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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chana6952b52009-02-12 16:54:48 -08003 * Copyright (c) 2004-2009 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Michael Chanf2a4f052006-03-23 01:13:12 -080012
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15
16#include <linux/kernel.h>
17#include <linux/timer.h>
18#include <linux/errno.h>
19#include <linux/ioport.h>
20#include <linux/slab.h>
21#include <linux/vmalloc.h>
22#include <linux/interrupt.h>
23#include <linux/pci.h>
24#include <linux/init.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/skbuff.h>
28#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070029#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080030#include <asm/io.h>
31#include <asm/irq.h>
32#include <linux/delay.h>
33#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070034#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080035#include <linux/time.h>
36#include <linux/ethtool.h>
37#include <linux/mii.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080038#include <linux/if_vlan.h>
David S. Miller08013fa2008-08-15 19:46:01 -070039#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
Michael Chanf2a4f052006-03-23 01:13:12 -080040#define BCM_VLAN 1
41#endif
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>
Jiri Pirkoccffad252009-05-22 23:22:17 +000051#include <linux/list.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"
61#define PFX DRV_MODULE_NAME ": "
Michael Chan55dbabe2009-12-03 09:46:35 +000062#define DRV_MODULE_VERSION "2.0.3"
63#define DRV_MODULE_RELDATE "Dec 03, 2009"
Michael Chan078b0732009-08-29 00:02:46 -070064#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j3.fw"
65#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
66#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j3.fw"
67#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw"
68#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-5.0.0.j3.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070069
70#define RUN_AT(x) (jiffies + (x))
71
72/* Time in jiffies before concluding the transmitter is hung. */
73#define TX_TIMEOUT (5*HZ)
74
Andrew Mortonfefa8642008-02-09 23:17:15 -080075static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070076 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
77
78MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Benjamin Li453a9c62008-09-18 16:39:16 -070079MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070080MODULE_LICENSE("GPL");
81MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070082MODULE_FIRMWARE(FW_MIPS_FILE_06);
83MODULE_FIRMWARE(FW_RV2P_FILE_06);
84MODULE_FIRMWARE(FW_MIPS_FILE_09);
85MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070086MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070087
88static int disable_msi = 0;
89
90module_param(disable_msi, int, 0);
91MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
92
93typedef enum {
94 BCM5706 = 0,
95 NC370T,
96 NC370I,
97 BCM5706S,
98 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080099 BCM5708,
100 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -0800101 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700102 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700103 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800104 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700105} board_t;
106
107/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800108static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700109 char *name;
110} board_info[] __devinitdata = {
111 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
112 { "HP NC370T Multifunction Gigabit Server Adapter" },
113 { "HP NC370i Multifunction Gigabit Server Adapter" },
114 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
115 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800116 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
117 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800118 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700119 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700120 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800121 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700122 };
123
Michael Chan7bb0a042008-07-14 22:37:47 -0700124static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
126 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
128 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
134 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700141 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700143 { PCI_VENDOR_ID_BROADCOM, 0x163b,
144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800145 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800146 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700147 { 0, }
148};
149
Michael Chan0ced9d02009-08-21 16:20:49 +0000150static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700151{
Michael Chane30372c2007-07-16 18:26:23 -0700152#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
153#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700154 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800155 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700156 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700157 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
158 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800159 /* Expansion entry 0001 */
160 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700161 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800162 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
163 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700164 /* Saifun SA25F010 (non-buffered flash) */
165 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800166 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700167 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700168 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
169 "Non-buffered flash (128kB)"},
170 /* Saifun SA25F020 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800172 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
175 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800176 /* Expansion entry 0100 */
177 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700178 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800179 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
180 "Entry 0100"},
181 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400182 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700183 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800184 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
185 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
186 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
187 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700188 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800189 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
190 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
191 /* Saifun SA25F005 (non-buffered flash) */
192 /* strap, cfg1, & write1 need updates */
193 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700194 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800195 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
196 "Non-buffered flash (64kB)"},
197 /* Fast EEPROM */
198 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700199 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800200 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
201 "EEPROM - fast"},
202 /* Expansion entry 1001 */
203 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700204 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800205 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
206 "Entry 1001"},
207 /* Expansion entry 1010 */
208 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700209 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800210 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
211 "Entry 1010"},
212 /* ATMEL AT45DB011B (buffered flash) */
213 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700214 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800215 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
216 "Buffered flash (128kB)"},
217 /* Expansion entry 1100 */
218 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700219 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800220 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
221 "Entry 1100"},
222 /* Expansion entry 1101 */
223 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700224 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800225 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
226 "Entry 1101"},
227 /* Ateml Expansion entry 1110 */
228 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700229 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800230 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
231 "Entry 1110 (Atmel)"},
232 /* ATMEL AT45DB021B (buffered flash) */
233 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700234 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800235 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
236 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700237};
238
Michael Chan0ced9d02009-08-21 16:20:49 +0000239static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700240 .flags = BNX2_NV_BUFFERED,
241 .page_bits = BCM5709_FLASH_PAGE_BITS,
242 .page_size = BCM5709_FLASH_PAGE_SIZE,
243 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
244 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
245 .name = "5709 Buffered flash (256kB)",
246};
247
Michael Chanb6016b72005-05-26 13:03:09 -0700248MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
249
Michael Chan35e90102008-06-19 16:37:42 -0700250static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700251{
Michael Chan2f8af122006-08-15 01:39:10 -0700252 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700253
Michael Chan2f8af122006-08-15 01:39:10 -0700254 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800255
256 /* The ring uses 256 indices for 255 entries, one of them
257 * needs to be skipped.
258 */
Michael Chan35e90102008-06-19 16:37:42 -0700259 diff = txr->tx_prod - txr->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800260 if (unlikely(diff >= TX_DESC_CNT)) {
261 diff &= 0xffff;
262 if (diff == TX_DESC_CNT)
263 diff = MAX_TX_DESC_CNT;
264 }
Michael Chane89bbf12005-08-25 15:36:58 -0700265 return (bp->tx_ring_size - diff);
266}
267
Michael Chanb6016b72005-05-26 13:03:09 -0700268static u32
269bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
270{
Michael Chan1b8227c2007-05-03 13:24:05 -0700271 u32 val;
272
273 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700274 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700275 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
276 spin_unlock_bh(&bp->indirect_lock);
277 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700278}
279
280static void
281bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
282{
Michael Chan1b8227c2007-05-03 13:24:05 -0700283 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700284 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
285 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700286 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700287}
288
289static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800290bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
291{
292 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
293}
294
295static u32
296bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
297{
298 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
299}
300
301static void
Michael Chanb6016b72005-05-26 13:03:09 -0700302bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
303{
304 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700305 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800306 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
307 int i;
308
309 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
310 REG_WR(bp, BNX2_CTX_CTX_CTRL,
311 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
312 for (i = 0; i < 5; i++) {
Michael Chan59b47d82006-11-19 14:10:45 -0800313 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
314 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
315 break;
316 udelay(5);
317 }
318 } else {
319 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
320 REG_WR(bp, BNX2_CTX_DATA, val);
321 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700322 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700323}
324
Michael Chan4edd4732009-06-08 18:14:42 -0700325#ifdef BCM_CNIC
326static int
327bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
328{
329 struct bnx2 *bp = netdev_priv(dev);
330 struct drv_ctl_io *io = &info->data.io;
331
332 switch (info->cmd) {
333 case DRV_CTL_IO_WR_CMD:
334 bnx2_reg_wr_ind(bp, io->offset, io->data);
335 break;
336 case DRV_CTL_IO_RD_CMD:
337 io->data = bnx2_reg_rd_ind(bp, io->offset);
338 break;
339 case DRV_CTL_CTX_WR_CMD:
340 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
341 break;
342 default:
343 return -EINVAL;
344 }
345 return 0;
346}
347
348static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
349{
350 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
351 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
352 int sb_id;
353
354 if (bp->flags & BNX2_FLAG_USING_MSIX) {
355 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
356 bnapi->cnic_present = 0;
357 sb_id = bp->irq_nvecs;
358 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
359 } else {
360 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
361 bnapi->cnic_tag = bnapi->last_status_idx;
362 bnapi->cnic_present = 1;
363 sb_id = 0;
364 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
365 }
366
367 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
368 cp->irq_arr[0].status_blk = (void *)
369 ((unsigned long) bnapi->status_blk.msi +
370 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
371 cp->irq_arr[0].status_blk_num = sb_id;
372 cp->num_irq = 1;
373}
374
375static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
376 void *data)
377{
378 struct bnx2 *bp = netdev_priv(dev);
379 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
380
381 if (ops == NULL)
382 return -EINVAL;
383
384 if (cp->drv_state & CNIC_DRV_STATE_REGD)
385 return -EBUSY;
386
387 bp->cnic_data = data;
388 rcu_assign_pointer(bp->cnic_ops, ops);
389
390 cp->num_irq = 0;
391 cp->drv_state = CNIC_DRV_STATE_REGD;
392
393 bnx2_setup_cnic_irq_info(bp);
394
395 return 0;
396}
397
398static int bnx2_unregister_cnic(struct net_device *dev)
399{
400 struct bnx2 *bp = netdev_priv(dev);
401 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
402 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
403
Michael Chanc5a88952009-08-14 15:49:45 +0000404 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700405 cp->drv_state = 0;
406 bnapi->cnic_present = 0;
407 rcu_assign_pointer(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000408 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700409 synchronize_rcu();
410 return 0;
411}
412
413struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
414{
415 struct bnx2 *bp = netdev_priv(dev);
416 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
417
418 cp->drv_owner = THIS_MODULE;
419 cp->chip_id = bp->chip_id;
420 cp->pdev = bp->pdev;
421 cp->io_base = bp->regview;
422 cp->drv_ctl = bnx2_drv_ctl;
423 cp->drv_register_cnic = bnx2_register_cnic;
424 cp->drv_unregister_cnic = bnx2_unregister_cnic;
425
426 return cp;
427}
428EXPORT_SYMBOL(bnx2_cnic_probe);
429
430static void
431bnx2_cnic_stop(struct bnx2 *bp)
432{
433 struct cnic_ops *c_ops;
434 struct cnic_ctl_info info;
435
Michael Chanc5a88952009-08-14 15:49:45 +0000436 mutex_lock(&bp->cnic_lock);
437 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700438 if (c_ops) {
439 info.cmd = CNIC_CTL_STOP_CMD;
440 c_ops->cnic_ctl(bp->cnic_data, &info);
441 }
Michael Chanc5a88952009-08-14 15:49:45 +0000442 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700443}
444
445static void
446bnx2_cnic_start(struct bnx2 *bp)
447{
448 struct cnic_ops *c_ops;
449 struct cnic_ctl_info info;
450
Michael Chanc5a88952009-08-14 15:49:45 +0000451 mutex_lock(&bp->cnic_lock);
452 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700453 if (c_ops) {
454 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
455 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
456
457 bnapi->cnic_tag = bnapi->last_status_idx;
458 }
459 info.cmd = CNIC_CTL_START_CMD;
460 c_ops->cnic_ctl(bp->cnic_data, &info);
461 }
Michael Chanc5a88952009-08-14 15:49:45 +0000462 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700463}
464
465#else
466
467static void
468bnx2_cnic_stop(struct bnx2 *bp)
469{
470}
471
472static void
473bnx2_cnic_start(struct bnx2 *bp)
474{
475}
476
477#endif
478
Michael Chanb6016b72005-05-26 13:03:09 -0700479static int
480bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
481{
482 u32 val1;
483 int i, ret;
484
Michael Chan583c28e2008-01-21 19:51:35 -0800485 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700486 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
487 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
488
489 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
490 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
491
492 udelay(40);
493 }
494
495 val1 = (bp->phy_addr << 21) | (reg << 16) |
496 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
497 BNX2_EMAC_MDIO_COMM_START_BUSY;
498 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
499
500 for (i = 0; i < 50; i++) {
501 udelay(10);
502
503 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
504 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
505 udelay(5);
506
507 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
508 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
509
510 break;
511 }
512 }
513
514 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
515 *val = 0x0;
516 ret = -EBUSY;
517 }
518 else {
519 *val = val1;
520 ret = 0;
521 }
522
Michael Chan583c28e2008-01-21 19:51:35 -0800523 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700524 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
525 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
526
527 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
528 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
529
530 udelay(40);
531 }
532
533 return ret;
534}
535
536static int
537bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
538{
539 u32 val1;
540 int i, ret;
541
Michael Chan583c28e2008-01-21 19:51:35 -0800542 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700543 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
544 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
545
546 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
547 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
548
549 udelay(40);
550 }
551
552 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
553 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
554 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
555 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400556
Michael Chanb6016b72005-05-26 13:03:09 -0700557 for (i = 0; i < 50; i++) {
558 udelay(10);
559
560 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
561 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
562 udelay(5);
563 break;
564 }
565 }
566
567 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
568 ret = -EBUSY;
569 else
570 ret = 0;
571
Michael Chan583c28e2008-01-21 19:51:35 -0800572 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700573 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
574 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
575
576 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
577 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
578
579 udelay(40);
580 }
581
582 return ret;
583}
584
585static void
586bnx2_disable_int(struct bnx2 *bp)
587{
Michael Chanb4b36042007-12-20 19:59:30 -0800588 int i;
589 struct bnx2_napi *bnapi;
590
591 for (i = 0; i < bp->irq_nvecs; i++) {
592 bnapi = &bp->bnx2_napi[i];
593 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
594 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
595 }
Michael Chanb6016b72005-05-26 13:03:09 -0700596 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
597}
598
599static void
600bnx2_enable_int(struct bnx2 *bp)
601{
Michael Chanb4b36042007-12-20 19:59:30 -0800602 int i;
603 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800604
Michael Chanb4b36042007-12-20 19:59:30 -0800605 for (i = 0; i < bp->irq_nvecs; i++) {
606 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800607
Michael Chanb4b36042007-12-20 19:59:30 -0800608 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
609 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
610 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
611 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700612
Michael Chanb4b36042007-12-20 19:59:30 -0800613 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
614 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
615 bnapi->last_status_idx);
616 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800617 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700618}
619
620static void
621bnx2_disable_int_sync(struct bnx2 *bp)
622{
Michael Chanb4b36042007-12-20 19:59:30 -0800623 int i;
624
Michael Chanb6016b72005-05-26 13:03:09 -0700625 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000626 if (!netif_running(bp->dev))
627 return;
628
Michael Chanb6016b72005-05-26 13:03:09 -0700629 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800630 for (i = 0; i < bp->irq_nvecs; i++)
631 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700632}
633
634static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800635bnx2_napi_disable(struct bnx2 *bp)
636{
Michael Chanb4b36042007-12-20 19:59:30 -0800637 int i;
638
639 for (i = 0; i < bp->irq_nvecs; i++)
640 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800641}
642
643static void
644bnx2_napi_enable(struct bnx2 *bp)
645{
Michael Chanb4b36042007-12-20 19:59:30 -0800646 int i;
647
648 for (i = 0; i < bp->irq_nvecs; i++)
649 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800650}
651
652static void
Michael Chanb6016b72005-05-26 13:03:09 -0700653bnx2_netif_stop(struct bnx2 *bp)
654{
Michael Chan4edd4732009-06-08 18:14:42 -0700655 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700656 if (netif_running(bp->dev)) {
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800657 int i;
658
Michael Chan35efa7c2007-12-20 19:56:37 -0800659 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700660 netif_tx_disable(bp->dev);
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800661 /* prevent tx timeout */
662 for (i = 0; i < bp->dev->num_tx_queues; i++) {
663 struct netdev_queue *txq;
664
665 txq = netdev_get_tx_queue(bp->dev, i);
666 txq->trans_start = jiffies;
667 }
Michael Chanb6016b72005-05-26 13:03:09 -0700668 }
Michael Chanb7466562009-12-20 18:40:18 -0800669 bnx2_disable_int_sync(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700670}
671
672static void
673bnx2_netif_start(struct bnx2 *bp)
674{
675 if (atomic_dec_and_test(&bp->intr_sem)) {
676 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700677 netif_tx_wake_all_queues(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800678 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700679 bnx2_enable_int(bp);
Michael Chan4edd4732009-06-08 18:14:42 -0700680 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700681 }
682 }
683}
684
685static void
Michael Chan35e90102008-06-19 16:37:42 -0700686bnx2_free_tx_mem(struct bnx2 *bp)
687{
688 int i;
689
690 for (i = 0; i < bp->num_tx_rings; i++) {
691 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
692 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
693
694 if (txr->tx_desc_ring) {
695 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
696 txr->tx_desc_ring,
697 txr->tx_desc_mapping);
698 txr->tx_desc_ring = NULL;
699 }
700 kfree(txr->tx_buf_ring);
701 txr->tx_buf_ring = NULL;
702 }
703}
704
Michael Chanbb4f98a2008-06-19 16:38:19 -0700705static void
706bnx2_free_rx_mem(struct bnx2 *bp)
707{
708 int i;
709
710 for (i = 0; i < bp->num_rx_rings; i++) {
711 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
712 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
713 int j;
714
715 for (j = 0; j < bp->rx_max_ring; j++) {
716 if (rxr->rx_desc_ring[j])
717 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
718 rxr->rx_desc_ring[j],
719 rxr->rx_desc_mapping[j]);
720 rxr->rx_desc_ring[j] = NULL;
721 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000722 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700723 rxr->rx_buf_ring = NULL;
724
725 for (j = 0; j < bp->rx_max_pg_ring; j++) {
726 if (rxr->rx_pg_desc_ring[j])
727 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan3298a732008-12-17 19:06:08 -0800728 rxr->rx_pg_desc_ring[j],
729 rxr->rx_pg_desc_mapping[j]);
730 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700731 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000732 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700733 rxr->rx_pg_ring = NULL;
734 }
735}
736
Michael Chan35e90102008-06-19 16:37:42 -0700737static int
738bnx2_alloc_tx_mem(struct bnx2 *bp)
739{
740 int i;
741
742 for (i = 0; i < bp->num_tx_rings; i++) {
743 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
744 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
745
746 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
747 if (txr->tx_buf_ring == NULL)
748 return -ENOMEM;
749
750 txr->tx_desc_ring =
751 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
752 &txr->tx_desc_mapping);
753 if (txr->tx_desc_ring == NULL)
754 return -ENOMEM;
755 }
756 return 0;
757}
758
Michael Chanbb4f98a2008-06-19 16:38:19 -0700759static int
760bnx2_alloc_rx_mem(struct bnx2 *bp)
761{
762 int i;
763
764 for (i = 0; i < bp->num_rx_rings; i++) {
765 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
766 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
767 int j;
768
769 rxr->rx_buf_ring =
770 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
771 if (rxr->rx_buf_ring == NULL)
772 return -ENOMEM;
773
774 memset(rxr->rx_buf_ring, 0,
775 SW_RXBD_RING_SIZE * bp->rx_max_ring);
776
777 for (j = 0; j < bp->rx_max_ring; j++) {
778 rxr->rx_desc_ring[j] =
779 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
780 &rxr->rx_desc_mapping[j]);
781 if (rxr->rx_desc_ring[j] == NULL)
782 return -ENOMEM;
783
784 }
785
786 if (bp->rx_pg_ring_size) {
787 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
788 bp->rx_max_pg_ring);
789 if (rxr->rx_pg_ring == NULL)
790 return -ENOMEM;
791
792 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
793 bp->rx_max_pg_ring);
794 }
795
796 for (j = 0; j < bp->rx_max_pg_ring; j++) {
797 rxr->rx_pg_desc_ring[j] =
798 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
799 &rxr->rx_pg_desc_mapping[j]);
800 if (rxr->rx_pg_desc_ring[j] == NULL)
801 return -ENOMEM;
802
803 }
804 }
805 return 0;
806}
807
Michael Chan35e90102008-06-19 16:37:42 -0700808static void
Michael Chanb6016b72005-05-26 13:03:09 -0700809bnx2_free_mem(struct bnx2 *bp)
810{
Michael Chan13daffa2006-03-20 17:49:20 -0800811 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700812 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800813
Michael Chan35e90102008-06-19 16:37:42 -0700814 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700815 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700816
Michael Chan59b47d82006-11-19 14:10:45 -0800817 for (i = 0; i < bp->ctx_pages; i++) {
818 if (bp->ctx_blk[i]) {
819 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
820 bp->ctx_blk[i],
821 bp->ctx_blk_mapping[i]);
822 bp->ctx_blk[i] = NULL;
823 }
824 }
Michael Chan43e80b82008-06-19 16:41:08 -0700825 if (bnapi->status_blk.msi) {
Michael Chan0f31f992006-03-23 01:12:38 -0800826 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chan43e80b82008-06-19 16:41:08 -0700827 bnapi->status_blk.msi,
828 bp->status_blk_mapping);
829 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800830 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700831 }
Michael Chanb6016b72005-05-26 13:03:09 -0700832}
833
834static int
835bnx2_alloc_mem(struct bnx2 *bp)
836{
Michael Chan35e90102008-06-19 16:37:42 -0700837 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700838 struct bnx2_napi *bnapi;
839 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700840
Michael Chan0f31f992006-03-23 01:12:38 -0800841 /* Combine status and statistics blocks into one allocation. */
842 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800843 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800844 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
845 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800846 bp->status_stats_size = status_blk_size +
847 sizeof(struct statistics_block);
848
Michael Chan43e80b82008-06-19 16:41:08 -0700849 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
850 &bp->status_blk_mapping);
851 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700852 goto alloc_mem_err;
853
Michael Chan43e80b82008-06-19 16:41:08 -0700854 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700855
Michael Chan43e80b82008-06-19 16:41:08 -0700856 bnapi = &bp->bnx2_napi[0];
857 bnapi->status_blk.msi = status_blk;
858 bnapi->hw_tx_cons_ptr =
859 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
860 bnapi->hw_rx_cons_ptr =
861 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800862 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800863 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700864 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800865
Michael Chan43e80b82008-06-19 16:41:08 -0700866 bnapi = &bp->bnx2_napi[i];
867
868 sblk = (void *) (status_blk +
869 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
870 bnapi->status_blk.msix = sblk;
871 bnapi->hw_tx_cons_ptr =
872 &sblk->status_tx_quick_consumer_index;
873 bnapi->hw_rx_cons_ptr =
874 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800875 bnapi->int_num = i << 24;
876 }
877 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800878
Michael Chan43e80b82008-06-19 16:41:08 -0700879 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700880
Michael Chan0f31f992006-03-23 01:12:38 -0800881 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700882
Michael Chan59b47d82006-11-19 14:10:45 -0800883 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
884 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
885 if (bp->ctx_pages == 0)
886 bp->ctx_pages = 1;
887 for (i = 0; i < bp->ctx_pages; i++) {
888 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
889 BCM_PAGE_SIZE,
890 &bp->ctx_blk_mapping[i]);
891 if (bp->ctx_blk[i] == NULL)
892 goto alloc_mem_err;
893 }
894 }
Michael Chan35e90102008-06-19 16:37:42 -0700895
Michael Chanbb4f98a2008-06-19 16:38:19 -0700896 err = bnx2_alloc_rx_mem(bp);
897 if (err)
898 goto alloc_mem_err;
899
Michael Chan35e90102008-06-19 16:37:42 -0700900 err = bnx2_alloc_tx_mem(bp);
901 if (err)
902 goto alloc_mem_err;
903
Michael Chanb6016b72005-05-26 13:03:09 -0700904 return 0;
905
906alloc_mem_err:
907 bnx2_free_mem(bp);
908 return -ENOMEM;
909}
910
911static void
Michael Chane3648b32005-11-04 08:51:21 -0800912bnx2_report_fw_link(struct bnx2 *bp)
913{
914 u32 fw_link_status = 0;
915
Michael Chan583c28e2008-01-21 19:51:35 -0800916 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700917 return;
918
Michael Chane3648b32005-11-04 08:51:21 -0800919 if (bp->link_up) {
920 u32 bmsr;
921
922 switch (bp->line_speed) {
923 case SPEED_10:
924 if (bp->duplex == DUPLEX_HALF)
925 fw_link_status = BNX2_LINK_STATUS_10HALF;
926 else
927 fw_link_status = BNX2_LINK_STATUS_10FULL;
928 break;
929 case SPEED_100:
930 if (bp->duplex == DUPLEX_HALF)
931 fw_link_status = BNX2_LINK_STATUS_100HALF;
932 else
933 fw_link_status = BNX2_LINK_STATUS_100FULL;
934 break;
935 case SPEED_1000:
936 if (bp->duplex == DUPLEX_HALF)
937 fw_link_status = BNX2_LINK_STATUS_1000HALF;
938 else
939 fw_link_status = BNX2_LINK_STATUS_1000FULL;
940 break;
941 case SPEED_2500:
942 if (bp->duplex == DUPLEX_HALF)
943 fw_link_status = BNX2_LINK_STATUS_2500HALF;
944 else
945 fw_link_status = BNX2_LINK_STATUS_2500FULL;
946 break;
947 }
948
949 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
950
951 if (bp->autoneg) {
952 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
953
Michael Chanca58c3a2007-05-03 13:22:52 -0700954 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
955 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800956
957 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800958 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800959 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
960 else
961 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
962 }
963 }
964 else
965 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
966
Michael Chan2726d6e2008-01-29 21:35:05 -0800967 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800968}
969
Michael Chan9b1084b2007-07-07 22:50:37 -0700970static char *
971bnx2_xceiver_str(struct bnx2 *bp)
972{
973 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800974 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700975 "Copper"));
976}
977
Michael Chane3648b32005-11-04 08:51:21 -0800978static void
Michael Chanb6016b72005-05-26 13:03:09 -0700979bnx2_report_link(struct bnx2 *bp)
980{
981 if (bp->link_up) {
982 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700983 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
984 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700985
986 printk("%d Mbps ", bp->line_speed);
987
988 if (bp->duplex == DUPLEX_FULL)
989 printk("full duplex");
990 else
991 printk("half duplex");
992
993 if (bp->flow_ctrl) {
994 if (bp->flow_ctrl & FLOW_CTRL_RX) {
995 printk(", receive ");
996 if (bp->flow_ctrl & FLOW_CTRL_TX)
997 printk("& transmit ");
998 }
999 else {
1000 printk(", transmit ");
1001 }
1002 printk("flow control ON");
1003 }
1004 printk("\n");
1005 }
1006 else {
1007 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -07001008 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
1009 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001010 }
Michael Chane3648b32005-11-04 08:51:21 -08001011
1012 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001013}
1014
1015static void
1016bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1017{
1018 u32 local_adv, remote_adv;
1019
1020 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001021 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001022 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1023
1024 if (bp->duplex == DUPLEX_FULL) {
1025 bp->flow_ctrl = bp->req_flow_ctrl;
1026 }
1027 return;
1028 }
1029
1030 if (bp->duplex != DUPLEX_FULL) {
1031 return;
1032 }
1033
Michael Chan583c28e2008-01-21 19:51:35 -08001034 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -08001035 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1036 u32 val;
1037
1038 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1039 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1040 bp->flow_ctrl |= FLOW_CTRL_TX;
1041 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1042 bp->flow_ctrl |= FLOW_CTRL_RX;
1043 return;
1044 }
1045
Michael Chanca58c3a2007-05-03 13:22:52 -07001046 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1047 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001048
Michael Chan583c28e2008-01-21 19:51:35 -08001049 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001050 u32 new_local_adv = 0;
1051 u32 new_remote_adv = 0;
1052
1053 if (local_adv & ADVERTISE_1000XPAUSE)
1054 new_local_adv |= ADVERTISE_PAUSE_CAP;
1055 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1056 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1057 if (remote_adv & ADVERTISE_1000XPAUSE)
1058 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1059 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1060 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1061
1062 local_adv = new_local_adv;
1063 remote_adv = new_remote_adv;
1064 }
1065
1066 /* See Table 28B-3 of 802.3ab-1999 spec. */
1067 if (local_adv & ADVERTISE_PAUSE_CAP) {
1068 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1069 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1070 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1071 }
1072 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1073 bp->flow_ctrl = FLOW_CTRL_RX;
1074 }
1075 }
1076 else {
1077 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1078 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1079 }
1080 }
1081 }
1082 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1083 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1084 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1085
1086 bp->flow_ctrl = FLOW_CTRL_TX;
1087 }
1088 }
1089}
1090
1091static int
Michael Chan27a005b2007-05-03 13:23:41 -07001092bnx2_5709s_linkup(struct bnx2 *bp)
1093{
1094 u32 val, speed;
1095
1096 bp->link_up = 1;
1097
1098 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1099 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1100 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1101
1102 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1103 bp->line_speed = bp->req_line_speed;
1104 bp->duplex = bp->req_duplex;
1105 return 0;
1106 }
1107 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1108 switch (speed) {
1109 case MII_BNX2_GP_TOP_AN_SPEED_10:
1110 bp->line_speed = SPEED_10;
1111 break;
1112 case MII_BNX2_GP_TOP_AN_SPEED_100:
1113 bp->line_speed = SPEED_100;
1114 break;
1115 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1116 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1117 bp->line_speed = SPEED_1000;
1118 break;
1119 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1120 bp->line_speed = SPEED_2500;
1121 break;
1122 }
1123 if (val & MII_BNX2_GP_TOP_AN_FD)
1124 bp->duplex = DUPLEX_FULL;
1125 else
1126 bp->duplex = DUPLEX_HALF;
1127 return 0;
1128}
1129
1130static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001131bnx2_5708s_linkup(struct bnx2 *bp)
1132{
1133 u32 val;
1134
1135 bp->link_up = 1;
1136 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1137 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1138 case BCM5708S_1000X_STAT1_SPEED_10:
1139 bp->line_speed = SPEED_10;
1140 break;
1141 case BCM5708S_1000X_STAT1_SPEED_100:
1142 bp->line_speed = SPEED_100;
1143 break;
1144 case BCM5708S_1000X_STAT1_SPEED_1G:
1145 bp->line_speed = SPEED_1000;
1146 break;
1147 case BCM5708S_1000X_STAT1_SPEED_2G5:
1148 bp->line_speed = SPEED_2500;
1149 break;
1150 }
1151 if (val & BCM5708S_1000X_STAT1_FD)
1152 bp->duplex = DUPLEX_FULL;
1153 else
1154 bp->duplex = DUPLEX_HALF;
1155
1156 return 0;
1157}
1158
1159static int
1160bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001161{
1162 u32 bmcr, local_adv, remote_adv, common;
1163
1164 bp->link_up = 1;
1165 bp->line_speed = SPEED_1000;
1166
Michael Chanca58c3a2007-05-03 13:22:52 -07001167 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001168 if (bmcr & BMCR_FULLDPLX) {
1169 bp->duplex = DUPLEX_FULL;
1170 }
1171 else {
1172 bp->duplex = DUPLEX_HALF;
1173 }
1174
1175 if (!(bmcr & BMCR_ANENABLE)) {
1176 return 0;
1177 }
1178
Michael Chanca58c3a2007-05-03 13:22:52 -07001179 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1180 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001181
1182 common = local_adv & remote_adv;
1183 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1184
1185 if (common & ADVERTISE_1000XFULL) {
1186 bp->duplex = DUPLEX_FULL;
1187 }
1188 else {
1189 bp->duplex = DUPLEX_HALF;
1190 }
1191 }
1192
1193 return 0;
1194}
1195
1196static int
1197bnx2_copper_linkup(struct bnx2 *bp)
1198{
1199 u32 bmcr;
1200
Michael Chanca58c3a2007-05-03 13:22:52 -07001201 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001202 if (bmcr & BMCR_ANENABLE) {
1203 u32 local_adv, remote_adv, common;
1204
1205 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1206 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1207
1208 common = local_adv & (remote_adv >> 2);
1209 if (common & ADVERTISE_1000FULL) {
1210 bp->line_speed = SPEED_1000;
1211 bp->duplex = DUPLEX_FULL;
1212 }
1213 else if (common & ADVERTISE_1000HALF) {
1214 bp->line_speed = SPEED_1000;
1215 bp->duplex = DUPLEX_HALF;
1216 }
1217 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001218 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1219 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001220
1221 common = local_adv & remote_adv;
1222 if (common & ADVERTISE_100FULL) {
1223 bp->line_speed = SPEED_100;
1224 bp->duplex = DUPLEX_FULL;
1225 }
1226 else if (common & ADVERTISE_100HALF) {
1227 bp->line_speed = SPEED_100;
1228 bp->duplex = DUPLEX_HALF;
1229 }
1230 else if (common & ADVERTISE_10FULL) {
1231 bp->line_speed = SPEED_10;
1232 bp->duplex = DUPLEX_FULL;
1233 }
1234 else if (common & ADVERTISE_10HALF) {
1235 bp->line_speed = SPEED_10;
1236 bp->duplex = DUPLEX_HALF;
1237 }
1238 else {
1239 bp->line_speed = 0;
1240 bp->link_up = 0;
1241 }
1242 }
1243 }
1244 else {
1245 if (bmcr & BMCR_SPEED100) {
1246 bp->line_speed = SPEED_100;
1247 }
1248 else {
1249 bp->line_speed = SPEED_10;
1250 }
1251 if (bmcr & BMCR_FULLDPLX) {
1252 bp->duplex = DUPLEX_FULL;
1253 }
1254 else {
1255 bp->duplex = DUPLEX_HALF;
1256 }
1257 }
1258
1259 return 0;
1260}
1261
Michael Chan83e3fc82008-01-29 21:37:17 -08001262static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001263bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001264{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001265 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001266
1267 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1268 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1269 val |= 0x02 << 8;
1270
1271 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1272 u32 lo_water, hi_water;
1273
1274 if (bp->flow_ctrl & FLOW_CTRL_TX)
1275 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1276 else
1277 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1278 if (lo_water >= bp->rx_ring_size)
1279 lo_water = 0;
1280
1281 hi_water = bp->rx_ring_size / 4;
1282
1283 if (hi_water <= lo_water)
1284 lo_water = 0;
1285
1286 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1287 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1288
1289 if (hi_water > 0xf)
1290 hi_water = 0xf;
1291 else if (hi_water == 0)
1292 lo_water = 0;
1293 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1294 }
1295 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1296}
1297
Michael Chanbb4f98a2008-06-19 16:38:19 -07001298static void
1299bnx2_init_all_rx_contexts(struct bnx2 *bp)
1300{
1301 int i;
1302 u32 cid;
1303
1304 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1305 if (i == 1)
1306 cid = RX_RSS_CID;
1307 bnx2_init_rx_context(bp, cid);
1308 }
1309}
1310
Benjamin Li344478d2008-09-18 16:38:24 -07001311static void
Michael Chanb6016b72005-05-26 13:03:09 -07001312bnx2_set_mac_link(struct bnx2 *bp)
1313{
1314 u32 val;
1315
1316 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1317 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1318 (bp->duplex == DUPLEX_HALF)) {
1319 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1320 }
1321
1322 /* Configure the EMAC mode register. */
1323 val = REG_RD(bp, BNX2_EMAC_MODE);
1324
1325 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001326 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001327 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001328
1329 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001330 switch (bp->line_speed) {
1331 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001332 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1333 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001334 break;
1335 }
1336 /* fall through */
1337 case SPEED_100:
1338 val |= BNX2_EMAC_MODE_PORT_MII;
1339 break;
1340 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001341 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001342 /* fall through */
1343 case SPEED_1000:
1344 val |= BNX2_EMAC_MODE_PORT_GMII;
1345 break;
1346 }
Michael Chanb6016b72005-05-26 13:03:09 -07001347 }
1348 else {
1349 val |= BNX2_EMAC_MODE_PORT_GMII;
1350 }
1351
1352 /* Set the MAC to operate in the appropriate duplex mode. */
1353 if (bp->duplex == DUPLEX_HALF)
1354 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1355 REG_WR(bp, BNX2_EMAC_MODE, val);
1356
1357 /* Enable/disable rx PAUSE. */
1358 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1359
1360 if (bp->flow_ctrl & FLOW_CTRL_RX)
1361 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1362 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1363
1364 /* Enable/disable tx PAUSE. */
1365 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1366 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1367
1368 if (bp->flow_ctrl & FLOW_CTRL_TX)
1369 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1370 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1371
1372 /* Acknowledge the interrupt. */
1373 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1374
Michael Chan83e3fc82008-01-29 21:37:17 -08001375 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chanbb4f98a2008-06-19 16:38:19 -07001376 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001377}
1378
Michael Chan27a005b2007-05-03 13:23:41 -07001379static void
1380bnx2_enable_bmsr1(struct bnx2 *bp)
1381{
Michael Chan583c28e2008-01-21 19:51:35 -08001382 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001383 (CHIP_NUM(bp) == CHIP_NUM_5709))
1384 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1385 MII_BNX2_BLK_ADDR_GP_STATUS);
1386}
1387
1388static void
1389bnx2_disable_bmsr1(struct bnx2 *bp)
1390{
Michael Chan583c28e2008-01-21 19:51:35 -08001391 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001392 (CHIP_NUM(bp) == CHIP_NUM_5709))
1393 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1394 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1395}
1396
Michael Chanb6016b72005-05-26 13:03:09 -07001397static int
Michael Chan605a9e22007-05-03 13:23:13 -07001398bnx2_test_and_enable_2g5(struct bnx2 *bp)
1399{
1400 u32 up1;
1401 int ret = 1;
1402
Michael Chan583c28e2008-01-21 19:51:35 -08001403 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001404 return 0;
1405
1406 if (bp->autoneg & AUTONEG_SPEED)
1407 bp->advertising |= ADVERTISED_2500baseX_Full;
1408
Michael Chan27a005b2007-05-03 13:23:41 -07001409 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1410 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1411
Michael Chan605a9e22007-05-03 13:23:13 -07001412 bnx2_read_phy(bp, bp->mii_up1, &up1);
1413 if (!(up1 & BCM5708S_UP1_2G5)) {
1414 up1 |= BCM5708S_UP1_2G5;
1415 bnx2_write_phy(bp, bp->mii_up1, up1);
1416 ret = 0;
1417 }
1418
Michael Chan27a005b2007-05-03 13:23:41 -07001419 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1420 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1421 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1422
Michael Chan605a9e22007-05-03 13:23:13 -07001423 return ret;
1424}
1425
1426static int
1427bnx2_test_and_disable_2g5(struct bnx2 *bp)
1428{
1429 u32 up1;
1430 int ret = 0;
1431
Michael Chan583c28e2008-01-21 19:51:35 -08001432 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001433 return 0;
1434
Michael Chan27a005b2007-05-03 13:23:41 -07001435 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1436 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1437
Michael Chan605a9e22007-05-03 13:23:13 -07001438 bnx2_read_phy(bp, bp->mii_up1, &up1);
1439 if (up1 & BCM5708S_UP1_2G5) {
1440 up1 &= ~BCM5708S_UP1_2G5;
1441 bnx2_write_phy(bp, bp->mii_up1, up1);
1442 ret = 1;
1443 }
1444
Michael Chan27a005b2007-05-03 13:23:41 -07001445 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1446 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1447 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1448
Michael Chan605a9e22007-05-03 13:23:13 -07001449 return ret;
1450}
1451
1452static void
1453bnx2_enable_forced_2g5(struct bnx2 *bp)
1454{
1455 u32 bmcr;
1456
Michael Chan583c28e2008-01-21 19:51:35 -08001457 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001458 return;
1459
Michael Chan27a005b2007-05-03 13:23:41 -07001460 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1461 u32 val;
1462
1463 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1464 MII_BNX2_BLK_ADDR_SERDES_DIG);
1465 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1466 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1467 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1468 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1469
1470 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1471 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1472 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1473
1474 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001475 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1476 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001477 } else {
1478 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001479 }
1480
1481 if (bp->autoneg & AUTONEG_SPEED) {
1482 bmcr &= ~BMCR_ANENABLE;
1483 if (bp->req_duplex == DUPLEX_FULL)
1484 bmcr |= BMCR_FULLDPLX;
1485 }
1486 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1487}
1488
1489static void
1490bnx2_disable_forced_2g5(struct bnx2 *bp)
1491{
1492 u32 bmcr;
1493
Michael Chan583c28e2008-01-21 19:51:35 -08001494 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001495 return;
1496
Michael Chan27a005b2007-05-03 13:23:41 -07001497 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1498 u32 val;
1499
1500 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1501 MII_BNX2_BLK_ADDR_SERDES_DIG);
1502 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1503 val &= ~MII_BNX2_SD_MISC1_FORCE;
1504 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1505
1506 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1507 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1508 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1509
1510 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001511 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1512 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001513 } else {
1514 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001515 }
1516
1517 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 Chanb6016b72005-05-26 13:03:09 -07001557 (CHIP_NUM(bp) == CHIP_NUM_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 Chanb6016b72005-05-26 13:03:09 -07001564 val = REG_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 Chan5b0c76a2005-11-04 08:45:49 -08001581 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1582 bnx2_5706s_linkup(bp);
1583 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1584 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001585 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1586 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)
Michael Chan0d8a6572007-07-07 22:49:43 -07001747 return (bnx2_setup_remote_phy(bp, port));
1748
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 Chan27a005b2007-05-03 13:23:41 -07001767 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1768 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
1775 } else if (CHIP_NUM(bp) == CHIP_NUM_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;
1952 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1953 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1954 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;
1982 case BNX2_LINK_STATUS_10FULL:
1983 bp->line_speed = SPEED_10;
1984 break;
1985 case BNX2_LINK_STATUS_100HALF:
1986 bp->duplex = DUPLEX_HALF;
1987 case BNX2_LINK_STATUS_100BASE_T4:
1988 case BNX2_LINK_STATUS_100FULL:
1989 bp->line_speed = SPEED_100;
1990 break;
1991 case BNX2_LINK_STATUS_1000HALF:
1992 bp->duplex = DUPLEX_HALF;
1993 case BNX2_LINK_STATUS_1000FULL:
1994 bp->line_speed = SPEED_1000;
1995 break;
1996 case BNX2_LINK_STATUS_2500HALF:
1997 bp->duplex = DUPLEX_HALF;
1998 case BNX2_LINK_STATUS_2500FULL:
1999 bp->line_speed = SPEED_2500;
2000 break;
2001 default:
2002 bp->line_speed = 0;
2003 break;
2004 }
2005
Michael Chan0d8a6572007-07-07 22:49:43 -07002006 bp->flow_ctrl = 0;
2007 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2008 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2009 if (bp->duplex == DUPLEX_FULL)
2010 bp->flow_ctrl = bp->req_flow_ctrl;
2011 } else {
2012 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2013 bp->flow_ctrl |= FLOW_CTRL_TX;
2014 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2015 bp->flow_ctrl |= FLOW_CTRL_RX;
2016 }
2017
2018 old_port = bp->phy_port;
2019 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2020 bp->phy_port = PORT_FIBRE;
2021 else
2022 bp->phy_port = PORT_TP;
2023
2024 if (old_port != bp->phy_port)
2025 bnx2_set_default_link(bp);
2026
Michael Chan0d8a6572007-07-07 22:49:43 -07002027 }
2028 if (bp->link_up != link_up)
2029 bnx2_report_link(bp);
2030
2031 bnx2_set_mac_link(bp);
2032}
2033
2034static int
2035bnx2_set_remote_link(struct bnx2 *bp)
2036{
2037 u32 evt_code;
2038
Michael Chan2726d6e2008-01-29 21:35:05 -08002039 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002040 switch (evt_code) {
2041 case BNX2_FW_EVT_CODE_LINK_EVENT:
2042 bnx2_remote_phy_event(bp);
2043 break;
2044 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2045 default:
Michael Chandf149d72007-07-07 22:51:36 -07002046 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002047 break;
2048 }
2049 return 0;
2050}
2051
Michael Chanb6016b72005-05-26 13:03:09 -07002052static int
2053bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002054__releases(&bp->phy_lock)
2055__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002056{
2057 u32 bmcr;
2058 u32 new_bmcr;
2059
Michael Chanca58c3a2007-05-03 13:22:52 -07002060 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002061
2062 if (bp->autoneg & AUTONEG_SPEED) {
2063 u32 adv_reg, adv1000_reg;
2064 u32 new_adv_reg = 0;
2065 u32 new_adv1000_reg = 0;
2066
Michael Chanca58c3a2007-05-03 13:22:52 -07002067 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002068 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2069 ADVERTISE_PAUSE_ASYM);
2070
2071 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2072 adv1000_reg &= PHY_ALL_1000_SPEED;
2073
2074 if (bp->advertising & ADVERTISED_10baseT_Half)
2075 new_adv_reg |= ADVERTISE_10HALF;
2076 if (bp->advertising & ADVERTISED_10baseT_Full)
2077 new_adv_reg |= ADVERTISE_10FULL;
2078 if (bp->advertising & ADVERTISED_100baseT_Half)
2079 new_adv_reg |= ADVERTISE_100HALF;
2080 if (bp->advertising & ADVERTISED_100baseT_Full)
2081 new_adv_reg |= ADVERTISE_100FULL;
2082 if (bp->advertising & ADVERTISED_1000baseT_Full)
2083 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002084
Michael Chanb6016b72005-05-26 13:03:09 -07002085 new_adv_reg |= ADVERTISE_CSMA;
2086
2087 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2088
2089 if ((adv1000_reg != new_adv1000_reg) ||
2090 (adv_reg != new_adv_reg) ||
2091 ((bmcr & BMCR_ANENABLE) == 0)) {
2092
Michael Chanca58c3a2007-05-03 13:22:52 -07002093 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002094 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07002095 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002096 BMCR_ANENABLE);
2097 }
2098 else if (bp->link_up) {
2099 /* Flow ctrl may have changed from auto to forced */
2100 /* or vice-versa. */
2101
2102 bnx2_resolve_flow_ctrl(bp);
2103 bnx2_set_mac_link(bp);
2104 }
2105 return 0;
2106 }
2107
2108 new_bmcr = 0;
2109 if (bp->req_line_speed == SPEED_100) {
2110 new_bmcr |= BMCR_SPEED100;
2111 }
2112 if (bp->req_duplex == DUPLEX_FULL) {
2113 new_bmcr |= BMCR_FULLDPLX;
2114 }
2115 if (new_bmcr != bmcr) {
2116 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002117
Michael Chanca58c3a2007-05-03 13:22:52 -07002118 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2119 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002120
Michael Chanb6016b72005-05-26 13:03:09 -07002121 if (bmsr & BMSR_LSTATUS) {
2122 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002123 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002124 spin_unlock_bh(&bp->phy_lock);
2125 msleep(50);
2126 spin_lock_bh(&bp->phy_lock);
2127
Michael Chanca58c3a2007-05-03 13:22:52 -07002128 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2129 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002130 }
2131
Michael Chanca58c3a2007-05-03 13:22:52 -07002132 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002133
2134 /* Normally, the new speed is setup after the link has
2135 * gone down and up again. In some cases, link will not go
2136 * down so we need to set up the new speed here.
2137 */
2138 if (bmsr & BMSR_LSTATUS) {
2139 bp->line_speed = bp->req_line_speed;
2140 bp->duplex = bp->req_duplex;
2141 bnx2_resolve_flow_ctrl(bp);
2142 bnx2_set_mac_link(bp);
2143 }
Michael Chan27a005b2007-05-03 13:23:41 -07002144 } else {
2145 bnx2_resolve_flow_ctrl(bp);
2146 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002147 }
2148 return 0;
2149}
2150
2151static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002152bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002153__releases(&bp->phy_lock)
2154__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002155{
2156 if (bp->loopback == MAC_LOOPBACK)
2157 return 0;
2158
Michael Chan583c28e2008-01-21 19:51:35 -08002159 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07002160 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07002161 }
2162 else {
2163 return (bnx2_setup_copper_phy(bp));
2164 }
2165}
2166
2167static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002168bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002169{
2170 u32 val;
2171
2172 bp->mii_bmcr = MII_BMCR + 0x10;
2173 bp->mii_bmsr = MII_BMSR + 0x10;
2174 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2175 bp->mii_adv = MII_ADVERTISE + 0x10;
2176 bp->mii_lpa = MII_LPA + 0x10;
2177 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2178
2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2180 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2181
2182 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002183 if (reset_phy)
2184 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002185
2186 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2187
2188 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2189 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2190 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2191 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2192
2193 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2194 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002195 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002196 val |= BCM5708S_UP1_2G5;
2197 else
2198 val &= ~BCM5708S_UP1_2G5;
2199 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2200
2201 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2202 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2203 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2204 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2205
2206 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2207
2208 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2209 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2210 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2211
2212 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2213
2214 return 0;
2215}
2216
2217static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002218bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002219{
2220 u32 val;
2221
Michael Chan9a120bc2008-05-16 22:17:45 -07002222 if (reset_phy)
2223 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002224
2225 bp->mii_up1 = BCM5708S_UP1;
2226
Michael Chan5b0c76a2005-11-04 08:45:49 -08002227 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2228 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2229 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2230
2231 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2232 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2233 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2234
2235 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2236 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2237 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2238
Michael Chan583c28e2008-01-21 19:51:35 -08002239 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002240 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2241 val |= BCM5708S_UP1_2G5;
2242 bnx2_write_phy(bp, BCM5708S_UP1, val);
2243 }
2244
2245 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002246 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2247 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002248 /* increase tx signal amplitude */
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2250 BCM5708S_BLK_ADDR_TX_MISC);
2251 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2252 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2253 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2254 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2255 }
2256
Michael Chan2726d6e2008-01-29 21:35:05 -08002257 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002258 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2259
2260 if (val) {
2261 u32 is_backplane;
2262
Michael Chan2726d6e2008-01-29 21:35:05 -08002263 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002264 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2266 BCM5708S_BLK_ADDR_TX_MISC);
2267 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2268 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2269 BCM5708S_BLK_ADDR_DIG);
2270 }
2271 }
2272 return 0;
2273}
2274
2275static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002276bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002277{
Michael Chan9a120bc2008-05-16 22:17:45 -07002278 if (reset_phy)
2279 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002280
Michael Chan583c28e2008-01-21 19:51:35 -08002281 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002282
Michael Chan59b47d82006-11-19 14:10:45 -08002283 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2284 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002285
2286 if (bp->dev->mtu > 1500) {
2287 u32 val;
2288
2289 /* Set extended packet length bit */
2290 bnx2_write_phy(bp, 0x18, 0x7);
2291 bnx2_read_phy(bp, 0x18, &val);
2292 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2293
2294 bnx2_write_phy(bp, 0x1c, 0x6c00);
2295 bnx2_read_phy(bp, 0x1c, &val);
2296 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2297 }
2298 else {
2299 u32 val;
2300
2301 bnx2_write_phy(bp, 0x18, 0x7);
2302 bnx2_read_phy(bp, 0x18, &val);
2303 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2304
2305 bnx2_write_phy(bp, 0x1c, 0x6c00);
2306 bnx2_read_phy(bp, 0x1c, &val);
2307 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2308 }
2309
2310 return 0;
2311}
2312
2313static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002314bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002315{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002316 u32 val;
2317
Michael Chan9a120bc2008-05-16 22:17:45 -07002318 if (reset_phy)
2319 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002320
Michael Chan583c28e2008-01-21 19:51:35 -08002321 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002322 bnx2_write_phy(bp, 0x18, 0x0c00);
2323 bnx2_write_phy(bp, 0x17, 0x000a);
2324 bnx2_write_phy(bp, 0x15, 0x310b);
2325 bnx2_write_phy(bp, 0x17, 0x201f);
2326 bnx2_write_phy(bp, 0x15, 0x9506);
2327 bnx2_write_phy(bp, 0x17, 0x401f);
2328 bnx2_write_phy(bp, 0x15, 0x14e2);
2329 bnx2_write_phy(bp, 0x18, 0x0400);
2330 }
2331
Michael Chan583c28e2008-01-21 19:51:35 -08002332 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002333 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2334 MII_BNX2_DSP_EXPAND_REG | 0x8);
2335 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2336 val &= ~(1 << 8);
2337 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2338 }
2339
Michael Chanb6016b72005-05-26 13:03:09 -07002340 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002341 /* Set extended packet length bit */
2342 bnx2_write_phy(bp, 0x18, 0x7);
2343 bnx2_read_phy(bp, 0x18, &val);
2344 bnx2_write_phy(bp, 0x18, val | 0x4000);
2345
2346 bnx2_read_phy(bp, 0x10, &val);
2347 bnx2_write_phy(bp, 0x10, val | 0x1);
2348 }
2349 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002350 bnx2_write_phy(bp, 0x18, 0x7);
2351 bnx2_read_phy(bp, 0x18, &val);
2352 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2353
2354 bnx2_read_phy(bp, 0x10, &val);
2355 bnx2_write_phy(bp, 0x10, val & ~0x1);
2356 }
2357
Michael Chan5b0c76a2005-11-04 08:45:49 -08002358 /* ethernet@wirespeed */
2359 bnx2_write_phy(bp, 0x18, 0x7007);
2360 bnx2_read_phy(bp, 0x18, &val);
2361 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002362 return 0;
2363}
2364
2365
2366static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002367bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002368__releases(&bp->phy_lock)
2369__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002370{
2371 u32 val;
2372 int rc = 0;
2373
Michael Chan583c28e2008-01-21 19:51:35 -08002374 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2375 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002376
Michael Chanca58c3a2007-05-03 13:22:52 -07002377 bp->mii_bmcr = MII_BMCR;
2378 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002379 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002380 bp->mii_adv = MII_ADVERTISE;
2381 bp->mii_lpa = MII_LPA;
2382
Michael Chanb6016b72005-05-26 13:03:09 -07002383 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2384
Michael Chan583c28e2008-01-21 19:51:35 -08002385 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002386 goto setup_phy;
2387
Michael Chanb6016b72005-05-26 13:03:09 -07002388 bnx2_read_phy(bp, MII_PHYSID1, &val);
2389 bp->phy_id = val << 16;
2390 bnx2_read_phy(bp, MII_PHYSID2, &val);
2391 bp->phy_id |= val & 0xffff;
2392
Michael Chan583c28e2008-01-21 19:51:35 -08002393 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002394 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002395 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002396 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002397 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002398 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002399 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002400 }
2401 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002402 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002403 }
2404
Michael Chan0d8a6572007-07-07 22:49:43 -07002405setup_phy:
2406 if (!rc)
2407 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002408
2409 return rc;
2410}
2411
2412static int
2413bnx2_set_mac_loopback(struct bnx2 *bp)
2414{
2415 u32 mac_mode;
2416
2417 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2418 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2419 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2420 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2421 bp->link_up = 1;
2422 return 0;
2423}
2424
Michael Chanbc5a0692006-01-23 16:13:22 -08002425static int bnx2_test_link(struct bnx2 *);
2426
2427static int
2428bnx2_set_phy_loopback(struct bnx2 *bp)
2429{
2430 u32 mac_mode;
2431 int rc, i;
2432
2433 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002434 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002435 BMCR_SPEED1000);
2436 spin_unlock_bh(&bp->phy_lock);
2437 if (rc)
2438 return rc;
2439
2440 for (i = 0; i < 10; i++) {
2441 if (bnx2_test_link(bp) == 0)
2442 break;
Michael Chan80be4432006-11-19 14:07:28 -08002443 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002444 }
2445
2446 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2447 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2448 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002449 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002450
2451 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2452 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2453 bp->link_up = 1;
2454 return 0;
2455}
2456
Michael Chanb6016b72005-05-26 13:03:09 -07002457static int
Michael Chana2f13892008-07-14 22:38:23 -07002458bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002459{
2460 int i;
2461 u32 val;
2462
Michael Chanb6016b72005-05-26 13:03:09 -07002463 bp->fw_wr_seq++;
2464 msg_data |= bp->fw_wr_seq;
2465
Michael Chan2726d6e2008-01-29 21:35:05 -08002466 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002467
Michael Chana2f13892008-07-14 22:38:23 -07002468 if (!ack)
2469 return 0;
2470
Michael Chanb6016b72005-05-26 13:03:09 -07002471 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002472 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002473 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002474
Michael Chan2726d6e2008-01-29 21:35:05 -08002475 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002476
2477 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2478 break;
2479 }
Michael Chanb090ae22006-01-23 16:07:10 -08002480 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2481 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002482
2483 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002484 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2485 if (!silent)
2486 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2487 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002488
2489 msg_data &= ~BNX2_DRV_MSG_CODE;
2490 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2491
Michael Chan2726d6e2008-01-29 21:35:05 -08002492 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002493
Michael Chanb6016b72005-05-26 13:03:09 -07002494 return -EBUSY;
2495 }
2496
Michael Chanb090ae22006-01-23 16:07:10 -08002497 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2498 return -EIO;
2499
Michael Chanb6016b72005-05-26 13:03:09 -07002500 return 0;
2501}
2502
Michael Chan59b47d82006-11-19 14:10:45 -08002503static int
2504bnx2_init_5709_context(struct bnx2 *bp)
2505{
2506 int i, ret = 0;
2507 u32 val;
2508
2509 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2510 val |= (BCM_PAGE_BITS - 8) << 16;
2511 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002512 for (i = 0; i < 10; i++) {
2513 val = REG_RD(bp, BNX2_CTX_COMMAND);
2514 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2515 break;
2516 udelay(2);
2517 }
2518 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2519 return -EBUSY;
2520
Michael Chan59b47d82006-11-19 14:10:45 -08002521 for (i = 0; i < bp->ctx_pages; i++) {
2522 int j;
2523
Michael Chan352f7682008-05-02 16:57:26 -07002524 if (bp->ctx_blk[i])
2525 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2526 else
2527 return -ENOMEM;
2528
Michael Chan59b47d82006-11-19 14:10:45 -08002529 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2530 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2531 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2532 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2533 (u64) bp->ctx_blk_mapping[i] >> 32);
2534 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2535 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2536 for (j = 0; j < 10; j++) {
2537
2538 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2539 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2540 break;
2541 udelay(5);
2542 }
2543 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2544 ret = -EBUSY;
2545 break;
2546 }
2547 }
2548 return ret;
2549}
2550
Michael Chanb6016b72005-05-26 13:03:09 -07002551static void
2552bnx2_init_context(struct bnx2 *bp)
2553{
2554 u32 vcid;
2555
2556 vcid = 96;
2557 while (vcid) {
2558 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002559 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002560
2561 vcid--;
2562
2563 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2564 u32 new_vcid;
2565
2566 vcid_addr = GET_PCID_ADDR(vcid);
2567 if (vcid & 0x8) {
2568 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2569 }
2570 else {
2571 new_vcid = vcid;
2572 }
2573 pcid_addr = GET_PCID_ADDR(new_vcid);
2574 }
2575 else {
2576 vcid_addr = GET_CID_ADDR(vcid);
2577 pcid_addr = vcid_addr;
2578 }
2579
Michael Chan7947b202007-06-04 21:17:10 -07002580 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2581 vcid_addr += (i << PHY_CTX_SHIFT);
2582 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002583
Michael Chan5d5d0012007-12-12 11:17:43 -08002584 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002585 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2586
2587 /* Zero out the context. */
2588 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002589 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002590 }
Michael Chanb6016b72005-05-26 13:03:09 -07002591 }
2592}
2593
2594static int
2595bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2596{
2597 u16 *good_mbuf;
2598 u32 good_mbuf_cnt;
2599 u32 val;
2600
2601 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2602 if (good_mbuf == NULL) {
2603 printk(KERN_ERR PFX "Failed to allocate memory in "
2604 "bnx2_alloc_bad_rbuf\n");
2605 return -ENOMEM;
2606 }
2607
2608 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2609 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2610
2611 good_mbuf_cnt = 0;
2612
2613 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002614 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002615 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002616 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2617 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002618
Michael Chan2726d6e2008-01-29 21:35:05 -08002619 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002620
2621 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2622
2623 /* The addresses with Bit 9 set are bad memory blocks. */
2624 if (!(val & (1 << 9))) {
2625 good_mbuf[good_mbuf_cnt] = (u16) val;
2626 good_mbuf_cnt++;
2627 }
2628
Michael Chan2726d6e2008-01-29 21:35:05 -08002629 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002630 }
2631
2632 /* Free the good ones back to the mbuf pool thus discarding
2633 * all the bad ones. */
2634 while (good_mbuf_cnt) {
2635 good_mbuf_cnt--;
2636
2637 val = good_mbuf[good_mbuf_cnt];
2638 val = (val << 9) | val | 1;
2639
Michael Chan2726d6e2008-01-29 21:35:05 -08002640 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002641 }
2642 kfree(good_mbuf);
2643 return 0;
2644}
2645
2646static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002647bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002648{
2649 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002650
2651 val = (mac_addr[0] << 8) | mac_addr[1];
2652
Benjamin Li5fcaed02008-07-14 22:39:52 -07002653 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002654
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002655 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002656 (mac_addr[4] << 8) | mac_addr[5];
2657
Benjamin Li5fcaed02008-07-14 22:39:52 -07002658 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002659}
2660
2661static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002662bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002663{
2664 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002665 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002666 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002667 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002668 struct page *page = alloc_page(GFP_ATOMIC);
2669
2670 if (!page)
2671 return -ENOMEM;
2672 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2673 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002674 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2675 __free_page(page);
2676 return -EIO;
2677 }
2678
Michael Chan47bf4242007-12-12 11:19:12 -08002679 rx_pg->page = page;
2680 pci_unmap_addr_set(rx_pg, mapping, mapping);
2681 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2682 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2683 return 0;
2684}
2685
2686static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002687bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002688{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002689 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002690 struct page *page = rx_pg->page;
2691
2692 if (!page)
2693 return;
2694
2695 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2696 PCI_DMA_FROMDEVICE);
2697
2698 __free_page(page);
2699 rx_pg->page = NULL;
2700}
2701
2702static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002703bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002704{
2705 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002706 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002707 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002708 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002709 unsigned long align;
2710
Michael Chan932f3772006-08-15 01:39:36 -07002711 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002712 if (skb == NULL) {
2713 return -ENOMEM;
2714 }
2715
Michael Chan59b47d82006-11-19 14:10:45 -08002716 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2717 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002718
Michael Chanb6016b72005-05-26 13:03:09 -07002719 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2720 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002721 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2722 dev_kfree_skb(skb);
2723 return -EIO;
2724 }
Michael Chanb6016b72005-05-26 13:03:09 -07002725
2726 rx_buf->skb = skb;
2727 pci_unmap_addr_set(rx_buf, mapping, mapping);
2728
2729 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2730 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2731
Michael Chanbb4f98a2008-06-19 16:38:19 -07002732 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002733
2734 return 0;
2735}
2736
Michael Chanda3e4fb2007-05-03 13:24:23 -07002737static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002738bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002739{
Michael Chan43e80b82008-06-19 16:41:08 -07002740 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002741 u32 new_link_state, old_link_state;
2742 int is_set = 1;
2743
2744 new_link_state = sblk->status_attn_bits & event;
2745 old_link_state = sblk->status_attn_bits_ack & event;
2746 if (new_link_state != old_link_state) {
2747 if (new_link_state)
2748 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2749 else
2750 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2751 } else
2752 is_set = 0;
2753
2754 return is_set;
2755}
2756
Michael Chanb6016b72005-05-26 13:03:09 -07002757static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002758bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002759{
Michael Chan74ecc622008-05-02 16:56:16 -07002760 spin_lock(&bp->phy_lock);
2761
2762 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002763 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002764 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002765 bnx2_set_remote_link(bp);
2766
Michael Chan74ecc622008-05-02 16:56:16 -07002767 spin_unlock(&bp->phy_lock);
2768
Michael Chanb6016b72005-05-26 13:03:09 -07002769}
2770
Michael Chanead72702007-12-20 19:55:39 -08002771static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002772bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002773{
2774 u16 cons;
2775
Michael Chan43e80b82008-06-19 16:41:08 -07002776 /* Tell compiler that status block fields can change. */
2777 barrier();
2778 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002779 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002780 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2781 cons++;
2782 return cons;
2783}
2784
Michael Chan57851d82007-12-20 20:01:44 -08002785static int
2786bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002787{
Michael Chan35e90102008-06-19 16:37:42 -07002788 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002789 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002790 int tx_pkt = 0, index;
2791 struct netdev_queue *txq;
2792
2793 index = (bnapi - bp->bnx2_napi);
2794 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002795
Michael Chan35efa7c2007-12-20 19:56:37 -08002796 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002797 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002798
2799 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002800 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002801 struct sk_buff *skb;
2802 int i, last;
2803
2804 sw_ring_cons = TX_RING_IDX(sw_cons);
2805
Michael Chan35e90102008-06-19 16:37:42 -07002806 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002807 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002808
Eric Dumazetd62fda02009-05-12 20:48:02 +00002809 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2810 prefetch(&skb->end);
2811
Michael Chanb6016b72005-05-26 13:03:09 -07002812 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002813 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002814 u16 last_idx, last_ring_idx;
2815
Eric Dumazetd62fda02009-05-12 20:48:02 +00002816 last_idx = sw_cons + tx_buf->nr_frags + 1;
2817 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002818 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2819 last_idx++;
2820 }
2821 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2822 break;
2823 }
2824 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002825
Alexander Duycke95524a2009-12-02 16:47:57 +00002826 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2827 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002828
2829 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002830 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002831
2832 for (i = 0; i < last; i++) {
2833 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002834
2835 pci_unmap_page(bp->pdev,
2836 pci_unmap_addr(
2837 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2838 mapping),
2839 skb_shinfo(skb)->frags[i].size,
2840 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002841 }
2842
2843 sw_cons = NEXT_TX_BD(sw_cons);
2844
Michael Chan745720e2006-06-29 12:37:41 -07002845 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002846 tx_pkt++;
2847 if (tx_pkt == budget)
2848 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002849
Eric Dumazetd62fda02009-05-12 20:48:02 +00002850 if (hw_cons == sw_cons)
2851 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002852 }
2853
Michael Chan35e90102008-06-19 16:37:42 -07002854 txr->hw_tx_cons = hw_cons;
2855 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002856
Michael Chan2f8af122006-08-15 01:39:10 -07002857 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002858 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002859 * memory barrier, there is a small possibility that bnx2_start_xmit()
2860 * will miss it and cause the queue to be stopped forever.
2861 */
2862 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002863
Benjamin Li706bf242008-07-18 17:55:11 -07002864 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002865 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002866 __netif_tx_lock(txq, smp_processor_id());
2867 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002868 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002869 netif_tx_wake_queue(txq);
2870 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002871 }
Benjamin Li706bf242008-07-18 17:55:11 -07002872
Michael Chan57851d82007-12-20 20:01:44 -08002873 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002874}
2875
Michael Chan1db82f22007-12-12 11:19:35 -08002876static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002877bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002878 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002879{
2880 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2881 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002882 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002883 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002884 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002885
Benjamin Li3d16af82008-10-09 12:26:41 -07002886 cons_rx_pg = &rxr->rx_pg_ring[cons];
2887
2888 /* The caller was unable to allocate a new page to replace the
2889 * last one in the frags array, so we need to recycle that page
2890 * and then free the skb.
2891 */
2892 if (skb) {
2893 struct page *page;
2894 struct skb_shared_info *shinfo;
2895
2896 shinfo = skb_shinfo(skb);
2897 shinfo->nr_frags--;
2898 page = shinfo->frags[shinfo->nr_frags].page;
2899 shinfo->frags[shinfo->nr_frags].page = NULL;
2900
2901 cons_rx_pg->page = page;
2902 dev_kfree_skb(skb);
2903 }
2904
2905 hw_prod = rxr->rx_pg_prod;
2906
Michael Chan1db82f22007-12-12 11:19:35 -08002907 for (i = 0; i < count; i++) {
2908 prod = RX_PG_RING_IDX(hw_prod);
2909
Michael Chanbb4f98a2008-06-19 16:38:19 -07002910 prod_rx_pg = &rxr->rx_pg_ring[prod];
2911 cons_rx_pg = &rxr->rx_pg_ring[cons];
2912 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2913 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002914
Michael Chan1db82f22007-12-12 11:19:35 -08002915 if (prod != cons) {
2916 prod_rx_pg->page = cons_rx_pg->page;
2917 cons_rx_pg->page = NULL;
2918 pci_unmap_addr_set(prod_rx_pg, mapping,
2919 pci_unmap_addr(cons_rx_pg, mapping));
2920
2921 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2922 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2923
2924 }
2925 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2926 hw_prod = NEXT_RX_BD(hw_prod);
2927 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002928 rxr->rx_pg_prod = hw_prod;
2929 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002930}
2931
Michael Chanb6016b72005-05-26 13:03:09 -07002932static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002933bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2934 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002935{
Michael Chan236b6392006-03-20 17:49:02 -08002936 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2937 struct rx_bd *cons_bd, *prod_bd;
2938
Michael Chanbb4f98a2008-06-19 16:38:19 -07002939 cons_rx_buf = &rxr->rx_buf_ring[cons];
2940 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002941
2942 pci_dma_sync_single_for_device(bp->pdev,
2943 pci_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002944 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002945
Michael Chanbb4f98a2008-06-19 16:38:19 -07002946 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002947
2948 prod_rx_buf->skb = skb;
2949
2950 if (cons == prod)
2951 return;
2952
Michael Chanb6016b72005-05-26 13:03:09 -07002953 pci_unmap_addr_set(prod_rx_buf, mapping,
2954 pci_unmap_addr(cons_rx_buf, mapping));
2955
Michael Chanbb4f98a2008-06-19 16:38:19 -07002956 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2957 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002958 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2959 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002960}
2961
Michael Chan85833c62007-12-12 11:17:01 -08002962static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002963bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002964 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2965 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002966{
2967 int err;
2968 u16 prod = ring_idx & 0xffff;
2969
Michael Chanbb4f98a2008-06-19 16:38:19 -07002970 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002971 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002972 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002973 if (hdr_len) {
2974 unsigned int raw_len = len + 4;
2975 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2976
Michael Chanbb4f98a2008-06-19 16:38:19 -07002977 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002978 }
Michael Chan85833c62007-12-12 11:17:01 -08002979 return err;
2980 }
2981
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002982 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002983 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2984 PCI_DMA_FROMDEVICE);
2985
Michael Chan1db82f22007-12-12 11:19:35 -08002986 if (hdr_len == 0) {
2987 skb_put(skb, len);
2988 return 0;
2989 } else {
2990 unsigned int i, frag_len, frag_size, pages;
2991 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002992 u16 pg_cons = rxr->rx_pg_cons;
2993 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002994
2995 frag_size = len + 4 - hdr_len;
2996 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2997 skb_put(skb, hdr_len);
2998
2999 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07003000 dma_addr_t mapping_old;
3001
Michael Chan1db82f22007-12-12 11:19:35 -08003002 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3003 if (unlikely(frag_len <= 4)) {
3004 unsigned int tail = 4 - frag_len;
3005
Michael Chanbb4f98a2008-06-19 16:38:19 -07003006 rxr->rx_pg_cons = pg_cons;
3007 rxr->rx_pg_prod = pg_prod;
3008 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003009 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003010 skb->len -= tail;
3011 if (i == 0) {
3012 skb->tail -= tail;
3013 } else {
3014 skb_frag_t *frag =
3015 &skb_shinfo(skb)->frags[i - 1];
3016 frag->size -= tail;
3017 skb->data_len -= tail;
3018 skb->truesize -= tail;
3019 }
3020 return 0;
3021 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003022 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003023
Benjamin Li3d16af82008-10-09 12:26:41 -07003024 /* Don't unmap yet. If we're unable to allocate a new
3025 * page, we need to recycle the page and the DMA addr.
3026 */
3027 mapping_old = pci_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003028 if (i == pages - 1)
3029 frag_len -= 4;
3030
3031 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3032 rx_pg->page = NULL;
3033
Michael Chanbb4f98a2008-06-19 16:38:19 -07003034 err = bnx2_alloc_rx_page(bp, rxr,
3035 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08003036 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003037 rxr->rx_pg_cons = pg_cons;
3038 rxr->rx_pg_prod = pg_prod;
3039 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003040 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003041 return err;
3042 }
3043
Benjamin Li3d16af82008-10-09 12:26:41 -07003044 pci_unmap_page(bp->pdev, mapping_old,
3045 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3046
Michael Chan1db82f22007-12-12 11:19:35 -08003047 frag_size -= frag_len;
3048 skb->data_len += frag_len;
3049 skb->truesize += frag_len;
3050 skb->len += frag_len;
3051
3052 pg_prod = NEXT_RX_BD(pg_prod);
3053 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3054 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003055 rxr->rx_pg_prod = pg_prod;
3056 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003057 }
Michael Chan85833c62007-12-12 11:17:01 -08003058 return 0;
3059}
3060
Michael Chanc09c2622007-12-10 17:18:37 -08003061static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003062bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003063{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003064 u16 cons;
3065
Michael Chan43e80b82008-06-19 16:41:08 -07003066 /* Tell compiler that status block fields can change. */
3067 barrier();
3068 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003069 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003070 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3071 cons++;
3072 return cons;
3073}
3074
Michael Chanb6016b72005-05-26 13:03:09 -07003075static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003076bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003077{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003078 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003079 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3080 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003081 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003082
Michael Chan35efa7c2007-12-20 19:56:37 -08003083 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003084 sw_cons = rxr->rx_cons;
3085 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003086
3087 /* Memory barrier necessary as speculative reads of the rx
3088 * buffer can be ahead of the index in the status block
3089 */
3090 rmb();
3091 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003092 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003093 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07003094 struct sw_bd *rx_buf;
3095 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003096 dma_addr_t dma_addr;
Michael Chanf22828e2008-08-14 15:30:14 -07003097 u16 vtag = 0;
3098 int hw_vlan __maybe_unused = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003099
3100 sw_ring_cons = RX_RING_IDX(sw_cons);
3101 sw_ring_prod = RX_RING_IDX(sw_prod);
3102
Michael Chanbb4f98a2008-06-19 16:38:19 -07003103 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003104 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08003105
3106 rx_buf->skb = NULL;
3107
3108 dma_addr = pci_unmap_addr(rx_buf, mapping);
3109
3110 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003111 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3112 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003113
3114 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08003115 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003116 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003117
Michael Chan1db82f22007-12-12 11:19:35 -08003118 hdr_len = 0;
3119 if (status & L2_FHDR_STATUS_SPLIT) {
3120 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3121 pg_ring_used = 1;
3122 } else if (len > bp->rx_jumbo_thresh) {
3123 hdr_len = bp->rx_jumbo_thresh;
3124 pg_ring_used = 1;
3125 }
3126
Michael Chan990ec382009-02-12 16:54:13 -08003127 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3128 L2_FHDR_ERRORS_PHY_DECODE |
3129 L2_FHDR_ERRORS_ALIGNMENT |
3130 L2_FHDR_ERRORS_TOO_SHORT |
3131 L2_FHDR_ERRORS_GIANT_FRAME))) {
3132
3133 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3134 sw_ring_prod);
3135 if (pg_ring_used) {
3136 int pages;
3137
3138 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3139
3140 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3141 }
3142 goto next_rx;
3143 }
3144
Michael Chan1db82f22007-12-12 11:19:35 -08003145 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003146
Michael Chan5d5d0012007-12-12 11:17:43 -08003147 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003148 struct sk_buff *new_skb;
3149
Michael Chanf22828e2008-08-14 15:30:14 -07003150 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003151 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003152 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003153 sw_ring_prod);
3154 goto next_rx;
3155 }
Michael Chanb6016b72005-05-26 13:03:09 -07003156
3157 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003158 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003159 BNX2_RX_OFFSET - 6,
3160 new_skb->data, len + 6);
3161 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003162 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003163
Michael Chanbb4f98a2008-06-19 16:38:19 -07003164 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003165 sw_ring_cons, sw_ring_prod);
3166
3167 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003168 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003169 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003170 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003171
Michael Chanf22828e2008-08-14 15:30:14 -07003172 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3173 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3174 vtag = rx_hdr->l2_fhdr_vlan_tag;
3175#ifdef BCM_VLAN
3176 if (bp->vlgrp)
3177 hw_vlan = 1;
3178 else
3179#endif
3180 {
3181 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3182 __skb_push(skb, 4);
3183
3184 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3185 ve->h_vlan_proto = htons(ETH_P_8021Q);
3186 ve->h_vlan_TCI = htons(vtag);
3187 len += 4;
3188 }
3189 }
3190
Michael Chanb6016b72005-05-26 13:03:09 -07003191 skb->protocol = eth_type_trans(skb, bp->dev);
3192
3193 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003194 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003195
Michael Chan745720e2006-06-29 12:37:41 -07003196 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003197 goto next_rx;
3198
3199 }
3200
Michael Chanb6016b72005-05-26 13:03:09 -07003201 skb->ip_summed = CHECKSUM_NONE;
3202 if (bp->rx_csum &&
3203 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3204 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3205
Michael Chanade2bfe2006-01-23 16:09:51 -08003206 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3207 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003208 skb->ip_summed = CHECKSUM_UNNECESSARY;
3209 }
3210
David S. Miller0c8dfc82009-01-27 16:22:32 -08003211 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3212
Michael Chanb6016b72005-05-26 13:03:09 -07003213#ifdef BCM_VLAN
Michael Chanf22828e2008-08-14 15:30:14 -07003214 if (hw_vlan)
3215 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
Michael Chanb6016b72005-05-26 13:03:09 -07003216 else
3217#endif
3218 netif_receive_skb(skb);
3219
Michael Chanb6016b72005-05-26 13:03:09 -07003220 rx_pkt++;
3221
3222next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003223 sw_cons = NEXT_RX_BD(sw_cons);
3224 sw_prod = NEXT_RX_BD(sw_prod);
3225
3226 if ((rx_pkt == budget))
3227 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003228
3229 /* Refresh hw_cons to see if there is new work */
3230 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003231 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003232 rmb();
3233 }
Michael Chanb6016b72005-05-26 13:03:09 -07003234 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003235 rxr->rx_cons = sw_cons;
3236 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003237
Michael Chan1db82f22007-12-12 11:19:35 -08003238 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003239 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003240
Michael Chanbb4f98a2008-06-19 16:38:19 -07003241 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003242
Michael Chanbb4f98a2008-06-19 16:38:19 -07003243 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003244
3245 mmiowb();
3246
3247 return rx_pkt;
3248
3249}
3250
3251/* MSI ISR - The only difference between this and the INTx ISR
3252 * is that the MSI interrupt is always serviced.
3253 */
3254static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003255bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003256{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003257 struct bnx2_napi *bnapi = dev_instance;
3258 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003259
Michael Chan43e80b82008-06-19 16:41:08 -07003260 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003261 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3262 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3263 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3264
3265 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003266 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3267 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003268
Ben Hutchings288379f2009-01-19 16:43:59 -08003269 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003270
Michael Chan73eef4c2005-08-25 15:39:15 -07003271 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003272}
3273
3274static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003275bnx2_msi_1shot(int irq, void *dev_instance)
3276{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003277 struct bnx2_napi *bnapi = dev_instance;
3278 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003279
Michael Chan43e80b82008-06-19 16:41:08 -07003280 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003281
3282 /* Return here if interrupt is disabled. */
3283 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3284 return IRQ_HANDLED;
3285
Ben Hutchings288379f2009-01-19 16:43:59 -08003286 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003287
3288 return IRQ_HANDLED;
3289}
3290
3291static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003292bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003293{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003294 struct bnx2_napi *bnapi = dev_instance;
3295 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003296 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003297
3298 /* When using INTx, it is possible for the interrupt to arrive
3299 * at the CPU before the status block posted prior to the
3300 * interrupt. Reading a register will flush the status block.
3301 * When using MSI, the MSI message will always complete after
3302 * the status block write.
3303 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003304 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003305 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3306 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003307 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003308
3309 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3310 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3311 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3312
Michael Chanb8a7ce72007-07-07 22:51:03 -07003313 /* Read back to deassert IRQ immediately to avoid too many
3314 * spurious interrupts.
3315 */
3316 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3317
Michael Chanb6016b72005-05-26 13:03:09 -07003318 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003319 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3320 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003321
Ben Hutchings288379f2009-01-19 16:43:59 -08003322 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003323 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003324 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003325 }
Michael Chanb6016b72005-05-26 13:03:09 -07003326
Michael Chan73eef4c2005-08-25 15:39:15 -07003327 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003328}
3329
Michael Chan43e80b82008-06-19 16:41:08 -07003330static inline int
3331bnx2_has_fast_work(struct bnx2_napi *bnapi)
3332{
3333 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3334 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3335
3336 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3337 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3338 return 1;
3339 return 0;
3340}
3341
Michael Chan0d8a6572007-07-07 22:49:43 -07003342#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3343 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003344
Michael Chanf4e418f2005-11-04 08:53:48 -08003345static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003346bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003347{
Michael Chan43e80b82008-06-19 16:41:08 -07003348 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003349
Michael Chan43e80b82008-06-19 16:41:08 -07003350 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003351 return 1;
3352
Michael Chan4edd4732009-06-08 18:14:42 -07003353#ifdef BCM_CNIC
3354 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3355 return 1;
3356#endif
3357
Michael Chanda3e4fb2007-05-03 13:24:23 -07003358 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3359 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003360 return 1;
3361
3362 return 0;
3363}
3364
Michael Chanefba0182008-12-03 00:36:15 -08003365static void
3366bnx2_chk_missed_msi(struct bnx2 *bp)
3367{
3368 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3369 u32 msi_ctrl;
3370
3371 if (bnx2_has_work(bnapi)) {
3372 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3373 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3374 return;
3375
3376 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3377 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3378 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3379 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3380 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3381 }
3382 }
3383
3384 bp->idle_chk_status_idx = bnapi->last_status_idx;
3385}
3386
Michael Chan4edd4732009-06-08 18:14:42 -07003387#ifdef BCM_CNIC
3388static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3389{
3390 struct cnic_ops *c_ops;
3391
3392 if (!bnapi->cnic_present)
3393 return;
3394
3395 rcu_read_lock();
3396 c_ops = rcu_dereference(bp->cnic_ops);
3397 if (c_ops)
3398 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3399 bnapi->status_blk.msi);
3400 rcu_read_unlock();
3401}
3402#endif
3403
Michael Chan43e80b82008-06-19 16:41:08 -07003404static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003405{
Michael Chan43e80b82008-06-19 16:41:08 -07003406 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003407 u32 status_attn_bits = sblk->status_attn_bits;
3408 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003409
Michael Chanda3e4fb2007-05-03 13:24:23 -07003410 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3411 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003412
Michael Chan35efa7c2007-12-20 19:56:37 -08003413 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003414
3415 /* This is needed to take care of transient status
3416 * during link changes.
3417 */
3418 REG_WR(bp, BNX2_HC_COMMAND,
3419 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3420 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003421 }
Michael Chan43e80b82008-06-19 16:41:08 -07003422}
3423
3424static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3425 int work_done, int budget)
3426{
3427 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3428 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003429
Michael Chan35e90102008-06-19 16:37:42 -07003430 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003431 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003432
Michael Chanbb4f98a2008-06-19 16:38:19 -07003433 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003434 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003435
David S. Miller6f535762007-10-11 18:08:29 -07003436 return work_done;
3437}
Michael Chanf4e418f2005-11-04 08:53:48 -08003438
Michael Chanf0ea2e62008-06-19 16:41:57 -07003439static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3440{
3441 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3442 struct bnx2 *bp = bnapi->bp;
3443 int work_done = 0;
3444 struct status_block_msix *sblk = bnapi->status_blk.msix;
3445
3446 while (1) {
3447 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3448 if (unlikely(work_done >= budget))
3449 break;
3450
3451 bnapi->last_status_idx = sblk->status_idx;
3452 /* status idx must be read before checking for more work. */
3453 rmb();
3454 if (likely(!bnx2_has_fast_work(bnapi))) {
3455
Ben Hutchings288379f2009-01-19 16:43:59 -08003456 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003457 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3458 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3459 bnapi->last_status_idx);
3460 break;
3461 }
3462 }
3463 return work_done;
3464}
3465
David S. Miller6f535762007-10-11 18:08:29 -07003466static int bnx2_poll(struct napi_struct *napi, int budget)
3467{
Michael Chan35efa7c2007-12-20 19:56:37 -08003468 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3469 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003470 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003471 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003472
3473 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003474 bnx2_poll_link(bp, bnapi);
3475
Michael Chan35efa7c2007-12-20 19:56:37 -08003476 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003477
Michael Chan4edd4732009-06-08 18:14:42 -07003478#ifdef BCM_CNIC
3479 bnx2_poll_cnic(bp, bnapi);
3480#endif
3481
Michael Chan35efa7c2007-12-20 19:56:37 -08003482 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003483 * much work has been processed, so we must read it before
3484 * checking for more work.
3485 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003486 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003487
3488 if (unlikely(work_done >= budget))
3489 break;
3490
Michael Chan6dee6422007-10-12 01:40:38 -07003491 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003492 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003493 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003494 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003495 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3496 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003497 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003498 break;
David S. Miller6f535762007-10-11 18:08:29 -07003499 }
3500 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3501 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3502 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003503 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003504
Michael Chan1269a8a2006-01-23 16:11:03 -08003505 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3506 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003507 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003508 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003509 }
Michael Chanb6016b72005-05-26 13:03:09 -07003510 }
3511
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003512 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003513}
3514
Herbert Xu932ff272006-06-09 12:20:56 -07003515/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003516 * from set_multicast.
3517 */
3518static void
3519bnx2_set_rx_mode(struct net_device *dev)
3520{
Michael Chan972ec0d2006-01-23 16:12:43 -08003521 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003522 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003523 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003524 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003525
Michael Chan9f52b562008-10-09 12:21:46 -07003526 if (!netif_running(dev))
3527 return;
3528
Michael Chanc770a652005-08-25 15:38:39 -07003529 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003530
3531 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3532 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3533 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3534#ifdef BCM_VLAN
Michael Chan7c6337a2008-08-14 15:29:09 -07003535 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003536 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003537#else
Michael Chan7c6337a2008-08-14 15:29:09 -07003538 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
Michael Chane29054f2006-01-23 16:06:06 -08003539 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003540#endif
3541 if (dev->flags & IFF_PROMISC) {
3542 /* Promiscuous mode. */
3543 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003544 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3545 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003546 }
3547 else if (dev->flags & IFF_ALLMULTI) {
3548 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3549 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3550 0xffffffff);
3551 }
3552 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3553 }
3554 else {
3555 /* Accept one or more multicast(s). */
3556 struct dev_mc_list *mclist;
3557 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3558 u32 regidx;
3559 u32 bit;
3560 u32 crc;
3561
3562 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3563
3564 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3565 i++, mclist = mclist->next) {
3566
3567 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3568 bit = crc & 0xff;
3569 regidx = (bit & 0xe0) >> 5;
3570 bit &= 0x1f;
3571 mc_filter[regidx] |= (1 << bit);
3572 }
3573
3574 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3575 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3576 mc_filter[i]);
3577 }
3578
3579 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3580 }
3581
Jiri Pirko31278e72009-06-17 01:12:19 +00003582 if (dev->uc.count > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003583 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3584 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3585 BNX2_RPM_SORT_USER0_PROM_VLAN;
3586 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003587 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003588 i = 0;
Jiri Pirko31278e72009-06-17 01:12:19 +00003589 list_for_each_entry(ha, &dev->uc.list, list) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003590 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003591 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3592 sort_mode |= (1 <<
3593 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003594 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003595 }
3596
3597 }
3598
Michael Chanb6016b72005-05-26 13:03:09 -07003599 if (rx_mode != bp->rx_mode) {
3600 bp->rx_mode = rx_mode;
3601 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3602 }
3603
3604 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3605 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3606 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3607
Michael Chanc770a652005-08-25 15:38:39 -07003608 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003609}
3610
Michael Chan57579f72009-04-04 16:51:14 -07003611static int __devinit
3612check_fw_section(const struct firmware *fw,
3613 const struct bnx2_fw_file_section *section,
3614 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003615{
Michael Chan57579f72009-04-04 16:51:14 -07003616 u32 offset = be32_to_cpu(section->offset);
3617 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003618
Michael Chan57579f72009-04-04 16:51:14 -07003619 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3620 return -EINVAL;
3621 if ((non_empty && len == 0) || len > fw->size - offset ||
3622 len & (alignment - 1))
3623 return -EINVAL;
3624 return 0;
3625}
3626
3627static int __devinit
3628check_mips_fw_entry(const struct firmware *fw,
3629 const struct bnx2_mips_fw_file_entry *entry)
3630{
3631 if (check_fw_section(fw, &entry->text, 4, true) ||
3632 check_fw_section(fw, &entry->data, 4, false) ||
3633 check_fw_section(fw, &entry->rodata, 4, false))
3634 return -EINVAL;
3635 return 0;
3636}
3637
3638static int __devinit
3639bnx2_request_firmware(struct bnx2 *bp)
3640{
3641 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003642 const struct bnx2_mips_fw_file *mips_fw;
3643 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003644 int rc;
3645
3646 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3647 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003648 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3649 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3650 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3651 else
3652 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003653 } else {
3654 mips_fw_file = FW_MIPS_FILE_06;
3655 rv2p_fw_file = FW_RV2P_FILE_06;
3656 }
3657
3658 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3659 if (rc) {
3660 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
3661 mips_fw_file);
3662 return rc;
3663 }
3664
3665 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3666 if (rc) {
3667 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
3668 rv2p_fw_file);
3669 return rc;
3670 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003671 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3672 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3673 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3674 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3675 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3676 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3677 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3678 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Michael Chan57579f72009-04-04 16:51:14 -07003679 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
3680 mips_fw_file);
3681 return -EINVAL;
3682 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003683 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3684 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3685 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Michael Chan57579f72009-04-04 16:51:14 -07003686 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
3687 rv2p_fw_file);
3688 return -EINVAL;
3689 }
3690
3691 return 0;
3692}
3693
3694static u32
3695rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3696{
3697 switch (idx) {
3698 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3699 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3700 rv2p_code |= RV2P_BD_PAGE_SIZE;
3701 break;
3702 }
3703 return rv2p_code;
3704}
3705
3706static int
3707load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3708 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3709{
3710 u32 rv2p_code_len, file_offset;
3711 __be32 *rv2p_code;
3712 int i;
3713 u32 val, cmd, addr;
3714
3715 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3716 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3717
3718 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3719
3720 if (rv2p_proc == RV2P_PROC1) {
3721 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3722 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3723 } else {
3724 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3725 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003726 }
Michael Chanb6016b72005-05-26 13:03:09 -07003727
3728 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003729 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003730 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003731 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003732 rv2p_code++;
3733
Michael Chan57579f72009-04-04 16:51:14 -07003734 val = (i / 8) | cmd;
3735 REG_WR(bp, addr, val);
3736 }
3737
3738 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3739 for (i = 0; i < 8; i++) {
3740 u32 loc, code;
3741
3742 loc = be32_to_cpu(fw_entry->fixup[i]);
3743 if (loc && ((loc * 4) < rv2p_code_len)) {
3744 code = be32_to_cpu(*(rv2p_code + loc - 1));
3745 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3746 code = be32_to_cpu(*(rv2p_code + loc));
3747 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3748 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3749
3750 val = (loc / 2) | cmd;
3751 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003752 }
3753 }
3754
3755 /* Reset the processor, un-stall is done later. */
3756 if (rv2p_proc == RV2P_PROC1) {
3757 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3758 }
3759 else {
3760 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3761 }
Michael Chan57579f72009-04-04 16:51:14 -07003762
3763 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003764}
3765
Michael Chanaf3ee512006-11-19 14:09:25 -08003766static int
Michael Chan57579f72009-04-04 16:51:14 -07003767load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3768 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003769{
Michael Chan57579f72009-04-04 16:51:14 -07003770 u32 addr, len, file_offset;
3771 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003772 u32 offset;
3773 u32 val;
3774
3775 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003776 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003777 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003778 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3779 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003780
3781 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003782 addr = be32_to_cpu(fw_entry->text.addr);
3783 len = be32_to_cpu(fw_entry->text.len);
3784 file_offset = be32_to_cpu(fw_entry->text.offset);
3785 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3786
3787 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3788 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003789 int j;
3790
Michael Chan57579f72009-04-04 16:51:14 -07003791 for (j = 0; j < (len / 4); j++, offset += 4)
3792 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003793 }
3794
3795 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003796 addr = be32_to_cpu(fw_entry->data.addr);
3797 len = be32_to_cpu(fw_entry->data.len);
3798 file_offset = be32_to_cpu(fw_entry->data.offset);
3799 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3800
3801 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3802 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003803 int j;
3804
Michael Chan57579f72009-04-04 16:51:14 -07003805 for (j = 0; j < (len / 4); j++, offset += 4)
3806 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003807 }
3808
3809 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003810 addr = be32_to_cpu(fw_entry->rodata.addr);
3811 len = be32_to_cpu(fw_entry->rodata.len);
3812 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3813 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3814
3815 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3816 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003817 int j;
3818
Michael Chan57579f72009-04-04 16:51:14 -07003819 for (j = 0; j < (len / 4); j++, offset += 4)
3820 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003821 }
3822
3823 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003824 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003825
3826 val = be32_to_cpu(fw_entry->start_addr);
3827 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003828
3829 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003830 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003831 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003832 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3833 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003834
3835 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003836}
3837
Michael Chanfba9fe92006-06-12 22:21:25 -07003838static int
Michael Chanb6016b72005-05-26 13:03:09 -07003839bnx2_init_cpus(struct bnx2 *bp)
3840{
Michael Chan57579f72009-04-04 16:51:14 -07003841 const struct bnx2_mips_fw_file *mips_fw =
3842 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3843 const struct bnx2_rv2p_fw_file *rv2p_fw =
3844 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3845 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003846
3847 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003848 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3849 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003850
3851 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003852 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003853 if (rc)
3854 goto init_cpu_err;
3855
Michael Chanb6016b72005-05-26 13:03:09 -07003856 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003857 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003858 if (rc)
3859 goto init_cpu_err;
3860
Michael Chanb6016b72005-05-26 13:03:09 -07003861 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003862 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003863 if (rc)
3864 goto init_cpu_err;
3865
Michael Chanb6016b72005-05-26 13:03:09 -07003866 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003867 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003868 if (rc)
3869 goto init_cpu_err;
3870
Michael Chand43584c2006-11-19 14:14:35 -08003871 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003872 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003873
Michael Chanfba9fe92006-06-12 22:21:25 -07003874init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003875 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003876}
3877
3878static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003879bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003880{
3881 u16 pmcsr;
3882
3883 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3884
3885 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003886 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003887 u32 val;
3888
3889 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3890 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3891 PCI_PM_CTRL_PME_STATUS);
3892
3893 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3894 /* delay required during transition out of D3hot */
3895 msleep(20);
3896
3897 val = REG_RD(bp, BNX2_EMAC_MODE);
3898 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3899 val &= ~BNX2_EMAC_MODE_MPKT;
3900 REG_WR(bp, BNX2_EMAC_MODE, val);
3901
3902 val = REG_RD(bp, BNX2_RPM_CONFIG);
3903 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3904 REG_WR(bp, BNX2_RPM_CONFIG, val);
3905 break;
3906 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003907 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003908 int i;
3909 u32 val, wol_msg;
3910
3911 if (bp->wol) {
3912 u32 advertising;
3913 u8 autoneg;
3914
3915 autoneg = bp->autoneg;
3916 advertising = bp->advertising;
3917
Michael Chan239cd342007-10-17 19:26:15 -07003918 if (bp->phy_port == PORT_TP) {
3919 bp->autoneg = AUTONEG_SPEED;
3920 bp->advertising = ADVERTISED_10baseT_Half |
3921 ADVERTISED_10baseT_Full |
3922 ADVERTISED_100baseT_Half |
3923 ADVERTISED_100baseT_Full |
3924 ADVERTISED_Autoneg;
3925 }
Michael Chanb6016b72005-05-26 13:03:09 -07003926
Michael Chan239cd342007-10-17 19:26:15 -07003927 spin_lock_bh(&bp->phy_lock);
3928 bnx2_setup_phy(bp, bp->phy_port);
3929 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003930
3931 bp->autoneg = autoneg;
3932 bp->advertising = advertising;
3933
Benjamin Li5fcaed02008-07-14 22:39:52 -07003934 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003935
3936 val = REG_RD(bp, BNX2_EMAC_MODE);
3937
3938 /* Enable port mode. */
3939 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003940 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003941 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003942 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003943 if (bp->phy_port == PORT_TP)
3944 val |= BNX2_EMAC_MODE_PORT_MII;
3945 else {
3946 val |= BNX2_EMAC_MODE_PORT_GMII;
3947 if (bp->line_speed == SPEED_2500)
3948 val |= BNX2_EMAC_MODE_25G_MODE;
3949 }
Michael Chanb6016b72005-05-26 13:03:09 -07003950
3951 REG_WR(bp, BNX2_EMAC_MODE, val);
3952
3953 /* receive all multicast */
3954 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3955 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3956 0xffffffff);
3957 }
3958 REG_WR(bp, BNX2_EMAC_RX_MODE,
3959 BNX2_EMAC_RX_MODE_SORT_MODE);
3960
3961 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3962 BNX2_RPM_SORT_USER0_MC_EN;
3963 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3964 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3965 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3966 BNX2_RPM_SORT_USER0_ENA);
3967
3968 /* Need to enable EMAC and RPM for WOL. */
3969 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3970 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3971 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3972 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3973
3974 val = REG_RD(bp, BNX2_RPM_CONFIG);
3975 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3976 REG_WR(bp, BNX2_RPM_CONFIG, val);
3977
3978 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3979 }
3980 else {
3981 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3982 }
3983
David S. Millerf86e82f2008-01-21 17:15:40 -08003984 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003985 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3986 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003987
3988 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3989 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3990 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3991
3992 if (bp->wol)
3993 pmcsr |= 3;
3994 }
3995 else {
3996 pmcsr |= 3;
3997 }
3998 if (bp->wol) {
3999 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
4000 }
4001 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
4002 pmcsr);
4003
4004 /* No more memory access after this point until
4005 * device is brought back to D0.
4006 */
4007 udelay(50);
4008 break;
4009 }
4010 default:
4011 return -EINVAL;
4012 }
4013 return 0;
4014}
4015
4016static int
4017bnx2_acquire_nvram_lock(struct bnx2 *bp)
4018{
4019 u32 val;
4020 int j;
4021
4022 /* Request access to the flash interface. */
4023 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4024 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4025 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4026 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4027 break;
4028
4029 udelay(5);
4030 }
4031
4032 if (j >= NVRAM_TIMEOUT_COUNT)
4033 return -EBUSY;
4034
4035 return 0;
4036}
4037
4038static int
4039bnx2_release_nvram_lock(struct bnx2 *bp)
4040{
4041 int j;
4042 u32 val;
4043
4044 /* Relinquish nvram interface. */
4045 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4046
4047 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4048 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4049 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4050 break;
4051
4052 udelay(5);
4053 }
4054
4055 if (j >= NVRAM_TIMEOUT_COUNT)
4056 return -EBUSY;
4057
4058 return 0;
4059}
4060
4061
4062static int
4063bnx2_enable_nvram_write(struct bnx2 *bp)
4064{
4065 u32 val;
4066
4067 val = REG_RD(bp, BNX2_MISC_CFG);
4068 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4069
Michael Chane30372c2007-07-16 18:26:23 -07004070 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004071 int j;
4072
4073 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4074 REG_WR(bp, BNX2_NVM_COMMAND,
4075 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4076
4077 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4078 udelay(5);
4079
4080 val = REG_RD(bp, BNX2_NVM_COMMAND);
4081 if (val & BNX2_NVM_COMMAND_DONE)
4082 break;
4083 }
4084
4085 if (j >= NVRAM_TIMEOUT_COUNT)
4086 return -EBUSY;
4087 }
4088 return 0;
4089}
4090
4091static void
4092bnx2_disable_nvram_write(struct bnx2 *bp)
4093{
4094 u32 val;
4095
4096 val = REG_RD(bp, BNX2_MISC_CFG);
4097 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4098}
4099
4100
4101static void
4102bnx2_enable_nvram_access(struct bnx2 *bp)
4103{
4104 u32 val;
4105
4106 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4107 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004108 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004109 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4110}
4111
4112static void
4113bnx2_disable_nvram_access(struct bnx2 *bp)
4114{
4115 u32 val;
4116
4117 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4118 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004119 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004120 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4121 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4122}
4123
4124static int
4125bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4126{
4127 u32 cmd;
4128 int j;
4129
Michael Chane30372c2007-07-16 18:26:23 -07004130 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004131 /* Buffered flash, no erase needed */
4132 return 0;
4133
4134 /* Build an erase command */
4135 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4136 BNX2_NVM_COMMAND_DOIT;
4137
4138 /* Need to clear DONE bit separately. */
4139 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4140
4141 /* Address of the NVRAM to read from. */
4142 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4143
4144 /* Issue an erase command. */
4145 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4146
4147 /* Wait for completion. */
4148 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4149 u32 val;
4150
4151 udelay(5);
4152
4153 val = REG_RD(bp, BNX2_NVM_COMMAND);
4154 if (val & BNX2_NVM_COMMAND_DONE)
4155 break;
4156 }
4157
4158 if (j >= NVRAM_TIMEOUT_COUNT)
4159 return -EBUSY;
4160
4161 return 0;
4162}
4163
4164static int
4165bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4166{
4167 u32 cmd;
4168 int j;
4169
4170 /* Build the command word. */
4171 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4172
Michael Chane30372c2007-07-16 18:26:23 -07004173 /* Calculate an offset of a buffered flash, not needed for 5709. */
4174 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004175 offset = ((offset / bp->flash_info->page_size) <<
4176 bp->flash_info->page_bits) +
4177 (offset % bp->flash_info->page_size);
4178 }
4179
4180 /* Need to clear DONE bit separately. */
4181 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4182
4183 /* Address of the NVRAM to read from. */
4184 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4185
4186 /* Issue a read command. */
4187 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4188
4189 /* Wait for completion. */
4190 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4191 u32 val;
4192
4193 udelay(5);
4194
4195 val = REG_RD(bp, BNX2_NVM_COMMAND);
4196 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004197 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4198 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004199 break;
4200 }
4201 }
4202 if (j >= NVRAM_TIMEOUT_COUNT)
4203 return -EBUSY;
4204
4205 return 0;
4206}
4207
4208
4209static int
4210bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4211{
Al Virob491edd2007-12-22 19:44:51 +00004212 u32 cmd;
4213 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004214 int j;
4215
4216 /* Build the command word. */
4217 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4218
Michael Chane30372c2007-07-16 18:26:23 -07004219 /* Calculate an offset of a buffered flash, not needed for 5709. */
4220 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004221 offset = ((offset / bp->flash_info->page_size) <<
4222 bp->flash_info->page_bits) +
4223 (offset % bp->flash_info->page_size);
4224 }
4225
4226 /* Need to clear DONE bit separately. */
4227 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4228
4229 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004230
4231 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004232 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004233
4234 /* Address of the NVRAM to write to. */
4235 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4236
4237 /* Issue the write command. */
4238 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4239
4240 /* Wait for completion. */
4241 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4242 udelay(5);
4243
4244 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4245 break;
4246 }
4247 if (j >= NVRAM_TIMEOUT_COUNT)
4248 return -EBUSY;
4249
4250 return 0;
4251}
4252
4253static int
4254bnx2_init_nvram(struct bnx2 *bp)
4255{
4256 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004257 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004258 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004259
Michael Chane30372c2007-07-16 18:26:23 -07004260 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4261 bp->flash_info = &flash_5709;
4262 goto get_flash_size;
4263 }
4264
Michael Chanb6016b72005-05-26 13:03:09 -07004265 /* Determine the selected interface. */
4266 val = REG_RD(bp, BNX2_NVM_CFG1);
4267
Denis Chengff8ac602007-09-02 18:30:18 +08004268 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004269
Michael Chanb6016b72005-05-26 13:03:09 -07004270 if (val & 0x40000000) {
4271
4272 /* Flash interface has been reconfigured */
4273 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004274 j++, flash++) {
4275 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4276 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004277 bp->flash_info = flash;
4278 break;
4279 }
4280 }
4281 }
4282 else {
Michael Chan37137702005-11-04 08:49:17 -08004283 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004284 /* Not yet been reconfigured */
4285
Michael Chan37137702005-11-04 08:49:17 -08004286 if (val & (1 << 23))
4287 mask = FLASH_BACKUP_STRAP_MASK;
4288 else
4289 mask = FLASH_STRAP_MASK;
4290
Michael Chanb6016b72005-05-26 13:03:09 -07004291 for (j = 0, flash = &flash_table[0]; j < entry_count;
4292 j++, flash++) {
4293
Michael Chan37137702005-11-04 08:49:17 -08004294 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004295 bp->flash_info = flash;
4296
4297 /* Request access to the flash interface. */
4298 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4299 return rc;
4300
4301 /* Enable access to flash interface */
4302 bnx2_enable_nvram_access(bp);
4303
4304 /* Reconfigure the flash interface */
4305 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4306 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4307 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4308 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4309
4310 /* Disable access to flash interface */
4311 bnx2_disable_nvram_access(bp);
4312 bnx2_release_nvram_lock(bp);
4313
4314 break;
4315 }
4316 }
4317 } /* if (val & 0x40000000) */
4318
4319 if (j == entry_count) {
4320 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08004321 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08004322 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004323 }
4324
Michael Chane30372c2007-07-16 18:26:23 -07004325get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004326 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004327 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4328 if (val)
4329 bp->flash_size = val;
4330 else
4331 bp->flash_size = bp->flash_info->total_size;
4332
Michael Chanb6016b72005-05-26 13:03:09 -07004333 return rc;
4334}
4335
4336static int
4337bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4338 int buf_size)
4339{
4340 int rc = 0;
4341 u32 cmd_flags, offset32, len32, extra;
4342
4343 if (buf_size == 0)
4344 return 0;
4345
4346 /* Request access to the flash interface. */
4347 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4348 return rc;
4349
4350 /* Enable access to flash interface */
4351 bnx2_enable_nvram_access(bp);
4352
4353 len32 = buf_size;
4354 offset32 = offset;
4355 extra = 0;
4356
4357 cmd_flags = 0;
4358
4359 if (offset32 & 3) {
4360 u8 buf[4];
4361 u32 pre_len;
4362
4363 offset32 &= ~3;
4364 pre_len = 4 - (offset & 3);
4365
4366 if (pre_len >= len32) {
4367 pre_len = len32;
4368 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4369 BNX2_NVM_COMMAND_LAST;
4370 }
4371 else {
4372 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4373 }
4374
4375 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4376
4377 if (rc)
4378 return rc;
4379
4380 memcpy(ret_buf, buf + (offset & 3), pre_len);
4381
4382 offset32 += 4;
4383 ret_buf += pre_len;
4384 len32 -= pre_len;
4385 }
4386 if (len32 & 3) {
4387 extra = 4 - (len32 & 3);
4388 len32 = (len32 + 4) & ~3;
4389 }
4390
4391 if (len32 == 4) {
4392 u8 buf[4];
4393
4394 if (cmd_flags)
4395 cmd_flags = BNX2_NVM_COMMAND_LAST;
4396 else
4397 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4398 BNX2_NVM_COMMAND_LAST;
4399
4400 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4401
4402 memcpy(ret_buf, buf, 4 - extra);
4403 }
4404 else if (len32 > 0) {
4405 u8 buf[4];
4406
4407 /* Read the first word. */
4408 if (cmd_flags)
4409 cmd_flags = 0;
4410 else
4411 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4412
4413 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4414
4415 /* Advance to the next dword. */
4416 offset32 += 4;
4417 ret_buf += 4;
4418 len32 -= 4;
4419
4420 while (len32 > 4 && rc == 0) {
4421 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4422
4423 /* Advance to the next dword. */
4424 offset32 += 4;
4425 ret_buf += 4;
4426 len32 -= 4;
4427 }
4428
4429 if (rc)
4430 return rc;
4431
4432 cmd_flags = BNX2_NVM_COMMAND_LAST;
4433 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4434
4435 memcpy(ret_buf, buf, 4 - extra);
4436 }
4437
4438 /* Disable access to flash interface */
4439 bnx2_disable_nvram_access(bp);
4440
4441 bnx2_release_nvram_lock(bp);
4442
4443 return rc;
4444}
4445
4446static int
4447bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4448 int buf_size)
4449{
4450 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004451 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004452 int rc = 0;
4453 int align_start, align_end;
4454
4455 buf = data_buf;
4456 offset32 = offset;
4457 len32 = buf_size;
4458 align_start = align_end = 0;
4459
4460 if ((align_start = (offset32 & 3))) {
4461 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004462 len32 += align_start;
4463 if (len32 < 4)
4464 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004465 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4466 return rc;
4467 }
4468
4469 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004470 align_end = 4 - (len32 & 3);
4471 len32 += align_end;
4472 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4473 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004474 }
4475
4476 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004477 align_buf = kmalloc(len32, GFP_KERNEL);
4478 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004479 return -ENOMEM;
4480 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004481 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004482 }
4483 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004484 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004485 }
Michael Chane6be7632007-01-08 19:56:13 -08004486 memcpy(align_buf + align_start, data_buf, buf_size);
4487 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004488 }
4489
Michael Chane30372c2007-07-16 18:26:23 -07004490 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004491 flash_buffer = kmalloc(264, GFP_KERNEL);
4492 if (flash_buffer == NULL) {
4493 rc = -ENOMEM;
4494 goto nvram_write_end;
4495 }
4496 }
4497
Michael Chanb6016b72005-05-26 13:03:09 -07004498 written = 0;
4499 while ((written < len32) && (rc == 0)) {
4500 u32 page_start, page_end, data_start, data_end;
4501 u32 addr, cmd_flags;
4502 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004503
4504 /* Find the page_start addr */
4505 page_start = offset32 + written;
4506 page_start -= (page_start % bp->flash_info->page_size);
4507 /* Find the page_end addr */
4508 page_end = page_start + bp->flash_info->page_size;
4509 /* Find the data_start addr */
4510 data_start = (written == 0) ? offset32 : page_start;
4511 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004512 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004513 (offset32 + len32) : page_end;
4514
4515 /* Request access to the flash interface. */
4516 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4517 goto nvram_write_end;
4518
4519 /* Enable access to flash interface */
4520 bnx2_enable_nvram_access(bp);
4521
4522 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004523 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004524 int j;
4525
4526 /* Read the whole page into the buffer
4527 * (non-buffer flash only) */
4528 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4529 if (j == (bp->flash_info->page_size - 4)) {
4530 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4531 }
4532 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004533 page_start + j,
4534 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004535 cmd_flags);
4536
4537 if (rc)
4538 goto nvram_write_end;
4539
4540 cmd_flags = 0;
4541 }
4542 }
4543
4544 /* Enable writes to flash interface (unlock write-protect) */
4545 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4546 goto nvram_write_end;
4547
Michael Chanb6016b72005-05-26 13:03:09 -07004548 /* Loop to write back the buffer data from page_start to
4549 * data_start */
4550 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004551 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004552 /* Erase the page */
4553 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4554 goto nvram_write_end;
4555
4556 /* Re-enable the write again for the actual write */
4557 bnx2_enable_nvram_write(bp);
4558
Michael Chanb6016b72005-05-26 13:03:09 -07004559 for (addr = page_start; addr < data_start;
4560 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004561
Michael Chanb6016b72005-05-26 13:03:09 -07004562 rc = bnx2_nvram_write_dword(bp, addr,
4563 &flash_buffer[i], cmd_flags);
4564
4565 if (rc != 0)
4566 goto nvram_write_end;
4567
4568 cmd_flags = 0;
4569 }
4570 }
4571
4572 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004573 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004574 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004575 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004576 (addr == data_end - 4))) {
4577
4578 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4579 }
4580 rc = bnx2_nvram_write_dword(bp, addr, buf,
4581 cmd_flags);
4582
4583 if (rc != 0)
4584 goto nvram_write_end;
4585
4586 cmd_flags = 0;
4587 buf += 4;
4588 }
4589
4590 /* Loop to write back the buffer data from data_end
4591 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004592 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004593 for (addr = data_end; addr < page_end;
4594 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004595
Michael Chanb6016b72005-05-26 13:03:09 -07004596 if (addr == page_end-4) {
4597 cmd_flags = BNX2_NVM_COMMAND_LAST;
4598 }
4599 rc = bnx2_nvram_write_dword(bp, addr,
4600 &flash_buffer[i], cmd_flags);
4601
4602 if (rc != 0)
4603 goto nvram_write_end;
4604
4605 cmd_flags = 0;
4606 }
4607 }
4608
4609 /* Disable writes to flash interface (lock write-protect) */
4610 bnx2_disable_nvram_write(bp);
4611
4612 /* Disable access to flash interface */
4613 bnx2_disable_nvram_access(bp);
4614 bnx2_release_nvram_lock(bp);
4615
4616 /* Increment written */
4617 written += data_end - data_start;
4618 }
4619
4620nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004621 kfree(flash_buffer);
4622 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004623 return rc;
4624}
4625
Michael Chan0d8a6572007-07-07 22:49:43 -07004626static void
Michael Chan7c62e832008-07-14 22:39:03 -07004627bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004628{
Michael Chan7c62e832008-07-14 22:39:03 -07004629 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004630
Michael Chan583c28e2008-01-21 19:51:35 -08004631 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004632 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4633
4634 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4635 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004636
Michael Chan2726d6e2008-01-29 21:35:05 -08004637 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004638 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4639 return;
4640
Michael Chan7c62e832008-07-14 22:39:03 -07004641 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4642 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4643 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4644 }
4645
4646 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4647 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4648 u32 link;
4649
Michael Chan583c28e2008-01-21 19:51:35 -08004650 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004651
Michael Chan7c62e832008-07-14 22:39:03 -07004652 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4653 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004654 bp->phy_port = PORT_FIBRE;
4655 else
4656 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004657
Michael Chan7c62e832008-07-14 22:39:03 -07004658 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4659 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004660 }
Michael Chan7c62e832008-07-14 22:39:03 -07004661
4662 if (netif_running(bp->dev) && sig)
4663 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004664}
4665
Michael Chanb4b36042007-12-20 19:59:30 -08004666static void
4667bnx2_setup_msix_tbl(struct bnx2 *bp)
4668{
4669 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4670
4671 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4672 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4673}
4674
Michael Chanb6016b72005-05-26 13:03:09 -07004675static int
4676bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4677{
4678 u32 val;
4679 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004680 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004681
4682 /* Wait for the current PCI transaction to complete before
4683 * issuing a reset. */
4684 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4685 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4686 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4687 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4688 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4689 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4690 udelay(5);
4691
Michael Chanb090ae22006-01-23 16:07:10 -08004692 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004693 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004694
Michael Chanb6016b72005-05-26 13:03:09 -07004695 /* Deposit a driver reset signature so the firmware knows that
4696 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004697 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4698 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004699
Michael Chanb6016b72005-05-26 13:03:09 -07004700 /* Do a dummy read to force the chip to complete all current transaction
4701 * before we issue a reset. */
4702 val = REG_RD(bp, BNX2_MISC_ID);
4703
Michael Chan234754d2006-11-19 14:11:41 -08004704 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4705 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4706 REG_RD(bp, BNX2_MISC_COMMAND);
4707 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004708
Michael Chan234754d2006-11-19 14:11:41 -08004709 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4710 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004711
Michael Chan234754d2006-11-19 14:11:41 -08004712 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004713
Michael Chan234754d2006-11-19 14:11:41 -08004714 } else {
4715 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4716 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4717 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4718
4719 /* Chip reset. */
4720 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4721
Michael Chan594a9df2007-08-28 15:39:42 -07004722 /* Reading back any register after chip reset will hang the
4723 * bus on 5706 A0 and A1. The msleep below provides plenty
4724 * of margin for write posting.
4725 */
Michael Chan234754d2006-11-19 14:11:41 -08004726 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004727 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4728 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004729
Michael Chan234754d2006-11-19 14:11:41 -08004730 /* Reset takes approximate 30 usec */
4731 for (i = 0; i < 10; i++) {
4732 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4733 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4734 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4735 break;
4736 udelay(10);
4737 }
4738
4739 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4740 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4741 printk(KERN_ERR PFX "Chip reset did not complete\n");
4742 return -EBUSY;
4743 }
Michael Chanb6016b72005-05-26 13:03:09 -07004744 }
4745
4746 /* Make sure byte swapping is properly configured. */
4747 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4748 if (val != 0x01020304) {
4749 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4750 return -ENODEV;
4751 }
4752
Michael Chanb6016b72005-05-26 13:03:09 -07004753 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004754 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004755 if (rc)
4756 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004757
Michael Chan0d8a6572007-07-07 22:49:43 -07004758 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004759 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004760 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004761 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4762 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004763 bnx2_set_default_remote_link(bp);
4764 spin_unlock_bh(&bp->phy_lock);
4765
Michael Chanb6016b72005-05-26 13:03:09 -07004766 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4767 /* Adjust the voltage regular to two steps lower. The default
4768 * of this register is 0x0000000e. */
4769 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4770
4771 /* Remove bad rbuf memory from the free pool. */
4772 rc = bnx2_alloc_bad_rbuf(bp);
4773 }
4774
David S. Millerf86e82f2008-01-21 17:15:40 -08004775 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004776 bnx2_setup_msix_tbl(bp);
4777
Michael Chanb6016b72005-05-26 13:03:09 -07004778 return rc;
4779}
4780
4781static int
4782bnx2_init_chip(struct bnx2 *bp)
4783{
Michael Chand8026d92008-11-12 16:02:20 -08004784 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004785 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004786
4787 /* Make sure the interrupt is not active. */
4788 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4789
4790 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4791 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4792#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004793 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004794#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004795 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004796 DMA_READ_CHANS << 12 |
4797 DMA_WRITE_CHANS << 16;
4798
4799 val |= (0x2 << 20) | (1 << 11);
4800
David S. Millerf86e82f2008-01-21 17:15:40 -08004801 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004802 val |= (1 << 23);
4803
4804 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004805 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004806 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4807
4808 REG_WR(bp, BNX2_DMA_CONFIG, val);
4809
4810 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4811 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4812 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4813 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4814 }
4815
David S. Millerf86e82f2008-01-21 17:15:40 -08004816 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004817 u16 val16;
4818
4819 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4820 &val16);
4821 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4822 val16 & ~PCI_X_CMD_ERO);
4823 }
4824
4825 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4826 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4827 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4828 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4829
4830 /* Initialize context mapping and zero out the quick contexts. The
4831 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004832 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4833 rc = bnx2_init_5709_context(bp);
4834 if (rc)
4835 return rc;
4836 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004837 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004838
Michael Chanfba9fe92006-06-12 22:21:25 -07004839 if ((rc = bnx2_init_cpus(bp)) != 0)
4840 return rc;
4841
Michael Chanb6016b72005-05-26 13:03:09 -07004842 bnx2_init_nvram(bp);
4843
Benjamin Li5fcaed02008-07-14 22:39:52 -07004844 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004845
4846 val = REG_RD(bp, BNX2_MQ_CONFIG);
4847 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4848 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004849 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4850 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4851 if (CHIP_REV(bp) == CHIP_REV_Ax)
4852 val |= BNX2_MQ_CONFIG_HALT_DIS;
4853 }
Michael Chan68c9f752007-04-24 15:35:53 -07004854
Michael Chanb6016b72005-05-26 13:03:09 -07004855 REG_WR(bp, BNX2_MQ_CONFIG, val);
4856
4857 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4858 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4859 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4860
4861 val = (BCM_PAGE_BITS - 8) << 24;
4862 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4863
4864 /* Configure page size. */
4865 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4866 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4867 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4868 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4869
4870 val = bp->mac_addr[0] +
4871 (bp->mac_addr[1] << 8) +
4872 (bp->mac_addr[2] << 16) +
4873 bp->mac_addr[3] +
4874 (bp->mac_addr[4] << 8) +
4875 (bp->mac_addr[5] << 16);
4876 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4877
4878 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004879 mtu = bp->dev->mtu;
4880 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004881 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4882 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4883 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4884
Michael Chand8026d92008-11-12 16:02:20 -08004885 if (mtu < 1500)
4886 mtu = 1500;
4887
4888 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4889 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4890 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4891
Michael Chan155d5562009-08-21 16:20:43 +00004892 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004893 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4894 bp->bnx2_napi[i].last_status_idx = 0;
4895
Michael Chanefba0182008-12-03 00:36:15 -08004896 bp->idle_chk_status_idx = 0xffff;
4897
Michael Chanb6016b72005-05-26 13:03:09 -07004898 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4899
4900 /* Set up how to generate a link change interrupt. */
4901 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4902
4903 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4904 (u64) bp->status_blk_mapping & 0xffffffff);
4905 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4906
4907 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4908 (u64) bp->stats_blk_mapping & 0xffffffff);
4909 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4910 (u64) bp->stats_blk_mapping >> 32);
4911
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004912 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004913 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4914
4915 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4916 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4917
4918 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4919 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4920
4921 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4922
4923 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4924
4925 REG_WR(bp, BNX2_HC_COM_TICKS,
4926 (bp->com_ticks_int << 16) | bp->com_ticks);
4927
4928 REG_WR(bp, BNX2_HC_CMD_TICKS,
4929 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4930
Michael Chan61d9e3f2009-08-21 16:20:46 +00004931 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004932 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4933 else
Michael Chan7ea69202007-07-16 18:27:10 -07004934 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004935 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4936
4937 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004938 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004939 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004940 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4941 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004942 }
4943
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004944 if (bp->irq_nvecs > 1) {
Michael Chanc76c0472007-12-20 20:01:19 -08004945 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4946 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4947
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004948 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4949 }
4950
4951 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004952 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004953
4954 REG_WR(bp, BNX2_HC_CONFIG, val);
4955
4956 for (i = 1; i < bp->irq_nvecs; i++) {
4957 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4958 BNX2_HC_SB_CONFIG_1;
4959
Michael Chan6f743ca2008-01-29 21:34:08 -08004960 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004961 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004962 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004963 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4964
Michael Chan6f743ca2008-01-29 21:34:08 -08004965 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004966 (bp->tx_quick_cons_trip_int << 16) |
4967 bp->tx_quick_cons_trip);
4968
Michael Chan6f743ca2008-01-29 21:34:08 -08004969 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004970 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4971
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004972 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4973 (bp->rx_quick_cons_trip_int << 16) |
4974 bp->rx_quick_cons_trip);
4975
4976 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4977 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004978 }
4979
Michael Chanb6016b72005-05-26 13:03:09 -07004980 /* Clear internal stats counters. */
4981 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4982
Michael Chanda3e4fb2007-05-03 13:24:23 -07004983 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004984
4985 /* Initialize the receive filter. */
4986 bnx2_set_rx_mode(bp->dev);
4987
Michael Chan0aa38df2007-06-04 21:23:06 -07004988 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4989 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4990 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4991 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4992 }
Michael Chanb090ae22006-01-23 16:07:10 -08004993 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004994 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004995
Michael Chandf149d72007-07-07 22:51:36 -07004996 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004997 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4998
4999 udelay(20);
5000
Michael Chanbf5295b2006-03-23 01:11:56 -08005001 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
5002
Michael Chanb090ae22006-01-23 16:07:10 -08005003 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005004}
5005
Michael Chan59b47d82006-11-19 14:10:45 -08005006static void
Michael Chanc76c0472007-12-20 20:01:19 -08005007bnx2_clear_ring_states(struct bnx2 *bp)
5008{
5009 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005010 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005011 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005012 int i;
5013
5014 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5015 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005016 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005017 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005018
Michael Chan35e90102008-06-19 16:37:42 -07005019 txr->tx_cons = 0;
5020 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005021 rxr->rx_prod_bseq = 0;
5022 rxr->rx_prod = 0;
5023 rxr->rx_cons = 0;
5024 rxr->rx_pg_prod = 0;
5025 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005026 }
5027}
5028
5029static void
Michael Chan35e90102008-06-19 16:37:42 -07005030bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005031{
5032 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005033 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005034
5035 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5036 offset0 = BNX2_L2CTX_TYPE_XI;
5037 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5038 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5039 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5040 } else {
5041 offset0 = BNX2_L2CTX_TYPE;
5042 offset1 = BNX2_L2CTX_CMD_TYPE;
5043 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5044 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5045 }
5046 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005047 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005048
5049 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005050 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005051
Michael Chan35e90102008-06-19 16:37:42 -07005052 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005053 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005054
Michael Chan35e90102008-06-19 16:37:42 -07005055 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005056 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005057}
Michael Chanb6016b72005-05-26 13:03:09 -07005058
5059static void
Michael Chan35e90102008-06-19 16:37:42 -07005060bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005061{
5062 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005063 u32 cid = TX_CID;
5064 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005065 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005066
Michael Chan35e90102008-06-19 16:37:42 -07005067 bnapi = &bp->bnx2_napi[ring_num];
5068 txr = &bnapi->tx_ring;
5069
5070 if (ring_num == 0)
5071 cid = TX_CID;
5072 else
5073 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005074
Michael Chan2f8af122006-08-15 01:39:10 -07005075 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5076
Michael Chan35e90102008-06-19 16:37:42 -07005077 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005078
Michael Chan35e90102008-06-19 16:37:42 -07005079 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5080 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005081
Michael Chan35e90102008-06-19 16:37:42 -07005082 txr->tx_prod = 0;
5083 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005084
Michael Chan35e90102008-06-19 16:37:42 -07005085 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5086 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005087
Michael Chan35e90102008-06-19 16:37:42 -07005088 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005089}
5090
5091static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005092bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5093 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005094{
Michael Chanb6016b72005-05-26 13:03:09 -07005095 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005096 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005097
Michael Chan5d5d0012007-12-12 11:17:43 -08005098 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005099 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005100
Michael Chan5d5d0012007-12-12 11:17:43 -08005101 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005102 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005103 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005104 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5105 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005106 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005107 j = 0;
5108 else
5109 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005110 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5111 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005112 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005113}
5114
5115static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005116bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005117{
5118 int i;
5119 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005120 u32 cid, rx_cid_addr, val;
5121 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5122 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005123
Michael Chanbb4f98a2008-06-19 16:38:19 -07005124 if (ring_num == 0)
5125 cid = RX_CID;
5126 else
5127 cid = RX_RSS_CID + ring_num - 1;
5128
5129 rx_cid_addr = GET_CID_ADDR(cid);
5130
5131 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005132 bp->rx_buf_use_size, bp->rx_max_ring);
5133
Michael Chanbb4f98a2008-06-19 16:38:19 -07005134 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005135
5136 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5137 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5138 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5139 }
5140
Michael Chan62a83132008-01-29 21:35:40 -08005141 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005142 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005143 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5144 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005145 PAGE_SIZE, bp->rx_max_pg_ring);
5146 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005147 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5148 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005149 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005150
Michael Chanbb4f98a2008-06-19 16:38:19 -07005151 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005152 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005153
Michael Chanbb4f98a2008-06-19 16:38:19 -07005154 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005155 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005156
5157 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5158 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5159 }
Michael Chanb6016b72005-05-26 13:03:09 -07005160
Michael Chanbb4f98a2008-06-19 16:38:19 -07005161 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005162 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005163
Michael Chanbb4f98a2008-06-19 16:38:19 -07005164 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005165 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005166
Michael Chanbb4f98a2008-06-19 16:38:19 -07005167 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005168 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005169 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
5170 printk(KERN_WARNING PFX "%s: init'ed rx page ring %d "
5171 "with %d/%d pages only\n",
5172 bp->dev->name, ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005173 break;
Michael Chanb929e532009-12-03 09:46:33 +00005174 }
Michael Chan47bf4242007-12-12 11:19:12 -08005175 prod = NEXT_RX_BD(prod);
5176 ring_prod = RX_PG_RING_IDX(prod);
5177 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005178 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005179
Michael Chanbb4f98a2008-06-19 16:38:19 -07005180 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005181 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005182 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
5183 printk(KERN_WARNING PFX "%s: init'ed rx ring %d with "
5184 "%d/%d skbs only\n",
5185 bp->dev->name, ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005186 break;
Michael Chanb929e532009-12-03 09:46:33 +00005187 }
Michael Chanb6016b72005-05-26 13:03:09 -07005188 prod = NEXT_RX_BD(prod);
5189 ring_prod = RX_RING_IDX(prod);
5190 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005191 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005192
Michael Chanbb4f98a2008-06-19 16:38:19 -07005193 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5194 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5195 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005196
Michael Chanbb4f98a2008-06-19 16:38:19 -07005197 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5198 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5199
5200 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005201}
5202
Michael Chan35e90102008-06-19 16:37:42 -07005203static void
5204bnx2_init_all_rings(struct bnx2 *bp)
5205{
5206 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005207 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005208
5209 bnx2_clear_ring_states(bp);
5210
5211 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5212 for (i = 0; i < bp->num_tx_rings; i++)
5213 bnx2_init_tx_ring(bp, i);
5214
5215 if (bp->num_tx_rings > 1)
5216 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5217 (TX_TSS_CID << 7));
5218
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005219 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5220 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5221
Michael Chanbb4f98a2008-06-19 16:38:19 -07005222 for (i = 0; i < bp->num_rx_rings; i++)
5223 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005224
5225 if (bp->num_rx_rings > 1) {
5226 u32 tbl_32;
5227 u8 *tbl = (u8 *) &tbl_32;
5228
5229 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5230 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5231
5232 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5233 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5234 if ((i % 4) == 3)
5235 bnx2_reg_wr_ind(bp,
5236 BNX2_RXP_SCRATCH_RSS_TBL + i,
5237 cpu_to_be32(tbl_32));
5238 }
5239
5240 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5241 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5242
5243 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5244
5245 }
Michael Chan35e90102008-06-19 16:37:42 -07005246}
5247
Michael Chan5d5d0012007-12-12 11:17:43 -08005248static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005249{
Michael Chan5d5d0012007-12-12 11:17:43 -08005250 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005251
Michael Chan5d5d0012007-12-12 11:17:43 -08005252 while (ring_size > MAX_RX_DESC_CNT) {
5253 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005254 num_rings++;
5255 }
5256 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005257 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005258 while ((max & num_rings) == 0)
5259 max >>= 1;
5260
5261 if (num_rings != max)
5262 max <<= 1;
5263
Michael Chan5d5d0012007-12-12 11:17:43 -08005264 return max;
5265}
5266
5267static void
5268bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5269{
Michael Chan84eaa182007-12-12 11:19:57 -08005270 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005271
5272 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005273 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005274
Michael Chan84eaa182007-12-12 11:19:57 -08005275 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5276 sizeof(struct skb_shared_info);
5277
Benjamin Li601d3d12008-05-16 22:19:35 -07005278 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005279 bp->rx_pg_ring_size = 0;
5280 bp->rx_max_pg_ring = 0;
5281 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005282 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005283 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5284
5285 jumbo_size = size * pages;
5286 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5287 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5288
5289 bp->rx_pg_ring_size = jumbo_size;
5290 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5291 MAX_RX_PG_RINGS);
5292 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005293 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005294 bp->rx_copy_thresh = 0;
5295 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005296
5297 bp->rx_buf_use_size = rx_size;
5298 /* hw alignment */
5299 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005300 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005301 bp->rx_ring_size = size;
5302 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005303 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5304}
5305
5306static void
Michael Chanb6016b72005-05-26 13:03:09 -07005307bnx2_free_tx_skbs(struct bnx2 *bp)
5308{
5309 int i;
5310
Michael Chan35e90102008-06-19 16:37:42 -07005311 for (i = 0; i < bp->num_tx_rings; i++) {
5312 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5313 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5314 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005315
Michael Chan35e90102008-06-19 16:37:42 -07005316 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005317 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005318
Michael Chan35e90102008-06-19 16:37:42 -07005319 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005320 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005321 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005322 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005323
5324 if (skb == NULL) {
5325 j++;
5326 continue;
5327 }
5328
Alexander Duycke95524a2009-12-02 16:47:57 +00005329 pci_unmap_single(bp->pdev,
5330 pci_unmap_addr(tx_buf, mapping),
5331 skb_headlen(skb),
5332 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005333
Michael Chan35e90102008-06-19 16:37:42 -07005334 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005335
Alexander Duycke95524a2009-12-02 16:47:57 +00005336 last = tx_buf->nr_frags;
5337 j++;
5338 for (k = 0; k < last; k++, j++) {
5339 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5340 pci_unmap_page(bp->pdev,
5341 pci_unmap_addr(tx_buf, mapping),
5342 skb_shinfo(skb)->frags[k].size,
5343 PCI_DMA_TODEVICE);
5344 }
Michael Chan35e90102008-06-19 16:37:42 -07005345 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005346 }
Michael Chanb6016b72005-05-26 13:03:09 -07005347 }
Michael Chanb6016b72005-05-26 13:03:09 -07005348}
5349
5350static void
5351bnx2_free_rx_skbs(struct bnx2 *bp)
5352{
5353 int i;
5354
Michael Chanbb4f98a2008-06-19 16:38:19 -07005355 for (i = 0; i < bp->num_rx_rings; i++) {
5356 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5357 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5358 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005359
Michael Chanbb4f98a2008-06-19 16:38:19 -07005360 if (rxr->rx_buf_ring == NULL)
5361 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005362
Michael Chanbb4f98a2008-06-19 16:38:19 -07005363 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5364 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5365 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005366
Michael Chanbb4f98a2008-06-19 16:38:19 -07005367 if (skb == NULL)
5368 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005369
Michael Chanbb4f98a2008-06-19 16:38:19 -07005370 pci_unmap_single(bp->pdev,
5371 pci_unmap_addr(rx_buf, mapping),
5372 bp->rx_buf_use_size,
5373 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005374
Michael Chanbb4f98a2008-06-19 16:38:19 -07005375 rx_buf->skb = NULL;
5376
5377 dev_kfree_skb(skb);
5378 }
5379 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5380 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005381 }
5382}
5383
5384static void
5385bnx2_free_skbs(struct bnx2 *bp)
5386{
5387 bnx2_free_tx_skbs(bp);
5388 bnx2_free_rx_skbs(bp);
5389}
5390
5391static int
5392bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5393{
5394 int rc;
5395
5396 rc = bnx2_reset_chip(bp, reset_code);
5397 bnx2_free_skbs(bp);
5398 if (rc)
5399 return rc;
5400
Michael Chanfba9fe92006-06-12 22:21:25 -07005401 if ((rc = bnx2_init_chip(bp)) != 0)
5402 return rc;
5403
Michael Chan35e90102008-06-19 16:37:42 -07005404 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005405 return 0;
5406}
5407
5408static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005409bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005410{
5411 int rc;
5412
5413 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5414 return rc;
5415
Michael Chan80be4432006-11-19 14:07:28 -08005416 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005417 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005418 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005419 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5420 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005421 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005422 return 0;
5423}
5424
5425static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005426bnx2_shutdown_chip(struct bnx2 *bp)
5427{
5428 u32 reset_code;
5429
5430 if (bp->flags & BNX2_FLAG_NO_WOL)
5431 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5432 else if (bp->wol)
5433 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5434 else
5435 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5436
5437 return bnx2_reset_chip(bp, reset_code);
5438}
5439
5440static int
Michael Chanb6016b72005-05-26 13:03:09 -07005441bnx2_test_registers(struct bnx2 *bp)
5442{
5443 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005444 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005445 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005446 u16 offset;
5447 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005448#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005449 u32 rw_mask;
5450 u32 ro_mask;
5451 } reg_tbl[] = {
5452 { 0x006c, 0, 0x00000000, 0x0000003f },
5453 { 0x0090, 0, 0xffffffff, 0x00000000 },
5454 { 0x0094, 0, 0x00000000, 0x00000000 },
5455
Michael Chan5bae30c2007-05-03 13:18:46 -07005456 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5457 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5458 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5459 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5460 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5461 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5462 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5463 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5464 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005465
Michael Chan5bae30c2007-05-03 13:18:46 -07005466 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5467 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5468 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5469 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5470 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5471 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005472
Michael Chan5bae30c2007-05-03 13:18:46 -07005473 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5474 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5475 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005476
5477 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005478 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005479
5480 { 0x1408, 0, 0x01c00800, 0x00000000 },
5481 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5482 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005483 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005484 { 0x14b0, 0, 0x00000002, 0x00000001 },
5485 { 0x14b8, 0, 0x00000000, 0x00000000 },
5486 { 0x14c0, 0, 0x00000000, 0x00000009 },
5487 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5488 { 0x14cc, 0, 0x00000000, 0x00000001 },
5489 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005490
5491 { 0x1800, 0, 0x00000000, 0x00000001 },
5492 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005493
5494 { 0x2800, 0, 0x00000000, 0x00000001 },
5495 { 0x2804, 0, 0x00000000, 0x00003f01 },
5496 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5497 { 0x2810, 0, 0xffff0000, 0x00000000 },
5498 { 0x2814, 0, 0xffff0000, 0x00000000 },
5499 { 0x2818, 0, 0xffff0000, 0x00000000 },
5500 { 0x281c, 0, 0xffff0000, 0x00000000 },
5501 { 0x2834, 0, 0xffffffff, 0x00000000 },
5502 { 0x2840, 0, 0x00000000, 0xffffffff },
5503 { 0x2844, 0, 0x00000000, 0xffffffff },
5504 { 0x2848, 0, 0xffffffff, 0x00000000 },
5505 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5506
5507 { 0x2c00, 0, 0x00000000, 0x00000011 },
5508 { 0x2c04, 0, 0x00000000, 0x00030007 },
5509
Michael Chanb6016b72005-05-26 13:03:09 -07005510 { 0x3c00, 0, 0x00000000, 0x00000001 },
5511 { 0x3c04, 0, 0x00000000, 0x00070000 },
5512 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5513 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5514 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5515 { 0x3c14, 0, 0x00000000, 0xffffffff },
5516 { 0x3c18, 0, 0x00000000, 0xffffffff },
5517 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5518 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005519
5520 { 0x5004, 0, 0x00000000, 0x0000007f },
5521 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005522
Michael Chanb6016b72005-05-26 13:03:09 -07005523 { 0x5c00, 0, 0x00000000, 0x00000001 },
5524 { 0x5c04, 0, 0x00000000, 0x0003000f },
5525 { 0x5c08, 0, 0x00000003, 0x00000000 },
5526 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5527 { 0x5c10, 0, 0x00000000, 0xffffffff },
5528 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5529 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5530 { 0x5c88, 0, 0x00000000, 0x00077373 },
5531 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5532
5533 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5534 { 0x680c, 0, 0xffffffff, 0x00000000 },
5535 { 0x6810, 0, 0xffffffff, 0x00000000 },
5536 { 0x6814, 0, 0xffffffff, 0x00000000 },
5537 { 0x6818, 0, 0xffffffff, 0x00000000 },
5538 { 0x681c, 0, 0xffffffff, 0x00000000 },
5539 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5540 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5541 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5542 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5543 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5544 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5545 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5546 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5547 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5548 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5549 { 0x684c, 0, 0xffffffff, 0x00000000 },
5550 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5551 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5552 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5553 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5554 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5555 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5556
5557 { 0xffff, 0, 0x00000000, 0x00000000 },
5558 };
5559
5560 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005561 is_5709 = 0;
5562 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5563 is_5709 = 1;
5564
Michael Chanb6016b72005-05-26 13:03:09 -07005565 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5566 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005567 u16 flags = reg_tbl[i].flags;
5568
5569 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5570 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005571
5572 offset = (u32) reg_tbl[i].offset;
5573 rw_mask = reg_tbl[i].rw_mask;
5574 ro_mask = reg_tbl[i].ro_mask;
5575
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005576 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005577
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005578 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005579
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005580 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005581 if ((val & rw_mask) != 0) {
5582 goto reg_test_err;
5583 }
5584
5585 if ((val & ro_mask) != (save_val & ro_mask)) {
5586 goto reg_test_err;
5587 }
5588
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005589 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005590
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005591 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005592 if ((val & rw_mask) != rw_mask) {
5593 goto reg_test_err;
5594 }
5595
5596 if ((val & ro_mask) != (save_val & ro_mask)) {
5597 goto reg_test_err;
5598 }
5599
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005600 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005601 continue;
5602
5603reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005604 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005605 ret = -ENODEV;
5606 break;
5607 }
5608 return ret;
5609}
5610
5611static int
5612bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5613{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005614 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005615 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5616 int i;
5617
5618 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5619 u32 offset;
5620
5621 for (offset = 0; offset < size; offset += 4) {
5622
Michael Chan2726d6e2008-01-29 21:35:05 -08005623 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005624
Michael Chan2726d6e2008-01-29 21:35:05 -08005625 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005626 test_pattern[i]) {
5627 return -ENODEV;
5628 }
5629 }
5630 }
5631 return 0;
5632}
5633
5634static int
5635bnx2_test_memory(struct bnx2 *bp)
5636{
5637 int ret = 0;
5638 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005639 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005640 u32 offset;
5641 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005642 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005643 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005644 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005645 { 0xe0000, 0x4000 },
5646 { 0x120000, 0x4000 },
5647 { 0x1a0000, 0x4000 },
5648 { 0x160000, 0x4000 },
5649 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005650 },
5651 mem_tbl_5709[] = {
5652 { 0x60000, 0x4000 },
5653 { 0xa0000, 0x3000 },
5654 { 0xe0000, 0x4000 },
5655 { 0x120000, 0x4000 },
5656 { 0x1a0000, 0x4000 },
5657 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005658 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005659 struct mem_entry *mem_tbl;
5660
5661 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5662 mem_tbl = mem_tbl_5709;
5663 else
5664 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005665
5666 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5667 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5668 mem_tbl[i].len)) != 0) {
5669 return ret;
5670 }
5671 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005672
Michael Chanb6016b72005-05-26 13:03:09 -07005673 return ret;
5674}
5675
Michael Chanbc5a0692006-01-23 16:13:22 -08005676#define BNX2_MAC_LOOPBACK 0
5677#define BNX2_PHY_LOOPBACK 1
5678
Michael Chanb6016b72005-05-26 13:03:09 -07005679static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005680bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005681{
5682 unsigned int pkt_size, num_pkts, i;
5683 struct sk_buff *skb, *rx_skb;
5684 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005685 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005686 dma_addr_t map;
5687 struct tx_bd *txbd;
5688 struct sw_bd *rx_buf;
5689 struct l2_fhdr *rx_hdr;
5690 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005691 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005692 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005693 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005694
5695 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005696
Michael Chan35e90102008-06-19 16:37:42 -07005697 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005698 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005699 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5700 bp->loopback = MAC_LOOPBACK;
5701 bnx2_set_mac_loopback(bp);
5702 }
5703 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005704 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005705 return 0;
5706
Michael Chan80be4432006-11-19 14:07:28 -08005707 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005708 bnx2_set_phy_loopback(bp);
5709 }
5710 else
5711 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005712
Michael Chan84eaa182007-12-12 11:19:57 -08005713 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005714 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005715 if (!skb)
5716 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005717 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005718 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005719 memset(packet + 6, 0x0, 8);
5720 for (i = 14; i < pkt_size; i++)
5721 packet[i] = (unsigned char) (i & 0xff);
5722
Alexander Duycke95524a2009-12-02 16:47:57 +00005723 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5724 PCI_DMA_TODEVICE);
5725 if (pci_dma_mapping_error(bp->pdev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005726 dev_kfree_skb(skb);
5727 return -EIO;
5728 }
Michael Chanb6016b72005-05-26 13:03:09 -07005729
Michael Chanbf5295b2006-03-23 01:11:56 -08005730 REG_WR(bp, BNX2_HC_COMMAND,
5731 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5732
Michael Chanb6016b72005-05-26 13:03:09 -07005733 REG_RD(bp, BNX2_HC_COMMAND);
5734
5735 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005736 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005737
Michael Chanb6016b72005-05-26 13:03:09 -07005738 num_pkts = 0;
5739
Michael Chan35e90102008-06-19 16:37:42 -07005740 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005741
5742 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5743 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5744 txbd->tx_bd_mss_nbytes = pkt_size;
5745 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5746
5747 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005748 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5749 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005750
Michael Chan35e90102008-06-19 16:37:42 -07005751 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5752 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005753
5754 udelay(100);
5755
Michael Chanbf5295b2006-03-23 01:11:56 -08005756 REG_WR(bp, BNX2_HC_COMMAND,
5757 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5758
Michael Chanb6016b72005-05-26 13:03:09 -07005759 REG_RD(bp, BNX2_HC_COMMAND);
5760
5761 udelay(5);
5762
Alexander Duycke95524a2009-12-02 16:47:57 +00005763 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005764 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005765
Michael Chan35e90102008-06-19 16:37:42 -07005766 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005767 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005768
Michael Chan35efa7c2007-12-20 19:56:37 -08005769 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005770 if (rx_idx != rx_start_idx + num_pkts) {
5771 goto loopback_test_done;
5772 }
5773
Michael Chanbb4f98a2008-06-19 16:38:19 -07005774 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005775 rx_skb = rx_buf->skb;
5776
5777 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005778 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005779
5780 pci_dma_sync_single_for_cpu(bp->pdev,
5781 pci_unmap_addr(rx_buf, mapping),
5782 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5783
Michael Chanade2bfe2006-01-23 16:09:51 -08005784 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005785 (L2_FHDR_ERRORS_BAD_CRC |
5786 L2_FHDR_ERRORS_PHY_DECODE |
5787 L2_FHDR_ERRORS_ALIGNMENT |
5788 L2_FHDR_ERRORS_TOO_SHORT |
5789 L2_FHDR_ERRORS_GIANT_FRAME)) {
5790
5791 goto loopback_test_done;
5792 }
5793
5794 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5795 goto loopback_test_done;
5796 }
5797
5798 for (i = 14; i < pkt_size; i++) {
5799 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5800 goto loopback_test_done;
5801 }
5802 }
5803
5804 ret = 0;
5805
5806loopback_test_done:
5807 bp->loopback = 0;
5808 return ret;
5809}
5810
Michael Chanbc5a0692006-01-23 16:13:22 -08005811#define BNX2_MAC_LOOPBACK_FAILED 1
5812#define BNX2_PHY_LOOPBACK_FAILED 2
5813#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5814 BNX2_PHY_LOOPBACK_FAILED)
5815
5816static int
5817bnx2_test_loopback(struct bnx2 *bp)
5818{
5819 int rc = 0;
5820
5821 if (!netif_running(bp->dev))
5822 return BNX2_LOOPBACK_FAILED;
5823
5824 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5825 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005826 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005827 spin_unlock_bh(&bp->phy_lock);
5828 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5829 rc |= BNX2_MAC_LOOPBACK_FAILED;
5830 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5831 rc |= BNX2_PHY_LOOPBACK_FAILED;
5832 return rc;
5833}
5834
Michael Chanb6016b72005-05-26 13:03:09 -07005835#define NVRAM_SIZE 0x200
5836#define CRC32_RESIDUAL 0xdebb20e3
5837
5838static int
5839bnx2_test_nvram(struct bnx2 *bp)
5840{
Al Virob491edd2007-12-22 19:44:51 +00005841 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005842 u8 *data = (u8 *) buf;
5843 int rc = 0;
5844 u32 magic, csum;
5845
5846 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5847 goto test_nvram_done;
5848
5849 magic = be32_to_cpu(buf[0]);
5850 if (magic != 0x669955aa) {
5851 rc = -ENODEV;
5852 goto test_nvram_done;
5853 }
5854
5855 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5856 goto test_nvram_done;
5857
5858 csum = ether_crc_le(0x100, data);
5859 if (csum != CRC32_RESIDUAL) {
5860 rc = -ENODEV;
5861 goto test_nvram_done;
5862 }
5863
5864 csum = ether_crc_le(0x100, data + 0x100);
5865 if (csum != CRC32_RESIDUAL) {
5866 rc = -ENODEV;
5867 }
5868
5869test_nvram_done:
5870 return rc;
5871}
5872
5873static int
5874bnx2_test_link(struct bnx2 *bp)
5875{
5876 u32 bmsr;
5877
Michael Chan9f52b562008-10-09 12:21:46 -07005878 if (!netif_running(bp->dev))
5879 return -ENODEV;
5880
Michael Chan583c28e2008-01-21 19:51:35 -08005881 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005882 if (bp->link_up)
5883 return 0;
5884 return -ENODEV;
5885 }
Michael Chanc770a652005-08-25 15:38:39 -07005886 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005887 bnx2_enable_bmsr1(bp);
5888 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5889 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5890 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005891 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005892
Michael Chanb6016b72005-05-26 13:03:09 -07005893 if (bmsr & BMSR_LSTATUS) {
5894 return 0;
5895 }
5896 return -ENODEV;
5897}
5898
5899static int
5900bnx2_test_intr(struct bnx2 *bp)
5901{
5902 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005903 u16 status_idx;
5904
5905 if (!netif_running(bp->dev))
5906 return -ENODEV;
5907
5908 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5909
5910 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005911 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005912 REG_RD(bp, BNX2_HC_COMMAND);
5913
5914 for (i = 0; i < 10; i++) {
5915 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5916 status_idx) {
5917
5918 break;
5919 }
5920
5921 msleep_interruptible(10);
5922 }
5923 if (i < 10)
5924 return 0;
5925
5926 return -ENODEV;
5927}
5928
Michael Chan38ea3682008-02-23 19:48:57 -08005929/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005930static int
5931bnx2_5706_serdes_has_link(struct bnx2 *bp)
5932{
5933 u32 mode_ctl, an_dbg, exp;
5934
Michael Chan38ea3682008-02-23 19:48:57 -08005935 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5936 return 0;
5937
Michael Chanb2fadea2008-01-21 17:07:06 -08005938 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5939 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5940
5941 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5942 return 0;
5943
5944 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5945 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5946 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5947
Michael Chanf3014c02008-01-29 21:33:03 -08005948 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005949 return 0;
5950
5951 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5952 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5953 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5954
5955 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5956 return 0;
5957
5958 return 1;
5959}
5960
Michael Chanb6016b72005-05-26 13:03:09 -07005961static void
Michael Chan48b01e22006-11-19 14:08:00 -08005962bnx2_5706_serdes_timer(struct bnx2 *bp)
5963{
Michael Chanb2fadea2008-01-21 17:07:06 -08005964 int check_link = 1;
5965
Michael Chan48b01e22006-11-19 14:08:00 -08005966 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005967 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005968 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005969 check_link = 0;
5970 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005971 u32 bmcr;
5972
Benjamin Liac392ab2008-09-18 16:40:49 -07005973 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005974
Michael Chanca58c3a2007-05-03 13:22:52 -07005975 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005976
5977 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005978 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005979 bmcr &= ~BMCR_ANENABLE;
5980 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005981 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005982 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005983 }
5984 }
5985 }
5986 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005987 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005988 u32 phy2;
5989
5990 bnx2_write_phy(bp, 0x17, 0x0f01);
5991 bnx2_read_phy(bp, 0x15, &phy2);
5992 if (phy2 & 0x20) {
5993 u32 bmcr;
5994
Michael Chanca58c3a2007-05-03 13:22:52 -07005995 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005996 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005997 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005998
Michael Chan583c28e2008-01-21 19:51:35 -08005999 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006000 }
6001 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006002 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006003
Michael Chana2724e22008-02-23 19:47:44 -08006004 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006005 u32 val;
6006
6007 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6008 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6009 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6010
Michael Chana2724e22008-02-23 19:47:44 -08006011 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6012 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6013 bnx2_5706s_force_link_dn(bp, 1);
6014 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6015 } else
6016 bnx2_set_link(bp);
6017 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6018 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006019 }
Michael Chan48b01e22006-11-19 14:08:00 -08006020 spin_unlock(&bp->phy_lock);
6021}
6022
6023static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006024bnx2_5708_serdes_timer(struct bnx2 *bp)
6025{
Michael Chan583c28e2008-01-21 19:51:35 -08006026 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006027 return;
6028
Michael Chan583c28e2008-01-21 19:51:35 -08006029 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006030 bp->serdes_an_pending = 0;
6031 return;
6032 }
6033
6034 spin_lock(&bp->phy_lock);
6035 if (bp->serdes_an_pending)
6036 bp->serdes_an_pending--;
6037 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6038 u32 bmcr;
6039
Michael Chanca58c3a2007-05-03 13:22:52 -07006040 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006041 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006042 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006043 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006044 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006045 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006046 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006047 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006048 }
6049
6050 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006051 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006052
6053 spin_unlock(&bp->phy_lock);
6054}
6055
6056static void
Michael Chanb6016b72005-05-26 13:03:09 -07006057bnx2_timer(unsigned long data)
6058{
6059 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006060
Michael Chancd339a02005-08-25 15:35:24 -07006061 if (!netif_running(bp->dev))
6062 return;
6063
Michael Chanb6016b72005-05-26 13:03:09 -07006064 if (atomic_read(&bp->intr_sem) != 0)
6065 goto bnx2_restart_timer;
6066
Michael Chanefba0182008-12-03 00:36:15 -08006067 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6068 BNX2_FLAG_USING_MSI)
6069 bnx2_chk_missed_msi(bp);
6070
Michael Chandf149d72007-07-07 22:51:36 -07006071 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006072
Michael Chan2726d6e2008-01-29 21:35:05 -08006073 bp->stats_blk->stat_FwRxDrop =
6074 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006075
Michael Chan02537b062007-06-04 21:24:07 -07006076 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006077 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006078 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6079 BNX2_HC_COMMAND_STATS_NOW);
6080
Michael Chan583c28e2008-01-21 19:51:35 -08006081 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006082 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6083 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006084 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006085 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006086 }
6087
6088bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006089 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006090}
6091
Michael Chan8e6a72c2007-05-03 13:24:48 -07006092static int
6093bnx2_request_irq(struct bnx2 *bp)
6094{
Michael Chan6d866ff2007-12-20 19:56:09 -08006095 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006096 struct bnx2_irq *irq;
6097 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006098
David S. Millerf86e82f2008-01-21 17:15:40 -08006099 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006100 flags = 0;
6101 else
6102 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006103
6104 for (i = 0; i < bp->irq_nvecs; i++) {
6105 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006106 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006107 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006108 if (rc)
6109 break;
6110 irq->requested = 1;
6111 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006112 return rc;
6113}
6114
6115static void
6116bnx2_free_irq(struct bnx2 *bp)
6117{
Michael Chanb4b36042007-12-20 19:59:30 -08006118 struct bnx2_irq *irq;
6119 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006120
Michael Chanb4b36042007-12-20 19:59:30 -08006121 for (i = 0; i < bp->irq_nvecs; i++) {
6122 irq = &bp->irq_tbl[i];
6123 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006124 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006125 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006126 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006127 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006128 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006129 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006130 pci_disable_msix(bp->pdev);
6131
David S. Millerf86e82f2008-01-21 17:15:40 -08006132 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006133}
6134
6135static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006136bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006137{
Michael Chan57851d82007-12-20 20:01:44 -08006138 int i, rc;
6139 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006140 struct net_device *dev = bp->dev;
6141 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006142
Michael Chanb4b36042007-12-20 19:59:30 -08006143 bnx2_setup_msix_tbl(bp);
6144 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6145 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6146 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006147
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006148 /* Need to flush the previous three writes to ensure MSI-X
6149 * is setup properly */
6150 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6151
Michael Chan57851d82007-12-20 20:01:44 -08006152 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6153 msix_ent[i].entry = i;
6154 msix_ent[i].vector = 0;
6155 }
6156
6157 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6158 if (rc != 0)
6159 return;
6160
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006161 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006162 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006163 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006164 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006165 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6166 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6167 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006168}
6169
6170static void
6171bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6172{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006173 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006174 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006175
Michael Chan6d866ff2007-12-20 19:56:09 -08006176 bp->irq_tbl[0].handler = bnx2_interrupt;
6177 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006178 bp->irq_nvecs = 1;
6179 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006180
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006181 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6182 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006183
David S. Millerf86e82f2008-01-21 17:15:40 -08006184 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6185 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006186 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006187 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006188 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006189 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006190 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6191 } else
6192 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006193
6194 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006195 }
6196 }
Benjamin Li706bf242008-07-18 17:55:11 -07006197
6198 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6199 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6200
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006201 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006202}
6203
Michael Chanb6016b72005-05-26 13:03:09 -07006204/* Called with rtnl_lock */
6205static int
6206bnx2_open(struct net_device *dev)
6207{
Michael Chan972ec0d2006-01-23 16:12:43 -08006208 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006209 int rc;
6210
Michael Chan1b2f9222007-05-03 13:20:19 -07006211 netif_carrier_off(dev);
6212
Pavel Machek829ca9a2005-09-03 15:56:56 -07006213 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006214 bnx2_disable_int(bp);
6215
Michael Chan6d866ff2007-12-20 19:56:09 -08006216 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08006217 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006218 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006219 if (rc)
6220 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006221
Michael Chan8e6a72c2007-05-03 13:24:48 -07006222 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006223 if (rc)
6224 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006225
Michael Chan9a120bc2008-05-16 22:17:45 -07006226 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006227 if (rc)
6228 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006229
Michael Chancd339a02005-08-25 15:35:24 -07006230 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006231
6232 atomic_set(&bp->intr_sem, 0);
6233
6234 bnx2_enable_int(bp);
6235
David S. Millerf86e82f2008-01-21 17:15:40 -08006236 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006237 /* Test MSI to make sure it is working
6238 * If MSI test fails, go back to INTx mode
6239 */
6240 if (bnx2_test_intr(bp) != 0) {
6241 printk(KERN_WARNING PFX "%s: No interrupt was generated"
6242 " using MSI, switching to INTx mode. Please"
6243 " report this failure to the PCI maintainer"
6244 " and include system chipset information.\n",
6245 bp->dev->name);
6246
6247 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006248 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006249
Michael Chan6d866ff2007-12-20 19:56:09 -08006250 bnx2_setup_int_mode(bp, 1);
6251
Michael Chan9a120bc2008-05-16 22:17:45 -07006252 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006253
Michael Chan8e6a72c2007-05-03 13:24:48 -07006254 if (!rc)
6255 rc = bnx2_request_irq(bp);
6256
Michael Chanb6016b72005-05-26 13:03:09 -07006257 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006258 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006259 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006260 }
6261 bnx2_enable_int(bp);
6262 }
6263 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006264 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07006265 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08006266 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08006267 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07006268
Benjamin Li706bf242008-07-18 17:55:11 -07006269 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006270
6271 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006272
6273open_err:
6274 bnx2_napi_disable(bp);
6275 bnx2_free_skbs(bp);
6276 bnx2_free_irq(bp);
6277 bnx2_free_mem(bp);
6278 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006279}
6280
6281static void
David Howellsc4028952006-11-22 14:57:56 +00006282bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006283{
David Howellsc4028952006-11-22 14:57:56 +00006284 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006285
Michael Chan51bf6bb2009-12-03 09:46:31 +00006286 rtnl_lock();
6287 if (!netif_running(bp->dev)) {
6288 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006289 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006290 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006291
Michael Chanb6016b72005-05-26 13:03:09 -07006292 bnx2_netif_stop(bp);
6293
Michael Chan9a120bc2008-05-16 22:17:45 -07006294 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006295
6296 atomic_set(&bp->intr_sem, 1);
6297 bnx2_netif_start(bp);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006298 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006299}
6300
6301static void
Michael Chan20175c52009-12-03 09:46:32 +00006302bnx2_dump_state(struct bnx2 *bp)
6303{
6304 struct net_device *dev = bp->dev;
6305
6306 printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name,
6307 atomic_read(&bp->intr_sem));
6308 printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] "
6309 "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name,
6310 REG_RD(bp, BNX2_EMAC_TX_STATUS),
6311 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6312 printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
6313 dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
6314 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
6315 printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6316 dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
6317 if (bp->flags & BNX2_FLAG_USING_MSIX)
6318 printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name,
6319 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
6320}
6321
6322static void
Michael Chanb6016b72005-05-26 13:03:09 -07006323bnx2_tx_timeout(struct net_device *dev)
6324{
Michael Chan972ec0d2006-01-23 16:12:43 -08006325 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006326
Michael Chan20175c52009-12-03 09:46:32 +00006327 bnx2_dump_state(bp);
6328
Michael Chanb6016b72005-05-26 13:03:09 -07006329 /* This allows the netif to be shutdown gracefully before resetting */
6330 schedule_work(&bp->reset_task);
6331}
6332
6333#ifdef BCM_VLAN
6334/* Called with rtnl_lock */
6335static void
6336bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6337{
Michael Chan972ec0d2006-01-23 16:12:43 -08006338 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006339
Michael Chan37675462009-08-21 16:20:44 +00006340 if (netif_running(dev))
6341 bnx2_netif_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006342
6343 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006344
6345 if (!netif_running(dev))
6346 return;
6347
Michael Chanb6016b72005-05-26 13:03:09 -07006348 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006349 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6350 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006351
6352 bnx2_netif_start(bp);
6353}
Michael Chanb6016b72005-05-26 13:03:09 -07006354#endif
6355
Herbert Xu932ff272006-06-09 12:20:56 -07006356/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006357 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6358 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006359 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006360static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006361bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6362{
Michael Chan972ec0d2006-01-23 16:12:43 -08006363 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006364 dma_addr_t mapping;
6365 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006366 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006367 u32 len, vlan_tag_flags, last_frag, mss;
6368 u16 prod, ring_prod;
6369 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006370 struct bnx2_napi *bnapi;
6371 struct bnx2_tx_ring_info *txr;
6372 struct netdev_queue *txq;
6373
6374 /* Determine which tx ring we will be placed on */
6375 i = skb_get_queue_mapping(skb);
6376 bnapi = &bp->bnx2_napi[i];
6377 txr = &bnapi->tx_ring;
6378 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006379
Michael Chan35e90102008-06-19 16:37:42 -07006380 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006381 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006382 netif_tx_stop_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006383 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6384 dev->name);
6385
6386 return NETDEV_TX_BUSY;
6387 }
6388 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006389 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006390 ring_prod = TX_RING_IDX(prod);
6391
6392 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006393 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006394 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6395 }
6396
Michael Chan729b85c2008-08-14 15:29:39 -07006397#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006398 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006399 vlan_tag_flags |=
6400 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6401 }
Michael Chan729b85c2008-08-14 15:29:39 -07006402#endif
Michael Chanfde82052007-05-03 17:23:35 -07006403 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006404 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006405 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006406
Michael Chanb6016b72005-05-26 13:03:09 -07006407 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6408
Michael Chan4666f872007-05-03 13:22:28 -07006409 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006410
Michael Chan4666f872007-05-03 13:22:28 -07006411 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6412 u32 tcp_off = skb_transport_offset(skb) -
6413 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006414
Michael Chan4666f872007-05-03 13:22:28 -07006415 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6416 TX_BD_FLAGS_SW_FLAGS;
6417 if (likely(tcp_off == 0))
6418 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6419 else {
6420 tcp_off >>= 3;
6421 vlan_tag_flags |= ((tcp_off & 0x3) <<
6422 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6423 ((tcp_off & 0x10) <<
6424 TX_BD_FLAGS_TCP6_OFF4_SHL);
6425 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6426 }
6427 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006428 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006429 if (tcp_opt_len || (iph->ihl > 5)) {
6430 vlan_tag_flags |= ((iph->ihl - 5) +
6431 (tcp_opt_len >> 2)) << 8;
6432 }
Michael Chanb6016b72005-05-26 13:03:09 -07006433 }
Michael Chan4666f872007-05-03 13:22:28 -07006434 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006435 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006436
Alexander Duycke95524a2009-12-02 16:47:57 +00006437 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6438 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006439 dev_kfree_skb(skb);
6440 return NETDEV_TX_OK;
6441 }
6442
Michael Chan35e90102008-06-19 16:37:42 -07006443 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006444 tx_buf->skb = skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00006445 pci_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006446
Michael Chan35e90102008-06-19 16:37:42 -07006447 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006448
6449 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6450 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6451 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6452 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6453
6454 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006455 tx_buf->nr_frags = last_frag;
6456 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006457
6458 for (i = 0; i < last_frag; i++) {
6459 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6460
6461 prod = NEXT_TX_BD(prod);
6462 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006463 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006464
6465 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006466 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6467 len, PCI_DMA_TODEVICE);
6468 if (pci_dma_mapping_error(bp->pdev, mapping))
6469 goto dma_error;
6470 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
6471 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006472
6473 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6474 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6475 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6476 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6477
6478 }
6479 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6480
6481 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006482 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006483
Michael Chan35e90102008-06-19 16:37:42 -07006484 REG_WR16(bp, txr->tx_bidx_addr, prod);
6485 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006486
6487 mmiowb();
6488
Michael Chan35e90102008-06-19 16:37:42 -07006489 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006490
Michael Chan35e90102008-06-19 16:37:42 -07006491 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006492 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006493 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006494 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006495 }
6496
6497 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006498dma_error:
6499 /* save value of frag that failed */
6500 last_frag = i;
6501
6502 /* start back at beginning and unmap skb */
6503 prod = txr->tx_prod;
6504 ring_prod = TX_RING_IDX(prod);
6505 tx_buf = &txr->tx_buf_ring[ring_prod];
6506 tx_buf->skb = NULL;
6507 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6508 skb_headlen(skb), PCI_DMA_TODEVICE);
6509
6510 /* unmap remaining mapped pages */
6511 for (i = 0; i < last_frag; i++) {
6512 prod = NEXT_TX_BD(prod);
6513 ring_prod = TX_RING_IDX(prod);
6514 tx_buf = &txr->tx_buf_ring[ring_prod];
6515 pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6516 skb_shinfo(skb)->frags[i].size,
6517 PCI_DMA_TODEVICE);
6518 }
6519
6520 dev_kfree_skb(skb);
6521 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006522}
6523
6524/* Called with rtnl_lock */
6525static int
6526bnx2_close(struct net_device *dev)
6527{
Michael Chan972ec0d2006-01-23 16:12:43 -08006528 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006529
David S. Miller4bb073c2008-06-12 02:22:02 -07006530 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006531
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006532 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006533 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006534 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006535 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006536 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006537 bnx2_free_skbs(bp);
6538 bnx2_free_mem(bp);
6539 bp->link_up = 0;
6540 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006541 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006542 return 0;
6543}
6544
6545#define GET_NET_STATS64(ctr) \
6546 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6547 (unsigned long) (ctr##_lo)
6548
6549#define GET_NET_STATS32(ctr) \
6550 (ctr##_lo)
6551
6552#if (BITS_PER_LONG == 64)
6553#define GET_NET_STATS GET_NET_STATS64
6554#else
6555#define GET_NET_STATS GET_NET_STATS32
6556#endif
6557
6558static struct net_device_stats *
6559bnx2_get_stats(struct net_device *dev)
6560{
Michael Chan972ec0d2006-01-23 16:12:43 -08006561 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006562 struct statistics_block *stats_blk = bp->stats_blk;
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006563 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006564
6565 if (bp->stats_blk == NULL) {
6566 return net_stats;
6567 }
6568 net_stats->rx_packets =
6569 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6570 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6571 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6572
6573 net_stats->tx_packets =
6574 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6575 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6576 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6577
6578 net_stats->rx_bytes =
6579 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6580
6581 net_stats->tx_bytes =
6582 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6583
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006584 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07006585 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6586
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006587 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07006588 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6589
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006590 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006591 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6592 stats_blk->stat_EtherStatsOverrsizePkts);
6593
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006594 net_stats->rx_over_errors =
Michael Chan790dab22009-08-21 16:20:47 +00006595 (unsigned long) (stats_blk->stat_IfInFTQDiscards +
6596 stats_blk->stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006597
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006598 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006599 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6600
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006601 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006602 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6603
6604 net_stats->rx_errors = net_stats->rx_length_errors +
6605 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6606 net_stats->rx_crc_errors;
6607
6608 net_stats->tx_aborted_errors =
6609 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6610 stats_blk->stat_Dot3StatsLateCollisions);
6611
Michael Chan5b0c76a2005-11-04 08:45:49 -08006612 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6613 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006614 net_stats->tx_carrier_errors = 0;
6615 else {
6616 net_stats->tx_carrier_errors =
6617 (unsigned long)
6618 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6619 }
6620
6621 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006622 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006623 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6624 +
6625 net_stats->tx_aborted_errors +
6626 net_stats->tx_carrier_errors;
6627
Michael Chancea94db2006-06-12 22:16:13 -07006628 net_stats->rx_missed_errors =
Michael Chan790dab22009-08-21 16:20:47 +00006629 (unsigned long) (stats_blk->stat_IfInFTQDiscards +
6630 stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006631
Michael Chanb6016b72005-05-26 13:03:09 -07006632 return net_stats;
6633}
6634
6635/* All ethtool functions called with rtnl_lock */
6636
6637static int
6638bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6639{
Michael Chan972ec0d2006-01-23 16:12:43 -08006640 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006641 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006642
6643 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006644 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006645 support_serdes = 1;
6646 support_copper = 1;
6647 } else if (bp->phy_port == PORT_FIBRE)
6648 support_serdes = 1;
6649 else
6650 support_copper = 1;
6651
6652 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006653 cmd->supported |= SUPPORTED_1000baseT_Full |
6654 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006655 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006656 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006657
Michael Chanb6016b72005-05-26 13:03:09 -07006658 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006659 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006660 cmd->supported |= SUPPORTED_10baseT_Half |
6661 SUPPORTED_10baseT_Full |
6662 SUPPORTED_100baseT_Half |
6663 SUPPORTED_100baseT_Full |
6664 SUPPORTED_1000baseT_Full |
6665 SUPPORTED_TP;
6666
Michael Chanb6016b72005-05-26 13:03:09 -07006667 }
6668
Michael Chan7b6b8342007-07-07 22:50:15 -07006669 spin_lock_bh(&bp->phy_lock);
6670 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006671 cmd->advertising = bp->advertising;
6672
6673 if (bp->autoneg & AUTONEG_SPEED) {
6674 cmd->autoneg = AUTONEG_ENABLE;
6675 }
6676 else {
6677 cmd->autoneg = AUTONEG_DISABLE;
6678 }
6679
6680 if (netif_carrier_ok(dev)) {
6681 cmd->speed = bp->line_speed;
6682 cmd->duplex = bp->duplex;
6683 }
6684 else {
6685 cmd->speed = -1;
6686 cmd->duplex = -1;
6687 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006688 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006689
6690 cmd->transceiver = XCVR_INTERNAL;
6691 cmd->phy_address = bp->phy_addr;
6692
6693 return 0;
6694}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006695
Michael Chanb6016b72005-05-26 13:03:09 -07006696static int
6697bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6698{
Michael Chan972ec0d2006-01-23 16:12:43 -08006699 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006700 u8 autoneg = bp->autoneg;
6701 u8 req_duplex = bp->req_duplex;
6702 u16 req_line_speed = bp->req_line_speed;
6703 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006704 int err = -EINVAL;
6705
6706 spin_lock_bh(&bp->phy_lock);
6707
6708 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6709 goto err_out_unlock;
6710
Michael Chan583c28e2008-01-21 19:51:35 -08006711 if (cmd->port != bp->phy_port &&
6712 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006713 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006714
Michael Chand6b14482008-07-14 22:37:21 -07006715 /* If device is down, we can store the settings only if the user
6716 * is setting the currently active port.
6717 */
6718 if (!netif_running(dev) && cmd->port != bp->phy_port)
6719 goto err_out_unlock;
6720
Michael Chanb6016b72005-05-26 13:03:09 -07006721 if (cmd->autoneg == AUTONEG_ENABLE) {
6722 autoneg |= AUTONEG_SPEED;
6723
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006724 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006725
6726 /* allow advertising 1 speed */
6727 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6728 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6729 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6730 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6731
Michael Chan7b6b8342007-07-07 22:50:15 -07006732 if (cmd->port == PORT_FIBRE)
6733 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006734
6735 advertising = cmd->advertising;
6736
Michael Chan27a005b2007-05-03 13:23:41 -07006737 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006738 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006739 (cmd->port == PORT_TP))
6740 goto err_out_unlock;
6741 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006742 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006743 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6744 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006745 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006746 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006747 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006748 else
Michael Chanb6016b72005-05-26 13:03:09 -07006749 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006750 }
6751 advertising |= ADVERTISED_Autoneg;
6752 }
6753 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006754 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006755 if ((cmd->speed != SPEED_1000 &&
6756 cmd->speed != SPEED_2500) ||
6757 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006758 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006759
6760 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006761 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006762 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006763 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006764 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6765 goto err_out_unlock;
6766
Michael Chanb6016b72005-05-26 13:03:09 -07006767 autoneg &= ~AUTONEG_SPEED;
6768 req_line_speed = cmd->speed;
6769 req_duplex = cmd->duplex;
6770 advertising = 0;
6771 }
6772
6773 bp->autoneg = autoneg;
6774 bp->advertising = advertising;
6775 bp->req_line_speed = req_line_speed;
6776 bp->req_duplex = req_duplex;
6777
Michael Chand6b14482008-07-14 22:37:21 -07006778 err = 0;
6779 /* If device is down, the new settings will be picked up when it is
6780 * brought up.
6781 */
6782 if (netif_running(dev))
6783 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006784
Michael Chan7b6b8342007-07-07 22:50:15 -07006785err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006786 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006787
Michael Chan7b6b8342007-07-07 22:50:15 -07006788 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006789}
6790
6791static void
6792bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6793{
Michael Chan972ec0d2006-01-23 16:12:43 -08006794 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006795
6796 strcpy(info->driver, DRV_MODULE_NAME);
6797 strcpy(info->version, DRV_MODULE_VERSION);
6798 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006799 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006800}
6801
Michael Chan244ac4f2006-03-20 17:48:46 -08006802#define BNX2_REGDUMP_LEN (32 * 1024)
6803
6804static int
6805bnx2_get_regs_len(struct net_device *dev)
6806{
6807 return BNX2_REGDUMP_LEN;
6808}
6809
6810static void
6811bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6812{
6813 u32 *p = _p, i, offset;
6814 u8 *orig_p = _p;
6815 struct bnx2 *bp = netdev_priv(dev);
6816 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6817 0x0800, 0x0880, 0x0c00, 0x0c10,
6818 0x0c30, 0x0d08, 0x1000, 0x101c,
6819 0x1040, 0x1048, 0x1080, 0x10a4,
6820 0x1400, 0x1490, 0x1498, 0x14f0,
6821 0x1500, 0x155c, 0x1580, 0x15dc,
6822 0x1600, 0x1658, 0x1680, 0x16d8,
6823 0x1800, 0x1820, 0x1840, 0x1854,
6824 0x1880, 0x1894, 0x1900, 0x1984,
6825 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6826 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6827 0x2000, 0x2030, 0x23c0, 0x2400,
6828 0x2800, 0x2820, 0x2830, 0x2850,
6829 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6830 0x3c00, 0x3c94, 0x4000, 0x4010,
6831 0x4080, 0x4090, 0x43c0, 0x4458,
6832 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6833 0x4fc0, 0x5010, 0x53c0, 0x5444,
6834 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6835 0x5fc0, 0x6000, 0x6400, 0x6428,
6836 0x6800, 0x6848, 0x684c, 0x6860,
6837 0x6888, 0x6910, 0x8000 };
6838
6839 regs->version = 0;
6840
6841 memset(p, 0, BNX2_REGDUMP_LEN);
6842
6843 if (!netif_running(bp->dev))
6844 return;
6845
6846 i = 0;
6847 offset = reg_boundaries[0];
6848 p += offset;
6849 while (offset < BNX2_REGDUMP_LEN) {
6850 *p++ = REG_RD(bp, offset);
6851 offset += 4;
6852 if (offset == reg_boundaries[i + 1]) {
6853 offset = reg_boundaries[i + 2];
6854 p = (u32 *) (orig_p + offset);
6855 i += 2;
6856 }
6857 }
6858}
6859
Michael Chanb6016b72005-05-26 13:03:09 -07006860static void
6861bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6862{
Michael Chan972ec0d2006-01-23 16:12:43 -08006863 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006864
David S. Millerf86e82f2008-01-21 17:15:40 -08006865 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006866 wol->supported = 0;
6867 wol->wolopts = 0;
6868 }
6869 else {
6870 wol->supported = WAKE_MAGIC;
6871 if (bp->wol)
6872 wol->wolopts = WAKE_MAGIC;
6873 else
6874 wol->wolopts = 0;
6875 }
6876 memset(&wol->sopass, 0, sizeof(wol->sopass));
6877}
6878
6879static int
6880bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6881{
Michael Chan972ec0d2006-01-23 16:12:43 -08006882 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006883
6884 if (wol->wolopts & ~WAKE_MAGIC)
6885 return -EINVAL;
6886
6887 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006888 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006889 return -EINVAL;
6890
6891 bp->wol = 1;
6892 }
6893 else {
6894 bp->wol = 0;
6895 }
6896 return 0;
6897}
6898
6899static int
6900bnx2_nway_reset(struct net_device *dev)
6901{
Michael Chan972ec0d2006-01-23 16:12:43 -08006902 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006903 u32 bmcr;
6904
Michael Chan9f52b562008-10-09 12:21:46 -07006905 if (!netif_running(dev))
6906 return -EAGAIN;
6907
Michael Chanb6016b72005-05-26 13:03:09 -07006908 if (!(bp->autoneg & AUTONEG_SPEED)) {
6909 return -EINVAL;
6910 }
6911
Michael Chanc770a652005-08-25 15:38:39 -07006912 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006913
Michael Chan583c28e2008-01-21 19:51:35 -08006914 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006915 int rc;
6916
6917 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6918 spin_unlock_bh(&bp->phy_lock);
6919 return rc;
6920 }
6921
Michael Chanb6016b72005-05-26 13:03:09 -07006922 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006923 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006924 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006925 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006926
6927 msleep(20);
6928
Michael Chanc770a652005-08-25 15:38:39 -07006929 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006930
Michael Chan40105c02008-11-12 16:02:45 -08006931 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006932 bp->serdes_an_pending = 1;
6933 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006934 }
6935
Michael Chanca58c3a2007-05-03 13:22:52 -07006936 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006937 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006938 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006939
Michael Chanc770a652005-08-25 15:38:39 -07006940 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006941
6942 return 0;
6943}
6944
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006945static u32
6946bnx2_get_link(struct net_device *dev)
6947{
6948 struct bnx2 *bp = netdev_priv(dev);
6949
6950 return bp->link_up;
6951}
6952
Michael Chanb6016b72005-05-26 13:03:09 -07006953static int
6954bnx2_get_eeprom_len(struct net_device *dev)
6955{
Michael Chan972ec0d2006-01-23 16:12:43 -08006956 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006957
Michael Chan1122db72006-01-23 16:11:42 -08006958 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006959 return 0;
6960
Michael Chan1122db72006-01-23 16:11:42 -08006961 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006962}
6963
6964static int
6965bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6966 u8 *eebuf)
6967{
Michael Chan972ec0d2006-01-23 16:12:43 -08006968 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006969 int rc;
6970
Michael Chan9f52b562008-10-09 12:21:46 -07006971 if (!netif_running(dev))
6972 return -EAGAIN;
6973
John W. Linville1064e942005-11-10 12:58:24 -08006974 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006975
6976 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6977
6978 return rc;
6979}
6980
6981static int
6982bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6983 u8 *eebuf)
6984{
Michael Chan972ec0d2006-01-23 16:12:43 -08006985 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006986 int rc;
6987
Michael Chan9f52b562008-10-09 12:21:46 -07006988 if (!netif_running(dev))
6989 return -EAGAIN;
6990
John W. Linville1064e942005-11-10 12:58:24 -08006991 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006992
6993 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6994
6995 return rc;
6996}
6997
6998static int
6999bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7000{
Michael Chan972ec0d2006-01-23 16:12:43 -08007001 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007002
7003 memset(coal, 0, sizeof(struct ethtool_coalesce));
7004
7005 coal->rx_coalesce_usecs = bp->rx_ticks;
7006 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7007 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7008 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7009
7010 coal->tx_coalesce_usecs = bp->tx_ticks;
7011 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7012 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7013 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7014
7015 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7016
7017 return 0;
7018}
7019
7020static int
7021bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7022{
Michael Chan972ec0d2006-01-23 16:12:43 -08007023 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007024
7025 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7026 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7027
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007028 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007029 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7030
7031 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7032 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7033
7034 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7035 if (bp->rx_quick_cons_trip_int > 0xff)
7036 bp->rx_quick_cons_trip_int = 0xff;
7037
7038 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7039 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7040
7041 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7042 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7043
7044 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7045 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7046
7047 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7048 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7049 0xff;
7050
7051 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007052 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007053 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7054 bp->stats_ticks = USEC_PER_SEC;
7055 }
Michael Chan7ea69202007-07-16 18:27:10 -07007056 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7057 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7058 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007059
7060 if (netif_running(bp->dev)) {
7061 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07007062 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007063 bnx2_netif_start(bp);
7064 }
7065
7066 return 0;
7067}
7068
7069static void
7070bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7071{
Michael Chan972ec0d2006-01-23 16:12:43 -08007072 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007073
Michael Chan13daffa2006-03-20 17:49:20 -08007074 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007075 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007076 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007077
7078 ering->rx_pending = bp->rx_ring_size;
7079 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007080 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007081
7082 ering->tx_max_pending = MAX_TX_DESC_CNT;
7083 ering->tx_pending = bp->tx_ring_size;
7084}
7085
7086static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007087bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007088{
Michael Chan13daffa2006-03-20 17:49:20 -08007089 if (netif_running(bp->dev)) {
7090 bnx2_netif_stop(bp);
7091 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7092 bnx2_free_skbs(bp);
7093 bnx2_free_mem(bp);
7094 }
7095
Michael Chan5d5d0012007-12-12 11:17:43 -08007096 bnx2_set_rx_ring_size(bp, rx);
7097 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007098
7099 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007100 int rc;
7101
7102 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb65e2009-08-21 16:20:45 +00007103 if (!rc)
7104 rc = bnx2_init_nic(bp, 0);
7105
7106 if (rc) {
7107 bnx2_napi_enable(bp);
7108 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007109 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007110 }
Michael Chanb6016b72005-05-26 13:03:09 -07007111 bnx2_netif_start(bp);
7112 }
Michael Chanb6016b72005-05-26 13:03:09 -07007113 return 0;
7114}
7115
Michael Chan5d5d0012007-12-12 11:17:43 -08007116static int
7117bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7118{
7119 struct bnx2 *bp = netdev_priv(dev);
7120 int rc;
7121
7122 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7123 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7124 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7125
7126 return -EINVAL;
7127 }
7128 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7129 return rc;
7130}
7131
Michael Chanb6016b72005-05-26 13:03:09 -07007132static void
7133bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7134{
Michael Chan972ec0d2006-01-23 16:12:43 -08007135 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007136
7137 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7138 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7139 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7140}
7141
7142static int
7143bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7144{
Michael Chan972ec0d2006-01-23 16:12:43 -08007145 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007146
7147 bp->req_flow_ctrl = 0;
7148 if (epause->rx_pause)
7149 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7150 if (epause->tx_pause)
7151 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7152
7153 if (epause->autoneg) {
7154 bp->autoneg |= AUTONEG_FLOW_CTRL;
7155 }
7156 else {
7157 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7158 }
7159
Michael Chan9f52b562008-10-09 12:21:46 -07007160 if (netif_running(dev)) {
7161 spin_lock_bh(&bp->phy_lock);
7162 bnx2_setup_phy(bp, bp->phy_port);
7163 spin_unlock_bh(&bp->phy_lock);
7164 }
Michael Chanb6016b72005-05-26 13:03:09 -07007165
7166 return 0;
7167}
7168
7169static u32
7170bnx2_get_rx_csum(struct net_device *dev)
7171{
Michael Chan972ec0d2006-01-23 16:12:43 -08007172 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007173
7174 return bp->rx_csum;
7175}
7176
7177static int
7178bnx2_set_rx_csum(struct net_device *dev, u32 data)
7179{
Michael Chan972ec0d2006-01-23 16:12:43 -08007180 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007181
7182 bp->rx_csum = data;
7183 return 0;
7184}
7185
Michael Chanb11d6212006-06-29 12:31:21 -07007186static int
7187bnx2_set_tso(struct net_device *dev, u32 data)
7188{
Michael Chan4666f872007-05-03 13:22:28 -07007189 struct bnx2 *bp = netdev_priv(dev);
7190
7191 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007192 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007193 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7194 dev->features |= NETIF_F_TSO6;
7195 } else
7196 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7197 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007198 return 0;
7199}
7200
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007201static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007202 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007203} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007204 { "rx_bytes" },
7205 { "rx_error_bytes" },
7206 { "tx_bytes" },
7207 { "tx_error_bytes" },
7208 { "rx_ucast_packets" },
7209 { "rx_mcast_packets" },
7210 { "rx_bcast_packets" },
7211 { "tx_ucast_packets" },
7212 { "tx_mcast_packets" },
7213 { "tx_bcast_packets" },
7214 { "tx_mac_errors" },
7215 { "tx_carrier_errors" },
7216 { "rx_crc_errors" },
7217 { "rx_align_errors" },
7218 { "tx_single_collisions" },
7219 { "tx_multi_collisions" },
7220 { "tx_deferred" },
7221 { "tx_excess_collisions" },
7222 { "tx_late_collisions" },
7223 { "tx_total_collisions" },
7224 { "rx_fragments" },
7225 { "rx_jabbers" },
7226 { "rx_undersize_packets" },
7227 { "rx_oversize_packets" },
7228 { "rx_64_byte_packets" },
7229 { "rx_65_to_127_byte_packets" },
7230 { "rx_128_to_255_byte_packets" },
7231 { "rx_256_to_511_byte_packets" },
7232 { "rx_512_to_1023_byte_packets" },
7233 { "rx_1024_to_1522_byte_packets" },
7234 { "rx_1523_to_9022_byte_packets" },
7235 { "tx_64_byte_packets" },
7236 { "tx_65_to_127_byte_packets" },
7237 { "tx_128_to_255_byte_packets" },
7238 { "tx_256_to_511_byte_packets" },
7239 { "tx_512_to_1023_byte_packets" },
7240 { "tx_1024_to_1522_byte_packets" },
7241 { "tx_1523_to_9022_byte_packets" },
7242 { "rx_xon_frames" },
7243 { "rx_xoff_frames" },
7244 { "tx_xon_frames" },
7245 { "tx_xoff_frames" },
7246 { "rx_mac_ctrl_frames" },
7247 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007248 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007249 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007250 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007251};
7252
Michael Chan790dab22009-08-21 16:20:47 +00007253#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7254 sizeof(bnx2_stats_str_arr[0]))
7255
Michael Chanb6016b72005-05-26 13:03:09 -07007256#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7257
Arjan van de Venf71e1302006-03-03 21:33:57 -05007258static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007259 STATS_OFFSET32(stat_IfHCInOctets_hi),
7260 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7261 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7262 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7263 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7264 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7265 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7266 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7267 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7268 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7269 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007270 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7271 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7272 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7273 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7274 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7275 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7276 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7277 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7278 STATS_OFFSET32(stat_EtherStatsCollisions),
7279 STATS_OFFSET32(stat_EtherStatsFragments),
7280 STATS_OFFSET32(stat_EtherStatsJabbers),
7281 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7282 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7283 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7284 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7285 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7286 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7287 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7288 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7289 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7290 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7291 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7292 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7293 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7294 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7295 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7296 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7297 STATS_OFFSET32(stat_XonPauseFramesReceived),
7298 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7299 STATS_OFFSET32(stat_OutXonSent),
7300 STATS_OFFSET32(stat_OutXoffSent),
7301 STATS_OFFSET32(stat_MacControlFramesReceived),
7302 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007303 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007304 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007305 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007306};
7307
7308/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7309 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007310 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007311static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007312 8,0,8,8,8,8,8,8,8,8,
7313 4,0,4,4,4,4,4,4,4,4,
7314 4,4,4,4,4,4,4,4,4,4,
7315 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007316 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007317};
7318
Michael Chan5b0c76a2005-11-04 08:45:49 -08007319static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7320 8,0,8,8,8,8,8,8,8,8,
7321 4,4,4,4,4,4,4,4,4,4,
7322 4,4,4,4,4,4,4,4,4,4,
7323 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007324 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007325};
7326
Michael Chanb6016b72005-05-26 13:03:09 -07007327#define BNX2_NUM_TESTS 6
7328
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007329static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007330 char string[ETH_GSTRING_LEN];
7331} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7332 { "register_test (offline)" },
7333 { "memory_test (offline)" },
7334 { "loopback_test (offline)" },
7335 { "nvram_test (online)" },
7336 { "interrupt_test (online)" },
7337 { "link_test (online)" },
7338};
7339
7340static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007341bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007342{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007343 switch (sset) {
7344 case ETH_SS_TEST:
7345 return BNX2_NUM_TESTS;
7346 case ETH_SS_STATS:
7347 return BNX2_NUM_STATS;
7348 default:
7349 return -EOPNOTSUPP;
7350 }
Michael Chanb6016b72005-05-26 13:03:09 -07007351}
7352
7353static void
7354bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7355{
Michael Chan972ec0d2006-01-23 16:12:43 -08007356 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007357
Michael Chan9f52b562008-10-09 12:21:46 -07007358 bnx2_set_power_state(bp, PCI_D0);
7359
Michael Chanb6016b72005-05-26 13:03:09 -07007360 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7361 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007362 int i;
7363
Michael Chanb6016b72005-05-26 13:03:09 -07007364 bnx2_netif_stop(bp);
7365 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7366 bnx2_free_skbs(bp);
7367
7368 if (bnx2_test_registers(bp) != 0) {
7369 buf[0] = 1;
7370 etest->flags |= ETH_TEST_FL_FAILED;
7371 }
7372 if (bnx2_test_memory(bp) != 0) {
7373 buf[1] = 1;
7374 etest->flags |= ETH_TEST_FL_FAILED;
7375 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007376 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007377 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007378
Michael Chan9f52b562008-10-09 12:21:46 -07007379 if (!netif_running(bp->dev))
7380 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007381 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007382 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007383 bnx2_netif_start(bp);
7384 }
7385
7386 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007387 for (i = 0; i < 7; i++) {
7388 if (bp->link_up)
7389 break;
7390 msleep_interruptible(1000);
7391 }
Michael Chanb6016b72005-05-26 13:03:09 -07007392 }
7393
7394 if (bnx2_test_nvram(bp) != 0) {
7395 buf[3] = 1;
7396 etest->flags |= ETH_TEST_FL_FAILED;
7397 }
7398 if (bnx2_test_intr(bp) != 0) {
7399 buf[4] = 1;
7400 etest->flags |= ETH_TEST_FL_FAILED;
7401 }
7402
7403 if (bnx2_test_link(bp) != 0) {
7404 buf[5] = 1;
7405 etest->flags |= ETH_TEST_FL_FAILED;
7406
7407 }
Michael Chan9f52b562008-10-09 12:21:46 -07007408 if (!netif_running(bp->dev))
7409 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007410}
7411
7412static void
7413bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7414{
7415 switch (stringset) {
7416 case ETH_SS_STATS:
7417 memcpy(buf, bnx2_stats_str_arr,
7418 sizeof(bnx2_stats_str_arr));
7419 break;
7420 case ETH_SS_TEST:
7421 memcpy(buf, bnx2_tests_str_arr,
7422 sizeof(bnx2_tests_str_arr));
7423 break;
7424 }
7425}
7426
Michael Chanb6016b72005-05-26 13:03:09 -07007427static void
7428bnx2_get_ethtool_stats(struct net_device *dev,
7429 struct ethtool_stats *stats, u64 *buf)
7430{
Michael Chan972ec0d2006-01-23 16:12:43 -08007431 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007432 int i;
7433 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007434 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007435
7436 if (hw_stats == NULL) {
7437 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7438 return;
7439 }
7440
Michael Chan5b0c76a2005-11-04 08:45:49 -08007441 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7442 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7443 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7444 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007445 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007446 else
7447 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007448
7449 for (i = 0; i < BNX2_NUM_STATS; i++) {
7450 if (stats_len_arr[i] == 0) {
7451 /* skip this counter */
7452 buf[i] = 0;
7453 continue;
7454 }
7455 if (stats_len_arr[i] == 4) {
7456 /* 4-byte counter */
7457 buf[i] = (u64)
7458 *(hw_stats + bnx2_stats_offset_arr[i]);
7459 continue;
7460 }
7461 /* 8-byte counter */
7462 buf[i] = (((u64) *(hw_stats +
7463 bnx2_stats_offset_arr[i])) << 32) +
7464 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7465 }
7466}
7467
7468static int
7469bnx2_phys_id(struct net_device *dev, u32 data)
7470{
Michael Chan972ec0d2006-01-23 16:12:43 -08007471 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007472 int i;
7473 u32 save;
7474
Michael Chan9f52b562008-10-09 12:21:46 -07007475 bnx2_set_power_state(bp, PCI_D0);
7476
Michael Chanb6016b72005-05-26 13:03:09 -07007477 if (data == 0)
7478 data = 2;
7479
7480 save = REG_RD(bp, BNX2_MISC_CFG);
7481 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7482
7483 for (i = 0; i < (data * 2); i++) {
7484 if ((i % 2) == 0) {
7485 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7486 }
7487 else {
7488 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7489 BNX2_EMAC_LED_1000MB_OVERRIDE |
7490 BNX2_EMAC_LED_100MB_OVERRIDE |
7491 BNX2_EMAC_LED_10MB_OVERRIDE |
7492 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7493 BNX2_EMAC_LED_TRAFFIC);
7494 }
7495 msleep_interruptible(500);
7496 if (signal_pending(current))
7497 break;
7498 }
7499 REG_WR(bp, BNX2_EMAC_LED, 0);
7500 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007501
7502 if (!netif_running(dev))
7503 bnx2_set_power_state(bp, PCI_D3hot);
7504
Michael Chanb6016b72005-05-26 13:03:09 -07007505 return 0;
7506}
7507
Michael Chan4666f872007-05-03 13:22:28 -07007508static int
7509bnx2_set_tx_csum(struct net_device *dev, u32 data)
7510{
7511 struct bnx2 *bp = netdev_priv(dev);
7512
7513 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007514 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007515 else
7516 return (ethtool_op_set_tx_csum(dev, data));
7517}
7518
Jeff Garzik7282d492006-09-13 14:30:00 -04007519static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007520 .get_settings = bnx2_get_settings,
7521 .set_settings = bnx2_set_settings,
7522 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007523 .get_regs_len = bnx2_get_regs_len,
7524 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007525 .get_wol = bnx2_get_wol,
7526 .set_wol = bnx2_set_wol,
7527 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007528 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007529 .get_eeprom_len = bnx2_get_eeprom_len,
7530 .get_eeprom = bnx2_get_eeprom,
7531 .set_eeprom = bnx2_set_eeprom,
7532 .get_coalesce = bnx2_get_coalesce,
7533 .set_coalesce = bnx2_set_coalesce,
7534 .get_ringparam = bnx2_get_ringparam,
7535 .set_ringparam = bnx2_set_ringparam,
7536 .get_pauseparam = bnx2_get_pauseparam,
7537 .set_pauseparam = bnx2_set_pauseparam,
7538 .get_rx_csum = bnx2_get_rx_csum,
7539 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007540 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007541 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007542 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007543 .self_test = bnx2_self_test,
7544 .get_strings = bnx2_get_strings,
7545 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007546 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007547 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007548};
7549
7550/* Called with rtnl_lock */
7551static int
7552bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7553{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007554 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007555 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007556 int err;
7557
7558 switch(cmd) {
7559 case SIOCGMIIPHY:
7560 data->phy_id = bp->phy_addr;
7561
7562 /* fallthru */
7563 case SIOCGMIIREG: {
7564 u32 mii_regval;
7565
Michael Chan583c28e2008-01-21 19:51:35 -08007566 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007567 return -EOPNOTSUPP;
7568
Michael Chandad3e452007-05-03 13:18:03 -07007569 if (!netif_running(dev))
7570 return -EAGAIN;
7571
Michael Chanc770a652005-08-25 15:38:39 -07007572 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007573 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007574 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007575
7576 data->val_out = mii_regval;
7577
7578 return err;
7579 }
7580
7581 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007582 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007583 return -EOPNOTSUPP;
7584
Michael Chandad3e452007-05-03 13:18:03 -07007585 if (!netif_running(dev))
7586 return -EAGAIN;
7587
Michael Chanc770a652005-08-25 15:38:39 -07007588 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007589 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007590 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007591
7592 return err;
7593
7594 default:
7595 /* do nothing */
7596 break;
7597 }
7598 return -EOPNOTSUPP;
7599}
7600
7601/* Called with rtnl_lock */
7602static int
7603bnx2_change_mac_addr(struct net_device *dev, void *p)
7604{
7605 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007606 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007607
Michael Chan73eef4c2005-08-25 15:39:15 -07007608 if (!is_valid_ether_addr(addr->sa_data))
7609 return -EINVAL;
7610
Michael Chanb6016b72005-05-26 13:03:09 -07007611 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7612 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007613 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007614
7615 return 0;
7616}
7617
7618/* Called with rtnl_lock */
7619static int
7620bnx2_change_mtu(struct net_device *dev, int new_mtu)
7621{
Michael Chan972ec0d2006-01-23 16:12:43 -08007622 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007623
7624 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7625 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7626 return -EINVAL;
7627
7628 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007629 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007630}
7631
7632#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7633static void
7634poll_bnx2(struct net_device *dev)
7635{
Michael Chan972ec0d2006-01-23 16:12:43 -08007636 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007637 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007638
Neil Hormanb2af2c12008-11-12 16:23:44 -08007639 for (i = 0; i < bp->irq_nvecs; i++) {
7640 disable_irq(bp->irq_tbl[i].vector);
7641 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7642 enable_irq(bp->irq_tbl[i].vector);
7643 }
Michael Chanb6016b72005-05-26 13:03:09 -07007644}
7645#endif
7646
Michael Chan253c8b72007-01-08 19:56:01 -08007647static void __devinit
7648bnx2_get_5709_media(struct bnx2 *bp)
7649{
7650 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7651 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7652 u32 strap;
7653
7654 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7655 return;
7656 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007657 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007658 return;
7659 }
7660
7661 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7662 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7663 else
7664 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7665
7666 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7667 switch (strap) {
7668 case 0x4:
7669 case 0x5:
7670 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007671 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007672 return;
7673 }
7674 } else {
7675 switch (strap) {
7676 case 0x1:
7677 case 0x2:
7678 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007679 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007680 return;
7681 }
7682 }
7683}
7684
Michael Chan883e5152007-05-03 13:25:11 -07007685static void __devinit
7686bnx2_get_pci_speed(struct bnx2 *bp)
7687{
7688 u32 reg;
7689
7690 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7691 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7692 u32 clkreg;
7693
David S. Millerf86e82f2008-01-21 17:15:40 -08007694 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007695
7696 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7697
7698 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7699 switch (clkreg) {
7700 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7701 bp->bus_speed_mhz = 133;
7702 break;
7703
7704 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7705 bp->bus_speed_mhz = 100;
7706 break;
7707
7708 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7709 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7710 bp->bus_speed_mhz = 66;
7711 break;
7712
7713 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7714 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7715 bp->bus_speed_mhz = 50;
7716 break;
7717
7718 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7719 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7720 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7721 bp->bus_speed_mhz = 33;
7722 break;
7723 }
7724 }
7725 else {
7726 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7727 bp->bus_speed_mhz = 66;
7728 else
7729 bp->bus_speed_mhz = 33;
7730 }
7731
7732 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007733 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007734
7735}
7736
Michael Chan76d99062009-12-03 09:46:34 +00007737static void __devinit
7738bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7739{
7740 int rc, i, v0_len = 0;
7741 u8 *data;
7742 u8 *v0_str = NULL;
7743 bool mn_match = false;
7744
Michael Chan012093f2009-12-03 15:58:00 -08007745#define BNX2_VPD_NVRAM_OFFSET 0x300
7746#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007747#define BNX2_MAX_VER_SLEN 30
7748
7749 data = kmalloc(256, GFP_KERNEL);
7750 if (!data)
7751 return;
7752
Michael Chan012093f2009-12-03 15:58:00 -08007753 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7754 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007755 if (rc)
7756 goto vpd_done;
7757
Michael Chan012093f2009-12-03 15:58:00 -08007758 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7759 data[i] = data[i + BNX2_VPD_LEN + 3];
7760 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7761 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7762 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007763 }
7764
Michael Chan012093f2009-12-03 15:58:00 -08007765 for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
Michael Chan76d99062009-12-03 09:46:34 +00007766 unsigned char val = data[i];
7767 unsigned int block_end;
7768
7769 if (val == 0x82 || val == 0x91) {
7770 i = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
7771 continue;
7772 }
7773
7774 if (val != 0x90)
7775 goto vpd_done;
7776
7777 block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
7778 i += 3;
7779
Michael Chan012093f2009-12-03 15:58:00 -08007780 if (block_end > BNX2_VPD_LEN)
Michael Chan76d99062009-12-03 09:46:34 +00007781 goto vpd_done;
7782
7783 while (i < (block_end - 2)) {
Michael Chan012093f2009-12-03 15:58:00 -08007784 int len = data[i + 2];
7785
7786 if (i + 3 + len > block_end)
7787 goto vpd_done;
7788
Michael Chan76d99062009-12-03 09:46:34 +00007789 if (data[i] == 'M' && data[i + 1] == 'N') {
Michael Chan012093f2009-12-03 15:58:00 -08007790 if (len != 4 ||
7791 memcmp(&data[i + 3], "1028", 4))
Michael Chan76d99062009-12-03 09:46:34 +00007792 goto vpd_done;
7793 mn_match = true;
Michael Chan76d99062009-12-03 09:46:34 +00007794
7795 } else if (data[i] == 'V' && data[i + 1] == '0') {
Michael Chan012093f2009-12-03 15:58:00 -08007796 if (len > BNX2_MAX_VER_SLEN)
Michael Chan76d99062009-12-03 09:46:34 +00007797 goto vpd_done;
7798
Michael Chan012093f2009-12-03 15:58:00 -08007799 v0_len = len;
7800 v0_str = &data[i + 3];
Michael Chan76d99062009-12-03 09:46:34 +00007801 }
Michael Chan012093f2009-12-03 15:58:00 -08007802 i += 3 + len;
Michael Chan76d99062009-12-03 09:46:34 +00007803
7804 if (mn_match && v0_str) {
7805 memcpy(bp->fw_version, v0_str, v0_len);
7806 bp->fw_version[v0_len] = ' ';
7807 goto vpd_done;
7808 }
7809 }
7810 goto vpd_done;
7811 }
7812
7813vpd_done:
7814 kfree(data);
7815}
7816
Michael Chanb6016b72005-05-26 13:03:09 -07007817static int __devinit
7818bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7819{
7820 struct bnx2 *bp;
7821 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007822 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007823 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007824 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007825
Michael Chanb6016b72005-05-26 13:03:09 -07007826 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007827 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007828
7829 bp->flags = 0;
7830 bp->phy_flags = 0;
7831
7832 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7833 rc = pci_enable_device(pdev);
7834 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007835 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007836 goto err_out;
7837 }
7838
7839 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007840 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007841 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007842 rc = -ENODEV;
7843 goto err_out_disable;
7844 }
7845
7846 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7847 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007848 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007849 goto err_out_disable;
7850 }
7851
7852 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007853 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007854
7855 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7856 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007857 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007858 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007859 rc = -EIO;
7860 goto err_out_release;
7861 }
7862
Michael Chanb6016b72005-05-26 13:03:09 -07007863 bp->dev = dev;
7864 bp->pdev = pdev;
7865
7866 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007867 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007868#ifdef BCM_CNIC
7869 mutex_init(&bp->cnic_lock);
7870#endif
David Howellsc4028952006-11-22 14:57:56 +00007871 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007872
7873 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007874 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007875 dev->mem_end = dev->mem_start + mem_len;
7876 dev->irq = pdev->irq;
7877
7878 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7879
7880 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007881 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007882 rc = -ENOMEM;
7883 goto err_out_release;
7884 }
7885
7886 /* Configure byte swap and enable write to the reg_window registers.
7887 * Rely on CPU to do target byte swapping on big endian systems
7888 * The chip's target access swapping will not swap all accesses
7889 */
7890 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7891 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7892 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7893
Pavel Machek829ca9a2005-09-03 15:56:56 -07007894 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007895
7896 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7897
Michael Chan883e5152007-05-03 13:25:11 -07007898 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7899 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7900 dev_err(&pdev->dev,
7901 "Cannot find PCIE capability, aborting.\n");
7902 rc = -EIO;
7903 goto err_out_unmap;
7904 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007905 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007906 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007907 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007908 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007909 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7910 if (bp->pcix_cap == 0) {
7911 dev_err(&pdev->dev,
7912 "Cannot find PCIX capability, aborting.\n");
7913 rc = -EIO;
7914 goto err_out_unmap;
7915 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007916 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007917 }
7918
Michael Chanb4b36042007-12-20 19:59:30 -08007919 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7920 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007921 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007922 }
7923
Michael Chan8e6a72c2007-05-03 13:24:48 -07007924 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7925 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007926 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007927 }
7928
Michael Chan40453c82007-05-03 13:19:18 -07007929 /* 5708 cannot support DMA addresses > 40-bit. */
7930 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007931 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007932 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007933 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007934
7935 /* Configure DMA attributes. */
7936 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7937 dev->features |= NETIF_F_HIGHDMA;
7938 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7939 if (rc) {
7940 dev_err(&pdev->dev,
7941 "pci_set_consistent_dma_mask failed, aborting.\n");
7942 goto err_out_unmap;
7943 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007944 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Michael Chan40453c82007-05-03 13:19:18 -07007945 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7946 goto err_out_unmap;
7947 }
7948
David S. Millerf86e82f2008-01-21 17:15:40 -08007949 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007950 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007951
7952 /* 5706A0 may falsely detect SERR and PERR. */
7953 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7954 reg = REG_RD(bp, PCI_COMMAND);
7955 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7956 REG_WR(bp, PCI_COMMAND, reg);
7957 }
7958 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007959 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007960
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007961 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007962 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007963 goto err_out_unmap;
7964 }
7965
7966 bnx2_init_nvram(bp);
7967
Michael Chan2726d6e2008-01-29 21:35:05 -08007968 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007969
7970 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007971 BNX2_SHM_HDR_SIGNATURE_SIG) {
7972 u32 off = PCI_FUNC(pdev->devfn) << 2;
7973
Michael Chan2726d6e2008-01-29 21:35:05 -08007974 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007975 } else
Michael Chane3648b32005-11-04 08:51:21 -08007976 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7977
Michael Chanb6016b72005-05-26 13:03:09 -07007978 /* Get the permanent MAC address. First we need to make sure the
7979 * firmware is actually running.
7980 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007981 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007982
7983 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7984 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007985 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007986 rc = -ENODEV;
7987 goto err_out_unmap;
7988 }
7989
Michael Chan76d99062009-12-03 09:46:34 +00007990 bnx2_read_vpd_fw_ver(bp);
7991
7992 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08007993 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00007994 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07007995 u8 num, k, skip0;
7996
Michael Chan76d99062009-12-03 09:46:34 +00007997 if (i == 0) {
7998 bp->fw_version[j++] = 'b';
7999 bp->fw_version[j++] = 'c';
8000 bp->fw_version[j++] = ' ';
8001 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008002 num = (u8) (reg >> (24 - (i * 8)));
8003 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8004 if (num >= k || !skip0 || k == 1) {
8005 bp->fw_version[j++] = (num / k) + '0';
8006 skip0 = 0;
8007 }
8008 }
8009 if (i != 2)
8010 bp->fw_version[j++] = '.';
8011 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008012 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008013 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8014 bp->wol = 1;
8015
8016 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008017 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008018
8019 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008020 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008021 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8022 break;
8023 msleep(10);
8024 }
8025 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008026 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008027 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8028 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8029 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008030 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008031
Michael Chan76d99062009-12-03 09:46:34 +00008032 if (j < 32)
8033 bp->fw_version[j++] = ' ';
8034 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008035 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008036 reg = swab32(reg);
8037 memcpy(&bp->fw_version[j], &reg, 4);
8038 j += 4;
8039 }
8040 }
Michael Chanb6016b72005-05-26 13:03:09 -07008041
Michael Chan2726d6e2008-01-29 21:35:05 -08008042 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008043 bp->mac_addr[0] = (u8) (reg >> 8);
8044 bp->mac_addr[1] = (u8) reg;
8045
Michael Chan2726d6e2008-01-29 21:35:05 -08008046 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008047 bp->mac_addr[2] = (u8) (reg >> 24);
8048 bp->mac_addr[3] = (u8) (reg >> 16);
8049 bp->mac_addr[4] = (u8) (reg >> 8);
8050 bp->mac_addr[5] = (u8) reg;
8051
8052 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008053 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008054
8055 bp->rx_csum = 1;
8056
Michael Chancf7474a2009-08-21 16:20:48 +00008057 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008058 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008059 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008060 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008061
Michael Chancf7474a2009-08-21 16:20:48 +00008062 bp->rx_quick_cons_trip_int = 2;
8063 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008064 bp->rx_ticks_int = 18;
8065 bp->rx_ticks = 18;
8066
Michael Chan7ea69202007-07-16 18:27:10 -07008067 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008068
Benjamin Liac392ab2008-09-18 16:40:49 -07008069 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008070
Michael Chan5b0c76a2005-11-04 08:45:49 -08008071 bp->phy_addr = 1;
8072
Michael Chanb6016b72005-05-26 13:03:09 -07008073 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008074 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8075 bnx2_get_5709_media(bp);
8076 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008077 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008078
Michael Chan0d8a6572007-07-07 22:49:43 -07008079 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008080 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008081 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008082 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008083 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008084 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008085 bp->wol = 0;
8086 }
Michael Chan38ea3682008-02-23 19:48:57 -08008087 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8088 /* Don't do parallel detect on this board because of
8089 * some board problems. The link will not go down
8090 * if we do parallel detect.
8091 */
8092 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8093 pdev->subsystem_device == 0x310c)
8094 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8095 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008096 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008097 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008098 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008099 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008100 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8101 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008102 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008103 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8104 (CHIP_REV(bp) == CHIP_REV_Ax ||
8105 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008106 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008107
Michael Chan7c62e832008-07-14 22:39:03 -07008108 bnx2_init_fw_cap(bp);
8109
Michael Chan16088272006-06-12 22:16:43 -07008110 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8111 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008112 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8113 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008114 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008115 bp->wol = 0;
8116 }
Michael Chandda1e392006-01-23 16:08:14 -08008117
Michael Chanb6016b72005-05-26 13:03:09 -07008118 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8119 bp->tx_quick_cons_trip_int =
8120 bp->tx_quick_cons_trip;
8121 bp->tx_ticks_int = bp->tx_ticks;
8122 bp->rx_quick_cons_trip_int =
8123 bp->rx_quick_cons_trip;
8124 bp->rx_ticks_int = bp->rx_ticks;
8125 bp->comp_prod_trip_int = bp->comp_prod_trip;
8126 bp->com_ticks_int = bp->com_ticks;
8127 bp->cmd_ticks_int = bp->cmd_ticks;
8128 }
8129
Michael Chanf9317a42006-09-29 17:06:23 -07008130 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8131 *
8132 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8133 * with byte enables disabled on the unused 32-bit word. This is legal
8134 * but causes problems on the AMD 8132 which will eventually stop
8135 * responding after a while.
8136 *
8137 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008138 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008139 */
8140 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8141 struct pci_dev *amd_8132 = NULL;
8142
8143 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8144 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8145 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008146
Auke Kok44c10132007-06-08 15:46:36 -07008147 if (amd_8132->revision >= 0x10 &&
8148 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008149 disable_msi = 1;
8150 pci_dev_put(amd_8132);
8151 break;
8152 }
8153 }
8154 }
8155
Michael Chandeaf3912007-07-07 22:48:00 -07008156 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008157 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8158
Michael Chancd339a02005-08-25 15:35:24 -07008159 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008160 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008161 bp->timer.data = (unsigned long) bp;
8162 bp->timer.function = bnx2_timer;
8163
Michael Chanb6016b72005-05-26 13:03:09 -07008164 return 0;
8165
8166err_out_unmap:
8167 if (bp->regview) {
8168 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008169 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008170 }
8171
8172err_out_release:
8173 pci_release_regions(pdev);
8174
8175err_out_disable:
8176 pci_disable_device(pdev);
8177 pci_set_drvdata(pdev, NULL);
8178
8179err_out:
8180 return rc;
8181}
8182
Michael Chan883e5152007-05-03 13:25:11 -07008183static char * __devinit
8184bnx2_bus_string(struct bnx2 *bp, char *str)
8185{
8186 char *s = str;
8187
David S. Millerf86e82f2008-01-21 17:15:40 -08008188 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008189 s += sprintf(s, "PCI Express");
8190 } else {
8191 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008192 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008193 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008194 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008195 s += sprintf(s, " 32-bit");
8196 else
8197 s += sprintf(s, " 64-bit");
8198 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8199 }
8200 return str;
8201}
8202
Michael Chan2ba582b2007-12-21 15:04:49 -08008203static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008204bnx2_init_napi(struct bnx2 *bp)
8205{
Michael Chanb4b36042007-12-20 19:59:30 -08008206 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008207
Michael Chanb4b36042007-12-20 19:59:30 -08008208 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008209 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8210 int (*poll)(struct napi_struct *, int);
8211
8212 if (i == 0)
8213 poll = bnx2_poll;
8214 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008215 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008216
8217 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008218 bnapi->bp = bp;
8219 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008220}
8221
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008222static const struct net_device_ops bnx2_netdev_ops = {
8223 .ndo_open = bnx2_open,
8224 .ndo_start_xmit = bnx2_start_xmit,
8225 .ndo_stop = bnx2_close,
8226 .ndo_get_stats = bnx2_get_stats,
8227 .ndo_set_rx_mode = bnx2_set_rx_mode,
8228 .ndo_do_ioctl = bnx2_ioctl,
8229 .ndo_validate_addr = eth_validate_addr,
8230 .ndo_set_mac_address = bnx2_change_mac_addr,
8231 .ndo_change_mtu = bnx2_change_mtu,
8232 .ndo_tx_timeout = bnx2_tx_timeout,
8233#ifdef BCM_VLAN
8234 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8235#endif
8236#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
8237 .ndo_poll_controller = poll_bnx2,
8238#endif
8239};
8240
Eric Dumazet72dccb02009-07-23 02:01:38 +00008241static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8242{
8243#ifdef BCM_VLAN
8244 dev->vlan_features |= flags;
8245#endif
8246}
8247
Michael Chan35efa7c2007-12-20 19:56:37 -08008248static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008249bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8250{
8251 static int version_printed = 0;
8252 struct net_device *dev = NULL;
8253 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008254 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008255 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008256
8257 if (version_printed++ == 0)
8258 printk(KERN_INFO "%s", version);
8259
8260 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008261 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008262
8263 if (!dev)
8264 return -ENOMEM;
8265
8266 rc = bnx2_init_board(pdev, dev);
8267 if (rc < 0) {
8268 free_netdev(dev);
8269 return rc;
8270 }
8271
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008272 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008273 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008274 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008275
Michael Chan972ec0d2006-01-23 16:12:43 -08008276 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08008277 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008278
Michael Chan1b2f9222007-05-03 13:20:19 -07008279 pci_set_drvdata(pdev, dev);
8280
Michael Chan57579f72009-04-04 16:51:14 -07008281 rc = bnx2_request_firmware(bp);
8282 if (rc)
8283 goto error;
8284
Michael Chan1b2f9222007-05-03 13:20:19 -07008285 memcpy(dev->dev_addr, bp->mac_addr, 6);
8286 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008287
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008288 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008289 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8290 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008291 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008292 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8293 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008294#ifdef BCM_VLAN
8295 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8296#endif
8297 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008298 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8299 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008300 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008301 vlan_features_add(dev, NETIF_F_TSO6);
8302 }
Michael Chanb6016b72005-05-26 13:03:09 -07008303 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008304 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008305 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008306 }
8307
Michael Chan883e5152007-05-03 13:25:11 -07008308 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Johannes Berge1749612008-10-27 15:59:26 -07008309 "IRQ %d, node addr %pM\n",
Michael Chanb6016b72005-05-26 13:03:09 -07008310 dev->name,
Benjamin Lifbbf68b2008-09-18 16:40:03 -07008311 board_info[ent->driver_data].name,
Michael Chanb6016b72005-05-26 13:03:09 -07008312 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8313 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07008314 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07008315 dev->base_addr,
Johannes Berge1749612008-10-27 15:59:26 -07008316 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008317
Michael Chanb6016b72005-05-26 13:03:09 -07008318 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008319
8320error:
8321 if (bp->mips_firmware)
8322 release_firmware(bp->mips_firmware);
8323 if (bp->rv2p_firmware)
8324 release_firmware(bp->rv2p_firmware);
8325
8326 if (bp->regview)
8327 iounmap(bp->regview);
8328 pci_release_regions(pdev);
8329 pci_disable_device(pdev);
8330 pci_set_drvdata(pdev, NULL);
8331 free_netdev(dev);
8332 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008333}
8334
8335static void __devexit
8336bnx2_remove_one(struct pci_dev *pdev)
8337{
8338 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008339 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008340
Michael Chanafdc08b2005-08-25 15:34:29 -07008341 flush_scheduled_work();
8342
Michael Chanb6016b72005-05-26 13:03:09 -07008343 unregister_netdev(dev);
8344
Michael Chan57579f72009-04-04 16:51:14 -07008345 if (bp->mips_firmware)
8346 release_firmware(bp->mips_firmware);
8347 if (bp->rv2p_firmware)
8348 release_firmware(bp->rv2p_firmware);
8349
Michael Chanb6016b72005-05-26 13:03:09 -07008350 if (bp->regview)
8351 iounmap(bp->regview);
8352
8353 free_netdev(dev);
8354 pci_release_regions(pdev);
8355 pci_disable_device(pdev);
8356 pci_set_drvdata(pdev, NULL);
8357}
8358
8359static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008360bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008361{
8362 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008363 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008364
Michael Chan6caebb02007-08-03 20:57:25 -07008365 /* PCI register 4 needs to be saved whether netif_running() or not.
8366 * MSI address and data need to be saved if using MSI and
8367 * netif_running().
8368 */
8369 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008370 if (!netif_running(dev))
8371 return 0;
8372
Michael Chan1d60290f2006-03-20 17:50:08 -08008373 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07008374 bnx2_netif_stop(bp);
8375 netif_device_detach(dev);
8376 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008377 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008378 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008379 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008380 return 0;
8381}
8382
8383static int
8384bnx2_resume(struct pci_dev *pdev)
8385{
8386 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008387 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008388
Michael Chan6caebb02007-08-03 20:57:25 -07008389 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008390 if (!netif_running(dev))
8391 return 0;
8392
Pavel Machek829ca9a2005-09-03 15:56:56 -07008393 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008394 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008395 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07008396 bnx2_netif_start(bp);
8397 return 0;
8398}
8399
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008400/**
8401 * bnx2_io_error_detected - called when PCI error is detected
8402 * @pdev: Pointer to PCI device
8403 * @state: The current pci connection state
8404 *
8405 * This function is called after a PCI bus error affecting
8406 * this device has been detected.
8407 */
8408static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8409 pci_channel_state_t state)
8410{
8411 struct net_device *dev = pci_get_drvdata(pdev);
8412 struct bnx2 *bp = netdev_priv(dev);
8413
8414 rtnl_lock();
8415 netif_device_detach(dev);
8416
Dean Nelson2ec3de22009-07-31 09:13:18 +00008417 if (state == pci_channel_io_perm_failure) {
8418 rtnl_unlock();
8419 return PCI_ERS_RESULT_DISCONNECT;
8420 }
8421
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008422 if (netif_running(dev)) {
8423 bnx2_netif_stop(bp);
8424 del_timer_sync(&bp->timer);
8425 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8426 }
8427
8428 pci_disable_device(pdev);
8429 rtnl_unlock();
8430
8431 /* Request a slot slot reset. */
8432 return PCI_ERS_RESULT_NEED_RESET;
8433}
8434
8435/**
8436 * bnx2_io_slot_reset - called after the pci bus has been reset.
8437 * @pdev: Pointer to PCI device
8438 *
8439 * Restart the card from scratch, as if from a cold-boot.
8440 */
8441static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8442{
8443 struct net_device *dev = pci_get_drvdata(pdev);
8444 struct bnx2 *bp = netdev_priv(dev);
8445
8446 rtnl_lock();
8447 if (pci_enable_device(pdev)) {
8448 dev_err(&pdev->dev,
8449 "Cannot re-enable PCI device after reset.\n");
8450 rtnl_unlock();
8451 return PCI_ERS_RESULT_DISCONNECT;
8452 }
8453 pci_set_master(pdev);
8454 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008455 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008456
8457 if (netif_running(dev)) {
8458 bnx2_set_power_state(bp, PCI_D0);
8459 bnx2_init_nic(bp, 1);
8460 }
8461
8462 rtnl_unlock();
8463 return PCI_ERS_RESULT_RECOVERED;
8464}
8465
8466/**
8467 * bnx2_io_resume - called when traffic can start flowing again.
8468 * @pdev: Pointer to PCI device
8469 *
8470 * This callback is called when the error recovery driver tells us that
8471 * its OK to resume normal operation.
8472 */
8473static void bnx2_io_resume(struct pci_dev *pdev)
8474{
8475 struct net_device *dev = pci_get_drvdata(pdev);
8476 struct bnx2 *bp = netdev_priv(dev);
8477
8478 rtnl_lock();
8479 if (netif_running(dev))
8480 bnx2_netif_start(bp);
8481
8482 netif_device_attach(dev);
8483 rtnl_unlock();
8484}
8485
8486static struct pci_error_handlers bnx2_err_handler = {
8487 .error_detected = bnx2_io_error_detected,
8488 .slot_reset = bnx2_io_slot_reset,
8489 .resume = bnx2_io_resume,
8490};
8491
Michael Chanb6016b72005-05-26 13:03:09 -07008492static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008493 .name = DRV_MODULE_NAME,
8494 .id_table = bnx2_pci_tbl,
8495 .probe = bnx2_init_one,
8496 .remove = __devexit_p(bnx2_remove_one),
8497 .suspend = bnx2_suspend,
8498 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008499 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008500};
8501
8502static int __init bnx2_init(void)
8503{
Jeff Garzik29917622006-08-19 17:48:59 -04008504 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008505}
8506
8507static void __exit bnx2_cleanup(void)
8508{
8509 pci_unregister_driver(&bnx2_pci_driver);
8510}
8511
8512module_init(bnx2_init);
8513module_exit(bnx2_cleanup);
8514
8515
8516