&rparam);
12394 }
12395
12396 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012397}
12398
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012399/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
stephen hemmingera8f47eb2014-01-09 22:20:11 -080012400static void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012401{
12402 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012403
12404 if (bp->state != BNX2X_STATE_OPEN) {
12405 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
12406 return;
Yuval Mintz8b09be52013-08-01 17:30:59 +030012407 } else {
12408 /* Schedule an SP task to handle rest of change */
Yuval Mintz230bb0f2014-02-12 18:19:56 +020012409 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_RX_MODE,
12410 NETIF_MSG_IFUP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012411 }
Yuval Mintz8b09be52013-08-01 17:30:59 +030012412}
12413
12414void bnx2x_set_rx_mode_inner(struct bnx2x *bp)
12415{
12416 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012417
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012418 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012419
Yuval Mintz8b09be52013-08-01 17:30:59 +030012420 netif_addr_lock_bh(bp->dev);
12421
12422 if (bp->dev->flags & IFF_PROMISC) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012423 rx_mode = BNX2X_RX_MODE_PROMISC;
Yuval Mintz8b09be52013-08-01 17:30:59 +030012424 } else if ((bp->dev->flags & IFF_ALLMULTI) ||
12425 ((netdev_mc_count(bp->dev) > BNX2X_MAX_MULTICAST) &&
12426 CHIP_IS_E1(bp))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012427 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Yuval Mintz8b09be52013-08-01 17:30:59 +030012428 } else {
Ariel Elior381ac162013-01-01 05:22:29 +000012429 if (IS_PF(bp)) {
12430 /* some multicasts */
12431 if (bnx2x_set_mc_list(bp) < 0)
12432 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012433
Yuval Mintz8b09be52013-08-01 17:30:59 +030012434 /* release bh lock, as bnx2x_set_uc_list might sleep */
12435 netif_addr_unlock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000012436 if (bnx2x_set_uc_list(bp) < 0)
12437 rx_mode = BNX2X_RX_MODE_PROMISC;
Yuval Mintz8b09be52013-08-01 17:30:59 +030012438 netif_addr_lock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000012439 } else {
12440 /* configuring mcast to a vf involves sleeping (when we
Yuval Mintz8b09be52013-08-01 17:30:59 +030012441 * wait for the pf's response).
Ariel Elior381ac162013-01-01 05:22:29 +000012442 */
Yuval Mintz230bb0f2014-02-12 18:19:56 +020012443 bnx2x_schedule_sp_rtnl(bp,
12444 BNX2X_SP_RTNL_VFPF_MCAST, 0);
Ariel Elior381ac162013-01-01 05:22:29 +000012445 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012446 }
12447
12448 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012449 /* handle ISCSI SD mode */
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030012450 if (IS_MF_ISCSI_ONLY(bp))
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012451 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012452
12453 /* Schedule the rx_mode command */
12454 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
12455 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
Yuval Mintz8b09be52013-08-01 17:30:59 +030012456 netif_addr_unlock_bh(bp->dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012457 return;
12458 }
12459
Ariel Elior381ac162013-01-01 05:22:29 +000012460 if (IS_PF(bp)) {
12461 bnx2x_set_storm_rx_mode(bp);
Yuval Mintz8b09be52013-08-01 17:30:59 +030012462 netif_addr_unlock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000012463 } else {
Yuval Mintz8b09be52013-08-01 17:30:59 +030012464 /* VF will need to request the PF to make this change, and so
12465 * the VF needs to release the bottom-half lock prior to the
12466 * request (as it will likely require sleep on the VF side)
Ariel Elior381ac162013-01-01 05:22:29 +000012467 */
Yuval Mintz8b09be52013-08-01 17:30:59 +030012468 netif_addr_unlock_bh(bp->dev);
12469 bnx2x_vfpf_storm_rx_mode(bp);
Ariel Elior381ac162013-01-01 05:22:29 +000012470 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012471}
12472
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070012473/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012474static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
12475 int devad, u16 addr)
12476{
12477 struct bnx2x *bp = netdev_priv(netdev);
12478 u16 value;
12479 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012480
12481 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
12482 prtad, devad, addr);
12483
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012484 /* The HW expects different devad if CL22 is used */
12485 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12486
12487 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012488 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012489 bnx2x_release_phy_lock(bp);
12490 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
12491
12492 if (!rc)
12493 rc = value;
12494 return rc;
12495}
12496
12497/* called with rtnl_lock */
12498static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
12499 u16 addr, u16 value)
12500{
12501 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012502 int rc;
12503
Merav Sicron51c1a582012-03-18 10:33:38 +000012504 DP(NETIF_MSG_LINK,
12505 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
12506 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012507
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012508 /* The HW expects different devad if CL22 is used */
12509 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12510
12511 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012512 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012513 bnx2x_release_phy_lock(bp);
12514 return rc;
12515}
12516
12517/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012518static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
12519{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012520 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012521 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012522
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012523 if (!netif_running(dev))
12524 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070012525
Michal Kalderoneeed0182014-08-17 16:47:44 +030012526 switch (cmd) {
12527 case SIOCSHWTSTAMP:
12528 return bnx2x_hwtstamp_ioctl(bp, ifr);
12529 default:
12530 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
12531 mdio->phy_id, mdio->reg_num, mdio->val_in);
12532 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
12533 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012534}
12535
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000012536#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012537static void poll_bnx2x(struct net_device *dev)
12538{
12539 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000012540 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012541
Merav Sicron14a15d62012-08-27 03:26:20 +000012542 for_each_eth_queue(bp, i) {
12543 struct bnx2x_fastpath *fp = &bp->fp[i];
12544 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
12545 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012546}
12547#endif
12548
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012549static int bnx2x_validate_addr(struct net_device *dev)
12550{
12551 struct bnx2x *bp = netdev_priv(dev);
12552
Ariel Eliore09b74d2013-05-27 04:08:26 +000012553 /* query the bulletin board for mac address configured by the PF */
12554 if (IS_VF(bp))
12555 bnx2x_sample_bulletin(bp);
12556
Dmitry Kravkov2e98ffc2014-09-17 16:24:36 +030012557 if (!is_valid_ether_addr(dev->dev_addr)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012558 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012559 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012560 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012561 return 0;
12562}
12563
Yuval Mintz3d7d5622013-10-09 16:06:28 +020012564static int bnx2x_get_phys_port_id(struct net_device *netdev,
Jiri Pirko02637fc2014-11-28 14:34:16 +010012565 struct netdev_phys_item_id *ppid)
Yuval Mintz3d7d5622013-10-09 16:06:28 +020012566{
12567 struct bnx2x *bp = netdev_priv(netdev);
12568
12569 if (!(bp->flags & HAS_PHYS_PORT_ID))
12570 return -EOPNOTSUPP;
12571
12572 ppid->id_len = sizeof(bp->phys_port_id);
12573 memcpy(ppid->id, bp->phys_port_id, ppid->id_len);
12574
12575 return 0;
12576}
12577
Jesse Gross5f352272014-12-23 22:37:26 -080012578static netdev_features_t bnx2x_features_check(struct sk_buff *skb,
12579 struct net_device *dev,
12580 netdev_features_t features)
Joe Stringer51de7bb2014-12-05 11:35:46 -080012581{
Toshiaki Makita8cb65d02015-03-27 14:31:12 +090012582 features = vlan_features_check(skb, features);
Jesse Gross5f352272014-12-23 22:37:26 -080012583 return vxlan_features_check(skb, features);
Joe Stringer51de7bb2014-12-05 11:35:46 -080012584}
12585
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012586static const struct net_device_ops bnx2x_netdev_ops = {
12587 .ndo_open = bnx2x_open,
12588 .ndo_stop = bnx2x_close,
12589 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000012590 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012591 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012592 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012593 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012594 .ndo_do_ioctl = bnx2x_ioctl,
12595 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000012596 .ndo_fix_features = bnx2x_fix_features,
12597 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012598 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000012599#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012600 .ndo_poll_controller = poll_bnx2x,
12601#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000012602 .ndo_setup_tc = bnx2x_setup_tc,
Ariel Elior64112802013-01-07 00:50:23 +000012603#ifdef CONFIG_BNX2X_SRIOV
Ariel Eliorabc5a022013-01-01 05:22:43 +000012604 .ndo_set_vf_mac = bnx2x_set_vf_mac,
Yuval Mintz3cdeec22013-06-02 00:06:19 +000012605 .ndo_set_vf_vlan = bnx2x_set_vf_vlan,
Ariel Elior3ec9f9c2013-03-11 05:17:45 +000012606 .ndo_get_vf_config = bnx2x_get_vf_config,
Ariel Elior64112802013-01-07 00:50:23 +000012607#endif
Merav Sicron55c11942012-11-07 00:45:48 +000012608#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000012609 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
12610#endif
Dmitry Kravkov8f20aa52013-06-19 01:36:04 +030012611
Cong Wange0d10952013-08-01 11:10:25 +080012612#ifdef CONFIG_NET_RX_BUSY_POLL
Eliezer Tamir8b80cda2013-07-10 17:13:26 +030012613 .ndo_busy_poll = bnx2x_low_latency_recv,
Dmitry Kravkov8f20aa52013-06-19 01:36:04 +030012614#endif
Yuval Mintz3d7d5622013-10-09 16:06:28 +020012615 .ndo_get_phys_port_id = bnx2x_get_phys_port_id,
Dmitry Kravkov6495d152014-06-26 14:31:04 +030012616 .ndo_set_vf_link_state = bnx2x_set_vf_link_state,
Jesse Gross5f352272014-12-23 22:37:26 -080012617 .ndo_features_check = bnx2x_features_check,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012618};
12619
Eric Dumazet1191cb82012-04-27 21:39:21 +000012620static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012621{
12622 struct device *dev = &bp->pdev->dev;
12623
Linus Torvalds8ceafbf2013-11-14 07:55:21 +090012624 if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)) != 0 &&
12625 dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)) != 0) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012626 dev_err(dev, "System does not support DMA, aborting\n");
12627 return -EIO;
12628 }
12629
12630 return 0;
12631}
12632
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020012633static void bnx2x_disable_pcie_error_reporting(struct bnx2x *bp)
12634{
12635 if (bp->flags & AER_ENABLED) {
12636 pci_disable_pcie_error_reporting(bp->pdev);
12637 bp->flags &= ~AER_ENABLED;
12638 }
12639}
12640
Ariel Elior1ab44342013-01-01 05:22:23 +000012641static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
12642 struct net_device *dev, unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012643{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012644 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000012645 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000012646 bool chip_is_e1x = (board_type == BCM57710 ||
12647 board_type == BCM57711 ||
12648 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012649
12650 SET_NETDEV_DEV(dev, &pdev->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012651
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012652 bp->dev = dev;
12653 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012654
12655 rc = pci_enable_device(pdev);
12656 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012657 dev_err(&bp->pdev->dev,
12658 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012659 goto err_out;
12660 }
12661
12662 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012663 dev_err(&bp->pdev->dev,
12664 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012665 rc = -ENODEV;
12666 goto err_out_disable;
12667 }
12668
Ariel Elior1ab44342013-01-01 05:22:23 +000012669 if (IS_PF(bp) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
12670 dev_err(&bp->pdev->dev, "Cannot find second PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012671 rc = -ENODEV;
12672 goto err_out_disable;
12673 }
12674
Yaniv Rosner092a5fc2012-12-02 23:56:49 +000012675 pci_read_config_dword(pdev, PCICFG_REVISION_ID_OFFSET, &pci_cfg_dword);
12676 if ((pci_cfg_dword & PCICFG_REVESION_ID_MASK) ==
12677 PCICFG_REVESION_ID_ERROR_VAL) {
12678 pr_err("PCI device error, probably due to fan failure, aborting\n");
12679 rc = -ENODEV;
12680 goto err_out_disable;
12681 }
12682
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012683 if (atomic_read(&pdev->enable_cnt) == 1) {
12684 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
12685 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012686 dev_err(&bp->pdev->dev,
12687 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012688 goto err_out_disable;
12689 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012690
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012691 pci_set_master(pdev);
12692 pci_save_state(pdev);
12693 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012694
Ariel Elior1ab44342013-01-01 05:22:23 +000012695 if (IS_PF(bp)) {
Jon Mason29ed74c2013-09-11 11:22:39 -070012696 if (!pdev->pm_cap) {
Ariel Elior1ab44342013-01-01 05:22:23 +000012697 dev_err(&bp->pdev->dev,
12698 "Cannot find power management capability, aborting\n");
12699 rc = -EIO;
12700 goto err_out_release;
12701 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012702 }
12703
Jon Mason77c98e62011-06-27 07:45:12 +000012704 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012705 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012706 rc = -EIO;
12707 goto err_out_release;
12708 }
12709
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012710 rc = bnx2x_set_coherency_mask(bp);
12711 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012712 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012713
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012714 dev->mem_start = pci_resource_start(pdev, 0);
12715 dev->base_addr = dev->mem_start;
12716 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012717
12718 dev->irq = pdev->irq;
12719
Arjan van de Ven275f1652008-10-20 21:42:39 -070012720 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012721 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012722 dev_err(&bp->pdev->dev,
12723 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012724 rc = -ENOMEM;
12725 goto err_out_release;
12726 }
12727
Ariel Eliorc22610d02012-01-26 06:01:47 +000012728 /* In E1/E1H use pci device function given by kernel.
12729 * In E2/E3 read physical function from ME register since these chips
12730 * support Physical Device Assignment where kernel BDF maybe arbitrary
12731 * (depending on hypervisor).
12732 */
Yuval Mintz2de67432013-01-23 03:21:43 +000012733 if (chip_is_e1x) {
Ariel Eliorc22610d02012-01-26 06:01:47 +000012734 bp->pf_num = PCI_FUNC(pdev->devfn);
Yuval Mintz2de67432013-01-23 03:21:43 +000012735 } else {
12736 /* chip is E2/3*/
Ariel Eliorc22610d02012-01-26 06:01:47 +000012737 pci_read_config_dword(bp->pdev,
12738 PCICFG_ME_REGISTER, &pci_cfg_dword);
12739 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
Yuval Mintz2de67432013-01-23 03:21:43 +000012740 ME_REG_ABS_PF_NUM_SHIFT);
Ariel Eliorc22610d02012-01-26 06:01:47 +000012741 }
Merav Sicron51c1a582012-03-18 10:33:38 +000012742 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000012743
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012744 /* clean indirect addresses */
12745 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
12746 PCICFG_VENDOR_ID_OFFSET);
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020012747
Brian Kingda293702015-03-04 08:09:44 -060012748 /* Set PCIe reset type to fundamental for EEH recovery */
12749 pdev->needs_freset = 1;
12750
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020012751 /* AER (Advanced Error reporting) configuration */
12752 rc = pci_enable_pcie_error_reporting(pdev);
12753 if (!rc)
12754 bp->flags |= AER_ENABLED;
12755 else
12756 BNX2X_DEV_INFO("Failed To configure PCIe AER [%d]\n", rc);
12757
David S. Miller8decf862011-09-22 03:23:13 -040012758 /*
12759 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070012760 * is not used by the driver.
12761 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012762 if (IS_PF(bp)) {
12763 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
12764 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
12765 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
12766 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040012767
Ariel Elior1ab44342013-01-01 05:22:23 +000012768 if (chip_is_e1x) {
12769 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
12770 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
12771 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
12772 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
12773 }
12774
12775 /* Enable internal target-read (in case we are probed after PF
12776 * FLR). Must be done prior to any BAR read access. Only for
12777 * 57712 and up
12778 */
12779 if (!chip_is_e1x)
12780 REG_WR(bp,
12781 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
David S. Miller8decf862011-09-22 03:23:13 -040012782 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012783
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012784 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012785
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012786 dev->netdev_ops = &bnx2x_netdev_ops;
Ariel Elior005a07ba2013-03-11 05:17:42 +000012787 bnx2x_set_ethtool_ops(bp, dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000012788
Jiri Pirko01789342011-08-16 06:29:00 +000012789 dev->priv_flags |= IFF_UNICAST_FLT;
12790
Michał Mirosław66371c42011-04-12 09:38:23 +000012791 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000012792 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
12793 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
Patrick McHardyf6469682013-04-19 02:04:27 +000012794 NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX;
Michal Schmidta8e0c242015-03-16 16:15:59 +010012795 if (!chip_is_e1x) {
Eric Dumazet117401e2013-10-19 11:42:58 -070012796 dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL |
Eric Dumazet2e3bd6a2013-10-20 20:47:31 -070012797 NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT;
Dmitry Kravkova848ade2013-03-18 06:51:03 +000012798 dev->hw_enc_features =
12799 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
12800 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
Eric Dumazet117401e2013-10-19 11:42:58 -070012801 NETIF_F_GSO_IPIP |
Eric Dumazet2e3bd6a2013-10-20 20:47:31 -070012802 NETIF_F_GSO_SIT |
Dmitry Kravkov65bc0cf2013-04-28 08:16:02 +000012803 NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;
Dmitry Kravkova848ade2013-03-18 06:51:03 +000012804 }
Michał Mirosław66371c42011-04-12 09:38:23 +000012805
12806 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
12807 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
12808
Patrick McHardyf6469682013-04-19 02:04:27 +000012809 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX;
Merav Sicronedd31472013-10-20 16:51:34 +020012810 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012811
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000012812 /* Add Loopback capability to the device */
12813 dev->hw_features |= NETIF_F_LOOPBACK;
12814
Shmulik Ravid98507672011-02-28 12:19:55 -080012815#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000012816 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
12817#endif
12818
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012819 /* get_port_hwinfo() will set prtad and mmds properly */
12820 bp->mdio.prtad = MDIO_PRTAD_NONE;
12821 bp->mdio.mmds = 0;
12822 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
12823 bp->mdio.dev = dev;
12824 bp->mdio.mdio_read = bnx2x_mdio_read;
12825 bp->mdio.mdio_write = bnx2x_mdio_write;
12826
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012827 return 0;
12828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012829err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012830 if (atomic_read(&pdev->enable_cnt) == 1)
12831 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012832
12833err_out_disable:
12834 pci_disable_device(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012835
12836err_out:
12837 return rc;
12838}
12839
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000012840static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012841{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012842 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012843 struct bnx2x_fw_file_hdr *fw_hdr;
12844 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012845 u32 offset, len, num_ops;
Yuval Mintz86564c32013-01-23 03:21:50 +000012846 __be16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012847 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012848 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012849
Merav Sicron51c1a582012-03-18 10:33:38 +000012850 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
12851 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012852 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012853 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012854
12855 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
12856 sections = (struct bnx2x_fw_file_section *)fw_hdr;
12857
12858 /* Make sure none of the offsets and sizes make us read beyond
12859 * the end of the firmware data */
12860 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
12861 offset = be32_to_cpu(sections[i].offset);
12862 len = be32_to_cpu(sections[i].len);
12863 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012864 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012865 return -EINVAL;
12866 }
12867 }
12868
12869 /* Likewise for the init_ops offsets */
12870 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
Yuval Mintz86564c32013-01-23 03:21:50 +000012871 ops_offsets = (__force __be16 *)(firmware->data + offset);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012872 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
12873
12874 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
12875 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012876 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012877 return -EINVAL;
12878 }
12879 }
12880
12881 /* Check FW version */
12882 offset = be32_to_cpu(fw_hdr->fw_version.offset);
12883 fw_ver = firmware->data + offset;
12884 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
12885 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
12886 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
12887 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012888 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
12889 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
12890 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012891 BCM_5710_FW_MINOR_VERSION,
12892 BCM_5710_FW_REVISION_VERSION,
12893 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012894 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012895 }
12896
12897 return 0;
12898}
12899
Eric Dumazet1191cb82012-04-27 21:39:21 +000012900static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012901{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012902 const __be32 *source = (const __be32 *)_source;
12903 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012904 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012905
12906 for (i = 0; i < n/4; i++)
12907 target[i] = be32_to_cpu(source[i]);
12908}
12909
12910/*
12911 Ops array is stored in the following format:
12912 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
12913 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012914static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012915{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012916 const __be32 *source = (const __be32 *)_source;
12917 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012918 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012919
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012920 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012921 tmp = be32_to_cpu(source[j]);
12922 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012923 target[i].offset = tmp & 0xffffff;
12924 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012925 }
12926}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012927
Ben Hutchings1aa8b472012-07-10 10:56:59 +000012928/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012929 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
12930 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012931static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012932{
12933 const __be32 *source = (const __be32 *)_source;
12934 struct iro *target = (struct iro *)_target;
12935 u32 i, j, tmp;
12936
12937 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
12938 target[i].base = be32_to_cpu(source[j]);
12939 j++;
12940 tmp = be32_to_cpu(source[j]);
12941 target[i].m1 = (tmp >> 16) & 0xffff;
12942 target[i].m2 = tmp & 0xffff;
12943 j++;
12944 tmp = be32_to_cpu(source[j]);
12945 target[i].m3 = (tmp >> 16) & 0xffff;
12946 target[i].size = tmp & 0xffff;
12947 j++;
12948 }
12949}
12950
Eric Dumazet1191cb82012-04-27 21:39:21 +000012951static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012952{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012953 const __be16 *source = (const __be16 *)_source;
12954 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012955 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012956
12957 for (i = 0; i < n/2; i++)
12958 target[i] = be16_to_cpu(source[i]);
12959}
12960
Joe Perches7995c642010-02-17 15:01:52 +000012961#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
12962do { \
12963 u32 len = be32_to_cpu(fw_hdr->arr.len); \
12964 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000012965 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000012966 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000012967 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
12968 (u8 *)bp->arr, len); \
12969} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012970
Yuval Mintz3b603062012-03-18 10:33:39 +000012971static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012972{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012973 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012974 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000012975 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012976
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012977 if (bp->firmware)
12978 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012979
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012980 if (CHIP_IS_E1(bp))
12981 fw_file_name = FW_FILE_NAME_E1;
12982 else if (CHIP_IS_E1H(bp))
12983 fw_file_name = FW_FILE_NAME_E1H;
12984 else if (!CHIP_IS_E1x(bp))
12985 fw_file_name = FW_FILE_NAME_E2;
12986 else {
12987 BNX2X_ERR("Unsupported chip revision\n");
12988 return -EINVAL;
12989 }
12990 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012991
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012992 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
12993 if (rc) {
12994 BNX2X_ERR("Can't load firmware file %s\n",
12995 fw_file_name);
12996 goto request_firmware_exit;
12997 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012998
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012999 rc = bnx2x_check_firmware(bp);
13000 if (rc) {
13001 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
13002 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013003 }
13004
13005 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
13006
13007 /* Initialize the pointers to the init arrays */
13008 /* Blob */
13009 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
13010
13011 /* Opcodes */
13012 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
13013
13014 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000013015 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
13016 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013017
13018 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000013019 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13020 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
13021 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
13022 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
13023 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13024 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
13025 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
13026 be32_to_cpu(fw_hdr->usem_pram_data.offset);
13027 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13028 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
13029 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
13030 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
13031 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13032 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
13033 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
13034 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013035 /* IRO */
13036 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013037
13038 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000013039
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013040iro_alloc_err:
13041 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013042init_offsets_alloc_err:
13043 kfree(bp->init_ops);
13044init_ops_alloc_err:
13045 kfree(bp->init_data);
13046request_firmware_exit:
13047 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000013048 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013049
13050 return rc;
13051}
13052
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013053static void bnx2x_release_firmware(struct bnx2x *bp)
13054{
13055 kfree(bp->init_ops_offsets);
13056 kfree(bp->init_ops);
13057 kfree(bp->init_data);
13058 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000013059 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013060}
13061
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013062static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
13063 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
13064 .init_hw_cmn = bnx2x_init_hw_common,
13065 .init_hw_port = bnx2x_init_hw_port,
13066 .init_hw_func = bnx2x_init_hw_func,
13067
13068 .reset_hw_cmn = bnx2x_reset_common,
13069 .reset_hw_port = bnx2x_reset_port,
13070 .reset_hw_func = bnx2x_reset_func,
13071
13072 .gunzip_init = bnx2x_gunzip_init,
13073 .gunzip_end = bnx2x_gunzip_end,
13074
13075 .init_fw = bnx2x_init_firmware,
13076 .release_fw = bnx2x_release_firmware,
13077};
13078
13079void bnx2x__init_func_obj(struct bnx2x *bp)
13080{
13081 /* Prepare DMAE related driver resources */
13082 bnx2x_setup_dmae(bp);
13083
13084 bnx2x_init_func_obj(bp, &bp->func_obj,
13085 bnx2x_sp(bp, func_rdata),
13086 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000013087 bnx2x_sp(bp, func_afex_rdata),
13088 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013089 &bnx2x_func_sp_drv);
13090}
13091
13092/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000013093static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013094{
Merav Sicron37ae41a2012-06-19 07:48:27 +000013095 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013096
Ariel Elior290ca2b2013-01-01 05:22:31 +000013097 if (IS_SRIOV(bp))
13098 cid_count += BNX2X_VF_CIDS;
13099
Merav Sicron55c11942012-11-07 00:45:48 +000013100 if (CNIC_SUPPORT(bp))
13101 cid_count += CNIC_CID_MAX;
Ariel Elior290ca2b2013-01-01 05:22:31 +000013102
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013103 return roundup(cid_count, QM_CID_ROUND);
13104}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000013105
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013106/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000013107 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013108 *
13109 * @dev: pci device
13110 *
13111 */
Ariel Elior60cad4e2013-09-04 14:09:22 +030013112static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013113{
Yijing Wangae2104b2013-08-08 21:02:36 +080013114 int index;
Ariel Elior1ab44342013-01-01 05:22:23 +000013115 u16 control = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013116
Ariel Elior6383c0b2011-07-14 08:31:57 +000013117 /*
13118 * If MSI-X is not supported - return number of SBs needed to support
13119 * one fast path queue: one FP queue + SB for CNIC
13120 */
Yijing Wangae2104b2013-08-08 21:02:36 +080013121 if (!pdev->msix_cap) {
Ariel Elior1ab44342013-01-01 05:22:23 +000013122 dev_info(&pdev->dev, "no msix capability found\n");
Merav Sicron55c11942012-11-07 00:45:48 +000013123 return 1 + cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000013124 }
13125 dev_info(&pdev->dev, "msix capability found\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +000013126
13127 /*
13128 * The value in the PCI configuration space is the index of the last
13129 * entry, namely one less than the actual size of the table, which is
13130 * exactly what we want to return from this function: number of all SBs
13131 * without the default SB.
Ariel Elior1ab44342013-01-01 05:22:23 +000013132 * For VFs there is no default SB, then we return (index+1).
Ariel Elior6383c0b2011-07-14 08:31:57 +000013133 */
Yijing Wang73413ff2014-06-25 12:22:56 +080013134 pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &control);
Ariel Elior1ab44342013-01-01 05:22:23 +000013135
13136 index = control & PCI_MSIX_FLAGS_QSIZE;
13137
Ariel Elior60cad4e2013-09-04 14:09:22 +030013138 return index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013139}
13140
Ariel Elior1ab44342013-01-01 05:22:23 +000013141static int set_max_cos_est(int chip_id)
13142{
13143 switch (chip_id) {
13144 case BCM57710:
13145 case BCM57711:
13146 case BCM57711E:
13147 return BNX2X_MULTI_TX_COS_E1X;
13148 case BCM57712:
13149 case BCM57712_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000013150 return BNX2X_MULTI_TX_COS_E2_E3A0;
13151 case BCM57800:
13152 case BCM57800_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000013153 case BCM57810:
13154 case BCM57810_MF:
13155 case BCM57840_4_10:
13156 case BCM57840_2_20:
13157 case BCM57840_O:
13158 case BCM57840_MFO:
Ariel Elior1ab44342013-01-01 05:22:23 +000013159 case BCM57840_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000013160 case BCM57811:
13161 case BCM57811_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000013162 return BNX2X_MULTI_TX_COS_E3B0;
Yuval Mintzb1239722013-10-20 16:51:26 +020013163 case BCM57712_VF:
13164 case BCM57800_VF:
13165 case BCM57810_VF:
13166 case BCM57840_VF:
13167 case BCM57811_VF:
Ariel Elior1ab44342013-01-01 05:22:23 +000013168 return 1;
13169 default:
13170 pr_err("Unknown board_type (%d), aborting\n", chip_id);
13171 return -ENODEV;
13172 }
13173}
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000013174
Ariel Elior1ab44342013-01-01 05:22:23 +000013175static int set_is_vf(int chip_id)
13176{
13177 switch (chip_id) {
13178 case BCM57712_VF:
13179 case BCM57800_VF:
13180 case BCM57810_VF:
13181 case BCM57840_VF:
13182 case BCM57811_VF:
13183 return true;
13184 default:
13185 return false;
13186 }
13187}
13188
Michal Kalderoneeed0182014-08-17 16:47:44 +030013189/* nig_tsgen registers relative address */
13190#define tsgen_ctrl 0x0
13191#define tsgen_freecount 0x10
13192#define tsgen_synctime_t0 0x20
13193#define tsgen_offset_t0 0x28
13194#define tsgen_drift_t0 0x30
13195#define tsgen_synctime_t1 0x58
13196#define tsgen_offset_t1 0x60
13197#define tsgen_drift_t1 0x68
13198
13199/* FW workaround for setting drift */
13200static int bnx2x_send_update_drift_ramrod(struct bnx2x *bp, int drift_dir,
13201 int best_val, int best_period)
13202{
13203 struct bnx2x_func_state_params func_params = {NULL};
13204 struct bnx2x_func_set_timesync_params *set_timesync_params =
13205 &func_params.params.set_timesync;
13206
13207 /* Prepare parameters for function state transitions */
13208 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
13209 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
13210
13211 func_params.f_obj = &bp->func_obj;
13212 func_params.cmd = BNX2X_F_CMD_SET_TIMESYNC;
13213
13214 /* Function parameters */
13215 set_timesync_params->drift_adjust_cmd = TS_DRIFT_ADJUST_SET;
13216 set_timesync_params->offset_cmd = TS_OFFSET_KEEP;
13217 set_timesync_params->add_sub_drift_adjust_value =
13218 drift_dir ? TS_ADD_VALUE : TS_SUB_VALUE;
13219 set_timesync_params->drift_adjust_value = best_val;
13220 set_timesync_params->drift_adjust_period = best_period;
13221
13222 return bnx2x_func_state_change(bp, &func_params);
13223}
13224
13225static int bnx2x_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
13226{
13227 struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13228 int rc;
13229 int drift_dir = 1;
13230 int val, period, period1, period2, dif, dif1, dif2;
13231 int best_dif = BNX2X_MAX_PHC_DRIFT, best_period = 0, best_val = 0;
13232
13233 DP(BNX2X_MSG_PTP, "PTP adjfreq called, ppb = %d\n", ppb);
13234
13235 if (!netif_running(bp->dev)) {
13236 DP(BNX2X_MSG_PTP,
13237 "PTP adjfreq called while the interface is down\n");
13238 return -EFAULT;
13239 }
13240
13241 if (ppb < 0) {
13242 ppb = -ppb;
13243 drift_dir = 0;
13244 }
13245
13246 if (ppb == 0) {
13247 best_val = 1;
13248 best_period = 0x1FFFFFF;
13249 } else if (ppb >= BNX2X_MAX_PHC_DRIFT) {
13250 best_val = 31;
13251 best_period = 1;
13252 } else {
13253 /* Changed not to allow val = 8, 16, 24 as these values
13254 * are not supported in workaround.
13255 */
13256 for (val = 0; val <= 31; val++) {
13257 if ((val & 0x7) == 0)
13258 continue;
13259 period1 = val * 1000000 / ppb;
13260 period2 = period1 + 1;
13261 if (period1 != 0)
13262 dif1 = ppb - (val * 1000000 / period1);
13263 else
13264 dif1 = BNX2X_MAX_PHC_DRIFT;
13265 if (dif1 < 0)
13266 dif1 = -dif1;
13267 dif2 = ppb - (val * 1000000 / period2);
13268 if (dif2 < 0)
13269 dif2 = -dif2;
13270 dif = (dif1 < dif2) ? dif1 : dif2;
13271 period = (dif1 < dif2) ? period1 : period2;
13272 if (dif < best_dif) {
13273 best_dif = dif;
13274 best_val = val;
13275 best_period = period;
13276 }
13277 }
13278 }
13279
13280 rc = bnx2x_send_update_drift_ramrod(bp, drift_dir, best_val,
13281 best_period);
13282 if (rc) {
13283 BNX2X_ERR("Failed to set drift\n");
13284 return -EFAULT;
13285 }
13286
Jiri Bencbf27c352014-12-18 09:04:35 +010013287 DP(BNX2X_MSG_PTP, "Configured val = %d, period = %d\n", best_val,
Michal Kalderoneeed0182014-08-17 16:47:44 +030013288 best_period);
13289
13290 return 0;
13291}
13292
13293static int bnx2x_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
13294{
13295 struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
Michal Kalderoneeed0182014-08-17 16:47:44 +030013296
13297 DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta);
13298
Richard Cochran2e5601f2014-12-21 19:46:59 +010013299 timecounter_adjtime(&bp->timecounter, delta);
Michal Kalderoneeed0182014-08-17 16:47:44 +030013300
13301 return 0;
13302}
13303
Richard Cochran5d451862015-03-29 23:11:56 +020013304static int bnx2x_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
Michal Kalderoneeed0182014-08-17 16:47:44 +030013305{
13306 struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13307 u64 ns;
Michal Kalderoneeed0182014-08-17 16:47:44 +030013308
13309 ns = timecounter_read(&bp->timecounter);
13310
13311 DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns);
13312
Richard Cochranf7dcdef2015-03-31 23:08:07 +020013313 *ts = ns_to_timespec64(ns);
Michal Kalderoneeed0182014-08-17 16:47:44 +030013314
13315 return 0;
13316}
13317
13318static int bnx2x_ptp_settime(struct ptp_clock_info *ptp,
Richard Cochran5d451862015-03-29 23:11:56 +020013319 const struct timespec64 *ts)
Michal Kalderoneeed0182014-08-17 16:47:44 +030013320{
13321 struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13322 u64 ns;
13323
Richard Cochranf7dcdef2015-03-31 23:08:07 +020013324 ns = timespec64_to_ns(ts);
Michal Kalderoneeed0182014-08-17 16:47:44 +030013325
13326 DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns);
13327
13328 /* Re-init the timecounter */
13329 timecounter_init(&bp->timecounter, &bp->cyclecounter, ns);
13330
13331 return 0;
13332}
13333
13334/* Enable (or disable) ancillary features of the phc subsystem */
13335static int bnx2x_ptp_enable(struct ptp_clock_info *ptp,
13336 struct ptp_clock_request *rq, int on)
13337{
13338 struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13339
13340 BNX2X_ERR("PHC ancillary features are not supported\n");
13341 return -ENOTSUPP;
13342}
13343
Lad, Prabhakar1444c302015-02-05 15:47:17 +000013344static void bnx2x_register_phc(struct bnx2x *bp)
Michal Kalderoneeed0182014-08-17 16:47:44 +030013345{
13346 /* Fill the ptp_clock_info struct and register PTP clock*/
13347 bp->ptp_clock_info.owner = THIS_MODULE;
13348 snprintf(bp->ptp_clock_info.name, 16, "%s", bp->dev->name);
13349 bp->ptp_clock_info.max_adj = BNX2X_MAX_PHC_DRIFT; /* In PPB */
13350 bp->ptp_clock_info.n_alarm = 0;
13351 bp->ptp_clock_info.n_ext_ts = 0;
13352 bp->ptp_clock_info.n_per_out = 0;
13353 bp->ptp_clock_info.pps = 0;
13354 bp->ptp_clock_info.adjfreq = bnx2x_ptp_adjfreq;
13355 bp->ptp_clock_info.adjtime = bnx2x_ptp_adjtime;
Richard Cochran5d451862015-03-29 23:11:56 +020013356 bp->ptp_clock_info.gettime64 = bnx2x_ptp_gettime;
13357 bp->ptp_clock_info.settime64 = bnx2x_ptp_settime;
Michal Kalderoneeed0182014-08-17 16:47:44 +030013358 bp->ptp_clock_info.enable = bnx2x_ptp_enable;
13359
13360 bp->ptp_clock = ptp_clock_register(&bp->ptp_clock_info, &bp->pdev->dev);
13361 if (IS_ERR(bp->ptp_clock)) {
13362 bp->ptp_clock = NULL;
13363 BNX2X_ERR("PTP clock registeration failed\n");
13364 }
13365}
13366
Ariel Elior1ab44342013-01-01 05:22:23 +000013367static int bnx2x_init_one(struct pci_dev *pdev,
13368 const struct pci_device_id *ent)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013369{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013370 struct net_device *dev = NULL;
13371 struct bnx2x *bp;
Yuval Mintzb91e1a12013-09-28 08:46:12 +030013372 enum pcie_link_width pcie_width;
13373 enum pci_bus_speed pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000013374 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000013375 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior1ab44342013-01-01 05:22:23 +000013376 int max_cos_est;
13377 bool is_vf;
Merav Sicron55c11942012-11-07 00:45:48 +000013378 int cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000013379
Yuval Mintz12a85412015-04-29 08:09:49 +030013380 /* Management FW 'remembers' living interfaces. Allow it some time
13381 * to forget previously living interfaces, allowing a proper re-load.
13382 */
Michal Schmidtcd9c3992015-05-07 20:37:10 +020013383 if (is_kdump_kernel()) {
13384 ktime_t now = ktime_get_boottime();
13385 ktime_t fw_ready_time = ktime_set(5, 0);
13386
13387 if (ktime_before(now, fw_ready_time))
13388 msleep(ktime_ms_delta(fw_ready_time, now));
13389 }
Yuval Mintz12a85412015-04-29 08:09:49 +030013390
Ariel Elior1ab44342013-01-01 05:22:23 +000013391 /* An estimated maximum supported CoS number according to the chip
Ariel Elior6383c0b2011-07-14 08:31:57 +000013392 * version.
13393 * We will try to roughly estimate the maximum number of CoSes this chip
13394 * may support in order to minimize the memory allocated for Tx
13395 * netdev_queue's. This number will be accurately calculated during the
13396 * initialization of bp->max_cos based on the chip versions AND chip
13397 * revision in the bnx2x_init_bp().
13398 */
Ariel Elior1ab44342013-01-01 05:22:23 +000013399 max_cos_est = set_max_cos_est(ent->driver_data);
13400 if (max_cos_est < 0)
13401 return max_cos_est;
13402 is_vf = set_is_vf(ent->driver_data);
13403 cnic_cnt = is_vf ? 0 : 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013404
Ariel Elior60cad4e2013-09-04 14:09:22 +030013405 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt);
13406
13407 /* add another SB for VF as it has no default SB */
13408 max_non_def_sbs += is_vf ? 1 : 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +000013409
13410 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Ariel Elior60cad4e2013-09-04 14:09:22 +030013411 rss_count = max_non_def_sbs - cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000013412
13413 if (rss_count < 1)
13414 return -EINVAL;
Ariel Elior6383c0b2011-07-14 08:31:57 +000013415
13416 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000013417 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000013418
Ariel Elior1ab44342013-01-01 05:22:23 +000013419 /* Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000013420 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000013421 */
Merav Sicron55c11942012-11-07 00:45:48 +000013422 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000013423
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013424 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000013425 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000013426 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013427 return -ENOMEM;
13428
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013429 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000013430
Ariel Elior1ab44342013-01-01 05:22:23 +000013431 bp->flags = 0;
13432 if (is_vf)
13433 bp->flags |= IS_VF_FLAG;
13434
Ariel Elior6383c0b2011-07-14 08:31:57 +000013435 bp->igu_sb_cnt = max_non_def_sbs;
Ariel Elior1ab44342013-01-01 05:22:23 +000013436 bp->igu_base_addr = IS_VF(bp) ? PXP_VF_ADDR_IGU_START : BAR_IGU_INTMEM;
Joe Perches7995c642010-02-17 15:01:52 +000013437 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000013438 bp->cnic_support = cnic_cnt;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000013439 bp->cnic_probe = bnx2x_cnic_probe;
Merav Sicron55c11942012-11-07 00:45:48 +000013440
Eilon Greensteindf4770de2009-08-12 08:23:28 +000013441 pci_set_drvdata(pdev, dev);
13442
Ariel Elior1ab44342013-01-01 05:22:23 +000013443 rc = bnx2x_init_dev(bp, pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013444 if (rc < 0) {
13445 free_netdev(dev);
13446 return rc;
13447 }
13448
Ariel Elior1ab44342013-01-01 05:22:23 +000013449 BNX2X_DEV_INFO("This is a %s function\n",
13450 IS_PF(bp) ? "physical" : "virtual");
Merav Sicron55c11942012-11-07 00:45:48 +000013451 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Ariel Elior1ab44342013-01-01 05:22:23 +000013452 BNX2X_DEV_INFO("Max num of status blocks %d\n", max_non_def_sbs);
Merav Sicron60aa0502012-06-19 07:48:29 +000013453 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
Yuval Mintz2de67432013-01-23 03:21:43 +000013454 tx_count, rx_count);
Merav Sicron60aa0502012-06-19 07:48:29 +000013455
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013456 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000013457 if (rc)
13458 goto init_one_exit;
13459
Ariel Elior1ab44342013-01-01 05:22:23 +000013460 /* Map doorbells here as we need the real value of bp->max_cos which
13461 * is initialized in bnx2x_init_bp() to determine the number of
13462 * l2 connections.
Ariel Elior6383c0b2011-07-14 08:31:57 +000013463 */
Ariel Elior1ab44342013-01-01 05:22:23 +000013464 if (IS_VF(bp)) {
Dmitry Kravkov1d6f3cd2013-03-27 01:05:17 +000013465 bp->doorbells = bnx2x_vf_doorbells(bp);
Ariel Elior64112802013-01-07 00:50:23 +000013466 rc = bnx2x_vf_pci_alloc(bp);
13467 if (rc)
13468 goto init_one_exit;
Ariel Elior1ab44342013-01-01 05:22:23 +000013469 } else {
13470 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
13471 if (doorbell_size > pci_resource_len(pdev, 2)) {
13472 dev_err(&bp->pdev->dev,
13473 "Cannot map doorbells, bar size too small, aborting\n");
13474 rc = -ENOMEM;
13475 goto init_one_exit;
13476 }
13477 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
13478 doorbell_size);
Merav Sicron37ae41a2012-06-19 07:48:27 +000013479 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000013480 if (!bp->doorbells) {
13481 dev_err(&bp->pdev->dev,
13482 "Cannot map doorbell space, aborting\n");
13483 rc = -ENOMEM;
13484 goto init_one_exit;
13485 }
13486
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013487 if (IS_VF(bp)) {
13488 rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
13489 if (rc)
13490 goto init_one_exit;
13491 }
13492
Ariel Elior3c76fef2013-03-11 05:17:46 +000013493 /* Enable SRIOV if capability found in configuration space */
13494 rc = bnx2x_iov_init_one(bp, int_mode, BNX2X_MAX_NUM_OF_VFS);
Ariel Elior290ca2b2013-01-01 05:22:31 +000013495 if (rc)
13496 goto init_one_exit;
13497
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013498 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000013499 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Ariel Elior1ab44342013-01-01 05:22:23 +000013500 BNX2X_DEV_INFO("qm_cid_count %d\n", bp->qm_cid_count);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013501
Merav Sicron55c11942012-11-07 00:45:48 +000013502 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000013503 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013504 bp->flags |= NO_FCOE_FLAG;
13505
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000013506 /* Set bp->num_queues for MSI-X mode*/
13507 bnx2x_set_num_queues(bp);
13508
Lucas De Marchi25985ed2011-03-30 22:57:33 -030013509 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000013510 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000013511 */
Ariel Elior1ab44342013-01-01 05:22:23 +000013512 rc = bnx2x_set_int_mode(bp);
13513 if (rc) {
13514 dev_err(&pdev->dev, "Cannot set interrupts\n");
13515 goto init_one_exit;
13516 }
Yuval Mintz04c46732013-01-23 03:21:46 +000013517 BNX2X_DEV_INFO("set interrupts successfully\n");
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000013518
Ariel Elior1ab44342013-01-01 05:22:23 +000013519 /* register the net device */
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080013520 rc = register_netdev(dev);
13521 if (rc) {
13522 dev_err(&pdev->dev, "Cannot register net device\n");
13523 goto init_one_exit;
13524 }
Ariel Elior1ab44342013-01-01 05:22:23 +000013525 BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080013526
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013527 if (!NO_FCOE(bp)) {
13528 /* Add storage MAC address */
13529 rtnl_lock();
13530 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
13531 rtnl_unlock();
13532 }
Yuval Mintzb91e1a12013-09-28 08:46:12 +030013533 if (pcie_get_minimum_link(bp->pdev, &pcie_speed, &pcie_width) ||
13534 pcie_speed == PCI_SPEED_UNKNOWN ||
13535 pcie_width == PCIE_LNK_WIDTH_UNKNOWN)
13536 BNX2X_DEV_INFO("Failed to determine PCI Express Bandwidth\n");
13537 else
13538 BNX2X_DEV_INFO(
13539 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Dmitry Kravkovca1ee4b2013-05-27 04:08:27 +000013540 board_info[ent->driver_data].name,
13541 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
13542 pcie_width,
Yuval Mintzb91e1a12013-09-28 08:46:12 +030013543 pcie_speed == PCIE_SPEED_2_5GT ? "2.5GHz" :
13544 pcie_speed == PCIE_SPEED_5_0GT ? "5.0GHz" :
13545 pcie_speed == PCIE_SPEED_8_0GT ? "8.0GHz" :
Dmitry Kravkovca1ee4b2013-05-27 04:08:27 +000013546 "Unknown",
13547 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000013548
Michal Kalderoneeed0182014-08-17 16:47:44 +030013549 bnx2x_register_phc(bp);
13550
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013551 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013552
13553init_one_exit:
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020013554 bnx2x_disable_pcie_error_reporting(bp);
13555
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013556 if (bp->regview)
13557 iounmap(bp->regview);
13558
Ariel Elior1ab44342013-01-01 05:22:23 +000013559 if (IS_PF(bp) && bp->doorbells)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013560 iounmap(bp->doorbells);
13561
13562 free_netdev(dev);
13563
13564 if (atomic_read(&pdev->enable_cnt) == 1)
13565 pci_release_regions(pdev);
13566
13567 pci_disable_device(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013568
13569 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013570}
13571
Yuval Mintzb030ed22013-05-27 04:08:30 +000013572static void __bnx2x_remove(struct pci_dev *pdev,
13573 struct net_device *dev,
13574 struct bnx2x *bp,
13575 bool remove_netdev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013576{
Michal Kalderoneeed0182014-08-17 16:47:44 +030013577 if (bp->ptp_clock) {
13578 ptp_clock_unregister(bp->ptp_clock);
13579 bp->ptp_clock = NULL;
13580 }
13581
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013582 /* Delete storage MAC address */
13583 if (!NO_FCOE(bp)) {
13584 rtnl_lock();
13585 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
13586 rtnl_unlock();
13587 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013588
Shmulik Ravid98507672011-02-28 12:19:55 -080013589#ifdef BCM_DCBNL
13590 /* Delete app tlvs from dcbnl */
13591 bnx2x_dcbnl_update_applist(bp, true);
13592#endif
13593
Barak Witkowskya6d3a5b2013-08-13 02:25:02 +030013594 if (IS_PF(bp) &&
13595 !BP_NOMCP(bp) &&
13596 (bp->flags & BC_SUPPORTS_RMMOD_CMD))
13597 bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0);
13598
Yuval Mintzb030ed22013-05-27 04:08:30 +000013599 /* Close the interface - either directly or implicitly */
13600 if (remove_netdev) {
13601 unregister_netdev(dev);
13602 } else {
13603 rtnl_lock();
Yuval Mintz6ef5a922013-08-13 02:25:03 +030013604 dev_close(dev);
Yuval Mintzb030ed22013-05-27 04:08:30 +000013605 rtnl_unlock();
13606 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013607
Ariel Elior78c3bcc2013-06-20 17:39:08 +030013608 bnx2x_iov_remove_one(bp);
13609
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000013610 /* Power on: we can't let PCI layer write to us while we are in D3 */
Manish Chopra04860eb2014-09-02 04:31:25 -040013611 if (IS_PF(bp)) {
Ariel Elior1ab44342013-01-01 05:22:23 +000013612 bnx2x_set_power_state(bp, PCI_D0);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000013613
Manish Chopra04860eb2014-09-02 04:31:25 -040013614 /* Set endianity registers to reset values in case next driver
13615 * boots in different endianty environment.
13616 */
13617 bnx2x_reset_endianity(bp);
13618 }
13619
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000013620 /* Disable MSI/MSI-X */
13621 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000013622
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000013623 /* Power off */
Ariel Elior1ab44342013-01-01 05:22:23 +000013624 if (IS_PF(bp))
13625 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000013626
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013627 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000013628 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Ariel Elior290ca2b2013-01-01 05:22:31 +000013629
Ariel Elior4513f922013-01-01 05:22:25 +000013630 /* send message via vfpf channel to release the resources of this vf */
13631 if (IS_VF(bp))
13632 bnx2x_vfpf_release(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013633
Yuval Mintzb030ed22013-05-27 04:08:30 +000013634 /* Assumes no further PCIe PM changes will occur */
13635 if (system_state == SYSTEM_POWER_OFF) {
13636 pci_wake_from_d3(pdev, bp->wol);
13637 pci_set_power_state(pdev, PCI_D3hot);
13638 }
13639
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020013640 bnx2x_disable_pcie_error_reporting(bp);
Yuval Mintzd9aee592014-01-15 12:05:30 +020013641 if (remove_netdev) {
13642 if (bp->regview)
13643 iounmap(bp->regview);
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020013644
Yuval Mintzd9aee592014-01-15 12:05:30 +020013645 /* For vfs, doorbells are part of the regview and were unmapped
13646 * along with it. FW is only loaded by PF.
13647 */
13648 if (IS_PF(bp)) {
13649 if (bp->doorbells)
13650 iounmap(bp->doorbells);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013651
Yuval Mintzd9aee592014-01-15 12:05:30 +020013652 bnx2x_release_firmware(bp);
Yuval Mintze2a367f2014-04-24 19:29:52 +030013653 } else {
13654 bnx2x_vf_pci_dealloc(bp);
Yuval Mintzd9aee592014-01-15 12:05:30 +020013655 }
13656 bnx2x_free_mem_bp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013657
Yuval Mintzb030ed22013-05-27 04:08:30 +000013658 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013659
Yuval Mintzd9aee592014-01-15 12:05:30 +020013660 if (atomic_read(&pdev->enable_cnt) == 1)
13661 pci_release_regions(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070013662
Yuval Mintz5f6db132014-01-27 17:11:58 +020013663 pci_disable_device(pdev);
13664 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013665}
13666
Yuval Mintzb030ed22013-05-27 04:08:30 +000013667static void bnx2x_remove_one(struct pci_dev *pdev)
13668{
13669 struct net_device *dev = pci_get_drvdata(pdev);
13670 struct bnx2x *bp;
13671
13672 if (!dev) {
13673 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
13674 return;
13675 }
13676 bp = netdev_priv(dev);
13677
13678 __bnx2x_remove(pdev, dev, bp, true);
13679}
13680
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013681static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
13682{
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013683 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013684
13685 bp->rx_mode = BNX2X_RX_MODE_NONE;
13686
Merav Sicron55c11942012-11-07 00:45:48 +000013687 if (CNIC_LOADED(bp))
13688 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
13689
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013690 /* Stop Tx */
13691 bnx2x_tx_disable(bp);
Merav Sicron26614ba2012-08-27 03:26:19 +000013692 /* Delete all NAPI objects */
13693 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000013694 if (CNIC_LOADED(bp))
13695 bnx2x_del_all_napi_cnic(bp);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013696 netdev_reset_tc(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013697
13698 del_timer_sync(&bp->timer);
wenxiong@linux.vnet.ibm.com0c0e6342014-06-03 14:14:45 -050013699 cancel_delayed_work_sync(&bp->sp_task);
13700 cancel_delayed_work_sync(&bp->period_task);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013701
Yuval Mintzc6e36d82015-06-01 15:08:18 +030013702 if (!down_timeout(&bp->stats_lock, HZ / 10)) {
13703 bp->stats_state = STATS_STATE_DISABLED;
13704 up(&bp->stats_lock);
13705 }
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013706
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013707 bnx2x_save_statistics(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013708
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013709 netif_carrier_off(bp->dev);
13710
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013711 return 0;
13712}
13713
Wendy Xiong493adb12008-06-23 20:36:22 -070013714/**
13715 * bnx2x_io_error_detected - called when PCI error is detected
13716 * @pdev: Pointer to PCI device
13717 * @state: The current pci connection state
13718 *
13719 * This function is called after a PCI bus error affecting
13720 * this device has been detected.
13721 */
13722static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
13723 pci_channel_state_t state)
13724{
13725 struct net_device *dev = pci_get_drvdata(pdev);
13726 struct bnx2x *bp = netdev_priv(dev);
13727
13728 rtnl_lock();
13729
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013730 BNX2X_ERR("IO error detected\n");
13731
Wendy Xiong493adb12008-06-23 20:36:22 -070013732 netif_device_detach(dev);
13733
Dean Nelson07ce50e42009-07-31 09:13:25 +000013734 if (state == pci_channel_io_perm_failure) {
13735 rtnl_unlock();
13736 return PCI_ERS_RESULT_DISCONNECT;
13737 }
13738
Wendy Xiong493adb12008-06-23 20:36:22 -070013739 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013740 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070013741
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013742 bnx2x_prev_path_mark_eeh(bp);
13743
Wendy Xiong493adb12008-06-23 20:36:22 -070013744 pci_disable_device(pdev);
13745
13746 rtnl_unlock();
13747
13748 /* Request a slot reset */
13749 return PCI_ERS_RESULT_NEED_RESET;
13750}
13751
13752/**
13753 * bnx2x_io_slot_reset - called after the PCI bus has been reset
13754 * @pdev: Pointer to PCI device
13755 *
13756 * Restart the card from scratch, as if from a cold-boot.
13757 */
13758static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
13759{
13760 struct net_device *dev = pci_get_drvdata(pdev);
13761 struct bnx2x *bp = netdev_priv(dev);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013762 int i;
Wendy Xiong493adb12008-06-23 20:36:22 -070013763
13764 rtnl_lock();
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013765 BNX2X_ERR("IO slot reset initializing...\n");
Wendy Xiong493adb12008-06-23 20:36:22 -070013766 if (pci_enable_device(pdev)) {
13767 dev_err(&pdev->dev,
13768 "Cannot re-enable PCI device after reset\n");
13769 rtnl_unlock();
13770 return PCI_ERS_RESULT_DISCONNECT;
13771 }
13772
13773 pci_set_master(pdev);
13774 pci_restore_state(pdev);
Yuval Mintz70632d02013-04-24 01:45:02 +000013775 pci_save_state(pdev);
Wendy Xiong493adb12008-06-23 20:36:22 -070013776
13777 if (netif_running(dev))
13778 bnx2x_set_power_state(bp, PCI_D0);
13779
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013780 if (netif_running(dev)) {
13781 BNX2X_ERR("IO slot reset --> driver unload\n");
Yuval Mintze68072e2013-05-22 21:21:51 +000013782
13783 /* MCP should have been reset; Need to wait for validity */
13784 bnx2x_init_shmem(bp);
13785
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013786 if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
13787 u32 v;
13788
13789 v = SHMEM2_RD(bp,
13790 drv_capabilities_flag[BP_FW_MB_IDX(bp)]);
13791 SHMEM2_WR(bp, drv_capabilities_flag[BP_FW_MB_IDX(bp)],
13792 v & ~DRV_FLAGS_CAPABILITIES_LOADED_L2);
13793 }
13794 bnx2x_drain_tx_queues(bp);
13795 bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
13796 bnx2x_netif_stop(bp, 1);
13797 bnx2x_free_irq(bp);
13798
13799 /* Report UNLOAD_DONE to MCP */
13800 bnx2x_send_unload_done(bp, true);
13801
13802 bp->sp_state = 0;
13803 bp->port.pmf = 0;
13804
13805 bnx2x_prev_unload(bp);
13806
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013807 /* We should have reseted the engine, so It's fair to
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013808 * assume the FW will no longer write to the bnx2x driver.
13809 */
13810 bnx2x_squeeze_objects(bp);
13811 bnx2x_free_skbs(bp);
13812 for_each_rx_queue(bp, i)
13813 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
13814 bnx2x_free_fp_mem(bp);
13815 bnx2x_free_mem(bp);
13816
13817 bp->state = BNX2X_STATE_CLOSED;
13818 }
13819
Wendy Xiong493adb12008-06-23 20:36:22 -070013820 rtnl_unlock();
13821
Yuval Mintz33d8e6a2013-12-26 09:57:08 +020013822 /* If AER, perform cleanup of the PCIe registers */
13823 if (bp->flags & AER_ENABLED) {
13824 if (pci_cleanup_aer_uncorrect_error_status(pdev))
13825 BNX2X_ERR("pci_cleanup_aer_uncorrect_error_status failed\n");
13826 else
13827 DP(NETIF_MSG_HW, "pci_cleanup_aer_uncorrect_error_status succeeded\n");
13828 }
13829
Wendy Xiong493adb12008-06-23 20:36:22 -070013830 return PCI_ERS_RESULT_RECOVERED;
13831}
13832
13833/**
13834 * bnx2x_io_resume - called when traffic can start flowing again
13835 * @pdev: Pointer to PCI device
13836 *
13837 * This callback is called when the error recovery driver tells us that
13838 * its OK to resume normal operation.
13839 */
13840static void bnx2x_io_resume(struct pci_dev *pdev)
13841{
13842 struct net_device *dev = pci_get_drvdata(pdev);
13843 struct bnx2x *bp = netdev_priv(dev);
13844
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013845 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000013846 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013847 return;
13848 }
13849
Wendy Xiong493adb12008-06-23 20:36:22 -070013850 rtnl_lock();
13851
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013852 bp->fw_seq = SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
13853 DRV_MSG_SEQ_NUMBER_MASK;
13854
Wendy Xiong493adb12008-06-23 20:36:22 -070013855 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013856 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070013857
13858 netif_device_attach(dev);
13859
13860 rtnl_unlock();
13861}
13862
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070013863static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070013864 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000013865 .slot_reset = bnx2x_io_slot_reset,
13866 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070013867};
13868
Yuval Mintzb030ed22013-05-27 04:08:30 +000013869static void bnx2x_shutdown(struct pci_dev *pdev)
13870{
13871 struct net_device *dev = pci_get_drvdata(pdev);
13872 struct bnx2x *bp;
13873
13874 if (!dev)
13875 return;
13876
13877 bp = netdev_priv(dev);
13878 if (!bp)
13879 return;
13880
13881 rtnl_lock();
13882 netif_device_detach(dev);
13883 rtnl_unlock();
13884
13885 /* Don't remove the netdevice, as there are scenarios which will cause
13886 * the kernel to hang, e.g., when trying to remove bnx2i while the
13887 * rootfs is mounted from SAN.
13888 */
13889 __bnx2x_remove(pdev, dev, bp, false);
13890}
13891
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013892static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070013893 .name = DRV_MODULE_NAME,
13894 .id_table = bnx2x_pci_tbl,
13895 .probe = bnx2x_init_one,
Bill Pemberton0329aba2012-12-03 09:24:24 -050013896 .remove = bnx2x_remove_one,
Wendy Xiong493adb12008-06-23 20:36:22 -070013897 .suspend = bnx2x_suspend,
13898 .resume = bnx2x_resume,
13899 .err_handler = &bnx2x_err_handler,
Ariel Elior3c76fef2013-03-11 05:17:46 +000013900#ifdef CONFIG_BNX2X_SRIOV
13901 .sriov_configure = bnx2x_sriov_configure,
13902#endif
Yuval Mintzb030ed22013-05-27 04:08:30 +000013903 .shutdown = bnx2x_shutdown,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013904};
13905
13906static int __init bnx2x_init(void)
13907{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013908 int ret;
13909
Joe Perches7995c642010-02-17 15:01:52 +000013910 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000013911
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013912 bnx2x_wq = create_singlethread_workqueue("bnx2x");
13913 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000013914 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013915 return -ENOMEM;
13916 }
Yuval Mintz370d4a22014-03-23 18:12:24 +020013917 bnx2x_iov_wq = create_singlethread_workqueue("bnx2x_iov");
13918 if (!bnx2x_iov_wq) {
13919 pr_err("Cannot create iov workqueue\n");
13920 destroy_workqueue(bnx2x_wq);
13921 return -ENOMEM;
13922 }
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013923
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013924 ret = pci_register_driver(&bnx2x_pci_driver);
13925 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000013926 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013927 destroy_workqueue(bnx2x_wq);
Yuval Mintz370d4a22014-03-23 18:12:24 +020013928 destroy_workqueue(bnx2x_iov_wq);
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013929 }
13930 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013931}
13932
13933static void __exit bnx2x_cleanup(void)
13934{
Yuval Mintz452427b2012-03-26 20:47:07 +000013935 struct list_head *pos, *q;
Yuval Mintzd76a6112013-06-02 00:06:17 +000013936
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013937 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013938
13939 destroy_workqueue(bnx2x_wq);
Yuval Mintz370d4a22014-03-23 18:12:24 +020013940 destroy_workqueue(bnx2x_iov_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000013941
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013942 /* Free globally allocated resources */
Yuval Mintz452427b2012-03-26 20:47:07 +000013943 list_for_each_safe(pos, q, &bnx2x_prev_list) {
13944 struct bnx2x_prev_path_list *tmp =
13945 list_entry(pos, struct bnx2x_prev_path_list, list);
13946 list_del(pos);
13947 kfree(tmp);
13948 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013949}
13950
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013951void bnx2x_notify_link_changed(struct bnx2x *bp)
13952{
13953 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
13954}
13955
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013956module_init(bnx2x_init);
13957module_exit(bnx2x_cleanup);
13958
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013959/**
13960 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
13961 *
13962 * @bp: driver handle
13963 * @set: set or clear the CAM entry
13964 *
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013965 * This function will wait until the ramrod completion returns.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013966 * Return 0 if success, -ENODEV if ramrod doesn't return.
13967 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000013968static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013969{
13970 unsigned long ramrod_flags = 0;
13971
13972 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
13973 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
13974 &bp->iscsi_l2_mac_obj, true,
13975 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
13976}
Michael Chan993ac7b2009-10-10 13:46:56 +000013977
13978/* count denotes the number of new completions we have seen */
13979static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
13980{
13981 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000013982 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000013983
13984#ifdef BNX2X_STOP_ON_ERROR
13985 if (unlikely(bp->panic))
13986 return;
13987#endif
13988
13989 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013990 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000013991 bp->cnic_spq_pending -= count;
13992
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013993 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
13994 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
13995 & SPE_HDR_CONN_TYPE) >>
13996 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013997 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
13998 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013999
14000 /* Set validation for iSCSI L2 client before sending SETUP
14001 * ramrod
14002 */
14003 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000014004 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000014005 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000014006 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000014007 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000014008 (cxt_index * ILT_PAGE_CIDS);
14009 bnx2x_set_ctx_validation(bp,
14010 &bp->context[cxt_index].
14011 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000014012 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000014013 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014014 }
14015
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014016 /*
14017 * There may be not more than 8 L2, not more than 8 L5 SPEs
14018 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080014019 * COMMON ramrods is not more than the EQ and SPQ can
14020 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014021 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080014022 if (type == ETH_CONNECTION_TYPE) {
14023 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014024 break;
14025 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080014026 atomic_dec(&bp->cq_spq_left);
14027 } else if (type == NONE_CONNECTION_TYPE) {
14028 if (!atomic_read(&bp->eq_spq_left))
14029 break;
14030 else
14031 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000014032 } else if ((type == ISCSI_CONNECTION_TYPE) ||
14033 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014034 if (bp->cnic_spq_pending >=
14035 bp->cnic_eth_dev.max_kwqe_pending)
14036 break;
14037 else
14038 bp->cnic_spq_pending++;
14039 } else {
14040 BNX2X_ERR("Unknown SPE type: %d\n", type);
14041 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000014042 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014043 }
Michael Chan993ac7b2009-10-10 13:46:56 +000014044
14045 spe = bnx2x_sp_get_next(bp);
14046 *spe = *bp->cnic_kwq_cons;
14047
Merav Sicron51c1a582012-03-18 10:33:38 +000014048 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000014049 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
14050
14051 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
14052 bp->cnic_kwq_cons = bp->cnic_kwq;
14053 else
14054 bp->cnic_kwq_cons++;
14055 }
14056 bnx2x_sp_prod_update(bp);
14057 spin_unlock_bh(&bp->spq_lock);
14058}
14059
14060static int bnx2x_cnic_sp_queue(struct net_device *dev,
14061 struct kwqe_16 *kwqes[], u32 count)
14062{
14063 struct bnx2x *bp = netdev_priv(dev);
14064 int i;
14065
14066#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000014067 if (unlikely(bp->panic)) {
14068 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000014069 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000014070 }
Michael Chan993ac7b2009-10-10 13:46:56 +000014071#endif
14072
Ariel Elior95c6c6162012-01-26 06:01:52 +000014073 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
14074 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000014075 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000014076 return -EAGAIN;
14077 }
14078
Michael Chan993ac7b2009-10-10 13:46:56 +000014079 spin_lock_bh(&bp->spq_lock);
14080
14081 for (i = 0; i < count; i++) {
14082 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
14083
14084 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
14085 break;
14086
14087 *bp->cnic_kwq_prod = *spe;
14088
14089 bp->cnic_kwq_pending++;
14090
Merav Sicron51c1a582012-03-18 10:33:38 +000014091 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000014092 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014093 spe->data.update_data_addr.hi,
14094 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000014095 bp->cnic_kwq_pending);
14096
14097 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
14098 bp->cnic_kwq_prod = bp->cnic_kwq;
14099 else
14100 bp->cnic_kwq_prod++;
14101 }
14102
14103 spin_unlock_bh(&bp->spq_lock);
14104
14105 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
14106 bnx2x_cnic_sp_post(bp, 0);
14107
14108 return i;
14109}
14110
14111static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
14112{
14113 struct cnic_ops *c_ops;
14114 int rc = 0;
14115
14116 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000014117 c_ops = rcu_dereference_protected(bp->cnic_ops,
14118 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000014119 if (c_ops)
14120 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
14121 mutex_unlock(&bp->cnic_mutex);
14122
14123 return rc;
14124}
14125
14126static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
14127{
14128 struct cnic_ops *c_ops;
14129 int rc = 0;
14130
14131 rcu_read_lock();
14132 c_ops = rcu_dereference(bp->cnic_ops);
14133 if (c_ops)
14134 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
14135 rcu_read_unlock();
14136
14137 return rc;
14138}
14139
14140/*
14141 * for commands that have no data
14142 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000014143int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000014144{
14145 struct cnic_ctl_info ctl = {0};
14146
14147 ctl.cmd = cmd;
14148
14149 return bnx2x_cnic_ctl_send(bp, &ctl);
14150}
14151
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014152static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000014153{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014154 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000014155
14156 /* first we tell CNIC and only then we count this as a completion */
14157 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
14158 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014159 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000014160
14161 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014162 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000014163}
14164
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014165/* Called with netif_addr_lock_bh() taken.
14166 * Sets an rx_mode config for an iSCSI ETH client.
14167 * Doesn't block.
14168 * Completion should be checked outside.
14169 */
14170static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
14171{
14172 unsigned long accept_flags = 0, ramrod_flags = 0;
14173 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
14174 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
14175
14176 if (start) {
14177 /* Start accepting on iSCSI L2 ring. Accept all multicasts
14178 * because it's the only way for UIO Queue to accept
14179 * multicasts (in non-promiscuous mode only one Queue per
14180 * function will receive multicast packets (leading in our
14181 * case).
14182 */
14183 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
14184 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
14185 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
14186 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
14187
14188 /* Clear STOP_PENDING bit if START is requested */
14189 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
14190
14191 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
14192 } else
14193 /* Clear START_PENDING bit if STOP is requested */
14194 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
14195
14196 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
14197 set_bit(sched_state, &bp->sp_state);
14198 else {
14199 __set_bit(RAMROD_RX, &ramrod_flags);
14200 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
14201 ramrod_flags);
14202 }
14203}
14204
Michael Chan993ac7b2009-10-10 13:46:56 +000014205static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
14206{
14207 struct bnx2x *bp = netdev_priv(dev);
14208 int rc = 0;
14209
14210 switch (ctl->cmd) {
14211 case DRV_CTL_CTXTBL_WR_CMD: {
14212 u32 index = ctl->data.io.offset;
14213 dma_addr_t addr = ctl->data.io.dma_addr;
14214
14215 bnx2x_ilt_wr(bp, index, addr);
14216 break;
14217 }
14218
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014219 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
14220 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000014221
14222 bnx2x_cnic_sp_post(bp, count);
14223 break;
14224 }
14225
14226 /* rtnl_lock is held. */
14227 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014228 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14229 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000014230
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014231 /* Configure the iSCSI classification object */
14232 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
14233 cp->iscsi_l2_client_id,
14234 cp->iscsi_l2_cid, BP_FUNC(bp),
14235 bnx2x_sp(bp, mac_rdata),
14236 bnx2x_sp_mapping(bp, mac_rdata),
14237 BNX2X_FILTER_MAC_PENDING,
14238 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
14239 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000014240
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014241 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014242 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
14243 if (rc)
14244 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014245
14246 mmiowb();
14247 barrier();
14248
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014249 /* Start accepting on iSCSI L2 ring */
14250
14251 netif_addr_lock_bh(dev);
14252 bnx2x_set_iscsi_eth_rx_mode(bp, true);
14253 netif_addr_unlock_bh(dev);
14254
14255 /* bits to wait on */
14256 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
14257 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
14258
14259 if (!bnx2x_wait_sp_comp(bp, sp_bits))
14260 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014261
Michael Chan993ac7b2009-10-10 13:46:56 +000014262 break;
14263 }
14264
14265 /* rtnl_lock is held. */
14266 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014267 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000014268
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014269 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014270 netif_addr_lock_bh(dev);
14271 bnx2x_set_iscsi_eth_rx_mode(bp, false);
14272 netif_addr_unlock_bh(dev);
14273
14274 /* bits to wait on */
14275 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
14276 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
14277
14278 if (!bnx2x_wait_sp_comp(bp, sp_bits))
14279 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014280
14281 mmiowb();
14282 barrier();
14283
14284 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014285 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
14286 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000014287 break;
14288 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014289 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
14290 int count = ctl->data.credit.credit_count;
14291
Peter Zijlstra4e857c52014-03-17 18:06:10 +010014292 smp_mb__before_atomic();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080014293 atomic_add(count, &bp->cq_spq_left);
Peter Zijlstra4e857c52014-03-17 18:06:10 +010014294 smp_mb__after_atomic();
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014295 break;
14296 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000014297 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000014298 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000014299
14300 if (CHIP_IS_E3(bp)) {
14301 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000014302 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
14303 int path = BP_PATH(bp);
14304 int port = BP_PORT(bp);
14305 int i;
14306 u32 scratch_offset;
14307 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000014308
Barak Witkowski2e499d32012-06-26 01:31:19 +000014309 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000014310 if (ulp_type == CNIC_ULP_ISCSI)
14311 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
14312 else if (ulp_type == CNIC_ULP_FCOE)
14313 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
14314 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000014315
14316 if ((ulp_type != CNIC_ULP_FCOE) ||
14317 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
14318 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
14319 break;
14320
14321 /* if reached here - should write fcoe capabilities */
14322 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
14323 if (!scratch_offset)
14324 break;
14325 scratch_offset += offsetof(struct glob_ncsi_oem_data,
14326 fcoe_features[path][port]);
14327 host_addr = (u32 *) &(ctl->data.register_data.
14328 fcoe_features);
14329 for (i = 0; i < sizeof(struct fcoe_capabilities);
14330 i += 4)
14331 REG_WR(bp, scratch_offset + i,
14332 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000014333 }
Yuval Mintz42f82772014-03-23 18:12:23 +020014334 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
Barak Witkowski1d187b32011-12-05 22:41:50 +000014335 break;
14336 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000014337
Barak Witkowski1d187b32011-12-05 22:41:50 +000014338 case DRV_CTL_ULP_UNREGISTER_CMD: {
14339 int ulp_type = ctl->data.ulp_type;
14340
14341 if (CHIP_IS_E3(bp)) {
14342 int idx = BP_FW_MB_IDX(bp);
14343 u32 cap;
14344
14345 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
14346 if (ulp_type == CNIC_ULP_ISCSI)
14347 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
14348 else if (ulp_type == CNIC_ULP_FCOE)
14349 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
14350 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
14351 }
Yuval Mintz42f82772014-03-23 18:12:23 +020014352 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
Barak Witkowski1d187b32011-12-05 22:41:50 +000014353 break;
14354 }
Michael Chan993ac7b2009-10-10 13:46:56 +000014355
14356 default:
14357 BNX2X_ERR("unknown command %x\n", ctl->cmd);
14358 rc = -EINVAL;
14359 }
14360
14361 return rc;
14362}
14363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000014364void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000014365{
14366 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14367
14368 if (bp->flags & USING_MSIX_FLAG) {
14369 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
14370 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
14371 cp->irq_arr[0].vector = bp->msix_table[1].vector;
14372 } else {
14373 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
14374 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
14375 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014376 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000014377 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
14378 else
14379 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
14380
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014381 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
14382 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000014383 cp->irq_arr[1].status_blk = bp->def_status_blk;
14384 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014385 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000014386
14387 cp->num_irq = 2;
14388}
14389
Merav Sicron37ae41a2012-06-19 07:48:27 +000014390void bnx2x_setup_cnic_info(struct bnx2x *bp)
14391{
14392 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14393
Merav Sicron37ae41a2012-06-19 07:48:27 +000014394 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
14395 bnx2x_cid_ilt_lines(bp);
14396 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
14397 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
14398 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
14399
Michael Chanf78afb32013-09-18 01:50:38 -070014400 DP(NETIF_MSG_IFUP, "BNX2X_1st_NON_L2_ETH_CID(bp) %x, cp->starting_cid %x, cp->fcoe_init_cid %x, cp->iscsi_l2_cid %x\n",
14401 BNX2X_1st_NON_L2_ETH_CID(bp), cp->starting_cid, cp->fcoe_init_cid,
14402 cp->iscsi_l2_cid);
14403
Merav Sicron37ae41a2012-06-19 07:48:27 +000014404 if (NO_ISCSI_OOO(bp))
14405 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
14406}
14407
Michael Chan993ac7b2009-10-10 13:46:56 +000014408static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
14409 void *data)
14410{
14411 struct bnx2x *bp = netdev_priv(dev);
14412 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000014413 int rc;
14414
14415 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000014416
Merav Sicron51c1a582012-03-18 10:33:38 +000014417 if (ops == NULL) {
14418 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000014419 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000014420 }
Michael Chan993ac7b2009-10-10 13:46:56 +000014421
Merav Sicron55c11942012-11-07 00:45:48 +000014422 if (!CNIC_SUPPORT(bp)) {
14423 BNX2X_ERR("Can't register CNIC when not supported\n");
14424 return -EOPNOTSUPP;
14425 }
14426
14427 if (!CNIC_LOADED(bp)) {
14428 rc = bnx2x_load_cnic(bp);
14429 if (rc) {
14430 BNX2X_ERR("CNIC-related load failed\n");
14431 return rc;
14432 }
Merav Sicron55c11942012-11-07 00:45:48 +000014433 }
14434
14435 bp->cnic_enabled = true;
14436
Michael Chan993ac7b2009-10-10 13:46:56 +000014437 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
14438 if (!bp->cnic_kwq)
14439 return -ENOMEM;
14440
14441 bp->cnic_kwq_cons = bp->cnic_kwq;
14442 bp->cnic_kwq_prod = bp->cnic_kwq;
14443 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
14444
14445 bp->cnic_spq_pending = 0;
14446 bp->cnic_kwq_pending = 0;
14447
14448 bp->cnic_data = data;
14449
14450 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014451 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014452 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000014453
Michael Chan993ac7b2009-10-10 13:46:56 +000014454 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014455
Michael Chan993ac7b2009-10-10 13:46:56 +000014456 rcu_assign_pointer(bp->cnic_ops, ops);
14457
Yuval Mintz42f82772014-03-23 18:12:23 +020014458 /* Schedule driver to read CNIC driver versions */
14459 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
14460
Michael Chan993ac7b2009-10-10 13:46:56 +000014461 return 0;
14462}
14463
14464static int bnx2x_unregister_cnic(struct net_device *dev)
14465{
14466 struct bnx2x *bp = netdev_priv(dev);
14467 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14468
14469 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000014470 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000014471 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000014472 mutex_unlock(&bp->cnic_mutex);
14473 synchronize_rcu();
Yuval Mintzfea75642013-04-10 13:34:39 +030014474 bp->cnic_enabled = false;
Michael Chan993ac7b2009-10-10 13:46:56 +000014475 kfree(bp->cnic_kwq);
14476 bp->cnic_kwq = NULL;
14477
14478 return 0;
14479}
14480
stephen hemmingera8f47eb2014-01-09 22:20:11 -080014481static struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
Michael Chan993ac7b2009-10-10 13:46:56 +000014482{
14483 struct bnx2x *bp = netdev_priv(dev);
14484 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14485
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000014486 /* If both iSCSI and FCoE are disabled - return NULL in
14487 * order to indicate CNIC that it should not try to work
14488 * with this device.
14489 */
14490 if (NO_ISCSI(bp) && NO_FCOE(bp))
14491 return NULL;
14492
Michael Chan993ac7b2009-10-10 13:46:56 +000014493 cp->drv_owner = THIS_MODULE;
14494 cp->chip_id = CHIP_ID(bp);
14495 cp->pdev = bp->pdev;
14496 cp->io_base = bp->regview;
14497 cp->io_base2 = bp->doorbells;
14498 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000014499 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014500 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
14501 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000014502 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014503 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000014504 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
14505 cp->drv_ctl = bnx2x_drv_ctl;
14506 cp->drv_register_cnic = bnx2x_register_cnic;
14507 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000014508 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030014509 cp->iscsi_l2_client_id =
14510 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000014511 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000014512
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000014513 if (NO_ISCSI_OOO(bp))
14514 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
14515
14516 if (NO_ISCSI(bp))
14517 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
14518
14519 if (NO_FCOE(bp))
14520 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
14521
Merav Sicron51c1a582012-03-18 10:33:38 +000014522 BNX2X_DEV_INFO(
14523 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000014524 cp->ctx_blk_size,
14525 cp->ctx_tbl_offset,
14526 cp->ctx_tbl_len,
14527 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000014528 return cp;
14529}
Michael Chan993ac7b2009-10-10 13:46:56 +000014530
stephen hemmingera8f47eb2014-01-09 22:20:11 -080014531static u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014532{
Ariel Elior64112802013-01-07 00:50:23 +000014533 struct bnx2x *bp = fp->bp;
14534 u32 offset = BAR_USTRORM_INTMEM;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070014535
Ariel Elior64112802013-01-07 00:50:23 +000014536 if (IS_VF(bp))
14537 return bnx2x_vf_ustorm_prods_offset(bp, fp);
14538 else if (!CHIP_IS_E1x(bp))
14539 offset += USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
14540 else
14541 offset += USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014542
Ariel Elior64112802013-01-07 00:50:23 +000014543 return offset;
14544}
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014545
Ariel Elior64112802013-01-07 00:50:23 +000014546/* called only on E1H or E2.
14547 * When pretending to be PF, the pretend value is the function number 0...7
14548 * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID
14549 * combination
14550 */
14551int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val)
14552{
14553 u32 pretend_reg;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014554
Ariel Elior23826852013-01-09 07:04:35 +000014555 if (CHIP_IS_E1H(bp) && pretend_func_val >= E1H_FUNC_MAX)
Ariel Elior64112802013-01-07 00:50:23 +000014556 return -1;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014557
Ariel Elior64112802013-01-07 00:50:23 +000014558 /* get my own pretend register */
14559 pretend_reg = bnx2x_get_pretend_reg(bp);
14560 REG_WR(bp, pretend_reg, pretend_func_val);
14561 REG_RD(bp, pretend_reg);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000014562 return 0;
14563}
Michal Kalderoneeed0182014-08-17 16:47:44 +030014564
14565static void bnx2x_ptp_task(struct work_struct *work)
14566{
14567 struct bnx2x *bp = container_of(work, struct bnx2x, ptp_task);
14568 int port = BP_PORT(bp);
14569 u32 val_seq;
14570 u64 timestamp, ns;
14571 struct skb_shared_hwtstamps shhwtstamps;
14572
14573 /* Read Tx timestamp registers */
14574 val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
14575 NIG_REG_P0_TLLH_PTP_BUF_SEQID);
14576 if (val_seq & 0x10000) {
14577 /* There is a valid timestamp value */
14578 timestamp = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_MSB :
14579 NIG_REG_P0_TLLH_PTP_BUF_TS_MSB);
14580 timestamp <<= 32;
14581 timestamp |= REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_LSB :
14582 NIG_REG_P0_TLLH_PTP_BUF_TS_LSB);
14583 /* Reset timestamp register to allow new timestamp */
14584 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
14585 NIG_REG_P0_TLLH_PTP_BUF_SEQID, 0x10000);
14586 ns = timecounter_cyc2time(&bp->timecounter, timestamp);
14587
14588 memset(&shhwtstamps, 0, sizeof(shhwtstamps));
14589 shhwtstamps.hwtstamp = ns_to_ktime(ns);
14590 skb_tstamp_tx(bp->ptp_tx_skb, &shhwtstamps);
14591 dev_kfree_skb_any(bp->ptp_tx_skb);
14592 bp->ptp_tx_skb = NULL;
14593
14594 DP(BNX2X_MSG_PTP, "Tx timestamp, timestamp cycles = %llu, ns = %llu\n",
14595 timestamp, ns);
14596 } else {
14597 DP(BNX2X_MSG_PTP, "There is no valid Tx timestamp yet\n");
14598 /* Reschedule to keep checking for a valid timestamp value */
14599 schedule_work(&bp->ptp_task);
14600 }
14601}
14602
14603void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb)
14604{
14605 int port = BP_PORT(bp);
14606 u64 timestamp, ns;
14607
14608 timestamp = REG_RD(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_TS_MSB :
14609 NIG_REG_P0_LLH_PTP_HOST_BUF_TS_MSB);
14610 timestamp <<= 32;
14611 timestamp |= REG_RD(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_TS_LSB :
14612 NIG_REG_P0_LLH_PTP_HOST_BUF_TS_LSB);
14613
14614 /* Reset timestamp register to allow new timestamp */
14615 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_SEQID :
14616 NIG_REG_P0_LLH_PTP_HOST_BUF_SEQID, 0x10000);
14617
14618 ns = timecounter_cyc2time(&bp->timecounter, timestamp);
14619
14620 skb_hwtstamps(skb)->hwtstamp = ns_to_ktime(ns);
14621
14622 DP(BNX2X_MSG_PTP, "Rx timestamp, timestamp cycles = %llu, ns = %llu\n",
14623 timestamp, ns);
14624}
14625
14626/* Read the PHC */
14627static cycle_t bnx2x_cyclecounter_read(const struct cyclecounter *cc)
14628{
14629 struct bnx2x *bp = container_of(cc, struct bnx2x, cyclecounter);
14630 int port = BP_PORT(bp);
14631 u32 wb_data[2];
14632 u64 phc_cycles;
14633
14634 REG_RD_DMAE(bp, port ? NIG_REG_TIMESYNC_GEN_REG + tsgen_synctime_t1 :
14635 NIG_REG_TIMESYNC_GEN_REG + tsgen_synctime_t0, wb_data, 2);
14636 phc_cycles = wb_data[1];
14637 phc_cycles = (phc_cycles << 32) + wb_data[0];
14638
14639 DP(BNX2X_MSG_PTP, "PHC read cycles = %llu\n", phc_cycles);
14640
14641 return phc_cycles;
14642}
14643
14644static void bnx2x_init_cyclecounter(struct bnx2x *bp)
14645{
14646 memset(&bp->cyclecounter, 0, sizeof(bp->cyclecounter));
14647 bp->cyclecounter.read = bnx2x_cyclecounter_read;
Richard Cochranf28ba402015-01-02 20:22:04 +010014648 bp->cyclecounter.mask = CYCLECOUNTER_MASK(64);
Michal Kalderoneeed0182014-08-17 16:47:44 +030014649 bp->cyclecounter.shift = 1;
14650 bp->cyclecounter.mult = 1;
14651}
14652
14653static int bnx2x_send_reset_timesync_ramrod(struct bnx2x *bp)
14654{
14655 struct bnx2x_func_state_params func_params = {NULL};
14656 struct bnx2x_func_set_timesync_params *set_timesync_params =
14657 &func_params.params.set_timesync;
14658
14659 /* Prepare parameters for function state transitions */
14660 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
14661 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
14662
14663 func_params.f_obj = &bp->func_obj;
14664 func_params.cmd = BNX2X_F_CMD_SET_TIMESYNC;
14665
14666 /* Function parameters */
14667 set_timesync_params->drift_adjust_cmd = TS_DRIFT_ADJUST_RESET;
14668 set_timesync_params->offset_cmd = TS_OFFSET_KEEP;
14669
14670 return bnx2x_func_state_change(bp, &func_params);
14671}
14672
Lad, Prabhakar1444c302015-02-05 15:47:17 +000014673static int bnx2x_enable_ptp_packets(struct bnx2x *bp)
Michal Kalderoneeed0182014-08-17 16:47:44 +030014674{
14675 struct bnx2x_queue_state_params q_params;
14676 int rc, i;
14677
14678 /* send queue update ramrod to enable PTP packets */
14679 memset(&q_params, 0, sizeof(q_params));
14680 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
14681 q_params.cmd = BNX2X_Q_CMD_UPDATE;
14682 __set_bit(BNX2X_Q_UPDATE_PTP_PKTS_CHNG,
14683 &q_params.params.update.update_flags);
14684 __set_bit(BNX2X_Q_UPDATE_PTP_PKTS,
14685 &q_params.params.update.update_flags);
14686
14687 /* send the ramrod on all the queues of the PF */
14688 for_each_eth_queue(bp, i) {
14689 struct bnx2x_fastpath *fp = &bp->fp[i];
14690
14691 /* Set the appropriate Queue object */
14692 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
14693
14694 /* Update the Queue state */
14695 rc = bnx2x_queue_state_change(bp, &q_params);
14696 if (rc) {
14697 BNX2X_ERR("Failed to enable PTP packets\n");
14698 return rc;
14699 }
14700 }
14701
14702 return 0;
14703}
14704
14705int bnx2x_configure_ptp_filters(struct bnx2x *bp)
14706{
14707 int port = BP_PORT(bp);
14708 int rc;
14709
14710 if (!bp->hwtstamp_ioctl_called)
14711 return 0;
14712
14713 switch (bp->tx_type) {
14714 case HWTSTAMP_TX_ON:
14715 bp->flags |= TX_TIMESTAMPING_EN;
14716 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
14717 NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x6AA);
14718 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
14719 NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3EEE);
14720 break;
14721 case HWTSTAMP_TX_ONESTEP_SYNC:
14722 BNX2X_ERR("One-step timestamping is not supported\n");
14723 return -ERANGE;
14724 }
14725
14726 switch (bp->rx_filter) {
14727 case HWTSTAMP_FILTER_NONE:
14728 break;
14729 case HWTSTAMP_FILTER_ALL:
14730 case HWTSTAMP_FILTER_SOME:
14731 bp->rx_filter = HWTSTAMP_FILTER_NONE;
14732 break;
14733 case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
14734 case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
14735 case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
14736 bp->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
14737 /* Initialize PTP detection for UDP/IPv4 events */
14738 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
14739 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7EE);
14740 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
14741 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFE);
14742 break;
14743 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
14744 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
14745 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
14746 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
14747 /* Initialize PTP detection for UDP/IPv4 or UDP/IPv6 events */
14748 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
14749 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7EA);
14750 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
14751 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FEE);
14752 break;
14753 case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
14754 case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
14755 case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
14756 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
14757 /* Initialize PTP detection L2 events */
14758 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
14759 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x6BF);
14760 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
14761 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3EFF);
14762
14763 break;
14764 case HWTSTAMP_FILTER_PTP_V2_EVENT:
14765 case HWTSTAMP_FILTER_PTP_V2_SYNC:
14766 case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
14767 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
14768 /* Initialize PTP detection L2, UDP/IPv4 or UDP/IPv6 events */
14769 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
14770 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x6AA);
14771 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
14772 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3EEE);
14773 break;
14774 }
14775
14776 /* Indicate to FW that this PF expects recorded PTP packets */
14777 rc = bnx2x_enable_ptp_packets(bp);
14778 if (rc)
14779 return rc;
14780
14781 /* Enable sending PTP packets to host */
14782 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
14783 NIG_REG_P0_LLH_PTP_TO_HOST, 0x1);
14784
14785 return 0;
14786}
14787
14788static int bnx2x_hwtstamp_ioctl(struct bnx2x *bp, struct ifreq *ifr)
14789{
14790 struct hwtstamp_config config;
14791 int rc;
14792
14793 DP(BNX2X_MSG_PTP, "HWTSTAMP IOCTL called\n");
14794
14795 if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
14796 return -EFAULT;
14797
14798 DP(BNX2X_MSG_PTP, "Requested tx_type: %d, requested rx_filters = %d\n",
14799 config.tx_type, config.rx_filter);
14800
14801 if (config.flags) {
14802 BNX2X_ERR("config.flags is reserved for future use\n");
14803 return -EINVAL;
14804 }
14805
14806 bp->hwtstamp_ioctl_called = 1;
14807 bp->tx_type = config.tx_type;
14808 bp->rx_filter = config.rx_filter;
14809
14810 rc = bnx2x_configure_ptp_filters(bp);
14811 if (rc)
14812 return rc;
14813
14814 config.rx_filter = bp->rx_filter;
14815
14816 return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
14817 -EFAULT : 0;
14818}
14819
Jiri Bencbf27c352014-12-18 09:04:35 +010014820/* Configures HW for PTP */
Michal Kalderoneeed0182014-08-17 16:47:44 +030014821static int bnx2x_configure_ptp(struct bnx2x *bp)
14822{
14823 int rc, port = BP_PORT(bp);
14824 u32 wb_data[2];
14825
14826 /* Reset PTP event detection rules - will be configured in the IOCTL */
14827 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
14828 NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7FF);
14829 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
14830 NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFF);
14831 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
14832 NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x7FF);
14833 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
14834 NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3FFF);
14835
14836 /* Disable PTP packets to host - will be configured in the IOCTL*/
14837 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
14838 NIG_REG_P0_LLH_PTP_TO_HOST, 0x0);
14839
14840 /* Enable the PTP feature */
14841 REG_WR(bp, port ? NIG_REG_P1_PTP_EN :
14842 NIG_REG_P0_PTP_EN, 0x3F);
14843
14844 /* Enable the free-running counter */
14845 wb_data[0] = 0;
14846 wb_data[1] = 0;
14847 REG_WR_DMAE(bp, NIG_REG_TIMESYNC_GEN_REG + tsgen_ctrl, wb_data, 2);
14848
14849 /* Reset drift register (offset register is not reset) */
14850 rc = bnx2x_send_reset_timesync_ramrod(bp);
14851 if (rc) {
14852 BNX2X_ERR("Failed to reset PHC drift register\n");
14853 return -EFAULT;
14854 }
14855
14856 /* Reset possibly old timestamps */
14857 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_SEQID :
14858 NIG_REG_P0_LLH_PTP_HOST_BUF_SEQID, 0x10000);
14859 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
14860 NIG_REG_P0_TLLH_PTP_BUF_SEQID, 0x10000);
14861
14862 return 0;
14863}
14864
14865/* Called during load, to initialize PTP-related stuff */
14866void bnx2x_init_ptp(struct bnx2x *bp)
14867{
14868 int rc;
14869
14870 /* Configure PTP in HW */
14871 rc = bnx2x_configure_ptp(bp);
14872 if (rc) {
14873 BNX2X_ERR("Stopping PTP initialization\n");
14874 return;
14875 }
14876
14877 /* Init work queue for Tx timestamping */
14878 INIT_WORK(&bp->ptp_task, bnx2x_ptp_task);
14879
14880 /* Init cyclecounter and timecounter. This is done only in the first
14881 * load. If done in every load, PTP application will fail when doing
14882 * unload / load (e.g. MTU change) while it is running.
14883 */
14884 if (!bp->timecounter_init_done) {
14885 bnx2x_init_cyclecounter(bp);
14886 timecounter_init(&bp->timecounter, &bp->cyclecounter,
14887 ktime_to_ns(ktime_get_real()));
14888 bp->timecounter_init_done = 1;
14889 }
14890
14891 DP(BNX2X_MSG_PTP, "PTP initialization ended successfully\n");
14892}