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Jitendra Kalsaria28c4ec02014-06-23 15:10:33 -04001/* bnx2.c: QLogic NX2 network driver.
Michael Chanb6016b72005-05-26 13:03:09 -07002 *
Jitendra Kalsaria28c4ec02014-06-23 15:10:33 -04003 * Copyright (c) 2004-2014 Broadcom Corporation
4 * Copyright (c) 2014 QLogic Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07005 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 *
10 * Written by: Michael Chan (mchan@broadcom.com)
11 */
12
Joe Perches3a9c6a42010-02-17 15:01:51 +000013#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Michael Chanf2a4f052006-03-23 01:13:12 -080014
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17
Michael Chan555069d2012-06-16 15:45:41 +000018#include <linux/stringify.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080019#include <linux/kernel.h>
20#include <linux/timer.h>
21#include <linux/errno.h>
22#include <linux/ioport.h>
23#include <linux/slab.h>
24#include <linux/vmalloc.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080027#include <linux/netdevice.h>
28#include <linux/etherdevice.h>
29#include <linux/skbuff.h>
30#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070031#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080032#include <asm/io.h>
33#include <asm/irq.h>
34#include <linux/delay.h>
35#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070036#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080037#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Jiri Pirko01789342011-08-16 06:29:00 +000040#include <linux/if.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080041#include <linux/if_vlan.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080042#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070043#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080044#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080048#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070049#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070050#include <linux/log2.h>
John Feeneycd709aa2010-08-22 17:45:53 +000051#include <linux/aer.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080052
Michael Chan4edd4732009-06-08 18:14:42 -070053#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
54#define BCM_CNIC 1
55#include "cnic_if.h"
56#endif
Michael Chanb6016b72005-05-26 13:03:09 -070057#include "bnx2.h"
58#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070059
Michael Chanb6016b72005-05-26 13:03:09 -070060#define DRV_MODULE_NAME "bnx2"
Michael Chan487d9ed2013-12-31 23:22:35 -080061#define DRV_MODULE_VERSION "2.2.5"
62#define DRV_MODULE_RELDATE "December 20, 2013"
Michael Chanc2c20ef2011-12-18 18:15:09 +000063#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070064#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
Michael Chanc2c20ef2011-12-18 18:15:09 +000065#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070066#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
67#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070068
69#define RUN_AT(x) (jiffies + (x))
70
71/* Time in jiffies before concluding the transmitter is hung. */
72#define TX_TIMEOUT (5*HZ)
73
Bill Pembertoncfd95a62012-12-03 09:22:58 -050074static char version[] =
Jitendra Kalsaria28c4ec02014-06-23 15:10:33 -040075 "QLogic NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
Michael Chanb6016b72005-05-26 13:03:09 -070076
77MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Jitendra Kalsaria28c4ec02014-06-23 15:10:33 -040078MODULE_DESCRIPTION("QLogic NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070079MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070081MODULE_FIRMWARE(FW_MIPS_FILE_06);
82MODULE_FIRMWARE(FW_RV2P_FILE_06);
83MODULE_FIRMWARE(FW_MIPS_FILE_09);
84MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070085MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070086
87static int disable_msi = 0;
88
James M Leddy1c8bb762014-02-04 15:10:59 -050089module_param(disable_msi, int, S_IRUGO);
Michael Chanb6016b72005-05-26 13:03:09 -070090MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
91
92typedef enum {
93 BCM5706 = 0,
94 NC370T,
95 NC370I,
96 BCM5706S,
97 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080098 BCM5708,
99 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -0800100 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700101 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700102 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800103 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700104} board_t;
105
106/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800107static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700108 char *name;
Bill Pembertoncfd95a62012-12-03 09:22:58 -0500109} board_info[] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700110 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
111 { "HP NC370T Multifunction Gigabit Server Adapter" },
112 { "HP NC370i Multifunction Gigabit Server Adapter" },
113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
114 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800115 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800117 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700119 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700121 };
122
Michael Chan7bb0a042008-07-14 22:37:47 -0700123static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700142 { PCI_VENDOR_ID_BROADCOM, 0x163b,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800144 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700146 { 0, }
147};
148
Michael Chan0ced9d02009-08-21 16:20:49 +0000149static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700150{
Michael Chane30372c2007-07-16 18:26:23 -0700151#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
152#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700153 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800158 /* Expansion entry 0001 */
159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700163 /* Saifun SA25F010 (non-buffered flash) */
164 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
168 "Non-buffered flash (128kB)"},
169 /* Saifun SA25F020 (non-buffered flash) */
170 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
174 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800175 /* Expansion entry 0100 */
176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 0100"},
180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
190 /* Saifun SA25F005 (non-buffered flash) */
191 /* strap, cfg1, & write1 need updates */
192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
195 "Non-buffered flash (64kB)"},
196 /* Fast EEPROM */
197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 "EEPROM - fast"},
201 /* Expansion entry 1001 */
202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1001"},
206 /* Expansion entry 1010 */
207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1010"},
211 /* ATMEL AT45DB011B (buffered flash) */
212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
215 "Buffered flash (128kB)"},
216 /* Expansion entry 1100 */
217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 1100"},
221 /* Expansion entry 1101 */
222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 "Entry 1101"},
226 /* Ateml Expansion entry 1110 */
227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
230 "Entry 1110 (Atmel)"},
231 /* ATMEL AT45DB021B (buffered flash) */
232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
235 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700236};
237
Michael Chan0ced9d02009-08-21 16:20:49 +0000238static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700239 .flags = BNX2_NV_BUFFERED,
240 .page_bits = BCM5709_FLASH_PAGE_BITS,
241 .page_size = BCM5709_FLASH_PAGE_SIZE,
242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
244 .name = "5709 Buffered flash (256kB)",
245};
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248
Benjamin Li4327ba42010-03-23 13:13:11 +0000249static void bnx2_init_napi(struct bnx2 *bp);
Michael Chanf048fa92010-06-01 15:05:36 +0000250static void bnx2_del_napi(struct bnx2 *bp);
Benjamin Li4327ba42010-03-23 13:13:11 +0000251
Michael Chan35e90102008-06-19 16:37:42 -0700252static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700253{
Michael Chan2f8af122006-08-15 01:39:10 -0700254 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700255
Michael Chan11848b962010-07-19 14:15:04 +0000256 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
257 barrier();
Michael Chanfaac9c42006-12-14 15:56:32 -0800258
259 /* The ring uses 256 indices for 255 entries, one of them
260 * needs to be skipped.
261 */
Michael Chan35e90102008-06-19 16:37:42 -0700262 diff = txr->tx_prod - txr->tx_cons;
Michael Chan2bc40782012-12-06 10:33:09 +0000263 if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
Michael Chanfaac9c42006-12-14 15:56:32 -0800264 diff &= 0xffff;
Michael Chan2bc40782012-12-06 10:33:09 +0000265 if (diff == BNX2_TX_DESC_CNT)
266 diff = BNX2_MAX_TX_DESC_CNT;
Michael Chanfaac9c42006-12-14 15:56:32 -0800267 }
Eric Dumazet807540b2010-09-23 05:40:09 +0000268 return bp->tx_ring_size - diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700269}
270
Michael Chanb6016b72005-05-26 13:03:09 -0700271static u32
272bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
273{
Michael Chan1b8227c2007-05-03 13:24:05 -0700274 u32 val;
275
276 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000277 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
278 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
Michael Chan1b8227c2007-05-03 13:24:05 -0700279 spin_unlock_bh(&bp->indirect_lock);
280 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700281}
282
283static void
284bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
285{
Michael Chan1b8227c2007-05-03 13:24:05 -0700286 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000287 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
288 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700289 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700290}
291
292static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800293bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
294{
295 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
296}
297
298static u32
299bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
300{
Eric Dumazet807540b2010-09-23 05:40:09 +0000301 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
Michael Chan2726d6e2008-01-29 21:35:05 -0800302}
303
304static void
Michael Chanb6016b72005-05-26 13:03:09 -0700305bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
306{
307 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700308 spin_lock_bh(&bp->indirect_lock);
Michael Chan4ce45e02012-12-06 10:33:10 +0000309 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -0800310 int i;
311
Michael Chane503e062012-12-06 10:33:08 +0000312 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
313 BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
314 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -0800315 for (i = 0; i < 5; i++) {
Michael Chane503e062012-12-06 10:33:08 +0000316 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -0800317 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
318 break;
319 udelay(5);
320 }
321 } else {
Michael Chane503e062012-12-06 10:33:08 +0000322 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
323 BNX2_WR(bp, BNX2_CTX_DATA, val);
Michael Chan59b47d82006-11-19 14:10:45 -0800324 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700325 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700326}
327
Michael Chan4edd4732009-06-08 18:14:42 -0700328#ifdef BCM_CNIC
329static int
330bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
331{
332 struct bnx2 *bp = netdev_priv(dev);
333 struct drv_ctl_io *io = &info->data.io;
334
335 switch (info->cmd) {
336 case DRV_CTL_IO_WR_CMD:
337 bnx2_reg_wr_ind(bp, io->offset, io->data);
338 break;
339 case DRV_CTL_IO_RD_CMD:
340 io->data = bnx2_reg_rd_ind(bp, io->offset);
341 break;
342 case DRV_CTL_CTX_WR_CMD:
343 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
344 break;
345 default:
346 return -EINVAL;
347 }
348 return 0;
349}
350
351static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
352{
353 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
354 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
355 int sb_id;
356
357 if (bp->flags & BNX2_FLAG_USING_MSIX) {
358 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
359 bnapi->cnic_present = 0;
360 sb_id = bp->irq_nvecs;
361 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
362 } else {
363 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
364 bnapi->cnic_tag = bnapi->last_status_idx;
365 bnapi->cnic_present = 1;
366 sb_id = 0;
367 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
368 }
369
370 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
371 cp->irq_arr[0].status_blk = (void *)
372 ((unsigned long) bnapi->status_blk.msi +
373 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
374 cp->irq_arr[0].status_blk_num = sb_id;
375 cp->num_irq = 1;
376}
377
378static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
379 void *data)
380{
381 struct bnx2 *bp = netdev_priv(dev);
382 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
383
384 if (ops == NULL)
385 return -EINVAL;
386
387 if (cp->drv_state & CNIC_DRV_STATE_REGD)
388 return -EBUSY;
389
Michael Chan41c21782011-07-13 17:24:22 +0000390 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
391 return -ENODEV;
392
Michael Chan4edd4732009-06-08 18:14:42 -0700393 bp->cnic_data = data;
394 rcu_assign_pointer(bp->cnic_ops, ops);
395
396 cp->num_irq = 0;
397 cp->drv_state = CNIC_DRV_STATE_REGD;
398
399 bnx2_setup_cnic_irq_info(bp);
400
401 return 0;
402}
403
404static int bnx2_unregister_cnic(struct net_device *dev)
405{
406 struct bnx2 *bp = netdev_priv(dev);
407 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
408 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
409
Michael Chanc5a88952009-08-14 15:49:45 +0000410 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700411 cp->drv_state = 0;
412 bnapi->cnic_present = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +0000413 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000414 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700415 synchronize_rcu();
416 return 0;
417}
418
stephen hemminger61c2fc42013-04-10 10:53:40 +0000419static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
Michael Chan4edd4732009-06-08 18:14:42 -0700420{
421 struct bnx2 *bp = netdev_priv(dev);
422 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
423
Michael Chan7625eb22011-06-08 19:29:36 +0000424 if (!cp->max_iscsi_conn)
425 return NULL;
426
Michael Chan4edd4732009-06-08 18:14:42 -0700427 cp->drv_owner = THIS_MODULE;
428 cp->chip_id = bp->chip_id;
429 cp->pdev = bp->pdev;
430 cp->io_base = bp->regview;
431 cp->drv_ctl = bnx2_drv_ctl;
432 cp->drv_register_cnic = bnx2_register_cnic;
433 cp->drv_unregister_cnic = bnx2_unregister_cnic;
434
435 return cp;
436}
Michael Chan4edd4732009-06-08 18:14:42 -0700437
438static void
439bnx2_cnic_stop(struct bnx2 *bp)
440{
441 struct cnic_ops *c_ops;
442 struct cnic_ctl_info info;
443
Michael Chanc5a88952009-08-14 15:49:45 +0000444 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000445 c_ops = rcu_dereference_protected(bp->cnic_ops,
446 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700447 if (c_ops) {
448 info.cmd = CNIC_CTL_STOP_CMD;
449 c_ops->cnic_ctl(bp->cnic_data, &info);
450 }
Michael Chanc5a88952009-08-14 15:49:45 +0000451 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700452}
453
454static void
455bnx2_cnic_start(struct bnx2 *bp)
456{
457 struct cnic_ops *c_ops;
458 struct cnic_ctl_info info;
459
Michael Chanc5a88952009-08-14 15:49:45 +0000460 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000461 c_ops = rcu_dereference_protected(bp->cnic_ops,
462 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700463 if (c_ops) {
464 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
465 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
466
467 bnapi->cnic_tag = bnapi->last_status_idx;
468 }
469 info.cmd = CNIC_CTL_START_CMD;
470 c_ops->cnic_ctl(bp->cnic_data, &info);
471 }
Michael Chanc5a88952009-08-14 15:49:45 +0000472 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700473}
474
475#else
476
477static void
478bnx2_cnic_stop(struct bnx2 *bp)
479{
480}
481
482static void
483bnx2_cnic_start(struct bnx2 *bp)
484{
485}
486
487#endif
488
Michael Chanb6016b72005-05-26 13:03:09 -0700489static int
490bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
491{
492 u32 val1;
493 int i, ret;
494
Michael Chan583c28e2008-01-21 19:51:35 -0800495 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000496 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700497 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
498
Michael Chane503e062012-12-06 10:33:08 +0000499 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
500 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700501
502 udelay(40);
503 }
504
505 val1 = (bp->phy_addr << 21) | (reg << 16) |
506 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
507 BNX2_EMAC_MDIO_COMM_START_BUSY;
Michael Chane503e062012-12-06 10:33:08 +0000508 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Michael Chanb6016b72005-05-26 13:03:09 -0700509
510 for (i = 0; i < 50; i++) {
511 udelay(10);
512
Michael Chane503e062012-12-06 10:33:08 +0000513 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700514 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
515 udelay(5);
516
Michael Chane503e062012-12-06 10:33:08 +0000517 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700518 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
519
520 break;
521 }
522 }
523
524 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
525 *val = 0x0;
526 ret = -EBUSY;
527 }
528 else {
529 *val = val1;
530 ret = 0;
531 }
532
Michael Chan583c28e2008-01-21 19:51:35 -0800533 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000534 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700535 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
536
Michael Chane503e062012-12-06 10:33:08 +0000537 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
538 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700539
540 udelay(40);
541 }
542
543 return ret;
544}
545
546static int
547bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
548{
549 u32 val1;
550 int i, ret;
551
Michael Chan583c28e2008-01-21 19:51:35 -0800552 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000553 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700554 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
555
Michael Chane503e062012-12-06 10:33:08 +0000556 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
557 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700558
559 udelay(40);
560 }
561
562 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
563 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
564 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
Michael Chane503e062012-12-06 10:33:08 +0000565 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400566
Michael Chanb6016b72005-05-26 13:03:09 -0700567 for (i = 0; i < 50; i++) {
568 udelay(10);
569
Michael Chane503e062012-12-06 10:33:08 +0000570 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700571 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
572 udelay(5);
573 break;
574 }
575 }
576
577 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
578 ret = -EBUSY;
579 else
580 ret = 0;
581
Michael Chan583c28e2008-01-21 19:51:35 -0800582 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000583 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700584 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
585
Michael Chane503e062012-12-06 10:33:08 +0000586 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
587 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700588
589 udelay(40);
590 }
591
592 return ret;
593}
594
595static void
596bnx2_disable_int(struct bnx2 *bp)
597{
Michael Chanb4b36042007-12-20 19:59:30 -0800598 int i;
599 struct bnx2_napi *bnapi;
600
601 for (i = 0; i < bp->irq_nvecs; i++) {
602 bnapi = &bp->bnx2_napi[i];
Michael Chane503e062012-12-06 10:33:08 +0000603 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
Michael Chanb4b36042007-12-20 19:59:30 -0800604 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
605 }
Michael Chane503e062012-12-06 10:33:08 +0000606 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb6016b72005-05-26 13:03:09 -0700607}
608
609static void
610bnx2_enable_int(struct bnx2 *bp)
611{
Michael Chanb4b36042007-12-20 19:59:30 -0800612 int i;
613 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800614
Michael Chanb4b36042007-12-20 19:59:30 -0800615 for (i = 0; i < bp->irq_nvecs; i++) {
616 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800617
Michael Chane503e062012-12-06 10:33:08 +0000618 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
619 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
620 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
621 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700622
Michael Chane503e062012-12-06 10:33:08 +0000623 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
624 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
625 bnapi->last_status_idx);
Michael Chanb4b36042007-12-20 19:59:30 -0800626 }
Michael Chane503e062012-12-06 10:33:08 +0000627 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700628}
629
630static void
631bnx2_disable_int_sync(struct bnx2 *bp)
632{
Michael Chanb4b36042007-12-20 19:59:30 -0800633 int i;
634
Michael Chanb6016b72005-05-26 13:03:09 -0700635 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000636 if (!netif_running(bp->dev))
637 return;
638
Michael Chanb6016b72005-05-26 13:03:09 -0700639 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800640 for (i = 0; i < bp->irq_nvecs; i++)
641 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700642}
643
644static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800645bnx2_napi_disable(struct bnx2 *bp)
646{
Michael Chanb4b36042007-12-20 19:59:30 -0800647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800651}
652
653static void
654bnx2_napi_enable(struct bnx2 *bp)
655{
Michael Chanb4b36042007-12-20 19:59:30 -0800656 int i;
657
658 for (i = 0; i < bp->irq_nvecs; i++)
659 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800660}
661
662static void
Michael Chan212f9932010-04-27 11:28:10 +0000663bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700664{
Michael Chan212f9932010-04-27 11:28:10 +0000665 if (stop_cnic)
666 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700667 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800668 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700669 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700670 }
Michael Chanb7466562009-12-20 18:40:18 -0800671 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700672 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700673}
674
675static void
Michael Chan212f9932010-04-27 11:28:10 +0000676bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700677{
678 if (atomic_dec_and_test(&bp->intr_sem)) {
679 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700680 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700681 spin_lock_bh(&bp->phy_lock);
682 if (bp->link_up)
683 netif_carrier_on(bp->dev);
684 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800685 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700686 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000687 if (start_cnic)
688 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700689 }
690 }
691}
692
693static void
Michael Chan35e90102008-06-19 16:37:42 -0700694bnx2_free_tx_mem(struct bnx2 *bp)
695{
696 int i;
697
698 for (i = 0; i < bp->num_tx_rings; i++) {
699 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
700 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
701
702 if (txr->tx_desc_ring) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000703 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
704 txr->tx_desc_ring,
705 txr->tx_desc_mapping);
Michael Chan35e90102008-06-19 16:37:42 -0700706 txr->tx_desc_ring = NULL;
707 }
708 kfree(txr->tx_buf_ring);
709 txr->tx_buf_ring = NULL;
710 }
711}
712
Michael Chanbb4f98a2008-06-19 16:38:19 -0700713static void
714bnx2_free_rx_mem(struct bnx2 *bp)
715{
716 int i;
717
718 for (i = 0; i < bp->num_rx_rings; i++) {
719 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
720 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
721 int j;
722
723 for (j = 0; j < bp->rx_max_ring; j++) {
724 if (rxr->rx_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000725 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
726 rxr->rx_desc_ring[j],
727 rxr->rx_desc_mapping[j]);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700728 rxr->rx_desc_ring[j] = NULL;
729 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000730 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700731 rxr->rx_buf_ring = NULL;
732
733 for (j = 0; j < bp->rx_max_pg_ring; j++) {
734 if (rxr->rx_pg_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000735 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
736 rxr->rx_pg_desc_ring[j],
737 rxr->rx_pg_desc_mapping[j]);
Michael Chan3298a732008-12-17 19:06:08 -0800738 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700739 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000740 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700741 rxr->rx_pg_ring = NULL;
742 }
743}
744
Michael Chan35e90102008-06-19 16:37:42 -0700745static int
746bnx2_alloc_tx_mem(struct bnx2 *bp)
747{
748 int i;
749
750 for (i = 0; i < bp->num_tx_rings; i++) {
751 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
752 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
753
754 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
755 if (txr->tx_buf_ring == NULL)
756 return -ENOMEM;
757
758 txr->tx_desc_ring =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000759 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
760 &txr->tx_desc_mapping, GFP_KERNEL);
Michael Chan35e90102008-06-19 16:37:42 -0700761 if (txr->tx_desc_ring == NULL)
762 return -ENOMEM;
763 }
764 return 0;
765}
766
Michael Chanbb4f98a2008-06-19 16:38:19 -0700767static int
768bnx2_alloc_rx_mem(struct bnx2 *bp)
769{
770 int i;
771
772 for (i = 0; i < bp->num_rx_rings; i++) {
773 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
774 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
775 int j;
776
777 rxr->rx_buf_ring =
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000778 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700779 if (rxr->rx_buf_ring == NULL)
780 return -ENOMEM;
781
Michael Chanbb4f98a2008-06-19 16:38:19 -0700782 for (j = 0; j < bp->rx_max_ring; j++) {
783 rxr->rx_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000784 dma_alloc_coherent(&bp->pdev->dev,
785 RXBD_RING_SIZE,
786 &rxr->rx_desc_mapping[j],
787 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700788 if (rxr->rx_desc_ring[j] == NULL)
789 return -ENOMEM;
790
791 }
792
793 if (bp->rx_pg_ring_size) {
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000794 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
Michael Chanbb4f98a2008-06-19 16:38:19 -0700795 bp->rx_max_pg_ring);
796 if (rxr->rx_pg_ring == NULL)
797 return -ENOMEM;
798
Michael Chanbb4f98a2008-06-19 16:38:19 -0700799 }
800
801 for (j = 0; j < bp->rx_max_pg_ring; j++) {
802 rxr->rx_pg_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000803 dma_alloc_coherent(&bp->pdev->dev,
804 RXBD_RING_SIZE,
805 &rxr->rx_pg_desc_mapping[j],
806 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700807 if (rxr->rx_pg_desc_ring[j] == NULL)
808 return -ENOMEM;
809
810 }
811 }
812 return 0;
813}
814
Michael Chan35e90102008-06-19 16:37:42 -0700815static void
Michael Chanb6016b72005-05-26 13:03:09 -0700816bnx2_free_mem(struct bnx2 *bp)
817{
Michael Chan13daffa2006-03-20 17:49:20 -0800818 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700819 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800820
Michael Chan35e90102008-06-19 16:37:42 -0700821 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700822 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700823
Michael Chan59b47d82006-11-19 14:10:45 -0800824 for (i = 0; i < bp->ctx_pages; i++) {
825 if (bp->ctx_blk[i]) {
Michael Chan2bc40782012-12-06 10:33:09 +0000826 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000827 bp->ctx_blk[i],
828 bp->ctx_blk_mapping[i]);
Michael Chan59b47d82006-11-19 14:10:45 -0800829 bp->ctx_blk[i] = NULL;
830 }
831 }
Michael Chan43e80b82008-06-19 16:41:08 -0700832 if (bnapi->status_blk.msi) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000833 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
834 bnapi->status_blk.msi,
835 bp->status_blk_mapping);
Michael Chan43e80b82008-06-19 16:41:08 -0700836 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800837 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700838 }
Michael Chanb6016b72005-05-26 13:03:09 -0700839}
840
841static int
842bnx2_alloc_mem(struct bnx2 *bp)
843{
Michael Chan35e90102008-06-19 16:37:42 -0700844 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700845 struct bnx2_napi *bnapi;
846 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700847
Michael Chan0f31f992006-03-23 01:12:38 -0800848 /* Combine status and statistics blocks into one allocation. */
849 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800850 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800851 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
852 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800853 bp->status_stats_size = status_blk_size +
854 sizeof(struct statistics_block);
855
Joe Perchesede23fa2013-08-26 22:45:23 -0700856 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
857 &bp->status_blk_mapping, GFP_KERNEL);
Michael Chan43e80b82008-06-19 16:41:08 -0700858 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700859 goto alloc_mem_err;
860
Michael Chan43e80b82008-06-19 16:41:08 -0700861 bnapi = &bp->bnx2_napi[0];
862 bnapi->status_blk.msi = status_blk;
863 bnapi->hw_tx_cons_ptr =
864 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
865 bnapi->hw_rx_cons_ptr =
866 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800867 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chan379b39a2010-07-19 14:15:03 +0000868 for (i = 1; i < bp->irq_nvecs; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700869 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800870
Michael Chan43e80b82008-06-19 16:41:08 -0700871 bnapi = &bp->bnx2_napi[i];
872
Joe Perches64699332012-06-04 12:44:16 +0000873 sblk = (status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
Michael Chan43e80b82008-06-19 16:41:08 -0700874 bnapi->status_blk.msix = sblk;
875 bnapi->hw_tx_cons_ptr =
876 &sblk->status_tx_quick_consumer_index;
877 bnapi->hw_rx_cons_ptr =
878 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800879 bnapi->int_num = i << 24;
880 }
881 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800882
Michael Chan43e80b82008-06-19 16:41:08 -0700883 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700884
Michael Chan0f31f992006-03-23 01:12:38 -0800885 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700886
Michael Chan4ce45e02012-12-06 10:33:10 +0000887 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan2bc40782012-12-06 10:33:09 +0000888 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
Michael Chan59b47d82006-11-19 14:10:45 -0800889 if (bp->ctx_pages == 0)
890 bp->ctx_pages = 1;
891 for (i = 0; i < bp->ctx_pages; i++) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000892 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
Michael Chan2bc40782012-12-06 10:33:09 +0000893 BNX2_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000894 &bp->ctx_blk_mapping[i],
895 GFP_KERNEL);
Michael Chan59b47d82006-11-19 14:10:45 -0800896 if (bp->ctx_blk[i] == NULL)
897 goto alloc_mem_err;
898 }
899 }
Michael Chan35e90102008-06-19 16:37:42 -0700900
Michael Chanbb4f98a2008-06-19 16:38:19 -0700901 err = bnx2_alloc_rx_mem(bp);
902 if (err)
903 goto alloc_mem_err;
904
Michael Chan35e90102008-06-19 16:37:42 -0700905 err = bnx2_alloc_tx_mem(bp);
906 if (err)
907 goto alloc_mem_err;
908
Michael Chanb6016b72005-05-26 13:03:09 -0700909 return 0;
910
911alloc_mem_err:
912 bnx2_free_mem(bp);
913 return -ENOMEM;
914}
915
916static void
Michael Chane3648b32005-11-04 08:51:21 -0800917bnx2_report_fw_link(struct bnx2 *bp)
918{
919 u32 fw_link_status = 0;
920
Michael Chan583c28e2008-01-21 19:51:35 -0800921 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700922 return;
923
Michael Chane3648b32005-11-04 08:51:21 -0800924 if (bp->link_up) {
925 u32 bmsr;
926
927 switch (bp->line_speed) {
928 case SPEED_10:
929 if (bp->duplex == DUPLEX_HALF)
930 fw_link_status = BNX2_LINK_STATUS_10HALF;
931 else
932 fw_link_status = BNX2_LINK_STATUS_10FULL;
933 break;
934 case SPEED_100:
935 if (bp->duplex == DUPLEX_HALF)
936 fw_link_status = BNX2_LINK_STATUS_100HALF;
937 else
938 fw_link_status = BNX2_LINK_STATUS_100FULL;
939 break;
940 case SPEED_1000:
941 if (bp->duplex == DUPLEX_HALF)
942 fw_link_status = BNX2_LINK_STATUS_1000HALF;
943 else
944 fw_link_status = BNX2_LINK_STATUS_1000FULL;
945 break;
946 case SPEED_2500:
947 if (bp->duplex == DUPLEX_HALF)
948 fw_link_status = BNX2_LINK_STATUS_2500HALF;
949 else
950 fw_link_status = BNX2_LINK_STATUS_2500FULL;
951 break;
952 }
953
954 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
955
956 if (bp->autoneg) {
957 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
958
Michael Chanca58c3a2007-05-03 13:22:52 -0700959 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
960 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800961
962 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800963 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800964 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
965 else
966 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
967 }
968 }
969 else
970 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
971
Michael Chan2726d6e2008-01-29 21:35:05 -0800972 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800973}
974
Michael Chan9b1084b2007-07-07 22:50:37 -0700975static char *
976bnx2_xceiver_str(struct bnx2 *bp)
977{
Eric Dumazet807540b2010-09-23 05:40:09 +0000978 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800979 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Eric Dumazet807540b2010-09-23 05:40:09 +0000980 "Copper");
Michael Chan9b1084b2007-07-07 22:50:37 -0700981}
982
Michael Chane3648b32005-11-04 08:51:21 -0800983static void
Michael Chanb6016b72005-05-26 13:03:09 -0700984bnx2_report_link(struct bnx2 *bp)
985{
986 if (bp->link_up) {
987 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000988 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
989 bnx2_xceiver_str(bp),
990 bp->line_speed,
991 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700992
993 if (bp->flow_ctrl) {
994 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000995 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700996 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000997 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700998 }
999 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +00001000 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -07001001 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001002 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -07001003 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001004 pr_cont("\n");
1005 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001006 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001007 netdev_err(bp->dev, "NIC %s Link is Down\n",
1008 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001009 }
Michael Chane3648b32005-11-04 08:51:21 -08001010
1011 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001012}
1013
1014static void
1015bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1016{
1017 u32 local_adv, remote_adv;
1018
1019 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001020 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001021 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1022
1023 if (bp->duplex == DUPLEX_FULL) {
1024 bp->flow_ctrl = bp->req_flow_ctrl;
1025 }
1026 return;
1027 }
1028
1029 if (bp->duplex != DUPLEX_FULL) {
1030 return;
1031 }
1032
Michael Chan583c28e2008-01-21 19:51:35 -08001033 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001034 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001035 u32 val;
1036
1037 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1038 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1039 bp->flow_ctrl |= FLOW_CTRL_TX;
1040 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1041 bp->flow_ctrl |= FLOW_CTRL_RX;
1042 return;
1043 }
1044
Michael Chanca58c3a2007-05-03 13:22:52 -07001045 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1046 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001047
Michael Chan583c28e2008-01-21 19:51:35 -08001048 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001049 u32 new_local_adv = 0;
1050 u32 new_remote_adv = 0;
1051
1052 if (local_adv & ADVERTISE_1000XPAUSE)
1053 new_local_adv |= ADVERTISE_PAUSE_CAP;
1054 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1055 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1056 if (remote_adv & ADVERTISE_1000XPAUSE)
1057 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1058 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1059 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1060
1061 local_adv = new_local_adv;
1062 remote_adv = new_remote_adv;
1063 }
1064
1065 /* See Table 28B-3 of 802.3ab-1999 spec. */
1066 if (local_adv & ADVERTISE_PAUSE_CAP) {
1067 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1068 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1069 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1070 }
1071 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1072 bp->flow_ctrl = FLOW_CTRL_RX;
1073 }
1074 }
1075 else {
1076 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1077 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1078 }
1079 }
1080 }
1081 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1082 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1083 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1084
1085 bp->flow_ctrl = FLOW_CTRL_TX;
1086 }
1087 }
1088}
1089
1090static int
Michael Chan27a005b2007-05-03 13:23:41 -07001091bnx2_5709s_linkup(struct bnx2 *bp)
1092{
1093 u32 val, speed;
1094
1095 bp->link_up = 1;
1096
1097 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1098 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1099 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1100
1101 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1102 bp->line_speed = bp->req_line_speed;
1103 bp->duplex = bp->req_duplex;
1104 return 0;
1105 }
1106 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1107 switch (speed) {
1108 case MII_BNX2_GP_TOP_AN_SPEED_10:
1109 bp->line_speed = SPEED_10;
1110 break;
1111 case MII_BNX2_GP_TOP_AN_SPEED_100:
1112 bp->line_speed = SPEED_100;
1113 break;
1114 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1115 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1116 bp->line_speed = SPEED_1000;
1117 break;
1118 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1119 bp->line_speed = SPEED_2500;
1120 break;
1121 }
1122 if (val & MII_BNX2_GP_TOP_AN_FD)
1123 bp->duplex = DUPLEX_FULL;
1124 else
1125 bp->duplex = DUPLEX_HALF;
1126 return 0;
1127}
1128
1129static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001130bnx2_5708s_linkup(struct bnx2 *bp)
1131{
1132 u32 val;
1133
1134 bp->link_up = 1;
1135 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1136 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1137 case BCM5708S_1000X_STAT1_SPEED_10:
1138 bp->line_speed = SPEED_10;
1139 break;
1140 case BCM5708S_1000X_STAT1_SPEED_100:
1141 bp->line_speed = SPEED_100;
1142 break;
1143 case BCM5708S_1000X_STAT1_SPEED_1G:
1144 bp->line_speed = SPEED_1000;
1145 break;
1146 case BCM5708S_1000X_STAT1_SPEED_2G5:
1147 bp->line_speed = SPEED_2500;
1148 break;
1149 }
1150 if (val & BCM5708S_1000X_STAT1_FD)
1151 bp->duplex = DUPLEX_FULL;
1152 else
1153 bp->duplex = DUPLEX_HALF;
1154
1155 return 0;
1156}
1157
1158static int
1159bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001160{
1161 u32 bmcr, local_adv, remote_adv, common;
1162
1163 bp->link_up = 1;
1164 bp->line_speed = SPEED_1000;
1165
Michael Chanca58c3a2007-05-03 13:22:52 -07001166 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001167 if (bmcr & BMCR_FULLDPLX) {
1168 bp->duplex = DUPLEX_FULL;
1169 }
1170 else {
1171 bp->duplex = DUPLEX_HALF;
1172 }
1173
1174 if (!(bmcr & BMCR_ANENABLE)) {
1175 return 0;
1176 }
1177
Michael Chanca58c3a2007-05-03 13:22:52 -07001178 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1179 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001180
1181 common = local_adv & remote_adv;
1182 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1183
1184 if (common & ADVERTISE_1000XFULL) {
1185 bp->duplex = DUPLEX_FULL;
1186 }
1187 else {
1188 bp->duplex = DUPLEX_HALF;
1189 }
1190 }
1191
1192 return 0;
1193}
1194
1195static int
1196bnx2_copper_linkup(struct bnx2 *bp)
1197{
1198 u32 bmcr;
1199
Michael Chan4016bad2013-12-31 23:22:34 -08001200 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
1201
Michael Chanca58c3a2007-05-03 13:22:52 -07001202 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001203 if (bmcr & BMCR_ANENABLE) {
1204 u32 local_adv, remote_adv, common;
1205
1206 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1207 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1208
1209 common = local_adv & (remote_adv >> 2);
1210 if (common & ADVERTISE_1000FULL) {
1211 bp->line_speed = SPEED_1000;
1212 bp->duplex = DUPLEX_FULL;
1213 }
1214 else if (common & ADVERTISE_1000HALF) {
1215 bp->line_speed = SPEED_1000;
1216 bp->duplex = DUPLEX_HALF;
1217 }
1218 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001219 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1220 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001221
1222 common = local_adv & remote_adv;
1223 if (common & ADVERTISE_100FULL) {
1224 bp->line_speed = SPEED_100;
1225 bp->duplex = DUPLEX_FULL;
1226 }
1227 else if (common & ADVERTISE_100HALF) {
1228 bp->line_speed = SPEED_100;
1229 bp->duplex = DUPLEX_HALF;
1230 }
1231 else if (common & ADVERTISE_10FULL) {
1232 bp->line_speed = SPEED_10;
1233 bp->duplex = DUPLEX_FULL;
1234 }
1235 else if (common & ADVERTISE_10HALF) {
1236 bp->line_speed = SPEED_10;
1237 bp->duplex = DUPLEX_HALF;
1238 }
1239 else {
1240 bp->line_speed = 0;
1241 bp->link_up = 0;
1242 }
1243 }
1244 }
1245 else {
1246 if (bmcr & BMCR_SPEED100) {
1247 bp->line_speed = SPEED_100;
1248 }
1249 else {
1250 bp->line_speed = SPEED_10;
1251 }
1252 if (bmcr & BMCR_FULLDPLX) {
1253 bp->duplex = DUPLEX_FULL;
1254 }
1255 else {
1256 bp->duplex = DUPLEX_HALF;
1257 }
1258 }
1259
Michael Chan4016bad2013-12-31 23:22:34 -08001260 if (bp->link_up) {
1261 u32 ext_status;
1262
1263 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
1264 if (ext_status & EXT_STATUS_MDIX)
1265 bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
1266 }
1267
Michael Chanb6016b72005-05-26 13:03:09 -07001268 return 0;
1269}
1270
Michael Chan83e3fc82008-01-29 21:37:17 -08001271static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001272bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001273{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001274 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001275
1276 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1277 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1278 val |= 0x02 << 8;
1279
Michael Chan22fa1592010-10-11 16:12:00 -07001280 if (bp->flow_ctrl & FLOW_CTRL_TX)
1281 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
Michael Chan83e3fc82008-01-29 21:37:17 -08001282
Michael Chan83e3fc82008-01-29 21:37:17 -08001283 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1284}
1285
Michael Chanbb4f98a2008-06-19 16:38:19 -07001286static void
1287bnx2_init_all_rx_contexts(struct bnx2 *bp)
1288{
1289 int i;
1290 u32 cid;
1291
1292 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1293 if (i == 1)
1294 cid = RX_RSS_CID;
1295 bnx2_init_rx_context(bp, cid);
1296 }
1297}
1298
Benjamin Li344478d2008-09-18 16:38:24 -07001299static void
Michael Chanb6016b72005-05-26 13:03:09 -07001300bnx2_set_mac_link(struct bnx2 *bp)
1301{
1302 u32 val;
1303
Michael Chane503e062012-12-06 10:33:08 +00001304 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
Michael Chanb6016b72005-05-26 13:03:09 -07001305 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1306 (bp->duplex == DUPLEX_HALF)) {
Michael Chane503e062012-12-06 10:33:08 +00001307 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
Michael Chanb6016b72005-05-26 13:03:09 -07001308 }
1309
1310 /* Configure the EMAC mode register. */
Michael Chane503e062012-12-06 10:33:08 +00001311 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001312
1313 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001314 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001315 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001316
1317 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001318 switch (bp->line_speed) {
1319 case SPEED_10:
Michael Chan4ce45e02012-12-06 10:33:10 +00001320 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
Michael Chan59b47d82006-11-19 14:10:45 -08001321 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001322 break;
1323 }
1324 /* fall through */
1325 case SPEED_100:
1326 val |= BNX2_EMAC_MODE_PORT_MII;
1327 break;
1328 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001329 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001330 /* fall through */
1331 case SPEED_1000:
1332 val |= BNX2_EMAC_MODE_PORT_GMII;
1333 break;
1334 }
Michael Chanb6016b72005-05-26 13:03:09 -07001335 }
1336 else {
1337 val |= BNX2_EMAC_MODE_PORT_GMII;
1338 }
1339
1340 /* Set the MAC to operate in the appropriate duplex mode. */
1341 if (bp->duplex == DUPLEX_HALF)
1342 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
Michael Chane503e062012-12-06 10:33:08 +00001343 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001344
1345 /* Enable/disable rx PAUSE. */
1346 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1347
1348 if (bp->flow_ctrl & FLOW_CTRL_RX)
1349 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001350 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07001351
1352 /* Enable/disable tx PAUSE. */
Michael Chane503e062012-12-06 10:33:08 +00001353 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001354 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1355
1356 if (bp->flow_ctrl & FLOW_CTRL_TX)
1357 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001358 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001359
1360 /* Acknowledge the interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00001361 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
Michael Chanb6016b72005-05-26 13:03:09 -07001362
Michael Chan22fa1592010-10-11 16:12:00 -07001363 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001364}
1365
Michael Chan27a005b2007-05-03 13:23:41 -07001366static void
1367bnx2_enable_bmsr1(struct bnx2 *bp)
1368{
Michael Chan583c28e2008-01-21 19:51:35 -08001369 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001370 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001371 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1372 MII_BNX2_BLK_ADDR_GP_STATUS);
1373}
1374
1375static void
1376bnx2_disable_bmsr1(struct bnx2 *bp)
1377{
Michael Chan583c28e2008-01-21 19:51:35 -08001378 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001379 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001380 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1381 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1382}
1383
Michael Chanb6016b72005-05-26 13:03:09 -07001384static int
Michael Chan605a9e22007-05-03 13:23:13 -07001385bnx2_test_and_enable_2g5(struct bnx2 *bp)
1386{
1387 u32 up1;
1388 int ret = 1;
1389
Michael Chan583c28e2008-01-21 19:51:35 -08001390 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001391 return 0;
1392
1393 if (bp->autoneg & AUTONEG_SPEED)
1394 bp->advertising |= ADVERTISED_2500baseX_Full;
1395
Michael Chan4ce45e02012-12-06 10:33:10 +00001396 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001397 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1398
Michael Chan605a9e22007-05-03 13:23:13 -07001399 bnx2_read_phy(bp, bp->mii_up1, &up1);
1400 if (!(up1 & BCM5708S_UP1_2G5)) {
1401 up1 |= BCM5708S_UP1_2G5;
1402 bnx2_write_phy(bp, bp->mii_up1, up1);
1403 ret = 0;
1404 }
1405
Michael Chan4ce45e02012-12-06 10:33:10 +00001406 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001407 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1408 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1409
Michael Chan605a9e22007-05-03 13:23:13 -07001410 return ret;
1411}
1412
1413static int
1414bnx2_test_and_disable_2g5(struct bnx2 *bp)
1415{
1416 u32 up1;
1417 int ret = 0;
1418
Michael Chan583c28e2008-01-21 19:51:35 -08001419 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001420 return 0;
1421
Michael Chan4ce45e02012-12-06 10:33:10 +00001422 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001423 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1424
Michael Chan605a9e22007-05-03 13:23:13 -07001425 bnx2_read_phy(bp, bp->mii_up1, &up1);
1426 if (up1 & BCM5708S_UP1_2G5) {
1427 up1 &= ~BCM5708S_UP1_2G5;
1428 bnx2_write_phy(bp, bp->mii_up1, up1);
1429 ret = 1;
1430 }
1431
Michael Chan4ce45e02012-12-06 10:33:10 +00001432 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001433 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1434 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1435
Michael Chan605a9e22007-05-03 13:23:13 -07001436 return ret;
1437}
1438
1439static void
1440bnx2_enable_forced_2g5(struct bnx2 *bp)
1441{
Michael Chancbd68902010-06-08 07:21:30 +00001442 u32 uninitialized_var(bmcr);
1443 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001444
Michael Chan583c28e2008-01-21 19:51:35 -08001445 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001446 return;
1447
Michael Chan4ce45e02012-12-06 10:33:10 +00001448 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001449 u32 val;
1450
1451 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1452 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001453 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1454 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1455 val |= MII_BNX2_SD_MISC1_FORCE |
1456 MII_BNX2_SD_MISC1_FORCE_2_5G;
1457 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1458 }
Michael Chan27a005b2007-05-03 13:23:41 -07001459
1460 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1461 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001462 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001463
Michael Chan4ce45e02012-12-06 10:33:10 +00001464 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001465 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1466 if (!err)
1467 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001468 } else {
1469 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001470 }
1471
Michael Chancbd68902010-06-08 07:21:30 +00001472 if (err)
1473 return;
1474
Michael Chan605a9e22007-05-03 13:23:13 -07001475 if (bp->autoneg & AUTONEG_SPEED) {
1476 bmcr &= ~BMCR_ANENABLE;
1477 if (bp->req_duplex == DUPLEX_FULL)
1478 bmcr |= BMCR_FULLDPLX;
1479 }
1480 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1481}
1482
1483static void
1484bnx2_disable_forced_2g5(struct bnx2 *bp)
1485{
Michael Chancbd68902010-06-08 07:21:30 +00001486 u32 uninitialized_var(bmcr);
1487 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001488
Michael Chan583c28e2008-01-21 19:51:35 -08001489 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001490 return;
1491
Michael Chan4ce45e02012-12-06 10:33:10 +00001492 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001493 u32 val;
1494
1495 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1496 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001497 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1498 val &= ~MII_BNX2_SD_MISC1_FORCE;
1499 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1500 }
Michael Chan27a005b2007-05-03 13:23:41 -07001501
1502 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1503 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001504 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001505
Michael Chan4ce45e02012-12-06 10:33:10 +00001506 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001507 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1508 if (!err)
1509 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001510 } else {
1511 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001512 }
1513
Michael Chancbd68902010-06-08 07:21:30 +00001514 if (err)
1515 return;
1516
Michael Chan605a9e22007-05-03 13:23:13 -07001517 if (bp->autoneg & AUTONEG_SPEED)
1518 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1519 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1520}
1521
Michael Chanb2fadea2008-01-21 17:07:06 -08001522static void
1523bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1524{
1525 u32 val;
1526
1527 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1528 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1529 if (start)
1530 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1531 else
1532 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1533}
1534
Michael Chan605a9e22007-05-03 13:23:13 -07001535static int
Michael Chanb6016b72005-05-26 13:03:09 -07001536bnx2_set_link(struct bnx2 *bp)
1537{
1538 u32 bmsr;
1539 u8 link_up;
1540
Michael Chan80be4432006-11-19 14:07:28 -08001541 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001542 bp->link_up = 1;
1543 return 0;
1544 }
1545
Michael Chan583c28e2008-01-21 19:51:35 -08001546 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001547 return 0;
1548
Michael Chanb6016b72005-05-26 13:03:09 -07001549 link_up = bp->link_up;
1550
Michael Chan27a005b2007-05-03 13:23:41 -07001551 bnx2_enable_bmsr1(bp);
1552 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1553 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1554 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001555
Michael Chan583c28e2008-01-21 19:51:35 -08001556 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001557 (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001558 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001559
Michael Chan583c28e2008-01-21 19:51:35 -08001560 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001561 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001562 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001563 }
Michael Chane503e062012-12-06 10:33:08 +00001564 val = BNX2_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001565
1566 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1567 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1568 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1569
1570 if ((val & BNX2_EMAC_STATUS_LINK) &&
1571 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001572 bmsr |= BMSR_LSTATUS;
1573 else
1574 bmsr &= ~BMSR_LSTATUS;
1575 }
1576
1577 if (bmsr & BMSR_LSTATUS) {
1578 bp->link_up = 1;
1579
Michael Chan583c28e2008-01-21 19:51:35 -08001580 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00001581 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001582 bnx2_5706s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001583 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001584 bnx2_5708s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001585 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001586 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001587 }
1588 else {
1589 bnx2_copper_linkup(bp);
1590 }
1591 bnx2_resolve_flow_ctrl(bp);
1592 }
1593 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001594 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001595 (bp->autoneg & AUTONEG_SPEED))
1596 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001597
Michael Chan583c28e2008-01-21 19:51:35 -08001598 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001599 u32 bmcr;
1600
1601 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1602 bmcr |= BMCR_ANENABLE;
1603 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1604
Michael Chan583c28e2008-01-21 19:51:35 -08001605 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001606 }
Michael Chanb6016b72005-05-26 13:03:09 -07001607 bp->link_up = 0;
1608 }
1609
1610 if (bp->link_up != link_up) {
1611 bnx2_report_link(bp);
1612 }
1613
1614 bnx2_set_mac_link(bp);
1615
1616 return 0;
1617}
1618
1619static int
1620bnx2_reset_phy(struct bnx2 *bp)
1621{
1622 int i;
1623 u32 reg;
1624
Michael Chanca58c3a2007-05-03 13:22:52 -07001625 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001626
1627#define PHY_RESET_MAX_WAIT 100
1628 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1629 udelay(10);
1630
Michael Chanca58c3a2007-05-03 13:22:52 -07001631 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001632 if (!(reg & BMCR_RESET)) {
1633 udelay(20);
1634 break;
1635 }
1636 }
1637 if (i == PHY_RESET_MAX_WAIT) {
1638 return -EBUSY;
1639 }
1640 return 0;
1641}
1642
1643static u32
1644bnx2_phy_get_pause_adv(struct bnx2 *bp)
1645{
1646 u32 adv = 0;
1647
1648 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1649 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1650
Michael Chan583c28e2008-01-21 19:51:35 -08001651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001652 adv = ADVERTISE_1000XPAUSE;
1653 }
1654 else {
1655 adv = ADVERTISE_PAUSE_CAP;
1656 }
1657 }
1658 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001659 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001660 adv = ADVERTISE_1000XPSE_ASYM;
1661 }
1662 else {
1663 adv = ADVERTISE_PAUSE_ASYM;
1664 }
1665 }
1666 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001667 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001668 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1669 }
1670 else {
1671 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1672 }
1673 }
1674 return adv;
1675}
1676
Michael Chana2f13892008-07-14 22:38:23 -07001677static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001678
Michael Chanb6016b72005-05-26 13:03:09 -07001679static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001680bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001681__releases(&bp->phy_lock)
1682__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001683{
1684 u32 speed_arg = 0, pause_adv;
1685
1686 pause_adv = bnx2_phy_get_pause_adv(bp);
1687
1688 if (bp->autoneg & AUTONEG_SPEED) {
1689 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1690 if (bp->advertising & ADVERTISED_10baseT_Half)
1691 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1692 if (bp->advertising & ADVERTISED_10baseT_Full)
1693 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1694 if (bp->advertising & ADVERTISED_100baseT_Half)
1695 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1696 if (bp->advertising & ADVERTISED_100baseT_Full)
1697 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1698 if (bp->advertising & ADVERTISED_1000baseT_Full)
1699 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1700 if (bp->advertising & ADVERTISED_2500baseX_Full)
1701 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1702 } else {
1703 if (bp->req_line_speed == SPEED_2500)
1704 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1705 else if (bp->req_line_speed == SPEED_1000)
1706 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1707 else if (bp->req_line_speed == SPEED_100) {
1708 if (bp->req_duplex == DUPLEX_FULL)
1709 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1710 else
1711 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1712 } else if (bp->req_line_speed == SPEED_10) {
1713 if (bp->req_duplex == DUPLEX_FULL)
1714 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1715 else
1716 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1717 }
1718 }
1719
1720 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1721 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001722 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001723 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1724
1725 if (port == PORT_TP)
1726 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1727 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1728
Michael Chan2726d6e2008-01-29 21:35:05 -08001729 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001730
1731 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001732 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001733 spin_lock_bh(&bp->phy_lock);
1734
1735 return 0;
1736}
1737
1738static int
1739bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001740__releases(&bp->phy_lock)
1741__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001742{
Michael Chan605a9e22007-05-03 13:23:13 -07001743 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001744 u32 new_adv = 0;
1745
Michael Chan583c28e2008-01-21 19:51:35 -08001746 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Eric Dumazet807540b2010-09-23 05:40:09 +00001747 return bnx2_setup_remote_phy(bp, port);
Michael Chan0d8a6572007-07-07 22:49:43 -07001748
Michael Chanb6016b72005-05-26 13:03:09 -07001749 if (!(bp->autoneg & AUTONEG_SPEED)) {
1750 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001751 int force_link_down = 0;
1752
Michael Chan605a9e22007-05-03 13:23:13 -07001753 if (bp->req_line_speed == SPEED_2500) {
1754 if (!bnx2_test_and_enable_2g5(bp))
1755 force_link_down = 1;
1756 } else if (bp->req_line_speed == SPEED_1000) {
1757 if (bnx2_test_and_disable_2g5(bp))
1758 force_link_down = 1;
1759 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001760 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001761 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1762
Michael Chanca58c3a2007-05-03 13:22:52 -07001763 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001764 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001765 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001766
Michael Chan4ce45e02012-12-06 10:33:10 +00001767 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001768 if (bp->req_line_speed == SPEED_2500)
1769 bnx2_enable_forced_2g5(bp);
1770 else if (bp->req_line_speed == SPEED_1000) {
1771 bnx2_disable_forced_2g5(bp);
1772 new_bmcr &= ~0x2000;
1773 }
1774
Michael Chan4ce45e02012-12-06 10:33:10 +00001775 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001776 if (bp->req_line_speed == SPEED_2500)
1777 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1778 else
1779 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001780 }
1781
Michael Chanb6016b72005-05-26 13:03:09 -07001782 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001783 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001784 new_bmcr |= BMCR_FULLDPLX;
1785 }
1786 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001787 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001788 new_bmcr &= ~BMCR_FULLDPLX;
1789 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001790 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001791 /* Force a link down visible on the other side */
1792 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001793 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001794 ~(ADVERTISE_1000XFULL |
1795 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001796 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001797 BMCR_ANRESTART | BMCR_ANENABLE);
1798
1799 bp->link_up = 0;
1800 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001801 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001802 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001803 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001804 bnx2_write_phy(bp, bp->mii_adv, adv);
1805 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001806 } else {
1807 bnx2_resolve_flow_ctrl(bp);
1808 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001809 }
1810 return 0;
1811 }
1812
Michael Chan605a9e22007-05-03 13:23:13 -07001813 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001814
Michael Chanb6016b72005-05-26 13:03:09 -07001815 if (bp->advertising & ADVERTISED_1000baseT_Full)
1816 new_adv |= ADVERTISE_1000XFULL;
1817
1818 new_adv |= bnx2_phy_get_pause_adv(bp);
1819
Michael Chanca58c3a2007-05-03 13:22:52 -07001820 bnx2_read_phy(bp, bp->mii_adv, &adv);
1821 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001822
1823 bp->serdes_an_pending = 0;
1824 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1825 /* Force a link down visible on the other side */
1826 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001827 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001828 spin_unlock_bh(&bp->phy_lock);
1829 msleep(20);
1830 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001831 }
1832
Michael Chanca58c3a2007-05-03 13:22:52 -07001833 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1834 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001835 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001836 /* Speed up link-up time when the link partner
1837 * does not autonegotiate which is very common
1838 * in blade servers. Some blade servers use
1839 * IPMI for kerboard input and it's important
1840 * to minimize link disruptions. Autoneg. involves
1841 * exchanging base pages plus 3 next pages and
1842 * normally completes in about 120 msec.
1843 */
Michael Chan40105c02008-11-12 16:02:45 -08001844 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001845 bp->serdes_an_pending = 1;
1846 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001847 } else {
1848 bnx2_resolve_flow_ctrl(bp);
1849 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001850 }
1851
1852 return 0;
1853}
1854
1855#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001856 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001857 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1858 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001859
1860#define ETHTOOL_ALL_COPPER_SPEED \
1861 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1862 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1863 ADVERTISED_1000baseT_Full)
1864
1865#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1866 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001867
Michael Chanb6016b72005-05-26 13:03:09 -07001868#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1869
Michael Chandeaf3912007-07-07 22:48:00 -07001870static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001871bnx2_set_default_remote_link(struct bnx2 *bp)
1872{
1873 u32 link;
1874
1875 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001876 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001877 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001878 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001879
1880 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1881 bp->req_line_speed = 0;
1882 bp->autoneg |= AUTONEG_SPEED;
1883 bp->advertising = ADVERTISED_Autoneg;
1884 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1885 bp->advertising |= ADVERTISED_10baseT_Half;
1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1887 bp->advertising |= ADVERTISED_10baseT_Full;
1888 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1889 bp->advertising |= ADVERTISED_100baseT_Half;
1890 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1891 bp->advertising |= ADVERTISED_100baseT_Full;
1892 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1893 bp->advertising |= ADVERTISED_1000baseT_Full;
1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1895 bp->advertising |= ADVERTISED_2500baseX_Full;
1896 } else {
1897 bp->autoneg = 0;
1898 bp->advertising = 0;
1899 bp->req_duplex = DUPLEX_FULL;
1900 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1901 bp->req_line_speed = SPEED_10;
1902 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1903 bp->req_duplex = DUPLEX_HALF;
1904 }
1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1906 bp->req_line_speed = SPEED_100;
1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1908 bp->req_duplex = DUPLEX_HALF;
1909 }
1910 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1911 bp->req_line_speed = SPEED_1000;
1912 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1913 bp->req_line_speed = SPEED_2500;
1914 }
1915}
1916
1917static void
Michael Chandeaf3912007-07-07 22:48:00 -07001918bnx2_set_default_link(struct bnx2 *bp)
1919{
Harvey Harrisonab598592008-05-01 02:47:38 -07001920 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1921 bnx2_set_default_remote_link(bp);
1922 return;
1923 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001924
Michael Chandeaf3912007-07-07 22:48:00 -07001925 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1926 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001927 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001928 u32 reg;
1929
1930 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1931
Michael Chan2726d6e2008-01-29 21:35:05 -08001932 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001933 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1934 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1935 bp->autoneg = 0;
1936 bp->req_line_speed = bp->line_speed = SPEED_1000;
1937 bp->req_duplex = DUPLEX_FULL;
1938 }
1939 } else
1940 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1941}
1942
Michael Chan0d8a6572007-07-07 22:49:43 -07001943static void
Michael Chandf149d72007-07-07 22:51:36 -07001944bnx2_send_heart_beat(struct bnx2 *bp)
1945{
1946 u32 msg;
1947 u32 addr;
1948
1949 spin_lock(&bp->indirect_lock);
1950 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1951 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
Michael Chane503e062012-12-06 10:33:08 +00001952 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1953 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
Michael Chandf149d72007-07-07 22:51:36 -07001954 spin_unlock(&bp->indirect_lock);
1955}
1956
1957static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001958bnx2_remote_phy_event(struct bnx2 *bp)
1959{
1960 u32 msg;
1961 u8 link_up = bp->link_up;
1962 u8 old_port;
1963
Michael Chan2726d6e2008-01-29 21:35:05 -08001964 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001965
Michael Chandf149d72007-07-07 22:51:36 -07001966 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1967 bnx2_send_heart_beat(bp);
1968
1969 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1970
Michael Chan0d8a6572007-07-07 22:49:43 -07001971 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1972 bp->link_up = 0;
1973 else {
1974 u32 speed;
1975
1976 bp->link_up = 1;
1977 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1978 bp->duplex = DUPLEX_FULL;
1979 switch (speed) {
1980 case BNX2_LINK_STATUS_10HALF:
1981 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001982 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001983 case BNX2_LINK_STATUS_10FULL:
1984 bp->line_speed = SPEED_10;
1985 break;
1986 case BNX2_LINK_STATUS_100HALF:
1987 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001988 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001989 case BNX2_LINK_STATUS_100BASE_T4:
1990 case BNX2_LINK_STATUS_100FULL:
1991 bp->line_speed = SPEED_100;
1992 break;
1993 case BNX2_LINK_STATUS_1000HALF:
1994 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001995 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001996 case BNX2_LINK_STATUS_1000FULL:
1997 bp->line_speed = SPEED_1000;
1998 break;
1999 case BNX2_LINK_STATUS_2500HALF:
2000 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00002001 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07002002 case BNX2_LINK_STATUS_2500FULL:
2003 bp->line_speed = SPEED_2500;
2004 break;
2005 default:
2006 bp->line_speed = 0;
2007 break;
2008 }
2009
Michael Chan0d8a6572007-07-07 22:49:43 -07002010 bp->flow_ctrl = 0;
2011 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2012 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2013 if (bp->duplex == DUPLEX_FULL)
2014 bp->flow_ctrl = bp->req_flow_ctrl;
2015 } else {
2016 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2017 bp->flow_ctrl |= FLOW_CTRL_TX;
2018 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2019 bp->flow_ctrl |= FLOW_CTRL_RX;
2020 }
2021
2022 old_port = bp->phy_port;
2023 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2024 bp->phy_port = PORT_FIBRE;
2025 else
2026 bp->phy_port = PORT_TP;
2027
2028 if (old_port != bp->phy_port)
2029 bnx2_set_default_link(bp);
2030
Michael Chan0d8a6572007-07-07 22:49:43 -07002031 }
2032 if (bp->link_up != link_up)
2033 bnx2_report_link(bp);
2034
2035 bnx2_set_mac_link(bp);
2036}
2037
2038static int
2039bnx2_set_remote_link(struct bnx2 *bp)
2040{
2041 u32 evt_code;
2042
Michael Chan2726d6e2008-01-29 21:35:05 -08002043 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002044 switch (evt_code) {
2045 case BNX2_FW_EVT_CODE_LINK_EVENT:
2046 bnx2_remote_phy_event(bp);
2047 break;
2048 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2049 default:
Michael Chandf149d72007-07-07 22:51:36 -07002050 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002051 break;
2052 }
2053 return 0;
2054}
2055
Michael Chanb6016b72005-05-26 13:03:09 -07002056static int
2057bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002058__releases(&bp->phy_lock)
2059__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002060{
Michael Chand17e53b2013-12-31 23:22:32 -08002061 u32 bmcr, adv_reg, new_adv = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002062 u32 new_bmcr;
2063
Michael Chanca58c3a2007-05-03 13:22:52 -07002064 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002065
Michael Chand17e53b2013-12-31 23:22:32 -08002066 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2067 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2068 ADVERTISE_PAUSE_ASYM);
2069
2070 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
2071
Michael Chanb6016b72005-05-26 13:03:09 -07002072 if (bp->autoneg & AUTONEG_SPEED) {
Michael Chand17e53b2013-12-31 23:22:32 -08002073 u32 adv1000_reg;
Matt Carlson37f07022011-11-17 14:30:55 +00002074 u32 new_adv1000 = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002075
Michael Chand17e53b2013-12-31 23:22:32 -08002076 new_adv |= bnx2_phy_get_pause_adv(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002077
2078 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2079 adv1000_reg &= PHY_ALL_1000_SPEED;
2080
Matt Carlson37f07022011-11-17 14:30:55 +00002081 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
Matt Carlson37f07022011-11-17 14:30:55 +00002082 if ((adv1000_reg != new_adv1000) ||
2083 (adv_reg != new_adv) ||
Michael Chanb6016b72005-05-26 13:03:09 -07002084 ((bmcr & BMCR_ANENABLE) == 0)) {
2085
Matt Carlson37f07022011-11-17 14:30:55 +00002086 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2087 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
Michael Chanca58c3a2007-05-03 13:22:52 -07002088 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002089 BMCR_ANENABLE);
2090 }
2091 else if (bp->link_up) {
2092 /* Flow ctrl may have changed from auto to forced */
2093 /* or vice-versa. */
2094
2095 bnx2_resolve_flow_ctrl(bp);
2096 bnx2_set_mac_link(bp);
2097 }
2098 return 0;
2099 }
2100
Michael Chand17e53b2013-12-31 23:22:32 -08002101 /* advertise nothing when forcing speed */
2102 if (adv_reg != new_adv)
2103 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2104
Michael Chanb6016b72005-05-26 13:03:09 -07002105 new_bmcr = 0;
2106 if (bp->req_line_speed == SPEED_100) {
2107 new_bmcr |= BMCR_SPEED100;
2108 }
2109 if (bp->req_duplex == DUPLEX_FULL) {
2110 new_bmcr |= BMCR_FULLDPLX;
2111 }
2112 if (new_bmcr != bmcr) {
2113 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002114
Michael Chanca58c3a2007-05-03 13:22:52 -07002115 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2116 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002117
Michael Chanb6016b72005-05-26 13:03:09 -07002118 if (bmsr & BMSR_LSTATUS) {
2119 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002120 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002121 spin_unlock_bh(&bp->phy_lock);
2122 msleep(50);
2123 spin_lock_bh(&bp->phy_lock);
2124
Michael Chanca58c3a2007-05-03 13:22:52 -07002125 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2126 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002127 }
2128
Michael Chanca58c3a2007-05-03 13:22:52 -07002129 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002130
2131 /* Normally, the new speed is setup after the link has
2132 * gone down and up again. In some cases, link will not go
2133 * down so we need to set up the new speed here.
2134 */
2135 if (bmsr & BMSR_LSTATUS) {
2136 bp->line_speed = bp->req_line_speed;
2137 bp->duplex = bp->req_duplex;
2138 bnx2_resolve_flow_ctrl(bp);
2139 bnx2_set_mac_link(bp);
2140 }
Michael Chan27a005b2007-05-03 13:23:41 -07002141 } else {
2142 bnx2_resolve_flow_ctrl(bp);
2143 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002144 }
2145 return 0;
2146}
2147
2148static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002149bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002150__releases(&bp->phy_lock)
2151__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002152{
2153 if (bp->loopback == MAC_LOOPBACK)
2154 return 0;
2155
Michael Chan583c28e2008-01-21 19:51:35 -08002156 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Eric Dumazet807540b2010-09-23 05:40:09 +00002157 return bnx2_setup_serdes_phy(bp, port);
Michael Chanb6016b72005-05-26 13:03:09 -07002158 }
2159 else {
Eric Dumazet807540b2010-09-23 05:40:09 +00002160 return bnx2_setup_copper_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002161 }
2162}
2163
2164static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002165bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002166{
2167 u32 val;
2168
2169 bp->mii_bmcr = MII_BMCR + 0x10;
2170 bp->mii_bmsr = MII_BMSR + 0x10;
2171 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2172 bp->mii_adv = MII_ADVERTISE + 0x10;
2173 bp->mii_lpa = MII_LPA + 0x10;
2174 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2175
2176 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2177 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2178
2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002180 if (reset_phy)
2181 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002182
2183 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2184
2185 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2186 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2187 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2188 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2191 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002192 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002193 val |= BCM5708S_UP1_2G5;
2194 else
2195 val &= ~BCM5708S_UP1_2G5;
2196 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2197
2198 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2199 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2200 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2201 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2202
2203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2204
2205 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2206 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2207 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2208
2209 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2210
2211 return 0;
2212}
2213
2214static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002215bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002216{
2217 u32 val;
2218
Michael Chan9a120bc2008-05-16 22:17:45 -07002219 if (reset_phy)
2220 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002221
2222 bp->mii_up1 = BCM5708S_UP1;
2223
Michael Chan5b0c76a2005-11-04 08:45:49 -08002224 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2225 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2226 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2227
2228 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2229 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2230 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2231
2232 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2233 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2234 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2235
Michael Chan583c28e2008-01-21 19:51:35 -08002236 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002237 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2238 val |= BCM5708S_UP1_2G5;
2239 bnx2_write_phy(bp, BCM5708S_UP1, val);
2240 }
2241
Michael Chan4ce45e02012-12-06 10:33:10 +00002242 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
2243 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
2244 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002245 /* increase tx signal amplitude */
2246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2247 BCM5708S_BLK_ADDR_TX_MISC);
2248 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2249 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2250 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2251 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2252 }
2253
Michael Chan2726d6e2008-01-29 21:35:05 -08002254 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002255 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2256
2257 if (val) {
2258 u32 is_backplane;
2259
Michael Chan2726d6e2008-01-29 21:35:05 -08002260 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002261 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2262 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2263 BCM5708S_BLK_ADDR_TX_MISC);
2264 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2266 BCM5708S_BLK_ADDR_DIG);
2267 }
2268 }
2269 return 0;
2270}
2271
2272static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002273bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002274{
Michael Chan9a120bc2008-05-16 22:17:45 -07002275 if (reset_phy)
2276 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002277
Michael Chan583c28e2008-01-21 19:51:35 -08002278 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002279
Michael Chan4ce45e02012-12-06 10:33:10 +00002280 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chane503e062012-12-06 10:33:08 +00002281 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002282
2283 if (bp->dev->mtu > 1500) {
2284 u32 val;
2285
2286 /* Set extended packet length bit */
2287 bnx2_write_phy(bp, 0x18, 0x7);
2288 bnx2_read_phy(bp, 0x18, &val);
2289 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2290
2291 bnx2_write_phy(bp, 0x1c, 0x6c00);
2292 bnx2_read_phy(bp, 0x1c, &val);
2293 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2294 }
2295 else {
2296 u32 val;
2297
2298 bnx2_write_phy(bp, 0x18, 0x7);
2299 bnx2_read_phy(bp, 0x18, &val);
2300 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2301
2302 bnx2_write_phy(bp, 0x1c, 0x6c00);
2303 bnx2_read_phy(bp, 0x1c, &val);
2304 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2305 }
2306
2307 return 0;
2308}
2309
2310static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002311bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002312{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002313 u32 val;
2314
Michael Chan9a120bc2008-05-16 22:17:45 -07002315 if (reset_phy)
2316 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002317
Michael Chan583c28e2008-01-21 19:51:35 -08002318 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002319 bnx2_write_phy(bp, 0x18, 0x0c00);
2320 bnx2_write_phy(bp, 0x17, 0x000a);
2321 bnx2_write_phy(bp, 0x15, 0x310b);
2322 bnx2_write_phy(bp, 0x17, 0x201f);
2323 bnx2_write_phy(bp, 0x15, 0x9506);
2324 bnx2_write_phy(bp, 0x17, 0x401f);
2325 bnx2_write_phy(bp, 0x15, 0x14e2);
2326 bnx2_write_phy(bp, 0x18, 0x0400);
2327 }
2328
Michael Chan583c28e2008-01-21 19:51:35 -08002329 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002330 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2331 MII_BNX2_DSP_EXPAND_REG | 0x8);
2332 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2333 val &= ~(1 << 8);
2334 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2335 }
2336
Michael Chanb6016b72005-05-26 13:03:09 -07002337 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002338 /* Set extended packet length bit */
2339 bnx2_write_phy(bp, 0x18, 0x7);
2340 bnx2_read_phy(bp, 0x18, &val);
2341 bnx2_write_phy(bp, 0x18, val | 0x4000);
2342
2343 bnx2_read_phy(bp, 0x10, &val);
2344 bnx2_write_phy(bp, 0x10, val | 0x1);
2345 }
2346 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002347 bnx2_write_phy(bp, 0x18, 0x7);
2348 bnx2_read_phy(bp, 0x18, &val);
2349 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2350
2351 bnx2_read_phy(bp, 0x10, &val);
2352 bnx2_write_phy(bp, 0x10, val & ~0x1);
2353 }
2354
Michael Chan5b0c76a2005-11-04 08:45:49 -08002355 /* ethernet@wirespeed */
Michael Chan41033b62013-12-31 23:22:33 -08002356 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
2357 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
2358 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
2359
2360 /* auto-mdix */
2361 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
2362 val |= AUX_CTL_MISC_CTL_AUTOMDIX;
2363
2364 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002365 return 0;
2366}
2367
2368
2369static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002370bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002371__releases(&bp->phy_lock)
2372__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002373{
2374 u32 val;
2375 int rc = 0;
2376
Michael Chan583c28e2008-01-21 19:51:35 -08002377 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2378 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002379
Michael Chanca58c3a2007-05-03 13:22:52 -07002380 bp->mii_bmcr = MII_BMCR;
2381 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002382 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002383 bp->mii_adv = MII_ADVERTISE;
2384 bp->mii_lpa = MII_LPA;
2385
Michael Chane503e062012-12-06 10:33:08 +00002386 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07002387
Michael Chan583c28e2008-01-21 19:51:35 -08002388 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002389 goto setup_phy;
2390
Michael Chanb6016b72005-05-26 13:03:09 -07002391 bnx2_read_phy(bp, MII_PHYSID1, &val);
2392 bp->phy_id = val << 16;
2393 bnx2_read_phy(bp, MII_PHYSID2, &val);
2394 bp->phy_id |= val & 0xffff;
2395
Michael Chan583c28e2008-01-21 19:51:35 -08002396 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00002397 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002398 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002399 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002400 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002401 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002402 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002403 }
2404 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002405 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002406 }
2407
Michael Chan0d8a6572007-07-07 22:49:43 -07002408setup_phy:
2409 if (!rc)
2410 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002411
2412 return rc;
2413}
2414
2415static int
2416bnx2_set_mac_loopback(struct bnx2 *bp)
2417{
2418 u32 mac_mode;
2419
Michael Chane503e062012-12-06 10:33:08 +00002420 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07002421 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2422 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
Michael Chane503e062012-12-06 10:33:08 +00002423 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07002424 bp->link_up = 1;
2425 return 0;
2426}
2427
Michael Chanbc5a0692006-01-23 16:13:22 -08002428static int bnx2_test_link(struct bnx2 *);
2429
2430static int
2431bnx2_set_phy_loopback(struct bnx2 *bp)
2432{
2433 u32 mac_mode;
2434 int rc, i;
2435
2436 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002437 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002438 BMCR_SPEED1000);
2439 spin_unlock_bh(&bp->phy_lock);
2440 if (rc)
2441 return rc;
2442
2443 for (i = 0; i < 10; i++) {
2444 if (bnx2_test_link(bp) == 0)
2445 break;
Michael Chan80be4432006-11-19 14:07:28 -08002446 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002447 }
2448
Michael Chane503e062012-12-06 10:33:08 +00002449 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002450 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2451 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002452 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002453
2454 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
Michael Chane503e062012-12-06 10:33:08 +00002455 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanbc5a0692006-01-23 16:13:22 -08002456 bp->link_up = 1;
2457 return 0;
2458}
2459
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002460static void
2461bnx2_dump_mcp_state(struct bnx2 *bp)
2462{
2463 struct net_device *dev = bp->dev;
2464 u32 mcp_p0, mcp_p1;
2465
2466 netdev_err(dev, "<--- start MCP states dump --->\n");
Michael Chan4ce45e02012-12-06 10:33:10 +00002467 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002468 mcp_p0 = BNX2_MCP_STATE_P0;
2469 mcp_p1 = BNX2_MCP_STATE_P1;
2470 } else {
2471 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2472 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2473 }
2474 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2475 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2476 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2477 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2478 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2479 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2480 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2481 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2482 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2483 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2484 netdev_err(dev, "DEBUG: shmem states:\n");
2485 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2486 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2487 bnx2_shmem_rd(bp, BNX2_FW_MB),
2488 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2489 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2490 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2491 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2492 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2493 pr_cont(" condition[%08x]\n",
2494 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
Michael Chan13e63512012-06-16 15:45:42 +00002495 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002496 DP_SHMEM_LINE(bp, 0x3cc);
2497 DP_SHMEM_LINE(bp, 0x3dc);
2498 DP_SHMEM_LINE(bp, 0x3ec);
2499 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2500 netdev_err(dev, "<--- end MCP states dump --->\n");
2501}
2502
Michael Chanb6016b72005-05-26 13:03:09 -07002503static int
Michael Chana2f13892008-07-14 22:38:23 -07002504bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002505{
2506 int i;
2507 u32 val;
2508
Michael Chanb6016b72005-05-26 13:03:09 -07002509 bp->fw_wr_seq++;
2510 msg_data |= bp->fw_wr_seq;
Michael Chana8d9bc22014-03-09 15:45:32 -08002511 bp->fw_last_msg = msg_data;
Michael Chanb6016b72005-05-26 13:03:09 -07002512
Michael Chan2726d6e2008-01-29 21:35:05 -08002513 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002514
Michael Chana2f13892008-07-14 22:38:23 -07002515 if (!ack)
2516 return 0;
2517
Michael Chanb6016b72005-05-26 13:03:09 -07002518 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002519 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002520 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002521
Michael Chan2726d6e2008-01-29 21:35:05 -08002522 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002523
2524 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2525 break;
2526 }
Michael Chanb090ae22006-01-23 16:07:10 -08002527 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2528 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002529
2530 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002531 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002532 msg_data &= ~BNX2_DRV_MSG_CODE;
2533 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2534
Michael Chan2726d6e2008-01-29 21:35:05 -08002535 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002536 if (!silent) {
2537 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2538 bnx2_dump_mcp_state(bp);
2539 }
Michael Chanb6016b72005-05-26 13:03:09 -07002540
Michael Chanb6016b72005-05-26 13:03:09 -07002541 return -EBUSY;
2542 }
2543
Michael Chanb090ae22006-01-23 16:07:10 -08002544 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2545 return -EIO;
2546
Michael Chanb6016b72005-05-26 13:03:09 -07002547 return 0;
2548}
2549
Michael Chan59b47d82006-11-19 14:10:45 -08002550static int
2551bnx2_init_5709_context(struct bnx2 *bp)
2552{
2553 int i, ret = 0;
2554 u32 val;
2555
2556 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
Michael Chan2bc40782012-12-06 10:33:09 +00002557 val |= (BNX2_PAGE_BITS - 8) << 16;
Michael Chane503e062012-12-06 10:33:08 +00002558 BNX2_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002559 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00002560 val = BNX2_RD(bp, BNX2_CTX_COMMAND);
Michael Chan641bdcd2007-06-04 21:22:24 -07002561 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2562 break;
2563 udelay(2);
2564 }
2565 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2566 return -EBUSY;
2567
Michael Chan59b47d82006-11-19 14:10:45 -08002568 for (i = 0; i < bp->ctx_pages; i++) {
2569 int j;
2570
Michael Chan352f7682008-05-02 16:57:26 -07002571 if (bp->ctx_blk[i])
Michael Chan2bc40782012-12-06 10:33:09 +00002572 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
Michael Chan352f7682008-05-02 16:57:26 -07002573 else
2574 return -ENOMEM;
2575
Michael Chane503e062012-12-06 10:33:08 +00002576 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2577 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2578 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2579 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2580 (u64) bp->ctx_blk_mapping[i] >> 32);
2581 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2582 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -08002583 for (j = 0; j < 10; j++) {
2584
Michael Chane503e062012-12-06 10:33:08 +00002585 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -08002586 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2587 break;
2588 udelay(5);
2589 }
2590 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2591 ret = -EBUSY;
2592 break;
2593 }
2594 }
2595 return ret;
2596}
2597
Michael Chanb6016b72005-05-26 13:03:09 -07002598static void
2599bnx2_init_context(struct bnx2 *bp)
2600{
2601 u32 vcid;
2602
2603 vcid = 96;
2604 while (vcid) {
2605 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002606 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002607
2608 vcid--;
2609
Michael Chan4ce45e02012-12-06 10:33:10 +00002610 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07002611 u32 new_vcid;
2612
2613 vcid_addr = GET_PCID_ADDR(vcid);
2614 if (vcid & 0x8) {
2615 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2616 }
2617 else {
2618 new_vcid = vcid;
2619 }
2620 pcid_addr = GET_PCID_ADDR(new_vcid);
2621 }
2622 else {
2623 vcid_addr = GET_CID_ADDR(vcid);
2624 pcid_addr = vcid_addr;
2625 }
2626
Michael Chan7947b202007-06-04 21:17:10 -07002627 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2628 vcid_addr += (i << PHY_CTX_SHIFT);
2629 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002630
Michael Chane503e062012-12-06 10:33:08 +00002631 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2632 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002633
2634 /* Zero out the context. */
2635 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002636 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002637 }
Michael Chanb6016b72005-05-26 13:03:09 -07002638 }
2639}
2640
2641static int
2642bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2643{
2644 u16 *good_mbuf;
2645 u32 good_mbuf_cnt;
2646 u32 val;
2647
2648 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
Joe Perchese404dec2012-01-29 12:56:23 +00002649 if (good_mbuf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07002650 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002651
Michael Chane503e062012-12-06 10:33:08 +00002652 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
Michael Chanb6016b72005-05-26 13:03:09 -07002653 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2654
2655 good_mbuf_cnt = 0;
2656
2657 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002658 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002659 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002660 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2661 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002662
Michael Chan2726d6e2008-01-29 21:35:05 -08002663 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002664
2665 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2666
2667 /* The addresses with Bit 9 set are bad memory blocks. */
2668 if (!(val & (1 << 9))) {
2669 good_mbuf[good_mbuf_cnt] = (u16) val;
2670 good_mbuf_cnt++;
2671 }
2672
Michael Chan2726d6e2008-01-29 21:35:05 -08002673 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002674 }
2675
2676 /* Free the good ones back to the mbuf pool thus discarding
2677 * all the bad ones. */
2678 while (good_mbuf_cnt) {
2679 good_mbuf_cnt--;
2680
2681 val = good_mbuf[good_mbuf_cnt];
2682 val = (val << 9) | val | 1;
2683
Michael Chan2726d6e2008-01-29 21:35:05 -08002684 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002685 }
2686 kfree(good_mbuf);
2687 return 0;
2688}
2689
2690static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002691bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002692{
2693 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002694
2695 val = (mac_addr[0] << 8) | mac_addr[1];
2696
Michael Chane503e062012-12-06 10:33:08 +00002697 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002698
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002699 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002700 (mac_addr[4] << 8) | mac_addr[5];
2701
Michael Chane503e062012-12-06 10:33:08 +00002702 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002703}
2704
2705static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002706bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chan47bf4242007-12-12 11:19:12 -08002707{
2708 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002709 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2710 struct bnx2_rx_bd *rxbd =
2711 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002712 struct page *page = alloc_page(gfp);
Michael Chan47bf4242007-12-12 11:19:12 -08002713
2714 if (!page)
2715 return -ENOMEM;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002716 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002717 PCI_DMA_FROMDEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002718 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002719 __free_page(page);
2720 return -EIO;
2721 }
2722
Michael Chan47bf4242007-12-12 11:19:12 -08002723 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002724 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002725 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2726 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2727 return 0;
2728}
2729
2730static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002731bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002732{
Michael Chan2bc40782012-12-06 10:33:09 +00002733 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002734 struct page *page = rx_pg->page;
2735
2736 if (!page)
2737 return;
2738
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002739 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2740 PAGE_SIZE, PCI_DMA_FROMDEVICE);
Michael Chan47bf4242007-12-12 11:19:12 -08002741
2742 __free_page(page);
2743 rx_pg->page = NULL;
2744}
2745
2746static inline int
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002747bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chanb6016b72005-05-26 13:03:09 -07002748{
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002749 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00002750 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002751 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002752 struct bnx2_rx_bd *rxbd =
2753 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002754
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002755 data = kmalloc(bp->rx_buf_size, gfp);
2756 if (!data)
Michael Chanb6016b72005-05-26 13:03:09 -07002757 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002758
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002759 mapping = dma_map_single(&bp->pdev->dev,
2760 get_l2_fhdr(data),
2761 bp->rx_buf_use_size,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002762 PCI_DMA_FROMDEVICE);
2763 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002764 kfree(data);
Benjamin Li3d16af82008-10-09 12:26:41 -07002765 return -EIO;
2766 }
Michael Chanb6016b72005-05-26 13:03:09 -07002767
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002768 rx_buf->data = data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002769 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002770
2771 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2772 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2773
Michael Chanbb4f98a2008-06-19 16:38:19 -07002774 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002775
2776 return 0;
2777}
2778
Michael Chanda3e4fb2007-05-03 13:24:23 -07002779static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002780bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002781{
Michael Chan43e80b82008-06-19 16:41:08 -07002782 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002783 u32 new_link_state, old_link_state;
2784 int is_set = 1;
2785
2786 new_link_state = sblk->status_attn_bits & event;
2787 old_link_state = sblk->status_attn_bits_ack & event;
2788 if (new_link_state != old_link_state) {
2789 if (new_link_state)
Michael Chane503e062012-12-06 10:33:08 +00002790 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002791 else
Michael Chane503e062012-12-06 10:33:08 +00002792 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002793 } else
2794 is_set = 0;
2795
2796 return is_set;
2797}
2798
Michael Chanb6016b72005-05-26 13:03:09 -07002799static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002800bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002801{
Michael Chan74ecc622008-05-02 16:56:16 -07002802 spin_lock(&bp->phy_lock);
2803
2804 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002805 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002806 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002807 bnx2_set_remote_link(bp);
2808
Michael Chan74ecc622008-05-02 16:56:16 -07002809 spin_unlock(&bp->phy_lock);
2810
Michael Chanb6016b72005-05-26 13:03:09 -07002811}
2812
Michael Chanead72702007-12-20 19:55:39 -08002813static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002814bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002815{
2816 u16 cons;
2817
Michael Chan43e80b82008-06-19 16:41:08 -07002818 /* Tell compiler that status block fields can change. */
2819 barrier();
2820 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002821 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00002822 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
Michael Chanead72702007-12-20 19:55:39 -08002823 cons++;
2824 return cons;
2825}
2826
Michael Chan57851d82007-12-20 20:01:44 -08002827static int
2828bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002829{
Michael Chan35e90102008-06-19 16:37:42 -07002830 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002831 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002832 int tx_pkt = 0, index;
Eric Dumazete9831902011-11-29 11:53:05 +00002833 unsigned int tx_bytes = 0;
Benjamin Li706bf242008-07-18 17:55:11 -07002834 struct netdev_queue *txq;
2835
2836 index = (bnapi - bp->bnx2_napi);
2837 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002838
Michael Chan35efa7c2007-12-20 19:56:37 -08002839 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002840 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002841
2842 while (sw_cons != hw_cons) {
Michael Chan2bc40782012-12-06 10:33:09 +00002843 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002844 struct sk_buff *skb;
2845 int i, last;
2846
Michael Chan2bc40782012-12-06 10:33:09 +00002847 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002848
Michael Chan35e90102008-06-19 16:37:42 -07002849 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002850 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002851
Eric Dumazetd62fda02009-05-12 20:48:02 +00002852 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2853 prefetch(&skb->end);
2854
Michael Chanb6016b72005-05-26 13:03:09 -07002855 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002856 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002857 u16 last_idx, last_ring_idx;
2858
Eric Dumazetd62fda02009-05-12 20:48:02 +00002859 last_idx = sw_cons + tx_buf->nr_frags + 1;
2860 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chan2bc40782012-12-06 10:33:09 +00002861 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002862 last_idx++;
2863 }
2864 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2865 break;
2866 }
2867 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002868
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002869 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002870 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002871
2872 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002873 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002874
2875 for (i = 0; i < last; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002876 struct bnx2_sw_tx_bd *tx_buf;
Alexander Duycke95524a2009-12-02 16:47:57 +00002877
Michael Chan2bc40782012-12-06 10:33:09 +00002878 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
2879
2880 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002881 dma_unmap_page(&bp->pdev->dev,
Michael Chan2bc40782012-12-06 10:33:09 +00002882 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00002883 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00002884 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002885 }
2886
Michael Chan2bc40782012-12-06 10:33:09 +00002887 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002888
Eric Dumazete9831902011-11-29 11:53:05 +00002889 tx_bytes += skb->len;
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07002890 dev_kfree_skb_any(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002891 tx_pkt++;
2892 if (tx_pkt == budget)
2893 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002894
Eric Dumazetd62fda02009-05-12 20:48:02 +00002895 if (hw_cons == sw_cons)
2896 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002897 }
2898
Eric Dumazete9831902011-11-29 11:53:05 +00002899 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
Michael Chan35e90102008-06-19 16:37:42 -07002900 txr->hw_tx_cons = hw_cons;
2901 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002902
Michael Chan2f8af122006-08-15 01:39:10 -07002903 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002904 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002905 * memory barrier, there is a small possibility that bnx2_start_xmit()
2906 * will miss it and cause the queue to be stopped forever.
2907 */
2908 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002909
Benjamin Li706bf242008-07-18 17:55:11 -07002910 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002911 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002912 __netif_tx_lock(txq, smp_processor_id());
2913 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002914 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002915 netif_tx_wake_queue(txq);
2916 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002917 }
Benjamin Li706bf242008-07-18 17:55:11 -07002918
Michael Chan57851d82007-12-20 20:01:44 -08002919 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002920}
2921
Michael Chan1db82f22007-12-12 11:19:35 -08002922static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002923bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002924 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002925{
Michael Chan2bc40782012-12-06 10:33:09 +00002926 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
2927 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002928 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002929 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002930 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002931
Benjamin Li3d16af82008-10-09 12:26:41 -07002932 cons_rx_pg = &rxr->rx_pg_ring[cons];
2933
2934 /* The caller was unable to allocate a new page to replace the
2935 * last one in the frags array, so we need to recycle that page
2936 * and then free the skb.
2937 */
2938 if (skb) {
2939 struct page *page;
2940 struct skb_shared_info *shinfo;
2941
2942 shinfo = skb_shinfo(skb);
2943 shinfo->nr_frags--;
Ian Campbellb7b6a682011-08-24 22:28:12 +00002944 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2945 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
Benjamin Li3d16af82008-10-09 12:26:41 -07002946
2947 cons_rx_pg->page = page;
2948 dev_kfree_skb(skb);
2949 }
2950
2951 hw_prod = rxr->rx_pg_prod;
2952
Michael Chan1db82f22007-12-12 11:19:35 -08002953 for (i = 0; i < count; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002954 prod = BNX2_RX_PG_RING_IDX(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002955
Michael Chanbb4f98a2008-06-19 16:38:19 -07002956 prod_rx_pg = &rxr->rx_pg_ring[prod];
2957 cons_rx_pg = &rxr->rx_pg_ring[cons];
Michael Chan2bc40782012-12-06 10:33:09 +00002958 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
2959 [BNX2_RX_IDX(cons)];
2960 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
2961 [BNX2_RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002962
Michael Chan1db82f22007-12-12 11:19:35 -08002963 if (prod != cons) {
2964 prod_rx_pg->page = cons_rx_pg->page;
2965 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002966 dma_unmap_addr_set(prod_rx_pg, mapping,
2967 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002968
2969 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2970 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2971
2972 }
Michael Chan2bc40782012-12-06 10:33:09 +00002973 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
2974 hw_prod = BNX2_NEXT_RX_BD(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002975 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002976 rxr->rx_pg_prod = hw_prod;
2977 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002978}
2979
Michael Chanb6016b72005-05-26 13:03:09 -07002980static inline void
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002981bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2982 u8 *data, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002983{
Michael Chan2bc40782012-12-06 10:33:09 +00002984 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
2985 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan236b6392006-03-20 17:49:02 -08002986
Michael Chanbb4f98a2008-06-19 16:38:19 -07002987 cons_rx_buf = &rxr->rx_buf_ring[cons];
2988 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002989
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002990 dma_sync_single_for_device(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002991 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002992 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002993
Michael Chanbb4f98a2008-06-19 16:38:19 -07002994 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002995
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002996 prod_rx_buf->data = data;
Michael Chan236b6392006-03-20 17:49:02 -08002997
2998 if (cons == prod)
2999 return;
3000
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003001 dma_unmap_addr_set(prod_rx_buf, mapping,
3002 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07003003
Michael Chan2bc40782012-12-06 10:33:09 +00003004 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
3005 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08003006 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
3007 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07003008}
3009
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003010static struct sk_buff *
3011bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
Michael Chana1f60192007-12-20 19:57:19 -08003012 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
3013 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08003014{
3015 int err;
3016 u16 prod = ring_idx & 0xffff;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003017 struct sk_buff *skb;
Michael Chan85833c62007-12-12 11:17:01 -08003018
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003019 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
Michael Chan85833c62007-12-12 11:17:01 -08003020 if (unlikely(err)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003021 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
3022error:
Michael Chan1db82f22007-12-12 11:19:35 -08003023 if (hdr_len) {
3024 unsigned int raw_len = len + 4;
3025 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3026
Michael Chanbb4f98a2008-06-19 16:38:19 -07003027 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08003028 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003029 return NULL;
Michael Chan85833c62007-12-12 11:17:01 -08003030 }
3031
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003032 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
Michael Chan85833c62007-12-12 11:17:01 -08003033 PCI_DMA_FROMDEVICE);
Eric Dumazetd3836f22012-04-27 00:33:38 +00003034 skb = build_skb(data, 0);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003035 if (!skb) {
3036 kfree(data);
3037 goto error;
3038 }
3039 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
Michael Chan1db82f22007-12-12 11:19:35 -08003040 if (hdr_len == 0) {
3041 skb_put(skb, len);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003042 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003043 } else {
3044 unsigned int i, frag_len, frag_size, pages;
Michael Chan2bc40782012-12-06 10:33:09 +00003045 struct bnx2_sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003046 u16 pg_cons = rxr->rx_pg_cons;
3047 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08003048
3049 frag_size = len + 4 - hdr_len;
3050 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3051 skb_put(skb, hdr_len);
3052
3053 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07003054 dma_addr_t mapping_old;
3055
Michael Chan1db82f22007-12-12 11:19:35 -08003056 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3057 if (unlikely(frag_len <= 4)) {
3058 unsigned int tail = 4 - frag_len;
3059
Michael Chanbb4f98a2008-06-19 16:38:19 -07003060 rxr->rx_pg_cons = pg_cons;
3061 rxr->rx_pg_prod = pg_prod;
3062 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003063 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003064 skb->len -= tail;
3065 if (i == 0) {
3066 skb->tail -= tail;
3067 } else {
3068 skb_frag_t *frag =
3069 &skb_shinfo(skb)->frags[i - 1];
Eric Dumazet9e903e02011-10-18 21:00:24 +00003070 skb_frag_size_sub(frag, tail);
Michael Chan1db82f22007-12-12 11:19:35 -08003071 skb->data_len -= tail;
Michael Chan1db82f22007-12-12 11:19:35 -08003072 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003073 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003074 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003075 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003076
Benjamin Li3d16af82008-10-09 12:26:41 -07003077 /* Don't unmap yet. If we're unable to allocate a new
3078 * page, we need to recycle the page and the DMA addr.
3079 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003080 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003081 if (i == pages - 1)
3082 frag_len -= 4;
3083
3084 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3085 rx_pg->page = NULL;
3086
Michael Chanbb4f98a2008-06-19 16:38:19 -07003087 err = bnx2_alloc_rx_page(bp, rxr,
Michael Chan2bc40782012-12-06 10:33:09 +00003088 BNX2_RX_PG_RING_IDX(pg_prod),
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00003089 GFP_ATOMIC);
Michael Chan1db82f22007-12-12 11:19:35 -08003090 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003091 rxr->rx_pg_cons = pg_cons;
3092 rxr->rx_pg_prod = pg_prod;
3093 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003094 pages - i);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003095 return NULL;
Michael Chan1db82f22007-12-12 11:19:35 -08003096 }
3097
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003098 dma_unmap_page(&bp->pdev->dev, mapping_old,
Benjamin Li3d16af82008-10-09 12:26:41 -07003099 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3100
Michael Chan1db82f22007-12-12 11:19:35 -08003101 frag_size -= frag_len;
3102 skb->data_len += frag_len;
Eric Dumazeta1f4e8b2011-10-13 07:50:19 +00003103 skb->truesize += PAGE_SIZE;
Michael Chan1db82f22007-12-12 11:19:35 -08003104 skb->len += frag_len;
3105
Michael Chan2bc40782012-12-06 10:33:09 +00003106 pg_prod = BNX2_NEXT_RX_BD(pg_prod);
3107 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
Michael Chan1db82f22007-12-12 11:19:35 -08003108 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003109 rxr->rx_pg_prod = pg_prod;
3110 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003111 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003112 return skb;
Michael Chan85833c62007-12-12 11:17:01 -08003113}
3114
Michael Chanc09c2622007-12-10 17:18:37 -08003115static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003116bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003117{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003118 u16 cons;
3119
Michael Chan43e80b82008-06-19 16:41:08 -07003120 /* Tell compiler that status block fields can change. */
3121 barrier();
3122 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003123 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00003124 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
Michael Chanc09c2622007-12-10 17:18:37 -08003125 cons++;
3126 return cons;
3127}
3128
Michael Chanb6016b72005-05-26 13:03:09 -07003129static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003130bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003131{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003132 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003133 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3134 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003135 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003136
Eric W. Biederman310c4d42014-03-11 14:31:09 -07003137 if (budget <= 0)
3138 return rx_pkt;
3139
Michael Chan35efa7c2007-12-20 19:56:37 -08003140 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003141 sw_cons = rxr->rx_cons;
3142 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003143
3144 /* Memory barrier necessary as speculative reads of the rx
3145 * buffer can be ahead of the index in the status block
3146 */
3147 rmb();
3148 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003149 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003150 u32 status;
Michael Chan2bc40782012-12-06 10:33:09 +00003151 struct bnx2_sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003152 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003153 dma_addr_t dma_addr;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003154 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00003155 u16 next_ring_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07003156
Michael Chan2bc40782012-12-06 10:33:09 +00003157 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
3158 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003159
Michael Chanbb4f98a2008-06-19 16:38:19 -07003160 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003161 data = rx_buf->data;
3162 rx_buf->data = NULL;
Michael Chan236b6392006-03-20 17:49:02 -08003163
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003164 rx_hdr = get_l2_fhdr(data);
3165 prefetch(rx_hdr);
Michael Chan236b6392006-03-20 17:49:02 -08003166
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003167 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003168
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003169 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003170 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3171 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003172
Michael Chan2bc40782012-12-06 10:33:09 +00003173 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
3174 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003175 prefetch(get_l2_fhdr(next_rx_buf->data));
3176
Michael Chan1db82f22007-12-12 11:19:35 -08003177 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003178 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003179
Michael Chan1db82f22007-12-12 11:19:35 -08003180 hdr_len = 0;
3181 if (status & L2_FHDR_STATUS_SPLIT) {
3182 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3183 pg_ring_used = 1;
3184 } else if (len > bp->rx_jumbo_thresh) {
3185 hdr_len = bp->rx_jumbo_thresh;
3186 pg_ring_used = 1;
3187 }
3188
Michael Chan990ec382009-02-12 16:54:13 -08003189 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3190 L2_FHDR_ERRORS_PHY_DECODE |
3191 L2_FHDR_ERRORS_ALIGNMENT |
3192 L2_FHDR_ERRORS_TOO_SHORT |
3193 L2_FHDR_ERRORS_GIANT_FRAME))) {
3194
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003195 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan990ec382009-02-12 16:54:13 -08003196 sw_ring_prod);
3197 if (pg_ring_used) {
3198 int pages;
3199
3200 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3201
3202 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3203 }
3204 goto next_rx;
3205 }
3206
Michael Chan1db82f22007-12-12 11:19:35 -08003207 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003208
Michael Chan5d5d0012007-12-12 11:17:43 -08003209 if (len <= bp->rx_copy_thresh) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003210 skb = netdev_alloc_skb(bp->dev, len + 6);
3211 if (skb == NULL) {
3212 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003213 sw_ring_prod);
3214 goto next_rx;
3215 }
Michael Chanb6016b72005-05-26 13:03:09 -07003216
3217 /* aligned copy */
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003218 memcpy(skb->data,
3219 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3220 len + 6);
3221 skb_reserve(skb, 6);
3222 skb_put(skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003223
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003224 bnx2_reuse_rx_data(bp, rxr, data,
Michael Chanb6016b72005-05-26 13:03:09 -07003225 sw_ring_cons, sw_ring_prod);
3226
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003227 } else {
3228 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3229 (sw_ring_cons << 16) | sw_ring_prod);
3230 if (!skb)
3231 goto next_rx;
3232 }
Michael Chanf22828e2008-08-14 15:30:14 -07003233 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003234 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
Patrick McHardy86a9bad2013-04-19 02:04:30 +00003235 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
Michael Chanf22828e2008-08-14 15:30:14 -07003236
Michael Chanb6016b72005-05-26 13:03:09 -07003237 skb->protocol = eth_type_trans(skb, bp->dev);
3238
3239 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003240 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003241
Michael Chan745720e2006-06-29 12:37:41 -07003242 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003243 goto next_rx;
3244
3245 }
3246
Eric Dumazetbc8acf22010-09-02 13:07:41 -07003247 skb_checksum_none_assert(skb);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00003248 if ((bp->dev->features & NETIF_F_RXCSUM) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003249 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3250 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3251
Michael Chanade2bfe2006-01-23 16:09:51 -08003252 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3253 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003254 skb->ip_summed = CHECKSUM_UNNECESSARY;
3255 }
Michael Chanfdc85412010-07-03 20:42:16 +00003256 if ((bp->dev->features & NETIF_F_RXHASH) &&
3257 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3258 L2_FHDR_STATUS_USE_RXHASH))
Tom Herbertcf1bfd62013-12-17 23:22:57 -08003259 skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
3260 PKT_HASH_TYPE_L3);
Michael Chanb6016b72005-05-26 13:03:09 -07003261
David S. Miller0c8dfc82009-01-27 16:22:32 -08003262 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
Jesse Gross7d0fd212010-10-20 13:56:09 +00003263 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003264 rx_pkt++;
3265
3266next_rx:
Michael Chan2bc40782012-12-06 10:33:09 +00003267 sw_cons = BNX2_NEXT_RX_BD(sw_cons);
3268 sw_prod = BNX2_NEXT_RX_BD(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003269
3270 if ((rx_pkt == budget))
3271 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003272
3273 /* Refresh hw_cons to see if there is new work */
3274 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003275 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003276 rmb();
3277 }
Michael Chanb6016b72005-05-26 13:03:09 -07003278 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003279 rxr->rx_cons = sw_cons;
3280 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003281
Michael Chan1db82f22007-12-12 11:19:35 -08003282 if (pg_ring_used)
Michael Chane503e062012-12-06 10:33:08 +00003283 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003284
Michael Chane503e062012-12-06 10:33:08 +00003285 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003286
Michael Chane503e062012-12-06 10:33:08 +00003287 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003288
3289 mmiowb();
3290
3291 return rx_pkt;
3292
3293}
3294
3295/* MSI ISR - The only difference between this and the INTx ISR
3296 * is that the MSI interrupt is always serviced.
3297 */
3298static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003299bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003300{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003301 struct bnx2_napi *bnapi = dev_instance;
3302 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003303
Michael Chan43e80b82008-06-19 16:41:08 -07003304 prefetch(bnapi->status_blk.msi);
Michael Chane503e062012-12-06 10:33:08 +00003305 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003306 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3307 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3308
3309 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003310 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3311 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003312
Ben Hutchings288379f2009-01-19 16:43:59 -08003313 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003314
Michael Chan73eef4c2005-08-25 15:39:15 -07003315 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003316}
3317
3318static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003319bnx2_msi_1shot(int irq, void *dev_instance)
3320{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003321 struct bnx2_napi *bnapi = dev_instance;
3322 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003323
Michael Chan43e80b82008-06-19 16:41:08 -07003324 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003325
3326 /* Return here if interrupt is disabled. */
3327 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3328 return IRQ_HANDLED;
3329
Ben Hutchings288379f2009-01-19 16:43:59 -08003330 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003331
3332 return IRQ_HANDLED;
3333}
3334
3335static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003336bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003337{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003338 struct bnx2_napi *bnapi = dev_instance;
3339 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003340 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003341
3342 /* When using INTx, it is possible for the interrupt to arrive
3343 * at the CPU before the status block posted prior to the
3344 * interrupt. Reading a register will flush the status block.
3345 * When using MSI, the MSI message will always complete after
3346 * the status block write.
3347 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003348 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chane503e062012-12-06 10:33:08 +00003349 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
Michael Chanb6016b72005-05-26 13:03:09 -07003350 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003351 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003352
Michael Chane503e062012-12-06 10:33:08 +00003353 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003354 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3355 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3356
Michael Chanb8a7ce72007-07-07 22:51:03 -07003357 /* Read back to deassert IRQ immediately to avoid too many
3358 * spurious interrupts.
3359 */
Michael Chane503e062012-12-06 10:33:08 +00003360 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003361
Michael Chanb6016b72005-05-26 13:03:09 -07003362 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003363 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3364 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003365
Ben Hutchings288379f2009-01-19 16:43:59 -08003366 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003367 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003368 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003369 }
Michael Chanb6016b72005-05-26 13:03:09 -07003370
Michael Chan73eef4c2005-08-25 15:39:15 -07003371 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003372}
3373
Michael Chan43e80b82008-06-19 16:41:08 -07003374static inline int
3375bnx2_has_fast_work(struct bnx2_napi *bnapi)
3376{
3377 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3378 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3379
3380 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3381 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3382 return 1;
3383 return 0;
3384}
3385
Michael Chan0d8a6572007-07-07 22:49:43 -07003386#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3387 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003388
Michael Chanf4e418f2005-11-04 08:53:48 -08003389static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003390bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003391{
Michael Chan43e80b82008-06-19 16:41:08 -07003392 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003393
Michael Chan43e80b82008-06-19 16:41:08 -07003394 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003395 return 1;
3396
Michael Chan4edd4732009-06-08 18:14:42 -07003397#ifdef BCM_CNIC
3398 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3399 return 1;
3400#endif
3401
Michael Chanda3e4fb2007-05-03 13:24:23 -07003402 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3403 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003404 return 1;
3405
3406 return 0;
3407}
3408
Michael Chanefba0182008-12-03 00:36:15 -08003409static void
3410bnx2_chk_missed_msi(struct bnx2 *bp)
3411{
3412 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3413 u32 msi_ctrl;
3414
3415 if (bnx2_has_work(bnapi)) {
Michael Chane503e062012-12-06 10:33:08 +00003416 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
Michael Chanefba0182008-12-03 00:36:15 -08003417 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3418 return;
3419
3420 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
Michael Chane503e062012-12-06 10:33:08 +00003421 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3422 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3423 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
Michael Chanefba0182008-12-03 00:36:15 -08003424 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3425 }
3426 }
3427
3428 bp->idle_chk_status_idx = bnapi->last_status_idx;
3429}
3430
Michael Chan4edd4732009-06-08 18:14:42 -07003431#ifdef BCM_CNIC
3432static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3433{
3434 struct cnic_ops *c_ops;
3435
3436 if (!bnapi->cnic_present)
3437 return;
3438
3439 rcu_read_lock();
3440 c_ops = rcu_dereference(bp->cnic_ops);
3441 if (c_ops)
3442 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3443 bnapi->status_blk.msi);
3444 rcu_read_unlock();
3445}
3446#endif
3447
Michael Chan43e80b82008-06-19 16:41:08 -07003448static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003449{
Michael Chan43e80b82008-06-19 16:41:08 -07003450 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003451 u32 status_attn_bits = sblk->status_attn_bits;
3452 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003453
Michael Chanda3e4fb2007-05-03 13:24:23 -07003454 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3455 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003456
Michael Chan35efa7c2007-12-20 19:56:37 -08003457 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003458
3459 /* This is needed to take care of transient status
3460 * during link changes.
3461 */
Michael Chane503e062012-12-06 10:33:08 +00003462 BNX2_WR(bp, BNX2_HC_COMMAND,
3463 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3464 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003465 }
Michael Chan43e80b82008-06-19 16:41:08 -07003466}
3467
3468static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3469 int work_done, int budget)
3470{
3471 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3472 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003473
Michael Chan35e90102008-06-19 16:37:42 -07003474 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003475 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003476
Michael Chanbb4f98a2008-06-19 16:38:19 -07003477 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003478 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003479
David S. Miller6f535762007-10-11 18:08:29 -07003480 return work_done;
3481}
Michael Chanf4e418f2005-11-04 08:53:48 -08003482
Michael Chanf0ea2e62008-06-19 16:41:57 -07003483static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3484{
3485 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3486 struct bnx2 *bp = bnapi->bp;
3487 int work_done = 0;
3488 struct status_block_msix *sblk = bnapi->status_blk.msix;
3489
3490 while (1) {
3491 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3492 if (unlikely(work_done >= budget))
3493 break;
3494
3495 bnapi->last_status_idx = sblk->status_idx;
3496 /* status idx must be read before checking for more work. */
3497 rmb();
3498 if (likely(!bnx2_has_fast_work(bnapi))) {
3499
Ben Hutchings288379f2009-01-19 16:43:59 -08003500 napi_complete(napi);
Michael Chane503e062012-12-06 10:33:08 +00003501 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3502 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3503 bnapi->last_status_idx);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003504 break;
3505 }
3506 }
3507 return work_done;
3508}
3509
David S. Miller6f535762007-10-11 18:08:29 -07003510static int bnx2_poll(struct napi_struct *napi, int budget)
3511{
Michael Chan35efa7c2007-12-20 19:56:37 -08003512 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3513 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003514 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003515 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003516
3517 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003518 bnx2_poll_link(bp, bnapi);
3519
Michael Chan35efa7c2007-12-20 19:56:37 -08003520 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003521
Michael Chan4edd4732009-06-08 18:14:42 -07003522#ifdef BCM_CNIC
3523 bnx2_poll_cnic(bp, bnapi);
3524#endif
3525
Michael Chan35efa7c2007-12-20 19:56:37 -08003526 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003527 * much work has been processed, so we must read it before
3528 * checking for more work.
3529 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003530 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003531
3532 if (unlikely(work_done >= budget))
3533 break;
3534
Michael Chan6dee6422007-10-12 01:40:38 -07003535 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003536 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003537 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003538 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
Michael Chane503e062012-12-06 10:33:08 +00003539 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3540 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3541 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003542 break;
David S. Miller6f535762007-10-11 18:08:29 -07003543 }
Michael Chane503e062012-12-06 10:33:08 +00003544 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3545 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3546 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3547 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003548
Michael Chane503e062012-12-06 10:33:08 +00003549 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3550 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3551 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003552 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003553 }
Michael Chanb6016b72005-05-26 13:03:09 -07003554 }
3555
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003556 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003557}
3558
Herbert Xu932ff272006-06-09 12:20:56 -07003559/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003560 * from set_multicast.
3561 */
3562static void
3563bnx2_set_rx_mode(struct net_device *dev)
3564{
Michael Chan972ec0d2006-01-23 16:12:43 -08003565 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003566 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003567 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003568 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003569
Michael Chan9f52b562008-10-09 12:21:46 -07003570 if (!netif_running(dev))
3571 return;
3572
Michael Chanc770a652005-08-25 15:38:39 -07003573 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003574
3575 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3576 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3577 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
Patrick McHardyf6469682013-04-19 02:04:27 +00003578 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003579 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003580 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003581 if (dev->flags & IFF_PROMISC) {
3582 /* Promiscuous mode. */
3583 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003584 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3585 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003586 }
3587 else if (dev->flags & IFF_ALLMULTI) {
3588 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003589 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3590 0xffffffff);
Michael Chanb6016b72005-05-26 13:03:09 -07003591 }
3592 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3593 }
3594 else {
3595 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003596 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3597 u32 regidx;
3598 u32 bit;
3599 u32 crc;
3600
3601 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3602
Jiri Pirko22bedad32010-04-01 21:22:57 +00003603 netdev_for_each_mc_addr(ha, dev) {
3604 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003605 bit = crc & 0xff;
3606 regidx = (bit & 0xe0) >> 5;
3607 bit &= 0x1f;
3608 mc_filter[regidx] |= (1 << bit);
3609 }
3610
3611 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003612 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3613 mc_filter[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07003614 }
3615
3616 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3617 }
3618
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003619 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003620 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3621 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3622 BNX2_RPM_SORT_USER0_PROM_VLAN;
3623 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003624 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003625 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003626 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003627 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003628 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3629 sort_mode |= (1 <<
3630 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003631 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003632 }
3633
3634 }
3635
Michael Chanb6016b72005-05-26 13:03:09 -07003636 if (rx_mode != bp->rx_mode) {
3637 bp->rx_mode = rx_mode;
Michael Chane503e062012-12-06 10:33:08 +00003638 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003639 }
3640
Michael Chane503e062012-12-06 10:33:08 +00003641 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3642 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3643 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
Michael Chanb6016b72005-05-26 13:03:09 -07003644
Michael Chanc770a652005-08-25 15:38:39 -07003645 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003646}
3647
françois romieu7880b722011-09-30 00:36:52 +00003648static int
Michael Chan57579f72009-04-04 16:51:14 -07003649check_fw_section(const struct firmware *fw,
3650 const struct bnx2_fw_file_section *section,
3651 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003652{
Michael Chan57579f72009-04-04 16:51:14 -07003653 u32 offset = be32_to_cpu(section->offset);
3654 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003655
Michael Chan57579f72009-04-04 16:51:14 -07003656 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3657 return -EINVAL;
3658 if ((non_empty && len == 0) || len > fw->size - offset ||
3659 len & (alignment - 1))
3660 return -EINVAL;
3661 return 0;
3662}
3663
françois romieu7880b722011-09-30 00:36:52 +00003664static int
Michael Chan57579f72009-04-04 16:51:14 -07003665check_mips_fw_entry(const struct firmware *fw,
3666 const struct bnx2_mips_fw_file_entry *entry)
3667{
3668 if (check_fw_section(fw, &entry->text, 4, true) ||
3669 check_fw_section(fw, &entry->data, 4, false) ||
3670 check_fw_section(fw, &entry->rodata, 4, false))
3671 return -EINVAL;
3672 return 0;
3673}
3674
françois romieu7880b722011-09-30 00:36:52 +00003675static void bnx2_release_firmware(struct bnx2 *bp)
3676{
3677 if (bp->rv2p_firmware) {
3678 release_firmware(bp->mips_firmware);
3679 release_firmware(bp->rv2p_firmware);
3680 bp->rv2p_firmware = NULL;
3681 }
3682}
3683
3684static int bnx2_request_uncached_firmware(struct bnx2 *bp)
Michael Chan57579f72009-04-04 16:51:14 -07003685{
3686 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003687 const struct bnx2_mips_fw_file *mips_fw;
3688 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003689 int rc;
3690
Michael Chan4ce45e02012-12-06 10:33:10 +00003691 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan57579f72009-04-04 16:51:14 -07003692 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan4ce45e02012-12-06 10:33:10 +00003693 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
3694 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
Michael Chan078b0732009-08-29 00:02:46 -07003695 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3696 else
3697 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003698 } else {
3699 mips_fw_file = FW_MIPS_FILE_06;
3700 rv2p_fw_file = FW_RV2P_FILE_06;
3701 }
3702
3703 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3704 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003705 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003706 goto out;
Michael Chan57579f72009-04-04 16:51:14 -07003707 }
3708
3709 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3710 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003711 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003712 goto err_release_mips_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003713 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003714 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3715 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3716 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3717 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3718 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3719 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3720 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3721 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003722 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003723 rc = -EINVAL;
3724 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003725 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003726 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3727 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3728 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003729 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003730 rc = -EINVAL;
3731 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003732 }
françois romieu7880b722011-09-30 00:36:52 +00003733out:
3734 return rc;
Michael Chan57579f72009-04-04 16:51:14 -07003735
françois romieu7880b722011-09-30 00:36:52 +00003736err_release_firmware:
3737 release_firmware(bp->rv2p_firmware);
3738 bp->rv2p_firmware = NULL;
3739err_release_mips_firmware:
3740 release_firmware(bp->mips_firmware);
3741 goto out;
3742}
3743
3744static int bnx2_request_firmware(struct bnx2 *bp)
3745{
3746 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
Michael Chan57579f72009-04-04 16:51:14 -07003747}
3748
3749static u32
3750rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3751{
3752 switch (idx) {
3753 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3754 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3755 rv2p_code |= RV2P_BD_PAGE_SIZE;
3756 break;
3757 }
3758 return rv2p_code;
3759}
3760
3761static int
3762load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3763 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3764{
3765 u32 rv2p_code_len, file_offset;
3766 __be32 *rv2p_code;
3767 int i;
3768 u32 val, cmd, addr;
3769
3770 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3771 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3772
3773 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3774
3775 if (rv2p_proc == RV2P_PROC1) {
3776 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3777 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3778 } else {
3779 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3780 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003781 }
Michael Chanb6016b72005-05-26 13:03:09 -07003782
3783 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chane503e062012-12-06 10:33:08 +00003784 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003785 rv2p_code++;
Michael Chane503e062012-12-06 10:33:08 +00003786 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003787 rv2p_code++;
3788
Michael Chan57579f72009-04-04 16:51:14 -07003789 val = (i / 8) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003790 BNX2_WR(bp, addr, val);
Michael Chan57579f72009-04-04 16:51:14 -07003791 }
3792
3793 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3794 for (i = 0; i < 8; i++) {
3795 u32 loc, code;
3796
3797 loc = be32_to_cpu(fw_entry->fixup[i]);
3798 if (loc && ((loc * 4) < rv2p_code_len)) {
3799 code = be32_to_cpu(*(rv2p_code + loc - 1));
Michael Chane503e062012-12-06 10:33:08 +00003800 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
Michael Chan57579f72009-04-04 16:51:14 -07003801 code = be32_to_cpu(*(rv2p_code + loc));
3802 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
Michael Chane503e062012-12-06 10:33:08 +00003803 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
Michael Chan57579f72009-04-04 16:51:14 -07003804
3805 val = (loc / 2) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003806 BNX2_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003807 }
3808 }
3809
3810 /* Reset the processor, un-stall is done later. */
3811 if (rv2p_proc == RV2P_PROC1) {
Michael Chane503e062012-12-06 10:33:08 +00003812 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003813 }
3814 else {
Michael Chane503e062012-12-06 10:33:08 +00003815 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003816 }
Michael Chan57579f72009-04-04 16:51:14 -07003817
3818 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003819}
3820
Michael Chanaf3ee512006-11-19 14:09:25 -08003821static int
Michael Chan57579f72009-04-04 16:51:14 -07003822load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3823 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003824{
Michael Chan57579f72009-04-04 16:51:14 -07003825 u32 addr, len, file_offset;
3826 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003827 u32 offset;
3828 u32 val;
3829
3830 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003831 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003832 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003833 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3834 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003835
3836 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003837 addr = be32_to_cpu(fw_entry->text.addr);
3838 len = be32_to_cpu(fw_entry->text.len);
3839 file_offset = be32_to_cpu(fw_entry->text.offset);
3840 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3841
3842 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3843 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003844 int j;
3845
Michael Chan57579f72009-04-04 16:51:14 -07003846 for (j = 0; j < (len / 4); j++, offset += 4)
3847 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003848 }
3849
3850 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003851 addr = be32_to_cpu(fw_entry->data.addr);
3852 len = be32_to_cpu(fw_entry->data.len);
3853 file_offset = be32_to_cpu(fw_entry->data.offset);
3854 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3855
3856 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3857 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003858 int j;
3859
Michael Chan57579f72009-04-04 16:51:14 -07003860 for (j = 0; j < (len / 4); j++, offset += 4)
3861 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003862 }
3863
3864 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003865 addr = be32_to_cpu(fw_entry->rodata.addr);
3866 len = be32_to_cpu(fw_entry->rodata.len);
3867 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3868 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3869
3870 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3871 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003872 int j;
3873
Michael Chan57579f72009-04-04 16:51:14 -07003874 for (j = 0; j < (len / 4); j++, offset += 4)
3875 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003876 }
3877
3878 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003879 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003880
3881 val = be32_to_cpu(fw_entry->start_addr);
3882 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003883
3884 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003885 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003886 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003887 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3888 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003889
3890 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003891}
3892
Michael Chanfba9fe92006-06-12 22:21:25 -07003893static int
Michael Chanb6016b72005-05-26 13:03:09 -07003894bnx2_init_cpus(struct bnx2 *bp)
3895{
Michael Chan57579f72009-04-04 16:51:14 -07003896 const struct bnx2_mips_fw_file *mips_fw =
3897 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3898 const struct bnx2_rv2p_fw_file *rv2p_fw =
3899 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3900 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003901
3902 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003903 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3904 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003905
3906 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003907 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003908 if (rc)
3909 goto init_cpu_err;
3910
Michael Chanb6016b72005-05-26 13:03:09 -07003911 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003912 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003913 if (rc)
3914 goto init_cpu_err;
3915
Michael Chanb6016b72005-05-26 13:03:09 -07003916 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003917 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003918 if (rc)
3919 goto init_cpu_err;
3920
Michael Chanb6016b72005-05-26 13:03:09 -07003921 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003922 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003923 if (rc)
3924 goto init_cpu_err;
3925
Michael Chand43584c2006-11-19 14:14:35 -08003926 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003927 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003928
Michael Chanfba9fe92006-06-12 22:21:25 -07003929init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003930 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003931}
3932
Michael Chanb6a23e92013-08-06 15:50:09 -07003933static void
3934bnx2_setup_wol(struct bnx2 *bp)
3935{
3936 int i;
3937 u32 val, wol_msg;
3938
3939 if (bp->wol) {
3940 u32 advertising;
3941 u8 autoneg;
3942
3943 autoneg = bp->autoneg;
3944 advertising = bp->advertising;
3945
3946 if (bp->phy_port == PORT_TP) {
3947 bp->autoneg = AUTONEG_SPEED;
3948 bp->advertising = ADVERTISED_10baseT_Half |
3949 ADVERTISED_10baseT_Full |
3950 ADVERTISED_100baseT_Half |
3951 ADVERTISED_100baseT_Full |
3952 ADVERTISED_Autoneg;
3953 }
3954
3955 spin_lock_bh(&bp->phy_lock);
3956 bnx2_setup_phy(bp, bp->phy_port);
3957 spin_unlock_bh(&bp->phy_lock);
3958
3959 bp->autoneg = autoneg;
3960 bp->advertising = advertising;
3961
3962 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3963
3964 val = BNX2_RD(bp, BNX2_EMAC_MODE);
3965
3966 /* Enable port mode. */
3967 val &= ~BNX2_EMAC_MODE_PORT;
3968 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3969 BNX2_EMAC_MODE_ACPI_RCVD |
3970 BNX2_EMAC_MODE_MPKT;
3971 if (bp->phy_port == PORT_TP) {
3972 val |= BNX2_EMAC_MODE_PORT_MII;
3973 } else {
3974 val |= BNX2_EMAC_MODE_PORT_GMII;
3975 if (bp->line_speed == SPEED_2500)
3976 val |= BNX2_EMAC_MODE_25G_MODE;
3977 }
3978
3979 BNX2_WR(bp, BNX2_EMAC_MODE, val);
3980
3981 /* receive all multicast */
3982 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3983 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3984 0xffffffff);
3985 }
3986 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
3987
3988 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
3989 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3990 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
3991 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
3992
3993 /* Need to enable EMAC and RPM for WOL. */
3994 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3995 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3996 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3997 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3998
3999 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
4000 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
4001 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
4002
4003 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4004 } else {
4005 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4006 }
4007
Michael Chana8d9bc22014-03-09 15:45:32 -08004008 if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
4009 u32 val;
4010
4011 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
4012 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
4013 bnx2_fw_sync(bp, wol_msg, 1, 0);
4014 return;
4015 }
4016 /* Tell firmware not to power down the PHY yet, otherwise
4017 * the chip will take a long time to respond to MMIO reads.
4018 */
4019 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
4020 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
4021 val | BNX2_PORT_FEATURE_ASF_ENABLED);
4022 bnx2_fw_sync(bp, wol_msg, 1, 0);
4023 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
4024 }
Michael Chanb6a23e92013-08-06 15:50:09 -07004025
4026}
4027
Michael Chanb6016b72005-05-26 13:03:09 -07004028static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07004029bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07004030{
Michael Chanb6016b72005-05-26 13:03:09 -07004031 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07004032 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07004033 u32 val;
4034
Michael Chan6d5e85c2013-08-06 15:50:08 -07004035 pci_enable_wake(bp->pdev, PCI_D0, false);
4036 pci_set_power_state(bp->pdev, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07004037
Michael Chane503e062012-12-06 10:33:08 +00004038 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07004039 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
4040 val &= ~BNX2_EMAC_MODE_MPKT;
Michael Chane503e062012-12-06 10:33:08 +00004041 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004042
Michael Chane503e062012-12-06 10:33:08 +00004043 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004044 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004045 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004046 break;
4047 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07004048 case PCI_D3hot: {
Michael Chanb6a23e92013-08-06 15:50:09 -07004049 bnx2_setup_wol(bp);
Michael Chan6d5e85c2013-08-06 15:50:08 -07004050 pci_wake_from_d3(bp->pdev, bp->wol);
Michael Chan4ce45e02012-12-06 10:33:10 +00004051 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4052 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004053
4054 if (bp->wol)
Michael Chan6d5e85c2013-08-06 15:50:08 -07004055 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chana8d9bc22014-03-09 15:45:32 -08004056 break;
4057
Michael Chanb6016b72005-05-26 13:03:09 -07004058 }
Michael Chana8d9bc22014-03-09 15:45:32 -08004059 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4060 u32 val;
4061
4062 /* Tell firmware not to power down the PHY yet,
4063 * otherwise the other port may not respond to
4064 * MMIO reads.
4065 */
4066 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
4067 val &= ~BNX2_CONDITION_PM_STATE_MASK;
4068 val |= BNX2_CONDITION_PM_STATE_UNPREP;
4069 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
4070 }
4071 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07004072
4073 /* No more memory access after this point until
4074 * device is brought back to D0.
4075 */
Michael Chanb6016b72005-05-26 13:03:09 -07004076 break;
4077 }
4078 default:
4079 return -EINVAL;
4080 }
4081 return 0;
4082}
4083
4084static int
4085bnx2_acquire_nvram_lock(struct bnx2 *bp)
4086{
4087 u32 val;
4088 int j;
4089
4090 /* Request access to the flash interface. */
Michael Chane503e062012-12-06 10:33:08 +00004091 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
Michael Chanb6016b72005-05-26 13:03:09 -07004092 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004093 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004094 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4095 break;
4096
4097 udelay(5);
4098 }
4099
4100 if (j >= NVRAM_TIMEOUT_COUNT)
4101 return -EBUSY;
4102
4103 return 0;
4104}
4105
4106static int
4107bnx2_release_nvram_lock(struct bnx2 *bp)
4108{
4109 int j;
4110 u32 val;
4111
4112 /* Relinquish nvram interface. */
Michael Chane503e062012-12-06 10:33:08 +00004113 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
Michael Chanb6016b72005-05-26 13:03:09 -07004114
4115 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004116 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004117 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4118 break;
4119
4120 udelay(5);
4121 }
4122
4123 if (j >= NVRAM_TIMEOUT_COUNT)
4124 return -EBUSY;
4125
4126 return 0;
4127}
4128
4129
4130static int
4131bnx2_enable_nvram_write(struct bnx2 *bp)
4132{
4133 u32 val;
4134
Michael Chane503e062012-12-06 10:33:08 +00004135 val = BNX2_RD(bp, BNX2_MISC_CFG);
4136 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
Michael Chanb6016b72005-05-26 13:03:09 -07004137
Michael Chane30372c2007-07-16 18:26:23 -07004138 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004139 int j;
4140
Michael Chane503e062012-12-06 10:33:08 +00004141 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4142 BNX2_WR(bp, BNX2_NVM_COMMAND,
4143 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
Michael Chanb6016b72005-05-26 13:03:09 -07004144
4145 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4146 udelay(5);
4147
Michael Chane503e062012-12-06 10:33:08 +00004148 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004149 if (val & BNX2_NVM_COMMAND_DONE)
4150 break;
4151 }
4152
4153 if (j >= NVRAM_TIMEOUT_COUNT)
4154 return -EBUSY;
4155 }
4156 return 0;
4157}
4158
4159static void
4160bnx2_disable_nvram_write(struct bnx2 *bp)
4161{
4162 u32 val;
4163
Michael Chane503e062012-12-06 10:33:08 +00004164 val = BNX2_RD(bp, BNX2_MISC_CFG);
4165 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004166}
4167
4168
4169static void
4170bnx2_enable_nvram_access(struct bnx2 *bp)
4171{
4172 u32 val;
4173
Michael Chane503e062012-12-06 10:33:08 +00004174 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004175 /* Enable both bits, even on read. */
Michael Chane503e062012-12-06 10:33:08 +00004176 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4177 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004178}
4179
4180static void
4181bnx2_disable_nvram_access(struct bnx2 *bp)
4182{
4183 u32 val;
4184
Michael Chane503e062012-12-06 10:33:08 +00004185 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004186 /* Disable both bits, even after read. */
Michael Chane503e062012-12-06 10:33:08 +00004187 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004188 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4189 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4190}
4191
4192static int
4193bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4194{
4195 u32 cmd;
4196 int j;
4197
Michael Chane30372c2007-07-16 18:26:23 -07004198 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004199 /* Buffered flash, no erase needed */
4200 return 0;
4201
4202 /* Build an erase command */
4203 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4204 BNX2_NVM_COMMAND_DOIT;
4205
4206 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004207 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004208
4209 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004210 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004211
4212 /* Issue an erase command. */
Michael Chane503e062012-12-06 10:33:08 +00004213 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004214
4215 /* Wait for completion. */
4216 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4217 u32 val;
4218
4219 udelay(5);
4220
Michael Chane503e062012-12-06 10:33:08 +00004221 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004222 if (val & BNX2_NVM_COMMAND_DONE)
4223 break;
4224 }
4225
4226 if (j >= NVRAM_TIMEOUT_COUNT)
4227 return -EBUSY;
4228
4229 return 0;
4230}
4231
4232static int
4233bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4234{
4235 u32 cmd;
4236 int j;
4237
4238 /* Build the command word. */
4239 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4240
Michael Chane30372c2007-07-16 18:26:23 -07004241 /* Calculate an offset of a buffered flash, not needed for 5709. */
4242 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004243 offset = ((offset / bp->flash_info->page_size) <<
4244 bp->flash_info->page_bits) +
4245 (offset % bp->flash_info->page_size);
4246 }
4247
4248 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004249 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004250
4251 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004252 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004253
4254 /* Issue a read command. */
Michael Chane503e062012-12-06 10:33:08 +00004255 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004256
4257 /* Wait for completion. */
4258 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4259 u32 val;
4260
4261 udelay(5);
4262
Michael Chane503e062012-12-06 10:33:08 +00004263 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004264 if (val & BNX2_NVM_COMMAND_DONE) {
Michael Chane503e062012-12-06 10:33:08 +00004265 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
Al Virob491edd2007-12-22 19:44:51 +00004266 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004267 break;
4268 }
4269 }
4270 if (j >= NVRAM_TIMEOUT_COUNT)
4271 return -EBUSY;
4272
4273 return 0;
4274}
4275
4276
4277static int
4278bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4279{
Al Virob491edd2007-12-22 19:44:51 +00004280 u32 cmd;
4281 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004282 int j;
4283
4284 /* Build the command word. */
4285 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4286
Michael Chane30372c2007-07-16 18:26:23 -07004287 /* Calculate an offset of a buffered flash, not needed for 5709. */
4288 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004289 offset = ((offset / bp->flash_info->page_size) <<
4290 bp->flash_info->page_bits) +
4291 (offset % bp->flash_info->page_size);
4292 }
4293
4294 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004295 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004296
4297 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004298
4299 /* Write the data. */
Michael Chane503e062012-12-06 10:33:08 +00004300 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004301
4302 /* Address of the NVRAM to write to. */
Michael Chane503e062012-12-06 10:33:08 +00004303 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004304
4305 /* Issue the write command. */
Michael Chane503e062012-12-06 10:33:08 +00004306 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004307
4308 /* Wait for completion. */
4309 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4310 udelay(5);
4311
Michael Chane503e062012-12-06 10:33:08 +00004312 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
Michael Chanb6016b72005-05-26 13:03:09 -07004313 break;
4314 }
4315 if (j >= NVRAM_TIMEOUT_COUNT)
4316 return -EBUSY;
4317
4318 return 0;
4319}
4320
4321static int
4322bnx2_init_nvram(struct bnx2 *bp)
4323{
4324 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004325 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004326 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004327
Michael Chan4ce45e02012-12-06 10:33:10 +00004328 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane30372c2007-07-16 18:26:23 -07004329 bp->flash_info = &flash_5709;
4330 goto get_flash_size;
4331 }
4332
Michael Chanb6016b72005-05-26 13:03:09 -07004333 /* Determine the selected interface. */
Michael Chane503e062012-12-06 10:33:08 +00004334 val = BNX2_RD(bp, BNX2_NVM_CFG1);
Michael Chanb6016b72005-05-26 13:03:09 -07004335
Denis Chengff8ac602007-09-02 18:30:18 +08004336 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004337
Michael Chanb6016b72005-05-26 13:03:09 -07004338 if (val & 0x40000000) {
4339
4340 /* Flash interface has been reconfigured */
4341 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004342 j++, flash++) {
4343 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4344 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004345 bp->flash_info = flash;
4346 break;
4347 }
4348 }
4349 }
4350 else {
Michael Chan37137702005-11-04 08:49:17 -08004351 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004352 /* Not yet been reconfigured */
4353
Michael Chan37137702005-11-04 08:49:17 -08004354 if (val & (1 << 23))
4355 mask = FLASH_BACKUP_STRAP_MASK;
4356 else
4357 mask = FLASH_STRAP_MASK;
4358
Michael Chanb6016b72005-05-26 13:03:09 -07004359 for (j = 0, flash = &flash_table[0]; j < entry_count;
4360 j++, flash++) {
4361
Michael Chan37137702005-11-04 08:49:17 -08004362 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004363 bp->flash_info = flash;
4364
4365 /* Request access to the flash interface. */
4366 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4367 return rc;
4368
4369 /* Enable access to flash interface */
4370 bnx2_enable_nvram_access(bp);
4371
4372 /* Reconfigure the flash interface */
Michael Chane503e062012-12-06 10:33:08 +00004373 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
4374 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
4375 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
4376 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
Michael Chanb6016b72005-05-26 13:03:09 -07004377
4378 /* Disable access to flash interface */
4379 bnx2_disable_nvram_access(bp);
4380 bnx2_release_nvram_lock(bp);
4381
4382 break;
4383 }
4384 }
4385 } /* if (val & 0x40000000) */
4386
4387 if (j == entry_count) {
4388 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004389 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004390 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004391 }
4392
Michael Chane30372c2007-07-16 18:26:23 -07004393get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004394 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004395 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4396 if (val)
4397 bp->flash_size = val;
4398 else
4399 bp->flash_size = bp->flash_info->total_size;
4400
Michael Chanb6016b72005-05-26 13:03:09 -07004401 return rc;
4402}
4403
4404static int
4405bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4406 int buf_size)
4407{
4408 int rc = 0;
4409 u32 cmd_flags, offset32, len32, extra;
4410
4411 if (buf_size == 0)
4412 return 0;
4413
4414 /* Request access to the flash interface. */
4415 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4416 return rc;
4417
4418 /* Enable access to flash interface */
4419 bnx2_enable_nvram_access(bp);
4420
4421 len32 = buf_size;
4422 offset32 = offset;
4423 extra = 0;
4424
4425 cmd_flags = 0;
4426
4427 if (offset32 & 3) {
4428 u8 buf[4];
4429 u32 pre_len;
4430
4431 offset32 &= ~3;
4432 pre_len = 4 - (offset & 3);
4433
4434 if (pre_len >= len32) {
4435 pre_len = len32;
4436 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4437 BNX2_NVM_COMMAND_LAST;
4438 }
4439 else {
4440 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4441 }
4442
4443 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4444
4445 if (rc)
4446 return rc;
4447
4448 memcpy(ret_buf, buf + (offset & 3), pre_len);
4449
4450 offset32 += 4;
4451 ret_buf += pre_len;
4452 len32 -= pre_len;
4453 }
4454 if (len32 & 3) {
4455 extra = 4 - (len32 & 3);
4456 len32 = (len32 + 4) & ~3;
4457 }
4458
4459 if (len32 == 4) {
4460 u8 buf[4];
4461
4462 if (cmd_flags)
4463 cmd_flags = BNX2_NVM_COMMAND_LAST;
4464 else
4465 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4466 BNX2_NVM_COMMAND_LAST;
4467
4468 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4469
4470 memcpy(ret_buf, buf, 4 - extra);
4471 }
4472 else if (len32 > 0) {
4473 u8 buf[4];
4474
4475 /* Read the first word. */
4476 if (cmd_flags)
4477 cmd_flags = 0;
4478 else
4479 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4480
4481 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4482
4483 /* Advance to the next dword. */
4484 offset32 += 4;
4485 ret_buf += 4;
4486 len32 -= 4;
4487
4488 while (len32 > 4 && rc == 0) {
4489 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4490
4491 /* Advance to the next dword. */
4492 offset32 += 4;
4493 ret_buf += 4;
4494 len32 -= 4;
4495 }
4496
4497 if (rc)
4498 return rc;
4499
4500 cmd_flags = BNX2_NVM_COMMAND_LAST;
4501 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4502
4503 memcpy(ret_buf, buf, 4 - extra);
4504 }
4505
4506 /* Disable access to flash interface */
4507 bnx2_disable_nvram_access(bp);
4508
4509 bnx2_release_nvram_lock(bp);
4510
4511 return rc;
4512}
4513
4514static int
4515bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4516 int buf_size)
4517{
4518 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004519 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004520 int rc = 0;
4521 int align_start, align_end;
4522
4523 buf = data_buf;
4524 offset32 = offset;
4525 len32 = buf_size;
4526 align_start = align_end = 0;
4527
4528 if ((align_start = (offset32 & 3))) {
4529 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004530 len32 += align_start;
4531 if (len32 < 4)
4532 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004533 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4534 return rc;
4535 }
4536
4537 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004538 align_end = 4 - (len32 & 3);
4539 len32 += align_end;
4540 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4541 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004542 }
4543
4544 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004545 align_buf = kmalloc(len32, GFP_KERNEL);
4546 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004547 return -ENOMEM;
4548 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004549 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004550 }
4551 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004552 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004553 }
Michael Chane6be7632007-01-08 19:56:13 -08004554 memcpy(align_buf + align_start, data_buf, buf_size);
4555 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004556 }
4557
Michael Chane30372c2007-07-16 18:26:23 -07004558 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004559 flash_buffer = kmalloc(264, GFP_KERNEL);
4560 if (flash_buffer == NULL) {
4561 rc = -ENOMEM;
4562 goto nvram_write_end;
4563 }
4564 }
4565
Michael Chanb6016b72005-05-26 13:03:09 -07004566 written = 0;
4567 while ((written < len32) && (rc == 0)) {
4568 u32 page_start, page_end, data_start, data_end;
4569 u32 addr, cmd_flags;
4570 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004571
4572 /* Find the page_start addr */
4573 page_start = offset32 + written;
4574 page_start -= (page_start % bp->flash_info->page_size);
4575 /* Find the page_end addr */
4576 page_end = page_start + bp->flash_info->page_size;
4577 /* Find the data_start addr */
4578 data_start = (written == 0) ? offset32 : page_start;
4579 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004580 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004581 (offset32 + len32) : page_end;
4582
4583 /* Request access to the flash interface. */
4584 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4585 goto nvram_write_end;
4586
4587 /* Enable access to flash interface */
4588 bnx2_enable_nvram_access(bp);
4589
4590 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004591 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004592 int j;
4593
4594 /* Read the whole page into the buffer
4595 * (non-buffer flash only) */
4596 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4597 if (j == (bp->flash_info->page_size - 4)) {
4598 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4599 }
4600 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004601 page_start + j,
4602 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004603 cmd_flags);
4604
4605 if (rc)
4606 goto nvram_write_end;
4607
4608 cmd_flags = 0;
4609 }
4610 }
4611
4612 /* Enable writes to flash interface (unlock write-protect) */
4613 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4614 goto nvram_write_end;
4615
Michael Chanb6016b72005-05-26 13:03:09 -07004616 /* Loop to write back the buffer data from page_start to
4617 * data_start */
4618 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004619 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004620 /* Erase the page */
4621 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4622 goto nvram_write_end;
4623
4624 /* Re-enable the write again for the actual write */
4625 bnx2_enable_nvram_write(bp);
4626
Michael Chanb6016b72005-05-26 13:03:09 -07004627 for (addr = page_start; addr < data_start;
4628 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004629
Michael Chanb6016b72005-05-26 13:03:09 -07004630 rc = bnx2_nvram_write_dword(bp, addr,
4631 &flash_buffer[i], cmd_flags);
4632
4633 if (rc != 0)
4634 goto nvram_write_end;
4635
4636 cmd_flags = 0;
4637 }
4638 }
4639
4640 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004641 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004642 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004643 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004644 (addr == data_end - 4))) {
4645
4646 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4647 }
4648 rc = bnx2_nvram_write_dword(bp, addr, buf,
4649 cmd_flags);
4650
4651 if (rc != 0)
4652 goto nvram_write_end;
4653
4654 cmd_flags = 0;
4655 buf += 4;
4656 }
4657
4658 /* Loop to write back the buffer data from data_end
4659 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004660 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004661 for (addr = data_end; addr < page_end;
4662 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004663
Michael Chanb6016b72005-05-26 13:03:09 -07004664 if (addr == page_end-4) {
4665 cmd_flags = BNX2_NVM_COMMAND_LAST;
4666 }
4667 rc = bnx2_nvram_write_dword(bp, addr,
4668 &flash_buffer[i], cmd_flags);
4669
4670 if (rc != 0)
4671 goto nvram_write_end;
4672
4673 cmd_flags = 0;
4674 }
4675 }
4676
4677 /* Disable writes to flash interface (lock write-protect) */
4678 bnx2_disable_nvram_write(bp);
4679
4680 /* Disable access to flash interface */
4681 bnx2_disable_nvram_access(bp);
4682 bnx2_release_nvram_lock(bp);
4683
4684 /* Increment written */
4685 written += data_end - data_start;
4686 }
4687
4688nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004689 kfree(flash_buffer);
4690 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004691 return rc;
4692}
4693
Michael Chan0d8a6572007-07-07 22:49:43 -07004694static void
Michael Chan7c62e832008-07-14 22:39:03 -07004695bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004696{
Michael Chan7c62e832008-07-14 22:39:03 -07004697 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004698
Michael Chan583c28e2008-01-21 19:51:35 -08004699 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004700 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4701
4702 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4703 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004704
Michael Chan2726d6e2008-01-29 21:35:05 -08004705 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004706 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4707 return;
4708
Michael Chan7c62e832008-07-14 22:39:03 -07004709 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4710 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4711 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4712 }
4713
4714 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4715 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4716 u32 link;
4717
Michael Chan583c28e2008-01-21 19:51:35 -08004718 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004719
Michael Chan7c62e832008-07-14 22:39:03 -07004720 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4721 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004722 bp->phy_port = PORT_FIBRE;
4723 else
4724 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004725
Michael Chan7c62e832008-07-14 22:39:03 -07004726 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4727 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004728 }
Michael Chan7c62e832008-07-14 22:39:03 -07004729
4730 if (netif_running(bp->dev) && sig)
4731 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004732}
4733
Michael Chanb4b36042007-12-20 19:59:30 -08004734static void
4735bnx2_setup_msix_tbl(struct bnx2 *bp)
4736{
Michael Chane503e062012-12-06 10:33:08 +00004737 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
Michael Chanb4b36042007-12-20 19:59:30 -08004738
Michael Chane503e062012-12-06 10:33:08 +00004739 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4740 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
Michael Chanb4b36042007-12-20 19:59:30 -08004741}
4742
Michael Chanb6016b72005-05-26 13:03:09 -07004743static int
4744bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4745{
4746 u32 val;
4747 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004748 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004749
4750 /* Wait for the current PCI transaction to complete before
4751 * issuing a reset. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004752 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
4753 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chane503e062012-12-06 10:33:08 +00004754 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4755 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4756 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4757 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4758 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4759 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
Eddie Waia5dac102010-11-24 13:48:54 +00004760 udelay(5);
4761 } else { /* 5709 */
Michael Chane503e062012-12-06 10:33:08 +00004762 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004763 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00004764 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4765 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004766
4767 for (i = 0; i < 100; i++) {
4768 msleep(1);
Michael Chane503e062012-12-06 10:33:08 +00004769 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
Eddie Waia5dac102010-11-24 13:48:54 +00004770 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4771 break;
4772 }
4773 }
Michael Chanb6016b72005-05-26 13:03:09 -07004774
Michael Chanb090ae22006-01-23 16:07:10 -08004775 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004776 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004777
Michael Chanb6016b72005-05-26 13:03:09 -07004778 /* Deposit a driver reset signature so the firmware knows that
4779 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004780 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4781 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004782
Michael Chanb6016b72005-05-26 13:03:09 -07004783 /* Do a dummy read to force the chip to complete all current transaction
4784 * before we issue a reset. */
Michael Chane503e062012-12-06 10:33:08 +00004785 val = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07004786
Michael Chan4ce45e02012-12-06 10:33:10 +00004787 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00004788 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4789 BNX2_RD(bp, BNX2_MISC_COMMAND);
Michael Chan234754d2006-11-19 14:11:41 -08004790 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004791
Michael Chan234754d2006-11-19 14:11:41 -08004792 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4793 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004794
Michael Chane503e062012-12-06 10:33:08 +00004795 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004796
Michael Chan234754d2006-11-19 14:11:41 -08004797 } else {
4798 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4799 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4800 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4801
4802 /* Chip reset. */
Michael Chane503e062012-12-06 10:33:08 +00004803 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chan234754d2006-11-19 14:11:41 -08004804
Michael Chan594a9df2007-08-28 15:39:42 -07004805 /* Reading back any register after chip reset will hang the
4806 * bus on 5706 A0 and A1. The msleep below provides plenty
4807 * of margin for write posting.
4808 */
Michael Chan4ce45e02012-12-06 10:33:10 +00004809 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4810 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
Arjan van de Ven8e545882007-08-28 14:34:43 -07004811 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004812
Michael Chan234754d2006-11-19 14:11:41 -08004813 /* Reset takes approximate 30 usec */
4814 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00004815 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
Michael Chan234754d2006-11-19 14:11:41 -08004816 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4817 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4818 break;
4819 udelay(10);
4820 }
4821
4822 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4823 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004824 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004825 return -EBUSY;
4826 }
Michael Chanb6016b72005-05-26 13:03:09 -07004827 }
4828
4829 /* Make sure byte swapping is properly configured. */
Michael Chane503e062012-12-06 10:33:08 +00004830 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
Michael Chanb6016b72005-05-26 13:03:09 -07004831 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004832 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004833 return -ENODEV;
4834 }
4835
Michael Chanb6016b72005-05-26 13:03:09 -07004836 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004837 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004838 if (rc)
4839 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004840
Michael Chan0d8a6572007-07-07 22:49:43 -07004841 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004842 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004843 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004844 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4845 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004846 bnx2_set_default_remote_link(bp);
4847 spin_unlock_bh(&bp->phy_lock);
4848
Michael Chan4ce45e02012-12-06 10:33:10 +00004849 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004850 /* Adjust the voltage regular to two steps lower. The default
4851 * of this register is 0x0000000e. */
Michael Chane503e062012-12-06 10:33:08 +00004852 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
Michael Chanb6016b72005-05-26 13:03:09 -07004853
4854 /* Remove bad rbuf memory from the free pool. */
4855 rc = bnx2_alloc_bad_rbuf(bp);
4856 }
4857
Michael Chanc441b8d2010-04-27 11:28:09 +00004858 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004859 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004860 /* Prevent MSIX table reads and write from timing out */
Michael Chane503e062012-12-06 10:33:08 +00004861 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
Michael Chanc441b8d2010-04-27 11:28:09 +00004862 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4863 }
Michael Chanb4b36042007-12-20 19:59:30 -08004864
Michael Chanb6016b72005-05-26 13:03:09 -07004865 return rc;
4866}
4867
4868static int
4869bnx2_init_chip(struct bnx2 *bp)
4870{
Michael Chand8026d92008-11-12 16:02:20 -08004871 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004872 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004873
4874 /* Make sure the interrupt is not active. */
Michael Chane503e062012-12-06 10:33:08 +00004875 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
Michael Chanb6016b72005-05-26 13:03:09 -07004876
4877 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4878 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4879#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004880 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004881#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004882 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004883 DMA_READ_CHANS << 12 |
4884 DMA_WRITE_CHANS << 16;
4885
4886 val |= (0x2 << 20) | (1 << 11);
4887
David S. Millerf86e82f2008-01-21 17:15:40 -08004888 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004889 val |= (1 << 23);
4890
Michael Chan4ce45e02012-12-06 10:33:10 +00004891 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
4892 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
4893 !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004894 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4895
Michael Chane503e062012-12-06 10:33:08 +00004896 BNX2_WR(bp, BNX2_DMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004897
Michael Chan4ce45e02012-12-06 10:33:10 +00004898 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00004899 val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004900 val |= BNX2_TDMA_CONFIG_ONE_DMA;
Michael Chane503e062012-12-06 10:33:08 +00004901 BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004902 }
4903
David S. Millerf86e82f2008-01-21 17:15:40 -08004904 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004905 u16 val16;
4906
4907 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4908 &val16);
4909 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4910 val16 & ~PCI_X_CMD_ERO);
4911 }
4912
Michael Chane503e062012-12-06 10:33:08 +00004913 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4914 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4915 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4916 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004917
4918 /* Initialize context mapping and zero out the quick contexts. The
4919 * context block must have already been enabled. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004920 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan641bdcd2007-06-04 21:22:24 -07004921 rc = bnx2_init_5709_context(bp);
4922 if (rc)
4923 return rc;
4924 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004925 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004926
Michael Chanfba9fe92006-06-12 22:21:25 -07004927 if ((rc = bnx2_init_cpus(bp)) != 0)
4928 return rc;
4929
Michael Chanb6016b72005-05-26 13:03:09 -07004930 bnx2_init_nvram(bp);
4931
Benjamin Li5fcaed02008-07-14 22:39:52 -07004932 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004933
Michael Chane503e062012-12-06 10:33:08 +00004934 val = BNX2_RD(bp, BNX2_MQ_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004935 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4936 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4ce45e02012-12-06 10:33:10 +00004937 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan4edd4732009-06-08 18:14:42 -07004938 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
Michael Chan4ce45e02012-12-06 10:33:10 +00004939 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
Michael Chan4edd4732009-06-08 18:14:42 -07004940 val |= BNX2_MQ_CONFIG_HALT_DIS;
4941 }
Michael Chan68c9f752007-04-24 15:35:53 -07004942
Michael Chane503e062012-12-06 10:33:08 +00004943 BNX2_WR(bp, BNX2_MQ_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004944
4945 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
Michael Chane503e062012-12-06 10:33:08 +00004946 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4947 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004948
Michael Chan2bc40782012-12-06 10:33:09 +00004949 val = (BNX2_PAGE_BITS - 8) << 24;
Michael Chane503e062012-12-06 10:33:08 +00004950 BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004951
4952 /* Configure page size. */
Michael Chane503e062012-12-06 10:33:08 +00004953 val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004954 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
Michael Chan2bc40782012-12-06 10:33:09 +00004955 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
Michael Chane503e062012-12-06 10:33:08 +00004956 BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004957
4958 val = bp->mac_addr[0] +
4959 (bp->mac_addr[1] << 8) +
4960 (bp->mac_addr[2] << 16) +
4961 bp->mac_addr[3] +
4962 (bp->mac_addr[4] << 8) +
4963 (bp->mac_addr[5] << 16);
Michael Chane503e062012-12-06 10:33:08 +00004964 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004965
4966 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004967 mtu = bp->dev->mtu;
4968 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004969 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4970 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004971 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004972
Michael Chand8026d92008-11-12 16:02:20 -08004973 if (mtu < 1500)
4974 mtu = 1500;
4975
4976 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4977 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4978 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4979
Michael Chan155d5562009-08-21 16:20:43 +00004980 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004981 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4982 bp->bnx2_napi[i].last_status_idx = 0;
4983
Michael Chanefba0182008-12-03 00:36:15 -08004984 bp->idle_chk_status_idx = 0xffff;
4985
Michael Chanb6016b72005-05-26 13:03:09 -07004986 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4987
4988 /* Set up how to generate a link change interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00004989 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07004990
Michael Chane503e062012-12-06 10:33:08 +00004991 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
4992 (u64) bp->status_blk_mapping & 0xffffffff);
4993 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004994
Michael Chane503e062012-12-06 10:33:08 +00004995 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4996 (u64) bp->stats_blk_mapping & 0xffffffff);
4997 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4998 (u64) bp->stats_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004999
Michael Chane503e062012-12-06 10:33:08 +00005000 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
5001 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005002
Michael Chane503e062012-12-06 10:33:08 +00005003 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
5004 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005005
Michael Chane503e062012-12-06 10:33:08 +00005006 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
5007 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005008
Michael Chane503e062012-12-06 10:33:08 +00005009 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005010
Michael Chane503e062012-12-06 10:33:08 +00005011 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005012
Michael Chane503e062012-12-06 10:33:08 +00005013 BNX2_WR(bp, BNX2_HC_COM_TICKS,
5014 (bp->com_ticks_int << 16) | bp->com_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005015
Michael Chane503e062012-12-06 10:33:08 +00005016 BNX2_WR(bp, BNX2_HC_CMD_TICKS,
5017 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005018
Michael Chan61d9e3f2009-08-21 16:20:46 +00005019 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chane503e062012-12-06 10:33:08 +00005020 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
Michael Chan02537b062007-06-04 21:24:07 -07005021 else
Michael Chane503e062012-12-06 10:33:08 +00005022 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
5023 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
Michael Chanb6016b72005-05-26 13:03:09 -07005024
Michael Chan4ce45e02012-12-06 10:33:10 +00005025 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07005026 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005027 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07005028 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
5029 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005030 }
5031
Michael Chanefde73a2010-02-15 19:42:07 +00005032 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chane503e062012-12-06 10:33:08 +00005033 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
5034 BNX2_HC_MSIX_BIT_VECTOR_VAL);
Michael Chanc76c0472007-12-20 20:01:19 -08005035
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005036 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
5037 }
5038
5039 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00005040 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005041
Michael Chane503e062012-12-06 10:33:08 +00005042 BNX2_WR(bp, BNX2_HC_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005043
Michael Chan22fa1592010-10-11 16:12:00 -07005044 if (bp->rx_ticks < 25)
5045 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5046 else
5047 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5048
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005049 for (i = 1; i < bp->irq_nvecs; i++) {
5050 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5051 BNX2_HC_SB_CONFIG_1;
5052
Michael Chane503e062012-12-06 10:33:08 +00005053 BNX2_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08005054 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005055 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08005056 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5057
Michael Chane503e062012-12-06 10:33:08 +00005058 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005059 (bp->tx_quick_cons_trip_int << 16) |
5060 bp->tx_quick_cons_trip);
5061
Michael Chane503e062012-12-06 10:33:08 +00005062 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005063 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5064
Michael Chane503e062012-12-06 10:33:08 +00005065 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5066 (bp->rx_quick_cons_trip_int << 16) |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005067 bp->rx_quick_cons_trip);
5068
Michael Chane503e062012-12-06 10:33:08 +00005069 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005070 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08005071 }
5072
Michael Chanb6016b72005-05-26 13:03:09 -07005073 /* Clear internal stats counters. */
Michael Chane503e062012-12-06 10:33:08 +00005074 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005075
Michael Chane503e062012-12-06 10:33:08 +00005076 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07005077
5078 /* Initialize the receive filter. */
5079 bnx2_set_rx_mode(bp->dev);
5080
Michael Chan4ce45e02012-12-06 10:33:10 +00005081 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005082 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Michael Chan0aa38df2007-06-04 21:23:06 -07005083 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00005084 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
Michael Chan0aa38df2007-06-04 21:23:06 -07005085 }
Michael Chanb090ae22006-01-23 16:07:10 -08005086 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07005087 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005088
Michael Chane503e062012-12-06 10:33:08 +00005089 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5090 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
Michael Chanb6016b72005-05-26 13:03:09 -07005091
5092 udelay(20);
5093
Michael Chane503e062012-12-06 10:33:08 +00005094 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanbf5295b2006-03-23 01:11:56 -08005095
Michael Chanb090ae22006-01-23 16:07:10 -08005096 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005097}
5098
Michael Chan59b47d82006-11-19 14:10:45 -08005099static void
Michael Chanc76c0472007-12-20 20:01:19 -08005100bnx2_clear_ring_states(struct bnx2 *bp)
5101{
5102 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005103 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005104 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005105 int i;
5106
5107 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5108 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005109 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005110 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005111
Michael Chan35e90102008-06-19 16:37:42 -07005112 txr->tx_cons = 0;
5113 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005114 rxr->rx_prod_bseq = 0;
5115 rxr->rx_prod = 0;
5116 rxr->rx_cons = 0;
5117 rxr->rx_pg_prod = 0;
5118 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005119 }
5120}
5121
5122static void
Michael Chan35e90102008-06-19 16:37:42 -07005123bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005124{
5125 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005126 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005127
Michael Chan4ce45e02012-12-06 10:33:10 +00005128 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -08005129 offset0 = BNX2_L2CTX_TYPE_XI;
5130 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5131 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5132 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5133 } else {
5134 offset0 = BNX2_L2CTX_TYPE;
5135 offset1 = BNX2_L2CTX_CMD_TYPE;
5136 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5137 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5138 }
5139 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005140 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005141
5142 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005143 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005144
Michael Chan35e90102008-06-19 16:37:42 -07005145 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005146 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005147
Michael Chan35e90102008-06-19 16:37:42 -07005148 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005149 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005150}
Michael Chanb6016b72005-05-26 13:03:09 -07005151
5152static void
Michael Chan35e90102008-06-19 16:37:42 -07005153bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005154{
Michael Chan2bc40782012-12-06 10:33:09 +00005155 struct bnx2_tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005156 u32 cid = TX_CID;
5157 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005158 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005159
Michael Chan35e90102008-06-19 16:37:42 -07005160 bnapi = &bp->bnx2_napi[ring_num];
5161 txr = &bnapi->tx_ring;
5162
5163 if (ring_num == 0)
5164 cid = TX_CID;
5165 else
5166 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005167
Michael Chan2f8af122006-08-15 01:39:10 -07005168 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5169
Michael Chan2bc40782012-12-06 10:33:09 +00005170 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005171
Michael Chan35e90102008-06-19 16:37:42 -07005172 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5173 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005174
Michael Chan35e90102008-06-19 16:37:42 -07005175 txr->tx_prod = 0;
5176 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005177
Michael Chan35e90102008-06-19 16:37:42 -07005178 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5179 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005180
Michael Chan35e90102008-06-19 16:37:42 -07005181 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005182}
5183
5184static void
Michael Chan2bc40782012-12-06 10:33:09 +00005185bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
5186 u32 buf_size, int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005187{
Michael Chanb6016b72005-05-26 13:03:09 -07005188 int i;
Michael Chan2bc40782012-12-06 10:33:09 +00005189 struct bnx2_rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005190
Michael Chan5d5d0012007-12-12 11:17:43 -08005191 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005192 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005193
Michael Chan5d5d0012007-12-12 11:17:43 -08005194 rxbd = &rx_ring[i][0];
Michael Chan2bc40782012-12-06 10:33:09 +00005195 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005196 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005197 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5198 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005199 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005200 j = 0;
5201 else
5202 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005203 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5204 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005205 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005206}
5207
5208static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005209bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005210{
5211 int i;
5212 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005213 u32 cid, rx_cid_addr, val;
5214 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5215 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005216
Michael Chanbb4f98a2008-06-19 16:38:19 -07005217 if (ring_num == 0)
5218 cid = RX_CID;
5219 else
5220 cid = RX_RSS_CID + ring_num - 1;
5221
5222 rx_cid_addr = GET_CID_ADDR(cid);
5223
5224 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005225 bp->rx_buf_use_size, bp->rx_max_ring);
5226
Michael Chanbb4f98a2008-06-19 16:38:19 -07005227 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005228
Michael Chan4ce45e02012-12-06 10:33:10 +00005229 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005230 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
5231 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
Michael Chan83e3fc82008-01-29 21:37:17 -08005232 }
5233
Michael Chan62a83132008-01-29 21:35:40 -08005234 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005235 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005236 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5237 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005238 PAGE_SIZE, bp->rx_max_pg_ring);
5239 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005240 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5241 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005242 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005243
Michael Chanbb4f98a2008-06-19 16:38:19 -07005244 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005245 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005246
Michael Chanbb4f98a2008-06-19 16:38:19 -07005247 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005248 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005249
Michael Chan4ce45e02012-12-06 10:33:10 +00005250 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chane503e062012-12-06 10:33:08 +00005251 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
Michael Chan47bf4242007-12-12 11:19:12 -08005252 }
Michael Chanb6016b72005-05-26 13:03:09 -07005253
Michael Chanbb4f98a2008-06-19 16:38:19 -07005254 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005255 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005256
Michael Chanbb4f98a2008-06-19 16:38:19 -07005257 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005258 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005259
Michael Chanbb4f98a2008-06-19 16:38:19 -07005260 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005261 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005262 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005263 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5264 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005265 break;
Michael Chanb929e532009-12-03 09:46:33 +00005266 }
Michael Chan2bc40782012-12-06 10:33:09 +00005267 prod = BNX2_NEXT_RX_BD(prod);
5268 ring_prod = BNX2_RX_PG_RING_IDX(prod);
Michael Chan47bf4242007-12-12 11:19:12 -08005269 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005270 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005271
Michael Chanbb4f98a2008-06-19 16:38:19 -07005272 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005273 for (i = 0; i < bp->rx_ring_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005274 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005275 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5276 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005277 break;
Michael Chanb929e532009-12-03 09:46:33 +00005278 }
Michael Chan2bc40782012-12-06 10:33:09 +00005279 prod = BNX2_NEXT_RX_BD(prod);
5280 ring_prod = BNX2_RX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07005281 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005282 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005283
Michael Chanbb4f98a2008-06-19 16:38:19 -07005284 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5285 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5286 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005287
Michael Chane503e062012-12-06 10:33:08 +00005288 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5289 BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005290
Michael Chane503e062012-12-06 10:33:08 +00005291 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005292}
5293
Michael Chan35e90102008-06-19 16:37:42 -07005294static void
5295bnx2_init_all_rings(struct bnx2 *bp)
5296{
5297 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005298 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005299
5300 bnx2_clear_ring_states(bp);
5301
Michael Chane503e062012-12-06 10:33:08 +00005302 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
Michael Chan35e90102008-06-19 16:37:42 -07005303 for (i = 0; i < bp->num_tx_rings; i++)
5304 bnx2_init_tx_ring(bp, i);
5305
5306 if (bp->num_tx_rings > 1)
Michael Chane503e062012-12-06 10:33:08 +00005307 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5308 (TX_TSS_CID << 7));
Michael Chan35e90102008-06-19 16:37:42 -07005309
Michael Chane503e062012-12-06 10:33:08 +00005310 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005311 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5312
Michael Chanbb4f98a2008-06-19 16:38:19 -07005313 for (i = 0; i < bp->num_rx_rings; i++)
5314 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005315
5316 if (bp->num_rx_rings > 1) {
Michael Chan22fa1592010-10-11 16:12:00 -07005317 u32 tbl_32 = 0;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005318
5319 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
Michael Chan22fa1592010-10-11 16:12:00 -07005320 int shift = (i % 8) << 2;
5321
5322 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5323 if ((i % 8) == 7) {
Michael Chane503e062012-12-06 10:33:08 +00005324 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5325 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
Michael Chan22fa1592010-10-11 16:12:00 -07005326 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5327 BNX2_RLUP_RSS_COMMAND_WRITE |
5328 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5329 tbl_32 = 0;
5330 }
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005331 }
5332
5333 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5334 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5335
Michael Chane503e062012-12-06 10:33:08 +00005336 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005337
5338 }
Michael Chan35e90102008-06-19 16:37:42 -07005339}
5340
Michael Chan5d5d0012007-12-12 11:17:43 -08005341static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005342{
Michael Chan5d5d0012007-12-12 11:17:43 -08005343 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005344
Michael Chan2bc40782012-12-06 10:33:09 +00005345 while (ring_size > BNX2_MAX_RX_DESC_CNT) {
5346 ring_size -= BNX2_MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005347 num_rings++;
5348 }
5349 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005350 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005351 while ((max & num_rings) == 0)
5352 max >>= 1;
5353
5354 if (num_rings != max)
5355 max <<= 1;
5356
Michael Chan5d5d0012007-12-12 11:17:43 -08005357 return max;
5358}
5359
5360static void
5361bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5362{
Michael Chan84eaa182007-12-12 11:19:57 -08005363 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005364
5365 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005366 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005367
Michael Chan84eaa182007-12-12 11:19:57 -08005368 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005369 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Michael Chan84eaa182007-12-12 11:19:57 -08005370
Benjamin Li601d3d12008-05-16 22:19:35 -07005371 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005372 bp->rx_pg_ring_size = 0;
5373 bp->rx_max_pg_ring = 0;
5374 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005375 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005376 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5377
5378 jumbo_size = size * pages;
Michael Chan2bc40782012-12-06 10:33:09 +00005379 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
5380 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chan84eaa182007-12-12 11:19:57 -08005381
5382 bp->rx_pg_ring_size = jumbo_size;
5383 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
Michael Chan2bc40782012-12-06 10:33:09 +00005384 BNX2_MAX_RX_PG_RINGS);
5385 bp->rx_max_pg_ring_idx =
5386 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005387 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005388 bp->rx_copy_thresh = 0;
5389 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005390
5391 bp->rx_buf_use_size = rx_size;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005392 /* hw alignment + build_skb() overhead*/
5393 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5394 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005395 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005396 bp->rx_ring_size = size;
Michael Chan2bc40782012-12-06 10:33:09 +00005397 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
5398 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005399}
5400
5401static void
Michael Chanb6016b72005-05-26 13:03:09 -07005402bnx2_free_tx_skbs(struct bnx2 *bp)
5403{
5404 int i;
5405
Michael Chan35e90102008-06-19 16:37:42 -07005406 for (i = 0; i < bp->num_tx_rings; i++) {
5407 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5408 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5409 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005410
Michael Chan35e90102008-06-19 16:37:42 -07005411 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005412 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005413
Michael Chan2bc40782012-12-06 10:33:09 +00005414 for (j = 0; j < BNX2_TX_DESC_CNT; ) {
5415 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005416 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005417 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005418
5419 if (skb == NULL) {
Michael Chan2bc40782012-12-06 10:33:09 +00005420 j = BNX2_NEXT_TX_BD(j);
Michael Chan35e90102008-06-19 16:37:42 -07005421 continue;
5422 }
5423
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005424 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005425 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005426 skb_headlen(skb),
5427 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005428
Michael Chan35e90102008-06-19 16:37:42 -07005429 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005430
Alexander Duycke95524a2009-12-02 16:47:57 +00005431 last = tx_buf->nr_frags;
Michael Chan2bc40782012-12-06 10:33:09 +00005432 j = BNX2_NEXT_TX_BD(j);
5433 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
5434 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005435 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005436 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00005437 skb_frag_size(&skb_shinfo(skb)->frags[k]),
Alexander Duycke95524a2009-12-02 16:47:57 +00005438 PCI_DMA_TODEVICE);
5439 }
Michael Chan35e90102008-06-19 16:37:42 -07005440 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005441 }
Eric Dumazete9831902011-11-29 11:53:05 +00005442 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
Michael Chanb6016b72005-05-26 13:03:09 -07005443 }
Michael Chanb6016b72005-05-26 13:03:09 -07005444}
5445
5446static void
5447bnx2_free_rx_skbs(struct bnx2 *bp)
5448{
5449 int i;
5450
Michael Chanbb4f98a2008-06-19 16:38:19 -07005451 for (i = 0; i < bp->num_rx_rings; i++) {
5452 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5453 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5454 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005455
Michael Chanbb4f98a2008-06-19 16:38:19 -07005456 if (rxr->rx_buf_ring == NULL)
5457 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005458
Michael Chanbb4f98a2008-06-19 16:38:19 -07005459 for (j = 0; j < bp->rx_max_ring_idx; j++) {
Michael Chan2bc40782012-12-06 10:33:09 +00005460 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005461 u8 *data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005462
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005463 if (data == NULL)
Michael Chanbb4f98a2008-06-19 16:38:19 -07005464 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005465
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005466 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005467 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005468 bp->rx_buf_use_size,
5469 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005470
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005471 rx_buf->data = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005472
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005473 kfree(data);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005474 }
5475 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5476 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005477 }
5478}
5479
5480static void
5481bnx2_free_skbs(struct bnx2 *bp)
5482{
5483 bnx2_free_tx_skbs(bp);
5484 bnx2_free_rx_skbs(bp);
5485}
5486
5487static int
5488bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5489{
5490 int rc;
5491
5492 rc = bnx2_reset_chip(bp, reset_code);
5493 bnx2_free_skbs(bp);
5494 if (rc)
5495 return rc;
5496
Michael Chanfba9fe92006-06-12 22:21:25 -07005497 if ((rc = bnx2_init_chip(bp)) != 0)
5498 return rc;
5499
Michael Chan35e90102008-06-19 16:37:42 -07005500 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005501 return 0;
5502}
5503
5504static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005505bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005506{
5507 int rc;
5508
5509 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5510 return rc;
5511
Michael Chan80be4432006-11-19 14:07:28 -08005512 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005513 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005514 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005515 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5516 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005517 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005518 return 0;
5519}
5520
5521static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005522bnx2_shutdown_chip(struct bnx2 *bp)
5523{
5524 u32 reset_code;
5525
5526 if (bp->flags & BNX2_FLAG_NO_WOL)
5527 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5528 else if (bp->wol)
5529 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5530 else
5531 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5532
5533 return bnx2_reset_chip(bp, reset_code);
5534}
5535
5536static int
Michael Chanb6016b72005-05-26 13:03:09 -07005537bnx2_test_registers(struct bnx2 *bp)
5538{
5539 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005540 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005541 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005542 u16 offset;
5543 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005544#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005545 u32 rw_mask;
5546 u32 ro_mask;
5547 } reg_tbl[] = {
5548 { 0x006c, 0, 0x00000000, 0x0000003f },
5549 { 0x0090, 0, 0xffffffff, 0x00000000 },
5550 { 0x0094, 0, 0x00000000, 0x00000000 },
5551
Michael Chan5bae30c2007-05-03 13:18:46 -07005552 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5553 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5554 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5555 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5556 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5557 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5558 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5559 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5560 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005561
Michael Chan5bae30c2007-05-03 13:18:46 -07005562 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5563 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5564 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5565 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5566 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5567 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005568
Michael Chan5bae30c2007-05-03 13:18:46 -07005569 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5570 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5571 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005572
5573 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005574 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005575
5576 { 0x1408, 0, 0x01c00800, 0x00000000 },
5577 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5578 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005579 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005580 { 0x14b0, 0, 0x00000002, 0x00000001 },
5581 { 0x14b8, 0, 0x00000000, 0x00000000 },
5582 { 0x14c0, 0, 0x00000000, 0x00000009 },
5583 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5584 { 0x14cc, 0, 0x00000000, 0x00000001 },
5585 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005586
5587 { 0x1800, 0, 0x00000000, 0x00000001 },
5588 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005589
5590 { 0x2800, 0, 0x00000000, 0x00000001 },
5591 { 0x2804, 0, 0x00000000, 0x00003f01 },
5592 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5593 { 0x2810, 0, 0xffff0000, 0x00000000 },
5594 { 0x2814, 0, 0xffff0000, 0x00000000 },
5595 { 0x2818, 0, 0xffff0000, 0x00000000 },
5596 { 0x281c, 0, 0xffff0000, 0x00000000 },
5597 { 0x2834, 0, 0xffffffff, 0x00000000 },
5598 { 0x2840, 0, 0x00000000, 0xffffffff },
5599 { 0x2844, 0, 0x00000000, 0xffffffff },
5600 { 0x2848, 0, 0xffffffff, 0x00000000 },
5601 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5602
5603 { 0x2c00, 0, 0x00000000, 0x00000011 },
5604 { 0x2c04, 0, 0x00000000, 0x00030007 },
5605
Michael Chanb6016b72005-05-26 13:03:09 -07005606 { 0x3c00, 0, 0x00000000, 0x00000001 },
5607 { 0x3c04, 0, 0x00000000, 0x00070000 },
5608 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5609 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5610 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5611 { 0x3c14, 0, 0x00000000, 0xffffffff },
5612 { 0x3c18, 0, 0x00000000, 0xffffffff },
5613 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5614 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005615
5616 { 0x5004, 0, 0x00000000, 0x0000007f },
5617 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005618
Michael Chanb6016b72005-05-26 13:03:09 -07005619 { 0x5c00, 0, 0x00000000, 0x00000001 },
5620 { 0x5c04, 0, 0x00000000, 0x0003000f },
5621 { 0x5c08, 0, 0x00000003, 0x00000000 },
5622 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5623 { 0x5c10, 0, 0x00000000, 0xffffffff },
5624 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5625 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5626 { 0x5c88, 0, 0x00000000, 0x00077373 },
5627 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5628
5629 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5630 { 0x680c, 0, 0xffffffff, 0x00000000 },
5631 { 0x6810, 0, 0xffffffff, 0x00000000 },
5632 { 0x6814, 0, 0xffffffff, 0x00000000 },
5633 { 0x6818, 0, 0xffffffff, 0x00000000 },
5634 { 0x681c, 0, 0xffffffff, 0x00000000 },
5635 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5636 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5637 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5638 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5639 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5640 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5641 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5642 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5643 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5644 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5645 { 0x684c, 0, 0xffffffff, 0x00000000 },
5646 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5647 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5648 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5649 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5650 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5651 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5652
5653 { 0xffff, 0, 0x00000000, 0x00000000 },
5654 };
5655
5656 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005657 is_5709 = 0;
Michael Chan4ce45e02012-12-06 10:33:10 +00005658 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005659 is_5709 = 1;
5660
Michael Chanb6016b72005-05-26 13:03:09 -07005661 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5662 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005663 u16 flags = reg_tbl[i].flags;
5664
5665 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5666 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005667
5668 offset = (u32) reg_tbl[i].offset;
5669 rw_mask = reg_tbl[i].rw_mask;
5670 ro_mask = reg_tbl[i].ro_mask;
5671
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005672 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005673
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005674 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005675
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005676 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005677 if ((val & rw_mask) != 0) {
5678 goto reg_test_err;
5679 }
5680
5681 if ((val & ro_mask) != (save_val & ro_mask)) {
5682 goto reg_test_err;
5683 }
5684
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005685 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005686
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005687 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005688 if ((val & rw_mask) != rw_mask) {
5689 goto reg_test_err;
5690 }
5691
5692 if ((val & ro_mask) != (save_val & ro_mask)) {
5693 goto reg_test_err;
5694 }
5695
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005696 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005697 continue;
5698
5699reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005700 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005701 ret = -ENODEV;
5702 break;
5703 }
5704 return ret;
5705}
5706
5707static int
5708bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5709{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005710 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005711 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5712 int i;
5713
5714 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5715 u32 offset;
5716
5717 for (offset = 0; offset < size; offset += 4) {
5718
Michael Chan2726d6e2008-01-29 21:35:05 -08005719 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005720
Michael Chan2726d6e2008-01-29 21:35:05 -08005721 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005722 test_pattern[i]) {
5723 return -ENODEV;
5724 }
5725 }
5726 }
5727 return 0;
5728}
5729
5730static int
5731bnx2_test_memory(struct bnx2 *bp)
5732{
5733 int ret = 0;
5734 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005735 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005736 u32 offset;
5737 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005738 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005739 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005740 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005741 { 0xe0000, 0x4000 },
5742 { 0x120000, 0x4000 },
5743 { 0x1a0000, 0x4000 },
5744 { 0x160000, 0x4000 },
5745 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005746 },
5747 mem_tbl_5709[] = {
5748 { 0x60000, 0x4000 },
5749 { 0xa0000, 0x3000 },
5750 { 0xe0000, 0x4000 },
5751 { 0x120000, 0x4000 },
5752 { 0x1a0000, 0x4000 },
5753 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005754 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005755 struct mem_entry *mem_tbl;
5756
Michael Chan4ce45e02012-12-06 10:33:10 +00005757 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005758 mem_tbl = mem_tbl_5709;
5759 else
5760 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005761
5762 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5763 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5764 mem_tbl[i].len)) != 0) {
5765 return ret;
5766 }
5767 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005768
Michael Chanb6016b72005-05-26 13:03:09 -07005769 return ret;
5770}
5771
Michael Chanbc5a0692006-01-23 16:13:22 -08005772#define BNX2_MAC_LOOPBACK 0
5773#define BNX2_PHY_LOOPBACK 1
5774
Michael Chanb6016b72005-05-26 13:03:09 -07005775static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005776bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005777{
5778 unsigned int pkt_size, num_pkts, i;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005779 struct sk_buff *skb;
5780 u8 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07005781 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005782 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005783 dma_addr_t map;
Michael Chan2bc40782012-12-06 10:33:09 +00005784 struct bnx2_tx_bd *txbd;
5785 struct bnx2_sw_bd *rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07005786 struct l2_fhdr *rx_hdr;
5787 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005788 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005789 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005790 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005791
5792 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005793
Michael Chan35e90102008-06-19 16:37:42 -07005794 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005795 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005796 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5797 bp->loopback = MAC_LOOPBACK;
5798 bnx2_set_mac_loopback(bp);
5799 }
5800 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005801 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005802 return 0;
5803
Michael Chan80be4432006-11-19 14:07:28 -08005804 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005805 bnx2_set_phy_loopback(bp);
5806 }
5807 else
5808 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005809
Michael Chan84eaa182007-12-12 11:19:57 -08005810 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005811 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005812 if (!skb)
5813 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005814 packet = skb_put(skb, pkt_size);
Joe Perchesd458cdf2013-10-01 19:04:40 -07005815 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
5816 memset(packet + ETH_ALEN, 0x0, 8);
Michael Chanb6016b72005-05-26 13:03:09 -07005817 for (i = 14; i < pkt_size; i++)
5818 packet[i] = (unsigned char) (i & 0xff);
5819
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005820 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5821 PCI_DMA_TODEVICE);
5822 if (dma_mapping_error(&bp->pdev->dev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005823 dev_kfree_skb(skb);
5824 return -EIO;
5825 }
Michael Chanb6016b72005-05-26 13:03:09 -07005826
Michael Chane503e062012-12-06 10:33:08 +00005827 BNX2_WR(bp, BNX2_HC_COMMAND,
5828 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005829
Michael Chane503e062012-12-06 10:33:08 +00005830 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005831
5832 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005833 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005834
Michael Chanb6016b72005-05-26 13:03:09 -07005835 num_pkts = 0;
5836
Michael Chan2bc40782012-12-06 10:33:09 +00005837 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005838
5839 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5840 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5841 txbd->tx_bd_mss_nbytes = pkt_size;
5842 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5843
5844 num_pkts++;
Michael Chan2bc40782012-12-06 10:33:09 +00005845 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
Michael Chan35e90102008-06-19 16:37:42 -07005846 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005847
Michael Chane503e062012-12-06 10:33:08 +00005848 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5849 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005850
5851 udelay(100);
5852
Michael Chane503e062012-12-06 10:33:08 +00005853 BNX2_WR(bp, BNX2_HC_COMMAND,
5854 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005855
Michael Chane503e062012-12-06 10:33:08 +00005856 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005857
5858 udelay(5);
5859
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005860 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005861 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005862
Michael Chan35e90102008-06-19 16:37:42 -07005863 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005864 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005865
Michael Chan35efa7c2007-12-20 19:56:37 -08005866 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005867 if (rx_idx != rx_start_idx + num_pkts) {
5868 goto loopback_test_done;
5869 }
5870
Michael Chanbb4f98a2008-06-19 16:38:19 -07005871 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005872 data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005873
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005874 rx_hdr = get_l2_fhdr(data);
5875 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
Michael Chanb6016b72005-05-26 13:03:09 -07005876
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005877 dma_sync_single_for_cpu(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005878 dma_unmap_addr(rx_buf, mapping),
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005879 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005880
Michael Chanade2bfe2006-01-23 16:09:51 -08005881 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005882 (L2_FHDR_ERRORS_BAD_CRC |
5883 L2_FHDR_ERRORS_PHY_DECODE |
5884 L2_FHDR_ERRORS_ALIGNMENT |
5885 L2_FHDR_ERRORS_TOO_SHORT |
5886 L2_FHDR_ERRORS_GIANT_FRAME)) {
5887
5888 goto loopback_test_done;
5889 }
5890
5891 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5892 goto loopback_test_done;
5893 }
5894
5895 for (i = 14; i < pkt_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005896 if (*(data + i) != (unsigned char) (i & 0xff)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005897 goto loopback_test_done;
5898 }
5899 }
5900
5901 ret = 0;
5902
5903loopback_test_done:
5904 bp->loopback = 0;
5905 return ret;
5906}
5907
Michael Chanbc5a0692006-01-23 16:13:22 -08005908#define BNX2_MAC_LOOPBACK_FAILED 1
5909#define BNX2_PHY_LOOPBACK_FAILED 2
5910#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5911 BNX2_PHY_LOOPBACK_FAILED)
5912
5913static int
5914bnx2_test_loopback(struct bnx2 *bp)
5915{
5916 int rc = 0;
5917
5918 if (!netif_running(bp->dev))
5919 return BNX2_LOOPBACK_FAILED;
5920
5921 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5922 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005923 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005924 spin_unlock_bh(&bp->phy_lock);
5925 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5926 rc |= BNX2_MAC_LOOPBACK_FAILED;
5927 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5928 rc |= BNX2_PHY_LOOPBACK_FAILED;
5929 return rc;
5930}
5931
Michael Chanb6016b72005-05-26 13:03:09 -07005932#define NVRAM_SIZE 0x200
5933#define CRC32_RESIDUAL 0xdebb20e3
5934
5935static int
5936bnx2_test_nvram(struct bnx2 *bp)
5937{
Al Virob491edd2007-12-22 19:44:51 +00005938 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005939 u8 *data = (u8 *) buf;
5940 int rc = 0;
5941 u32 magic, csum;
5942
5943 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5944 goto test_nvram_done;
5945
5946 magic = be32_to_cpu(buf[0]);
5947 if (magic != 0x669955aa) {
5948 rc = -ENODEV;
5949 goto test_nvram_done;
5950 }
5951
5952 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5953 goto test_nvram_done;
5954
5955 csum = ether_crc_le(0x100, data);
5956 if (csum != CRC32_RESIDUAL) {
5957 rc = -ENODEV;
5958 goto test_nvram_done;
5959 }
5960
5961 csum = ether_crc_le(0x100, data + 0x100);
5962 if (csum != CRC32_RESIDUAL) {
5963 rc = -ENODEV;
5964 }
5965
5966test_nvram_done:
5967 return rc;
5968}
5969
5970static int
5971bnx2_test_link(struct bnx2 *bp)
5972{
5973 u32 bmsr;
5974
Michael Chan9f52b562008-10-09 12:21:46 -07005975 if (!netif_running(bp->dev))
5976 return -ENODEV;
5977
Michael Chan583c28e2008-01-21 19:51:35 -08005978 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005979 if (bp->link_up)
5980 return 0;
5981 return -ENODEV;
5982 }
Michael Chanc770a652005-08-25 15:38:39 -07005983 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005984 bnx2_enable_bmsr1(bp);
5985 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5986 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5987 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005988 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005989
Michael Chanb6016b72005-05-26 13:03:09 -07005990 if (bmsr & BMSR_LSTATUS) {
5991 return 0;
5992 }
5993 return -ENODEV;
5994}
5995
5996static int
5997bnx2_test_intr(struct bnx2 *bp)
5998{
5999 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07006000 u16 status_idx;
6001
6002 if (!netif_running(bp->dev))
6003 return -ENODEV;
6004
Michael Chane503e062012-12-06 10:33:08 +00006005 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
Michael Chanb6016b72005-05-26 13:03:09 -07006006
6007 /* This register is not touched during run-time. */
Michael Chane503e062012-12-06 10:33:08 +00006008 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
6009 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07006010
6011 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00006012 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
Michael Chanb6016b72005-05-26 13:03:09 -07006013 status_idx) {
6014
6015 break;
6016 }
6017
6018 msleep_interruptible(10);
6019 }
6020 if (i < 10)
6021 return 0;
6022
6023 return -ENODEV;
6024}
6025
Michael Chan38ea3682008-02-23 19:48:57 -08006026/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08006027static int
6028bnx2_5706_serdes_has_link(struct bnx2 *bp)
6029{
6030 u32 mode_ctl, an_dbg, exp;
6031
Michael Chan38ea3682008-02-23 19:48:57 -08006032 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
6033 return 0;
6034
Michael Chanb2fadea2008-01-21 17:07:06 -08006035 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
6036 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
6037
6038 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
6039 return 0;
6040
6041 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6042 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6043 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6044
Michael Chanf3014c02008-01-29 21:33:03 -08006045 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08006046 return 0;
6047
6048 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6049 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6050 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6051
6052 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6053 return 0;
6054
6055 return 1;
6056}
6057
Michael Chanb6016b72005-05-26 13:03:09 -07006058static void
Michael Chan48b01e22006-11-19 14:08:00 -08006059bnx2_5706_serdes_timer(struct bnx2 *bp)
6060{
Michael Chanb2fadea2008-01-21 17:07:06 -08006061 int check_link = 1;
6062
Michael Chan48b01e22006-11-19 14:08:00 -08006063 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08006064 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08006065 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08006066 check_link = 0;
6067 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006068 u32 bmcr;
6069
Benjamin Liac392ab2008-09-18 16:40:49 -07006070 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006071
Michael Chanca58c3a2007-05-03 13:22:52 -07006072 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006073
6074 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006075 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006076 bmcr &= ~BMCR_ANENABLE;
6077 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07006078 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08006079 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006080 }
6081 }
6082 }
6083 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08006084 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006085 u32 phy2;
6086
6087 bnx2_write_phy(bp, 0x17, 0x0f01);
6088 bnx2_read_phy(bp, 0x15, &phy2);
6089 if (phy2 & 0x20) {
6090 u32 bmcr;
6091
Michael Chanca58c3a2007-05-03 13:22:52 -07006092 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006093 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07006094 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006095
Michael Chan583c28e2008-01-21 19:51:35 -08006096 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006097 }
6098 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006099 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006100
Michael Chana2724e22008-02-23 19:47:44 -08006101 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006102 u32 val;
6103
6104 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6105 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6106 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6107
Michael Chana2724e22008-02-23 19:47:44 -08006108 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6109 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6110 bnx2_5706s_force_link_dn(bp, 1);
6111 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6112 } else
6113 bnx2_set_link(bp);
6114 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6115 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006116 }
Michael Chan48b01e22006-11-19 14:08:00 -08006117 spin_unlock(&bp->phy_lock);
6118}
6119
6120static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006121bnx2_5708_serdes_timer(struct bnx2 *bp)
6122{
Michael Chan583c28e2008-01-21 19:51:35 -08006123 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006124 return;
6125
Michael Chan583c28e2008-01-21 19:51:35 -08006126 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006127 bp->serdes_an_pending = 0;
6128 return;
6129 }
6130
6131 spin_lock(&bp->phy_lock);
6132 if (bp->serdes_an_pending)
6133 bp->serdes_an_pending--;
6134 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6135 u32 bmcr;
6136
Michael Chanca58c3a2007-05-03 13:22:52 -07006137 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006138 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006139 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006140 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006141 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006142 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006143 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006144 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006145 }
6146
6147 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006148 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006149
6150 spin_unlock(&bp->phy_lock);
6151}
6152
6153static void
Michael Chanb6016b72005-05-26 13:03:09 -07006154bnx2_timer(unsigned long data)
6155{
6156 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006157
Michael Chancd339a02005-08-25 15:35:24 -07006158 if (!netif_running(bp->dev))
6159 return;
6160
Michael Chanb6016b72005-05-26 13:03:09 -07006161 if (atomic_read(&bp->intr_sem) != 0)
6162 goto bnx2_restart_timer;
6163
Michael Chanefba0182008-12-03 00:36:15 -08006164 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6165 BNX2_FLAG_USING_MSI)
6166 bnx2_chk_missed_msi(bp);
6167
Michael Chandf149d72007-07-07 22:51:36 -07006168 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006169
Michael Chan2726d6e2008-01-29 21:35:05 -08006170 bp->stats_blk->stat_FwRxDrop =
6171 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006172
Michael Chan02537b062007-06-04 21:24:07 -07006173 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006174 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chane503e062012-12-06 10:33:08 +00006175 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6176 BNX2_HC_COMMAND_STATS_NOW);
Michael Chan02537b062007-06-04 21:24:07 -07006177
Michael Chan583c28e2008-01-21 19:51:35 -08006178 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00006179 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chanf8dd0642006-11-19 14:08:29 -08006180 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006181 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006182 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006183 }
6184
6185bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006186 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006187}
6188
Michael Chan8e6a72c2007-05-03 13:24:48 -07006189static int
6190bnx2_request_irq(struct bnx2 *bp)
6191{
Michael Chan6d866ff2007-12-20 19:56:09 -08006192 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006193 struct bnx2_irq *irq;
6194 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006195
David S. Millerf86e82f2008-01-21 17:15:40 -08006196 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006197 flags = 0;
6198 else
6199 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006200
6201 for (i = 0; i < bp->irq_nvecs; i++) {
6202 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006203 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006204 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006205 if (rc)
6206 break;
6207 irq->requested = 1;
6208 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006209 return rc;
6210}
6211
6212static void
Michael Chana29ba9d2010-12-31 11:03:14 -08006213__bnx2_free_irq(struct bnx2 *bp)
Michael Chan8e6a72c2007-05-03 13:24:48 -07006214{
Michael Chanb4b36042007-12-20 19:59:30 -08006215 struct bnx2_irq *irq;
6216 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006217
Michael Chanb4b36042007-12-20 19:59:30 -08006218 for (i = 0; i < bp->irq_nvecs; i++) {
6219 irq = &bp->irq_tbl[i];
6220 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006221 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006222 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006223 }
Michael Chana29ba9d2010-12-31 11:03:14 -08006224}
6225
6226static void
6227bnx2_free_irq(struct bnx2 *bp)
6228{
6229
6230 __bnx2_free_irq(bp);
David S. Millerf86e82f2008-01-21 17:15:40 -08006231 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006232 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006233 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006234 pci_disable_msix(bp->pdev);
6235
David S. Millerf86e82f2008-01-21 17:15:40 -08006236 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006237}
6238
6239static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006240bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006241{
Alexander Gordeevf2a2dfe2014-02-18 11:07:53 +01006242 int i, total_vecs;
Michael Chan57851d82007-12-20 20:01:44 -08006243 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006244 struct net_device *dev = bp->dev;
6245 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006246
Michael Chanb4b36042007-12-20 19:59:30 -08006247 bnx2_setup_msix_tbl(bp);
Michael Chane503e062012-12-06 10:33:08 +00006248 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6249 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6250 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006251
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006252 /* Need to flush the previous three writes to ensure MSI-X
6253 * is setup properly */
Michael Chane503e062012-12-06 10:33:08 +00006254 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006255
Michael Chan57851d82007-12-20 20:01:44 -08006256 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6257 msix_ent[i].entry = i;
6258 msix_ent[i].vector = 0;
6259 }
6260
Michael Chan379b39a2010-07-19 14:15:03 +00006261 total_vecs = msix_vecs;
6262#ifdef BCM_CNIC
6263 total_vecs++;
6264#endif
Alexander Gordeevf2a2dfe2014-02-18 11:07:53 +01006265 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
6266 BNX2_MIN_MSIX_VEC, total_vecs);
6267 if (total_vecs < 0)
Michael Chan57851d82007-12-20 20:01:44 -08006268 return;
6269
Michael Chan379b39a2010-07-19 14:15:03 +00006270 msix_vecs = total_vecs;
6271#ifdef BCM_CNIC
6272 msix_vecs--;
6273#endif
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006274 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006275 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan379b39a2010-07-19 14:15:03 +00006276 for (i = 0; i < total_vecs; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006277 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006278 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6279 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6280 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006281}
6282
Ben Hutchings657d92f2010-09-27 08:25:16 +00006283static int
Michael Chan6d866ff2007-12-20 19:56:09 -08006284bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6285{
Yuval Mintz0a742122012-07-01 03:18:58 +00006286 int cpus = netif_get_num_default_rss_queues();
Michael Chanb0332812012-02-05 15:24:38 +00006287 int msix_vecs;
6288
6289 if (!bp->num_req_rx_rings)
6290 msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
6291 else if (!bp->num_req_tx_rings)
6292 msix_vecs = max(cpus, bp->num_req_rx_rings);
6293 else
6294 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
6295
6296 msix_vecs = min(msix_vecs, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006297
Michael Chan6d866ff2007-12-20 19:56:09 -08006298 bp->irq_tbl[0].handler = bnx2_interrupt;
6299 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006300 bp->irq_nvecs = 1;
6301 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006302
Michael Chan3d5f3a72010-07-03 20:42:15 +00006303 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006304 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006305
David S. Millerf86e82f2008-01-21 17:15:40 -08006306 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6307 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006308 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006309 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan4ce45e02012-12-06 10:33:10 +00006310 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006311 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006312 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6313 } else
6314 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006315
6316 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006317 }
6318 }
Benjamin Li706bf242008-07-18 17:55:11 -07006319
Michael Chanb0332812012-02-05 15:24:38 +00006320 if (!bp->num_req_tx_rings)
6321 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6322 else
6323 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
6324
6325 if (!bp->num_req_rx_rings)
6326 bp->num_rx_rings = bp->irq_nvecs;
6327 else
6328 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
6329
Ben Hutchings657d92f2010-09-27 08:25:16 +00006330 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
Benjamin Li706bf242008-07-18 17:55:11 -07006331
Ben Hutchings657d92f2010-09-27 08:25:16 +00006332 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006333}
6334
Michael Chanb6016b72005-05-26 13:03:09 -07006335/* Called with rtnl_lock */
6336static int
6337bnx2_open(struct net_device *dev)
6338{
Michael Chan972ec0d2006-01-23 16:12:43 -08006339 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006340 int rc;
6341
françois romieu7880b722011-09-30 00:36:52 +00006342 rc = bnx2_request_firmware(bp);
6343 if (rc < 0)
6344 goto out;
6345
Michael Chan1b2f9222007-05-03 13:20:19 -07006346 netif_carrier_off(dev);
6347
Michael Chanb6016b72005-05-26 13:03:09 -07006348 bnx2_disable_int(bp);
6349
Ben Hutchings657d92f2010-09-27 08:25:16 +00006350 rc = bnx2_setup_int_mode(bp, disable_msi);
6351 if (rc)
6352 goto open_err;
Benjamin Li4327ba42010-03-23 13:13:11 +00006353 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006354 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006355 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006356 if (rc)
6357 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006358
Michael Chan8e6a72c2007-05-03 13:24:48 -07006359 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006360 if (rc)
6361 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006362
Michael Chan9a120bc2008-05-16 22:17:45 -07006363 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006364 if (rc)
6365 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006366
Michael Chancd339a02005-08-25 15:35:24 -07006367 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006368
6369 atomic_set(&bp->intr_sem, 0);
6370
Michael Chan354fcd72010-01-17 07:30:44 +00006371 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6372
Michael Chanb6016b72005-05-26 13:03:09 -07006373 bnx2_enable_int(bp);
6374
David S. Millerf86e82f2008-01-21 17:15:40 -08006375 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006376 /* Test MSI to make sure it is working
6377 * If MSI test fails, go back to INTx mode
6378 */
6379 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006380 netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006381
6382 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006383 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006384
Michael Chan6d866ff2007-12-20 19:56:09 -08006385 bnx2_setup_int_mode(bp, 1);
6386
Michael Chan9a120bc2008-05-16 22:17:45 -07006387 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006388
Michael Chan8e6a72c2007-05-03 13:24:48 -07006389 if (!rc)
6390 rc = bnx2_request_irq(bp);
6391
Michael Chanb6016b72005-05-26 13:03:09 -07006392 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006393 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006394 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006395 }
6396 bnx2_enable_int(bp);
6397 }
6398 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006399 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006400 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006401 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006402 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006403
Benjamin Li706bf242008-07-18 17:55:11 -07006404 netif_tx_start_all_queues(dev);
françois romieu7880b722011-09-30 00:36:52 +00006405out:
6406 return rc;
Michael Chan2739a8b2008-06-19 16:44:10 -07006407
6408open_err:
6409 bnx2_napi_disable(bp);
6410 bnx2_free_skbs(bp);
6411 bnx2_free_irq(bp);
6412 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006413 bnx2_del_napi(bp);
françois romieu7880b722011-09-30 00:36:52 +00006414 bnx2_release_firmware(bp);
6415 goto out;
Michael Chanb6016b72005-05-26 13:03:09 -07006416}
6417
6418static void
David Howellsc4028952006-11-22 14:57:56 +00006419bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006420{
David Howellsc4028952006-11-22 14:57:56 +00006421 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chancd634012011-07-15 06:53:58 +00006422 int rc;
Michael Chanefdfad32012-07-16 14:25:56 +00006423 u16 pcicmd;
Michael Chanb6016b72005-05-26 13:03:09 -07006424
Michael Chan51bf6bb2009-12-03 09:46:31 +00006425 rtnl_lock();
6426 if (!netif_running(bp->dev)) {
6427 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006428 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006429 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006430
Michael Chan212f9932010-04-27 11:28:10 +00006431 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006432
Michael Chanefdfad32012-07-16 14:25:56 +00006433 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
6434 if (!(pcicmd & PCI_COMMAND_MEMORY)) {
6435 /* in case PCI block has reset */
6436 pci_restore_state(bp->pdev);
6437 pci_save_state(bp->pdev);
6438 }
Michael Chancd634012011-07-15 06:53:58 +00006439 rc = bnx2_init_nic(bp, 1);
6440 if (rc) {
6441 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6442 bnx2_napi_enable(bp);
6443 dev_close(bp->dev);
6444 rtnl_unlock();
6445 return;
6446 }
Michael Chanb6016b72005-05-26 13:03:09 -07006447
6448 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006449 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006450 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006451}
6452
Michael Chan555069d2012-06-16 15:45:41 +00006453#define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
6454
6455static void
6456bnx2_dump_ftq(struct bnx2 *bp)
6457{
6458 int i;
6459 u32 reg, bdidx, cid, valid;
6460 struct net_device *dev = bp->dev;
6461 static const struct ftq_reg {
6462 char *name;
6463 u32 off;
6464 } ftq_arr[] = {
6465 BNX2_FTQ_ENTRY(RV2P_P),
6466 BNX2_FTQ_ENTRY(RV2P_T),
6467 BNX2_FTQ_ENTRY(RV2P_M),
6468 BNX2_FTQ_ENTRY(TBDR_),
6469 BNX2_FTQ_ENTRY(TDMA_),
6470 BNX2_FTQ_ENTRY(TXP_),
6471 BNX2_FTQ_ENTRY(TXP_),
6472 BNX2_FTQ_ENTRY(TPAT_),
6473 BNX2_FTQ_ENTRY(RXP_C),
6474 BNX2_FTQ_ENTRY(RXP_),
6475 BNX2_FTQ_ENTRY(COM_COMXQ_),
6476 BNX2_FTQ_ENTRY(COM_COMTQ_),
6477 BNX2_FTQ_ENTRY(COM_COMQ_),
6478 BNX2_FTQ_ENTRY(CP_CPQ_),
6479 };
6480
6481 netdev_err(dev, "<--- start FTQ dump --->\n");
6482 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
6483 netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
6484 bnx2_reg_rd_ind(bp, ftq_arr[i].off));
6485
6486 netdev_err(dev, "CPU states:\n");
6487 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
6488 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
6489 reg, bnx2_reg_rd_ind(bp, reg),
6490 bnx2_reg_rd_ind(bp, reg + 4),
6491 bnx2_reg_rd_ind(bp, reg + 8),
6492 bnx2_reg_rd_ind(bp, reg + 0x1c),
6493 bnx2_reg_rd_ind(bp, reg + 0x1c),
6494 bnx2_reg_rd_ind(bp, reg + 0x20));
6495
6496 netdev_err(dev, "<--- end FTQ dump --->\n");
6497 netdev_err(dev, "<--- start TBDC dump --->\n");
6498 netdev_err(dev, "TBDC free cnt: %ld\n",
Michael Chane503e062012-12-06 10:33:08 +00006499 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
Michael Chan555069d2012-06-16 15:45:41 +00006500 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
6501 for (i = 0; i < 0x20; i++) {
6502 int j = 0;
6503
Michael Chane503e062012-12-06 10:33:08 +00006504 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
6505 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
6506 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
6507 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
6508 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
Michael Chan555069d2012-06-16 15:45:41 +00006509 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
6510 j++;
6511
Michael Chane503e062012-12-06 10:33:08 +00006512 cid = BNX2_RD(bp, BNX2_TBDC_CID);
6513 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
6514 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
Michael Chan555069d2012-06-16 15:45:41 +00006515 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
6516 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
6517 bdidx >> 24, (valid >> 8) & 0x0ff);
6518 }
6519 netdev_err(dev, "<--- end TBDC dump --->\n");
6520}
6521
Michael Chanb6016b72005-05-26 13:03:09 -07006522static void
Michael Chan20175c52009-12-03 09:46:32 +00006523bnx2_dump_state(struct bnx2 *bp)
6524{
6525 struct net_device *dev = bp->dev;
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006526 u32 val1, val2;
Michael Chan20175c52009-12-03 09:46:32 +00006527
Michael Chan5804a8f2010-07-03 20:42:17 +00006528 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6529 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6530 atomic_read(&bp->intr_sem), val1);
6531 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6532 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6533 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
Eddie Waib98eba52010-05-17 17:32:56 -07006534 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006535 BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
6536 BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
Eddie Waib98eba52010-05-17 17:32:56 -07006537 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006538 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006539 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006540 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006541 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006542 netdev_err(dev, "DEBUG: PBA[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006543 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006544}
6545
6546static void
Michael Chanb6016b72005-05-26 13:03:09 -07006547bnx2_tx_timeout(struct net_device *dev)
6548{
Michael Chan972ec0d2006-01-23 16:12:43 -08006549 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006550
Michael Chan555069d2012-06-16 15:45:41 +00006551 bnx2_dump_ftq(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006552 bnx2_dump_state(bp);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006553 bnx2_dump_mcp_state(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006554
Michael Chanb6016b72005-05-26 13:03:09 -07006555 /* This allows the netif to be shutdown gracefully before resetting */
6556 schedule_work(&bp->reset_task);
6557}
6558
Herbert Xu932ff272006-06-09 12:20:56 -07006559/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006560 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6561 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006562 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006563static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006564bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6565{
Michael Chan972ec0d2006-01-23 16:12:43 -08006566 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006567 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00006568 struct bnx2_tx_bd *txbd;
6569 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006570 u32 len, vlan_tag_flags, last_frag, mss;
6571 u16 prod, ring_prod;
6572 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006573 struct bnx2_napi *bnapi;
6574 struct bnx2_tx_ring_info *txr;
6575 struct netdev_queue *txq;
6576
6577 /* Determine which tx ring we will be placed on */
6578 i = skb_get_queue_mapping(skb);
6579 bnapi = &bp->bnx2_napi[i];
6580 txr = &bnapi->tx_ring;
6581 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006582
Michael Chan35e90102008-06-19 16:37:42 -07006583 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006584 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006585 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006586 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006587
6588 return NETDEV_TX_BUSY;
6589 }
6590 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006591 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006592 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07006593
6594 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006595 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006596 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6597 }
6598
Jesse Grosseab6d182010-10-20 13:56:03 +00006599 if (vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006600 vlan_tag_flags |=
6601 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6602 }
Jesse Gross7d0fd212010-10-20 13:56:09 +00006603
Michael Chanfde82052007-05-03 17:23:35 -07006604 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006605 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006606 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006607
Michael Chanb6016b72005-05-26 13:03:09 -07006608 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6609
Michael Chan4666f872007-05-03 13:22:28 -07006610 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006611
Michael Chan4666f872007-05-03 13:22:28 -07006612 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6613 u32 tcp_off = skb_transport_offset(skb) -
6614 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006615
Michael Chan4666f872007-05-03 13:22:28 -07006616 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6617 TX_BD_FLAGS_SW_FLAGS;
6618 if (likely(tcp_off == 0))
6619 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6620 else {
6621 tcp_off >>= 3;
6622 vlan_tag_flags |= ((tcp_off & 0x3) <<
6623 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6624 ((tcp_off & 0x10) <<
6625 TX_BD_FLAGS_TCP6_OFF4_SHL);
6626 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6627 }
6628 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006629 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006630 if (tcp_opt_len || (iph->ihl > 5)) {
6631 vlan_tag_flags |= ((iph->ihl - 5) +
6632 (tcp_opt_len >> 2)) << 8;
6633 }
Michael Chanb6016b72005-05-26 13:03:09 -07006634 }
Michael Chan4666f872007-05-03 13:22:28 -07006635 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006636 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006637
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006638 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6639 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07006640 dev_kfree_skb_any(skb);
Benjamin Li3d16af82008-10-09 12:26:41 -07006641 return NETDEV_TX_OK;
6642 }
6643
Michael Chan35e90102008-06-19 16:37:42 -07006644 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006645 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006646 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006647
Michael Chan35e90102008-06-19 16:37:42 -07006648 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006649
6650 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6651 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6652 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6653 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6654
6655 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006656 tx_buf->nr_frags = last_frag;
6657 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006658
6659 for (i = 0; i < last_frag; i++) {
Eric Dumazet9e903e02011-10-18 21:00:24 +00006660 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Michael Chanb6016b72005-05-26 13:03:09 -07006661
Michael Chan2bc40782012-12-06 10:33:09 +00006662 prod = BNX2_NEXT_TX_BD(prod);
6663 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006664 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006665
Eric Dumazet9e903e02011-10-18 21:00:24 +00006666 len = skb_frag_size(frag);
Ian Campbellb7b6a682011-08-24 22:28:12 +00006667 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
Ian Campbell5d6bcdf2011-10-06 11:10:48 +01006668 DMA_TO_DEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006669 if (dma_mapping_error(&bp->pdev->dev, mapping))
Alexander Duycke95524a2009-12-02 16:47:57 +00006670 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006671 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006672 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006673
6674 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6675 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6676 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6677 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6678
6679 }
6680 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6681
Vlad Zolotarov94bf91b2012-02-05 15:24:39 +00006682 /* Sync BD data before updating TX mailbox */
6683 wmb();
6684
Eric Dumazete9831902011-11-29 11:53:05 +00006685 netdev_tx_sent_queue(txq, skb->len);
6686
Michael Chan2bc40782012-12-06 10:33:09 +00006687 prod = BNX2_NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006688 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006689
Michael Chane503e062012-12-06 10:33:08 +00006690 BNX2_WR16(bp, txr->tx_bidx_addr, prod);
6691 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006692
6693 mmiowb();
6694
Michael Chan35e90102008-06-19 16:37:42 -07006695 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006696
Michael Chan35e90102008-06-19 16:37:42 -07006697 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006698 netif_tx_stop_queue(txq);
Michael Chan11848b962010-07-19 14:15:04 +00006699
6700 /* netif_tx_stop_queue() must be done before checking
6701 * tx index in bnx2_tx_avail() below, because in
6702 * bnx2_tx_int(), we update tx index before checking for
6703 * netif_tx_queue_stopped().
6704 */
6705 smp_mb();
Michael Chan35e90102008-06-19 16:37:42 -07006706 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006707 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006708 }
6709
6710 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006711dma_error:
6712 /* save value of frag that failed */
6713 last_frag = i;
6714
6715 /* start back at beginning and unmap skb */
6716 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006717 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006718 tx_buf = &txr->tx_buf_ring[ring_prod];
6719 tx_buf->skb = NULL;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006720 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006721 skb_headlen(skb), PCI_DMA_TODEVICE);
6722
6723 /* unmap remaining mapped pages */
6724 for (i = 0; i < last_frag; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00006725 prod = BNX2_NEXT_TX_BD(prod);
6726 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006727 tx_buf = &txr->tx_buf_ring[ring_prod];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006728 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00006729 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00006730 PCI_DMA_TODEVICE);
6731 }
6732
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07006733 dev_kfree_skb_any(skb);
Alexander Duycke95524a2009-12-02 16:47:57 +00006734 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006735}
6736
6737/* Called with rtnl_lock */
6738static int
6739bnx2_close(struct net_device *dev)
6740{
Michael Chan972ec0d2006-01-23 16:12:43 -08006741 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006742
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006743 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006744 bnx2_napi_disable(bp);
Michael Chand2e553b2012-06-27 15:08:24 +00006745 netif_tx_disable(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006746 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006747 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006748 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006749 bnx2_free_skbs(bp);
6750 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006751 bnx2_del_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006752 bp->link_up = 0;
6753 netif_carrier_off(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006754 return 0;
6755}
6756
Michael Chan354fcd72010-01-17 07:30:44 +00006757static void
6758bnx2_save_stats(struct bnx2 *bp)
6759{
6760 u32 *hw_stats = (u32 *) bp->stats_blk;
6761 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6762 int i;
6763
6764 /* The 1st 10 counters are 64-bit counters */
6765 for (i = 0; i < 20; i += 2) {
6766 u32 hi;
6767 u64 lo;
6768
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006769 hi = temp_stats[i] + hw_stats[i];
6770 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006771 if (lo > 0xffffffff)
6772 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006773 temp_stats[i] = hi;
6774 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006775 }
6776
6777 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006778 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006779}
6780
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006781#define GET_64BIT_NET_STATS64(ctr) \
6782 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
Michael Chanb6016b72005-05-26 13:03:09 -07006783
Michael Chana4743052010-01-17 07:30:43 +00006784#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006785 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6786 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006787
Michael Chana4743052010-01-17 07:30:43 +00006788#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006789 (unsigned long) (bp->stats_blk->ctr + \
6790 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006791
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006792static struct rtnl_link_stats64 *
6793bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
Michael Chanb6016b72005-05-26 13:03:09 -07006794{
Michael Chan972ec0d2006-01-23 16:12:43 -08006795 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006796
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006797 if (bp->stats_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006798 return net_stats;
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006799
Michael Chanb6016b72005-05-26 13:03:09 -07006800 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006801 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6802 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6803 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006804
6805 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006806 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6807 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6808 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006809
6810 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006811 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006812
6813 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006814 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006815
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006816 net_stats->multicast =
Michael Chan6fdae992010-07-19 14:15:02 +00006817 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006818
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006819 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006820 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006821
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006822 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006823 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6824 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006825
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006826 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006827 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6828 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006829
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006830 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006831 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006832
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006833 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006834 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006835
6836 net_stats->rx_errors = net_stats->rx_length_errors +
6837 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6838 net_stats->rx_crc_errors;
6839
6840 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006841 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6842 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006843
Michael Chan4ce45e02012-12-06 10:33:10 +00006844 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
6845 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006846 net_stats->tx_carrier_errors = 0;
6847 else {
6848 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006849 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006850 }
6851
6852 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006853 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006854 net_stats->tx_aborted_errors +
6855 net_stats->tx_carrier_errors;
6856
Michael Chancea94db2006-06-12 22:16:13 -07006857 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006858 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6859 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6860 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006861
Michael Chanb6016b72005-05-26 13:03:09 -07006862 return net_stats;
6863}
6864
6865/* All ethtool functions called with rtnl_lock */
6866
6867static int
6868bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6869{
Michael Chan972ec0d2006-01-23 16:12:43 -08006870 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006871 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006872
6873 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006874 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006875 support_serdes = 1;
6876 support_copper = 1;
6877 } else if (bp->phy_port == PORT_FIBRE)
6878 support_serdes = 1;
6879 else
6880 support_copper = 1;
6881
6882 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006883 cmd->supported |= SUPPORTED_1000baseT_Full |
6884 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006885 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006886 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006887
Michael Chanb6016b72005-05-26 13:03:09 -07006888 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006889 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006890 cmd->supported |= SUPPORTED_10baseT_Half |
6891 SUPPORTED_10baseT_Full |
6892 SUPPORTED_100baseT_Half |
6893 SUPPORTED_100baseT_Full |
6894 SUPPORTED_1000baseT_Full |
6895 SUPPORTED_TP;
6896
Michael Chanb6016b72005-05-26 13:03:09 -07006897 }
6898
Michael Chan7b6b8342007-07-07 22:50:15 -07006899 spin_lock_bh(&bp->phy_lock);
6900 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006901 cmd->advertising = bp->advertising;
6902
6903 if (bp->autoneg & AUTONEG_SPEED) {
6904 cmd->autoneg = AUTONEG_ENABLE;
David Decotigny70739492011-04-27 18:32:40 +00006905 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07006906 cmd->autoneg = AUTONEG_DISABLE;
6907 }
6908
6909 if (netif_carrier_ok(dev)) {
David Decotigny70739492011-04-27 18:32:40 +00006910 ethtool_cmd_speed_set(cmd, bp->line_speed);
Michael Chanb6016b72005-05-26 13:03:09 -07006911 cmd->duplex = bp->duplex;
Michael Chan4016bad2013-12-31 23:22:34 -08006912 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
6913 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
6914 cmd->eth_tp_mdix = ETH_TP_MDI_X;
6915 else
6916 cmd->eth_tp_mdix = ETH_TP_MDI;
6917 }
Michael Chanb6016b72005-05-26 13:03:09 -07006918 }
6919 else {
Jiri Pirko537fae02014-06-06 14:17:00 +02006920 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
6921 cmd->duplex = DUPLEX_UNKNOWN;
Michael Chanb6016b72005-05-26 13:03:09 -07006922 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006923 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006924
6925 cmd->transceiver = XCVR_INTERNAL;
6926 cmd->phy_address = bp->phy_addr;
6927
6928 return 0;
6929}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006930
Michael Chanb6016b72005-05-26 13:03:09 -07006931static int
6932bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6933{
Michael Chan972ec0d2006-01-23 16:12:43 -08006934 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006935 u8 autoneg = bp->autoneg;
6936 u8 req_duplex = bp->req_duplex;
6937 u16 req_line_speed = bp->req_line_speed;
6938 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006939 int err = -EINVAL;
6940
6941 spin_lock_bh(&bp->phy_lock);
6942
6943 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6944 goto err_out_unlock;
6945
Michael Chan583c28e2008-01-21 19:51:35 -08006946 if (cmd->port != bp->phy_port &&
6947 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006948 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006949
Michael Chand6b14482008-07-14 22:37:21 -07006950 /* If device is down, we can store the settings only if the user
6951 * is setting the currently active port.
6952 */
6953 if (!netif_running(dev) && cmd->port != bp->phy_port)
6954 goto err_out_unlock;
6955
Michael Chanb6016b72005-05-26 13:03:09 -07006956 if (cmd->autoneg == AUTONEG_ENABLE) {
6957 autoneg |= AUTONEG_SPEED;
6958
Michael Chanbeb499a2010-02-15 19:42:10 +00006959 advertising = cmd->advertising;
6960 if (cmd->port == PORT_TP) {
6961 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6962 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006963 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006964 } else {
6965 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6966 if (!advertising)
6967 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006968 }
6969 advertising |= ADVERTISED_Autoneg;
6970 }
6971 else {
David Decotigny25db0332011-04-27 18:32:39 +00006972 u32 speed = ethtool_cmd_speed(cmd);
Michael Chan7b6b8342007-07-07 22:50:15 -07006973 if (cmd->port == PORT_FIBRE) {
David Decotigny25db0332011-04-27 18:32:39 +00006974 if ((speed != SPEED_1000 &&
6975 speed != SPEED_2500) ||
Michael Chan80be4432006-11-19 14:07:28 -08006976 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006977 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006978
David Decotigny25db0332011-04-27 18:32:39 +00006979 if (speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006980 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006981 goto err_out_unlock;
David Decotigny25db0332011-04-27 18:32:39 +00006982 } else if (speed == SPEED_1000 || speed == SPEED_2500)
Michael Chan7b6b8342007-07-07 22:50:15 -07006983 goto err_out_unlock;
6984
Michael Chanb6016b72005-05-26 13:03:09 -07006985 autoneg &= ~AUTONEG_SPEED;
David Decotigny25db0332011-04-27 18:32:39 +00006986 req_line_speed = speed;
Michael Chanb6016b72005-05-26 13:03:09 -07006987 req_duplex = cmd->duplex;
6988 advertising = 0;
6989 }
6990
6991 bp->autoneg = autoneg;
6992 bp->advertising = advertising;
6993 bp->req_line_speed = req_line_speed;
6994 bp->req_duplex = req_duplex;
6995
Michael Chand6b14482008-07-14 22:37:21 -07006996 err = 0;
6997 /* If device is down, the new settings will be picked up when it is
6998 * brought up.
6999 */
7000 if (netif_running(dev))
7001 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07007002
Michael Chan7b6b8342007-07-07 22:50:15 -07007003err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07007004 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007005
Michael Chan7b6b8342007-07-07 22:50:15 -07007006 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07007007}
7008
7009static void
7010bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7011{
Michael Chan972ec0d2006-01-23 16:12:43 -08007012 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007013
Rick Jones68aad782011-11-07 13:29:27 +00007014 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
7015 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
7016 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
7017 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
Michael Chanb6016b72005-05-26 13:03:09 -07007018}
7019
Michael Chan244ac4f2006-03-20 17:48:46 -08007020#define BNX2_REGDUMP_LEN (32 * 1024)
7021
7022static int
7023bnx2_get_regs_len(struct net_device *dev)
7024{
7025 return BNX2_REGDUMP_LEN;
7026}
7027
7028static void
7029bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
7030{
7031 u32 *p = _p, i, offset;
7032 u8 *orig_p = _p;
7033 struct bnx2 *bp = netdev_priv(dev);
Joe Perchesb6bc7652010-12-21 02:16:08 -08007034 static const u32 reg_boundaries[] = {
7035 0x0000, 0x0098, 0x0400, 0x045c,
7036 0x0800, 0x0880, 0x0c00, 0x0c10,
7037 0x0c30, 0x0d08, 0x1000, 0x101c,
7038 0x1040, 0x1048, 0x1080, 0x10a4,
7039 0x1400, 0x1490, 0x1498, 0x14f0,
7040 0x1500, 0x155c, 0x1580, 0x15dc,
7041 0x1600, 0x1658, 0x1680, 0x16d8,
7042 0x1800, 0x1820, 0x1840, 0x1854,
7043 0x1880, 0x1894, 0x1900, 0x1984,
7044 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
7045 0x1c80, 0x1c94, 0x1d00, 0x1d84,
7046 0x2000, 0x2030, 0x23c0, 0x2400,
7047 0x2800, 0x2820, 0x2830, 0x2850,
7048 0x2b40, 0x2c10, 0x2fc0, 0x3058,
7049 0x3c00, 0x3c94, 0x4000, 0x4010,
7050 0x4080, 0x4090, 0x43c0, 0x4458,
7051 0x4c00, 0x4c18, 0x4c40, 0x4c54,
7052 0x4fc0, 0x5010, 0x53c0, 0x5444,
7053 0x5c00, 0x5c18, 0x5c80, 0x5c90,
7054 0x5fc0, 0x6000, 0x6400, 0x6428,
7055 0x6800, 0x6848, 0x684c, 0x6860,
7056 0x6888, 0x6910, 0x8000
7057 };
Michael Chan244ac4f2006-03-20 17:48:46 -08007058
7059 regs->version = 0;
7060
7061 memset(p, 0, BNX2_REGDUMP_LEN);
7062
7063 if (!netif_running(bp->dev))
7064 return;
7065
7066 i = 0;
7067 offset = reg_boundaries[0];
7068 p += offset;
7069 while (offset < BNX2_REGDUMP_LEN) {
Michael Chane503e062012-12-06 10:33:08 +00007070 *p++ = BNX2_RD(bp, offset);
Michael Chan244ac4f2006-03-20 17:48:46 -08007071 offset += 4;
7072 if (offset == reg_boundaries[i + 1]) {
7073 offset = reg_boundaries[i + 2];
7074 p = (u32 *) (orig_p + offset);
7075 i += 2;
7076 }
7077 }
7078}
7079
Michael Chanb6016b72005-05-26 13:03:09 -07007080static void
7081bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7082{
Michael Chan972ec0d2006-01-23 16:12:43 -08007083 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007084
David S. Millerf86e82f2008-01-21 17:15:40 -08007085 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07007086 wol->supported = 0;
7087 wol->wolopts = 0;
7088 }
7089 else {
7090 wol->supported = WAKE_MAGIC;
7091 if (bp->wol)
7092 wol->wolopts = WAKE_MAGIC;
7093 else
7094 wol->wolopts = 0;
7095 }
7096 memset(&wol->sopass, 0, sizeof(wol->sopass));
7097}
7098
7099static int
7100bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7101{
Michael Chan972ec0d2006-01-23 16:12:43 -08007102 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007103
7104 if (wol->wolopts & ~WAKE_MAGIC)
7105 return -EINVAL;
7106
7107 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007108 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07007109 return -EINVAL;
7110
7111 bp->wol = 1;
7112 }
7113 else {
7114 bp->wol = 0;
7115 }
Michael Chan6d5e85c2013-08-06 15:50:08 -07007116
7117 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
7118
Michael Chanb6016b72005-05-26 13:03:09 -07007119 return 0;
7120}
7121
7122static int
7123bnx2_nway_reset(struct net_device *dev)
7124{
Michael Chan972ec0d2006-01-23 16:12:43 -08007125 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007126 u32 bmcr;
7127
Michael Chan9f52b562008-10-09 12:21:46 -07007128 if (!netif_running(dev))
7129 return -EAGAIN;
7130
Michael Chanb6016b72005-05-26 13:03:09 -07007131 if (!(bp->autoneg & AUTONEG_SPEED)) {
7132 return -EINVAL;
7133 }
7134
Michael Chanc770a652005-08-25 15:38:39 -07007135 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007136
Michael Chan583c28e2008-01-21 19:51:35 -08007137 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07007138 int rc;
7139
7140 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7141 spin_unlock_bh(&bp->phy_lock);
7142 return rc;
7143 }
7144
Michael Chanb6016b72005-05-26 13:03:09 -07007145 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08007146 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07007147 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07007148 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007149
7150 msleep(20);
7151
Michael Chanc770a652005-08-25 15:38:39 -07007152 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08007153
Michael Chan40105c02008-11-12 16:02:45 -08007154 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08007155 bp->serdes_an_pending = 1;
7156 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07007157 }
7158
Michael Chanca58c3a2007-05-03 13:22:52 -07007159 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07007160 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07007161 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07007162
Michael Chanc770a652005-08-25 15:38:39 -07007163 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007164
7165 return 0;
7166}
7167
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007168static u32
7169bnx2_get_link(struct net_device *dev)
7170{
7171 struct bnx2 *bp = netdev_priv(dev);
7172
7173 return bp->link_up;
7174}
7175
Michael Chanb6016b72005-05-26 13:03:09 -07007176static int
7177bnx2_get_eeprom_len(struct net_device *dev)
7178{
Michael Chan972ec0d2006-01-23 16:12:43 -08007179 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007180
Michael Chan1122db72006-01-23 16:11:42 -08007181 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07007182 return 0;
7183
Michael Chan1122db72006-01-23 16:11:42 -08007184 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007185}
7186
7187static int
7188bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7189 u8 *eebuf)
7190{
Michael Chan972ec0d2006-01-23 16:12:43 -08007191 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007192 int rc;
7193
John W. Linville1064e942005-11-10 12:58:24 -08007194 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007195
7196 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7197
7198 return rc;
7199}
7200
7201static int
7202bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7203 u8 *eebuf)
7204{
Michael Chan972ec0d2006-01-23 16:12:43 -08007205 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007206 int rc;
7207
John W. Linville1064e942005-11-10 12:58:24 -08007208 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007209
7210 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7211
7212 return rc;
7213}
7214
7215static int
7216bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7217{
Michael Chan972ec0d2006-01-23 16:12:43 -08007218 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007219
7220 memset(coal, 0, sizeof(struct ethtool_coalesce));
7221
7222 coal->rx_coalesce_usecs = bp->rx_ticks;
7223 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7224 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7225 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7226
7227 coal->tx_coalesce_usecs = bp->tx_ticks;
7228 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7229 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7230 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7231
7232 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7233
7234 return 0;
7235}
7236
7237static int
7238bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7239{
Michael Chan972ec0d2006-01-23 16:12:43 -08007240 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007241
7242 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7243 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7244
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007245 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007246 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7247
7248 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7249 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7250
7251 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7252 if (bp->rx_quick_cons_trip_int > 0xff)
7253 bp->rx_quick_cons_trip_int = 0xff;
7254
7255 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7256 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7257
7258 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7259 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7260
7261 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7262 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7263
7264 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7265 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7266 0xff;
7267
7268 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007269 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007270 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7271 bp->stats_ticks = USEC_PER_SEC;
7272 }
Michael Chan7ea69202007-07-16 18:27:10 -07007273 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7274 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7275 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007276
7277 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007278 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007279 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007280 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007281 }
7282
7283 return 0;
7284}
7285
7286static void
7287bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7288{
Michael Chan972ec0d2006-01-23 16:12:43 -08007289 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007290
Michael Chan2bc40782012-12-06 10:33:09 +00007291 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
7292 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007293
7294 ering->rx_pending = bp->rx_ring_size;
Michael Chan47bf4242007-12-12 11:19:12 -08007295 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007296
Michael Chan2bc40782012-12-06 10:33:09 +00007297 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007298 ering->tx_pending = bp->tx_ring_size;
7299}
7300
7301static int
Michael Chanb0332812012-02-05 15:24:38 +00007302bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
Michael Chanb6016b72005-05-26 13:03:09 -07007303{
Michael Chan13daffa2006-03-20 17:49:20 -08007304 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007305 /* Reset will erase chipset stats; save them */
7306 bnx2_save_stats(bp);
7307
Michael Chan212f9932010-04-27 11:28:10 +00007308 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007309 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
Michael Chanb0332812012-02-05 15:24:38 +00007310 if (reset_irq) {
7311 bnx2_free_irq(bp);
7312 bnx2_del_napi(bp);
7313 } else {
7314 __bnx2_free_irq(bp);
7315 }
Michael Chan13daffa2006-03-20 17:49:20 -08007316 bnx2_free_skbs(bp);
7317 bnx2_free_mem(bp);
7318 }
7319
Michael Chan5d5d0012007-12-12 11:17:43 -08007320 bnx2_set_rx_ring_size(bp, rx);
7321 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007322
7323 if (netif_running(bp->dev)) {
Michael Chanb0332812012-02-05 15:24:38 +00007324 int rc = 0;
Michael Chan13daffa2006-03-20 17:49:20 -08007325
Michael Chanb0332812012-02-05 15:24:38 +00007326 if (reset_irq) {
7327 rc = bnx2_setup_int_mode(bp, disable_msi);
7328 bnx2_init_napi(bp);
7329 }
7330
7331 if (!rc)
7332 rc = bnx2_alloc_mem(bp);
7333
Michael Chan6fefb65e2009-08-21 16:20:45 +00007334 if (!rc)
Michael Chana29ba9d2010-12-31 11:03:14 -08007335 rc = bnx2_request_irq(bp);
7336
7337 if (!rc)
Michael Chan6fefb65e2009-08-21 16:20:45 +00007338 rc = bnx2_init_nic(bp, 0);
7339
7340 if (rc) {
7341 bnx2_napi_enable(bp);
7342 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007343 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007344 }
Michael Chane9f26c42010-02-15 19:42:08 +00007345#ifdef BCM_CNIC
7346 mutex_lock(&bp->cnic_lock);
7347 /* Let cnic know about the new status block. */
7348 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7349 bnx2_setup_cnic_irq_info(bp);
7350 mutex_unlock(&bp->cnic_lock);
7351#endif
Michael Chan212f9932010-04-27 11:28:10 +00007352 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007353 }
Michael Chanb6016b72005-05-26 13:03:09 -07007354 return 0;
7355}
7356
Michael Chan5d5d0012007-12-12 11:17:43 -08007357static int
7358bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7359{
7360 struct bnx2 *bp = netdev_priv(dev);
7361 int rc;
7362
Michael Chan2bc40782012-12-06 10:33:09 +00007363 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
7364 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
Michael Chan5d5d0012007-12-12 11:17:43 -08007365 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7366
7367 return -EINVAL;
7368 }
Michael Chanb0332812012-02-05 15:24:38 +00007369 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
7370 false);
Michael Chan5d5d0012007-12-12 11:17:43 -08007371 return rc;
7372}
7373
Michael Chanb6016b72005-05-26 13:03:09 -07007374static void
7375bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7376{
Michael Chan972ec0d2006-01-23 16:12:43 -08007377 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007378
7379 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7380 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7381 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7382}
7383
7384static int
7385bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7386{
Michael Chan972ec0d2006-01-23 16:12:43 -08007387 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007388
7389 bp->req_flow_ctrl = 0;
7390 if (epause->rx_pause)
7391 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7392 if (epause->tx_pause)
7393 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7394
7395 if (epause->autoneg) {
7396 bp->autoneg |= AUTONEG_FLOW_CTRL;
7397 }
7398 else {
7399 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7400 }
7401
Michael Chan9f52b562008-10-09 12:21:46 -07007402 if (netif_running(dev)) {
7403 spin_lock_bh(&bp->phy_lock);
7404 bnx2_setup_phy(bp, bp->phy_port);
7405 spin_unlock_bh(&bp->phy_lock);
7406 }
Michael Chanb6016b72005-05-26 13:03:09 -07007407
7408 return 0;
7409}
7410
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007411static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007412 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007413} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007414 { "rx_bytes" },
7415 { "rx_error_bytes" },
7416 { "tx_bytes" },
7417 { "tx_error_bytes" },
7418 { "rx_ucast_packets" },
7419 { "rx_mcast_packets" },
7420 { "rx_bcast_packets" },
7421 { "tx_ucast_packets" },
7422 { "tx_mcast_packets" },
7423 { "tx_bcast_packets" },
7424 { "tx_mac_errors" },
7425 { "tx_carrier_errors" },
7426 { "rx_crc_errors" },
7427 { "rx_align_errors" },
7428 { "tx_single_collisions" },
7429 { "tx_multi_collisions" },
7430 { "tx_deferred" },
7431 { "tx_excess_collisions" },
7432 { "tx_late_collisions" },
7433 { "tx_total_collisions" },
7434 { "rx_fragments" },
7435 { "rx_jabbers" },
7436 { "rx_undersize_packets" },
7437 { "rx_oversize_packets" },
7438 { "rx_64_byte_packets" },
7439 { "rx_65_to_127_byte_packets" },
7440 { "rx_128_to_255_byte_packets" },
7441 { "rx_256_to_511_byte_packets" },
7442 { "rx_512_to_1023_byte_packets" },
7443 { "rx_1024_to_1522_byte_packets" },
7444 { "rx_1523_to_9022_byte_packets" },
7445 { "tx_64_byte_packets" },
7446 { "tx_65_to_127_byte_packets" },
7447 { "tx_128_to_255_byte_packets" },
7448 { "tx_256_to_511_byte_packets" },
7449 { "tx_512_to_1023_byte_packets" },
7450 { "tx_1024_to_1522_byte_packets" },
7451 { "tx_1523_to_9022_byte_packets" },
7452 { "rx_xon_frames" },
7453 { "rx_xoff_frames" },
7454 { "tx_xon_frames" },
7455 { "tx_xoff_frames" },
7456 { "rx_mac_ctrl_frames" },
7457 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007458 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007459 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007460 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007461};
7462
Jim Cromie0db83cd2012-04-10 14:56:03 +00007463#define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
Michael Chan790dab22009-08-21 16:20:47 +00007464
Michael Chanb6016b72005-05-26 13:03:09 -07007465#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7466
Arjan van de Venf71e1302006-03-03 21:33:57 -05007467static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007468 STATS_OFFSET32(stat_IfHCInOctets_hi),
7469 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7470 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7471 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7472 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7473 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7474 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7475 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7476 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7477 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7478 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007479 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7480 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7481 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7482 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7483 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7484 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7485 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7486 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7487 STATS_OFFSET32(stat_EtherStatsCollisions),
7488 STATS_OFFSET32(stat_EtherStatsFragments),
7489 STATS_OFFSET32(stat_EtherStatsJabbers),
7490 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7491 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7492 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7493 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7494 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7495 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7496 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7497 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7498 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7499 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7500 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7501 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7502 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7503 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7504 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7505 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7506 STATS_OFFSET32(stat_XonPauseFramesReceived),
7507 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7508 STATS_OFFSET32(stat_OutXonSent),
7509 STATS_OFFSET32(stat_OutXoffSent),
7510 STATS_OFFSET32(stat_MacControlFramesReceived),
7511 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007512 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007513 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007514 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007515};
7516
7517/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7518 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007519 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007520static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007521 8,0,8,8,8,8,8,8,8,8,
7522 4,0,4,4,4,4,4,4,4,4,
7523 4,4,4,4,4,4,4,4,4,4,
7524 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007525 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007526};
7527
Michael Chan5b0c76a2005-11-04 08:45:49 -08007528static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7529 8,0,8,8,8,8,8,8,8,8,
7530 4,4,4,4,4,4,4,4,4,4,
7531 4,4,4,4,4,4,4,4,4,4,
7532 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007533 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007534};
7535
Michael Chanb6016b72005-05-26 13:03:09 -07007536#define BNX2_NUM_TESTS 6
7537
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007538static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007539 char string[ETH_GSTRING_LEN];
7540} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7541 { "register_test (offline)" },
7542 { "memory_test (offline)" },
7543 { "loopback_test (offline)" },
7544 { "nvram_test (online)" },
7545 { "interrupt_test (online)" },
7546 { "link_test (online)" },
7547};
7548
7549static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007550bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007551{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007552 switch (sset) {
7553 case ETH_SS_TEST:
7554 return BNX2_NUM_TESTS;
7555 case ETH_SS_STATS:
7556 return BNX2_NUM_STATS;
7557 default:
7558 return -EOPNOTSUPP;
7559 }
Michael Chanb6016b72005-05-26 13:03:09 -07007560}
7561
7562static void
7563bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7564{
Michael Chan972ec0d2006-01-23 16:12:43 -08007565 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007566
7567 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7568 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007569 int i;
7570
Michael Chan212f9932010-04-27 11:28:10 +00007571 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007572 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7573 bnx2_free_skbs(bp);
7574
7575 if (bnx2_test_registers(bp) != 0) {
7576 buf[0] = 1;
7577 etest->flags |= ETH_TEST_FL_FAILED;
7578 }
7579 if (bnx2_test_memory(bp) != 0) {
7580 buf[1] = 1;
7581 etest->flags |= ETH_TEST_FL_FAILED;
7582 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007583 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007584 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007585
Michael Chan9f52b562008-10-09 12:21:46 -07007586 if (!netif_running(bp->dev))
7587 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007588 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007589 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007590 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007591 }
7592
7593 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007594 for (i = 0; i < 7; i++) {
7595 if (bp->link_up)
7596 break;
7597 msleep_interruptible(1000);
7598 }
Michael Chanb6016b72005-05-26 13:03:09 -07007599 }
7600
7601 if (bnx2_test_nvram(bp) != 0) {
7602 buf[3] = 1;
7603 etest->flags |= ETH_TEST_FL_FAILED;
7604 }
7605 if (bnx2_test_intr(bp) != 0) {
7606 buf[4] = 1;
7607 etest->flags |= ETH_TEST_FL_FAILED;
7608 }
7609
7610 if (bnx2_test_link(bp) != 0) {
7611 buf[5] = 1;
7612 etest->flags |= ETH_TEST_FL_FAILED;
7613
7614 }
7615}
7616
7617static void
7618bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7619{
7620 switch (stringset) {
7621 case ETH_SS_STATS:
7622 memcpy(buf, bnx2_stats_str_arr,
7623 sizeof(bnx2_stats_str_arr));
7624 break;
7625 case ETH_SS_TEST:
7626 memcpy(buf, bnx2_tests_str_arr,
7627 sizeof(bnx2_tests_str_arr));
7628 break;
7629 }
7630}
7631
Michael Chanb6016b72005-05-26 13:03:09 -07007632static void
7633bnx2_get_ethtool_stats(struct net_device *dev,
7634 struct ethtool_stats *stats, u64 *buf)
7635{
Michael Chan972ec0d2006-01-23 16:12:43 -08007636 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007637 int i;
7638 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007639 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007640 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007641
7642 if (hw_stats == NULL) {
7643 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7644 return;
7645 }
7646
Michael Chan4ce45e02012-12-06 10:33:10 +00007647 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
7648 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
7649 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
7650 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007651 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007652 else
7653 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007654
7655 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007656 unsigned long offset;
7657
Michael Chanb6016b72005-05-26 13:03:09 -07007658 if (stats_len_arr[i] == 0) {
7659 /* skip this counter */
7660 buf[i] = 0;
7661 continue;
7662 }
Michael Chan354fcd72010-01-17 07:30:44 +00007663
7664 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007665 if (stats_len_arr[i] == 4) {
7666 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007667 buf[i] = (u64) *(hw_stats + offset) +
7668 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007669 continue;
7670 }
7671 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007672 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7673 *(hw_stats + offset + 1) +
7674 (((u64) *(temp_stats + offset)) << 32) +
7675 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007676 }
7677}
7678
7679static int
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007680bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
Michael Chanb6016b72005-05-26 13:03:09 -07007681{
Michael Chan972ec0d2006-01-23 16:12:43 -08007682 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007683
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007684 switch (state) {
7685 case ETHTOOL_ID_ACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007686 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
7687 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
Allan, Bruce Wfce55922011-04-13 13:09:10 +00007688 return 1; /* cycle on/off once per second */
Michael Chanb6016b72005-05-26 13:03:09 -07007689
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007690 case ETHTOOL_ID_ON:
Michael Chane503e062012-12-06 10:33:08 +00007691 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7692 BNX2_EMAC_LED_1000MB_OVERRIDE |
7693 BNX2_EMAC_LED_100MB_OVERRIDE |
7694 BNX2_EMAC_LED_10MB_OVERRIDE |
7695 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7696 BNX2_EMAC_LED_TRAFFIC);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007697 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007698
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007699 case ETHTOOL_ID_OFF:
Michael Chane503e062012-12-06 10:33:08 +00007700 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007701 break;
7702
7703 case ETHTOOL_ID_INACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007704 BNX2_WR(bp, BNX2_EMAC_LED, 0);
7705 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007706 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007707 }
Michael Chan9f52b562008-10-09 12:21:46 -07007708
Michael Chanb6016b72005-05-26 13:03:09 -07007709 return 0;
7710}
7711
Michał Mirosławc8f44af2011-11-15 15:29:55 +00007712static netdev_features_t
7713bnx2_fix_features(struct net_device *dev, netdev_features_t features)
Michael Chan4666f872007-05-03 13:22:28 -07007714{
7715 struct bnx2 *bp = netdev_priv(dev);
7716
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007717 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Patrick McHardyf6469682013-04-19 02:04:27 +00007718 features |= NETIF_F_HW_VLAN_CTAG_RX;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007719
7720 return features;
Michael Chan4666f872007-05-03 13:22:28 -07007721}
7722
Michael Chanfdc85412010-07-03 20:42:16 +00007723static int
Michał Mirosławc8f44af2011-11-15 15:29:55 +00007724bnx2_set_features(struct net_device *dev, netdev_features_t features)
Michael Chanfdc85412010-07-03 20:42:16 +00007725{
Jesse Gross7d0fd212010-10-20 13:56:09 +00007726 struct bnx2 *bp = netdev_priv(dev);
Jesse Gross7d0fd212010-10-20 13:56:09 +00007727
Michael Chan7c810472011-01-24 12:59:02 +00007728 /* TSO with VLAN tag won't work with current firmware */
Patrick McHardyf6469682013-04-19 02:04:27 +00007729 if (features & NETIF_F_HW_VLAN_CTAG_TX)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007730 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7731 else
7732 dev->vlan_features &= ~NETIF_F_ALL_TSO;
Michael Chan7c810472011-01-24 12:59:02 +00007733
Patrick McHardyf6469682013-04-19 02:04:27 +00007734 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
Jesse Gross7d0fd212010-10-20 13:56:09 +00007735 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7736 netif_running(dev)) {
7737 bnx2_netif_stop(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007738 dev->features = features;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007739 bnx2_set_rx_mode(dev);
7740 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7741 bnx2_netif_start(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007742 return 1;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007743 }
7744
7745 return 0;
Michael Chanfdc85412010-07-03 20:42:16 +00007746}
7747
Michael Chanb0332812012-02-05 15:24:38 +00007748static void bnx2_get_channels(struct net_device *dev,
7749 struct ethtool_channels *channels)
7750{
7751 struct bnx2 *bp = netdev_priv(dev);
7752 u32 max_rx_rings = 1;
7753 u32 max_tx_rings = 1;
7754
7755 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7756 max_rx_rings = RX_MAX_RINGS;
7757 max_tx_rings = TX_MAX_RINGS;
7758 }
7759
7760 channels->max_rx = max_rx_rings;
7761 channels->max_tx = max_tx_rings;
7762 channels->max_other = 0;
7763 channels->max_combined = 0;
7764 channels->rx_count = bp->num_rx_rings;
7765 channels->tx_count = bp->num_tx_rings;
7766 channels->other_count = 0;
7767 channels->combined_count = 0;
7768}
7769
7770static int bnx2_set_channels(struct net_device *dev,
7771 struct ethtool_channels *channels)
7772{
7773 struct bnx2 *bp = netdev_priv(dev);
7774 u32 max_rx_rings = 1;
7775 u32 max_tx_rings = 1;
7776 int rc = 0;
7777
7778 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7779 max_rx_rings = RX_MAX_RINGS;
7780 max_tx_rings = TX_MAX_RINGS;
7781 }
7782 if (channels->rx_count > max_rx_rings ||
7783 channels->tx_count > max_tx_rings)
7784 return -EINVAL;
7785
7786 bp->num_req_rx_rings = channels->rx_count;
7787 bp->num_req_tx_rings = channels->tx_count;
7788
7789 if (netif_running(dev))
7790 rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
7791 bp->tx_ring_size, true);
7792
7793 return rc;
7794}
7795
Jeff Garzik7282d492006-09-13 14:30:00 -04007796static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007797 .get_settings = bnx2_get_settings,
7798 .set_settings = bnx2_set_settings,
7799 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007800 .get_regs_len = bnx2_get_regs_len,
7801 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007802 .get_wol = bnx2_get_wol,
7803 .set_wol = bnx2_set_wol,
7804 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007805 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007806 .get_eeprom_len = bnx2_get_eeprom_len,
7807 .get_eeprom = bnx2_get_eeprom,
7808 .set_eeprom = bnx2_set_eeprom,
7809 .get_coalesce = bnx2_get_coalesce,
7810 .set_coalesce = bnx2_set_coalesce,
7811 .get_ringparam = bnx2_get_ringparam,
7812 .set_ringparam = bnx2_set_ringparam,
7813 .get_pauseparam = bnx2_get_pauseparam,
7814 .set_pauseparam = bnx2_set_pauseparam,
Michael Chanb6016b72005-05-26 13:03:09 -07007815 .self_test = bnx2_self_test,
7816 .get_strings = bnx2_get_strings,
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007817 .set_phys_id = bnx2_set_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007818 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007819 .get_sset_count = bnx2_get_sset_count,
Michael Chanb0332812012-02-05 15:24:38 +00007820 .get_channels = bnx2_get_channels,
7821 .set_channels = bnx2_set_channels,
Michael Chanb6016b72005-05-26 13:03:09 -07007822};
7823
7824/* Called with rtnl_lock */
7825static int
7826bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7827{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007828 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007829 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007830 int err;
7831
7832 switch(cmd) {
7833 case SIOCGMIIPHY:
7834 data->phy_id = bp->phy_addr;
7835
7836 /* fallthru */
7837 case SIOCGMIIREG: {
7838 u32 mii_regval;
7839
Michael Chan583c28e2008-01-21 19:51:35 -08007840 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007841 return -EOPNOTSUPP;
7842
Michael Chandad3e452007-05-03 13:18:03 -07007843 if (!netif_running(dev))
7844 return -EAGAIN;
7845
Michael Chanc770a652005-08-25 15:38:39 -07007846 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007847 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007848 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007849
7850 data->val_out = mii_regval;
7851
7852 return err;
7853 }
7854
7855 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007856 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007857 return -EOPNOTSUPP;
7858
Michael Chandad3e452007-05-03 13:18:03 -07007859 if (!netif_running(dev))
7860 return -EAGAIN;
7861
Michael Chanc770a652005-08-25 15:38:39 -07007862 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007863 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007864 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007865
7866 return err;
7867
7868 default:
7869 /* do nothing */
7870 break;
7871 }
7872 return -EOPNOTSUPP;
7873}
7874
7875/* Called with rtnl_lock */
7876static int
7877bnx2_change_mac_addr(struct net_device *dev, void *p)
7878{
7879 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007880 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007881
Michael Chan73eef4c2005-08-25 15:39:15 -07007882 if (!is_valid_ether_addr(addr->sa_data))
Danny Kukawka504f9b52012-02-21 02:07:49 +00007883 return -EADDRNOTAVAIL;
Michael Chan73eef4c2005-08-25 15:39:15 -07007884
Michael Chanb6016b72005-05-26 13:03:09 -07007885 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7886 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007887 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007888
7889 return 0;
7890}
7891
7892/* Called with rtnl_lock */
7893static int
7894bnx2_change_mtu(struct net_device *dev, int new_mtu)
7895{
Michael Chan972ec0d2006-01-23 16:12:43 -08007896 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007897
7898 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7899 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7900 return -EINVAL;
7901
7902 dev->mtu = new_mtu;
Michael Chanb0332812012-02-05 15:24:38 +00007903 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
7904 false);
Michael Chanb6016b72005-05-26 13:03:09 -07007905}
7906
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007907#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007908static void
7909poll_bnx2(struct net_device *dev)
7910{
Michael Chan972ec0d2006-01-23 16:12:43 -08007911 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007912 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007913
Neil Hormanb2af2c12008-11-12 16:23:44 -08007914 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007915 struct bnx2_irq *irq = &bp->irq_tbl[i];
7916
7917 disable_irq(irq->vector);
7918 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7919 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007920 }
Michael Chanb6016b72005-05-26 13:03:09 -07007921}
7922#endif
7923
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007924static void
Michael Chan253c8b72007-01-08 19:56:01 -08007925bnx2_get_5709_media(struct bnx2 *bp)
7926{
Michael Chane503e062012-12-06 10:33:08 +00007927 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
Michael Chan253c8b72007-01-08 19:56:01 -08007928 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7929 u32 strap;
7930
7931 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7932 return;
7933 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007934 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007935 return;
7936 }
7937
7938 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7939 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7940 else
7941 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7942
Michael Chanaefd90e2012-06-16 15:45:43 +00007943 if (bp->func == 0) {
Michael Chan253c8b72007-01-08 19:56:01 -08007944 switch (strap) {
7945 case 0x4:
7946 case 0x5:
7947 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007948 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007949 return;
7950 }
7951 } else {
7952 switch (strap) {
7953 case 0x1:
7954 case 0x2:
7955 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007956 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007957 return;
7958 }
7959 }
7960}
7961
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007962static void
Michael Chan883e5152007-05-03 13:25:11 -07007963bnx2_get_pci_speed(struct bnx2 *bp)
7964{
7965 u32 reg;
7966
Michael Chane503e062012-12-06 10:33:08 +00007967 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
Michael Chan883e5152007-05-03 13:25:11 -07007968 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7969 u32 clkreg;
7970
David S. Millerf86e82f2008-01-21 17:15:40 -08007971 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007972
Michael Chane503e062012-12-06 10:33:08 +00007973 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
Michael Chan883e5152007-05-03 13:25:11 -07007974
7975 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7976 switch (clkreg) {
7977 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7978 bp->bus_speed_mhz = 133;
7979 break;
7980
7981 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7982 bp->bus_speed_mhz = 100;
7983 break;
7984
7985 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7986 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7987 bp->bus_speed_mhz = 66;
7988 break;
7989
7990 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7991 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7992 bp->bus_speed_mhz = 50;
7993 break;
7994
7995 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7996 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7997 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7998 bp->bus_speed_mhz = 33;
7999 break;
8000 }
8001 }
8002 else {
8003 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
8004 bp->bus_speed_mhz = 66;
8005 else
8006 bp->bus_speed_mhz = 33;
8007 }
8008
8009 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08008010 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07008011
8012}
8013
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008014static void
Michael Chan76d99062009-12-03 09:46:34 +00008015bnx2_read_vpd_fw_ver(struct bnx2 *bp)
8016{
Matt Carlsondf25bc32010-02-26 14:04:44 +00008017 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00008018 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008019 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00008020
Michael Chan012093f2009-12-03 15:58:00 -08008021#define BNX2_VPD_NVRAM_OFFSET 0x300
8022#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00008023#define BNX2_MAX_VER_SLEN 30
8024
8025 data = kmalloc(256, GFP_KERNEL);
8026 if (!data)
8027 return;
8028
Michael Chan012093f2009-12-03 15:58:00 -08008029 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
8030 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00008031 if (rc)
8032 goto vpd_done;
8033
Michael Chan012093f2009-12-03 15:58:00 -08008034 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
8035 data[i] = data[i + BNX2_VPD_LEN + 3];
8036 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
8037 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
8038 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00008039 }
8040
Matt Carlsondf25bc32010-02-26 14:04:44 +00008041 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
8042 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00008043 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008044
8045 rosize = pci_vpd_lrdt_size(&data[i]);
8046 i += PCI_VPD_LRDT_TAG_SIZE;
8047 block_end = i + rosize;
8048
8049 if (block_end > BNX2_VPD_LEN)
8050 goto vpd_done;
8051
8052 j = pci_vpd_find_info_keyword(data, i, rosize,
8053 PCI_VPD_RO_KEYWORD_MFR_ID);
8054 if (j < 0)
8055 goto vpd_done;
8056
8057 len = pci_vpd_info_field_size(&data[j]);
8058
8059 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8060 if (j + len > block_end || len != 4 ||
8061 memcmp(&data[j], "1028", 4))
8062 goto vpd_done;
8063
8064 j = pci_vpd_find_info_keyword(data, i, rosize,
8065 PCI_VPD_RO_KEYWORD_VENDOR0);
8066 if (j < 0)
8067 goto vpd_done;
8068
8069 len = pci_vpd_info_field_size(&data[j]);
8070
8071 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8072 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
8073 goto vpd_done;
8074
8075 memcpy(bp->fw_version, &data[j], len);
8076 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00008077
8078vpd_done:
8079 kfree(data);
8080}
8081
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008082static int
Michael Chanb6016b72005-05-26 13:03:09 -07008083bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
8084{
8085 struct bnx2 *bp;
Michael Chan58fc2ea2007-07-07 22:52:02 -07008086 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07008087 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07008088 u64 dma_mask, persist_dma_mask;
John Feeneycd709aa2010-08-22 17:45:53 +00008089 int err;
Michael Chanb6016b72005-05-26 13:03:09 -07008090
Michael Chanb6016b72005-05-26 13:03:09 -07008091 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008092 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008093
8094 bp->flags = 0;
8095 bp->phy_flags = 0;
8096
Michael Chan354fcd72010-01-17 07:30:44 +00008097 bp->temp_stats_blk =
8098 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
8099
8100 if (bp->temp_stats_blk == NULL) {
8101 rc = -ENOMEM;
8102 goto err_out;
8103 }
8104
Michael Chanb6016b72005-05-26 13:03:09 -07008105 /* enable device (incl. PCI PM wakeup), and bus-mastering */
8106 rc = pci_enable_device(pdev);
8107 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008108 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008109 goto err_out;
8110 }
8111
8112 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008113 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008114 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008115 rc = -ENODEV;
8116 goto err_out_disable;
8117 }
8118
8119 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
8120 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008121 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008122 goto err_out_disable;
8123 }
8124
8125 pci_set_master(pdev);
8126
Yijing Wang85768272013-06-18 16:12:37 +08008127 bp->pm_cap = pdev->pm_cap;
Michael Chanb6016b72005-05-26 13:03:09 -07008128 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008129 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008130 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008131 rc = -EIO;
8132 goto err_out_release;
8133 }
8134
Michael Chanb6016b72005-05-26 13:03:09 -07008135 bp->dev = dev;
8136 bp->pdev = pdev;
8137
8138 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07008139 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00008140#ifdef BCM_CNIC
8141 mutex_init(&bp->cnic_lock);
8142#endif
David Howellsc4028952006-11-22 14:57:56 +00008143 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07008144
Francois Romieuc0357e92012-03-09 14:51:47 +01008145 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
8146 TX_MAX_TSS_RINGS + 1));
Michael Chanb6016b72005-05-26 13:03:09 -07008147 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008148 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008149 rc = -ENOMEM;
8150 goto err_out_release;
8151 }
8152
8153 /* Configure byte swap and enable write to the reg_window registers.
8154 * Rely on CPU to do target byte swapping on big endian systems
8155 * The chip's target access swapping will not swap all accesses
8156 */
Michael Chane503e062012-12-06 10:33:08 +00008157 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
8158 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
8159 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
Michael Chanb6016b72005-05-26 13:03:09 -07008160
Michael Chane503e062012-12-06 10:33:08 +00008161 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07008162
Michael Chan4ce45e02012-12-06 10:33:10 +00008163 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jon Masone82760e2011-06-27 07:44:43 +00008164 if (!pci_is_pcie(pdev)) {
8165 dev_err(&pdev->dev, "Not PCIE, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07008166 rc = -EIO;
8167 goto err_out_unmap;
8168 }
David S. Millerf86e82f2008-01-21 17:15:40 -08008169 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan4ce45e02012-12-06 10:33:10 +00008170 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08008171 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chanc239f272010-10-11 16:12:28 -07008172
8173 /* AER (Advanced Error Reporting) hooks */
8174 err = pci_enable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008175 if (!err)
8176 bp->flags |= BNX2_FLAG_AER_ENABLED;
Michael Chanc239f272010-10-11 16:12:28 -07008177
Michael Chan883e5152007-05-03 13:25:11 -07008178 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08008179 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
8180 if (bp->pcix_cap == 0) {
8181 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008182 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08008183 rc = -EIO;
8184 goto err_out_unmap;
8185 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00008186 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08008187 }
8188
Michael Chan4ce45e02012-12-06 10:33:10 +00008189 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8190 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
Yijing Wang555a8422013-08-08 21:02:22 +08008191 if (pdev->msix_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008192 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08008193 }
8194
Michael Chan4ce45e02012-12-06 10:33:10 +00008195 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
8196 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
Yijing Wang555a8422013-08-08 21:02:22 +08008197 if (pdev->msi_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008198 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07008199 }
8200
Michael Chan40453c82007-05-03 13:19:18 -07008201 /* 5708 cannot support DMA addresses > 40-bit. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008202 if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07008203 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07008204 else
Yang Hongyang6a355282009-04-06 19:01:13 -07008205 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07008206
8207 /* Configure DMA attributes. */
8208 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8209 dev->features |= NETIF_F_HIGHDMA;
8210 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8211 if (rc) {
8212 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008213 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008214 goto err_out_unmap;
8215 }
Yang Hongyang284901a2009-04-06 19:01:15 -07008216 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008217 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008218 goto err_out_unmap;
8219 }
8220
David S. Millerf86e82f2008-01-21 17:15:40 -08008221 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07008222 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008223
8224 /* 5706A0 may falsely detect SERR and PERR. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008225 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00008226 reg = BNX2_RD(bp, PCI_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07008227 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
Michael Chane503e062012-12-06 10:33:08 +00008228 BNX2_WR(bp, PCI_COMMAND, reg);
Michael Chan4ce45e02012-12-06 10:33:10 +00008229 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08008230 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07008231
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008232 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008233 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008234 goto err_out_unmap;
8235 }
8236
8237 bnx2_init_nvram(bp);
8238
Michael Chan2726d6e2008-01-29 21:35:05 -08008239 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08008240
Michael Chanaefd90e2012-06-16 15:45:43 +00008241 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
8242 bp->func = 1;
8243
Michael Chane3648b32005-11-04 08:51:21 -08008244 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08008245 BNX2_SHM_HDR_SIGNATURE_SIG) {
Michael Chanaefd90e2012-06-16 15:45:43 +00008246 u32 off = bp->func << 2;
Michael Chan24cb2302007-01-25 15:49:56 -08008247
Michael Chan2726d6e2008-01-29 21:35:05 -08008248 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008249 } else
Michael Chane3648b32005-11-04 08:51:21 -08008250 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8251
Michael Chanb6016b72005-05-26 13:03:09 -07008252 /* Get the permanent MAC address. First we need to make sure the
8253 * firmware is actually running.
8254 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008255 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008256
8257 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8258 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008259 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008260 rc = -ENODEV;
8261 goto err_out_unmap;
8262 }
8263
Michael Chan76d99062009-12-03 09:46:34 +00008264 bnx2_read_vpd_fw_ver(bp);
8265
8266 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008267 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008268 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008269 u8 num, k, skip0;
8270
Michael Chan76d99062009-12-03 09:46:34 +00008271 if (i == 0) {
8272 bp->fw_version[j++] = 'b';
8273 bp->fw_version[j++] = 'c';
8274 bp->fw_version[j++] = ' ';
8275 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008276 num = (u8) (reg >> (24 - (i * 8)));
8277 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8278 if (num >= k || !skip0 || k == 1) {
8279 bp->fw_version[j++] = (num / k) + '0';
8280 skip0 = 0;
8281 }
8282 }
8283 if (i != 2)
8284 bp->fw_version[j++] = '.';
8285 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008286 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008287 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8288 bp->wol = 1;
8289
8290 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008291 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008292
8293 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008294 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008295 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8296 break;
8297 msleep(10);
8298 }
8299 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008300 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008301 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8302 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8303 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008304 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008305
Michael Chan76d99062009-12-03 09:46:34 +00008306 if (j < 32)
8307 bp->fw_version[j++] = ' ';
8308 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008309 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan3aeb7d22011-07-20 14:55:25 +00008310 reg = be32_to_cpu(reg);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008311 memcpy(&bp->fw_version[j], &reg, 4);
8312 j += 4;
8313 }
8314 }
Michael Chanb6016b72005-05-26 13:03:09 -07008315
Michael Chan2726d6e2008-01-29 21:35:05 -08008316 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008317 bp->mac_addr[0] = (u8) (reg >> 8);
8318 bp->mac_addr[1] = (u8) reg;
8319
Michael Chan2726d6e2008-01-29 21:35:05 -08008320 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008321 bp->mac_addr[2] = (u8) (reg >> 24);
8322 bp->mac_addr[3] = (u8) (reg >> 16);
8323 bp->mac_addr[4] = (u8) (reg >> 8);
8324 bp->mac_addr[5] = (u8) reg;
8325
Michael Chan2bc40782012-12-06 10:33:09 +00008326 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008327 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008328
Michael Chancf7474a2009-08-21 16:20:48 +00008329 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008330 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008331 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008332 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008333
Michael Chancf7474a2009-08-21 16:20:48 +00008334 bp->rx_quick_cons_trip_int = 2;
8335 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008336 bp->rx_ticks_int = 18;
8337 bp->rx_ticks = 18;
8338
Michael Chan7ea69202007-07-16 18:27:10 -07008339 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008340
Benjamin Liac392ab2008-09-18 16:40:49 -07008341 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008342
Michael Chan5b0c76a2005-11-04 08:45:49 -08008343 bp->phy_addr = 1;
8344
Michael Chanb6016b72005-05-26 13:03:09 -07008345 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008346 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan253c8b72007-01-08 19:56:01 -08008347 bnx2_get_5709_media(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00008348 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008349 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008350
Michael Chan0d8a6572007-07-07 22:49:43 -07008351 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008352 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008353 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008354 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008355 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008356 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008357 bp->wol = 0;
8358 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008359 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
Michael Chan38ea3682008-02-23 19:48:57 -08008360 /* Don't do parallel detect on this board because of
8361 * some board problems. The link will not go down
8362 * if we do parallel detect.
8363 */
8364 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8365 pdev->subsystem_device == 0x310c)
8366 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8367 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008368 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008369 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008370 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008371 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008372 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
8373 BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008374 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chan4ce45e02012-12-06 10:33:10 +00008375 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8376 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
8377 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008378 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008379
Michael Chan7c62e832008-07-14 22:39:03 -07008380 bnx2_init_fw_cap(bp);
8381
Michael Chan4ce45e02012-12-06 10:33:10 +00008382 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
8383 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
8384 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
Michael Chane503e062012-12-06 10:33:08 +00008385 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008386 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008387 bp->wol = 0;
8388 }
Michael Chandda1e392006-01-23 16:08:14 -08008389
Michael Chan6d5e85c2013-08-06 15:50:08 -07008390 if (bp->flags & BNX2_FLAG_NO_WOL)
8391 device_set_wakeup_capable(&bp->pdev->dev, false);
8392 else
8393 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
8394
Michael Chan4ce45e02012-12-06 10:33:10 +00008395 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07008396 bp->tx_quick_cons_trip_int =
8397 bp->tx_quick_cons_trip;
8398 bp->tx_ticks_int = bp->tx_ticks;
8399 bp->rx_quick_cons_trip_int =
8400 bp->rx_quick_cons_trip;
8401 bp->rx_ticks_int = bp->rx_ticks;
8402 bp->comp_prod_trip_int = bp->comp_prod_trip;
8403 bp->com_ticks_int = bp->com_ticks;
8404 bp->cmd_ticks_int = bp->cmd_ticks;
8405 }
8406
Michael Chanf9317a42006-09-29 17:06:23 -07008407 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8408 *
8409 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8410 * with byte enables disabled on the unused 32-bit word. This is legal
8411 * but causes problems on the AMD 8132 which will eventually stop
8412 * responding after a while.
8413 *
8414 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008415 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008416 */
Michael Chan4ce45e02012-12-06 10:33:10 +00008417 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
Michael Chanf9317a42006-09-29 17:06:23 -07008418 struct pci_dev *amd_8132 = NULL;
8419
8420 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8421 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8422 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008423
Auke Kok44c10132007-06-08 15:46:36 -07008424 if (amd_8132->revision >= 0x10 &&
8425 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008426 disable_msi = 1;
8427 pci_dev_put(amd_8132);
8428 break;
8429 }
8430 }
8431 }
8432
Michael Chandeaf3912007-07-07 22:48:00 -07008433 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008434 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8435
Michael Chancd339a02005-08-25 15:35:24 -07008436 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008437 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008438 bp->timer.data = (unsigned long) bp;
8439 bp->timer.function = bnx2_timer;
8440
Michael Chan7625eb22011-06-08 19:29:36 +00008441#ifdef BCM_CNIC
Michael Chan41c21782011-07-13 17:24:22 +00008442 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8443 bp->cnic_eth_dev.max_iscsi_conn =
8444 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8445 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +00008446 bp->cnic_probe = bnx2_cnic_probe;
Michael Chan7625eb22011-06-08 19:29:36 +00008447#endif
Michael Chanc239f272010-10-11 16:12:28 -07008448 pci_save_state(pdev);
8449
Michael Chanb6016b72005-05-26 13:03:09 -07008450 return 0;
8451
8452err_out_unmap:
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008453 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008454 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008455 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8456 }
Michael Chanc239f272010-10-11 16:12:28 -07008457
Francois Romieuc0357e92012-03-09 14:51:47 +01008458 pci_iounmap(pdev, bp->regview);
8459 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008460
8461err_out_release:
8462 pci_release_regions(pdev);
8463
8464err_out_disable:
8465 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008466
8467err_out:
8468 return rc;
8469}
8470
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008471static char *
Michael Chan883e5152007-05-03 13:25:11 -07008472bnx2_bus_string(struct bnx2 *bp, char *str)
8473{
8474 char *s = str;
8475
David S. Millerf86e82f2008-01-21 17:15:40 -08008476 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008477 s += sprintf(s, "PCI Express");
8478 } else {
8479 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008480 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008481 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008482 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008483 s += sprintf(s, " 32-bit");
8484 else
8485 s += sprintf(s, " 64-bit");
8486 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8487 }
8488 return str;
8489}
8490
Michael Chanf048fa92010-06-01 15:05:36 +00008491static void
8492bnx2_del_napi(struct bnx2 *bp)
8493{
8494 int i;
8495
8496 for (i = 0; i < bp->irq_nvecs; i++)
8497 netif_napi_del(&bp->bnx2_napi[i].napi);
8498}
8499
8500static void
Michael Chan35efa7c2007-12-20 19:56:37 -08008501bnx2_init_napi(struct bnx2 *bp)
8502{
Michael Chanb4b36042007-12-20 19:59:30 -08008503 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008504
Benjamin Li4327ba42010-03-23 13:13:11 +00008505 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008506 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8507 int (*poll)(struct napi_struct *, int);
8508
8509 if (i == 0)
8510 poll = bnx2_poll;
8511 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008512 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008513
8514 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008515 bnapi->bp = bp;
8516 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008517}
8518
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008519static const struct net_device_ops bnx2_netdev_ops = {
8520 .ndo_open = bnx2_open,
8521 .ndo_start_xmit = bnx2_start_xmit,
8522 .ndo_stop = bnx2_close,
Eric Dumazet5d07bf22010-07-08 04:08:43 +00008523 .ndo_get_stats64 = bnx2_get_stats64,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008524 .ndo_set_rx_mode = bnx2_set_rx_mode,
8525 .ndo_do_ioctl = bnx2_ioctl,
8526 .ndo_validate_addr = eth_validate_addr,
8527 .ndo_set_mac_address = bnx2_change_mac_addr,
8528 .ndo_change_mtu = bnx2_change_mtu,
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008529 .ndo_fix_features = bnx2_fix_features,
8530 .ndo_set_features = bnx2_set_features,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008531 .ndo_tx_timeout = bnx2_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008532#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008533 .ndo_poll_controller = poll_bnx2,
8534#endif
8535};
8536
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008537static int
Michael Chanb6016b72005-05-26 13:03:09 -07008538bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8539{
8540 static int version_printed = 0;
Francois Romieuc0357e92012-03-09 14:51:47 +01008541 struct net_device *dev;
Michael Chanb6016b72005-05-26 13:03:09 -07008542 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008543 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008544 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008545
8546 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008547 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008548
8549 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008550 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008551 if (!dev)
8552 return -ENOMEM;
8553
8554 rc = bnx2_init_board(pdev, dev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008555 if (rc < 0)
8556 goto err_free;
Michael Chanb6016b72005-05-26 13:03:09 -07008557
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008558 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008559 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008560 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008561
Michael Chan972ec0d2006-01-23 16:12:43 -08008562 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008563
Michael Chan1b2f9222007-05-03 13:20:19 -07008564 pci_set_drvdata(pdev, dev);
8565
Joe Perchesd458cdf2013-10-01 19:04:40 -07008566 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
Michael Chan1b2f9222007-05-03 13:20:19 -07008567
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008568 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8569 NETIF_F_TSO | NETIF_F_TSO_ECN |
8570 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8571
Michael Chan4ce45e02012-12-06 10:33:10 +00008572 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008573 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8574
8575 dev->vlan_features = dev->hw_features;
Patrick McHardyf6469682013-04-19 02:04:27 +00008576 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008577 dev->features |= dev->hw_features;
Jiri Pirko01789342011-08-16 06:29:00 +00008578 dev->priv_flags |= IFF_UNICAST_FLT;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008579
Michael Chanb6016b72005-05-26 13:03:09 -07008580 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008581 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008582 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008583 }
8584
Francois Romieuc0357e92012-03-09 14:51:47 +01008585 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
8586 "node addr %pM\n", board_info[ent->driver_data].name,
Michael Chan4ce45e02012-12-06 10:33:10 +00008587 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8588 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
Francois Romieuc0357e92012-03-09 14:51:47 +01008589 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
8590 pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008591
Michael Chanb6016b72005-05-26 13:03:09 -07008592 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008593
8594error:
Michael Chanfda4d852012-12-11 18:24:20 -08008595 pci_iounmap(pdev, bp->regview);
Michael Chan57579f72009-04-04 16:51:14 -07008596 pci_release_regions(pdev);
8597 pci_disable_device(pdev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008598err_free:
Michael Chan57579f72009-04-04 16:51:14 -07008599 free_netdev(dev);
8600 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008601}
8602
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008603static void
Michael Chanb6016b72005-05-26 13:03:09 -07008604bnx2_remove_one(struct pci_dev *pdev)
8605{
8606 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008607 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008608
8609 unregister_netdev(dev);
8610
Neil Horman8333a462011-04-26 10:30:11 +00008611 del_timer_sync(&bp->timer);
Michael Chancd634012011-07-15 06:53:58 +00008612 cancel_work_sync(&bp->reset_task);
Neil Horman8333a462011-04-26 10:30:11 +00008613
Francois Romieuc0357e92012-03-09 14:51:47 +01008614 pci_iounmap(bp->pdev, bp->regview);
Michael Chanb6016b72005-05-26 13:03:09 -07008615
Michael Chan354fcd72010-01-17 07:30:44 +00008616 kfree(bp->temp_stats_blk);
8617
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008618 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008619 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008620 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8621 }
John Feeneycd709aa2010-08-22 17:45:53 +00008622
françois romieu7880b722011-09-30 00:36:52 +00008623 bnx2_release_firmware(bp);
8624
Michael Chanc239f272010-10-11 16:12:28 -07008625 free_netdev(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008626
Michael Chanb6016b72005-05-26 13:03:09 -07008627 pci_release_regions(pdev);
8628 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008629}
8630
Daniel J Blueman77d149c2014-04-11 16:14:26 +08008631#ifdef CONFIG_PM_SLEEP
Michael Chanb6016b72005-05-26 13:03:09 -07008632static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008633bnx2_suspend(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008634{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008635 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008636 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008637 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008638
Michael Chan28fb4eb2013-08-06 15:50:10 -07008639 if (netif_running(dev)) {
8640 cancel_work_sync(&bp->reset_task);
8641 bnx2_netif_stop(bp, true);
8642 netif_device_detach(dev);
8643 del_timer_sync(&bp->timer);
8644 bnx2_shutdown_chip(bp);
8645 __bnx2_free_irq(bp);
8646 bnx2_free_skbs(bp);
8647 }
8648 bnx2_setup_wol(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008649 return 0;
8650}
8651
8652static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008653bnx2_resume(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008654{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008655 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008656 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008657 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008658
8659 if (!netif_running(dev))
8660 return 0;
8661
Pavel Machek829ca9a2005-09-03 15:56:56 -07008662 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008663 netif_device_attach(dev);
Michael Chan28fb4eb2013-08-06 15:50:10 -07008664 bnx2_request_irq(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07008665 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008666 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008667 return 0;
8668}
8669
Michael Chan28fb4eb2013-08-06 15:50:10 -07008670static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
8671#define BNX2_PM_OPS (&bnx2_pm_ops)
8672
8673#else
8674
8675#define BNX2_PM_OPS NULL
8676
8677#endif /* CONFIG_PM_SLEEP */
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008678/**
8679 * bnx2_io_error_detected - called when PCI error is detected
8680 * @pdev: Pointer to PCI device
8681 * @state: The current pci connection state
8682 *
8683 * This function is called after a PCI bus error affecting
8684 * this device has been detected.
8685 */
8686static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8687 pci_channel_state_t state)
8688{
8689 struct net_device *dev = pci_get_drvdata(pdev);
8690 struct bnx2 *bp = netdev_priv(dev);
8691
8692 rtnl_lock();
8693 netif_device_detach(dev);
8694
Dean Nelson2ec3de22009-07-31 09:13:18 +00008695 if (state == pci_channel_io_perm_failure) {
8696 rtnl_unlock();
8697 return PCI_ERS_RESULT_DISCONNECT;
8698 }
8699
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008700 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008701 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008702 del_timer_sync(&bp->timer);
8703 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8704 }
8705
8706 pci_disable_device(pdev);
8707 rtnl_unlock();
8708
8709 /* Request a slot slot reset. */
8710 return PCI_ERS_RESULT_NEED_RESET;
8711}
8712
8713/**
8714 * bnx2_io_slot_reset - called after the pci bus has been reset.
8715 * @pdev: Pointer to PCI device
8716 *
8717 * Restart the card from scratch, as if from a cold-boot.
8718 */
8719static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8720{
8721 struct net_device *dev = pci_get_drvdata(pdev);
8722 struct bnx2 *bp = netdev_priv(dev);
Michael Chan02481bc2013-08-06 15:50:07 -07008723 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
8724 int err = 0;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008725
8726 rtnl_lock();
8727 if (pci_enable_device(pdev)) {
8728 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008729 "Cannot re-enable PCI device after reset\n");
John Feeneycd709aa2010-08-22 17:45:53 +00008730 } else {
8731 pci_set_master(pdev);
8732 pci_restore_state(pdev);
8733 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008734
Michael Chan25bfb1d2013-08-06 15:50:11 -07008735 if (netif_running(dev))
Michael Chan02481bc2013-08-06 15:50:07 -07008736 err = bnx2_init_nic(bp, 1);
Michael Chan25bfb1d2013-08-06 15:50:11 -07008737
Michael Chan02481bc2013-08-06 15:50:07 -07008738 if (!err)
8739 result = PCI_ERS_RESULT_RECOVERED;
8740 }
8741
8742 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
8743 bnx2_napi_enable(bp);
8744 dev_close(dev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008745 }
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008746 rtnl_unlock();
John Feeneycd709aa2010-08-22 17:45:53 +00008747
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008748 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
Michael Chanc239f272010-10-11 16:12:28 -07008749 return result;
8750
John Feeneycd709aa2010-08-22 17:45:53 +00008751 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8752 if (err) {
8753 dev_err(&pdev->dev,
8754 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8755 err); /* non-fatal, continue */
8756 }
8757
8758 return result;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008759}
8760
8761/**
8762 * bnx2_io_resume - called when traffic can start flowing again.
8763 * @pdev: Pointer to PCI device
8764 *
8765 * This callback is called when the error recovery driver tells us that
8766 * its OK to resume normal operation.
8767 */
8768static void bnx2_io_resume(struct pci_dev *pdev)
8769{
8770 struct net_device *dev = pci_get_drvdata(pdev);
8771 struct bnx2 *bp = netdev_priv(dev);
8772
8773 rtnl_lock();
8774 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008775 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008776
8777 netif_device_attach(dev);
8778 rtnl_unlock();
8779}
8780
Michael Chan25bfb1d2013-08-06 15:50:11 -07008781static void bnx2_shutdown(struct pci_dev *pdev)
8782{
8783 struct net_device *dev = pci_get_drvdata(pdev);
8784 struct bnx2 *bp;
8785
8786 if (!dev)
8787 return;
8788
8789 bp = netdev_priv(dev);
8790 if (!bp)
8791 return;
8792
8793 rtnl_lock();
8794 if (netif_running(dev))
8795 dev_close(bp->dev);
8796
8797 if (system_state == SYSTEM_POWER_OFF)
8798 bnx2_set_power_state(bp, PCI_D3hot);
8799
8800 rtnl_unlock();
8801}
8802
Michael Chanfda4d852012-12-11 18:24:20 -08008803static const struct pci_error_handlers bnx2_err_handler = {
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008804 .error_detected = bnx2_io_error_detected,
8805 .slot_reset = bnx2_io_slot_reset,
8806 .resume = bnx2_io_resume,
8807};
8808
Michael Chanb6016b72005-05-26 13:03:09 -07008809static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008810 .name = DRV_MODULE_NAME,
8811 .id_table = bnx2_pci_tbl,
8812 .probe = bnx2_init_one,
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008813 .remove = bnx2_remove_one,
Michael Chan28fb4eb2013-08-06 15:50:10 -07008814 .driver.pm = BNX2_PM_OPS,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008815 .err_handler = &bnx2_err_handler,
Michael Chan25bfb1d2013-08-06 15:50:11 -07008816 .shutdown = bnx2_shutdown,
Michael Chanb6016b72005-05-26 13:03:09 -07008817};
8818
Peter Hüwe5a4123f2013-05-21 12:58:05 +00008819module_pci_driver(bnx2_pci_driver);