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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
6148 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6149 msix_ent[i].entry = i;
6150 msix_ent[i].vector = 0;
6151 }
6152
6153 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6154 if (rc != 0)
6155 return;
6156
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006157 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006158 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006159 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006160 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006161 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6162 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6163 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006164}
6165
6166static void
6167bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6168{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006169 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006170 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006171
Michael Chan6d866ff2007-12-20 19:56:09 -08006172 bp->irq_tbl[0].handler = bnx2_interrupt;
6173 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006174 bp->irq_nvecs = 1;
6175 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006176
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006177 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6178 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006179
David S. Millerf86e82f2008-01-21 17:15:40 -08006180 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6181 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006182 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006183 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006184 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006185 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006186 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6187 } else
6188 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006189
6190 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006191 }
6192 }
Benjamin Li706bf242008-07-18 17:55:11 -07006193
6194 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6195 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6196
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006197 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006198}
6199
Michael Chanb6016b72005-05-26 13:03:09 -07006200/* Called with rtnl_lock */
6201static int
6202bnx2_open(struct net_device *dev)
6203{
Michael Chan972ec0d2006-01-23 16:12:43 -08006204 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006205 int rc;
6206
Michael Chan1b2f9222007-05-03 13:20:19 -07006207 netif_carrier_off(dev);
6208
Pavel Machek829ca9a2005-09-03 15:56:56 -07006209 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006210 bnx2_disable_int(bp);
6211
Michael Chan6d866ff2007-12-20 19:56:09 -08006212 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08006213 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006214 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006215 if (rc)
6216 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006217
Michael Chan8e6a72c2007-05-03 13:24:48 -07006218 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006219 if (rc)
6220 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006221
Michael Chan9a120bc2008-05-16 22:17:45 -07006222 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006223 if (rc)
6224 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006225
Michael Chancd339a02005-08-25 15:35:24 -07006226 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006227
6228 atomic_set(&bp->intr_sem, 0);
6229
6230 bnx2_enable_int(bp);
6231
David S. Millerf86e82f2008-01-21 17:15:40 -08006232 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006233 /* Test MSI to make sure it is working
6234 * If MSI test fails, go back to INTx mode
6235 */
6236 if (bnx2_test_intr(bp) != 0) {
6237 printk(KERN_WARNING PFX "%s: No interrupt was generated"
6238 " using MSI, switching to INTx mode. Please"
6239 " report this failure to the PCI maintainer"
6240 " and include system chipset information.\n",
6241 bp->dev->name);
6242
6243 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006244 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006245
Michael Chan6d866ff2007-12-20 19:56:09 -08006246 bnx2_setup_int_mode(bp, 1);
6247
Michael Chan9a120bc2008-05-16 22:17:45 -07006248 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006249
Michael Chan8e6a72c2007-05-03 13:24:48 -07006250 if (!rc)
6251 rc = bnx2_request_irq(bp);
6252
Michael Chanb6016b72005-05-26 13:03:09 -07006253 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006254 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006255 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006256 }
6257 bnx2_enable_int(bp);
6258 }
6259 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006260 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07006261 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08006262 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08006263 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07006264
Benjamin Li706bf242008-07-18 17:55:11 -07006265 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006266
6267 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006268
6269open_err:
6270 bnx2_napi_disable(bp);
6271 bnx2_free_skbs(bp);
6272 bnx2_free_irq(bp);
6273 bnx2_free_mem(bp);
6274 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006275}
6276
6277static void
David Howellsc4028952006-11-22 14:57:56 +00006278bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006279{
David Howellsc4028952006-11-22 14:57:56 +00006280 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006281
Michael Chan51bf6bb2009-12-03 09:46:31 +00006282 rtnl_lock();
6283 if (!netif_running(bp->dev)) {
6284 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006285 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006286 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006287
Michael Chanb6016b72005-05-26 13:03:09 -07006288 bnx2_netif_stop(bp);
6289
Michael Chan9a120bc2008-05-16 22:17:45 -07006290 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006291
6292 atomic_set(&bp->intr_sem, 1);
6293 bnx2_netif_start(bp);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006294 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006295}
6296
6297static void
Michael Chan20175c52009-12-03 09:46:32 +00006298bnx2_dump_state(struct bnx2 *bp)
6299{
6300 struct net_device *dev = bp->dev;
6301
6302 printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name,
6303 atomic_read(&bp->intr_sem));
6304 printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] "
6305 "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name,
6306 REG_RD(bp, BNX2_EMAC_TX_STATUS),
6307 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6308 printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
6309 dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
6310 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
6311 printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6312 dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
6313 if (bp->flags & BNX2_FLAG_USING_MSIX)
6314 printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name,
6315 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
6316}
6317
6318static void
Michael Chanb6016b72005-05-26 13:03:09 -07006319bnx2_tx_timeout(struct net_device *dev)
6320{
Michael Chan972ec0d2006-01-23 16:12:43 -08006321 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006322
Michael Chan20175c52009-12-03 09:46:32 +00006323 bnx2_dump_state(bp);
6324
Michael Chanb6016b72005-05-26 13:03:09 -07006325 /* This allows the netif to be shutdown gracefully before resetting */
6326 schedule_work(&bp->reset_task);
6327}
6328
6329#ifdef BCM_VLAN
6330/* Called with rtnl_lock */
6331static void
6332bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6333{
Michael Chan972ec0d2006-01-23 16:12:43 -08006334 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006335
Michael Chan37675462009-08-21 16:20:44 +00006336 if (netif_running(dev))
6337 bnx2_netif_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006338
6339 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006340
6341 if (!netif_running(dev))
6342 return;
6343
Michael Chanb6016b72005-05-26 13:03:09 -07006344 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006345 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6346 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006347
6348 bnx2_netif_start(bp);
6349}
Michael Chanb6016b72005-05-26 13:03:09 -07006350#endif
6351
Herbert Xu932ff272006-06-09 12:20:56 -07006352/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006353 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6354 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006355 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006356static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006357bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6358{
Michael Chan972ec0d2006-01-23 16:12:43 -08006359 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006360 dma_addr_t mapping;
6361 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006362 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006363 u32 len, vlan_tag_flags, last_frag, mss;
6364 u16 prod, ring_prod;
6365 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006366 struct bnx2_napi *bnapi;
6367 struct bnx2_tx_ring_info *txr;
6368 struct netdev_queue *txq;
6369
6370 /* Determine which tx ring we will be placed on */
6371 i = skb_get_queue_mapping(skb);
6372 bnapi = &bp->bnx2_napi[i];
6373 txr = &bnapi->tx_ring;
6374 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006375
Michael Chan35e90102008-06-19 16:37:42 -07006376 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006377 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006378 netif_tx_stop_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006379 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6380 dev->name);
6381
6382 return NETDEV_TX_BUSY;
6383 }
6384 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006385 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006386 ring_prod = TX_RING_IDX(prod);
6387
6388 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006389 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006390 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6391 }
6392
Michael Chan729b85c2008-08-14 15:29:39 -07006393#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006394 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006395 vlan_tag_flags |=
6396 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6397 }
Michael Chan729b85c2008-08-14 15:29:39 -07006398#endif
Michael Chanfde82052007-05-03 17:23:35 -07006399 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006400 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006401 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006402
Michael Chanb6016b72005-05-26 13:03:09 -07006403 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6404
Michael Chan4666f872007-05-03 13:22:28 -07006405 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006406
Michael Chan4666f872007-05-03 13:22:28 -07006407 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6408 u32 tcp_off = skb_transport_offset(skb) -
6409 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006410
Michael Chan4666f872007-05-03 13:22:28 -07006411 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6412 TX_BD_FLAGS_SW_FLAGS;
6413 if (likely(tcp_off == 0))
6414 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6415 else {
6416 tcp_off >>= 3;
6417 vlan_tag_flags |= ((tcp_off & 0x3) <<
6418 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6419 ((tcp_off & 0x10) <<
6420 TX_BD_FLAGS_TCP6_OFF4_SHL);
6421 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6422 }
6423 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006424 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006425 if (tcp_opt_len || (iph->ihl > 5)) {
6426 vlan_tag_flags |= ((iph->ihl - 5) +
6427 (tcp_opt_len >> 2)) << 8;
6428 }
Michael Chanb6016b72005-05-26 13:03:09 -07006429 }
Michael Chan4666f872007-05-03 13:22:28 -07006430 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006431 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006432
Alexander Duycke95524a2009-12-02 16:47:57 +00006433 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6434 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006435 dev_kfree_skb(skb);
6436 return NETDEV_TX_OK;
6437 }
6438
Michael Chan35e90102008-06-19 16:37:42 -07006439 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006440 tx_buf->skb = skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00006441 pci_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006442
Michael Chan35e90102008-06-19 16:37:42 -07006443 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006444
6445 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6446 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6447 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6448 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6449
6450 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006451 tx_buf->nr_frags = last_frag;
6452 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006453
6454 for (i = 0; i < last_frag; i++) {
6455 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6456
6457 prod = NEXT_TX_BD(prod);
6458 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006459 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006460
6461 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006462 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6463 len, PCI_DMA_TODEVICE);
6464 if (pci_dma_mapping_error(bp->pdev, mapping))
6465 goto dma_error;
6466 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
6467 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006468
6469 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6470 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6471 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6472 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6473
6474 }
6475 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6476
6477 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006478 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006479
Michael Chan35e90102008-06-19 16:37:42 -07006480 REG_WR16(bp, txr->tx_bidx_addr, prod);
6481 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006482
6483 mmiowb();
6484
Michael Chan35e90102008-06-19 16:37:42 -07006485 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006486
Michael Chan35e90102008-06-19 16:37:42 -07006487 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006488 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006489 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006490 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006491 }
6492
6493 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006494dma_error:
6495 /* save value of frag that failed */
6496 last_frag = i;
6497
6498 /* start back at beginning and unmap skb */
6499 prod = txr->tx_prod;
6500 ring_prod = TX_RING_IDX(prod);
6501 tx_buf = &txr->tx_buf_ring[ring_prod];
6502 tx_buf->skb = NULL;
6503 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6504 skb_headlen(skb), PCI_DMA_TODEVICE);
6505
6506 /* unmap remaining mapped pages */
6507 for (i = 0; i < last_frag; i++) {
6508 prod = NEXT_TX_BD(prod);
6509 ring_prod = TX_RING_IDX(prod);
6510 tx_buf = &txr->tx_buf_ring[ring_prod];
6511 pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6512 skb_shinfo(skb)->frags[i].size,
6513 PCI_DMA_TODEVICE);
6514 }
6515
6516 dev_kfree_skb(skb);
6517 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006518}
6519
6520/* Called with rtnl_lock */
6521static int
6522bnx2_close(struct net_device *dev)
6523{
Michael Chan972ec0d2006-01-23 16:12:43 -08006524 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006525
David S. Miller4bb073c2008-06-12 02:22:02 -07006526 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006527
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006528 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006529 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006530 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006531 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006532 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006533 bnx2_free_skbs(bp);
6534 bnx2_free_mem(bp);
6535 bp->link_up = 0;
6536 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006537 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006538 return 0;
6539}
6540
6541#define GET_NET_STATS64(ctr) \
6542 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6543 (unsigned long) (ctr##_lo)
6544
6545#define GET_NET_STATS32(ctr) \
6546 (ctr##_lo)
6547
6548#if (BITS_PER_LONG == 64)
6549#define GET_NET_STATS GET_NET_STATS64
6550#else
6551#define GET_NET_STATS GET_NET_STATS32
6552#endif
6553
6554static struct net_device_stats *
6555bnx2_get_stats(struct net_device *dev)
6556{
Michael Chan972ec0d2006-01-23 16:12:43 -08006557 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006558 struct statistics_block *stats_blk = bp->stats_blk;
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006559 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006560
6561 if (bp->stats_blk == NULL) {
6562 return net_stats;
6563 }
6564 net_stats->rx_packets =
6565 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6566 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6567 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6568
6569 net_stats->tx_packets =
6570 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6571 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6572 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6573
6574 net_stats->rx_bytes =
6575 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6576
6577 net_stats->tx_bytes =
6578 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6579
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006580 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07006581 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6582
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006583 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07006584 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6585
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006586 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006587 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6588 stats_blk->stat_EtherStatsOverrsizePkts);
6589
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006590 net_stats->rx_over_errors =
Michael Chan790dab22009-08-21 16:20:47 +00006591 (unsigned long) (stats_blk->stat_IfInFTQDiscards +
6592 stats_blk->stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006593
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006594 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006595 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6596
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006597 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006598 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6599
6600 net_stats->rx_errors = net_stats->rx_length_errors +
6601 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6602 net_stats->rx_crc_errors;
6603
6604 net_stats->tx_aborted_errors =
6605 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6606 stats_blk->stat_Dot3StatsLateCollisions);
6607
Michael Chan5b0c76a2005-11-04 08:45:49 -08006608 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6609 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006610 net_stats->tx_carrier_errors = 0;
6611 else {
6612 net_stats->tx_carrier_errors =
6613 (unsigned long)
6614 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6615 }
6616
6617 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006618 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006619 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6620 +
6621 net_stats->tx_aborted_errors +
6622 net_stats->tx_carrier_errors;
6623
Michael Chancea94db2006-06-12 22:16:13 -07006624 net_stats->rx_missed_errors =
Michael Chan790dab22009-08-21 16:20:47 +00006625 (unsigned long) (stats_blk->stat_IfInFTQDiscards +
6626 stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006627
Michael Chanb6016b72005-05-26 13:03:09 -07006628 return net_stats;
6629}
6630
6631/* All ethtool functions called with rtnl_lock */
6632
6633static int
6634bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6635{
Michael Chan972ec0d2006-01-23 16:12:43 -08006636 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006637 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006638
6639 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006640 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006641 support_serdes = 1;
6642 support_copper = 1;
6643 } else if (bp->phy_port == PORT_FIBRE)
6644 support_serdes = 1;
6645 else
6646 support_copper = 1;
6647
6648 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006649 cmd->supported |= SUPPORTED_1000baseT_Full |
6650 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006651 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006652 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006653
Michael Chanb6016b72005-05-26 13:03:09 -07006654 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006655 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006656 cmd->supported |= SUPPORTED_10baseT_Half |
6657 SUPPORTED_10baseT_Full |
6658 SUPPORTED_100baseT_Half |
6659 SUPPORTED_100baseT_Full |
6660 SUPPORTED_1000baseT_Full |
6661 SUPPORTED_TP;
6662
Michael Chanb6016b72005-05-26 13:03:09 -07006663 }
6664
Michael Chan7b6b8342007-07-07 22:50:15 -07006665 spin_lock_bh(&bp->phy_lock);
6666 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006667 cmd->advertising = bp->advertising;
6668
6669 if (bp->autoneg & AUTONEG_SPEED) {
6670 cmd->autoneg = AUTONEG_ENABLE;
6671 }
6672 else {
6673 cmd->autoneg = AUTONEG_DISABLE;
6674 }
6675
6676 if (netif_carrier_ok(dev)) {
6677 cmd->speed = bp->line_speed;
6678 cmd->duplex = bp->duplex;
6679 }
6680 else {
6681 cmd->speed = -1;
6682 cmd->duplex = -1;
6683 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006684 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006685
6686 cmd->transceiver = XCVR_INTERNAL;
6687 cmd->phy_address = bp->phy_addr;
6688
6689 return 0;
6690}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006691
Michael Chanb6016b72005-05-26 13:03:09 -07006692static int
6693bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6694{
Michael Chan972ec0d2006-01-23 16:12:43 -08006695 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006696 u8 autoneg = bp->autoneg;
6697 u8 req_duplex = bp->req_duplex;
6698 u16 req_line_speed = bp->req_line_speed;
6699 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006700 int err = -EINVAL;
6701
6702 spin_lock_bh(&bp->phy_lock);
6703
6704 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6705 goto err_out_unlock;
6706
Michael Chan583c28e2008-01-21 19:51:35 -08006707 if (cmd->port != bp->phy_port &&
6708 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006709 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006710
Michael Chand6b14482008-07-14 22:37:21 -07006711 /* If device is down, we can store the settings only if the user
6712 * is setting the currently active port.
6713 */
6714 if (!netif_running(dev) && cmd->port != bp->phy_port)
6715 goto err_out_unlock;
6716
Michael Chanb6016b72005-05-26 13:03:09 -07006717 if (cmd->autoneg == AUTONEG_ENABLE) {
6718 autoneg |= AUTONEG_SPEED;
6719
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006720 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006721
6722 /* allow advertising 1 speed */
6723 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6724 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6725 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6726 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6727
Michael Chan7b6b8342007-07-07 22:50:15 -07006728 if (cmd->port == PORT_FIBRE)
6729 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006730
6731 advertising = cmd->advertising;
6732
Michael Chan27a005b2007-05-03 13:23:41 -07006733 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006734 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006735 (cmd->port == PORT_TP))
6736 goto err_out_unlock;
6737 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006738 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006739 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6740 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006741 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006742 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006743 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006744 else
Michael Chanb6016b72005-05-26 13:03:09 -07006745 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006746 }
6747 advertising |= ADVERTISED_Autoneg;
6748 }
6749 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006750 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006751 if ((cmd->speed != SPEED_1000 &&
6752 cmd->speed != SPEED_2500) ||
6753 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006754 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006755
6756 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006757 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006758 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006759 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006760 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6761 goto err_out_unlock;
6762
Michael Chanb6016b72005-05-26 13:03:09 -07006763 autoneg &= ~AUTONEG_SPEED;
6764 req_line_speed = cmd->speed;
6765 req_duplex = cmd->duplex;
6766 advertising = 0;
6767 }
6768
6769 bp->autoneg = autoneg;
6770 bp->advertising = advertising;
6771 bp->req_line_speed = req_line_speed;
6772 bp->req_duplex = req_duplex;
6773
Michael Chand6b14482008-07-14 22:37:21 -07006774 err = 0;
6775 /* If device is down, the new settings will be picked up when it is
6776 * brought up.
6777 */
6778 if (netif_running(dev))
6779 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006780
Michael Chan7b6b8342007-07-07 22:50:15 -07006781err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006782 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006783
Michael Chan7b6b8342007-07-07 22:50:15 -07006784 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006785}
6786
6787static void
6788bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6789{
Michael Chan972ec0d2006-01-23 16:12:43 -08006790 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006791
6792 strcpy(info->driver, DRV_MODULE_NAME);
6793 strcpy(info->version, DRV_MODULE_VERSION);
6794 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006795 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006796}
6797
Michael Chan244ac4f2006-03-20 17:48:46 -08006798#define BNX2_REGDUMP_LEN (32 * 1024)
6799
6800static int
6801bnx2_get_regs_len(struct net_device *dev)
6802{
6803 return BNX2_REGDUMP_LEN;
6804}
6805
6806static void
6807bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6808{
6809 u32 *p = _p, i, offset;
6810 u8 *orig_p = _p;
6811 struct bnx2 *bp = netdev_priv(dev);
6812 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6813 0x0800, 0x0880, 0x0c00, 0x0c10,
6814 0x0c30, 0x0d08, 0x1000, 0x101c,
6815 0x1040, 0x1048, 0x1080, 0x10a4,
6816 0x1400, 0x1490, 0x1498, 0x14f0,
6817 0x1500, 0x155c, 0x1580, 0x15dc,
6818 0x1600, 0x1658, 0x1680, 0x16d8,
6819 0x1800, 0x1820, 0x1840, 0x1854,
6820 0x1880, 0x1894, 0x1900, 0x1984,
6821 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6822 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6823 0x2000, 0x2030, 0x23c0, 0x2400,
6824 0x2800, 0x2820, 0x2830, 0x2850,
6825 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6826 0x3c00, 0x3c94, 0x4000, 0x4010,
6827 0x4080, 0x4090, 0x43c0, 0x4458,
6828 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6829 0x4fc0, 0x5010, 0x53c0, 0x5444,
6830 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6831 0x5fc0, 0x6000, 0x6400, 0x6428,
6832 0x6800, 0x6848, 0x684c, 0x6860,
6833 0x6888, 0x6910, 0x8000 };
6834
6835 regs->version = 0;
6836
6837 memset(p, 0, BNX2_REGDUMP_LEN);
6838
6839 if (!netif_running(bp->dev))
6840 return;
6841
6842 i = 0;
6843 offset = reg_boundaries[0];
6844 p += offset;
6845 while (offset < BNX2_REGDUMP_LEN) {
6846 *p++ = REG_RD(bp, offset);
6847 offset += 4;
6848 if (offset == reg_boundaries[i + 1]) {
6849 offset = reg_boundaries[i + 2];
6850 p = (u32 *) (orig_p + offset);
6851 i += 2;
6852 }
6853 }
6854}
6855
Michael Chanb6016b72005-05-26 13:03:09 -07006856static void
6857bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6858{
Michael Chan972ec0d2006-01-23 16:12:43 -08006859 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006860
David S. Millerf86e82f2008-01-21 17:15:40 -08006861 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006862 wol->supported = 0;
6863 wol->wolopts = 0;
6864 }
6865 else {
6866 wol->supported = WAKE_MAGIC;
6867 if (bp->wol)
6868 wol->wolopts = WAKE_MAGIC;
6869 else
6870 wol->wolopts = 0;
6871 }
6872 memset(&wol->sopass, 0, sizeof(wol->sopass));
6873}
6874
6875static int
6876bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6877{
Michael Chan972ec0d2006-01-23 16:12:43 -08006878 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006879
6880 if (wol->wolopts & ~WAKE_MAGIC)
6881 return -EINVAL;
6882
6883 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006884 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006885 return -EINVAL;
6886
6887 bp->wol = 1;
6888 }
6889 else {
6890 bp->wol = 0;
6891 }
6892 return 0;
6893}
6894
6895static int
6896bnx2_nway_reset(struct net_device *dev)
6897{
Michael Chan972ec0d2006-01-23 16:12:43 -08006898 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006899 u32 bmcr;
6900
Michael Chan9f52b562008-10-09 12:21:46 -07006901 if (!netif_running(dev))
6902 return -EAGAIN;
6903
Michael Chanb6016b72005-05-26 13:03:09 -07006904 if (!(bp->autoneg & AUTONEG_SPEED)) {
6905 return -EINVAL;
6906 }
6907
Michael Chanc770a652005-08-25 15:38:39 -07006908 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006909
Michael Chan583c28e2008-01-21 19:51:35 -08006910 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006911 int rc;
6912
6913 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6914 spin_unlock_bh(&bp->phy_lock);
6915 return rc;
6916 }
6917
Michael Chanb6016b72005-05-26 13:03:09 -07006918 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006919 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006920 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006921 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006922
6923 msleep(20);
6924
Michael Chanc770a652005-08-25 15:38:39 -07006925 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006926
Michael Chan40105c02008-11-12 16:02:45 -08006927 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006928 bp->serdes_an_pending = 1;
6929 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006930 }
6931
Michael Chanca58c3a2007-05-03 13:22:52 -07006932 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006933 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006934 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006935
Michael Chanc770a652005-08-25 15:38:39 -07006936 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006937
6938 return 0;
6939}
6940
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006941static u32
6942bnx2_get_link(struct net_device *dev)
6943{
6944 struct bnx2 *bp = netdev_priv(dev);
6945
6946 return bp->link_up;
6947}
6948
Michael Chanb6016b72005-05-26 13:03:09 -07006949static int
6950bnx2_get_eeprom_len(struct net_device *dev)
6951{
Michael Chan972ec0d2006-01-23 16:12:43 -08006952 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006953
Michael Chan1122db72006-01-23 16:11:42 -08006954 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006955 return 0;
6956
Michael Chan1122db72006-01-23 16:11:42 -08006957 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006958}
6959
6960static int
6961bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6962 u8 *eebuf)
6963{
Michael Chan972ec0d2006-01-23 16:12:43 -08006964 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006965 int rc;
6966
Michael Chan9f52b562008-10-09 12:21:46 -07006967 if (!netif_running(dev))
6968 return -EAGAIN;
6969
John W. Linville1064e942005-11-10 12:58:24 -08006970 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006971
6972 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6973
6974 return rc;
6975}
6976
6977static int
6978bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6979 u8 *eebuf)
6980{
Michael Chan972ec0d2006-01-23 16:12:43 -08006981 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006982 int rc;
6983
Michael Chan9f52b562008-10-09 12:21:46 -07006984 if (!netif_running(dev))
6985 return -EAGAIN;
6986
John W. Linville1064e942005-11-10 12:58:24 -08006987 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006988
6989 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6990
6991 return rc;
6992}
6993
6994static int
6995bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6996{
Michael Chan972ec0d2006-01-23 16:12:43 -08006997 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006998
6999 memset(coal, 0, sizeof(struct ethtool_coalesce));
7000
7001 coal->rx_coalesce_usecs = bp->rx_ticks;
7002 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7003 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7004 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7005
7006 coal->tx_coalesce_usecs = bp->tx_ticks;
7007 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7008 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7009 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7010
7011 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7012
7013 return 0;
7014}
7015
7016static int
7017bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7018{
Michael Chan972ec0d2006-01-23 16:12:43 -08007019 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007020
7021 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7022 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7023
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007024 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007025 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7026
7027 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7028 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7029
7030 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7031 if (bp->rx_quick_cons_trip_int > 0xff)
7032 bp->rx_quick_cons_trip_int = 0xff;
7033
7034 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7035 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7036
7037 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7038 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7039
7040 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7041 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7042
7043 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7044 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7045 0xff;
7046
7047 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007048 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007049 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7050 bp->stats_ticks = USEC_PER_SEC;
7051 }
Michael Chan7ea69202007-07-16 18:27:10 -07007052 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7053 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7054 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007055
7056 if (netif_running(bp->dev)) {
7057 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07007058 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007059 bnx2_netif_start(bp);
7060 }
7061
7062 return 0;
7063}
7064
7065static void
7066bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7067{
Michael Chan972ec0d2006-01-23 16:12:43 -08007068 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007069
Michael Chan13daffa2006-03-20 17:49:20 -08007070 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007071 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007072 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007073
7074 ering->rx_pending = bp->rx_ring_size;
7075 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007076 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007077
7078 ering->tx_max_pending = MAX_TX_DESC_CNT;
7079 ering->tx_pending = bp->tx_ring_size;
7080}
7081
7082static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007083bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007084{
Michael Chan13daffa2006-03-20 17:49:20 -08007085 if (netif_running(bp->dev)) {
7086 bnx2_netif_stop(bp);
7087 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7088 bnx2_free_skbs(bp);
7089 bnx2_free_mem(bp);
7090 }
7091
Michael Chan5d5d0012007-12-12 11:17:43 -08007092 bnx2_set_rx_ring_size(bp, rx);
7093 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007094
7095 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007096 int rc;
7097
7098 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb65e2009-08-21 16:20:45 +00007099 if (!rc)
7100 rc = bnx2_init_nic(bp, 0);
7101
7102 if (rc) {
7103 bnx2_napi_enable(bp);
7104 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007105 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007106 }
Michael Chanb6016b72005-05-26 13:03:09 -07007107 bnx2_netif_start(bp);
7108 }
Michael Chanb6016b72005-05-26 13:03:09 -07007109 return 0;
7110}
7111
Michael Chan5d5d0012007-12-12 11:17:43 -08007112static int
7113bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7114{
7115 struct bnx2 *bp = netdev_priv(dev);
7116 int rc;
7117
7118 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7119 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7120 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7121
7122 return -EINVAL;
7123 }
7124 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7125 return rc;
7126}
7127
Michael Chanb6016b72005-05-26 13:03:09 -07007128static void
7129bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7130{
Michael Chan972ec0d2006-01-23 16:12:43 -08007131 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007132
7133 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7134 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7135 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7136}
7137
7138static int
7139bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7140{
Michael Chan972ec0d2006-01-23 16:12:43 -08007141 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007142
7143 bp->req_flow_ctrl = 0;
7144 if (epause->rx_pause)
7145 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7146 if (epause->tx_pause)
7147 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7148
7149 if (epause->autoneg) {
7150 bp->autoneg |= AUTONEG_FLOW_CTRL;
7151 }
7152 else {
7153 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7154 }
7155
Michael Chan9f52b562008-10-09 12:21:46 -07007156 if (netif_running(dev)) {
7157 spin_lock_bh(&bp->phy_lock);
7158 bnx2_setup_phy(bp, bp->phy_port);
7159 spin_unlock_bh(&bp->phy_lock);
7160 }
Michael Chanb6016b72005-05-26 13:03:09 -07007161
7162 return 0;
7163}
7164
7165static u32
7166bnx2_get_rx_csum(struct net_device *dev)
7167{
Michael Chan972ec0d2006-01-23 16:12:43 -08007168 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007169
7170 return bp->rx_csum;
7171}
7172
7173static int
7174bnx2_set_rx_csum(struct net_device *dev, u32 data)
7175{
Michael Chan972ec0d2006-01-23 16:12:43 -08007176 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007177
7178 bp->rx_csum = data;
7179 return 0;
7180}
7181
Michael Chanb11d6212006-06-29 12:31:21 -07007182static int
7183bnx2_set_tso(struct net_device *dev, u32 data)
7184{
Michael Chan4666f872007-05-03 13:22:28 -07007185 struct bnx2 *bp = netdev_priv(dev);
7186
7187 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007188 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007189 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7190 dev->features |= NETIF_F_TSO6;
7191 } else
7192 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7193 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007194 return 0;
7195}
7196
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007197static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007198 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007199} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007200 { "rx_bytes" },
7201 { "rx_error_bytes" },
7202 { "tx_bytes" },
7203 { "tx_error_bytes" },
7204 { "rx_ucast_packets" },
7205 { "rx_mcast_packets" },
7206 { "rx_bcast_packets" },
7207 { "tx_ucast_packets" },
7208 { "tx_mcast_packets" },
7209 { "tx_bcast_packets" },
7210 { "tx_mac_errors" },
7211 { "tx_carrier_errors" },
7212 { "rx_crc_errors" },
7213 { "rx_align_errors" },
7214 { "tx_single_collisions" },
7215 { "tx_multi_collisions" },
7216 { "tx_deferred" },
7217 { "tx_excess_collisions" },
7218 { "tx_late_collisions" },
7219 { "tx_total_collisions" },
7220 { "rx_fragments" },
7221 { "rx_jabbers" },
7222 { "rx_undersize_packets" },
7223 { "rx_oversize_packets" },
7224 { "rx_64_byte_packets" },
7225 { "rx_65_to_127_byte_packets" },
7226 { "rx_128_to_255_byte_packets" },
7227 { "rx_256_to_511_byte_packets" },
7228 { "rx_512_to_1023_byte_packets" },
7229 { "rx_1024_to_1522_byte_packets" },
7230 { "rx_1523_to_9022_byte_packets" },
7231 { "tx_64_byte_packets" },
7232 { "tx_65_to_127_byte_packets" },
7233 { "tx_128_to_255_byte_packets" },
7234 { "tx_256_to_511_byte_packets" },
7235 { "tx_512_to_1023_byte_packets" },
7236 { "tx_1024_to_1522_byte_packets" },
7237 { "tx_1523_to_9022_byte_packets" },
7238 { "rx_xon_frames" },
7239 { "rx_xoff_frames" },
7240 { "tx_xon_frames" },
7241 { "tx_xoff_frames" },
7242 { "rx_mac_ctrl_frames" },
7243 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007244 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007245 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007246 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007247};
7248
Michael Chan790dab22009-08-21 16:20:47 +00007249#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7250 sizeof(bnx2_stats_str_arr[0]))
7251
Michael Chanb6016b72005-05-26 13:03:09 -07007252#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7253
Arjan van de Venf71e1302006-03-03 21:33:57 -05007254static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007255 STATS_OFFSET32(stat_IfHCInOctets_hi),
7256 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7257 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7258 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7259 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7260 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7261 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7262 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7263 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7264 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7265 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007266 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7267 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7268 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7269 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7270 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7271 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7272 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7273 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7274 STATS_OFFSET32(stat_EtherStatsCollisions),
7275 STATS_OFFSET32(stat_EtherStatsFragments),
7276 STATS_OFFSET32(stat_EtherStatsJabbers),
7277 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7278 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7279 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7280 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7281 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7282 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7283 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7284 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7285 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7286 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7287 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7288 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7289 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7290 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7291 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7292 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7293 STATS_OFFSET32(stat_XonPauseFramesReceived),
7294 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7295 STATS_OFFSET32(stat_OutXonSent),
7296 STATS_OFFSET32(stat_OutXoffSent),
7297 STATS_OFFSET32(stat_MacControlFramesReceived),
7298 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007299 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007300 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007301 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007302};
7303
7304/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7305 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007306 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007307static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007308 8,0,8,8,8,8,8,8,8,8,
7309 4,0,4,4,4,4,4,4,4,4,
7310 4,4,4,4,4,4,4,4,4,4,
7311 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007312 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007313};
7314
Michael Chan5b0c76a2005-11-04 08:45:49 -08007315static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7316 8,0,8,8,8,8,8,8,8,8,
7317 4,4,4,4,4,4,4,4,4,4,
7318 4,4,4,4,4,4,4,4,4,4,
7319 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007320 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007321};
7322
Michael Chanb6016b72005-05-26 13:03:09 -07007323#define BNX2_NUM_TESTS 6
7324
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007325static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007326 char string[ETH_GSTRING_LEN];
7327} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7328 { "register_test (offline)" },
7329 { "memory_test (offline)" },
7330 { "loopback_test (offline)" },
7331 { "nvram_test (online)" },
7332 { "interrupt_test (online)" },
7333 { "link_test (online)" },
7334};
7335
7336static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007337bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007338{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007339 switch (sset) {
7340 case ETH_SS_TEST:
7341 return BNX2_NUM_TESTS;
7342 case ETH_SS_STATS:
7343 return BNX2_NUM_STATS;
7344 default:
7345 return -EOPNOTSUPP;
7346 }
Michael Chanb6016b72005-05-26 13:03:09 -07007347}
7348
7349static void
7350bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7351{
Michael Chan972ec0d2006-01-23 16:12:43 -08007352 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007353
Michael Chan9f52b562008-10-09 12:21:46 -07007354 bnx2_set_power_state(bp, PCI_D0);
7355
Michael Chanb6016b72005-05-26 13:03:09 -07007356 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7357 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007358 int i;
7359
Michael Chanb6016b72005-05-26 13:03:09 -07007360 bnx2_netif_stop(bp);
7361 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7362 bnx2_free_skbs(bp);
7363
7364 if (bnx2_test_registers(bp) != 0) {
7365 buf[0] = 1;
7366 etest->flags |= ETH_TEST_FL_FAILED;
7367 }
7368 if (bnx2_test_memory(bp) != 0) {
7369 buf[1] = 1;
7370 etest->flags |= ETH_TEST_FL_FAILED;
7371 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007372 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007373 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007374
Michael Chan9f52b562008-10-09 12:21:46 -07007375 if (!netif_running(bp->dev))
7376 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007377 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007378 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007379 bnx2_netif_start(bp);
7380 }
7381
7382 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007383 for (i = 0; i < 7; i++) {
7384 if (bp->link_up)
7385 break;
7386 msleep_interruptible(1000);
7387 }
Michael Chanb6016b72005-05-26 13:03:09 -07007388 }
7389
7390 if (bnx2_test_nvram(bp) != 0) {
7391 buf[3] = 1;
7392 etest->flags |= ETH_TEST_FL_FAILED;
7393 }
7394 if (bnx2_test_intr(bp) != 0) {
7395 buf[4] = 1;
7396 etest->flags |= ETH_TEST_FL_FAILED;
7397 }
7398
7399 if (bnx2_test_link(bp) != 0) {
7400 buf[5] = 1;
7401 etest->flags |= ETH_TEST_FL_FAILED;
7402
7403 }
Michael Chan9f52b562008-10-09 12:21:46 -07007404 if (!netif_running(bp->dev))
7405 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007406}
7407
7408static void
7409bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7410{
7411 switch (stringset) {
7412 case ETH_SS_STATS:
7413 memcpy(buf, bnx2_stats_str_arr,
7414 sizeof(bnx2_stats_str_arr));
7415 break;
7416 case ETH_SS_TEST:
7417 memcpy(buf, bnx2_tests_str_arr,
7418 sizeof(bnx2_tests_str_arr));
7419 break;
7420 }
7421}
7422
Michael Chanb6016b72005-05-26 13:03:09 -07007423static void
7424bnx2_get_ethtool_stats(struct net_device *dev,
7425 struct ethtool_stats *stats, u64 *buf)
7426{
Michael Chan972ec0d2006-01-23 16:12:43 -08007427 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007428 int i;
7429 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007430 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007431
7432 if (hw_stats == NULL) {
7433 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7434 return;
7435 }
7436
Michael Chan5b0c76a2005-11-04 08:45:49 -08007437 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7438 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7439 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7440 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007441 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007442 else
7443 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007444
7445 for (i = 0; i < BNX2_NUM_STATS; i++) {
7446 if (stats_len_arr[i] == 0) {
7447 /* skip this counter */
7448 buf[i] = 0;
7449 continue;
7450 }
7451 if (stats_len_arr[i] == 4) {
7452 /* 4-byte counter */
7453 buf[i] = (u64)
7454 *(hw_stats + bnx2_stats_offset_arr[i]);
7455 continue;
7456 }
7457 /* 8-byte counter */
7458 buf[i] = (((u64) *(hw_stats +
7459 bnx2_stats_offset_arr[i])) << 32) +
7460 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7461 }
7462}
7463
7464static int
7465bnx2_phys_id(struct net_device *dev, u32 data)
7466{
Michael Chan972ec0d2006-01-23 16:12:43 -08007467 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007468 int i;
7469 u32 save;
7470
Michael Chan9f52b562008-10-09 12:21:46 -07007471 bnx2_set_power_state(bp, PCI_D0);
7472
Michael Chanb6016b72005-05-26 13:03:09 -07007473 if (data == 0)
7474 data = 2;
7475
7476 save = REG_RD(bp, BNX2_MISC_CFG);
7477 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7478
7479 for (i = 0; i < (data * 2); i++) {
7480 if ((i % 2) == 0) {
7481 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7482 }
7483 else {
7484 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7485 BNX2_EMAC_LED_1000MB_OVERRIDE |
7486 BNX2_EMAC_LED_100MB_OVERRIDE |
7487 BNX2_EMAC_LED_10MB_OVERRIDE |
7488 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7489 BNX2_EMAC_LED_TRAFFIC);
7490 }
7491 msleep_interruptible(500);
7492 if (signal_pending(current))
7493 break;
7494 }
7495 REG_WR(bp, BNX2_EMAC_LED, 0);
7496 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007497
7498 if (!netif_running(dev))
7499 bnx2_set_power_state(bp, PCI_D3hot);
7500
Michael Chanb6016b72005-05-26 13:03:09 -07007501 return 0;
7502}
7503
Michael Chan4666f872007-05-03 13:22:28 -07007504static int
7505bnx2_set_tx_csum(struct net_device *dev, u32 data)
7506{
7507 struct bnx2 *bp = netdev_priv(dev);
7508
7509 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007510 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007511 else
7512 return (ethtool_op_set_tx_csum(dev, data));
7513}
7514
Jeff Garzik7282d492006-09-13 14:30:00 -04007515static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007516 .get_settings = bnx2_get_settings,
7517 .set_settings = bnx2_set_settings,
7518 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007519 .get_regs_len = bnx2_get_regs_len,
7520 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007521 .get_wol = bnx2_get_wol,
7522 .set_wol = bnx2_set_wol,
7523 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007524 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007525 .get_eeprom_len = bnx2_get_eeprom_len,
7526 .get_eeprom = bnx2_get_eeprom,
7527 .set_eeprom = bnx2_set_eeprom,
7528 .get_coalesce = bnx2_get_coalesce,
7529 .set_coalesce = bnx2_set_coalesce,
7530 .get_ringparam = bnx2_get_ringparam,
7531 .set_ringparam = bnx2_set_ringparam,
7532 .get_pauseparam = bnx2_get_pauseparam,
7533 .set_pauseparam = bnx2_set_pauseparam,
7534 .get_rx_csum = bnx2_get_rx_csum,
7535 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007536 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007537 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007538 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007539 .self_test = bnx2_self_test,
7540 .get_strings = bnx2_get_strings,
7541 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007542 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007543 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007544};
7545
7546/* Called with rtnl_lock */
7547static int
7548bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7549{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007550 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007551 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007552 int err;
7553
7554 switch(cmd) {
7555 case SIOCGMIIPHY:
7556 data->phy_id = bp->phy_addr;
7557
7558 /* fallthru */
7559 case SIOCGMIIREG: {
7560 u32 mii_regval;
7561
Michael Chan583c28e2008-01-21 19:51:35 -08007562 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007563 return -EOPNOTSUPP;
7564
Michael Chandad3e452007-05-03 13:18:03 -07007565 if (!netif_running(dev))
7566 return -EAGAIN;
7567
Michael Chanc770a652005-08-25 15:38:39 -07007568 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007569 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007570 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007571
7572 data->val_out = mii_regval;
7573
7574 return err;
7575 }
7576
7577 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007578 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007579 return -EOPNOTSUPP;
7580
Michael Chandad3e452007-05-03 13:18:03 -07007581 if (!netif_running(dev))
7582 return -EAGAIN;
7583
Michael Chanc770a652005-08-25 15:38:39 -07007584 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007585 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007586 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007587
7588 return err;
7589
7590 default:
7591 /* do nothing */
7592 break;
7593 }
7594 return -EOPNOTSUPP;
7595}
7596
7597/* Called with rtnl_lock */
7598static int
7599bnx2_change_mac_addr(struct net_device *dev, void *p)
7600{
7601 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007602 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007603
Michael Chan73eef4c2005-08-25 15:39:15 -07007604 if (!is_valid_ether_addr(addr->sa_data))
7605 return -EINVAL;
7606
Michael Chanb6016b72005-05-26 13:03:09 -07007607 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7608 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007609 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007610
7611 return 0;
7612}
7613
7614/* Called with rtnl_lock */
7615static int
7616bnx2_change_mtu(struct net_device *dev, int new_mtu)
7617{
Michael Chan972ec0d2006-01-23 16:12:43 -08007618 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007619
7620 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7621 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7622 return -EINVAL;
7623
7624 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007625 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007626}
7627
7628#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7629static void
7630poll_bnx2(struct net_device *dev)
7631{
Michael Chan972ec0d2006-01-23 16:12:43 -08007632 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007633 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007634
Neil Hormanb2af2c12008-11-12 16:23:44 -08007635 for (i = 0; i < bp->irq_nvecs; i++) {
7636 disable_irq(bp->irq_tbl[i].vector);
7637 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7638 enable_irq(bp->irq_tbl[i].vector);
7639 }
Michael Chanb6016b72005-05-26 13:03:09 -07007640}
7641#endif
7642
Michael Chan253c8b72007-01-08 19:56:01 -08007643static void __devinit
7644bnx2_get_5709_media(struct bnx2 *bp)
7645{
7646 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7647 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7648 u32 strap;
7649
7650 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7651 return;
7652 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007653 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007654 return;
7655 }
7656
7657 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7658 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7659 else
7660 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7661
7662 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7663 switch (strap) {
7664 case 0x4:
7665 case 0x5:
7666 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007667 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007668 return;
7669 }
7670 } else {
7671 switch (strap) {
7672 case 0x1:
7673 case 0x2:
7674 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007675 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007676 return;
7677 }
7678 }
7679}
7680
Michael Chan883e5152007-05-03 13:25:11 -07007681static void __devinit
7682bnx2_get_pci_speed(struct bnx2 *bp)
7683{
7684 u32 reg;
7685
7686 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7687 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7688 u32 clkreg;
7689
David S. Millerf86e82f2008-01-21 17:15:40 -08007690 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007691
7692 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7693
7694 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7695 switch (clkreg) {
7696 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7697 bp->bus_speed_mhz = 133;
7698 break;
7699
7700 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7701 bp->bus_speed_mhz = 100;
7702 break;
7703
7704 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7705 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7706 bp->bus_speed_mhz = 66;
7707 break;
7708
7709 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7710 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7711 bp->bus_speed_mhz = 50;
7712 break;
7713
7714 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7715 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7716 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7717 bp->bus_speed_mhz = 33;
7718 break;
7719 }
7720 }
7721 else {
7722 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7723 bp->bus_speed_mhz = 66;
7724 else
7725 bp->bus_speed_mhz = 33;
7726 }
7727
7728 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007729 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007730
7731}
7732
Michael Chan76d99062009-12-03 09:46:34 +00007733static void __devinit
7734bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7735{
7736 int rc, i, v0_len = 0;
7737 u8 *data;
7738 u8 *v0_str = NULL;
7739 bool mn_match = false;
7740
Michael Chan012093f2009-12-03 15:58:00 -08007741#define BNX2_VPD_NVRAM_OFFSET 0x300
7742#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007743#define BNX2_MAX_VER_SLEN 30
7744
7745 data = kmalloc(256, GFP_KERNEL);
7746 if (!data)
7747 return;
7748
Michael Chan012093f2009-12-03 15:58:00 -08007749 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7750 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007751 if (rc)
7752 goto vpd_done;
7753
Michael Chan012093f2009-12-03 15:58:00 -08007754 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7755 data[i] = data[i + BNX2_VPD_LEN + 3];
7756 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7757 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7758 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007759 }
7760
Michael Chan012093f2009-12-03 15:58:00 -08007761 for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
Michael Chan76d99062009-12-03 09:46:34 +00007762 unsigned char val = data[i];
7763 unsigned int block_end;
7764
7765 if (val == 0x82 || val == 0x91) {
7766 i = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
7767 continue;
7768 }
7769
7770 if (val != 0x90)
7771 goto vpd_done;
7772
7773 block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
7774 i += 3;
7775
Michael Chan012093f2009-12-03 15:58:00 -08007776 if (block_end > BNX2_VPD_LEN)
Michael Chan76d99062009-12-03 09:46:34 +00007777 goto vpd_done;
7778
7779 while (i < (block_end - 2)) {
Michael Chan012093f2009-12-03 15:58:00 -08007780 int len = data[i + 2];
7781
7782 if (i + 3 + len > block_end)
7783 goto vpd_done;
7784
Michael Chan76d99062009-12-03 09:46:34 +00007785 if (data[i] == 'M' && data[i + 1] == 'N') {
Michael Chan012093f2009-12-03 15:58:00 -08007786 if (len != 4 ||
7787 memcmp(&data[i + 3], "1028", 4))
Michael Chan76d99062009-12-03 09:46:34 +00007788 goto vpd_done;
7789 mn_match = true;
Michael Chan76d99062009-12-03 09:46:34 +00007790
7791 } else if (data[i] == 'V' && data[i + 1] == '0') {
Michael Chan012093f2009-12-03 15:58:00 -08007792 if (len > BNX2_MAX_VER_SLEN)
Michael Chan76d99062009-12-03 09:46:34 +00007793 goto vpd_done;
7794
Michael Chan012093f2009-12-03 15:58:00 -08007795 v0_len = len;
7796 v0_str = &data[i + 3];
Michael Chan76d99062009-12-03 09:46:34 +00007797 }
Michael Chan012093f2009-12-03 15:58:00 -08007798 i += 3 + len;
Michael Chan76d99062009-12-03 09:46:34 +00007799
7800 if (mn_match && v0_str) {
7801 memcpy(bp->fw_version, v0_str, v0_len);
7802 bp->fw_version[v0_len] = ' ';
7803 goto vpd_done;
7804 }
7805 }
7806 goto vpd_done;
7807 }
7808
7809vpd_done:
7810 kfree(data);
7811}
7812
Michael Chanb6016b72005-05-26 13:03:09 -07007813static int __devinit
7814bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7815{
7816 struct bnx2 *bp;
7817 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007818 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007819 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007820 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007821
Michael Chanb6016b72005-05-26 13:03:09 -07007822 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007823 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007824
7825 bp->flags = 0;
7826 bp->phy_flags = 0;
7827
7828 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7829 rc = pci_enable_device(pdev);
7830 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007831 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007832 goto err_out;
7833 }
7834
7835 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007836 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007837 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007838 rc = -ENODEV;
7839 goto err_out_disable;
7840 }
7841
7842 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7843 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007844 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007845 goto err_out_disable;
7846 }
7847
7848 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007849 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007850
7851 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7852 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007853 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007854 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007855 rc = -EIO;
7856 goto err_out_release;
7857 }
7858
Michael Chanb6016b72005-05-26 13:03:09 -07007859 bp->dev = dev;
7860 bp->pdev = pdev;
7861
7862 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007863 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007864#ifdef BCM_CNIC
7865 mutex_init(&bp->cnic_lock);
7866#endif
David Howellsc4028952006-11-22 14:57:56 +00007867 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007868
7869 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007870 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007871 dev->mem_end = dev->mem_start + mem_len;
7872 dev->irq = pdev->irq;
7873
7874 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7875
7876 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007877 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007878 rc = -ENOMEM;
7879 goto err_out_release;
7880 }
7881
7882 /* Configure byte swap and enable write to the reg_window registers.
7883 * Rely on CPU to do target byte swapping on big endian systems
7884 * The chip's target access swapping will not swap all accesses
7885 */
7886 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7887 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7888 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7889
Pavel Machek829ca9a2005-09-03 15:56:56 -07007890 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007891
7892 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7893
Michael Chan883e5152007-05-03 13:25:11 -07007894 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7895 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7896 dev_err(&pdev->dev,
7897 "Cannot find PCIE capability, aborting.\n");
7898 rc = -EIO;
7899 goto err_out_unmap;
7900 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007901 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007902 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007903 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007904 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007905 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7906 if (bp->pcix_cap == 0) {
7907 dev_err(&pdev->dev,
7908 "Cannot find PCIX capability, aborting.\n");
7909 rc = -EIO;
7910 goto err_out_unmap;
7911 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007912 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007913 }
7914
Michael Chanb4b36042007-12-20 19:59:30 -08007915 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7916 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007917 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007918 }
7919
Michael Chan8e6a72c2007-05-03 13:24:48 -07007920 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7921 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007922 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007923 }
7924
Michael Chan40453c82007-05-03 13:19:18 -07007925 /* 5708 cannot support DMA addresses > 40-bit. */
7926 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007927 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007928 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007929 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007930
7931 /* Configure DMA attributes. */
7932 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7933 dev->features |= NETIF_F_HIGHDMA;
7934 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7935 if (rc) {
7936 dev_err(&pdev->dev,
7937 "pci_set_consistent_dma_mask failed, aborting.\n");
7938 goto err_out_unmap;
7939 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007940 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Michael Chan40453c82007-05-03 13:19:18 -07007941 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7942 goto err_out_unmap;
7943 }
7944
David S. Millerf86e82f2008-01-21 17:15:40 -08007945 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007946 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007947
7948 /* 5706A0 may falsely detect SERR and PERR. */
7949 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7950 reg = REG_RD(bp, PCI_COMMAND);
7951 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7952 REG_WR(bp, PCI_COMMAND, reg);
7953 }
7954 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007955 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007956
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007957 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007958 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007959 goto err_out_unmap;
7960 }
7961
7962 bnx2_init_nvram(bp);
7963
Michael Chan2726d6e2008-01-29 21:35:05 -08007964 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007965
7966 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007967 BNX2_SHM_HDR_SIGNATURE_SIG) {
7968 u32 off = PCI_FUNC(pdev->devfn) << 2;
7969
Michael Chan2726d6e2008-01-29 21:35:05 -08007970 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007971 } else
Michael Chane3648b32005-11-04 08:51:21 -08007972 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7973
Michael Chanb6016b72005-05-26 13:03:09 -07007974 /* Get the permanent MAC address. First we need to make sure the
7975 * firmware is actually running.
7976 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007977 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007978
7979 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7980 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007981 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007982 rc = -ENODEV;
7983 goto err_out_unmap;
7984 }
7985
Michael Chan76d99062009-12-03 09:46:34 +00007986 bnx2_read_vpd_fw_ver(bp);
7987
7988 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08007989 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00007990 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07007991 u8 num, k, skip0;
7992
Michael Chan76d99062009-12-03 09:46:34 +00007993 if (i == 0) {
7994 bp->fw_version[j++] = 'b';
7995 bp->fw_version[j++] = 'c';
7996 bp->fw_version[j++] = ' ';
7997 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07007998 num = (u8) (reg >> (24 - (i * 8)));
7999 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8000 if (num >= k || !skip0 || k == 1) {
8001 bp->fw_version[j++] = (num / k) + '0';
8002 skip0 = 0;
8003 }
8004 }
8005 if (i != 2)
8006 bp->fw_version[j++] = '.';
8007 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008008 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008009 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8010 bp->wol = 1;
8011
8012 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008013 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008014
8015 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008016 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008017 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8018 break;
8019 msleep(10);
8020 }
8021 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008022 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008023 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8024 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8025 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008026 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008027
Michael Chan76d99062009-12-03 09:46:34 +00008028 if (j < 32)
8029 bp->fw_version[j++] = ' ';
8030 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008031 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008032 reg = swab32(reg);
8033 memcpy(&bp->fw_version[j], &reg, 4);
8034 j += 4;
8035 }
8036 }
Michael Chanb6016b72005-05-26 13:03:09 -07008037
Michael Chan2726d6e2008-01-29 21:35:05 -08008038 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008039 bp->mac_addr[0] = (u8) (reg >> 8);
8040 bp->mac_addr[1] = (u8) reg;
8041
Michael Chan2726d6e2008-01-29 21:35:05 -08008042 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008043 bp->mac_addr[2] = (u8) (reg >> 24);
8044 bp->mac_addr[3] = (u8) (reg >> 16);
8045 bp->mac_addr[4] = (u8) (reg >> 8);
8046 bp->mac_addr[5] = (u8) reg;
8047
8048 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008049 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008050
8051 bp->rx_csum = 1;
8052
Michael Chancf7474a2009-08-21 16:20:48 +00008053 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008054 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008055 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008056 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008057
Michael Chancf7474a2009-08-21 16:20:48 +00008058 bp->rx_quick_cons_trip_int = 2;
8059 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008060 bp->rx_ticks_int = 18;
8061 bp->rx_ticks = 18;
8062
Michael Chan7ea69202007-07-16 18:27:10 -07008063 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008064
Benjamin Liac392ab2008-09-18 16:40:49 -07008065 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008066
Michael Chan5b0c76a2005-11-04 08:45:49 -08008067 bp->phy_addr = 1;
8068
Michael Chanb6016b72005-05-26 13:03:09 -07008069 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008070 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8071 bnx2_get_5709_media(bp);
8072 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008073 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008074
Michael Chan0d8a6572007-07-07 22:49:43 -07008075 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008076 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008077 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008078 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008079 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008080 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008081 bp->wol = 0;
8082 }
Michael Chan38ea3682008-02-23 19:48:57 -08008083 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8084 /* Don't do parallel detect on this board because of
8085 * some board problems. The link will not go down
8086 * if we do parallel detect.
8087 */
8088 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8089 pdev->subsystem_device == 0x310c)
8090 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8091 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008092 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008093 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008094 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008095 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008096 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8097 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008098 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008099 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8100 (CHIP_REV(bp) == CHIP_REV_Ax ||
8101 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008102 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008103
Michael Chan7c62e832008-07-14 22:39:03 -07008104 bnx2_init_fw_cap(bp);
8105
Michael Chan16088272006-06-12 22:16:43 -07008106 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8107 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008108 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8109 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008110 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008111 bp->wol = 0;
8112 }
Michael Chandda1e392006-01-23 16:08:14 -08008113
Michael Chanb6016b72005-05-26 13:03:09 -07008114 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8115 bp->tx_quick_cons_trip_int =
8116 bp->tx_quick_cons_trip;
8117 bp->tx_ticks_int = bp->tx_ticks;
8118 bp->rx_quick_cons_trip_int =
8119 bp->rx_quick_cons_trip;
8120 bp->rx_ticks_int = bp->rx_ticks;
8121 bp->comp_prod_trip_int = bp->comp_prod_trip;
8122 bp->com_ticks_int = bp->com_ticks;
8123 bp->cmd_ticks_int = bp->cmd_ticks;
8124 }
8125
Michael Chanf9317a42006-09-29 17:06:23 -07008126 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8127 *
8128 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8129 * with byte enables disabled on the unused 32-bit word. This is legal
8130 * but causes problems on the AMD 8132 which will eventually stop
8131 * responding after a while.
8132 *
8133 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008134 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008135 */
8136 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8137 struct pci_dev *amd_8132 = NULL;
8138
8139 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8140 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8141 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008142
Auke Kok44c10132007-06-08 15:46:36 -07008143 if (amd_8132->revision >= 0x10 &&
8144 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008145 disable_msi = 1;
8146 pci_dev_put(amd_8132);
8147 break;
8148 }
8149 }
8150 }
8151
Michael Chandeaf3912007-07-07 22:48:00 -07008152 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008153 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8154
Michael Chancd339a02005-08-25 15:35:24 -07008155 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008156 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008157 bp->timer.data = (unsigned long) bp;
8158 bp->timer.function = bnx2_timer;
8159
Michael Chanb6016b72005-05-26 13:03:09 -07008160 return 0;
8161
8162err_out_unmap:
8163 if (bp->regview) {
8164 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008165 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008166 }
8167
8168err_out_release:
8169 pci_release_regions(pdev);
8170
8171err_out_disable:
8172 pci_disable_device(pdev);
8173 pci_set_drvdata(pdev, NULL);
8174
8175err_out:
8176 return rc;
8177}
8178
Michael Chan883e5152007-05-03 13:25:11 -07008179static char * __devinit
8180bnx2_bus_string(struct bnx2 *bp, char *str)
8181{
8182 char *s = str;
8183
David S. Millerf86e82f2008-01-21 17:15:40 -08008184 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008185 s += sprintf(s, "PCI Express");
8186 } else {
8187 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008188 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008189 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008190 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008191 s += sprintf(s, " 32-bit");
8192 else
8193 s += sprintf(s, " 64-bit");
8194 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8195 }
8196 return str;
8197}
8198
Michael Chan2ba582b2007-12-21 15:04:49 -08008199static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008200bnx2_init_napi(struct bnx2 *bp)
8201{
Michael Chanb4b36042007-12-20 19:59:30 -08008202 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008203
Michael Chanb4b36042007-12-20 19:59:30 -08008204 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008205 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8206 int (*poll)(struct napi_struct *, int);
8207
8208 if (i == 0)
8209 poll = bnx2_poll;
8210 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008211 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008212
8213 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008214 bnapi->bp = bp;
8215 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008216}
8217
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008218static const struct net_device_ops bnx2_netdev_ops = {
8219 .ndo_open = bnx2_open,
8220 .ndo_start_xmit = bnx2_start_xmit,
8221 .ndo_stop = bnx2_close,
8222 .ndo_get_stats = bnx2_get_stats,
8223 .ndo_set_rx_mode = bnx2_set_rx_mode,
8224 .ndo_do_ioctl = bnx2_ioctl,
8225 .ndo_validate_addr = eth_validate_addr,
8226 .ndo_set_mac_address = bnx2_change_mac_addr,
8227 .ndo_change_mtu = bnx2_change_mtu,
8228 .ndo_tx_timeout = bnx2_tx_timeout,
8229#ifdef BCM_VLAN
8230 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8231#endif
8232#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
8233 .ndo_poll_controller = poll_bnx2,
8234#endif
8235};
8236
Eric Dumazet72dccb02009-07-23 02:01:38 +00008237static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8238{
8239#ifdef BCM_VLAN
8240 dev->vlan_features |= flags;
8241#endif
8242}
8243
Michael Chan35efa7c2007-12-20 19:56:37 -08008244static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008245bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8246{
8247 static int version_printed = 0;
8248 struct net_device *dev = NULL;
8249 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008250 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008251 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008252
8253 if (version_printed++ == 0)
8254 printk(KERN_INFO "%s", version);
8255
8256 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008257 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008258
8259 if (!dev)
8260 return -ENOMEM;
8261
8262 rc = bnx2_init_board(pdev, dev);
8263 if (rc < 0) {
8264 free_netdev(dev);
8265 return rc;
8266 }
8267
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008268 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008269 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008270 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008271
Michael Chan972ec0d2006-01-23 16:12:43 -08008272 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08008273 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008274
Michael Chan1b2f9222007-05-03 13:20:19 -07008275 pci_set_drvdata(pdev, dev);
8276
Michael Chan57579f72009-04-04 16:51:14 -07008277 rc = bnx2_request_firmware(bp);
8278 if (rc)
8279 goto error;
8280
Michael Chan1b2f9222007-05-03 13:20:19 -07008281 memcpy(dev->dev_addr, bp->mac_addr, 6);
8282 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008283
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008284 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008285 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8286 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008287 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008288 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8289 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008290#ifdef BCM_VLAN
8291 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8292#endif
8293 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008294 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8295 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008296 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008297 vlan_features_add(dev, NETIF_F_TSO6);
8298 }
Michael Chanb6016b72005-05-26 13:03:09 -07008299 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008300 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008301 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008302 }
8303
Michael Chan883e5152007-05-03 13:25:11 -07008304 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Johannes Berge1749612008-10-27 15:59:26 -07008305 "IRQ %d, node addr %pM\n",
Michael Chanb6016b72005-05-26 13:03:09 -07008306 dev->name,
Benjamin Lifbbf68b2008-09-18 16:40:03 -07008307 board_info[ent->driver_data].name,
Michael Chanb6016b72005-05-26 13:03:09 -07008308 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8309 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07008310 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07008311 dev->base_addr,
Johannes Berge1749612008-10-27 15:59:26 -07008312 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008313
Michael Chanb6016b72005-05-26 13:03:09 -07008314 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008315
8316error:
8317 if (bp->mips_firmware)
8318 release_firmware(bp->mips_firmware);
8319 if (bp->rv2p_firmware)
8320 release_firmware(bp->rv2p_firmware);
8321
8322 if (bp->regview)
8323 iounmap(bp->regview);
8324 pci_release_regions(pdev);
8325 pci_disable_device(pdev);
8326 pci_set_drvdata(pdev, NULL);
8327 free_netdev(dev);
8328 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008329}
8330
8331static void __devexit
8332bnx2_remove_one(struct pci_dev *pdev)
8333{
8334 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008335 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008336
Michael Chanafdc08b2005-08-25 15:34:29 -07008337 flush_scheduled_work();
8338
Michael Chanb6016b72005-05-26 13:03:09 -07008339 unregister_netdev(dev);
8340
Michael Chan57579f72009-04-04 16:51:14 -07008341 if (bp->mips_firmware)
8342 release_firmware(bp->mips_firmware);
8343 if (bp->rv2p_firmware)
8344 release_firmware(bp->rv2p_firmware);
8345
Michael Chanb6016b72005-05-26 13:03:09 -07008346 if (bp->regview)
8347 iounmap(bp->regview);
8348
8349 free_netdev(dev);
8350 pci_release_regions(pdev);
8351 pci_disable_device(pdev);
8352 pci_set_drvdata(pdev, NULL);
8353}
8354
8355static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008356bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008357{
8358 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008359 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008360
Michael Chan6caebb02007-08-03 20:57:25 -07008361 /* PCI register 4 needs to be saved whether netif_running() or not.
8362 * MSI address and data need to be saved if using MSI and
8363 * netif_running().
8364 */
8365 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008366 if (!netif_running(dev))
8367 return 0;
8368
Michael Chan1d60290f2006-03-20 17:50:08 -08008369 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07008370 bnx2_netif_stop(bp);
8371 netif_device_detach(dev);
8372 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008373 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008374 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008375 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008376 return 0;
8377}
8378
8379static int
8380bnx2_resume(struct pci_dev *pdev)
8381{
8382 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008383 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008384
Michael Chan6caebb02007-08-03 20:57:25 -07008385 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008386 if (!netif_running(dev))
8387 return 0;
8388
Pavel Machek829ca9a2005-09-03 15:56:56 -07008389 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008390 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008391 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07008392 bnx2_netif_start(bp);
8393 return 0;
8394}
8395
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008396/**
8397 * bnx2_io_error_detected - called when PCI error is detected
8398 * @pdev: Pointer to PCI device
8399 * @state: The current pci connection state
8400 *
8401 * This function is called after a PCI bus error affecting
8402 * this device has been detected.
8403 */
8404static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8405 pci_channel_state_t state)
8406{
8407 struct net_device *dev = pci_get_drvdata(pdev);
8408 struct bnx2 *bp = netdev_priv(dev);
8409
8410 rtnl_lock();
8411 netif_device_detach(dev);
8412
Dean Nelson2ec3de22009-07-31 09:13:18 +00008413 if (state == pci_channel_io_perm_failure) {
8414 rtnl_unlock();
8415 return PCI_ERS_RESULT_DISCONNECT;
8416 }
8417
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008418 if (netif_running(dev)) {
8419 bnx2_netif_stop(bp);
8420 del_timer_sync(&bp->timer);
8421 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8422 }
8423
8424 pci_disable_device(pdev);
8425 rtnl_unlock();
8426
8427 /* Request a slot slot reset. */
8428 return PCI_ERS_RESULT_NEED_RESET;
8429}
8430
8431/**
8432 * bnx2_io_slot_reset - called after the pci bus has been reset.
8433 * @pdev: Pointer to PCI device
8434 *
8435 * Restart the card from scratch, as if from a cold-boot.
8436 */
8437static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8438{
8439 struct net_device *dev = pci_get_drvdata(pdev);
8440 struct bnx2 *bp = netdev_priv(dev);
8441
8442 rtnl_lock();
8443 if (pci_enable_device(pdev)) {
8444 dev_err(&pdev->dev,
8445 "Cannot re-enable PCI device after reset.\n");
8446 rtnl_unlock();
8447 return PCI_ERS_RESULT_DISCONNECT;
8448 }
8449 pci_set_master(pdev);
8450 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008451 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008452
8453 if (netif_running(dev)) {
8454 bnx2_set_power_state(bp, PCI_D0);
8455 bnx2_init_nic(bp, 1);
8456 }
8457
8458 rtnl_unlock();
8459 return PCI_ERS_RESULT_RECOVERED;
8460}
8461
8462/**
8463 * bnx2_io_resume - called when traffic can start flowing again.
8464 * @pdev: Pointer to PCI device
8465 *
8466 * This callback is called when the error recovery driver tells us that
8467 * its OK to resume normal operation.
8468 */
8469static void bnx2_io_resume(struct pci_dev *pdev)
8470{
8471 struct net_device *dev = pci_get_drvdata(pdev);
8472 struct bnx2 *bp = netdev_priv(dev);
8473
8474 rtnl_lock();
8475 if (netif_running(dev))
8476 bnx2_netif_start(bp);
8477
8478 netif_device_attach(dev);
8479 rtnl_unlock();
8480}
8481
8482static struct pci_error_handlers bnx2_err_handler = {
8483 .error_detected = bnx2_io_error_detected,
8484 .slot_reset = bnx2_io_slot_reset,
8485 .resume = bnx2_io_resume,
8486};
8487
Michael Chanb6016b72005-05-26 13:03:09 -07008488static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008489 .name = DRV_MODULE_NAME,
8490 .id_table = bnx2_pci_tbl,
8491 .probe = bnx2_init_one,
8492 .remove = __devexit_p(bnx2_remove_one),
8493 .suspend = bnx2_suspend,
8494 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008495 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008496};
8497
8498static int __init bnx2_init(void)
8499{
Jeff Garzik29917622006-08-19 17:48:59 -04008500 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008501}
8502
8503static void __exit bnx2_cleanup(void)
8504{
8505 pci_unregister_driver(&bnx2_pci_driver);
8506}
8507
8508module_init(bnx2_init);
8509module_exit(bnx2_cleanup);
8510
8511
8512