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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 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * 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>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080042#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030044#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000054#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Ariel Elior1ab44342013-01-01 05:22:23 +000062#include "bnx2x_vfpf.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000063#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000064#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020065
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070066#include <linux/firmware.h>
67#include "bnx2x_fw_file_hdr.h"
68/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000069#define FW_FILE_VERSION \
70 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
71 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
72 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
73 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000074#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
75#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000076#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070077
Eilon Greenstein34f80b02008-06-23 20:33:01 -070078/* Time in jiffies before concluding the transmitter is hung */
79#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020080
Bill Pemberton0329aba2012-12-03 09:24:24 -050081static char version[] =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030082 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
84
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070085MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030087 "BCM57710/57711/57711E/"
88 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
89 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020090MODULE_LICENSE("GPL");
91MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000092MODULE_FIRMWARE(FW_FILE_NAME_E1);
93MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000094MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020095
Eilon Greensteinca003922009-08-12 22:53:28 -070096
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000097int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000098module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +000099MODULE_PARM_DESC(num_queues,
100 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000101
Eilon Greenstein19680c42008-08-13 15:47:33 -0700102static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000104MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000105
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000106#define INT_MODE_INTx 1
107#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000108int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000109module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300110MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000111 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000112
Eilon Greensteina18f5122009-08-12 08:23:26 +0000113static int dropless_fc;
114module_param(dropless_fc, int, 0);
115MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
116
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000117static int mrrs = -1;
118module_param(mrrs, int, 0);
119MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
120
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200122module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000123MODULE_PARM_DESC(debug, " Default debug msglevel");
124
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200125
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300126
127struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000128
Barak Witkowski1ef1d452013-01-10 04:53:40 +0000129struct bnx2x_mac_vals {
130 u32 xmac_addr;
131 u32 xmac_val;
132 u32 emac_addr;
133 u32 emac_val;
134 u32 umac_addr;
135 u32 umac_val;
136 u32 bmac_addr;
137 u32 bmac_val[2];
138};
139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200140enum bnx2x_board_type {
141 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300142 BCM57711,
143 BCM57711E,
144 BCM57712,
145 BCM57712_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000146 BCM57712_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300147 BCM57800,
148 BCM57800_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000149 BCM57800_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300150 BCM57810,
151 BCM57810_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000152 BCM57810_VF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300153 BCM57840_4_10,
154 BCM57840_2_20,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000155 BCM57840_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000156 BCM57840_VF,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000157 BCM57811,
Ariel Elior1ab44342013-01-01 05:22:23 +0000158 BCM57811_MF,
159 BCM57840_O,
160 BCM57840_MFO,
161 BCM57811_VF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200162};
163
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700164/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800165static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200166 char *name;
Bill Pemberton0329aba2012-12-03 09:24:24 -0500167} board_info[] = {
Ariel Elior1ab44342013-01-01 05:22:23 +0000168 [BCM57710] = { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
169 [BCM57711] = { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
170 [BCM57711E] = { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
171 [BCM57712] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
172 [BCM57712_MF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
173 [BCM57712_VF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Virtual Function" },
174 [BCM57800] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
175 [BCM57800_MF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
176 [BCM57800_VF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Virtual Function" },
177 [BCM57810] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
178 [BCM57810_MF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
179 [BCM57810_VF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Virtual Function" },
180 [BCM57840_4_10] = { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
181 [BCM57840_2_20] = { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
182 [BCM57840_MF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
183 [BCM57840_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" },
184 [BCM57811] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet" },
185 [BCM57811_MF] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function" },
186 [BCM57840_O] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
187 [BCM57840_MFO] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
188 [BCM57811_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200189};
190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300191#ifndef PCI_DEVICE_ID_NX2_57710
192#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
193#endif
194#ifndef PCI_DEVICE_ID_NX2_57711
195#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
196#endif
197#ifndef PCI_DEVICE_ID_NX2_57711E
198#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
199#endif
200#ifndef PCI_DEVICE_ID_NX2_57712
201#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
202#endif
203#ifndef PCI_DEVICE_ID_NX2_57712_MF
204#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
205#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000206#ifndef PCI_DEVICE_ID_NX2_57712_VF
207#define PCI_DEVICE_ID_NX2_57712_VF CHIP_NUM_57712_VF
208#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209#ifndef PCI_DEVICE_ID_NX2_57800
210#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
211#endif
212#ifndef PCI_DEVICE_ID_NX2_57800_MF
213#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
214#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000215#ifndef PCI_DEVICE_ID_NX2_57800_VF
216#define PCI_DEVICE_ID_NX2_57800_VF CHIP_NUM_57800_VF
217#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300218#ifndef PCI_DEVICE_ID_NX2_57810
219#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
220#endif
221#ifndef PCI_DEVICE_ID_NX2_57810_MF
222#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
223#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300224#ifndef PCI_DEVICE_ID_NX2_57840_O
225#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
226#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000227#ifndef PCI_DEVICE_ID_NX2_57810_VF
228#define PCI_DEVICE_ID_NX2_57810_VF CHIP_NUM_57810_VF
229#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300230#ifndef PCI_DEVICE_ID_NX2_57840_4_10
231#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
232#endif
233#ifndef PCI_DEVICE_ID_NX2_57840_2_20
234#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
235#endif
236#ifndef PCI_DEVICE_ID_NX2_57840_MFO
237#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300238#endif
239#ifndef PCI_DEVICE_ID_NX2_57840_MF
240#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
241#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000242#ifndef PCI_DEVICE_ID_NX2_57840_VF
243#define PCI_DEVICE_ID_NX2_57840_VF CHIP_NUM_57840_VF
244#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000245#ifndef PCI_DEVICE_ID_NX2_57811
246#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
247#endif
248#ifndef PCI_DEVICE_ID_NX2_57811_MF
249#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
250#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000251#ifndef PCI_DEVICE_ID_NX2_57811_VF
252#define PCI_DEVICE_ID_NX2_57811_VF CHIP_NUM_57811_VF
253#endif
254
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000255static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000256 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
257 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
258 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000259 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300260 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000261 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_VF), BCM57712_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300262 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
263 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000264 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_VF), BCM57800_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300265 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
266 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300267 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
268 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
269 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
Ariel Elior8395be52013-01-01 05:22:44 +0000270 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_VF), BCM57810_VF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300271 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300272 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000273 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_VF), BCM57840_VF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000274 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
275 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000276 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_VF), BCM57811_VF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200277 { 0 }
278};
279
280MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
281
Yuval Mintz452427b2012-03-26 20:47:07 +0000282/* Global resources for unloading a previously loaded device */
283#define BNX2X_PREV_WAIT_NEEDED 1
284static DEFINE_SEMAPHORE(bnx2x_prev_sem);
285static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200286/****************************************************************************
287* General service functions
288****************************************************************************/
289
Eric Dumazet1191cb82012-04-27 21:39:21 +0000290static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300291 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000292{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300293 REG_WR(bp, addr, U64_LO(mapping));
294 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000295}
296
Eric Dumazet1191cb82012-04-27 21:39:21 +0000297static void storm_memset_spq_addr(struct bnx2x *bp,
298 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300299{
300 u32 addr = XSEM_REG_FAST_MEMORY +
301 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
302
303 __storm_memset_dma_mapping(bp, addr, mapping);
304}
305
Eric Dumazet1191cb82012-04-27 21:39:21 +0000306static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
307 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300308{
309 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
310 pf_id);
311 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
312 pf_id);
313 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
314 pf_id);
315 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
316 pf_id);
317}
318
Eric Dumazet1191cb82012-04-27 21:39:21 +0000319static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
320 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300321{
322 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
323 enable);
324 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
325 enable);
326 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
327 enable);
328 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
329 enable);
330}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000331
Eric Dumazet1191cb82012-04-27 21:39:21 +0000332static void storm_memset_eq_data(struct bnx2x *bp,
333 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000334 u16 pfid)
335{
336 size_t size = sizeof(struct event_ring_data);
337
338 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
339
340 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
341}
342
Eric Dumazet1191cb82012-04-27 21:39:21 +0000343static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
344 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000345{
346 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
347 REG_WR16(bp, addr, eq_prod);
348}
349
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200350/* used only at init
351 * locking is done by mcp
352 */
stephen hemminger8d962862010-10-21 07:50:56 +0000353static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200354{
355 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
356 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
357 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
358 PCICFG_VENDOR_ID_OFFSET);
359}
360
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200361static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
362{
363 u32 val;
364
365 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
366 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
367 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
368 PCICFG_VENDOR_ID_OFFSET);
369
370 return val;
371}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200372
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000373#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
374#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
375#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
376#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
377#define DMAE_DP_DST_NONE "dst_addr [none]"
378
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000379void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae, int msglvl)
380{
381 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
382
383 switch (dmae->opcode & DMAE_COMMAND_DST) {
384 case DMAE_CMD_DST_PCI:
385 if (src_type == DMAE_CMD_SRC_PCI)
386 DP(msglvl, "DMAE: opcode 0x%08x\n"
387 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
388 "comp_addr [%x:%08x], comp_val 0x%08x\n",
389 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
390 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
391 dmae->comp_addr_hi, dmae->comp_addr_lo,
392 dmae->comp_val);
393 else
394 DP(msglvl, "DMAE: opcode 0x%08x\n"
395 "src [%08x], len [%d*4], dst [%x:%08x]\n"
396 "comp_addr [%x:%08x], comp_val 0x%08x\n",
397 dmae->opcode, dmae->src_addr_lo >> 2,
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 break;
402 case DMAE_CMD_DST_GRC:
403 if (src_type == DMAE_CMD_SRC_PCI)
404 DP(msglvl, "DMAE: opcode 0x%08x\n"
405 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
406 "comp_addr [%x:%08x], comp_val 0x%08x\n",
407 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
408 dmae->len, dmae->dst_addr_lo >> 2,
409 dmae->comp_addr_hi, dmae->comp_addr_lo,
410 dmae->comp_val);
411 else
412 DP(msglvl, "DMAE: opcode 0x%08x\n"
413 "src [%08x], len [%d*4], dst [%08x]\n"
414 "comp_addr [%x:%08x], comp_val 0x%08x\n",
415 dmae->opcode, dmae->src_addr_lo >> 2,
416 dmae->len, dmae->dst_addr_lo >> 2,
417 dmae->comp_addr_hi, dmae->comp_addr_lo,
418 dmae->comp_val);
419 break;
420 default:
421 if (src_type == DMAE_CMD_SRC_PCI)
422 DP(msglvl, "DMAE: opcode 0x%08x\n"
423 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
424 "comp_addr [%x:%08x] comp_val 0x%08x\n",
425 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
426 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
427 dmae->comp_val);
428 else
429 DP(msglvl, "DMAE: opcode 0x%08x\n"
430 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
431 "comp_addr [%x:%08x] comp_val 0x%08x\n",
432 dmae->opcode, dmae->src_addr_lo >> 2,
433 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
434 dmae->comp_val);
435 break;
436 }
437}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000438
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200439/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000440void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200441{
442 u32 cmd_offset;
443 int i;
444
445 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
446 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
447 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200448 }
449 REG_WR(bp, dmae_reg_go_c[idx], 1);
450}
451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000452u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
453{
454 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
455 DMAE_CMD_C_ENABLE);
456}
457
458u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
459{
460 return opcode & ~DMAE_CMD_SRC_RESET;
461}
462
463u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
464 bool with_comp, u8 comp_type)
465{
466 u32 opcode = 0;
467
468 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
469 (dst_type << DMAE_COMMAND_DST_SHIFT));
470
471 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
472
473 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400474 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
475 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000476 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
477
478#ifdef __BIG_ENDIAN
479 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
480#else
481 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
482#endif
483 if (with_comp)
484 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
485 return opcode;
486}
487
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000488void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
stephen hemminger8d962862010-10-21 07:50:56 +0000489 struct dmae_command *dmae,
490 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000491{
492 memset(dmae, 0, sizeof(struct dmae_command));
493
494 /* set the opcode */
495 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
496 true, DMAE_COMP_PCI);
497
498 /* fill in the completion parameters */
499 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
500 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
501 dmae->comp_val = DMAE_COMP_VAL;
502}
503
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000504/* issue a dmae command over the init-channel and wait for completion */
505int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000506{
507 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000508 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000509 int rc = 0;
510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300511 /*
512 * Lock the dmae channel. Disable BHs to prevent a dead-lock
513 * as long as this code is called both from syscall context and
514 * from ndo_set_rx_mode() flow that may be called from BH.
515 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800516 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517
518 /* reset completion */
519 *wb_comp = 0;
520
521 /* post the command on the channel used for initializations */
522 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
523
524 /* wait for completion */
525 udelay(5);
526 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000527
Ariel Elior95c6c6162012-01-26 06:01:52 +0000528 if (!cnt ||
529 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
530 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000531 BNX2X_ERR("DMAE timeout!\n");
532 rc = DMAE_TIMEOUT;
533 goto unlock;
534 }
535 cnt--;
536 udelay(50);
537 }
538 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
539 BNX2X_ERR("DMAE PCI error!\n");
540 rc = DMAE_PCI_ERROR;
541 }
542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000543unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800544 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000545 return rc;
546}
547
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700548void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
549 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200550{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000551 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700552
553 if (!bp->dmae_ready) {
554 u32 *data = bnx2x_sp(bp, wb_data[0]);
555
Ariel Elior127a4252012-01-26 06:01:46 +0000556 if (CHIP_IS_E1(bp))
557 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
558 else
559 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700560 return;
561 }
562
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563 /* set opcode and fixed command fields */
564 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200565
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000566 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000567 dmae.src_addr_lo = U64_LO(dma_addr);
568 dmae.src_addr_hi = U64_HI(dma_addr);
569 dmae.dst_addr_lo = dst_addr >> 2;
570 dmae.dst_addr_hi = 0;
571 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200572
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000573 /* issue the command and wait for completion */
574 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200575}
576
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700577void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200578{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000579 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700580
581 if (!bp->dmae_ready) {
582 u32 *data = bnx2x_sp(bp, wb_data[0]);
583 int i;
584
Merav Sicron51c1a582012-03-18 10:33:38 +0000585 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000586 for (i = 0; i < len32; i++)
587 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000588 else
Ariel Elior127a4252012-01-26 06:01:46 +0000589 for (i = 0; i < len32; i++)
590 data[i] = REG_RD(bp, src_addr + i*4);
591
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700592 return;
593 }
594
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000595 /* set opcode and fixed command fields */
596 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200597
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000598 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000599 dmae.src_addr_lo = src_addr >> 2;
600 dmae.src_addr_hi = 0;
601 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
602 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
603 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200604
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000605 /* issue the command and wait for completion */
606 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200607}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200608
stephen hemminger8d962862010-10-21 07:50:56 +0000609static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
610 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000611{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000612 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000613 int offset = 0;
614
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000615 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000616 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000617 addr + offset, dmae_wr_max);
618 offset += dmae_wr_max * 4;
619 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000620 }
621
622 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
623}
624
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200625static int bnx2x_mc_assert(struct bnx2x *bp)
626{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200627 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700628 int i, rc = 0;
629 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200630
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700631 /* XSTORM */
632 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
633 XSTORM_ASSERT_LIST_INDEX_OFFSET);
634 if (last_idx)
635 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200636
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700637 /* print the asserts */
638 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200639
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700640 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
641 XSTORM_ASSERT_LIST_OFFSET(i));
642 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
643 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
644 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
645 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
646 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
647 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700649 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000650 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700651 i, row3, row2, row1, row0);
652 rc++;
653 } else {
654 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655 }
656 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700657
658 /* TSTORM */
659 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
660 TSTORM_ASSERT_LIST_INDEX_OFFSET);
661 if (last_idx)
662 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
663
664 /* print the asserts */
665 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
666
667 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
668 TSTORM_ASSERT_LIST_OFFSET(i));
669 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
670 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
671 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
672 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
673 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
674 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
675
676 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000677 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700678 i, row3, row2, row1, row0);
679 rc++;
680 } else {
681 break;
682 }
683 }
684
685 /* CSTORM */
686 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
687 CSTORM_ASSERT_LIST_INDEX_OFFSET);
688 if (last_idx)
689 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
690
691 /* print the asserts */
692 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
693
694 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
695 CSTORM_ASSERT_LIST_OFFSET(i));
696 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
697 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
698 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
699 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
700 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
701 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
702
703 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000704 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700705 i, row3, row2, row1, row0);
706 rc++;
707 } else {
708 break;
709 }
710 }
711
712 /* USTORM */
713 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
714 USTORM_ASSERT_LIST_INDEX_OFFSET);
715 if (last_idx)
716 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
717
718 /* print the asserts */
719 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
720
721 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
722 USTORM_ASSERT_LIST_OFFSET(i));
723 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
724 USTORM_ASSERT_LIST_OFFSET(i) + 4);
725 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
726 USTORM_ASSERT_LIST_OFFSET(i) + 8);
727 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
728 USTORM_ASSERT_LIST_OFFSET(i) + 12);
729
730 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000731 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700732 i, row3, row2, row1, row0);
733 rc++;
734 } else {
735 break;
736 }
737 }
738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200739 return rc;
740}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800741
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000742void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200743{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000744 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000746 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200747 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000748 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000749 if (BP_NOMCP(bp)) {
750 BNX2X_ERR("NO MCP - can not dump\n");
751 return;
752 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000753 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
754 (bp->common.bc_ver & 0xff0000) >> 16,
755 (bp->common.bc_ver & 0xff00) >> 8,
756 (bp->common.bc_ver & 0xff));
757
758 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
759 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000760 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000761
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000762 if (BP_PATH(bp) == 0)
763 trace_shmem_base = bp->common.shmem_base;
764 else
765 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000766 addr = trace_shmem_base - 0x800;
767
768 /* validate TRCB signature */
769 mark = REG_RD(bp, addr);
770 if (mark != MFW_TRACE_SIGNATURE) {
771 BNX2X_ERR("Trace buffer signature is missing.");
772 return ;
773 }
774
775 /* read cyclic buffer pointer */
776 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000777 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000778 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
779 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000780 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200781
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000782 printk("%s", lvl);
Yuval Mintz2de67432013-01-23 03:21:43 +0000783
784 /* dump buffer after the mark */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000785 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200786 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000787 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200788 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000789 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200790 }
Yuval Mintz2de67432013-01-23 03:21:43 +0000791
792 /* dump buffer before the mark */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000793 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200794 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000795 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200796 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000797 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200798 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000799 printk("%s" "end of fw dump\n", lvl);
800}
801
Eric Dumazet1191cb82012-04-27 21:39:21 +0000802static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000803{
804 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200805}
806
Yuval Mintz823e1d92013-01-14 05:11:47 +0000807static void bnx2x_hc_int_disable(struct bnx2x *bp)
808{
809 int port = BP_PORT(bp);
810 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
811 u32 val = REG_RD(bp, addr);
812
813 /* in E1 we must use only PCI configuration space to disable
814 * MSI/MSIX capablility
815 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
816 */
817 if (CHIP_IS_E1(bp)) {
818 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
819 * Use mask register to prevent from HC sending interrupts
820 * after we exit the function
821 */
822 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
823
824 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
825 HC_CONFIG_0_REG_INT_LINE_EN_0 |
826 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
827 } else
828 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
829 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
830 HC_CONFIG_0_REG_INT_LINE_EN_0 |
831 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
832
833 DP(NETIF_MSG_IFDOWN,
834 "write %x to HC %d (addr 0x%x)\n",
835 val, port, addr);
836
837 /* flush all outstanding writes */
838 mmiowb();
839
840 REG_WR(bp, addr, val);
841 if (REG_RD(bp, addr) != val)
842 BNX2X_ERR("BUG! proper val not read from IGU!\n");
843}
844
845static void bnx2x_igu_int_disable(struct bnx2x *bp)
846{
847 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
848
849 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
850 IGU_PF_CONF_INT_LINE_EN |
851 IGU_PF_CONF_ATTN_BIT_EN);
852
853 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
854
855 /* flush all outstanding writes */
856 mmiowb();
857
858 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
859 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
860 BNX2X_ERR("BUG! proper val not read from IGU!\n");
861}
862
863static void bnx2x_int_disable(struct bnx2x *bp)
864{
865 if (bp->common.int_block == INT_BLOCK_HC)
866 bnx2x_hc_int_disable(bp);
867 else
868 bnx2x_igu_int_disable(bp);
869}
870
871void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872{
873 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000874 u16 j;
875 struct hc_sp_status_block_data sp_sb_data;
876 int func = BP_FUNC(bp);
877#ifdef BNX2X_STOP_ON_ERROR
878 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000879 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000880#endif
Yuval Mintz823e1d92013-01-14 05:11:47 +0000881 if (disable_int)
882 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000885 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700886 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 BNX2X_ERR("begin crash dump -----------------\n");
889
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000890 /* Indices */
891 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000892 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",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300893 bp->def_idx, bp->def_att_idx, bp->attn_state,
894 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
Joe Perchesf1deab52011-08-14 12:16:21 +0000911 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",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000912 sp_sb_data.igu_sb_id,
913 sp_sb_data.igu_seg_id,
914 sp_sb_data.p_func.pf_id,
915 sp_sb_data.p_func.vnic_id,
916 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300917 sp_sb_data.p_func.vf_valid,
918 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000919
920
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000921 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000922 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000923 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000924 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000925 struct hc_status_block_data_e1x sb_data_e1x;
926 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300927 CHIP_IS_E1x(bp) ?
928 sb_data_e1x.common.state_machine :
929 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300931 CHIP_IS_E1x(bp) ?
932 sb_data_e1x.index_data :
933 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000934 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000935 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000936 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000939 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 +0000940 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000943 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 +0000944 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000946
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000948 for_each_cos_in_tx_queue(fp, cos)
949 {
Merav Sicron65565882012-06-19 07:48:26 +0000950 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000951 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 +0000952 i, txdata.tx_pkt_prod,
953 txdata.tx_pkt_cons, txdata.tx_bd_prod,
954 txdata.tx_bd_cons,
955 le16_to_cpu(*txdata.tx_cons_sb));
956 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300958 loop = CHIP_IS_E1x(bp) ?
959 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000960
961 /* host sb data */
962
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000963 if (IS_FCOE_FP(fp))
964 continue;
Merav Sicron55c11942012-11-07 00:45:48 +0000965
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300978 data_size = CHIP_IS_E1x(bp) ?
979 sizeof(struct hc_status_block_data_e1x) :
980 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000981 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300982 sb_data_p = CHIP_IS_E1x(bp) ?
983 (u32 *)&sb_data_e1x :
984 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300991 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000992 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 +0000993 sb_data_e2.common.p_func.pf_id,
994 sb_data_e2.common.p_func.vf_id,
995 sb_data_e2.common.p_func.vf_valid,
996 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300997 sb_data_e2.common.same_igu_sb_1b,
998 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000999 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00001000 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 +00001001 sb_data_e1x.common.p_func.pf_id,
1002 sb_data_e1x.common.p_func.vf_id,
1003 sb_data_e1x.common.p_func.vf_valid,
1004 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001005 sb_data_e1x.common.same_igu_sb_1b,
1006 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001011 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",
1012 j, hc_sm_p[j].__flags,
1013 hc_sm_p[j].igu_sb_id,
1014 hc_sm_p[j].igu_seg_id,
1015 hc_sm_p[j].time_to_expire,
1016 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001017 }
1018
1019 /* Indecies data */
1020 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001021 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001022 hc_index_p[j].flags,
1023 hc_index_p[j].timeout);
1024 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001025 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001026
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001027#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz04c46732013-01-23 03:21:46 +00001028
1029 /* event queue */
1030 for (i = 0; i < NUM_EQ_DESC; i++) {
1031 u32 *data = (u32 *)&bp->eq_ring[i].message.data;
1032
1033 BNX2X_ERR("event queue [%d]: header: opcode %d, error %d\n",
1034 i, bp->eq_ring[i].message.opcode,
1035 bp->eq_ring[i].message.error);
1036 BNX2X_ERR("data: %x %x %x\n", data[0], data[1], data[2]);
1037 }
1038
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Merav Sicron55c11942012-11-07 00:45:48 +00001041 for_each_valid_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +00001051 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Merav Sicron55c11942012-11-07 00:45:48 +00001075 for_each_valid_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +00001077 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00001078 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001079
Ariel Elior6383c0b2011-07-14 08:31:57 +00001080 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
1081 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 struct sw_tx_bd *sw_bd =
1084 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085
Merav Sicron51c1a582012-03-18 10:33:38 +00001086 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001087 i, cos, j, sw_bd->skb,
1088 sw_bd->first_bd);
1089 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001090
Ariel Elior6383c0b2011-07-14 08:31:57 +00001091 start = TX_BD(txdata->tx_bd_cons - 10);
1092 end = TX_BD(txdata->tx_bd_cons + 254);
1093 for (j = start; j != end; j = TX_BD(j + 1)) {
1094 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001095
Merav Sicron51c1a582012-03-18 10:33:38 +00001096 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001097 i, cos, j, tx_bd[0], tx_bd[1],
1098 tx_bd[2], tx_bd[3]);
1099 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001100 }
1101 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001102#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001103 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001104 bnx2x_mc_assert(bp);
1105 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106}
1107
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001108/*
1109 * FLR Support for E2
1110 *
1111 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1112 * initialization.
1113 */
1114#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001115#define FLR_WAIT_INTERVAL 50 /* usec */
1116#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001117
1118struct pbf_pN_buf_regs {
1119 int pN;
1120 u32 init_crd;
1121 u32 crd;
1122 u32 crd_freed;
1123};
1124
1125struct pbf_pN_cmd_regs {
1126 int pN;
1127 u32 lines_occup;
1128 u32 lines_freed;
1129};
1130
1131static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1132 struct pbf_pN_buf_regs *regs,
1133 u32 poll_count)
1134{
1135 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1136 u32 cur_cnt = poll_count;
1137
1138 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1139 crd = crd_start = REG_RD(bp, regs->crd);
1140 init_crd = REG_RD(bp, regs->init_crd);
1141
1142 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1143 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1144 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1145
1146 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1147 (init_crd - crd_start))) {
1148 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001149 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001150 crd = REG_RD(bp, regs->crd);
1151 crd_freed = REG_RD(bp, regs->crd_freed);
1152 } else {
1153 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1154 regs->pN);
1155 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1156 regs->pN, crd);
1157 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1158 regs->pN, crd_freed);
1159 break;
1160 }
1161 }
1162 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001163 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001164}
1165
1166static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1167 struct pbf_pN_cmd_regs *regs,
1168 u32 poll_count)
1169{
1170 u32 occup, to_free, freed, freed_start;
1171 u32 cur_cnt = poll_count;
1172
1173 occup = to_free = REG_RD(bp, regs->lines_occup);
1174 freed = freed_start = REG_RD(bp, regs->lines_freed);
1175
1176 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1177 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1178
1179 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1180 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001181 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001182 occup = REG_RD(bp, regs->lines_occup);
1183 freed = REG_RD(bp, regs->lines_freed);
1184 } else {
1185 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1186 regs->pN);
1187 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1188 regs->pN, occup);
1189 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1190 regs->pN, freed);
1191 break;
1192 }
1193 }
1194 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001195 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001196}
1197
Eric Dumazet1191cb82012-04-27 21:39:21 +00001198static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1199 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001200{
1201 u32 cur_cnt = poll_count;
1202 u32 val;
1203
1204 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001205 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001206
1207 return val;
1208}
1209
Ariel Eliord16132c2013-01-01 05:22:42 +00001210int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1211 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001212{
1213 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1214 if (val != 0) {
1215 BNX2X_ERR("%s usage count=%d\n", msg, val);
1216 return 1;
1217 }
1218 return 0;
1219}
1220
Ariel Eliord16132c2013-01-01 05:22:42 +00001221/* Common routines with VF FLR cleanup */
1222u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001223{
1224 /* adjust polling timeout */
1225 if (CHIP_REV_IS_EMUL(bp))
1226 return FLR_POLL_CNT * 2000;
1227
1228 if (CHIP_REV_IS_FPGA(bp))
1229 return FLR_POLL_CNT * 120;
1230
1231 return FLR_POLL_CNT;
1232}
1233
Ariel Eliord16132c2013-01-01 05:22:42 +00001234void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001235{
1236 struct pbf_pN_cmd_regs cmd_regs[] = {
1237 {0, (CHIP_IS_E3B0(bp)) ?
1238 PBF_REG_TQ_OCCUPANCY_Q0 :
1239 PBF_REG_P0_TQ_OCCUPANCY,
1240 (CHIP_IS_E3B0(bp)) ?
1241 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1242 PBF_REG_P0_TQ_LINES_FREED_CNT},
1243 {1, (CHIP_IS_E3B0(bp)) ?
1244 PBF_REG_TQ_OCCUPANCY_Q1 :
1245 PBF_REG_P1_TQ_OCCUPANCY,
1246 (CHIP_IS_E3B0(bp)) ?
1247 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1248 PBF_REG_P1_TQ_LINES_FREED_CNT},
1249 {4, (CHIP_IS_E3B0(bp)) ?
1250 PBF_REG_TQ_OCCUPANCY_LB_Q :
1251 PBF_REG_P4_TQ_OCCUPANCY,
1252 (CHIP_IS_E3B0(bp)) ?
1253 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1254 PBF_REG_P4_TQ_LINES_FREED_CNT}
1255 };
1256
1257 struct pbf_pN_buf_regs buf_regs[] = {
1258 {0, (CHIP_IS_E3B0(bp)) ?
1259 PBF_REG_INIT_CRD_Q0 :
1260 PBF_REG_P0_INIT_CRD ,
1261 (CHIP_IS_E3B0(bp)) ?
1262 PBF_REG_CREDIT_Q0 :
1263 PBF_REG_P0_CREDIT,
1264 (CHIP_IS_E3B0(bp)) ?
1265 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1266 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1267 {1, (CHIP_IS_E3B0(bp)) ?
1268 PBF_REG_INIT_CRD_Q1 :
1269 PBF_REG_P1_INIT_CRD,
1270 (CHIP_IS_E3B0(bp)) ?
1271 PBF_REG_CREDIT_Q1 :
1272 PBF_REG_P1_CREDIT,
1273 (CHIP_IS_E3B0(bp)) ?
1274 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1275 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1276 {4, (CHIP_IS_E3B0(bp)) ?
1277 PBF_REG_INIT_CRD_LB_Q :
1278 PBF_REG_P4_INIT_CRD,
1279 (CHIP_IS_E3B0(bp)) ?
1280 PBF_REG_CREDIT_LB_Q :
1281 PBF_REG_P4_CREDIT,
1282 (CHIP_IS_E3B0(bp)) ?
1283 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1284 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1285 };
1286
1287 int i;
1288
1289 /* Verify the command queues are flushed P0, P1, P4 */
1290 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1291 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1292
1293
1294 /* Verify the transmission buffers are flushed P0, P1, P4 */
1295 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1296 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1297}
1298
1299#define OP_GEN_PARAM(param) \
1300 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1301
1302#define OP_GEN_TYPE(type) \
1303 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1304
1305#define OP_GEN_AGG_VECT(index) \
1306 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1307
1308
Ariel Eliord16132c2013-01-01 05:22:42 +00001309int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001310{
Yuval Mintz86564c32013-01-23 03:21:50 +00001311 u32 op_gen_command = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001312
1313 u32 comp_addr = BAR_CSTRORM_INTMEM +
1314 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1315 int ret = 0;
1316
1317 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001318 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001319 return 1;
1320 }
1321
Yuval Mintz86564c32013-01-23 03:21:50 +00001322 op_gen_command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1323 op_gen_command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1324 op_gen_command |= OP_GEN_AGG_VECT(clnup_func);
1325 op_gen_command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001326
Ariel Elior89db4ad2012-01-26 06:01:48 +00001327 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Yuval Mintz86564c32013-01-23 03:21:50 +00001328 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen_command);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001329
1330 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1331 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001332 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1333 (REG_RD(bp, comp_addr)));
Ariel Eliord16132c2013-01-01 05:22:42 +00001334 bnx2x_panic();
1335 return 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001336 }
1337 /* Zero completion for nxt FLR */
1338 REG_WR(bp, comp_addr, 0);
1339
1340 return ret;
1341}
1342
Ariel Eliorb56e9672013-01-01 05:22:32 +00001343u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001344{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001345 u16 status;
1346
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001347 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001348 return status & PCI_EXP_DEVSTA_TRPND;
1349}
1350
1351/* PF FLR specific routines
1352*/
1353static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1354{
1355
1356 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1357 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1358 CFC_REG_NUM_LCIDS_INSIDE_PF,
1359 "CFC PF usage counter timed out",
1360 poll_cnt))
1361 return 1;
1362
1363
1364 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1365 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1366 DORQ_REG_PF_USAGE_CNT,
1367 "DQ PF usage counter timed out",
1368 poll_cnt))
1369 return 1;
1370
1371 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1372 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1373 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1374 "QM PF usage counter timed out",
1375 poll_cnt))
1376 return 1;
1377
1378 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1379 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1380 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1381 "Timers VNIC usage counter timed out",
1382 poll_cnt))
1383 return 1;
1384 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1385 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1386 "Timers NUM_SCANS usage counter timed out",
1387 poll_cnt))
1388 return 1;
1389
1390 /* Wait DMAE PF usage counter to zero */
1391 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1392 dmae_reg_go_c[INIT_DMAE_C(bp)],
1393 "DMAE dommand register timed out",
1394 poll_cnt))
1395 return 1;
1396
1397 return 0;
1398}
1399
1400static void bnx2x_hw_enable_status(struct bnx2x *bp)
1401{
1402 u32 val;
1403
1404 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1405 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1406
1407 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1408 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1409
1410 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1411 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1412
1413 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1414 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1415
1416 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1417 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1418
1419 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1420 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1421
1422 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1423 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1424
1425 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1426 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1427 val);
1428}
1429
1430static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1431{
1432 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1433
1434 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1435
1436 /* Re-enable PF target read access */
1437 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1438
1439 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001440 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001441 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1442 return -EBUSY;
1443
1444 /* Zero the igu 'trailing edge' and 'leading edge' */
1445
1446 /* Send the FW cleanup command */
1447 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1448 return -EBUSY;
1449
1450 /* ATC cleanup */
1451
1452 /* Verify TX hw is flushed */
1453 bnx2x_tx_hw_flushed(bp, poll_cnt);
1454
1455 /* Wait 100ms (not adjusted according to platform) */
1456 msleep(100);
1457
1458 /* Verify no pending pci transactions */
1459 if (bnx2x_is_pcie_pending(bp->pdev))
1460 BNX2X_ERR("PCIE Transactions still pending\n");
1461
1462 /* Debug */
1463 bnx2x_hw_enable_status(bp);
1464
1465 /*
1466 * Master enable - Due to WB DMAE writes performed before this
1467 * register is re-initialized as part of the regular function init
1468 */
1469 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1470
1471 return 0;
1472}
1473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001474static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001475{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001476 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001477 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1478 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001479 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1480 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1481 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001482
1483 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001484 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1485 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001486 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1487 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001488 if (single_msix)
1489 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001490 } else if (msi) {
1491 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1492 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1493 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1494 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001495 } else {
1496 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001497 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001498 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1499 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001500
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001501 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001502 DP(NETIF_MSG_IFUP,
1503 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001504
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001505 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001506
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001507 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1508 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001509 }
1510
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001511 if (CHIP_IS_E1(bp))
1512 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1513
Merav Sicron51c1a582012-03-18 10:33:38 +00001514 DP(NETIF_MSG_IFUP,
1515 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1516 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001517
1518 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001519 /*
1520 * Ensure that HC_CONFIG is written before leading/trailing edge config
1521 */
1522 mmiowb();
1523 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001524
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001525 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001526 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001527 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001528 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001529 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001530 /* enable nig and gpio3 attention */
1531 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001532 } else
1533 val = 0xffff;
1534
1535 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1536 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1537 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001538
1539 /* Make sure that interrupts are indeed enabled from here on */
1540 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001541}
1542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001543static void bnx2x_igu_int_enable(struct bnx2x *bp)
1544{
1545 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +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;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001549
1550 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1551
1552 if (msix) {
1553 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1554 IGU_PF_CONF_SINGLE_ISR_EN);
Yuval Mintzebe61d82013-01-14 05:11:48 +00001555 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001556 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001557
1558 if (single_msix)
1559 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001560 } else if (msi) {
1561 val &= ~IGU_PF_CONF_INT_LINE_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001562 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001563 IGU_PF_CONF_ATTN_BIT_EN |
1564 IGU_PF_CONF_SINGLE_ISR_EN);
1565 } else {
1566 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001567 val |= (IGU_PF_CONF_INT_LINE_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001568 IGU_PF_CONF_ATTN_BIT_EN |
1569 IGU_PF_CONF_SINGLE_ISR_EN);
1570 }
1571
Yuval Mintzebe61d82013-01-14 05:11:48 +00001572 /* Clean previous status - need to configure igu prior to ack*/
1573 if ((!msix) || single_msix) {
1574 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1575 bnx2x_ack_int(bp);
1576 }
1577
1578 val |= IGU_PF_CONF_FUNC_EN;
1579
Merav Sicron51c1a582012-03-18 10:33:38 +00001580 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001581 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1582
1583 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1584
Yuval Mintz79a85572012-04-03 18:41:25 +00001585 if (val & IGU_PF_CONF_INT_LINE_EN)
1586 pci_intx(bp->pdev, true);
1587
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001588 barrier();
1589
1590 /* init leading/trailing edge */
1591 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001592 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001593 if (bp->port.pmf)
1594 /* enable nig and gpio3 attention */
1595 val |= 0x1100;
1596 } else
1597 val = 0xffff;
1598
1599 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1600 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1601
1602 /* Make sure that interrupts are indeed enabled from here on */
1603 mmiowb();
1604}
1605
1606void bnx2x_int_enable(struct bnx2x *bp)
1607{
1608 if (bp->common.int_block == INT_BLOCK_HC)
1609 bnx2x_hc_int_enable(bp);
1610 else
1611 bnx2x_igu_int_enable(bp);
1612}
1613
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001614void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001615{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001616 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001617 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001618
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001619 if (disable_hw)
1620 /* prevent the HW from sending interrupts */
1621 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001622
1623 /* make sure all ISRs are done */
1624 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001625 synchronize_irq(bp->msix_table[0].vector);
1626 offset = 1;
Merav Sicron55c11942012-11-07 00:45:48 +00001627 if (CNIC_SUPPORT(bp))
1628 offset++;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001629 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001630 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631 } else
1632 synchronize_irq(bp->pdev->irq);
1633
1634 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001635 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001636 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001637 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001638}
1639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001640/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001641
1642/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001643 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644 */
1645
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001646/* Return true if succeeded to acquire the lock */
1647static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1648{
1649 u32 lock_status;
1650 u32 resource_bit = (1 << resource);
1651 int func = BP_FUNC(bp);
1652 u32 hw_lock_control_reg;
1653
Merav Sicron51c1a582012-03-18 10:33:38 +00001654 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1655 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001656
1657 /* Validating that the resource is within range */
1658 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001659 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001660 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1661 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001662 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001663 }
1664
1665 if (func <= 5)
1666 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1667 else
1668 hw_lock_control_reg =
1669 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1670
1671 /* Try to acquire the lock */
1672 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1673 lock_status = REG_RD(bp, hw_lock_control_reg);
1674 if (lock_status & resource_bit)
1675 return true;
1676
Merav Sicron51c1a582012-03-18 10:33:38 +00001677 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1678 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001679 return false;
1680}
1681
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001682/**
1683 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1684 *
1685 * @bp: driver handle
1686 *
1687 * Returns the recovery leader resource id according to the engine this function
1688 * belongs to. Currently only only 2 engines is supported.
1689 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001690static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001691{
1692 if (BP_PATH(bp))
1693 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1694 else
1695 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1696}
1697
1698/**
Yuval Mintz2de67432013-01-23 03:21:43 +00001699 * bnx2x_trylock_leader_lock- try to acquire a leader lock.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001700 *
1701 * @bp: driver handle
1702 *
Yuval Mintz2de67432013-01-23 03:21:43 +00001703 * Tries to acquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001704 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001705static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001706{
1707 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1708}
1709
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001710static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Merav Sicron55c11942012-11-07 00:45:48 +00001711
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001712/* schedule the sp task and mark that interrupt occurred (runs from ISR) */
1713static int bnx2x_schedule_sp_task(struct bnx2x *bp)
1714{
1715 /* Set the interrupt occurred bit for the sp-task to recognize it
1716 * must ack the interrupt and transition according to the IGU
1717 * state machine.
1718 */
1719 atomic_set(&bp->interrupt_occurred, 1);
1720
1721 /* The sp_task must execute only after this bit
1722 * is set, otherwise we will get out of sync and miss all
1723 * further interrupts. Hence, the barrier.
1724 */
1725 smp_wmb();
1726
1727 /* schedule sp_task to workqueue */
1728 return queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1729}
Eilon Greenstein3196a882008-08-13 15:58:49 -07001730
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001731void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001732{
1733 struct bnx2x *bp = fp->bp;
1734 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1735 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001736 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001737 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001738
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001739 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001740 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001741 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001742 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001743
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001744 /* If cid is within VF range, replace the slowpath object with the
1745 * one corresponding to this VF
1746 */
1747 if (cid >= BNX2X_FIRST_VF_CID &&
1748 cid < BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)
1749 bnx2x_iov_set_queue_sp_obj(bp, cid, &q_obj);
1750
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001751 switch (command) {
1752 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001753 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001754 drv_cmd = BNX2X_Q_CMD_UPDATE;
1755 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001756
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001757 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001758 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001759 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001760 break;
1761
Ariel Elior6383c0b2011-07-14 08:31:57 +00001762 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001763 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001764 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1765 break;
1766
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001767 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001768 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001769 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001770 break;
1771
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001772 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001773 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001774 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1775 break;
1776
1777 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001778 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001779 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001780 break;
1781
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001783 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1784 command, fp->index);
1785 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001786 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001787
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001788 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1789 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1790 /* q_obj->complete_cmd() failure means that this was
1791 * an unexpected completion.
1792 *
1793 * In this case we don't want to increase the bp->spq_left
1794 * because apparently we haven't sent this command the first
1795 * place.
1796 */
1797#ifdef BNX2X_STOP_ON_ERROR
1798 bnx2x_panic();
1799#else
1800 return;
1801#endif
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001802 /* SRIOV: reschedule any 'in_progress' operations */
1803 bnx2x_iov_sp_event(bp, cid, true);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001804
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001805 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001806 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001807 /* push the change in bp->spq_left and towards the memory */
1808 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001809
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001810 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1811
Barak Witkowskia3348722012-04-23 03:04:46 +00001812 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1813 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1814 /* if Q update ramrod is completed for last Q in AFEX vif set
1815 * flow, then ACK MCP at the end
1816 *
1817 * mark pending ACK to MCP bit.
1818 * prevent case that both bits are cleared.
1819 * At the end of load/unload driver checks that
Yuval Mintz2de67432013-01-23 03:21:43 +00001820 * sp_state is cleared, and this order prevents
Barak Witkowskia3348722012-04-23 03:04:46 +00001821 * races
1822 */
1823 smp_mb__before_clear_bit();
1824 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1825 wmb();
1826 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1827 smp_mb__after_clear_bit();
1828
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001829 /* schedule the sp task as mcp ack is required */
1830 bnx2x_schedule_sp_task(bp);
Barak Witkowskia3348722012-04-23 03:04:46 +00001831 }
1832
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001833 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001834}
1835
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001836irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001837{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001838 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001839 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001840 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001841 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001842 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001844 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001845 if (unlikely(status == 0)) {
1846 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1847 return IRQ_NONE;
1848 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001849 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001850
Eilon Greenstein3196a882008-08-13 15:58:49 -07001851#ifdef BNX2X_STOP_ON_ERROR
1852 if (unlikely(bp->panic))
1853 return IRQ_HANDLED;
1854#endif
1855
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001856 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001857 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001858
Merav Sicron55c11942012-11-07 00:45:48 +00001859 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
Eilon Greensteinca003922009-08-12 22:53:28 -07001860 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001861 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001862 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001863 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001864 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001865 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001866 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001867 status &= ~mask;
1868 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001869 }
1870
Merav Sicron55c11942012-11-07 00:45:48 +00001871 if (CNIC_SUPPORT(bp)) {
1872 mask = 0x2;
1873 if (status & (mask | 0x1)) {
1874 struct cnic_ops *c_ops = NULL;
Michael Chan993ac7b2009-10-10 13:46:56 +00001875
Michael Chanad9b4352013-01-23 03:21:52 +00001876 rcu_read_lock();
1877 c_ops = rcu_dereference(bp->cnic_ops);
1878 if (c_ops && (bp->cnic_eth_dev.drv_state &
1879 CNIC_DRV_STATE_HANDLES_IRQ))
1880 c_ops->cnic_handler(bp->cnic_data, NULL);
1881 rcu_read_unlock();
Merav Sicron55c11942012-11-07 00:45:48 +00001882
1883 status &= ~mask;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001884 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001885 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001886
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001887 if (unlikely(status & 0x1)) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001888
1889 /* schedule sp task to perform default status block work, ack
1890 * attentions and enable interrupts.
1891 */
1892 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001893
1894 status &= ~0x1;
1895 if (!status)
1896 return IRQ_HANDLED;
1897 }
1898
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001899 if (unlikely(status))
1900 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001901 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001902
1903 return IRQ_HANDLED;
1904}
1905
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001906/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001907
1908/*
1909 * General service functions
1910 */
1911
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001912int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001913{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 u32 lock_status;
1915 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001916 int func = BP_FUNC(bp);
1917 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001918 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001919
1920 /* Validating that the resource is within range */
1921 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001922 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001923 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1924 return -EINVAL;
1925 }
1926
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001927 if (func <= 5) {
1928 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1929 } else {
1930 hw_lock_control_reg =
1931 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1932 }
1933
Eliezer Tamirf1410642008-02-28 11:51:50 -08001934 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001935 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001936 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001937 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001938 lock_status, resource_bit);
1939 return -EEXIST;
1940 }
1941
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001942 /* Try for 5 second every 5ms */
1943 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001944 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001945 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1946 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001947 if (lock_status & resource_bit)
1948 return 0;
1949
1950 msleep(5);
1951 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001952 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001953 return -EAGAIN;
1954}
1955
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001956int bnx2x_release_leader_lock(struct bnx2x *bp)
1957{
1958 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1959}
1960
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001961int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001962{
1963 u32 lock_status;
1964 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001965 int func = BP_FUNC(bp);
1966 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001967
1968 /* Validating that the resource is within range */
1969 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001970 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001971 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1972 return -EINVAL;
1973 }
1974
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001975 if (func <= 5) {
1976 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1977 } else {
1978 hw_lock_control_reg =
1979 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1980 }
1981
Eliezer Tamirf1410642008-02-28 11:51:50 -08001982 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001983 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001984 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001985 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001986 lock_status, resource_bit);
1987 return -EFAULT;
1988 }
1989
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001990 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001991 return 0;
1992}
1993
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001994
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001995int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1996{
1997 /* The GPIO should be swapped if swap register is set and active */
1998 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1999 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2000 int gpio_shift = gpio_num +
2001 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2002 u32 gpio_mask = (1 << gpio_shift);
2003 u32 gpio_reg;
2004 int value;
2005
2006 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2007 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2008 return -EINVAL;
2009 }
2010
2011 /* read GPIO value */
2012 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2013
2014 /* get the requested pin value */
2015 if ((gpio_reg & gpio_mask) == gpio_mask)
2016 value = 1;
2017 else
2018 value = 0;
2019
2020 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
2021
2022 return value;
2023}
2024
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002025int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002026{
2027 /* The GPIO should be swapped if swap register is set and active */
2028 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002029 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002030 int gpio_shift = gpio_num +
2031 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2032 u32 gpio_mask = (1 << gpio_shift);
2033 u32 gpio_reg;
2034
2035 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2036 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2037 return -EINVAL;
2038 }
2039
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002040 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002041 /* read GPIO and mask except the float bits */
2042 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
2043
2044 switch (mode) {
2045 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002046 DP(NETIF_MSG_LINK,
2047 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002048 gpio_num, gpio_shift);
2049 /* clear FLOAT and set CLR */
2050 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2051 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
2052 break;
2053
2054 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002055 DP(NETIF_MSG_LINK,
2056 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002057 gpio_num, gpio_shift);
2058 /* clear FLOAT and set SET */
2059 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2060 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
2061 break;
2062
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002063 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002064 DP(NETIF_MSG_LINK,
2065 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002066 gpio_num, gpio_shift);
2067 /* set FLOAT */
2068 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2069 break;
2070
2071 default:
2072 break;
2073 }
2074
2075 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002076 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002077
2078 return 0;
2079}
2080
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00002081int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
2082{
2083 u32 gpio_reg = 0;
2084 int rc = 0;
2085
2086 /* Any port swapping should be handled by caller. */
2087
2088 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2089 /* read GPIO and mask except the float bits */
2090 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2091 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2092 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2093 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2094
2095 switch (mode) {
2096 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2097 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2098 /* set CLR */
2099 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2100 break;
2101
2102 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2103 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2104 /* set SET */
2105 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2106 break;
2107
2108 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2109 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2110 /* set FLOAT */
2111 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2112 break;
2113
2114 default:
2115 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2116 rc = -EINVAL;
2117 break;
2118 }
2119
2120 if (rc == 0)
2121 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2122
2123 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2124
2125 return rc;
2126}
2127
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002128int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2129{
2130 /* The GPIO should be swapped if swap register is set and active */
2131 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2132 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2133 int gpio_shift = gpio_num +
2134 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2135 u32 gpio_mask = (1 << gpio_shift);
2136 u32 gpio_reg;
2137
2138 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2139 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2140 return -EINVAL;
2141 }
2142
2143 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2144 /* read GPIO int */
2145 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2146
2147 switch (mode) {
2148 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002149 DP(NETIF_MSG_LINK,
2150 "Clear GPIO INT %d (shift %d) -> output low\n",
2151 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002152 /* clear SET and set CLR */
2153 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2154 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2155 break;
2156
2157 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002158 DP(NETIF_MSG_LINK,
2159 "Set GPIO INT %d (shift %d) -> output high\n",
2160 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002161 /* clear CLR and set SET */
2162 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2163 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2164 break;
2165
2166 default:
2167 break;
2168 }
2169
2170 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2171 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2172
2173 return 0;
2174}
2175
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002176static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002177{
Eliezer Tamirf1410642008-02-28 11:51:50 -08002178 u32 spio_reg;
2179
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002180 /* Only 2 SPIOs are configurable */
2181 if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2182 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002183 return -EINVAL;
2184 }
2185
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002186 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002187 /* read SPIO and mask except the float bits */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002188 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002189
2190 switch (mode) {
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002191 case MISC_SPIO_OUTPUT_LOW:
2192 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002193 /* clear FLOAT and set CLR */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002194 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2195 spio_reg |= (spio << MISC_SPIO_CLR_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002196 break;
2197
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002198 case MISC_SPIO_OUTPUT_HIGH:
2199 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002200 /* clear FLOAT and set SET */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002201 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2202 spio_reg |= (spio << MISC_SPIO_SET_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002203 break;
2204
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002205 case MISC_SPIO_INPUT_HI_Z:
2206 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002207 /* set FLOAT */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002208 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002209 break;
2210
2211 default:
2212 break;
2213 }
2214
2215 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002216 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002217
2218 return 0;
2219}
2220
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002221void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002222{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002223 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002224 switch (bp->link_vars.ieee_fc &
2225 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002226 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002227 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002228 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002229 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002230
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002231 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002232 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002233 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002234 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002235
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002236 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002237 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002238 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002239
Eliezer Tamirf1410642008-02-28 11:51:50 -08002240 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002241 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002242 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002243 break;
2244 }
2245}
2246
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002247static void bnx2x_set_requested_fc(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002248{
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002249 /* Initialize link parameters structure variables
2250 * It is recommended to turn off RX FC for jumbo frames
2251 * for better performance
2252 */
2253 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
2254 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
2255 else
2256 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
2257}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002258
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002259int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
2260{
2261 int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
2262 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
2263
2264 if (!BP_NOMCP(bp)) {
2265 bnx2x_set_requested_fc(bp);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002266 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002267
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002268 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002269 struct link_params *lp = &bp->link_params;
2270 lp->loopback_mode = LOOPBACK_XGXS;
2271 /* do PHY loopback at 10G speed, if possible */
2272 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2273 if (lp->speed_cap_mask[cfx_idx] &
2274 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2275 lp->req_line_speed[cfx_idx] =
2276 SPEED_10000;
2277 else
2278 lp->req_line_speed[cfx_idx] =
2279 SPEED_1000;
2280 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002281 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002282
Merav Sicron8970b2e2012-06-19 07:48:22 +00002283 if (load_mode == LOAD_LOOPBACK_EXT) {
2284 struct link_params *lp = &bp->link_params;
2285 lp->loopback_mode = LOOPBACK_EXT;
2286 }
2287
Eilon Greenstein19680c42008-08-13 15:47:33 -07002288 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002289
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002290 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002291
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002292 bnx2x_calc_fc_adv(bp);
2293
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002294 if (bp->link_vars.link_up) {
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002295 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002296 bnx2x_link_report(bp);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002297 }
2298 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002299 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002300 return rc;
2301 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002302 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002303 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002304}
2305
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002306void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002307{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002308 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002309 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002310 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002311 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002312
Eilon Greenstein19680c42008-08-13 15:47:33 -07002313 bnx2x_calc_fc_adv(bp);
2314 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002315 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002316}
2317
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002318static void bnx2x__link_reset(struct bnx2x *bp)
2319{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002320 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002321 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002322 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002323 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002324 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002325 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002326}
2327
Yuval Mintz5d07d862012-09-13 02:56:21 +00002328void bnx2x_force_link_reset(struct bnx2x *bp)
2329{
2330 bnx2x_acquire_phy_lock(bp);
2331 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2332 bnx2x_release_phy_lock(bp);
2333}
2334
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002335u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002336{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002337 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002338
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002339 if (!BP_NOMCP(bp)) {
2340 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002341 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2342 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002343 bnx2x_release_phy_lock(bp);
2344 } else
2345 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002346
2347 return rc;
2348}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002350
Eilon Greenstein2691d512009-08-12 08:22:08 +00002351/* Calculates the sum of vn_min_rates.
2352 It's needed for further normalizing of the min_rates.
2353 Returns:
2354 sum of vn_min_rates.
2355 or
2356 0 - if all the min_rates are 0.
2357 In the later case fainess algorithm should be deactivated.
2358 If not all min_rates are zero then those that are zeroes will be set to 1.
2359 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002360static void bnx2x_calc_vn_min(struct bnx2x *bp,
2361 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002362{
2363 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002364 int vn;
2365
David S. Miller8decf862011-09-22 03:23:13 -04002366 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002367 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002368 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2369 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2370
2371 /* Skip hidden vns */
2372 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002373 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002374 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002375 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002376 vn_min_rate = DEF_MIN_RATE;
2377 else
2378 all_zero = 0;
2379
Yuval Mintzb475d782012-04-03 18:41:29 +00002380 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002381 }
2382
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002383 /* if ETS or all min rates are zeros - disable fairness */
2384 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002385 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002386 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2387 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2388 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002389 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002390 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002391 DP(NETIF_MSG_IFUP,
2392 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002393 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002394 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002395 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002396}
2397
Yuval Mintzb475d782012-04-03 18:41:29 +00002398static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2399 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002400{
Yuval Mintzb475d782012-04-03 18:41:29 +00002401 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002402 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002403
Yuval Mintzb475d782012-04-03 18:41:29 +00002404 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002405 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002406 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002407 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2408
Yuval Mintzb475d782012-04-03 18:41:29 +00002409 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002410 /* maxCfg in percents of linkspeed */
2411 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002412 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002413 /* maxCfg is absolute in 100Mb units */
2414 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002415 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002416
Yuval Mintzb475d782012-04-03 18:41:29 +00002417 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002418
Yuval Mintzb475d782012-04-03 18:41:29 +00002419 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002420}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002421
Yuval Mintzb475d782012-04-03 18:41:29 +00002422
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002423static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2424{
2425 if (CHIP_REV_IS_SLOW(bp))
2426 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002427 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002428 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002430 return CMNG_FNS_NONE;
2431}
2432
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002433void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002434{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002435 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002436
2437 if (BP_NOMCP(bp))
2438 return; /* what should be the default bvalue in this case */
2439
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002440 /* For 2 port configuration the absolute function number formula
2441 * is:
2442 * abs_func = 2 * vn + BP_PORT + BP_PATH
2443 *
2444 * and there are 4 functions per port
2445 *
2446 * For 4 port configuration it is
2447 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2448 *
2449 * and there are 2 functions per port
2450 */
David S. Miller8decf862011-09-22 03:23:13 -04002451 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002452 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2453
2454 if (func >= E1H_FUNC_MAX)
2455 break;
2456
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002457 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002458 MF_CFG_RD(bp, func_mf_config[func].config);
2459 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002460 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2461 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2462 bp->flags |= MF_FUNC_DIS;
2463 } else {
2464 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2465 bp->flags &= ~MF_FUNC_DIS;
2466 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002467}
2468
2469static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2470{
Yuval Mintzb475d782012-04-03 18:41:29 +00002471 struct cmng_init_input input;
2472 memset(&input, 0, sizeof(struct cmng_init_input));
2473
2474 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002475
2476 if (cmng_type == CMNG_FNS_MINMAX) {
2477 int vn;
2478
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002479 /* read mf conf from shmem */
2480 if (read_cfg)
2481 bnx2x_read_mf_cfg(bp);
2482
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002483 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002484 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002485
2486 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002487 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002488 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002489 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002490
2491 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002492 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002493 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002494
2495 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002496 return;
2497 }
2498
2499 /* rate shaping and fairness are disabled */
2500 DP(NETIF_MSG_IFUP,
2501 "rate shaping and fairness are disabled\n");
2502}
2503
Eric Dumazet1191cb82012-04-27 21:39:21 +00002504static void storm_memset_cmng(struct bnx2x *bp,
2505 struct cmng_init *cmng,
2506 u8 port)
2507{
2508 int vn;
2509 size_t size = sizeof(struct cmng_struct_per_port);
2510
2511 u32 addr = BAR_XSTRORM_INTMEM +
2512 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2513
2514 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2515
2516 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2517 int func = func_by_vn(bp, vn);
2518
2519 addr = BAR_XSTRORM_INTMEM +
2520 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2521 size = sizeof(struct rate_shaping_vars_per_vn);
2522 __storm_memset_struct(bp, addr, size,
2523 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2524
2525 addr = BAR_XSTRORM_INTMEM +
2526 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2527 size = sizeof(struct fairness_vars_per_vn);
2528 __storm_memset_struct(bp, addr, size,
2529 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2530 }
2531}
2532
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002533/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002534static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002535{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002536 /* Make sure that we are synced with the current statistics */
2537 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2538
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002539 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002540
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002541 if (bp->link_vars.link_up) {
2542
Eilon Greenstein1c063282009-02-12 08:36:43 +00002543 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002544 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002545 int port = BP_PORT(bp);
2546 u32 pause_enabled = 0;
2547
2548 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2549 pause_enabled = 1;
2550
2551 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002552 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002553 pause_enabled);
2554 }
2555
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002556 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002557 struct host_port_stats *pstats;
2558
2559 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002560 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002561 memset(&(pstats->mac_stx[0]), 0,
2562 sizeof(struct mac_stx));
2563 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002564 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002565 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2566 }
2567
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002568 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2569 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002571 if (cmng_fns != CMNG_FNS_NONE) {
2572 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2573 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2574 } else
2575 /* rate shaping and fairness are disabled */
2576 DP(NETIF_MSG_IFUP,
2577 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002578 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002579
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002580 __bnx2x_link_report(bp);
2581
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002582 if (IS_MF(bp))
2583 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002584}
2585
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002586void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002587{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002588 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002589 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002590
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002591 /* read updated dcb configuration */
Ariel Eliorad5afc82013-01-01 05:22:26 +00002592 if (IS_PF(bp)) {
2593 bnx2x_dcbx_pmf_update(bp);
2594 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2595 if (bp->link_vars.link_up)
2596 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2597 else
2598 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2599 /* indicate link status */
2600 bnx2x_link_report(bp);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002601
Ariel Eliorad5afc82013-01-01 05:22:26 +00002602 } else { /* VF */
2603 bp->port.supported[0] |= (SUPPORTED_10baseT_Half |
2604 SUPPORTED_10baseT_Full |
2605 SUPPORTED_100baseT_Half |
2606 SUPPORTED_100baseT_Full |
2607 SUPPORTED_1000baseT_Full |
2608 SUPPORTED_2500baseX_Full |
2609 SUPPORTED_10000baseT_Full |
2610 SUPPORTED_TP |
2611 SUPPORTED_FIBRE |
2612 SUPPORTED_Autoneg |
2613 SUPPORTED_Pause |
2614 SUPPORTED_Asym_Pause);
2615 bp->port.advertising[0] = bp->port.supported[0];
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002616
Ariel Eliorad5afc82013-01-01 05:22:26 +00002617 bp->link_params.bp = bp;
2618 bp->link_params.port = BP_PORT(bp);
2619 bp->link_params.req_duplex[0] = DUPLEX_FULL;
2620 bp->link_params.req_flow_ctrl[0] = BNX2X_FLOW_CTRL_NONE;
2621 bp->link_params.req_line_speed[0] = SPEED_10000;
2622 bp->link_params.speed_cap_mask[0] = 0x7f0000;
2623 bp->link_params.switch_cfg = SWITCH_CFG_10G;
2624 bp->link_vars.mac_type = MAC_TYPE_BMAC;
2625 bp->link_vars.line_speed = SPEED_10000;
2626 bp->link_vars.link_status =
2627 (LINK_STATUS_LINK_UP |
2628 LINK_STATUS_SPEED_AND_DUPLEX_10GTFD);
2629 bp->link_vars.link_up = 1;
2630 bp->link_vars.duplex = DUPLEX_FULL;
2631 bp->link_vars.flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2632 __bnx2x_link_report(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002633 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Ariel Eliorad5afc82013-01-01 05:22:26 +00002634 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002635}
2636
Barak Witkowskia3348722012-04-23 03:04:46 +00002637static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2638 u16 vlan_val, u8 allowed_prio)
2639{
Yuval Mintz86564c32013-01-23 03:21:50 +00002640 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002641 struct bnx2x_func_afex_update_params *f_update_params =
2642 &func_params.params.afex_update;
2643
2644 func_params.f_obj = &bp->func_obj;
2645 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2646
2647 /* no need to wait for RAMROD completion, so don't
2648 * set RAMROD_COMP_WAIT flag
2649 */
2650
2651 f_update_params->vif_id = vifid;
2652 f_update_params->afex_default_vlan = vlan_val;
2653 f_update_params->allowed_priorities = allowed_prio;
2654
2655 /* if ramrod can not be sent, response to MCP immediately */
2656 if (bnx2x_func_state_change(bp, &func_params) < 0)
2657 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2658
2659 return 0;
2660}
2661
2662static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2663 u16 vif_index, u8 func_bit_map)
2664{
Yuval Mintz86564c32013-01-23 03:21:50 +00002665 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002666 struct bnx2x_func_afex_viflists_params *update_params =
2667 &func_params.params.afex_viflists;
2668 int rc;
2669 u32 drv_msg_code;
2670
2671 /* validate only LIST_SET and LIST_GET are received from switch */
2672 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2673 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2674 cmd_type);
2675
2676 func_params.f_obj = &bp->func_obj;
2677 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2678
2679 /* set parameters according to cmd_type */
2680 update_params->afex_vif_list_command = cmd_type;
Yuval Mintz86564c32013-01-23 03:21:50 +00002681 update_params->vif_list_index = vif_index;
Barak Witkowskia3348722012-04-23 03:04:46 +00002682 update_params->func_bit_map =
2683 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2684 update_params->func_to_clear = 0;
2685 drv_msg_code =
2686 (cmd_type == VIF_LIST_RULE_GET) ?
2687 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2688 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2689
2690 /* if ramrod can not be sent, respond to MCP immediately for
2691 * SET and GET requests (other are not triggered from MCP)
2692 */
2693 rc = bnx2x_func_state_change(bp, &func_params);
2694 if (rc < 0)
2695 bnx2x_fw_command(bp, drv_msg_code, 0);
2696
2697 return 0;
2698}
2699
2700static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2701{
2702 struct afex_stats afex_stats;
2703 u32 func = BP_ABS_FUNC(bp);
2704 u32 mf_config;
2705 u16 vlan_val;
2706 u32 vlan_prio;
2707 u16 vif_id;
2708 u8 allowed_prio;
2709 u8 vlan_mode;
2710 u32 addr_to_write, vifid, addrs, stats_type, i;
2711
2712 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2713 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2714 DP(BNX2X_MSG_MCP,
2715 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2716 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2717 }
2718
2719 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2720 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2721 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2722 DP(BNX2X_MSG_MCP,
2723 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2724 vifid, addrs);
2725 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2726 addrs);
2727 }
2728
2729 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2730 addr_to_write = SHMEM2_RD(bp,
2731 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2732 stats_type = SHMEM2_RD(bp,
2733 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2734
2735 DP(BNX2X_MSG_MCP,
2736 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2737 addr_to_write);
2738
2739 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2740
2741 /* write response to scratchpad, for MCP */
2742 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2743 REG_WR(bp, addr_to_write + i*sizeof(u32),
2744 *(((u32 *)(&afex_stats))+i));
2745
2746 /* send ack message to MCP */
2747 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2748 }
2749
2750 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2751 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2752 bp->mf_config[BP_VN(bp)] = mf_config;
2753 DP(BNX2X_MSG_MCP,
2754 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2755 mf_config);
2756
2757 /* if VIF_SET is "enabled" */
2758 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2759 /* set rate limit directly to internal RAM */
2760 struct cmng_init_input cmng_input;
2761 struct rate_shaping_vars_per_vn m_rs_vn;
2762 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2763 u32 addr = BAR_XSTRORM_INTMEM +
2764 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2765
2766 bp->mf_config[BP_VN(bp)] = mf_config;
2767
2768 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2769 m_rs_vn.vn_counter.rate =
2770 cmng_input.vnic_max_rate[BP_VN(bp)];
2771 m_rs_vn.vn_counter.quota =
2772 (m_rs_vn.vn_counter.rate *
2773 RS_PERIODIC_TIMEOUT_USEC) / 8;
2774
2775 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2776
2777 /* read relevant values from mf_cfg struct in shmem */
2778 vif_id =
2779 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2780 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2781 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2782 vlan_val =
2783 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2784 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2785 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2786 vlan_prio = (mf_config &
2787 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2788 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2789 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2790 vlan_mode =
2791 (MF_CFG_RD(bp,
2792 func_mf_config[func].afex_config) &
2793 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2794 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2795 allowed_prio =
2796 (MF_CFG_RD(bp,
2797 func_mf_config[func].afex_config) &
2798 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2799 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2800
2801 /* send ramrod to FW, return in case of failure */
2802 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2803 allowed_prio))
2804 return;
2805
2806 bp->afex_def_vlan_tag = vlan_val;
2807 bp->afex_vlan_mode = vlan_mode;
2808 } else {
2809 /* notify link down because BP->flags is disabled */
2810 bnx2x_link_report(bp);
2811
2812 /* send INVALID VIF ramrod to FW */
2813 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2814
2815 /* Reset the default afex VLAN */
2816 bp->afex_def_vlan_tag = -1;
2817 }
2818 }
2819}
2820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002821static void bnx2x_pmf_update(struct bnx2x *bp)
2822{
2823 int port = BP_PORT(bp);
2824 u32 val;
2825
2826 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002827 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002828
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002829 /*
2830 * We need the mb() to ensure the ordering between the writing to
2831 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2832 */
2833 smp_mb();
2834
2835 /* queue a periodic task */
2836 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2837
Dmitry Kravkovef018542011-06-14 01:33:57 +00002838 bnx2x_dcbx_pmf_update(bp);
2839
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002840 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002841 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002842 if (bp->common.int_block == INT_BLOCK_HC) {
2843 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2844 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002845 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002846 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2847 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2848 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002849
2850 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002851}
2852
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002853/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002854
2855/* slow path */
2856
2857/*
2858 * General service functions
2859 */
2860
Eilon Greenstein2691d512009-08-12 08:22:08 +00002861/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002862u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002863{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002864 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002865 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002866 u32 rc = 0;
2867 u32 cnt = 1;
2868 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2869
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002870 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002871 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002872 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2873 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2874
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002875 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2876 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002877
2878 do {
2879 /* let the FW do it's magic ... */
2880 msleep(delay);
2881
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002882 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002883
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002884 /* Give the FW up to 5 second (500*10ms) */
2885 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002886
2887 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2888 cnt*delay, rc, seq);
2889
2890 /* is this a reply to our command? */
2891 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2892 rc &= FW_MSG_CODE_MASK;
2893 else {
2894 /* FW BUG! */
2895 BNX2X_ERR("FW failed to respond!\n");
2896 bnx2x_fw_dump(bp);
2897 rc = 0;
2898 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002899 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002900
2901 return rc;
2902}
2903
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002904
Eric Dumazet1191cb82012-04-27 21:39:21 +00002905static void storm_memset_func_cfg(struct bnx2x *bp,
2906 struct tstorm_eth_function_common_config *tcfg,
2907 u16 abs_fid)
2908{
2909 size_t size = sizeof(struct tstorm_eth_function_common_config);
2910
2911 u32 addr = BAR_TSTRORM_INTMEM +
2912 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2913
2914 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2915}
2916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002917void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002918{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002919 if (CHIP_IS_E1x(bp)) {
2920 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002921
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002922 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2923 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002924
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002925 /* Enable the function in the FW */
2926 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2927 storm_memset_func_en(bp, p->func_id, 1);
2928
2929 /* spq */
2930 if (p->func_flgs & FUNC_FLG_SPQ) {
2931 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2932 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2933 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2934 }
2935}
2936
Ariel Elior6383c0b2011-07-14 08:31:57 +00002937/**
2938 * bnx2x_get_tx_only_flags - Return common flags
2939 *
2940 * @bp device handle
2941 * @fp queue handle
2942 * @zero_stats TRUE if statistics zeroing is needed
2943 *
2944 * Return the flags that are common for the Tx-only and not normal connections.
2945 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002946static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2947 struct bnx2x_fastpath *fp,
2948 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002949{
2950 unsigned long flags = 0;
2951
2952 /* PF driver will always initialize the Queue to an ACTIVE state */
2953 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2954
Ariel Elior6383c0b2011-07-14 08:31:57 +00002955 /* tx only connections collect statistics (on the same index as the
2956 * parent connection). The statistics are zeroed when the parent
2957 * connection is initialized.
2958 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002959
2960 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2961 if (zero_stats)
2962 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2963
Ariel Elior6383c0b2011-07-14 08:31:57 +00002964
Yuval Mintz823e1d92013-01-14 05:11:47 +00002965#ifdef BNX2X_STOP_ON_ERROR
2966 __set_bit(BNX2X_Q_FLG_TX_SEC, &flags);
2967#endif
2968
Ariel Elior6383c0b2011-07-14 08:31:57 +00002969 return flags;
2970}
2971
Eric Dumazet1191cb82012-04-27 21:39:21 +00002972static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2973 struct bnx2x_fastpath *fp,
2974 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002975{
2976 unsigned long flags = 0;
2977
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002978 /* calculate other queue flags */
2979 if (IS_MF_SD(bp))
2980 __set_bit(BNX2X_Q_FLG_OV, &flags);
2981
Barak Witkowskia3348722012-04-23 03:04:46 +00002982 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002983 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002984 /* For FCoE - force usage of default priority (for afex) */
2985 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2986 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002987
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002988 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002989 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002990 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002991 if (fp->mode == TPA_MODE_GRO)
2992 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002993 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002994
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002995 if (leading) {
2996 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2997 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2998 }
2999
3000 /* Always set HW VLAN stripping */
3001 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003002
Barak Witkowskia3348722012-04-23 03:04:46 +00003003 /* configure silent vlan removal */
3004 if (IS_MF_AFEX(bp))
3005 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
3006
Ariel Elior6383c0b2011-07-14 08:31:57 +00003007
3008 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003009}
3010
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003011static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003012 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
3013 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003014{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003015 gen_init->stat_id = bnx2x_stats_id(fp);
3016 gen_init->spcl_id = fp->cl_id;
3017
3018 /* Always use mini-jumbo MTU for FCoE L2 ring */
3019 if (IS_FCOE_FP(fp))
3020 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
3021 else
3022 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003023
3024 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003025}
3026
3027static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
3028 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
3029 struct bnx2x_rxq_setup_params *rxq_init)
3030{
3031 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003032 u16 sge_sz = 0;
3033 u16 tpa_agg_size = 0;
3034
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003035 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04003036 pause->sge_th_lo = SGE_TH_LO(bp);
3037 pause->sge_th_hi = SGE_TH_HI(bp);
3038
3039 /* validate SGE ring has enough to cross high threshold */
3040 WARN_ON(bp->dropless_fc &&
3041 pause->sge_th_hi + FW_PREFETCH_CNT >
3042 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
3043
Yuval Mintz924d75a2013-01-23 03:21:44 +00003044 tpa_agg_size = TPA_AGG_SIZE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003045 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
3046 SGE_PAGE_SHIFT;
3047 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
3048 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
Yuval Mintz924d75a2013-01-23 03:21:44 +00003049 sge_sz = (u16)min_t(u32, SGE_PAGES, 0xffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003050 }
3051
3052 /* pause - not for e1 */
3053 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04003054 pause->bd_th_lo = BD_TH_LO(bp);
3055 pause->bd_th_hi = BD_TH_HI(bp);
3056
3057 pause->rcq_th_lo = RCQ_TH_LO(bp);
3058 pause->rcq_th_hi = RCQ_TH_HI(bp);
3059 /*
3060 * validate that rings have enough entries to cross
3061 * high thresholds
3062 */
3063 WARN_ON(bp->dropless_fc &&
3064 pause->bd_th_hi + FW_PREFETCH_CNT >
3065 bp->rx_ring_size);
3066 WARN_ON(bp->dropless_fc &&
3067 pause->rcq_th_hi + FW_PREFETCH_CNT >
3068 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003069
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003070 pause->pri_map = 1;
3071 }
3072
3073 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003074 rxq_init->dscr_map = fp->rx_desc_mapping;
3075 rxq_init->sge_map = fp->rx_sge_mapping;
3076 rxq_init->rcq_map = fp->rx_comp_mapping;
3077 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003078
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003079 /* This should be a maximum number of data bytes that may be
3080 * placed on the BD (not including paddings).
3081 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00003082 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
3083 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003084
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003085 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003086 rxq_init->tpa_agg_sz = tpa_agg_size;
3087 rxq_init->sge_buf_sz = sge_sz;
3088 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003089 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00003090 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003091
3092 /* Maximum number or simultaneous TPA aggregation for this Queue.
3093 *
Yuval Mintz2de67432013-01-23 03:21:43 +00003094 * For PF Clients it should be the maximum available number.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003095 * VF driver(s) may want to define it to a smaller value.
3096 */
David S. Miller8decf862011-09-22 03:23:13 -04003097 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003098
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003099 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
3100 rxq_init->fw_sb_id = fp->fw_sb_id;
3101
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003102 if (IS_FCOE_FP(fp))
3103 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
3104 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00003105 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00003106 /* configure silent vlan removal
3107 * if multi function mode is afex, then mask default vlan
3108 */
3109 if (IS_MF_AFEX(bp)) {
3110 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
3111 rxq_init->silent_removal_mask = VLAN_VID_MASK;
3112 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003113}
3114
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003115static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003116 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
3117 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003118{
Merav Sicron65565882012-06-19 07:48:26 +00003119 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003120 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003121 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
3122 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003123
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003124 /*
3125 * set the tss leading client id for TX classfication ==
3126 * leading RSS client id
3127 */
3128 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
3129
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003130 if (IS_FCOE_FP(fp)) {
3131 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
3132 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
3133 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003134}
3135
stephen hemminger8d962862010-10-21 07:50:56 +00003136static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003137{
3138 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003139 struct event_ring_data eq_data = { {0} };
3140 u16 flags;
3141
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003142 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003143 /* reset IGU PF statistics: MSIX + ATTN */
3144 /* PF */
3145 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3146 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3147 (CHIP_MODE_IS_4_PORT(bp) ?
3148 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3149 /* ATTN */
3150 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3151 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3152 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
3153 (CHIP_MODE_IS_4_PORT(bp) ?
3154 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3155 }
3156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003157 /* function setup flags */
3158 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
3159
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003160 /* This flag is relevant for E1x only.
3161 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003162 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003163 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003164
3165 func_init.func_flgs = flags;
3166 func_init.pf_id = BP_FUNC(bp);
3167 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003168 func_init.spq_map = bp->spq_mapping;
3169 func_init.spq_prod = bp->spq_prod_idx;
3170
3171 bnx2x_func_init(bp, &func_init);
3172
3173 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3174
3175 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003176 * Congestion management values depend on the link rate
3177 * There is no active link so initial link rate is set to 10 Gbps.
3178 * When the link comes up The congestion management values are
3179 * re-calculated according to the actual link rate.
3180 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003181 bp->link_vars.line_speed = SPEED_10000;
3182 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3183
3184 /* Only the PMF sets the HW */
3185 if (bp->port.pmf)
3186 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3187
Yuval Mintz86564c32013-01-23 03:21:50 +00003188 /* init Event Queue - PCI bus guarantees correct endianity*/
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003189 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3190 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3191 eq_data.producer = bp->eq_prod;
3192 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3193 eq_data.sb_id = DEF_SB_ID;
3194 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3195}
3196
3197
Eilon Greenstein2691d512009-08-12 08:22:08 +00003198static void bnx2x_e1h_disable(struct bnx2x *bp)
3199{
3200 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003201
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003202 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003203
3204 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003205}
3206
3207static void bnx2x_e1h_enable(struct bnx2x *bp)
3208{
3209 int port = BP_PORT(bp);
3210
3211 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3212
Eilon Greenstein2691d512009-08-12 08:22:08 +00003213 /* Tx queue should be only reenabled */
3214 netif_tx_wake_all_queues(bp->dev);
3215
Eilon Greenstein061bc702009-10-15 00:18:47 -07003216 /*
3217 * Should not call netif_carrier_on since it will be called if the link
3218 * is up when checking for link state
3219 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003220}
3221
Barak Witkowski1d187b32011-12-05 22:41:50 +00003222#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3223
3224static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3225{
3226 struct eth_stats_info *ether_stat =
3227 &bp->slowpath->drv_info_to_mcp.ether_stat;
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003228 struct bnx2x_vlan_mac_obj *mac_obj =
3229 &bp->sp_objs->mac_obj;
3230 int i;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003231
Dan Carpenter786fdf02012-10-02 01:47:46 +00003232 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3233 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003234
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003235 /* get DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED macs, placing them in the
3236 * mac_local field in ether_stat struct. The base address is offset by 2
3237 * bytes to account for the field being 8 bytes but a mac address is
3238 * only 6 bytes. Likewise, the stride for the get_n_elements function is
3239 * 2 bytes to compensate from the 6 bytes of a mac to the 8 bytes
3240 * allocated by the ether_stat struct, so the macs will land in their
3241 * proper positions.
3242 */
3243 for (i = 0; i < DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED; i++)
3244 memset(ether_stat->mac_local + i, 0,
3245 sizeof(ether_stat->mac_local[0]));
3246 mac_obj->get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3247 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3248 ether_stat->mac_local + MAC_PAD, MAC_PAD,
3249 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003250 ether_stat->mtu_size = bp->dev->mtu;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003251 if (bp->dev->features & NETIF_F_RXCSUM)
3252 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3253 if (bp->dev->features & NETIF_F_TSO)
3254 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3255 ether_stat->feature_flags |= bp->common.boot_mode;
3256
3257 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3258
3259 ether_stat->txq_size = bp->tx_ring_size;
3260 ether_stat->rxq_size = bp->rx_ring_size;
3261}
3262
3263static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3264{
3265 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3266 struct fcoe_stats_info *fcoe_stat =
3267 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3268
Merav Sicron55c11942012-11-07 00:45:48 +00003269 if (!CNIC_LOADED(bp))
3270 return;
3271
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003272 memcpy(fcoe_stat->mac_local + MAC_PAD, bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003273
3274 fcoe_stat->qos_priority =
3275 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3276
3277 /* insert FCoE stats from ramrod response */
3278 if (!NO_FCOE(bp)) {
3279 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003280 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003281 tstorm_queue_statistics;
3282
3283 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003284 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003285 xstorm_queue_statistics;
3286
3287 struct fcoe_statistics_params *fw_fcoe_stat =
3288 &bp->fw_stats_data->fcoe;
3289
Yuval Mintz86564c32013-01-23 03:21:50 +00003290 ADD_64_LE(fcoe_stat->rx_bytes_hi, LE32_0,
3291 fcoe_stat->rx_bytes_lo,
3292 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003293
Yuval Mintz86564c32013-01-23 03:21:50 +00003294 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3295 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3296 fcoe_stat->rx_bytes_lo,
3297 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003298
Yuval Mintz86564c32013-01-23 03:21:50 +00003299 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3300 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3301 fcoe_stat->rx_bytes_lo,
3302 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003303
Yuval Mintz86564c32013-01-23 03:21:50 +00003304 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3305 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3306 fcoe_stat->rx_bytes_lo,
3307 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003308
Yuval Mintz86564c32013-01-23 03:21:50 +00003309 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3310 fcoe_stat->rx_frames_lo,
3311 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003312
Yuval Mintz86564c32013-01-23 03:21:50 +00003313 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3314 fcoe_stat->rx_frames_lo,
3315 fcoe_q_tstorm_stats->rcv_ucast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003316
Yuval Mintz86564c32013-01-23 03:21:50 +00003317 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3318 fcoe_stat->rx_frames_lo,
3319 fcoe_q_tstorm_stats->rcv_bcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003320
Yuval Mintz86564c32013-01-23 03:21:50 +00003321 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3322 fcoe_stat->rx_frames_lo,
3323 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003324
Yuval Mintz86564c32013-01-23 03:21:50 +00003325 ADD_64_LE(fcoe_stat->tx_bytes_hi, LE32_0,
3326 fcoe_stat->tx_bytes_lo,
3327 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003328
Yuval Mintz86564c32013-01-23 03:21:50 +00003329 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3330 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3331 fcoe_stat->tx_bytes_lo,
3332 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003333
Yuval Mintz86564c32013-01-23 03:21:50 +00003334 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3335 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3336 fcoe_stat->tx_bytes_lo,
3337 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003338
Yuval Mintz86564c32013-01-23 03:21:50 +00003339 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3340 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3341 fcoe_stat->tx_bytes_lo,
3342 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003343
Yuval Mintz86564c32013-01-23 03:21:50 +00003344 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3345 fcoe_stat->tx_frames_lo,
3346 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003347
Yuval Mintz86564c32013-01-23 03:21:50 +00003348 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3349 fcoe_stat->tx_frames_lo,
3350 fcoe_q_xstorm_stats->ucast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003351
Yuval Mintz86564c32013-01-23 03:21:50 +00003352 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3353 fcoe_stat->tx_frames_lo,
3354 fcoe_q_xstorm_stats->bcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003355
Yuval Mintz86564c32013-01-23 03:21:50 +00003356 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3357 fcoe_stat->tx_frames_lo,
3358 fcoe_q_xstorm_stats->mcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003359 }
3360
Barak Witkowski1d187b32011-12-05 22:41:50 +00003361 /* ask L5 driver to add data to the struct */
3362 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003363}
3364
3365static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3366{
3367 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3368 struct iscsi_stats_info *iscsi_stat =
3369 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3370
Merav Sicron55c11942012-11-07 00:45:48 +00003371 if (!CNIC_LOADED(bp))
3372 return;
3373
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003374 memcpy(iscsi_stat->mac_local + MAC_PAD, bp->cnic_eth_dev.iscsi_mac,
3375 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003376
3377 iscsi_stat->qos_priority =
3378 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3379
Barak Witkowski1d187b32011-12-05 22:41:50 +00003380 /* ask L5 driver to add data to the struct */
3381 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003382}
3383
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003384/* called due to MCP event (on pmf):
3385 * reread new bandwidth configuration
3386 * configure FW
3387 * notify others function about the change
3388 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003389static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003390{
3391 if (bp->link_vars.link_up) {
3392 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3393 bnx2x_link_sync_notify(bp);
3394 }
3395 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3396}
3397
Eric Dumazet1191cb82012-04-27 21:39:21 +00003398static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003399{
3400 bnx2x_config_mf_bw(bp);
3401 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3402}
3403
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003404static void bnx2x_handle_eee_event(struct bnx2x *bp)
3405{
3406 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3407 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3408}
3409
Barak Witkowski1d187b32011-12-05 22:41:50 +00003410static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3411{
3412 enum drv_info_opcode op_code;
3413 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3414
3415 /* if drv_info version supported by MFW doesn't match - send NACK */
3416 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3417 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3418 return;
3419 }
3420
3421 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3422 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3423
3424 memset(&bp->slowpath->drv_info_to_mcp, 0,
3425 sizeof(union drv_info_to_mcp));
3426
3427 switch (op_code) {
3428 case ETH_STATS_OPCODE:
3429 bnx2x_drv_info_ether_stat(bp);
3430 break;
3431 case FCOE_STATS_OPCODE:
3432 bnx2x_drv_info_fcoe_stat(bp);
3433 break;
3434 case ISCSI_STATS_OPCODE:
3435 bnx2x_drv_info_iscsi_stat(bp);
3436 break;
3437 default:
3438 /* if op code isn't supported - send NACK */
3439 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3440 return;
3441 }
3442
3443 /* if we got drv_info attn from MFW then these fields are defined in
3444 * shmem2 for sure
3445 */
3446 SHMEM2_WR(bp, drv_info_host_addr_lo,
3447 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3448 SHMEM2_WR(bp, drv_info_host_addr_hi,
3449 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3450
3451 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3452}
3453
Eilon Greenstein2691d512009-08-12 08:22:08 +00003454static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3455{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003456 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003457
3458 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3459
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003460 /*
3461 * This is the only place besides the function initialization
3462 * where the bp->flags can change so it is done without any
3463 * locks
3464 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003465 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003466 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003467 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003468
3469 bnx2x_e1h_disable(bp);
3470 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003471 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003472 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003473
3474 bnx2x_e1h_enable(bp);
3475 }
3476 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3477 }
3478 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003479 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003480 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3481 }
3482
3483 /* Report results to MCP */
3484 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003485 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003486 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003487 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003488}
3489
Michael Chan289129022009-10-10 13:46:53 +00003490/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003491static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003492{
3493 struct eth_spe *next_spe = bp->spq_prod_bd;
3494
3495 if (bp->spq_prod_bd == bp->spq_last_bd) {
3496 bp->spq_prod_bd = bp->spq;
3497 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003498 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan289129022009-10-10 13:46:53 +00003499 } else {
3500 bp->spq_prod_bd++;
3501 bp->spq_prod_idx++;
3502 }
3503 return next_spe;
3504}
3505
3506/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003507static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003508{
3509 int func = BP_FUNC(bp);
3510
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003511 /*
3512 * Make sure that BD data is updated before writing the producer:
3513 * BD data is written to the memory, the producer is read from the
3514 * memory, thus we need a full memory barrier to ensure the ordering.
3515 */
3516 mb();
Michael Chan289129022009-10-10 13:46:53 +00003517
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003518 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003519 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00003520 mmiowb();
3521}
3522
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003523/**
3524 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3525 *
3526 * @cmd: command to check
3527 * @cmd_type: command type
3528 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003529static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003530{
3531 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003532 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003533 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3534 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3535 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3536 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3537 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3538 return true;
3539 else
3540 return false;
3541
3542}
3543
3544
3545/**
3546 * bnx2x_sp_post - place a single command on an SP ring
3547 *
3548 * @bp: driver handle
3549 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3550 * @cid: SW CID the command is related to
3551 * @data_hi: command private data address (high 32 bits)
3552 * @data_lo: command private data address (low 32 bits)
3553 * @cmd_type: command type (e.g. NONE, ETH)
3554 *
3555 * SP data is handled as if it's always an address pair, thus data fields are
3556 * not swapped to little endian in upper functions. Instead this function swaps
3557 * data as if it's two u32 fields.
3558 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003559int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003560 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003561{
Michael Chan289129022009-10-10 13:46:53 +00003562 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003563 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003564 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003565
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003566#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003567 if (unlikely(bp->panic)) {
3568 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003570 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571#endif
3572
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003573 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003574
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003575 if (common) {
3576 if (!atomic_read(&bp->eq_spq_left)) {
3577 BNX2X_ERR("BUG! EQ ring full!\n");
3578 spin_unlock_bh(&bp->spq_lock);
3579 bnx2x_panic();
3580 return -EBUSY;
3581 }
3582 } else if (!atomic_read(&bp->cq_spq_left)) {
3583 BNX2X_ERR("BUG! SPQ ring full!\n");
3584 spin_unlock_bh(&bp->spq_lock);
3585 bnx2x_panic();
3586 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003587 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003588
Michael Chan289129022009-10-10 13:46:53 +00003589 spe = bnx2x_sp_get_next(bp);
3590
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003591 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00003592 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003593 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3594 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003595
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003596 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003597
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003598 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3599 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003600
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003601 spe->hdr.type = cpu_to_le16(type);
3602
3603 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3604 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3605
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003606 /*
3607 * It's ok if the actual decrement is issued towards the memory
3608 * somewhere between the spin_lock and spin_unlock. Thus no
3609 * more explict memory barrier is needed.
3610 */
3611 if (common)
3612 atomic_dec(&bp->eq_spq_left);
3613 else
3614 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003615
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003616
Merav Sicron51c1a582012-03-18 10:33:38 +00003617 DP(BNX2X_MSG_SP,
3618 "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 +00003619 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3620 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003621 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003622 HW_CID(bp, cid), data_hi, data_lo, type,
3623 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003624
Michael Chan289129022009-10-10 13:46:53 +00003625 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003626 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003627 return 0;
3628}
3629
3630/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003631static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003632{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003633 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003634 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003635
3636 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003637 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003638 val = (1UL << 31);
3639 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3640 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3641 if (val & (1L << 31))
3642 break;
3643
3644 msleep(5);
3645 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003646 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003647 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003648 rc = -EBUSY;
3649 }
3650
3651 return rc;
3652}
3653
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003654/* release split MCP access lock register */
3655static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003656{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003657 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003658}
3659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003660#define BNX2X_DEF_SB_ATT_IDX 0x0001
3661#define BNX2X_DEF_SB_IDX 0x0002
3662
Eric Dumazet1191cb82012-04-27 21:39:21 +00003663static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003664{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003665 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003666 u16 rc = 0;
3667
3668 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003669 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3670 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003671 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003672 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003673
3674 if (bp->def_idx != def_sb->sp_sb.running_index) {
3675 bp->def_idx = def_sb->sp_sb.running_index;
3676 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003677 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003678
3679 /* Do not reorder: indecies reading should complete before handling */
3680 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003681 return rc;
3682}
3683
3684/*
3685 * slow path service functions
3686 */
3687
3688static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3689{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003690 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003691 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3692 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003693 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3694 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003695 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003696 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003697 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003698
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003699 if (bp->attn_state & asserted)
3700 BNX2X_ERR("IGU ERROR\n");
3701
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003702 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3703 aeu_mask = REG_RD(bp, aeu_addr);
3704
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003705 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003706 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003707 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003708 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003709
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003710 REG_WR(bp, aeu_addr, aeu_mask);
3711 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003712
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003713 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003714 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003715 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003716
3717 if (asserted & ATTN_HARD_WIRED_MASK) {
3718 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003719
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003720 bnx2x_acquire_phy_lock(bp);
3721
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003722 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003723 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003724
Yaniv Rosner361c3912011-06-14 01:33:19 +00003725 /* If nig_mask is not set, no need to call the update
3726 * function.
3727 */
3728 if (nig_mask) {
3729 REG_WR(bp, nig_int_mask_addr, 0);
3730
3731 bnx2x_link_attn(bp);
3732 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003733
3734 /* handle unicore attn? */
3735 }
3736 if (asserted & ATTN_SW_TIMER_4_FUNC)
3737 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3738
3739 if (asserted & GPIO_2_FUNC)
3740 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3741
3742 if (asserted & GPIO_3_FUNC)
3743 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3744
3745 if (asserted & GPIO_4_FUNC)
3746 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3747
3748 if (port == 0) {
3749 if (asserted & ATTN_GENERAL_ATTN_1) {
3750 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3751 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3752 }
3753 if (asserted & ATTN_GENERAL_ATTN_2) {
3754 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3755 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3756 }
3757 if (asserted & ATTN_GENERAL_ATTN_3) {
3758 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3759 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3760 }
3761 } else {
3762 if (asserted & ATTN_GENERAL_ATTN_4) {
3763 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3764 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3765 }
3766 if (asserted & ATTN_GENERAL_ATTN_5) {
3767 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3768 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3769 }
3770 if (asserted & ATTN_GENERAL_ATTN_6) {
3771 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3772 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3773 }
3774 }
3775
3776 } /* if hardwired */
3777
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003778 if (bp->common.int_block == INT_BLOCK_HC)
3779 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3780 COMMAND_REG_ATTN_BITS_SET);
3781 else
3782 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3783
3784 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3785 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3786 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787
3788 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003789 if (asserted & ATTN_NIG_FOR_FUNC) {
Yaniv Rosner27c11512012-12-02 04:05:54 +00003790 /* Verify that IGU ack through BAR was written before restoring
3791 * NIG mask. This loop should exit after 2-3 iterations max.
3792 */
3793 if (bp->common.int_block != INT_BLOCK_HC) {
3794 u32 cnt = 0, igu_acked;
3795 do {
3796 igu_acked = REG_RD(bp,
3797 IGU_REG_ATTENTION_ACK_BITS);
3798 } while (((igu_acked & ATTN_NIG_FOR_FUNC) == 0) &&
3799 (++cnt < MAX_IGU_ATTN_ACK_TO));
3800 if (!igu_acked)
3801 DP(NETIF_MSG_HW,
3802 "Failed to verify IGU ack on time\n");
3803 barrier();
3804 }
Eilon Greenstein87942b42009-02-12 08:36:49 +00003805 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003806 bnx2x_release_phy_lock(bp);
3807 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003808}
3809
Eric Dumazet1191cb82012-04-27 21:39:21 +00003810static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003811{
3812 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003813 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003814 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003815 ext_phy_config =
3816 SHMEM_RD(bp,
3817 dev_info.port_hw_config[port].external_phy_config);
3818
3819 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3820 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003821 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003822 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003823
3824 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003825 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3826 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003827
3828 /*
Yuval Mintz2de67432013-01-23 03:21:43 +00003829 * Schedule device reset (unload)
Ariel Elior83048592011-11-13 04:34:29 +00003830 * This is due to some boards consuming sufficient power when driver is
3831 * up to overheat if fan fails.
3832 */
3833 smp_mb__before_clear_bit();
3834 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3835 smp_mb__after_clear_bit();
3836 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3837
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003838}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003839
Eric Dumazet1191cb82012-04-27 21:39:21 +00003840static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003841{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003842 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003843 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003844 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003845
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003846 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3847 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003848
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003849 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003850
3851 val = REG_RD(bp, reg_offset);
3852 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3853 REG_WR(bp, reg_offset, val);
3854
3855 BNX2X_ERR("SPIO5 hw attention\n");
3856
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003857 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003858 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003859 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003860 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003861
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003862 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003863 bnx2x_acquire_phy_lock(bp);
3864 bnx2x_handle_module_detect_int(&bp->link_params);
3865 bnx2x_release_phy_lock(bp);
3866 }
3867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003868 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3869
3870 val = REG_RD(bp, reg_offset);
3871 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3872 REG_WR(bp, reg_offset, val);
3873
3874 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003875 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003876 bnx2x_panic();
3877 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003878}
3879
Eric Dumazet1191cb82012-04-27 21:39:21 +00003880static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003881{
3882 u32 val;
3883
Eilon Greenstein0626b892009-02-12 08:38:14 +00003884 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003885
3886 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3887 BNX2X_ERR("DB hw attention 0x%x\n", val);
3888 /* DORQ discard attention */
3889 if (val & 0x2)
3890 BNX2X_ERR("FATAL error from DORQ\n");
3891 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003892
3893 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3894
3895 int port = BP_PORT(bp);
3896 int reg_offset;
3897
3898 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3899 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3900
3901 val = REG_RD(bp, reg_offset);
3902 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3903 REG_WR(bp, reg_offset, val);
3904
3905 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003906 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003907 bnx2x_panic();
3908 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003909}
3910
Eric Dumazet1191cb82012-04-27 21:39:21 +00003911static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003912{
3913 u32 val;
3914
3915 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3916
3917 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3918 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3919 /* CFC error attention */
3920 if (val & 0x2)
3921 BNX2X_ERR("FATAL error from CFC\n");
3922 }
3923
3924 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003925 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003926 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003927 /* RQ_USDMDP_FIFO_OVERFLOW */
3928 if (val & 0x18000)
3929 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003930
3931 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003932 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3933 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3934 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003935 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003936
3937 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3938
3939 int port = BP_PORT(bp);
3940 int reg_offset;
3941
3942 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3943 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3944
3945 val = REG_RD(bp, reg_offset);
3946 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3947 REG_WR(bp, reg_offset, val);
3948
3949 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003950 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951 bnx2x_panic();
3952 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003953}
3954
Eric Dumazet1191cb82012-04-27 21:39:21 +00003955static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003956{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003957 u32 val;
3958
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003959 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961 if (attn & BNX2X_PMF_LINK_ASSERT) {
3962 int func = BP_FUNC(bp);
3963
3964 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003965 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003966 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3967 func_mf_config[BP_ABS_FUNC(bp)].config);
3968 val = SHMEM_RD(bp,
3969 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003970 if (val & DRV_STATUS_DCC_EVENT_MASK)
3971 bnx2x_dcc_event(bp,
3972 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003973
3974 if (val & DRV_STATUS_SET_MF_BW)
3975 bnx2x_set_mf_bw(bp);
3976
Barak Witkowski1d187b32011-12-05 22:41:50 +00003977 if (val & DRV_STATUS_DRV_INFO_REQ)
3978 bnx2x_handle_drv_info_req(bp);
Ariel Eliord16132c2013-01-01 05:22:42 +00003979
3980 if (val & DRV_STATUS_VF_DISABLED)
3981 bnx2x_vf_handle_flr_event(bp);
3982
Eilon Greenstein2691d512009-08-12 08:22:08 +00003983 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003984 bnx2x_pmf_update(bp);
3985
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003986 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003987 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3988 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003989 /* start dcbx state machine */
3990 bnx2x_dcbx_set_params(bp,
3991 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003992 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3993 bnx2x_handle_afex_cmd(bp,
3994 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003995 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3996 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003997 if (bp->link_vars.periodic_flags &
3998 PERIODIC_FLAGS_LINK_EVENT) {
3999 /* sync with link */
4000 bnx2x_acquire_phy_lock(bp);
4001 bp->link_vars.periodic_flags &=
4002 ~PERIODIC_FLAGS_LINK_EVENT;
4003 bnx2x_release_phy_lock(bp);
4004 if (IS_MF(bp))
4005 bnx2x_link_sync_notify(bp);
4006 bnx2x_link_report(bp);
4007 }
4008 /* Always call it here: bnx2x_link_report() will
4009 * prevent the link indication duplication.
4010 */
4011 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004012 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004013
4014 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004015 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004016 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
4017 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
4018 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
4019 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
4020 bnx2x_panic();
4021
4022 } else if (attn & BNX2X_MCP_ASSERT) {
4023
4024 BNX2X_ERR("MCP assert!\n");
4025 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004026 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004027
4028 } else
4029 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
4030 }
4031
4032 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004033 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
4034 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004035 val = CHIP_IS_E1(bp) ? 0 :
4036 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004037 BNX2X_ERR("GRC time-out 0x%08x\n", val);
4038 }
4039 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004040 val = CHIP_IS_E1(bp) ? 0 :
4041 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004042 BNX2X_ERR("GRC reserved 0x%08x\n", val);
4043 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004044 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004045 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004046}
4047
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004048/*
4049 * Bits map:
4050 * 0-7 - Engine0 load counter.
4051 * 8-15 - Engine1 load counter.
4052 * 16 - Engine0 RESET_IN_PROGRESS bit.
4053 * 17 - Engine1 RESET_IN_PROGRESS bit.
4054 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
4055 * on the engine
4056 * 19 - Engine1 ONE_IS_LOADED.
4057 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
4058 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
4059 * just the one belonging to its engine).
4060 *
4061 */
4062#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
4063
4064#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
4065#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
4066#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
4067#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
4068#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
4069#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
4070#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004071
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004072/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004073 * Set the GLOBAL_RESET bit.
4074 *
4075 * Should be run under rtnl lock
4076 */
4077void bnx2x_set_reset_global(struct bnx2x *bp)
4078{
Ariel Eliorf16da432012-01-26 06:01:50 +00004079 u32 val;
4080 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4081 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004082 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00004083 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004084}
4085
4086/*
4087 * Clear the GLOBAL_RESET bit.
4088 *
4089 * Should be run under rtnl lock
4090 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004091static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004092{
Ariel Eliorf16da432012-01-26 06:01:50 +00004093 u32 val;
4094 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4095 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004096 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00004097 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004098}
4099
4100/*
4101 * Checks the GLOBAL_RESET bit.
4102 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004103 * should be run under rtnl lock
4104 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004105static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004106{
4107 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4108
4109 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
4110 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
4111}
4112
4113/*
4114 * Clear RESET_IN_PROGRESS bit for the current engine.
4115 *
4116 * Should be run under rtnl lock
4117 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004118static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004119{
Ariel Eliorf16da432012-01-26 06:01:50 +00004120 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004121 u32 bit = BP_PATH(bp) ?
4122 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004123 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4124 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004125
4126 /* Clear the bit */
4127 val &= ~bit;
4128 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004129
4130 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131}
4132
4133/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004134 * Set RESET_IN_PROGRESS for the current engine.
4135 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004136 * should be run under rtnl lock
4137 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004138void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004139{
Ariel Eliorf16da432012-01-26 06:01:50 +00004140 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004141 u32 bit = BP_PATH(bp) ?
4142 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004143 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4144 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004145
4146 /* Set the bit */
4147 val |= bit;
4148 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004149 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004150}
4151
4152/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004153 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004154 * should be run under rtnl lock
4155 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004156bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004157{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004158 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4159 u32 bit = engine ?
4160 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4161
4162 /* return false if bit is set */
4163 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004164}
4165
4166/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004167 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004168 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004169 * should be run under rtnl lock
4170 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004171void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004172{
Ariel Eliorf16da432012-01-26 06:01:50 +00004173 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004174 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4175 BNX2X_PATH0_LOAD_CNT_MASK;
4176 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4177 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004178
Ariel Eliorf16da432012-01-26 06:01:50 +00004179 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4180 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4181
Merav Sicron51c1a582012-03-18 10:33:38 +00004182 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004183
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004184 /* get the current counter value */
4185 val1 = (val & mask) >> shift;
4186
Ariel Elior889b9af2012-01-26 06:01:51 +00004187 /* set bit of that PF */
4188 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004189
4190 /* clear the old value */
4191 val &= ~mask;
4192
4193 /* set the new one */
4194 val |= ((val1 << shift) & mask);
4195
4196 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004197 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004198}
4199
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004200/**
Ariel Elior889b9af2012-01-26 06:01:51 +00004201 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004202 *
4203 * @bp: driver handle
4204 *
4205 * Should be run under rtnl lock.
4206 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00004207 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004208 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004209bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004210{
Ariel Eliorf16da432012-01-26 06:01:50 +00004211 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004212 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4213 BNX2X_PATH0_LOAD_CNT_MASK;
4214 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4215 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004216
Ariel Eliorf16da432012-01-26 06:01:50 +00004217 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4218 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004219 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004220
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004221 /* get the current counter value */
4222 val1 = (val & mask) >> shift;
4223
Ariel Elior889b9af2012-01-26 06:01:51 +00004224 /* clear bit of that PF */
4225 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004226
4227 /* clear the old value */
4228 val &= ~mask;
4229
4230 /* set the new one */
4231 val |= ((val1 << shift) & mask);
4232
4233 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004234 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4235 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004236}
4237
4238/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004239 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004240 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004241 * should be run under rtnl lock
4242 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004243static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004244{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004245 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4246 BNX2X_PATH0_LOAD_CNT_MASK);
4247 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4248 BNX2X_PATH0_LOAD_CNT_SHIFT);
4249 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4250
Merav Sicron51c1a582012-03-18 10:33:38 +00004251 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004252
4253 val = (val & mask) >> shift;
4254
Merav Sicron51c1a582012-03-18 10:33:38 +00004255 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4256 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004257
Ariel Elior889b9af2012-01-26 06:01:51 +00004258 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004259}
4260
Eric Dumazet1191cb82012-04-27 21:39:21 +00004261static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004262{
Joe Perchesf1deab52011-08-14 12:16:21 +00004263 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004264}
4265
Eric Dumazet1191cb82012-04-27 21:39:21 +00004266static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4267 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004268{
4269 int i = 0;
4270 u32 cur_bit = 0;
4271 for (i = 0; sig; i++) {
4272 cur_bit = ((u32)0x1 << i);
4273 if (sig & cur_bit) {
4274 switch (cur_bit) {
4275 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004276 if (print)
4277 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004278 break;
4279 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004280 if (print)
4281 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004282 break;
4283 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004284 if (print)
4285 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004286 break;
4287 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004288 if (print)
4289 _print_next_block(par_num++,
4290 "SEARCHER");
4291 break;
4292 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4293 if (print)
4294 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004295 break;
4296 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004297 if (print)
4298 _print_next_block(par_num++, "TSEMI");
4299 break;
4300 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4301 if (print)
4302 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004303 break;
4304 }
4305
4306 /* Clear the bit */
4307 sig &= ~cur_bit;
4308 }
4309 }
4310
4311 return par_num;
4312}
4313
Eric Dumazet1191cb82012-04-27 21:39:21 +00004314static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4315 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004316{
4317 int i = 0;
4318 u32 cur_bit = 0;
4319 for (i = 0; sig; i++) {
4320 cur_bit = ((u32)0x1 << i);
4321 if (sig & cur_bit) {
4322 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004323 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4324 if (print)
4325 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004326 break;
4327 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004328 if (print)
4329 _print_next_block(par_num++, "QM");
4330 break;
4331 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4332 if (print)
4333 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004334 break;
4335 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004336 if (print)
4337 _print_next_block(par_num++, "XSDM");
4338 break;
4339 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4340 if (print)
4341 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004342 break;
4343 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004344 if (print)
4345 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004346 break;
4347 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004348 if (print)
4349 _print_next_block(par_num++,
4350 "DOORBELLQ");
4351 break;
4352 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4353 if (print)
4354 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004355 break;
4356 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004357 if (print)
4358 _print_next_block(par_num++,
4359 "VAUX PCI CORE");
4360 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004361 break;
4362 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004363 if (print)
4364 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004365 break;
4366 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004367 if (print)
4368 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004369 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004370 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4371 if (print)
4372 _print_next_block(par_num++, "UCM");
4373 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004374 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004375 if (print)
4376 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004377 break;
4378 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004379 if (print)
4380 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004381 break;
4382 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004383 if (print)
4384 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004385 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004386 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4387 if (print)
4388 _print_next_block(par_num++, "CCM");
4389 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004390 }
4391
4392 /* Clear the bit */
4393 sig &= ~cur_bit;
4394 }
4395 }
4396
4397 return par_num;
4398}
4399
Eric Dumazet1191cb82012-04-27 21:39:21 +00004400static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4401 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004402{
4403 int i = 0;
4404 u32 cur_bit = 0;
4405 for (i = 0; sig; i++) {
4406 cur_bit = ((u32)0x1 << i);
4407 if (sig & cur_bit) {
4408 switch (cur_bit) {
4409 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004410 if (print)
4411 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004412 break;
4413 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004414 if (print)
4415 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004416 break;
4417 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004418 if (print)
4419 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004420 "PXPPCICLOCKCLIENT");
4421 break;
4422 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004423 if (print)
4424 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004425 break;
4426 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004427 if (print)
4428 _print_next_block(par_num++, "CDU");
4429 break;
4430 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4431 if (print)
4432 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004433 break;
4434 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004435 if (print)
4436 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004437 break;
4438 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004439 if (print)
4440 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004441 break;
4442 }
4443
4444 /* Clear the bit */
4445 sig &= ~cur_bit;
4446 }
4447 }
4448
4449 return par_num;
4450}
4451
Eric Dumazet1191cb82012-04-27 21:39:21 +00004452static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4453 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004454{
4455 int i = 0;
4456 u32 cur_bit = 0;
4457 for (i = 0; sig; i++) {
4458 cur_bit = ((u32)0x1 << i);
4459 if (sig & cur_bit) {
4460 switch (cur_bit) {
4461 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004462 if (print)
4463 _print_next_block(par_num++, "MCP ROM");
4464 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004465 break;
4466 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004467 if (print)
4468 _print_next_block(par_num++,
4469 "MCP UMP RX");
4470 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004471 break;
4472 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004473 if (print)
4474 _print_next_block(par_num++,
4475 "MCP UMP TX");
4476 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004477 break;
4478 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004479 if (print)
4480 _print_next_block(par_num++,
4481 "MCP SCPAD");
4482 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004483 break;
4484 }
4485
4486 /* Clear the bit */
4487 sig &= ~cur_bit;
4488 }
4489 }
4490
4491 return par_num;
4492}
4493
Eric Dumazet1191cb82012-04-27 21:39:21 +00004494static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4495 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004496{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004497 int i = 0;
4498 u32 cur_bit = 0;
4499 for (i = 0; sig; i++) {
4500 cur_bit = ((u32)0x1 << i);
4501 if (sig & cur_bit) {
4502 switch (cur_bit) {
4503 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4504 if (print)
4505 _print_next_block(par_num++, "PGLUE_B");
4506 break;
4507 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4508 if (print)
4509 _print_next_block(par_num++, "ATC");
4510 break;
4511 }
4512
4513 /* Clear the bit */
4514 sig &= ~cur_bit;
4515 }
4516 }
4517
4518 return par_num;
4519}
4520
Eric Dumazet1191cb82012-04-27 21:39:21 +00004521static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4522 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004523{
4524 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4525 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4526 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4527 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4528 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004529 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004530 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4531 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004532 sig[0] & HW_PRTY_ASSERT_SET_0,
4533 sig[1] & HW_PRTY_ASSERT_SET_1,
4534 sig[2] & HW_PRTY_ASSERT_SET_2,
4535 sig[3] & HW_PRTY_ASSERT_SET_3,
4536 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004537 if (print)
4538 netdev_err(bp->dev,
4539 "Parity errors detected in blocks: ");
4540 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004541 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004542 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004543 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004544 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004545 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004546 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004547 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4548 par_num = bnx2x_check_blocks_with_parity4(
4549 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4550
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004551 if (print)
4552 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004553
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004554 return true;
4555 } else
4556 return false;
4557}
4558
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004559/**
4560 * bnx2x_chk_parity_attn - checks for parity attentions.
4561 *
4562 * @bp: driver handle
4563 * @global: true if there was a global attention
4564 * @print: show parity attention in syslog
4565 */
4566bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004568 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004569 int port = BP_PORT(bp);
4570
4571 attn.sig[0] = REG_RD(bp,
4572 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4573 port*4);
4574 attn.sig[1] = REG_RD(bp,
4575 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4576 port*4);
4577 attn.sig[2] = REG_RD(bp,
4578 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4579 port*4);
4580 attn.sig[3] = REG_RD(bp,
4581 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4582 port*4);
4583
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004584 if (!CHIP_IS_E1x(bp))
4585 attn.sig[4] = REG_RD(bp,
4586 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4587 port*4);
4588
4589 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004590}
4591
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004592
Eric Dumazet1191cb82012-04-27 21:39:21 +00004593static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004594{
4595 u32 val;
4596 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4597
4598 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4599 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4600 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004601 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004602 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004603 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004604 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004605 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004606 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004607 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004608 if (val &
4609 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004610 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004611 if (val &
4612 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004613 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004614 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004615 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004616 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004617 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004618 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004619 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004620 }
4621 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4622 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4623 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4624 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4625 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4626 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004627 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004628 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004629 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004630 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004631 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004632 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4633 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4634 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004635 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004636 }
4637
4638 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4639 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4640 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4641 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4642 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4643 }
4644
4645}
4646
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004647static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4648{
4649 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004650 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004651 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652 u32 reg_addr;
4653 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004654 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004655 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004656
4657 /* need to take HW lock because MCP or other port might also
4658 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004659 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004660
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004661 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4662#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004663 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004664 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004665 /* Disable HW interrupts */
4666 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004667 /* In case of parity errors don't handle attentions so that
4668 * other function would "see" parity errors.
4669 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004670#else
4671 bnx2x_panic();
4672#endif
4673 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004674 return;
4675 }
4676
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004677 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4678 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4679 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4680 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004681 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004682 attn.sig[4] =
4683 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4684 else
4685 attn.sig[4] = 0;
4686
4687 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4688 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004689
4690 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4691 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004692 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004693
Merav Sicron51c1a582012-03-18 10:33:38 +00004694 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004695 index,
4696 group_mask->sig[0], group_mask->sig[1],
4697 group_mask->sig[2], group_mask->sig[3],
4698 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004699
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004700 bnx2x_attn_int_deasserted4(bp,
4701 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004702 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004703 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004704 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004705 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004706 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004707 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004708 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004709 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004710 }
4711 }
4712
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004713 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004714
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004715 if (bp->common.int_block == INT_BLOCK_HC)
4716 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4717 COMMAND_REG_ATTN_BITS_CLR);
4718 else
4719 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004720
4721 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004722 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4723 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004724 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004725
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004726 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004727 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004728
4729 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4730 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4731
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004732 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4733 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004734
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004735 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4736 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004737 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004738 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4739
4740 REG_WR(bp, reg_addr, aeu_mask);
4741 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742
4743 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4744 bp->attn_state &= ~deasserted;
4745 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4746}
4747
4748static void bnx2x_attn_int(struct bnx2x *bp)
4749{
4750 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004751 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4752 attn_bits);
4753 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4754 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004755 u32 attn_state = bp->attn_state;
4756
4757 /* look for changed bits */
4758 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4759 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4760
4761 DP(NETIF_MSG_HW,
4762 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4763 attn_bits, attn_ack, asserted, deasserted);
4764
4765 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004766 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767
4768 /* handle bits that were raised */
4769 if (asserted)
4770 bnx2x_attn_int_asserted(bp, asserted);
4771
4772 if (deasserted)
4773 bnx2x_attn_int_deasserted(bp, deasserted);
4774}
4775
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004776void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4777 u16 index, u8 op, u8 update)
4778{
Ariel Eliordc1ba592013-01-01 05:22:30 +00004779 u32 igu_addr = bp->igu_base_addr;
4780 igu_addr += (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004781 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4782 igu_addr);
4783}
4784
Eric Dumazet1191cb82012-04-27 21:39:21 +00004785static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004786{
4787 /* No memory barriers */
4788 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4789 mmiowb(); /* keep prod updates ordered */
4790}
4791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004792static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4793 union event_ring_elem *elem)
4794{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004795 u8 err = elem->message.error;
4796
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004797 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004798 (cid < bp->cnic_eth_dev.starting_cid &&
4799 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004800 return 1;
4801
4802 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4803
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004804 if (unlikely(err)) {
4805
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004806 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4807 cid);
Yuval Mintz823e1d92013-01-14 05:11:47 +00004808 bnx2x_panic_dump(bp, false);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004809 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004810 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004811 return 0;
4812}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004813
Eric Dumazet1191cb82012-04-27 21:39:21 +00004814static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004815{
4816 struct bnx2x_mcast_ramrod_params rparam;
4817 int rc;
4818
4819 memset(&rparam, 0, sizeof(rparam));
4820
4821 rparam.mcast_obj = &bp->mcast_obj;
4822
4823 netif_addr_lock_bh(bp->dev);
4824
4825 /* Clear pending state for the last command */
4826 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4827
4828 /* If there are pending mcast commands - send them */
4829 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4830 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4831 if (rc < 0)
4832 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4833 rc);
4834 }
4835
4836 netif_addr_unlock_bh(bp->dev);
4837}
4838
Eric Dumazet1191cb82012-04-27 21:39:21 +00004839static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4840 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004841{
4842 unsigned long ramrod_flags = 0;
4843 int rc = 0;
4844 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4845 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4846
4847 /* Always push next commands out, don't wait here */
4848 __set_bit(RAMROD_CONT, &ramrod_flags);
4849
Yuval Mintz86564c32013-01-23 03:21:50 +00004850 switch (le32_to_cpu((__force __le32)elem->message.data.eth_event.echo)
4851 >> BNX2X_SWCID_SHIFT) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004852 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004853 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00004854 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004855 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4856 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004857 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004858
4859 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004860 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004861 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004862 /* This is only relevant for 57710 where multicast MACs are
4863 * configured as unicast MACs using the same ramrod.
4864 */
4865 bnx2x_handle_mcast_eqe(bp);
4866 return;
4867 default:
4868 BNX2X_ERR("Unsupported classification command: %d\n",
4869 elem->message.data.eth_event.echo);
4870 return;
4871 }
4872
4873 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4874
4875 if (rc < 0)
4876 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4877 else if (rc > 0)
4878 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4879
4880}
4881
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004882static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004883
Eric Dumazet1191cb82012-04-27 21:39:21 +00004884static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004885{
4886 netif_addr_lock_bh(bp->dev);
4887
4888 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4889
4890 /* Send rx_mode command again if was requested */
4891 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4892 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004893 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4894 &bp->sp_state))
4895 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4896 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4897 &bp->sp_state))
4898 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004899
4900 netif_addr_unlock_bh(bp->dev);
4901}
4902
Eric Dumazet1191cb82012-04-27 21:39:21 +00004903static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004904 union event_ring_elem *elem)
4905{
4906 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4907 DP(BNX2X_MSG_SP,
4908 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4909 elem->message.data.vif_list_event.func_bit_map);
4910 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4911 elem->message.data.vif_list_event.func_bit_map);
4912 } else if (elem->message.data.vif_list_event.echo ==
4913 VIF_LIST_RULE_SET) {
4914 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4915 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4916 }
4917}
4918
4919/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004920static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004921{
4922 int q, rc;
4923 struct bnx2x_fastpath *fp;
4924 struct bnx2x_queue_state_params queue_params = {NULL};
4925 struct bnx2x_queue_update_params *q_update_params =
4926 &queue_params.params.update;
4927
Yuval Mintz2de67432013-01-23 03:21:43 +00004928 /* Send Q update command with afex vlan removal values for all Qs */
Barak Witkowskia3348722012-04-23 03:04:46 +00004929 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4930
4931 /* set silent vlan removal values according to vlan mode */
4932 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4933 &q_update_params->update_flags);
4934 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4935 &q_update_params->update_flags);
4936 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4937
4938 /* in access mode mark mask and value are 0 to strip all vlans */
4939 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4940 q_update_params->silent_removal_value = 0;
4941 q_update_params->silent_removal_mask = 0;
4942 } else {
4943 q_update_params->silent_removal_value =
4944 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4945 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4946 }
4947
4948 for_each_eth_queue(bp, q) {
4949 /* Set the appropriate Queue object */
4950 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004951 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004952
4953 /* send the ramrod */
4954 rc = bnx2x_queue_state_change(bp, &queue_params);
4955 if (rc < 0)
4956 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4957 q);
4958 }
4959
Barak Witkowskia3348722012-04-23 03:04:46 +00004960 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004961 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004962 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004963
4964 /* clear pending completion bit */
4965 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4966
4967 /* mark latest Q bit */
4968 smp_mb__before_clear_bit();
4969 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4970 smp_mb__after_clear_bit();
4971
4972 /* send Q update ramrod for FCoE Q */
4973 rc = bnx2x_queue_state_change(bp, &queue_params);
4974 if (rc < 0)
4975 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4976 q);
4977 } else {
4978 /* If no FCoE ring - ACK MCP now */
4979 bnx2x_link_report(bp);
4980 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4981 }
Barak Witkowskia3348722012-04-23 03:04:46 +00004982}
4983
Eric Dumazet1191cb82012-04-27 21:39:21 +00004984static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004985 struct bnx2x *bp, u32 cid)
4986{
Joe Perches94f05b02011-08-14 12:16:20 +00004987 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004988
4989 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00004990 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004991 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004992 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004993}
4994
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004995static void bnx2x_eq_int(struct bnx2x *bp)
4996{
4997 u16 hw_cons, sw_cons, sw_prod;
4998 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00004999 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005000 u32 cid;
5001 u8 opcode;
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005002 int rc, spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005003 struct bnx2x_queue_sp_obj *q_obj;
5004 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
5005 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005006
5007 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
5008
5009 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
5010 * when we get the the next-page we nned to adjust so the loop
5011 * condition below will be met. The next element is the size of a
5012 * regular element and hence incrementing by 1
5013 */
5014 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
5015 hw_cons++;
5016
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005017 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005018 * specific bp, thus there is no need in "paired" read memory
5019 * barrier here.
5020 */
5021 sw_cons = bp->eq_cons;
5022 sw_prod = bp->eq_prod;
5023
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005024 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005025 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005026
5027 for (; sw_cons != hw_cons;
5028 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
5029
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005030 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
5031
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005032 rc = bnx2x_iov_eq_sp_event(bp, elem);
5033 if (!rc) {
5034 DP(BNX2X_MSG_IOV, "bnx2x_iov_eq_sp_event returned %d\n",
5035 rc);
5036 goto next_spqe;
5037 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005038
Yuval Mintz86564c32013-01-23 03:21:50 +00005039 /* elem CID originates from FW; actually LE */
5040 cid = SW_CID((__force __le32)
5041 elem->message.data.cfc_del_event.cid);
5042 opcode = elem->message.opcode;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005043
5044 /* handle eq element */
5045 switch (opcode) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005046 case EVENT_RING_OPCODE_VF_PF_CHANNEL:
5047 DP(BNX2X_MSG_IOV, "vf pf channel element on eq\n");
5048 bnx2x_vf_mbx(bp, &elem->message.data.vf_pf_event);
5049 continue;
5050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005051 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00005052 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
5053 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005054 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005055 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005056 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005057
5058 case EVENT_RING_OPCODE_CFC_DEL:
5059 /* handle according to cid range */
5060 /*
5061 * we may want to verify here that the bp state is
5062 * HALTING
5063 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005064 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005065 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00005066
5067 if (CNIC_LOADED(bp) &&
5068 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005069 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005070
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005071 q_obj = bnx2x_cid_to_q_obj(bp, cid);
5072
5073 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
5074 break;
5075
5076
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005077
5078 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005079
5080 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005081 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005082 if (f_obj->complete_cmd(bp, f_obj,
5083 BNX2X_F_CMD_TX_STOP))
5084 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005085 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
5086 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005087
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005088 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005089 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005090 if (f_obj->complete_cmd(bp, f_obj,
5091 BNX2X_F_CMD_TX_START))
5092 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005093 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
5094 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005095
Barak Witkowskia3348722012-04-23 03:04:46 +00005096 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00005097 echo = elem->message.data.function_update_event.echo;
5098 if (echo == SWITCH_UPDATE) {
5099 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5100 "got FUNC_SWITCH_UPDATE ramrod\n");
5101 if (f_obj->complete_cmd(
5102 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
5103 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00005104
Merav Sicron55c11942012-11-07 00:45:48 +00005105 } else {
5106 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
5107 "AFEX: ramrod completed FUNCTION_UPDATE\n");
5108 f_obj->complete_cmd(bp, f_obj,
5109 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00005110
Merav Sicron55c11942012-11-07 00:45:48 +00005111 /* We will perform the Queues update from
5112 * sp_rtnl task as all Queue SP operations
5113 * should run under rtnl_lock.
5114 */
5115 smp_mb__before_clear_bit();
5116 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
5117 &bp->sp_rtnl_state);
5118 smp_mb__after_clear_bit();
5119
5120 schedule_delayed_work(&bp->sp_rtnl_task, 0);
5121 }
5122
Barak Witkowskia3348722012-04-23 03:04:46 +00005123 goto next_spqe;
5124
5125 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
5126 f_obj->complete_cmd(bp, f_obj,
5127 BNX2X_F_CMD_AFEX_VIFLISTS);
5128 bnx2x_after_afex_vif_lists(bp, elem);
5129 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005130 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00005131 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5132 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005133 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
5134 break;
5135
5136 goto next_spqe;
5137
5138 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00005139 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5140 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005141 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
5142 break;
5143
5144 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005145 }
5146
5147 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005148 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5149 BNX2X_STATE_OPEN):
5150 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005151 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005152 cid = elem->message.data.eth_event.echo &
5153 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005154 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005155 cid);
5156 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005157 break;
5158
5159 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
5160 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005161 case (EVENT_RING_OPCODE_SET_MAC |
5162 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005163 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5164 BNX2X_STATE_OPEN):
5165 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5166 BNX2X_STATE_DIAG):
5167 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5168 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005169 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005170 bnx2x_handle_classification_eqe(bp, elem);
5171 break;
5172
5173 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5174 BNX2X_STATE_OPEN):
5175 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5176 BNX2X_STATE_DIAG):
5177 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5178 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005179 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005180 bnx2x_handle_mcast_eqe(bp);
5181 break;
5182
5183 case (EVENT_RING_OPCODE_FILTERS_RULES |
5184 BNX2X_STATE_OPEN):
5185 case (EVENT_RING_OPCODE_FILTERS_RULES |
5186 BNX2X_STATE_DIAG):
5187 case (EVENT_RING_OPCODE_FILTERS_RULES |
5188 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005189 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005190 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005191 break;
5192 default:
5193 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005194 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
5195 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005196 }
5197next_spqe:
5198 spqe_cnt++;
5199 } /* for */
5200
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00005201 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005202 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005203
5204 bp->eq_cons = sw_cons;
5205 bp->eq_prod = sw_prod;
5206 /* Make sure that above mem writes were issued towards the memory */
5207 smp_wmb();
5208
5209 /* update producer */
5210 bnx2x_update_eq_prod(bp, bp->eq_prod);
5211}
5212
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213static void bnx2x_sp_task(struct work_struct *work)
5214{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005215 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005217 DP(BNX2X_MSG_SP, "sp task invoked\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005219 /* make sure the atomic interupt_occurred has been written */
5220 smp_rmb();
5221 if (atomic_read(&bp->interrupt_occurred)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005222
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005223 /* what work needs to be performed? */
5224 u16 status = bnx2x_update_dsb_idx(bp);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005225
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005226 DP(BNX2X_MSG_SP, "status %x\n", status);
5227 DP(BNX2X_MSG_SP, "setting interrupt_occurred to 0\n");
5228 atomic_set(&bp->interrupt_occurred, 0);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005229
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005230 /* HW attentions */
5231 if (status & BNX2X_DEF_SB_ATT_IDX) {
5232 bnx2x_attn_int(bp);
5233 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005234 }
Merav Sicron55c11942012-11-07 00:45:48 +00005235
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005236 /* SP events: STAT_QUERY and others */
5237 if (status & BNX2X_DEF_SB_IDX) {
5238 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005239
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005240 if (FCOE_INIT(bp) &&
5241 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5242 /* Prevent local bottom-halves from running as
5243 * we are going to change the local NAPI list.
5244 */
5245 local_bh_disable();
5246 napi_schedule(&bnx2x_fcoe(bp, napi));
5247 local_bh_enable();
5248 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005249
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005250 /* Handle EQ completions */
5251 bnx2x_eq_int(bp);
5252 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5253 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5254
5255 status &= ~BNX2X_DEF_SB_IDX;
5256 }
5257
5258 /* if status is non zero then perhaps something went wrong */
5259 if (unlikely(status))
5260 DP(BNX2X_MSG_SP,
5261 "got an unknown interrupt! (status 0x%x)\n", status);
5262
5263 /* ack status block only if something was actually handled */
5264 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5265 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
5266
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005267 }
5268
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005269 /* must be called after the EQ processing (since eq leads to sriov
5270 * ramrod completion flows).
5271 * This flow may have been scheduled by the arrival of a ramrod
5272 * completion, or by the sriov code rescheduling itself.
5273 */
5274 bnx2x_iov_sp_task(bp);
Barak Witkowskia3348722012-04-23 03:04:46 +00005275
5276 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5277 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5278 &bp->sp_state)) {
5279 bnx2x_link_report(bp);
5280 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5281 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005282}
5283
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005284irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285{
5286 struct net_device *dev = dev_instance;
5287 struct bnx2x *bp = netdev_priv(dev);
5288
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005289 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5290 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
5292#ifdef BNX2X_STOP_ON_ERROR
5293 if (unlikely(bp->panic))
5294 return IRQ_HANDLED;
5295#endif
5296
Merav Sicron55c11942012-11-07 00:45:48 +00005297 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005298 struct cnic_ops *c_ops;
5299
5300 rcu_read_lock();
5301 c_ops = rcu_dereference(bp->cnic_ops);
5302 if (c_ops)
5303 c_ops->cnic_handler(bp->cnic_data, NULL);
5304 rcu_read_unlock();
5305 }
Merav Sicron55c11942012-11-07 00:45:48 +00005306
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005307 /* schedule sp task to perform default status block work, ack
5308 * attentions and enable interrupts.
5309 */
5310 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005311
5312 return IRQ_HANDLED;
5313}
5314
5315/* end of slow path */
5316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005317
5318void bnx2x_drv_pulse(struct bnx2x *bp)
5319{
5320 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5321 bp->fw_drv_pulse_wr_seq);
5322}
5323
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005324static void bnx2x_timer(unsigned long data)
5325{
5326 struct bnx2x *bp = (struct bnx2x *) data;
5327
5328 if (!netif_running(bp->dev))
5329 return;
5330
Ariel Elior67c431a2013-01-01 05:22:36 +00005331 if (IS_PF(bp) &&
5332 !BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005333 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005334 u32 drv_pulse;
5335 u32 mcp_pulse;
5336
5337 ++bp->fw_drv_pulse_wr_seq;
5338 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5339 /* TBD - add SYSTEM_TIME */
5340 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005341 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005343 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344 MCP_PULSE_SEQ_MASK);
5345 /* The delta between driver pulse and mcp response
5346 * should be 1 (before mcp response) or 0 (after mcp response)
5347 */
5348 if ((drv_pulse != mcp_pulse) &&
5349 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5350 /* someone lost a heartbeat... */
5351 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5352 drv_pulse, mcp_pulse);
5353 }
5354 }
5355
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005356 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005357 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358
Ariel Eliorabc5a022013-01-01 05:22:43 +00005359 /* sample pf vf bulletin board for new posts from pf */
5360 if (IS_VF(bp))
5361 bnx2x_sample_bulletin(bp);
5362
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005363 mod_timer(&bp->timer, jiffies + bp->current_interval);
5364}
5365
5366/* end of Statistics */
5367
5368/* nic init */
5369
5370/*
5371 * nic init service functions
5372 */
5373
Eric Dumazet1191cb82012-04-27 21:39:21 +00005374static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005375{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005376 u32 i;
5377 if (!(len%4) && !(addr%4))
5378 for (i = 0; i < len; i += 4)
5379 REG_WR(bp, addr + i, fill);
5380 else
5381 for (i = 0; i < len; i++)
5382 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005383
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005384}
5385
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005386/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005387static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5388 int fw_sb_id,
5389 u32 *sb_data_p,
5390 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005391{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005392 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005393 for (index = 0; index < data_size; index++)
5394 REG_WR(bp, BAR_CSTRORM_INTMEM +
5395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5396 sizeof(u32)*index,
5397 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005398}
5399
Eric Dumazet1191cb82012-04-27 21:39:21 +00005400static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005401{
5402 u32 *sb_data_p;
5403 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005404 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405 struct hc_status_block_data_e1x sb_data_e1x;
5406
5407 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005408 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005409 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005410 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005411 sb_data_e2.common.p_func.vf_valid = false;
5412 sb_data_p = (u32 *)&sb_data_e2;
5413 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5414 } else {
5415 memset(&sb_data_e1x, 0,
5416 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005417 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005418 sb_data_e1x.common.p_func.vf_valid = false;
5419 sb_data_p = (u32 *)&sb_data_e1x;
5420 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5421 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005422 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5423
5424 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5425 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5426 CSTORM_STATUS_BLOCK_SIZE);
5427 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5428 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5429 CSTORM_SYNC_BLOCK_SIZE);
5430}
5431
5432/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005433static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005434 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005435{
5436 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005437 int i;
5438 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5439 REG_WR(bp, BAR_CSTRORM_INTMEM +
5440 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5441 i*sizeof(u32),
5442 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005443}
5444
Eric Dumazet1191cb82012-04-27 21:39:21 +00005445static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005446{
5447 int func = BP_FUNC(bp);
5448 struct hc_sp_status_block_data sp_sb_data;
5449 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5450
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005451 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005452 sp_sb_data.p_func.vf_valid = false;
5453
5454 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5455
5456 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5457 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5458 CSTORM_SP_STATUS_BLOCK_SIZE);
5459 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5460 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5461 CSTORM_SP_SYNC_BLOCK_SIZE);
5462
5463}
5464
5465
Eric Dumazet1191cb82012-04-27 21:39:21 +00005466static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005467 int igu_sb_id, int igu_seg_id)
5468{
5469 hc_sm->igu_sb_id = igu_sb_id;
5470 hc_sm->igu_seg_id = igu_seg_id;
5471 hc_sm->timer_value = 0xFF;
5472 hc_sm->time_to_expire = 0xFFFFFFFF;
5473}
5474
David S. Miller8decf862011-09-22 03:23:13 -04005475
5476/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005477static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005478{
5479 /* zero out state machine indices */
5480 /* rx indices */
5481 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5482
5483 /* tx indices */
5484 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5485 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5486 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5487 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5488
5489 /* map indices */
5490 /* rx indices */
5491 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5492 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5493
5494 /* tx indices */
5495 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5496 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5497 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5498 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5499 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5500 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5501 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5502 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5503}
5504
Ariel Eliorb93288d2013-01-01 05:22:35 +00005505void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005506 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5507{
5508 int igu_seg_id;
5509
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005510 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005511 struct hc_status_block_data_e1x sb_data_e1x;
5512 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005513 int data_size;
5514 u32 *sb_data_p;
5515
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005516 if (CHIP_INT_MODE_IS_BC(bp))
5517 igu_seg_id = HC_SEG_ACCESS_NORM;
5518 else
5519 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005520
5521 bnx2x_zero_fp_sb(bp, fw_sb_id);
5522
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005523 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005524 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005525 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005526 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5527 sb_data_e2.common.p_func.vf_id = vfid;
5528 sb_data_e2.common.p_func.vf_valid = vf_valid;
5529 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5530 sb_data_e2.common.same_igu_sb_1b = true;
5531 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5532 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5533 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005534 sb_data_p = (u32 *)&sb_data_e2;
5535 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005536 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005537 } else {
5538 memset(&sb_data_e1x, 0,
5539 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005540 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005541 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5542 sb_data_e1x.common.p_func.vf_id = 0xff;
5543 sb_data_e1x.common.p_func.vf_valid = false;
5544 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5545 sb_data_e1x.common.same_igu_sb_1b = true;
5546 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5547 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5548 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005549 sb_data_p = (u32 *)&sb_data_e1x;
5550 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005551 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005552 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005553
5554 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5555 igu_sb_id, igu_seg_id);
5556 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5557 igu_sb_id, igu_seg_id);
5558
Merav Sicron51c1a582012-03-18 10:33:38 +00005559 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005560
Yuval Mintz86564c32013-01-23 03:21:50 +00005561 /* write indices to HW - PCI guarantees endianity of regpairs */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005562 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5563}
5564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005565static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005566 u16 tx_usec, u16 rx_usec)
5567{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005568 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005569 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005570 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5571 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5572 tx_usec);
5573 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5574 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5575 tx_usec);
5576 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5577 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5578 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005579}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005580
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005581static void bnx2x_init_def_sb(struct bnx2x *bp)
5582{
5583 struct host_sp_status_block *def_sb = bp->def_status_blk;
5584 dma_addr_t mapping = bp->def_status_blk_mapping;
5585 int igu_sp_sb_index;
5586 int igu_seg_id;
5587 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005588 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005589 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005590 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005591 int index;
5592 struct hc_sp_status_block_data sp_sb_data;
5593 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5594
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005595 if (CHIP_INT_MODE_IS_BC(bp)) {
5596 igu_sp_sb_index = DEF_SB_IGU_ID;
5597 igu_seg_id = HC_SEG_ACCESS_DEF;
5598 } else {
5599 igu_sp_sb_index = bp->igu_dsb_id;
5600 igu_seg_id = IGU_SEG_ACCESS_DEF;
5601 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005602
5603 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005604 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005605 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005606 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005607
Eliezer Tamir49d66772008-02-28 11:53:13 -08005608 bp->attn_state = 0;
5609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005610 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5611 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005612 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5613 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005614 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005615 int sindex;
5616 /* take care of sig[0]..sig[4] */
5617 for (sindex = 0; sindex < 4; sindex++)
5618 bp->attn_group[index].sig[sindex] =
5619 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005621 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005622 /*
5623 * enable5 is separate from the rest of the registers,
5624 * and therefore the address skip is 4
5625 * and not 16 between the different groups
5626 */
5627 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005628 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005629 else
5630 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005631 }
5632
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005633 if (bp->common.int_block == INT_BLOCK_HC) {
5634 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5635 HC_REG_ATTN_MSG0_ADDR_L);
5636
5637 REG_WR(bp, reg_offset, U64_LO(section));
5638 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005639 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005640 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5641 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5642 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005644 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5645 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005646
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005647 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005648
Yuval Mintz86564c32013-01-23 03:21:50 +00005649 /* PCI guarantees endianity of regpairs */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005650 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005651 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5652 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5653 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5654 sp_sb_data.igu_seg_id = igu_seg_id;
5655 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005656 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005657 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005659 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005660
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005661 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005662}
5663
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005664void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005665{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005666 int i;
5667
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005668 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005669 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005670 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005671}
5672
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005673static void bnx2x_init_sp_ring(struct bnx2x *bp)
5674{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005675 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005676 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005677
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005678 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005679 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5680 bp->spq_prod_bd = bp->spq;
5681 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005682}
5683
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005684static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005685{
5686 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005687 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5688 union event_ring_elem *elem =
5689 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005690
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005691 elem->next_page.addr.hi =
5692 cpu_to_le32(U64_HI(bp->eq_mapping +
5693 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5694 elem->next_page.addr.lo =
5695 cpu_to_le32(U64_LO(bp->eq_mapping +
5696 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005697 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005698 bp->eq_cons = 0;
5699 bp->eq_prod = NUM_EQ_DESC;
5700 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005701 /* we want a warning message before it gets rought... */
5702 atomic_set(&bp->eq_spq_left,
5703 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005704}
5705
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005706/* called with netif_addr_lock_bh() */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005707int bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5708 unsigned long rx_mode_flags,
5709 unsigned long rx_accept_flags,
5710 unsigned long tx_accept_flags,
5711 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005712{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005713 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5714 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005715
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005716 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005717
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005718 /* Prepare ramrod parameters */
5719 ramrod_param.cid = 0;
5720 ramrod_param.cl_id = cl_id;
5721 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5722 ramrod_param.func_id = BP_FUNC(bp);
5723
5724 ramrod_param.pstate = &bp->sp_state;
5725 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5726
5727 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5728 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5729
5730 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5731
5732 ramrod_param.ramrod_flags = ramrod_flags;
5733 ramrod_param.rx_mode_flags = rx_mode_flags;
5734
5735 ramrod_param.rx_accept_flags = rx_accept_flags;
5736 ramrod_param.tx_accept_flags = tx_accept_flags;
5737
5738 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5739 if (rc < 0) {
5740 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
Yuval Mintz924d75a2013-01-23 03:21:44 +00005741 return rc;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005742 }
Yuval Mintz924d75a2013-01-23 03:21:44 +00005743
5744 return 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005745}
5746
Yuval Mintz86564c32013-01-23 03:21:50 +00005747static int bnx2x_fill_accept_flags(struct bnx2x *bp, u32 rx_mode,
5748 unsigned long *rx_accept_flags,
5749 unsigned long *tx_accept_flags)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005750{
Yuval Mintz924d75a2013-01-23 03:21:44 +00005751 /* Clear the flags first */
5752 *rx_accept_flags = 0;
5753 *tx_accept_flags = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005754
Yuval Mintz924d75a2013-01-23 03:21:44 +00005755 switch (rx_mode) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005756 case BNX2X_RX_MODE_NONE:
5757 /*
5758 * 'drop all' supersedes any accept flags that may have been
5759 * passed to the function.
5760 */
5761 break;
5762 case BNX2X_RX_MODE_NORMAL:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005763 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5764 __set_bit(BNX2X_ACCEPT_MULTICAST, rx_accept_flags);
5765 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005766
5767 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005768 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
5769 __set_bit(BNX2X_ACCEPT_MULTICAST, tx_accept_flags);
5770 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005771
5772 break;
5773 case BNX2X_RX_MODE_ALLMULTI:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005774 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5775 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
5776 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005777
5778 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005779 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
5780 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
5781 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005782
5783 break;
5784 case BNX2X_RX_MODE_PROMISC:
5785 /* According to deffinition of SI mode, iface in promisc mode
5786 * should receive matched and unmatched (in resolution of port)
5787 * unicast packets.
5788 */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005789 __set_bit(BNX2X_ACCEPT_UNMATCHED, rx_accept_flags);
5790 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5791 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
5792 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005793
5794 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005795 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
5796 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005797
5798 if (IS_MF_SI(bp))
Yuval Mintz924d75a2013-01-23 03:21:44 +00005799 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005800 else
Yuval Mintz924d75a2013-01-23 03:21:44 +00005801 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005802
5803 break;
5804 default:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005805 BNX2X_ERR("Unknown rx_mode: %d\n", rx_mode);
5806 return -EINVAL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005807 }
5808
Yuval Mintz924d75a2013-01-23 03:21:44 +00005809 /* Set ACCEPT_ANY_VLAN as we do not enable filtering by VLAN */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005810 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
Yuval Mintz924d75a2013-01-23 03:21:44 +00005811 __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
5812 __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005813 }
5814
Yuval Mintz924d75a2013-01-23 03:21:44 +00005815 return 0;
5816}
5817
5818/* called with netif_addr_lock_bh() */
5819int bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5820{
5821 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5822 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5823 int rc;
5824
5825 if (!NO_FCOE(bp))
5826 /* Configure rx_mode of FCoE Queue */
5827 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5828
5829 rc = bnx2x_fill_accept_flags(bp, bp->rx_mode, &rx_accept_flags,
5830 &tx_accept_flags);
5831 if (rc)
5832 return rc;
5833
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005834 __set_bit(RAMROD_RX, &ramrod_flags);
5835 __set_bit(RAMROD_TX, &ramrod_flags);
5836
Yuval Mintz924d75a2013-01-23 03:21:44 +00005837 return bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags,
5838 rx_accept_flags, tx_accept_flags,
5839 ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005840}
5841
Eilon Greenstein471de712008-08-13 15:49:35 -07005842static void bnx2x_init_internal_common(struct bnx2x *bp)
5843{
5844 int i;
5845
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005846 if (IS_MF_SI(bp))
5847 /*
5848 * In switch independent mode, the TSTORM needs to accept
5849 * packets that failed classification, since approximate match
5850 * mac addresses aren't written to NIG LLH
5851 */
5852 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5853 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005854 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5855 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5856 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005857
Eilon Greenstein471de712008-08-13 15:49:35 -07005858 /* Zero this manually as its initialization is
5859 currently missing in the initTool */
5860 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5861 REG_WR(bp, BAR_USTRORM_INTMEM +
5862 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005863 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005864 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5865 CHIP_INT_MODE_IS_BC(bp) ?
5866 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5867 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005868}
5869
Eilon Greenstein471de712008-08-13 15:49:35 -07005870static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5871{
5872 switch (load_code) {
5873 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005874 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005875 bnx2x_init_internal_common(bp);
5876 /* no break */
5877
5878 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005879 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005880 /* no break */
5881
5882 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005883 /* internal memory per function is
5884 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005885 break;
5886
5887 default:
5888 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5889 break;
5890 }
5891}
5892
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005893static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5894{
Merav Sicron55c11942012-11-07 00:45:48 +00005895 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005896}
5897
5898static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5899{
Merav Sicron55c11942012-11-07 00:45:48 +00005900 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005901}
5902
Eric Dumazet1191cb82012-04-27 21:39:21 +00005903static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005904{
5905 if (CHIP_IS_E1x(fp->bp))
5906 return BP_L_ID(fp->bp) + fp->index;
5907 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5908 return bnx2x_fp_igu_sb_id(fp);
5909}
5910
Ariel Elior6383c0b2011-07-14 08:31:57 +00005911static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005912{
5913 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005914 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005915 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005916 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005917 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005918 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005919 fp->cl_id = bnx2x_fp_cl_id(fp);
5920 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5921 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005922 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005923 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5924
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005925 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005926 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005927
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005928 /* Setup SB indicies */
5929 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005931 /* Configure Queue State object */
5932 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5933 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005934
5935 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5936
5937 /* init tx data */
5938 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005939 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5940 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5941 FP_COS_TO_TXQ(fp, cos, bp),
5942 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5943 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005944 }
5945
Ariel Eliorad5afc82013-01-01 05:22:26 +00005946 /* nothing more for vf to do here */
5947 if (IS_VF(bp))
5948 return;
5949
5950 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5951 fp->fw_sb_id, fp->igu_sb_id);
5952 bnx2x_update_fpsb_idx(fp);
Barak Witkowski15192a82012-06-19 07:48:28 +00005953 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5954 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005955 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005956
5957 /**
5958 * Configure classification DBs: Always enable Tx switching
5959 */
5960 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5961
Ariel Eliorad5afc82013-01-01 05:22:26 +00005962 DP(NETIF_MSG_IFUP,
5963 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
5964 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
5965 fp->igu_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005966}
5967
Eric Dumazet1191cb82012-04-27 21:39:21 +00005968static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5969{
5970 int i;
5971
5972 for (i = 1; i <= NUM_TX_RINGS; i++) {
5973 struct eth_tx_next_bd *tx_next_bd =
5974 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5975
5976 tx_next_bd->addr_hi =
5977 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5978 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5979 tx_next_bd->addr_lo =
5980 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5981 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5982 }
5983
5984 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5985 txdata->tx_db.data.zero_fill1 = 0;
5986 txdata->tx_db.data.prod = 0;
5987
5988 txdata->tx_pkt_prod = 0;
5989 txdata->tx_pkt_cons = 0;
5990 txdata->tx_bd_prod = 0;
5991 txdata->tx_bd_cons = 0;
5992 txdata->tx_pkt = 0;
5993}
5994
Merav Sicron55c11942012-11-07 00:45:48 +00005995static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
5996{
5997 int i;
5998
5999 for_each_tx_queue_cnic(bp, i)
6000 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
6001}
Eric Dumazet1191cb82012-04-27 21:39:21 +00006002static void bnx2x_init_tx_rings(struct bnx2x *bp)
6003{
6004 int i;
6005 u8 cos;
6006
Merav Sicron55c11942012-11-07 00:45:48 +00006007 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00006008 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00006009 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00006010}
6011
Merav Sicron55c11942012-11-07 00:45:48 +00006012void bnx2x_nic_init_cnic(struct bnx2x *bp)
6013{
6014 if (!NO_FCOE(bp))
6015 bnx2x_init_fcoe_fp(bp);
6016
6017 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
6018 BNX2X_VF_ID_INVALID, false,
6019 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
6020
6021 /* ensure status block indices were read */
6022 rmb();
6023 bnx2x_init_rx_rings_cnic(bp);
6024 bnx2x_init_tx_rings_cnic(bp);
6025
6026 /* flush all */
6027 mb();
6028 mmiowb();
6029}
6030
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006031void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032{
6033 int i;
6034
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006035 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00006036 bnx2x_init_eth_fp(bp, i);
Ariel Eliorad5afc82013-01-01 05:22:26 +00006037
6038 /* ensure status block indices were read */
6039 rmb();
6040 bnx2x_init_rx_rings(bp);
6041 bnx2x_init_tx_rings(bp);
6042
6043 if (IS_VF(bp))
6044 return;
6045
Yaniv Rosner020c7e32011-05-31 21:28:43 +00006046 /* Initialize MOD_ABS interrupts */
6047 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
6048 bp->common.shmem_base, bp->common.shmem2_base,
6049 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00006050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006051 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07006052 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006054 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07006055 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006056 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006057 bnx2x_stats_init(bp);
6058
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006059 /* flush all before enabling interrupts */
6060 mb();
6061 mmiowb();
6062
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006063 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00006064
6065 /* Check for SPIO5 */
6066 bnx2x_attn_int_deasserted0(bp,
6067 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
6068 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069}
6070
6071/* end of nic init */
6072
6073/*
6074 * gzip service functions
6075 */
6076
6077static int bnx2x_gunzip_init(struct bnx2x *bp)
6078{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006079 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
6080 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006081 if (bp->gunzip_buf == NULL)
6082 goto gunzip_nomem1;
6083
6084 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
6085 if (bp->strm == NULL)
6086 goto gunzip_nomem2;
6087
David S. Miller7ab24bf2011-06-29 05:48:41 -07006088 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 if (bp->strm->workspace == NULL)
6090 goto gunzip_nomem3;
6091
6092 return 0;
6093
6094gunzip_nomem3:
6095 kfree(bp->strm);
6096 bp->strm = NULL;
6097
6098gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006099 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6100 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101 bp->gunzip_buf = NULL;
6102
6103gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00006104 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105 return -ENOMEM;
6106}
6107
6108static void bnx2x_gunzip_end(struct bnx2x *bp)
6109{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006110 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07006111 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006112 kfree(bp->strm);
6113 bp->strm = NULL;
6114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
6116 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006117 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6118 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119 bp->gunzip_buf = NULL;
6120 }
6121}
6122
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006123static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006124{
6125 int n, rc;
6126
6127 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006128 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
6129 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006131 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132
6133 n = 10;
6134
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006135#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006136
6137 if (zbuf[3] & FNAME)
6138 while ((zbuf[n++] != 0) && (n < len));
6139
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006140 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141 bp->strm->avail_in = len - n;
6142 bp->strm->next_out = bp->gunzip_buf;
6143 bp->strm->avail_out = FW_BUF_SIZE;
6144
6145 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
6146 if (rc != Z_OK)
6147 return rc;
6148
6149 rc = zlib_inflate(bp->strm, Z_FINISH);
6150 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00006151 netdev_err(bp->dev, "Firmware decompression error: %s\n",
6152 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006153
6154 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
6155 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00006156 netdev_err(bp->dev,
6157 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006158 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006159 bp->gunzip_outlen >>= 2;
6160
6161 zlib_inflateEnd(bp->strm);
6162
6163 if (rc == Z_STREAM_END)
6164 return 0;
6165
6166 return rc;
6167}
6168
6169/* nic load/unload */
6170
6171/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006172 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006173 */
6174
6175/* send a NIG loopback debug packet */
6176static void bnx2x_lb_pckt(struct bnx2x *bp)
6177{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006178 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006179
6180 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006181 wb_write[0] = 0x55555555;
6182 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006183 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006184 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006185
6186 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006187 wb_write[0] = 0x09000000;
6188 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006189 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006190 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006191}
6192
6193/* some of the internal memories
6194 * are not directly readable from the driver
6195 * to test them we send debug packets
6196 */
6197static int bnx2x_int_mem_test(struct bnx2x *bp)
6198{
6199 int factor;
6200 int count, i;
6201 u32 val = 0;
6202
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006203 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006204 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006205 else if (CHIP_REV_IS_EMUL(bp))
6206 factor = 200;
6207 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006208 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006209
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006210 /* Disable inputs of parser neighbor blocks */
6211 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6212 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6213 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006214 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006215
6216 /* Write 0 to parser credits for CFC search request */
6217 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6218
6219 /* send Ethernet packet */
6220 bnx2x_lb_pckt(bp);
6221
6222 /* TODO do i reset NIG statistic? */
6223 /* Wait until NIG register shows 1 packet of size 0x10 */
6224 count = 1000 * factor;
6225 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006226
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006227 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6228 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006229 if (val == 0x10)
6230 break;
6231
6232 msleep(10);
6233 count--;
6234 }
6235 if (val != 0x10) {
6236 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6237 return -1;
6238 }
6239
6240 /* Wait until PRS register shows 1 packet */
6241 count = 1000 * factor;
6242 while (count) {
6243 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006244 if (val == 1)
6245 break;
6246
6247 msleep(10);
6248 count--;
6249 }
6250 if (val != 0x1) {
6251 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6252 return -2;
6253 }
6254
6255 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006256 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006257 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006260 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6261 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006262
6263 DP(NETIF_MSG_HW, "part2\n");
6264
6265 /* Disable inputs of parser neighbor blocks */
6266 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6267 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6268 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006269 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006270
6271 /* Write 0 to parser credits for CFC search request */
6272 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6273
6274 /* send 10 Ethernet packets */
6275 for (i = 0; i < 10; i++)
6276 bnx2x_lb_pckt(bp);
6277
6278 /* Wait until NIG register shows 10 + 1
6279 packets of size 11*0x10 = 0xb0 */
6280 count = 1000 * factor;
6281 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006282
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006283 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6284 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006285 if (val == 0xb0)
6286 break;
6287
6288 msleep(10);
6289 count--;
6290 }
6291 if (val != 0xb0) {
6292 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6293 return -3;
6294 }
6295
6296 /* Wait until PRS register shows 2 packets */
6297 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6298 if (val != 2)
6299 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6300
6301 /* Write 1 to parser credits for CFC search request */
6302 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6303
6304 /* Wait until PRS register shows 3 packets */
6305 msleep(10 * factor);
6306 /* Wait until NIG register shows 1 packet of size 0x10 */
6307 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6308 if (val != 3)
6309 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6310
6311 /* clear NIG EOP FIFO */
6312 for (i = 0; i < 11; i++)
6313 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6314 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6315 if (val != 1) {
6316 BNX2X_ERR("clear of NIG failed\n");
6317 return -4;
6318 }
6319
6320 /* Reset and init BRB, PRS, NIG */
6321 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6322 msleep(50);
6323 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6324 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006325 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6326 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006327 if (!CNIC_SUPPORT(bp))
6328 /* set NIC mode */
6329 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006330
6331 /* Enable inputs of parser neighbor blocks */
6332 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6333 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6334 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006335 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
6337 DP(NETIF_MSG_HW, "done\n");
6338
6339 return 0; /* OK */
6340}
6341
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006342static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006343{
Yuval Mintzb343d002012-12-02 04:05:53 +00006344 u32 val;
6345
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006346 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006347 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006348 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6349 else
6350 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006351 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6352 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006353 /*
6354 * mask read length error interrupts in brb for parser
6355 * (parsing unit and 'checksum and crc' unit)
6356 * these errors are legal (PU reads fixed length and CAC can cause
6357 * read length error on truncated packets)
6358 */
6359 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6361 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6362 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6363 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6364 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6366/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006367 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6368 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6369 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006370/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6371/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006372 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6373 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6374 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6375 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006376/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6377/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006378
Yuval Mintzb343d002012-12-02 04:05:53 +00006379 val = PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT |
6380 PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF |
6381 PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN;
6382 if (!CHIP_IS_E1x(bp))
6383 val |= PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED |
6384 PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED;
6385 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, val);
6386
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006387 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6388 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6389 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006390/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006391
6392 if (!CHIP_IS_E1x(bp))
6393 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6394 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6395
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6397 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006398/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006399 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006400}
6401
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006402static void bnx2x_reset_common(struct bnx2x *bp)
6403{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006404 u32 val = 0x1400;
6405
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006406 /* reset_common */
6407 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6408 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006409
6410 if (CHIP_IS_E3(bp)) {
6411 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6412 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6413 }
6414
6415 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6416}
6417
6418static void bnx2x_setup_dmae(struct bnx2x *bp)
6419{
6420 bp->dmae_ready = 0;
6421 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006422}
6423
Eilon Greenstein573f2032009-08-12 08:24:14 +00006424static void bnx2x_init_pxp(struct bnx2x *bp)
6425{
6426 u16 devctl;
6427 int r_order, w_order;
6428
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006429 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006430 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6431 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6432 if (bp->mrrs == -1)
6433 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6434 else {
6435 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6436 r_order = bp->mrrs;
6437 }
6438
6439 bnx2x_init_pxp_arb(bp, r_order, w_order);
6440}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006441
6442static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6443{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006444 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006445 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006446 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006447
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006448 if (BP_NOMCP(bp))
6449 return;
6450
6451 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006452 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6453 SHARED_HW_CFG_FAN_FAILURE_MASK;
6454
6455 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6456 is_required = 1;
6457
6458 /*
6459 * The fan failure mechanism is usually related to the PHY type since
6460 * the power consumption of the board is affected by the PHY. Currently,
6461 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6462 */
6463 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6464 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006465 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006466 bnx2x_fan_failure_det_req(
6467 bp,
6468 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006469 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006470 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006471 }
6472
6473 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6474
6475 if (is_required == 0)
6476 return;
6477
6478 /* Fan failure is indicated by SPIO 5 */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006479 bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006480
6481 /* set to active low mode */
6482 val = REG_RD(bp, MISC_REG_SPIO_INT);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006483 val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006484 REG_WR(bp, MISC_REG_SPIO_INT, val);
6485
6486 /* enable interrupt to signal the IGU */
6487 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006488 val |= MISC_SPIO_SPIO5;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006489 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6490}
6491
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006492void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006493{
6494 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6495 val &= ~IGU_PF_CONF_FUNC_EN;
6496
6497 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6498 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6499 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6500}
6501
Eric Dumazet1191cb82012-04-27 21:39:21 +00006502static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006503{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006504 u32 shmem_base[2], shmem2_base[2];
Yaniv Rosnerb884d952012-11-27 03:46:28 +00006505 /* Avoid common init in case MFW supports LFA */
6506 if (SHMEM2_RD(bp, size) >
6507 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6508 return;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006509 shmem_base[0] = bp->common.shmem_base;
6510 shmem2_base[0] = bp->common.shmem2_base;
6511 if (!CHIP_IS_E1x(bp)) {
6512 shmem_base[1] =
6513 SHMEM2_RD(bp, other_shmem_base_addr);
6514 shmem2_base[1] =
6515 SHMEM2_RD(bp, other_shmem2_base_addr);
6516 }
6517 bnx2x_acquire_phy_lock(bp);
6518 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6519 bp->common.chip_id);
6520 bnx2x_release_phy_lock(bp);
6521}
6522
6523/**
6524 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6525 *
6526 * @bp: driver handle
6527 */
6528static int bnx2x_init_hw_common(struct bnx2x *bp)
6529{
6530 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006531
Merav Sicron51c1a582012-03-18 10:33:38 +00006532 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006533
David S. Miller823dcd22011-08-20 10:39:12 -07006534 /*
Yuval Mintz2de67432013-01-23 03:21:43 +00006535 * take the RESET lock to protect undi_unload flow from accessing
David S. Miller823dcd22011-08-20 10:39:12 -07006536 * registers while we're resetting the chip
6537 */
David S. Miller8decf862011-09-22 03:23:13 -04006538 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006539
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006540 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006541 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006542
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006543 val = 0xfffc;
6544 if (CHIP_IS_E3(bp)) {
6545 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6546 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6547 }
6548 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006549
David S. Miller8decf862011-09-22 03:23:13 -04006550 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006551
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006552 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6553
6554 if (!CHIP_IS_E1x(bp)) {
6555 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006556
6557 /**
6558 * 4-port mode or 2-port mode we need to turn of master-enable
6559 * for everyone, after that, turn it back on for self.
6560 * so, we disregard multi-function or not, and always disable
6561 * for all functions on the given path, this means 0,2,4,6 for
6562 * path 0 and 1,3,5,7 for path 1
6563 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006564 for (abs_func_id = BP_PATH(bp);
6565 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6566 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006567 REG_WR(bp,
6568 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6569 1);
6570 continue;
6571 }
6572
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006573 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006574 /* clear pf enable */
6575 bnx2x_pf_disable(bp);
6576 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6577 }
6578 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006579
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006580 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006581 if (CHIP_IS_E1(bp)) {
6582 /* enable HW interrupt from PXP on USDM overflow
6583 bit 16 on INT_MASK_0 */
6584 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006585 }
6586
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006587 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006588 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006589
6590#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006591 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6592 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6593 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6594 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6595 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006596 /* make sure this value is 0 */
6597 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006599/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6600 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6601 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6602 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6603 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006604#endif
6605
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006606 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6607
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006608 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6609 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006610
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006611 /* let the HW do it's magic ... */
6612 msleep(100);
6613 /* finish PXP init */
6614 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6615 if (val != 1) {
6616 BNX2X_ERR("PXP2 CFG failed\n");
6617 return -EBUSY;
6618 }
6619 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6620 if (val != 1) {
6621 BNX2X_ERR("PXP2 RD_INIT failed\n");
6622 return -EBUSY;
6623 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006624
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006625 /* Timers bug workaround E2 only. We need to set the entire ILT to
6626 * have entries with value "0" and valid bit on.
6627 * This needs to be done by the first PF that is loaded in a path
6628 * (i.e. common phase)
6629 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006630 if (!CHIP_IS_E1x(bp)) {
6631/* In E2 there is a bug in the timers block that can cause function 6 / 7
6632 * (i.e. vnic3) to start even if it is marked as "scan-off".
6633 * This occurs when a different function (func2,3) is being marked
6634 * as "scan-off". Real-life scenario for example: if a driver is being
6635 * load-unloaded while func6,7 are down. This will cause the timer to access
6636 * the ilt, translate to a logical address and send a request to read/write.
6637 * Since the ilt for the function that is down is not valid, this will cause
6638 * a translation error which is unrecoverable.
6639 * The Workaround is intended to make sure that when this happens nothing fatal
6640 * will occur. The workaround:
6641 * 1. First PF driver which loads on a path will:
6642 * a. After taking the chip out of reset, by using pretend,
6643 * it will write "0" to the following registers of
6644 * the other vnics.
6645 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6646 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6647 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6648 * And for itself it will write '1' to
6649 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6650 * dmae-operations (writing to pram for example.)
6651 * note: can be done for only function 6,7 but cleaner this
6652 * way.
6653 * b. Write zero+valid to the entire ILT.
6654 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6655 * VNIC3 (of that port). The range allocated will be the
6656 * entire ILT. This is needed to prevent ILT range error.
6657 * 2. Any PF driver load flow:
6658 * a. ILT update with the physical addresses of the allocated
6659 * logical pages.
6660 * b. Wait 20msec. - note that this timeout is needed to make
6661 * sure there are no requests in one of the PXP internal
6662 * queues with "old" ILT addresses.
6663 * c. PF enable in the PGLC.
6664 * d. Clear the was_error of the PF in the PGLC. (could have
Yuval Mintz2de67432013-01-23 03:21:43 +00006665 * occurred while driver was down)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006666 * e. PF enable in the CFC (WEAK + STRONG)
6667 * f. Timers scan enable
6668 * 3. PF driver unload flow:
6669 * a. Clear the Timers scan_en.
6670 * b. Polling for scan_on=0 for that PF.
6671 * c. Clear the PF enable bit in the PXP.
6672 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6673 * e. Write zero+valid to all ILT entries (The valid bit must
6674 * stay set)
6675 * f. If this is VNIC 3 of a port then also init
6676 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6677 * to the last enrty in the ILT.
6678 *
6679 * Notes:
6680 * Currently the PF error in the PGLC is non recoverable.
6681 * In the future the there will be a recovery routine for this error.
6682 * Currently attention is masked.
6683 * Having an MCP lock on the load/unload process does not guarantee that
6684 * there is no Timer disable during Func6/7 enable. This is because the
6685 * Timers scan is currently being cleared by the MCP on FLR.
6686 * Step 2.d can be done only for PF6/7 and the driver can also check if
6687 * there is error before clearing it. But the flow above is simpler and
6688 * more general.
6689 * All ILT entries are written by zero+valid and not just PF6/7
6690 * ILT entries since in the future the ILT entries allocation for
6691 * PF-s might be dynamic.
6692 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006693 struct ilt_client_info ilt_cli;
6694 struct bnx2x_ilt ilt;
6695 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6696 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6697
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006698 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006699 ilt_cli.start = 0;
6700 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6701 ilt_cli.client_num = ILT_CLIENT_TM;
6702
6703 /* Step 1: set zeroes to all ilt page entries with valid bit on
6704 * Step 2: set the timers first/last ilt entry to point
6705 * to the entire range to prevent ILT range error for 3rd/4th
Yuval Mintz2de67432013-01-23 03:21:43 +00006706 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006707 *
6708 * both steps performed by call to bnx2x_ilt_client_init_op()
6709 * with dummy TM client
6710 *
6711 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6712 * and his brother are split registers
6713 */
6714 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6715 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6716 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6717
6718 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6719 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6720 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6721 }
6722
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006723 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6724 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006725
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006726 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006727 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6728 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006729 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006730
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006731 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006732
6733 /* let the HW do it's magic ... */
6734 do {
6735 msleep(200);
6736 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6737 } while (factor-- && (val != 1));
6738
6739 if (val != 1) {
6740 BNX2X_ERR("ATC_INIT failed\n");
6741 return -EBUSY;
6742 }
6743 }
6744
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006745 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006746
Ariel Eliorb56e9672013-01-01 05:22:32 +00006747 bnx2x_iov_init_dmae(bp);
6748
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006749 /* clean the DMAE memory */
6750 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006751 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006752
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006753 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6754
6755 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6756
6757 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6758
6759 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006761 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6762 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6763 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6764 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006766 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006767
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006768
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006769 /* QM queues pointers table */
6770 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006771
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006772 /* soft reset pulse */
6773 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6774 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006775
Merav Sicron55c11942012-11-07 00:45:48 +00006776 if (CNIC_SUPPORT(bp))
6777 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006778
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006779 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006780 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006781 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006782 /* enable hw interrupt from doorbell Q */
6783 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006784
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006785 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006787 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006788 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006789
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006790 if (!CHIP_IS_E1(bp))
6791 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6792
Barak Witkowskia3348722012-04-23 03:04:46 +00006793 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6794 if (IS_MF_AFEX(bp)) {
6795 /* configure that VNTag and VLAN headers must be
6796 * received in afex mode
6797 */
6798 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6799 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6800 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6801 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6802 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6803 } else {
6804 /* Bit-map indicating which L2 hdrs may appear
6805 * after the basic Ethernet header
6806 */
6807 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6808 bp->path_has_ovlan ? 7 : 6);
6809 }
6810 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006811
6812 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6813 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6814 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6815 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6816
6817 if (!CHIP_IS_E1x(bp)) {
6818 /* reset VFC memories */
6819 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6820 VFC_MEMORIES_RST_REG_CAM_RST |
6821 VFC_MEMORIES_RST_REG_RAM_RST);
6822 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6823 VFC_MEMORIES_RST_REG_CAM_RST |
6824 VFC_MEMORIES_RST_REG_RAM_RST);
6825
6826 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006827 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006828
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006829 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6830 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6831 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6832 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006834 /* sync semi rtc */
6835 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6836 0x80000000);
6837 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6838 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006840 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6841 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6842 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006843
Barak Witkowskia3348722012-04-23 03:04:46 +00006844 if (!CHIP_IS_E1x(bp)) {
6845 if (IS_MF_AFEX(bp)) {
6846 /* configure that VNTag and VLAN headers must be
6847 * sent in afex mode
6848 */
6849 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6850 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6851 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6852 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6853 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6854 } else {
6855 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6856 bp->path_has_ovlan ? 7 : 6);
6857 }
6858 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006859
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006860 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006862 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6863
Merav Sicron55c11942012-11-07 00:45:48 +00006864 if (CNIC_SUPPORT(bp)) {
6865 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6866 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6867 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6868 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6869 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6870 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6871 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6872 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6873 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6874 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6875 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006876 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006877
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006878 if (sizeof(union cdu_context) != 1024)
6879 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006880 dev_alert(&bp->pdev->dev,
6881 "please adjust the size of cdu_context(%ld)\n",
6882 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006883
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006884 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885 val = (4 << 24) + (0 << 12) + 1024;
6886 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006887
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006888 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006889 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006890 /* enable context validation interrupt from CFC */
6891 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6892
6893 /* set the thresholds to prevent CFC/CDU race */
6894 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006895
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006896 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006898 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006899 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6900
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006901 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6902 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006903
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006904 /* Reset PCIE errors for debug */
6905 REG_WR(bp, 0x2814, 0xffffffff);
6906 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006908 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006909 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6910 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6911 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6912 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6913 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6914 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6915 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6916 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6917 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6918 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6919 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6920 }
6921
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006922 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006923 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006924 /* in E3 this done in per-port section */
6925 if (!CHIP_IS_E3(bp))
6926 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6927 }
6928 if (CHIP_IS_E1H(bp))
6929 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006930 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006931
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006932 if (CHIP_REV_IS_SLOW(bp))
6933 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006935 /* finish CFC init */
6936 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6937 if (val != 1) {
6938 BNX2X_ERR("CFC LL_INIT failed\n");
6939 return -EBUSY;
6940 }
6941 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6942 if (val != 1) {
6943 BNX2X_ERR("CFC AC_INIT failed\n");
6944 return -EBUSY;
6945 }
6946 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6947 if (val != 1) {
6948 BNX2X_ERR("CFC CAM_INIT failed\n");
6949 return -EBUSY;
6950 }
6951 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006952
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006953 if (CHIP_IS_E1(bp)) {
6954 /* read NIG statistic
6955 to see if this is our first up since powerup */
6956 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6957 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006958
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006959 /* do internal memory self test */
6960 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6961 BNX2X_ERR("internal mem self test failed\n");
6962 return -EBUSY;
6963 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006964 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006965
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006966 bnx2x_setup_fan_failure_detection(bp);
6967
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006968 /* clear PXP2 attentions */
6969 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006970
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006971 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006972 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006973
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006974 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006975 if (CHIP_IS_E1x(bp))
6976 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006977 } else
6978 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006980 return 0;
6981}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006982
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006983/**
6984 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6985 *
6986 * @bp: driver handle
6987 */
6988static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6989{
6990 int rc = bnx2x_init_hw_common(bp);
6991
6992 if (rc)
6993 return rc;
6994
6995 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6996 if (!BP_NOMCP(bp))
6997 bnx2x__common_init_phy(bp);
6998
6999 return 0;
7000}
7001
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007002static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007003{
7004 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007005 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00007006 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007007 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007008
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007009
Merav Sicron51c1a582012-03-18 10:33:38 +00007010 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007011
7012 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007013
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007014 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7015 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7016 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07007017
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007018 /* Timers bug workaround: disables the pf_master bit in pglue at
7019 * common phase, we need to enable it here before any dmae access are
7020 * attempted. Therefore we manually added the enable-master to the
7021 * port phase (it also happens in the function phase)
7022 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007023 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007024 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7025
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007026 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7027 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7028 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
7029 bnx2x_init_block(bp, BLOCK_QM, init_phase);
7030
7031 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7032 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7033 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7034 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007036 /* QM cid (connection) count */
7037 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007038
Merav Sicron55c11942012-11-07 00:45:48 +00007039 if (CNIC_SUPPORT(bp)) {
7040 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7041 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
7042 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
7043 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007044
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007045 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00007046
Dmitry Kravkov2b674042012-10-28 21:59:04 +00007047 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7048
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007049 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007050
7051 if (IS_MF(bp))
7052 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
7053 else if (bp->dev->mtu > 4096) {
7054 if (bp->flags & ONE_PORT_FLAG)
7055 low = 160;
7056 else {
7057 val = bp->dev->mtu;
7058 /* (24*1024 + val*4)/256 */
7059 low = 96 + (val/64) +
7060 ((val % 64) ? 1 : 0);
7061 }
7062 } else
7063 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
7064 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007065 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
7066 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
7067 }
7068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007069 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007070 REG_WR(bp, (BP_PORT(bp) ?
7071 BRB1_REG_MAC_GUARANTIED_1 :
7072 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007073
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007075 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00007076 if (CHIP_IS_E3B0(bp)) {
7077 if (IS_MF_AFEX(bp)) {
7078 /* configure headers for AFEX mode */
7079 REG_WR(bp, BP_PORT(bp) ?
7080 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7081 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
7082 REG_WR(bp, BP_PORT(bp) ?
7083 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
7084 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
7085 REG_WR(bp, BP_PORT(bp) ?
7086 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
7087 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
7088 } else {
7089 /* Ovlan exists only if we are in multi-function +
7090 * switch-dependent mode, in switch-independent there
7091 * is no ovlan headers
7092 */
7093 REG_WR(bp, BP_PORT(bp) ?
7094 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7095 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
7096 (bp->path_has_ovlan ? 7 : 6));
7097 }
7098 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007099
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007100 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7101 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7102 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7103 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7104
7105 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7106 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7107 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7108 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
7109
7110 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7111 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7112
7113 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7114
7115 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007116 /* configure PBF to work without PAUSE mtu 9000 */
7117 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007118
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007119 /* update threshold */
7120 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
7121 /* update init credit */
7122 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007123
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007124 /* probe changes */
7125 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
7126 udelay(50);
7127 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
7128 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007129
Merav Sicron55c11942012-11-07 00:45:48 +00007130 if (CNIC_SUPPORT(bp))
7131 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007133 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
7134 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007135
7136 if (CHIP_IS_E1(bp)) {
7137 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7138 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7139 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007140 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007141
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007142 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007144 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007145 /* init aeu_mask_attn_func_0/1:
7146 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
7147 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
7148 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00007149 val = IS_MF(bp) ? 0xF7 : 0x7;
7150 /* Enable DCBX attention for all but E1 */
7151 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
7152 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007153
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007154 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007155
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007156 if (!CHIP_IS_E1x(bp)) {
7157 /* Bit-map indicating which L2 hdrs may appear after the
7158 * basic Ethernet header
7159 */
Barak Witkowskia3348722012-04-23 03:04:46 +00007160 if (IS_MF_AFEX(bp))
7161 REG_WR(bp, BP_PORT(bp) ?
7162 NIG_REG_P1_HDRS_AFTER_BASIC :
7163 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
7164 else
7165 REG_WR(bp, BP_PORT(bp) ?
7166 NIG_REG_P1_HDRS_AFTER_BASIC :
7167 NIG_REG_P0_HDRS_AFTER_BASIC,
7168 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007169
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007170 if (CHIP_IS_E3(bp))
7171 REG_WR(bp, BP_PORT(bp) ?
7172 NIG_REG_LLH1_MF_MODE :
7173 NIG_REG_LLH_MF_MODE, IS_MF(bp));
7174 }
7175 if (!CHIP_IS_E3(bp))
7176 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007178 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007179 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007180 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007181 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007182
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007183 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007184 val = 0;
7185 switch (bp->mf_mode) {
7186 case MULTI_FUNCTION_SD:
7187 val = 1;
7188 break;
7189 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00007190 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007191 val = 2;
7192 break;
7193 }
7194
7195 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
7196 NIG_REG_LLH0_CLS_TYPE), val);
7197 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00007198 {
7199 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
7200 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
7201 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
7202 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007203 }
7204
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007205 /* If SPIO5 is set to generate interrupts, enable it for this port */
7206 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00007207 if (val & MISC_SPIO_SPIO5) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007208 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
7209 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
7210 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007211 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007212 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007213 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007215 return 0;
7216}
7217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007218static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
7219{
7220 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00007221 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007222
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007223 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007224 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007225 else
7226 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007227
Yuval Mintz32d68de2012-04-03 18:41:24 +00007228 wb_write[0] = ONCHIP_ADDR1(addr);
7229 wb_write[1] = ONCHIP_ADDR2(addr);
7230 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007231}
7232
Ariel Eliorb56e9672013-01-01 05:22:32 +00007233void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf)
Eric Dumazet1191cb82012-04-27 21:39:21 +00007234{
7235 u32 data, ctl, cnt = 100;
7236 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7237 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7238 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7239 u32 sb_bit = 1 << (idu_sb_id%32);
Ariel Eliorb56e9672013-01-01 05:22:32 +00007240 u32 func_encode = func | (is_pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
Eric Dumazet1191cb82012-04-27 21:39:21 +00007241 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7242
7243 /* Not supported in BC mode */
7244 if (CHIP_INT_MODE_IS_BC(bp))
7245 return;
7246
7247 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7248 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7249 IGU_REGULAR_CLEANUP_SET |
7250 IGU_REGULAR_BCLEANUP;
7251
7252 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7253 func_encode << IGU_CTRL_REG_FID_SHIFT |
7254 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7255
7256 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7257 data, igu_addr_data);
7258 REG_WR(bp, igu_addr_data, data);
7259 mmiowb();
7260 barrier();
7261 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7262 ctl, igu_addr_ctl);
7263 REG_WR(bp, igu_addr_ctl, ctl);
7264 mmiowb();
7265 barrier();
7266
7267 /* wait for clean up to finish */
7268 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7269 msleep(20);
7270
7271
7272 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7273 DP(NETIF_MSG_HW,
7274 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7275 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7276 }
7277}
7278
7279static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007280{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007281 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007282}
7283
Eric Dumazet1191cb82012-04-27 21:39:21 +00007284static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007285{
7286 u32 i, base = FUNC_ILT_BASE(func);
7287 for (i = base; i < base + ILT_PER_FUNC; i++)
7288 bnx2x_ilt_wr(bp, i, 0);
7289}
7290
Merav Sicron55c11942012-11-07 00:45:48 +00007291
Merav Sicron910cc722012-11-11 03:56:08 +00007292static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007293{
7294 int port = BP_PORT(bp);
7295 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7296 /* T1 hash bits value determines the T1 number of entries */
7297 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7298}
7299
7300static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7301{
7302 int rc;
7303 struct bnx2x_func_state_params func_params = {NULL};
7304 struct bnx2x_func_switch_update_params *switch_update_params =
7305 &func_params.params.switch_update;
7306
7307 /* Prepare parameters for function state transitions */
7308 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7309 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7310
7311 func_params.f_obj = &bp->func_obj;
7312 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7313
7314 /* Function parameters */
7315 switch_update_params->suspend = suspend;
7316
7317 rc = bnx2x_func_state_change(bp, &func_params);
7318
7319 return rc;
7320}
7321
Merav Sicron910cc722012-11-11 03:56:08 +00007322static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007323{
7324 int rc, i, port = BP_PORT(bp);
7325 int vlan_en = 0, mac_en[NUM_MACS];
7326
7327
7328 /* Close input from network */
7329 if (bp->mf_mode == SINGLE_FUNCTION) {
7330 bnx2x_set_rx_filter(&bp->link_params, 0);
7331 } else {
7332 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7333 NIG_REG_LLH0_FUNC_EN);
7334 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7335 NIG_REG_LLH0_FUNC_EN, 0);
7336 for (i = 0; i < NUM_MACS; i++) {
7337 mac_en[i] = REG_RD(bp, port ?
7338 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7339 4 * i) :
7340 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7341 4 * i));
7342 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7343 4 * i) :
7344 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7345 }
7346 }
7347
7348 /* Close BMC to host */
7349 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7350 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7351
7352 /* Suspend Tx switching to the PF. Completion of this ramrod
7353 * further guarantees that all the packets of that PF / child
7354 * VFs in BRB were processed by the Parser, so it is safe to
7355 * change the NIC_MODE register.
7356 */
7357 rc = bnx2x_func_switch_update(bp, 1);
7358 if (rc) {
7359 BNX2X_ERR("Can't suspend tx-switching!\n");
7360 return rc;
7361 }
7362
7363 /* Change NIC_MODE register */
7364 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7365
7366 /* Open input from network */
7367 if (bp->mf_mode == SINGLE_FUNCTION) {
7368 bnx2x_set_rx_filter(&bp->link_params, 1);
7369 } else {
7370 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7371 NIG_REG_LLH0_FUNC_EN, vlan_en);
7372 for (i = 0; i < NUM_MACS; i++) {
7373 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7374 4 * i) :
7375 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7376 mac_en[i]);
7377 }
7378 }
7379
7380 /* Enable BMC to host */
7381 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7382 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7383
7384 /* Resume Tx switching to the PF */
7385 rc = bnx2x_func_switch_update(bp, 0);
7386 if (rc) {
7387 BNX2X_ERR("Can't resume tx-switching!\n");
7388 return rc;
7389 }
7390
7391 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7392 return 0;
7393}
7394
7395int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7396{
7397 int rc;
7398
7399 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7400
7401 if (CONFIGURE_NIC_MODE(bp)) {
7402 /* Configrue searcher as part of function hw init */
7403 bnx2x_init_searcher(bp);
7404
7405 /* Reset NIC mode */
7406 rc = bnx2x_reset_nic_mode(bp);
7407 if (rc)
7408 BNX2X_ERR("Can't change NIC mode!\n");
7409 return rc;
7410 }
7411
7412 return 0;
7413}
7414
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007415static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007416{
7417 int port = BP_PORT(bp);
7418 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007419 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007420 struct bnx2x_ilt *ilt = BP_ILT(bp);
7421 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007422 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007423 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007424 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007425
Merav Sicron51c1a582012-03-18 10:33:38 +00007426 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007427
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007428 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007429 if (!CHIP_IS_E1x(bp)) {
7430 rc = bnx2x_pf_flr_clnup(bp);
Yuval Mintz04c46732013-01-23 03:21:46 +00007431 if (rc) {
7432 bnx2x_fw_dump(bp);
Ariel Elior89db4ad2012-01-26 06:01:48 +00007433 return rc;
Yuval Mintz04c46732013-01-23 03:21:46 +00007434 }
Ariel Elior89db4ad2012-01-26 06:01:48 +00007435 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007436
Eilon Greenstein8badd272009-02-12 08:36:15 +00007437 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007438 if (bp->common.int_block == INT_BLOCK_HC) {
7439 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7440 val = REG_RD(bp, addr);
7441 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7442 REG_WR(bp, addr, val);
7443 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007444
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007445 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7446 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7447
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007448 ilt = BP_ILT(bp);
7449 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007450
Ariel Elior290ca2b2013-01-01 05:22:31 +00007451 if (IS_SRIOV(bp))
7452 cdu_ilt_start += BNX2X_FIRST_VF_CID/ILT_PAGE_CIDS;
7453 cdu_ilt_start = bnx2x_iov_init_ilt(bp, cdu_ilt_start);
7454
7455 /* since BNX2X_FIRST_VF_CID > 0 the PF L2 cids precedes
7456 * those of the VFs, so start line should be reset
7457 */
7458 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007459 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007460 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007461 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007462 bp->context[i].cxt_mapping;
7463 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007464 }
Ariel Elior290ca2b2013-01-01 05:22:31 +00007465
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007466 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007467
Merav Sicron55c11942012-11-07 00:45:48 +00007468 if (!CONFIGURE_NIC_MODE(bp)) {
7469 bnx2x_init_searcher(bp);
7470 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7471 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7472 } else {
7473 /* Set NIC mode */
7474 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7475 DP(NETIF_MSG_IFUP, "NIC MODE configrued\n");
Michael Chan37b091b2009-10-10 13:46:55 +00007476
Merav Sicron55c11942012-11-07 00:45:48 +00007477 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007478
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007479 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007480 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7481
7482 /* Turn on a single ISR mode in IGU if driver is going to use
7483 * INT#x or MSI
7484 */
7485 if (!(bp->flags & USING_MSIX_FLAG))
7486 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7487 /*
7488 * Timers workaround bug: function init part.
7489 * Need to wait 20msec after initializing ILT,
7490 * needed to make sure there are no requests in
7491 * one of the PXP internal queues with "old" ILT addresses
7492 */
7493 msleep(20);
7494 /*
7495 * Master enable - Due to WB DMAE writes performed before this
7496 * register is re-initialized as part of the regular function
7497 * init
7498 */
7499 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7500 /* Enable the function in IGU */
7501 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7502 }
7503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007504 bp->dmae_ready = 1;
7505
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007506 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007507
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007508 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007509 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007511 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7512 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7513 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7514 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7515 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7516 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7517 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7518 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7519 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7520 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7521 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7522 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7523 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007524
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007525 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007526 REG_WR(bp, QM_REG_PF_EN, 1);
7527
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007528 if (!CHIP_IS_E1x(bp)) {
7529 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7530 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7531 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7532 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7533 }
7534 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007535
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007536 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7537 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Ariel Eliorb56e9672013-01-01 05:22:32 +00007538
7539 bnx2x_iov_init_dq(bp);
7540
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007541 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7542 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7543 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7544 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7545 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7546 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7547 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7548 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7549 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7550 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007551 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7552
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007553 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007555 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007556
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007557 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007558 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7559
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007560 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007561 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007562 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007563 }
7564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007565 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007566
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007567 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007568 if (bp->common.int_block == INT_BLOCK_HC) {
7569 if (CHIP_IS_E1H(bp)) {
7570 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7571
7572 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7573 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7574 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007575 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007576
7577 } else {
7578 int num_segs, sb_idx, prod_offset;
7579
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007580 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7581
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007582 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007583 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7584 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7585 }
7586
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007587 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007588
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007589 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007590 int dsb_idx = 0;
7591 /**
7592 * Producer memory:
7593 * E2 mode: address 0-135 match to the mapping memory;
7594 * 136 - PF0 default prod; 137 - PF1 default prod;
7595 * 138 - PF2 default prod; 139 - PF3 default prod;
7596 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7597 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7598 * 144-147 reserved.
7599 *
7600 * E1.5 mode - In backward compatible mode;
7601 * for non default SB; each even line in the memory
7602 * holds the U producer and each odd line hold
7603 * the C producer. The first 128 producers are for
7604 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7605 * producers are for the DSB for each PF.
7606 * Each PF has five segments: (the order inside each
7607 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7608 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7609 * 144-147 attn prods;
7610 */
7611 /* non-default-status-blocks */
7612 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7613 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7614 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7615 prod_offset = (bp->igu_base_sb + sb_idx) *
7616 num_segs;
7617
7618 for (i = 0; i < num_segs; i++) {
7619 addr = IGU_REG_PROD_CONS_MEMORY +
7620 (prod_offset + i) * 4;
7621 REG_WR(bp, addr, 0);
7622 }
7623 /* send consumer update with value 0 */
7624 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7625 USTORM_ID, 0, IGU_INT_NOP, 1);
7626 bnx2x_igu_clear_sb(bp,
7627 bp->igu_base_sb + sb_idx);
7628 }
7629
7630 /* default-status-blocks */
7631 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7632 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7633
7634 if (CHIP_MODE_IS_4_PORT(bp))
7635 dsb_idx = BP_FUNC(bp);
7636 else
David S. Miller8decf862011-09-22 03:23:13 -04007637 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007638
7639 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7640 IGU_BC_BASE_DSB_PROD + dsb_idx :
7641 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7642
David S. Miller8decf862011-09-22 03:23:13 -04007643 /*
7644 * igu prods come in chunks of E1HVN_MAX (4) -
7645 * does not matters what is the current chip mode
7646 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007647 for (i = 0; i < (num_segs * E1HVN_MAX);
7648 i += E1HVN_MAX) {
7649 addr = IGU_REG_PROD_CONS_MEMORY +
7650 (prod_offset + i)*4;
7651 REG_WR(bp, addr, 0);
7652 }
7653 /* send consumer update with 0 */
7654 if (CHIP_INT_MODE_IS_BC(bp)) {
7655 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7656 USTORM_ID, 0, IGU_INT_NOP, 1);
7657 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7658 CSTORM_ID, 0, IGU_INT_NOP, 1);
7659 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7660 XSTORM_ID, 0, IGU_INT_NOP, 1);
7661 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7662 TSTORM_ID, 0, IGU_INT_NOP, 1);
7663 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7664 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7665 } else {
7666 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7667 USTORM_ID, 0, IGU_INT_NOP, 1);
7668 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7669 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7670 }
7671 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7672
7673 /* !!! these should become driver const once
7674 rf-tool supports split-68 const */
7675 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7676 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7677 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7678 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7679 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7680 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7681 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007682 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007683
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007684 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007685 REG_WR(bp, 0x2114, 0xffffffff);
7686 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007687
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007688 if (CHIP_IS_E1x(bp)) {
7689 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7690 main_mem_base = HC_REG_MAIN_MEMORY +
7691 BP_PORT(bp) * (main_mem_size * 4);
7692 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7693 main_mem_width = 8;
7694
7695 val = REG_RD(bp, main_mem_prty_clr);
7696 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007697 DP(NETIF_MSG_HW,
7698 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7699 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007700
7701 /* Clear "false" parity errors in MSI-X table */
7702 for (i = main_mem_base;
7703 i < main_mem_base + main_mem_size * 4;
7704 i += main_mem_width) {
7705 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7706 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7707 i, main_mem_width / 4);
7708 }
7709 /* Clear HC parity attention */
7710 REG_RD(bp, main_mem_prty_clr);
7711 }
7712
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007713#ifdef BNX2X_STOP_ON_ERROR
7714 /* Enable STORMs SP logging */
7715 REG_WR8(bp, BAR_USTRORM_INTMEM +
7716 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7717 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7718 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7719 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7720 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7721 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7722 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7723#endif
7724
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007725 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007727 return 0;
7728}
7729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730
Merav Sicron55c11942012-11-07 00:45:48 +00007731void bnx2x_free_mem_cnic(struct bnx2x *bp)
7732{
7733 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
7734
7735 if (!CHIP_IS_E1x(bp))
7736 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7737 sizeof(struct host_hc_status_block_e2));
7738 else
7739 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7740 sizeof(struct host_hc_status_block_e1x));
7741
7742 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7743}
7744
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007745void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007746{
Merav Sicrona0529972012-06-19 07:48:25 +00007747 int i;
7748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007749 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007750 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007751
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007752 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7753 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007755 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007756 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007757
Merav Sicrona0529972012-06-19 07:48:25 +00007758 for (i = 0; i < L2_ILT_LINES(bp); i++)
7759 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7760 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007761 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7762
7763 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007764
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007765 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007767 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7768 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Yuval Mintz580d9d02013-01-23 03:21:51 +00007769
7770 bnx2x_iov_free_mem(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007771}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007772
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007773
Merav Sicron55c11942012-11-07 00:45:48 +00007774int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007775{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007776 if (!CHIP_IS_E1x(bp))
7777 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007778 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7779 sizeof(struct host_hc_status_block_e2));
7780 else
Merav Sicron55c11942012-11-07 00:45:48 +00007781 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb,
7782 &bp->cnic_sb_mapping,
7783 sizeof(struct
7784 host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007785
Merav Sicron55c11942012-11-07 00:45:48 +00007786 if (CONFIGURE_NIC_MODE(bp))
7787 /* allocate searcher T2 table, as it wan't allocated before */
7788 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007789
Merav Sicron55c11942012-11-07 00:45:48 +00007790 /* write address to which L5 should insert its values */
7791 bp->cnic_eth_dev.addr_drv_info_to_mcp =
7792 &bp->slowpath->drv_info_to_mcp;
7793
7794 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
7795 goto alloc_mem_err;
7796
7797 return 0;
7798
7799alloc_mem_err:
7800 bnx2x_free_mem_cnic(bp);
7801 BNX2X_ERR("Can't allocate memory\n");
7802 return -ENOMEM;
7803}
7804
7805int bnx2x_alloc_mem(struct bnx2x *bp)
7806{
7807 int i, allocated, context_size;
7808
7809 if (!CONFIGURE_NIC_MODE(bp))
7810 /* allocate searcher T2 table */
7811 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007812
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007813 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007814 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007815
7816 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7817 sizeof(struct bnx2x_slowpath));
7818
Merav Sicrona0529972012-06-19 07:48:25 +00007819 /* Allocate memory for CDU context:
7820 * This memory is allocated separately and not in the generic ILT
7821 * functions because CDU differs in few aspects:
7822 * 1. There are multiple entities allocating memory for context -
7823 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7824 * its own ILT lines.
7825 * 2. Since CDU page-size is not a single 4KB page (which is the case
7826 * for the other ILT clients), to be efficient we want to support
7827 * allocation of sub-page-size in the last entry.
7828 * 3. Context pointers are used by the driver to pass to FW / update
7829 * the context (for the other ILT clients the pointers are used just to
7830 * free the memory during unload).
7831 */
7832 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007833
Merav Sicrona0529972012-06-19 07:48:25 +00007834 for (i = 0, allocated = 0; allocated < context_size; i++) {
7835 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7836 (context_size - allocated));
7837 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7838 &bp->context[i].cxt_mapping,
7839 bp->context[i].size);
7840 allocated += bp->context[i].size;
7841 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007842 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007843
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007844 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7845 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007846
Ariel Elior67c431a2013-01-01 05:22:36 +00007847 if (bnx2x_iov_alloc_mem(bp))
7848 goto alloc_mem_err;
7849
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007850 /* Slow path ring */
7851 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7852
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007853 /* EQ */
7854 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7855 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007856
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007857 return 0;
7858
7859alloc_mem_err:
7860 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007861 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007862 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007863}
7864
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007865/*
7866 * Init service functions
7867 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007868
7869int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7870 struct bnx2x_vlan_mac_obj *obj, bool set,
7871 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007872{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007873 int rc;
7874 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007875
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007876 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007877
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007878 /* Fill general parameters */
7879 ramrod_param.vlan_mac_obj = obj;
7880 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007881
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007882 /* Fill a user request section if needed */
7883 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7884 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007886 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007887
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007888 /* Set the command: ADD or DEL */
7889 if (set)
7890 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7891 else
7892 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007893 }
7894
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007895 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007896
7897 if (rc == -EEXIST) {
7898 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
7899 /* do not treat adding same MAC as error */
7900 rc = 0;
7901 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007902 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007904 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007905}
7906
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007907int bnx2x_del_all_macs(struct bnx2x *bp,
7908 struct bnx2x_vlan_mac_obj *mac_obj,
7909 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007910{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007911 int rc;
7912 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7913
7914 /* Wait for completion of requested */
7915 if (wait_for_comp)
7916 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7917
7918 /* Set the mac type of addresses we want to clear */
7919 __set_bit(mac_type, &vlan_mac_flags);
7920
7921 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7922 if (rc < 0)
7923 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7924
7925 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007926}
7927
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007928int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007929{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007930 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007931
Barak Witkowskia3348722012-04-23 03:04:46 +00007932 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7933 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007934 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7935 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007936 return 0;
7937 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007938
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007939 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007940
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007941 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7942 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007943 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7944 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007945}
7946
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007947int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007948{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007949 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007950}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007951
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007952/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007953 * bnx2x_set_int_mode - configure interrupt mode
7954 *
7955 * @bp: driver handle
7956 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007957 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007958 */
Ariel Elior1ab44342013-01-01 05:22:23 +00007959int bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007960{
Ariel Elior1ab44342013-01-01 05:22:23 +00007961 int rc = 0;
7962
7963 if (IS_VF(bp) && int_mode != BNX2X_INT_MODE_MSIX)
7964 return -EINVAL;
7965
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007966 switch (int_mode) {
Ariel Elior1ab44342013-01-01 05:22:23 +00007967 case BNX2X_INT_MODE_MSIX:
7968 /* attempt to enable msix */
7969 rc = bnx2x_enable_msix(bp);
7970
7971 /* msix attained */
7972 if (!rc)
7973 return 0;
7974
7975 /* vfs use only msix */
7976 if (rc && IS_VF(bp))
7977 return rc;
7978
7979 /* failed to enable multiple MSI-X */
7980 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
7981 bp->num_queues,
7982 1 + bp->num_cnic_queues);
7983
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007984 /* falling through... */
Ariel Elior1ab44342013-01-01 05:22:23 +00007985 case BNX2X_INT_MODE_MSI:
7986 bnx2x_enable_msi(bp);
7987
7988 /* falling through... */
7989 case BNX2X_INT_MODE_INTX:
Merav Sicron55c11942012-11-07 00:45:48 +00007990 bp->num_ethernet_queues = 1;
7991 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00007992 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007993 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007994 default:
Ariel Elior1ab44342013-01-01 05:22:23 +00007995 BNX2X_DEV_INFO("unknown value in int_mode module parameter\n");
7996 return -EINVAL;
Eilon Greensteinca003922009-08-12 22:53:28 -07007997 }
Ariel Elior1ab44342013-01-01 05:22:23 +00007998 return 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07007999}
8000
Ariel Elior1ab44342013-01-01 05:22:23 +00008001/* must be called prior to any HW initializations */
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008002static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
8003{
Ariel Elior290ca2b2013-01-01 05:22:31 +00008004 if (IS_SRIOV(bp))
8005 return (BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)/ILT_PAGE_CIDS;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008006 return L2_ILT_LINES(bp);
8007}
8008
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008009void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008010{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008011 struct ilt_client_info *ilt_client;
8012 struct bnx2x_ilt *ilt = BP_ILT(bp);
8013 u16 line = 0;
8014
8015 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
8016 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
8017
8018 /* CDU */
8019 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
8020 ilt_client->client_num = ILT_CLIENT_CDU;
8021 ilt_client->page_size = CDU_ILT_PAGE_SZ;
8022 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
8023 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008024 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008025
8026 if (CNIC_SUPPORT(bp))
8027 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008028 ilt_client->end = line - 1;
8029
Merav Sicron51c1a582012-03-18 10:33:38 +00008030 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 +00008031 ilt_client->start,
8032 ilt_client->end,
8033 ilt_client->page_size,
8034 ilt_client->flags,
8035 ilog2(ilt_client->page_size >> 12));
8036
8037 /* QM */
8038 if (QM_INIT(bp->qm_cid_count)) {
8039 ilt_client = &ilt->clients[ILT_CLIENT_QM];
8040 ilt_client->client_num = ILT_CLIENT_QM;
8041 ilt_client->page_size = QM_ILT_PAGE_SZ;
8042 ilt_client->flags = 0;
8043 ilt_client->start = line;
8044
8045 /* 4 bytes for each cid */
8046 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
8047 QM_ILT_PAGE_SZ);
8048
8049 ilt_client->end = line - 1;
8050
Merav Sicron51c1a582012-03-18 10:33:38 +00008051 DP(NETIF_MSG_IFUP,
8052 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008053 ilt_client->start,
8054 ilt_client->end,
8055 ilt_client->page_size,
8056 ilt_client->flags,
8057 ilog2(ilt_client->page_size >> 12));
8058
8059 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008060
Merav Sicron55c11942012-11-07 00:45:48 +00008061 if (CNIC_SUPPORT(bp)) {
8062 /* SRC */
8063 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
8064 ilt_client->client_num = ILT_CLIENT_SRC;
8065 ilt_client->page_size = SRC_ILT_PAGE_SZ;
8066 ilt_client->flags = 0;
8067 ilt_client->start = line;
8068 line += SRC_ILT_LINES;
8069 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008070
Merav Sicron55c11942012-11-07 00:45:48 +00008071 DP(NETIF_MSG_IFUP,
8072 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8073 ilt_client->start,
8074 ilt_client->end,
8075 ilt_client->page_size,
8076 ilt_client->flags,
8077 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008078
Merav Sicron55c11942012-11-07 00:45:48 +00008079 /* TM */
8080 ilt_client = &ilt->clients[ILT_CLIENT_TM];
8081 ilt_client->client_num = ILT_CLIENT_TM;
8082 ilt_client->page_size = TM_ILT_PAGE_SZ;
8083 ilt_client->flags = 0;
8084 ilt_client->start = line;
8085 line += TM_ILT_LINES;
8086 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008087
Merav Sicron55c11942012-11-07 00:45:48 +00008088 DP(NETIF_MSG_IFUP,
8089 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8090 ilt_client->start,
8091 ilt_client->end,
8092 ilt_client->page_size,
8093 ilt_client->flags,
8094 ilog2(ilt_client->page_size >> 12));
8095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008096
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008097 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008098}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008099
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008100/**
8101 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
8102 *
8103 * @bp: driver handle
8104 * @fp: pointer to fastpath
8105 * @init_params: pointer to parameters structure
8106 *
8107 * parameters configured:
8108 * - HC configuration
8109 * - Queue's CDU context
8110 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008111static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008112 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008113{
Ariel Elior6383c0b2011-07-14 08:31:57 +00008114
8115 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00008116 int cxt_index, cxt_offset;
8117
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008118 /* FCoE Queue uses Default SB, thus has no HC capabilities */
8119 if (!IS_FCOE_FP(fp)) {
8120 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
8121 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
8122
8123 /* If HC is supporterd, enable host coalescing in the transition
8124 * to INIT state.
8125 */
8126 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
8127 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
8128
8129 /* HC rate */
8130 init_params->rx.hc_rate = bp->rx_ticks ?
8131 (1000000 / bp->rx_ticks) : 0;
8132 init_params->tx.hc_rate = bp->tx_ticks ?
8133 (1000000 / bp->tx_ticks) : 0;
8134
8135 /* FW SB ID */
8136 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
8137 fp->fw_sb_id;
8138
8139 /*
8140 * CQ index among the SB indices: FCoE clients uses the default
8141 * SB, therefore it's different.
8142 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008143 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
8144 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008145 }
8146
Ariel Elior6383c0b2011-07-14 08:31:57 +00008147 /* set maximum number of COSs supported by this queue */
8148 init_params->max_cos = fp->max_cos;
8149
Merav Sicron51c1a582012-03-18 10:33:38 +00008150 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008151 fp->index, init_params->max_cos);
8152
8153 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00008154 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00008155 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
8156 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00008157 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008158 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00008159 &bp->context[cxt_index].vcxt[cxt_offset].eth;
8160 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008161}
8162
Merav Sicron910cc722012-11-11 03:56:08 +00008163static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00008164 struct bnx2x_queue_state_params *q_params,
8165 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
8166 int tx_index, bool leading)
8167{
8168 memset(tx_only_params, 0, sizeof(*tx_only_params));
8169
8170 /* Set the command */
8171 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
8172
8173 /* Set tx-only QUEUE flags: don't zero statistics */
8174 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
8175
8176 /* choose the index of the cid to send the slow path on */
8177 tx_only_params->cid_index = tx_index;
8178
8179 /* Set general TX_ONLY_SETUP parameters */
8180 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
8181
8182 /* Set Tx TX_ONLY_SETUP parameters */
8183 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
8184
Merav Sicron51c1a582012-03-18 10:33:38 +00008185 DP(NETIF_MSG_IFUP,
8186 "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 +00008187 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
8188 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
8189 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
8190
8191 /* send the ramrod */
8192 return bnx2x_queue_state_change(bp, q_params);
8193}
8194
8195
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008196/**
8197 * bnx2x_setup_queue - setup queue
8198 *
8199 * @bp: driver handle
8200 * @fp: pointer to fastpath
8201 * @leading: is leading
8202 *
8203 * This function performs 2 steps in a Queue state machine
8204 * actually: 1) RESET->INIT 2) INIT->SETUP
8205 */
8206
8207int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8208 bool leading)
8209{
Yuval Mintz3b603062012-03-18 10:33:39 +00008210 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008211 struct bnx2x_queue_setup_params *setup_params =
8212 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008213 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8214 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008216 u8 tx_index;
8217
Merav Sicron51c1a582012-03-18 10:33:38 +00008218 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008219
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008220 /* reset IGU state skip FCoE L2 queue */
8221 if (!IS_FCOE_FP(fp))
8222 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008223 IGU_INT_ENABLE, 0);
8224
Barak Witkowski15192a82012-06-19 07:48:28 +00008225 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008226 /* We want to wait for completion in this context */
8227 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008228
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008229 /* Prepare the INIT parameters */
8230 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008231
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008232 /* Set the command */
8233 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008234
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008235 /* Change the state to INIT */
8236 rc = bnx2x_queue_state_change(bp, &q_params);
8237 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008238 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008239 return rc;
8240 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008241
Merav Sicron51c1a582012-03-18 10:33:38 +00008242 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008243
8244
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008245 /* Now move the Queue to the SETUP state... */
8246 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008247
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008248 /* Set QUEUE flags */
8249 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008250
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008251 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008252 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8253 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008254
Ariel Elior6383c0b2011-07-14 08:31:57 +00008255 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008256 &setup_params->rxq_params);
8257
Ariel Elior6383c0b2011-07-14 08:31:57 +00008258 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8259 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008260
8261 /* Set the command */
8262 q_params.cmd = BNX2X_Q_CMD_SETUP;
8263
Merav Sicron55c11942012-11-07 00:45:48 +00008264 if (IS_FCOE_FP(fp))
8265 bp->fcoe_init = true;
8266
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008267 /* Change the state to SETUP */
8268 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008269 if (rc) {
8270 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8271 return rc;
8272 }
8273
8274 /* loop through the relevant tx-only indices */
8275 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8276 tx_index < fp->max_cos;
8277 tx_index++) {
8278
8279 /* prepare and send tx-only ramrod*/
8280 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8281 tx_only_params, tx_index, leading);
8282 if (rc) {
8283 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8284 fp->index, tx_index);
8285 return rc;
8286 }
8287 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008288
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008289 return rc;
8290}
8291
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008292static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008293{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008294 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008295 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008296 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008297 int rc, tx_index;
8298
Merav Sicron51c1a582012-03-18 10:33:38 +00008299 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008300
Barak Witkowski15192a82012-06-19 07:48:28 +00008301 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008302 /* We want to wait for completion in this context */
8303 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008304
Ariel Elior6383c0b2011-07-14 08:31:57 +00008305
8306 /* close tx-only connections */
8307 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8308 tx_index < fp->max_cos;
8309 tx_index++){
8310
8311 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008312 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008313
Merav Sicron51c1a582012-03-18 10:33:38 +00008314 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008315 txdata->txq_index);
8316
8317 /* send halt terminate on tx-only connection */
8318 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8319 memset(&q_params.params.terminate, 0,
8320 sizeof(q_params.params.terminate));
8321 q_params.params.terminate.cid_index = tx_index;
8322
8323 rc = bnx2x_queue_state_change(bp, &q_params);
8324 if (rc)
8325 return rc;
8326
8327 /* send halt terminate on tx-only connection */
8328 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8329 memset(&q_params.params.cfc_del, 0,
8330 sizeof(q_params.params.cfc_del));
8331 q_params.params.cfc_del.cid_index = tx_index;
8332 rc = bnx2x_queue_state_change(bp, &q_params);
8333 if (rc)
8334 return rc;
8335 }
8336 /* Stop the primary connection: */
8337 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008338 q_params.cmd = BNX2X_Q_CMD_HALT;
8339 rc = bnx2x_queue_state_change(bp, &q_params);
8340 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008341 return rc;
8342
Ariel Elior6383c0b2011-07-14 08:31:57 +00008343 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008344 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008345 memset(&q_params.params.terminate, 0,
8346 sizeof(q_params.params.terminate));
8347 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008348 rc = bnx2x_queue_state_change(bp, &q_params);
8349 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008350 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008351 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008352 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008353 memset(&q_params.params.cfc_del, 0,
8354 sizeof(q_params.params.cfc_del));
8355 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008356 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008357}
8358
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008360static void bnx2x_reset_func(struct bnx2x *bp)
8361{
8362 int port = BP_PORT(bp);
8363 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008364 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008365
8366 /* Disable the function in the FW */
8367 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8368 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8369 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8370 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8371
8372 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008373 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008374 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008375 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008376 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8377 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008378 }
8379
Merav Sicron55c11942012-11-07 00:45:48 +00008380 if (CNIC_LOADED(bp))
8381 /* CNIC SB */
8382 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8383 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8384 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8385
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008386 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008387 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Yuval Mintz2de67432013-01-23 03:21:43 +00008388 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8389 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008390
8391 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8392 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8393 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008394
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008395 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008396 if (bp->common.int_block == INT_BLOCK_HC) {
8397 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8398 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8399 } else {
8400 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8401 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8402 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008403
Merav Sicron55c11942012-11-07 00:45:48 +00008404 if (CNIC_LOADED(bp)) {
8405 /* Disable Timer scan */
8406 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8407 /*
8408 * Wait for at least 10ms and up to 2 second for the timers
8409 * scan to complete
8410 */
8411 for (i = 0; i < 200; i++) {
8412 msleep(10);
8413 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8414 break;
8415 }
Michael Chan37b091b2009-10-10 13:46:55 +00008416 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008417 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008418 bnx2x_clear_func_ilt(bp, func);
8419
8420 /* Timers workaround bug for E2: if this is vnic-3,
8421 * we need to set the entire ilt range for this timers.
8422 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008423 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008424 struct ilt_client_info ilt_cli;
8425 /* use dummy TM client */
8426 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8427 ilt_cli.start = 0;
8428 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8429 ilt_cli.client_num = ILT_CLIENT_TM;
8430
8431 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8432 }
8433
8434 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008435 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008436 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008437
8438 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008439}
8440
8441static void bnx2x_reset_port(struct bnx2x *bp)
8442{
8443 int port = BP_PORT(bp);
8444 u32 val;
8445
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008446 /* Reset physical Link */
8447 bnx2x__link_reset(bp);
8448
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008449 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8450
8451 /* Do not rcv packets to BRB */
8452 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8453 /* Do not direct rcv packets that are not for MCP to the BRB */
8454 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8455 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8456
8457 /* Configure AEU */
8458 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8459
8460 msleep(100);
8461 /* Check for BRB port occupancy */
8462 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8463 if (val)
8464 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008465 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008466
8467 /* TODO: Close Doorbell port? */
8468}
8469
Eric Dumazet1191cb82012-04-27 21:39:21 +00008470static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008471{
Yuval Mintz3b603062012-03-18 10:33:39 +00008472 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008473
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008474 /* Prepare parameters for function state transitions */
8475 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008476
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008477 func_params.f_obj = &bp->func_obj;
8478 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008479
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008480 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008481
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008482 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008483}
8484
Eric Dumazet1191cb82012-04-27 21:39:21 +00008485static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008486{
Yuval Mintz3b603062012-03-18 10:33:39 +00008487 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008488 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008489
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008490 /* Prepare parameters for function state transitions */
8491 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8492 func_params.f_obj = &bp->func_obj;
8493 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008494
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008495 /*
8496 * Try to stop the function the 'good way'. If fails (in case
8497 * of a parity error during bnx2x_chip_cleanup()) and we are
8498 * not in a debug mode, perform a state transaction in order to
8499 * enable further HW_RESET transaction.
8500 */
8501 rc = bnx2x_func_state_change(bp, &func_params);
8502 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008503#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008504 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008505#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008506 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008507 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8508 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008509#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008510 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008511
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008512 return 0;
8513}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008514
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008515/**
8516 * bnx2x_send_unload_req - request unload mode from the MCP.
8517 *
8518 * @bp: driver handle
8519 * @unload_mode: requested function's unload mode
8520 *
8521 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8522 */
8523u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8524{
8525 u32 reset_code = 0;
8526 int port = BP_PORT(bp);
8527
8528 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008529 if (unload_mode == UNLOAD_NORMAL)
8530 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008531
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008532 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008533 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008534
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008535 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008536 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008537 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008538 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008539 u16 pmc;
8540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008541 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008542 * preserve entry 0 which is used by the PMF
8543 */
David S. Miller8decf862011-09-22 03:23:13 -04008544 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008545
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008546 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008547 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008548
8549 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8550 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008551 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008552
David S. Miller88c51002011-10-07 13:38:43 -04008553 /* Enable the PME and clear the status */
8554 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8555 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8556 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8557
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008558 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008559
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008560 } else
8561 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8562
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008563 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008564 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008565 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008566 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008567 int path = BP_PATH(bp);
8568
Merav Sicron51c1a582012-03-18 10:33:38 +00008569 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008570 path, load_count[path][0], load_count[path][1],
8571 load_count[path][2]);
8572 load_count[path][0]--;
8573 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008574 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008575 path, load_count[path][0], load_count[path][1],
8576 load_count[path][2]);
8577 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008578 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008579 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008580 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8581 else
8582 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8583 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008584
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008585 return reset_code;
8586}
8587
8588/**
8589 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8590 *
8591 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008592 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008593 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008594void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008595{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008596 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8597
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008598 /* Report UNLOAD_DONE to MCP */
8599 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008600 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008601}
8602
Eric Dumazet1191cb82012-04-27 21:39:21 +00008603static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008604{
8605 int tout = 50;
8606 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8607
8608 if (!bp->port.pmf)
8609 return 0;
8610
8611 /*
8612 * (assumption: No Attention from MCP at this stage)
8613 * PMF probably in the middle of TXdisable/enable transaction
8614 * 1. Sync IRS for default SB
8615 * 2. Sync SP queue - this guarantes us that attention handling started
8616 * 3. Wait, that TXdisable/enable transaction completes
8617 *
8618 * 1+2 guranty that if DCBx attention was scheduled it already changed
8619 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8620 * received complettion for the transaction the state is TX_STOPPED.
8621 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8622 * transaction.
8623 */
8624
8625 /* make sure default SB ISR is done */
8626 if (msix)
8627 synchronize_irq(bp->msix_table[0].vector);
8628 else
8629 synchronize_irq(bp->pdev->irq);
8630
8631 flush_workqueue(bnx2x_wq);
8632
8633 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8634 BNX2X_F_STATE_STARTED && tout--)
8635 msleep(20);
8636
8637 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8638 BNX2X_F_STATE_STARTED) {
8639#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008640 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008641 return -EBUSY;
8642#else
8643 /*
8644 * Failed to complete the transaction in a "good way"
8645 * Force both transactions with CLR bit
8646 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008647 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008648
Merav Sicron51c1a582012-03-18 10:33:38 +00008649 DP(NETIF_MSG_IFDOWN,
8650 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008651
8652 func_params.f_obj = &bp->func_obj;
8653 __set_bit(RAMROD_DRV_CLR_ONLY,
8654 &func_params.ramrod_flags);
8655
8656 /* STARTED-->TX_ST0PPED */
8657 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8658 bnx2x_func_state_change(bp, &func_params);
8659
8660 /* TX_ST0PPED-->STARTED */
8661 func_params.cmd = BNX2X_F_CMD_TX_START;
8662 return bnx2x_func_state_change(bp, &func_params);
8663#endif
8664 }
8665
8666 return 0;
8667}
8668
Yuval Mintz5d07d862012-09-13 02:56:21 +00008669void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008670{
8671 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008672 int i, rc = 0;
8673 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008674 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008675 u32 reset_code;
8676
8677 /* Wait until tx fastpath tasks complete */
8678 for_each_tx_queue(bp, i) {
8679 struct bnx2x_fastpath *fp = &bp->fp[i];
8680
Ariel Elior6383c0b2011-07-14 08:31:57 +00008681 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008682 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008683#ifdef BNX2X_STOP_ON_ERROR
8684 if (rc)
8685 return;
8686#endif
8687 }
8688
8689 /* Give HW time to discard old tx messages */
Yuval Mintz0926d492013-01-23 03:21:45 +00008690 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008691
8692 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008693 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8694 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008695 if (rc < 0)
8696 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8697
8698 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008699 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008700 true);
8701 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008702 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8703 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008704
8705 /* Disable LLH */
8706 if (!CHIP_IS_E1(bp))
8707 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8708
8709 /* Set "drop all" (stop Rx).
8710 * We need to take a netif_addr_lock() here in order to prevent
8711 * a race between the completion code and this code.
8712 */
8713 netif_addr_lock_bh(bp->dev);
8714 /* Schedule the rx_mode command */
8715 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8716 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8717 else
8718 bnx2x_set_storm_rx_mode(bp);
8719
8720 /* Cleanup multicast configuration */
8721 rparam.mcast_obj = &bp->mcast_obj;
8722 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8723 if (rc < 0)
8724 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8725
8726 netif_addr_unlock_bh(bp->dev);
8727
Ariel Eliorf1929b02013-01-01 05:22:41 +00008728 bnx2x_iov_chip_cleanup(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008729
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008730
8731 /*
8732 * Send the UNLOAD_REQUEST to the MCP. This will return if
8733 * this function should perform FUNC, PORT or COMMON HW
8734 * reset.
8735 */
8736 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8737
8738 /*
8739 * (assumption: No Attention from MCP at this stage)
8740 * PMF probably in the middle of TXdisable/enable transaction
8741 */
8742 rc = bnx2x_func_wait_started(bp);
8743 if (rc) {
8744 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8745#ifdef BNX2X_STOP_ON_ERROR
8746 return;
8747#endif
8748 }
8749
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008750 /* Close multi and leading connections
8751 * Completions for ramrods are collected in a synchronous way
8752 */
Merav Sicron55c11942012-11-07 00:45:48 +00008753 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008754 if (bnx2x_stop_queue(bp, i))
8755#ifdef BNX2X_STOP_ON_ERROR
8756 return;
8757#else
8758 goto unload_error;
8759#endif
Merav Sicron55c11942012-11-07 00:45:48 +00008760
8761 if (CNIC_LOADED(bp)) {
8762 for_each_cnic_queue(bp, i)
8763 if (bnx2x_stop_queue(bp, i))
8764#ifdef BNX2X_STOP_ON_ERROR
8765 return;
8766#else
8767 goto unload_error;
8768#endif
8769 }
8770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008771 /* If SP settings didn't get completed so far - something
8772 * very wrong has happen.
8773 */
8774 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8775 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8776
8777#ifndef BNX2X_STOP_ON_ERROR
8778unload_error:
8779#endif
8780 rc = bnx2x_func_stop(bp);
8781 if (rc) {
8782 BNX2X_ERR("Function stop failed!\n");
8783#ifdef BNX2X_STOP_ON_ERROR
8784 return;
8785#endif
8786 }
8787
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008788 /* Disable HW interrupts, NAPI */
8789 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00008790 /* Delete all NAPI objects */
8791 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008792 if (CNIC_LOADED(bp))
8793 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008794
8795 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008796 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008797
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008798 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008799 rc = bnx2x_reset_hw(bp, reset_code);
8800 if (rc)
8801 BNX2X_ERR("HW_RESET failed\n");
8802
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008803
8804 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008805 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008806}
8807
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008808void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008809{
8810 u32 val;
8811
Merav Sicron51c1a582012-03-18 10:33:38 +00008812 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008813
8814 if (CHIP_IS_E1(bp)) {
8815 int port = BP_PORT(bp);
8816 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8817 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8818
8819 val = REG_RD(bp, addr);
8820 val &= ~(0x300);
8821 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008822 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008823 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8824 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8825 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8826 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8827 }
8828}
8829
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008830/* Close gates #2, #3 and #4: */
8831static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8832{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008833 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008834
8835 /* Gates #2 and #4a are closed/opened for "not E1" only */
8836 if (!CHIP_IS_E1(bp)) {
8837 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008838 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008839 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008840 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008841 }
8842
8843 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008844 if (CHIP_IS_E1x(bp)) {
8845 /* Prevent interrupts from HC on both ports */
8846 val = REG_RD(bp, HC_REG_CONFIG_1);
8847 REG_WR(bp, HC_REG_CONFIG_1,
8848 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8849 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8850
8851 val = REG_RD(bp, HC_REG_CONFIG_0);
8852 REG_WR(bp, HC_REG_CONFIG_0,
8853 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8854 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8855 } else {
Jorrit Schippersd82603c2012-12-27 17:33:02 +01008856 /* Prevent incoming interrupts in IGU */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008857 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8858
8859 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8860 (!close) ?
8861 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8862 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8863 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008864
Merav Sicron51c1a582012-03-18 10:33:38 +00008865 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008866 close ? "closing" : "opening");
8867 mmiowb();
8868}
8869
8870#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8871
8872static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8873{
8874 /* Do some magic... */
8875 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8876 *magic_val = val & SHARED_MF_CLP_MAGIC;
8877 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8878}
8879
Dmitry Kravkove8920672011-05-04 23:52:40 +00008880/**
8881 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008882 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008883 * @bp: driver handle
8884 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008885 */
8886static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8887{
8888 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008889 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8890 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8891 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8892}
8893
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008894/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008895 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008896 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008897 * @bp: driver handle
8898 * @magic_val: old value of 'magic' bit.
8899 *
8900 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008901 */
8902static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8903{
8904 u32 shmem;
8905 u32 validity_offset;
8906
Merav Sicron51c1a582012-03-18 10:33:38 +00008907 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008908
8909 /* Set `magic' bit in order to save MF config */
8910 if (!CHIP_IS_E1(bp))
8911 bnx2x_clp_reset_prep(bp, magic_val);
8912
8913 /* Get shmem offset */
8914 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Barak Witkowskic55e7712012-12-02 04:05:46 +00008915 validity_offset =
8916 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008917
8918 /* Clear validity map flags */
8919 if (shmem > 0)
8920 REG_WR(bp, shmem + validity_offset, 0);
8921}
8922
8923#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8924#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8925
Dmitry Kravkove8920672011-05-04 23:52:40 +00008926/**
8927 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008928 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008929 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008930 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008931static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008932{
8933 /* special handling for emulation and FPGA,
8934 wait 10 times longer */
8935 if (CHIP_REV_IS_SLOW(bp))
8936 msleep(MCP_ONE_TIMEOUT*10);
8937 else
8938 msleep(MCP_ONE_TIMEOUT);
8939}
8940
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008941/*
8942 * initializes bp->common.shmem_base and waits for validity signature to appear
8943 */
8944static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008945{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008946 int cnt = 0;
8947 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008948
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008949 do {
8950 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8951 if (bp->common.shmem_base) {
8952 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8953 if (val & SHR_MEM_VALIDITY_MB)
8954 return 0;
8955 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008956
8957 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008958
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008959 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008960
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008961 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008962
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008963 return -ENODEV;
8964}
8965
8966static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8967{
8968 int rc = bnx2x_init_shmem(bp);
8969
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008970 /* Restore the `magic' bit value */
8971 if (!CHIP_IS_E1(bp))
8972 bnx2x_clp_reset_done(bp, magic_val);
8973
8974 return rc;
8975}
8976
8977static void bnx2x_pxp_prep(struct bnx2x *bp)
8978{
8979 if (!CHIP_IS_E1(bp)) {
8980 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8981 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008982 mmiowb();
8983 }
8984}
8985
8986/*
8987 * Reset the whole chip except for:
8988 * - PCIE core
8989 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8990 * one reset bit)
8991 * - IGU
8992 * - MISC (including AEU)
8993 * - GRC
8994 * - RBCN, RBCP
8995 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008996static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008997{
8998 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008999 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009000
9001 /*
9002 * Bits that have to be set in reset_mask2 if we want to reset 'global'
9003 * (per chip) blocks.
9004 */
9005 global_bits2 =
9006 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
9007 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009008
Barak Witkowskic55e7712012-12-02 04:05:46 +00009009 /* Don't reset the following blocks.
9010 * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
9011 * reset, as in 4 port device they might still be owned
9012 * by the MCP (there is only one leader per path).
9013 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009014 not_reset_mask1 =
9015 MISC_REGISTERS_RESET_REG_1_RST_HC |
9016 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
9017 MISC_REGISTERS_RESET_REG_1_RST_PXP;
9018
9019 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009020 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009021 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
9022 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
9023 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
9024 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
9025 MISC_REGISTERS_RESET_REG_2_RST_GRC |
9026 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009027 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
9028 MISC_REGISTERS_RESET_REG_2_RST_ATC |
Barak Witkowskic55e7712012-12-02 04:05:46 +00009029 MISC_REGISTERS_RESET_REG_2_PGLC |
9030 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
9031 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
9032 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
9033 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
9034 MISC_REGISTERS_RESET_REG_2_UMAC0 |
9035 MISC_REGISTERS_RESET_REG_2_UMAC1;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009036
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009037 /*
9038 * Keep the following blocks in reset:
9039 * - all xxMACs are handled by the bnx2x_link code.
9040 */
9041 stay_reset2 =
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009042 MISC_REGISTERS_RESET_REG_2_XMAC |
9043 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
9044
9045 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009046 reset_mask1 = 0xffffffff;
9047
9048 if (CHIP_IS_E1(bp))
9049 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009050 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009051 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009052 else if (CHIP_IS_E2(bp))
9053 reset_mask2 = 0xfffff;
9054 else /* CHIP_IS_E3 */
9055 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009056
9057 /* Don't reset global blocks unless we need to */
9058 if (!global)
9059 reset_mask2 &= ~global_bits2;
9060
9061 /*
9062 * In case of attention in the QM, we need to reset PXP
9063 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
9064 * because otherwise QM reset would release 'close the gates' shortly
9065 * before resetting the PXP, then the PSWRQ would send a write
9066 * request to PGLUE. Then when PXP is reset, PGLUE would try to
9067 * read the payload data from PSWWR, but PSWWR would not
9068 * respond. The write queue in PGLUE would stuck, dmae commands
9069 * would not return. Therefore it's important to reset the second
9070 * reset register (containing the
9071 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
9072 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
9073 * bit).
9074 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009075 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
9076 reset_mask2 & (~not_reset_mask2));
9077
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009078 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
9079 reset_mask1 & (~not_reset_mask1));
9080
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009081 barrier();
9082 mmiowb();
9083
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009084 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
9085 reset_mask2 & (~stay_reset2));
9086
9087 barrier();
9088 mmiowb();
9089
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009090 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009091 mmiowb();
9092}
9093
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009094/**
9095 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
9096 * It should get cleared in no more than 1s.
9097 *
9098 * @bp: driver handle
9099 *
9100 * It should get cleared in no more than 1s. Returns 0 if
9101 * pending writes bit gets cleared.
9102 */
9103static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
9104{
9105 u32 cnt = 1000;
9106 u32 pend_bits = 0;
9107
9108 do {
9109 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
9110
9111 if (pend_bits == 0)
9112 break;
9113
Yuval Mintz0926d492013-01-23 03:21:45 +00009114 usleep_range(1000, 2000);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009115 } while (cnt-- > 0);
9116
9117 if (cnt <= 0) {
9118 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
9119 pend_bits);
9120 return -EBUSY;
9121 }
9122
9123 return 0;
9124}
9125
9126static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009127{
9128 int cnt = 1000;
9129 u32 val = 0;
9130 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
Yuval Mintz2de67432013-01-23 03:21:43 +00009131 u32 tags_63_32 = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009132
9133 /* Empty the Tetris buffer, wait for 1s */
9134 do {
9135 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
9136 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
9137 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
9138 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
9139 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009140 if (CHIP_IS_E3(bp))
9141 tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
9142
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009143 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
9144 ((port_is_idle_0 & 0x1) == 0x1) &&
9145 ((port_is_idle_1 & 0x1) == 0x1) &&
Barak Witkowskic55e7712012-12-02 04:05:46 +00009146 (pgl_exp_rom2 == 0xffffffff) &&
9147 (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009148 break;
Yuval Mintz0926d492013-01-23 03:21:45 +00009149 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009150 } while (cnt-- > 0);
9151
9152 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009153 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
9154 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 +00009155 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
9156 pgl_exp_rom2);
9157 return -EAGAIN;
9158 }
9159
9160 barrier();
9161
9162 /* Close gates #2, #3 and #4 */
9163 bnx2x_set_234_gates(bp, true);
9164
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009165 /* Poll for IGU VQs for 57712 and newer chips */
9166 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
9167 return -EAGAIN;
9168
9169
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009170 /* TBD: Indicate that "process kill" is in progress to MCP */
9171
9172 /* Clear "unprepared" bit */
9173 REG_WR(bp, MISC_REG_UNPREPARED, 0);
9174 barrier();
9175
9176 /* Make sure all is written to the chip before the reset */
9177 mmiowb();
9178
9179 /* Wait for 1ms to empty GLUE and PCI-E core queues,
9180 * PSWHST, GRC and PSWRD Tetris buffer.
9181 */
Yuval Mintz0926d492013-01-23 03:21:45 +00009182 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009183
9184 /* Prepare to chip reset: */
9185 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009186 if (global)
9187 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009188
9189 /* PXP */
9190 bnx2x_pxp_prep(bp);
9191 barrier();
9192
9193 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009194 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009195 barrier();
9196
9197 /* Recover after reset: */
9198 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009199 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009200 return -EAGAIN;
9201
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009202 /* TBD: Add resetting the NO_MCP mode DB here */
9203
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009204 /* Open the gates #2, #3 and #4 */
9205 bnx2x_set_234_gates(bp, false);
9206
9207 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9208 * reset state, re-enable attentions. */
9209
9210 return 0;
9211}
9212
Merav Sicron910cc722012-11-11 03:56:08 +00009213static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009214{
9215 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009216 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009217 u32 load_code;
9218
9219 /* if not going to reset MCP - load "fake" driver to reset HW while
9220 * driver is owner of the HW
9221 */
9222 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009223 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9224 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009225 if (!load_code) {
9226 BNX2X_ERR("MCP response failure, aborting\n");
9227 rc = -EAGAIN;
9228 goto exit_leader_reset;
9229 }
9230 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9231 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9232 BNX2X_ERR("MCP unexpected resp, aborting\n");
9233 rc = -EAGAIN;
9234 goto exit_leader_reset2;
9235 }
9236 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9237 if (!load_code) {
9238 BNX2X_ERR("MCP response failure, aborting\n");
9239 rc = -EAGAIN;
9240 goto exit_leader_reset2;
9241 }
9242 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009243
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009244 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009245 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009246 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9247 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009248 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009249 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009250 }
9251
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009252 /*
9253 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9254 * state.
9255 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009256 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009257 if (global)
9258 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009259
Ariel Elior95c6c6162012-01-26 06:01:52 +00009260exit_leader_reset2:
9261 /* unload "fake driver" if it was loaded */
9262 if (!global && !BP_NOMCP(bp)) {
9263 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9264 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9265 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009266exit_leader_reset:
9267 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009268 bnx2x_release_leader_lock(bp);
9269 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009270 return rc;
9271}
9272
Eric Dumazet1191cb82012-04-27 21:39:21 +00009273static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009274{
9275 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9276
9277 /* Disconnect this device */
9278 netif_device_detach(bp->dev);
9279
9280 /*
9281 * Block ifup for all function on this engine until "process kill"
9282 * or power cycle.
9283 */
9284 bnx2x_set_reset_in_progress(bp);
9285
9286 /* Shut down the power */
9287 bnx2x_set_power_state(bp, PCI_D3hot);
9288
9289 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9290
9291 smp_mb();
9292}
9293
9294/*
9295 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009296 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009297 * will never be called when netif_running(bp->dev) is false.
9298 */
9299static void bnx2x_parity_recover(struct bnx2x *bp)
9300{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009301 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009302 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009303 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009304
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009305 DP(NETIF_MSG_HW, "Handling parity\n");
9306 while (1) {
9307 switch (bp->recovery_state) {
9308 case BNX2X_RECOVERY_INIT:
9309 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009310 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9311 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009312
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009313 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009314 if (bnx2x_trylock_leader_lock(bp)) {
9315 bnx2x_set_reset_in_progress(bp);
9316 /*
9317 * Check if there is a global attention and if
9318 * there was a global attention, set the global
9319 * reset bit.
9320 */
9321
9322 if (global)
9323 bnx2x_set_reset_global(bp);
9324
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009325 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009326 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009327
9328 /* Stop the driver */
9329 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009330 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009331 return;
9332
9333 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009334
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009335 /* Ensure "is_leader", MCP command sequence and
9336 * "recovery_state" update values are seen on other
9337 * CPUs.
9338 */
9339 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009340 break;
9341
9342 case BNX2X_RECOVERY_WAIT:
9343 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9344 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009345 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009346 bool other_load_status =
9347 bnx2x_get_load_status(bp, other_engine);
9348 bool load_status =
9349 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009350 global = bnx2x_reset_is_global(bp);
9351
9352 /*
9353 * In case of a parity in a global block, let
9354 * the first leader that performs a
9355 * leader_reset() reset the global blocks in
9356 * order to clear global attentions. Otherwise
9357 * the the gates will remain closed for that
9358 * engine.
9359 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009360 if (load_status ||
9361 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009362 /* Wait until all other functions get
9363 * down.
9364 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009365 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009366 HZ/10);
9367 return;
9368 } else {
9369 /* If all other functions got down -
9370 * try to bring the chip back to
9371 * normal. In any case it's an exit
9372 * point for a leader.
9373 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009374 if (bnx2x_leader_reset(bp)) {
9375 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009376 return;
9377 }
9378
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009379 /* If we are here, means that the
9380 * leader has succeeded and doesn't
9381 * want to be a leader any more. Try
9382 * to continue as a none-leader.
9383 */
9384 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009385 }
9386 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009387 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009388 /* Try to get a LEADER_LOCK HW lock as
9389 * long as a former leader may have
9390 * been unloaded by the user or
9391 * released a leadership by another
9392 * reason.
9393 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009394 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009395 /* I'm a leader now! Restart a
9396 * switch case.
9397 */
9398 bp->is_leader = 1;
9399 break;
9400 }
9401
Ariel Elior7be08a72011-07-14 08:31:19 +00009402 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009403 HZ/10);
9404 return;
9405
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009406 } else {
9407 /*
9408 * If there was a global attention, wait
9409 * for it to be cleared.
9410 */
9411 if (bnx2x_reset_is_global(bp)) {
9412 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009413 &bp->sp_rtnl_task,
9414 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009415 return;
9416 }
9417
Ariel Elior7a752992012-01-26 06:01:53 +00009418 error_recovered =
9419 bp->eth_stats.recoverable_error;
9420 error_unrecovered =
9421 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009422 bp->recovery_state =
9423 BNX2X_RECOVERY_NIC_LOADING;
9424 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009425 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009426 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009427 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009428 /* Disconnect this device */
9429 netif_device_detach(bp->dev);
9430 /* Shut down the power */
9431 bnx2x_set_power_state(
9432 bp, PCI_D3hot);
9433 smp_mb();
9434 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009435 bp->recovery_state =
9436 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009437 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009438 smp_mb();
9439 }
Ariel Elior7a752992012-01-26 06:01:53 +00009440 bp->eth_stats.recoverable_error =
9441 error_recovered;
9442 bp->eth_stats.unrecoverable_error =
9443 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009444
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009445 return;
9446 }
9447 }
9448 default:
9449 return;
9450 }
9451 }
9452}
9453
Michal Schmidt56ad3152012-02-16 02:38:48 +00009454static int bnx2x_close(struct net_device *dev);
9455
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009456/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9457 * scheduled on a general queue in order to prevent a dead lock.
9458 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009459static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009460{
Ariel Elior7be08a72011-07-14 08:31:19 +00009461 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009462
9463 rtnl_lock();
9464
Ariel Elior8395be52013-01-01 05:22:44 +00009465 if (!netif_running(bp->dev)) {
9466 rtnl_unlock();
9467 return;
9468 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009469
Ariel Elior7be08a72011-07-14 08:31:19 +00009470 /* if stop on error is defined no recovery flows should be executed */
9471#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009472 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
Ariel Elior7be08a72011-07-14 08:31:19 +00009473 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009474 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009475#endif
9476
9477 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9478 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009479 * Clear all pending SP commands as we are going to reset the
9480 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009481 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009482 bp->sp_rtnl_state = 0;
9483 smp_mb();
9484
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009485 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009486
Ariel Elior8395be52013-01-01 05:22:44 +00009487 rtnl_unlock();
9488 return;
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009489 }
9490
9491 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9492 /*
9493 * Clear all pending SP commands as we are going to reset the
9494 * function anyway.
9495 */
9496 bp->sp_rtnl_state = 0;
9497 smp_mb();
9498
Yuval Mintz5d07d862012-09-13 02:56:21 +00009499 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009500 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009501
Ariel Elior8395be52013-01-01 05:22:44 +00009502 rtnl_unlock();
9503 return;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009504 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009505#ifdef BNX2X_STOP_ON_ERROR
9506sp_rtnl_not_reset:
9507#endif
9508 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9509 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009510 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9511 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009512 /*
9513 * in case of fan failure we need to reset id if the "stop on error"
9514 * debug flag is set, since we trying to prevent permanent overheating
9515 * damage
9516 */
9517 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009518 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009519 netif_device_detach(bp->dev);
9520 bnx2x_close(bp->dev);
Ariel Elior8395be52013-01-01 05:22:44 +00009521 rtnl_unlock();
9522 return;
Ariel Elior83048592011-11-13 04:34:29 +00009523 }
9524
Ariel Elior381ac162013-01-01 05:22:29 +00009525 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_MCAST, &bp->sp_rtnl_state)) {
9526 DP(BNX2X_MSG_SP,
9527 "sending set mcast vf pf channel message from rtnl sp-task\n");
9528 bnx2x_vfpf_set_mcast(bp->dev);
9529 }
9530
9531 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_STORM_RX_MODE,
9532 &bp->sp_rtnl_state)) {
9533 DP(BNX2X_MSG_SP,
9534 "sending set storm rx mode vf pf channel message from rtnl sp-task\n");
9535 bnx2x_vfpf_storm_rx_mode(bp);
9536 }
9537
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00009538 if (test_and_clear_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
9539 &bp->sp_rtnl_state))
9540 bnx2x_pf_set_vfs_vlan(bp);
9541
Ariel Elior8395be52013-01-01 05:22:44 +00009542 /* work which needs rtnl lock not-taken (as it takes the lock itself and
9543 * can be called from other contexts as well)
9544 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009545 rtnl_unlock();
Ariel Elior8395be52013-01-01 05:22:44 +00009546
Ariel Elior64112802013-01-07 00:50:23 +00009547 /* enable SR-IOV if applicable */
Ariel Elior8395be52013-01-01 05:22:44 +00009548 if (IS_SRIOV(bp) && test_and_clear_bit(BNX2X_SP_RTNL_ENABLE_SRIOV,
Ariel Elior64112802013-01-07 00:50:23 +00009549 &bp->sp_rtnl_state))
9550 bnx2x_enable_sriov(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009551}
9552
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009553static void bnx2x_period_task(struct work_struct *work)
9554{
9555 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9556
9557 if (!netif_running(bp->dev))
9558 goto period_task_exit;
9559
9560 if (CHIP_REV_IS_SLOW(bp)) {
9561 BNX2X_ERR("period task called on emulation, ignoring\n");
9562 goto period_task_exit;
9563 }
9564
9565 bnx2x_acquire_phy_lock(bp);
9566 /*
9567 * The barrier is needed to ensure the ordering between the writing to
9568 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9569 * the reading here.
9570 */
9571 smp_mb();
9572 if (bp->port.pmf) {
9573 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9574
9575 /* Re-queue task in 1 sec */
9576 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9577 }
9578
9579 bnx2x_release_phy_lock(bp);
9580period_task_exit:
9581 return;
9582}
9583
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009584/*
9585 * Init service functions
9586 */
9587
Ariel Eliorb56e9672013-01-01 05:22:32 +00009588u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009589{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009590 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9591 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9592 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009593}
9594
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009595static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
9596 struct bnx2x_mac_vals *vals)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009597{
Yuval Mintz452427b2012-03-26 20:47:07 +00009598 u32 val, base_addr, offset, mask, reset_reg;
9599 bool mac_stopped = false;
9600 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009601
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009602 /* reset addresses as they also mark which values were changed */
9603 vals->bmac_addr = 0;
9604 vals->umac_addr = 0;
9605 vals->xmac_addr = 0;
9606 vals->emac_addr = 0;
9607
Yuval Mintz452427b2012-03-26 20:47:07 +00009608 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009609
Yuval Mintz452427b2012-03-26 20:47:07 +00009610 if (!CHIP_IS_E3(bp)) {
9611 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9612 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9613 if ((mask & reset_reg) && val) {
9614 u32 wb_data[2];
9615 BNX2X_DEV_INFO("Disable bmac Rx\n");
9616 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9617 : NIG_REG_INGRESS_BMAC0_MEM;
9618 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9619 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009620
Yuval Mintz452427b2012-03-26 20:47:07 +00009621 /*
9622 * use rd/wr since we cannot use dmae. This is safe
9623 * since MCP won't access the bus due to the request
9624 * to unload, and no function on the path can be
9625 * loaded at this time.
9626 */
9627 wb_data[0] = REG_RD(bp, base_addr + offset);
9628 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009629 vals->bmac_addr = base_addr + offset;
9630 vals->bmac_val[0] = wb_data[0];
9631 vals->bmac_val[1] = wb_data[1];
Yuval Mintz452427b2012-03-26 20:47:07 +00009632 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009633 REG_WR(bp, vals->bmac_addr, wb_data[0]);
9634 REG_WR(bp, vals->bmac_addr + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009635
Yuval Mintz452427b2012-03-26 20:47:07 +00009636 }
9637 BNX2X_DEV_INFO("Disable emac Rx\n");
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009638 vals->emac_addr = NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4;
9639 vals->emac_val = REG_RD(bp, vals->emac_addr);
9640 REG_WR(bp, vals->emac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009641 mac_stopped = true;
9642 } else {
9643 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9644 BNX2X_DEV_INFO("Disable xmac Rx\n");
9645 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9646 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9647 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9648 val & ~(1 << 1));
9649 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9650 val | (1 << 1));
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009651 vals->xmac_addr = base_addr + XMAC_REG_CTRL;
9652 vals->xmac_val = REG_RD(bp, vals->xmac_addr);
9653 REG_WR(bp, vals->xmac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009654 mac_stopped = true;
9655 }
9656 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9657 if (mask & reset_reg) {
9658 BNX2X_DEV_INFO("Disable umac Rx\n");
9659 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009660 vals->umac_addr = base_addr + UMAC_REG_COMMAND_CONFIG;
9661 vals->umac_val = REG_RD(bp, vals->umac_addr);
9662 REG_WR(bp, vals->umac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009663 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009664 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009665 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009666
Yuval Mintz452427b2012-03-26 20:47:07 +00009667 if (mac_stopped)
9668 msleep(20);
9669
9670}
9671
9672#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9673#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9674#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9675#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9676
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +00009677static void bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port, u8 inc)
Yuval Mintz452427b2012-03-26 20:47:07 +00009678{
9679 u16 rcq, bd;
9680 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9681
9682 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9683 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9684
9685 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9686 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9687
9688 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9689 port, bd, rcq);
9690}
9691
Bill Pemberton0329aba2012-12-03 09:24:24 -05009692static int bnx2x_prev_mcp_done(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009693{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009694 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9695 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009696 if (!rc) {
9697 BNX2X_ERR("MCP response failure, aborting\n");
9698 return -EBUSY;
9699 }
9700
9701 return 0;
9702}
9703
Barak Witkowskic63da992012-12-05 23:04:03 +00009704static struct bnx2x_prev_path_list *
9705 bnx2x_prev_path_get_entry(struct bnx2x *bp)
9706{
9707 struct bnx2x_prev_path_list *tmp_list;
9708
9709 list_for_each_entry(tmp_list, &bnx2x_prev_list, list)
9710 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9711 bp->pdev->bus->number == tmp_list->bus &&
9712 BP_PATH(bp) == tmp_list->path)
9713 return tmp_list;
9714
9715 return NULL;
9716}
9717
Bill Pemberton0329aba2012-12-03 09:24:24 -05009718static bool bnx2x_prev_is_path_marked(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009719{
9720 struct bnx2x_prev_path_list *tmp_list;
9721 int rc = false;
9722
9723 if (down_trylock(&bnx2x_prev_sem))
9724 return false;
9725
9726 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9727 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9728 bp->pdev->bus->number == tmp_list->bus &&
9729 BP_PATH(bp) == tmp_list->path) {
9730 rc = true;
9731 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9732 BP_PATH(bp));
9733 break;
9734 }
9735 }
9736
9737 up(&bnx2x_prev_sem);
9738
9739 return rc;
9740}
9741
Barak Witkowskic63da992012-12-05 23:04:03 +00009742static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi)
Yuval Mintz452427b2012-03-26 20:47:07 +00009743{
9744 struct bnx2x_prev_path_list *tmp_list;
9745 int rc;
9746
Devendra Nagaea4b3852012-07-29 03:19:23 +00009747 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009748 if (!tmp_list) {
9749 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9750 return -ENOMEM;
9751 }
9752
9753 tmp_list->bus = bp->pdev->bus->number;
9754 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9755 tmp_list->path = BP_PATH(bp);
Barak Witkowskic63da992012-12-05 23:04:03 +00009756 tmp_list->undi = after_undi ? (1 << BP_PORT(bp)) : 0;
Yuval Mintz452427b2012-03-26 20:47:07 +00009757
9758 rc = down_interruptible(&bnx2x_prev_sem);
9759 if (rc) {
9760 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9761 kfree(tmp_list);
9762 } else {
9763 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9764 BP_PATH(bp));
9765 list_add(&tmp_list->list, &bnx2x_prev_list);
9766 up(&bnx2x_prev_sem);
9767 }
9768
9769 return rc;
9770}
9771
Bill Pemberton0329aba2012-12-03 09:24:24 -05009772static int bnx2x_do_flr(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009773{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009774 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009775 u16 status;
9776 struct pci_dev *dev = bp->pdev;
9777
Yuval Mintz8eee6942012-08-09 04:37:25 +00009778
9779 if (CHIP_IS_E1x(bp)) {
9780 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9781 return -EINVAL;
9782 }
9783
9784 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9785 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9786 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9787 bp->common.bc_ver);
9788 return -EINVAL;
9789 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009790
Yuval Mintz452427b2012-03-26 20:47:07 +00009791 /* Wait for Transaction Pending bit clean */
9792 for (i = 0; i < 4; i++) {
9793 if (i)
9794 msleep((1 << (i - 1)) * 100);
9795
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009796 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009797 if (!(status & PCI_EXP_DEVSTA_TRPND))
9798 goto clear;
9799 }
9800
9801 dev_err(&dev->dev,
9802 "transaction is not cleared; proceeding with reset anyway\n");
9803
9804clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009805
Yuval Mintz8eee6942012-08-09 04:37:25 +00009806 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009807 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9808
9809 return 0;
9810}
9811
Bill Pemberton0329aba2012-12-03 09:24:24 -05009812static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009813{
9814 int rc;
9815
9816 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9817
9818 /* Test if previous unload process was already finished for this path */
9819 if (bnx2x_prev_is_path_marked(bp))
9820 return bnx2x_prev_mcp_done(bp);
9821
Yuval Mintz04c46732013-01-23 03:21:46 +00009822 BNX2X_DEV_INFO("Path is unmarked\n");
9823
Yuval Mintz452427b2012-03-26 20:47:07 +00009824 /* If function has FLR capabilities, and existing FW version matches
9825 * the one required, then FLR will be sufficient to clean any residue
9826 * left by previous driver
9827 */
Ariel Eliorad5afc82013-01-01 05:22:26 +00009828 rc = bnx2x_nic_load_analyze_req(bp, FW_MSG_CODE_DRV_LOAD_FUNCTION);
Yuval Mintz8eee6942012-08-09 04:37:25 +00009829
9830 if (!rc) {
9831 /* fw version is good */
9832 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9833 rc = bnx2x_do_flr(bp);
9834 }
9835
9836 if (!rc) {
9837 /* FLR was performed */
9838 BNX2X_DEV_INFO("FLR successful\n");
9839 return 0;
9840 }
9841
9842 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009843
9844 /* Close the MCP request, return failure*/
9845 rc = bnx2x_prev_mcp_done(bp);
9846 if (!rc)
9847 rc = BNX2X_PREV_WAIT_NEEDED;
9848
9849 return rc;
9850}
9851
Bill Pemberton0329aba2012-12-03 09:24:24 -05009852static int bnx2x_prev_unload_common(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009853{
9854 u32 reset_reg, tmp_reg = 0, rc;
Barak Witkowskic63da992012-12-05 23:04:03 +00009855 bool prev_undi = false;
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009856 struct bnx2x_mac_vals mac_vals;
9857
Yuval Mintz452427b2012-03-26 20:47:07 +00009858 /* It is possible a previous function received 'common' answer,
9859 * but hasn't loaded yet, therefore creating a scenario of
9860 * multiple functions receiving 'common' on the same path.
9861 */
9862 BNX2X_DEV_INFO("Common unload Flow\n");
9863
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009864 memset(&mac_vals, 0, sizeof(mac_vals));
9865
Yuval Mintz452427b2012-03-26 20:47:07 +00009866 if (bnx2x_prev_is_path_marked(bp))
9867 return bnx2x_prev_mcp_done(bp);
9868
9869 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9870
9871 /* Reset should be performed after BRB is emptied */
9872 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9873 u32 timer_count = 1000;
Yuval Mintz452427b2012-03-26 20:47:07 +00009874
9875 /* Close the MAC Rx to prevent BRB from filling up */
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009876 bnx2x_prev_unload_close_mac(bp, &mac_vals);
9877
9878 /* close LLH filters towards the BRB */
9879 bnx2x_set_rx_filter(&bp->link_params, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009880
9881 /* Check if the UNDI driver was previously loaded
9882 * UNDI driver initializes CID offset for normal bell to 0x7
9883 */
Yuval Mintz452427b2012-03-26 20:47:07 +00009884 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9885 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9886 if (tmp_reg == 0x7) {
9887 BNX2X_DEV_INFO("UNDI previously loaded\n");
9888 prev_undi = true;
9889 /* clear the UNDI indication */
9890 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
Yuval Mintza74801c2013-01-14 05:11:41 +00009891 /* clear possible idle check errors */
9892 REG_RD(bp, NIG_REG_NIG_INT_STS_CLR_0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009893 }
9894 }
9895 /* wait until BRB is empty */
9896 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9897 while (timer_count) {
9898 u32 prev_brb = tmp_reg;
9899
9900 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9901 if (!tmp_reg)
9902 break;
9903
9904 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9905
9906 /* reset timer as long as BRB actually gets emptied */
9907 if (prev_brb > tmp_reg)
9908 timer_count = 1000;
9909 else
9910 timer_count--;
9911
9912 /* If UNDI resides in memory, manually increment it */
9913 if (prev_undi)
9914 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9915
9916 udelay(10);
9917 }
9918
9919 if (!timer_count)
9920 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9921
9922 }
9923
9924 /* No packets are in the pipeline, path is ready for reset */
9925 bnx2x_reset_common(bp);
9926
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009927 if (mac_vals.xmac_addr)
9928 REG_WR(bp, mac_vals.xmac_addr, mac_vals.xmac_val);
9929 if (mac_vals.umac_addr)
9930 REG_WR(bp, mac_vals.umac_addr, mac_vals.umac_val);
9931 if (mac_vals.emac_addr)
9932 REG_WR(bp, mac_vals.emac_addr, mac_vals.emac_val);
9933 if (mac_vals.bmac_addr) {
9934 REG_WR(bp, mac_vals.bmac_addr, mac_vals.bmac_val[0]);
9935 REG_WR(bp, mac_vals.bmac_addr + 4, mac_vals.bmac_val[1]);
9936 }
9937
Barak Witkowskic63da992012-12-05 23:04:03 +00009938 rc = bnx2x_prev_mark_path(bp, prev_undi);
Yuval Mintz452427b2012-03-26 20:47:07 +00009939 if (rc) {
9940 bnx2x_prev_mcp_done(bp);
9941 return rc;
9942 }
9943
9944 return bnx2x_prev_mcp_done(bp);
9945}
9946
Ariel Elior24f06712012-05-06 07:05:57 +00009947/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9948 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9949 * the addresses of the transaction, resulting in was-error bit set in the pci
9950 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9951 * to clear the interrupt which detected this from the pglueb and the was done
9952 * bit
9953 */
Bill Pemberton0329aba2012-12-03 09:24:24 -05009954static void bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
Ariel Elior24f06712012-05-06 07:05:57 +00009955{
Ariel Elior4a254172012-11-22 07:16:17 +00009956 if (!CHIP_IS_E1x(bp)) {
9957 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9958 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
Yuval Mintz04c46732013-01-23 03:21:46 +00009959 DP(BNX2X_MSG_SP,
9960 "'was error' bit was found to be set in pglueb upon startup. Clearing\n");
Ariel Elior4a254172012-11-22 07:16:17 +00009961 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
9962 1 << BP_FUNC(bp));
9963 }
Ariel Elior24f06712012-05-06 07:05:57 +00009964 }
9965}
9966
Bill Pemberton0329aba2012-12-03 09:24:24 -05009967static int bnx2x_prev_unload(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009968{
9969 int time_counter = 10;
9970 u32 rc, fw, hw_lock_reg, hw_lock_val;
Barak Witkowskic63da992012-12-05 23:04:03 +00009971 struct bnx2x_prev_path_list *prev_list;
Yuval Mintz452427b2012-03-26 20:47:07 +00009972 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9973
Ariel Elior24f06712012-05-06 07:05:57 +00009974 /* clear hw from errors which may have resulted from an interrupted
9975 * dmae transaction.
9976 */
9977 bnx2x_prev_interrupted_dmae(bp);
9978
9979 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009980 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9981 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9982 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9983
9984 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9985 if (hw_lock_val) {
9986 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9987 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9988 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9989 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9990 }
9991
9992 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9993 REG_WR(bp, hw_lock_reg, 0xffffffff);
9994 } else
9995 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9996
9997 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9998 BNX2X_DEV_INFO("Release previously held alr\n");
9999 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
10000 }
10001
Yuval Mintz452427b2012-03-26 20:47:07 +000010002 do {
10003 /* Lock MCP using an unload request */
10004 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
10005 if (!fw) {
10006 BNX2X_ERR("MCP response failure, aborting\n");
10007 rc = -EBUSY;
10008 break;
10009 }
10010
10011 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
10012 rc = bnx2x_prev_unload_common(bp);
10013 break;
10014 }
10015
10016 /* non-common reply from MCP night require looping */
10017 rc = bnx2x_prev_unload_uncommon(bp);
10018 if (rc != BNX2X_PREV_WAIT_NEEDED)
10019 break;
10020
10021 msleep(20);
10022 } while (--time_counter);
10023
10024 if (!time_counter || rc) {
10025 BNX2X_ERR("Failed unloading previous driver, aborting\n");
10026 rc = -EBUSY;
10027 }
10028
Barak Witkowskic63da992012-12-05 23:04:03 +000010029 /* Mark function if its port was used to boot from SAN */
10030 prev_list = bnx2x_prev_path_get_entry(bp);
10031 if (prev_list && (prev_list->undi & (1 << BP_PORT(bp))))
10032 bp->link_params.feature_config_flags |=
10033 FEATURE_CONFIG_BOOT_FROM_SAN;
10034
Yuval Mintz452427b2012-03-26 20:47:07 +000010035 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
10036
10037 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010038}
10039
Bill Pemberton0329aba2012-12-03 09:24:24 -050010040static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010041{
Barak Witkowski1d187b32011-12-05 22:41:50 +000010042 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010043 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010044
10045 /* Get the chip revision id and number. */
10046 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
10047 val = REG_RD(bp, MISC_REG_CHIP_NUM);
10048 id = ((val & 0xffff) << 16);
10049 val = REG_RD(bp, MISC_REG_CHIP_REV);
10050 id |= ((val & 0xf) << 12);
Yuval Mintzf22fdf22013-03-11 05:17:43 +000010051
10052 /* Metal is read from PCI regs, but we can't access >=0x400 from
10053 * the configuration space (so we need to reg_rd)
10054 */
10055 val = REG_RD(bp, PCICFG_OFFSET + PCI_ID_VAL3);
10056 id |= (((val >> 24) & 0xf) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +000010057 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010058 id |= (val & 0xf);
10059 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010060
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000010061 /* force 57811 according to MISC register */
10062 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
10063 if (CHIP_IS_57810(bp))
10064 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
10065 (bp->common.chip_id & 0x0000FFFF);
10066 else if (CHIP_IS_57810_MF(bp))
10067 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
10068 (bp->common.chip_id & 0x0000FFFF);
10069 bp->common.chip_id |= 0x1;
10070 }
10071
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010072 /* Set doorbell size */
10073 bp->db_size = (1 << BNX2X_DB_SHIFT);
10074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010075 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010076 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
10077 if ((val & 1) == 0)
10078 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
10079 else
10080 val = (val >> 1) & 1;
10081 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
10082 "2_PORT_MODE");
10083 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
10084 CHIP_2_PORT_MODE;
10085
10086 if (CHIP_MODE_IS_4_PORT(bp))
10087 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
10088 else
10089 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
10090 } else {
10091 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
10092 bp->pfid = bp->pf_num; /* 0..7 */
10093 }
10094
Merav Sicron51c1a582012-03-18 10:33:38 +000010095 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
10096
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010097 bp->link_params.chip_id = bp->common.chip_id;
10098 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010099
Eilon Greenstein1c063282009-02-12 08:36:43 +000010100 val = (REG_RD(bp, 0x2874) & 0x55);
10101 if ((bp->common.chip_id & 0x1) ||
10102 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
10103 bp->flags |= ONE_PORT_FLAG;
10104 BNX2X_DEV_INFO("single port device\n");
10105 }
10106
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010107 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010108 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010109 (val & MCPR_NVM_CFG4_FLASH_SIZE));
10110 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
10111 bp->common.flash_size, bp->common.flash_size);
10112
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010113 bnx2x_init_shmem(bp);
10114
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010115
10116
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010117 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
10118 MISC_REG_GENERIC_CR_1 :
10119 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010120
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010121 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010122 bp->link_params.shmem2_base = bp->common.shmem2_base;
Yaniv Rosnerb884d952012-11-27 03:46:28 +000010123 if (SHMEM2_RD(bp, size) >
10124 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
10125 bp->link_params.lfa_base =
10126 REG_RD(bp, bp->common.shmem2_base +
10127 (u32)offsetof(struct shmem2_region,
10128 lfa_host_addr[BP_PORT(bp)]));
10129 else
10130 bp->link_params.lfa_base = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010131 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
10132 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010133
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010134 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010135 BNX2X_DEV_INFO("MCP not active\n");
10136 bp->flags |= NO_MCP_FLAG;
10137 return;
10138 }
10139
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010140 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +000010141 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010142
10143 bp->link_params.hw_led_mode = ((bp->common.hw_config &
10144 SHARED_HW_CFG_LED_MODE_MASK) >>
10145 SHARED_HW_CFG_LED_MODE_SHIFT);
10146
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010147 bp->link_params.feature_config_flags = 0;
10148 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
10149 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
10150 bp->link_params.feature_config_flags |=
10151 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10152 else
10153 bp->link_params.feature_config_flags &=
10154 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10155
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010156 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
10157 bp->common.bc_ver = val;
10158 BNX2X_DEV_INFO("bc_ver %X\n", val);
10159 if (val < BNX2X_BC_VER) {
10160 /* for now only warn
10161 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +000010162 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
10163 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010164 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010165 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010166 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010167 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
10168
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010169 bp->link_params.feature_config_flags |=
10170 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
10171 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +000010172 bp->link_params.feature_config_flags |=
10173 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
10174 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010175 bp->link_params.feature_config_flags |=
10176 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
10177 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000010178
10179 bp->link_params.feature_config_flags |=
10180 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
10181 FEATURE_CONFIG_MT_SUPPORT : 0;
10182
Barak Witkowski0e898dd2011-12-05 21:52:22 +000010183 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
10184 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010185
Barak Witkowski2e499d32012-06-26 01:31:19 +000010186 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
10187 BC_SUPPORTS_FCOE_FEATURES : 0;
10188
Barak Witkowski98768792012-06-19 07:48:31 +000010189 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
10190 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +000010191 boot_mode = SHMEM_RD(bp,
10192 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
10193 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
10194 switch (boot_mode) {
10195 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
10196 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
10197 break;
10198 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
10199 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
10200 break;
10201 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
10202 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
10203 break;
10204 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
10205 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
10206 break;
10207 }
10208
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +000010209 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
10210 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
10211
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010212 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +000010213 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010214
10215 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
10216 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
10217 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
10218 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
10219
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010220 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
10221 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010222}
10223
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010224#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
10225#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
10226
Bill Pemberton0329aba2012-12-03 09:24:24 -050010227static int bnx2x_get_igu_cam_info(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010228{
10229 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010230 int igu_sb_id;
10231 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010232 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010233
10234 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010235 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -040010236 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010237 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010238 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
10239 FP_SB_MAX_E1x;
10240
10241 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
10242 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
10243
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010244 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010245 }
10246
10247 /* IGU in normal mode - read CAM */
10248 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
10249 igu_sb_id++) {
10250 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
10251 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
10252 continue;
10253 fid = IGU_FID(val);
10254 if ((fid & IGU_FID_ENCODE_IS_PF)) {
10255 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
10256 continue;
10257 if (IGU_VEC(val) == 0)
10258 /* default status block */
10259 bp->igu_dsb_id = igu_sb_id;
10260 else {
10261 if (bp->igu_base_sb == 0xff)
10262 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010263 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010264 }
10265 }
10266 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010267
Ariel Elior6383c0b2011-07-14 08:31:57 +000010268#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +000010269 /* Due to new PF resource allocation by MFW T7.4 and above, it's
10270 * optional that number of CAM entries will not be equal to the value
10271 * advertised in PCI.
10272 * Driver should use the minimal value of both as the actual status
10273 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010274 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010275 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010276#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010277
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010278 if (igu_sb_cnt == 0) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010279 BNX2X_ERR("CAM configuration error\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010280 return -EINVAL;
10281 }
10282
10283 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010284}
10285
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000010286static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010287{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010288 int cfg_size = 0, idx, port = BP_PORT(bp);
10289
10290 /* Aggregation of supported attributes of all external phys */
10291 bp->port.supported[0] = 0;
10292 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010293 switch (bp->link_params.num_phys) {
10294 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010295 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10296 cfg_size = 1;
10297 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010298 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010299 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10300 cfg_size = 1;
10301 break;
10302 case 3:
10303 if (bp->link_params.multi_phy_config &
10304 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10305 bp->port.supported[1] =
10306 bp->link_params.phy[EXT_PHY1].supported;
10307 bp->port.supported[0] =
10308 bp->link_params.phy[EXT_PHY2].supported;
10309 } else {
10310 bp->port.supported[0] =
10311 bp->link_params.phy[EXT_PHY1].supported;
10312 bp->port.supported[1] =
10313 bp->link_params.phy[EXT_PHY2].supported;
10314 }
10315 cfg_size = 2;
10316 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010317 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010318
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010319 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010320 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010321 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010322 dev_info.port_hw_config[port].external_phy_config),
10323 SHMEM_RD(bp,
10324 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010325 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010326 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010327
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010328 if (CHIP_IS_E3(bp))
10329 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10330 else {
10331 switch (switch_cfg) {
10332 case SWITCH_CFG_1G:
10333 bp->port.phy_addr = REG_RD(
10334 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10335 break;
10336 case SWITCH_CFG_10G:
10337 bp->port.phy_addr = REG_RD(
10338 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10339 break;
10340 default:
10341 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10342 bp->port.link_config[0]);
10343 return;
10344 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010345 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010346 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010347 /* mask what we support according to speed_cap_mask per configuration */
10348 for (idx = 0; idx < cfg_size; idx++) {
10349 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010350 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010351 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010352
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010353 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010354 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010355 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010356
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010357 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010358 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010359 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010360
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010361 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010362 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010363 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010364
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010365 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010366 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010367 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010368 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010369
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010370 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010371 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010372 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010373
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010374 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010375 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010376 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010377
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010378 }
10379
10380 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
10381 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010382}
10383
Bill Pemberton0329aba2012-12-03 09:24:24 -050010384static void bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010385{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010386 u32 link_config, idx, cfg_size = 0;
10387 bp->port.advertising[0] = 0;
10388 bp->port.advertising[1] = 0;
10389 switch (bp->link_params.num_phys) {
10390 case 1:
10391 case 2:
10392 cfg_size = 1;
10393 break;
10394 case 3:
10395 cfg_size = 2;
10396 break;
10397 }
10398 for (idx = 0; idx < cfg_size; idx++) {
10399 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
10400 link_config = bp->port.link_config[idx];
10401 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010402 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010403 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
10404 bp->link_params.req_line_speed[idx] =
10405 SPEED_AUTO_NEG;
10406 bp->port.advertising[idx] |=
10407 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000010408 if (bp->link_params.phy[EXT_PHY1].type ==
10409 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10410 bp->port.advertising[idx] |=
10411 (SUPPORTED_100baseT_Half |
10412 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010413 } else {
10414 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010415 bp->link_params.req_line_speed[idx] =
10416 SPEED_10000;
10417 bp->port.advertising[idx] |=
10418 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010419 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010420 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010421 }
10422 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010423
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010424 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010425 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
10426 bp->link_params.req_line_speed[idx] =
10427 SPEED_10;
10428 bp->port.advertising[idx] |=
10429 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010430 ADVERTISED_TP);
10431 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010432 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010433 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010434 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010435 return;
10436 }
10437 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010438
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010439 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010440 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10441 bp->link_params.req_line_speed[idx] =
10442 SPEED_10;
10443 bp->link_params.req_duplex[idx] =
10444 DUPLEX_HALF;
10445 bp->port.advertising[idx] |=
10446 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010447 ADVERTISED_TP);
10448 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010449 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010450 link_config,
10451 bp->link_params.speed_cap_mask[idx]);
10452 return;
10453 }
10454 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010455
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010456 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10457 if (bp->port.supported[idx] &
10458 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010459 bp->link_params.req_line_speed[idx] =
10460 SPEED_100;
10461 bp->port.advertising[idx] |=
10462 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010463 ADVERTISED_TP);
10464 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010465 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010466 link_config,
10467 bp->link_params.speed_cap_mask[idx]);
10468 return;
10469 }
10470 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010471
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010472 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10473 if (bp->port.supported[idx] &
10474 SUPPORTED_100baseT_Half) {
10475 bp->link_params.req_line_speed[idx] =
10476 SPEED_100;
10477 bp->link_params.req_duplex[idx] =
10478 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010479 bp->port.advertising[idx] |=
10480 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010481 ADVERTISED_TP);
10482 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010483 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010484 link_config,
10485 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010486 return;
10487 }
10488 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010489
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010490 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010491 if (bp->port.supported[idx] &
10492 SUPPORTED_1000baseT_Full) {
10493 bp->link_params.req_line_speed[idx] =
10494 SPEED_1000;
10495 bp->port.advertising[idx] |=
10496 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010497 ADVERTISED_TP);
10498 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010499 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010500 link_config,
10501 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010502 return;
10503 }
10504 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010505
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010506 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010507 if (bp->port.supported[idx] &
10508 SUPPORTED_2500baseX_Full) {
10509 bp->link_params.req_line_speed[idx] =
10510 SPEED_2500;
10511 bp->port.advertising[idx] |=
10512 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010513 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010514 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010515 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010516 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010517 bp->link_params.speed_cap_mask[idx]);
10518 return;
10519 }
10520 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010521
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010522 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010523 if (bp->port.supported[idx] &
10524 SUPPORTED_10000baseT_Full) {
10525 bp->link_params.req_line_speed[idx] =
10526 SPEED_10000;
10527 bp->port.advertising[idx] |=
10528 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010529 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010530 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010531 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010532 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010533 bp->link_params.speed_cap_mask[idx]);
10534 return;
10535 }
10536 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010537 case PORT_FEATURE_LINK_SPEED_20G:
10538 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010539
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010540 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010541 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010542 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010543 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010544 bp->link_params.req_line_speed[idx] =
10545 SPEED_AUTO_NEG;
10546 bp->port.advertising[idx] =
10547 bp->port.supported[idx];
10548 break;
10549 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010550
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010551 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010552 PORT_FEATURE_FLOW_CONTROL_MASK);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +000010553 if (bp->link_params.req_flow_ctrl[idx] ==
10554 BNX2X_FLOW_CTRL_AUTO) {
10555 if (!(bp->port.supported[idx] & SUPPORTED_Autoneg))
10556 bp->link_params.req_flow_ctrl[idx] =
10557 BNX2X_FLOW_CTRL_NONE;
10558 else
10559 bnx2x_set_requested_fc(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010560 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010561
Merav Sicron51c1a582012-03-18 10:33:38 +000010562 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 +000010563 bp->link_params.req_line_speed[idx],
10564 bp->link_params.req_duplex[idx],
10565 bp->link_params.req_flow_ctrl[idx],
10566 bp->port.advertising[idx]);
10567 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010568}
10569
Bill Pemberton0329aba2012-12-03 09:24:24 -050010570static void bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
Michael Chane665bfd2009-10-10 13:46:54 +000010571{
Yuval Mintz86564c32013-01-23 03:21:50 +000010572 __be16 mac_hi_be = cpu_to_be16(mac_hi);
10573 __be32 mac_lo_be = cpu_to_be32(mac_lo);
10574 memcpy(mac_buf, &mac_hi_be, sizeof(mac_hi_be));
10575 memcpy(mac_buf + sizeof(mac_hi_be), &mac_lo_be, sizeof(mac_lo_be));
Michael Chane665bfd2009-10-10 13:46:54 +000010576}
10577
Bill Pemberton0329aba2012-12-03 09:24:24 -050010578static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010579{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010580 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010581 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010582 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010583
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010584 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010585 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010586
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010587 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010588 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010589
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010590 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010591 SHMEM_RD(bp,
10592 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010593 bp->link_params.speed_cap_mask[1] =
10594 SHMEM_RD(bp,
10595 dev_info.port_hw_config[port].speed_capability_mask2);
10596 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010597 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10598
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010599 bp->port.link_config[1] =
10600 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010601
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010602 bp->link_params.multi_phy_config =
10603 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010604 /* If the device is capable of WoL, set the default state according
10605 * to the HW
10606 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010607 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010608 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10609 (config & PORT_FEATURE_WOL_ENABLED));
10610
Yuval Mintz4ba76992013-01-14 05:11:45 +000010611 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
10612 PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE && !IS_MF(bp))
10613 bp->flags |= NO_ISCSI_FLAG;
10614 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
10615 PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI && !(IS_MF(bp)))
10616 bp->flags |= NO_FCOE_FLAG;
10617
Merav Sicron51c1a582012-03-18 10:33:38 +000010618 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010619 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010620 bp->link_params.speed_cap_mask[0],
10621 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010622
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010623 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010624 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010625 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010626 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010627
10628 bnx2x_link_settings_requested(bp);
10629
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010630 /*
10631 * If connected directly, work with the internal PHY, otherwise, work
10632 * with the external PHY
10633 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010634 ext_phy_config =
10635 SHMEM_RD(bp,
10636 dev_info.port_hw_config[port].external_phy_config);
10637 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010638 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010639 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010640
10641 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10642 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10643 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010644 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010645
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010646 /* Configure link feature according to nvram value */
10647 eee_mode = (((SHMEM_RD(bp, dev_info.
10648 port_feature_config[port].eee_power_mode)) &
10649 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10650 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10651 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10652 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10653 EEE_MODE_ENABLE_LPI |
10654 EEE_MODE_OUTPUT_TIME;
10655 } else {
10656 bp->link_params.eee_mode = 0;
10657 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010658}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010659
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010660void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010661{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010662 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010663 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010664 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010665 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010666
Merav Sicron55c11942012-11-07 00:45:48 +000010667 if (!CNIC_SUPPORT(bp)) {
10668 bp->flags |= no_flags;
10669 return;
10670 }
10671
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010672 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010673 bp->cnic_eth_dev.max_iscsi_conn =
10674 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10675 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10676
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010677 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10678 bp->cnic_eth_dev.max_iscsi_conn);
10679
10680 /*
10681 * If maximum allowed number of connections is zero -
10682 * disable the feature.
10683 */
10684 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010685 bp->flags |= no_flags;
Merav Sicron55c11942012-11-07 00:45:48 +000010686
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010687}
10688
Bill Pemberton0329aba2012-12-03 09:24:24 -050010689static void bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010690{
10691 /* Port info */
10692 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10693 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10694 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10695 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10696
10697 /* Node info */
10698 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10699 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10700 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10701 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10702}
Bill Pemberton0329aba2012-12-03 09:24:24 -050010703static void bnx2x_get_fcoe_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010704{
10705 int port = BP_PORT(bp);
10706 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010707 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10708 drv_lic_key[port].max_fcoe_conn);
10709
Merav Sicron55c11942012-11-07 00:45:48 +000010710 if (!CNIC_SUPPORT(bp)) {
10711 bp->flags |= NO_FCOE_FLAG;
10712 return;
10713 }
10714
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010715 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010716 bp->cnic_eth_dev.max_fcoe_conn =
10717 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10718 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10719
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010720 /* Read the WWN: */
10721 if (!IS_MF(bp)) {
10722 /* Port info */
10723 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10724 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000010725 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010726 fcoe_wwn_port_name_upper);
10727 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10728 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000010729 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010730 fcoe_wwn_port_name_lower);
10731
10732 /* Node info */
10733 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10734 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000010735 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010736 fcoe_wwn_node_name_upper);
10737 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10738 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000010739 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010740 fcoe_wwn_node_name_lower);
10741 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010742 /*
10743 * Read the WWN info only if the FCoE feature is enabled for
10744 * this function.
10745 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000010746 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010747 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010748
Yuval Mintz382e5132012-12-02 04:05:51 +000010749 } else if (IS_MF_FCOE_SD(bp) && !CHIP_IS_E1x(bp)) {
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010750 bnx2x_get_ext_wwn_info(bp, func);
Yuval Mintz382e5132012-12-02 04:05:51 +000010751 }
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010752
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010753 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010754
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010755 /*
10756 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010757 * disable the feature.
10758 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010759 if (!bp->cnic_eth_dev.max_fcoe_conn)
10760 bp->flags |= NO_FCOE_FLAG;
10761}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010762
Bill Pemberton0329aba2012-12-03 09:24:24 -050010763static void bnx2x_get_cnic_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010764{
10765 /*
10766 * iSCSI may be dynamically disabled but reading
10767 * info here we will decrease memory usage by driver
10768 * if the feature is disabled for good
10769 */
10770 bnx2x_get_iscsi_info(bp);
10771 bnx2x_get_fcoe_info(bp);
10772}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010773
Bill Pemberton0329aba2012-12-03 09:24:24 -050010774static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +000010775{
10776 u32 val, val2;
10777 int func = BP_ABS_FUNC(bp);
10778 int port = BP_PORT(bp);
10779 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10780 u8 *fip_mac = bp->fip_mac;
10781
10782 if (IS_MF(bp)) {
10783 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
10784 * FCoE MAC then the appropriate feature should be disabled.
10785 * In non SD mode features configuration comes from struct
10786 * func_ext_config.
10787 */
10788 if (!IS_MF_SD(bp) && !CHIP_IS_E1x(bp)) {
10789 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10790 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10791 val2 = MF_CFG_RD(bp, func_ext_config[func].
10792 iscsi_mac_addr_upper);
10793 val = MF_CFG_RD(bp, func_ext_config[func].
10794 iscsi_mac_addr_lower);
10795 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10796 BNX2X_DEV_INFO
10797 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10798 } else {
10799 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10800 }
10801
10802 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10803 val2 = MF_CFG_RD(bp, func_ext_config[func].
10804 fcoe_mac_addr_upper);
10805 val = MF_CFG_RD(bp, func_ext_config[func].
10806 fcoe_mac_addr_lower);
10807 bnx2x_set_mac_buf(fip_mac, val, val2);
10808 BNX2X_DEV_INFO
10809 ("Read FCoE L2 MAC: %pM\n", fip_mac);
10810 } else {
10811 bp->flags |= NO_FCOE_FLAG;
10812 }
10813
10814 bp->mf_ext_config = cfg;
10815
10816 } else { /* SD MODE */
10817 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10818 /* use primary mac as iscsi mac */
10819 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
10820
10821 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10822 BNX2X_DEV_INFO
10823 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10824 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
10825 /* use primary mac as fip mac */
10826 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
10827 BNX2X_DEV_INFO("SD FCoE MODE\n");
10828 BNX2X_DEV_INFO
10829 ("Read FIP MAC: %pM\n", fip_mac);
10830 }
10831 }
10832
10833 if (IS_MF_STORAGE_SD(bp))
10834 /* Zero primary MAC configuration */
10835 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10836
Dmitry Kravkovf72839d2013-01-14 05:11:43 +000010837 if (IS_MF_FCOE_AFEX(bp) || IS_MF_FCOE_SD(bp))
Merav Sicron55c11942012-11-07 00:45:48 +000010838 /* use FIP MAC as primary MAC */
10839 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10840
10841 } else {
10842 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10843 iscsi_mac_upper);
10844 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10845 iscsi_mac_lower);
10846 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10847
10848 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10849 fcoe_fip_mac_upper);
10850 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10851 fcoe_fip_mac_lower);
10852 bnx2x_set_mac_buf(fip_mac, val, val2);
10853 }
10854
10855 /* Disable iSCSI OOO if MAC configuration is invalid. */
10856 if (!is_valid_ether_addr(iscsi_mac)) {
10857 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10858 memset(iscsi_mac, 0, ETH_ALEN);
10859 }
10860
10861 /* Disable FCoE if MAC configuration is invalid. */
10862 if (!is_valid_ether_addr(fip_mac)) {
10863 bp->flags |= NO_FCOE_FLAG;
10864 memset(bp->fip_mac, 0, ETH_ALEN);
10865 }
10866}
10867
Bill Pemberton0329aba2012-12-03 09:24:24 -050010868static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010869{
10870 u32 val, val2;
10871 int func = BP_ABS_FUNC(bp);
10872 int port = BP_PORT(bp);
10873
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010874 /* Zero primary MAC configuration */
10875 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10876
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010877 if (BP_NOMCP(bp)) {
10878 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010879 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010880 } else if (IS_MF(bp)) {
10881 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10882 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10883 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10884 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10885 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10886
Merav Sicron55c11942012-11-07 00:45:48 +000010887 if (CNIC_SUPPORT(bp))
10888 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010889 } else {
10890 /* in SF read MACs from port configuration */
10891 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10892 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10893 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10894
Merav Sicron55c11942012-11-07 00:45:48 +000010895 if (CNIC_SUPPORT(bp))
10896 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010897 }
10898
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010899 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010900
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010901 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010902 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010903 "bad Ethernet MAC address configuration: %pM\n"
10904 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010905 bp->dev->dev_addr);
Yuval Mintz79642112012-12-02 04:05:50 +000010906}
Merav Sicron51c1a582012-03-18 10:33:38 +000010907
Bill Pemberton0329aba2012-12-03 09:24:24 -050010908static bool bnx2x_get_dropless_info(struct bnx2x *bp)
Yuval Mintz79642112012-12-02 04:05:50 +000010909{
10910 int tmp;
10911 u32 cfg;
Merav Sicron51c1a582012-03-18 10:33:38 +000010912
Yuval Mintz79642112012-12-02 04:05:50 +000010913 if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
10914 /* Take function: tmp = func */
10915 tmp = BP_ABS_FUNC(bp);
10916 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
10917 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
10918 } else {
10919 /* Take port: tmp = port */
10920 tmp = BP_PORT(bp);
10921 cfg = SHMEM_RD(bp,
10922 dev_info.port_hw_config[tmp].generic_features);
10923 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
10924 }
10925 return cfg;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010926}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010927
Bill Pemberton0329aba2012-12-03 09:24:24 -050010928static int bnx2x_get_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010929{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010930 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010931 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010932 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010933 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010934
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010935 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010936
Ariel Elior6383c0b2011-07-14 08:31:57 +000010937 /*
10938 * initialize IGU parameters
10939 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010940 if (CHIP_IS_E1x(bp)) {
10941 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010942
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010943 bp->igu_dsb_id = DEF_SB_IGU_ID;
10944 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010945 } else {
10946 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010947
10948 /* do not allow device reset during IGU info preocessing */
10949 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10950
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010951 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010952
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010953 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010954 int tout = 5000;
10955
10956 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10957
10958 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10959 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10960 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10961
10962 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10963 tout--;
Yuval Mintz0926d492013-01-23 03:21:45 +000010964 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010965 }
10966
10967 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10968 dev_err(&bp->pdev->dev,
10969 "FORCING Normal Mode failed!!!\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010970 bnx2x_release_hw_lock(bp,
10971 HW_LOCK_RESOURCE_RESET);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010972 return -EPERM;
10973 }
10974 }
10975
10976 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10977 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010978 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10979 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010980 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010981
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010982 rc = bnx2x_get_igu_cam_info(bp);
David S. Miller8decf862011-09-22 03:23:13 -040010983 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010984 if (rc)
10985 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010986 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010987
10988 /*
10989 * set base FW non-default (fast path) status block id, this value is
10990 * used to initialize the fw_sb_id saved on the fp/queue structure to
10991 * determine the id used by the FW.
10992 */
10993 if (CHIP_IS_E1x(bp))
10994 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10995 else /*
10996 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10997 * the same queue are indicated on the same IGU SB). So we prefer
10998 * FW and IGU SBs to be the same value.
10999 */
11000 bp->base_fw_ndsb = bp->igu_base_sb;
11001
11002 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
11003 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
11004 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011005
11006 /*
11007 * Initialize MF configuration
11008 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011009
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011010 bp->mf_ov = 0;
11011 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040011012 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011013
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011014 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011015 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
11016 bp->common.shmem2_base, SHMEM2_RD(bp, size),
11017 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
11018
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011019 if (SHMEM2_HAS(bp, mf_cfg_addr))
11020 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
11021 else
11022 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011023 offsetof(struct shmem_region, func_mb) +
11024 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011025 /*
11026 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011027 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011028 * 2. MAC address must be legal (check only upper bytes)
11029 * for Switch-Independent mode;
11030 * OVLAN must be legal for Switch-Dependent mode
11031 * 3. SF_MODE configures specific MF mode
11032 */
11033 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11034 /* get mf configuration */
11035 val = SHMEM_RD(bp,
11036 dev_info.shared_feature_config.config);
11037 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011038
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011039 switch (val) {
11040 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
11041 val = MF_CFG_RD(bp, func_mf_config[func].
11042 mac_upper);
11043 /* check for legal mac (upper bytes)*/
11044 if (val != 0xffff) {
11045 bp->mf_mode = MULTI_FUNCTION_SI;
11046 bp->mf_config[vn] = MF_CFG_RD(bp,
11047 func_mf_config[func].config);
11048 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000011049 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011050 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011051 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
11052 if ((!CHIP_IS_E1x(bp)) &&
11053 (MF_CFG_RD(bp, func_mf_config[func].
11054 mac_upper) != 0xffff) &&
11055 (SHMEM2_HAS(bp,
11056 afex_driver_support))) {
11057 bp->mf_mode = MULTI_FUNCTION_AFEX;
11058 bp->mf_config[vn] = MF_CFG_RD(bp,
11059 func_mf_config[func].config);
11060 } else {
11061 BNX2X_DEV_INFO("can not configure afex mode\n");
11062 }
11063 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011064 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
11065 /* get OV configuration */
11066 val = MF_CFG_RD(bp,
11067 func_mf_config[FUNC_0].e1hov_tag);
11068 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
11069
11070 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
11071 bp->mf_mode = MULTI_FUNCTION_SD;
11072 bp->mf_config[vn] = MF_CFG_RD(bp,
11073 func_mf_config[func].config);
11074 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011075 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011076 break;
Ariel Elior3786b942013-03-11 05:17:44 +000011077 case SHARED_FEAT_CFG_FORCE_SF_MODE_FORCED_SF:
11078 bp->mf_config[vn] = 0;
11079 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011080 default:
11081 /* Unknown configuration: reset mf_config */
11082 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000011083 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011084 }
11085 }
11086
Eilon Greenstein2691d512009-08-12 08:22:08 +000011087 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011088 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000011089
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011090 switch (bp->mf_mode) {
11091 case MULTI_FUNCTION_SD:
11092 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
11093 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011094 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011095 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011096 bp->path_has_ovlan = true;
11097
Merav Sicron51c1a582012-03-18 10:33:38 +000011098 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
11099 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000011100 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011101 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011102 "No valid MF OV for func %d, aborting\n",
11103 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011104 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011105 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011106 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011107 case MULTI_FUNCTION_AFEX:
11108 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
11109 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011110 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000011111 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
11112 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011113 break;
11114 default:
11115 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011116 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011117 "VN %d is in a single function mode, aborting\n",
11118 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011119 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011120 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011121 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011122 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011123
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011124 /* check if other port on the path needs ovlan:
11125 * Since MF configuration is shared between ports
11126 * Possible mixed modes are only
11127 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
11128 */
11129 if (CHIP_MODE_IS_4_PORT(bp) &&
11130 !bp->path_has_ovlan &&
11131 !IS_MF(bp) &&
11132 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11133 u8 other_port = !BP_PORT(bp);
11134 u8 other_func = BP_PATH(bp) + 2*other_port;
11135 val = MF_CFG_RD(bp,
11136 func_mf_config[other_func].e1hov_tag);
11137 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
11138 bp->path_has_ovlan = true;
11139 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011140 }
11141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011142 /* adjust igu_sb_cnt to MF for E1x */
11143 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011144 bp->igu_sb_cnt /= E1HVN_MAX;
11145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011146 /* port info */
11147 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011148
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011149 /* Get MAC addresses */
11150 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011151
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011152 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011153
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011154 return rc;
11155}
11156
Bill Pemberton0329aba2012-12-03 09:24:24 -050011157static void bnx2x_read_fwinfo(struct bnx2x *bp)
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011158{
11159 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011160 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011161 char str_id_reg[VENDOR_ID_LEN+1];
11162 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011163 char *vpd_data;
11164 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011165 u8 len;
11166
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011167 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011168 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
11169
11170 if (cnt < BNX2X_VPD_LEN)
11171 goto out_not_found;
11172
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011173 /* VPD RO tag should be first tag after identifier string, hence
11174 * we should be able to find it in first BNX2X_VPD_LEN chars
11175 */
11176 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011177 PCI_VPD_LRDT_RO_DATA);
11178 if (i < 0)
11179 goto out_not_found;
11180
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011181 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011182 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011183
11184 i += PCI_VPD_LRDT_TAG_SIZE;
11185
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011186 if (block_end > BNX2X_VPD_LEN) {
11187 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
11188 if (vpd_extended_data == NULL)
11189 goto out_not_found;
11190
11191 /* read rest of vpd image into vpd_extended_data */
11192 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
11193 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
11194 block_end - BNX2X_VPD_LEN,
11195 vpd_extended_data + BNX2X_VPD_LEN);
11196 if (cnt < (block_end - BNX2X_VPD_LEN))
11197 goto out_not_found;
11198 vpd_data = vpd_extended_data;
11199 } else
11200 vpd_data = vpd_start;
11201
11202 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011203
11204 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11205 PCI_VPD_RO_KEYWORD_MFR_ID);
11206 if (rodi < 0)
11207 goto out_not_found;
11208
11209 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11210
11211 if (len != VENDOR_ID_LEN)
11212 goto out_not_found;
11213
11214 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11215
11216 /* vendor specific info */
11217 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
11218 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
11219 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
11220 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
11221
11222 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11223 PCI_VPD_RO_KEYWORD_VENDOR0);
11224 if (rodi >= 0) {
11225 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11226
11227 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11228
11229 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
11230 memcpy(bp->fw_ver, &vpd_data[rodi], len);
11231 bp->fw_ver[len] = ' ';
11232 }
11233 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011234 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011235 return;
11236 }
11237out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011238 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011239 return;
11240}
11241
Bill Pemberton0329aba2012-12-03 09:24:24 -050011242static void bnx2x_set_modes_bitmap(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011243{
11244 u32 flags = 0;
11245
11246 if (CHIP_REV_IS_FPGA(bp))
11247 SET_FLAGS(flags, MODE_FPGA);
11248 else if (CHIP_REV_IS_EMUL(bp))
11249 SET_FLAGS(flags, MODE_EMUL);
11250 else
11251 SET_FLAGS(flags, MODE_ASIC);
11252
11253 if (CHIP_MODE_IS_4_PORT(bp))
11254 SET_FLAGS(flags, MODE_PORT4);
11255 else
11256 SET_FLAGS(flags, MODE_PORT2);
11257
11258 if (CHIP_IS_E2(bp))
11259 SET_FLAGS(flags, MODE_E2);
11260 else if (CHIP_IS_E3(bp)) {
11261 SET_FLAGS(flags, MODE_E3);
11262 if (CHIP_REV(bp) == CHIP_REV_Ax)
11263 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011264 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
11265 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011266 }
11267
11268 if (IS_MF(bp)) {
11269 SET_FLAGS(flags, MODE_MF);
11270 switch (bp->mf_mode) {
11271 case MULTI_FUNCTION_SD:
11272 SET_FLAGS(flags, MODE_MF_SD);
11273 break;
11274 case MULTI_FUNCTION_SI:
11275 SET_FLAGS(flags, MODE_MF_SI);
11276 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011277 case MULTI_FUNCTION_AFEX:
11278 SET_FLAGS(flags, MODE_MF_AFEX);
11279 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011280 }
11281 } else
11282 SET_FLAGS(flags, MODE_SF);
11283
11284#if defined(__LITTLE_ENDIAN)
11285 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
11286#else /*(__BIG_ENDIAN)*/
11287 SET_FLAGS(flags, MODE_BIG_ENDIAN);
11288#endif
11289 INIT_MODE_FLAGS(bp) = flags;
11290}
11291
Bill Pemberton0329aba2012-12-03 09:24:24 -050011292static int bnx2x_init_bp(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011293{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011294 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011295 int rc;
11296
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011297 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070011298 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070011299 spin_lock_init(&bp->stats_lock);
Merav Sicron55c11942012-11-07 00:45:48 +000011300
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011301
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011302 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000011303 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011304 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Ariel Elior1ab44342013-01-01 05:22:23 +000011305 if (IS_PF(bp)) {
11306 rc = bnx2x_get_hwinfo(bp);
11307 if (rc)
11308 return rc;
11309 } else {
11310 random_ether_addr(bp->dev->dev_addr);
11311 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011312
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011313 bnx2x_set_modes_bitmap(bp);
11314
11315 rc = bnx2x_alloc_mem_bp(bp);
11316 if (rc)
11317 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011318
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011319 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011320
11321 func = BP_FUNC(bp);
11322
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011323 /* need to reset chip if undi was active */
Ariel Elior1ab44342013-01-01 05:22:23 +000011324 if (IS_PF(bp) && !BP_NOMCP(bp)) {
Yuval Mintz452427b2012-03-26 20:47:07 +000011325 /* init fw_seq */
11326 bp->fw_seq =
11327 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
11328 DRV_MSG_SEQ_NUMBER_MASK;
11329 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
11330
11331 bnx2x_prev_unload(bp);
11332 }
11333
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011334
11335 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011336 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011337
11338 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000011339 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011340
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011341 bp->disable_tpa = disable_tpa;
Barak Witkowskia3348722012-04-23 03:04:46 +000011342 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011343
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011344 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011345 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011346 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011347 bp->dev->features &= ~NETIF_F_LRO;
11348 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011349 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011350 bp->dev->features |= NETIF_F_LRO;
11351 }
11352
Eilon Greensteina18f5122009-08-12 08:23:26 +000011353 if (CHIP_IS_E1(bp))
11354 bp->dropless_fc = 0;
11355 else
Yuval Mintz79642112012-12-02 04:05:50 +000011356 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
Eilon Greensteina18f5122009-08-12 08:23:26 +000011357
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000011358 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011359
Barak Witkowskia3348722012-04-23 03:04:46 +000011360 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Ariel Elior1ab44342013-01-01 05:22:23 +000011361 if (IS_VF(bp))
11362 bp->rx_ring_size = MAX_RX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011363
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000011364 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011365 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
11366 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011367
Michal Schmidtfc543632012-02-14 09:05:46 +000011368 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011369
11370 init_timer(&bp->timer);
11371 bp->timer.expires = jiffies + bp->current_interval;
11372 bp->timer.data = (unsigned long) bp;
11373 bp->timer.function = bnx2x_timer;
11374
Barak Witkowski0370cf92012-12-02 04:05:55 +000011375 if (SHMEM2_HAS(bp, dcbx_lldp_params_offset) &&
11376 SHMEM2_HAS(bp, dcbx_lldp_dcbx_stat_offset) &&
11377 SHMEM2_RD(bp, dcbx_lldp_params_offset) &&
11378 SHMEM2_RD(bp, dcbx_lldp_dcbx_stat_offset)) {
11379 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
11380 bnx2x_dcbx_init_params(bp);
11381 } else {
11382 bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);
11383 }
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000011384
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011385 if (CHIP_IS_E1x(bp))
11386 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
11387 else
11388 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011389
Ariel Elior6383c0b2011-07-14 08:31:57 +000011390 /* multiple tx priority */
Ariel Elior1ab44342013-01-01 05:22:23 +000011391 if (IS_VF(bp))
11392 bp->max_cos = 1;
11393 else if (CHIP_IS_E1x(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011394 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
Ariel Elior1ab44342013-01-01 05:22:23 +000011395 else if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011396 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011397 else if (CHIP_IS_E3B0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011398 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011399 else
11400 BNX2X_ERR("unknown chip %x revision %x\n",
11401 CHIP_NUM(bp), CHIP_REV(bp));
11402 BNX2X_DEV_INFO("set bp->max_cos to %d\n", bp->max_cos);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011403
Merav Sicron55c11942012-11-07 00:45:48 +000011404 /* We need at least one default status block for slow-path events,
11405 * second status block for the L2 queue, and a third status block for
11406 * CNIC if supproted.
11407 */
11408 if (CNIC_SUPPORT(bp))
11409 bp->min_msix_vec_cnt = 3;
11410 else
11411 bp->min_msix_vec_cnt = 2;
11412 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
11413
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011414 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011415}
11416
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011417
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011418/****************************************************************************
11419* General service functions
11420****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011421
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011422/*
11423 * net_device service functions
11424 */
11425
Ariel Elior8395be52013-01-01 05:22:44 +000011426static int bnx2x_open_epilog(struct bnx2x *bp)
11427{
11428 /* Enable sriov via delayed work. This must be done via delayed work
11429 * because it causes the probe of the vf devices to be run, which invoke
11430 * register_netdevice which must have rtnl lock taken. As we are holding
11431 * the lock right now, that could only work if the probe would not take
11432 * the lock. However, as the probe of the vf may be called from other
11433 * contexts as well (such as passthrough to vm failes) it can't assume
11434 * the lock is being held for it. Using delayed work here allows the
11435 * probe code to simply take the lock (i.e. wait for it to be released
11436 * if it is being held).
11437 */
11438 smp_mb__before_clear_bit();
11439 set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state);
11440 smp_mb__after_clear_bit();
11441 schedule_delayed_work(&bp->sp_rtnl_task, 0);
11442
11443 return 0;
11444}
11445
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011446/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011447static int bnx2x_open(struct net_device *dev)
11448{
11449 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011450 bool global = false;
11451 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000011452 bool other_load_status, load_status;
Ariel Elior8395be52013-01-01 05:22:44 +000011453 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011454
Mintz Yuval1355b702012-02-15 02:10:22 +000011455 bp->stats_init = true;
11456
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000011457 netif_carrier_off(dev);
11458
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011459 bnx2x_set_power_state(bp, PCI_D0);
11460
Ariel Eliorad5afc82013-01-01 05:22:26 +000011461 /* If parity had happen during the unload, then attentions
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011462 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
11463 * want the first function loaded on the current engine to
11464 * complete the recovery.
Ariel Eliorad5afc82013-01-01 05:22:26 +000011465 * Parity recovery is only relevant for PF driver.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011466 */
Ariel Eliorad5afc82013-01-01 05:22:26 +000011467 if (IS_PF(bp)) {
11468 other_load_status = bnx2x_get_load_status(bp, other_engine);
11469 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
11470 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
11471 bnx2x_chk_parity_attn(bp, &global, true)) {
11472 do {
11473 /* If there are attentions and they are in a
11474 * global blocks, set the GLOBAL_RESET bit
11475 * regardless whether it will be this function
11476 * that will complete the recovery or not.
11477 */
11478 if (global)
11479 bnx2x_set_reset_global(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011480
Ariel Eliorad5afc82013-01-01 05:22:26 +000011481 /* Only the first function on the current
11482 * engine should try to recover in open. In case
11483 * of attentions in global blocks only the first
11484 * in the chip should try to recover.
11485 */
11486 if ((!load_status &&
11487 (!global || !other_load_status)) &&
11488 bnx2x_trylock_leader_lock(bp) &&
11489 !bnx2x_leader_reset(bp)) {
11490 netdev_info(bp->dev,
11491 "Recovered in open\n");
11492 break;
11493 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011494
Ariel Eliorad5afc82013-01-01 05:22:26 +000011495 /* recovery has failed... */
11496 bnx2x_set_power_state(bp, PCI_D3hot);
11497 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011498
Ariel Eliorad5afc82013-01-01 05:22:26 +000011499 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11500 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011501
Ariel Eliorad5afc82013-01-01 05:22:26 +000011502 return -EAGAIN;
11503 } while (0);
11504 }
11505 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011506
11507 bp->recovery_state = BNX2X_RECOVERY_DONE;
Ariel Elior8395be52013-01-01 05:22:44 +000011508 rc = bnx2x_nic_load(bp, LOAD_OPEN);
11509 if (rc)
11510 return rc;
11511 return bnx2x_open_epilog(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011512}
11513
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011514/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011515static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011516{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011517 struct bnx2x *bp = netdev_priv(dev);
11518
11519 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011520 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011521
11522 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011523 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011524
11525 return 0;
11526}
11527
Eric Dumazet1191cb82012-04-27 21:39:21 +000011528static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11529 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011530{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011531 int mc_count = netdev_mc_count(bp->dev);
11532 struct bnx2x_mcast_list_elem *mc_mac =
11533 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011534 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011535
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011536 if (!mc_mac)
11537 return -ENOMEM;
11538
11539 INIT_LIST_HEAD(&p->mcast_list);
11540
11541 netdev_for_each_mc_addr(ha, bp->dev) {
11542 mc_mac->mac = bnx2x_mc_addr(ha);
11543 list_add_tail(&mc_mac->link, &p->mcast_list);
11544 mc_mac++;
11545 }
11546
11547 p->mcast_list_len = mc_count;
11548
11549 return 0;
11550}
11551
Eric Dumazet1191cb82012-04-27 21:39:21 +000011552static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011553 struct bnx2x_mcast_ramrod_params *p)
11554{
11555 struct bnx2x_mcast_list_elem *mc_mac =
11556 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11557 link);
11558
11559 WARN_ON(!mc_mac);
11560 kfree(mc_mac);
11561}
11562
11563/**
11564 * bnx2x_set_uc_list - configure a new unicast MACs list.
11565 *
11566 * @bp: driver handle
11567 *
11568 * We will use zero (0) as a MAC type for these MACs.
11569 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011570static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011571{
11572 int rc;
11573 struct net_device *dev = bp->dev;
11574 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011575 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011576 unsigned long ramrod_flags = 0;
11577
11578 /* First schedule a cleanup up of old configuration */
11579 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11580 if (rc < 0) {
11581 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11582 return rc;
11583 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011584
11585 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011586 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11587 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011588 if (rc == -EEXIST) {
11589 DP(BNX2X_MSG_SP,
11590 "Failed to schedule ADD operations: %d\n", rc);
11591 /* do not treat adding same MAC as error */
11592 rc = 0;
11593
11594 } else if (rc < 0) {
11595
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011596 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11597 rc);
11598 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011599 }
11600 }
11601
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011602 /* Execute the pending commands */
11603 __set_bit(RAMROD_CONT, &ramrod_flags);
11604 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11605 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011606}
11607
Eric Dumazet1191cb82012-04-27 21:39:21 +000011608static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011609{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011610 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011611 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011612 int rc = 0;
11613
11614 rparam.mcast_obj = &bp->mcast_obj;
11615
11616 /* first, clear all configured multicast MACs */
11617 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11618 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011619 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011620 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011621 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011622
11623 /* then, configure a new MACs list */
11624 if (netdev_mc_count(dev)) {
11625 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11626 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011627 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11628 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011629 return rc;
11630 }
11631
11632 /* Now add the new MACs */
11633 rc = bnx2x_config_mcast(bp, &rparam,
11634 BNX2X_MCAST_CMD_ADD);
11635 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011636 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11637 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011638
11639 bnx2x_free_mcast_macs_list(&rparam);
11640 }
11641
11642 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011643}
11644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011645/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011646void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011647{
11648 struct bnx2x *bp = netdev_priv(dev);
11649 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011650
11651 if (bp->state != BNX2X_STATE_OPEN) {
11652 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11653 return;
11654 }
11655
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011656 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011657
11658 if (dev->flags & IFF_PROMISC)
11659 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011660 else if ((dev->flags & IFF_ALLMULTI) ||
11661 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11662 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011663 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011664 else {
Ariel Elior381ac162013-01-01 05:22:29 +000011665 if (IS_PF(bp)) {
11666 /* some multicasts */
11667 if (bnx2x_set_mc_list(bp) < 0)
11668 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011669
Ariel Elior381ac162013-01-01 05:22:29 +000011670 if (bnx2x_set_uc_list(bp) < 0)
11671 rx_mode = BNX2X_RX_MODE_PROMISC;
11672 } else {
11673 /* configuring mcast to a vf involves sleeping (when we
11674 * wait for the pf's response). Since this function is
11675 * called from non sleepable context we must schedule
11676 * a work item for this purpose
11677 */
11678 smp_mb__before_clear_bit();
11679 set_bit(BNX2X_SP_RTNL_VFPF_MCAST,
11680 &bp->sp_rtnl_state);
11681 smp_mb__after_clear_bit();
11682 schedule_delayed_work(&bp->sp_rtnl_task, 0);
11683 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011684 }
11685
11686 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011687 /* handle ISCSI SD mode */
11688 if (IS_MF_ISCSI_SD(bp))
11689 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011690
11691 /* Schedule the rx_mode command */
11692 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11693 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11694 return;
11695 }
11696
Ariel Elior381ac162013-01-01 05:22:29 +000011697 if (IS_PF(bp)) {
11698 bnx2x_set_storm_rx_mode(bp);
11699 } else {
11700 /* configuring rx mode to storms in a vf involves sleeping (when
11701 * we wait for the pf's response). Since this function is
11702 * called from non sleepable context we must schedule
11703 * a work item for this purpose
11704 */
11705 smp_mb__before_clear_bit();
11706 set_bit(BNX2X_SP_RTNL_VFPF_STORM_RX_MODE,
11707 &bp->sp_rtnl_state);
11708 smp_mb__after_clear_bit();
11709 schedule_delayed_work(&bp->sp_rtnl_task, 0);
11710 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011711}
11712
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011713/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011714static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11715 int devad, u16 addr)
11716{
11717 struct bnx2x *bp = netdev_priv(netdev);
11718 u16 value;
11719 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011720
11721 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11722 prtad, devad, addr);
11723
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011724 /* The HW expects different devad if CL22 is used */
11725 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11726
11727 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011728 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011729 bnx2x_release_phy_lock(bp);
11730 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11731
11732 if (!rc)
11733 rc = value;
11734 return rc;
11735}
11736
11737/* called with rtnl_lock */
11738static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11739 u16 addr, u16 value)
11740{
11741 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011742 int rc;
11743
Merav Sicron51c1a582012-03-18 10:33:38 +000011744 DP(NETIF_MSG_LINK,
11745 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11746 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011747
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011748 /* The HW expects different devad if CL22 is used */
11749 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11750
11751 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011752 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011753 bnx2x_release_phy_lock(bp);
11754 return rc;
11755}
11756
11757/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011758static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11759{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011760 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011761 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011762
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011763 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11764 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011765
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011766 if (!netif_running(dev))
11767 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011768
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011769 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011770}
11771
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011772#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011773static void poll_bnx2x(struct net_device *dev)
11774{
11775 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011776 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011777
Merav Sicron14a15d62012-08-27 03:26:20 +000011778 for_each_eth_queue(bp, i) {
11779 struct bnx2x_fastpath *fp = &bp->fp[i];
11780 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11781 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011782}
11783#endif
11784
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011785static int bnx2x_validate_addr(struct net_device *dev)
11786{
11787 struct bnx2x *bp = netdev_priv(dev);
11788
Merav Sicron51c1a582012-03-18 10:33:38 +000011789 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11790 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011791 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011792 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011793 return 0;
11794}
11795
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011796static const struct net_device_ops bnx2x_netdev_ops = {
11797 .ndo_open = bnx2x_open,
11798 .ndo_stop = bnx2x_close,
11799 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011800 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011801 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011802 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011803 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011804 .ndo_do_ioctl = bnx2x_ioctl,
11805 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011806 .ndo_fix_features = bnx2x_fix_features,
11807 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011808 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011809#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011810 .ndo_poll_controller = poll_bnx2x,
11811#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011812 .ndo_setup_tc = bnx2x_setup_tc,
Ariel Elior64112802013-01-07 00:50:23 +000011813#ifdef CONFIG_BNX2X_SRIOV
Ariel Eliorabc5a022013-01-01 05:22:43 +000011814 .ndo_set_vf_mac = bnx2x_set_vf_mac,
Ariel Elior3ec9f9c2013-03-11 05:17:45 +000011815 .ndo_set_vf_vlan = bnx2x_set_vf_vlan,
11816 .ndo_get_vf_config = bnx2x_get_vf_config,
Ariel Elior64112802013-01-07 00:50:23 +000011817#endif
Merav Sicron55c11942012-11-07 00:45:48 +000011818#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011819 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11820#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011821};
11822
Eric Dumazet1191cb82012-04-27 21:39:21 +000011823static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011824{
11825 struct device *dev = &bp->pdev->dev;
11826
11827 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11828 bp->flags |= USING_DAC_FLAG;
11829 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011830 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011831 return -EIO;
11832 }
11833 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11834 dev_err(dev, "System does not support DMA, aborting\n");
11835 return -EIO;
11836 }
11837
11838 return 0;
11839}
11840
Ariel Elior1ab44342013-01-01 05:22:23 +000011841static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
11842 struct net_device *dev, unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011843{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011844 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011845 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011846 bool chip_is_e1x = (board_type == BCM57710 ||
11847 board_type == BCM57711 ||
11848 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011849
11850 SET_NETDEV_DEV(dev, &pdev->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011851
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011852 bp->dev = dev;
11853 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011854
11855 rc = pci_enable_device(pdev);
11856 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011857 dev_err(&bp->pdev->dev,
11858 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011859 goto err_out;
11860 }
11861
11862 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011863 dev_err(&bp->pdev->dev,
11864 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011865 rc = -ENODEV;
11866 goto err_out_disable;
11867 }
11868
Ariel Elior1ab44342013-01-01 05:22:23 +000011869 if (IS_PF(bp) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
11870 dev_err(&bp->pdev->dev, "Cannot find second PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011871 rc = -ENODEV;
11872 goto err_out_disable;
11873 }
11874
Yaniv Rosner092a5fc2012-12-02 23:56:49 +000011875 pci_read_config_dword(pdev, PCICFG_REVISION_ID_OFFSET, &pci_cfg_dword);
11876 if ((pci_cfg_dword & PCICFG_REVESION_ID_MASK) ==
11877 PCICFG_REVESION_ID_ERROR_VAL) {
11878 pr_err("PCI device error, probably due to fan failure, aborting\n");
11879 rc = -ENODEV;
11880 goto err_out_disable;
11881 }
11882
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011883 if (atomic_read(&pdev->enable_cnt) == 1) {
11884 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11885 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011886 dev_err(&bp->pdev->dev,
11887 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011888 goto err_out_disable;
11889 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011890
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011891 pci_set_master(pdev);
11892 pci_save_state(pdev);
11893 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011894
Ariel Elior1ab44342013-01-01 05:22:23 +000011895 if (IS_PF(bp)) {
11896 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11897 if (bp->pm_cap == 0) {
11898 dev_err(&bp->pdev->dev,
11899 "Cannot find power management capability, aborting\n");
11900 rc = -EIO;
11901 goto err_out_release;
11902 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011903 }
11904
Jon Mason77c98e62011-06-27 07:45:12 +000011905 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011906 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011907 rc = -EIO;
11908 goto err_out_release;
11909 }
11910
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011911 rc = bnx2x_set_coherency_mask(bp);
11912 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011913 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011914
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011915 dev->mem_start = pci_resource_start(pdev, 0);
11916 dev->base_addr = dev->mem_start;
11917 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011918
11919 dev->irq = pdev->irq;
11920
Arjan van de Ven275f1652008-10-20 21:42:39 -070011921 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011922 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011923 dev_err(&bp->pdev->dev,
11924 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011925 rc = -ENOMEM;
11926 goto err_out_release;
11927 }
11928
Ariel Eliorc22610d02012-01-26 06:01:47 +000011929 /* In E1/E1H use pci device function given by kernel.
11930 * In E2/E3 read physical function from ME register since these chips
11931 * support Physical Device Assignment where kernel BDF maybe arbitrary
11932 * (depending on hypervisor).
11933 */
Yuval Mintz2de67432013-01-23 03:21:43 +000011934 if (chip_is_e1x) {
Ariel Eliorc22610d02012-01-26 06:01:47 +000011935 bp->pf_num = PCI_FUNC(pdev->devfn);
Yuval Mintz2de67432013-01-23 03:21:43 +000011936 } else {
11937 /* chip is E2/3*/
Ariel Eliorc22610d02012-01-26 06:01:47 +000011938 pci_read_config_dword(bp->pdev,
11939 PCICFG_ME_REGISTER, &pci_cfg_dword);
11940 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
Yuval Mintz2de67432013-01-23 03:21:43 +000011941 ME_REG_ABS_PF_NUM_SHIFT);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011942 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011943 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011945 bnx2x_set_power_state(bp, PCI_D0);
11946
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011947 /* clean indirect addresses */
11948 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11949 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011950 /*
11951 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011952 * is not used by the driver.
11953 */
Ariel Elior1ab44342013-01-01 05:22:23 +000011954 if (IS_PF(bp)) {
11955 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11956 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11957 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11958 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011959
Ariel Elior1ab44342013-01-01 05:22:23 +000011960 if (chip_is_e1x) {
11961 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11962 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11963 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11964 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11965 }
11966
11967 /* Enable internal target-read (in case we are probed after PF
11968 * FLR). Must be done prior to any BAR read access. Only for
11969 * 57712 and up
11970 */
11971 if (!chip_is_e1x)
11972 REG_WR(bp,
11973 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
David S. Miller8decf862011-09-22 03:23:13 -040011974 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011975
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011976 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011977
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011978 dev->netdev_ops = &bnx2x_netdev_ops;
Ariel Elior005a07ba2013-03-11 05:17:42 +000011979 bnx2x_set_ethtool_ops(bp, dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011980
Jiri Pirko01789342011-08-16 06:29:00 +000011981 dev->priv_flags |= IFF_UNICAST_FLT;
11982
Michał Mirosław66371c42011-04-12 09:38:23 +000011983 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011984 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11985 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11986 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011987
11988 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11989 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11990
11991 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011992 if (bp->flags & USING_DAC_FLAG)
11993 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011994
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011995 /* Add Loopback capability to the device */
11996 dev->hw_features |= NETIF_F_LOOPBACK;
11997
Shmulik Ravid98507672011-02-28 12:19:55 -080011998#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011999 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
12000#endif
12001
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012002 /* get_port_hwinfo() will set prtad and mmds properly */
12003 bp->mdio.prtad = MDIO_PRTAD_NONE;
12004 bp->mdio.mmds = 0;
12005 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
12006 bp->mdio.dev = dev;
12007 bp->mdio.mdio_read = bnx2x_mdio_read;
12008 bp->mdio.mdio_write = bnx2x_mdio_write;
12009
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012010 return 0;
12011
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012012err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012013 if (atomic_read(&pdev->enable_cnt) == 1)
12014 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012015
12016err_out_disable:
12017 pci_disable_device(pdev);
12018 pci_set_drvdata(pdev, NULL);
12019
12020err_out:
12021 return rc;
12022}
12023
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000012024static void bnx2x_get_pcie_width_speed(struct bnx2x *bp, int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080012025{
Ariel Elior1ab44342013-01-01 05:22:23 +000012026 u32 val = 0;
Eliezer Tamir25047952008-02-28 11:50:16 -080012027
Ariel Elior1ab44342013-01-01 05:22:23 +000012028 pci_read_config_dword(bp->pdev, PCICFG_LINK_CONTROL, &val);
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012029 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
12030
12031 /* return value of 1=2.5GHz 2=5GHz */
12032 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080012033}
12034
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000012035static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012036{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012037 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012038 struct bnx2x_fw_file_hdr *fw_hdr;
12039 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012040 u32 offset, len, num_ops;
Yuval Mintz86564c32013-01-23 03:21:50 +000012041 __be16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012042 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012043 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012044
Merav Sicron51c1a582012-03-18 10:33:38 +000012045 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
12046 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012047 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012048 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012049
12050 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
12051 sections = (struct bnx2x_fw_file_section *)fw_hdr;
12052
12053 /* Make sure none of the offsets and sizes make us read beyond
12054 * the end of the firmware data */
12055 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
12056 offset = be32_to_cpu(sections[i].offset);
12057 len = be32_to_cpu(sections[i].len);
12058 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012059 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012060 return -EINVAL;
12061 }
12062 }
12063
12064 /* Likewise for the init_ops offsets */
12065 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
Yuval Mintz86564c32013-01-23 03:21:50 +000012066 ops_offsets = (__force __be16 *)(firmware->data + offset);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012067 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
12068
12069 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
12070 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012071 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012072 return -EINVAL;
12073 }
12074 }
12075
12076 /* Check FW version */
12077 offset = be32_to_cpu(fw_hdr->fw_version.offset);
12078 fw_ver = firmware->data + offset;
12079 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
12080 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
12081 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
12082 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012083 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
12084 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
12085 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012086 BCM_5710_FW_MINOR_VERSION,
12087 BCM_5710_FW_REVISION_VERSION,
12088 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012089 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012090 }
12091
12092 return 0;
12093}
12094
Eric Dumazet1191cb82012-04-27 21:39:21 +000012095static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012096{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012097 const __be32 *source = (const __be32 *)_source;
12098 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012099 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012100
12101 for (i = 0; i < n/4; i++)
12102 target[i] = be32_to_cpu(source[i]);
12103}
12104
12105/*
12106 Ops array is stored in the following format:
12107 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
12108 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012109static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012110{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012111 const __be32 *source = (const __be32 *)_source;
12112 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012113 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012114
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012115 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012116 tmp = be32_to_cpu(source[j]);
12117 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012118 target[i].offset = tmp & 0xffffff;
12119 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012120 }
12121}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012122
Ben Hutchings1aa8b472012-07-10 10:56:59 +000012123/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012124 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
12125 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012126static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012127{
12128 const __be32 *source = (const __be32 *)_source;
12129 struct iro *target = (struct iro *)_target;
12130 u32 i, j, tmp;
12131
12132 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
12133 target[i].base = be32_to_cpu(source[j]);
12134 j++;
12135 tmp = be32_to_cpu(source[j]);
12136 target[i].m1 = (tmp >> 16) & 0xffff;
12137 target[i].m2 = tmp & 0xffff;
12138 j++;
12139 tmp = be32_to_cpu(source[j]);
12140 target[i].m3 = (tmp >> 16) & 0xffff;
12141 target[i].size = tmp & 0xffff;
12142 j++;
12143 }
12144}
12145
Eric Dumazet1191cb82012-04-27 21:39:21 +000012146static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012147{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012148 const __be16 *source = (const __be16 *)_source;
12149 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012150 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012151
12152 for (i = 0; i < n/2; i++)
12153 target[i] = be16_to_cpu(source[i]);
12154}
12155
Joe Perches7995c642010-02-17 15:01:52 +000012156#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
12157do { \
12158 u32 len = be32_to_cpu(fw_hdr->arr.len); \
12159 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000012160 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000012161 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000012162 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
12163 (u8 *)bp->arr, len); \
12164} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012165
Yuval Mintz3b603062012-03-18 10:33:39 +000012166static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012167{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012168 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012169 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000012170 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012171
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012172 if (bp->firmware)
12173 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012174
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012175 if (CHIP_IS_E1(bp))
12176 fw_file_name = FW_FILE_NAME_E1;
12177 else if (CHIP_IS_E1H(bp))
12178 fw_file_name = FW_FILE_NAME_E1H;
12179 else if (!CHIP_IS_E1x(bp))
12180 fw_file_name = FW_FILE_NAME_E2;
12181 else {
12182 BNX2X_ERR("Unsupported chip revision\n");
12183 return -EINVAL;
12184 }
12185 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012186
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012187 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
12188 if (rc) {
12189 BNX2X_ERR("Can't load firmware file %s\n",
12190 fw_file_name);
12191 goto request_firmware_exit;
12192 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012193
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012194 rc = bnx2x_check_firmware(bp);
12195 if (rc) {
12196 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
12197 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012198 }
12199
12200 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
12201
12202 /* Initialize the pointers to the init arrays */
12203 /* Blob */
12204 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
12205
12206 /* Opcodes */
12207 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
12208
12209 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012210 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
12211 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012212
12213 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000012214 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12215 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
12216 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
12217 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
12218 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12219 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
12220 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
12221 be32_to_cpu(fw_hdr->usem_pram_data.offset);
12222 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12223 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
12224 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
12225 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
12226 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12227 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
12228 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
12229 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012230 /* IRO */
12231 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012232
12233 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012234
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012235iro_alloc_err:
12236 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012237init_offsets_alloc_err:
12238 kfree(bp->init_ops);
12239init_ops_alloc_err:
12240 kfree(bp->init_data);
12241request_firmware_exit:
12242 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000012243 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012244
12245 return rc;
12246}
12247
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012248static void bnx2x_release_firmware(struct bnx2x *bp)
12249{
12250 kfree(bp->init_ops_offsets);
12251 kfree(bp->init_ops);
12252 kfree(bp->init_data);
12253 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012254 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012255}
12256
12257
12258static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
12259 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
12260 .init_hw_cmn = bnx2x_init_hw_common,
12261 .init_hw_port = bnx2x_init_hw_port,
12262 .init_hw_func = bnx2x_init_hw_func,
12263
12264 .reset_hw_cmn = bnx2x_reset_common,
12265 .reset_hw_port = bnx2x_reset_port,
12266 .reset_hw_func = bnx2x_reset_func,
12267
12268 .gunzip_init = bnx2x_gunzip_init,
12269 .gunzip_end = bnx2x_gunzip_end,
12270
12271 .init_fw = bnx2x_init_firmware,
12272 .release_fw = bnx2x_release_firmware,
12273};
12274
12275void bnx2x__init_func_obj(struct bnx2x *bp)
12276{
12277 /* Prepare DMAE related driver resources */
12278 bnx2x_setup_dmae(bp);
12279
12280 bnx2x_init_func_obj(bp, &bp->func_obj,
12281 bnx2x_sp(bp, func_rdata),
12282 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000012283 bnx2x_sp(bp, func_afex_rdata),
12284 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012285 &bnx2x_func_sp_drv);
12286}
12287
12288/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012289static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012290{
Merav Sicron37ae41a2012-06-19 07:48:27 +000012291 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012292
Ariel Elior290ca2b2013-01-01 05:22:31 +000012293 if (IS_SRIOV(bp))
12294 cid_count += BNX2X_VF_CIDS;
12295
Merav Sicron55c11942012-11-07 00:45:48 +000012296 if (CNIC_SUPPORT(bp))
12297 cid_count += CNIC_CID_MAX;
Ariel Elior290ca2b2013-01-01 05:22:31 +000012298
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012299 return roundup(cid_count, QM_CID_ROUND);
12300}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012302/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000012303 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012304 *
12305 * @dev: pci device
12306 *
12307 */
Merav Sicron55c11942012-11-07 00:45:48 +000012308static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev,
Ariel Elior1ab44342013-01-01 05:22:23 +000012309 int cnic_cnt, bool is_vf)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012310{
Ariel Elior1ab44342013-01-01 05:22:23 +000012311 int pos, index;
12312 u16 control = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012313
12314 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012315
Ariel Elior6383c0b2011-07-14 08:31:57 +000012316 /*
12317 * If MSI-X is not supported - return number of SBs needed to support
12318 * one fast path queue: one FP queue + SB for CNIC
12319 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012320 if (!pos) {
12321 dev_info(&pdev->dev, "no msix capability found\n");
Merav Sicron55c11942012-11-07 00:45:48 +000012322 return 1 + cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012323 }
12324 dev_info(&pdev->dev, "msix capability found\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +000012325
12326 /*
12327 * The value in the PCI configuration space is the index of the last
12328 * entry, namely one less than the actual size of the table, which is
12329 * exactly what we want to return from this function: number of all SBs
12330 * without the default SB.
Ariel Elior1ab44342013-01-01 05:22:23 +000012331 * For VFs there is no default SB, then we return (index+1).
Ariel Elior6383c0b2011-07-14 08:31:57 +000012332 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012333 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior1ab44342013-01-01 05:22:23 +000012334
12335 index = control & PCI_MSIX_FLAGS_QSIZE;
12336
12337 return is_vf ? index + 1 : index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012338}
12339
Ariel Elior1ab44342013-01-01 05:22:23 +000012340static int set_max_cos_est(int chip_id)
12341{
12342 switch (chip_id) {
12343 case BCM57710:
12344 case BCM57711:
12345 case BCM57711E:
12346 return BNX2X_MULTI_TX_COS_E1X;
12347 case BCM57712:
12348 case BCM57712_MF:
12349 case BCM57712_VF:
12350 return BNX2X_MULTI_TX_COS_E2_E3A0;
12351 case BCM57800:
12352 case BCM57800_MF:
12353 case BCM57800_VF:
12354 case BCM57810:
12355 case BCM57810_MF:
12356 case BCM57840_4_10:
12357 case BCM57840_2_20:
12358 case BCM57840_O:
12359 case BCM57840_MFO:
12360 case BCM57810_VF:
12361 case BCM57840_MF:
12362 case BCM57840_VF:
12363 case BCM57811:
12364 case BCM57811_MF:
12365 case BCM57811_VF:
12366 return BNX2X_MULTI_TX_COS_E3B0;
12367 return 1;
12368 default:
12369 pr_err("Unknown board_type (%d), aborting\n", chip_id);
12370 return -ENODEV;
12371 }
12372}
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012373
Ariel Elior1ab44342013-01-01 05:22:23 +000012374static int set_is_vf(int chip_id)
12375{
12376 switch (chip_id) {
12377 case BCM57712_VF:
12378 case BCM57800_VF:
12379 case BCM57810_VF:
12380 case BCM57840_VF:
12381 case BCM57811_VF:
12382 return true;
12383 default:
12384 return false;
12385 }
12386}
12387
12388struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
12389
12390static int bnx2x_init_one(struct pci_dev *pdev,
12391 const struct pci_device_id *ent)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012392{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012393 struct net_device *dev = NULL;
12394 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012395 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012396 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000012397 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior1ab44342013-01-01 05:22:23 +000012398 int max_cos_est;
12399 bool is_vf;
Merav Sicron55c11942012-11-07 00:45:48 +000012400 int cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012401
12402 /* An estimated maximum supported CoS number according to the chip
Ariel Elior6383c0b2011-07-14 08:31:57 +000012403 * version.
12404 * We will try to roughly estimate the maximum number of CoSes this chip
12405 * may support in order to minimize the memory allocated for Tx
12406 * netdev_queue's. This number will be accurately calculated during the
12407 * initialization of bp->max_cos based on the chip versions AND chip
12408 * revision in the bnx2x_init_bp().
12409 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012410 max_cos_est = set_max_cos_est(ent->driver_data);
12411 if (max_cos_est < 0)
12412 return max_cos_est;
12413 is_vf = set_is_vf(ent->driver_data);
12414 cnic_cnt = is_vf ? 0 : 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012415
Ariel Elior1ab44342013-01-01 05:22:23 +000012416 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt, is_vf);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012417
12418 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Ariel Elior1ab44342013-01-01 05:22:23 +000012419 rss_count = is_vf ? 1 : max_non_def_sbs - cnic_cnt;
12420
12421 if (rss_count < 1)
12422 return -EINVAL;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012423
12424 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000012425 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012426
Ariel Elior1ab44342013-01-01 05:22:23 +000012427 /* Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000012428 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000012429 */
Merav Sicron55c11942012-11-07 00:45:48 +000012430 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012431
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012432 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012433 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000012434 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012435 return -ENOMEM;
12436
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012437 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012438
Ariel Elior1ab44342013-01-01 05:22:23 +000012439 bp->flags = 0;
12440 if (is_vf)
12441 bp->flags |= IS_VF_FLAG;
12442
Ariel Elior6383c0b2011-07-14 08:31:57 +000012443 bp->igu_sb_cnt = max_non_def_sbs;
Ariel Elior1ab44342013-01-01 05:22:23 +000012444 bp->igu_base_addr = IS_VF(bp) ? PXP_VF_ADDR_IGU_START : BAR_IGU_INTMEM;
Joe Perches7995c642010-02-17 15:01:52 +000012445 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000012446 bp->cnic_support = cnic_cnt;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012447 bp->cnic_probe = bnx2x_cnic_probe;
Merav Sicron55c11942012-11-07 00:45:48 +000012448
Eilon Greensteindf4770de2009-08-12 08:23:28 +000012449 pci_set_drvdata(pdev, dev);
12450
Ariel Elior1ab44342013-01-01 05:22:23 +000012451 rc = bnx2x_init_dev(bp, pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012452 if (rc < 0) {
12453 free_netdev(dev);
12454 return rc;
12455 }
12456
Ariel Elior1ab44342013-01-01 05:22:23 +000012457 BNX2X_DEV_INFO("This is a %s function\n",
12458 IS_PF(bp) ? "physical" : "virtual");
Merav Sicron55c11942012-11-07 00:45:48 +000012459 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Ariel Elior1ab44342013-01-01 05:22:23 +000012460 BNX2X_DEV_INFO("Max num of status blocks %d\n", max_non_def_sbs);
Merav Sicron60aa0502012-06-19 07:48:29 +000012461 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
Yuval Mintz2de67432013-01-23 03:21:43 +000012462 tx_count, rx_count);
Merav Sicron60aa0502012-06-19 07:48:29 +000012463
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012464 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000012465 if (rc)
12466 goto init_one_exit;
12467
Ariel Elior1ab44342013-01-01 05:22:23 +000012468 /* Map doorbells here as we need the real value of bp->max_cos which
12469 * is initialized in bnx2x_init_bp() to determine the number of
12470 * l2 connections.
Ariel Elior6383c0b2011-07-14 08:31:57 +000012471 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012472 if (IS_VF(bp)) {
Ariel Elior64112802013-01-07 00:50:23 +000012473 bnx2x_vf_map_doorbells(bp);
12474 rc = bnx2x_vf_pci_alloc(bp);
12475 if (rc)
12476 goto init_one_exit;
Ariel Elior1ab44342013-01-01 05:22:23 +000012477 } else {
12478 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
12479 if (doorbell_size > pci_resource_len(pdev, 2)) {
12480 dev_err(&bp->pdev->dev,
12481 "Cannot map doorbells, bar size too small, aborting\n");
12482 rc = -ENOMEM;
12483 goto init_one_exit;
12484 }
12485 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
12486 doorbell_size);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012487 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000012488 if (!bp->doorbells) {
12489 dev_err(&bp->pdev->dev,
12490 "Cannot map doorbell space, aborting\n");
12491 rc = -ENOMEM;
12492 goto init_one_exit;
12493 }
12494
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000012495 if (IS_VF(bp)) {
12496 rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
12497 if (rc)
12498 goto init_one_exit;
12499 }
12500
Ariel Elior290ca2b2013-01-01 05:22:31 +000012501 /* Enable SRIOV if capability found in configuration space.
12502 * Once the generic SR-IOV framework makes it in from the
12503 * pci tree this will be revised, to allow dynamic control
12504 * over the number of VFs. Right now, change the num of vfs
12505 * param below to enable SR-IOV.
12506 */
12507 rc = bnx2x_iov_init_one(bp, int_mode, 0/*num vfs*/);
12508 if (rc)
12509 goto init_one_exit;
12510
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012511 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012512 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Ariel Elior1ab44342013-01-01 05:22:23 +000012513 BNX2X_DEV_INFO("qm_cid_count %d\n", bp->qm_cid_count);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012514
Merav Sicron55c11942012-11-07 00:45:48 +000012515 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000012516 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012517 bp->flags |= NO_FCOE_FLAG;
12518
Dmitry Kravkov477864d2012-10-31 05:46:58 +000012519 /* disable FCOE for 57840 device, until FW supports it */
12520 switch (ent->driver_data) {
12521 case BCM57840_O:
12522 case BCM57840_4_10:
12523 case BCM57840_2_20:
12524 case BCM57840_MFO:
12525 case BCM57840_MF:
12526 bp->flags |= NO_FCOE_FLAG;
12527 }
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012528
12529 /* Set bp->num_queues for MSI-X mode*/
12530 bnx2x_set_num_queues(bp);
12531
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012532 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012533 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012534 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012535 rc = bnx2x_set_int_mode(bp);
12536 if (rc) {
12537 dev_err(&pdev->dev, "Cannot set interrupts\n");
12538 goto init_one_exit;
12539 }
Yuval Mintz04c46732013-01-23 03:21:46 +000012540 BNX2X_DEV_INFO("set interrupts successfully\n");
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012541
Ariel Elior1ab44342013-01-01 05:22:23 +000012542 /* register the net device */
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012543 rc = register_netdev(dev);
12544 if (rc) {
12545 dev_err(&pdev->dev, "Cannot register net device\n");
12546 goto init_one_exit;
12547 }
Ariel Elior1ab44342013-01-01 05:22:23 +000012548 BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012549
Merav Sicron55c11942012-11-07 00:45:48 +000012550
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012551 if (!NO_FCOE(bp)) {
12552 /* Add storage MAC address */
12553 rtnl_lock();
12554 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12555 rtnl_unlock();
12556 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012557
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012558 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Ariel Elior1ab44342013-01-01 05:22:23 +000012559 BNX2X_DEV_INFO("got pcie width %d and speed %d\n",
12560 pcie_width, pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012561
Merav Sicron51c1a582012-03-18 10:33:38 +000012562 BNX2X_DEV_INFO(
12563 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Joe Perches94f05b02011-08-14 12:16:20 +000012564 board_info[ent->driver_data].name,
12565 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
12566 pcie_width,
12567 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
12568 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
12569 "5GHz (Gen2)" : "2.5GHz",
12570 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000012571
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012572 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012573
12574init_one_exit:
12575 if (bp->regview)
12576 iounmap(bp->regview);
12577
Ariel Elior1ab44342013-01-01 05:22:23 +000012578 if (IS_PF(bp) && bp->doorbells)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012579 iounmap(bp->doorbells);
12580
12581 free_netdev(dev);
12582
12583 if (atomic_read(&pdev->enable_cnt) == 1)
12584 pci_release_regions(pdev);
12585
12586 pci_disable_device(pdev);
12587 pci_set_drvdata(pdev, NULL);
12588
12589 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012590}
12591
Bill Pemberton0329aba2012-12-03 09:24:24 -050012592static void bnx2x_remove_one(struct pci_dev *pdev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012593{
12594 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080012595 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012596
Eliezer Tamir228241e2008-02-28 11:56:57 -080012597 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012598 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080012599 return;
12600 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080012601 bp = netdev_priv(dev);
12602
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012603 /* Delete storage MAC address */
12604 if (!NO_FCOE(bp)) {
12605 rtnl_lock();
12606 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12607 rtnl_unlock();
12608 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012609
Shmulik Ravid98507672011-02-28 12:19:55 -080012610#ifdef BCM_DCBNL
12611 /* Delete app tlvs from dcbnl */
12612 bnx2x_dcbnl_update_applist(bp, true);
12613#endif
12614
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012615 unregister_netdev(dev);
12616
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012617 /* Power on: we can't let PCI layer write to us while we are in D3 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012618 if (IS_PF(bp))
12619 bnx2x_set_power_state(bp, PCI_D0);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012620
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012621 /* Disable MSI/MSI-X */
12622 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012623
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012624 /* Power off */
Ariel Elior1ab44342013-01-01 05:22:23 +000012625 if (IS_PF(bp))
12626 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012627
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012628 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012629 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Ariel Elior290ca2b2013-01-01 05:22:31 +000012630
12631 bnx2x_iov_remove_one(bp);
12632
Ariel Elior4513f922013-01-01 05:22:25 +000012633 /* send message via vfpf channel to release the resources of this vf */
12634 if (IS_VF(bp))
12635 bnx2x_vfpf_release(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012636
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012637 if (bp->regview)
12638 iounmap(bp->regview);
12639
Ariel Elior1ab44342013-01-01 05:22:23 +000012640 /* for vf doorbells are part of the regview and were unmapped along with
12641 * it. FW is only loaded by PF.
12642 */
12643 if (IS_PF(bp)) {
12644 if (bp->doorbells)
12645 iounmap(bp->doorbells);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012646
Ariel Elior1ab44342013-01-01 05:22:23 +000012647 bnx2x_release_firmware(bp);
12648 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012649 bnx2x_free_mem_bp(bp);
12650
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012651 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012652
12653 if (atomic_read(&pdev->enable_cnt) == 1)
12654 pci_release_regions(pdev);
12655
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012656 pci_disable_device(pdev);
12657 pci_set_drvdata(pdev, NULL);
12658}
12659
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012660static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12661{
12662 int i;
12663
12664 bp->state = BNX2X_STATE_ERROR;
12665
12666 bp->rx_mode = BNX2X_RX_MODE_NONE;
12667
Merav Sicron55c11942012-11-07 00:45:48 +000012668 if (CNIC_LOADED(bp))
12669 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12670
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012671 /* Stop Tx */
12672 bnx2x_tx_disable(bp);
12673
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012674 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012675 /* Delete all NAPI objects */
12676 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000012677 if (CNIC_LOADED(bp))
12678 bnx2x_del_all_napi_cnic(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012679
12680 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012681
12682 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012683
12684 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012685 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012686
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012687 /* Free SKBs, SGEs, TPA pool and driver internals */
12688 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012689
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012690 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012691 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012692
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012693 bnx2x_free_mem(bp);
12694
12695 bp->state = BNX2X_STATE_CLOSED;
12696
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012697 netif_carrier_off(bp->dev);
12698
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012699 return 0;
12700}
12701
12702static void bnx2x_eeh_recover(struct bnx2x *bp)
12703{
12704 u32 val;
12705
12706 mutex_init(&bp->port.phy_mutex);
12707
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012708
12709 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12710 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12711 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12712 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012713}
12714
Wendy Xiong493adb12008-06-23 20:36:22 -070012715/**
12716 * bnx2x_io_error_detected - called when PCI error is detected
12717 * @pdev: Pointer to PCI device
12718 * @state: The current pci connection state
12719 *
12720 * This function is called after a PCI bus error affecting
12721 * this device has been detected.
12722 */
12723static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12724 pci_channel_state_t state)
12725{
12726 struct net_device *dev = pci_get_drvdata(pdev);
12727 struct bnx2x *bp = netdev_priv(dev);
12728
12729 rtnl_lock();
12730
12731 netif_device_detach(dev);
12732
Dean Nelson07ce50e42009-07-31 09:13:25 +000012733 if (state == pci_channel_io_perm_failure) {
12734 rtnl_unlock();
12735 return PCI_ERS_RESULT_DISCONNECT;
12736 }
12737
Wendy Xiong493adb12008-06-23 20:36:22 -070012738 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012739 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012740
12741 pci_disable_device(pdev);
12742
12743 rtnl_unlock();
12744
12745 /* Request a slot reset */
12746 return PCI_ERS_RESULT_NEED_RESET;
12747}
12748
12749/**
12750 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12751 * @pdev: Pointer to PCI device
12752 *
12753 * Restart the card from scratch, as if from a cold-boot.
12754 */
12755static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12756{
12757 struct net_device *dev = pci_get_drvdata(pdev);
12758 struct bnx2x *bp = netdev_priv(dev);
12759
12760 rtnl_lock();
12761
12762 if (pci_enable_device(pdev)) {
12763 dev_err(&pdev->dev,
12764 "Cannot re-enable PCI device after reset\n");
12765 rtnl_unlock();
12766 return PCI_ERS_RESULT_DISCONNECT;
12767 }
12768
12769 pci_set_master(pdev);
12770 pci_restore_state(pdev);
12771
12772 if (netif_running(dev))
12773 bnx2x_set_power_state(bp, PCI_D0);
12774
12775 rtnl_unlock();
12776
12777 return PCI_ERS_RESULT_RECOVERED;
12778}
12779
12780/**
12781 * bnx2x_io_resume - called when traffic can start flowing again
12782 * @pdev: Pointer to PCI device
12783 *
12784 * This callback is called when the error recovery driver tells us that
12785 * its OK to resume normal operation.
12786 */
12787static void bnx2x_io_resume(struct pci_dev *pdev)
12788{
12789 struct net_device *dev = pci_get_drvdata(pdev);
12790 struct bnx2x *bp = netdev_priv(dev);
12791
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012792 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012793 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012794 return;
12795 }
12796
Wendy Xiong493adb12008-06-23 20:36:22 -070012797 rtnl_lock();
12798
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012799 bnx2x_eeh_recover(bp);
12800
Wendy Xiong493adb12008-06-23 20:36:22 -070012801 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012802 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012803
12804 netif_device_attach(dev);
12805
12806 rtnl_unlock();
12807}
12808
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070012809static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012810 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012811 .slot_reset = bnx2x_io_slot_reset,
12812 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012813};
12814
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012815static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012816 .name = DRV_MODULE_NAME,
12817 .id_table = bnx2x_pci_tbl,
12818 .probe = bnx2x_init_one,
Bill Pemberton0329aba2012-12-03 09:24:24 -050012819 .remove = bnx2x_remove_one,
Wendy Xiong493adb12008-06-23 20:36:22 -070012820 .suspend = bnx2x_suspend,
12821 .resume = bnx2x_resume,
12822 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012823};
12824
12825static int __init bnx2x_init(void)
12826{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012827 int ret;
12828
Joe Perches7995c642010-02-17 15:01:52 +000012829 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012830
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012831 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12832 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012833 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012834 return -ENOMEM;
12835 }
12836
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012837 ret = pci_register_driver(&bnx2x_pci_driver);
12838 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012839 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012840 destroy_workqueue(bnx2x_wq);
12841 }
12842 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012843}
12844
12845static void __exit bnx2x_cleanup(void)
12846{
Yuval Mintz452427b2012-03-26 20:47:07 +000012847 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012848 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012849
12850 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012851
12852 /* Free globablly allocated resources */
12853 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12854 struct bnx2x_prev_path_list *tmp =
12855 list_entry(pos, struct bnx2x_prev_path_list, list);
12856 list_del(pos);
12857 kfree(tmp);
12858 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012859}
12860
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012861void bnx2x_notify_link_changed(struct bnx2x *bp)
12862{
12863 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12864}
12865
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012866module_init(bnx2x_init);
12867module_exit(bnx2x_cleanup);
12868
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012869/**
12870 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12871 *
12872 * @bp: driver handle
12873 * @set: set or clear the CAM entry
12874 *
12875 * This function will wait until the ramdord completion returns.
12876 * Return 0 if success, -ENODEV if ramrod doesn't return.
12877 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012878static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012879{
12880 unsigned long ramrod_flags = 0;
12881
12882 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12883 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12884 &bp->iscsi_l2_mac_obj, true,
12885 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12886}
Michael Chan993ac7b2009-10-10 13:46:56 +000012887
12888/* count denotes the number of new completions we have seen */
12889static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12890{
12891 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012892 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012893
12894#ifdef BNX2X_STOP_ON_ERROR
12895 if (unlikely(bp->panic))
12896 return;
12897#endif
12898
12899 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012900 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012901 bp->cnic_spq_pending -= count;
12902
Michael Chan993ac7b2009-10-10 13:46:56 +000012903
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012904 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12905 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12906 & SPE_HDR_CONN_TYPE) >>
12907 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012908 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12909 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012910
12911 /* Set validation for iSCSI L2 client before sending SETUP
12912 * ramrod
12913 */
12914 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012915 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012916 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012917 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012918 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012919 (cxt_index * ILT_PAGE_CIDS);
12920 bnx2x_set_ctx_validation(bp,
12921 &bp->context[cxt_index].
12922 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012923 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012924 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012925 }
12926
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012927 /*
12928 * There may be not more than 8 L2, not more than 8 L5 SPEs
12929 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012930 * COMMON ramrods is not more than the EQ and SPQ can
12931 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012932 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012933 if (type == ETH_CONNECTION_TYPE) {
12934 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012935 break;
12936 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012937 atomic_dec(&bp->cq_spq_left);
12938 } else if (type == NONE_CONNECTION_TYPE) {
12939 if (!atomic_read(&bp->eq_spq_left))
12940 break;
12941 else
12942 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012943 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12944 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012945 if (bp->cnic_spq_pending >=
12946 bp->cnic_eth_dev.max_kwqe_pending)
12947 break;
12948 else
12949 bp->cnic_spq_pending++;
12950 } else {
12951 BNX2X_ERR("Unknown SPE type: %d\n", type);
12952 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012953 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012954 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012955
12956 spe = bnx2x_sp_get_next(bp);
12957 *spe = *bp->cnic_kwq_cons;
12958
Merav Sicron51c1a582012-03-18 10:33:38 +000012959 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012960 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12961
12962 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12963 bp->cnic_kwq_cons = bp->cnic_kwq;
12964 else
12965 bp->cnic_kwq_cons++;
12966 }
12967 bnx2x_sp_prod_update(bp);
12968 spin_unlock_bh(&bp->spq_lock);
12969}
12970
12971static int bnx2x_cnic_sp_queue(struct net_device *dev,
12972 struct kwqe_16 *kwqes[], u32 count)
12973{
12974 struct bnx2x *bp = netdev_priv(dev);
12975 int i;
12976
12977#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012978 if (unlikely(bp->panic)) {
12979 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012980 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012981 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012982#endif
12983
Ariel Elior95c6c6162012-01-26 06:01:52 +000012984 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12985 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012986 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012987 return -EAGAIN;
12988 }
12989
Michael Chan993ac7b2009-10-10 13:46:56 +000012990 spin_lock_bh(&bp->spq_lock);
12991
12992 for (i = 0; i < count; i++) {
12993 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12994
12995 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12996 break;
12997
12998 *bp->cnic_kwq_prod = *spe;
12999
13000 bp->cnic_kwq_pending++;
13001
Merav Sicron51c1a582012-03-18 10:33:38 +000013002 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000013003 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013004 spe->data.update_data_addr.hi,
13005 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000013006 bp->cnic_kwq_pending);
13007
13008 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
13009 bp->cnic_kwq_prod = bp->cnic_kwq;
13010 else
13011 bp->cnic_kwq_prod++;
13012 }
13013
13014 spin_unlock_bh(&bp->spq_lock);
13015
13016 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
13017 bnx2x_cnic_sp_post(bp, 0);
13018
13019 return i;
13020}
13021
13022static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
13023{
13024 struct cnic_ops *c_ops;
13025 int rc = 0;
13026
13027 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000013028 c_ops = rcu_dereference_protected(bp->cnic_ops,
13029 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000013030 if (c_ops)
13031 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
13032 mutex_unlock(&bp->cnic_mutex);
13033
13034 return rc;
13035}
13036
13037static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
13038{
13039 struct cnic_ops *c_ops;
13040 int rc = 0;
13041
13042 rcu_read_lock();
13043 c_ops = rcu_dereference(bp->cnic_ops);
13044 if (c_ops)
13045 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
13046 rcu_read_unlock();
13047
13048 return rc;
13049}
13050
13051/*
13052 * for commands that have no data
13053 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000013054int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000013055{
13056 struct cnic_ctl_info ctl = {0};
13057
13058 ctl.cmd = cmd;
13059
13060 return bnx2x_cnic_ctl_send(bp, &ctl);
13061}
13062
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013063static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000013064{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013065 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000013066
13067 /* first we tell CNIC and only then we count this as a completion */
13068 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
13069 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013070 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000013071
13072 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013073 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000013074}
13075
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013076
13077/* Called with netif_addr_lock_bh() taken.
13078 * Sets an rx_mode config for an iSCSI ETH client.
13079 * Doesn't block.
13080 * Completion should be checked outside.
13081 */
13082static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
13083{
13084 unsigned long accept_flags = 0, ramrod_flags = 0;
13085 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
13086 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
13087
13088 if (start) {
13089 /* Start accepting on iSCSI L2 ring. Accept all multicasts
13090 * because it's the only way for UIO Queue to accept
13091 * multicasts (in non-promiscuous mode only one Queue per
13092 * function will receive multicast packets (leading in our
13093 * case).
13094 */
13095 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
13096 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
13097 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
13098 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
13099
13100 /* Clear STOP_PENDING bit if START is requested */
13101 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
13102
13103 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
13104 } else
13105 /* Clear START_PENDING bit if STOP is requested */
13106 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
13107
13108 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
13109 set_bit(sched_state, &bp->sp_state);
13110 else {
13111 __set_bit(RAMROD_RX, &ramrod_flags);
13112 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
13113 ramrod_flags);
13114 }
13115}
13116
13117
Michael Chan993ac7b2009-10-10 13:46:56 +000013118static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
13119{
13120 struct bnx2x *bp = netdev_priv(dev);
13121 int rc = 0;
13122
13123 switch (ctl->cmd) {
13124 case DRV_CTL_CTXTBL_WR_CMD: {
13125 u32 index = ctl->data.io.offset;
13126 dma_addr_t addr = ctl->data.io.dma_addr;
13127
13128 bnx2x_ilt_wr(bp, index, addr);
13129 break;
13130 }
13131
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013132 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
13133 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000013134
13135 bnx2x_cnic_sp_post(bp, count);
13136 break;
13137 }
13138
13139 /* rtnl_lock is held. */
13140 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013141 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13142 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000013143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013144 /* Configure the iSCSI classification object */
13145 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
13146 cp->iscsi_l2_client_id,
13147 cp->iscsi_l2_cid, BP_FUNC(bp),
13148 bnx2x_sp(bp, mac_rdata),
13149 bnx2x_sp_mapping(bp, mac_rdata),
13150 BNX2X_FILTER_MAC_PENDING,
13151 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
13152 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013153
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013154 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013155 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
13156 if (rc)
13157 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013158
13159 mmiowb();
13160 barrier();
13161
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013162 /* Start accepting on iSCSI L2 ring */
13163
13164 netif_addr_lock_bh(dev);
13165 bnx2x_set_iscsi_eth_rx_mode(bp, true);
13166 netif_addr_unlock_bh(dev);
13167
13168 /* bits to wait on */
13169 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
13170 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
13171
13172 if (!bnx2x_wait_sp_comp(bp, sp_bits))
13173 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013174
Michael Chan993ac7b2009-10-10 13:46:56 +000013175 break;
13176 }
13177
13178 /* rtnl_lock is held. */
13179 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013180 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000013181
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013182 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013183 netif_addr_lock_bh(dev);
13184 bnx2x_set_iscsi_eth_rx_mode(bp, false);
13185 netif_addr_unlock_bh(dev);
13186
13187 /* bits to wait on */
13188 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
13189 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
13190
13191 if (!bnx2x_wait_sp_comp(bp, sp_bits))
13192 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013193
13194 mmiowb();
13195 barrier();
13196
13197 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013198 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
13199 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000013200 break;
13201 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013202 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
13203 int count = ctl->data.credit.credit_count;
13204
13205 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080013206 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013207 smp_mb__after_atomic_inc();
13208 break;
13209 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000013210 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000013211 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000013212
13213 if (CHIP_IS_E3(bp)) {
13214 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000013215 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
13216 int path = BP_PATH(bp);
13217 int port = BP_PORT(bp);
13218 int i;
13219 u32 scratch_offset;
13220 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000013221
Barak Witkowski2e499d32012-06-26 01:31:19 +000013222 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000013223 if (ulp_type == CNIC_ULP_ISCSI)
13224 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13225 else if (ulp_type == CNIC_ULP_FCOE)
13226 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13227 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000013228
13229 if ((ulp_type != CNIC_ULP_FCOE) ||
13230 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
13231 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
13232 break;
13233
13234 /* if reached here - should write fcoe capabilities */
13235 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
13236 if (!scratch_offset)
13237 break;
13238 scratch_offset += offsetof(struct glob_ncsi_oem_data,
13239 fcoe_features[path][port]);
13240 host_addr = (u32 *) &(ctl->data.register_data.
13241 fcoe_features);
13242 for (i = 0; i < sizeof(struct fcoe_capabilities);
13243 i += 4)
13244 REG_WR(bp, scratch_offset + i,
13245 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000013246 }
13247 break;
13248 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000013249
Barak Witkowski1d187b32011-12-05 22:41:50 +000013250 case DRV_CTL_ULP_UNREGISTER_CMD: {
13251 int ulp_type = ctl->data.ulp_type;
13252
13253 if (CHIP_IS_E3(bp)) {
13254 int idx = BP_FW_MB_IDX(bp);
13255 u32 cap;
13256
13257 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
13258 if (ulp_type == CNIC_ULP_ISCSI)
13259 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13260 else if (ulp_type == CNIC_ULP_FCOE)
13261 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13262 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
13263 }
13264 break;
13265 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013266
13267 default:
13268 BNX2X_ERR("unknown command %x\n", ctl->cmd);
13269 rc = -EINVAL;
13270 }
13271
13272 return rc;
13273}
13274
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000013275void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000013276{
13277 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13278
13279 if (bp->flags & USING_MSIX_FLAG) {
13280 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
13281 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
13282 cp->irq_arr[0].vector = bp->msix_table[1].vector;
13283 } else {
13284 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
13285 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
13286 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013287 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013288 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
13289 else
13290 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
13291
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013292 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
13293 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013294 cp->irq_arr[1].status_blk = bp->def_status_blk;
13295 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013296 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000013297
13298 cp->num_irq = 2;
13299}
13300
Merav Sicron37ae41a2012-06-19 07:48:27 +000013301void bnx2x_setup_cnic_info(struct bnx2x *bp)
13302{
13303 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13304
13305
13306 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13307 bnx2x_cid_ilt_lines(bp);
13308 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
13309 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
13310 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
13311
13312 if (NO_ISCSI_OOO(bp))
13313 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13314}
13315
Michael Chan993ac7b2009-10-10 13:46:56 +000013316static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
13317 void *data)
13318{
13319 struct bnx2x *bp = netdev_priv(dev);
13320 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000013321 int rc;
13322
13323 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013324
Merav Sicron51c1a582012-03-18 10:33:38 +000013325 if (ops == NULL) {
13326 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013327 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000013328 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013329
Merav Sicron55c11942012-11-07 00:45:48 +000013330 if (!CNIC_SUPPORT(bp)) {
13331 BNX2X_ERR("Can't register CNIC when not supported\n");
13332 return -EOPNOTSUPP;
13333 }
13334
13335 if (!CNIC_LOADED(bp)) {
13336 rc = bnx2x_load_cnic(bp);
13337 if (rc) {
13338 BNX2X_ERR("CNIC-related load failed\n");
13339 return rc;
13340 }
13341
13342 }
13343
13344 bp->cnic_enabled = true;
13345
Michael Chan993ac7b2009-10-10 13:46:56 +000013346 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
13347 if (!bp->cnic_kwq)
13348 return -ENOMEM;
13349
13350 bp->cnic_kwq_cons = bp->cnic_kwq;
13351 bp->cnic_kwq_prod = bp->cnic_kwq;
13352 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
13353
13354 bp->cnic_spq_pending = 0;
13355 bp->cnic_kwq_pending = 0;
13356
13357 bp->cnic_data = data;
13358
13359 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013360 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013361 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000013362
Michael Chan993ac7b2009-10-10 13:46:56 +000013363 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013364
Michael Chan993ac7b2009-10-10 13:46:56 +000013365 rcu_assign_pointer(bp->cnic_ops, ops);
13366
13367 return 0;
13368}
13369
13370static int bnx2x_unregister_cnic(struct net_device *dev)
13371{
13372 struct bnx2x *bp = netdev_priv(dev);
13373 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13374
13375 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000013376 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000013377 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000013378 mutex_unlock(&bp->cnic_mutex);
13379 synchronize_rcu();
13380 kfree(bp->cnic_kwq);
13381 bp->cnic_kwq = NULL;
13382
13383 return 0;
13384}
13385
13386struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
13387{
13388 struct bnx2x *bp = netdev_priv(dev);
13389 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13390
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013391 /* If both iSCSI and FCoE are disabled - return NULL in
13392 * order to indicate CNIC that it should not try to work
13393 * with this device.
13394 */
13395 if (NO_ISCSI(bp) && NO_FCOE(bp))
13396 return NULL;
13397
Michael Chan993ac7b2009-10-10 13:46:56 +000013398 cp->drv_owner = THIS_MODULE;
13399 cp->chip_id = CHIP_ID(bp);
13400 cp->pdev = bp->pdev;
13401 cp->io_base = bp->regview;
13402 cp->io_base2 = bp->doorbells;
13403 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013404 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013405 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13406 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013407 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013408 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000013409 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
13410 cp->drv_ctl = bnx2x_drv_ctl;
13411 cp->drv_register_cnic = bnx2x_register_cnic;
13412 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000013413 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013414 cp->iscsi_l2_client_id =
13415 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000013416 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013417
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013418 if (NO_ISCSI_OOO(bp))
13419 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13420
13421 if (NO_ISCSI(bp))
13422 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
13423
13424 if (NO_FCOE(bp))
13425 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
13426
Merav Sicron51c1a582012-03-18 10:33:38 +000013427 BNX2X_DEV_INFO(
13428 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013429 cp->ctx_blk_size,
13430 cp->ctx_tbl_offset,
13431 cp->ctx_tbl_len,
13432 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000013433 return cp;
13434}
Michael Chan993ac7b2009-10-10 13:46:56 +000013435
Ariel Elior64112802013-01-07 00:50:23 +000013436u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013437{
Ariel Elior64112802013-01-07 00:50:23 +000013438 struct bnx2x *bp = fp->bp;
13439 u32 offset = BAR_USTRORM_INTMEM;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013440
Ariel Elior64112802013-01-07 00:50:23 +000013441 if (IS_VF(bp))
13442 return bnx2x_vf_ustorm_prods_offset(bp, fp);
13443 else if (!CHIP_IS_E1x(bp))
13444 offset += USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
13445 else
13446 offset += USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013447
Ariel Elior64112802013-01-07 00:50:23 +000013448 return offset;
13449}
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013450
Ariel Elior64112802013-01-07 00:50:23 +000013451/* called only on E1H or E2.
13452 * When pretending to be PF, the pretend value is the function number 0...7
13453 * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID
13454 * combination
13455 */
13456int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val)
13457{
13458 u32 pretend_reg;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013459
Ariel Elior23826852013-01-09 07:04:35 +000013460 if (CHIP_IS_E1H(bp) && pretend_func_val >= E1H_FUNC_MAX)
Ariel Elior64112802013-01-07 00:50:23 +000013461 return -1;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013462
Ariel Elior64112802013-01-07 00:50:23 +000013463 /* get my own pretend register */
13464 pretend_reg = bnx2x_get_pretend_reg(bp);
13465 REG_WR(bp, pretend_reg, pretend_func_val);
13466 REG_RD(bp, pretend_reg);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013467 return 0;
13468}