blob: 814d0eca9b334ea86c862bc617a46f137f04d475 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Yuval Mintz247fa822013-01-14 05:11:50 +00003 * Copyright (c) 2007-2013 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
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
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000096int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000097module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +000098MODULE_PARM_DESC(num_queues,
99 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000100
Eilon Greenstein19680c42008-08-13 15:47:33 -0700101static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700102module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000103MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000104
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000105int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300107MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000108 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000109
Eilon Greensteina18f5122009-08-12 08:23:26 +0000110static int dropless_fc;
111module_param(dropless_fc, int, 0);
112MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
113
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114static int mrrs = -1;
115module_param(mrrs, int, 0);
116MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
117
Eilon Greenstein9898f862009-02-12 08:38:27 +0000118static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200119module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000120MODULE_PARM_DESC(debug, " Default debug msglevel");
121
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300122struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000123
Barak Witkowski1ef1d452013-01-10 04:53:40 +0000124struct bnx2x_mac_vals {
125 u32 xmac_addr;
126 u32 xmac_val;
127 u32 emac_addr;
128 u32 emac_val;
129 u32 umac_addr;
130 u32 umac_val;
131 u32 bmac_addr;
132 u32 bmac_val[2];
133};
134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135enum bnx2x_board_type {
136 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300137 BCM57711,
138 BCM57711E,
139 BCM57712,
140 BCM57712_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000141 BCM57712_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300142 BCM57800,
143 BCM57800_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000144 BCM57800_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300145 BCM57810,
146 BCM57810_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000147 BCM57810_VF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300148 BCM57840_4_10,
149 BCM57840_2_20,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000150 BCM57840_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000151 BCM57840_VF,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000152 BCM57811,
Ariel Elior1ab44342013-01-01 05:22:23 +0000153 BCM57811_MF,
154 BCM57840_O,
155 BCM57840_MFO,
156 BCM57811_VF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200157};
158
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700159/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800160static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 char *name;
Bill Pemberton0329aba2012-12-03 09:24:24 -0500162} board_info[] = {
Ariel Elior1ab44342013-01-01 05:22:23 +0000163 [BCM57710] = { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
164 [BCM57711] = { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
165 [BCM57711E] = { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
166 [BCM57712] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
167 [BCM57712_MF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
168 [BCM57712_VF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Virtual Function" },
169 [BCM57800] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
170 [BCM57800_MF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
171 [BCM57800_VF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Virtual Function" },
172 [BCM57810] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
173 [BCM57810_MF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
174 [BCM57810_VF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Virtual Function" },
175 [BCM57840_4_10] = { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
176 [BCM57840_2_20] = { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
177 [BCM57840_MF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
178 [BCM57840_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" },
179 [BCM57811] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet" },
180 [BCM57811_MF] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function" },
181 [BCM57840_O] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
182 [BCM57840_MFO] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
183 [BCM57811_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200184};
185
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300186#ifndef PCI_DEVICE_ID_NX2_57710
187#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57711
190#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57711E
193#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57712
196#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
197#endif
198#ifndef PCI_DEVICE_ID_NX2_57712_MF
199#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
200#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000201#ifndef PCI_DEVICE_ID_NX2_57712_VF
202#define PCI_DEVICE_ID_NX2_57712_VF CHIP_NUM_57712_VF
203#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300204#ifndef PCI_DEVICE_ID_NX2_57800
205#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57800_MF
208#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
209#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000210#ifndef PCI_DEVICE_ID_NX2_57800_VF
211#define PCI_DEVICE_ID_NX2_57800_VF CHIP_NUM_57800_VF
212#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300213#ifndef PCI_DEVICE_ID_NX2_57810
214#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57810_MF
217#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
218#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300219#ifndef PCI_DEVICE_ID_NX2_57840_O
220#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
221#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000222#ifndef PCI_DEVICE_ID_NX2_57810_VF
223#define PCI_DEVICE_ID_NX2_57810_VF CHIP_NUM_57810_VF
224#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300225#ifndef PCI_DEVICE_ID_NX2_57840_4_10
226#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
227#endif
228#ifndef PCI_DEVICE_ID_NX2_57840_2_20
229#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
230#endif
231#ifndef PCI_DEVICE_ID_NX2_57840_MFO
232#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300233#endif
234#ifndef PCI_DEVICE_ID_NX2_57840_MF
235#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
236#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000237#ifndef PCI_DEVICE_ID_NX2_57840_VF
238#define PCI_DEVICE_ID_NX2_57840_VF CHIP_NUM_57840_VF
239#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000240#ifndef PCI_DEVICE_ID_NX2_57811
241#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
242#endif
243#ifndef PCI_DEVICE_ID_NX2_57811_MF
244#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
245#endif
Ariel Elior8395be52013-01-01 05:22:44 +0000246#ifndef PCI_DEVICE_ID_NX2_57811_VF
247#define PCI_DEVICE_ID_NX2_57811_VF CHIP_NUM_57811_VF
248#endif
249
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000250static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000251 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
252 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
253 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000254 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300255 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000256 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_VF), BCM57712_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300257 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
258 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000259 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_VF), BCM57800_VF },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300260 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
261 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300262 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
263 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
264 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
Ariel Elior8395be52013-01-01 05:22:44 +0000265 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_VF), BCM57810_VF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300266 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000268 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_VF), BCM57840_VF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000269 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
270 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Ariel Elior8395be52013-01-01 05:22:44 +0000271 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_VF), BCM57811_VF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200272 { 0 }
273};
274
275MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
276
Yuval Mintz452427b2012-03-26 20:47:07 +0000277/* Global resources for unloading a previously loaded device */
278#define BNX2X_PREV_WAIT_NEEDED 1
279static DEFINE_SEMAPHORE(bnx2x_prev_sem);
280static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200281/****************************************************************************
282* General service functions
283****************************************************************************/
284
Eric Dumazet1191cb82012-04-27 21:39:21 +0000285static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300286 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000287{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300288 REG_WR(bp, addr, U64_LO(mapping));
289 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000290}
291
Eric Dumazet1191cb82012-04-27 21:39:21 +0000292static void storm_memset_spq_addr(struct bnx2x *bp,
293 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300294{
295 u32 addr = XSEM_REG_FAST_MEMORY +
296 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
297
298 __storm_memset_dma_mapping(bp, addr, mapping);
299}
300
Eric Dumazet1191cb82012-04-27 21:39:21 +0000301static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
302 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300303{
304 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
305 pf_id);
306 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
307 pf_id);
308 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
309 pf_id);
310 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
311 pf_id);
312}
313
Eric Dumazet1191cb82012-04-27 21:39:21 +0000314static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
315 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300316{
317 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
318 enable);
319 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
320 enable);
321 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
322 enable);
323 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
324 enable);
325}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000326
Eric Dumazet1191cb82012-04-27 21:39:21 +0000327static void storm_memset_eq_data(struct bnx2x *bp,
328 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000329 u16 pfid)
330{
331 size_t size = sizeof(struct event_ring_data);
332
333 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
334
335 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
336}
337
Eric Dumazet1191cb82012-04-27 21:39:21 +0000338static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
339 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000340{
341 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
342 REG_WR16(bp, addr, eq_prod);
343}
344
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200345/* used only at init
346 * locking is done by mcp
347 */
stephen hemminger8d962862010-10-21 07:50:56 +0000348static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200349{
350 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
351 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
352 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
353 PCICFG_VENDOR_ID_OFFSET);
354}
355
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200356static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
357{
358 u32 val;
359
360 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
361 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
362 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
363 PCICFG_VENDOR_ID_OFFSET);
364
365 return val;
366}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000368#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
369#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
370#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
371#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
372#define DMAE_DP_DST_NONE "dst_addr [none]"
373
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000374static void bnx2x_dp_dmae(struct bnx2x *bp,
375 struct dmae_command *dmae, int msglvl)
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000376{
377 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000378 int i;
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000379
380 switch (dmae->opcode & DMAE_COMMAND_DST) {
381 case DMAE_CMD_DST_PCI:
382 if (src_type == DMAE_CMD_SRC_PCI)
383 DP(msglvl, "DMAE: opcode 0x%08x\n"
384 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
385 "comp_addr [%x:%08x], comp_val 0x%08x\n",
386 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
387 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
388 dmae->comp_addr_hi, dmae->comp_addr_lo,
389 dmae->comp_val);
390 else
391 DP(msglvl, "DMAE: opcode 0x%08x\n"
392 "src [%08x], len [%d*4], dst [%x:%08x]\n"
393 "comp_addr [%x:%08x], comp_val 0x%08x\n",
394 dmae->opcode, dmae->src_addr_lo >> 2,
395 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
396 dmae->comp_addr_hi, dmae->comp_addr_lo,
397 dmae->comp_val);
398 break;
399 case DMAE_CMD_DST_GRC:
400 if (src_type == DMAE_CMD_SRC_PCI)
401 DP(msglvl, "DMAE: opcode 0x%08x\n"
402 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
403 "comp_addr [%x:%08x], comp_val 0x%08x\n",
404 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
405 dmae->len, dmae->dst_addr_lo >> 2,
406 dmae->comp_addr_hi, dmae->comp_addr_lo,
407 dmae->comp_val);
408 else
409 DP(msglvl, "DMAE: opcode 0x%08x\n"
410 "src [%08x], len [%d*4], dst [%08x]\n"
411 "comp_addr [%x:%08x], comp_val 0x%08x\n",
412 dmae->opcode, dmae->src_addr_lo >> 2,
413 dmae->len, dmae->dst_addr_lo >> 2,
414 dmae->comp_addr_hi, dmae->comp_addr_lo,
415 dmae->comp_val);
416 break;
417 default:
418 if (src_type == DMAE_CMD_SRC_PCI)
419 DP(msglvl, "DMAE: opcode 0x%08x\n"
420 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
421 "comp_addr [%x:%08x] comp_val 0x%08x\n",
422 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
423 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
424 dmae->comp_val);
425 else
426 DP(msglvl, "DMAE: opcode 0x%08x\n"
427 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
428 "comp_addr [%x:%08x] comp_val 0x%08x\n",
429 dmae->opcode, dmae->src_addr_lo >> 2,
430 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
431 dmae->comp_val);
432 break;
433 }
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000434
435 for (i = 0; i < (sizeof(struct dmae_command)/4); i++)
436 DP(msglvl, "DMAE RAW [%02d]: 0x%08x\n",
437 i, *(((u32 *)dmae) + i));
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000438}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200440/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000441void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200442{
443 u32 cmd_offset;
444 int i;
445
446 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
447 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
448 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200449 }
450 REG_WR(bp, dmae_reg_go_c[idx], 1);
451}
452
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000453u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
454{
455 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
456 DMAE_CMD_C_ENABLE);
457}
458
459u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
460{
461 return opcode & ~DMAE_CMD_SRC_RESET;
462}
463
464u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
465 bool with_comp, u8 comp_type)
466{
467 u32 opcode = 0;
468
469 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
470 (dst_type << DMAE_COMMAND_DST_SHIFT));
471
472 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
473
474 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400475 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
476 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000477 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
478
479#ifdef __BIG_ENDIAN
480 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
481#else
482 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
483#endif
484 if (with_comp)
485 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
486 return opcode;
487}
488
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000489void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
stephen hemminger8d962862010-10-21 07:50:56 +0000490 struct dmae_command *dmae,
491 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000492{
493 memset(dmae, 0, sizeof(struct dmae_command));
494
495 /* set the opcode */
496 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
497 true, DMAE_COMP_PCI);
498
499 /* fill in the completion parameters */
500 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
501 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
502 dmae->comp_val = DMAE_COMP_VAL;
503}
504
Ariel Eliorfd1fc792013-01-01 05:22:33 +0000505/* issue a dmae command over the init-channel and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200506int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
507 u32 *comp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000508{
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000509 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000510 int rc = 0;
511
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000512 bnx2x_dp_dmae(bp, dmae, BNX2X_MSG_DMAE);
513
514 /* Lock the dmae channel. Disable BHs to prevent a dead-lock
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300515 * as long as this code is called both from syscall context and
516 * from ndo_set_rx_mode() flow that may be called from BH.
517 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800518 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000519
520 /* reset completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200521 *comp = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000522
523 /* post the command on the channel used for initializations */
524 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
525
526 /* wait for completion */
527 udelay(5);
Ariel Elior32316a42013-10-20 16:51:32 +0200528 while ((*comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000529
Ariel Elior95c6c6162012-01-26 06:01:52 +0000530 if (!cnt ||
531 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
532 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000533 BNX2X_ERR("DMAE timeout!\n");
534 rc = DMAE_TIMEOUT;
535 goto unlock;
536 }
537 cnt--;
538 udelay(50);
539 }
Ariel Elior32316a42013-10-20 16:51:32 +0200540 if (*comp & DMAE_PCI_ERR_FLAG) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000541 BNX2X_ERR("DMAE PCI error!\n");
542 rc = DMAE_PCI_ERROR;
543 }
544
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000545unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800546 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000547 return rc;
548}
549
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700550void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
551 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200552{
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000553 int rc;
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000554 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700555
556 if (!bp->dmae_ready) {
557 u32 *data = bnx2x_sp(bp, wb_data[0]);
558
Ariel Elior127a4252012-01-26 06:01:46 +0000559 if (CHIP_IS_E1(bp))
560 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
561 else
562 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700563 return;
564 }
565
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000566 /* set opcode and fixed command fields */
567 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200568
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000569 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000570 dmae.src_addr_lo = U64_LO(dma_addr);
571 dmae.src_addr_hi = U64_HI(dma_addr);
572 dmae.dst_addr_lo = dst_addr >> 2;
573 dmae.dst_addr_hi = 0;
574 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000576 /* issue the command and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200577 rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000578 if (rc) {
579 BNX2X_ERR("DMAE returned failure %d\n", rc);
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200580#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000581 bnx2x_panic();
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200582#endif
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000583 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200584}
585
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700586void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200587{
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000588 int rc;
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000589 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700590
591 if (!bp->dmae_ready) {
592 u32 *data = bnx2x_sp(bp, wb_data[0]);
593 int i;
594
Merav Sicron51c1a582012-03-18 10:33:38 +0000595 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000596 for (i = 0; i < len32; i++)
597 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000598 else
Ariel Elior127a4252012-01-26 06:01:46 +0000599 for (i = 0; i < len32; i++)
600 data[i] = REG_RD(bp, src_addr + i*4);
601
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700602 return;
603 }
604
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000605 /* set opcode and fixed command fields */
606 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200607
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000608 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000609 dmae.src_addr_lo = src_addr >> 2;
610 dmae.src_addr_hi = 0;
611 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
612 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
613 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200614
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000615 /* issue the command and wait for completion */
Ariel Elior32316a42013-10-20 16:51:32 +0200616 rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000617 if (rc) {
618 BNX2X_ERR("DMAE returned failure %d\n", rc);
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200619#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000620 bnx2x_panic();
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +0200621#endif
Yuval Mintzc957d092013-06-25 08:50:11 +0300622 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200623}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200624
stephen hemminger8d962862010-10-21 07:50:56 +0000625static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
626 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000627{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000628 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000629 int offset = 0;
630
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000631 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000632 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000633 addr + offset, dmae_wr_max);
634 offset += dmae_wr_max * 4;
635 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000636 }
637
638 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
639}
640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200641static int bnx2x_mc_assert(struct bnx2x *bp)
642{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200643 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700644 int i, rc = 0;
645 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700647 /* XSTORM */
648 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
649 XSTORM_ASSERT_LIST_INDEX_OFFSET);
650 if (last_idx)
651 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700653 /* print the asserts */
654 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700656 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
657 XSTORM_ASSERT_LIST_OFFSET(i));
658 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
659 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
660 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
661 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
662 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
663 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700665 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000666 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700667 i, row3, row2, row1, row0);
668 rc++;
669 } else {
670 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671 }
672 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700673
674 /* TSTORM */
675 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
676 TSTORM_ASSERT_LIST_INDEX_OFFSET);
677 if (last_idx)
678 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
679
680 /* print the asserts */
681 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
682
683 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
684 TSTORM_ASSERT_LIST_OFFSET(i));
685 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
686 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
687 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
688 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
689 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
690 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
691
692 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000693 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700694 i, row3, row2, row1, row0);
695 rc++;
696 } else {
697 break;
698 }
699 }
700
701 /* CSTORM */
702 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
703 CSTORM_ASSERT_LIST_INDEX_OFFSET);
704 if (last_idx)
705 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
706
707 /* print the asserts */
708 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
709
710 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
711 CSTORM_ASSERT_LIST_OFFSET(i));
712 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
713 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
714 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
715 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
716 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
717 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
718
719 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000720 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 i, row3, row2, row1, row0);
722 rc++;
723 } else {
724 break;
725 }
726 }
727
728 /* USTORM */
729 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
730 USTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
733
734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
736
737 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
738 USTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
740 USTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
742 USTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
744 USTORM_ASSERT_LIST_OFFSET(i) + 12);
745
746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000747 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748 i, row3, row2, row1, row0);
749 rc++;
750 } else {
751 break;
752 }
753 }
754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200755 return rc;
756}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800757
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200758#define MCPR_TRACE_BUFFER_SIZE (0x800)
759#define SCRATCH_BUFFER_SIZE(bp) \
760 (CHIP_IS_E1(bp) ? 0x10000 : (CHIP_IS_E1H(bp) ? 0x20000 : 0x28000))
761
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000762void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200763{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000764 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200765 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000766 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200767 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000768 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000769 if (BP_NOMCP(bp)) {
770 BNX2X_ERR("NO MCP - can not dump\n");
771 return;
772 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000773 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
774 (bp->common.bc_ver & 0xff0000) >> 16,
775 (bp->common.bc_ver & 0xff00) >> 8,
776 (bp->common.bc_ver & 0xff));
777
778 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
779 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000780 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000781
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000782 if (BP_PATH(bp) == 0)
783 trace_shmem_base = bp->common.shmem_base;
784 else
785 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200786
787 /* sanity */
788 if (trace_shmem_base < MCPR_SCRATCH_BASE(bp) + MCPR_TRACE_BUFFER_SIZE ||
789 trace_shmem_base >= MCPR_SCRATCH_BASE(bp) +
790 SCRATCH_BUFFER_SIZE(bp)) {
791 BNX2X_ERR("Unable to dump trace buffer (mark %x)\n",
792 trace_shmem_base);
793 return;
794 }
795
796 addr = trace_shmem_base - MCPR_TRACE_BUFFER_SIZE;
Dmitry Kravkovde128802012-03-18 10:33:45 +0000797
798 /* validate TRCB signature */
799 mark = REG_RD(bp, addr);
800 if (mark != MFW_TRACE_SIGNATURE) {
801 BNX2X_ERR("Trace buffer signature is missing.");
802 return ;
803 }
804
805 /* read cyclic buffer pointer */
806 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000807 mark = REG_RD(bp, addr);
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200808 mark = MCPR_SCRATCH_BASE(bp) + ((mark + 0x3) & ~0x3) - 0x08000000;
809 if (mark >= trace_shmem_base || mark < addr + 4) {
810 BNX2X_ERR("Mark doesn't fall inside Trace Buffer\n");
811 return;
812 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000813 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200814
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000815 printk("%s", lvl);
Yuval Mintz2de67432013-01-23 03:21:43 +0000816
817 /* dump buffer after the mark */
Yuval Mintz1a6974b2013-10-20 16:51:27 +0200818 for (offset = mark; offset < trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200819 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000820 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200821 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000822 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200823 }
Yuval Mintz2de67432013-01-23 03:21:43 +0000824
825 /* dump buffer before the mark */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000826 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200827 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000828 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200829 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000830 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200831 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000832 printk("%s" "end of fw dump\n", lvl);
833}
834
Eric Dumazet1191cb82012-04-27 21:39:21 +0000835static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000836{
837 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200838}
839
Yuval Mintz823e1d92013-01-14 05:11:47 +0000840static void bnx2x_hc_int_disable(struct bnx2x *bp)
841{
842 int port = BP_PORT(bp);
843 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
844 u32 val = REG_RD(bp, addr);
845
846 /* in E1 we must use only PCI configuration space to disable
Yuval Mintz16a5fd92013-06-02 00:06:18 +0000847 * MSI/MSIX capability
848 * It's forbidden to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
Yuval Mintz823e1d92013-01-14 05:11:47 +0000849 */
850 if (CHIP_IS_E1(bp)) {
851 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
852 * Use mask register to prevent from HC sending interrupts
853 * after we exit the function
854 */
855 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
856
857 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
858 HC_CONFIG_0_REG_INT_LINE_EN_0 |
859 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
860 } else
861 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
862 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
863 HC_CONFIG_0_REG_INT_LINE_EN_0 |
864 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
865
866 DP(NETIF_MSG_IFDOWN,
867 "write %x to HC %d (addr 0x%x)\n",
868 val, port, addr);
869
870 /* flush all outstanding writes */
871 mmiowb();
872
873 REG_WR(bp, addr, val);
874 if (REG_RD(bp, addr) != val)
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000875 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
Yuval Mintz823e1d92013-01-14 05:11:47 +0000876}
877
878static void bnx2x_igu_int_disable(struct bnx2x *bp)
879{
880 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
881
882 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
883 IGU_PF_CONF_INT_LINE_EN |
884 IGU_PF_CONF_ATTN_BIT_EN);
885
886 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
887
888 /* flush all outstanding writes */
889 mmiowb();
890
891 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
892 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
Yuval Mintz6bf07b82013-06-02 00:06:20 +0000893 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
Yuval Mintz823e1d92013-01-14 05:11:47 +0000894}
895
896static void bnx2x_int_disable(struct bnx2x *bp)
897{
898 if (bp->common.int_block == INT_BLOCK_HC)
899 bnx2x_hc_int_disable(bp);
900 else
901 bnx2x_igu_int_disable(bp);
902}
903
904void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200905{
906 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000907 u16 j;
908 struct hc_sp_status_block_data sp_sb_data;
909 int func = BP_FUNC(bp);
910#ifdef BNX2X_STOP_ON_ERROR
911 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000912 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913#endif
Yuval Mintz823e1d92013-01-14 05:11:47 +0000914 if (disable_int)
915 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200916
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700917 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000918 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700919 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
920
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200921 BNX2X_ERR("begin crash dump -----------------\n");
922
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 /* Indices */
924 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000925 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 +0300926 bp->def_idx, bp->def_att_idx, bp->attn_state,
927 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000928 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
929 bp->def_status_blk->atten_status_block.attn_bits,
930 bp->def_status_blk->atten_status_block.attn_bits_ack,
931 bp->def_status_blk->atten_status_block.status_block_id,
932 bp->def_status_blk->atten_status_block.attn_bits_index);
933 BNX2X_ERR(" def (");
934 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
935 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000936 bp->def_status_blk->sp_sb.index_values[i],
937 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000938
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000939 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
940 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
941 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
942 i*sizeof(u32));
943
Joe Perchesf1deab52011-08-14 12:16:21 +0000944 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 +0000945 sp_sb_data.igu_sb_id,
946 sp_sb_data.igu_seg_id,
947 sp_sb_data.p_func.pf_id,
948 sp_sb_data.p_func.vnic_id,
949 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300950 sp_sb_data.p_func.vf_valid,
951 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000952
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000953 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000956 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 struct hc_status_block_data_e1x sb_data_e1x;
958 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300959 CHIP_IS_E1x(bp) ?
960 sb_data_e1x.common.state_machine :
961 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000962 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300963 CHIP_IS_E1x(bp) ?
964 sb_data_e1x.index_data :
965 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000966 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000967 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000968 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000969
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000970 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000971 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 +0000972 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000974 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000975 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 +0000976 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000977 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000978
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000979 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000980 for_each_cos_in_tx_queue(fp, cos)
981 {
Merav Sicron65565882012-06-19 07:48:26 +0000982 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000983 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 +0000984 i, txdata.tx_pkt_prod,
985 txdata.tx_pkt_cons, txdata.tx_bd_prod,
986 txdata.tx_bd_cons,
987 le16_to_cpu(*txdata.tx_cons_sb));
988 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000989
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300990 loop = CHIP_IS_E1x(bp) ?
991 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992
993 /* host sb data */
994
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000995 if (IS_FCOE_FP(fp))
996 continue;
Merav Sicron55c11942012-11-07 00:45:48 +0000997
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000998 BNX2X_ERR(" run indexes (");
999 for (j = 0; j < HC_SB_MAX_SM; j++)
1000 pr_cont("0x%x%s",
1001 fp->sb_running_index[j],
1002 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
1003
1004 BNX2X_ERR(" indexes (");
1005 for (j = 0; j < loop; j++)
1006 pr_cont("0x%x%s",
1007 fp->sb_index_values[j],
1008 (j == loop - 1) ? ")" : " ");
1009 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001010 data_size = CHIP_IS_E1x(bp) ?
1011 sizeof(struct hc_status_block_data_e1x) :
1012 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001013 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001014 sb_data_p = CHIP_IS_E1x(bp) ?
1015 (u32 *)&sb_data_e1x :
1016 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001017 /* copy sb data in here */
1018 for (j = 0; j < data_size; j++)
1019 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
1020 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
1021 j * sizeof(u32));
1022
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001023 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001024 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 +00001025 sb_data_e2.common.p_func.pf_id,
1026 sb_data_e2.common.p_func.vf_id,
1027 sb_data_e2.common.p_func.vf_valid,
1028 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001029 sb_data_e2.common.same_igu_sb_1b,
1030 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001031 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00001032 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 +00001033 sb_data_e1x.common.p_func.pf_id,
1034 sb_data_e1x.common.p_func.vf_id,
1035 sb_data_e1x.common.p_func.vf_valid,
1036 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001037 sb_data_e1x.common.same_igu_sb_1b,
1038 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001039 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001040
1041 /* SB_SMs data */
1042 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001043 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",
1044 j, hc_sm_p[j].__flags,
1045 hc_sm_p[j].igu_sb_id,
1046 hc_sm_p[j].igu_seg_id,
1047 hc_sm_p[j].time_to_expire,
1048 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001049 }
1050
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001051 /* Indices data */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001052 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001053 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001054 hc_index_p[j].flags,
1055 hc_index_p[j].timeout);
1056 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001057 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001058
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001059#ifdef BNX2X_STOP_ON_ERROR
Yuval Mintz04c46732013-01-23 03:21:46 +00001060
1061 /* event queue */
Yuval Mintz6bf07b82013-06-02 00:06:20 +00001062 BNX2X_ERR("eq cons %x prod %x\n", bp->eq_cons, bp->eq_prod);
Yuval Mintz04c46732013-01-23 03:21:46 +00001063 for (i = 0; i < NUM_EQ_DESC; i++) {
1064 u32 *data = (u32 *)&bp->eq_ring[i].message.data;
1065
1066 BNX2X_ERR("event queue [%d]: header: opcode %d, error %d\n",
1067 i, bp->eq_ring[i].message.opcode,
1068 bp->eq_ring[i].message.error);
1069 BNX2X_ERR("data: %x %x %x\n", data[0], data[1], data[2]);
1070 }
1071
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001072 /* Rings */
1073 /* Rx */
Merav Sicron55c11942012-11-07 00:45:48 +00001074 for_each_valid_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001075 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001076
1077 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1078 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001079 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001080 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1081 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +00001084 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001085 }
1086
Eilon Greenstein3196a882008-08-13 15:58:49 -07001087 start = RX_SGE(fp->rx_sge_prod);
1088 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001089 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001090 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1091 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1092
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001093 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1094 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001095 }
1096
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001097 start = RCQ_BD(fp->rx_comp_cons - 10);
1098 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001099 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1101
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001102 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1103 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001104 }
1105 }
1106
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001107 /* Tx */
Merav Sicron55c11942012-11-07 00:45:48 +00001108 for_each_valid_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001109 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +00001110 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00001111 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001112
Ariel Elior6383c0b2011-07-14 08:31:57 +00001113 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
1114 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
1115 for (j = start; j != end; j = TX_BD(j + 1)) {
1116 struct sw_tx_bd *sw_bd =
1117 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001118
Merav Sicron51c1a582012-03-18 10:33:38 +00001119 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001120 i, cos, j, sw_bd->skb,
1121 sw_bd->first_bd);
1122 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001123
Ariel Elior6383c0b2011-07-14 08:31:57 +00001124 start = TX_BD(txdata->tx_bd_cons - 10);
1125 end = TX_BD(txdata->tx_bd_cons + 254);
1126 for (j = start; j != end; j = TX_BD(j + 1)) {
1127 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001128
Merav Sicron51c1a582012-03-18 10:33:38 +00001129 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00001130 i, cos, j, tx_bd[0], tx_bd[1],
1131 tx_bd[2], tx_bd[3]);
1132 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001133 }
1134 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001135#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001136 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001137 bnx2x_mc_assert(bp);
1138 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001139}
1140
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001141/*
1142 * FLR Support for E2
1143 *
1144 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1145 * initialization.
1146 */
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001147#define FLR_WAIT_USEC 10000 /* 10 milliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001148#define FLR_WAIT_INTERVAL 50 /* usec */
1149#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001150
1151struct pbf_pN_buf_regs {
1152 int pN;
1153 u32 init_crd;
1154 u32 crd;
1155 u32 crd_freed;
1156};
1157
1158struct pbf_pN_cmd_regs {
1159 int pN;
1160 u32 lines_occup;
1161 u32 lines_freed;
1162};
1163
1164static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1165 struct pbf_pN_buf_regs *regs,
1166 u32 poll_count)
1167{
1168 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1169 u32 cur_cnt = poll_count;
1170
1171 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1172 crd = crd_start = REG_RD(bp, regs->crd);
1173 init_crd = REG_RD(bp, regs->init_crd);
1174
1175 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1176 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1177 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1178
1179 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1180 (init_crd - crd_start))) {
1181 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001182 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001183 crd = REG_RD(bp, regs->crd);
1184 crd_freed = REG_RD(bp, regs->crd_freed);
1185 } else {
1186 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1187 regs->pN);
1188 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1189 regs->pN, crd);
1190 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1191 regs->pN, crd_freed);
1192 break;
1193 }
1194 }
1195 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001196 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001197}
1198
1199static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1200 struct pbf_pN_cmd_regs *regs,
1201 u32 poll_count)
1202{
1203 u32 occup, to_free, freed, freed_start;
1204 u32 cur_cnt = poll_count;
1205
1206 occup = to_free = REG_RD(bp, regs->lines_occup);
1207 freed = freed_start = REG_RD(bp, regs->lines_freed);
1208
1209 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1210 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1211
1212 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1213 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001214 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001215 occup = REG_RD(bp, regs->lines_occup);
1216 freed = REG_RD(bp, regs->lines_freed);
1217 } else {
1218 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1219 regs->pN);
1220 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1221 regs->pN, occup);
1222 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1223 regs->pN, freed);
1224 break;
1225 }
1226 }
1227 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001228 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001229}
1230
Eric Dumazet1191cb82012-04-27 21:39:21 +00001231static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1232 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001233{
1234 u32 cur_cnt = poll_count;
1235 u32 val;
1236
1237 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001238 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001239
1240 return val;
1241}
1242
Ariel Eliord16132c2013-01-01 05:22:42 +00001243int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1244 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001245{
1246 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1247 if (val != 0) {
1248 BNX2X_ERR("%s usage count=%d\n", msg, val);
1249 return 1;
1250 }
1251 return 0;
1252}
1253
Ariel Eliord16132c2013-01-01 05:22:42 +00001254/* Common routines with VF FLR cleanup */
1255u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001256{
1257 /* adjust polling timeout */
1258 if (CHIP_REV_IS_EMUL(bp))
1259 return FLR_POLL_CNT * 2000;
1260
1261 if (CHIP_REV_IS_FPGA(bp))
1262 return FLR_POLL_CNT * 120;
1263
1264 return FLR_POLL_CNT;
1265}
1266
Ariel Eliord16132c2013-01-01 05:22:42 +00001267void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001268{
1269 struct pbf_pN_cmd_regs cmd_regs[] = {
1270 {0, (CHIP_IS_E3B0(bp)) ?
1271 PBF_REG_TQ_OCCUPANCY_Q0 :
1272 PBF_REG_P0_TQ_OCCUPANCY,
1273 (CHIP_IS_E3B0(bp)) ?
1274 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1275 PBF_REG_P0_TQ_LINES_FREED_CNT},
1276 {1, (CHIP_IS_E3B0(bp)) ?
1277 PBF_REG_TQ_OCCUPANCY_Q1 :
1278 PBF_REG_P1_TQ_OCCUPANCY,
1279 (CHIP_IS_E3B0(bp)) ?
1280 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1281 PBF_REG_P1_TQ_LINES_FREED_CNT},
1282 {4, (CHIP_IS_E3B0(bp)) ?
1283 PBF_REG_TQ_OCCUPANCY_LB_Q :
1284 PBF_REG_P4_TQ_OCCUPANCY,
1285 (CHIP_IS_E3B0(bp)) ?
1286 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1287 PBF_REG_P4_TQ_LINES_FREED_CNT}
1288 };
1289
1290 struct pbf_pN_buf_regs buf_regs[] = {
1291 {0, (CHIP_IS_E3B0(bp)) ?
1292 PBF_REG_INIT_CRD_Q0 :
1293 PBF_REG_P0_INIT_CRD ,
1294 (CHIP_IS_E3B0(bp)) ?
1295 PBF_REG_CREDIT_Q0 :
1296 PBF_REG_P0_CREDIT,
1297 (CHIP_IS_E3B0(bp)) ?
1298 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1299 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1300 {1, (CHIP_IS_E3B0(bp)) ?
1301 PBF_REG_INIT_CRD_Q1 :
1302 PBF_REG_P1_INIT_CRD,
1303 (CHIP_IS_E3B0(bp)) ?
1304 PBF_REG_CREDIT_Q1 :
1305 PBF_REG_P1_CREDIT,
1306 (CHIP_IS_E3B0(bp)) ?
1307 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1308 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1309 {4, (CHIP_IS_E3B0(bp)) ?
1310 PBF_REG_INIT_CRD_LB_Q :
1311 PBF_REG_P4_INIT_CRD,
1312 (CHIP_IS_E3B0(bp)) ?
1313 PBF_REG_CREDIT_LB_Q :
1314 PBF_REG_P4_CREDIT,
1315 (CHIP_IS_E3B0(bp)) ?
1316 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1317 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1318 };
1319
1320 int i;
1321
1322 /* Verify the command queues are flushed P0, P1, P4 */
1323 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1324 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1325
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001326 /* Verify the transmission buffers are flushed P0, P1, P4 */
1327 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1328 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1329}
1330
1331#define OP_GEN_PARAM(param) \
1332 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1333
1334#define OP_GEN_TYPE(type) \
1335 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1336
1337#define OP_GEN_AGG_VECT(index) \
1338 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1339
Ariel Eliord16132c2013-01-01 05:22:42 +00001340int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001341{
Yuval Mintz86564c32013-01-23 03:21:50 +00001342 u32 op_gen_command = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001343 u32 comp_addr = BAR_CSTRORM_INTMEM +
1344 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1345 int ret = 0;
1346
1347 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001348 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001349 return 1;
1350 }
1351
Yuval Mintz86564c32013-01-23 03:21:50 +00001352 op_gen_command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1353 op_gen_command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1354 op_gen_command |= OP_GEN_AGG_VECT(clnup_func);
1355 op_gen_command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001356
Ariel Elior89db4ad2012-01-26 06:01:48 +00001357 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Yuval Mintz86564c32013-01-23 03:21:50 +00001358 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen_command);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001359
1360 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1361 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001362 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1363 (REG_RD(bp, comp_addr)));
Ariel Eliord16132c2013-01-01 05:22:42 +00001364 bnx2x_panic();
1365 return 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001366 }
Yuval Mintz16a5fd92013-06-02 00:06:18 +00001367 /* Zero completion for next FLR */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001368 REG_WR(bp, comp_addr, 0);
1369
1370 return ret;
1371}
1372
Ariel Eliorb56e9672013-01-01 05:22:32 +00001373u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001374{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001375 u16 status;
1376
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001377 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001378 return status & PCI_EXP_DEVSTA_TRPND;
1379}
1380
1381/* PF FLR specific routines
1382*/
1383static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1384{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001385 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1386 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1387 CFC_REG_NUM_LCIDS_INSIDE_PF,
1388 "CFC PF usage counter timed out",
1389 poll_cnt))
1390 return 1;
1391
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001392 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1393 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1394 DORQ_REG_PF_USAGE_CNT,
1395 "DQ PF usage counter timed out",
1396 poll_cnt))
1397 return 1;
1398
1399 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1400 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1401 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1402 "QM PF usage counter timed out",
1403 poll_cnt))
1404 return 1;
1405
1406 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1407 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1408 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1409 "Timers VNIC usage counter timed out",
1410 poll_cnt))
1411 return 1;
1412 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1413 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1414 "Timers NUM_SCANS usage counter timed out",
1415 poll_cnt))
1416 return 1;
1417
1418 /* Wait DMAE PF usage counter to zero */
1419 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1420 dmae_reg_go_c[INIT_DMAE_C(bp)],
Yuval Mintz6bf07b82013-06-02 00:06:20 +00001421 "DMAE command register timed out",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001422 poll_cnt))
1423 return 1;
1424
1425 return 0;
1426}
1427
1428static void bnx2x_hw_enable_status(struct bnx2x *bp)
1429{
1430 u32 val;
1431
1432 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1433 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1434
1435 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1436 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1437
1438 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1439 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1440
1441 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1442 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1443
1444 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1445 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1446
1447 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1448 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1449
1450 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1451 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1452
1453 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1454 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1455 val);
1456}
1457
1458static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1459{
1460 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1461
1462 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1463
1464 /* Re-enable PF target read access */
1465 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1466
1467 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001468 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001469 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1470 return -EBUSY;
1471
1472 /* Zero the igu 'trailing edge' and 'leading edge' */
1473
1474 /* Send the FW cleanup command */
1475 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1476 return -EBUSY;
1477
1478 /* ATC cleanup */
1479
1480 /* Verify TX hw is flushed */
1481 bnx2x_tx_hw_flushed(bp, poll_cnt);
1482
1483 /* Wait 100ms (not adjusted according to platform) */
1484 msleep(100);
1485
1486 /* Verify no pending pci transactions */
1487 if (bnx2x_is_pcie_pending(bp->pdev))
1488 BNX2X_ERR("PCIE Transactions still pending\n");
1489
1490 /* Debug */
1491 bnx2x_hw_enable_status(bp);
1492
1493 /*
1494 * Master enable - Due to WB DMAE writes performed before this
1495 * register is re-initialized as part of the regular function init
1496 */
1497 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1498
1499 return 0;
1500}
1501
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001502static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001503{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001504 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001505 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1506 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001507 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1508 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1509 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001510
1511 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001512 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1513 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001514 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1515 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001516 if (single_msix)
1517 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001518 } else if (msi) {
1519 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1520 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1521 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1522 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001523 } else {
1524 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001525 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001526 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1527 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001528
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001529 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001530 DP(NETIF_MSG_IFUP,
1531 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001532
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001533 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001534
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001535 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1536 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001537 }
1538
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001539 if (CHIP_IS_E1(bp))
1540 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1541
Merav Sicron51c1a582012-03-18 10:33:38 +00001542 DP(NETIF_MSG_IFUP,
1543 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1544 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001545
1546 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001547 /*
1548 * Ensure that HC_CONFIG is written before leading/trailing edge config
1549 */
1550 mmiowb();
1551 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001552
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001553 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001554 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001555 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001556 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001557 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001558 /* enable nig and gpio3 attention */
1559 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001560 } else
1561 val = 0xffff;
1562
1563 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1564 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1565 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001566
1567 /* Make sure that interrupts are indeed enabled from here on */
1568 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569}
1570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001571static void bnx2x_igu_int_enable(struct bnx2x *bp)
1572{
1573 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001574 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1575 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1576 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001577
1578 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1579
1580 if (msix) {
1581 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1582 IGU_PF_CONF_SINGLE_ISR_EN);
Yuval Mintzebe61d82013-01-14 05:11:48 +00001583 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001584 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001585
1586 if (single_msix)
1587 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001588 } else if (msi) {
1589 val &= ~IGU_PF_CONF_INT_LINE_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001590 val |= (IGU_PF_CONF_MSI_MSIX_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001591 IGU_PF_CONF_ATTN_BIT_EN |
1592 IGU_PF_CONF_SINGLE_ISR_EN);
1593 } else {
1594 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
Yuval Mintzebe61d82013-01-14 05:11:48 +00001595 val |= (IGU_PF_CONF_INT_LINE_EN |
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001596 IGU_PF_CONF_ATTN_BIT_EN |
1597 IGU_PF_CONF_SINGLE_ISR_EN);
1598 }
1599
Yuval Mintzebe61d82013-01-14 05:11:48 +00001600 /* Clean previous status - need to configure igu prior to ack*/
1601 if ((!msix) || single_msix) {
1602 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1603 bnx2x_ack_int(bp);
1604 }
1605
1606 val |= IGU_PF_CONF_FUNC_EN;
1607
Merav Sicron51c1a582012-03-18 10:33:38 +00001608 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001609 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1610
1611 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1612
Yuval Mintz79a85572012-04-03 18:41:25 +00001613 if (val & IGU_PF_CONF_INT_LINE_EN)
1614 pci_intx(bp->pdev, true);
1615
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001616 barrier();
1617
1618 /* init leading/trailing edge */
1619 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001620 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001621 if (bp->port.pmf)
1622 /* enable nig and gpio3 attention */
1623 val |= 0x1100;
1624 } else
1625 val = 0xffff;
1626
1627 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1628 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1629
1630 /* Make sure that interrupts are indeed enabled from here on */
1631 mmiowb();
1632}
1633
1634void bnx2x_int_enable(struct bnx2x *bp)
1635{
1636 if (bp->common.int_block == INT_BLOCK_HC)
1637 bnx2x_hc_int_enable(bp);
1638 else
1639 bnx2x_igu_int_enable(bp);
1640}
1641
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001642void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001643{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001645 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001646
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001647 if (disable_hw)
1648 /* prevent the HW from sending interrupts */
1649 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001650
1651 /* make sure all ISRs are done */
1652 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001653 synchronize_irq(bp->msix_table[0].vector);
1654 offset = 1;
Merav Sicron55c11942012-11-07 00:45:48 +00001655 if (CNIC_SUPPORT(bp))
1656 offset++;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001657 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001658 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001659 } else
1660 synchronize_irq(bp->pdev->irq);
1661
1662 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001663 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001664 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001665 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001666}
1667
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001668/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001669
1670/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001671 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001672 */
1673
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001674/* Return true if succeeded to acquire the lock */
1675static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1676{
1677 u32 lock_status;
1678 u32 resource_bit = (1 << resource);
1679 int func = BP_FUNC(bp);
1680 u32 hw_lock_control_reg;
1681
Merav Sicron51c1a582012-03-18 10:33:38 +00001682 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1683 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001684
1685 /* Validating that the resource is within range */
1686 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001687 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001688 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1689 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001690 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001691 }
1692
1693 if (func <= 5)
1694 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1695 else
1696 hw_lock_control_reg =
1697 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1698
1699 /* Try to acquire the lock */
1700 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1701 lock_status = REG_RD(bp, hw_lock_control_reg);
1702 if (lock_status & resource_bit)
1703 return true;
1704
Merav Sicron51c1a582012-03-18 10:33:38 +00001705 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1706 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001707 return false;
1708}
1709
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001710/**
1711 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1712 *
1713 * @bp: driver handle
1714 *
1715 * Returns the recovery leader resource id according to the engine this function
1716 * belongs to. Currently only only 2 engines is supported.
1717 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001718static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001719{
1720 if (BP_PATH(bp))
1721 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1722 else
1723 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1724}
1725
1726/**
Yuval Mintz2de67432013-01-23 03:21:43 +00001727 * bnx2x_trylock_leader_lock- try to acquire a leader lock.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001728 *
1729 * @bp: driver handle
1730 *
Yuval Mintz2de67432013-01-23 03:21:43 +00001731 * Tries to acquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001732 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001733static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001734{
1735 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1736}
1737
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001738static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Merav Sicron55c11942012-11-07 00:45:48 +00001739
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001740/* schedule the sp task and mark that interrupt occurred (runs from ISR) */
1741static int bnx2x_schedule_sp_task(struct bnx2x *bp)
1742{
1743 /* Set the interrupt occurred bit for the sp-task to recognize it
1744 * must ack the interrupt and transition according to the IGU
1745 * state machine.
1746 */
1747 atomic_set(&bp->interrupt_occurred, 1);
1748
1749 /* The sp_task must execute only after this bit
1750 * is set, otherwise we will get out of sync and miss all
1751 * further interrupts. Hence, the barrier.
1752 */
1753 smp_wmb();
1754
1755 /* schedule sp_task to workqueue */
1756 return queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1757}
Eilon Greenstein3196a882008-08-13 15:58:49 -07001758
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001759void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001760{
1761 struct bnx2x *bp = fp->bp;
1762 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1763 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001764 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001765 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001766
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001767 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001769 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001770 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001771
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001772 /* If cid is within VF range, replace the slowpath object with the
1773 * one corresponding to this VF
1774 */
1775 if (cid >= BNX2X_FIRST_VF_CID &&
1776 cid < BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)
1777 bnx2x_iov_set_queue_sp_obj(bp, cid, &q_obj);
1778
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001779 switch (command) {
1780 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001781 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001782 drv_cmd = BNX2X_Q_CMD_UPDATE;
1783 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001784
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001785 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001786 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001787 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001788 break;
1789
Ariel Elior6383c0b2011-07-14 08:31:57 +00001790 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001791 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001792 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1793 break;
1794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001795 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001796 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001797 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001798 break;
1799
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001800 case (RAMROD_CMD_ID_ETH_TERMINATE):
Yuval Mintz6bf07b82013-06-02 00:06:20 +00001801 DP(BNX2X_MSG_SP, "got MULTI[%d] terminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001802 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1803 break;
1804
1805 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001806 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001807 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001808 break;
1809
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001810 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001811 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1812 command, fp->index);
1813 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001814 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001815
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001816 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1817 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1818 /* q_obj->complete_cmd() failure means that this was
1819 * an unexpected completion.
1820 *
1821 * In this case we don't want to increase the bp->spq_left
1822 * because apparently we haven't sent this command the first
1823 * place.
1824 */
1825#ifdef BNX2X_STOP_ON_ERROR
1826 bnx2x_panic();
1827#else
1828 return;
1829#endif
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001830 /* SRIOV: reschedule any 'in_progress' operations */
1831 bnx2x_iov_sp_event(bp, cid, true);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001832
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001833 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001834 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001835 /* push the change in bp->spq_left and towards the memory */
1836 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001837
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001838 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1839
Barak Witkowskia3348722012-04-23 03:04:46 +00001840 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1841 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1842 /* if Q update ramrod is completed for last Q in AFEX vif set
1843 * flow, then ACK MCP at the end
1844 *
1845 * mark pending ACK to MCP bit.
1846 * prevent case that both bits are cleared.
1847 * At the end of load/unload driver checks that
Yuval Mintz2de67432013-01-23 03:21:43 +00001848 * sp_state is cleared, and this order prevents
Barak Witkowskia3348722012-04-23 03:04:46 +00001849 * races
1850 */
1851 smp_mb__before_clear_bit();
1852 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1853 wmb();
1854 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1855 smp_mb__after_clear_bit();
1856
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001857 /* schedule the sp task as mcp ack is required */
1858 bnx2x_schedule_sp_task(bp);
Barak Witkowskia3348722012-04-23 03:04:46 +00001859 }
1860
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001861 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001862}
1863
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001864irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001865{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001866 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001867 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001868 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001869 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001870 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001871
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001872 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001873 if (unlikely(status == 0)) {
1874 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1875 return IRQ_NONE;
1876 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001877 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001878
Eilon Greenstein3196a882008-08-13 15:58:49 -07001879#ifdef BNX2X_STOP_ON_ERROR
1880 if (unlikely(bp->panic))
1881 return IRQ_HANDLED;
1882#endif
1883
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001884 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001885 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001886
Merav Sicron55c11942012-11-07 00:45:48 +00001887 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
Eilon Greensteinca003922009-08-12 22:53:28 -07001888 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001889 /* Handle Rx or Tx according to SB id */
Ariel Elior6383c0b2011-07-14 08:31:57 +00001890 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001891 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001892 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001893 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001894 status &= ~mask;
1895 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001896 }
1897
Merav Sicron55c11942012-11-07 00:45:48 +00001898 if (CNIC_SUPPORT(bp)) {
1899 mask = 0x2;
1900 if (status & (mask | 0x1)) {
1901 struct cnic_ops *c_ops = NULL;
Michael Chan993ac7b2009-10-10 13:46:56 +00001902
Michael Chanad9b4352013-01-23 03:21:52 +00001903 rcu_read_lock();
1904 c_ops = rcu_dereference(bp->cnic_ops);
1905 if (c_ops && (bp->cnic_eth_dev.drv_state &
1906 CNIC_DRV_STATE_HANDLES_IRQ))
1907 c_ops->cnic_handler(bp->cnic_data, NULL);
1908 rcu_read_unlock();
Merav Sicron55c11942012-11-07 00:45:48 +00001909
1910 status &= ~mask;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001911 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001912 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001913
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001914 if (unlikely(status & 0x1)) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00001915
1916 /* schedule sp task to perform default status block work, ack
1917 * attentions and enable interrupts.
1918 */
1919 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001920
1921 status &= ~0x1;
1922 if (!status)
1923 return IRQ_HANDLED;
1924 }
1925
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001926 if (unlikely(status))
1927 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001928 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001929
1930 return IRQ_HANDLED;
1931}
1932
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001933/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001934
1935/*
1936 * General service functions
1937 */
1938
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001939int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001940{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001941 u32 lock_status;
1942 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001943 int func = BP_FUNC(bp);
1944 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001945 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001946
1947 /* Validating that the resource is within range */
1948 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001949 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001950 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1951 return -EINVAL;
1952 }
1953
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001954 if (func <= 5) {
1955 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1956 } else {
1957 hw_lock_control_reg =
1958 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1959 }
1960
Eliezer Tamirf1410642008-02-28 11:51:50 -08001961 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001962 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001963 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001964 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001965 lock_status, resource_bit);
1966 return -EEXIST;
1967 }
1968
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001969 /* Try for 5 second every 5ms */
1970 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001971 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001972 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1973 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001974 if (lock_status & resource_bit)
1975 return 0;
1976
Yuval Mintz639d65b2013-06-02 00:06:21 +00001977 usleep_range(5000, 10000);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001978 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001979 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001980 return -EAGAIN;
1981}
1982
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001983int bnx2x_release_leader_lock(struct bnx2x *bp)
1984{
1985 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1986}
1987
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001988int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001989{
1990 u32 lock_status;
1991 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001992 int func = BP_FUNC(bp);
1993 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001994
1995 /* Validating that the resource is within range */
1996 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001997 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001998 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1999 return -EINVAL;
2000 }
2001
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002002 if (func <= 5) {
2003 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
2004 } else {
2005 hw_lock_control_reg =
2006 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
2007 }
2008
Eliezer Tamirf1410642008-02-28 11:51:50 -08002009 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002010 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002011 if (!(lock_status & resource_bit)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +00002012 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. Unlock was called but lock wasn't taken!\n",
2013 lock_status, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002014 return -EFAULT;
2015 }
2016
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002017 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002018 return 0;
2019}
2020
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002021int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
2022{
2023 /* The GPIO should be swapped if swap register is set and active */
2024 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2025 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2026 int gpio_shift = gpio_num +
2027 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2028 u32 gpio_mask = (1 << gpio_shift);
2029 u32 gpio_reg;
2030 int value;
2031
2032 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2033 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2034 return -EINVAL;
2035 }
2036
2037 /* read GPIO value */
2038 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2039
2040 /* get the requested pin value */
2041 if ((gpio_reg & gpio_mask) == gpio_mask)
2042 value = 1;
2043 else
2044 value = 0;
2045
2046 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
2047
2048 return value;
2049}
2050
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002051int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002052{
2053 /* The GPIO should be swapped if swap register is set and active */
2054 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002055 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002056 int gpio_shift = gpio_num +
2057 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2058 u32 gpio_mask = (1 << gpio_shift);
2059 u32 gpio_reg;
2060
2061 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2062 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2063 return -EINVAL;
2064 }
2065
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002066 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002067 /* read GPIO and mask except the float bits */
2068 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
2069
2070 switch (mode) {
2071 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002072 DP(NETIF_MSG_LINK,
2073 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002074 gpio_num, gpio_shift);
2075 /* clear FLOAT and set CLR */
2076 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2077 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
2078 break;
2079
2080 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002081 DP(NETIF_MSG_LINK,
2082 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002083 gpio_num, gpio_shift);
2084 /* clear FLOAT and set SET */
2085 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2086 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
2087 break;
2088
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002089 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002090 DP(NETIF_MSG_LINK,
2091 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08002092 gpio_num, gpio_shift);
2093 /* set FLOAT */
2094 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2095 break;
2096
2097 default:
2098 break;
2099 }
2100
2101 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002102 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002103
2104 return 0;
2105}
2106
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00002107int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
2108{
2109 u32 gpio_reg = 0;
2110 int rc = 0;
2111
2112 /* Any port swapping should be handled by caller. */
2113
2114 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2115 /* read GPIO and mask except the float bits */
2116 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2117 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2118 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2119 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2120
2121 switch (mode) {
2122 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2123 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2124 /* set CLR */
2125 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2126 break;
2127
2128 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2129 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2130 /* set SET */
2131 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2132 break;
2133
2134 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2135 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2136 /* set FLOAT */
2137 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2138 break;
2139
2140 default:
2141 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2142 rc = -EINVAL;
2143 break;
2144 }
2145
2146 if (rc == 0)
2147 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2148
2149 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2150
2151 return rc;
2152}
2153
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002154int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2155{
2156 /* The GPIO should be swapped if swap register is set and active */
2157 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2158 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2159 int gpio_shift = gpio_num +
2160 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2161 u32 gpio_mask = (1 << gpio_shift);
2162 u32 gpio_reg;
2163
2164 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2165 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2166 return -EINVAL;
2167 }
2168
2169 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2170 /* read GPIO int */
2171 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2172
2173 switch (mode) {
2174 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002175 DP(NETIF_MSG_LINK,
2176 "Clear GPIO INT %d (shift %d) -> output low\n",
2177 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002178 /* clear SET and set CLR */
2179 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2180 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2181 break;
2182
2183 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002184 DP(NETIF_MSG_LINK,
2185 "Set GPIO INT %d (shift %d) -> output high\n",
2186 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002187 /* clear CLR and set SET */
2188 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2189 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2190 break;
2191
2192 default:
2193 break;
2194 }
2195
2196 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2197 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2198
2199 return 0;
2200}
2201
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002202static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002203{
Eliezer Tamirf1410642008-02-28 11:51:50 -08002204 u32 spio_reg;
2205
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002206 /* Only 2 SPIOs are configurable */
2207 if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2208 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002209 return -EINVAL;
2210 }
2211
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002212 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002213 /* read SPIO and mask except the float bits */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002214 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002215
2216 switch (mode) {
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002217 case MISC_SPIO_OUTPUT_LOW:
2218 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002219 /* clear FLOAT and set CLR */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002220 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2221 spio_reg |= (spio << MISC_SPIO_CLR_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002222 break;
2223
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002224 case MISC_SPIO_OUTPUT_HIGH:
2225 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002226 /* clear FLOAT and set SET */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002227 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2228 spio_reg |= (spio << MISC_SPIO_SET_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002229 break;
2230
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002231 case MISC_SPIO_INPUT_HI_Z:
2232 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002233 /* set FLOAT */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002234 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002235 break;
2236
2237 default:
2238 break;
2239 }
2240
2241 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002242 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002243
2244 return 0;
2245}
2246
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002247void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002248{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002249 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002250 switch (bp->link_vars.ieee_fc &
2251 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002252 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002253 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002254 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002255 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002256
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002257 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002258 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002259 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002260 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002261
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002262 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002263 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002264 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002265
Eliezer Tamirf1410642008-02-28 11:51:50 -08002266 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002267 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002268 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002269 break;
2270 }
2271}
2272
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002273static void bnx2x_set_requested_fc(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002274{
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002275 /* Initialize link parameters structure variables
2276 * It is recommended to turn off RX FC for jumbo frames
2277 * for better performance
2278 */
2279 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
2280 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
2281 else
2282 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
2283}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002284
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002285static void bnx2x_init_dropless_fc(struct bnx2x *bp)
2286{
2287 u32 pause_enabled = 0;
2288
2289 if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) {
2290 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2291 pause_enabled = 1;
2292
2293 REG_WR(bp, BAR_USTRORM_INTMEM +
2294 USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)),
2295 pause_enabled);
2296 }
2297
2298 DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n",
2299 pause_enabled ? "enabled" : "disabled");
2300}
2301
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002302int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
2303{
2304 int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
2305 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
2306
2307 if (!BP_NOMCP(bp)) {
2308 bnx2x_set_requested_fc(bp);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002309 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002310
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002311 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002312 struct link_params *lp = &bp->link_params;
2313 lp->loopback_mode = LOOPBACK_XGXS;
2314 /* do PHY loopback at 10G speed, if possible */
2315 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2316 if (lp->speed_cap_mask[cfx_idx] &
2317 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2318 lp->req_line_speed[cfx_idx] =
2319 SPEED_10000;
2320 else
2321 lp->req_line_speed[cfx_idx] =
2322 SPEED_1000;
2323 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002324 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002325
Merav Sicron8970b2e2012-06-19 07:48:22 +00002326 if (load_mode == LOAD_LOOPBACK_EXT) {
2327 struct link_params *lp = &bp->link_params;
2328 lp->loopback_mode = LOOPBACK_EXT;
2329 }
2330
Eilon Greenstein19680c42008-08-13 15:47:33 -07002331 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002332
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002333 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002334
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002335 bnx2x_init_dropless_fc(bp);
2336
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002337 bnx2x_calc_fc_adv(bp);
2338
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002339 if (bp->link_vars.link_up) {
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002340 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002341 bnx2x_link_report(bp);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002342 }
2343 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002344 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002345 return rc;
2346 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002347 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002348 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002349}
2350
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002351void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002352{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002353 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002354 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002355 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002356 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002357
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002358 bnx2x_init_dropless_fc(bp);
2359
Eilon Greenstein19680c42008-08-13 15:47:33 -07002360 bnx2x_calc_fc_adv(bp);
2361 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002362 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002363}
2364
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002365static void bnx2x__link_reset(struct bnx2x *bp)
2366{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002367 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002368 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002369 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002370 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002371 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002372 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002373}
2374
Yuval Mintz5d07d862012-09-13 02:56:21 +00002375void bnx2x_force_link_reset(struct bnx2x *bp)
2376{
2377 bnx2x_acquire_phy_lock(bp);
2378 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2379 bnx2x_release_phy_lock(bp);
2380}
2381
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002382u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002383{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002384 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002385
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002386 if (!BP_NOMCP(bp)) {
2387 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002388 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2389 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002390 bnx2x_release_phy_lock(bp);
2391 } else
2392 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002393
2394 return rc;
2395}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002396
Eilon Greenstein2691d512009-08-12 08:22:08 +00002397/* Calculates the sum of vn_min_rates.
2398 It's needed for further normalizing of the min_rates.
2399 Returns:
2400 sum of vn_min_rates.
2401 or
2402 0 - if all the min_rates are 0.
Yuval Mintz16a5fd92013-06-02 00:06:18 +00002403 In the later case fairness algorithm should be deactivated.
Eilon Greenstein2691d512009-08-12 08:22:08 +00002404 If not all min_rates are zero then those that are zeroes will be set to 1.
2405 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002406static void bnx2x_calc_vn_min(struct bnx2x *bp,
2407 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002408{
2409 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002410 int vn;
2411
David S. Miller8decf862011-09-22 03:23:13 -04002412 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002413 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002414 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2415 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2416
2417 /* Skip hidden vns */
2418 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002419 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002420 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002421 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002422 vn_min_rate = DEF_MIN_RATE;
2423 else
2424 all_zero = 0;
2425
Yuval Mintzb475d782012-04-03 18:41:29 +00002426 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002427 }
2428
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002429 /* if ETS or all min rates are zeros - disable fairness */
2430 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002431 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002432 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2433 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2434 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002435 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002436 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002437 DP(NETIF_MSG_IFUP,
2438 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002439 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002440 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002441 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002442}
2443
Yuval Mintzb475d782012-04-03 18:41:29 +00002444static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2445 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002446{
Yuval Mintzb475d782012-04-03 18:41:29 +00002447 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002448 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002449
Yuval Mintzb475d782012-04-03 18:41:29 +00002450 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002451 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002452 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002453 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2454
Yuval Mintzb475d782012-04-03 18:41:29 +00002455 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002456 /* maxCfg in percents of linkspeed */
2457 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002458 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002459 /* maxCfg is absolute in 100Mb units */
2460 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002461 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002462
Yuval Mintzb475d782012-04-03 18:41:29 +00002463 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002464
Yuval Mintzb475d782012-04-03 18:41:29 +00002465 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002466}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002467
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002468static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2469{
2470 if (CHIP_REV_IS_SLOW(bp))
2471 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002472 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002473 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002475 return CMNG_FNS_NONE;
2476}
2477
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002478void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002479{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002480 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002481
2482 if (BP_NOMCP(bp))
Yuval Mintz16a5fd92013-06-02 00:06:18 +00002483 return; /* what should be the default value in this case */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002484
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002485 /* For 2 port configuration the absolute function number formula
2486 * is:
2487 * abs_func = 2 * vn + BP_PORT + BP_PATH
2488 *
2489 * and there are 4 functions per port
2490 *
2491 * For 4 port configuration it is
2492 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2493 *
2494 * and there are 2 functions per port
2495 */
David S. Miller8decf862011-09-22 03:23:13 -04002496 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002497 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2498
2499 if (func >= E1H_FUNC_MAX)
2500 break;
2501
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002502 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002503 MF_CFG_RD(bp, func_mf_config[func].config);
2504 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002505 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2506 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2507 bp->flags |= MF_FUNC_DIS;
2508 } else {
2509 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2510 bp->flags &= ~MF_FUNC_DIS;
2511 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002512}
2513
2514static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2515{
Yuval Mintzb475d782012-04-03 18:41:29 +00002516 struct cmng_init_input input;
2517 memset(&input, 0, sizeof(struct cmng_init_input));
2518
2519 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002520
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002521 if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002522 int vn;
2523
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524 /* read mf conf from shmem */
2525 if (read_cfg)
2526 bnx2x_read_mf_cfg(bp);
2527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002528 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002529 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002530
2531 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002532 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002533 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002534 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002535
2536 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002537 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002538 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002539
2540 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002541 return;
2542 }
2543
2544 /* rate shaping and fairness are disabled */
2545 DP(NETIF_MSG_IFUP,
2546 "rate shaping and fairness are disabled\n");
2547}
2548
Eric Dumazet1191cb82012-04-27 21:39:21 +00002549static void storm_memset_cmng(struct bnx2x *bp,
2550 struct cmng_init *cmng,
2551 u8 port)
2552{
2553 int vn;
2554 size_t size = sizeof(struct cmng_struct_per_port);
2555
2556 u32 addr = BAR_XSTRORM_INTMEM +
2557 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2558
2559 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2560
2561 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2562 int func = func_by_vn(bp, vn);
2563
2564 addr = BAR_XSTRORM_INTMEM +
2565 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2566 size = sizeof(struct rate_shaping_vars_per_vn);
2567 __storm_memset_struct(bp, addr, size,
2568 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2569
2570 addr = BAR_XSTRORM_INTMEM +
2571 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2572 size = sizeof(struct fairness_vars_per_vn);
2573 __storm_memset_struct(bp, addr, size,
2574 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2575 }
2576}
2577
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002578/* init cmng mode in HW according to local configuration */
2579void bnx2x_set_local_cmng(struct bnx2x *bp)
2580{
2581 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2582
2583 if (cmng_fns != CMNG_FNS_NONE) {
2584 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2585 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2586 } else {
2587 /* rate shaping and fairness are disabled */
2588 DP(NETIF_MSG_IFUP,
2589 "single function mode without fairness\n");
2590 }
2591}
2592
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002593/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002594static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002595{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002596 /* Make sure that we are synced with the current statistics */
2597 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2598
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002599 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002600
Dmitry Kravkov9156b302013-08-19 09:11:56 +03002601 bnx2x_init_dropless_fc(bp);
2602
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002603 if (bp->link_vars.link_up) {
2604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002605 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002606 struct host_port_stats *pstats;
2607
2608 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002609 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002610 memset(&(pstats->mac_stx[0]), 0,
2611 sizeof(struct mac_stx));
2612 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002613 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002614 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2615 }
2616
Dmitry Kravkov568e2422013-08-13 02:25:00 +03002617 if (bp->link_vars.link_up && bp->link_vars.line_speed)
2618 bnx2x_set_local_cmng(bp);
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002619
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002620 __bnx2x_link_report(bp);
2621
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002622 if (IS_MF(bp))
2623 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002624}
2625
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002626void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002627{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002628 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002629 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002630
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002631 /* read updated dcb configuration */
Ariel Eliorad5afc82013-01-01 05:22:26 +00002632 if (IS_PF(bp)) {
2633 bnx2x_dcbx_pmf_update(bp);
2634 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2635 if (bp->link_vars.link_up)
2636 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2637 else
2638 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2639 /* indicate link status */
2640 bnx2x_link_report(bp);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002641
Ariel Eliorad5afc82013-01-01 05:22:26 +00002642 } else { /* VF */
2643 bp->port.supported[0] |= (SUPPORTED_10baseT_Half |
2644 SUPPORTED_10baseT_Full |
2645 SUPPORTED_100baseT_Half |
2646 SUPPORTED_100baseT_Full |
2647 SUPPORTED_1000baseT_Full |
2648 SUPPORTED_2500baseX_Full |
2649 SUPPORTED_10000baseT_Full |
2650 SUPPORTED_TP |
2651 SUPPORTED_FIBRE |
2652 SUPPORTED_Autoneg |
2653 SUPPORTED_Pause |
2654 SUPPORTED_Asym_Pause);
2655 bp->port.advertising[0] = bp->port.supported[0];
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002656
Ariel Eliorad5afc82013-01-01 05:22:26 +00002657 bp->link_params.bp = bp;
2658 bp->link_params.port = BP_PORT(bp);
2659 bp->link_params.req_duplex[0] = DUPLEX_FULL;
2660 bp->link_params.req_flow_ctrl[0] = BNX2X_FLOW_CTRL_NONE;
2661 bp->link_params.req_line_speed[0] = SPEED_10000;
2662 bp->link_params.speed_cap_mask[0] = 0x7f0000;
2663 bp->link_params.switch_cfg = SWITCH_CFG_10G;
2664 bp->link_vars.mac_type = MAC_TYPE_BMAC;
2665 bp->link_vars.line_speed = SPEED_10000;
2666 bp->link_vars.link_status =
2667 (LINK_STATUS_LINK_UP |
2668 LINK_STATUS_SPEED_AND_DUPLEX_10GTFD);
2669 bp->link_vars.link_up = 1;
2670 bp->link_vars.duplex = DUPLEX_FULL;
2671 bp->link_vars.flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2672 __bnx2x_link_report(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002673 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Ariel Eliorad5afc82013-01-01 05:22:26 +00002674 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002675}
2676
Barak Witkowskia3348722012-04-23 03:04:46 +00002677static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2678 u16 vlan_val, u8 allowed_prio)
2679{
Yuval Mintz86564c32013-01-23 03:21:50 +00002680 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002681 struct bnx2x_func_afex_update_params *f_update_params =
2682 &func_params.params.afex_update;
2683
2684 func_params.f_obj = &bp->func_obj;
2685 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2686
2687 /* no need to wait for RAMROD completion, so don't
2688 * set RAMROD_COMP_WAIT flag
2689 */
2690
2691 f_update_params->vif_id = vifid;
2692 f_update_params->afex_default_vlan = vlan_val;
2693 f_update_params->allowed_priorities = allowed_prio;
2694
2695 /* if ramrod can not be sent, response to MCP immediately */
2696 if (bnx2x_func_state_change(bp, &func_params) < 0)
2697 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2698
2699 return 0;
2700}
2701
2702static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2703 u16 vif_index, u8 func_bit_map)
2704{
Yuval Mintz86564c32013-01-23 03:21:50 +00002705 struct bnx2x_func_state_params func_params = {NULL};
Barak Witkowskia3348722012-04-23 03:04:46 +00002706 struct bnx2x_func_afex_viflists_params *update_params =
2707 &func_params.params.afex_viflists;
2708 int rc;
2709 u32 drv_msg_code;
2710
2711 /* validate only LIST_SET and LIST_GET are received from switch */
2712 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2713 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2714 cmd_type);
2715
2716 func_params.f_obj = &bp->func_obj;
2717 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2718
2719 /* set parameters according to cmd_type */
2720 update_params->afex_vif_list_command = cmd_type;
Yuval Mintz86564c32013-01-23 03:21:50 +00002721 update_params->vif_list_index = vif_index;
Barak Witkowskia3348722012-04-23 03:04:46 +00002722 update_params->func_bit_map =
2723 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2724 update_params->func_to_clear = 0;
2725 drv_msg_code =
2726 (cmd_type == VIF_LIST_RULE_GET) ?
2727 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2728 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2729
2730 /* if ramrod can not be sent, respond to MCP immediately for
2731 * SET and GET requests (other are not triggered from MCP)
2732 */
2733 rc = bnx2x_func_state_change(bp, &func_params);
2734 if (rc < 0)
2735 bnx2x_fw_command(bp, drv_msg_code, 0);
2736
2737 return 0;
2738}
2739
2740static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2741{
2742 struct afex_stats afex_stats;
2743 u32 func = BP_ABS_FUNC(bp);
2744 u32 mf_config;
2745 u16 vlan_val;
2746 u32 vlan_prio;
2747 u16 vif_id;
2748 u8 allowed_prio;
2749 u8 vlan_mode;
2750 u32 addr_to_write, vifid, addrs, stats_type, i;
2751
2752 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2753 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2754 DP(BNX2X_MSG_MCP,
2755 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2756 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2757 }
2758
2759 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2760 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2761 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2762 DP(BNX2X_MSG_MCP,
2763 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2764 vifid, addrs);
2765 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2766 addrs);
2767 }
2768
2769 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2770 addr_to_write = SHMEM2_RD(bp,
2771 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2772 stats_type = SHMEM2_RD(bp,
2773 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2774
2775 DP(BNX2X_MSG_MCP,
2776 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2777 addr_to_write);
2778
2779 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2780
2781 /* write response to scratchpad, for MCP */
2782 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2783 REG_WR(bp, addr_to_write + i*sizeof(u32),
2784 *(((u32 *)(&afex_stats))+i));
2785
2786 /* send ack message to MCP */
2787 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2788 }
2789
2790 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2791 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2792 bp->mf_config[BP_VN(bp)] = mf_config;
2793 DP(BNX2X_MSG_MCP,
2794 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2795 mf_config);
2796
2797 /* if VIF_SET is "enabled" */
2798 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2799 /* set rate limit directly to internal RAM */
2800 struct cmng_init_input cmng_input;
2801 struct rate_shaping_vars_per_vn m_rs_vn;
2802 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2803 u32 addr = BAR_XSTRORM_INTMEM +
2804 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2805
2806 bp->mf_config[BP_VN(bp)] = mf_config;
2807
2808 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2809 m_rs_vn.vn_counter.rate =
2810 cmng_input.vnic_max_rate[BP_VN(bp)];
2811 m_rs_vn.vn_counter.quota =
2812 (m_rs_vn.vn_counter.rate *
2813 RS_PERIODIC_TIMEOUT_USEC) / 8;
2814
2815 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2816
2817 /* read relevant values from mf_cfg struct in shmem */
2818 vif_id =
2819 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2820 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2821 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2822 vlan_val =
2823 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2824 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2825 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2826 vlan_prio = (mf_config &
2827 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2828 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2829 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2830 vlan_mode =
2831 (MF_CFG_RD(bp,
2832 func_mf_config[func].afex_config) &
2833 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2834 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2835 allowed_prio =
2836 (MF_CFG_RD(bp,
2837 func_mf_config[func].afex_config) &
2838 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2839 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2840
2841 /* send ramrod to FW, return in case of failure */
2842 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2843 allowed_prio))
2844 return;
2845
2846 bp->afex_def_vlan_tag = vlan_val;
2847 bp->afex_vlan_mode = vlan_mode;
2848 } else {
2849 /* notify link down because BP->flags is disabled */
2850 bnx2x_link_report(bp);
2851
2852 /* send INVALID VIF ramrod to FW */
2853 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2854
2855 /* Reset the default afex VLAN */
2856 bp->afex_def_vlan_tag = -1;
2857 }
2858 }
2859}
2860
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002861static void bnx2x_pmf_update(struct bnx2x *bp)
2862{
2863 int port = BP_PORT(bp);
2864 u32 val;
2865
2866 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002867 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002868
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002869 /*
2870 * We need the mb() to ensure the ordering between the writing to
2871 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2872 */
2873 smp_mb();
2874
2875 /* queue a periodic task */
2876 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2877
Dmitry Kravkovef018542011-06-14 01:33:57 +00002878 bnx2x_dcbx_pmf_update(bp);
2879
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002880 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002881 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002882 if (bp->common.int_block == INT_BLOCK_HC) {
2883 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2884 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002885 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002886 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2887 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2888 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002889
2890 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002891}
2892
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002893/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002894
2895/* slow path */
2896
2897/*
2898 * General service functions
2899 */
2900
Eilon Greenstein2691d512009-08-12 08:22:08 +00002901/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002902u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002903{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002904 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002905 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002906 u32 rc = 0;
2907 u32 cnt = 1;
2908 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2909
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002910 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002911 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002912 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2913 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2914
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002915 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2916 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002917
2918 do {
2919 /* let the FW do it's magic ... */
2920 msleep(delay);
2921
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002922 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002923
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002924 /* Give the FW up to 5 second (500*10ms) */
2925 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002926
2927 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2928 cnt*delay, rc, seq);
2929
2930 /* is this a reply to our command? */
2931 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2932 rc &= FW_MSG_CODE_MASK;
2933 else {
2934 /* FW BUG! */
2935 BNX2X_ERR("FW failed to respond!\n");
2936 bnx2x_fw_dump(bp);
2937 rc = 0;
2938 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002939 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002940
2941 return rc;
2942}
2943
Eric Dumazet1191cb82012-04-27 21:39:21 +00002944static void storm_memset_func_cfg(struct bnx2x *bp,
2945 struct tstorm_eth_function_common_config *tcfg,
2946 u16 abs_fid)
2947{
2948 size_t size = sizeof(struct tstorm_eth_function_common_config);
2949
2950 u32 addr = BAR_TSTRORM_INTMEM +
2951 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2952
2953 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2954}
2955
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002956void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002957{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002958 if (CHIP_IS_E1x(bp)) {
2959 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002960
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002961 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2962 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002963
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002964 /* Enable the function in the FW */
2965 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2966 storm_memset_func_en(bp, p->func_id, 1);
2967
2968 /* spq */
2969 if (p->func_flgs & FUNC_FLG_SPQ) {
2970 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2971 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2972 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2973 }
2974}
2975
Ariel Elior6383c0b2011-07-14 08:31:57 +00002976/**
Yuval Mintz16a5fd92013-06-02 00:06:18 +00002977 * bnx2x_get_common_flags - Return common flags
Ariel Elior6383c0b2011-07-14 08:31:57 +00002978 *
2979 * @bp device handle
2980 * @fp queue handle
2981 * @zero_stats TRUE if statistics zeroing is needed
2982 *
2983 * Return the flags that are common for the Tx-only and not normal connections.
2984 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002985static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2986 struct bnx2x_fastpath *fp,
2987 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002988{
2989 unsigned long flags = 0;
2990
2991 /* PF driver will always initialize the Queue to an ACTIVE state */
2992 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2993
Ariel Elior6383c0b2011-07-14 08:31:57 +00002994 /* tx only connections collect statistics (on the same index as the
Dmitry Kravkov91226792013-03-11 05:17:52 +00002995 * parent connection). The statistics are zeroed when the parent
2996 * connection is initialized.
Ariel Elior6383c0b2011-07-14 08:31:57 +00002997 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002998
2999 __set_bit(BNX2X_Q_FLG_STATS, &flags);
3000 if (zero_stats)
3001 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
3002
Dmitry Kravkov91226792013-03-11 05:17:52 +00003003 __set_bit(BNX2X_Q_FLG_PCSUM_ON_PKT, &flags);
Dmitry Kravkove287a752013-03-21 15:38:24 +00003004 __set_bit(BNX2X_Q_FLG_TUN_INC_INNER_IP_ID, &flags);
Ariel Elior6383c0b2011-07-14 08:31:57 +00003005
Yuval Mintz823e1d92013-01-14 05:11:47 +00003006#ifdef BNX2X_STOP_ON_ERROR
3007 __set_bit(BNX2X_Q_FLG_TX_SEC, &flags);
3008#endif
3009
Ariel Elior6383c0b2011-07-14 08:31:57 +00003010 return flags;
3011}
3012
Eric Dumazet1191cb82012-04-27 21:39:21 +00003013static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
3014 struct bnx2x_fastpath *fp,
3015 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00003016{
3017 unsigned long flags = 0;
3018
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003019 /* calculate other queue flags */
3020 if (IS_MF_SD(bp))
3021 __set_bit(BNX2X_Q_FLG_OV, &flags);
3022
Barak Witkowskia3348722012-04-23 03:04:46 +00003023 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003024 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00003025 /* For FCoE - force usage of default priority (for afex) */
3026 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
3027 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003028
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00003029 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003030 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00003031 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00003032 if (fp->mode == TPA_MODE_GRO)
3033 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00003034 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003035
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003036 if (leading) {
3037 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
3038 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
3039 }
3040
3041 /* Always set HW VLAN stripping */
3042 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003043
Barak Witkowskia3348722012-04-23 03:04:46 +00003044 /* configure silent vlan removal */
3045 if (IS_MF_AFEX(bp))
3046 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
3047
Ariel Elior6383c0b2011-07-14 08:31:57 +00003048 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003049}
3050
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003051static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003052 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
3053 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003054{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003055 gen_init->stat_id = bnx2x_stats_id(fp);
3056 gen_init->spcl_id = fp->cl_id;
3057
3058 /* Always use mini-jumbo MTU for FCoE L2 ring */
3059 if (IS_FCOE_FP(fp))
3060 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
3061 else
3062 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003063
3064 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003065}
3066
3067static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
3068 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
3069 struct bnx2x_rxq_setup_params *rxq_init)
3070{
3071 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003072 u16 sge_sz = 0;
3073 u16 tpa_agg_size = 0;
3074
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003075 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04003076 pause->sge_th_lo = SGE_TH_LO(bp);
3077 pause->sge_th_hi = SGE_TH_HI(bp);
3078
3079 /* validate SGE ring has enough to cross high threshold */
3080 WARN_ON(bp->dropless_fc &&
3081 pause->sge_th_hi + FW_PREFETCH_CNT >
3082 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
3083
Yuval Mintz924d75a2013-01-23 03:21:44 +00003084 tpa_agg_size = TPA_AGG_SIZE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003085 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
3086 SGE_PAGE_SHIFT;
3087 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
3088 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
Yuval Mintz924d75a2013-01-23 03:21:44 +00003089 sge_sz = (u16)min_t(u32, SGE_PAGES, 0xffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003090 }
3091
3092 /* pause - not for e1 */
3093 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04003094 pause->bd_th_lo = BD_TH_LO(bp);
3095 pause->bd_th_hi = BD_TH_HI(bp);
3096
3097 pause->rcq_th_lo = RCQ_TH_LO(bp);
3098 pause->rcq_th_hi = RCQ_TH_HI(bp);
3099 /*
3100 * validate that rings have enough entries to cross
3101 * high thresholds
3102 */
3103 WARN_ON(bp->dropless_fc &&
3104 pause->bd_th_hi + FW_PREFETCH_CNT >
3105 bp->rx_ring_size);
3106 WARN_ON(bp->dropless_fc &&
3107 pause->rcq_th_hi + FW_PREFETCH_CNT >
3108 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003109
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003110 pause->pri_map = 1;
3111 }
3112
3113 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003114 rxq_init->dscr_map = fp->rx_desc_mapping;
3115 rxq_init->sge_map = fp->rx_sge_mapping;
3116 rxq_init->rcq_map = fp->rx_comp_mapping;
3117 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003118
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003119 /* This should be a maximum number of data bytes that may be
3120 * placed on the BD (not including paddings).
3121 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00003122 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003123 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08003124
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003125 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003126 rxq_init->tpa_agg_sz = tpa_agg_size;
3127 rxq_init->sge_buf_sz = sge_sz;
3128 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003129 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00003130 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003131
3132 /* Maximum number or simultaneous TPA aggregation for this Queue.
3133 *
Yuval Mintz2de67432013-01-23 03:21:43 +00003134 * For PF Clients it should be the maximum available number.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003135 * VF driver(s) may want to define it to a smaller value.
3136 */
David S. Miller8decf862011-09-22 03:23:13 -04003137 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003138
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003139 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
3140 rxq_init->fw_sb_id = fp->fw_sb_id;
3141
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003142 if (IS_FCOE_FP(fp))
3143 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
3144 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00003145 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00003146 /* configure silent vlan removal
3147 * if multi function mode is afex, then mask default vlan
3148 */
3149 if (IS_MF_AFEX(bp)) {
3150 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
3151 rxq_init->silent_removal_mask = VLAN_VID_MASK;
3152 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003153}
3154
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003155static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00003156 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
3157 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003158{
Merav Sicron65565882012-06-19 07:48:26 +00003159 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00003160 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003161 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
3162 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003163
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003164 /*
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003165 * set the tss leading client id for TX classification ==
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003166 * leading RSS client id
3167 */
3168 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
3169
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003170 if (IS_FCOE_FP(fp)) {
3171 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
3172 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
3173 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003174}
3175
stephen hemminger8d962862010-10-21 07:50:56 +00003176static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003177{
3178 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003179 struct event_ring_data eq_data = { {0} };
3180 u16 flags;
3181
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003182 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003183 /* reset IGU PF statistics: MSIX + ATTN */
3184 /* PF */
3185 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3186 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3187 (CHIP_MODE_IS_4_PORT(bp) ?
3188 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3189 /* ATTN */
3190 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3191 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3192 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
3193 (CHIP_MODE_IS_4_PORT(bp) ?
3194 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3195 }
3196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003197 /* function setup flags */
3198 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
3199
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003200 /* This flag is relevant for E1x only.
3201 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003202 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003203 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003204
3205 func_init.func_flgs = flags;
3206 func_init.pf_id = BP_FUNC(bp);
3207 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003208 func_init.spq_map = bp->spq_mapping;
3209 func_init.spq_prod = bp->spq_prod_idx;
3210
3211 bnx2x_func_init(bp, &func_init);
3212
3213 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3214
3215 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003216 * Congestion management values depend on the link rate
3217 * There is no active link so initial link rate is set to 10 Gbps.
3218 * When the link comes up The congestion management values are
3219 * re-calculated according to the actual link rate.
3220 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003221 bp->link_vars.line_speed = SPEED_10000;
3222 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3223
3224 /* Only the PMF sets the HW */
3225 if (bp->port.pmf)
3226 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3227
Yuval Mintz86564c32013-01-23 03:21:50 +00003228 /* init Event Queue - PCI bus guarantees correct endianity*/
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003229 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3230 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3231 eq_data.producer = bp->eq_prod;
3232 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3233 eq_data.sb_id = DEF_SB_ID;
3234 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3235}
3236
Eilon Greenstein2691d512009-08-12 08:22:08 +00003237static void bnx2x_e1h_disable(struct bnx2x *bp)
3238{
3239 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003240
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003241 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003242
3243 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003244}
3245
3246static void bnx2x_e1h_enable(struct bnx2x *bp)
3247{
3248 int port = BP_PORT(bp);
3249
3250 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3251
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003252 /* Tx queue should be only re-enabled */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003253 netif_tx_wake_all_queues(bp->dev);
3254
Eilon Greenstein061bc702009-10-15 00:18:47 -07003255 /*
3256 * Should not call netif_carrier_on since it will be called if the link
3257 * is up when checking for link state
3258 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003259}
3260
Barak Witkowski1d187b32011-12-05 22:41:50 +00003261#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3262
3263static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3264{
3265 struct eth_stats_info *ether_stat =
3266 &bp->slowpath->drv_info_to_mcp.ether_stat;
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003267 struct bnx2x_vlan_mac_obj *mac_obj =
3268 &bp->sp_objs->mac_obj;
3269 int i;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003270
Dan Carpenter786fdf02012-10-02 01:47:46 +00003271 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3272 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003273
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003274 /* get DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED macs, placing them in the
3275 * mac_local field in ether_stat struct. The base address is offset by 2
3276 * bytes to account for the field being 8 bytes but a mac address is
3277 * only 6 bytes. Likewise, the stride for the get_n_elements function is
3278 * 2 bytes to compensate from the 6 bytes of a mac to the 8 bytes
3279 * allocated by the ether_stat struct, so the macs will land in their
3280 * proper positions.
3281 */
3282 for (i = 0; i < DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED; i++)
3283 memset(ether_stat->mac_local + i, 0,
3284 sizeof(ether_stat->mac_local[0]));
3285 mac_obj->get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3286 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3287 ether_stat->mac_local + MAC_PAD, MAC_PAD,
3288 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003289 ether_stat->mtu_size = bp->dev->mtu;
Barak Witkowski1d187b32011-12-05 22:41:50 +00003290 if (bp->dev->features & NETIF_F_RXCSUM)
3291 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3292 if (bp->dev->features & NETIF_F_TSO)
3293 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3294 ether_stat->feature_flags |= bp->common.boot_mode;
3295
3296 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3297
3298 ether_stat->txq_size = bp->tx_ring_size;
3299 ether_stat->rxq_size = bp->rx_ring_size;
3300}
3301
3302static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3303{
3304 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3305 struct fcoe_stats_info *fcoe_stat =
3306 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3307
Merav Sicron55c11942012-11-07 00:45:48 +00003308 if (!CNIC_LOADED(bp))
3309 return;
3310
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003311 memcpy(fcoe_stat->mac_local + MAC_PAD, bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003312
3313 fcoe_stat->qos_priority =
3314 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3315
3316 /* insert FCoE stats from ramrod response */
3317 if (!NO_FCOE(bp)) {
3318 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003319 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003320 tstorm_queue_statistics;
3321
3322 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003323 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003324 xstorm_queue_statistics;
3325
3326 struct fcoe_statistics_params *fw_fcoe_stat =
3327 &bp->fw_stats_data->fcoe;
3328
Yuval Mintz86564c32013-01-23 03:21:50 +00003329 ADD_64_LE(fcoe_stat->rx_bytes_hi, LE32_0,
3330 fcoe_stat->rx_bytes_lo,
3331 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003332
Yuval Mintz86564c32013-01-23 03:21:50 +00003333 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3334 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3335 fcoe_stat->rx_bytes_lo,
3336 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003337
Yuval Mintz86564c32013-01-23 03:21:50 +00003338 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3339 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3340 fcoe_stat->rx_bytes_lo,
3341 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003342
Yuval Mintz86564c32013-01-23 03:21:50 +00003343 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3344 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3345 fcoe_stat->rx_bytes_lo,
3346 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003347
Yuval Mintz86564c32013-01-23 03:21:50 +00003348 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3349 fcoe_stat->rx_frames_lo,
3350 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003351
Yuval Mintz86564c32013-01-23 03:21:50 +00003352 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3353 fcoe_stat->rx_frames_lo,
3354 fcoe_q_tstorm_stats->rcv_ucast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003355
Yuval Mintz86564c32013-01-23 03:21:50 +00003356 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3357 fcoe_stat->rx_frames_lo,
3358 fcoe_q_tstorm_stats->rcv_bcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003359
Yuval Mintz86564c32013-01-23 03:21:50 +00003360 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3361 fcoe_stat->rx_frames_lo,
3362 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003363
Yuval Mintz86564c32013-01-23 03:21:50 +00003364 ADD_64_LE(fcoe_stat->tx_bytes_hi, LE32_0,
3365 fcoe_stat->tx_bytes_lo,
3366 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003367
Yuval Mintz86564c32013-01-23 03:21:50 +00003368 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3369 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3370 fcoe_stat->tx_bytes_lo,
3371 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003372
Yuval Mintz86564c32013-01-23 03:21:50 +00003373 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3374 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3375 fcoe_stat->tx_bytes_lo,
3376 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003377
Yuval Mintz86564c32013-01-23 03:21:50 +00003378 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3379 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3380 fcoe_stat->tx_bytes_lo,
3381 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003382
Yuval Mintz86564c32013-01-23 03:21:50 +00003383 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3384 fcoe_stat->tx_frames_lo,
3385 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003386
Yuval Mintz86564c32013-01-23 03:21:50 +00003387 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3388 fcoe_stat->tx_frames_lo,
3389 fcoe_q_xstorm_stats->ucast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003390
Yuval Mintz86564c32013-01-23 03:21:50 +00003391 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3392 fcoe_stat->tx_frames_lo,
3393 fcoe_q_xstorm_stats->bcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003394
Yuval Mintz86564c32013-01-23 03:21:50 +00003395 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3396 fcoe_stat->tx_frames_lo,
3397 fcoe_q_xstorm_stats->mcast_pkts_sent);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003398 }
3399
Barak Witkowski1d187b32011-12-05 22:41:50 +00003400 /* ask L5 driver to add data to the struct */
3401 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003402}
3403
3404static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3405{
3406 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3407 struct iscsi_stats_info *iscsi_stat =
3408 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3409
Merav Sicron55c11942012-11-07 00:45:48 +00003410 if (!CNIC_LOADED(bp))
3411 return;
3412
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00003413 memcpy(iscsi_stat->mac_local + MAC_PAD, bp->cnic_eth_dev.iscsi_mac,
3414 ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003415
3416 iscsi_stat->qos_priority =
3417 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3418
Barak Witkowski1d187b32011-12-05 22:41:50 +00003419 /* ask L5 driver to add data to the struct */
3420 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003421}
3422
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003423/* called due to MCP event (on pmf):
3424 * reread new bandwidth configuration
3425 * configure FW
3426 * notify others function about the change
3427 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003428static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003429{
3430 if (bp->link_vars.link_up) {
3431 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3432 bnx2x_link_sync_notify(bp);
3433 }
3434 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3435}
3436
Eric Dumazet1191cb82012-04-27 21:39:21 +00003437static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003438{
3439 bnx2x_config_mf_bw(bp);
3440 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3441}
3442
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003443static void bnx2x_handle_eee_event(struct bnx2x *bp)
3444{
3445 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3446 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3447}
3448
Barak Witkowski1d187b32011-12-05 22:41:50 +00003449static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3450{
3451 enum drv_info_opcode op_code;
3452 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3453
3454 /* if drv_info version supported by MFW doesn't match - send NACK */
3455 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3456 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3457 return;
3458 }
3459
3460 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3461 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3462
3463 memset(&bp->slowpath->drv_info_to_mcp, 0,
3464 sizeof(union drv_info_to_mcp));
3465
3466 switch (op_code) {
3467 case ETH_STATS_OPCODE:
3468 bnx2x_drv_info_ether_stat(bp);
3469 break;
3470 case FCOE_STATS_OPCODE:
3471 bnx2x_drv_info_fcoe_stat(bp);
3472 break;
3473 case ISCSI_STATS_OPCODE:
3474 bnx2x_drv_info_iscsi_stat(bp);
3475 break;
3476 default:
3477 /* if op code isn't supported - send NACK */
3478 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3479 return;
3480 }
3481
3482 /* if we got drv_info attn from MFW then these fields are defined in
3483 * shmem2 for sure
3484 */
3485 SHMEM2_WR(bp, drv_info_host_addr_lo,
3486 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3487 SHMEM2_WR(bp, drv_info_host_addr_hi,
3488 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3489
3490 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3491}
3492
Eilon Greenstein2691d512009-08-12 08:22:08 +00003493static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3494{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003495 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003496
3497 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3498
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003499 /*
3500 * This is the only place besides the function initialization
3501 * where the bp->flags can change so it is done without any
3502 * locks
3503 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003504 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003505 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003506 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003507
3508 bnx2x_e1h_disable(bp);
3509 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003510 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003511 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003512
3513 bnx2x_e1h_enable(bp);
3514 }
3515 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3516 }
3517 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003518 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003519 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3520 }
3521
3522 /* Report results to MCP */
3523 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003524 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003525 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003526 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003527}
3528
Michael Chan28912902009-10-10 13:46:53 +00003529/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003530static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003531{
3532 struct eth_spe *next_spe = bp->spq_prod_bd;
3533
3534 if (bp->spq_prod_bd == bp->spq_last_bd) {
3535 bp->spq_prod_bd = bp->spq;
3536 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003537 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003538 } else {
3539 bp->spq_prod_bd++;
3540 bp->spq_prod_idx++;
3541 }
3542 return next_spe;
3543}
3544
3545/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003546static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003547{
3548 int func = BP_FUNC(bp);
3549
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003550 /*
3551 * Make sure that BD data is updated before writing the producer:
3552 * BD data is written to the memory, the producer is read from the
3553 * memory, thus we need a full memory barrier to ensure the ordering.
3554 */
3555 mb();
Michael Chan28912902009-10-10 13:46:53 +00003556
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003557 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003558 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003559 mmiowb();
3560}
3561
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003562/**
3563 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3564 *
3565 * @cmd: command to check
3566 * @cmd_type: command type
3567 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003568static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003569{
3570 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003571 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003572 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3573 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3574 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3575 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3576 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3577 return true;
3578 else
3579 return false;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003580}
3581
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003582/**
3583 * bnx2x_sp_post - place a single command on an SP ring
3584 *
3585 * @bp: driver handle
3586 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3587 * @cid: SW CID the command is related to
3588 * @data_hi: command private data address (high 32 bits)
3589 * @data_lo: command private data address (low 32 bits)
3590 * @cmd_type: command type (e.g. NONE, ETH)
3591 *
3592 * SP data is handled as if it's always an address pair, thus data fields are
3593 * not swapped to little endian in upper functions. Instead this function swaps
3594 * data as if it's two u32 fields.
3595 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003596int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003597 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598{
Michael Chan28912902009-10-10 13:46:53 +00003599 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003600 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003601 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003602
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003603#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003604 if (unlikely(bp->panic)) {
3605 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003606 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003607 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003608#endif
3609
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003610 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003611
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003612 if (common) {
3613 if (!atomic_read(&bp->eq_spq_left)) {
3614 BNX2X_ERR("BUG! EQ ring full!\n");
3615 spin_unlock_bh(&bp->spq_lock);
3616 bnx2x_panic();
3617 return -EBUSY;
3618 }
3619 } else if (!atomic_read(&bp->cq_spq_left)) {
3620 BNX2X_ERR("BUG! SPQ ring full!\n");
3621 spin_unlock_bh(&bp->spq_lock);
3622 bnx2x_panic();
3623 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003624 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003625
Michael Chan28912902009-10-10 13:46:53 +00003626 spe = bnx2x_sp_get_next(bp);
3627
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003628 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003629 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003630 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3631 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003632
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003633 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003634
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003635 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3636 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003637
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003638 spe->hdr.type = cpu_to_le16(type);
3639
3640 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3641 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3642
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003643 /*
3644 * It's ok if the actual decrement is issued towards the memory
3645 * somewhere between the spin_lock and spin_unlock. Thus no
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003646 * more explicit memory barrier is needed.
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003647 */
3648 if (common)
3649 atomic_dec(&bp->eq_spq_left);
3650 else
3651 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003652
Merav Sicron51c1a582012-03-18 10:33:38 +00003653 DP(BNX2X_MSG_SP,
3654 "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 +00003655 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3656 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003657 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003658 HW_CID(bp, cid), data_hi, data_lo, type,
3659 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003660
Michael Chan28912902009-10-10 13:46:53 +00003661 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003662 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003663 return 0;
3664}
3665
3666/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003667static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003668{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003669 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003670 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003671
3672 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003673 for (j = 0; j < 1000; j++) {
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003674 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, MCPR_ACCESS_LOCK_LOCK);
3675 val = REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK);
3676 if (val & MCPR_ACCESS_LOCK_LOCK)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003677 break;
3678
Yuval Mintz639d65b2013-06-02 00:06:21 +00003679 usleep_range(5000, 10000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003680 }
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003681 if (!(val & MCPR_ACCESS_LOCK_LOCK)) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003682 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003683 rc = -EBUSY;
3684 }
3685
3686 return rc;
3687}
3688
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003689/* release split MCP access lock register */
3690static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003691{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00003692 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003693}
3694
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003695#define BNX2X_DEF_SB_ATT_IDX 0x0001
3696#define BNX2X_DEF_SB_IDX 0x0002
3697
Eric Dumazet1191cb82012-04-27 21:39:21 +00003698static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003699{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003700 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003701 u16 rc = 0;
3702
3703 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003704 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3705 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003707 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003708
3709 if (bp->def_idx != def_sb->sp_sb.running_index) {
3710 bp->def_idx = def_sb->sp_sb.running_index;
3711 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003712 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003713
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003714 /* Do not reorder: indices reading should complete before handling */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003715 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003716 return rc;
3717}
3718
3719/*
3720 * slow path service functions
3721 */
3722
3723static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3724{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003725 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003726 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3727 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003728 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3729 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003730 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003731 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003732 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003733
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003734 if (bp->attn_state & asserted)
3735 BNX2X_ERR("IGU ERROR\n");
3736
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003737 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3738 aeu_mask = REG_RD(bp, aeu_addr);
3739
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003740 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003741 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003742 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003743 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003744
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003745 REG_WR(bp, aeu_addr, aeu_mask);
3746 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003747
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003748 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003749 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003750 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003751
3752 if (asserted & ATTN_HARD_WIRED_MASK) {
3753 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003754
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003755 bnx2x_acquire_phy_lock(bp);
3756
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003757 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003758 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003759
Yaniv Rosner361c3912011-06-14 01:33:19 +00003760 /* If nig_mask is not set, no need to call the update
3761 * function.
3762 */
3763 if (nig_mask) {
3764 REG_WR(bp, nig_int_mask_addr, 0);
3765
3766 bnx2x_link_attn(bp);
3767 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003768
3769 /* handle unicore attn? */
3770 }
3771 if (asserted & ATTN_SW_TIMER_4_FUNC)
3772 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3773
3774 if (asserted & GPIO_2_FUNC)
3775 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3776
3777 if (asserted & GPIO_3_FUNC)
3778 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3779
3780 if (asserted & GPIO_4_FUNC)
3781 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3782
3783 if (port == 0) {
3784 if (asserted & ATTN_GENERAL_ATTN_1) {
3785 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3786 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3787 }
3788 if (asserted & ATTN_GENERAL_ATTN_2) {
3789 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3790 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3791 }
3792 if (asserted & ATTN_GENERAL_ATTN_3) {
3793 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3794 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3795 }
3796 } else {
3797 if (asserted & ATTN_GENERAL_ATTN_4) {
3798 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3799 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3800 }
3801 if (asserted & ATTN_GENERAL_ATTN_5) {
3802 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3803 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3804 }
3805 if (asserted & ATTN_GENERAL_ATTN_6) {
3806 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3807 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3808 }
3809 }
3810
3811 } /* if hardwired */
3812
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003813 if (bp->common.int_block == INT_BLOCK_HC)
3814 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3815 COMMAND_REG_ATTN_BITS_SET);
3816 else
3817 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3818
3819 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3820 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3821 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003822
3823 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003824 if (asserted & ATTN_NIG_FOR_FUNC) {
Yaniv Rosner27c11512012-12-02 04:05:54 +00003825 /* Verify that IGU ack through BAR was written before restoring
3826 * NIG mask. This loop should exit after 2-3 iterations max.
3827 */
3828 if (bp->common.int_block != INT_BLOCK_HC) {
3829 u32 cnt = 0, igu_acked;
3830 do {
3831 igu_acked = REG_RD(bp,
3832 IGU_REG_ATTENTION_ACK_BITS);
3833 } while (((igu_acked & ATTN_NIG_FOR_FUNC) == 0) &&
3834 (++cnt < MAX_IGU_ATTN_ACK_TO));
3835 if (!igu_acked)
3836 DP(NETIF_MSG_HW,
3837 "Failed to verify IGU ack on time\n");
3838 barrier();
3839 }
Eilon Greenstein87942b42009-02-12 08:36:49 +00003840 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003841 bnx2x_release_phy_lock(bp);
3842 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003843}
3844
Eric Dumazet1191cb82012-04-27 21:39:21 +00003845static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003846{
3847 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003848 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003849 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003850 ext_phy_config =
3851 SHMEM_RD(bp,
3852 dev_info.port_hw_config[port].external_phy_config);
3853
3854 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3855 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003856 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003857 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003858
3859 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003860 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3861 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003862
Yuval Mintz16a5fd92013-06-02 00:06:18 +00003863 /* Schedule device reset (unload)
Ariel Elior83048592011-11-13 04:34:29 +00003864 * This is due to some boards consuming sufficient power when driver is
3865 * up to overheat if fan fails.
3866 */
3867 smp_mb__before_clear_bit();
3868 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3869 smp_mb__after_clear_bit();
3870 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003871}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003872
Eric Dumazet1191cb82012-04-27 21:39:21 +00003873static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003874{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003875 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003876 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003877 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003878
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003879 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3880 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003881
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003882 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003883
3884 val = REG_RD(bp, reg_offset);
3885 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3886 REG_WR(bp, reg_offset, val);
3887
3888 BNX2X_ERR("SPIO5 hw attention\n");
3889
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003890 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003891 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003892 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003893 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003894
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003895 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003896 bnx2x_acquire_phy_lock(bp);
3897 bnx2x_handle_module_detect_int(&bp->link_params);
3898 bnx2x_release_phy_lock(bp);
3899 }
3900
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003901 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3902
3903 val = REG_RD(bp, reg_offset);
3904 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3905 REG_WR(bp, reg_offset, val);
3906
3907 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003908 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003909 bnx2x_panic();
3910 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003911}
3912
Eric Dumazet1191cb82012-04-27 21:39:21 +00003913static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003914{
3915 u32 val;
3916
Eilon Greenstein0626b892009-02-12 08:38:14 +00003917 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003918
3919 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3920 BNX2X_ERR("DB hw attention 0x%x\n", val);
3921 /* DORQ discard attention */
3922 if (val & 0x2)
3923 BNX2X_ERR("FATAL error from DORQ\n");
3924 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003925
3926 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3927
3928 int port = BP_PORT(bp);
3929 int reg_offset;
3930
3931 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3932 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3933
3934 val = REG_RD(bp, reg_offset);
3935 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3936 REG_WR(bp, reg_offset, val);
3937
3938 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003939 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003940 bnx2x_panic();
3941 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003942}
3943
Eric Dumazet1191cb82012-04-27 21:39:21 +00003944static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003945{
3946 u32 val;
3947
3948 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3949
3950 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3951 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3952 /* CFC error attention */
3953 if (val & 0x2)
3954 BNX2X_ERR("FATAL error from CFC\n");
3955 }
3956
3957 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003958 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003959 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003960 /* RQ_USDMDP_FIFO_OVERFLOW */
3961 if (val & 0x18000)
3962 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003963
3964 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003965 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3966 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3967 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003968 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003969
3970 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3971
3972 int port = BP_PORT(bp);
3973 int reg_offset;
3974
3975 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3976 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3977
3978 val = REG_RD(bp, reg_offset);
3979 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3980 REG_WR(bp, reg_offset, val);
3981
3982 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003983 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003984 bnx2x_panic();
3985 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003986}
3987
Eric Dumazet1191cb82012-04-27 21:39:21 +00003988static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003989{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003990 u32 val;
3991
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003992 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3993
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003994 if (attn & BNX2X_PMF_LINK_ASSERT) {
3995 int func = BP_FUNC(bp);
3996
3997 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003998 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003999 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
4000 func_mf_config[BP_ABS_FUNC(bp)].config);
4001 val = SHMEM_RD(bp,
4002 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00004003 if (val & DRV_STATUS_DCC_EVENT_MASK)
4004 bnx2x_dcc_event(bp,
4005 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004006
4007 if (val & DRV_STATUS_SET_MF_BW)
4008 bnx2x_set_mf_bw(bp);
4009
Barak Witkowski1d187b32011-12-05 22:41:50 +00004010 if (val & DRV_STATUS_DRV_INFO_REQ)
4011 bnx2x_handle_drv_info_req(bp);
Ariel Eliord16132c2013-01-01 05:22:42 +00004012
4013 if (val & DRV_STATUS_VF_DISABLED)
4014 bnx2x_vf_handle_flr_event(bp);
4015
Eilon Greenstein2691d512009-08-12 08:22:08 +00004016 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004017 bnx2x_pmf_update(bp);
4018
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004019 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00004020 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
4021 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004022 /* start dcbx state machine */
4023 bnx2x_dcbx_set_params(bp,
4024 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00004025 if (val & DRV_STATUS_AFEX_EVENT_MASK)
4026 bnx2x_handle_afex_cmd(bp,
4027 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00004028 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
4029 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00004030 if (bp->link_vars.periodic_flags &
4031 PERIODIC_FLAGS_LINK_EVENT) {
4032 /* sync with link */
4033 bnx2x_acquire_phy_lock(bp);
4034 bp->link_vars.periodic_flags &=
4035 ~PERIODIC_FLAGS_LINK_EVENT;
4036 bnx2x_release_phy_lock(bp);
4037 if (IS_MF(bp))
4038 bnx2x_link_sync_notify(bp);
4039 bnx2x_link_report(bp);
4040 }
4041 /* Always call it here: bnx2x_link_report() will
4042 * prevent the link indication duplication.
4043 */
4044 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004045 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004046
4047 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004048 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004049 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
4050 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
4051 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
4052 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
4053 bnx2x_panic();
4054
4055 } else if (attn & BNX2X_MCP_ASSERT) {
4056
4057 BNX2X_ERR("MCP assert!\n");
4058 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004059 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004060
4061 } else
4062 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
4063 }
4064
4065 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004066 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
4067 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004068 val = CHIP_IS_E1(bp) ? 0 :
4069 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004070 BNX2X_ERR("GRC time-out 0x%08x\n", val);
4071 }
4072 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004073 val = CHIP_IS_E1(bp) ? 0 :
4074 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004075 BNX2X_ERR("GRC reserved 0x%08x\n", val);
4076 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004077 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004078 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004079}
4080
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004081/*
4082 * Bits map:
4083 * 0-7 - Engine0 load counter.
4084 * 8-15 - Engine1 load counter.
4085 * 16 - Engine0 RESET_IN_PROGRESS bit.
4086 * 17 - Engine1 RESET_IN_PROGRESS bit.
4087 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
4088 * on the engine
4089 * 19 - Engine1 ONE_IS_LOADED.
4090 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
4091 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
4092 * just the one belonging to its engine).
4093 *
4094 */
4095#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
4096
4097#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
4098#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
4099#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
4100#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
4101#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
4102#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
4103#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004104
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004105/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004106 * Set the GLOBAL_RESET bit.
4107 *
4108 * Should be run under rtnl lock
4109 */
4110void bnx2x_set_reset_global(struct bnx2x *bp)
4111{
Ariel Eliorf16da432012-01-26 06:01:50 +00004112 u32 val;
4113 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4114 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004115 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00004116 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004117}
4118
4119/*
4120 * Clear the GLOBAL_RESET bit.
4121 *
4122 * Should be run under rtnl lock
4123 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004124static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004125{
Ariel Eliorf16da432012-01-26 06:01:50 +00004126 u32 val;
4127 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4128 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004129 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00004130 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004131}
4132
4133/*
4134 * Checks the GLOBAL_RESET bit.
4135 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004136 * should be run under rtnl lock
4137 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004138static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004139{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00004140 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004141
4142 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
4143 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
4144}
4145
4146/*
4147 * Clear RESET_IN_PROGRESS bit for the current engine.
4148 *
4149 * Should be run under rtnl lock
4150 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004151static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004152{
Ariel Eliorf16da432012-01-26 06:01:50 +00004153 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004154 u32 bit = BP_PATH(bp) ?
4155 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004156 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4157 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004158
4159 /* Clear the bit */
4160 val &= ~bit;
4161 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004162
4163 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004164}
4165
4166/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004167 * Set RESET_IN_PROGRESS for the current engine.
4168 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004169 * should be run under rtnl lock
4170 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004171void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004172{
Ariel Eliorf16da432012-01-26 06:01:50 +00004173 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004174 u32 bit = BP_PATH(bp) ?
4175 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00004176 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4177 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004178
4179 /* Set the bit */
4180 val |= bit;
4181 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004182 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004183}
4184
4185/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004186 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004187 * should be run under rtnl lock
4188 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004189bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004190{
Yuval Mintz3cdeec22013-06-02 00:06:19 +00004191 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004192 u32 bit = engine ?
4193 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4194
4195 /* return false if bit is set */
4196 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004197}
4198
4199/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004200 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004201 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004202 * should be run under rtnl lock
4203 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004204void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004205{
Ariel Eliorf16da432012-01-26 06:01:50 +00004206 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4208 BNX2X_PATH0_LOAD_CNT_MASK;
4209 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4210 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004211
Ariel Eliorf16da432012-01-26 06:01:50 +00004212 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4213 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4214
Merav Sicron51c1a582012-03-18 10:33:38 +00004215 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004216
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004217 /* get the current counter value */
4218 val1 = (val & mask) >> shift;
4219
Ariel Elior889b9af2012-01-26 06:01:51 +00004220 /* set bit of that PF */
4221 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004222
4223 /* clear the old value */
4224 val &= ~mask;
4225
4226 /* set the new one */
4227 val |= ((val1 << shift) & mask);
4228
4229 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004230 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004231}
4232
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004233/**
Ariel Elior889b9af2012-01-26 06:01:51 +00004234 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004235 *
4236 * @bp: driver handle
4237 *
4238 * Should be run under rtnl lock.
4239 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00004240 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004241 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004242bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004243{
Ariel Eliorf16da432012-01-26 06:01:50 +00004244 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004245 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4246 BNX2X_PATH0_LOAD_CNT_MASK;
4247 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4248 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004249
Ariel Eliorf16da432012-01-26 06:01:50 +00004250 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4251 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004252 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004253
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004254 /* get the current counter value */
4255 val1 = (val & mask) >> shift;
4256
Ariel Elior889b9af2012-01-26 06:01:51 +00004257 /* clear bit of that PF */
4258 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004259
4260 /* clear the old value */
4261 val &= ~mask;
4262
4263 /* set the new one */
4264 val |= ((val1 << shift) & mask);
4265
4266 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004267 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4268 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004269}
4270
4271/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004272 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004273 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004274 * should be run under rtnl lock
4275 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004276static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004277{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004278 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4279 BNX2X_PATH0_LOAD_CNT_MASK);
4280 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4281 BNX2X_PATH0_LOAD_CNT_SHIFT);
4282 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4283
Merav Sicron51c1a582012-03-18 10:33:38 +00004284 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004285
4286 val = (val & mask) >> shift;
4287
Merav Sicron51c1a582012-03-18 10:33:38 +00004288 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4289 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004290
Ariel Elior889b9af2012-01-26 06:01:51 +00004291 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004292}
4293
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004294static void _print_parity(struct bnx2x *bp, u32 reg)
4295{
4296 pr_cont(" [0x%08x] ", REG_RD(bp, reg));
4297}
4298
Eric Dumazet1191cb82012-04-27 21:39:21 +00004299static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004300{
Joe Perchesf1deab52011-08-14 12:16:21 +00004301 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004302}
4303
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004304static bool bnx2x_check_blocks_with_parity0(struct bnx2x *bp, u32 sig,
4305 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004306{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004307 u32 cur_bit;
4308 bool res;
4309 int i;
4310
4311 res = false;
4312
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004313 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004314 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004315 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004316 res |= true; /* Each bit is real error! */
4317
4318 if (print) {
4319 switch (cur_bit) {
4320 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
4321 _print_next_block((*par_num)++, "BRB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004322 _print_parity(bp,
4323 BRB1_REG_BRB1_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004324 break;
4325 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
4326 _print_next_block((*par_num)++,
4327 "PARSER");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004328 _print_parity(bp, PRS_REG_PRS_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004329 break;
4330 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
4331 _print_next_block((*par_num)++, "TSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004332 _print_parity(bp,
4333 TSDM_REG_TSDM_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004334 break;
4335 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
4336 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004337 "SEARCHER");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004338 _print_parity(bp, SRC_REG_SRC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004339 break;
4340 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4341 _print_next_block((*par_num)++, "TCM");
4342 _print_parity(bp, TCM_REG_TCM_PRTY_STS);
4343 break;
4344 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
4345 _print_next_block((*par_num)++,
4346 "TSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004347 _print_parity(bp,
4348 TSEM_REG_TSEM_PRTY_STS_0);
4349 _print_parity(bp,
4350 TSEM_REG_TSEM_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004351 break;
4352 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4353 _print_next_block((*par_num)++, "XPB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004354 _print_parity(bp, GRCBASE_XPB +
4355 PB_REG_PB_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004356 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004357 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004358 }
4359
4360 /* Clear the bit */
4361 sig &= ~cur_bit;
4362 }
4363 }
4364
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004365 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004366}
4367
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004368static bool bnx2x_check_blocks_with_parity1(struct bnx2x *bp, u32 sig,
4369 int *par_num, bool *global,
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004370 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004371{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004372 u32 cur_bit;
4373 bool res;
4374 int i;
4375
4376 res = false;
4377
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004378 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004379 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004380 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004381 res |= true; /* Each bit is real error! */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004383 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004384 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004385 _print_next_block((*par_num)++, "PBF");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004386 _print_parity(bp, PBF_REG_PBF_PRTY_STS);
4387 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004388 break;
4389 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004390 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004391 _print_next_block((*par_num)++, "QM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004392 _print_parity(bp, QM_REG_QM_PRTY_STS);
4393 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004394 break;
4395 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004396 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004397 _print_next_block((*par_num)++, "TM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004398 _print_parity(bp, TM_REG_TM_PRTY_STS);
4399 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004400 break;
4401 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004402 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004403 _print_next_block((*par_num)++, "XSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004404 _print_parity(bp,
4405 XSDM_REG_XSDM_PRTY_STS);
4406 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004407 break;
4408 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004409 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004410 _print_next_block((*par_num)++, "XCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004411 _print_parity(bp, XCM_REG_XCM_PRTY_STS);
4412 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004413 break;
4414 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004415 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004416 _print_next_block((*par_num)++,
4417 "XSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004418 _print_parity(bp,
4419 XSEM_REG_XSEM_PRTY_STS_0);
4420 _print_parity(bp,
4421 XSEM_REG_XSEM_PRTY_STS_1);
4422 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004423 break;
4424 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004425 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004426 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004427 "DOORBELLQ");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004428 _print_parity(bp,
4429 DORQ_REG_DORQ_PRTY_STS);
4430 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004431 break;
4432 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004433 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004434 _print_next_block((*par_num)++, "NIG");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004435 if (CHIP_IS_E1x(bp)) {
4436 _print_parity(bp,
4437 NIG_REG_NIG_PRTY_STS);
4438 } else {
4439 _print_parity(bp,
4440 NIG_REG_NIG_PRTY_STS_0);
4441 _print_parity(bp,
4442 NIG_REG_NIG_PRTY_STS_1);
4443 }
4444 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004445 break;
4446 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004447 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004448 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004449 "VAUX PCI CORE");
4450 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004451 break;
4452 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004453 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004454 _print_next_block((*par_num)++,
4455 "DEBUG");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004456 _print_parity(bp, DBG_REG_DBG_PRTY_STS);
4457 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004458 break;
4459 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004460 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004461 _print_next_block((*par_num)++, "USDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004462 _print_parity(bp,
4463 USDM_REG_USDM_PRTY_STS);
4464 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004465 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004466 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004467 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004468 _print_next_block((*par_num)++, "UCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004469 _print_parity(bp, UCM_REG_UCM_PRTY_STS);
4470 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004471 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004472 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004473 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004474 _print_next_block((*par_num)++,
4475 "USEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004476 _print_parity(bp,
4477 USEM_REG_USEM_PRTY_STS_0);
4478 _print_parity(bp,
4479 USEM_REG_USEM_PRTY_STS_1);
4480 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004481 break;
4482 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004483 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004484 _print_next_block((*par_num)++, "UPB");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004485 _print_parity(bp, GRCBASE_UPB +
4486 PB_REG_PB_PRTY_STS);
4487 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004488 break;
4489 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004490 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004491 _print_next_block((*par_num)++, "CSDM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004492 _print_parity(bp,
4493 CSDM_REG_CSDM_PRTY_STS);
4494 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004495 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004496 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004497 if (print) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004498 _print_next_block((*par_num)++, "CCM");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004499 _print_parity(bp, CCM_REG_CCM_PRTY_STS);
4500 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004501 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004502 }
4503
4504 /* Clear the bit */
4505 sig &= ~cur_bit;
4506 }
4507 }
4508
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004509 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004510}
4511
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004512static bool bnx2x_check_blocks_with_parity2(struct bnx2x *bp, u32 sig,
4513 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004514{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004515 u32 cur_bit;
4516 bool res;
4517 int i;
4518
4519 res = false;
4520
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004521 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004522 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004523 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004524 res |= true; /* Each bit is real error! */
4525 if (print) {
4526 switch (cur_bit) {
4527 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
4528 _print_next_block((*par_num)++,
4529 "CSEMI");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004530 _print_parity(bp,
4531 CSEM_REG_CSEM_PRTY_STS_0);
4532 _print_parity(bp,
4533 CSEM_REG_CSEM_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004534 break;
4535 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
4536 _print_next_block((*par_num)++, "PXP");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004537 _print_parity(bp, PXP_REG_PXP_PRTY_STS);
4538 _print_parity(bp,
4539 PXP2_REG_PXP2_PRTY_STS_0);
4540 _print_parity(bp,
4541 PXP2_REG_PXP2_PRTY_STS_1);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004542 break;
4543 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
4544 _print_next_block((*par_num)++,
4545 "PXPPCICLOCKCLIENT");
4546 break;
4547 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
4548 _print_next_block((*par_num)++, "CFC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004549 _print_parity(bp,
4550 CFC_REG_CFC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004551 break;
4552 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
4553 _print_next_block((*par_num)++, "CDU");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004554 _print_parity(bp, CDU_REG_CDU_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004555 break;
4556 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4557 _print_next_block((*par_num)++, "DMAE");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004558 _print_parity(bp,
4559 DMAE_REG_DMAE_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004560 break;
4561 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
4562 _print_next_block((*par_num)++, "IGU");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004563 if (CHIP_IS_E1x(bp))
4564 _print_parity(bp,
4565 HC_REG_HC_PRTY_STS);
4566 else
4567 _print_parity(bp,
4568 IGU_REG_IGU_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004569 break;
4570 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
4571 _print_next_block((*par_num)++, "MISC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004572 _print_parity(bp,
4573 MISC_REG_MISC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004574 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004575 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004576 }
4577
4578 /* Clear the bit */
4579 sig &= ~cur_bit;
4580 }
4581 }
4582
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004583 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004584}
4585
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004586static bool bnx2x_check_blocks_with_parity3(struct bnx2x *bp, u32 sig,
4587 int *par_num, bool *global,
4588 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004589{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004590 bool res = false;
4591 u32 cur_bit;
4592 int i;
4593
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004594 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004595 cur_bit = (0x1UL << i);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004596 if (sig & cur_bit) {
4597 switch (cur_bit) {
4598 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004599 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004600 _print_next_block((*par_num)++,
4601 "MCP ROM");
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004602 *global = true;
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004603 res |= true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004604 break;
4605 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004606 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004607 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004608 "MCP UMP RX");
4609 *global = true;
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004610 res |= true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004611 break;
4612 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004613 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004614 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004615 "MCP UMP TX");
4616 *global = true;
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004617 res |= true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004618 break;
4619 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004620 if (print)
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004621 _print_next_block((*par_num)++,
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004622 "MCP SCPAD");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004623 /* clear latched SCPAD PATIRY from MCP */
4624 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL,
4625 1UL << 10);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004626 break;
4627 }
4628
4629 /* Clear the bit */
4630 sig &= ~cur_bit;
4631 }
4632 }
4633
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004634 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004635}
4636
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004637static bool bnx2x_check_blocks_with_parity4(struct bnx2x *bp, u32 sig,
4638 int *par_num, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004639{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004640 u32 cur_bit;
4641 bool res;
4642 int i;
4643
4644 res = false;
4645
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004646 for (i = 0; sig; i++) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004647 cur_bit = (0x1UL << i);
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004648 if (sig & cur_bit) {
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004649 res |= true; /* Each bit is real error! */
4650 if (print) {
4651 switch (cur_bit) {
4652 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4653 _print_next_block((*par_num)++,
4654 "PGLUE_B");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004655 _print_parity(bp,
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004656 PGLUE_B_REG_PGLUE_B_PRTY_STS);
4657 break;
4658 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4659 _print_next_block((*par_num)++, "ATC");
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004660 _print_parity(bp,
4661 ATC_REG_ATC_PRTY_STS);
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004662 break;
Yuval Mintz6bf07b82013-06-02 00:06:20 +00004663 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004664 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004665 /* Clear the bit */
4666 sig &= ~cur_bit;
4667 }
4668 }
4669
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004670 return res;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004671}
4672
Eric Dumazet1191cb82012-04-27 21:39:21 +00004673static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4674 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004675{
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004676 bool res = false;
4677
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004678 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4679 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4680 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4681 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4682 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004683 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004684 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4685 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004686 sig[0] & HW_PRTY_ASSERT_SET_0,
4687 sig[1] & HW_PRTY_ASSERT_SET_1,
4688 sig[2] & HW_PRTY_ASSERT_SET_2,
4689 sig[3] & HW_PRTY_ASSERT_SET_3,
4690 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004691 if (print)
4692 netdev_err(bp->dev,
4693 "Parity errors detected in blocks: ");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004694 res |= bnx2x_check_blocks_with_parity0(bp,
4695 sig[0] & HW_PRTY_ASSERT_SET_0, &par_num, print);
4696 res |= bnx2x_check_blocks_with_parity1(bp,
4697 sig[1] & HW_PRTY_ASSERT_SET_1, &par_num, global, print);
4698 res |= bnx2x_check_blocks_with_parity2(bp,
4699 sig[2] & HW_PRTY_ASSERT_SET_2, &par_num, print);
4700 res |= bnx2x_check_blocks_with_parity3(bp,
4701 sig[3] & HW_PRTY_ASSERT_SET_3, &par_num, global, print);
4702 res |= bnx2x_check_blocks_with_parity4(bp,
4703 sig[4] & HW_PRTY_ASSERT_SET_4, &par_num, print);
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004704
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004705 if (print)
4706 pr_cont("\n");
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004707 }
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004708
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02004709 return res;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004710}
4711
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004712/**
4713 * bnx2x_chk_parity_attn - checks for parity attentions.
4714 *
4715 * @bp: driver handle
4716 * @global: true if there was a global attention
4717 * @print: show parity attention in syslog
4718 */
4719bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004720{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004721 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004722 int port = BP_PORT(bp);
4723
4724 attn.sig[0] = REG_RD(bp,
4725 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4726 port*4);
4727 attn.sig[1] = REG_RD(bp,
4728 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4729 port*4);
4730 attn.sig[2] = REG_RD(bp,
4731 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4732 port*4);
4733 attn.sig[3] = REG_RD(bp,
4734 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4735 port*4);
Yuval Mintz0a5ccb72013-09-23 10:12:54 +03004736 /* Since MCP attentions can't be disabled inside the block, we need to
4737 * read AEU registers to see whether they're currently disabled
4738 */
4739 attn.sig[3] &= ((REG_RD(bp,
4740 !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0
4741 : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) &
4742 MISC_AEU_ENABLE_MCP_PRTY_BITS) |
4743 ~MISC_AEU_ENABLE_MCP_PRTY_BITS);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004744
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004745 if (!CHIP_IS_E1x(bp))
4746 attn.sig[4] = REG_RD(bp,
4747 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4748 port*4);
4749
4750 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004751}
4752
Eric Dumazet1191cb82012-04-27 21:39:21 +00004753static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004754{
4755 u32 val;
4756 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4757
4758 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4759 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4760 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004761 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004762 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004763 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004764 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004765 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004766 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004767 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004768 if (val &
4769 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004770 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004771 if (val &
4772 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004773 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004774 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004775 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004776 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004777 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004778 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004779 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004780 }
4781 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4782 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4783 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4784 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4785 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4786 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004787 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004788 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004789 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004790 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004791 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004792 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4793 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4794 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004795 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004796 }
4797
4798 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4799 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4800 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4801 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4802 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4803 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004804}
4805
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004806static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4807{
4808 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004809 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004810 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811 u32 reg_addr;
4812 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004813 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004814 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004815
4816 /* need to take HW lock because MCP or other port might also
4817 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004818 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004819
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004820 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4821#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004822 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004823 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004824 /* Disable HW interrupts */
4825 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004826 /* In case of parity errors don't handle attentions so that
4827 * other function would "see" parity errors.
4828 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004829#else
4830 bnx2x_panic();
4831#endif
4832 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004833 return;
4834 }
4835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004836 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4837 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4838 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4839 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004840 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004841 attn.sig[4] =
4842 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4843 else
4844 attn.sig[4] = 0;
4845
4846 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4847 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004848
4849 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4850 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004851 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004852
Merav Sicron51c1a582012-03-18 10:33:38 +00004853 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004854 index,
4855 group_mask->sig[0], group_mask->sig[1],
4856 group_mask->sig[2], group_mask->sig[3],
4857 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004858
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004859 bnx2x_attn_int_deasserted4(bp,
4860 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004861 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004862 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004863 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004864 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004865 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004866 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004867 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004868 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004869 }
4870 }
4871
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004872 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004873
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004874 if (bp->common.int_block == INT_BLOCK_HC)
4875 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4876 COMMAND_REG_ATTN_BITS_CLR);
4877 else
4878 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004879
4880 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004881 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4882 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004883 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004885 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004886 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004887
4888 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4889 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4890
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004891 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4892 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004893
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004894 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4895 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004896 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004897 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4898
4899 REG_WR(bp, reg_addr, aeu_mask);
4900 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004901
4902 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4903 bp->attn_state &= ~deasserted;
4904 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4905}
4906
4907static void bnx2x_attn_int(struct bnx2x *bp)
4908{
4909 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004910 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4911 attn_bits);
4912 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4913 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004914 u32 attn_state = bp->attn_state;
4915
4916 /* look for changed bits */
4917 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4918 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4919
4920 DP(NETIF_MSG_HW,
4921 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4922 attn_bits, attn_ack, asserted, deasserted);
4923
4924 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004925 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004926
4927 /* handle bits that were raised */
4928 if (asserted)
4929 bnx2x_attn_int_asserted(bp, asserted);
4930
4931 if (deasserted)
4932 bnx2x_attn_int_deasserted(bp, deasserted);
4933}
4934
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004935void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4936 u16 index, u8 op, u8 update)
4937{
Ariel Eliordc1ba592013-01-01 05:22:30 +00004938 u32 igu_addr = bp->igu_base_addr;
4939 igu_addr += (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004940 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4941 igu_addr);
4942}
4943
Eric Dumazet1191cb82012-04-27 21:39:21 +00004944static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004945{
4946 /* No memory barriers */
4947 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4948 mmiowb(); /* keep prod updates ordered */
4949}
4950
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004951static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4952 union event_ring_elem *elem)
4953{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004954 u8 err = elem->message.error;
4955
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004956 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004957 (cid < bp->cnic_eth_dev.starting_cid &&
4958 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004959 return 1;
4960
4961 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4962
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004963 if (unlikely(err)) {
4964
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004965 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4966 cid);
Yuval Mintz823e1d92013-01-14 05:11:47 +00004967 bnx2x_panic_dump(bp, false);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004968 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004969 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004970 return 0;
4971}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004972
Eric Dumazet1191cb82012-04-27 21:39:21 +00004973static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004974{
4975 struct bnx2x_mcast_ramrod_params rparam;
4976 int rc;
4977
4978 memset(&rparam, 0, sizeof(rparam));
4979
4980 rparam.mcast_obj = &bp->mcast_obj;
4981
4982 netif_addr_lock_bh(bp->dev);
4983
4984 /* Clear pending state for the last command */
4985 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4986
4987 /* If there are pending mcast commands - send them */
4988 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4989 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4990 if (rc < 0)
4991 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4992 rc);
4993 }
4994
4995 netif_addr_unlock_bh(bp->dev);
4996}
4997
Eric Dumazet1191cb82012-04-27 21:39:21 +00004998static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4999 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005000{
5001 unsigned long ramrod_flags = 0;
5002 int rc = 0;
5003 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
5004 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
5005
5006 /* Always push next commands out, don't wait here */
5007 __set_bit(RAMROD_CONT, &ramrod_flags);
5008
Yuval Mintz86564c32013-01-23 03:21:50 +00005009 switch (le32_to_cpu((__force __le32)elem->message.data.eth_event.echo)
5010 >> BNX2X_SWCID_SHIFT) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005011 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00005012 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00005013 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005014 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
5015 else
Barak Witkowski15192a82012-06-19 07:48:28 +00005016 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005017
5018 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005019 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00005020 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005021 /* This is only relevant for 57710 where multicast MACs are
5022 * configured as unicast MACs using the same ramrod.
5023 */
5024 bnx2x_handle_mcast_eqe(bp);
5025 return;
5026 default:
5027 BNX2X_ERR("Unsupported classification command: %d\n",
5028 elem->message.data.eth_event.echo);
5029 return;
5030 }
5031
5032 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
5033
5034 if (rc < 0)
5035 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
5036 else if (rc > 0)
5037 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005038}
5039
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005040static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005041
Eric Dumazet1191cb82012-04-27 21:39:21 +00005042static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005043{
5044 netif_addr_lock_bh(bp->dev);
5045
5046 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5047
5048 /* Send rx_mode command again if was requested */
5049 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
5050 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005051 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
5052 &bp->sp_state))
5053 bnx2x_set_iscsi_eth_rx_mode(bp, true);
5054 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
5055 &bp->sp_state))
5056 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005057
5058 netif_addr_unlock_bh(bp->dev);
5059}
5060
Eric Dumazet1191cb82012-04-27 21:39:21 +00005061static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00005062 union event_ring_elem *elem)
5063{
5064 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
5065 DP(BNX2X_MSG_SP,
5066 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
5067 elem->message.data.vif_list_event.func_bit_map);
5068 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
5069 elem->message.data.vif_list_event.func_bit_map);
5070 } else if (elem->message.data.vif_list_event.echo ==
5071 VIF_LIST_RULE_SET) {
5072 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
5073 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
5074 }
5075}
5076
5077/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005078static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00005079{
5080 int q, rc;
5081 struct bnx2x_fastpath *fp;
5082 struct bnx2x_queue_state_params queue_params = {NULL};
5083 struct bnx2x_queue_update_params *q_update_params =
5084 &queue_params.params.update;
5085
Yuval Mintz2de67432013-01-23 03:21:43 +00005086 /* Send Q update command with afex vlan removal values for all Qs */
Barak Witkowskia3348722012-04-23 03:04:46 +00005087 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
5088
5089 /* set silent vlan removal values according to vlan mode */
5090 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
5091 &q_update_params->update_flags);
5092 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
5093 &q_update_params->update_flags);
5094 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5095
5096 /* in access mode mark mask and value are 0 to strip all vlans */
5097 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
5098 q_update_params->silent_removal_value = 0;
5099 q_update_params->silent_removal_mask = 0;
5100 } else {
5101 q_update_params->silent_removal_value =
5102 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
5103 q_update_params->silent_removal_mask = VLAN_VID_MASK;
5104 }
5105
5106 for_each_eth_queue(bp, q) {
5107 /* Set the appropriate Queue object */
5108 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00005109 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00005110
5111 /* send the ramrod */
5112 rc = bnx2x_queue_state_change(bp, &queue_params);
5113 if (rc < 0)
5114 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5115 q);
5116 }
5117
Yuval Mintzfea75642013-04-10 13:34:39 +03005118 if (!NO_FCOE(bp) && CNIC_ENABLED(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00005119 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00005120 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00005121
5122 /* clear pending completion bit */
5123 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5124
5125 /* mark latest Q bit */
5126 smp_mb__before_clear_bit();
5127 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
5128 smp_mb__after_clear_bit();
5129
5130 /* send Q update ramrod for FCoE Q */
5131 rc = bnx2x_queue_state_change(bp, &queue_params);
5132 if (rc < 0)
5133 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5134 q);
5135 } else {
5136 /* If no FCoE ring - ACK MCP now */
5137 bnx2x_link_report(bp);
5138 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5139 }
Barak Witkowskia3348722012-04-23 03:04:46 +00005140}
5141
Eric Dumazet1191cb82012-04-27 21:39:21 +00005142static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005143 struct bnx2x *bp, u32 cid)
5144{
Joe Perches94f05b02011-08-14 12:16:20 +00005145 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00005146
5147 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00005148 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005149 else
Barak Witkowski15192a82012-06-19 07:48:28 +00005150 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005151}
5152
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005153static void bnx2x_eq_int(struct bnx2x *bp)
5154{
5155 u16 hw_cons, sw_cons, sw_prod;
5156 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00005157 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005158 u32 cid;
5159 u8 opcode;
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005160 int rc, spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005161 struct bnx2x_queue_sp_obj *q_obj;
5162 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
5163 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005164
5165 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
5166
5167 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005168 * when we get the next-page we need to adjust so the loop
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005169 * condition below will be met. The next element is the size of a
5170 * regular element and hence incrementing by 1
5171 */
5172 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
5173 hw_cons++;
5174
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005175 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005176 * specific bp, thus there is no need in "paired" read memory
5177 * barrier here.
5178 */
5179 sw_cons = bp->eq_cons;
5180 sw_prod = bp->eq_prod;
5181
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005182 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005183 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005184
5185 for (; sw_cons != hw_cons;
5186 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
5187
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005188 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
5189
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005190 rc = bnx2x_iov_eq_sp_event(bp, elem);
5191 if (!rc) {
5192 DP(BNX2X_MSG_IOV, "bnx2x_iov_eq_sp_event returned %d\n",
5193 rc);
5194 goto next_spqe;
5195 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005196
Yuval Mintz86564c32013-01-23 03:21:50 +00005197 /* elem CID originates from FW; actually LE */
5198 cid = SW_CID((__force __le32)
5199 elem->message.data.cfc_del_event.cid);
5200 opcode = elem->message.opcode;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005201
5202 /* handle eq element */
5203 switch (opcode) {
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005204 case EVENT_RING_OPCODE_VF_PF_CHANNEL:
5205 DP(BNX2X_MSG_IOV, "vf pf channel element on eq\n");
5206 bnx2x_vf_mbx(bp, &elem->message.data.vf_pf_event);
5207 continue;
5208
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005209 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00005210 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
5211 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005212 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005213 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005214 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005215
5216 case EVENT_RING_OPCODE_CFC_DEL:
5217 /* handle according to cid range */
5218 /*
5219 * we may want to verify here that the bp state is
5220 * HALTING
5221 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005222 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005223 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00005224
5225 if (CNIC_LOADED(bp) &&
5226 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005227 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005228
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005229 q_obj = bnx2x_cid_to_q_obj(bp, cid);
5230
5231 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
5232 break;
5233
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005234 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005235
5236 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005237 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02005238 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005239 if (f_obj->complete_cmd(bp, f_obj,
5240 BNX2X_F_CMD_TX_STOP))
5241 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005242 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005243
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005244 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00005245 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02005246 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005247 if (f_obj->complete_cmd(bp, f_obj,
5248 BNX2X_F_CMD_TX_START))
5249 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005250 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00005251
Barak Witkowskia3348722012-04-23 03:04:46 +00005252 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00005253 echo = elem->message.data.function_update_event.echo;
5254 if (echo == SWITCH_UPDATE) {
5255 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5256 "got FUNC_SWITCH_UPDATE ramrod\n");
5257 if (f_obj->complete_cmd(
5258 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
5259 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00005260
Merav Sicron55c11942012-11-07 00:45:48 +00005261 } else {
5262 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
5263 "AFEX: ramrod completed FUNCTION_UPDATE\n");
5264 f_obj->complete_cmd(bp, f_obj,
5265 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00005266
Merav Sicron55c11942012-11-07 00:45:48 +00005267 /* We will perform the Queues update from
5268 * sp_rtnl task as all Queue SP operations
5269 * should run under rtnl_lock.
5270 */
5271 smp_mb__before_clear_bit();
5272 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
5273 &bp->sp_rtnl_state);
5274 smp_mb__after_clear_bit();
5275
5276 schedule_delayed_work(&bp->sp_rtnl_task, 0);
5277 }
5278
Barak Witkowskia3348722012-04-23 03:04:46 +00005279 goto next_spqe;
5280
5281 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
5282 f_obj->complete_cmd(bp, f_obj,
5283 BNX2X_F_CMD_AFEX_VIFLISTS);
5284 bnx2x_after_afex_vif_lists(bp, elem);
5285 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005286 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00005287 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5288 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005289 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
5290 break;
5291
5292 goto next_spqe;
5293
5294 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00005295 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5296 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005297 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
5298 break;
5299
5300 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005301 }
5302
5303 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005304 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5305 BNX2X_STATE_OPEN):
5306 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005307 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005308 cid = elem->message.data.eth_event.echo &
5309 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005310 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005311 cid);
5312 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005313 break;
5314
5315 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
5316 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005317 case (EVENT_RING_OPCODE_SET_MAC |
5318 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005319 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5320 BNX2X_STATE_OPEN):
5321 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5322 BNX2X_STATE_DIAG):
5323 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5324 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005325 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005326 bnx2x_handle_classification_eqe(bp, elem);
5327 break;
5328
5329 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5330 BNX2X_STATE_OPEN):
5331 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5332 BNX2X_STATE_DIAG):
5333 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5334 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005335 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005336 bnx2x_handle_mcast_eqe(bp);
5337 break;
5338
5339 case (EVENT_RING_OPCODE_FILTERS_RULES |
5340 BNX2X_STATE_OPEN):
5341 case (EVENT_RING_OPCODE_FILTERS_RULES |
5342 BNX2X_STATE_DIAG):
5343 case (EVENT_RING_OPCODE_FILTERS_RULES |
5344 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005345 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005346 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005347 break;
5348 default:
5349 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005350 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
5351 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005352 }
5353next_spqe:
5354 spqe_cnt++;
5355 } /* for */
5356
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00005357 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005358 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005359
5360 bp->eq_cons = sw_cons;
5361 bp->eq_prod = sw_prod;
5362 /* Make sure that above mem writes were issued towards the memory */
5363 smp_wmb();
5364
5365 /* update producer */
5366 bnx2x_update_eq_prod(bp, bp->eq_prod);
5367}
5368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005369static void bnx2x_sp_task(struct work_struct *work)
5370{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005371 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005372
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005373 DP(BNX2X_MSG_SP, "sp task invoked\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005374
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005375 /* make sure the atomic interrupt_occurred has been written */
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005376 smp_rmb();
5377 if (atomic_read(&bp->interrupt_occurred)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005378
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005379 /* what work needs to be performed? */
5380 u16 status = bnx2x_update_dsb_idx(bp);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005381
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005382 DP(BNX2X_MSG_SP, "status %x\n", status);
5383 DP(BNX2X_MSG_SP, "setting interrupt_occurred to 0\n");
5384 atomic_set(&bp->interrupt_occurred, 0);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005385
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005386 /* HW attentions */
5387 if (status & BNX2X_DEF_SB_ATT_IDX) {
5388 bnx2x_attn_int(bp);
5389 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005390 }
Merav Sicron55c11942012-11-07 00:45:48 +00005391
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005392 /* SP events: STAT_QUERY and others */
5393 if (status & BNX2X_DEF_SB_IDX) {
5394 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005395
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005396 if (FCOE_INIT(bp) &&
5397 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5398 /* Prevent local bottom-halves from running as
5399 * we are going to change the local NAPI list.
5400 */
5401 local_bh_disable();
5402 napi_schedule(&bnx2x_fcoe(bp, napi));
5403 local_bh_enable();
5404 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005406 /* Handle EQ completions */
5407 bnx2x_eq_int(bp);
5408 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5409 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5410
5411 status &= ~BNX2X_DEF_SB_IDX;
5412 }
5413
5414 /* if status is non zero then perhaps something went wrong */
5415 if (unlikely(status))
5416 DP(BNX2X_MSG_SP,
5417 "got an unknown interrupt! (status 0x%x)\n", status);
5418
5419 /* ack status block only if something was actually handled */
5420 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5421 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005422 }
5423
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005424 /* must be called after the EQ processing (since eq leads to sriov
5425 * ramrod completion flows).
5426 * This flow may have been scheduled by the arrival of a ramrod
5427 * completion, or by the sriov code rescheduling itself.
5428 */
5429 bnx2x_iov_sp_task(bp);
Barak Witkowskia3348722012-04-23 03:04:46 +00005430
5431 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5432 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5433 &bp->sp_state)) {
5434 bnx2x_link_report(bp);
5435 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437}
5438
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005439irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440{
5441 struct net_device *dev = dev_instance;
5442 struct bnx2x *bp = netdev_priv(dev);
5443
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005444 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5445 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005446
5447#ifdef BNX2X_STOP_ON_ERROR
5448 if (unlikely(bp->panic))
5449 return IRQ_HANDLED;
5450#endif
5451
Merav Sicron55c11942012-11-07 00:45:48 +00005452 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005453 struct cnic_ops *c_ops;
5454
5455 rcu_read_lock();
5456 c_ops = rcu_dereference(bp->cnic_ops);
5457 if (c_ops)
5458 c_ops->cnic_handler(bp->cnic_data, NULL);
5459 rcu_read_unlock();
5460 }
Merav Sicron55c11942012-11-07 00:45:48 +00005461
Ariel Eliorfd1fc792013-01-01 05:22:33 +00005462 /* schedule sp task to perform default status block work, ack
5463 * attentions and enable interrupts.
5464 */
5465 bnx2x_schedule_sp_task(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005466
5467 return IRQ_HANDLED;
5468}
5469
5470/* end of slow path */
5471
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005472void bnx2x_drv_pulse(struct bnx2x *bp)
5473{
5474 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5475 bp->fw_drv_pulse_wr_seq);
5476}
5477
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005478static void bnx2x_timer(unsigned long data)
5479{
5480 struct bnx2x *bp = (struct bnx2x *) data;
5481
5482 if (!netif_running(bp->dev))
5483 return;
5484
Ariel Elior67c431a2013-01-01 05:22:36 +00005485 if (IS_PF(bp) &&
5486 !BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005487 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein4c868662013-09-23 10:12:50 +03005488 u16 drv_pulse;
5489 u16 mcp_pulse;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490
5491 ++bp->fw_drv_pulse_wr_seq;
5492 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005493 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005494 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005496 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005497 MCP_PULSE_SEQ_MASK);
5498 /* The delta between driver pulse and mcp response
Eilon Greenstein4c868662013-09-23 10:12:50 +03005499 * should not get too big. If the MFW is more than 5 pulses
5500 * behind, we should worry about it enough to generate an error
5501 * log.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005502 */
Eilon Greenstein4c868662013-09-23 10:12:50 +03005503 if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5)
5504 BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005505 drv_pulse, mcp_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506 }
5507
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005508 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005509 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005510
Ariel Eliorabc5a022013-01-01 05:22:43 +00005511 /* sample pf vf bulletin board for new posts from pf */
Yuval Mintz371734882013-06-24 11:04:10 +03005512 if (IS_VF(bp))
5513 bnx2x_timer_sriov(bp);
Ariel Elior78c3bcc2013-06-20 17:39:08 +03005514
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005515 mod_timer(&bp->timer, jiffies + bp->current_interval);
5516}
5517
5518/* end of Statistics */
5519
5520/* nic init */
5521
5522/*
5523 * nic init service functions
5524 */
5525
Eric Dumazet1191cb82012-04-27 21:39:21 +00005526static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005527{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005528 u32 i;
5529 if (!(len%4) && !(addr%4))
5530 for (i = 0; i < len; i += 4)
5531 REG_WR(bp, addr + i, fill);
5532 else
5533 for (i = 0; i < len; i++)
5534 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535}
5536
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005537/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005538static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5539 int fw_sb_id,
5540 u32 *sb_data_p,
5541 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005542{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005543 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005544 for (index = 0; index < data_size; index++)
5545 REG_WR(bp, BAR_CSTRORM_INTMEM +
5546 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5547 sizeof(u32)*index,
5548 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005549}
5550
Eric Dumazet1191cb82012-04-27 21:39:21 +00005551static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005552{
5553 u32 *sb_data_p;
5554 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005555 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005556 struct hc_status_block_data_e1x sb_data_e1x;
5557
5558 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005559 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005560 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005561 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005562 sb_data_e2.common.p_func.vf_valid = false;
5563 sb_data_p = (u32 *)&sb_data_e2;
5564 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5565 } else {
5566 memset(&sb_data_e1x, 0,
5567 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005568 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005569 sb_data_e1x.common.p_func.vf_valid = false;
5570 sb_data_p = (u32 *)&sb_data_e1x;
5571 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5572 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005573 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5574
5575 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5576 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5577 CSTORM_STATUS_BLOCK_SIZE);
5578 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5579 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5580 CSTORM_SYNC_BLOCK_SIZE);
5581}
5582
5583/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005584static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005585 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005586{
5587 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005588 int i;
5589 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5590 REG_WR(bp, BAR_CSTRORM_INTMEM +
5591 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5592 i*sizeof(u32),
5593 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005594}
5595
Eric Dumazet1191cb82012-04-27 21:39:21 +00005596static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005597{
5598 int func = BP_FUNC(bp);
5599 struct hc_sp_status_block_data sp_sb_data;
5600 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5601
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005602 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005603 sp_sb_data.p_func.vf_valid = false;
5604
5605 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5606
5607 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5608 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5609 CSTORM_SP_STATUS_BLOCK_SIZE);
5610 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5611 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5612 CSTORM_SP_SYNC_BLOCK_SIZE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005613}
5614
Eric Dumazet1191cb82012-04-27 21:39:21 +00005615static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 int igu_sb_id, int igu_seg_id)
5617{
5618 hc_sm->igu_sb_id = igu_sb_id;
5619 hc_sm->igu_seg_id = igu_seg_id;
5620 hc_sm->timer_value = 0xFF;
5621 hc_sm->time_to_expire = 0xFFFFFFFF;
5622}
5623
David S. Miller8decf862011-09-22 03:23:13 -04005624/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005625static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005626{
5627 /* zero out state machine indices */
5628 /* rx indices */
5629 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5630
5631 /* tx indices */
5632 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5633 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5634 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5635 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5636
5637 /* map indices */
5638 /* rx indices */
5639 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5640 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5641
5642 /* tx indices */
5643 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5644 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5645 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5646 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5647 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5648 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5649 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5650 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5651}
5652
Ariel Eliorb93288d2013-01-01 05:22:35 +00005653void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005654 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5655{
5656 int igu_seg_id;
5657
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005658 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005659 struct hc_status_block_data_e1x sb_data_e1x;
5660 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005661 int data_size;
5662 u32 *sb_data_p;
5663
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005664 if (CHIP_INT_MODE_IS_BC(bp))
5665 igu_seg_id = HC_SEG_ACCESS_NORM;
5666 else
5667 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005668
5669 bnx2x_zero_fp_sb(bp, fw_sb_id);
5670
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005671 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005672 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005673 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005674 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5675 sb_data_e2.common.p_func.vf_id = vfid;
5676 sb_data_e2.common.p_func.vf_valid = vf_valid;
5677 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5678 sb_data_e2.common.same_igu_sb_1b = true;
5679 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5680 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5681 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005682 sb_data_p = (u32 *)&sb_data_e2;
5683 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005684 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005685 } else {
5686 memset(&sb_data_e1x, 0,
5687 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005688 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005689 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5690 sb_data_e1x.common.p_func.vf_id = 0xff;
5691 sb_data_e1x.common.p_func.vf_valid = false;
5692 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5693 sb_data_e1x.common.same_igu_sb_1b = true;
5694 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5695 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5696 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005697 sb_data_p = (u32 *)&sb_data_e1x;
5698 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005699 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005700 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005701
5702 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5703 igu_sb_id, igu_seg_id);
5704 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5705 igu_sb_id, igu_seg_id);
5706
Merav Sicron51c1a582012-03-18 10:33:38 +00005707 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005708
Yuval Mintz86564c32013-01-23 03:21:50 +00005709 /* write indices to HW - PCI guarantees endianity of regpairs */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005710 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5711}
5712
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005713static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005714 u16 tx_usec, u16 rx_usec)
5715{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005716 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005717 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005718 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5719 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5720 tx_usec);
5721 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5722 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5723 tx_usec);
5724 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5725 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5726 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005727}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005728
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005729static void bnx2x_init_def_sb(struct bnx2x *bp)
5730{
5731 struct host_sp_status_block *def_sb = bp->def_status_blk;
5732 dma_addr_t mapping = bp->def_status_blk_mapping;
5733 int igu_sp_sb_index;
5734 int igu_seg_id;
5735 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005736 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005737 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005738 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005739 int index;
5740 struct hc_sp_status_block_data sp_sb_data;
5741 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5742
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005743 if (CHIP_INT_MODE_IS_BC(bp)) {
5744 igu_sp_sb_index = DEF_SB_IGU_ID;
5745 igu_seg_id = HC_SEG_ACCESS_DEF;
5746 } else {
5747 igu_sp_sb_index = bp->igu_dsb_id;
5748 igu_seg_id = IGU_SEG_ACCESS_DEF;
5749 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005750
5751 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005752 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005753 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005754 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005755
Eliezer Tamir49d66772008-02-28 11:53:13 -08005756 bp->attn_state = 0;
5757
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005758 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5759 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005760 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5761 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005762 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005763 int sindex;
5764 /* take care of sig[0]..sig[4] */
5765 for (sindex = 0; sindex < 4; sindex++)
5766 bp->attn_group[index].sig[sindex] =
5767 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005769 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005770 /*
5771 * enable5 is separate from the rest of the registers,
5772 * and therefore the address skip is 4
5773 * and not 16 between the different groups
5774 */
5775 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005776 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005777 else
5778 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005779 }
5780
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005781 if (bp->common.int_block == INT_BLOCK_HC) {
5782 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5783 HC_REG_ATTN_MSG0_ADDR_L);
5784
5785 REG_WR(bp, reg_offset, U64_LO(section));
5786 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005787 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005788 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5789 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5790 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005792 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5793 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005794
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005795 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005796
Yuval Mintz86564c32013-01-23 03:21:50 +00005797 /* PCI guarantees endianity of regpairs */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005798 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005799 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5800 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5801 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5802 sp_sb_data.igu_seg_id = igu_seg_id;
5803 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005804 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005805 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005807 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005808
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005809 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005810}
5811
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005812void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005813{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005814 int i;
5815
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005816 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005817 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005818 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005819}
5820
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005821static void bnx2x_init_sp_ring(struct bnx2x *bp)
5822{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005823 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005824 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005825
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005826 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005827 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5828 bp->spq_prod_bd = bp->spq;
5829 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005830}
5831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005832static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005833{
5834 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005835 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5836 union event_ring_elem *elem =
5837 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005838
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005839 elem->next_page.addr.hi =
5840 cpu_to_le32(U64_HI(bp->eq_mapping +
5841 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5842 elem->next_page.addr.lo =
5843 cpu_to_le32(U64_LO(bp->eq_mapping +
5844 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005846 bp->eq_cons = 0;
5847 bp->eq_prod = NUM_EQ_DESC;
5848 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005849 /* we want a warning message before it gets wrought... */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005850 atomic_set(&bp->eq_spq_left,
5851 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005852}
5853
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005854/* called with netif_addr_lock_bh() */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005855int bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5856 unsigned long rx_mode_flags,
5857 unsigned long rx_accept_flags,
5858 unsigned long tx_accept_flags,
5859 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005860{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005861 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5862 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005863
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005864 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005865
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005866 /* Prepare ramrod parameters */
5867 ramrod_param.cid = 0;
5868 ramrod_param.cl_id = cl_id;
5869 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5870 ramrod_param.func_id = BP_FUNC(bp);
5871
5872 ramrod_param.pstate = &bp->sp_state;
5873 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5874
5875 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5876 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5877
5878 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5879
5880 ramrod_param.ramrod_flags = ramrod_flags;
5881 ramrod_param.rx_mode_flags = rx_mode_flags;
5882
5883 ramrod_param.rx_accept_flags = rx_accept_flags;
5884 ramrod_param.tx_accept_flags = tx_accept_flags;
5885
5886 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5887 if (rc < 0) {
5888 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
Yuval Mintz924d75a2013-01-23 03:21:44 +00005889 return rc;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005890 }
Yuval Mintz924d75a2013-01-23 03:21:44 +00005891
5892 return 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005893}
5894
Yuval Mintz86564c32013-01-23 03:21:50 +00005895static int bnx2x_fill_accept_flags(struct bnx2x *bp, u32 rx_mode,
5896 unsigned long *rx_accept_flags,
5897 unsigned long *tx_accept_flags)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005898{
Yuval Mintz924d75a2013-01-23 03:21:44 +00005899 /* Clear the flags first */
5900 *rx_accept_flags = 0;
5901 *tx_accept_flags = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005902
Yuval Mintz924d75a2013-01-23 03:21:44 +00005903 switch (rx_mode) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005904 case BNX2X_RX_MODE_NONE:
5905 /*
5906 * 'drop all' supersedes any accept flags that may have been
5907 * passed to the function.
5908 */
5909 break;
5910 case BNX2X_RX_MODE_NORMAL:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005911 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5912 __set_bit(BNX2X_ACCEPT_MULTICAST, rx_accept_flags);
5913 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005914
5915 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005916 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
5917 __set_bit(BNX2X_ACCEPT_MULTICAST, tx_accept_flags);
5918 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005919
5920 break;
5921 case BNX2X_RX_MODE_ALLMULTI:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005922 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5923 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
5924 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005925
5926 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005927 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
5928 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
5929 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005930
5931 break;
5932 case BNX2X_RX_MODE_PROMISC:
Yuval Mintz16a5fd92013-06-02 00:06:18 +00005933 /* According to definition of SI mode, iface in promisc mode
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005934 * should receive matched and unmatched (in resolution of port)
5935 * unicast packets.
5936 */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005937 __set_bit(BNX2X_ACCEPT_UNMATCHED, rx_accept_flags);
5938 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
5939 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
5940 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005941
5942 /* internal switching mode */
Yuval Mintz924d75a2013-01-23 03:21:44 +00005943 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
5944 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005945
5946 if (IS_MF_SI(bp))
Yuval Mintz924d75a2013-01-23 03:21:44 +00005947 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005948 else
Yuval Mintz924d75a2013-01-23 03:21:44 +00005949 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005950
5951 break;
5952 default:
Yuval Mintz924d75a2013-01-23 03:21:44 +00005953 BNX2X_ERR("Unknown rx_mode: %d\n", rx_mode);
5954 return -EINVAL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005955 }
5956
Yuval Mintz924d75a2013-01-23 03:21:44 +00005957 /* Set ACCEPT_ANY_VLAN as we do not enable filtering by VLAN */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005958 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
Yuval Mintz924d75a2013-01-23 03:21:44 +00005959 __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
5960 __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005961 }
5962
Yuval Mintz924d75a2013-01-23 03:21:44 +00005963 return 0;
5964}
5965
5966/* called with netif_addr_lock_bh() */
5967int bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5968{
5969 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5970 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5971 int rc;
5972
5973 if (!NO_FCOE(bp))
5974 /* Configure rx_mode of FCoE Queue */
5975 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5976
5977 rc = bnx2x_fill_accept_flags(bp, bp->rx_mode, &rx_accept_flags,
5978 &tx_accept_flags);
5979 if (rc)
5980 return rc;
5981
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005982 __set_bit(RAMROD_RX, &ramrod_flags);
5983 __set_bit(RAMROD_TX, &ramrod_flags);
5984
Yuval Mintz924d75a2013-01-23 03:21:44 +00005985 return bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags,
5986 rx_accept_flags, tx_accept_flags,
5987 ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988}
5989
Eilon Greenstein471de712008-08-13 15:49:35 -07005990static void bnx2x_init_internal_common(struct bnx2x *bp)
5991{
5992 int i;
5993
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005994 if (IS_MF_SI(bp))
5995 /*
5996 * In switch independent mode, the TSTORM needs to accept
5997 * packets that failed classification, since approximate match
5998 * mac addresses aren't written to NIG LLH
5999 */
6000 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6001 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006002 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
6003 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6004 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006005
Eilon Greenstein471de712008-08-13 15:49:35 -07006006 /* Zero this manually as its initialization is
6007 currently missing in the initTool */
6008 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
6009 REG_WR(bp, BAR_USTRORM_INTMEM +
6010 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006011 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006012 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
6013 CHIP_INT_MODE_IS_BC(bp) ?
6014 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
6015 }
Eilon Greenstein471de712008-08-13 15:49:35 -07006016}
6017
Eilon Greenstein471de712008-08-13 15:49:35 -07006018static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
6019{
6020 switch (load_code) {
6021 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006022 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07006023 bnx2x_init_internal_common(bp);
6024 /* no break */
6025
6026 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006027 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07006028 /* no break */
6029
6030 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006031 /* internal memory per function is
6032 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07006033 break;
6034
6035 default:
6036 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
6037 break;
6038 }
6039}
6040
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006041static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
6042{
Merav Sicron55c11942012-11-07 00:45:48 +00006043 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006044}
6045
6046static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
6047{
Merav Sicron55c11942012-11-07 00:45:48 +00006048 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006049}
6050
Eric Dumazet1191cb82012-04-27 21:39:21 +00006051static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006052{
6053 if (CHIP_IS_E1x(fp->bp))
6054 return BP_L_ID(fp->bp) + fp->index;
6055 else /* We want Client ID to be the same as IGU SB ID for 57712 */
6056 return bnx2x_fp_igu_sb_id(fp);
6057}
6058
Ariel Elior6383c0b2011-07-14 08:31:57 +00006059static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006060{
6061 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00006062 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006063 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00006064 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00006065 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006066 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006067 fp->cl_id = bnx2x_fp_cl_id(fp);
6068 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
6069 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006070 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006071 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
6072
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006073 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006074 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00006075
Yuval Mintz16a5fd92013-06-02 00:06:18 +00006076 /* Setup SB indices */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006077 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006078
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006079 /* Configure Queue State object */
6080 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
6081 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00006082
6083 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
6084
6085 /* init tx data */
6086 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00006087 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
6088 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
6089 FP_COS_TO_TXQ(fp, cos, bp),
6090 BNX2X_TX_SB_INDEX_BASE + cos, fp);
6091 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00006092 }
6093
Ariel Eliorad5afc82013-01-01 05:22:26 +00006094 /* nothing more for vf to do here */
6095 if (IS_VF(bp))
6096 return;
6097
6098 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
6099 fp->fw_sb_id, fp->igu_sb_id);
6100 bnx2x_update_fpsb_idx(fp);
Barak Witkowski15192a82012-06-19 07:48:28 +00006101 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
6102 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00006103 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006104
6105 /**
6106 * Configure classification DBs: Always enable Tx switching
6107 */
6108 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
6109
Ariel Eliorad5afc82013-01-01 05:22:26 +00006110 DP(NETIF_MSG_IFUP,
6111 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
6112 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
6113 fp->igu_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006114}
6115
Eric Dumazet1191cb82012-04-27 21:39:21 +00006116static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
6117{
6118 int i;
6119
6120 for (i = 1; i <= NUM_TX_RINGS; i++) {
6121 struct eth_tx_next_bd *tx_next_bd =
6122 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
6123
6124 tx_next_bd->addr_hi =
6125 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
6126 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6127 tx_next_bd->addr_lo =
6128 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
6129 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6130 }
6131
Yuval Mintz639d65b2013-06-02 00:06:21 +00006132 *txdata->tx_cons_sb = cpu_to_le16(0);
6133
Eric Dumazet1191cb82012-04-27 21:39:21 +00006134 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
6135 txdata->tx_db.data.zero_fill1 = 0;
6136 txdata->tx_db.data.prod = 0;
6137
6138 txdata->tx_pkt_prod = 0;
6139 txdata->tx_pkt_cons = 0;
6140 txdata->tx_bd_prod = 0;
6141 txdata->tx_bd_cons = 0;
6142 txdata->tx_pkt = 0;
6143}
6144
Merav Sicron55c11942012-11-07 00:45:48 +00006145static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
6146{
6147 int i;
6148
6149 for_each_tx_queue_cnic(bp, i)
6150 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
6151}
Yuval Mintzd76a6112013-06-02 00:06:17 +00006152
Eric Dumazet1191cb82012-04-27 21:39:21 +00006153static void bnx2x_init_tx_rings(struct bnx2x *bp)
6154{
6155 int i;
6156 u8 cos;
6157
Merav Sicron55c11942012-11-07 00:45:48 +00006158 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00006159 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00006160 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00006161}
6162
Merav Sicron55c11942012-11-07 00:45:48 +00006163void bnx2x_nic_init_cnic(struct bnx2x *bp)
6164{
6165 if (!NO_FCOE(bp))
6166 bnx2x_init_fcoe_fp(bp);
6167
6168 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
6169 BNX2X_VF_ID_INVALID, false,
6170 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
6171
6172 /* ensure status block indices were read */
6173 rmb();
6174 bnx2x_init_rx_rings_cnic(bp);
6175 bnx2x_init_tx_rings_cnic(bp);
6176
6177 /* flush all */
6178 mb();
6179 mmiowb();
6180}
6181
Yuval Mintzecf01c22013-04-22 02:53:03 +00006182void bnx2x_pre_irq_nic_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006183{
6184 int i;
6185
Yuval Mintzecf01c22013-04-22 02:53:03 +00006186 /* Setup NIC internals and enable interrupts */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006187 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00006188 bnx2x_init_eth_fp(bp, i);
Ariel Eliorad5afc82013-01-01 05:22:26 +00006189
6190 /* ensure status block indices were read */
6191 rmb();
6192 bnx2x_init_rx_rings(bp);
6193 bnx2x_init_tx_rings(bp);
6194
Yuval Mintzecf01c22013-04-22 02:53:03 +00006195 if (IS_PF(bp)) {
6196 /* Initialize MOD_ABS interrupts */
6197 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
6198 bp->common.shmem_base,
6199 bp->common.shmem2_base, BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00006200
Yuval Mintzecf01c22013-04-22 02:53:03 +00006201 /* initialize the default status block and sp ring */
6202 bnx2x_init_def_sb(bp);
6203 bnx2x_update_dsb_idx(bp);
6204 bnx2x_init_sp_ring(bp);
Yuval Mintz3cdeec22013-06-02 00:06:19 +00006205 } else {
6206 bnx2x_memset_stats(bp);
Yuval Mintzecf01c22013-04-22 02:53:03 +00006207 }
6208}
Eilon Greenstein16119782009-03-02 07:59:27 +00006209
Yuval Mintzecf01c22013-04-22 02:53:03 +00006210void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code)
6211{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006212 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07006213 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006214 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006215 bnx2x_stats_init(bp);
6216
Eilon Greenstein0ef00452009-01-14 21:31:08 -08006217 /* flush all before enabling interrupts */
6218 mb();
6219 mmiowb();
6220
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006221 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00006222
6223 /* Check for SPIO5 */
6224 bnx2x_attn_int_deasserted0(bp,
6225 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
6226 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006227}
6228
Yuval Mintzecf01c22013-04-22 02:53:03 +00006229/* gzip service functions */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230static int bnx2x_gunzip_init(struct bnx2x *bp)
6231{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006232 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
6233 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006234 if (bp->gunzip_buf == NULL)
6235 goto gunzip_nomem1;
6236
6237 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
6238 if (bp->strm == NULL)
6239 goto gunzip_nomem2;
6240
David S. Miller7ab24bf2011-06-29 05:48:41 -07006241 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242 if (bp->strm->workspace == NULL)
6243 goto gunzip_nomem3;
6244
6245 return 0;
6246
6247gunzip_nomem3:
6248 kfree(bp->strm);
6249 bp->strm = NULL;
6250
6251gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006252 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6253 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006254 bp->gunzip_buf = NULL;
6255
6256gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00006257 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258 return -ENOMEM;
6259}
6260
6261static void bnx2x_gunzip_end(struct bnx2x *bp)
6262{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006263 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07006264 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006265 kfree(bp->strm);
6266 bp->strm = NULL;
6267 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006268
6269 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006270 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6271 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006272 bp->gunzip_buf = NULL;
6273 }
6274}
6275
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006276static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006277{
6278 int n, rc;
6279
6280 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006281 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
6282 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006283 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006284 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006285
6286 n = 10;
6287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006288#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006289
6290 if (zbuf[3] & FNAME)
6291 while ((zbuf[n++] != 0) && (n < len));
6292
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07006293 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006294 bp->strm->avail_in = len - n;
6295 bp->strm->next_out = bp->gunzip_buf;
6296 bp->strm->avail_out = FW_BUF_SIZE;
6297
6298 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
6299 if (rc != Z_OK)
6300 return rc;
6301
6302 rc = zlib_inflate(bp->strm, Z_FINISH);
6303 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00006304 netdev_err(bp->dev, "Firmware decompression error: %s\n",
6305 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006306
6307 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
6308 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00006309 netdev_err(bp->dev,
6310 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006311 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006312 bp->gunzip_outlen >>= 2;
6313
6314 zlib_inflateEnd(bp->strm);
6315
6316 if (rc == Z_STREAM_END)
6317 return 0;
6318
6319 return rc;
6320}
6321
6322/* nic load/unload */
6323
6324/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006325 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006326 */
6327
6328/* send a NIG loopback debug packet */
6329static void bnx2x_lb_pckt(struct bnx2x *bp)
6330{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006331 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006332
6333 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006334 wb_write[0] = 0x55555555;
6335 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006336 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006337 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006338
6339 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006340 wb_write[0] = 0x09000000;
6341 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006342 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006343 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344}
6345
6346/* some of the internal memories
6347 * are not directly readable from the driver
6348 * to test them we send debug packets
6349 */
6350static int bnx2x_int_mem_test(struct bnx2x *bp)
6351{
6352 int factor;
6353 int count, i;
6354 u32 val = 0;
6355
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006356 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006357 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07006358 else if (CHIP_REV_IS_EMUL(bp))
6359 factor = 200;
6360 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006361 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006362
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006363 /* Disable inputs of parser neighbor blocks */
6364 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6365 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6366 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006367 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006368
6369 /* Write 0 to parser credits for CFC search request */
6370 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6371
6372 /* send Ethernet packet */
6373 bnx2x_lb_pckt(bp);
6374
6375 /* TODO do i reset NIG statistic? */
6376 /* Wait until NIG register shows 1 packet of size 0x10 */
6377 count = 1000 * factor;
6378 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006379
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006380 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6381 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006382 if (val == 0x10)
6383 break;
6384
Yuval Mintz639d65b2013-06-02 00:06:21 +00006385 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006386 count--;
6387 }
6388 if (val != 0x10) {
6389 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6390 return -1;
6391 }
6392
6393 /* Wait until PRS register shows 1 packet */
6394 count = 1000 * factor;
6395 while (count) {
6396 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006397 if (val == 1)
6398 break;
6399
Yuval Mintz639d65b2013-06-02 00:06:21 +00006400 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006401 count--;
6402 }
6403 if (val != 0x1) {
6404 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6405 return -2;
6406 }
6407
6408 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006409 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006410 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006412 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006413 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6414 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006415
6416 DP(NETIF_MSG_HW, "part2\n");
6417
6418 /* Disable inputs of parser neighbor blocks */
6419 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6420 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6421 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006422 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006423
6424 /* Write 0 to parser credits for CFC search request */
6425 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6426
6427 /* send 10 Ethernet packets */
6428 for (i = 0; i < 10; i++)
6429 bnx2x_lb_pckt(bp);
6430
6431 /* Wait until NIG register shows 10 + 1
6432 packets of size 11*0x10 = 0xb0 */
6433 count = 1000 * factor;
6434 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006435
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006436 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6437 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006438 if (val == 0xb0)
6439 break;
6440
Yuval Mintz639d65b2013-06-02 00:06:21 +00006441 usleep_range(10000, 20000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006442 count--;
6443 }
6444 if (val != 0xb0) {
6445 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6446 return -3;
6447 }
6448
6449 /* Wait until PRS register shows 2 packets */
6450 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6451 if (val != 2)
6452 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6453
6454 /* Write 1 to parser credits for CFC search request */
6455 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6456
6457 /* Wait until PRS register shows 3 packets */
6458 msleep(10 * factor);
6459 /* Wait until NIG register shows 1 packet of size 0x10 */
6460 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6461 if (val != 3)
6462 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6463
6464 /* clear NIG EOP FIFO */
6465 for (i = 0; i < 11; i++)
6466 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6467 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6468 if (val != 1) {
6469 BNX2X_ERR("clear of NIG failed\n");
6470 return -4;
6471 }
6472
6473 /* Reset and init BRB, PRS, NIG */
6474 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6475 msleep(50);
6476 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6477 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006478 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6479 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006480 if (!CNIC_SUPPORT(bp))
6481 /* set NIC mode */
6482 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483
6484 /* Enable inputs of parser neighbor blocks */
6485 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6486 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6487 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006488 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489
6490 DP(NETIF_MSG_HW, "done\n");
6491
6492 return 0; /* OK */
6493}
6494
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006495static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006496{
Yuval Mintzb343d002012-12-02 04:05:53 +00006497 u32 val;
6498
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006499 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006500 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006501 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6502 else
6503 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006504 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6505 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006506 /*
6507 * mask read length error interrupts in brb for parser
6508 * (parsing unit and 'checksum and crc' unit)
6509 * these errors are legal (PU reads fixed length and CAC can cause
6510 * read length error on truncated packets)
6511 */
6512 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006513 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6514 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6515 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6516 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6517 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006518/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6519/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006520 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6521 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6522 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006523/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6524/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006525 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6526 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6527 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6528 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006529/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6530/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006531
Yuval Mintzb343d002012-12-02 04:05:53 +00006532 val = PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT |
6533 PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF |
6534 PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN;
6535 if (!CHIP_IS_E1x(bp))
6536 val |= PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED |
6537 PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED;
6538 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, val);
6539
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006540 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6541 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6542 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006543/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006544
6545 if (!CHIP_IS_E1x(bp))
6546 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6547 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6548
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006549 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6550 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006551/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006552 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006553}
6554
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006555static void bnx2x_reset_common(struct bnx2x *bp)
6556{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006557 u32 val = 0x1400;
6558
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006559 /* reset_common */
6560 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6561 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006562
6563 if (CHIP_IS_E3(bp)) {
6564 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6565 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6566 }
6567
6568 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6569}
6570
6571static void bnx2x_setup_dmae(struct bnx2x *bp)
6572{
6573 bp->dmae_ready = 0;
6574 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006575}
6576
Eilon Greenstein573f2032009-08-12 08:24:14 +00006577static void bnx2x_init_pxp(struct bnx2x *bp)
6578{
6579 u16 devctl;
6580 int r_order, w_order;
6581
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006582 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006583 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6584 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6585 if (bp->mrrs == -1)
6586 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6587 else {
6588 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6589 r_order = bp->mrrs;
6590 }
6591
6592 bnx2x_init_pxp_arb(bp, r_order, w_order);
6593}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006594
6595static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6596{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006597 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006598 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006599 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006600
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006601 if (BP_NOMCP(bp))
6602 return;
6603
6604 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006605 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6606 SHARED_HW_CFG_FAN_FAILURE_MASK;
6607
6608 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6609 is_required = 1;
6610
6611 /*
6612 * The fan failure mechanism is usually related to the PHY type since
6613 * the power consumption of the board is affected by the PHY. Currently,
6614 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6615 */
6616 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6617 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006618 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006619 bnx2x_fan_failure_det_req(
6620 bp,
6621 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006622 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006623 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006624 }
6625
6626 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6627
6628 if (is_required == 0)
6629 return;
6630
6631 /* Fan failure is indicated by SPIO 5 */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006632 bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006633
6634 /* set to active low mode */
6635 val = REG_RD(bp, MISC_REG_SPIO_INT);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006636 val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006637 REG_WR(bp, MISC_REG_SPIO_INT, val);
6638
6639 /* enable interrupt to signal the IGU */
6640 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006641 val |= MISC_SPIO_SPIO5;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006642 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6643}
6644
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006645void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006646{
6647 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6648 val &= ~IGU_PF_CONF_FUNC_EN;
6649
6650 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6651 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6652 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6653}
6654
Eric Dumazet1191cb82012-04-27 21:39:21 +00006655static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006656{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006657 u32 shmem_base[2], shmem2_base[2];
Yaniv Rosnerb884d952012-11-27 03:46:28 +00006658 /* Avoid common init in case MFW supports LFA */
6659 if (SHMEM2_RD(bp, size) >
6660 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6661 return;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006662 shmem_base[0] = bp->common.shmem_base;
6663 shmem2_base[0] = bp->common.shmem2_base;
6664 if (!CHIP_IS_E1x(bp)) {
6665 shmem_base[1] =
6666 SHMEM2_RD(bp, other_shmem_base_addr);
6667 shmem2_base[1] =
6668 SHMEM2_RD(bp, other_shmem2_base_addr);
6669 }
6670 bnx2x_acquire_phy_lock(bp);
6671 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6672 bp->common.chip_id);
6673 bnx2x_release_phy_lock(bp);
6674}
6675
6676/**
6677 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6678 *
6679 * @bp: driver handle
6680 */
6681static int bnx2x_init_hw_common(struct bnx2x *bp)
6682{
6683 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006684
Merav Sicron51c1a582012-03-18 10:33:38 +00006685 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006686
David S. Miller823dcd22011-08-20 10:39:12 -07006687 /*
Yuval Mintz2de67432013-01-23 03:21:43 +00006688 * take the RESET lock to protect undi_unload flow from accessing
David S. Miller823dcd22011-08-20 10:39:12 -07006689 * registers while we're resetting the chip
6690 */
David S. Miller8decf862011-09-22 03:23:13 -04006691 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006692
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006693 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006694 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006695
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006696 val = 0xfffc;
6697 if (CHIP_IS_E3(bp)) {
6698 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6699 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6700 }
6701 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006702
David S. Miller8decf862011-09-22 03:23:13 -04006703 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006704
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006705 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6706
6707 if (!CHIP_IS_E1x(bp)) {
6708 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006709
6710 /**
6711 * 4-port mode or 2-port mode we need to turn of master-enable
6712 * for everyone, after that, turn it back on for self.
6713 * so, we disregard multi-function or not, and always disable
6714 * for all functions on the given path, this means 0,2,4,6 for
6715 * path 0 and 1,3,5,7 for path 1
6716 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006717 for (abs_func_id = BP_PATH(bp);
6718 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6719 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006720 REG_WR(bp,
6721 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6722 1);
6723 continue;
6724 }
6725
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006726 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006727 /* clear pf enable */
6728 bnx2x_pf_disable(bp);
6729 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6730 }
6731 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006732
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006733 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734 if (CHIP_IS_E1(bp)) {
6735 /* enable HW interrupt from PXP on USDM overflow
6736 bit 16 on INT_MASK_0 */
6737 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738 }
6739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006740 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006741 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006742
6743#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006744 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6745 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6746 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6747 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6748 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006749 /* make sure this value is 0 */
6750 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006751
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006752/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6753 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6754 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6755 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6756 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006757#endif
6758
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006759 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006761 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6762 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006763
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006764 /* let the HW do it's magic ... */
6765 msleep(100);
6766 /* finish PXP init */
6767 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6768 if (val != 1) {
6769 BNX2X_ERR("PXP2 CFG failed\n");
6770 return -EBUSY;
6771 }
6772 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6773 if (val != 1) {
6774 BNX2X_ERR("PXP2 RD_INIT failed\n");
6775 return -EBUSY;
6776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006777
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006778 /* Timers bug workaround E2 only. We need to set the entire ILT to
6779 * have entries with value "0" and valid bit on.
6780 * This needs to be done by the first PF that is loaded in a path
6781 * (i.e. common phase)
6782 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006783 if (!CHIP_IS_E1x(bp)) {
6784/* In E2 there is a bug in the timers block that can cause function 6 / 7
6785 * (i.e. vnic3) to start even if it is marked as "scan-off".
6786 * This occurs when a different function (func2,3) is being marked
6787 * as "scan-off". Real-life scenario for example: if a driver is being
6788 * load-unloaded while func6,7 are down. This will cause the timer to access
6789 * the ilt, translate to a logical address and send a request to read/write.
6790 * Since the ilt for the function that is down is not valid, this will cause
6791 * a translation error which is unrecoverable.
6792 * The Workaround is intended to make sure that when this happens nothing fatal
6793 * will occur. The workaround:
6794 * 1. First PF driver which loads on a path will:
6795 * a. After taking the chip out of reset, by using pretend,
6796 * it will write "0" to the following registers of
6797 * the other vnics.
6798 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6799 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6800 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6801 * And for itself it will write '1' to
6802 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6803 * dmae-operations (writing to pram for example.)
6804 * note: can be done for only function 6,7 but cleaner this
6805 * way.
6806 * b. Write zero+valid to the entire ILT.
6807 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6808 * VNIC3 (of that port). The range allocated will be the
6809 * entire ILT. This is needed to prevent ILT range error.
6810 * 2. Any PF driver load flow:
6811 * a. ILT update with the physical addresses of the allocated
6812 * logical pages.
6813 * b. Wait 20msec. - note that this timeout is needed to make
6814 * sure there are no requests in one of the PXP internal
6815 * queues with "old" ILT addresses.
6816 * c. PF enable in the PGLC.
6817 * d. Clear the was_error of the PF in the PGLC. (could have
Yuval Mintz2de67432013-01-23 03:21:43 +00006818 * occurred while driver was down)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006819 * e. PF enable in the CFC (WEAK + STRONG)
6820 * f. Timers scan enable
6821 * 3. PF driver unload flow:
6822 * a. Clear the Timers scan_en.
6823 * b. Polling for scan_on=0 for that PF.
6824 * c. Clear the PF enable bit in the PXP.
6825 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6826 * e. Write zero+valid to all ILT entries (The valid bit must
6827 * stay set)
6828 * f. If this is VNIC 3 of a port then also init
6829 * first_timers_ilt_entry to zero and last_timers_ilt_entry
Yuval Mintz16a5fd92013-06-02 00:06:18 +00006830 * to the last entry in the ILT.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006831 *
6832 * Notes:
6833 * Currently the PF error in the PGLC is non recoverable.
6834 * In the future the there will be a recovery routine for this error.
6835 * Currently attention is masked.
6836 * Having an MCP lock on the load/unload process does not guarantee that
6837 * there is no Timer disable during Func6/7 enable. This is because the
6838 * Timers scan is currently being cleared by the MCP on FLR.
6839 * Step 2.d can be done only for PF6/7 and the driver can also check if
6840 * there is error before clearing it. But the flow above is simpler and
6841 * more general.
6842 * All ILT entries are written by zero+valid and not just PF6/7
6843 * ILT entries since in the future the ILT entries allocation for
6844 * PF-s might be dynamic.
6845 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006846 struct ilt_client_info ilt_cli;
6847 struct bnx2x_ilt ilt;
6848 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6849 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6850
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006851 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006852 ilt_cli.start = 0;
6853 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6854 ilt_cli.client_num = ILT_CLIENT_TM;
6855
6856 /* Step 1: set zeroes to all ilt page entries with valid bit on
6857 * Step 2: set the timers first/last ilt entry to point
6858 * to the entire range to prevent ILT range error for 3rd/4th
Yuval Mintz2de67432013-01-23 03:21:43 +00006859 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006860 *
6861 * both steps performed by call to bnx2x_ilt_client_init_op()
6862 * with dummy TM client
6863 *
6864 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6865 * and his brother are split registers
6866 */
6867 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6868 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6869 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6870
6871 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6872 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6873 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6874 }
6875
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006876 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6877 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006878
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006879 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006880 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6881 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006882 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006883
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006884 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006885
6886 /* let the HW do it's magic ... */
6887 do {
6888 msleep(200);
6889 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6890 } while (factor-- && (val != 1));
6891
6892 if (val != 1) {
6893 BNX2X_ERR("ATC_INIT failed\n");
6894 return -EBUSY;
6895 }
6896 }
6897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006898 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006899
Ariel Eliorb56e9672013-01-01 05:22:32 +00006900 bnx2x_iov_init_dmae(bp);
6901
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006902 /* clean the DMAE memory */
6903 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006904 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006906 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6907
6908 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6909
6910 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6911
6912 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006913
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006914 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6915 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6916 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6917 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6918
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006919 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006920
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006921 /* QM queues pointers table */
6922 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006924 /* soft reset pulse */
6925 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6926 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006927
Merav Sicron55c11942012-11-07 00:45:48 +00006928 if (CNIC_SUPPORT(bp))
6929 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006931 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Ariel Eliorb9871bc2013-09-04 14:09:21 +03006932
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006933 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006934 /* enable hw interrupt from doorbell Q */
6935 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006936
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006937 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006938
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006939 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006940 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006941
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006942 if (!CHIP_IS_E1(bp))
6943 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6944
Barak Witkowskia3348722012-04-23 03:04:46 +00006945 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6946 if (IS_MF_AFEX(bp)) {
6947 /* configure that VNTag and VLAN headers must be
6948 * received in afex mode
6949 */
6950 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6951 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6952 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6953 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6954 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6955 } else {
6956 /* Bit-map indicating which L2 hdrs may appear
6957 * after the basic Ethernet header
6958 */
6959 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6960 bp->path_has_ovlan ? 7 : 6);
6961 }
6962 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006963
6964 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6965 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6966 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6967 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6968
6969 if (!CHIP_IS_E1x(bp)) {
6970 /* reset VFC memories */
6971 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6972 VFC_MEMORIES_RST_REG_CAM_RST |
6973 VFC_MEMORIES_RST_REG_RAM_RST);
6974 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6975 VFC_MEMORIES_RST_REG_CAM_RST |
6976 VFC_MEMORIES_RST_REG_RAM_RST);
6977
6978 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006979 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006980
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006981 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6982 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6983 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6984 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006985
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006986 /* sync semi rtc */
6987 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6988 0x80000000);
6989 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6990 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006991
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006992 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6993 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6994 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006995
Barak Witkowskia3348722012-04-23 03:04:46 +00006996 if (!CHIP_IS_E1x(bp)) {
6997 if (IS_MF_AFEX(bp)) {
6998 /* configure that VNTag and VLAN headers must be
6999 * sent in afex mode
7000 */
7001 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
7002 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
7003 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
7004 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
7005 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
7006 } else {
7007 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
7008 bp->path_has_ovlan ? 7 : 6);
7009 }
7010 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007012 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007013
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007014 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
7015
Merav Sicron55c11942012-11-07 00:45:48 +00007016 if (CNIC_SUPPORT(bp)) {
7017 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
7018 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
7019 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
7020 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
7021 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
7022 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
7023 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
7024 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
7025 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
7026 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
7027 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007028 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007029
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007030 if (sizeof(union cdu_context) != 1024)
7031 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00007032 dev_alert(&bp->pdev->dev,
7033 "please adjust the size of cdu_context(%ld)\n",
7034 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007036 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007037 val = (4 << 24) + (0 << 12) + 1024;
7038 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007040 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007041 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08007042 /* enable context validation interrupt from CFC */
7043 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
7044
7045 /* set the thresholds to prevent CFC/CDU race */
7046 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007047
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007048 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007049
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007050 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007051 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
7052
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007053 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
7054 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007056 /* Reset PCIE errors for debug */
7057 REG_WR(bp, 0x2814, 0xffffffff);
7058 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007059
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007060 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007061 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
7062 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
7063 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
7064 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
7065 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
7066 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
7067 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
7068 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
7069 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
7070 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
7071 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
7072 }
7073
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007074 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007075 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007076 /* in E3 this done in per-port section */
7077 if (!CHIP_IS_E3(bp))
7078 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
7079 }
7080 if (CHIP_IS_E1H(bp))
7081 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007082 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007084 if (CHIP_REV_IS_SLOW(bp))
7085 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007086
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007087 /* finish CFC init */
7088 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
7089 if (val != 1) {
7090 BNX2X_ERR("CFC LL_INIT failed\n");
7091 return -EBUSY;
7092 }
7093 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
7094 if (val != 1) {
7095 BNX2X_ERR("CFC AC_INIT failed\n");
7096 return -EBUSY;
7097 }
7098 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
7099 if (val != 1) {
7100 BNX2X_ERR("CFC CAM_INIT failed\n");
7101 return -EBUSY;
7102 }
7103 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007104
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007105 if (CHIP_IS_E1(bp)) {
7106 /* read NIG statistic
7107 to see if this is our first up since powerup */
7108 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
7109 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007110
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007111 /* do internal memory self test */
7112 if ((val == 0) && bnx2x_int_mem_test(bp)) {
7113 BNX2X_ERR("internal mem self test failed\n");
7114 return -EBUSY;
7115 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007116 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007117
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00007118 bnx2x_setup_fan_failure_detection(bp);
7119
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007120 /* clear PXP2 attentions */
7121 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007122
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00007123 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00007124 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007125
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007126 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007127 if (CHIP_IS_E1x(bp))
7128 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007129 } else
7130 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
7131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007132 return 0;
7133}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007134
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007135/**
7136 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
7137 *
7138 * @bp: driver handle
7139 */
7140static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
7141{
7142 int rc = bnx2x_init_hw_common(bp);
7143
7144 if (rc)
7145 return rc;
7146
7147 /* In E2 2-PORT mode, same ext phy is used for the two paths */
7148 if (!BP_NOMCP(bp))
7149 bnx2x__common_init_phy(bp);
7150
7151 return 0;
7152}
7153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007154static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007155{
7156 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007157 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00007158 u32 low, high;
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02007159 u32 val, reg;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007160
Merav Sicron51c1a582012-03-18 10:33:38 +00007161 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007162
7163 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007165 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7166 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7167 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07007168
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007169 /* Timers bug workaround: disables the pf_master bit in pglue at
7170 * common phase, we need to enable it here before any dmae access are
7171 * attempted. Therefore we manually added the enable-master to the
7172 * port phase (it also happens in the function phase)
7173 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007174 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007175 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7176
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007177 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7178 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7179 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
7180 bnx2x_init_block(bp, BLOCK_QM, init_phase);
7181
7182 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7183 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7184 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7185 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007186
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007187 /* QM cid (connection) count */
7188 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189
Merav Sicron55c11942012-11-07 00:45:48 +00007190 if (CNIC_SUPPORT(bp)) {
7191 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7192 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
7193 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
7194 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007195
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007196 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00007197
Dmitry Kravkov2b674042012-10-28 21:59:04 +00007198 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7199
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007200 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007201
7202 if (IS_MF(bp))
7203 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
7204 else if (bp->dev->mtu > 4096) {
7205 if (bp->flags & ONE_PORT_FLAG)
7206 low = 160;
7207 else {
7208 val = bp->dev->mtu;
7209 /* (24*1024 + val*4)/256 */
7210 low = 96 + (val/64) +
7211 ((val % 64) ? 1 : 0);
7212 }
7213 } else
7214 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
7215 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007216 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
7217 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
7218 }
7219
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007220 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007221 REG_WR(bp, (BP_PORT(bp) ?
7222 BRB1_REG_MAC_GUARANTIED_1 :
7223 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007225 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00007226 if (CHIP_IS_E3B0(bp)) {
7227 if (IS_MF_AFEX(bp)) {
7228 /* configure headers for AFEX mode */
7229 REG_WR(bp, BP_PORT(bp) ?
7230 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7231 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
7232 REG_WR(bp, BP_PORT(bp) ?
7233 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
7234 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
7235 REG_WR(bp, BP_PORT(bp) ?
7236 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
7237 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
7238 } else {
7239 /* Ovlan exists only if we are in multi-function +
7240 * switch-dependent mode, in switch-independent there
7241 * is no ovlan headers
7242 */
7243 REG_WR(bp, BP_PORT(bp) ?
7244 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7245 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
7246 (bp->path_has_ovlan ? 7 : 6));
7247 }
7248 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007249
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007250 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7251 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7252 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7253 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7254
7255 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7256 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7257 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7258 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
7259
7260 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7261 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7262
7263 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7264
7265 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007266 /* configure PBF to work without PAUSE mtu 9000 */
7267 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007268
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007269 /* update threshold */
7270 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
7271 /* update init credit */
7272 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007273
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007274 /* probe changes */
7275 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
7276 udelay(50);
7277 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
7278 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007279
Merav Sicron55c11942012-11-07 00:45:48 +00007280 if (CNIC_SUPPORT(bp))
7281 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7282
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007283 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
7284 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007285
7286 if (CHIP_IS_E1(bp)) {
7287 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7288 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7289 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007290 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007291
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007292 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007293
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007294 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295 /* init aeu_mask_attn_func_0/1:
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007296 * - SF mode: bits 3-7 are masked. Only bits 0-2 are in use
7297 * - MF mode: bit 3 is masked. Bits 0-2 are in use as in SF
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007298 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00007299 val = IS_MF(bp) ? 0xF7 : 0x7;
7300 /* Enable DCBX attention for all but E1 */
7301 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
7302 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007303
Dmitry Kravkov4293b9f2013-10-20 16:51:33 +02007304 /* SCPAD_PARITY should NOT trigger close the gates */
7305 reg = port ? MISC_REG_AEU_ENABLE4_NIG_1 : MISC_REG_AEU_ENABLE4_NIG_0;
7306 REG_WR(bp, reg,
7307 REG_RD(bp, reg) &
7308 ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7309
7310 reg = port ? MISC_REG_AEU_ENABLE4_PXP_1 : MISC_REG_AEU_ENABLE4_PXP_0;
7311 REG_WR(bp, reg,
7312 REG_RD(bp, reg) &
7313 ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7314
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007315 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007317 if (!CHIP_IS_E1x(bp)) {
7318 /* Bit-map indicating which L2 hdrs may appear after the
7319 * basic Ethernet header
7320 */
Barak Witkowskia3348722012-04-23 03:04:46 +00007321 if (IS_MF_AFEX(bp))
7322 REG_WR(bp, BP_PORT(bp) ?
7323 NIG_REG_P1_HDRS_AFTER_BASIC :
7324 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
7325 else
7326 REG_WR(bp, BP_PORT(bp) ?
7327 NIG_REG_P1_HDRS_AFTER_BASIC :
7328 NIG_REG_P0_HDRS_AFTER_BASIC,
7329 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007330
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007331 if (CHIP_IS_E3(bp))
7332 REG_WR(bp, BP_PORT(bp) ?
7333 NIG_REG_LLH1_MF_MODE :
7334 NIG_REG_LLH_MF_MODE, IS_MF(bp));
7335 }
7336 if (!CHIP_IS_E3(bp))
7337 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007338
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007339 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007340 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007341 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007342 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007343
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007344 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007345 val = 0;
7346 switch (bp->mf_mode) {
7347 case MULTI_FUNCTION_SD:
7348 val = 1;
7349 break;
7350 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00007351 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007352 val = 2;
7353 break;
7354 }
7355
7356 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
7357 NIG_REG_LLH0_CLS_TYPE), val);
7358 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00007359 {
7360 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
7361 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
7362 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
7363 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007364 }
7365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007366 /* If SPIO5 is set to generate interrupts, enable it for this port */
7367 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00007368 if (val & MISC_SPIO_SPIO5) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007369 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
7370 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
7371 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007372 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007373 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007374 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007376 return 0;
7377}
7378
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007379static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
7380{
7381 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00007382 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007383
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007384 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007385 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007386 else
7387 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007388
Yuval Mintz32d68de2012-04-03 18:41:24 +00007389 wb_write[0] = ONCHIP_ADDR1(addr);
7390 wb_write[1] = ONCHIP_ADDR2(addr);
7391 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007392}
7393
Ariel Eliorb56e9672013-01-01 05:22:32 +00007394void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf)
Eric Dumazet1191cb82012-04-27 21:39:21 +00007395{
7396 u32 data, ctl, cnt = 100;
7397 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7398 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7399 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7400 u32 sb_bit = 1 << (idu_sb_id%32);
Ariel Eliorb56e9672013-01-01 05:22:32 +00007401 u32 func_encode = func | (is_pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
Eric Dumazet1191cb82012-04-27 21:39:21 +00007402 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7403
7404 /* Not supported in BC mode */
7405 if (CHIP_INT_MODE_IS_BC(bp))
7406 return;
7407
7408 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7409 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7410 IGU_REGULAR_CLEANUP_SET |
7411 IGU_REGULAR_BCLEANUP;
7412
7413 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7414 func_encode << IGU_CTRL_REG_FID_SHIFT |
7415 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7416
7417 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7418 data, igu_addr_data);
7419 REG_WR(bp, igu_addr_data, data);
7420 mmiowb();
7421 barrier();
7422 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7423 ctl, igu_addr_ctl);
7424 REG_WR(bp, igu_addr_ctl, ctl);
7425 mmiowb();
7426 barrier();
7427
7428 /* wait for clean up to finish */
7429 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7430 msleep(20);
7431
Eric Dumazet1191cb82012-04-27 21:39:21 +00007432 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7433 DP(NETIF_MSG_HW,
7434 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7435 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7436 }
7437}
7438
7439static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007440{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007441 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007442}
7443
Eric Dumazet1191cb82012-04-27 21:39:21 +00007444static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007445{
7446 u32 i, base = FUNC_ILT_BASE(func);
7447 for (i = base; i < base + ILT_PER_FUNC; i++)
7448 bnx2x_ilt_wr(bp, i, 0);
7449}
7450
Merav Sicron910cc722012-11-11 03:56:08 +00007451static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007452{
7453 int port = BP_PORT(bp);
7454 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7455 /* T1 hash bits value determines the T1 number of entries */
7456 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7457}
7458
7459static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7460{
7461 int rc;
7462 struct bnx2x_func_state_params func_params = {NULL};
7463 struct bnx2x_func_switch_update_params *switch_update_params =
7464 &func_params.params.switch_update;
7465
7466 /* Prepare parameters for function state transitions */
7467 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7468 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7469
7470 func_params.f_obj = &bp->func_obj;
7471 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7472
7473 /* Function parameters */
7474 switch_update_params->suspend = suspend;
7475
7476 rc = bnx2x_func_state_change(bp, &func_params);
7477
7478 return rc;
7479}
7480
Merav Sicron910cc722012-11-11 03:56:08 +00007481static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007482{
7483 int rc, i, port = BP_PORT(bp);
7484 int vlan_en = 0, mac_en[NUM_MACS];
7485
Merav Sicron55c11942012-11-07 00:45:48 +00007486 /* Close input from network */
7487 if (bp->mf_mode == SINGLE_FUNCTION) {
7488 bnx2x_set_rx_filter(&bp->link_params, 0);
7489 } else {
7490 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7491 NIG_REG_LLH0_FUNC_EN);
7492 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7493 NIG_REG_LLH0_FUNC_EN, 0);
7494 for (i = 0; i < NUM_MACS; i++) {
7495 mac_en[i] = REG_RD(bp, port ?
7496 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7497 4 * i) :
7498 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7499 4 * i));
7500 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7501 4 * i) :
7502 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7503 }
7504 }
7505
7506 /* Close BMC to host */
7507 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7508 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7509
7510 /* Suspend Tx switching to the PF. Completion of this ramrod
7511 * further guarantees that all the packets of that PF / child
7512 * VFs in BRB were processed by the Parser, so it is safe to
7513 * change the NIC_MODE register.
7514 */
7515 rc = bnx2x_func_switch_update(bp, 1);
7516 if (rc) {
7517 BNX2X_ERR("Can't suspend tx-switching!\n");
7518 return rc;
7519 }
7520
7521 /* Change NIC_MODE register */
7522 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7523
7524 /* Open input from network */
7525 if (bp->mf_mode == SINGLE_FUNCTION) {
7526 bnx2x_set_rx_filter(&bp->link_params, 1);
7527 } else {
7528 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7529 NIG_REG_LLH0_FUNC_EN, vlan_en);
7530 for (i = 0; i < NUM_MACS; i++) {
7531 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7532 4 * i) :
7533 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7534 mac_en[i]);
7535 }
7536 }
7537
7538 /* Enable BMC to host */
7539 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7540 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7541
7542 /* Resume Tx switching to the PF */
7543 rc = bnx2x_func_switch_update(bp, 0);
7544 if (rc) {
7545 BNX2X_ERR("Can't resume tx-switching!\n");
7546 return rc;
7547 }
7548
7549 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7550 return 0;
7551}
7552
7553int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7554{
7555 int rc;
7556
7557 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7558
7559 if (CONFIGURE_NIC_MODE(bp)) {
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007560 /* Configure searcher as part of function hw init */
Merav Sicron55c11942012-11-07 00:45:48 +00007561 bnx2x_init_searcher(bp);
7562
7563 /* Reset NIC mode */
7564 rc = bnx2x_reset_nic_mode(bp);
7565 if (rc)
7566 BNX2X_ERR("Can't change NIC mode!\n");
7567 return rc;
7568 }
7569
7570 return 0;
7571}
7572
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007573static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007574{
7575 int port = BP_PORT(bp);
7576 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007577 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007578 struct bnx2x_ilt *ilt = BP_ILT(bp);
7579 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007580 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007581 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007582 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007583
Merav Sicron51c1a582012-03-18 10:33:38 +00007584 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007585
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007586 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007587 if (!CHIP_IS_E1x(bp)) {
7588 rc = bnx2x_pf_flr_clnup(bp);
Yuval Mintz04c46732013-01-23 03:21:46 +00007589 if (rc) {
7590 bnx2x_fw_dump(bp);
Ariel Elior89db4ad2012-01-26 06:01:48 +00007591 return rc;
Yuval Mintz04c46732013-01-23 03:21:46 +00007592 }
Ariel Elior89db4ad2012-01-26 06:01:48 +00007593 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007594
Eilon Greenstein8badd272009-02-12 08:36:15 +00007595 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007596 if (bp->common.int_block == INT_BLOCK_HC) {
7597 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7598 val = REG_RD(bp, addr);
7599 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7600 REG_WR(bp, addr, val);
7601 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007602
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007603 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7604 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7605
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007606 ilt = BP_ILT(bp);
7607 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007608
Ariel Elior290ca2b2013-01-01 05:22:31 +00007609 if (IS_SRIOV(bp))
7610 cdu_ilt_start += BNX2X_FIRST_VF_CID/ILT_PAGE_CIDS;
7611 cdu_ilt_start = bnx2x_iov_init_ilt(bp, cdu_ilt_start);
7612
7613 /* since BNX2X_FIRST_VF_CID > 0 the PF L2 cids precedes
7614 * those of the VFs, so start line should be reset
7615 */
7616 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007617 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007618 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007619 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007620 bp->context[i].cxt_mapping;
7621 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007622 }
Ariel Elior290ca2b2013-01-01 05:22:31 +00007623
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007624 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007625
Merav Sicron55c11942012-11-07 00:45:48 +00007626 if (!CONFIGURE_NIC_MODE(bp)) {
7627 bnx2x_init_searcher(bp);
7628 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7629 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7630 } else {
7631 /* Set NIC mode */
7632 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Yuval Mintz6bf07b82013-06-02 00:06:20 +00007633 DP(NETIF_MSG_IFUP, "NIC MODE configured\n");
Merav Sicron55c11942012-11-07 00:45:48 +00007634 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007635
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007636 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007637 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7638
7639 /* Turn on a single ISR mode in IGU if driver is going to use
7640 * INT#x or MSI
7641 */
7642 if (!(bp->flags & USING_MSIX_FLAG))
7643 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7644 /*
7645 * Timers workaround bug: function init part.
7646 * Need to wait 20msec after initializing ILT,
7647 * needed to make sure there are no requests in
7648 * one of the PXP internal queues with "old" ILT addresses
7649 */
7650 msleep(20);
7651 /*
7652 * Master enable - Due to WB DMAE writes performed before this
7653 * register is re-initialized as part of the regular function
7654 * init
7655 */
7656 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7657 /* Enable the function in IGU */
7658 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7659 }
7660
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007661 bp->dmae_ready = 1;
7662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007663 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007664
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007665 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007666 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7667
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007668 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7669 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7670 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7671 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7672 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7673 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7674 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7675 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7676 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7677 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7678 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7679 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7680 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007681
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007682 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007683 REG_WR(bp, QM_REG_PF_EN, 1);
7684
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007685 if (!CHIP_IS_E1x(bp)) {
7686 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7687 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7688 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7689 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7690 }
7691 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007692
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007693 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7694 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Ariel Eliorc19d65c2013-09-09 14:51:27 +03007695 REG_WR(bp, DORQ_REG_MODE_ACT, 1); /* no dpm */
Ariel Eliorb56e9672013-01-01 05:22:32 +00007696
7697 bnx2x_iov_init_dq(bp);
7698
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007699 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7700 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7701 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7702 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7703 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7704 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7705 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7706 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7707 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7708 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007709 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7710
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007711 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007712
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007713 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007714
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007715 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007716 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7717
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007718 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007719 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007720 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 }
7722
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007723 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007724
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007725 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007726 if (bp->common.int_block == INT_BLOCK_HC) {
7727 if (CHIP_IS_E1H(bp)) {
7728 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7729
7730 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7731 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7732 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007733 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007734
7735 } else {
7736 int num_segs, sb_idx, prod_offset;
7737
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007738 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7739
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007740 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007741 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7742 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7743 }
7744
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007745 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007746
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007747 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007748 int dsb_idx = 0;
7749 /**
7750 * Producer memory:
7751 * E2 mode: address 0-135 match to the mapping memory;
7752 * 136 - PF0 default prod; 137 - PF1 default prod;
7753 * 138 - PF2 default prod; 139 - PF3 default prod;
7754 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7755 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7756 * 144-147 reserved.
7757 *
7758 * E1.5 mode - In backward compatible mode;
7759 * for non default SB; each even line in the memory
7760 * holds the U producer and each odd line hold
7761 * the C producer. The first 128 producers are for
7762 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7763 * producers are for the DSB for each PF.
7764 * Each PF has five segments: (the order inside each
7765 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7766 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7767 * 144-147 attn prods;
7768 */
7769 /* non-default-status-blocks */
7770 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7771 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7772 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7773 prod_offset = (bp->igu_base_sb + sb_idx) *
7774 num_segs;
7775
7776 for (i = 0; i < num_segs; i++) {
7777 addr = IGU_REG_PROD_CONS_MEMORY +
7778 (prod_offset + i) * 4;
7779 REG_WR(bp, addr, 0);
7780 }
7781 /* send consumer update with value 0 */
7782 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7783 USTORM_ID, 0, IGU_INT_NOP, 1);
7784 bnx2x_igu_clear_sb(bp,
7785 bp->igu_base_sb + sb_idx);
7786 }
7787
7788 /* default-status-blocks */
7789 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7790 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7791
7792 if (CHIP_MODE_IS_4_PORT(bp))
7793 dsb_idx = BP_FUNC(bp);
7794 else
David S. Miller8decf862011-09-22 03:23:13 -04007795 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007796
7797 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7798 IGU_BC_BASE_DSB_PROD + dsb_idx :
7799 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7800
David S. Miller8decf862011-09-22 03:23:13 -04007801 /*
7802 * igu prods come in chunks of E1HVN_MAX (4) -
7803 * does not matters what is the current chip mode
7804 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007805 for (i = 0; i < (num_segs * E1HVN_MAX);
7806 i += E1HVN_MAX) {
7807 addr = IGU_REG_PROD_CONS_MEMORY +
7808 (prod_offset + i)*4;
7809 REG_WR(bp, addr, 0);
7810 }
7811 /* send consumer update with 0 */
7812 if (CHIP_INT_MODE_IS_BC(bp)) {
7813 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7814 USTORM_ID, 0, IGU_INT_NOP, 1);
7815 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7816 CSTORM_ID, 0, IGU_INT_NOP, 1);
7817 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7818 XSTORM_ID, 0, IGU_INT_NOP, 1);
7819 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7820 TSTORM_ID, 0, IGU_INT_NOP, 1);
7821 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7822 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7823 } else {
7824 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7825 USTORM_ID, 0, IGU_INT_NOP, 1);
7826 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7827 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7828 }
7829 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7830
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007831 /* !!! These should become driver const once
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007832 rf-tool supports split-68 const */
7833 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7834 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7835 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7836 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7837 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7838 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7839 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007840 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007841
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007842 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007843 REG_WR(bp, 0x2114, 0xffffffff);
7844 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007845
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007846 if (CHIP_IS_E1x(bp)) {
7847 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7848 main_mem_base = HC_REG_MAIN_MEMORY +
7849 BP_PORT(bp) * (main_mem_size * 4);
7850 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7851 main_mem_width = 8;
7852
7853 val = REG_RD(bp, main_mem_prty_clr);
7854 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007855 DP(NETIF_MSG_HW,
7856 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7857 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007858
7859 /* Clear "false" parity errors in MSI-X table */
7860 for (i = main_mem_base;
7861 i < main_mem_base + main_mem_size * 4;
7862 i += main_mem_width) {
7863 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7864 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7865 i, main_mem_width / 4);
7866 }
7867 /* Clear HC parity attention */
7868 REG_RD(bp, main_mem_prty_clr);
7869 }
7870
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007871#ifdef BNX2X_STOP_ON_ERROR
7872 /* Enable STORMs SP logging */
7873 REG_WR8(bp, BAR_USTRORM_INTMEM +
7874 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7875 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7876 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7877 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7878 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7879 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7880 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7881#endif
7882
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007883 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885 return 0;
7886}
7887
Merav Sicron55c11942012-11-07 00:45:48 +00007888void bnx2x_free_mem_cnic(struct bnx2x *bp)
7889{
7890 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
7891
7892 if (!CHIP_IS_E1x(bp))
7893 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7894 sizeof(struct host_hc_status_block_e2));
7895 else
7896 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7897 sizeof(struct host_hc_status_block_e1x));
7898
7899 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7900}
7901
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007902void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007903{
Merav Sicrona0529972012-06-19 07:48:25 +00007904 int i;
7905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007906 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7907 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7908
Ariel Eliorb4cddbd2013-08-28 01:13:03 +03007909 if (IS_VF(bp))
7910 return;
7911
7912 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
7913 sizeof(struct host_sp_status_block));
7914
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007915 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007916 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007917
Merav Sicrona0529972012-06-19 07:48:25 +00007918 for (i = 0; i < L2_ILT_LINES(bp); i++)
7919 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7920 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007921 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7922
7923 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007924
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007925 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007926
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007927 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7928 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Yuval Mintz580d9d02013-01-23 03:21:51 +00007929
Yuval Mintz05952242013-05-01 04:27:58 +00007930 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7931
Yuval Mintz580d9d02013-01-23 03:21:51 +00007932 bnx2x_iov_free_mem(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007933}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007934
Merav Sicron55c11942012-11-07 00:45:48 +00007935int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007936{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007937 if (!CHIP_IS_E1x(bp))
7938 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007939 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7940 sizeof(struct host_hc_status_block_e2));
7941 else
Merav Sicron55c11942012-11-07 00:45:48 +00007942 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb,
7943 &bp->cnic_sb_mapping,
7944 sizeof(struct
7945 host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007946
Yuval Mintz2f7a3122013-04-24 01:45:01 +00007947 if (CONFIGURE_NIC_MODE(bp) && !bp->t2)
Yuval Mintz16a5fd92013-06-02 00:06:18 +00007948 /* allocate searcher T2 table, as it wasn't allocated before */
Merav Sicron55c11942012-11-07 00:45:48 +00007949 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007950
Merav Sicron55c11942012-11-07 00:45:48 +00007951 /* write address to which L5 should insert its values */
7952 bp->cnic_eth_dev.addr_drv_info_to_mcp =
7953 &bp->slowpath->drv_info_to_mcp;
7954
7955 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
7956 goto alloc_mem_err;
7957
7958 return 0;
7959
7960alloc_mem_err:
7961 bnx2x_free_mem_cnic(bp);
7962 BNX2X_ERR("Can't allocate memory\n");
7963 return -ENOMEM;
7964}
7965
7966int bnx2x_alloc_mem(struct bnx2x *bp)
7967{
7968 int i, allocated, context_size;
7969
Yuval Mintz2f7a3122013-04-24 01:45:01 +00007970 if (!CONFIGURE_NIC_MODE(bp) && !bp->t2)
Merav Sicron55c11942012-11-07 00:45:48 +00007971 /* allocate searcher T2 table */
7972 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007973
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007974 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007975 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007976
7977 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7978 sizeof(struct bnx2x_slowpath));
7979
Merav Sicrona0529972012-06-19 07:48:25 +00007980 /* Allocate memory for CDU context:
7981 * This memory is allocated separately and not in the generic ILT
7982 * functions because CDU differs in few aspects:
7983 * 1. There are multiple entities allocating memory for context -
7984 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7985 * its own ILT lines.
7986 * 2. Since CDU page-size is not a single 4KB page (which is the case
7987 * for the other ILT clients), to be efficient we want to support
7988 * allocation of sub-page-size in the last entry.
7989 * 3. Context pointers are used by the driver to pass to FW / update
7990 * the context (for the other ILT clients the pointers are used just to
7991 * free the memory during unload).
7992 */
7993 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007994
Merav Sicrona0529972012-06-19 07:48:25 +00007995 for (i = 0, allocated = 0; allocated < context_size; i++) {
7996 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7997 (context_size - allocated));
7998 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7999 &bp->context[i].cxt_mapping,
8000 bp->context[i].size);
8001 allocated += bp->context[i].size;
8002 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008003 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008004
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008005 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
8006 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008007
Ariel Elior67c431a2013-01-01 05:22:36 +00008008 if (bnx2x_iov_alloc_mem(bp))
8009 goto alloc_mem_err;
8010
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008011 /* Slow path ring */
8012 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
8013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008014 /* EQ */
8015 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
8016 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00008017
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008018 return 0;
8019
8020alloc_mem_err:
8021 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00008022 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008023 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008024}
8025
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008026/*
8027 * Init service functions
8028 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008029
8030int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
8031 struct bnx2x_vlan_mac_obj *obj, bool set,
8032 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008033{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008034 int rc;
8035 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008036
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008037 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008038
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008039 /* Fill general parameters */
8040 ramrod_param.vlan_mac_obj = obj;
8041 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008043 /* Fill a user request section if needed */
8044 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
8045 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008046
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008047 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008048
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008049 /* Set the command: ADD or DEL */
8050 if (set)
8051 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
8052 else
8053 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008054 }
8055
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008056 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00008057
8058 if (rc == -EEXIST) {
8059 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
8060 /* do not treat adding same MAC as error */
8061 rc = 0;
8062 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008063 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00008064
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008065 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008066}
8067
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008068int bnx2x_del_all_macs(struct bnx2x *bp,
8069 struct bnx2x_vlan_mac_obj *mac_obj,
8070 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00008071{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008072 int rc;
8073 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
8074
8075 /* Wait for completion of requested */
8076 if (wait_for_comp)
8077 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8078
8079 /* Set the mac type of addresses we want to clear */
8080 __set_bit(mac_type, &vlan_mac_flags);
8081
8082 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
8083 if (rc < 0)
8084 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
8085
8086 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00008087}
8088
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008089int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008090{
Barak Witkowskia3348722012-04-23 03:04:46 +00008091 if (is_zero_ether_addr(bp->dev->dev_addr) &&
8092 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008093 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
8094 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00008095 return 0;
8096 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00008097
Dmitry Kravkovf8f4f612013-04-24 01:45:00 +00008098 if (IS_PF(bp)) {
8099 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008100
Dmitry Kravkovf8f4f612013-04-24 01:45:00 +00008101 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
8102 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8103 return bnx2x_set_mac_one(bp, bp->dev->dev_addr,
8104 &bp->sp_objs->mac_obj, set,
8105 BNX2X_ETH_MAC, &ramrod_flags);
8106 } else { /* vf */
8107 return bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr,
8108 bp->fp->index, true);
8109 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008110}
8111
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008112int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00008113{
Ariel Elior60cad4e2013-09-04 14:09:22 +03008114 if (IS_PF(bp))
8115 return bnx2x_setup_queue(bp, &bp->fp[0], true);
8116 else /* VF */
8117 return bnx2x_vfpf_setup_q(bp, &bp->fp[0], true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008118}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008119
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008120/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008121 * bnx2x_set_int_mode - configure interrupt mode
8122 *
8123 * @bp: driver handle
8124 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008125 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008126 */
Ariel Elior1ab44342013-01-01 05:22:23 +00008127int bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008128{
Ariel Elior1ab44342013-01-01 05:22:23 +00008129 int rc = 0;
8130
Ariel Elior60cad4e2013-09-04 14:09:22 +03008131 if (IS_VF(bp) && int_mode != BNX2X_INT_MODE_MSIX) {
8132 BNX2X_ERR("VF not loaded since interrupt mode not msix\n");
Ariel Elior1ab44342013-01-01 05:22:23 +00008133 return -EINVAL;
Ariel Elior60cad4e2013-09-04 14:09:22 +03008134 }
Ariel Elior1ab44342013-01-01 05:22:23 +00008135
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00008136 switch (int_mode) {
Ariel Elior1ab44342013-01-01 05:22:23 +00008137 case BNX2X_INT_MODE_MSIX:
8138 /* attempt to enable msix */
8139 rc = bnx2x_enable_msix(bp);
8140
8141 /* msix attained */
8142 if (!rc)
8143 return 0;
8144
8145 /* vfs use only msix */
8146 if (rc && IS_VF(bp))
8147 return rc;
8148
8149 /* failed to enable multiple MSI-X */
8150 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
8151 bp->num_queues,
8152 1 + bp->num_cnic_queues);
8153
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008154 /* falling through... */
Ariel Elior1ab44342013-01-01 05:22:23 +00008155 case BNX2X_INT_MODE_MSI:
8156 bnx2x_enable_msi(bp);
8157
8158 /* falling through... */
8159 case BNX2X_INT_MODE_INTX:
Merav Sicron55c11942012-11-07 00:45:48 +00008160 bp->num_ethernet_queues = 1;
8161 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00008162 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07008163 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07008164 default:
Ariel Elior1ab44342013-01-01 05:22:23 +00008165 BNX2X_DEV_INFO("unknown value in int_mode module parameter\n");
8166 return -EINVAL;
Eilon Greensteinca003922009-08-12 22:53:28 -07008167 }
Ariel Elior1ab44342013-01-01 05:22:23 +00008168 return 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07008169}
8170
Ariel Elior1ab44342013-01-01 05:22:23 +00008171/* must be called prior to any HW initializations */
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008172static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
8173{
Ariel Elior290ca2b2013-01-01 05:22:31 +00008174 if (IS_SRIOV(bp))
8175 return (BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)/ILT_PAGE_CIDS;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00008176 return L2_ILT_LINES(bp);
8177}
8178
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008179void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008180{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008181 struct ilt_client_info *ilt_client;
8182 struct bnx2x_ilt *ilt = BP_ILT(bp);
8183 u16 line = 0;
8184
8185 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
8186 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
8187
8188 /* CDU */
8189 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
8190 ilt_client->client_num = ILT_CLIENT_CDU;
8191 ilt_client->page_size = CDU_ILT_PAGE_SZ;
8192 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
8193 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008194 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008195
8196 if (CNIC_SUPPORT(bp))
8197 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008198 ilt_client->end = line - 1;
8199
Merav Sicron51c1a582012-03-18 10:33:38 +00008200 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 +00008201 ilt_client->start,
8202 ilt_client->end,
8203 ilt_client->page_size,
8204 ilt_client->flags,
8205 ilog2(ilt_client->page_size >> 12));
8206
8207 /* QM */
8208 if (QM_INIT(bp->qm_cid_count)) {
8209 ilt_client = &ilt->clients[ILT_CLIENT_QM];
8210 ilt_client->client_num = ILT_CLIENT_QM;
8211 ilt_client->page_size = QM_ILT_PAGE_SZ;
8212 ilt_client->flags = 0;
8213 ilt_client->start = line;
8214
8215 /* 4 bytes for each cid */
8216 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
8217 QM_ILT_PAGE_SZ);
8218
8219 ilt_client->end = line - 1;
8220
Merav Sicron51c1a582012-03-18 10:33:38 +00008221 DP(NETIF_MSG_IFUP,
8222 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008223 ilt_client->start,
8224 ilt_client->end,
8225 ilt_client->page_size,
8226 ilt_client->flags,
8227 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008228 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008229
Merav Sicron55c11942012-11-07 00:45:48 +00008230 if (CNIC_SUPPORT(bp)) {
8231 /* SRC */
8232 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
8233 ilt_client->client_num = ILT_CLIENT_SRC;
8234 ilt_client->page_size = SRC_ILT_PAGE_SZ;
8235 ilt_client->flags = 0;
8236 ilt_client->start = line;
8237 line += SRC_ILT_LINES;
8238 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008239
Merav Sicron55c11942012-11-07 00:45:48 +00008240 DP(NETIF_MSG_IFUP,
8241 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8242 ilt_client->start,
8243 ilt_client->end,
8244 ilt_client->page_size,
8245 ilt_client->flags,
8246 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008247
Merav Sicron55c11942012-11-07 00:45:48 +00008248 /* TM */
8249 ilt_client = &ilt->clients[ILT_CLIENT_TM];
8250 ilt_client->client_num = ILT_CLIENT_TM;
8251 ilt_client->page_size = TM_ILT_PAGE_SZ;
8252 ilt_client->flags = 0;
8253 ilt_client->start = line;
8254 line += TM_ILT_LINES;
8255 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008256
Merav Sicron55c11942012-11-07 00:45:48 +00008257 DP(NETIF_MSG_IFUP,
8258 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8259 ilt_client->start,
8260 ilt_client->end,
8261 ilt_client->page_size,
8262 ilt_client->flags,
8263 ilog2(ilt_client->page_size >> 12));
8264 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008265
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008266 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008267}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008268
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008269/**
8270 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
8271 *
8272 * @bp: driver handle
8273 * @fp: pointer to fastpath
8274 * @init_params: pointer to parameters structure
8275 *
8276 * parameters configured:
8277 * - HC configuration
8278 * - Queue's CDU context
8279 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008280static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008281 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008282{
Ariel Elior6383c0b2011-07-14 08:31:57 +00008283 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00008284 int cxt_index, cxt_offset;
8285
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008286 /* FCoE Queue uses Default SB, thus has no HC capabilities */
8287 if (!IS_FCOE_FP(fp)) {
8288 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
8289 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
8290
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008291 /* If HC is supported, enable host coalescing in the transition
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008292 * to INIT state.
8293 */
8294 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
8295 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
8296
8297 /* HC rate */
8298 init_params->rx.hc_rate = bp->rx_ticks ?
8299 (1000000 / bp->rx_ticks) : 0;
8300 init_params->tx.hc_rate = bp->tx_ticks ?
8301 (1000000 / bp->tx_ticks) : 0;
8302
8303 /* FW SB ID */
8304 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
8305 fp->fw_sb_id;
8306
8307 /*
8308 * CQ index among the SB indices: FCoE clients uses the default
8309 * SB, therefore it's different.
8310 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008311 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
8312 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008313 }
8314
Ariel Elior6383c0b2011-07-14 08:31:57 +00008315 /* set maximum number of COSs supported by this queue */
8316 init_params->max_cos = fp->max_cos;
8317
Merav Sicron51c1a582012-03-18 10:33:38 +00008318 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008319 fp->index, init_params->max_cos);
8320
8321 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00008322 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00008323 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
8324 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00008325 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008326 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00008327 &bp->context[cxt_index].vcxt[cxt_offset].eth;
8328 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008329}
8330
Merav Sicron910cc722012-11-11 03:56:08 +00008331static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00008332 struct bnx2x_queue_state_params *q_params,
8333 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
8334 int tx_index, bool leading)
8335{
8336 memset(tx_only_params, 0, sizeof(*tx_only_params));
8337
8338 /* Set the command */
8339 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
8340
8341 /* Set tx-only QUEUE flags: don't zero statistics */
8342 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
8343
8344 /* choose the index of the cid to send the slow path on */
8345 tx_only_params->cid_index = tx_index;
8346
8347 /* Set general TX_ONLY_SETUP parameters */
8348 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
8349
8350 /* Set Tx TX_ONLY_SETUP parameters */
8351 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
8352
Merav Sicron51c1a582012-03-18 10:33:38 +00008353 DP(NETIF_MSG_IFUP,
8354 "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 +00008355 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
8356 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
8357 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
8358
8359 /* send the ramrod */
8360 return bnx2x_queue_state_change(bp, q_params);
8361}
8362
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008363/**
8364 * bnx2x_setup_queue - setup queue
8365 *
8366 * @bp: driver handle
8367 * @fp: pointer to fastpath
8368 * @leading: is leading
8369 *
8370 * This function performs 2 steps in a Queue state machine
8371 * actually: 1) RESET->INIT 2) INIT->SETUP
8372 */
8373
8374int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8375 bool leading)
8376{
Yuval Mintz3b603062012-03-18 10:33:39 +00008377 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008378 struct bnx2x_queue_setup_params *setup_params =
8379 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008380 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8381 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008382 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008383 u8 tx_index;
8384
Merav Sicron51c1a582012-03-18 10:33:38 +00008385 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008386
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008387 /* reset IGU state skip FCoE L2 queue */
8388 if (!IS_FCOE_FP(fp))
8389 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008390 IGU_INT_ENABLE, 0);
8391
Barak Witkowski15192a82012-06-19 07:48:28 +00008392 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008393 /* We want to wait for completion in this context */
8394 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008395
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008396 /* Prepare the INIT parameters */
8397 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008398
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008399 /* Set the command */
8400 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008401
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008402 /* Change the state to INIT */
8403 rc = bnx2x_queue_state_change(bp, &q_params);
8404 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008405 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008406 return rc;
8407 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008408
Merav Sicron51c1a582012-03-18 10:33:38 +00008409 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008410
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008411 /* Now move the Queue to the SETUP state... */
8412 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008413
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008414 /* Set QUEUE flags */
8415 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008416
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008417 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008418 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8419 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008420
Ariel Elior6383c0b2011-07-14 08:31:57 +00008421 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008422 &setup_params->rxq_params);
8423
Ariel Elior6383c0b2011-07-14 08:31:57 +00008424 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8425 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008426
8427 /* Set the command */
8428 q_params.cmd = BNX2X_Q_CMD_SETUP;
8429
Merav Sicron55c11942012-11-07 00:45:48 +00008430 if (IS_FCOE_FP(fp))
8431 bp->fcoe_init = true;
8432
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008433 /* Change the state to SETUP */
8434 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008435 if (rc) {
8436 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8437 return rc;
8438 }
8439
8440 /* loop through the relevant tx-only indices */
8441 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8442 tx_index < fp->max_cos;
8443 tx_index++) {
8444
8445 /* prepare and send tx-only ramrod*/
8446 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8447 tx_only_params, tx_index, leading);
8448 if (rc) {
8449 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8450 fp->index, tx_index);
8451 return rc;
8452 }
8453 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008454
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008455 return rc;
8456}
8457
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008458static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008459{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008460 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008461 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008462 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008463 int rc, tx_index;
8464
Merav Sicron51c1a582012-03-18 10:33:38 +00008465 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008466
Barak Witkowski15192a82012-06-19 07:48:28 +00008467 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008468 /* We want to wait for completion in this context */
8469 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008470
Ariel Elior6383c0b2011-07-14 08:31:57 +00008471 /* close tx-only connections */
8472 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8473 tx_index < fp->max_cos;
8474 tx_index++){
8475
8476 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008477 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008478
Merav Sicron51c1a582012-03-18 10:33:38 +00008479 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008480 txdata->txq_index);
8481
8482 /* send halt terminate on tx-only connection */
8483 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8484 memset(&q_params.params.terminate, 0,
8485 sizeof(q_params.params.terminate));
8486 q_params.params.terminate.cid_index = tx_index;
8487
8488 rc = bnx2x_queue_state_change(bp, &q_params);
8489 if (rc)
8490 return rc;
8491
8492 /* send halt terminate on tx-only connection */
8493 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8494 memset(&q_params.params.cfc_del, 0,
8495 sizeof(q_params.params.cfc_del));
8496 q_params.params.cfc_del.cid_index = tx_index;
8497 rc = bnx2x_queue_state_change(bp, &q_params);
8498 if (rc)
8499 return rc;
8500 }
8501 /* Stop the primary connection: */
8502 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008503 q_params.cmd = BNX2X_Q_CMD_HALT;
8504 rc = bnx2x_queue_state_change(bp, &q_params);
8505 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008506 return rc;
8507
Ariel Elior6383c0b2011-07-14 08:31:57 +00008508 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008509 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008510 memset(&q_params.params.terminate, 0,
8511 sizeof(q_params.params.terminate));
8512 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008513 rc = bnx2x_queue_state_change(bp, &q_params);
8514 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008515 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008516 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008517 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008518 memset(&q_params.params.cfc_del, 0,
8519 sizeof(q_params.params.cfc_del));
8520 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008521 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008522}
8523
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008524static void bnx2x_reset_func(struct bnx2x *bp)
8525{
8526 int port = BP_PORT(bp);
8527 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008528 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008529
8530 /* Disable the function in the FW */
8531 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8532 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8533 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8534 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8535
8536 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008537 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008538 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008539 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008540 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8541 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008542 }
8543
Merav Sicron55c11942012-11-07 00:45:48 +00008544 if (CNIC_LOADED(bp))
8545 /* CNIC SB */
8546 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8547 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8548 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8549
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008550 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008551 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Yuval Mintz2de67432013-01-23 03:21:43 +00008552 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8553 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008554
8555 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8556 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8557 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008558
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008559 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008560 if (bp->common.int_block == INT_BLOCK_HC) {
8561 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8562 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8563 } else {
8564 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8565 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8566 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008567
Merav Sicron55c11942012-11-07 00:45:48 +00008568 if (CNIC_LOADED(bp)) {
8569 /* Disable Timer scan */
8570 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8571 /*
8572 * Wait for at least 10ms and up to 2 second for the timers
8573 * scan to complete
8574 */
8575 for (i = 0; i < 200; i++) {
Yuval Mintz639d65b2013-06-02 00:06:21 +00008576 usleep_range(10000, 20000);
Merav Sicron55c11942012-11-07 00:45:48 +00008577 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8578 break;
8579 }
Michael Chan37b091b2009-10-10 13:46:55 +00008580 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008581 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008582 bnx2x_clear_func_ilt(bp, func);
8583
8584 /* Timers workaround bug for E2: if this is vnic-3,
8585 * we need to set the entire ilt range for this timers.
8586 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008587 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008588 struct ilt_client_info ilt_cli;
8589 /* use dummy TM client */
8590 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8591 ilt_cli.start = 0;
8592 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8593 ilt_cli.client_num = ILT_CLIENT_TM;
8594
8595 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8596 }
8597
8598 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008599 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008600 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008601
8602 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008603}
8604
8605static void bnx2x_reset_port(struct bnx2x *bp)
8606{
8607 int port = BP_PORT(bp);
8608 u32 val;
8609
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008610 /* Reset physical Link */
8611 bnx2x__link_reset(bp);
8612
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008613 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8614
8615 /* Do not rcv packets to BRB */
8616 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8617 /* Do not direct rcv packets that are not for MCP to the BRB */
8618 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8619 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8620
8621 /* Configure AEU */
8622 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8623
8624 msleep(100);
8625 /* Check for BRB port occupancy */
8626 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8627 if (val)
8628 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008629 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008630
8631 /* TODO: Close Doorbell port? */
8632}
8633
Eric Dumazet1191cb82012-04-27 21:39:21 +00008634static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008635{
Yuval Mintz3b603062012-03-18 10:33:39 +00008636 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008637
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008638 /* Prepare parameters for function state transitions */
8639 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008640
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008641 func_params.f_obj = &bp->func_obj;
8642 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008643
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008644 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008646 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008647}
8648
Eric Dumazet1191cb82012-04-27 21:39:21 +00008649static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008650{
Yuval Mintz3b603062012-03-18 10:33:39 +00008651 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008652 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008653
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008654 /* Prepare parameters for function state transitions */
8655 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8656 func_params.f_obj = &bp->func_obj;
8657 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008659 /*
8660 * Try to stop the function the 'good way'. If fails (in case
8661 * of a parity error during bnx2x_chip_cleanup()) and we are
8662 * not in a debug mode, perform a state transaction in order to
8663 * enable further HW_RESET transaction.
8664 */
8665 rc = bnx2x_func_state_change(bp, &func_params);
8666 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008667#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008668 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008669#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008670 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008671 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8672 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008673#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008674 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008675
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008676 return 0;
8677}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008678
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008679/**
8680 * bnx2x_send_unload_req - request unload mode from the MCP.
8681 *
8682 * @bp: driver handle
8683 * @unload_mode: requested function's unload mode
8684 *
8685 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8686 */
8687u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8688{
8689 u32 reset_code = 0;
8690 int port = BP_PORT(bp);
8691
8692 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008693 if (unload_mode == UNLOAD_NORMAL)
8694 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008695
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008696 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008697 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008698
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008699 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008700 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008701 u8 *mac_addr = bp->dev->dev_addr;
Jon Mason29ed74c2013-09-11 11:22:39 -07008702 struct pci_dev *pdev = bp->pdev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008703 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008704 u16 pmc;
8705
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008706 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008707 * preserve entry 0 which is used by the PMF
8708 */
David S. Miller8decf862011-09-22 03:23:13 -04008709 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008710
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008711 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008712 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008713
8714 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8715 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008716 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008717
David S. Miller88c51002011-10-07 13:38:43 -04008718 /* Enable the PME and clear the status */
Jon Mason29ed74c2013-09-11 11:22:39 -07008719 pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &pmc);
David S. Miller88c51002011-10-07 13:38:43 -04008720 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
Jon Mason29ed74c2013-09-11 11:22:39 -07008721 pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, pmc);
David S. Miller88c51002011-10-07 13:38:43 -04008722
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008723 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008725 } else
8726 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8727
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008728 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008729 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008730 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008731 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008732 int path = BP_PATH(bp);
8733
Merav Sicron51c1a582012-03-18 10:33:38 +00008734 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008735 path, load_count[path][0], load_count[path][1],
8736 load_count[path][2]);
8737 load_count[path][0]--;
8738 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008739 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008740 path, load_count[path][0], load_count[path][1],
8741 load_count[path][2]);
8742 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008743 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008744 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008745 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8746 else
8747 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8748 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008749
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008750 return reset_code;
8751}
8752
8753/**
8754 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8755 *
8756 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008757 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008758 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008759void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008760{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008761 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8762
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008763 /* Report UNLOAD_DONE to MCP */
8764 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008765 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008766}
8767
Eric Dumazet1191cb82012-04-27 21:39:21 +00008768static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008769{
8770 int tout = 50;
8771 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8772
8773 if (!bp->port.pmf)
8774 return 0;
8775
8776 /*
8777 * (assumption: No Attention from MCP at this stage)
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008778 * PMF probably in the middle of TX disable/enable transaction
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008779 * 1. Sync IRS for default SB
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008780 * 2. Sync SP queue - this guarantees us that attention handling started
8781 * 3. Wait, that TX disable/enable transaction completes
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008782 *
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008783 * 1+2 guarantee that if DCBx attention was scheduled it already changed
8784 * pending bit of transaction from STARTED-->TX_STOPPED, if we already
8785 * received completion for the transaction the state is TX_STOPPED.
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008786 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8787 * transaction.
8788 */
8789
8790 /* make sure default SB ISR is done */
8791 if (msix)
8792 synchronize_irq(bp->msix_table[0].vector);
8793 else
8794 synchronize_irq(bp->pdev->irq);
8795
8796 flush_workqueue(bnx2x_wq);
8797
8798 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8799 BNX2X_F_STATE_STARTED && tout--)
8800 msleep(20);
8801
8802 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8803 BNX2X_F_STATE_STARTED) {
8804#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008805 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008806 return -EBUSY;
8807#else
8808 /*
8809 * Failed to complete the transaction in a "good way"
8810 * Force both transactions with CLR bit
8811 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008812 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008813
Merav Sicron51c1a582012-03-18 10:33:38 +00008814 DP(NETIF_MSG_IFDOWN,
Yuval Mintz6bf07b82013-06-02 00:06:20 +00008815 "Hmmm... Unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008816
8817 func_params.f_obj = &bp->func_obj;
8818 __set_bit(RAMROD_DRV_CLR_ONLY,
8819 &func_params.ramrod_flags);
8820
8821 /* STARTED-->TX_ST0PPED */
8822 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8823 bnx2x_func_state_change(bp, &func_params);
8824
8825 /* TX_ST0PPED-->STARTED */
8826 func_params.cmd = BNX2X_F_CMD_TX_START;
8827 return bnx2x_func_state_change(bp, &func_params);
8828#endif
8829 }
8830
8831 return 0;
8832}
8833
Yuval Mintz5d07d862012-09-13 02:56:21 +00008834void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008835{
8836 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008837 int i, rc = 0;
8838 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008839 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008840 u32 reset_code;
8841
8842 /* Wait until tx fastpath tasks complete */
8843 for_each_tx_queue(bp, i) {
8844 struct bnx2x_fastpath *fp = &bp->fp[i];
8845
Ariel Elior6383c0b2011-07-14 08:31:57 +00008846 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008847 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008848#ifdef BNX2X_STOP_ON_ERROR
8849 if (rc)
8850 return;
8851#endif
8852 }
8853
8854 /* Give HW time to discard old tx messages */
Yuval Mintz0926d492013-01-23 03:21:45 +00008855 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008856
8857 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008858 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8859 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008860 if (rc < 0)
8861 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8862
8863 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008864 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008865 true);
8866 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008867 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8868 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008869
8870 /* Disable LLH */
8871 if (!CHIP_IS_E1(bp))
8872 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8873
8874 /* Set "drop all" (stop Rx).
8875 * We need to take a netif_addr_lock() here in order to prevent
8876 * a race between the completion code and this code.
8877 */
8878 netif_addr_lock_bh(bp->dev);
8879 /* Schedule the rx_mode command */
8880 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8881 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8882 else
8883 bnx2x_set_storm_rx_mode(bp);
8884
8885 /* Cleanup multicast configuration */
8886 rparam.mcast_obj = &bp->mcast_obj;
8887 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8888 if (rc < 0)
8889 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8890
8891 netif_addr_unlock_bh(bp->dev);
8892
Ariel Eliorf1929b02013-01-01 05:22:41 +00008893 bnx2x_iov_chip_cleanup(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008894
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008895 /*
8896 * Send the UNLOAD_REQUEST to the MCP. This will return if
8897 * this function should perform FUNC, PORT or COMMON HW
8898 * reset.
8899 */
8900 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8901
8902 /*
8903 * (assumption: No Attention from MCP at this stage)
Yuval Mintz16a5fd92013-06-02 00:06:18 +00008904 * PMF probably in the middle of TX disable/enable transaction
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008905 */
8906 rc = bnx2x_func_wait_started(bp);
8907 if (rc) {
8908 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8909#ifdef BNX2X_STOP_ON_ERROR
8910 return;
8911#endif
8912 }
8913
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008914 /* Close multi and leading connections
8915 * Completions for ramrods are collected in a synchronous way
8916 */
Merav Sicron55c11942012-11-07 00:45:48 +00008917 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008918 if (bnx2x_stop_queue(bp, i))
8919#ifdef BNX2X_STOP_ON_ERROR
8920 return;
8921#else
8922 goto unload_error;
8923#endif
Merav Sicron55c11942012-11-07 00:45:48 +00008924
8925 if (CNIC_LOADED(bp)) {
8926 for_each_cnic_queue(bp, i)
8927 if (bnx2x_stop_queue(bp, i))
8928#ifdef BNX2X_STOP_ON_ERROR
8929 return;
8930#else
8931 goto unload_error;
8932#endif
8933 }
8934
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008935 /* If SP settings didn't get completed so far - something
8936 * very wrong has happen.
8937 */
8938 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8939 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8940
8941#ifndef BNX2X_STOP_ON_ERROR
8942unload_error:
8943#endif
8944 rc = bnx2x_func_stop(bp);
8945 if (rc) {
8946 BNX2X_ERR("Function stop failed!\n");
8947#ifdef BNX2X_STOP_ON_ERROR
8948 return;
8949#endif
8950 }
8951
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008952 /* Disable HW interrupts, NAPI */
8953 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00008954 /* Delete all NAPI objects */
8955 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008956 if (CNIC_LOADED(bp))
8957 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008958
8959 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008960 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008961
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008962 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008963 rc = bnx2x_reset_hw(bp, reset_code);
8964 if (rc)
8965 BNX2X_ERR("HW_RESET failed\n");
8966
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008967 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008968 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008969}
8970
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008971void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008972{
8973 u32 val;
8974
Merav Sicron51c1a582012-03-18 10:33:38 +00008975 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008976
8977 if (CHIP_IS_E1(bp)) {
8978 int port = BP_PORT(bp);
8979 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8980 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8981
8982 val = REG_RD(bp, addr);
8983 val &= ~(0x300);
8984 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008985 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008986 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8987 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8988 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8989 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8990 }
8991}
8992
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008993/* Close gates #2, #3 and #4: */
8994static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8995{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008996 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008997
8998 /* Gates #2 and #4a are closed/opened for "not E1" only */
8999 if (!CHIP_IS_E1(bp)) {
9000 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009001 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009002 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009003 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009004 }
9005
9006 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009007 if (CHIP_IS_E1x(bp)) {
9008 /* Prevent interrupts from HC on both ports */
9009 val = REG_RD(bp, HC_REG_CONFIG_1);
9010 REG_WR(bp, HC_REG_CONFIG_1,
9011 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
9012 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
9013
9014 val = REG_RD(bp, HC_REG_CONFIG_0);
9015 REG_WR(bp, HC_REG_CONFIG_0,
9016 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
9017 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
9018 } else {
Jorrit Schippersd82603c2012-12-27 17:33:02 +01009019 /* Prevent incoming interrupts in IGU */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009020 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
9021
9022 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
9023 (!close) ?
9024 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
9025 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
9026 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009027
Merav Sicron51c1a582012-03-18 10:33:38 +00009028 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009029 close ? "closing" : "opening");
9030 mmiowb();
9031}
9032
9033#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
9034
9035static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
9036{
9037 /* Do some magic... */
9038 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9039 *magic_val = val & SHARED_MF_CLP_MAGIC;
9040 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
9041}
9042
Dmitry Kravkove8920672011-05-04 23:52:40 +00009043/**
9044 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009045 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009046 * @bp: driver handle
9047 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009048 */
9049static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
9050{
9051 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009052 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9053 MF_CFG_WR(bp, shared_mf_config.clp_mb,
9054 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
9055}
9056
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009057/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00009058 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009059 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009060 * @bp: driver handle
9061 * @magic_val: old value of 'magic' bit.
9062 *
9063 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009064 */
9065static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
9066{
9067 u32 shmem;
9068 u32 validity_offset;
9069
Merav Sicron51c1a582012-03-18 10:33:38 +00009070 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009071
9072 /* Set `magic' bit in order to save MF config */
9073 if (!CHIP_IS_E1(bp))
9074 bnx2x_clp_reset_prep(bp, magic_val);
9075
9076 /* Get shmem offset */
9077 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009078 validity_offset =
9079 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009080
9081 /* Clear validity map flags */
9082 if (shmem > 0)
9083 REG_WR(bp, shmem + validity_offset, 0);
9084}
9085
9086#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
9087#define MCP_ONE_TIMEOUT 100 /* 100 ms */
9088
Dmitry Kravkove8920672011-05-04 23:52:40 +00009089/**
9090 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009091 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00009092 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009093 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00009094static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009095{
9096 /* special handling for emulation and FPGA,
9097 wait 10 times longer */
9098 if (CHIP_REV_IS_SLOW(bp))
9099 msleep(MCP_ONE_TIMEOUT*10);
9100 else
9101 msleep(MCP_ONE_TIMEOUT);
9102}
9103
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009104/*
9105 * initializes bp->common.shmem_base and waits for validity signature to appear
9106 */
9107static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009108{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009109 int cnt = 0;
9110 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009111
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009112 do {
9113 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9114 if (bp->common.shmem_base) {
9115 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9116 if (val & SHR_MEM_VALIDITY_MB)
9117 return 0;
9118 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009119
9120 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009121
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009122 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009123
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009124 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009125
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009126 return -ENODEV;
9127}
9128
9129static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
9130{
9131 int rc = bnx2x_init_shmem(bp);
9132
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009133 /* Restore the `magic' bit value */
9134 if (!CHIP_IS_E1(bp))
9135 bnx2x_clp_reset_done(bp, magic_val);
9136
9137 return rc;
9138}
9139
9140static void bnx2x_pxp_prep(struct bnx2x *bp)
9141{
9142 if (!CHIP_IS_E1(bp)) {
9143 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
9144 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009145 mmiowb();
9146 }
9147}
9148
9149/*
9150 * Reset the whole chip except for:
9151 * - PCIE core
9152 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
9153 * one reset bit)
9154 * - IGU
9155 * - MISC (including AEU)
9156 * - GRC
9157 * - RBCN, RBCP
9158 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009159static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009160{
9161 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009162 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009163
9164 /*
9165 * Bits that have to be set in reset_mask2 if we want to reset 'global'
9166 * (per chip) blocks.
9167 */
9168 global_bits2 =
9169 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
9170 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009171
Barak Witkowskic55e7712012-12-02 04:05:46 +00009172 /* Don't reset the following blocks.
9173 * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
9174 * reset, as in 4 port device they might still be owned
9175 * by the MCP (there is only one leader per path).
9176 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009177 not_reset_mask1 =
9178 MISC_REGISTERS_RESET_REG_1_RST_HC |
9179 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
9180 MISC_REGISTERS_RESET_REG_1_RST_PXP;
9181
9182 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009183 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009184 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
9185 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
9186 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
9187 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
9188 MISC_REGISTERS_RESET_REG_2_RST_GRC |
9189 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009190 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
9191 MISC_REGISTERS_RESET_REG_2_RST_ATC |
Barak Witkowskic55e7712012-12-02 04:05:46 +00009192 MISC_REGISTERS_RESET_REG_2_PGLC |
9193 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
9194 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
9195 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
9196 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
9197 MISC_REGISTERS_RESET_REG_2_UMAC0 |
9198 MISC_REGISTERS_RESET_REG_2_UMAC1;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009199
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009200 /*
9201 * Keep the following blocks in reset:
9202 * - all xxMACs are handled by the bnx2x_link code.
9203 */
9204 stay_reset2 =
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009205 MISC_REGISTERS_RESET_REG_2_XMAC |
9206 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
9207
9208 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009209 reset_mask1 = 0xffffffff;
9210
9211 if (CHIP_IS_E1(bp))
9212 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009213 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009214 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009215 else if (CHIP_IS_E2(bp))
9216 reset_mask2 = 0xfffff;
9217 else /* CHIP_IS_E3 */
9218 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009219
9220 /* Don't reset global blocks unless we need to */
9221 if (!global)
9222 reset_mask2 &= ~global_bits2;
9223
9224 /*
9225 * In case of attention in the QM, we need to reset PXP
9226 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
9227 * because otherwise QM reset would release 'close the gates' shortly
9228 * before resetting the PXP, then the PSWRQ would send a write
9229 * request to PGLUE. Then when PXP is reset, PGLUE would try to
9230 * read the payload data from PSWWR, but PSWWR would not
9231 * respond. The write queue in PGLUE would stuck, dmae commands
9232 * would not return. Therefore it's important to reset the second
9233 * reset register (containing the
9234 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
9235 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
9236 * bit).
9237 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009238 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
9239 reset_mask2 & (~not_reset_mask2));
9240
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009241 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
9242 reset_mask1 & (~not_reset_mask1));
9243
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009244 barrier();
9245 mmiowb();
9246
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00009247 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
9248 reset_mask2 & (~stay_reset2));
9249
9250 barrier();
9251 mmiowb();
9252
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009253 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009254 mmiowb();
9255}
9256
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009257/**
9258 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
9259 * It should get cleared in no more than 1s.
9260 *
9261 * @bp: driver handle
9262 *
9263 * It should get cleared in no more than 1s. Returns 0 if
9264 * pending writes bit gets cleared.
9265 */
9266static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
9267{
9268 u32 cnt = 1000;
9269 u32 pend_bits = 0;
9270
9271 do {
9272 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
9273
9274 if (pend_bits == 0)
9275 break;
9276
Yuval Mintz0926d492013-01-23 03:21:45 +00009277 usleep_range(1000, 2000);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009278 } while (cnt-- > 0);
9279
9280 if (cnt <= 0) {
9281 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
9282 pend_bits);
9283 return -EBUSY;
9284 }
9285
9286 return 0;
9287}
9288
9289static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009290{
9291 int cnt = 1000;
9292 u32 val = 0;
9293 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
Yuval Mintz2de67432013-01-23 03:21:43 +00009294 u32 tags_63_32 = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009295
9296 /* Empty the Tetris buffer, wait for 1s */
9297 do {
9298 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
9299 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
9300 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
9301 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
9302 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009303 if (CHIP_IS_E3(bp))
9304 tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
9305
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009306 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
9307 ((port_is_idle_0 & 0x1) == 0x1) &&
9308 ((port_is_idle_1 & 0x1) == 0x1) &&
Barak Witkowskic55e7712012-12-02 04:05:46 +00009309 (pgl_exp_rom2 == 0xffffffff) &&
9310 (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009311 break;
Yuval Mintz0926d492013-01-23 03:21:45 +00009312 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009313 } while (cnt-- > 0);
9314
9315 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009316 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
9317 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 +00009318 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
9319 pgl_exp_rom2);
9320 return -EAGAIN;
9321 }
9322
9323 barrier();
9324
9325 /* Close gates #2, #3 and #4 */
9326 bnx2x_set_234_gates(bp, true);
9327
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009328 /* Poll for IGU VQs for 57712 and newer chips */
9329 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
9330 return -EAGAIN;
9331
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009332 /* TBD: Indicate that "process kill" is in progress to MCP */
9333
9334 /* Clear "unprepared" bit */
9335 REG_WR(bp, MISC_REG_UNPREPARED, 0);
9336 barrier();
9337
9338 /* Make sure all is written to the chip before the reset */
9339 mmiowb();
9340
9341 /* Wait for 1ms to empty GLUE and PCI-E core queues,
9342 * PSWHST, GRC and PSWRD Tetris buffer.
9343 */
Yuval Mintz0926d492013-01-23 03:21:45 +00009344 usleep_range(1000, 2000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009345
9346 /* Prepare to chip reset: */
9347 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009348 if (global)
9349 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009350
9351 /* PXP */
9352 bnx2x_pxp_prep(bp);
9353 barrier();
9354
9355 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009356 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009357 barrier();
9358
Dmitry Kravkov9dcd9ac2013-11-17 08:59:27 +02009359 /* clear errors in PGB */
9360 if (!CHIP_IS_E1x(bp))
9361 REG_WR(bp, PGLUE_B_REG_LATCHED_ERRORS_CLR, 0x7f);
9362
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009363 /* Recover after reset: */
9364 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009365 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009366 return -EAGAIN;
9367
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009368 /* TBD: Add resetting the NO_MCP mode DB here */
9369
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009370 /* Open the gates #2, #3 and #4 */
9371 bnx2x_set_234_gates(bp, false);
9372
9373 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9374 * reset state, re-enable attentions. */
9375
9376 return 0;
9377}
9378
Merav Sicron910cc722012-11-11 03:56:08 +00009379static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009380{
9381 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009382 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009383 u32 load_code;
9384
9385 /* if not going to reset MCP - load "fake" driver to reset HW while
9386 * driver is owner of the HW
9387 */
9388 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009389 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9390 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009391 if (!load_code) {
9392 BNX2X_ERR("MCP response failure, aborting\n");
9393 rc = -EAGAIN;
9394 goto exit_leader_reset;
9395 }
9396 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9397 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9398 BNX2X_ERR("MCP unexpected resp, aborting\n");
9399 rc = -EAGAIN;
9400 goto exit_leader_reset2;
9401 }
9402 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9403 if (!load_code) {
9404 BNX2X_ERR("MCP response failure, aborting\n");
9405 rc = -EAGAIN;
9406 goto exit_leader_reset2;
9407 }
9408 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009409
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009410 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009411 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009412 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9413 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009414 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009415 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009416 }
9417
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009418 /*
9419 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9420 * state.
9421 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009422 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009423 if (global)
9424 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009425
Ariel Elior95c6c6162012-01-26 06:01:52 +00009426exit_leader_reset2:
9427 /* unload "fake driver" if it was loaded */
9428 if (!global && !BP_NOMCP(bp)) {
9429 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9430 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9431 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009432exit_leader_reset:
9433 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009434 bnx2x_release_leader_lock(bp);
9435 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009436 return rc;
9437}
9438
Eric Dumazet1191cb82012-04-27 21:39:21 +00009439static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009440{
9441 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9442
9443 /* Disconnect this device */
9444 netif_device_detach(bp->dev);
9445
9446 /*
9447 * Block ifup for all function on this engine until "process kill"
9448 * or power cycle.
9449 */
9450 bnx2x_set_reset_in_progress(bp);
9451
9452 /* Shut down the power */
9453 bnx2x_set_power_state(bp, PCI_D3hot);
9454
9455 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9456
9457 smp_mb();
9458}
9459
9460/*
9461 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009462 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009463 * will never be called when netif_running(bp->dev) is false.
9464 */
9465static void bnx2x_parity_recover(struct bnx2x *bp)
9466{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009467 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009468 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009469 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009470
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009471 DP(NETIF_MSG_HW, "Handling parity\n");
9472 while (1) {
9473 switch (bp->recovery_state) {
9474 case BNX2X_RECOVERY_INIT:
9475 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009476 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9477 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009478
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009479 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009480 if (bnx2x_trylock_leader_lock(bp)) {
9481 bnx2x_set_reset_in_progress(bp);
9482 /*
9483 * Check if there is a global attention and if
9484 * there was a global attention, set the global
9485 * reset bit.
9486 */
9487
9488 if (global)
9489 bnx2x_set_reset_global(bp);
9490
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009491 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009492 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009493
9494 /* Stop the driver */
9495 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009496 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009497 return;
9498
9499 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009500
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009501 /* Ensure "is_leader", MCP command sequence and
9502 * "recovery_state" update values are seen on other
9503 * CPUs.
9504 */
9505 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009506 break;
9507
9508 case BNX2X_RECOVERY_WAIT:
9509 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9510 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009511 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009512 bool other_load_status =
9513 bnx2x_get_load_status(bp, other_engine);
9514 bool load_status =
9515 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009516 global = bnx2x_reset_is_global(bp);
9517
9518 /*
9519 * In case of a parity in a global block, let
9520 * the first leader that performs a
9521 * leader_reset() reset the global blocks in
9522 * order to clear global attentions. Otherwise
Yuval Mintz16a5fd92013-06-02 00:06:18 +00009523 * the gates will remain closed for that
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009524 * engine.
9525 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009526 if (load_status ||
9527 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009528 /* Wait until all other functions get
9529 * down.
9530 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009531 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009532 HZ/10);
9533 return;
9534 } else {
9535 /* If all other functions got down -
9536 * try to bring the chip back to
9537 * normal. In any case it's an exit
9538 * point for a leader.
9539 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009540 if (bnx2x_leader_reset(bp)) {
9541 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009542 return;
9543 }
9544
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009545 /* If we are here, means that the
9546 * leader has succeeded and doesn't
9547 * want to be a leader any more. Try
9548 * to continue as a none-leader.
9549 */
9550 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009551 }
9552 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009553 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009554 /* Try to get a LEADER_LOCK HW lock as
9555 * long as a former leader may have
9556 * been unloaded by the user or
9557 * released a leadership by another
9558 * reason.
9559 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009560 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009561 /* I'm a leader now! Restart a
9562 * switch case.
9563 */
9564 bp->is_leader = 1;
9565 break;
9566 }
9567
Ariel Elior7be08a72011-07-14 08:31:19 +00009568 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009569 HZ/10);
9570 return;
9571
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009572 } else {
9573 /*
9574 * If there was a global attention, wait
9575 * for it to be cleared.
9576 */
9577 if (bnx2x_reset_is_global(bp)) {
9578 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009579 &bp->sp_rtnl_task,
9580 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009581 return;
9582 }
9583
Ariel Elior7a752992012-01-26 06:01:53 +00009584 error_recovered =
9585 bp->eth_stats.recoverable_error;
9586 error_unrecovered =
9587 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009588 bp->recovery_state =
9589 BNX2X_RECOVERY_NIC_LOADING;
9590 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009591 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009592 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009593 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009594 /* Disconnect this device */
9595 netif_device_detach(bp->dev);
9596 /* Shut down the power */
9597 bnx2x_set_power_state(
9598 bp, PCI_D3hot);
9599 smp_mb();
9600 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009601 bp->recovery_state =
9602 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009603 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009604 smp_mb();
9605 }
Ariel Elior7a752992012-01-26 06:01:53 +00009606 bp->eth_stats.recoverable_error =
9607 error_recovered;
9608 bp->eth_stats.unrecoverable_error =
9609 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009610
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009611 return;
9612 }
9613 }
9614 default:
9615 return;
9616 }
9617 }
9618}
9619
Michal Schmidt56ad3152012-02-16 02:38:48 +00009620static int bnx2x_close(struct net_device *dev);
9621
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009622/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9623 * scheduled on a general queue in order to prevent a dead lock.
9624 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009625static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009626{
Ariel Elior7be08a72011-07-14 08:31:19 +00009627 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009628
9629 rtnl_lock();
9630
Ariel Elior8395be52013-01-01 05:22:44 +00009631 if (!netif_running(bp->dev)) {
9632 rtnl_unlock();
9633 return;
9634 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009635
Ariel Elior7be08a72011-07-14 08:31:19 +00009636 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +00009637#ifdef BNX2X_STOP_ON_ERROR
9638 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
9639 "you will need to reboot when done\n");
9640 goto sp_rtnl_not_reset;
9641#endif
Ariel Elior7be08a72011-07-14 08:31:19 +00009642 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009643 * Clear all pending SP commands as we are going to reset the
9644 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009645 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009646 bp->sp_rtnl_state = 0;
9647 smp_mb();
9648
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009649 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009650
Ariel Elior8395be52013-01-01 05:22:44 +00009651 rtnl_unlock();
9652 return;
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009653 }
9654
9655 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
Yuval Mintz6bf07b82013-06-02 00:06:20 +00009656#ifdef BNX2X_STOP_ON_ERROR
9657 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
9658 "you will need to reboot when done\n");
9659 goto sp_rtnl_not_reset;
9660#endif
9661
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009662 /*
9663 * Clear all pending SP commands as we are going to reset the
9664 * function anyway.
9665 */
9666 bp->sp_rtnl_state = 0;
9667 smp_mb();
9668
Yuval Mintz5d07d862012-09-13 02:56:21 +00009669 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009670 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009671
Ariel Elior8395be52013-01-01 05:22:44 +00009672 rtnl_unlock();
9673 return;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009674 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009675#ifdef BNX2X_STOP_ON_ERROR
9676sp_rtnl_not_reset:
9677#endif
9678 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9679 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009680 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9681 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009682 /*
9683 * in case of fan failure we need to reset id if the "stop on error"
9684 * debug flag is set, since we trying to prevent permanent overheating
9685 * damage
9686 */
9687 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009688 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009689 netif_device_detach(bp->dev);
9690 bnx2x_close(bp->dev);
Ariel Elior8395be52013-01-01 05:22:44 +00009691 rtnl_unlock();
9692 return;
Ariel Elior83048592011-11-13 04:34:29 +00009693 }
9694
Ariel Elior381ac162013-01-01 05:22:29 +00009695 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_MCAST, &bp->sp_rtnl_state)) {
9696 DP(BNX2X_MSG_SP,
9697 "sending set mcast vf pf channel message from rtnl sp-task\n");
9698 bnx2x_vfpf_set_mcast(bp->dev);
9699 }
Ariel Elior78c3bcc2013-06-20 17:39:08 +03009700 if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
9701 &bp->sp_rtnl_state)){
9702 if (!test_bit(__LINK_STATE_NOCARRIER, &bp->dev->state)) {
9703 bnx2x_tx_disable(bp);
9704 BNX2X_ERR("PF indicated channel is not servicable anymore. This means this VF device is no longer operational\n");
9705 }
9706 }
Ariel Elior381ac162013-01-01 05:22:29 +00009707
Yuval Mintz8b09be52013-08-01 17:30:59 +03009708 if (test_and_clear_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state)) {
9709 DP(BNX2X_MSG_SP, "Handling Rx Mode setting\n");
9710 bnx2x_set_rx_mode_inner(bp);
Ariel Elior381ac162013-01-01 05:22:29 +00009711 }
9712
Ariel Elior3ec9f9c2013-03-11 05:17:45 +00009713 if (test_and_clear_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
9714 &bp->sp_rtnl_state))
9715 bnx2x_pf_set_vfs_vlan(bp);
9716
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02009717 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) {
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +03009718 bnx2x_dcbx_stop_hw_tx(bp);
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +03009719 bnx2x_dcbx_resume_hw_tx(bp);
Dmitry Kravkov6ffa39f2013-11-17 08:59:29 +02009720 }
Dmitry Kravkov07b4eb32013-08-19 09:11:57 +03009721
Ariel Elior8395be52013-01-01 05:22:44 +00009722 /* work which needs rtnl lock not-taken (as it takes the lock itself and
9723 * can be called from other contexts as well)
9724 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009725 rtnl_unlock();
Ariel Elior8395be52013-01-01 05:22:44 +00009726
Ariel Elior64112802013-01-07 00:50:23 +00009727 /* enable SR-IOV if applicable */
Ariel Elior8395be52013-01-01 05:22:44 +00009728 if (IS_SRIOV(bp) && test_and_clear_bit(BNX2X_SP_RTNL_ENABLE_SRIOV,
Ariel Elior3c76fef2013-03-11 05:17:46 +00009729 &bp->sp_rtnl_state)) {
9730 bnx2x_disable_sriov(bp);
Ariel Elior64112802013-01-07 00:50:23 +00009731 bnx2x_enable_sriov(bp);
Ariel Elior3c76fef2013-03-11 05:17:46 +00009732 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009733}
9734
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009735static void bnx2x_period_task(struct work_struct *work)
9736{
9737 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9738
9739 if (!netif_running(bp->dev))
9740 goto period_task_exit;
9741
9742 if (CHIP_REV_IS_SLOW(bp)) {
9743 BNX2X_ERR("period task called on emulation, ignoring\n");
9744 goto period_task_exit;
9745 }
9746
9747 bnx2x_acquire_phy_lock(bp);
9748 /*
9749 * The barrier is needed to ensure the ordering between the writing to
9750 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9751 * the reading here.
9752 */
9753 smp_mb();
9754 if (bp->port.pmf) {
9755 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9756
9757 /* Re-queue task in 1 sec */
9758 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9759 }
9760
9761 bnx2x_release_phy_lock(bp);
9762period_task_exit:
9763 return;
9764}
9765
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009766/*
9767 * Init service functions
9768 */
9769
Ariel Eliorb56e9672013-01-01 05:22:32 +00009770u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009771{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009772 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9773 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9774 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009775}
9776
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009777static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
9778 struct bnx2x_mac_vals *vals)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009779{
Yuval Mintz452427b2012-03-26 20:47:07 +00009780 u32 val, base_addr, offset, mask, reset_reg;
9781 bool mac_stopped = false;
9782 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009783
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009784 /* reset addresses as they also mark which values were changed */
9785 vals->bmac_addr = 0;
9786 vals->umac_addr = 0;
9787 vals->xmac_addr = 0;
9788 vals->emac_addr = 0;
9789
Yuval Mintz452427b2012-03-26 20:47:07 +00009790 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009791
Yuval Mintz452427b2012-03-26 20:47:07 +00009792 if (!CHIP_IS_E3(bp)) {
9793 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9794 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9795 if ((mask & reset_reg) && val) {
9796 u32 wb_data[2];
9797 BNX2X_DEV_INFO("Disable bmac Rx\n");
9798 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9799 : NIG_REG_INGRESS_BMAC0_MEM;
9800 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9801 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009802
Yuval Mintz452427b2012-03-26 20:47:07 +00009803 /*
9804 * use rd/wr since we cannot use dmae. This is safe
9805 * since MCP won't access the bus due to the request
9806 * to unload, and no function on the path can be
9807 * loaded at this time.
9808 */
9809 wb_data[0] = REG_RD(bp, base_addr + offset);
9810 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009811 vals->bmac_addr = base_addr + offset;
9812 vals->bmac_val[0] = wb_data[0];
9813 vals->bmac_val[1] = wb_data[1];
Yuval Mintz452427b2012-03-26 20:47:07 +00009814 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009815 REG_WR(bp, vals->bmac_addr, wb_data[0]);
9816 REG_WR(bp, vals->bmac_addr + 0x4, wb_data[1]);
Yuval Mintz452427b2012-03-26 20:47:07 +00009817 }
9818 BNX2X_DEV_INFO("Disable emac Rx\n");
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009819 vals->emac_addr = NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4;
9820 vals->emac_val = REG_RD(bp, vals->emac_addr);
9821 REG_WR(bp, vals->emac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009822 mac_stopped = true;
9823 } else {
9824 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9825 BNX2X_DEV_INFO("Disable xmac Rx\n");
9826 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9827 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9828 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9829 val & ~(1 << 1));
9830 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9831 val | (1 << 1));
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009832 vals->xmac_addr = base_addr + XMAC_REG_CTRL;
9833 vals->xmac_val = REG_RD(bp, vals->xmac_addr);
9834 REG_WR(bp, vals->xmac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009835 mac_stopped = true;
9836 }
9837 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9838 if (mask & reset_reg) {
9839 BNX2X_DEV_INFO("Disable umac Rx\n");
9840 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
Barak Witkowski1ef1d452013-01-10 04:53:40 +00009841 vals->umac_addr = base_addr + UMAC_REG_COMMAND_CONFIG;
9842 vals->umac_val = REG_RD(bp, vals->umac_addr);
9843 REG_WR(bp, vals->umac_addr, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +00009844 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009845 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009846 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009847
Yuval Mintz452427b2012-03-26 20:47:07 +00009848 if (mac_stopped)
9849 msleep(20);
Yuval Mintz452427b2012-03-26 20:47:07 +00009850}
9851
9852#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9853#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9854#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9855#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9856
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +00009857static void bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port, u8 inc)
Yuval Mintz452427b2012-03-26 20:47:07 +00009858{
9859 u16 rcq, bd;
9860 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9861
9862 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9863 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9864
9865 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9866 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9867
9868 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9869 port, bd, rcq);
9870}
9871
Bill Pemberton0329aba2012-12-03 09:24:24 -05009872static int bnx2x_prev_mcp_done(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009873{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009874 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9875 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009876 if (!rc) {
9877 BNX2X_ERR("MCP response failure, aborting\n");
9878 return -EBUSY;
9879 }
9880
9881 return 0;
9882}
9883
Barak Witkowskic63da992012-12-05 23:04:03 +00009884static struct bnx2x_prev_path_list *
9885 bnx2x_prev_path_get_entry(struct bnx2x *bp)
9886{
9887 struct bnx2x_prev_path_list *tmp_list;
9888
9889 list_for_each_entry(tmp_list, &bnx2x_prev_list, list)
9890 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9891 bp->pdev->bus->number == tmp_list->bus &&
9892 BP_PATH(bp) == tmp_list->path)
9893 return tmp_list;
9894
9895 return NULL;
9896}
9897
Yuval Mintz7fa6f3402013-03-20 05:21:28 +00009898static int bnx2x_prev_path_mark_eeh(struct bnx2x *bp)
9899{
9900 struct bnx2x_prev_path_list *tmp_list;
9901 int rc;
9902
9903 rc = down_interruptible(&bnx2x_prev_sem);
9904 if (rc) {
9905 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9906 return rc;
9907 }
9908
9909 tmp_list = bnx2x_prev_path_get_entry(bp);
9910 if (tmp_list) {
9911 tmp_list->aer = 1;
9912 rc = 0;
9913 } else {
9914 BNX2X_ERR("path %d: Entry does not exist for eeh; Flow occurs before initial insmod is over ?\n",
9915 BP_PATH(bp));
9916 }
9917
9918 up(&bnx2x_prev_sem);
9919
9920 return rc;
9921}
9922
Bill Pemberton0329aba2012-12-03 09:24:24 -05009923static bool bnx2x_prev_is_path_marked(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009924{
9925 struct bnx2x_prev_path_list *tmp_list;
Peter Senna Tschudinb85d7172013-10-02 14:19:49 +02009926 bool rc = false;
Yuval Mintz452427b2012-03-26 20:47:07 +00009927
9928 if (down_trylock(&bnx2x_prev_sem))
9929 return false;
9930
Yuval Mintz7fa6f3402013-03-20 05:21:28 +00009931 tmp_list = bnx2x_prev_path_get_entry(bp);
9932 if (tmp_list) {
9933 if (tmp_list->aer) {
9934 DP(NETIF_MSG_HW, "Path %d was marked by AER\n",
9935 BP_PATH(bp));
9936 } else {
Yuval Mintz452427b2012-03-26 20:47:07 +00009937 rc = true;
9938 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9939 BP_PATH(bp));
Yuval Mintz452427b2012-03-26 20:47:07 +00009940 }
9941 }
9942
9943 up(&bnx2x_prev_sem);
9944
9945 return rc;
9946}
9947
Dmitry Kravkov178135c2013-05-22 21:21:50 +00009948bool bnx2x_port_after_undi(struct bnx2x *bp)
9949{
9950 struct bnx2x_prev_path_list *entry;
9951 bool val;
9952
9953 down(&bnx2x_prev_sem);
9954
9955 entry = bnx2x_prev_path_get_entry(bp);
9956 val = !!(entry && (entry->undi & (1 << BP_PORT(bp))));
9957
9958 up(&bnx2x_prev_sem);
9959
9960 return val;
9961}
9962
Barak Witkowskic63da992012-12-05 23:04:03 +00009963static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi)
Yuval Mintz452427b2012-03-26 20:47:07 +00009964{
9965 struct bnx2x_prev_path_list *tmp_list;
9966 int rc;
9967
Yuval Mintz7fa6f3402013-03-20 05:21:28 +00009968 rc = down_interruptible(&bnx2x_prev_sem);
9969 if (rc) {
9970 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9971 return rc;
9972 }
9973
9974 /* Check whether the entry for this path already exists */
9975 tmp_list = bnx2x_prev_path_get_entry(bp);
9976 if (tmp_list) {
9977 if (!tmp_list->aer) {
9978 BNX2X_ERR("Re-Marking the path.\n");
9979 } else {
9980 DP(NETIF_MSG_HW, "Removing AER indication from path %d\n",
9981 BP_PATH(bp));
9982 tmp_list->aer = 0;
9983 }
9984 up(&bnx2x_prev_sem);
9985 return 0;
9986 }
9987 up(&bnx2x_prev_sem);
9988
9989 /* Create an entry for this path and add it */
Devendra Nagaea4b3852012-07-29 03:19:23 +00009990 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009991 if (!tmp_list) {
9992 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9993 return -ENOMEM;
9994 }
9995
9996 tmp_list->bus = bp->pdev->bus->number;
9997 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9998 tmp_list->path = BP_PATH(bp);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +00009999 tmp_list->aer = 0;
Barak Witkowskic63da992012-12-05 23:04:03 +000010000 tmp_list->undi = after_undi ? (1 << BP_PORT(bp)) : 0;
Yuval Mintz452427b2012-03-26 20:47:07 +000010001
10002 rc = down_interruptible(&bnx2x_prev_sem);
10003 if (rc) {
10004 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10005 kfree(tmp_list);
10006 } else {
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010007 DP(NETIF_MSG_HW, "Marked path [%d] - finished previous unload\n",
10008 BP_PATH(bp));
Yuval Mintz452427b2012-03-26 20:47:07 +000010009 list_add(&tmp_list->list, &bnx2x_prev_list);
10010 up(&bnx2x_prev_sem);
10011 }
10012
10013 return rc;
10014}
10015
Bill Pemberton0329aba2012-12-03 09:24:24 -050010016static int bnx2x_do_flr(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010017{
Yuval Mintz452427b2012-03-26 20:47:07 +000010018 struct pci_dev *dev = bp->pdev;
10019
Yuval Mintz8eee6942012-08-09 04:37:25 +000010020 if (CHIP_IS_E1x(bp)) {
10021 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
10022 return -EINVAL;
10023 }
10024
10025 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
10026 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
10027 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
10028 bp->common.bc_ver);
10029 return -EINVAL;
10030 }
Yuval Mintz452427b2012-03-26 20:47:07 +000010031
Casey Leedom8903b9e2013-08-06 15:48:38 +053010032 if (!pci_wait_for_pending_transaction(dev))
10033 dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010034
Yuval Mintz8eee6942012-08-09 04:37:25 +000010035 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010036 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
10037
10038 return 0;
10039}
10040
Bill Pemberton0329aba2012-12-03 09:24:24 -050010041static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010042{
10043 int rc;
10044
10045 BNX2X_DEV_INFO("Uncommon unload Flow\n");
10046
10047 /* Test if previous unload process was already finished for this path */
10048 if (bnx2x_prev_is_path_marked(bp))
10049 return bnx2x_prev_mcp_done(bp);
10050
Yuval Mintz04c46732013-01-23 03:21:46 +000010051 BNX2X_DEV_INFO("Path is unmarked\n");
10052
Yuval Mintz452427b2012-03-26 20:47:07 +000010053 /* If function has FLR capabilities, and existing FW version matches
10054 * the one required, then FLR will be sufficient to clean any residue
10055 * left by previous driver
10056 */
Ariel Eliorad5afc82013-01-01 05:22:26 +000010057 rc = bnx2x_nic_load_analyze_req(bp, FW_MSG_CODE_DRV_LOAD_FUNCTION);
Yuval Mintz8eee6942012-08-09 04:37:25 +000010058
10059 if (!rc) {
10060 /* fw version is good */
10061 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
10062 rc = bnx2x_do_flr(bp);
10063 }
10064
10065 if (!rc) {
10066 /* FLR was performed */
10067 BNX2X_DEV_INFO("FLR successful\n");
10068 return 0;
10069 }
10070
10071 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010072
10073 /* Close the MCP request, return failure*/
10074 rc = bnx2x_prev_mcp_done(bp);
10075 if (!rc)
10076 rc = BNX2X_PREV_WAIT_NEEDED;
10077
10078 return rc;
10079}
10080
Bill Pemberton0329aba2012-12-03 09:24:24 -050010081static int bnx2x_prev_unload_common(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010082{
10083 u32 reset_reg, tmp_reg = 0, rc;
Barak Witkowskic63da992012-12-05 23:04:03 +000010084 bool prev_undi = false;
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010085 struct bnx2x_mac_vals mac_vals;
10086
Yuval Mintz452427b2012-03-26 20:47:07 +000010087 /* It is possible a previous function received 'common' answer,
10088 * but hasn't loaded yet, therefore creating a scenario of
10089 * multiple functions receiving 'common' on the same path.
10090 */
10091 BNX2X_DEV_INFO("Common unload Flow\n");
10092
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010093 memset(&mac_vals, 0, sizeof(mac_vals));
10094
Yuval Mintz452427b2012-03-26 20:47:07 +000010095 if (bnx2x_prev_is_path_marked(bp))
10096 return bnx2x_prev_mcp_done(bp);
10097
10098 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
10099
10100 /* Reset should be performed after BRB is emptied */
10101 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
10102 u32 timer_count = 1000;
Yuval Mintz452427b2012-03-26 20:47:07 +000010103
10104 /* Close the MAC Rx to prevent BRB from filling up */
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010105 bnx2x_prev_unload_close_mac(bp, &mac_vals);
10106
10107 /* close LLH filters towards the BRB */
10108 bnx2x_set_rx_filter(&bp->link_params, 0);
Yuval Mintz452427b2012-03-26 20:47:07 +000010109
10110 /* Check if the UNDI driver was previously loaded
10111 * UNDI driver initializes CID offset for normal bell to 0x7
10112 */
Yuval Mintz452427b2012-03-26 20:47:07 +000010113 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
10114 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
10115 if (tmp_reg == 0x7) {
10116 BNX2X_DEV_INFO("UNDI previously loaded\n");
10117 prev_undi = true;
10118 /* clear the UNDI indication */
10119 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
Yuval Mintza74801c2013-01-14 05:11:41 +000010120 /* clear possible idle check errors */
10121 REG_RD(bp, NIG_REG_NIG_INT_STS_CLR_0);
Yuval Mintz452427b2012-03-26 20:47:07 +000010122 }
10123 }
Dmitry Kravkovd46f7c42013-04-17 22:49:05 +000010124 if (!CHIP_IS_E1x(bp))
10125 /* block FW from writing to host */
10126 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
10127
Yuval Mintz452427b2012-03-26 20:47:07 +000010128 /* wait until BRB is empty */
10129 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10130 while (timer_count) {
10131 u32 prev_brb = tmp_reg;
10132
10133 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10134 if (!tmp_reg)
10135 break;
10136
10137 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
10138
10139 /* reset timer as long as BRB actually gets emptied */
10140 if (prev_brb > tmp_reg)
10141 timer_count = 1000;
10142 else
10143 timer_count--;
10144
10145 /* If UNDI resides in memory, manually increment it */
10146 if (prev_undi)
10147 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
10148
10149 udelay(10);
10150 }
10151
10152 if (!timer_count)
10153 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
Yuval Mintz452427b2012-03-26 20:47:07 +000010154 }
10155
10156 /* No packets are in the pipeline, path is ready for reset */
10157 bnx2x_reset_common(bp);
10158
Barak Witkowski1ef1d452013-01-10 04:53:40 +000010159 if (mac_vals.xmac_addr)
10160 REG_WR(bp, mac_vals.xmac_addr, mac_vals.xmac_val);
10161 if (mac_vals.umac_addr)
10162 REG_WR(bp, mac_vals.umac_addr, mac_vals.umac_val);
10163 if (mac_vals.emac_addr)
10164 REG_WR(bp, mac_vals.emac_addr, mac_vals.emac_val);
10165 if (mac_vals.bmac_addr) {
10166 REG_WR(bp, mac_vals.bmac_addr, mac_vals.bmac_val[0]);
10167 REG_WR(bp, mac_vals.bmac_addr + 4, mac_vals.bmac_val[1]);
10168 }
10169
Barak Witkowskic63da992012-12-05 23:04:03 +000010170 rc = bnx2x_prev_mark_path(bp, prev_undi);
Yuval Mintz452427b2012-03-26 20:47:07 +000010171 if (rc) {
10172 bnx2x_prev_mcp_done(bp);
10173 return rc;
10174 }
10175
10176 return bnx2x_prev_mcp_done(bp);
10177}
10178
Ariel Elior24f06712012-05-06 07:05:57 +000010179/* previous driver DMAE transaction may have occurred when pre-boot stage ended
10180 * and boot began, or when kdump kernel was loaded. Either case would invalidate
10181 * the addresses of the transaction, resulting in was-error bit set in the pci
10182 * causing all hw-to-host pcie transactions to timeout. If this happened we want
10183 * to clear the interrupt which detected this from the pglueb and the was done
10184 * bit
10185 */
Bill Pemberton0329aba2012-12-03 09:24:24 -050010186static void bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
Ariel Elior24f06712012-05-06 07:05:57 +000010187{
Ariel Elior4a254172012-11-22 07:16:17 +000010188 if (!CHIP_IS_E1x(bp)) {
10189 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
10190 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
Yuval Mintz04c46732013-01-23 03:21:46 +000010191 DP(BNX2X_MSG_SP,
10192 "'was error' bit was found to be set in pglueb upon startup. Clearing\n");
Ariel Elior4a254172012-11-22 07:16:17 +000010193 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
10194 1 << BP_FUNC(bp));
10195 }
Ariel Elior24f06712012-05-06 07:05:57 +000010196 }
10197}
10198
Bill Pemberton0329aba2012-12-03 09:24:24 -050010199static int bnx2x_prev_unload(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +000010200{
10201 int time_counter = 10;
10202 u32 rc, fw, hw_lock_reg, hw_lock_val;
10203 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
10204
Ariel Elior24f06712012-05-06 07:05:57 +000010205 /* clear hw from errors which may have resulted from an interrupted
10206 * dmae transaction.
10207 */
10208 bnx2x_prev_interrupted_dmae(bp);
10209
10210 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +000010211 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
10212 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
10213 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
10214
Yuval Mintz3cdeec22013-06-02 00:06:19 +000010215 hw_lock_val = REG_RD(bp, hw_lock_reg);
Yuval Mintz452427b2012-03-26 20:47:07 +000010216 if (hw_lock_val) {
10217 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
10218 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
10219 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
10220 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
10221 }
10222
10223 BNX2X_DEV_INFO("Release Previously held hw lock\n");
10224 REG_WR(bp, hw_lock_reg, 0xffffffff);
10225 } else
10226 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
10227
10228 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
10229 BNX2X_DEV_INFO("Release previously held alr\n");
Yuval Mintz3cdeec22013-06-02 00:06:19 +000010230 bnx2x_release_alr(bp);
Yuval Mintz452427b2012-03-26 20:47:07 +000010231 }
10232
Yuval Mintz452427b2012-03-26 20:47:07 +000010233 do {
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010234 int aer = 0;
Yuval Mintz452427b2012-03-26 20:47:07 +000010235 /* Lock MCP using an unload request */
10236 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
10237 if (!fw) {
10238 BNX2X_ERR("MCP response failure, aborting\n");
10239 rc = -EBUSY;
10240 break;
10241 }
10242
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010243 rc = down_interruptible(&bnx2x_prev_sem);
10244 if (rc) {
10245 BNX2X_ERR("Cannot check for AER; Received %d when tried to take lock\n",
10246 rc);
10247 } else {
10248 /* If Path is marked by EEH, ignore unload status */
10249 aer = !!(bnx2x_prev_path_get_entry(bp) &&
10250 bnx2x_prev_path_get_entry(bp)->aer);
Yuval Mintz60cde812013-03-26 23:28:03 +000010251 up(&bnx2x_prev_sem);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010252 }
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000010253
10254 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON || aer) {
Yuval Mintz452427b2012-03-26 20:47:07 +000010255 rc = bnx2x_prev_unload_common(bp);
10256 break;
10257 }
10258
Yuval Mintz16a5fd92013-06-02 00:06:18 +000010259 /* non-common reply from MCP might require looping */
Yuval Mintz452427b2012-03-26 20:47:07 +000010260 rc = bnx2x_prev_unload_uncommon(bp);
10261 if (rc != BNX2X_PREV_WAIT_NEEDED)
10262 break;
10263
10264 msleep(20);
10265 } while (--time_counter);
10266
10267 if (!time_counter || rc) {
10268 BNX2X_ERR("Failed unloading previous driver, aborting\n");
10269 rc = -EBUSY;
10270 }
10271
Barak Witkowskic63da992012-12-05 23:04:03 +000010272 /* Mark function if its port was used to boot from SAN */
Dmitry Kravkov178135c2013-05-22 21:21:50 +000010273 if (bnx2x_port_after_undi(bp))
Barak Witkowskic63da992012-12-05 23:04:03 +000010274 bp->link_params.feature_config_flags |=
10275 FEATURE_CONFIG_BOOT_FROM_SAN;
10276
Yuval Mintz452427b2012-03-26 20:47:07 +000010277 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
10278
10279 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010280}
10281
Bill Pemberton0329aba2012-12-03 09:24:24 -050010282static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010283{
Barak Witkowski1d187b32011-12-05 22:41:50 +000010284 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010285 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010286
10287 /* Get the chip revision id and number. */
10288 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
10289 val = REG_RD(bp, MISC_REG_CHIP_NUM);
10290 id = ((val & 0xffff) << 16);
10291 val = REG_RD(bp, MISC_REG_CHIP_REV);
10292 id |= ((val & 0xf) << 12);
Yuval Mintzf22fdf22013-03-11 05:17:43 +000010293
10294 /* Metal is read from PCI regs, but we can't access >=0x400 from
10295 * the configuration space (so we need to reg_rd)
10296 */
10297 val = REG_RD(bp, PCICFG_OFFSET + PCI_ID_VAL3);
10298 id |= (((val >> 24) & 0xf) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +000010299 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010300 id |= (val & 0xf);
10301 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010302
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000010303 /* force 57811 according to MISC register */
10304 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
10305 if (CHIP_IS_57810(bp))
10306 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
10307 (bp->common.chip_id & 0x0000FFFF);
10308 else if (CHIP_IS_57810_MF(bp))
10309 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
10310 (bp->common.chip_id & 0x0000FFFF);
10311 bp->common.chip_id |= 0x1;
10312 }
10313
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010314 /* Set doorbell size */
10315 bp->db_size = (1 << BNX2X_DB_SHIFT);
10316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010317 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010318 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
10319 if ((val & 1) == 0)
10320 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
10321 else
10322 val = (val >> 1) & 1;
10323 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
10324 "2_PORT_MODE");
10325 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
10326 CHIP_2_PORT_MODE;
10327
10328 if (CHIP_MODE_IS_4_PORT(bp))
10329 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
10330 else
10331 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
10332 } else {
10333 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
10334 bp->pfid = bp->pf_num; /* 0..7 */
10335 }
10336
Merav Sicron51c1a582012-03-18 10:33:38 +000010337 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
10338
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010339 bp->link_params.chip_id = bp->common.chip_id;
10340 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010341
Eilon Greenstein1c063282009-02-12 08:36:43 +000010342 val = (REG_RD(bp, 0x2874) & 0x55);
10343 if ((bp->common.chip_id & 0x1) ||
10344 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
10345 bp->flags |= ONE_PORT_FLAG;
10346 BNX2X_DEV_INFO("single port device\n");
10347 }
10348
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010349 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010350 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010351 (val & MCPR_NVM_CFG4_FLASH_SIZE));
10352 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
10353 bp->common.flash_size, bp->common.flash_size);
10354
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010355 bnx2x_init_shmem(bp);
10356
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010357 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
10358 MISC_REG_GENERIC_CR_1 :
10359 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +000010360
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010361 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010362 bp->link_params.shmem2_base = bp->common.shmem2_base;
Yaniv Rosnerb884d952012-11-27 03:46:28 +000010363 if (SHMEM2_RD(bp, size) >
10364 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
10365 bp->link_params.lfa_base =
10366 REG_RD(bp, bp->common.shmem2_base +
10367 (u32)offsetof(struct shmem2_region,
10368 lfa_host_addr[BP_PORT(bp)]));
10369 else
10370 bp->link_params.lfa_base = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010371 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
10372 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010374 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010375 BNX2X_DEV_INFO("MCP not active\n");
10376 bp->flags |= NO_MCP_FLAG;
10377 return;
10378 }
10379
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010380 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +000010381 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010382
10383 bp->link_params.hw_led_mode = ((bp->common.hw_config &
10384 SHARED_HW_CFG_LED_MODE_MASK) >>
10385 SHARED_HW_CFG_LED_MODE_SHIFT);
10386
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010387 bp->link_params.feature_config_flags = 0;
10388 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
10389 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
10390 bp->link_params.feature_config_flags |=
10391 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10392 else
10393 bp->link_params.feature_config_flags &=
10394 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10395
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010396 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
10397 bp->common.bc_ver = val;
10398 BNX2X_DEV_INFO("bc_ver %X\n", val);
10399 if (val < BNX2X_BC_VER) {
10400 /* for now only warn
10401 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +000010402 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
10403 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010404 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010405 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010406 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010407 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
10408
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010409 bp->link_params.feature_config_flags |=
10410 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
10411 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +000010412 bp->link_params.feature_config_flags |=
10413 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
10414 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010415 bp->link_params.feature_config_flags |=
10416 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
10417 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000010418
10419 bp->link_params.feature_config_flags |=
10420 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
10421 FEATURE_CONFIG_MT_SUPPORT : 0;
10422
Barak Witkowski0e898dd2011-12-05 21:52:22 +000010423 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
10424 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010425
Barak Witkowski2e499d32012-06-26 01:31:19 +000010426 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
10427 BC_SUPPORTS_FCOE_FEATURES : 0;
10428
Barak Witkowski98768792012-06-19 07:48:31 +000010429 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
10430 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowskya6d3a5b2013-08-13 02:25:02 +030010431
10432 bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ?
10433 BC_SUPPORTS_RMMOD_CMD : 0;
10434
Barak Witkowski1d187b32011-12-05 22:41:50 +000010435 boot_mode = SHMEM_RD(bp,
10436 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
10437 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
10438 switch (boot_mode) {
10439 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
10440 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
10441 break;
10442 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
10443 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
10444 break;
10445 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
10446 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
10447 break;
10448 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
10449 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
10450 break;
10451 }
10452
Jon Mason29ed74c2013-09-11 11:22:39 -070010453 pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_PMC, &pmc);
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +000010454 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
10455
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010456 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +000010457 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010458
10459 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
10460 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
10461 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
10462 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
10463
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010464 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
10465 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010466}
10467
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010468#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
10469#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
10470
Bill Pemberton0329aba2012-12-03 09:24:24 -050010471static int bnx2x_get_igu_cam_info(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010472{
10473 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010474 int igu_sb_id;
10475 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010476 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010477
10478 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010479 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -040010480 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010481 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010482 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
10483 FP_SB_MAX_E1x;
10484
10485 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
10486 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
10487
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010488 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010489 }
10490
10491 /* IGU in normal mode - read CAM */
10492 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
10493 igu_sb_id++) {
10494 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
10495 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
10496 continue;
10497 fid = IGU_FID(val);
10498 if ((fid & IGU_FID_ENCODE_IS_PF)) {
10499 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
10500 continue;
10501 if (IGU_VEC(val) == 0)
10502 /* default status block */
10503 bp->igu_dsb_id = igu_sb_id;
10504 else {
10505 if (bp->igu_base_sb == 0xff)
10506 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010507 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010508 }
10509 }
10510 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010511
Ariel Elior6383c0b2011-07-14 08:31:57 +000010512#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +000010513 /* Due to new PF resource allocation by MFW T7.4 and above, it's
10514 * optional that number of CAM entries will not be equal to the value
10515 * advertised in PCI.
10516 * Driver should use the minimal value of both as the actual status
10517 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010518 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010519 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010520#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010521
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010522 if (igu_sb_cnt == 0) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010523 BNX2X_ERR("CAM configuration error\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010524 return -EINVAL;
10525 }
10526
10527 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010528}
10529
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000010530static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010531{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010532 int cfg_size = 0, idx, port = BP_PORT(bp);
10533
10534 /* Aggregation of supported attributes of all external phys */
10535 bp->port.supported[0] = 0;
10536 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010537 switch (bp->link_params.num_phys) {
10538 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010539 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10540 cfg_size = 1;
10541 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010542 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010543 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10544 cfg_size = 1;
10545 break;
10546 case 3:
10547 if (bp->link_params.multi_phy_config &
10548 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10549 bp->port.supported[1] =
10550 bp->link_params.phy[EXT_PHY1].supported;
10551 bp->port.supported[0] =
10552 bp->link_params.phy[EXT_PHY2].supported;
10553 } else {
10554 bp->port.supported[0] =
10555 bp->link_params.phy[EXT_PHY1].supported;
10556 bp->port.supported[1] =
10557 bp->link_params.phy[EXT_PHY2].supported;
10558 }
10559 cfg_size = 2;
10560 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010561 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010562
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010563 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010564 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010565 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010566 dev_info.port_hw_config[port].external_phy_config),
10567 SHMEM_RD(bp,
10568 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010569 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010570 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010571
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010572 if (CHIP_IS_E3(bp))
10573 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10574 else {
10575 switch (switch_cfg) {
10576 case SWITCH_CFG_1G:
10577 bp->port.phy_addr = REG_RD(
10578 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10579 break;
10580 case SWITCH_CFG_10G:
10581 bp->port.phy_addr = REG_RD(
10582 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10583 break;
10584 default:
10585 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10586 bp->port.link_config[0]);
10587 return;
10588 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010589 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010590 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010591 /* mask what we support according to speed_cap_mask per configuration */
10592 for (idx = 0; idx < cfg_size; idx++) {
10593 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010594 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010595 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010596
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010597 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010598 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010599 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010600
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010601 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010602 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010603 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010604
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010605 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010606 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010607 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010608
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010609 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010610 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010611 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010612 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010613
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010614 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010615 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010616 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010617
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010618 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010619 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010620 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Yaniv Rosnerb8e0d882013-06-20 17:39:11 +030010621
10622 if (!(bp->link_params.speed_cap_mask[idx] &
10623 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
10624 bp->port.supported[idx] &= ~SUPPORTED_20000baseKR2_Full;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010625 }
10626
10627 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
10628 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010629}
10630
Bill Pemberton0329aba2012-12-03 09:24:24 -050010631static void bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010632{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010633 u32 link_config, idx, cfg_size = 0;
10634 bp->port.advertising[0] = 0;
10635 bp->port.advertising[1] = 0;
10636 switch (bp->link_params.num_phys) {
10637 case 1:
10638 case 2:
10639 cfg_size = 1;
10640 break;
10641 case 3:
10642 cfg_size = 2;
10643 break;
10644 }
10645 for (idx = 0; idx < cfg_size; idx++) {
10646 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
10647 link_config = bp->port.link_config[idx];
10648 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010649 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010650 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
10651 bp->link_params.req_line_speed[idx] =
10652 SPEED_AUTO_NEG;
10653 bp->port.advertising[idx] |=
10654 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000010655 if (bp->link_params.phy[EXT_PHY1].type ==
10656 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10657 bp->port.advertising[idx] |=
10658 (SUPPORTED_100baseT_Half |
10659 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010660 } else {
10661 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010662 bp->link_params.req_line_speed[idx] =
10663 SPEED_10000;
10664 bp->port.advertising[idx] |=
10665 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010666 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010667 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010668 }
10669 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010670
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010671 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010672 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
10673 bp->link_params.req_line_speed[idx] =
10674 SPEED_10;
10675 bp->port.advertising[idx] |=
10676 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010677 ADVERTISED_TP);
10678 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010679 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010680 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010681 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010682 return;
10683 }
10684 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010685
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010686 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010687 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10688 bp->link_params.req_line_speed[idx] =
10689 SPEED_10;
10690 bp->link_params.req_duplex[idx] =
10691 DUPLEX_HALF;
10692 bp->port.advertising[idx] |=
10693 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010694 ADVERTISED_TP);
10695 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010696 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010697 link_config,
10698 bp->link_params.speed_cap_mask[idx]);
10699 return;
10700 }
10701 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010702
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010703 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10704 if (bp->port.supported[idx] &
10705 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010706 bp->link_params.req_line_speed[idx] =
10707 SPEED_100;
10708 bp->port.advertising[idx] |=
10709 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010710 ADVERTISED_TP);
10711 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010712 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010713 link_config,
10714 bp->link_params.speed_cap_mask[idx]);
10715 return;
10716 }
10717 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010718
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010719 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10720 if (bp->port.supported[idx] &
10721 SUPPORTED_100baseT_Half) {
10722 bp->link_params.req_line_speed[idx] =
10723 SPEED_100;
10724 bp->link_params.req_duplex[idx] =
10725 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010726 bp->port.advertising[idx] |=
10727 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010728 ADVERTISED_TP);
10729 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010730 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010731 link_config,
10732 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010733 return;
10734 }
10735 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010736
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010737 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010738 if (bp->port.supported[idx] &
10739 SUPPORTED_1000baseT_Full) {
10740 bp->link_params.req_line_speed[idx] =
10741 SPEED_1000;
10742 bp->port.advertising[idx] |=
10743 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010744 ADVERTISED_TP);
10745 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010746 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010747 link_config,
10748 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010749 return;
10750 }
10751 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010752
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010753 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010754 if (bp->port.supported[idx] &
10755 SUPPORTED_2500baseX_Full) {
10756 bp->link_params.req_line_speed[idx] =
10757 SPEED_2500;
10758 bp->port.advertising[idx] |=
10759 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010760 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010761 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010762 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010763 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010764 bp->link_params.speed_cap_mask[idx]);
10765 return;
10766 }
10767 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010768
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010769 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010770 if (bp->port.supported[idx] &
10771 SUPPORTED_10000baseT_Full) {
10772 bp->link_params.req_line_speed[idx] =
10773 SPEED_10000;
10774 bp->port.advertising[idx] |=
10775 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010776 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010777 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010778 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010779 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010780 bp->link_params.speed_cap_mask[idx]);
10781 return;
10782 }
10783 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010784 case PORT_FEATURE_LINK_SPEED_20G:
10785 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010786
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010787 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010788 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010789 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010790 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010791 bp->link_params.req_line_speed[idx] =
10792 SPEED_AUTO_NEG;
10793 bp->port.advertising[idx] =
10794 bp->port.supported[idx];
10795 break;
10796 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010797
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010798 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010799 PORT_FEATURE_FLOW_CONTROL_MASK);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +000010800 if (bp->link_params.req_flow_ctrl[idx] ==
10801 BNX2X_FLOW_CTRL_AUTO) {
10802 if (!(bp->port.supported[idx] & SUPPORTED_Autoneg))
10803 bp->link_params.req_flow_ctrl[idx] =
10804 BNX2X_FLOW_CTRL_NONE;
10805 else
10806 bnx2x_set_requested_fc(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010807 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010808
Merav Sicron51c1a582012-03-18 10:33:38 +000010809 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 +000010810 bp->link_params.req_line_speed[idx],
10811 bp->link_params.req_duplex[idx],
10812 bp->link_params.req_flow_ctrl[idx],
10813 bp->port.advertising[idx]);
10814 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010815}
10816
Bill Pemberton0329aba2012-12-03 09:24:24 -050010817static void bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
Michael Chane665bfd2009-10-10 13:46:54 +000010818{
Yuval Mintz86564c32013-01-23 03:21:50 +000010819 __be16 mac_hi_be = cpu_to_be16(mac_hi);
10820 __be32 mac_lo_be = cpu_to_be32(mac_lo);
10821 memcpy(mac_buf, &mac_hi_be, sizeof(mac_hi_be));
10822 memcpy(mac_buf + sizeof(mac_hi_be), &mac_lo_be, sizeof(mac_lo_be));
Michael Chane665bfd2009-10-10 13:46:54 +000010823}
10824
Bill Pemberton0329aba2012-12-03 09:24:24 -050010825static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010826{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010827 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010828 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010829 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010830
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010831 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010832 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010833
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010834 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010835 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010836
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010837 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010838 SHMEM_RD(bp,
Yaniv Rosnerb0261922013-05-01 04:27:57 +000010839 dev_info.port_hw_config[port].speed_capability_mask) &
10840 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010841 bp->link_params.speed_cap_mask[1] =
10842 SHMEM_RD(bp,
Yaniv Rosnerb0261922013-05-01 04:27:57 +000010843 dev_info.port_hw_config[port].speed_capability_mask2) &
10844 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010845 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010846 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10847
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010848 bp->port.link_config[1] =
10849 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010850
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010851 bp->link_params.multi_phy_config =
10852 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010853 /* If the device is capable of WoL, set the default state according
10854 * to the HW
10855 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010856 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010857 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10858 (config & PORT_FEATURE_WOL_ENABLED));
10859
Yuval Mintz4ba76992013-01-14 05:11:45 +000010860 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
10861 PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE && !IS_MF(bp))
10862 bp->flags |= NO_ISCSI_FLAG;
10863 if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
10864 PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI && !(IS_MF(bp)))
10865 bp->flags |= NO_FCOE_FLAG;
10866
Merav Sicron51c1a582012-03-18 10:33:38 +000010867 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010868 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010869 bp->link_params.speed_cap_mask[0],
10870 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010871
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010872 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010873 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010874 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010875 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010876
10877 bnx2x_link_settings_requested(bp);
10878
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010879 /*
10880 * If connected directly, work with the internal PHY, otherwise, work
10881 * with the external PHY
10882 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010883 ext_phy_config =
10884 SHMEM_RD(bp,
10885 dev_info.port_hw_config[port].external_phy_config);
10886 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010887 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010888 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010889
10890 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10891 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10892 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010893 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010894
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010895 /* Configure link feature according to nvram value */
10896 eee_mode = (((SHMEM_RD(bp, dev_info.
10897 port_feature_config[port].eee_power_mode)) &
10898 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10899 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10900 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10901 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10902 EEE_MODE_ENABLE_LPI |
10903 EEE_MODE_OUTPUT_TIME;
10904 } else {
10905 bp->link_params.eee_mode = 0;
10906 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010907}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010908
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010909void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010910{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010911 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010912 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010913 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010914 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010915
Merav Sicron55c11942012-11-07 00:45:48 +000010916 if (!CNIC_SUPPORT(bp)) {
10917 bp->flags |= no_flags;
10918 return;
10919 }
10920
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010921 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010922 bp->cnic_eth_dev.max_iscsi_conn =
10923 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10924 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10925
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010926 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10927 bp->cnic_eth_dev.max_iscsi_conn);
10928
10929 /*
10930 * If maximum allowed number of connections is zero -
10931 * disable the feature.
10932 */
10933 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010934 bp->flags |= no_flags;
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010935}
10936
Bill Pemberton0329aba2012-12-03 09:24:24 -050010937static void bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010938{
10939 /* Port info */
10940 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10941 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10942 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10943 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10944
10945 /* Node info */
10946 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10947 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10948 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10949 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10950}
Dmitry Kravkov86800192013-05-27 04:08:29 +000010951
10952static int bnx2x_shared_fcoe_funcs(struct bnx2x *bp)
10953{
10954 u8 count = 0;
10955
10956 if (IS_MF(bp)) {
10957 u8 fid;
10958
10959 /* iterate over absolute function ids for this path: */
10960 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX * 2; fid += 2) {
10961 if (IS_MF_SD(bp)) {
10962 u32 cfg = MF_CFG_RD(bp,
10963 func_mf_config[fid].config);
10964
10965 if (!(cfg & FUNC_MF_CFG_FUNC_HIDE) &&
10966 ((cfg & FUNC_MF_CFG_PROTOCOL_MASK) ==
10967 FUNC_MF_CFG_PROTOCOL_FCOE))
10968 count++;
10969 } else {
10970 u32 cfg = MF_CFG_RD(bp,
10971 func_ext_config[fid].
10972 func_cfg);
10973
10974 if ((cfg & MACP_FUNC_CFG_FLAGS_ENABLED) &&
10975 (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD))
10976 count++;
10977 }
10978 }
10979 } else { /* SF */
10980 int port, port_cnt = CHIP_MODE_IS_4_PORT(bp) ? 2 : 1;
10981
10982 for (port = 0; port < port_cnt; port++) {
10983 u32 lic = SHMEM_RD(bp,
10984 drv_lic_key[port].max_fcoe_conn) ^
10985 FW_ENCODE_32BIT_PATTERN;
10986 if (lic)
10987 count++;
10988 }
10989 }
10990
10991 return count;
10992}
10993
Bill Pemberton0329aba2012-12-03 09:24:24 -050010994static void bnx2x_get_fcoe_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010995{
10996 int port = BP_PORT(bp);
10997 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010998 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10999 drv_lic_key[port].max_fcoe_conn);
Dmitry Kravkov86800192013-05-27 04:08:29 +000011000 u8 num_fcoe_func = bnx2x_shared_fcoe_funcs(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011001
Merav Sicron55c11942012-11-07 00:45:48 +000011002 if (!CNIC_SUPPORT(bp)) {
11003 bp->flags |= NO_FCOE_FLAG;
11004 return;
11005 }
11006
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011007 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011008 bp->cnic_eth_dev.max_fcoe_conn =
11009 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
11010 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
11011
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +000011012 /* Calculate the number of maximum allowed FCoE tasks */
11013 bp->cnic_eth_dev.max_fcoe_exchanges = MAX_NUM_FCOE_TASKS_PER_ENGINE;
Dmitry Kravkov86800192013-05-27 04:08:29 +000011014
11015 /* check if FCoE resources must be shared between different functions */
11016 if (num_fcoe_func)
11017 bp->cnic_eth_dev.max_fcoe_exchanges /= num_fcoe_func;
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +000011018
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011019 /* Read the WWN: */
11020 if (!IS_MF(bp)) {
11021 /* Port info */
11022 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
11023 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011024 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011025 fcoe_wwn_port_name_upper);
11026 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
11027 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011028 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011029 fcoe_wwn_port_name_lower);
11030
11031 /* Node info */
11032 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
11033 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011034 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011035 fcoe_wwn_node_name_upper);
11036 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
11037 SHMEM_RD(bp,
Yuval Mintz2de67432013-01-23 03:21:43 +000011038 dev_info.port_hw_config[port].
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011039 fcoe_wwn_node_name_lower);
11040 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011041 /*
11042 * Read the WWN info only if the FCoE feature is enabled for
11043 * this function.
11044 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011045 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011046 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011047
Yuval Mintz382e5132012-12-02 04:05:51 +000011048 } else if (IS_MF_FCOE_SD(bp) && !CHIP_IS_E1x(bp)) {
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000011049 bnx2x_get_ext_wwn_info(bp, func);
Yuval Mintz382e5132012-12-02 04:05:51 +000011050 }
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011051
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011052 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011053
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011054 /*
11055 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011056 * disable the feature.
11057 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011058 if (!bp->cnic_eth_dev.max_fcoe_conn)
11059 bp->flags |= NO_FCOE_FLAG;
11060}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011061
Bill Pemberton0329aba2012-12-03 09:24:24 -050011062static void bnx2x_get_cnic_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000011063{
11064 /*
11065 * iSCSI may be dynamically disabled but reading
11066 * info here we will decrease memory usage by driver
11067 * if the feature is disabled for good
11068 */
11069 bnx2x_get_iscsi_info(bp);
11070 bnx2x_get_fcoe_info(bp);
11071}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011072
Bill Pemberton0329aba2012-12-03 09:24:24 -050011073static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +000011074{
11075 u32 val, val2;
11076 int func = BP_ABS_FUNC(bp);
11077 int port = BP_PORT(bp);
11078 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
11079 u8 *fip_mac = bp->fip_mac;
11080
11081 if (IS_MF(bp)) {
11082 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
11083 * FCoE MAC then the appropriate feature should be disabled.
11084 * In non SD mode features configuration comes from struct
11085 * func_ext_config.
11086 */
11087 if (!IS_MF_SD(bp) && !CHIP_IS_E1x(bp)) {
11088 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
11089 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
11090 val2 = MF_CFG_RD(bp, func_ext_config[func].
11091 iscsi_mac_addr_upper);
11092 val = MF_CFG_RD(bp, func_ext_config[func].
11093 iscsi_mac_addr_lower);
11094 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11095 BNX2X_DEV_INFO
11096 ("Read iSCSI MAC: %pM\n", iscsi_mac);
11097 } else {
11098 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
11099 }
11100
11101 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
11102 val2 = MF_CFG_RD(bp, func_ext_config[func].
11103 fcoe_mac_addr_upper);
11104 val = MF_CFG_RD(bp, func_ext_config[func].
11105 fcoe_mac_addr_lower);
11106 bnx2x_set_mac_buf(fip_mac, val, val2);
11107 BNX2X_DEV_INFO
11108 ("Read FCoE L2 MAC: %pM\n", fip_mac);
11109 } else {
11110 bp->flags |= NO_FCOE_FLAG;
11111 }
11112
11113 bp->mf_ext_config = cfg;
11114
11115 } else { /* SD MODE */
11116 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
11117 /* use primary mac as iscsi mac */
11118 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
11119
11120 BNX2X_DEV_INFO("SD ISCSI MODE\n");
11121 BNX2X_DEV_INFO
11122 ("Read iSCSI MAC: %pM\n", iscsi_mac);
11123 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
11124 /* use primary mac as fip mac */
11125 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
11126 BNX2X_DEV_INFO("SD FCoE MODE\n");
11127 BNX2X_DEV_INFO
11128 ("Read FIP MAC: %pM\n", fip_mac);
11129 }
11130 }
11131
Yuval Mintz82594f82013-03-11 05:17:51 +000011132 /* If this is a storage-only interface, use SAN mac as
11133 * primary MAC. Notice that for SD this is already the case,
11134 * as the SAN mac was copied from the primary MAC.
11135 */
11136 if (IS_MF_FCOE_AFEX(bp))
Merav Sicron55c11942012-11-07 00:45:48 +000011137 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
Merav Sicron55c11942012-11-07 00:45:48 +000011138 } else {
11139 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11140 iscsi_mac_upper);
11141 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11142 iscsi_mac_lower);
11143 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11144
11145 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11146 fcoe_fip_mac_upper);
11147 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11148 fcoe_fip_mac_lower);
11149 bnx2x_set_mac_buf(fip_mac, val, val2);
11150 }
11151
11152 /* Disable iSCSI OOO if MAC configuration is invalid. */
11153 if (!is_valid_ether_addr(iscsi_mac)) {
11154 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
11155 memset(iscsi_mac, 0, ETH_ALEN);
11156 }
11157
11158 /* Disable FCoE if MAC configuration is invalid. */
11159 if (!is_valid_ether_addr(fip_mac)) {
11160 bp->flags |= NO_FCOE_FLAG;
11161 memset(bp->fip_mac, 0, ETH_ALEN);
11162 }
11163}
11164
Bill Pemberton0329aba2012-12-03 09:24:24 -050011165static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011166{
11167 u32 val, val2;
11168 int func = BP_ABS_FUNC(bp);
11169 int port = BP_PORT(bp);
11170
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011171 /* Zero primary MAC configuration */
11172 memset(bp->dev->dev_addr, 0, ETH_ALEN);
11173
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011174 if (BP_NOMCP(bp)) {
11175 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000011176 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011177 } else if (IS_MF(bp)) {
11178 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
11179 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
11180 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
11181 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
11182 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11183
Merav Sicron55c11942012-11-07 00:45:48 +000011184 if (CNIC_SUPPORT(bp))
11185 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011186 } else {
11187 /* in SF read MACs from port configuration */
11188 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11189 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11190 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11191
Merav Sicron55c11942012-11-07 00:45:48 +000011192 if (CNIC_SUPPORT(bp))
11193 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011194 }
11195
Yuval Mintz3d7d5622013-10-09 16:06:28 +020011196 if (!BP_NOMCP(bp)) {
11197 /* Read physical port identifier from shmem */
11198 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11199 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11200 bnx2x_set_mac_buf(bp->phys_port_id, val, val2);
11201 bp->flags |= HAS_PHYS_PORT_ID;
11202 }
11203
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011204 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000011205
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011206 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011207 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011208 "bad Ethernet MAC address configuration: %pM\n"
11209 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000011210 bp->dev->dev_addr);
Yuval Mintz79642112012-12-02 04:05:50 +000011211}
Merav Sicron51c1a582012-03-18 10:33:38 +000011212
Bill Pemberton0329aba2012-12-03 09:24:24 -050011213static bool bnx2x_get_dropless_info(struct bnx2x *bp)
Yuval Mintz79642112012-12-02 04:05:50 +000011214{
11215 int tmp;
11216 u32 cfg;
Merav Sicron51c1a582012-03-18 10:33:38 +000011217
Yuval Mintzaeeddb82013-08-19 09:11:59 +030011218 if (IS_VF(bp))
11219 return 0;
11220
Yuval Mintz79642112012-12-02 04:05:50 +000011221 if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
11222 /* Take function: tmp = func */
11223 tmp = BP_ABS_FUNC(bp);
11224 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
11225 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
11226 } else {
11227 /* Take port: tmp = port */
11228 tmp = BP_PORT(bp);
11229 cfg = SHMEM_RD(bp,
11230 dev_info.port_hw_config[tmp].generic_features);
11231 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
11232 }
11233 return cfg;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011234}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011235
Bill Pemberton0329aba2012-12-03 09:24:24 -050011236static int bnx2x_get_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011237{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011238 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070011239 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011240 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011241 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011242
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011243 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011244
Ariel Elior6383c0b2011-07-14 08:31:57 +000011245 /*
11246 * initialize IGU parameters
11247 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011248 if (CHIP_IS_E1x(bp)) {
11249 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011250
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011251 bp->igu_dsb_id = DEF_SB_IGU_ID;
11252 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011253 } else {
11254 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040011255
Yuval Mintz16a5fd92013-06-02 00:06:18 +000011256 /* do not allow device reset during IGU info processing */
David S. Miller8decf862011-09-22 03:23:13 -040011257 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
11258
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011259 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011260
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011261 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011262 int tout = 5000;
11263
11264 BNX2X_DEV_INFO("FORCING Normal Mode\n");
11265
11266 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
11267 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
11268 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
11269
11270 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11271 tout--;
Yuval Mintz0926d492013-01-23 03:21:45 +000011272 usleep_range(1000, 2000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011273 }
11274
11275 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11276 dev_err(&bp->pdev->dev,
11277 "FORCING Normal Mode failed!!!\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011278 bnx2x_release_hw_lock(bp,
11279 HW_LOCK_RESOURCE_RESET);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011280 return -EPERM;
11281 }
11282 }
11283
11284 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
11285 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011286 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
11287 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011288 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011289
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011290 rc = bnx2x_get_igu_cam_info(bp);
David S. Miller8decf862011-09-22 03:23:13 -040011291 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Barak Witkowski9b341bb2012-12-02 04:05:52 +000011292 if (rc)
11293 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011294 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011295
11296 /*
11297 * set base FW non-default (fast path) status block id, this value is
11298 * used to initialize the fw_sb_id saved on the fp/queue structure to
11299 * determine the id used by the FW.
11300 */
11301 if (CHIP_IS_E1x(bp))
11302 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
11303 else /*
11304 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
11305 * the same queue are indicated on the same IGU SB). So we prefer
11306 * FW and IGU SBs to be the same value.
11307 */
11308 bp->base_fw_ndsb = bp->igu_base_sb;
11309
11310 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
11311 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
11312 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011313
11314 /*
11315 * Initialize MF configuration
11316 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011317
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011318 bp->mf_ov = 0;
11319 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040011320 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011321
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011322 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011323 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
11324 bp->common.shmem2_base, SHMEM2_RD(bp, size),
11325 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
11326
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011327 if (SHMEM2_HAS(bp, mf_cfg_addr))
11328 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
11329 else
11330 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011331 offsetof(struct shmem_region, func_mb) +
11332 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011333 /*
11334 * get mf configuration:
Yuval Mintz16a5fd92013-06-02 00:06:18 +000011335 * 1. Existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011336 * 2. MAC address must be legal (check only upper bytes)
11337 * for Switch-Independent mode;
11338 * OVLAN must be legal for Switch-Dependent mode
11339 * 3. SF_MODE configures specific MF mode
11340 */
11341 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11342 /* get mf configuration */
11343 val = SHMEM_RD(bp,
11344 dev_info.shared_feature_config.config);
11345 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011346
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011347 switch (val) {
11348 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
11349 val = MF_CFG_RD(bp, func_mf_config[func].
11350 mac_upper);
11351 /* check for legal mac (upper bytes)*/
11352 if (val != 0xffff) {
11353 bp->mf_mode = MULTI_FUNCTION_SI;
11354 bp->mf_config[vn] = MF_CFG_RD(bp,
11355 func_mf_config[func].config);
11356 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000011357 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011358 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011359 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
11360 if ((!CHIP_IS_E1x(bp)) &&
11361 (MF_CFG_RD(bp, func_mf_config[func].
11362 mac_upper) != 0xffff) &&
11363 (SHMEM2_HAS(bp,
11364 afex_driver_support))) {
11365 bp->mf_mode = MULTI_FUNCTION_AFEX;
11366 bp->mf_config[vn] = MF_CFG_RD(bp,
11367 func_mf_config[func].config);
11368 } else {
11369 BNX2X_DEV_INFO("can not configure afex mode\n");
11370 }
11371 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011372 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
11373 /* get OV configuration */
11374 val = MF_CFG_RD(bp,
11375 func_mf_config[FUNC_0].e1hov_tag);
11376 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
11377
11378 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
11379 bp->mf_mode = MULTI_FUNCTION_SD;
11380 bp->mf_config[vn] = MF_CFG_RD(bp,
11381 func_mf_config[func].config);
11382 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011383 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011384 break;
Ariel Elior3786b942013-03-11 05:17:44 +000011385 case SHARED_FEAT_CFG_FORCE_SF_MODE_FORCED_SF:
11386 bp->mf_config[vn] = 0;
11387 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011388 default:
11389 /* Unknown configuration: reset mf_config */
11390 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000011391 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011392 }
11393 }
11394
Eilon Greenstein2691d512009-08-12 08:22:08 +000011395 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011396 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000011397
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011398 switch (bp->mf_mode) {
11399 case MULTI_FUNCTION_SD:
11400 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
11401 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011402 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000011403 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011404 bp->path_has_ovlan = true;
11405
Merav Sicron51c1a582012-03-18 10:33:38 +000011406 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
11407 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000011408 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011409 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011410 "No valid MF OV for func %d, aborting\n",
11411 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011412 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011413 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011414 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011415 case MULTI_FUNCTION_AFEX:
11416 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
11417 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011418 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000011419 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
11420 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011421 break;
11422 default:
11423 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011424 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000011425 "VN %d is in a single function mode, aborting\n",
11426 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011427 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000011428 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011429 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011430 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011431
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011432 /* check if other port on the path needs ovlan:
11433 * Since MF configuration is shared between ports
11434 * Possible mixed modes are only
11435 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
11436 */
11437 if (CHIP_MODE_IS_4_PORT(bp) &&
11438 !bp->path_has_ovlan &&
11439 !IS_MF(bp) &&
11440 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
11441 u8 other_port = !BP_PORT(bp);
11442 u8 other_func = BP_PATH(bp) + 2*other_port;
11443 val = MF_CFG_RD(bp,
11444 func_mf_config[other_func].e1hov_tag);
11445 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
11446 bp->path_has_ovlan = true;
11447 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011448 }
11449
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011450 /* adjust igu_sb_cnt to MF for E1x */
11451 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011452 bp->igu_sb_cnt /= E1HVN_MAX;
11453
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011454 /* port info */
11455 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011456
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080011457 /* Get MAC addresses */
11458 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011459
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011460 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011461
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011462 return rc;
11463}
11464
Bill Pemberton0329aba2012-12-03 09:24:24 -050011465static void bnx2x_read_fwinfo(struct bnx2x *bp)
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011466{
11467 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011468 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011469 char str_id_reg[VENDOR_ID_LEN+1];
11470 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011471 char *vpd_data;
11472 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011473 u8 len;
11474
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011475 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011476 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
11477
11478 if (cnt < BNX2X_VPD_LEN)
11479 goto out_not_found;
11480
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011481 /* VPD RO tag should be first tag after identifier string, hence
11482 * we should be able to find it in first BNX2X_VPD_LEN chars
11483 */
11484 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011485 PCI_VPD_LRDT_RO_DATA);
11486 if (i < 0)
11487 goto out_not_found;
11488
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011489 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011490 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011491
11492 i += PCI_VPD_LRDT_TAG_SIZE;
11493
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011494 if (block_end > BNX2X_VPD_LEN) {
11495 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
11496 if (vpd_extended_data == NULL)
11497 goto out_not_found;
11498
11499 /* read rest of vpd image into vpd_extended_data */
11500 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
11501 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
11502 block_end - BNX2X_VPD_LEN,
11503 vpd_extended_data + BNX2X_VPD_LEN);
11504 if (cnt < (block_end - BNX2X_VPD_LEN))
11505 goto out_not_found;
11506 vpd_data = vpd_extended_data;
11507 } else
11508 vpd_data = vpd_start;
11509
11510 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011511
11512 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11513 PCI_VPD_RO_KEYWORD_MFR_ID);
11514 if (rodi < 0)
11515 goto out_not_found;
11516
11517 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11518
11519 if (len != VENDOR_ID_LEN)
11520 goto out_not_found;
11521
11522 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11523
11524 /* vendor specific info */
11525 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
11526 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
11527 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
11528 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
11529
11530 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11531 PCI_VPD_RO_KEYWORD_VENDOR0);
11532 if (rodi >= 0) {
11533 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11534
11535 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11536
11537 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
11538 memcpy(bp->fw_ver, &vpd_data[rodi], len);
11539 bp->fw_ver[len] = ' ';
11540 }
11541 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011542 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011543 return;
11544 }
11545out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011546 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011547 return;
11548}
11549
Bill Pemberton0329aba2012-12-03 09:24:24 -050011550static void bnx2x_set_modes_bitmap(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011551{
11552 u32 flags = 0;
11553
11554 if (CHIP_REV_IS_FPGA(bp))
11555 SET_FLAGS(flags, MODE_FPGA);
11556 else if (CHIP_REV_IS_EMUL(bp))
11557 SET_FLAGS(flags, MODE_EMUL);
11558 else
11559 SET_FLAGS(flags, MODE_ASIC);
11560
11561 if (CHIP_MODE_IS_4_PORT(bp))
11562 SET_FLAGS(flags, MODE_PORT4);
11563 else
11564 SET_FLAGS(flags, MODE_PORT2);
11565
11566 if (CHIP_IS_E2(bp))
11567 SET_FLAGS(flags, MODE_E2);
11568 else if (CHIP_IS_E3(bp)) {
11569 SET_FLAGS(flags, MODE_E3);
11570 if (CHIP_REV(bp) == CHIP_REV_Ax)
11571 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011572 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
11573 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011574 }
11575
11576 if (IS_MF(bp)) {
11577 SET_FLAGS(flags, MODE_MF);
11578 switch (bp->mf_mode) {
11579 case MULTI_FUNCTION_SD:
11580 SET_FLAGS(flags, MODE_MF_SD);
11581 break;
11582 case MULTI_FUNCTION_SI:
11583 SET_FLAGS(flags, MODE_MF_SI);
11584 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011585 case MULTI_FUNCTION_AFEX:
11586 SET_FLAGS(flags, MODE_MF_AFEX);
11587 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011588 }
11589 } else
11590 SET_FLAGS(flags, MODE_SF);
11591
11592#if defined(__LITTLE_ENDIAN)
11593 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
11594#else /*(__BIG_ENDIAN)*/
11595 SET_FLAGS(flags, MODE_BIG_ENDIAN);
11596#endif
11597 INIT_MODE_FLAGS(bp) = flags;
11598}
11599
Bill Pemberton0329aba2012-12-03 09:24:24 -050011600static int bnx2x_init_bp(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011601{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011602 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011603 int rc;
11604
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011605 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070011606 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070011607 spin_lock_init(&bp->stats_lock);
Dmitry Kravkov507393e2013-08-13 02:24:59 +030011608 sema_init(&bp->stats_sema, 1);
Merav Sicron55c11942012-11-07 00:45:48 +000011609
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011610 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000011611 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011612 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Ariel Elior1ab44342013-01-01 05:22:23 +000011613 if (IS_PF(bp)) {
11614 rc = bnx2x_get_hwinfo(bp);
11615 if (rc)
11616 return rc;
11617 } else {
Ariel Eliore09b74d2013-05-27 04:08:26 +000011618 eth_zero_addr(bp->dev->dev_addr);
Ariel Elior1ab44342013-01-01 05:22:23 +000011619 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011621 bnx2x_set_modes_bitmap(bp);
11622
11623 rc = bnx2x_alloc_mem_bp(bp);
11624 if (rc)
11625 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011626
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011627 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011628
11629 func = BP_FUNC(bp);
11630
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011631 /* need to reset chip if undi was active */
Ariel Elior1ab44342013-01-01 05:22:23 +000011632 if (IS_PF(bp) && !BP_NOMCP(bp)) {
Yuval Mintz452427b2012-03-26 20:47:07 +000011633 /* init fw_seq */
11634 bp->fw_seq =
11635 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
11636 DRV_MSG_SEQ_NUMBER_MASK;
11637 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
11638
11639 bnx2x_prev_unload(bp);
11640 }
11641
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011642 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011643 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011644
11645 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000011646 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011647
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011648 bp->disable_tpa = disable_tpa;
Barak Witkowskia3348722012-04-23 03:04:46 +000011649 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011650
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011651 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011652 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011653 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011654 bp->dev->features &= ~NETIF_F_LRO;
11655 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011656 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011657 bp->dev->features |= NETIF_F_LRO;
11658 }
11659
Eilon Greensteina18f5122009-08-12 08:23:26 +000011660 if (CHIP_IS_E1(bp))
11661 bp->dropless_fc = 0;
11662 else
Yuval Mintz79642112012-12-02 04:05:50 +000011663 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
Eilon Greensteina18f5122009-08-12 08:23:26 +000011664
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000011665 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011666
Barak Witkowskia3348722012-04-23 03:04:46 +000011667 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Ariel Elior1ab44342013-01-01 05:22:23 +000011668 if (IS_VF(bp))
11669 bp->rx_ring_size = MAX_RX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011670
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000011671 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011672 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
11673 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011674
Michal Schmidtfc543632012-02-14 09:05:46 +000011675 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011676
11677 init_timer(&bp->timer);
11678 bp->timer.expires = jiffies + bp->current_interval;
11679 bp->timer.data = (unsigned long) bp;
11680 bp->timer.function = bnx2x_timer;
11681
Barak Witkowski0370cf92012-12-02 04:05:55 +000011682 if (SHMEM2_HAS(bp, dcbx_lldp_params_offset) &&
11683 SHMEM2_HAS(bp, dcbx_lldp_dcbx_stat_offset) &&
11684 SHMEM2_RD(bp, dcbx_lldp_params_offset) &&
11685 SHMEM2_RD(bp, dcbx_lldp_dcbx_stat_offset)) {
11686 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
11687 bnx2x_dcbx_init_params(bp);
11688 } else {
11689 bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);
11690 }
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000011691
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011692 if (CHIP_IS_E1x(bp))
11693 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
11694 else
11695 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011696
Ariel Elior6383c0b2011-07-14 08:31:57 +000011697 /* multiple tx priority */
Ariel Elior1ab44342013-01-01 05:22:23 +000011698 if (IS_VF(bp))
11699 bp->max_cos = 1;
11700 else if (CHIP_IS_E1x(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011701 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
Ariel Elior1ab44342013-01-01 05:22:23 +000011702 else if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011703 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011704 else if (CHIP_IS_E3B0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011705 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011706 else
11707 BNX2X_ERR("unknown chip %x revision %x\n",
11708 CHIP_NUM(bp), CHIP_REV(bp));
11709 BNX2X_DEV_INFO("set bp->max_cos to %d\n", bp->max_cos);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011710
Merav Sicron55c11942012-11-07 00:45:48 +000011711 /* We need at least one default status block for slow-path events,
11712 * second status block for the L2 queue, and a third status block for
Yuval Mintz16a5fd92013-06-02 00:06:18 +000011713 * CNIC if supported.
Merav Sicron55c11942012-11-07 00:45:48 +000011714 */
Ariel Elior60cad4e2013-09-04 14:09:22 +030011715 if (IS_VF(bp))
11716 bp->min_msix_vec_cnt = 1;
11717 else if (CNIC_SUPPORT(bp))
Merav Sicron55c11942012-11-07 00:45:48 +000011718 bp->min_msix_vec_cnt = 3;
Ariel Elior60cad4e2013-09-04 14:09:22 +030011719 else /* PF w/o cnic */
Merav Sicron55c11942012-11-07 00:45:48 +000011720 bp->min_msix_vec_cnt = 2;
11721 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
11722
Michal Schmidt5bb680d2013-07-01 17:23:06 +020011723 bp->dump_preset_idx = 1;
11724
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011725 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011726}
11727
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011728/****************************************************************************
11729* General service functions
11730****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011731
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011732/*
11733 * net_device service functions
11734 */
11735
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011736/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011737static int bnx2x_open(struct net_device *dev)
11738{
11739 struct bnx2x *bp = netdev_priv(dev);
Ariel Elior8395be52013-01-01 05:22:44 +000011740 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011741
Mintz Yuval1355b702012-02-15 02:10:22 +000011742 bp->stats_init = true;
11743
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000011744 netif_carrier_off(dev);
11745
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011746 bnx2x_set_power_state(bp, PCI_D0);
11747
Ariel Eliorad5afc82013-01-01 05:22:26 +000011748 /* If parity had happen during the unload, then attentions
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011749 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
11750 * want the first function loaded on the current engine to
11751 * complete the recovery.
Ariel Eliorad5afc82013-01-01 05:22:26 +000011752 * Parity recovery is only relevant for PF driver.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011753 */
Ariel Eliorad5afc82013-01-01 05:22:26 +000011754 if (IS_PF(bp)) {
Yuval Mintz1a6974b2013-10-20 16:51:27 +020011755 int other_engine = BP_PATH(bp) ? 0 : 1;
11756 bool other_load_status, load_status;
11757 bool global = false;
11758
Ariel Eliorad5afc82013-01-01 05:22:26 +000011759 other_load_status = bnx2x_get_load_status(bp, other_engine);
11760 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
11761 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
11762 bnx2x_chk_parity_attn(bp, &global, true)) {
11763 do {
11764 /* If there are attentions and they are in a
11765 * global blocks, set the GLOBAL_RESET bit
11766 * regardless whether it will be this function
11767 * that will complete the recovery or not.
11768 */
11769 if (global)
11770 bnx2x_set_reset_global(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011771
Ariel Eliorad5afc82013-01-01 05:22:26 +000011772 /* Only the first function on the current
11773 * engine should try to recover in open. In case
11774 * of attentions in global blocks only the first
11775 * in the chip should try to recover.
11776 */
11777 if ((!load_status &&
11778 (!global || !other_load_status)) &&
11779 bnx2x_trylock_leader_lock(bp) &&
11780 !bnx2x_leader_reset(bp)) {
11781 netdev_info(bp->dev,
11782 "Recovered in open\n");
11783 break;
11784 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011785
Ariel Eliorad5afc82013-01-01 05:22:26 +000011786 /* recovery has failed... */
11787 bnx2x_set_power_state(bp, PCI_D3hot);
11788 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011789
Ariel Eliorad5afc82013-01-01 05:22:26 +000011790 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11791 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011792
Ariel Eliorad5afc82013-01-01 05:22:26 +000011793 return -EAGAIN;
11794 } while (0);
11795 }
11796 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011797
11798 bp->recovery_state = BNX2X_RECOVERY_DONE;
Ariel Elior8395be52013-01-01 05:22:44 +000011799 rc = bnx2x_nic_load(bp, LOAD_OPEN);
11800 if (rc)
11801 return rc;
Ariel Elior9a8130b2013-09-28 08:46:09 +030011802 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011803}
11804
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011805/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011806static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011807{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011808 struct bnx2x *bp = netdev_priv(dev);
11809
11810 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011811 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011812
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011813 return 0;
11814}
11815
Eric Dumazet1191cb82012-04-27 21:39:21 +000011816static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11817 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011818{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011819 int mc_count = netdev_mc_count(bp->dev);
11820 struct bnx2x_mcast_list_elem *mc_mac =
11821 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011822 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011823
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011824 if (!mc_mac)
11825 return -ENOMEM;
11826
11827 INIT_LIST_HEAD(&p->mcast_list);
11828
11829 netdev_for_each_mc_addr(ha, bp->dev) {
11830 mc_mac->mac = bnx2x_mc_addr(ha);
11831 list_add_tail(&mc_mac->link, &p->mcast_list);
11832 mc_mac++;
11833 }
11834
11835 p->mcast_list_len = mc_count;
11836
11837 return 0;
11838}
11839
Eric Dumazet1191cb82012-04-27 21:39:21 +000011840static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011841 struct bnx2x_mcast_ramrod_params *p)
11842{
11843 struct bnx2x_mcast_list_elem *mc_mac =
11844 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11845 link);
11846
11847 WARN_ON(!mc_mac);
11848 kfree(mc_mac);
11849}
11850
11851/**
11852 * bnx2x_set_uc_list - configure a new unicast MACs list.
11853 *
11854 * @bp: driver handle
11855 *
11856 * We will use zero (0) as a MAC type for these MACs.
11857 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011858static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011859{
11860 int rc;
11861 struct net_device *dev = bp->dev;
11862 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011863 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011864 unsigned long ramrod_flags = 0;
11865
11866 /* First schedule a cleanup up of old configuration */
11867 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11868 if (rc < 0) {
11869 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11870 return rc;
11871 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011872
11873 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011874 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11875 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011876 if (rc == -EEXIST) {
11877 DP(BNX2X_MSG_SP,
11878 "Failed to schedule ADD operations: %d\n", rc);
11879 /* do not treat adding same MAC as error */
11880 rc = 0;
11881
11882 } else if (rc < 0) {
11883
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011884 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11885 rc);
11886 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011887 }
11888 }
11889
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011890 /* Execute the pending commands */
11891 __set_bit(RAMROD_CONT, &ramrod_flags);
11892 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11893 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011894}
11895
Eric Dumazet1191cb82012-04-27 21:39:21 +000011896static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011897{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011898 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011899 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011900 int rc = 0;
11901
11902 rparam.mcast_obj = &bp->mcast_obj;
11903
11904 /* first, clear all configured multicast MACs */
11905 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11906 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011907 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011908 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011909 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011910
11911 /* then, configure a new MACs list */
11912 if (netdev_mc_count(dev)) {
11913 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11914 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011915 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11916 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011917 return rc;
11918 }
11919
11920 /* Now add the new MACs */
11921 rc = bnx2x_config_mcast(bp, &rparam,
11922 BNX2X_MCAST_CMD_ADD);
11923 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011924 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11925 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011926
11927 bnx2x_free_mcast_macs_list(&rparam);
11928 }
11929
11930 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011931}
11932
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011933/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011934void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011935{
11936 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011937
11938 if (bp->state != BNX2X_STATE_OPEN) {
11939 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11940 return;
Yuval Mintz8b09be52013-08-01 17:30:59 +030011941 } else {
11942 /* Schedule an SP task to handle rest of change */
11943 DP(NETIF_MSG_IFUP, "Scheduling an Rx mode change\n");
11944 smp_mb__before_clear_bit();
11945 set_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state);
11946 smp_mb__after_clear_bit();
11947 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011948 }
Yuval Mintz8b09be52013-08-01 17:30:59 +030011949}
11950
11951void bnx2x_set_rx_mode_inner(struct bnx2x *bp)
11952{
11953 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011954
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011955 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011956
Yuval Mintz8b09be52013-08-01 17:30:59 +030011957 netif_addr_lock_bh(bp->dev);
11958
11959 if (bp->dev->flags & IFF_PROMISC) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011960 rx_mode = BNX2X_RX_MODE_PROMISC;
Yuval Mintz8b09be52013-08-01 17:30:59 +030011961 } else if ((bp->dev->flags & IFF_ALLMULTI) ||
11962 ((netdev_mc_count(bp->dev) > BNX2X_MAX_MULTICAST) &&
11963 CHIP_IS_E1(bp))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011964 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Yuval Mintz8b09be52013-08-01 17:30:59 +030011965 } else {
Ariel Elior381ac162013-01-01 05:22:29 +000011966 if (IS_PF(bp)) {
11967 /* some multicasts */
11968 if (bnx2x_set_mc_list(bp) < 0)
11969 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011970
Yuval Mintz8b09be52013-08-01 17:30:59 +030011971 /* release bh lock, as bnx2x_set_uc_list might sleep */
11972 netif_addr_unlock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000011973 if (bnx2x_set_uc_list(bp) < 0)
11974 rx_mode = BNX2X_RX_MODE_PROMISC;
Yuval Mintz8b09be52013-08-01 17:30:59 +030011975 netif_addr_lock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000011976 } else {
11977 /* configuring mcast to a vf involves sleeping (when we
Yuval Mintz8b09be52013-08-01 17:30:59 +030011978 * wait for the pf's response).
Ariel Elior381ac162013-01-01 05:22:29 +000011979 */
11980 smp_mb__before_clear_bit();
11981 set_bit(BNX2X_SP_RTNL_VFPF_MCAST,
11982 &bp->sp_rtnl_state);
11983 smp_mb__after_clear_bit();
11984 schedule_delayed_work(&bp->sp_rtnl_task, 0);
11985 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011986 }
11987
11988 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011989 /* handle ISCSI SD mode */
11990 if (IS_MF_ISCSI_SD(bp))
11991 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011992
11993 /* Schedule the rx_mode command */
11994 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11995 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
Yuval Mintz8b09be52013-08-01 17:30:59 +030011996 netif_addr_unlock_bh(bp->dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011997 return;
11998 }
11999
Ariel Elior381ac162013-01-01 05:22:29 +000012000 if (IS_PF(bp)) {
12001 bnx2x_set_storm_rx_mode(bp);
Yuval Mintz8b09be52013-08-01 17:30:59 +030012002 netif_addr_unlock_bh(bp->dev);
Ariel Elior381ac162013-01-01 05:22:29 +000012003 } else {
Yuval Mintz8b09be52013-08-01 17:30:59 +030012004 /* VF will need to request the PF to make this change, and so
12005 * the VF needs to release the bottom-half lock prior to the
12006 * request (as it will likely require sleep on the VF side)
Ariel Elior381ac162013-01-01 05:22:29 +000012007 */
Yuval Mintz8b09be52013-08-01 17:30:59 +030012008 netif_addr_unlock_bh(bp->dev);
12009 bnx2x_vfpf_storm_rx_mode(bp);
Ariel Elior381ac162013-01-01 05:22:29 +000012010 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012011}
12012
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070012013/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012014static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
12015 int devad, u16 addr)
12016{
12017 struct bnx2x *bp = netdev_priv(netdev);
12018 u16 value;
12019 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012020
12021 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
12022 prtad, devad, addr);
12023
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012024 /* The HW expects different devad if CL22 is used */
12025 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12026
12027 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012028 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012029 bnx2x_release_phy_lock(bp);
12030 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
12031
12032 if (!rc)
12033 rc = value;
12034 return rc;
12035}
12036
12037/* called with rtnl_lock */
12038static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
12039 u16 addr, u16 value)
12040{
12041 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012042 int rc;
12043
Merav Sicron51c1a582012-03-18 10:33:38 +000012044 DP(NETIF_MSG_LINK,
12045 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
12046 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012047
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012048 /* The HW expects different devad if CL22 is used */
12049 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12050
12051 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000012052 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012053 bnx2x_release_phy_lock(bp);
12054 return rc;
12055}
12056
12057/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012058static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
12059{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012060 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012061 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012062
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012063 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
12064 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012065
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012066 if (!netif_running(dev))
12067 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070012068
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012069 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012070}
12071
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000012072#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012073static void poll_bnx2x(struct net_device *dev)
12074{
12075 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000012076 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012077
Merav Sicron14a15d62012-08-27 03:26:20 +000012078 for_each_eth_queue(bp, i) {
12079 struct bnx2x_fastpath *fp = &bp->fp[i];
12080 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
12081 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012082}
12083#endif
12084
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012085static int bnx2x_validate_addr(struct net_device *dev)
12086{
12087 struct bnx2x *bp = netdev_priv(dev);
12088
Ariel Eliore09b74d2013-05-27 04:08:26 +000012089 /* query the bulletin board for mac address configured by the PF */
12090 if (IS_VF(bp))
12091 bnx2x_sample_bulletin(bp);
12092
Merav Sicron51c1a582012-03-18 10:33:38 +000012093 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
12094 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012095 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012096 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012097 return 0;
12098}
12099
Yuval Mintz3d7d5622013-10-09 16:06:28 +020012100static int bnx2x_get_phys_port_id(struct net_device *netdev,
12101 struct netdev_phys_port_id *ppid)
12102{
12103 struct bnx2x *bp = netdev_priv(netdev);
12104
12105 if (!(bp->flags & HAS_PHYS_PORT_ID))
12106 return -EOPNOTSUPP;
12107
12108 ppid->id_len = sizeof(bp->phys_port_id);
12109 memcpy(ppid->id, bp->phys_port_id, ppid->id_len);
12110
12111 return 0;
12112}
12113
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012114static const struct net_device_ops bnx2x_netdev_ops = {
12115 .ndo_open = bnx2x_open,
12116 .ndo_stop = bnx2x_close,
12117 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000012118 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012119 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012120 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000012121 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012122 .ndo_do_ioctl = bnx2x_ioctl,
12123 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000012124 .ndo_fix_features = bnx2x_fix_features,
12125 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012126 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000012127#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012128 .ndo_poll_controller = poll_bnx2x,
12129#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000012130 .ndo_setup_tc = bnx2x_setup_tc,
Ariel Elior64112802013-01-07 00:50:23 +000012131#ifdef CONFIG_BNX2X_SRIOV
Ariel Eliorabc5a022013-01-01 05:22:43 +000012132 .ndo_set_vf_mac = bnx2x_set_vf_mac,
Yuval Mintz3cdeec22013-06-02 00:06:19 +000012133 .ndo_set_vf_vlan = bnx2x_set_vf_vlan,
Ariel Elior3ec9f9c2013-03-11 05:17:45 +000012134 .ndo_get_vf_config = bnx2x_get_vf_config,
Ariel Elior64112802013-01-07 00:50:23 +000012135#endif
Merav Sicron55c11942012-11-07 00:45:48 +000012136#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000012137 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
12138#endif
Dmitry Kravkov8f20aa52013-06-19 01:36:04 +030012139
Cong Wange0d10952013-08-01 11:10:25 +080012140#ifdef CONFIG_NET_RX_BUSY_POLL
Eliezer Tamir8b80cda2013-07-10 17:13:26 +030012141 .ndo_busy_poll = bnx2x_low_latency_recv,
Dmitry Kravkov8f20aa52013-06-19 01:36:04 +030012142#endif
Yuval Mintz3d7d5622013-10-09 16:06:28 +020012143 .ndo_get_phys_port_id = bnx2x_get_phys_port_id,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012144};
12145
Eric Dumazet1191cb82012-04-27 21:39:21 +000012146static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012147{
12148 struct device *dev = &bp->pdev->dev;
12149
Linus Torvalds8ceafbf2013-11-14 07:55:21 +090012150 if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)) != 0 &&
12151 dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)) != 0) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012152 dev_err(dev, "System does not support DMA, aborting\n");
12153 return -EIO;
12154 }
12155
12156 return 0;
12157}
12158
Ariel Elior1ab44342013-01-01 05:22:23 +000012159static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
12160 struct net_device *dev, unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012161{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012162 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000012163 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000012164 bool chip_is_e1x = (board_type == BCM57710 ||
12165 board_type == BCM57711 ||
12166 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012167
12168 SET_NETDEV_DEV(dev, &pdev->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012169
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012170 bp->dev = dev;
12171 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012172
12173 rc = pci_enable_device(pdev);
12174 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012175 dev_err(&bp->pdev->dev,
12176 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012177 goto err_out;
12178 }
12179
12180 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012181 dev_err(&bp->pdev->dev,
12182 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012183 rc = -ENODEV;
12184 goto err_out_disable;
12185 }
12186
Ariel Elior1ab44342013-01-01 05:22:23 +000012187 if (IS_PF(bp) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
12188 dev_err(&bp->pdev->dev, "Cannot find second PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012189 rc = -ENODEV;
12190 goto err_out_disable;
12191 }
12192
Yaniv Rosner092a5fc92012-12-02 23:56:49 +000012193 pci_read_config_dword(pdev, PCICFG_REVISION_ID_OFFSET, &pci_cfg_dword);
12194 if ((pci_cfg_dword & PCICFG_REVESION_ID_MASK) ==
12195 PCICFG_REVESION_ID_ERROR_VAL) {
12196 pr_err("PCI device error, probably due to fan failure, aborting\n");
12197 rc = -ENODEV;
12198 goto err_out_disable;
12199 }
12200
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012201 if (atomic_read(&pdev->enable_cnt) == 1) {
12202 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
12203 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012204 dev_err(&bp->pdev->dev,
12205 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012206 goto err_out_disable;
12207 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012208
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012209 pci_set_master(pdev);
12210 pci_save_state(pdev);
12211 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012212
Ariel Elior1ab44342013-01-01 05:22:23 +000012213 if (IS_PF(bp)) {
Jon Mason29ed74c2013-09-11 11:22:39 -070012214 if (!pdev->pm_cap) {
Ariel Elior1ab44342013-01-01 05:22:23 +000012215 dev_err(&bp->pdev->dev,
12216 "Cannot find power management capability, aborting\n");
12217 rc = -EIO;
12218 goto err_out_release;
12219 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012220 }
12221
Jon Mason77c98e62011-06-27 07:45:12 +000012222 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012223 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012224 rc = -EIO;
12225 goto err_out_release;
12226 }
12227
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012228 rc = bnx2x_set_coherency_mask(bp);
12229 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012230 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012231
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012232 dev->mem_start = pci_resource_start(pdev, 0);
12233 dev->base_addr = dev->mem_start;
12234 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012235
12236 dev->irq = pdev->irq;
12237
Arjan van de Ven275f1652008-10-20 21:42:39 -070012238 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012239 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012240 dev_err(&bp->pdev->dev,
12241 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012242 rc = -ENOMEM;
12243 goto err_out_release;
12244 }
12245
Ariel Eliorc22610d02012-01-26 06:01:47 +000012246 /* In E1/E1H use pci device function given by kernel.
12247 * In E2/E3 read physical function from ME register since these chips
12248 * support Physical Device Assignment where kernel BDF maybe arbitrary
12249 * (depending on hypervisor).
12250 */
Yuval Mintz2de67432013-01-23 03:21:43 +000012251 if (chip_is_e1x) {
Ariel Eliorc22610d02012-01-26 06:01:47 +000012252 bp->pf_num = PCI_FUNC(pdev->devfn);
Yuval Mintz2de67432013-01-23 03:21:43 +000012253 } else {
12254 /* chip is E2/3*/
Ariel Eliorc22610d02012-01-26 06:01:47 +000012255 pci_read_config_dword(bp->pdev,
12256 PCICFG_ME_REGISTER, &pci_cfg_dword);
12257 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
Yuval Mintz2de67432013-01-23 03:21:43 +000012258 ME_REG_ABS_PF_NUM_SHIFT);
Ariel Eliorc22610d02012-01-26 06:01:47 +000012259 }
Merav Sicron51c1a582012-03-18 10:33:38 +000012260 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000012261
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012262 /* clean indirect addresses */
12263 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
12264 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040012265 /*
12266 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070012267 * is not used by the driver.
12268 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012269 if (IS_PF(bp)) {
12270 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
12271 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
12272 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
12273 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040012274
Ariel Elior1ab44342013-01-01 05:22:23 +000012275 if (chip_is_e1x) {
12276 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
12277 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
12278 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
12279 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
12280 }
12281
12282 /* Enable internal target-read (in case we are probed after PF
12283 * FLR). Must be done prior to any BAR read access. Only for
12284 * 57712 and up
12285 */
12286 if (!chip_is_e1x)
12287 REG_WR(bp,
12288 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
David S. Miller8decf862011-09-22 03:23:13 -040012289 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012290
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012291 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012292
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080012293 dev->netdev_ops = &bnx2x_netdev_ops;
Ariel Elior005a07ba2013-03-11 05:17:42 +000012294 bnx2x_set_ethtool_ops(bp, dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000012295
Jiri Pirko01789342011-08-16 06:29:00 +000012296 dev->priv_flags |= IFF_UNICAST_FLT;
12297
Michał Mirosław66371c42011-04-12 09:38:23 +000012298 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000012299 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
12300 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
Patrick McHardyf6469682013-04-19 02:04:27 +000012301 NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX;
Dmitry Kravkova848ade2013-03-18 06:51:03 +000012302 if (!CHIP_IS_E1x(bp)) {
Eric Dumazet117401e2013-10-19 11:42:58 -070012303 dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL |
Eric Dumazet2e3bd6a2013-10-20 20:47:31 -070012304 NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT;
Dmitry Kravkova848ade2013-03-18 06:51:03 +000012305 dev->hw_enc_features =
12306 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
12307 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
Eric Dumazet117401e2013-10-19 11:42:58 -070012308 NETIF_F_GSO_IPIP |
Eric Dumazet2e3bd6a2013-10-20 20:47:31 -070012309 NETIF_F_GSO_SIT |
Dmitry Kravkov65bc0cf2013-04-28 08:16:02 +000012310 NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;
Dmitry Kravkova848ade2013-03-18 06:51:03 +000012311 }
Michał Mirosław66371c42011-04-12 09:38:23 +000012312
12313 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
12314 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
12315
Patrick McHardyf6469682013-04-19 02:04:27 +000012316 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX;
Merav Sicronedd31472013-10-20 16:51:34 +020012317 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012318
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000012319 /* Add Loopback capability to the device */
12320 dev->hw_features |= NETIF_F_LOOPBACK;
12321
Shmulik Ravid98507672011-02-28 12:19:55 -080012322#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000012323 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
12324#endif
12325
Eilon Greenstein01cd4522009-08-12 08:23:08 +000012326 /* get_port_hwinfo() will set prtad and mmds properly */
12327 bp->mdio.prtad = MDIO_PRTAD_NONE;
12328 bp->mdio.mmds = 0;
12329 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
12330 bp->mdio.dev = dev;
12331 bp->mdio.mdio_read = bnx2x_mdio_read;
12332 bp->mdio.mdio_write = bnx2x_mdio_write;
12333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012334 return 0;
12335
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012336err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012337 if (atomic_read(&pdev->enable_cnt) == 1)
12338 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012339
12340err_out_disable:
12341 pci_disable_device(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012342
12343err_out:
12344 return rc;
12345}
12346
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000012347static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012348{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012349 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012350 struct bnx2x_fw_file_hdr *fw_hdr;
12351 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012352 u32 offset, len, num_ops;
Yuval Mintz86564c32013-01-23 03:21:50 +000012353 __be16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012354 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012355 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012356
Merav Sicron51c1a582012-03-18 10:33:38 +000012357 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
12358 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012359 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012360 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012361
12362 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
12363 sections = (struct bnx2x_fw_file_section *)fw_hdr;
12364
12365 /* Make sure none of the offsets and sizes make us read beyond
12366 * the end of the firmware data */
12367 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
12368 offset = be32_to_cpu(sections[i].offset);
12369 len = be32_to_cpu(sections[i].len);
12370 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012371 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012372 return -EINVAL;
12373 }
12374 }
12375
12376 /* Likewise for the init_ops offsets */
12377 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
Yuval Mintz86564c32013-01-23 03:21:50 +000012378 ops_offsets = (__force __be16 *)(firmware->data + offset);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012379 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
12380
12381 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
12382 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012383 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012384 return -EINVAL;
12385 }
12386 }
12387
12388 /* Check FW version */
12389 offset = be32_to_cpu(fw_hdr->fw_version.offset);
12390 fw_ver = firmware->data + offset;
12391 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
12392 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
12393 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
12394 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012395 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
12396 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
12397 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012398 BCM_5710_FW_MINOR_VERSION,
12399 BCM_5710_FW_REVISION_VERSION,
12400 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012401 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012402 }
12403
12404 return 0;
12405}
12406
Eric Dumazet1191cb82012-04-27 21:39:21 +000012407static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012408{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012409 const __be32 *source = (const __be32 *)_source;
12410 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012411 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012412
12413 for (i = 0; i < n/4; i++)
12414 target[i] = be32_to_cpu(source[i]);
12415}
12416
12417/*
12418 Ops array is stored in the following format:
12419 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
12420 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012421static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012422{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012423 const __be32 *source = (const __be32 *)_source;
12424 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012425 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012426
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012427 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012428 tmp = be32_to_cpu(source[j]);
12429 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012430 target[i].offset = tmp & 0xffffff;
12431 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012432 }
12433}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012434
Ben Hutchings1aa8b472012-07-10 10:56:59 +000012435/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012436 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
12437 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012438static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012439{
12440 const __be32 *source = (const __be32 *)_source;
12441 struct iro *target = (struct iro *)_target;
12442 u32 i, j, tmp;
12443
12444 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
12445 target[i].base = be32_to_cpu(source[j]);
12446 j++;
12447 tmp = be32_to_cpu(source[j]);
12448 target[i].m1 = (tmp >> 16) & 0xffff;
12449 target[i].m2 = tmp & 0xffff;
12450 j++;
12451 tmp = be32_to_cpu(source[j]);
12452 target[i].m3 = (tmp >> 16) & 0xffff;
12453 target[i].size = tmp & 0xffff;
12454 j++;
12455 }
12456}
12457
Eric Dumazet1191cb82012-04-27 21:39:21 +000012458static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012459{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012460 const __be16 *source = (const __be16 *)_source;
12461 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012462 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012463
12464 for (i = 0; i < n/2; i++)
12465 target[i] = be16_to_cpu(source[i]);
12466}
12467
Joe Perches7995c642010-02-17 15:01:52 +000012468#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
12469do { \
12470 u32 len = be32_to_cpu(fw_hdr->arr.len); \
12471 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000012472 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000012473 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000012474 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
12475 (u8 *)bp->arr, len); \
12476} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012477
Yuval Mintz3b603062012-03-18 10:33:39 +000012478static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012479{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012480 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012481 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000012482 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012483
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012484 if (bp->firmware)
12485 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012486
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012487 if (CHIP_IS_E1(bp))
12488 fw_file_name = FW_FILE_NAME_E1;
12489 else if (CHIP_IS_E1H(bp))
12490 fw_file_name = FW_FILE_NAME_E1H;
12491 else if (!CHIP_IS_E1x(bp))
12492 fw_file_name = FW_FILE_NAME_E2;
12493 else {
12494 BNX2X_ERR("Unsupported chip revision\n");
12495 return -EINVAL;
12496 }
12497 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012498
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012499 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
12500 if (rc) {
12501 BNX2X_ERR("Can't load firmware file %s\n",
12502 fw_file_name);
12503 goto request_firmware_exit;
12504 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012505
Michal Schmidtc0ea4522012-03-15 14:08:29 +000012506 rc = bnx2x_check_firmware(bp);
12507 if (rc) {
12508 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
12509 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012510 }
12511
12512 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
12513
12514 /* Initialize the pointers to the init arrays */
12515 /* Blob */
12516 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
12517
12518 /* Opcodes */
12519 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
12520
12521 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012522 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
12523 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012524
12525 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000012526 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12527 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
12528 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
12529 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
12530 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12531 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
12532 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
12533 be32_to_cpu(fw_hdr->usem_pram_data.offset);
12534 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12535 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
12536 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
12537 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
12538 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12539 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
12540 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
12541 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012542 /* IRO */
12543 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012544
12545 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012546
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012547iro_alloc_err:
12548 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012549init_offsets_alloc_err:
12550 kfree(bp->init_ops);
12551init_ops_alloc_err:
12552 kfree(bp->init_data);
12553request_firmware_exit:
12554 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000012555 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012556
12557 return rc;
12558}
12559
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012560static void bnx2x_release_firmware(struct bnx2x *bp)
12561{
12562 kfree(bp->init_ops_offsets);
12563 kfree(bp->init_ops);
12564 kfree(bp->init_data);
12565 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012566 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012567}
12568
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012569static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
12570 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
12571 .init_hw_cmn = bnx2x_init_hw_common,
12572 .init_hw_port = bnx2x_init_hw_port,
12573 .init_hw_func = bnx2x_init_hw_func,
12574
12575 .reset_hw_cmn = bnx2x_reset_common,
12576 .reset_hw_port = bnx2x_reset_port,
12577 .reset_hw_func = bnx2x_reset_func,
12578
12579 .gunzip_init = bnx2x_gunzip_init,
12580 .gunzip_end = bnx2x_gunzip_end,
12581
12582 .init_fw = bnx2x_init_firmware,
12583 .release_fw = bnx2x_release_firmware,
12584};
12585
12586void bnx2x__init_func_obj(struct bnx2x *bp)
12587{
12588 /* Prepare DMAE related driver resources */
12589 bnx2x_setup_dmae(bp);
12590
12591 bnx2x_init_func_obj(bp, &bp->func_obj,
12592 bnx2x_sp(bp, func_rdata),
12593 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000012594 bnx2x_sp(bp, func_afex_rdata),
12595 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012596 &bnx2x_func_sp_drv);
12597}
12598
12599/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012600static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012601{
Merav Sicron37ae41a2012-06-19 07:48:27 +000012602 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012603
Ariel Elior290ca2b2013-01-01 05:22:31 +000012604 if (IS_SRIOV(bp))
12605 cid_count += BNX2X_VF_CIDS;
12606
Merav Sicron55c11942012-11-07 00:45:48 +000012607 if (CNIC_SUPPORT(bp))
12608 cid_count += CNIC_CID_MAX;
Ariel Elior290ca2b2013-01-01 05:22:31 +000012609
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012610 return roundup(cid_count, QM_CID_ROUND);
12611}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012612
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012613/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000012614 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012615 *
12616 * @dev: pci device
12617 *
12618 */
Ariel Elior60cad4e2013-09-04 14:09:22 +030012619static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012620{
Yijing Wangae2104b2013-08-08 21:02:36 +080012621 int index;
Ariel Elior1ab44342013-01-01 05:22:23 +000012622 u16 control = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012623
Ariel Elior6383c0b2011-07-14 08:31:57 +000012624 /*
12625 * If MSI-X is not supported - return number of SBs needed to support
12626 * one fast path queue: one FP queue + SB for CNIC
12627 */
Yijing Wangae2104b2013-08-08 21:02:36 +080012628 if (!pdev->msix_cap) {
Ariel Elior1ab44342013-01-01 05:22:23 +000012629 dev_info(&pdev->dev, "no msix capability found\n");
Merav Sicron55c11942012-11-07 00:45:48 +000012630 return 1 + cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012631 }
12632 dev_info(&pdev->dev, "msix capability found\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +000012633
12634 /*
12635 * The value in the PCI configuration space is the index of the last
12636 * entry, namely one less than the actual size of the table, which is
12637 * exactly what we want to return from this function: number of all SBs
12638 * without the default SB.
Ariel Elior1ab44342013-01-01 05:22:23 +000012639 * For VFs there is no default SB, then we return (index+1).
Ariel Elior6383c0b2011-07-14 08:31:57 +000012640 */
Yijing Wangae2104b2013-08-08 21:02:36 +080012641 pci_read_config_word(pdev, pdev->msix_cap + PCI_MSI_FLAGS, &control);
Ariel Elior1ab44342013-01-01 05:22:23 +000012642
12643 index = control & PCI_MSIX_FLAGS_QSIZE;
12644
Ariel Elior60cad4e2013-09-04 14:09:22 +030012645 return index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012646}
12647
Ariel Elior1ab44342013-01-01 05:22:23 +000012648static int set_max_cos_est(int chip_id)
12649{
12650 switch (chip_id) {
12651 case BCM57710:
12652 case BCM57711:
12653 case BCM57711E:
12654 return BNX2X_MULTI_TX_COS_E1X;
12655 case BCM57712:
12656 case BCM57712_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000012657 return BNX2X_MULTI_TX_COS_E2_E3A0;
12658 case BCM57800:
12659 case BCM57800_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000012660 case BCM57810:
12661 case BCM57810_MF:
12662 case BCM57840_4_10:
12663 case BCM57840_2_20:
12664 case BCM57840_O:
12665 case BCM57840_MFO:
Ariel Elior1ab44342013-01-01 05:22:23 +000012666 case BCM57840_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000012667 case BCM57811:
12668 case BCM57811_MF:
Ariel Elior1ab44342013-01-01 05:22:23 +000012669 return BNX2X_MULTI_TX_COS_E3B0;
Yuval Mintzb1239722013-10-20 16:51:26 +020012670 case BCM57712_VF:
12671 case BCM57800_VF:
12672 case BCM57810_VF:
12673 case BCM57840_VF:
12674 case BCM57811_VF:
Ariel Elior1ab44342013-01-01 05:22:23 +000012675 return 1;
12676 default:
12677 pr_err("Unknown board_type (%d), aborting\n", chip_id);
12678 return -ENODEV;
12679 }
12680}
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012681
Ariel Elior1ab44342013-01-01 05:22:23 +000012682static int set_is_vf(int chip_id)
12683{
12684 switch (chip_id) {
12685 case BCM57712_VF:
12686 case BCM57800_VF:
12687 case BCM57810_VF:
12688 case BCM57840_VF:
12689 case BCM57811_VF:
12690 return true;
12691 default:
12692 return false;
12693 }
12694}
12695
12696struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
12697
12698static int bnx2x_init_one(struct pci_dev *pdev,
12699 const struct pci_device_id *ent)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012700{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012701 struct net_device *dev = NULL;
12702 struct bnx2x *bp;
Yuval Mintzb91e1a12013-09-28 08:46:12 +030012703 enum pcie_link_width pcie_width;
12704 enum pci_bus_speed pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012705 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000012706 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior1ab44342013-01-01 05:22:23 +000012707 int max_cos_est;
12708 bool is_vf;
Merav Sicron55c11942012-11-07 00:45:48 +000012709 int cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012710
12711 /* An estimated maximum supported CoS number according to the chip
Ariel Elior6383c0b2011-07-14 08:31:57 +000012712 * version.
12713 * We will try to roughly estimate the maximum number of CoSes this chip
12714 * may support in order to minimize the memory allocated for Tx
12715 * netdev_queue's. This number will be accurately calculated during the
12716 * initialization of bp->max_cos based on the chip versions AND chip
12717 * revision in the bnx2x_init_bp().
12718 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012719 max_cos_est = set_max_cos_est(ent->driver_data);
12720 if (max_cos_est < 0)
12721 return max_cos_est;
12722 is_vf = set_is_vf(ent->driver_data);
12723 cnic_cnt = is_vf ? 0 : 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012724
Ariel Elior60cad4e2013-09-04 14:09:22 +030012725 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt);
12726
12727 /* add another SB for VF as it has no default SB */
12728 max_non_def_sbs += is_vf ? 1 : 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012729
12730 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Ariel Elior60cad4e2013-09-04 14:09:22 +030012731 rss_count = max_non_def_sbs - cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012732
12733 if (rss_count < 1)
12734 return -EINVAL;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012735
12736 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000012737 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012738
Ariel Elior1ab44342013-01-01 05:22:23 +000012739 /* Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000012740 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000012741 */
Merav Sicron55c11942012-11-07 00:45:48 +000012742 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012743
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012744 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012745 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000012746 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012747 return -ENOMEM;
12748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012749 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012750
Ariel Elior1ab44342013-01-01 05:22:23 +000012751 bp->flags = 0;
12752 if (is_vf)
12753 bp->flags |= IS_VF_FLAG;
12754
Ariel Elior6383c0b2011-07-14 08:31:57 +000012755 bp->igu_sb_cnt = max_non_def_sbs;
Ariel Elior1ab44342013-01-01 05:22:23 +000012756 bp->igu_base_addr = IS_VF(bp) ? PXP_VF_ADDR_IGU_START : BAR_IGU_INTMEM;
Joe Perches7995c642010-02-17 15:01:52 +000012757 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000012758 bp->cnic_support = cnic_cnt;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012759 bp->cnic_probe = bnx2x_cnic_probe;
Merav Sicron55c11942012-11-07 00:45:48 +000012760
Eilon Greensteindf4770de2009-08-12 08:23:28 +000012761 pci_set_drvdata(pdev, dev);
12762
Ariel Elior1ab44342013-01-01 05:22:23 +000012763 rc = bnx2x_init_dev(bp, pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012764 if (rc < 0) {
12765 free_netdev(dev);
12766 return rc;
12767 }
12768
Ariel Elior1ab44342013-01-01 05:22:23 +000012769 BNX2X_DEV_INFO("This is a %s function\n",
12770 IS_PF(bp) ? "physical" : "virtual");
Merav Sicron55c11942012-11-07 00:45:48 +000012771 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Ariel Elior1ab44342013-01-01 05:22:23 +000012772 BNX2X_DEV_INFO("Max num of status blocks %d\n", max_non_def_sbs);
Merav Sicron60aa0502012-06-19 07:48:29 +000012773 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
Yuval Mintz2de67432013-01-23 03:21:43 +000012774 tx_count, rx_count);
Merav Sicron60aa0502012-06-19 07:48:29 +000012775
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012776 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000012777 if (rc)
12778 goto init_one_exit;
12779
Ariel Elior1ab44342013-01-01 05:22:23 +000012780 /* Map doorbells here as we need the real value of bp->max_cos which
12781 * is initialized in bnx2x_init_bp() to determine the number of
12782 * l2 connections.
Ariel Elior6383c0b2011-07-14 08:31:57 +000012783 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012784 if (IS_VF(bp)) {
Dmitry Kravkov1d6f3cd2013-03-27 01:05:17 +000012785 bp->doorbells = bnx2x_vf_doorbells(bp);
Ariel Elior64112802013-01-07 00:50:23 +000012786 rc = bnx2x_vf_pci_alloc(bp);
12787 if (rc)
12788 goto init_one_exit;
Ariel Elior1ab44342013-01-01 05:22:23 +000012789 } else {
12790 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
12791 if (doorbell_size > pci_resource_len(pdev, 2)) {
12792 dev_err(&bp->pdev->dev,
12793 "Cannot map doorbells, bar size too small, aborting\n");
12794 rc = -ENOMEM;
12795 goto init_one_exit;
12796 }
12797 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
12798 doorbell_size);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012799 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000012800 if (!bp->doorbells) {
12801 dev_err(&bp->pdev->dev,
12802 "Cannot map doorbell space, aborting\n");
12803 rc = -ENOMEM;
12804 goto init_one_exit;
12805 }
12806
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000012807 if (IS_VF(bp)) {
12808 rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
12809 if (rc)
12810 goto init_one_exit;
12811 }
12812
Ariel Elior3c76fef2013-03-11 05:17:46 +000012813 /* Enable SRIOV if capability found in configuration space */
12814 rc = bnx2x_iov_init_one(bp, int_mode, BNX2X_MAX_NUM_OF_VFS);
Ariel Elior290ca2b2013-01-01 05:22:31 +000012815 if (rc)
12816 goto init_one_exit;
12817
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012818 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012819 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Ariel Elior1ab44342013-01-01 05:22:23 +000012820 BNX2X_DEV_INFO("qm_cid_count %d\n", bp->qm_cid_count);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012821
Merav Sicron55c11942012-11-07 00:45:48 +000012822 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000012823 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012824 bp->flags |= NO_FCOE_FLAG;
12825
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012826 /* Set bp->num_queues for MSI-X mode*/
12827 bnx2x_set_num_queues(bp);
12828
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012829 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012830 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012831 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012832 rc = bnx2x_set_int_mode(bp);
12833 if (rc) {
12834 dev_err(&pdev->dev, "Cannot set interrupts\n");
12835 goto init_one_exit;
12836 }
Yuval Mintz04c46732013-01-23 03:21:46 +000012837 BNX2X_DEV_INFO("set interrupts successfully\n");
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012838
Ariel Elior1ab44342013-01-01 05:22:23 +000012839 /* register the net device */
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012840 rc = register_netdev(dev);
12841 if (rc) {
12842 dev_err(&pdev->dev, "Cannot register net device\n");
12843 goto init_one_exit;
12844 }
Ariel Elior1ab44342013-01-01 05:22:23 +000012845 BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012846
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012847 if (!NO_FCOE(bp)) {
12848 /* Add storage MAC address */
12849 rtnl_lock();
12850 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12851 rtnl_unlock();
12852 }
Yuval Mintzb91e1a12013-09-28 08:46:12 +030012853 if (pcie_get_minimum_link(bp->pdev, &pcie_speed, &pcie_width) ||
12854 pcie_speed == PCI_SPEED_UNKNOWN ||
12855 pcie_width == PCIE_LNK_WIDTH_UNKNOWN)
12856 BNX2X_DEV_INFO("Failed to determine PCI Express Bandwidth\n");
12857 else
12858 BNX2X_DEV_INFO(
12859 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Dmitry Kravkovca1ee4b2013-05-27 04:08:27 +000012860 board_info[ent->driver_data].name,
12861 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
12862 pcie_width,
Yuval Mintzb91e1a12013-09-28 08:46:12 +030012863 pcie_speed == PCIE_SPEED_2_5GT ? "2.5GHz" :
12864 pcie_speed == PCIE_SPEED_5_0GT ? "5.0GHz" :
12865 pcie_speed == PCIE_SPEED_8_0GT ? "8.0GHz" :
Dmitry Kravkovca1ee4b2013-05-27 04:08:27 +000012866 "Unknown",
12867 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000012868
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012869 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012870
12871init_one_exit:
12872 if (bp->regview)
12873 iounmap(bp->regview);
12874
Ariel Elior1ab44342013-01-01 05:22:23 +000012875 if (IS_PF(bp) && bp->doorbells)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012876 iounmap(bp->doorbells);
12877
12878 free_netdev(dev);
12879
12880 if (atomic_read(&pdev->enable_cnt) == 1)
12881 pci_release_regions(pdev);
12882
12883 pci_disable_device(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012884
12885 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012886}
12887
Yuval Mintzb030ed22013-05-27 04:08:30 +000012888static void __bnx2x_remove(struct pci_dev *pdev,
12889 struct net_device *dev,
12890 struct bnx2x *bp,
12891 bool remove_netdev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012892{
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012893 /* Delete storage MAC address */
12894 if (!NO_FCOE(bp)) {
12895 rtnl_lock();
12896 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12897 rtnl_unlock();
12898 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012899
Shmulik Ravid98507672011-02-28 12:19:55 -080012900#ifdef BCM_DCBNL
12901 /* Delete app tlvs from dcbnl */
12902 bnx2x_dcbnl_update_applist(bp, true);
12903#endif
12904
Barak Witkowskya6d3a5b2013-08-13 02:25:02 +030012905 if (IS_PF(bp) &&
12906 !BP_NOMCP(bp) &&
12907 (bp->flags & BC_SUPPORTS_RMMOD_CMD))
12908 bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0);
12909
Yuval Mintzb030ed22013-05-27 04:08:30 +000012910 /* Close the interface - either directly or implicitly */
12911 if (remove_netdev) {
12912 unregister_netdev(dev);
12913 } else {
12914 rtnl_lock();
Yuval Mintz6ef5a922013-08-13 02:25:03 +030012915 dev_close(dev);
Yuval Mintzb030ed22013-05-27 04:08:30 +000012916 rtnl_unlock();
12917 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012918
Ariel Elior78c3bcc2013-06-20 17:39:08 +030012919 bnx2x_iov_remove_one(bp);
12920
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012921 /* Power on: we can't let PCI layer write to us while we are in D3 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012922 if (IS_PF(bp))
12923 bnx2x_set_power_state(bp, PCI_D0);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012924
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012925 /* Disable MSI/MSI-X */
12926 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012927
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012928 /* Power off */
Ariel Elior1ab44342013-01-01 05:22:23 +000012929 if (IS_PF(bp))
12930 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012931
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012932 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012933 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Ariel Elior290ca2b2013-01-01 05:22:31 +000012934
Ariel Elior4513f922013-01-01 05:22:25 +000012935 /* send message via vfpf channel to release the resources of this vf */
12936 if (IS_VF(bp))
12937 bnx2x_vfpf_release(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012938
Yuval Mintzb030ed22013-05-27 04:08:30 +000012939 /* Assumes no further PCIe PM changes will occur */
12940 if (system_state == SYSTEM_POWER_OFF) {
12941 pci_wake_from_d3(pdev, bp->wol);
12942 pci_set_power_state(pdev, PCI_D3hot);
12943 }
12944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012945 if (bp->regview)
12946 iounmap(bp->regview);
12947
Ariel Elior1ab44342013-01-01 05:22:23 +000012948 /* for vf doorbells are part of the regview and were unmapped along with
12949 * it. FW is only loaded by PF.
12950 */
12951 if (IS_PF(bp)) {
12952 if (bp->doorbells)
12953 iounmap(bp->doorbells);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012954
Ariel Elior1ab44342013-01-01 05:22:23 +000012955 bnx2x_release_firmware(bp);
12956 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012957 bnx2x_free_mem_bp(bp);
12958
Yuval Mintzb030ed22013-05-27 04:08:30 +000012959 if (remove_netdev)
12960 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012961
12962 if (atomic_read(&pdev->enable_cnt) == 1)
12963 pci_release_regions(pdev);
12964
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012965 pci_disable_device(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012966}
12967
Yuval Mintzb030ed22013-05-27 04:08:30 +000012968static void bnx2x_remove_one(struct pci_dev *pdev)
12969{
12970 struct net_device *dev = pci_get_drvdata(pdev);
12971 struct bnx2x *bp;
12972
12973 if (!dev) {
12974 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
12975 return;
12976 }
12977 bp = netdev_priv(dev);
12978
12979 __bnx2x_remove(pdev, dev, bp, true);
12980}
12981
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012982static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12983{
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000012984 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012985
12986 bp->rx_mode = BNX2X_RX_MODE_NONE;
12987
Merav Sicron55c11942012-11-07 00:45:48 +000012988 if (CNIC_LOADED(bp))
12989 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12990
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012991 /* Stop Tx */
12992 bnx2x_tx_disable(bp);
Merav Sicron26614ba2012-08-27 03:26:19 +000012993 /* Delete all NAPI objects */
12994 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000012995 if (CNIC_LOADED(bp))
12996 bnx2x_del_all_napi_cnic(bp);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000012997 netdev_reset_tc(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012998
12999 del_timer_sync(&bp->timer);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013000 cancel_delayed_work(&bp->sp_task);
13001 cancel_delayed_work(&bp->period_task);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013002
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013003 spin_lock_bh(&bp->stats_lock);
13004 bp->stats_state = STATS_STATE_DISABLED;
13005 spin_unlock_bh(&bp->stats_lock);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013006
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013007 bnx2x_save_statistics(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013008
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013009 netif_carrier_off(bp->dev);
13010
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013011 return 0;
13012}
13013
Wendy Xiong493adb12008-06-23 20:36:22 -070013014/**
13015 * bnx2x_io_error_detected - called when PCI error is detected
13016 * @pdev: Pointer to PCI device
13017 * @state: The current pci connection state
13018 *
13019 * This function is called after a PCI bus error affecting
13020 * this device has been detected.
13021 */
13022static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
13023 pci_channel_state_t state)
13024{
13025 struct net_device *dev = pci_get_drvdata(pdev);
13026 struct bnx2x *bp = netdev_priv(dev);
13027
13028 rtnl_lock();
13029
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013030 BNX2X_ERR("IO error detected\n");
13031
Wendy Xiong493adb12008-06-23 20:36:22 -070013032 netif_device_detach(dev);
13033
Dean Nelson07ce50e2009-07-31 09:13:25 +000013034 if (state == pci_channel_io_perm_failure) {
13035 rtnl_unlock();
13036 return PCI_ERS_RESULT_DISCONNECT;
13037 }
13038
Wendy Xiong493adb12008-06-23 20:36:22 -070013039 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013040 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070013041
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013042 bnx2x_prev_path_mark_eeh(bp);
13043
Wendy Xiong493adb12008-06-23 20:36:22 -070013044 pci_disable_device(pdev);
13045
13046 rtnl_unlock();
13047
13048 /* Request a slot reset */
13049 return PCI_ERS_RESULT_NEED_RESET;
13050}
13051
13052/**
13053 * bnx2x_io_slot_reset - called after the PCI bus has been reset
13054 * @pdev: Pointer to PCI device
13055 *
13056 * Restart the card from scratch, as if from a cold-boot.
13057 */
13058static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
13059{
13060 struct net_device *dev = pci_get_drvdata(pdev);
13061 struct bnx2x *bp = netdev_priv(dev);
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013062 int i;
Wendy Xiong493adb12008-06-23 20:36:22 -070013063
13064 rtnl_lock();
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013065 BNX2X_ERR("IO slot reset initializing...\n");
Wendy Xiong493adb12008-06-23 20:36:22 -070013066 if (pci_enable_device(pdev)) {
13067 dev_err(&pdev->dev,
13068 "Cannot re-enable PCI device after reset\n");
13069 rtnl_unlock();
13070 return PCI_ERS_RESULT_DISCONNECT;
13071 }
13072
13073 pci_set_master(pdev);
13074 pci_restore_state(pdev);
Yuval Mintz70632d02013-04-24 01:45:02 +000013075 pci_save_state(pdev);
Wendy Xiong493adb12008-06-23 20:36:22 -070013076
13077 if (netif_running(dev))
13078 bnx2x_set_power_state(bp, PCI_D0);
13079
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013080 if (netif_running(dev)) {
13081 BNX2X_ERR("IO slot reset --> driver unload\n");
Yuval Mintze68072e2013-05-22 21:21:51 +000013082
13083 /* MCP should have been reset; Need to wait for validity */
13084 bnx2x_init_shmem(bp);
13085
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013086 if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
13087 u32 v;
13088
13089 v = SHMEM2_RD(bp,
13090 drv_capabilities_flag[BP_FW_MB_IDX(bp)]);
13091 SHMEM2_WR(bp, drv_capabilities_flag[BP_FW_MB_IDX(bp)],
13092 v & ~DRV_FLAGS_CAPABILITIES_LOADED_L2);
13093 }
13094 bnx2x_drain_tx_queues(bp);
13095 bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
13096 bnx2x_netif_stop(bp, 1);
13097 bnx2x_free_irq(bp);
13098
13099 /* Report UNLOAD_DONE to MCP */
13100 bnx2x_send_unload_done(bp, true);
13101
13102 bp->sp_state = 0;
13103 bp->port.pmf = 0;
13104
13105 bnx2x_prev_unload(bp);
13106
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013107 /* We should have reseted the engine, so It's fair to
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013108 * assume the FW will no longer write to the bnx2x driver.
13109 */
13110 bnx2x_squeeze_objects(bp);
13111 bnx2x_free_skbs(bp);
13112 for_each_rx_queue(bp, i)
13113 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
13114 bnx2x_free_fp_mem(bp);
13115 bnx2x_free_mem(bp);
13116
13117 bp->state = BNX2X_STATE_CLOSED;
13118 }
13119
Wendy Xiong493adb12008-06-23 20:36:22 -070013120 rtnl_unlock();
13121
13122 return PCI_ERS_RESULT_RECOVERED;
13123}
13124
13125/**
13126 * bnx2x_io_resume - called when traffic can start flowing again
13127 * @pdev: Pointer to PCI device
13128 *
13129 * This callback is called when the error recovery driver tells us that
13130 * its OK to resume normal operation.
13131 */
13132static void bnx2x_io_resume(struct pci_dev *pdev)
13133{
13134 struct net_device *dev = pci_get_drvdata(pdev);
13135 struct bnx2x *bp = netdev_priv(dev);
13136
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013137 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000013138 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000013139 return;
13140 }
13141
Wendy Xiong493adb12008-06-23 20:36:22 -070013142 rtnl_lock();
13143
Yuval Mintz7fa6f3402013-03-20 05:21:28 +000013144 bp->fw_seq = SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
13145 DRV_MSG_SEQ_NUMBER_MASK;
13146
Wendy Xiong493adb12008-06-23 20:36:22 -070013147 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070013148 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070013149
13150 netif_device_attach(dev);
13151
13152 rtnl_unlock();
13153}
13154
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070013155static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070013156 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000013157 .slot_reset = bnx2x_io_slot_reset,
13158 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070013159};
13160
Yuval Mintzb030ed22013-05-27 04:08:30 +000013161static void bnx2x_shutdown(struct pci_dev *pdev)
13162{
13163 struct net_device *dev = pci_get_drvdata(pdev);
13164 struct bnx2x *bp;
13165
13166 if (!dev)
13167 return;
13168
13169 bp = netdev_priv(dev);
13170 if (!bp)
13171 return;
13172
13173 rtnl_lock();
13174 netif_device_detach(dev);
13175 rtnl_unlock();
13176
13177 /* Don't remove the netdevice, as there are scenarios which will cause
13178 * the kernel to hang, e.g., when trying to remove bnx2i while the
13179 * rootfs is mounted from SAN.
13180 */
13181 __bnx2x_remove(pdev, dev, bp, false);
13182}
13183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013184static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070013185 .name = DRV_MODULE_NAME,
13186 .id_table = bnx2x_pci_tbl,
13187 .probe = bnx2x_init_one,
Bill Pemberton0329aba2012-12-03 09:24:24 -050013188 .remove = bnx2x_remove_one,
Wendy Xiong493adb12008-06-23 20:36:22 -070013189 .suspend = bnx2x_suspend,
13190 .resume = bnx2x_resume,
13191 .err_handler = &bnx2x_err_handler,
Ariel Elior3c76fef2013-03-11 05:17:46 +000013192#ifdef CONFIG_BNX2X_SRIOV
13193 .sriov_configure = bnx2x_sriov_configure,
13194#endif
Yuval Mintzb030ed22013-05-27 04:08:30 +000013195 .shutdown = bnx2x_shutdown,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013196};
13197
13198static int __init bnx2x_init(void)
13199{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013200 int ret;
13201
Joe Perches7995c642010-02-17 15:01:52 +000013202 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000013203
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013204 bnx2x_wq = create_singlethread_workqueue("bnx2x");
13205 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000013206 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013207 return -ENOMEM;
13208 }
13209
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013210 ret = pci_register_driver(&bnx2x_pci_driver);
13211 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000013212 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000013213 destroy_workqueue(bnx2x_wq);
13214 }
13215 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013216}
13217
13218static void __exit bnx2x_cleanup(void)
13219{
Yuval Mintz452427b2012-03-26 20:47:07 +000013220 struct list_head *pos, *q;
Yuval Mintzd76a6112013-06-02 00:06:17 +000013221
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013222 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080013223
13224 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000013225
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013226 /* Free globally allocated resources */
Yuval Mintz452427b2012-03-26 20:47:07 +000013227 list_for_each_safe(pos, q, &bnx2x_prev_list) {
13228 struct bnx2x_prev_path_list *tmp =
13229 list_entry(pos, struct bnx2x_prev_path_list, list);
13230 list_del(pos);
13231 kfree(tmp);
13232 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013233}
13234
Yaniv Rosner3deb8162011-06-14 01:34:33 +000013235void bnx2x_notify_link_changed(struct bnx2x *bp)
13236{
13237 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
13238}
13239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020013240module_init(bnx2x_init);
13241module_exit(bnx2x_cleanup);
13242
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013243/**
13244 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
13245 *
13246 * @bp: driver handle
13247 * @set: set or clear the CAM entry
13248 *
Yuval Mintz16a5fd92013-06-02 00:06:18 +000013249 * This function will wait until the ramrod completion returns.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013250 * Return 0 if success, -ENODEV if ramrod doesn't return.
13251 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000013252static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013253{
13254 unsigned long ramrod_flags = 0;
13255
13256 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
13257 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
13258 &bp->iscsi_l2_mac_obj, true,
13259 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
13260}
Michael Chan993ac7b2009-10-10 13:46:56 +000013261
13262/* count denotes the number of new completions we have seen */
13263static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
13264{
13265 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000013266 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000013267
13268#ifdef BNX2X_STOP_ON_ERROR
13269 if (unlikely(bp->panic))
13270 return;
13271#endif
13272
13273 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013274 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000013275 bp->cnic_spq_pending -= count;
13276
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013277 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
13278 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
13279 & SPE_HDR_CONN_TYPE) >>
13280 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013281 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
13282 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013283
13284 /* Set validation for iSCSI L2 client before sending SETUP
13285 * ramrod
13286 */
13287 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000013288 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000013289 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000013290 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000013291 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000013292 (cxt_index * ILT_PAGE_CIDS);
13293 bnx2x_set_ctx_validation(bp,
13294 &bp->context[cxt_index].
13295 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000013296 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000013297 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013298 }
13299
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013300 /*
13301 * There may be not more than 8 L2, not more than 8 L5 SPEs
13302 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080013303 * COMMON ramrods is not more than the EQ and SPQ can
13304 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013305 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080013306 if (type == ETH_CONNECTION_TYPE) {
13307 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013308 break;
13309 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080013310 atomic_dec(&bp->cq_spq_left);
13311 } else if (type == NONE_CONNECTION_TYPE) {
13312 if (!atomic_read(&bp->eq_spq_left))
13313 break;
13314 else
13315 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013316 } else if ((type == ISCSI_CONNECTION_TYPE) ||
13317 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013318 if (bp->cnic_spq_pending >=
13319 bp->cnic_eth_dev.max_kwqe_pending)
13320 break;
13321 else
13322 bp->cnic_spq_pending++;
13323 } else {
13324 BNX2X_ERR("Unknown SPE type: %d\n", type);
13325 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000013326 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013327 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013328
13329 spe = bnx2x_sp_get_next(bp);
13330 *spe = *bp->cnic_kwq_cons;
13331
Merav Sicron51c1a582012-03-18 10:33:38 +000013332 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000013333 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
13334
13335 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
13336 bp->cnic_kwq_cons = bp->cnic_kwq;
13337 else
13338 bp->cnic_kwq_cons++;
13339 }
13340 bnx2x_sp_prod_update(bp);
13341 spin_unlock_bh(&bp->spq_lock);
13342}
13343
13344static int bnx2x_cnic_sp_queue(struct net_device *dev,
13345 struct kwqe_16 *kwqes[], u32 count)
13346{
13347 struct bnx2x *bp = netdev_priv(dev);
13348 int i;
13349
13350#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000013351 if (unlikely(bp->panic)) {
13352 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013353 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000013354 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013355#endif
13356
Ariel Elior95c6c6162012-01-26 06:01:52 +000013357 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
13358 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000013359 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000013360 return -EAGAIN;
13361 }
13362
Michael Chan993ac7b2009-10-10 13:46:56 +000013363 spin_lock_bh(&bp->spq_lock);
13364
13365 for (i = 0; i < count; i++) {
13366 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
13367
13368 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
13369 break;
13370
13371 *bp->cnic_kwq_prod = *spe;
13372
13373 bp->cnic_kwq_pending++;
13374
Merav Sicron51c1a582012-03-18 10:33:38 +000013375 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000013376 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013377 spe->data.update_data_addr.hi,
13378 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000013379 bp->cnic_kwq_pending);
13380
13381 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
13382 bp->cnic_kwq_prod = bp->cnic_kwq;
13383 else
13384 bp->cnic_kwq_prod++;
13385 }
13386
13387 spin_unlock_bh(&bp->spq_lock);
13388
13389 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
13390 bnx2x_cnic_sp_post(bp, 0);
13391
13392 return i;
13393}
13394
13395static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
13396{
13397 struct cnic_ops *c_ops;
13398 int rc = 0;
13399
13400 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000013401 c_ops = rcu_dereference_protected(bp->cnic_ops,
13402 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000013403 if (c_ops)
13404 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
13405 mutex_unlock(&bp->cnic_mutex);
13406
13407 return rc;
13408}
13409
13410static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
13411{
13412 struct cnic_ops *c_ops;
13413 int rc = 0;
13414
13415 rcu_read_lock();
13416 c_ops = rcu_dereference(bp->cnic_ops);
13417 if (c_ops)
13418 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
13419 rcu_read_unlock();
13420
13421 return rc;
13422}
13423
13424/*
13425 * for commands that have no data
13426 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000013427int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000013428{
13429 struct cnic_ctl_info ctl = {0};
13430
13431 ctl.cmd = cmd;
13432
13433 return bnx2x_cnic_ctl_send(bp, &ctl);
13434}
13435
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013436static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000013437{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013438 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000013439
13440 /* first we tell CNIC and only then we count this as a completion */
13441 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
13442 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013443 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000013444
13445 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013446 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000013447}
13448
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013449/* Called with netif_addr_lock_bh() taken.
13450 * Sets an rx_mode config for an iSCSI ETH client.
13451 * Doesn't block.
13452 * Completion should be checked outside.
13453 */
13454static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
13455{
13456 unsigned long accept_flags = 0, ramrod_flags = 0;
13457 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
13458 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
13459
13460 if (start) {
13461 /* Start accepting on iSCSI L2 ring. Accept all multicasts
13462 * because it's the only way for UIO Queue to accept
13463 * multicasts (in non-promiscuous mode only one Queue per
13464 * function will receive multicast packets (leading in our
13465 * case).
13466 */
13467 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
13468 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
13469 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
13470 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
13471
13472 /* Clear STOP_PENDING bit if START is requested */
13473 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
13474
13475 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
13476 } else
13477 /* Clear START_PENDING bit if STOP is requested */
13478 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
13479
13480 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
13481 set_bit(sched_state, &bp->sp_state);
13482 else {
13483 __set_bit(RAMROD_RX, &ramrod_flags);
13484 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
13485 ramrod_flags);
13486 }
13487}
13488
Michael Chan993ac7b2009-10-10 13:46:56 +000013489static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
13490{
13491 struct bnx2x *bp = netdev_priv(dev);
13492 int rc = 0;
13493
13494 switch (ctl->cmd) {
13495 case DRV_CTL_CTXTBL_WR_CMD: {
13496 u32 index = ctl->data.io.offset;
13497 dma_addr_t addr = ctl->data.io.dma_addr;
13498
13499 bnx2x_ilt_wr(bp, index, addr);
13500 break;
13501 }
13502
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013503 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
13504 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000013505
13506 bnx2x_cnic_sp_post(bp, count);
13507 break;
13508 }
13509
13510 /* rtnl_lock is held. */
13511 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013512 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13513 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000013514
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013515 /* Configure the iSCSI classification object */
13516 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
13517 cp->iscsi_l2_client_id,
13518 cp->iscsi_l2_cid, BP_FUNC(bp),
13519 bnx2x_sp(bp, mac_rdata),
13520 bnx2x_sp_mapping(bp, mac_rdata),
13521 BNX2X_FILTER_MAC_PENDING,
13522 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
13523 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000013524
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013525 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013526 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
13527 if (rc)
13528 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013529
13530 mmiowb();
13531 barrier();
13532
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013533 /* Start accepting on iSCSI L2 ring */
13534
13535 netif_addr_lock_bh(dev);
13536 bnx2x_set_iscsi_eth_rx_mode(bp, true);
13537 netif_addr_unlock_bh(dev);
13538
13539 /* bits to wait on */
13540 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
13541 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
13542
13543 if (!bnx2x_wait_sp_comp(bp, sp_bits))
13544 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013545
Michael Chan993ac7b2009-10-10 13:46:56 +000013546 break;
13547 }
13548
13549 /* rtnl_lock is held. */
13550 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013551 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000013552
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013553 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013554 netif_addr_lock_bh(dev);
13555 bnx2x_set_iscsi_eth_rx_mode(bp, false);
13556 netif_addr_unlock_bh(dev);
13557
13558 /* bits to wait on */
13559 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
13560 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
13561
13562 if (!bnx2x_wait_sp_comp(bp, sp_bits))
13563 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013564
13565 mmiowb();
13566 barrier();
13567
13568 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013569 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
13570 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000013571 break;
13572 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013573 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
13574 int count = ctl->data.credit.credit_count;
13575
13576 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080013577 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013578 smp_mb__after_atomic_inc();
13579 break;
13580 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000013581 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000013582 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000013583
13584 if (CHIP_IS_E3(bp)) {
13585 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000013586 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
13587 int path = BP_PATH(bp);
13588 int port = BP_PORT(bp);
13589 int i;
13590 u32 scratch_offset;
13591 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000013592
Barak Witkowski2e499d32012-06-26 01:31:19 +000013593 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000013594 if (ulp_type == CNIC_ULP_ISCSI)
13595 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13596 else if (ulp_type == CNIC_ULP_FCOE)
13597 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13598 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000013599
13600 if ((ulp_type != CNIC_ULP_FCOE) ||
13601 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
13602 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
13603 break;
13604
13605 /* if reached here - should write fcoe capabilities */
13606 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
13607 if (!scratch_offset)
13608 break;
13609 scratch_offset += offsetof(struct glob_ncsi_oem_data,
13610 fcoe_features[path][port]);
13611 host_addr = (u32 *) &(ctl->data.register_data.
13612 fcoe_features);
13613 for (i = 0; i < sizeof(struct fcoe_capabilities);
13614 i += 4)
13615 REG_WR(bp, scratch_offset + i,
13616 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000013617 }
13618 break;
13619 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000013620
Barak Witkowski1d187b32011-12-05 22:41:50 +000013621 case DRV_CTL_ULP_UNREGISTER_CMD: {
13622 int ulp_type = ctl->data.ulp_type;
13623
13624 if (CHIP_IS_E3(bp)) {
13625 int idx = BP_FW_MB_IDX(bp);
13626 u32 cap;
13627
13628 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
13629 if (ulp_type == CNIC_ULP_ISCSI)
13630 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13631 else if (ulp_type == CNIC_ULP_FCOE)
13632 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13633 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
13634 }
13635 break;
13636 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013637
13638 default:
13639 BNX2X_ERR("unknown command %x\n", ctl->cmd);
13640 rc = -EINVAL;
13641 }
13642
13643 return rc;
13644}
13645
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000013646void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000013647{
13648 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13649
13650 if (bp->flags & USING_MSIX_FLAG) {
13651 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
13652 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
13653 cp->irq_arr[0].vector = bp->msix_table[1].vector;
13654 } else {
13655 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
13656 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
13657 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013658 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013659 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
13660 else
13661 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
13662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013663 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
13664 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013665 cp->irq_arr[1].status_blk = bp->def_status_blk;
13666 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013667 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000013668
13669 cp->num_irq = 2;
13670}
13671
Merav Sicron37ae41a2012-06-19 07:48:27 +000013672void bnx2x_setup_cnic_info(struct bnx2x *bp)
13673{
13674 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13675
Merav Sicron37ae41a2012-06-19 07:48:27 +000013676 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13677 bnx2x_cid_ilt_lines(bp);
13678 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
13679 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
13680 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
13681
Michael Chanf78afb32013-09-18 01:50:38 -070013682 DP(NETIF_MSG_IFUP, "BNX2X_1st_NON_L2_ETH_CID(bp) %x, cp->starting_cid %x, cp->fcoe_init_cid %x, cp->iscsi_l2_cid %x\n",
13683 BNX2X_1st_NON_L2_ETH_CID(bp), cp->starting_cid, cp->fcoe_init_cid,
13684 cp->iscsi_l2_cid);
13685
Merav Sicron37ae41a2012-06-19 07:48:27 +000013686 if (NO_ISCSI_OOO(bp))
13687 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13688}
13689
Michael Chan993ac7b2009-10-10 13:46:56 +000013690static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
13691 void *data)
13692{
13693 struct bnx2x *bp = netdev_priv(dev);
13694 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000013695 int rc;
13696
13697 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013698
Merav Sicron51c1a582012-03-18 10:33:38 +000013699 if (ops == NULL) {
13700 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013701 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000013702 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013703
Merav Sicron55c11942012-11-07 00:45:48 +000013704 if (!CNIC_SUPPORT(bp)) {
13705 BNX2X_ERR("Can't register CNIC when not supported\n");
13706 return -EOPNOTSUPP;
13707 }
13708
13709 if (!CNIC_LOADED(bp)) {
13710 rc = bnx2x_load_cnic(bp);
13711 if (rc) {
13712 BNX2X_ERR("CNIC-related load failed\n");
13713 return rc;
13714 }
Merav Sicron55c11942012-11-07 00:45:48 +000013715 }
13716
13717 bp->cnic_enabled = true;
13718
Michael Chan993ac7b2009-10-10 13:46:56 +000013719 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
13720 if (!bp->cnic_kwq)
13721 return -ENOMEM;
13722
13723 bp->cnic_kwq_cons = bp->cnic_kwq;
13724 bp->cnic_kwq_prod = bp->cnic_kwq;
13725 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
13726
13727 bp->cnic_spq_pending = 0;
13728 bp->cnic_kwq_pending = 0;
13729
13730 bp->cnic_data = data;
13731
13732 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013733 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013734 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000013735
Michael Chan993ac7b2009-10-10 13:46:56 +000013736 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013737
Michael Chan993ac7b2009-10-10 13:46:56 +000013738 rcu_assign_pointer(bp->cnic_ops, ops);
13739
13740 return 0;
13741}
13742
13743static int bnx2x_unregister_cnic(struct net_device *dev)
13744{
13745 struct bnx2x *bp = netdev_priv(dev);
13746 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13747
13748 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000013749 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000013750 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000013751 mutex_unlock(&bp->cnic_mutex);
13752 synchronize_rcu();
Yuval Mintzfea75642013-04-10 13:34:39 +030013753 bp->cnic_enabled = false;
Michael Chan993ac7b2009-10-10 13:46:56 +000013754 kfree(bp->cnic_kwq);
13755 bp->cnic_kwq = NULL;
13756
13757 return 0;
13758}
13759
13760struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
13761{
13762 struct bnx2x *bp = netdev_priv(dev);
13763 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13764
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013765 /* If both iSCSI and FCoE are disabled - return NULL in
13766 * order to indicate CNIC that it should not try to work
13767 * with this device.
13768 */
13769 if (NO_ISCSI(bp) && NO_FCOE(bp))
13770 return NULL;
13771
Michael Chan993ac7b2009-10-10 13:46:56 +000013772 cp->drv_owner = THIS_MODULE;
13773 cp->chip_id = CHIP_ID(bp);
13774 cp->pdev = bp->pdev;
13775 cp->io_base = bp->regview;
13776 cp->io_base2 = bp->doorbells;
13777 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013778 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013779 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13780 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013781 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013782 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000013783 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
13784 cp->drv_ctl = bnx2x_drv_ctl;
13785 cp->drv_register_cnic = bnx2x_register_cnic;
13786 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000013787 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013788 cp->iscsi_l2_client_id =
13789 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000013790 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013791
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013792 if (NO_ISCSI_OOO(bp))
13793 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13794
13795 if (NO_ISCSI(bp))
13796 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
13797
13798 if (NO_FCOE(bp))
13799 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
13800
Merav Sicron51c1a582012-03-18 10:33:38 +000013801 BNX2X_DEV_INFO(
13802 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013803 cp->ctx_blk_size,
13804 cp->ctx_tbl_offset,
13805 cp->ctx_tbl_len,
13806 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000013807 return cp;
13808}
Michael Chan993ac7b2009-10-10 13:46:56 +000013809
Ariel Elior64112802013-01-07 00:50:23 +000013810u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013811{
Ariel Elior64112802013-01-07 00:50:23 +000013812 struct bnx2x *bp = fp->bp;
13813 u32 offset = BAR_USTRORM_INTMEM;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013814
Ariel Elior64112802013-01-07 00:50:23 +000013815 if (IS_VF(bp))
13816 return bnx2x_vf_ustorm_prods_offset(bp, fp);
13817 else if (!CHIP_IS_E1x(bp))
13818 offset += USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
13819 else
13820 offset += USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013821
Ariel Elior64112802013-01-07 00:50:23 +000013822 return offset;
13823}
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013824
Ariel Elior64112802013-01-07 00:50:23 +000013825/* called only on E1H or E2.
13826 * When pretending to be PF, the pretend value is the function number 0...7
13827 * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID
13828 * combination
13829 */
13830int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val)
13831{
13832 u32 pretend_reg;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013833
Ariel Elior23826852013-01-09 07:04:35 +000013834 if (CHIP_IS_E1H(bp) && pretend_func_val >= E1H_FUNC_MAX)
Ariel Elior64112802013-01-07 00:50:23 +000013835 return -1;
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013836
Ariel Elior64112802013-01-07 00:50:23 +000013837 /* get my own pretend register */
13838 pretend_reg = bnx2x_get_pretend_reg(bp);
13839 REG_WR(bp, pretend_reg, pretend_func_val);
13840 REG_RD(bp, pretend_reg);
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013841 return 0;
13842}