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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanfeebb332008-01-21 17:07:29 -08003 * Copyright (c) 2004-2008 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>
38#ifdef NETIF_F_HW_VLAN_TX
39#include <linux/if_vlan.h>
40#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 Chanfba9fe92006-06-12 22:21:25 -070049#include <linux/zlib.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080050
Michael Chanb6016b72005-05-26 13:03:09 -070051#include "bnx2.h"
52#include "bnx2_fw.h"
Michael Chand43584c2006-11-19 14:14:35 -080053#include "bnx2_fw2.h"
Michael Chanb6016b72005-05-26 13:03:09 -070054
Michael Chan110d0ef2007-12-12 11:18:34 -080055#define FW_BUF_SIZE 0x10000
Denys Vlasenkob3448b02007-09-30 17:55:51 -070056
Michael Chanb6016b72005-05-26 13:03:09 -070057#define DRV_MODULE_NAME "bnx2"
58#define PFX DRV_MODULE_NAME ": "
Michael Chan8427f132008-06-19 16:44:44 -070059#define DRV_MODULE_VERSION "1.7.7"
60#define DRV_MODULE_RELDATE "June 17, 2008"
Michael Chanb6016b72005-05-26 13:03:09 -070061
62#define RUN_AT(x) (jiffies + (x))
63
64/* Time in jiffies before concluding the transmitter is hung. */
65#define TX_TIMEOUT (5*HZ)
66
Andrew Mortonfefa8642008-02-09 23:17:15 -080067static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070068 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
69
70MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Michael Chan8427f132008-06-19 16:44:44 -070071MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070072MODULE_LICENSE("GPL");
73MODULE_VERSION(DRV_MODULE_VERSION);
74
75static int disable_msi = 0;
76
77module_param(disable_msi, int, 0);
78MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
79
80typedef enum {
81 BCM5706 = 0,
82 NC370T,
83 NC370I,
84 BCM5706S,
85 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080086 BCM5708,
87 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -080088 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -070089 BCM5709S,
Michael Chanb6016b72005-05-26 13:03:09 -070090} board_t;
91
92/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -080093static struct {
Michael Chanb6016b72005-05-26 13:03:09 -070094 char *name;
95} board_info[] __devinitdata = {
96 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
97 { "HP NC370T Multifunction Gigabit Server Adapter" },
98 { "HP NC370i Multifunction Gigabit Server Adapter" },
99 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
100 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800101 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800103 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700104 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700105 };
106
107static struct pci_device_id bnx2_pci_tbl[] = {
108 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
109 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
110 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
111 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
112 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
117 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chanb6016b72005-05-26 13:03:09 -0700126 { 0, }
127};
128
129static struct flash_spec flash_table[] =
130{
Michael Chane30372c2007-07-16 18:26:23 -0700131#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700133 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800134 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700135 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700136 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800138 /* Expansion entry 0001 */
139 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700140 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800141 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700143 /* Saifun SA25F010 (non-buffered flash) */
144 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800145 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700146 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700147 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
148 "Non-buffered flash (128kB)"},
149 /* Saifun SA25F020 (non-buffered flash) */
150 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800151 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700152 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700153 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800155 /* Expansion entry 0100 */
156 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800158 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159 "Entry 0100"},
160 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400161 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700162 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800163 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
164 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
165 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
166 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800168 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
169 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
170 /* Saifun SA25F005 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
172 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
175 "Non-buffered flash (64kB)"},
176 /* Fast EEPROM */
177 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700178 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800179 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180 "EEPROM - fast"},
181 /* Expansion entry 1001 */
182 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700183 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800184 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185 "Entry 1001"},
186 /* Expansion entry 1010 */
187 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1010"},
191 /* ATMEL AT45DB011B (buffered flash) */
192 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700193 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195 "Buffered flash (128kB)"},
196 /* Expansion entry 1100 */
197 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700198 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200 "Entry 1100"},
201 /* Expansion entry 1101 */
202 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1101"},
206 /* Ateml Expansion entry 1110 */
207 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700208 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1110 (Atmel)"},
211 /* ATMEL AT45DB021B (buffered flash) */
212 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700216};
217
Michael Chane30372c2007-07-16 18:26:23 -0700218static struct flash_spec flash_5709 = {
219 .flags = BNX2_NV_BUFFERED,
220 .page_bits = BCM5709_FLASH_PAGE_BITS,
221 .page_size = BCM5709_FLASH_PAGE_SIZE,
222 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
223 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
224 .name = "5709 Buffered flash (256kB)",
225};
226
Michael Chanb6016b72005-05-26 13:03:09 -0700227MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
Michael Chan35e90102008-06-19 16:37:42 -0700229static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700230{
Michael Chan2f8af122006-08-15 01:39:10 -0700231 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700232
Michael Chan2f8af122006-08-15 01:39:10 -0700233 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800234
235 /* The ring uses 256 indices for 255 entries, one of them
236 * needs to be skipped.
237 */
Michael Chan35e90102008-06-19 16:37:42 -0700238 diff = txr->tx_prod - txr->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800239 if (unlikely(diff >= TX_DESC_CNT)) {
240 diff &= 0xffff;
241 if (diff == TX_DESC_CNT)
242 diff = MAX_TX_DESC_CNT;
243 }
Michael Chane89bbf12005-08-25 15:36:58 -0700244 return (bp->tx_ring_size - diff);
245}
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247static u32
248bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249{
Michael Chan1b8227c2007-05-03 13:24:05 -0700250 u32 val;
251
252 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700253 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700254 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255 spin_unlock_bh(&bp->indirect_lock);
256 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700257}
258
259static void
260bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261{
Michael Chan1b8227c2007-05-03 13:24:05 -0700262 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700263 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700265 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700266}
267
268static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800269bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270{
271 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272}
273
274static u32
275bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276{
277 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278}
279
280static void
Michael Chanb6016b72005-05-26 13:03:09 -0700281bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282{
283 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700284 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800285 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
286 int i;
287
288 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
289 REG_WR(bp, BNX2_CTX_CTX_CTRL,
290 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
291 for (i = 0; i < 5; i++) {
292 u32 val;
293 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
294 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
295 break;
296 udelay(5);
297 }
298 } else {
299 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
300 REG_WR(bp, BNX2_CTX_DATA, val);
301 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700302 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700303}
304
305static int
306bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307{
308 u32 val1;
309 int i, ret;
310
Michael Chan583c28e2008-01-21 19:51:35 -0800311 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700312 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
313 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
314
315 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
316 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317
318 udelay(40);
319 }
320
321 val1 = (bp->phy_addr << 21) | (reg << 16) |
322 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
323 BNX2_EMAC_MDIO_COMM_START_BUSY;
324 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
325
326 for (i = 0; i < 50; i++) {
327 udelay(10);
328
329 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
330 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
331 udelay(5);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
335
336 break;
337 }
338 }
339
340 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
341 *val = 0x0;
342 ret = -EBUSY;
343 }
344 else {
345 *val = val1;
346 ret = 0;
347 }
348
Michael Chan583c28e2008-01-21 19:51:35 -0800349 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700350 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
351 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
352
353 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
354 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355
356 udelay(40);
357 }
358
359 return ret;
360}
361
362static int
363bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364{
365 u32 val1;
366 int i, ret;
367
Michael Chan583c28e2008-01-21 19:51:35 -0800368 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700369 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
370 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
371
372 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
373 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374
375 udelay(40);
376 }
377
378 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
379 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
380 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
381 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400382
Michael Chanb6016b72005-05-26 13:03:09 -0700383 for (i = 0; i < 50; i++) {
384 udelay(10);
385
386 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
387 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
388 udelay(5);
389 break;
390 }
391 }
392
393 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
394 ret = -EBUSY;
395 else
396 ret = 0;
397
Michael Chan583c28e2008-01-21 19:51:35 -0800398 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700399 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
400 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
401
402 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
403 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404
405 udelay(40);
406 }
407
408 return ret;
409}
410
411static void
412bnx2_disable_int(struct bnx2 *bp)
413{
Michael Chanb4b36042007-12-20 19:59:30 -0800414 int i;
415 struct bnx2_napi *bnapi;
416
417 for (i = 0; i < bp->irq_nvecs; i++) {
418 bnapi = &bp->bnx2_napi[i];
419 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
420 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
421 }
Michael Chanb6016b72005-05-26 13:03:09 -0700422 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423}
424
425static void
426bnx2_enable_int(struct bnx2 *bp)
427{
Michael Chanb4b36042007-12-20 19:59:30 -0800428 int i;
429 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800430
Michael Chanb4b36042007-12-20 19:59:30 -0800431 for (i = 0; i < bp->irq_nvecs; i++) {
432 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800433
Michael Chanb4b36042007-12-20 19:59:30 -0800434 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
435 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
436 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
437 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700438
Michael Chanb4b36042007-12-20 19:59:30 -0800439 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
440 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
441 bnapi->last_status_idx);
442 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800443 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700444}
445
446static void
447bnx2_disable_int_sync(struct bnx2 *bp)
448{
Michael Chanb4b36042007-12-20 19:59:30 -0800449 int i;
450
Michael Chanb6016b72005-05-26 13:03:09 -0700451 atomic_inc(&bp->intr_sem);
452 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800453 for (i = 0; i < bp->irq_nvecs; i++)
454 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700455}
456
457static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800458bnx2_napi_disable(struct bnx2 *bp)
459{
Michael Chanb4b36042007-12-20 19:59:30 -0800460 int i;
461
462 for (i = 0; i < bp->irq_nvecs; i++)
463 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800464}
465
466static void
467bnx2_napi_enable(struct bnx2 *bp)
468{
Michael Chanb4b36042007-12-20 19:59:30 -0800469 int i;
470
471 for (i = 0; i < bp->irq_nvecs; i++)
472 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800473}
474
475static void
Michael Chanb6016b72005-05-26 13:03:09 -0700476bnx2_netif_stop(struct bnx2 *bp)
477{
478 bnx2_disable_int_sync(bp);
479 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800480 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700481 netif_tx_disable(bp->dev);
482 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483 }
484}
485
486static void
487bnx2_netif_start(struct bnx2 *bp)
488{
489 if (atomic_dec_and_test(&bp->intr_sem)) {
490 if (netif_running(bp->dev)) {
491 netif_wake_queue(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800492 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700493 bnx2_enable_int(bp);
494 }
495 }
496}
497
498static void
Michael Chan35e90102008-06-19 16:37:42 -0700499bnx2_free_tx_mem(struct bnx2 *bp)
500{
501 int i;
502
503 for (i = 0; i < bp->num_tx_rings; i++) {
504 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
505 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
506
507 if (txr->tx_desc_ring) {
508 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
509 txr->tx_desc_ring,
510 txr->tx_desc_mapping);
511 txr->tx_desc_ring = NULL;
512 }
513 kfree(txr->tx_buf_ring);
514 txr->tx_buf_ring = NULL;
515 }
516}
517
Michael Chanbb4f98a2008-06-19 16:38:19 -0700518static void
519bnx2_free_rx_mem(struct bnx2 *bp)
520{
521 int i;
522
523 for (i = 0; i < bp->num_rx_rings; i++) {
524 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
525 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
526 int j;
527
528 for (j = 0; j < bp->rx_max_ring; j++) {
529 if (rxr->rx_desc_ring[j])
530 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
531 rxr->rx_desc_ring[j],
532 rxr->rx_desc_mapping[j]);
533 rxr->rx_desc_ring[j] = NULL;
534 }
535 if (rxr->rx_buf_ring)
536 vfree(rxr->rx_buf_ring);
537 rxr->rx_buf_ring = NULL;
538
539 for (j = 0; j < bp->rx_max_pg_ring; j++) {
540 if (rxr->rx_pg_desc_ring[j])
541 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
542 rxr->rx_pg_desc_ring[i],
543 rxr->rx_pg_desc_mapping[i]);
544 rxr->rx_pg_desc_ring[i] = NULL;
545 }
546 if (rxr->rx_pg_ring)
547 vfree(rxr->rx_pg_ring);
548 rxr->rx_pg_ring = NULL;
549 }
550}
551
Michael Chan35e90102008-06-19 16:37:42 -0700552static int
553bnx2_alloc_tx_mem(struct bnx2 *bp)
554{
555 int i;
556
557 for (i = 0; i < bp->num_tx_rings; i++) {
558 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
559 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
560
561 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
562 if (txr->tx_buf_ring == NULL)
563 return -ENOMEM;
564
565 txr->tx_desc_ring =
566 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
567 &txr->tx_desc_mapping);
568 if (txr->tx_desc_ring == NULL)
569 return -ENOMEM;
570 }
571 return 0;
572}
573
Michael Chanbb4f98a2008-06-19 16:38:19 -0700574static int
575bnx2_alloc_rx_mem(struct bnx2 *bp)
576{
577 int i;
578
579 for (i = 0; i < bp->num_rx_rings; i++) {
580 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
581 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
582 int j;
583
584 rxr->rx_buf_ring =
585 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
586 if (rxr->rx_buf_ring == NULL)
587 return -ENOMEM;
588
589 memset(rxr->rx_buf_ring, 0,
590 SW_RXBD_RING_SIZE * bp->rx_max_ring);
591
592 for (j = 0; j < bp->rx_max_ring; j++) {
593 rxr->rx_desc_ring[j] =
594 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
595 &rxr->rx_desc_mapping[j]);
596 if (rxr->rx_desc_ring[j] == NULL)
597 return -ENOMEM;
598
599 }
600
601 if (bp->rx_pg_ring_size) {
602 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
603 bp->rx_max_pg_ring);
604 if (rxr->rx_pg_ring == NULL)
605 return -ENOMEM;
606
607 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
608 bp->rx_max_pg_ring);
609 }
610
611 for (j = 0; j < bp->rx_max_pg_ring; j++) {
612 rxr->rx_pg_desc_ring[j] =
613 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
614 &rxr->rx_pg_desc_mapping[j]);
615 if (rxr->rx_pg_desc_ring[j] == NULL)
616 return -ENOMEM;
617
618 }
619 }
620 return 0;
621}
622
Michael Chan35e90102008-06-19 16:37:42 -0700623static void
Michael Chanb6016b72005-05-26 13:03:09 -0700624bnx2_free_mem(struct bnx2 *bp)
625{
Michael Chan13daffa2006-03-20 17:49:20 -0800626 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700627 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800628
Michael Chan35e90102008-06-19 16:37:42 -0700629 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700630 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700631
Michael Chan59b47d82006-11-19 14:10:45 -0800632 for (i = 0; i < bp->ctx_pages; i++) {
633 if (bp->ctx_blk[i]) {
634 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
635 bp->ctx_blk[i],
636 bp->ctx_blk_mapping[i]);
637 bp->ctx_blk[i] = NULL;
638 }
639 }
Michael Chan43e80b82008-06-19 16:41:08 -0700640 if (bnapi->status_blk.msi) {
Michael Chan0f31f992006-03-23 01:12:38 -0800641 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chan43e80b82008-06-19 16:41:08 -0700642 bnapi->status_blk.msi,
643 bp->status_blk_mapping);
644 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800645 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700646 }
Michael Chanb6016b72005-05-26 13:03:09 -0700647}
648
649static int
650bnx2_alloc_mem(struct bnx2 *bp)
651{
Michael Chan35e90102008-06-19 16:37:42 -0700652 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700653 struct bnx2_napi *bnapi;
654 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700655
Michael Chan0f31f992006-03-23 01:12:38 -0800656 /* Combine status and statistics blocks into one allocation. */
657 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800658 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800659 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
660 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800661 bp->status_stats_size = status_blk_size +
662 sizeof(struct statistics_block);
663
Michael Chan43e80b82008-06-19 16:41:08 -0700664 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
665 &bp->status_blk_mapping);
666 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700667 goto alloc_mem_err;
668
Michael Chan43e80b82008-06-19 16:41:08 -0700669 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700670
Michael Chan43e80b82008-06-19 16:41:08 -0700671 bnapi = &bp->bnx2_napi[0];
672 bnapi->status_blk.msi = status_blk;
673 bnapi->hw_tx_cons_ptr =
674 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
675 bnapi->hw_rx_cons_ptr =
676 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800677 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800678 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700679 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800680
Michael Chan43e80b82008-06-19 16:41:08 -0700681 bnapi = &bp->bnx2_napi[i];
682
683 sblk = (void *) (status_blk +
684 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
685 bnapi->status_blk.msix = sblk;
686 bnapi->hw_tx_cons_ptr =
687 &sblk->status_tx_quick_consumer_index;
688 bnapi->hw_rx_cons_ptr =
689 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800690 bnapi->int_num = i << 24;
691 }
692 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800693
Michael Chan43e80b82008-06-19 16:41:08 -0700694 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700695
Michael Chan0f31f992006-03-23 01:12:38 -0800696 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700697
Michael Chan59b47d82006-11-19 14:10:45 -0800698 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
699 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
700 if (bp->ctx_pages == 0)
701 bp->ctx_pages = 1;
702 for (i = 0; i < bp->ctx_pages; i++) {
703 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
704 BCM_PAGE_SIZE,
705 &bp->ctx_blk_mapping[i]);
706 if (bp->ctx_blk[i] == NULL)
707 goto alloc_mem_err;
708 }
709 }
Michael Chan35e90102008-06-19 16:37:42 -0700710
Michael Chanbb4f98a2008-06-19 16:38:19 -0700711 err = bnx2_alloc_rx_mem(bp);
712 if (err)
713 goto alloc_mem_err;
714
Michael Chan35e90102008-06-19 16:37:42 -0700715 err = bnx2_alloc_tx_mem(bp);
716 if (err)
717 goto alloc_mem_err;
718
Michael Chanb6016b72005-05-26 13:03:09 -0700719 return 0;
720
721alloc_mem_err:
722 bnx2_free_mem(bp);
723 return -ENOMEM;
724}
725
726static void
Michael Chane3648b32005-11-04 08:51:21 -0800727bnx2_report_fw_link(struct bnx2 *bp)
728{
729 u32 fw_link_status = 0;
730
Michael Chan583c28e2008-01-21 19:51:35 -0800731 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700732 return;
733
Michael Chane3648b32005-11-04 08:51:21 -0800734 if (bp->link_up) {
735 u32 bmsr;
736
737 switch (bp->line_speed) {
738 case SPEED_10:
739 if (bp->duplex == DUPLEX_HALF)
740 fw_link_status = BNX2_LINK_STATUS_10HALF;
741 else
742 fw_link_status = BNX2_LINK_STATUS_10FULL;
743 break;
744 case SPEED_100:
745 if (bp->duplex == DUPLEX_HALF)
746 fw_link_status = BNX2_LINK_STATUS_100HALF;
747 else
748 fw_link_status = BNX2_LINK_STATUS_100FULL;
749 break;
750 case SPEED_1000:
751 if (bp->duplex == DUPLEX_HALF)
752 fw_link_status = BNX2_LINK_STATUS_1000HALF;
753 else
754 fw_link_status = BNX2_LINK_STATUS_1000FULL;
755 break;
756 case SPEED_2500:
757 if (bp->duplex == DUPLEX_HALF)
758 fw_link_status = BNX2_LINK_STATUS_2500HALF;
759 else
760 fw_link_status = BNX2_LINK_STATUS_2500FULL;
761 break;
762 }
763
764 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
765
766 if (bp->autoneg) {
767 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
768
Michael Chanca58c3a2007-05-03 13:22:52 -0700769 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
770 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800771
772 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800773 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800774 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
775 else
776 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
777 }
778 }
779 else
780 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
781
Michael Chan2726d6e2008-01-29 21:35:05 -0800782 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800783}
784
Michael Chan9b1084b2007-07-07 22:50:37 -0700785static char *
786bnx2_xceiver_str(struct bnx2 *bp)
787{
788 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800789 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700790 "Copper"));
791}
792
Michael Chane3648b32005-11-04 08:51:21 -0800793static void
Michael Chanb6016b72005-05-26 13:03:09 -0700794bnx2_report_link(struct bnx2 *bp)
795{
796 if (bp->link_up) {
797 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700798 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
799 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700800
801 printk("%d Mbps ", bp->line_speed);
802
803 if (bp->duplex == DUPLEX_FULL)
804 printk("full duplex");
805 else
806 printk("half duplex");
807
808 if (bp->flow_ctrl) {
809 if (bp->flow_ctrl & FLOW_CTRL_RX) {
810 printk(", receive ");
811 if (bp->flow_ctrl & FLOW_CTRL_TX)
812 printk("& transmit ");
813 }
814 else {
815 printk(", transmit ");
816 }
817 printk("flow control ON");
818 }
819 printk("\n");
820 }
821 else {
822 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700823 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
824 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700825 }
Michael Chane3648b32005-11-04 08:51:21 -0800826
827 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700828}
829
830static void
831bnx2_resolve_flow_ctrl(struct bnx2 *bp)
832{
833 u32 local_adv, remote_adv;
834
835 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400836 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -0700837 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
838
839 if (bp->duplex == DUPLEX_FULL) {
840 bp->flow_ctrl = bp->req_flow_ctrl;
841 }
842 return;
843 }
844
845 if (bp->duplex != DUPLEX_FULL) {
846 return;
847 }
848
Michael Chan583c28e2008-01-21 19:51:35 -0800849 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -0800850 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
851 u32 val;
852
853 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
854 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
855 bp->flow_ctrl |= FLOW_CTRL_TX;
856 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
857 bp->flow_ctrl |= FLOW_CTRL_RX;
858 return;
859 }
860
Michael Chanca58c3a2007-05-03 13:22:52 -0700861 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
862 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700863
Michael Chan583c28e2008-01-21 19:51:35 -0800864 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -0700865 u32 new_local_adv = 0;
866 u32 new_remote_adv = 0;
867
868 if (local_adv & ADVERTISE_1000XPAUSE)
869 new_local_adv |= ADVERTISE_PAUSE_CAP;
870 if (local_adv & ADVERTISE_1000XPSE_ASYM)
871 new_local_adv |= ADVERTISE_PAUSE_ASYM;
872 if (remote_adv & ADVERTISE_1000XPAUSE)
873 new_remote_adv |= ADVERTISE_PAUSE_CAP;
874 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
875 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
876
877 local_adv = new_local_adv;
878 remote_adv = new_remote_adv;
879 }
880
881 /* See Table 28B-3 of 802.3ab-1999 spec. */
882 if (local_adv & ADVERTISE_PAUSE_CAP) {
883 if(local_adv & ADVERTISE_PAUSE_ASYM) {
884 if (remote_adv & ADVERTISE_PAUSE_CAP) {
885 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
886 }
887 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
888 bp->flow_ctrl = FLOW_CTRL_RX;
889 }
890 }
891 else {
892 if (remote_adv & ADVERTISE_PAUSE_CAP) {
893 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
894 }
895 }
896 }
897 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
898 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
899 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
900
901 bp->flow_ctrl = FLOW_CTRL_TX;
902 }
903 }
904}
905
906static int
Michael Chan27a005b2007-05-03 13:23:41 -0700907bnx2_5709s_linkup(struct bnx2 *bp)
908{
909 u32 val, speed;
910
911 bp->link_up = 1;
912
913 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
914 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
915 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
916
917 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
918 bp->line_speed = bp->req_line_speed;
919 bp->duplex = bp->req_duplex;
920 return 0;
921 }
922 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
923 switch (speed) {
924 case MII_BNX2_GP_TOP_AN_SPEED_10:
925 bp->line_speed = SPEED_10;
926 break;
927 case MII_BNX2_GP_TOP_AN_SPEED_100:
928 bp->line_speed = SPEED_100;
929 break;
930 case MII_BNX2_GP_TOP_AN_SPEED_1G:
931 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
932 bp->line_speed = SPEED_1000;
933 break;
934 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
935 bp->line_speed = SPEED_2500;
936 break;
937 }
938 if (val & MII_BNX2_GP_TOP_AN_FD)
939 bp->duplex = DUPLEX_FULL;
940 else
941 bp->duplex = DUPLEX_HALF;
942 return 0;
943}
944
945static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800946bnx2_5708s_linkup(struct bnx2 *bp)
947{
948 u32 val;
949
950 bp->link_up = 1;
951 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
952 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
953 case BCM5708S_1000X_STAT1_SPEED_10:
954 bp->line_speed = SPEED_10;
955 break;
956 case BCM5708S_1000X_STAT1_SPEED_100:
957 bp->line_speed = SPEED_100;
958 break;
959 case BCM5708S_1000X_STAT1_SPEED_1G:
960 bp->line_speed = SPEED_1000;
961 break;
962 case BCM5708S_1000X_STAT1_SPEED_2G5:
963 bp->line_speed = SPEED_2500;
964 break;
965 }
966 if (val & BCM5708S_1000X_STAT1_FD)
967 bp->duplex = DUPLEX_FULL;
968 else
969 bp->duplex = DUPLEX_HALF;
970
971 return 0;
972}
973
974static int
975bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700976{
977 u32 bmcr, local_adv, remote_adv, common;
978
979 bp->link_up = 1;
980 bp->line_speed = SPEED_1000;
981
Michael Chanca58c3a2007-05-03 13:22:52 -0700982 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700983 if (bmcr & BMCR_FULLDPLX) {
984 bp->duplex = DUPLEX_FULL;
985 }
986 else {
987 bp->duplex = DUPLEX_HALF;
988 }
989
990 if (!(bmcr & BMCR_ANENABLE)) {
991 return 0;
992 }
993
Michael Chanca58c3a2007-05-03 13:22:52 -0700994 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
995 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700996
997 common = local_adv & remote_adv;
998 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
999
1000 if (common & ADVERTISE_1000XFULL) {
1001 bp->duplex = DUPLEX_FULL;
1002 }
1003 else {
1004 bp->duplex = DUPLEX_HALF;
1005 }
1006 }
1007
1008 return 0;
1009}
1010
1011static int
1012bnx2_copper_linkup(struct bnx2 *bp)
1013{
1014 u32 bmcr;
1015
Michael Chanca58c3a2007-05-03 13:22:52 -07001016 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001017 if (bmcr & BMCR_ANENABLE) {
1018 u32 local_adv, remote_adv, common;
1019
1020 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1021 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1022
1023 common = local_adv & (remote_adv >> 2);
1024 if (common & ADVERTISE_1000FULL) {
1025 bp->line_speed = SPEED_1000;
1026 bp->duplex = DUPLEX_FULL;
1027 }
1028 else if (common & ADVERTISE_1000HALF) {
1029 bp->line_speed = SPEED_1000;
1030 bp->duplex = DUPLEX_HALF;
1031 }
1032 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001033 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1034 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001035
1036 common = local_adv & remote_adv;
1037 if (common & ADVERTISE_100FULL) {
1038 bp->line_speed = SPEED_100;
1039 bp->duplex = DUPLEX_FULL;
1040 }
1041 else if (common & ADVERTISE_100HALF) {
1042 bp->line_speed = SPEED_100;
1043 bp->duplex = DUPLEX_HALF;
1044 }
1045 else if (common & ADVERTISE_10FULL) {
1046 bp->line_speed = SPEED_10;
1047 bp->duplex = DUPLEX_FULL;
1048 }
1049 else if (common & ADVERTISE_10HALF) {
1050 bp->line_speed = SPEED_10;
1051 bp->duplex = DUPLEX_HALF;
1052 }
1053 else {
1054 bp->line_speed = 0;
1055 bp->link_up = 0;
1056 }
1057 }
1058 }
1059 else {
1060 if (bmcr & BMCR_SPEED100) {
1061 bp->line_speed = SPEED_100;
1062 }
1063 else {
1064 bp->line_speed = SPEED_10;
1065 }
1066 if (bmcr & BMCR_FULLDPLX) {
1067 bp->duplex = DUPLEX_FULL;
1068 }
1069 else {
1070 bp->duplex = DUPLEX_HALF;
1071 }
1072 }
1073
1074 return 0;
1075}
1076
Michael Chan83e3fc82008-01-29 21:37:17 -08001077static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001078bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001079{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001080 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001081
1082 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1083 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1084 val |= 0x02 << 8;
1085
1086 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1087 u32 lo_water, hi_water;
1088
1089 if (bp->flow_ctrl & FLOW_CTRL_TX)
1090 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1091 else
1092 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1093 if (lo_water >= bp->rx_ring_size)
1094 lo_water = 0;
1095
1096 hi_water = bp->rx_ring_size / 4;
1097
1098 if (hi_water <= lo_water)
1099 lo_water = 0;
1100
1101 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1102 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1103
1104 if (hi_water > 0xf)
1105 hi_water = 0xf;
1106 else if (hi_water == 0)
1107 lo_water = 0;
1108 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1109 }
1110 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1111}
1112
Michael Chanbb4f98a2008-06-19 16:38:19 -07001113static void
1114bnx2_init_all_rx_contexts(struct bnx2 *bp)
1115{
1116 int i;
1117 u32 cid;
1118
1119 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1120 if (i == 1)
1121 cid = RX_RSS_CID;
1122 bnx2_init_rx_context(bp, cid);
1123 }
1124}
1125
Michael Chanb6016b72005-05-26 13:03:09 -07001126static int
1127bnx2_set_mac_link(struct bnx2 *bp)
1128{
1129 u32 val;
1130
1131 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1132 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1133 (bp->duplex == DUPLEX_HALF)) {
1134 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1135 }
1136
1137 /* Configure the EMAC mode register. */
1138 val = REG_RD(bp, BNX2_EMAC_MODE);
1139
1140 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001141 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001142 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001143
1144 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001145 switch (bp->line_speed) {
1146 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001147 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1148 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001149 break;
1150 }
1151 /* fall through */
1152 case SPEED_100:
1153 val |= BNX2_EMAC_MODE_PORT_MII;
1154 break;
1155 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001156 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001157 /* fall through */
1158 case SPEED_1000:
1159 val |= BNX2_EMAC_MODE_PORT_GMII;
1160 break;
1161 }
Michael Chanb6016b72005-05-26 13:03:09 -07001162 }
1163 else {
1164 val |= BNX2_EMAC_MODE_PORT_GMII;
1165 }
1166
1167 /* Set the MAC to operate in the appropriate duplex mode. */
1168 if (bp->duplex == DUPLEX_HALF)
1169 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1170 REG_WR(bp, BNX2_EMAC_MODE, val);
1171
1172 /* Enable/disable rx PAUSE. */
1173 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1174
1175 if (bp->flow_ctrl & FLOW_CTRL_RX)
1176 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1177 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1178
1179 /* Enable/disable tx PAUSE. */
1180 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1181 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1182
1183 if (bp->flow_ctrl & FLOW_CTRL_TX)
1184 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1185 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1186
1187 /* Acknowledge the interrupt. */
1188 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1189
Michael Chan83e3fc82008-01-29 21:37:17 -08001190 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chanbb4f98a2008-06-19 16:38:19 -07001191 bnx2_init_all_rx_contexts(bp);
Michael Chan83e3fc82008-01-29 21:37:17 -08001192
Michael Chanb6016b72005-05-26 13:03:09 -07001193 return 0;
1194}
1195
Michael Chan27a005b2007-05-03 13:23:41 -07001196static void
1197bnx2_enable_bmsr1(struct bnx2 *bp)
1198{
Michael Chan583c28e2008-01-21 19:51:35 -08001199 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001200 (CHIP_NUM(bp) == CHIP_NUM_5709))
1201 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1202 MII_BNX2_BLK_ADDR_GP_STATUS);
1203}
1204
1205static void
1206bnx2_disable_bmsr1(struct bnx2 *bp)
1207{
Michael Chan583c28e2008-01-21 19:51:35 -08001208 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001209 (CHIP_NUM(bp) == CHIP_NUM_5709))
1210 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1211 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1212}
1213
Michael Chanb6016b72005-05-26 13:03:09 -07001214static int
Michael Chan605a9e22007-05-03 13:23:13 -07001215bnx2_test_and_enable_2g5(struct bnx2 *bp)
1216{
1217 u32 up1;
1218 int ret = 1;
1219
Michael Chan583c28e2008-01-21 19:51:35 -08001220 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001221 return 0;
1222
1223 if (bp->autoneg & AUTONEG_SPEED)
1224 bp->advertising |= ADVERTISED_2500baseX_Full;
1225
Michael Chan27a005b2007-05-03 13:23:41 -07001226 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1227 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1228
Michael Chan605a9e22007-05-03 13:23:13 -07001229 bnx2_read_phy(bp, bp->mii_up1, &up1);
1230 if (!(up1 & BCM5708S_UP1_2G5)) {
1231 up1 |= BCM5708S_UP1_2G5;
1232 bnx2_write_phy(bp, bp->mii_up1, up1);
1233 ret = 0;
1234 }
1235
Michael Chan27a005b2007-05-03 13:23:41 -07001236 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1237 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1238 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1239
Michael Chan605a9e22007-05-03 13:23:13 -07001240 return ret;
1241}
1242
1243static int
1244bnx2_test_and_disable_2g5(struct bnx2 *bp)
1245{
1246 u32 up1;
1247 int ret = 0;
1248
Michael Chan583c28e2008-01-21 19:51:35 -08001249 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001250 return 0;
1251
Michael Chan27a005b2007-05-03 13:23:41 -07001252 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1253 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1254
Michael Chan605a9e22007-05-03 13:23:13 -07001255 bnx2_read_phy(bp, bp->mii_up1, &up1);
1256 if (up1 & BCM5708S_UP1_2G5) {
1257 up1 &= ~BCM5708S_UP1_2G5;
1258 bnx2_write_phy(bp, bp->mii_up1, up1);
1259 ret = 1;
1260 }
1261
Michael Chan27a005b2007-05-03 13:23:41 -07001262 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1263 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1264 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1265
Michael Chan605a9e22007-05-03 13:23:13 -07001266 return ret;
1267}
1268
1269static void
1270bnx2_enable_forced_2g5(struct bnx2 *bp)
1271{
1272 u32 bmcr;
1273
Michael Chan583c28e2008-01-21 19:51:35 -08001274 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001275 return;
1276
Michael Chan27a005b2007-05-03 13:23:41 -07001277 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1278 u32 val;
1279
1280 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1281 MII_BNX2_BLK_ADDR_SERDES_DIG);
1282 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1283 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1284 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1285 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1286
1287 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1288 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1289 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1290
1291 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001292 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1293 bmcr |= BCM5708S_BMCR_FORCE_2500;
1294 }
1295
1296 if (bp->autoneg & AUTONEG_SPEED) {
1297 bmcr &= ~BMCR_ANENABLE;
1298 if (bp->req_duplex == DUPLEX_FULL)
1299 bmcr |= BMCR_FULLDPLX;
1300 }
1301 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1302}
1303
1304static void
1305bnx2_disable_forced_2g5(struct bnx2 *bp)
1306{
1307 u32 bmcr;
1308
Michael Chan583c28e2008-01-21 19:51:35 -08001309 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001310 return;
1311
Michael Chan27a005b2007-05-03 13:23:41 -07001312 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1313 u32 val;
1314
1315 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1316 MII_BNX2_BLK_ADDR_SERDES_DIG);
1317 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1318 val &= ~MII_BNX2_SD_MISC1_FORCE;
1319 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1320
1321 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1322 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1323 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1324
1325 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001326 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1327 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1328 }
1329
1330 if (bp->autoneg & AUTONEG_SPEED)
1331 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1332 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1333}
1334
Michael Chanb2fadea2008-01-21 17:07:06 -08001335static void
1336bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1337{
1338 u32 val;
1339
1340 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1341 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1342 if (start)
1343 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1344 else
1345 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1346}
1347
Michael Chan605a9e22007-05-03 13:23:13 -07001348static int
Michael Chanb6016b72005-05-26 13:03:09 -07001349bnx2_set_link(struct bnx2 *bp)
1350{
1351 u32 bmsr;
1352 u8 link_up;
1353
Michael Chan80be4432006-11-19 14:07:28 -08001354 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001355 bp->link_up = 1;
1356 return 0;
1357 }
1358
Michael Chan583c28e2008-01-21 19:51:35 -08001359 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001360 return 0;
1361
Michael Chanb6016b72005-05-26 13:03:09 -07001362 link_up = bp->link_up;
1363
Michael Chan27a005b2007-05-03 13:23:41 -07001364 bnx2_enable_bmsr1(bp);
1365 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1366 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1367 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001368
Michael Chan583c28e2008-01-21 19:51:35 -08001369 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001370 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001371 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001372
Michael Chan583c28e2008-01-21 19:51:35 -08001373 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001374 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001375 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001376 }
Michael Chanb6016b72005-05-26 13:03:09 -07001377 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001378
1379 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1380 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1381 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1382
1383 if ((val & BNX2_EMAC_STATUS_LINK) &&
1384 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001385 bmsr |= BMSR_LSTATUS;
1386 else
1387 bmsr &= ~BMSR_LSTATUS;
1388 }
1389
1390 if (bmsr & BMSR_LSTATUS) {
1391 bp->link_up = 1;
1392
Michael Chan583c28e2008-01-21 19:51:35 -08001393 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001394 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1395 bnx2_5706s_linkup(bp);
1396 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1397 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001398 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1399 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001400 }
1401 else {
1402 bnx2_copper_linkup(bp);
1403 }
1404 bnx2_resolve_flow_ctrl(bp);
1405 }
1406 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001407 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001408 (bp->autoneg & AUTONEG_SPEED))
1409 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001410
Michael Chan583c28e2008-01-21 19:51:35 -08001411 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001412 u32 bmcr;
1413
1414 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1415 bmcr |= BMCR_ANENABLE;
1416 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1417
Michael Chan583c28e2008-01-21 19:51:35 -08001418 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001419 }
Michael Chanb6016b72005-05-26 13:03:09 -07001420 bp->link_up = 0;
1421 }
1422
1423 if (bp->link_up != link_up) {
1424 bnx2_report_link(bp);
1425 }
1426
1427 bnx2_set_mac_link(bp);
1428
1429 return 0;
1430}
1431
1432static int
1433bnx2_reset_phy(struct bnx2 *bp)
1434{
1435 int i;
1436 u32 reg;
1437
Michael Chanca58c3a2007-05-03 13:22:52 -07001438 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001439
1440#define PHY_RESET_MAX_WAIT 100
1441 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1442 udelay(10);
1443
Michael Chanca58c3a2007-05-03 13:22:52 -07001444 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001445 if (!(reg & BMCR_RESET)) {
1446 udelay(20);
1447 break;
1448 }
1449 }
1450 if (i == PHY_RESET_MAX_WAIT) {
1451 return -EBUSY;
1452 }
1453 return 0;
1454}
1455
1456static u32
1457bnx2_phy_get_pause_adv(struct bnx2 *bp)
1458{
1459 u32 adv = 0;
1460
1461 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1462 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1463
Michael Chan583c28e2008-01-21 19:51:35 -08001464 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001465 adv = ADVERTISE_1000XPAUSE;
1466 }
1467 else {
1468 adv = ADVERTISE_PAUSE_CAP;
1469 }
1470 }
1471 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001472 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001473 adv = ADVERTISE_1000XPSE_ASYM;
1474 }
1475 else {
1476 adv = ADVERTISE_PAUSE_ASYM;
1477 }
1478 }
1479 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001480 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001481 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1482 }
1483 else {
1484 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1485 }
1486 }
1487 return adv;
1488}
1489
Michael Chan0d8a6572007-07-07 22:49:43 -07001490static int bnx2_fw_sync(struct bnx2 *, u32, int);
1491
Michael Chanb6016b72005-05-26 13:03:09 -07001492static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001493bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1494{
1495 u32 speed_arg = 0, pause_adv;
1496
1497 pause_adv = bnx2_phy_get_pause_adv(bp);
1498
1499 if (bp->autoneg & AUTONEG_SPEED) {
1500 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1501 if (bp->advertising & ADVERTISED_10baseT_Half)
1502 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1503 if (bp->advertising & ADVERTISED_10baseT_Full)
1504 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1505 if (bp->advertising & ADVERTISED_100baseT_Half)
1506 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1507 if (bp->advertising & ADVERTISED_100baseT_Full)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1509 if (bp->advertising & ADVERTISED_1000baseT_Full)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1511 if (bp->advertising & ADVERTISED_2500baseX_Full)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1513 } else {
1514 if (bp->req_line_speed == SPEED_2500)
1515 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1516 else if (bp->req_line_speed == SPEED_1000)
1517 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1518 else if (bp->req_line_speed == SPEED_100) {
1519 if (bp->req_duplex == DUPLEX_FULL)
1520 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1521 else
1522 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1523 } else if (bp->req_line_speed == SPEED_10) {
1524 if (bp->req_duplex == DUPLEX_FULL)
1525 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1526 else
1527 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1528 }
1529 }
1530
1531 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1532 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001533 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001534 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1535
1536 if (port == PORT_TP)
1537 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1538 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1539
Michael Chan2726d6e2008-01-29 21:35:05 -08001540 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001541
1542 spin_unlock_bh(&bp->phy_lock);
1543 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1544 spin_lock_bh(&bp->phy_lock);
1545
1546 return 0;
1547}
1548
1549static int
1550bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001551{
Michael Chan605a9e22007-05-03 13:23:13 -07001552 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001553 u32 new_adv = 0;
1554
Michael Chan583c28e2008-01-21 19:51:35 -08001555 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001556 return (bnx2_setup_remote_phy(bp, port));
1557
Michael Chanb6016b72005-05-26 13:03:09 -07001558 if (!(bp->autoneg & AUTONEG_SPEED)) {
1559 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001560 int force_link_down = 0;
1561
Michael Chan605a9e22007-05-03 13:23:13 -07001562 if (bp->req_line_speed == SPEED_2500) {
1563 if (!bnx2_test_and_enable_2g5(bp))
1564 force_link_down = 1;
1565 } else if (bp->req_line_speed == SPEED_1000) {
1566 if (bnx2_test_and_disable_2g5(bp))
1567 force_link_down = 1;
1568 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001569 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001570 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1571
Michael Chanca58c3a2007-05-03 13:22:52 -07001572 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001573 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001574 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001575
Michael Chan27a005b2007-05-03 13:23:41 -07001576 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1577 if (bp->req_line_speed == SPEED_2500)
1578 bnx2_enable_forced_2g5(bp);
1579 else if (bp->req_line_speed == SPEED_1000) {
1580 bnx2_disable_forced_2g5(bp);
1581 new_bmcr &= ~0x2000;
1582 }
1583
1584 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001585 if (bp->req_line_speed == SPEED_2500)
1586 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1587 else
1588 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001589 }
1590
Michael Chanb6016b72005-05-26 13:03:09 -07001591 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001592 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001593 new_bmcr |= BMCR_FULLDPLX;
1594 }
1595 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001596 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001597 new_bmcr &= ~BMCR_FULLDPLX;
1598 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001599 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001600 /* Force a link down visible on the other side */
1601 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001602 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001603 ~(ADVERTISE_1000XFULL |
1604 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001605 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001606 BMCR_ANRESTART | BMCR_ANENABLE);
1607
1608 bp->link_up = 0;
1609 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001610 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001611 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001612 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001613 bnx2_write_phy(bp, bp->mii_adv, adv);
1614 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001615 } else {
1616 bnx2_resolve_flow_ctrl(bp);
1617 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001618 }
1619 return 0;
1620 }
1621
Michael Chan605a9e22007-05-03 13:23:13 -07001622 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001623
Michael Chanb6016b72005-05-26 13:03:09 -07001624 if (bp->advertising & ADVERTISED_1000baseT_Full)
1625 new_adv |= ADVERTISE_1000XFULL;
1626
1627 new_adv |= bnx2_phy_get_pause_adv(bp);
1628
Michael Chanca58c3a2007-05-03 13:22:52 -07001629 bnx2_read_phy(bp, bp->mii_adv, &adv);
1630 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001631
1632 bp->serdes_an_pending = 0;
1633 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1634 /* Force a link down visible on the other side */
1635 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001636 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001637 spin_unlock_bh(&bp->phy_lock);
1638 msleep(20);
1639 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001640 }
1641
Michael Chanca58c3a2007-05-03 13:22:52 -07001642 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1643 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001644 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001645 /* Speed up link-up time when the link partner
1646 * does not autonegotiate which is very common
1647 * in blade servers. Some blade servers use
1648 * IPMI for kerboard input and it's important
1649 * to minimize link disruptions. Autoneg. involves
1650 * exchanging base pages plus 3 next pages and
1651 * normally completes in about 120 msec.
1652 */
1653 bp->current_interval = SERDES_AN_TIMEOUT;
1654 bp->serdes_an_pending = 1;
1655 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001656 } else {
1657 bnx2_resolve_flow_ctrl(bp);
1658 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001659 }
1660
1661 return 0;
1662}
1663
1664#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001665 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001666 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1667 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001668
1669#define ETHTOOL_ALL_COPPER_SPEED \
1670 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1671 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1672 ADVERTISED_1000baseT_Full)
1673
1674#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1675 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001676
Michael Chanb6016b72005-05-26 13:03:09 -07001677#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1678
Michael Chandeaf3912007-07-07 22:48:00 -07001679static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001680bnx2_set_default_remote_link(struct bnx2 *bp)
1681{
1682 u32 link;
1683
1684 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001685 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001686 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001687 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001688
1689 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1690 bp->req_line_speed = 0;
1691 bp->autoneg |= AUTONEG_SPEED;
1692 bp->advertising = ADVERTISED_Autoneg;
1693 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1694 bp->advertising |= ADVERTISED_10baseT_Half;
1695 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1696 bp->advertising |= ADVERTISED_10baseT_Full;
1697 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1698 bp->advertising |= ADVERTISED_100baseT_Half;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1700 bp->advertising |= ADVERTISED_100baseT_Full;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1702 bp->advertising |= ADVERTISED_1000baseT_Full;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1704 bp->advertising |= ADVERTISED_2500baseX_Full;
1705 } else {
1706 bp->autoneg = 0;
1707 bp->advertising = 0;
1708 bp->req_duplex = DUPLEX_FULL;
1709 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1710 bp->req_line_speed = SPEED_10;
1711 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1712 bp->req_duplex = DUPLEX_HALF;
1713 }
1714 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1715 bp->req_line_speed = SPEED_100;
1716 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1717 bp->req_duplex = DUPLEX_HALF;
1718 }
1719 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1720 bp->req_line_speed = SPEED_1000;
1721 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1722 bp->req_line_speed = SPEED_2500;
1723 }
1724}
1725
1726static void
Michael Chandeaf3912007-07-07 22:48:00 -07001727bnx2_set_default_link(struct bnx2 *bp)
1728{
Harvey Harrisonab598592008-05-01 02:47:38 -07001729 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1730 bnx2_set_default_remote_link(bp);
1731 return;
1732 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001733
Michael Chandeaf3912007-07-07 22:48:00 -07001734 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1735 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001736 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001737 u32 reg;
1738
1739 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1740
Michael Chan2726d6e2008-01-29 21:35:05 -08001741 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001742 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1743 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1744 bp->autoneg = 0;
1745 bp->req_line_speed = bp->line_speed = SPEED_1000;
1746 bp->req_duplex = DUPLEX_FULL;
1747 }
1748 } else
1749 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1750}
1751
Michael Chan0d8a6572007-07-07 22:49:43 -07001752static void
Michael Chandf149d72007-07-07 22:51:36 -07001753bnx2_send_heart_beat(struct bnx2 *bp)
1754{
1755 u32 msg;
1756 u32 addr;
1757
1758 spin_lock(&bp->indirect_lock);
1759 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1760 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1761 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1762 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1763 spin_unlock(&bp->indirect_lock);
1764}
1765
1766static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001767bnx2_remote_phy_event(struct bnx2 *bp)
1768{
1769 u32 msg;
1770 u8 link_up = bp->link_up;
1771 u8 old_port;
1772
Michael Chan2726d6e2008-01-29 21:35:05 -08001773 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001774
Michael Chandf149d72007-07-07 22:51:36 -07001775 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1776 bnx2_send_heart_beat(bp);
1777
1778 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1779
Michael Chan0d8a6572007-07-07 22:49:43 -07001780 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1781 bp->link_up = 0;
1782 else {
1783 u32 speed;
1784
1785 bp->link_up = 1;
1786 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1787 bp->duplex = DUPLEX_FULL;
1788 switch (speed) {
1789 case BNX2_LINK_STATUS_10HALF:
1790 bp->duplex = DUPLEX_HALF;
1791 case BNX2_LINK_STATUS_10FULL:
1792 bp->line_speed = SPEED_10;
1793 break;
1794 case BNX2_LINK_STATUS_100HALF:
1795 bp->duplex = DUPLEX_HALF;
1796 case BNX2_LINK_STATUS_100BASE_T4:
1797 case BNX2_LINK_STATUS_100FULL:
1798 bp->line_speed = SPEED_100;
1799 break;
1800 case BNX2_LINK_STATUS_1000HALF:
1801 bp->duplex = DUPLEX_HALF;
1802 case BNX2_LINK_STATUS_1000FULL:
1803 bp->line_speed = SPEED_1000;
1804 break;
1805 case BNX2_LINK_STATUS_2500HALF:
1806 bp->duplex = DUPLEX_HALF;
1807 case BNX2_LINK_STATUS_2500FULL:
1808 bp->line_speed = SPEED_2500;
1809 break;
1810 default:
1811 bp->line_speed = 0;
1812 break;
1813 }
1814
Michael Chan0d8a6572007-07-07 22:49:43 -07001815 bp->flow_ctrl = 0;
1816 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1817 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1818 if (bp->duplex == DUPLEX_FULL)
1819 bp->flow_ctrl = bp->req_flow_ctrl;
1820 } else {
1821 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1822 bp->flow_ctrl |= FLOW_CTRL_TX;
1823 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1824 bp->flow_ctrl |= FLOW_CTRL_RX;
1825 }
1826
1827 old_port = bp->phy_port;
1828 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1829 bp->phy_port = PORT_FIBRE;
1830 else
1831 bp->phy_port = PORT_TP;
1832
1833 if (old_port != bp->phy_port)
1834 bnx2_set_default_link(bp);
1835
Michael Chan0d8a6572007-07-07 22:49:43 -07001836 }
1837 if (bp->link_up != link_up)
1838 bnx2_report_link(bp);
1839
1840 bnx2_set_mac_link(bp);
1841}
1842
1843static int
1844bnx2_set_remote_link(struct bnx2 *bp)
1845{
1846 u32 evt_code;
1847
Michael Chan2726d6e2008-01-29 21:35:05 -08001848 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07001849 switch (evt_code) {
1850 case BNX2_FW_EVT_CODE_LINK_EVENT:
1851 bnx2_remote_phy_event(bp);
1852 break;
1853 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1854 default:
Michael Chandf149d72007-07-07 22:51:36 -07001855 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07001856 break;
1857 }
1858 return 0;
1859}
1860
Michael Chanb6016b72005-05-26 13:03:09 -07001861static int
1862bnx2_setup_copper_phy(struct bnx2 *bp)
1863{
1864 u32 bmcr;
1865 u32 new_bmcr;
1866
Michael Chanca58c3a2007-05-03 13:22:52 -07001867 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001868
1869 if (bp->autoneg & AUTONEG_SPEED) {
1870 u32 adv_reg, adv1000_reg;
1871 u32 new_adv_reg = 0;
1872 u32 new_adv1000_reg = 0;
1873
Michael Chanca58c3a2007-05-03 13:22:52 -07001874 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001875 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1876 ADVERTISE_PAUSE_ASYM);
1877
1878 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1879 adv1000_reg &= PHY_ALL_1000_SPEED;
1880
1881 if (bp->advertising & ADVERTISED_10baseT_Half)
1882 new_adv_reg |= ADVERTISE_10HALF;
1883 if (bp->advertising & ADVERTISED_10baseT_Full)
1884 new_adv_reg |= ADVERTISE_10FULL;
1885 if (bp->advertising & ADVERTISED_100baseT_Half)
1886 new_adv_reg |= ADVERTISE_100HALF;
1887 if (bp->advertising & ADVERTISED_100baseT_Full)
1888 new_adv_reg |= ADVERTISE_100FULL;
1889 if (bp->advertising & ADVERTISED_1000baseT_Full)
1890 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001891
Michael Chanb6016b72005-05-26 13:03:09 -07001892 new_adv_reg |= ADVERTISE_CSMA;
1893
1894 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1895
1896 if ((adv1000_reg != new_adv1000_reg) ||
1897 (adv_reg != new_adv_reg) ||
1898 ((bmcr & BMCR_ANENABLE) == 0)) {
1899
Michael Chanca58c3a2007-05-03 13:22:52 -07001900 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001901 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07001902 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001903 BMCR_ANENABLE);
1904 }
1905 else if (bp->link_up) {
1906 /* Flow ctrl may have changed from auto to forced */
1907 /* or vice-versa. */
1908
1909 bnx2_resolve_flow_ctrl(bp);
1910 bnx2_set_mac_link(bp);
1911 }
1912 return 0;
1913 }
1914
1915 new_bmcr = 0;
1916 if (bp->req_line_speed == SPEED_100) {
1917 new_bmcr |= BMCR_SPEED100;
1918 }
1919 if (bp->req_duplex == DUPLEX_FULL) {
1920 new_bmcr |= BMCR_FULLDPLX;
1921 }
1922 if (new_bmcr != bmcr) {
1923 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07001924
Michael Chanca58c3a2007-05-03 13:22:52 -07001925 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1926 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001927
Michael Chanb6016b72005-05-26 13:03:09 -07001928 if (bmsr & BMSR_LSTATUS) {
1929 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07001930 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08001931 spin_unlock_bh(&bp->phy_lock);
1932 msleep(50);
1933 spin_lock_bh(&bp->phy_lock);
1934
Michael Chanca58c3a2007-05-03 13:22:52 -07001935 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1936 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07001937 }
1938
Michael Chanca58c3a2007-05-03 13:22:52 -07001939 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001940
1941 /* Normally, the new speed is setup after the link has
1942 * gone down and up again. In some cases, link will not go
1943 * down so we need to set up the new speed here.
1944 */
1945 if (bmsr & BMSR_LSTATUS) {
1946 bp->line_speed = bp->req_line_speed;
1947 bp->duplex = bp->req_duplex;
1948 bnx2_resolve_flow_ctrl(bp);
1949 bnx2_set_mac_link(bp);
1950 }
Michael Chan27a005b2007-05-03 13:23:41 -07001951 } else {
1952 bnx2_resolve_flow_ctrl(bp);
1953 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001954 }
1955 return 0;
1956}
1957
1958static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001959bnx2_setup_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001960{
1961 if (bp->loopback == MAC_LOOPBACK)
1962 return 0;
1963
Michael Chan583c28e2008-01-21 19:51:35 -08001964 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07001965 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07001966 }
1967 else {
1968 return (bnx2_setup_copper_phy(bp));
1969 }
1970}
1971
1972static int
Michael Chan9a120bc2008-05-16 22:17:45 -07001973bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07001974{
1975 u32 val;
1976
1977 bp->mii_bmcr = MII_BMCR + 0x10;
1978 bp->mii_bmsr = MII_BMSR + 0x10;
1979 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1980 bp->mii_adv = MII_ADVERTISE + 0x10;
1981 bp->mii_lpa = MII_LPA + 0x10;
1982 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1983
1984 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1985 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1986
1987 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07001988 if (reset_phy)
1989 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001990
1991 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1992
1993 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1994 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1995 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1996 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1997
1998 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1999 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002000 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002001 val |= BCM5708S_UP1_2G5;
2002 else
2003 val &= ~BCM5708S_UP1_2G5;
2004 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2005
2006 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2007 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2008 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2009 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2010
2011 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2012
2013 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2014 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2015 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2016
2017 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2018
2019 return 0;
2020}
2021
2022static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002023bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002024{
2025 u32 val;
2026
Michael Chan9a120bc2008-05-16 22:17:45 -07002027 if (reset_phy)
2028 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002029
2030 bp->mii_up1 = BCM5708S_UP1;
2031
Michael Chan5b0c76a2005-11-04 08:45:49 -08002032 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2033 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2034 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2035
2036 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2037 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2038 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2039
2040 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2041 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2042 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2043
Michael Chan583c28e2008-01-21 19:51:35 -08002044 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002045 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2046 val |= BCM5708S_UP1_2G5;
2047 bnx2_write_phy(bp, BCM5708S_UP1, val);
2048 }
2049
2050 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002051 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2052 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002053 /* increase tx signal amplitude */
2054 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2055 BCM5708S_BLK_ADDR_TX_MISC);
2056 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2057 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2058 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2059 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2060 }
2061
Michael Chan2726d6e2008-01-29 21:35:05 -08002062 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002063 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2064
2065 if (val) {
2066 u32 is_backplane;
2067
Michael Chan2726d6e2008-01-29 21:35:05 -08002068 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002069 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2070 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2071 BCM5708S_BLK_ADDR_TX_MISC);
2072 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2073 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2074 BCM5708S_BLK_ADDR_DIG);
2075 }
2076 }
2077 return 0;
2078}
2079
2080static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002081bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002082{
Michael Chan9a120bc2008-05-16 22:17:45 -07002083 if (reset_phy)
2084 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002085
Michael Chan583c28e2008-01-21 19:51:35 -08002086 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002087
Michael Chan59b47d82006-11-19 14:10:45 -08002088 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2089 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002090
2091 if (bp->dev->mtu > 1500) {
2092 u32 val;
2093
2094 /* Set extended packet length bit */
2095 bnx2_write_phy(bp, 0x18, 0x7);
2096 bnx2_read_phy(bp, 0x18, &val);
2097 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2098
2099 bnx2_write_phy(bp, 0x1c, 0x6c00);
2100 bnx2_read_phy(bp, 0x1c, &val);
2101 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2102 }
2103 else {
2104 u32 val;
2105
2106 bnx2_write_phy(bp, 0x18, 0x7);
2107 bnx2_read_phy(bp, 0x18, &val);
2108 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2109
2110 bnx2_write_phy(bp, 0x1c, 0x6c00);
2111 bnx2_read_phy(bp, 0x1c, &val);
2112 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2113 }
2114
2115 return 0;
2116}
2117
2118static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002119bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002120{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002121 u32 val;
2122
Michael Chan9a120bc2008-05-16 22:17:45 -07002123 if (reset_phy)
2124 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002125
Michael Chan583c28e2008-01-21 19:51:35 -08002126 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002127 bnx2_write_phy(bp, 0x18, 0x0c00);
2128 bnx2_write_phy(bp, 0x17, 0x000a);
2129 bnx2_write_phy(bp, 0x15, 0x310b);
2130 bnx2_write_phy(bp, 0x17, 0x201f);
2131 bnx2_write_phy(bp, 0x15, 0x9506);
2132 bnx2_write_phy(bp, 0x17, 0x401f);
2133 bnx2_write_phy(bp, 0x15, 0x14e2);
2134 bnx2_write_phy(bp, 0x18, 0x0400);
2135 }
2136
Michael Chan583c28e2008-01-21 19:51:35 -08002137 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002138 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2139 MII_BNX2_DSP_EXPAND_REG | 0x8);
2140 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2141 val &= ~(1 << 8);
2142 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2143 }
2144
Michael Chanb6016b72005-05-26 13:03:09 -07002145 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002146 /* Set extended packet length bit */
2147 bnx2_write_phy(bp, 0x18, 0x7);
2148 bnx2_read_phy(bp, 0x18, &val);
2149 bnx2_write_phy(bp, 0x18, val | 0x4000);
2150
2151 bnx2_read_phy(bp, 0x10, &val);
2152 bnx2_write_phy(bp, 0x10, val | 0x1);
2153 }
2154 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002155 bnx2_write_phy(bp, 0x18, 0x7);
2156 bnx2_read_phy(bp, 0x18, &val);
2157 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2158
2159 bnx2_read_phy(bp, 0x10, &val);
2160 bnx2_write_phy(bp, 0x10, val & ~0x1);
2161 }
2162
Michael Chan5b0c76a2005-11-04 08:45:49 -08002163 /* ethernet@wirespeed */
2164 bnx2_write_phy(bp, 0x18, 0x7007);
2165 bnx2_read_phy(bp, 0x18, &val);
2166 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002167 return 0;
2168}
2169
2170
2171static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002172bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002173{
2174 u32 val;
2175 int rc = 0;
2176
Michael Chan583c28e2008-01-21 19:51:35 -08002177 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2178 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002179
Michael Chanca58c3a2007-05-03 13:22:52 -07002180 bp->mii_bmcr = MII_BMCR;
2181 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002182 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002183 bp->mii_adv = MII_ADVERTISE;
2184 bp->mii_lpa = MII_LPA;
2185
Michael Chanb6016b72005-05-26 13:03:09 -07002186 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2187
Michael Chan583c28e2008-01-21 19:51:35 -08002188 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002189 goto setup_phy;
2190
Michael Chanb6016b72005-05-26 13:03:09 -07002191 bnx2_read_phy(bp, MII_PHYSID1, &val);
2192 bp->phy_id = val << 16;
2193 bnx2_read_phy(bp, MII_PHYSID2, &val);
2194 bp->phy_id |= val & 0xffff;
2195
Michael Chan583c28e2008-01-21 19:51:35 -08002196 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002197 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002198 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002199 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002200 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002201 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002202 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002203 }
2204 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002205 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002206 }
2207
Michael Chan0d8a6572007-07-07 22:49:43 -07002208setup_phy:
2209 if (!rc)
2210 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002211
2212 return rc;
2213}
2214
2215static int
2216bnx2_set_mac_loopback(struct bnx2 *bp)
2217{
2218 u32 mac_mode;
2219
2220 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2221 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2222 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2223 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2224 bp->link_up = 1;
2225 return 0;
2226}
2227
Michael Chanbc5a0692006-01-23 16:13:22 -08002228static int bnx2_test_link(struct bnx2 *);
2229
2230static int
2231bnx2_set_phy_loopback(struct bnx2 *bp)
2232{
2233 u32 mac_mode;
2234 int rc, i;
2235
2236 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002237 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002238 BMCR_SPEED1000);
2239 spin_unlock_bh(&bp->phy_lock);
2240 if (rc)
2241 return rc;
2242
2243 for (i = 0; i < 10; i++) {
2244 if (bnx2_test_link(bp) == 0)
2245 break;
Michael Chan80be4432006-11-19 14:07:28 -08002246 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002247 }
2248
2249 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2250 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2251 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002252 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002253
2254 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2255 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2256 bp->link_up = 1;
2257 return 0;
2258}
2259
Michael Chanb6016b72005-05-26 13:03:09 -07002260static int
Michael Chanb090ae22006-01-23 16:07:10 -08002261bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002262{
2263 int i;
2264 u32 val;
2265
Michael Chanb6016b72005-05-26 13:03:09 -07002266 bp->fw_wr_seq++;
2267 msg_data |= bp->fw_wr_seq;
2268
Michael Chan2726d6e2008-01-29 21:35:05 -08002269 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002270
2271 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002272 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2273 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002274
Michael Chan2726d6e2008-01-29 21:35:05 -08002275 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002276
2277 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2278 break;
2279 }
Michael Chanb090ae22006-01-23 16:07:10 -08002280 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2281 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002282
2283 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002284 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2285 if (!silent)
2286 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2287 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002288
2289 msg_data &= ~BNX2_DRV_MSG_CODE;
2290 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2291
Michael Chan2726d6e2008-01-29 21:35:05 -08002292 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002293
Michael Chanb6016b72005-05-26 13:03:09 -07002294 return -EBUSY;
2295 }
2296
Michael Chanb090ae22006-01-23 16:07:10 -08002297 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2298 return -EIO;
2299
Michael Chanb6016b72005-05-26 13:03:09 -07002300 return 0;
2301}
2302
Michael Chan59b47d82006-11-19 14:10:45 -08002303static int
2304bnx2_init_5709_context(struct bnx2 *bp)
2305{
2306 int i, ret = 0;
2307 u32 val;
2308
2309 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2310 val |= (BCM_PAGE_BITS - 8) << 16;
2311 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002312 for (i = 0; i < 10; i++) {
2313 val = REG_RD(bp, BNX2_CTX_COMMAND);
2314 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2315 break;
2316 udelay(2);
2317 }
2318 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2319 return -EBUSY;
2320
Michael Chan59b47d82006-11-19 14:10:45 -08002321 for (i = 0; i < bp->ctx_pages; i++) {
2322 int j;
2323
Michael Chan352f7682008-05-02 16:57:26 -07002324 if (bp->ctx_blk[i])
2325 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2326 else
2327 return -ENOMEM;
2328
Michael Chan59b47d82006-11-19 14:10:45 -08002329 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2330 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2331 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2332 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2333 (u64) bp->ctx_blk_mapping[i] >> 32);
2334 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2335 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2336 for (j = 0; j < 10; j++) {
2337
2338 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2339 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2340 break;
2341 udelay(5);
2342 }
2343 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2344 ret = -EBUSY;
2345 break;
2346 }
2347 }
2348 return ret;
2349}
2350
Michael Chanb6016b72005-05-26 13:03:09 -07002351static void
2352bnx2_init_context(struct bnx2 *bp)
2353{
2354 u32 vcid;
2355
2356 vcid = 96;
2357 while (vcid) {
2358 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002359 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002360
2361 vcid--;
2362
2363 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2364 u32 new_vcid;
2365
2366 vcid_addr = GET_PCID_ADDR(vcid);
2367 if (vcid & 0x8) {
2368 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2369 }
2370 else {
2371 new_vcid = vcid;
2372 }
2373 pcid_addr = GET_PCID_ADDR(new_vcid);
2374 }
2375 else {
2376 vcid_addr = GET_CID_ADDR(vcid);
2377 pcid_addr = vcid_addr;
2378 }
2379
Michael Chan7947b202007-06-04 21:17:10 -07002380 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2381 vcid_addr += (i << PHY_CTX_SHIFT);
2382 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002383
Michael Chan5d5d0012007-12-12 11:17:43 -08002384 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002385 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2386
2387 /* Zero out the context. */
2388 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002389 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002390 }
Michael Chanb6016b72005-05-26 13:03:09 -07002391 }
2392}
2393
2394static int
2395bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2396{
2397 u16 *good_mbuf;
2398 u32 good_mbuf_cnt;
2399 u32 val;
2400
2401 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2402 if (good_mbuf == NULL) {
2403 printk(KERN_ERR PFX "Failed to allocate memory in "
2404 "bnx2_alloc_bad_rbuf\n");
2405 return -ENOMEM;
2406 }
2407
2408 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2409 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2410
2411 good_mbuf_cnt = 0;
2412
2413 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002414 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002415 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002416 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2417 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002418
Michael Chan2726d6e2008-01-29 21:35:05 -08002419 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002420
2421 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2422
2423 /* The addresses with Bit 9 set are bad memory blocks. */
2424 if (!(val & (1 << 9))) {
2425 good_mbuf[good_mbuf_cnt] = (u16) val;
2426 good_mbuf_cnt++;
2427 }
2428
Michael Chan2726d6e2008-01-29 21:35:05 -08002429 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002430 }
2431
2432 /* Free the good ones back to the mbuf pool thus discarding
2433 * all the bad ones. */
2434 while (good_mbuf_cnt) {
2435 good_mbuf_cnt--;
2436
2437 val = good_mbuf[good_mbuf_cnt];
2438 val = (val << 9) | val | 1;
2439
Michael Chan2726d6e2008-01-29 21:35:05 -08002440 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002441 }
2442 kfree(good_mbuf);
2443 return 0;
2444}
2445
2446static void
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002447bnx2_set_mac_addr(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07002448{
2449 u32 val;
2450 u8 *mac_addr = bp->dev->dev_addr;
2451
2452 val = (mac_addr[0] << 8) | mac_addr[1];
2453
2454 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2455
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002456 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002457 (mac_addr[4] << 8) | mac_addr[5];
2458
2459 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2460}
2461
2462static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002463bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002464{
2465 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002466 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002467 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002468 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002469 struct page *page = alloc_page(GFP_ATOMIC);
2470
2471 if (!page)
2472 return -ENOMEM;
2473 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2474 PCI_DMA_FROMDEVICE);
2475 rx_pg->page = page;
2476 pci_unmap_addr_set(rx_pg, mapping, mapping);
2477 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2478 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2479 return 0;
2480}
2481
2482static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002483bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002484{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002485 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002486 struct page *page = rx_pg->page;
2487
2488 if (!page)
2489 return;
2490
2491 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2492 PCI_DMA_FROMDEVICE);
2493
2494 __free_page(page);
2495 rx_pg->page = NULL;
2496}
2497
2498static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002499bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002500{
2501 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002502 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002503 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002504 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002505 unsigned long align;
2506
Michael Chan932f3772006-08-15 01:39:36 -07002507 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002508 if (skb == NULL) {
2509 return -ENOMEM;
2510 }
2511
Michael Chan59b47d82006-11-19 14:10:45 -08002512 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2513 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002514
Michael Chanb6016b72005-05-26 13:03:09 -07002515 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2516 PCI_DMA_FROMDEVICE);
2517
2518 rx_buf->skb = skb;
2519 pci_unmap_addr_set(rx_buf, mapping, mapping);
2520
2521 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2522 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2523
Michael Chanbb4f98a2008-06-19 16:38:19 -07002524 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002525
2526 return 0;
2527}
2528
Michael Chanda3e4fb2007-05-03 13:24:23 -07002529static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002530bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002531{
Michael Chan43e80b82008-06-19 16:41:08 -07002532 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002533 u32 new_link_state, old_link_state;
2534 int is_set = 1;
2535
2536 new_link_state = sblk->status_attn_bits & event;
2537 old_link_state = sblk->status_attn_bits_ack & event;
2538 if (new_link_state != old_link_state) {
2539 if (new_link_state)
2540 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2541 else
2542 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2543 } else
2544 is_set = 0;
2545
2546 return is_set;
2547}
2548
Michael Chanb6016b72005-05-26 13:03:09 -07002549static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002550bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002551{
Michael Chan74ecc622008-05-02 16:56:16 -07002552 spin_lock(&bp->phy_lock);
2553
2554 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002555 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002556 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002557 bnx2_set_remote_link(bp);
2558
Michael Chan74ecc622008-05-02 16:56:16 -07002559 spin_unlock(&bp->phy_lock);
2560
Michael Chanb6016b72005-05-26 13:03:09 -07002561}
2562
Michael Chanead72702007-12-20 19:55:39 -08002563static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002564bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002565{
2566 u16 cons;
2567
Michael Chan43e80b82008-06-19 16:41:08 -07002568 /* Tell compiler that status block fields can change. */
2569 barrier();
2570 cons = *bnapi->hw_tx_cons_ptr;
Michael Chanead72702007-12-20 19:55:39 -08002571 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2572 cons++;
2573 return cons;
2574}
2575
Michael Chan57851d82007-12-20 20:01:44 -08002576static int
2577bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002578{
Michael Chan35e90102008-06-19 16:37:42 -07002579 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002580 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002581 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002582
Michael Chan35efa7c2007-12-20 19:56:37 -08002583 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002584 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002585
2586 while (sw_cons != hw_cons) {
2587 struct sw_bd *tx_buf;
2588 struct sk_buff *skb;
2589 int i, last;
2590
2591 sw_ring_cons = TX_RING_IDX(sw_cons);
2592
Michael Chan35e90102008-06-19 16:37:42 -07002593 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002594 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002595
Michael Chanb6016b72005-05-26 13:03:09 -07002596 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002597 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002598 u16 last_idx, last_ring_idx;
2599
2600 last_idx = sw_cons +
2601 skb_shinfo(skb)->nr_frags + 1;
2602 last_ring_idx = sw_ring_cons +
2603 skb_shinfo(skb)->nr_frags + 1;
2604 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2605 last_idx++;
2606 }
2607 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2608 break;
2609 }
2610 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002611
Michael Chanb6016b72005-05-26 13:03:09 -07002612 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2613 skb_headlen(skb), PCI_DMA_TODEVICE);
2614
2615 tx_buf->skb = NULL;
2616 last = skb_shinfo(skb)->nr_frags;
2617
2618 for (i = 0; i < last; i++) {
2619 sw_cons = NEXT_TX_BD(sw_cons);
2620
2621 pci_unmap_page(bp->pdev,
2622 pci_unmap_addr(
Michael Chan35e90102008-06-19 16:37:42 -07002623 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
Michael Chanb6016b72005-05-26 13:03:09 -07002624 mapping),
2625 skb_shinfo(skb)->frags[i].size,
2626 PCI_DMA_TODEVICE);
2627 }
2628
2629 sw_cons = NEXT_TX_BD(sw_cons);
2630
Michael Chan745720e2006-06-29 12:37:41 -07002631 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002632 tx_pkt++;
2633 if (tx_pkt == budget)
2634 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002635
Michael Chan35efa7c2007-12-20 19:56:37 -08002636 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002637 }
2638
Michael Chan35e90102008-06-19 16:37:42 -07002639 txr->hw_tx_cons = hw_cons;
2640 txr->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002641 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2642 * before checking for netif_queue_stopped(). Without the
2643 * memory barrier, there is a small possibility that bnx2_start_xmit()
2644 * will miss it and cause the queue to be stopped forever.
2645 */
2646 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002647
Michael Chan2f8af122006-08-15 01:39:10 -07002648 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002649 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002650 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002651 if ((netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002652 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002653 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002654 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002655 }
Michael Chan57851d82007-12-20 20:01:44 -08002656 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002657}
2658
Michael Chan1db82f22007-12-12 11:19:35 -08002659static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002660bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002661 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002662{
2663 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2664 struct rx_bd *cons_bd, *prod_bd;
2665 dma_addr_t mapping;
2666 int i;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002667 u16 hw_prod = rxr->rx_pg_prod, prod;
2668 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002669
2670 for (i = 0; i < count; i++) {
2671 prod = RX_PG_RING_IDX(hw_prod);
2672
Michael Chanbb4f98a2008-06-19 16:38:19 -07002673 prod_rx_pg = &rxr->rx_pg_ring[prod];
2674 cons_rx_pg = &rxr->rx_pg_ring[cons];
2675 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2676 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002677
2678 if (i == 0 && skb) {
2679 struct page *page;
2680 struct skb_shared_info *shinfo;
2681
2682 shinfo = skb_shinfo(skb);
2683 shinfo->nr_frags--;
2684 page = shinfo->frags[shinfo->nr_frags].page;
2685 shinfo->frags[shinfo->nr_frags].page = NULL;
2686 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2687 PCI_DMA_FROMDEVICE);
2688 cons_rx_pg->page = page;
2689 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2690 dev_kfree_skb(skb);
2691 }
2692 if (prod != cons) {
2693 prod_rx_pg->page = cons_rx_pg->page;
2694 cons_rx_pg->page = NULL;
2695 pci_unmap_addr_set(prod_rx_pg, mapping,
2696 pci_unmap_addr(cons_rx_pg, mapping));
2697
2698 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2699 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2700
2701 }
2702 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2703 hw_prod = NEXT_RX_BD(hw_prod);
2704 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002705 rxr->rx_pg_prod = hw_prod;
2706 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002707}
2708
Michael Chanb6016b72005-05-26 13:03:09 -07002709static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002710bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2711 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002712{
Michael Chan236b6392006-03-20 17:49:02 -08002713 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2714 struct rx_bd *cons_bd, *prod_bd;
2715
Michael Chanbb4f98a2008-06-19 16:38:19 -07002716 cons_rx_buf = &rxr->rx_buf_ring[cons];
2717 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002718
2719 pci_dma_sync_single_for_device(bp->pdev,
2720 pci_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002721 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002722
Michael Chanbb4f98a2008-06-19 16:38:19 -07002723 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002724
2725 prod_rx_buf->skb = skb;
2726
2727 if (cons == prod)
2728 return;
2729
Michael Chanb6016b72005-05-26 13:03:09 -07002730 pci_unmap_addr_set(prod_rx_buf, mapping,
2731 pci_unmap_addr(cons_rx_buf, mapping));
2732
Michael Chanbb4f98a2008-06-19 16:38:19 -07002733 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2734 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002735 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2736 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002737}
2738
Michael Chan85833c62007-12-12 11:17:01 -08002739static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002740bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002741 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2742 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002743{
2744 int err;
2745 u16 prod = ring_idx & 0xffff;
2746
Michael Chanbb4f98a2008-06-19 16:38:19 -07002747 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002748 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002749 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002750 if (hdr_len) {
2751 unsigned int raw_len = len + 4;
2752 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2753
Michael Chanbb4f98a2008-06-19 16:38:19 -07002754 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002755 }
Michael Chan85833c62007-12-12 11:17:01 -08002756 return err;
2757 }
2758
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002759 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002760 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2761 PCI_DMA_FROMDEVICE);
2762
Michael Chan1db82f22007-12-12 11:19:35 -08002763 if (hdr_len == 0) {
2764 skb_put(skb, len);
2765 return 0;
2766 } else {
2767 unsigned int i, frag_len, frag_size, pages;
2768 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002769 u16 pg_cons = rxr->rx_pg_cons;
2770 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002771
2772 frag_size = len + 4 - hdr_len;
2773 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2774 skb_put(skb, hdr_len);
2775
2776 for (i = 0; i < pages; i++) {
2777 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2778 if (unlikely(frag_len <= 4)) {
2779 unsigned int tail = 4 - frag_len;
2780
Michael Chanbb4f98a2008-06-19 16:38:19 -07002781 rxr->rx_pg_cons = pg_cons;
2782 rxr->rx_pg_prod = pg_prod;
2783 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08002784 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002785 skb->len -= tail;
2786 if (i == 0) {
2787 skb->tail -= tail;
2788 } else {
2789 skb_frag_t *frag =
2790 &skb_shinfo(skb)->frags[i - 1];
2791 frag->size -= tail;
2792 skb->data_len -= tail;
2793 skb->truesize -= tail;
2794 }
2795 return 0;
2796 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002797 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08002798
2799 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2800 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2801
2802 if (i == pages - 1)
2803 frag_len -= 4;
2804
2805 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2806 rx_pg->page = NULL;
2807
Michael Chanbb4f98a2008-06-19 16:38:19 -07002808 err = bnx2_alloc_rx_page(bp, rxr,
2809 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08002810 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002811 rxr->rx_pg_cons = pg_cons;
2812 rxr->rx_pg_prod = pg_prod;
2813 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08002814 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002815 return err;
2816 }
2817
2818 frag_size -= frag_len;
2819 skb->data_len += frag_len;
2820 skb->truesize += frag_len;
2821 skb->len += frag_len;
2822
2823 pg_prod = NEXT_RX_BD(pg_prod);
2824 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2825 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002826 rxr->rx_pg_prod = pg_prod;
2827 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002828 }
Michael Chan85833c62007-12-12 11:17:01 -08002829 return 0;
2830}
2831
Michael Chanc09c2622007-12-10 17:18:37 -08002832static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002833bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002834{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002835 u16 cons;
2836
Michael Chan43e80b82008-06-19 16:41:08 -07002837 /* Tell compiler that status block fields can change. */
2838 barrier();
2839 cons = *bnapi->hw_rx_cons_ptr;
Michael Chanc09c2622007-12-10 17:18:37 -08002840 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2841 cons++;
2842 return cons;
2843}
2844
Michael Chanb6016b72005-05-26 13:03:09 -07002845static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002846bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002847{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002848 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002849 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2850 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002851 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002852
Michael Chan35efa7c2007-12-20 19:56:37 -08002853 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07002854 sw_cons = rxr->rx_cons;
2855 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002856
2857 /* Memory barrier necessary as speculative reads of the rx
2858 * buffer can be ahead of the index in the status block
2859 */
2860 rmb();
2861 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002862 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002863 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002864 struct sw_bd *rx_buf;
2865 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002866 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002867
2868 sw_ring_cons = RX_RING_IDX(sw_cons);
2869 sw_ring_prod = RX_RING_IDX(sw_prod);
2870
Michael Chanbb4f98a2008-06-19 16:38:19 -07002871 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002872 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002873
2874 rx_buf->skb = NULL;
2875
2876 dma_addr = pci_unmap_addr(rx_buf, mapping);
2877
2878 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07002879 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2880 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002881
2882 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002883 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002884
Michael Chanade2bfe2006-01-23 16:09:51 -08002885 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002886 (L2_FHDR_ERRORS_BAD_CRC |
2887 L2_FHDR_ERRORS_PHY_DECODE |
2888 L2_FHDR_ERRORS_ALIGNMENT |
2889 L2_FHDR_ERRORS_TOO_SHORT |
2890 L2_FHDR_ERRORS_GIANT_FRAME)) {
2891
Michael Chanbb4f98a2008-06-19 16:38:19 -07002892 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chana1f60192007-12-20 19:57:19 -08002893 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002894 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002895 }
Michael Chan1db82f22007-12-12 11:19:35 -08002896 hdr_len = 0;
2897 if (status & L2_FHDR_STATUS_SPLIT) {
2898 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2899 pg_ring_used = 1;
2900 } else if (len > bp->rx_jumbo_thresh) {
2901 hdr_len = bp->rx_jumbo_thresh;
2902 pg_ring_used = 1;
2903 }
2904
2905 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002906
Michael Chan5d5d0012007-12-12 11:17:43 -08002907 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002908 struct sk_buff *new_skb;
2909
Michael Chan932f3772006-08-15 01:39:36 -07002910 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002911 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002912 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002913 sw_ring_prod);
2914 goto next_rx;
2915 }
Michael Chanb6016b72005-05-26 13:03:09 -07002916
2917 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002918 skb_copy_from_linear_data_offset(skb,
2919 BNX2_RX_OFFSET - 2,
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002920 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002921 skb_reserve(new_skb, 2);
2922 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002923
Michael Chanbb4f98a2008-06-19 16:38:19 -07002924 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002925 sw_ring_cons, sw_ring_prod);
2926
2927 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002928 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08002929 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002930 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002931
2932 skb->protocol = eth_type_trans(skb, bp->dev);
2933
2934 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002935 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002936
Michael Chan745720e2006-06-29 12:37:41 -07002937 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002938 goto next_rx;
2939
2940 }
2941
Michael Chanb6016b72005-05-26 13:03:09 -07002942 skb->ip_summed = CHECKSUM_NONE;
2943 if (bp->rx_csum &&
2944 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2945 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2946
Michael Chanade2bfe2006-01-23 16:09:51 -08002947 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2948 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002949 skb->ip_summed = CHECKSUM_UNNECESSARY;
2950 }
2951
2952#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002953 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002954 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2955 rx_hdr->l2_fhdr_vlan_tag);
2956 }
2957 else
2958#endif
2959 netif_receive_skb(skb);
2960
2961 bp->dev->last_rx = jiffies;
2962 rx_pkt++;
2963
2964next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002965 sw_cons = NEXT_RX_BD(sw_cons);
2966 sw_prod = NEXT_RX_BD(sw_prod);
2967
2968 if ((rx_pkt == budget))
2969 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002970
2971 /* Refresh hw_cons to see if there is new work */
2972 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002973 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002974 rmb();
2975 }
Michael Chanb6016b72005-05-26 13:03:09 -07002976 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002977 rxr->rx_cons = sw_cons;
2978 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002979
Michael Chan1db82f22007-12-12 11:19:35 -08002980 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07002981 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002982
Michael Chanbb4f98a2008-06-19 16:38:19 -07002983 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07002984
Michael Chanbb4f98a2008-06-19 16:38:19 -07002985 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002986
2987 mmiowb();
2988
2989 return rx_pkt;
2990
2991}
2992
2993/* MSI ISR - The only difference between this and the INTx ISR
2994 * is that the MSI interrupt is always serviced.
2995 */
2996static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002997bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002998{
Michael Chanf0ea2e62008-06-19 16:41:57 -07002999 struct bnx2_napi *bnapi = dev_instance;
3000 struct bnx2 *bp = bnapi->bp;
3001 struct net_device *dev = bp->dev;
Michael Chanb6016b72005-05-26 13:03:09 -07003002
Michael Chan43e80b82008-06-19 16:41:08 -07003003 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003004 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3005 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3006 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3007
3008 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003009 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3010 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003011
Michael Chan35efa7c2007-12-20 19:56:37 -08003012 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003013
Michael Chan73eef4c2005-08-25 15:39:15 -07003014 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003015}
3016
3017static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003018bnx2_msi_1shot(int irq, void *dev_instance)
3019{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003020 struct bnx2_napi *bnapi = dev_instance;
3021 struct bnx2 *bp = bnapi->bp;
3022 struct net_device *dev = bp->dev;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003023
Michael Chan43e80b82008-06-19 16:41:08 -07003024 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003025
3026 /* Return here if interrupt is disabled. */
3027 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3028 return IRQ_HANDLED;
3029
Michael Chan35efa7c2007-12-20 19:56:37 -08003030 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003031
3032 return IRQ_HANDLED;
3033}
3034
3035static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003036bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003037{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003038 struct bnx2_napi *bnapi = dev_instance;
3039 struct bnx2 *bp = bnapi->bp;
3040 struct net_device *dev = bp->dev;
Michael Chan43e80b82008-06-19 16:41:08 -07003041 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003042
3043 /* When using INTx, it is possible for the interrupt to arrive
3044 * at the CPU before the status block posted prior to the
3045 * interrupt. Reading a register will flush the status block.
3046 * When using MSI, the MSI message will always complete after
3047 * the status block write.
3048 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003049 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003050 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3051 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003052 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003053
3054 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3055 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3056 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3057
Michael Chanb8a7ce72007-07-07 22:51:03 -07003058 /* Read back to deassert IRQ immediately to avoid too many
3059 * spurious interrupts.
3060 */
3061 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3062
Michael Chanb6016b72005-05-26 13:03:09 -07003063 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003064 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3065 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003066
Michael Chan35efa7c2007-12-20 19:56:37 -08003067 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3068 bnapi->last_status_idx = sblk->status_idx;
3069 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003070 }
Michael Chanb6016b72005-05-26 13:03:09 -07003071
Michael Chan73eef4c2005-08-25 15:39:15 -07003072 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003073}
3074
Michael Chan43e80b82008-06-19 16:41:08 -07003075static inline int
3076bnx2_has_fast_work(struct bnx2_napi *bnapi)
3077{
3078 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3079 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3080
3081 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3082 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3083 return 1;
3084 return 0;
3085}
3086
Michael Chan0d8a6572007-07-07 22:49:43 -07003087#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3088 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003089
Michael Chanf4e418f2005-11-04 08:53:48 -08003090static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003091bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003092{
Michael Chan43e80b82008-06-19 16:41:08 -07003093 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003094
Michael Chan43e80b82008-06-19 16:41:08 -07003095 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003096 return 1;
3097
Michael Chanda3e4fb2007-05-03 13:24:23 -07003098 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3099 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003100 return 1;
3101
3102 return 0;
3103}
3104
Michael Chan43e80b82008-06-19 16:41:08 -07003105static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003106{
Michael Chan43e80b82008-06-19 16:41:08 -07003107 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003108 u32 status_attn_bits = sblk->status_attn_bits;
3109 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003110
Michael Chanda3e4fb2007-05-03 13:24:23 -07003111 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3112 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003113
Michael Chan35efa7c2007-12-20 19:56:37 -08003114 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003115
3116 /* This is needed to take care of transient status
3117 * during link changes.
3118 */
3119 REG_WR(bp, BNX2_HC_COMMAND,
3120 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3121 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003122 }
Michael Chan43e80b82008-06-19 16:41:08 -07003123}
3124
3125static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3126 int work_done, int budget)
3127{
3128 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3129 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003130
Michael Chan35e90102008-06-19 16:37:42 -07003131 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003132 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003133
Michael Chanbb4f98a2008-06-19 16:38:19 -07003134 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003135 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003136
David S. Miller6f535762007-10-11 18:08:29 -07003137 return work_done;
3138}
Michael Chanf4e418f2005-11-04 08:53:48 -08003139
Michael Chanf0ea2e62008-06-19 16:41:57 -07003140static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3141{
3142 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3143 struct bnx2 *bp = bnapi->bp;
3144 int work_done = 0;
3145 struct status_block_msix *sblk = bnapi->status_blk.msix;
3146
3147 while (1) {
3148 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3149 if (unlikely(work_done >= budget))
3150 break;
3151
3152 bnapi->last_status_idx = sblk->status_idx;
3153 /* status idx must be read before checking for more work. */
3154 rmb();
3155 if (likely(!bnx2_has_fast_work(bnapi))) {
3156
3157 netif_rx_complete(bp->dev, napi);
3158 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3159 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3160 bnapi->last_status_idx);
3161 break;
3162 }
3163 }
3164 return work_done;
3165}
3166
David S. Miller6f535762007-10-11 18:08:29 -07003167static int bnx2_poll(struct napi_struct *napi, int budget)
3168{
Michael Chan35efa7c2007-12-20 19:56:37 -08003169 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3170 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003171 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003172 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003173
3174 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003175 bnx2_poll_link(bp, bnapi);
3176
Michael Chan35efa7c2007-12-20 19:56:37 -08003177 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003178
3179 if (unlikely(work_done >= budget))
3180 break;
3181
Michael Chan35efa7c2007-12-20 19:56:37 -08003182 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003183 * much work has been processed, so we must read it before
3184 * checking for more work.
3185 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003186 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003187 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003188 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003189 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003190 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003191 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3192 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003193 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003194 break;
David S. Miller6f535762007-10-11 18:08:29 -07003195 }
3196 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3197 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3198 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003199 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003200
Michael Chan1269a8a2006-01-23 16:11:03 -08003201 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3202 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003203 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003204 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003205 }
Michael Chanb6016b72005-05-26 13:03:09 -07003206 }
3207
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003208 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003209}
3210
Herbert Xu932ff272006-06-09 12:20:56 -07003211/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003212 * from set_multicast.
3213 */
3214static void
3215bnx2_set_rx_mode(struct net_device *dev)
3216{
Michael Chan972ec0d2006-01-23 16:12:43 -08003217 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003218 u32 rx_mode, sort_mode;
3219 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003220
Michael Chanc770a652005-08-25 15:38:39 -07003221 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003222
3223 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3224 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3225 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3226#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003227 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003228 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003229#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003230 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003231 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003232#endif
3233 if (dev->flags & IFF_PROMISC) {
3234 /* Promiscuous mode. */
3235 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003236 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3237 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003238 }
3239 else if (dev->flags & IFF_ALLMULTI) {
3240 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3241 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3242 0xffffffff);
3243 }
3244 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3245 }
3246 else {
3247 /* Accept one or more multicast(s). */
3248 struct dev_mc_list *mclist;
3249 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3250 u32 regidx;
3251 u32 bit;
3252 u32 crc;
3253
3254 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3255
3256 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3257 i++, mclist = mclist->next) {
3258
3259 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3260 bit = crc & 0xff;
3261 regidx = (bit & 0xe0) >> 5;
3262 bit &= 0x1f;
3263 mc_filter[regidx] |= (1 << bit);
3264 }
3265
3266 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3267 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3268 mc_filter[i]);
3269 }
3270
3271 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3272 }
3273
3274 if (rx_mode != bp->rx_mode) {
3275 bp->rx_mode = rx_mode;
3276 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3277 }
3278
3279 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3280 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3281 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3282
Michael Chanc770a652005-08-25 15:38:39 -07003283 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003284}
3285
3286static void
Al Virob491edd2007-12-22 19:44:51 +00003287load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003288 u32 rv2p_proc)
3289{
3290 int i;
3291 u32 val;
3292
Michael Chand25be1d2008-05-02 16:57:59 -07003293 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3294 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3295 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3296 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3297 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3298 }
Michael Chanb6016b72005-05-26 13:03:09 -07003299
3300 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003301 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003302 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003303 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003304 rv2p_code++;
3305
3306 if (rv2p_proc == RV2P_PROC1) {
3307 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3308 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3309 }
3310 else {
3311 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3312 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3313 }
3314 }
3315
3316 /* Reset the processor, un-stall is done later. */
3317 if (rv2p_proc == RV2P_PROC1) {
3318 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3319 }
3320 else {
3321 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3322 }
3323}
3324
Michael Chanaf3ee512006-11-19 14:09:25 -08003325static int
Benjamin Li10343cc2008-05-16 22:20:27 -07003326load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
Michael Chanb6016b72005-05-26 13:03:09 -07003327{
3328 u32 offset;
3329 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003330 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003331
3332 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003333 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003334 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003335 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3336 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003337
3338 /* Load the Text area. */
3339 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003340 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003341 int j;
3342
Michael Chanea1f8d52007-10-02 16:27:35 -07003343 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3344 fw->gz_text_len);
3345 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003346 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003347
Michael Chanb6016b72005-05-26 13:03:09 -07003348 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003349 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003350 }
3351 }
3352
3353 /* Load the Data area. */
3354 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3355 if (fw->data) {
3356 int j;
3357
3358 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003359 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003360 }
3361 }
3362
3363 /* Load the SBSS area. */
3364 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003365 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003366 int j;
3367
3368 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003369 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003370 }
3371 }
3372
3373 /* Load the BSS area. */
3374 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003375 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003376 int j;
3377
3378 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003379 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003380 }
3381 }
3382
3383 /* Load the Read-Only area. */
3384 offset = cpu_reg->spad_base +
3385 (fw->rodata_addr - cpu_reg->mips_view_base);
3386 if (fw->rodata) {
3387 int j;
3388
3389 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003390 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003391 }
3392 }
3393
3394 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003395 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3396 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003397
3398 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003399 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003400 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003401 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3402 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003403
3404 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003405}
3406
Michael Chanfba9fe92006-06-12 22:21:25 -07003407static int
Michael Chanb6016b72005-05-26 13:03:09 -07003408bnx2_init_cpus(struct bnx2 *bp)
3409{
Michael Chanaf3ee512006-11-19 14:09:25 -08003410 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003411 int rc, rv2p_len;
3412 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003413
3414 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003415 text = vmalloc(FW_BUF_SIZE);
3416 if (!text)
3417 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003418 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3419 rv2p = bnx2_xi_rv2p_proc1;
3420 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3421 } else {
3422 rv2p = bnx2_rv2p_proc1;
3423 rv2p_len = sizeof(bnx2_rv2p_proc1);
3424 }
3425 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003426 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003427 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003428
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003429 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003430
Michael Chan110d0ef2007-12-12 11:18:34 -08003431 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3432 rv2p = bnx2_xi_rv2p_proc2;
3433 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3434 } else {
3435 rv2p = bnx2_rv2p_proc2;
3436 rv2p_len = sizeof(bnx2_rv2p_proc2);
3437 }
3438 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003439 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003440 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003441
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003442 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003443
3444 /* Initialize the RX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003445 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3446 fw = &bnx2_rxp_fw_09;
3447 else
3448 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003449
Michael Chanea1f8d52007-10-02 16:27:35 -07003450 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003451 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003452 if (rc)
3453 goto init_cpu_err;
3454
Michael Chanb6016b72005-05-26 13:03:09 -07003455 /* Initialize the TX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003456 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3457 fw = &bnx2_txp_fw_09;
3458 else
3459 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003460
Michael Chanea1f8d52007-10-02 16:27:35 -07003461 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003462 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003463 if (rc)
3464 goto init_cpu_err;
3465
Michael Chanb6016b72005-05-26 13:03:09 -07003466 /* Initialize the TX Patch-up Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003467 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3468 fw = &bnx2_tpat_fw_09;
3469 else
3470 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003471
Michael Chanea1f8d52007-10-02 16:27:35 -07003472 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003473 rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003474 if (rc)
3475 goto init_cpu_err;
3476
Michael Chanb6016b72005-05-26 13:03:09 -07003477 /* Initialize the Completion Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003478 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3479 fw = &bnx2_com_fw_09;
3480 else
3481 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003482
Michael Chanea1f8d52007-10-02 16:27:35 -07003483 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003484 rc = load_cpu_fw(bp, &cpu_reg_com, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003485 if (rc)
3486 goto init_cpu_err;
3487
Michael Chand43584c2006-11-19 14:14:35 -08003488 /* Initialize the Command Processor. */
Michael Chan110d0ef2007-12-12 11:18:34 -08003489 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003490 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003491 else
3492 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003493
Michael Chan110d0ef2007-12-12 11:18:34 -08003494 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003495 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
Michael Chan110d0ef2007-12-12 11:18:34 -08003496
Michael Chanfba9fe92006-06-12 22:21:25 -07003497init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003498 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003499 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003500}
3501
3502static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003503bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003504{
3505 u16 pmcsr;
3506
3507 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3508
3509 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003510 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003511 u32 val;
3512
3513 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3514 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3515 PCI_PM_CTRL_PME_STATUS);
3516
3517 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3518 /* delay required during transition out of D3hot */
3519 msleep(20);
3520
3521 val = REG_RD(bp, BNX2_EMAC_MODE);
3522 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3523 val &= ~BNX2_EMAC_MODE_MPKT;
3524 REG_WR(bp, BNX2_EMAC_MODE, val);
3525
3526 val = REG_RD(bp, BNX2_RPM_CONFIG);
3527 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3528 REG_WR(bp, BNX2_RPM_CONFIG, val);
3529 break;
3530 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003531 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003532 int i;
3533 u32 val, wol_msg;
3534
3535 if (bp->wol) {
3536 u32 advertising;
3537 u8 autoneg;
3538
3539 autoneg = bp->autoneg;
3540 advertising = bp->advertising;
3541
Michael Chan239cd342007-10-17 19:26:15 -07003542 if (bp->phy_port == PORT_TP) {
3543 bp->autoneg = AUTONEG_SPEED;
3544 bp->advertising = ADVERTISED_10baseT_Half |
3545 ADVERTISED_10baseT_Full |
3546 ADVERTISED_100baseT_Half |
3547 ADVERTISED_100baseT_Full |
3548 ADVERTISED_Autoneg;
3549 }
Michael Chanb6016b72005-05-26 13:03:09 -07003550
Michael Chan239cd342007-10-17 19:26:15 -07003551 spin_lock_bh(&bp->phy_lock);
3552 bnx2_setup_phy(bp, bp->phy_port);
3553 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003554
3555 bp->autoneg = autoneg;
3556 bp->advertising = advertising;
3557
3558 bnx2_set_mac_addr(bp);
3559
3560 val = REG_RD(bp, BNX2_EMAC_MODE);
3561
3562 /* Enable port mode. */
3563 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003564 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003565 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003566 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003567 if (bp->phy_port == PORT_TP)
3568 val |= BNX2_EMAC_MODE_PORT_MII;
3569 else {
3570 val |= BNX2_EMAC_MODE_PORT_GMII;
3571 if (bp->line_speed == SPEED_2500)
3572 val |= BNX2_EMAC_MODE_25G_MODE;
3573 }
Michael Chanb6016b72005-05-26 13:03:09 -07003574
3575 REG_WR(bp, BNX2_EMAC_MODE, val);
3576
3577 /* receive all multicast */
3578 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3579 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3580 0xffffffff);
3581 }
3582 REG_WR(bp, BNX2_EMAC_RX_MODE,
3583 BNX2_EMAC_RX_MODE_SORT_MODE);
3584
3585 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3586 BNX2_RPM_SORT_USER0_MC_EN;
3587 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3588 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3589 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3590 BNX2_RPM_SORT_USER0_ENA);
3591
3592 /* Need to enable EMAC and RPM for WOL. */
3593 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3594 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3595 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3596 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3597
3598 val = REG_RD(bp, BNX2_RPM_CONFIG);
3599 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3600 REG_WR(bp, BNX2_RPM_CONFIG, val);
3601
3602 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3603 }
3604 else {
3605 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3606 }
3607
David S. Millerf86e82f2008-01-21 17:15:40 -08003608 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003609 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003610
3611 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3612 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3613 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3614
3615 if (bp->wol)
3616 pmcsr |= 3;
3617 }
3618 else {
3619 pmcsr |= 3;
3620 }
3621 if (bp->wol) {
3622 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3623 }
3624 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3625 pmcsr);
3626
3627 /* No more memory access after this point until
3628 * device is brought back to D0.
3629 */
3630 udelay(50);
3631 break;
3632 }
3633 default:
3634 return -EINVAL;
3635 }
3636 return 0;
3637}
3638
3639static int
3640bnx2_acquire_nvram_lock(struct bnx2 *bp)
3641{
3642 u32 val;
3643 int j;
3644
3645 /* Request access to the flash interface. */
3646 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3647 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3648 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3649 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3650 break;
3651
3652 udelay(5);
3653 }
3654
3655 if (j >= NVRAM_TIMEOUT_COUNT)
3656 return -EBUSY;
3657
3658 return 0;
3659}
3660
3661static int
3662bnx2_release_nvram_lock(struct bnx2 *bp)
3663{
3664 int j;
3665 u32 val;
3666
3667 /* Relinquish nvram interface. */
3668 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3669
3670 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3671 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3672 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3673 break;
3674
3675 udelay(5);
3676 }
3677
3678 if (j >= NVRAM_TIMEOUT_COUNT)
3679 return -EBUSY;
3680
3681 return 0;
3682}
3683
3684
3685static int
3686bnx2_enable_nvram_write(struct bnx2 *bp)
3687{
3688 u32 val;
3689
3690 val = REG_RD(bp, BNX2_MISC_CFG);
3691 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3692
Michael Chane30372c2007-07-16 18:26:23 -07003693 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003694 int j;
3695
3696 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3697 REG_WR(bp, BNX2_NVM_COMMAND,
3698 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3699
3700 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3701 udelay(5);
3702
3703 val = REG_RD(bp, BNX2_NVM_COMMAND);
3704 if (val & BNX2_NVM_COMMAND_DONE)
3705 break;
3706 }
3707
3708 if (j >= NVRAM_TIMEOUT_COUNT)
3709 return -EBUSY;
3710 }
3711 return 0;
3712}
3713
3714static void
3715bnx2_disable_nvram_write(struct bnx2 *bp)
3716{
3717 u32 val;
3718
3719 val = REG_RD(bp, BNX2_MISC_CFG);
3720 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3721}
3722
3723
3724static void
3725bnx2_enable_nvram_access(struct bnx2 *bp)
3726{
3727 u32 val;
3728
3729 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3730 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003731 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003732 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3733}
3734
3735static void
3736bnx2_disable_nvram_access(struct bnx2 *bp)
3737{
3738 u32 val;
3739
3740 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3741 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003742 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003743 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3744 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3745}
3746
3747static int
3748bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3749{
3750 u32 cmd;
3751 int j;
3752
Michael Chane30372c2007-07-16 18:26:23 -07003753 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003754 /* Buffered flash, no erase needed */
3755 return 0;
3756
3757 /* Build an erase command */
3758 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3759 BNX2_NVM_COMMAND_DOIT;
3760
3761 /* Need to clear DONE bit separately. */
3762 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3763
3764 /* Address of the NVRAM to read from. */
3765 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3766
3767 /* Issue an erase command. */
3768 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3769
3770 /* Wait for completion. */
3771 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3772 u32 val;
3773
3774 udelay(5);
3775
3776 val = REG_RD(bp, BNX2_NVM_COMMAND);
3777 if (val & BNX2_NVM_COMMAND_DONE)
3778 break;
3779 }
3780
3781 if (j >= NVRAM_TIMEOUT_COUNT)
3782 return -EBUSY;
3783
3784 return 0;
3785}
3786
3787static int
3788bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3789{
3790 u32 cmd;
3791 int j;
3792
3793 /* Build the command word. */
3794 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3795
Michael Chane30372c2007-07-16 18:26:23 -07003796 /* Calculate an offset of a buffered flash, not needed for 5709. */
3797 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003798 offset = ((offset / bp->flash_info->page_size) <<
3799 bp->flash_info->page_bits) +
3800 (offset % bp->flash_info->page_size);
3801 }
3802
3803 /* Need to clear DONE bit separately. */
3804 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3805
3806 /* Address of the NVRAM to read from. */
3807 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3808
3809 /* Issue a read command. */
3810 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3811
3812 /* Wait for completion. */
3813 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3814 u32 val;
3815
3816 udelay(5);
3817
3818 val = REG_RD(bp, BNX2_NVM_COMMAND);
3819 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003820 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3821 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003822 break;
3823 }
3824 }
3825 if (j >= NVRAM_TIMEOUT_COUNT)
3826 return -EBUSY;
3827
3828 return 0;
3829}
3830
3831
3832static int
3833bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3834{
Al Virob491edd2007-12-22 19:44:51 +00003835 u32 cmd;
3836 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003837 int j;
3838
3839 /* Build the command word. */
3840 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3841
Michael Chane30372c2007-07-16 18:26:23 -07003842 /* Calculate an offset of a buffered flash, not needed for 5709. */
3843 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003844 offset = ((offset / bp->flash_info->page_size) <<
3845 bp->flash_info->page_bits) +
3846 (offset % bp->flash_info->page_size);
3847 }
3848
3849 /* Need to clear DONE bit separately. */
3850 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3851
3852 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003853
3854 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003855 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003856
3857 /* Address of the NVRAM to write to. */
3858 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3859
3860 /* Issue the write command. */
3861 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3862
3863 /* Wait for completion. */
3864 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3865 udelay(5);
3866
3867 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3868 break;
3869 }
3870 if (j >= NVRAM_TIMEOUT_COUNT)
3871 return -EBUSY;
3872
3873 return 0;
3874}
3875
3876static int
3877bnx2_init_nvram(struct bnx2 *bp)
3878{
3879 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003880 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003881 struct flash_spec *flash;
3882
Michael Chane30372c2007-07-16 18:26:23 -07003883 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3884 bp->flash_info = &flash_5709;
3885 goto get_flash_size;
3886 }
3887
Michael Chanb6016b72005-05-26 13:03:09 -07003888 /* Determine the selected interface. */
3889 val = REG_RD(bp, BNX2_NVM_CFG1);
3890
Denis Chengff8ac602007-09-02 18:30:18 +08003891 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003892
Michael Chanb6016b72005-05-26 13:03:09 -07003893 if (val & 0x40000000) {
3894
3895 /* Flash interface has been reconfigured */
3896 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003897 j++, flash++) {
3898 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3899 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003900 bp->flash_info = flash;
3901 break;
3902 }
3903 }
3904 }
3905 else {
Michael Chan37137702005-11-04 08:49:17 -08003906 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003907 /* Not yet been reconfigured */
3908
Michael Chan37137702005-11-04 08:49:17 -08003909 if (val & (1 << 23))
3910 mask = FLASH_BACKUP_STRAP_MASK;
3911 else
3912 mask = FLASH_STRAP_MASK;
3913
Michael Chanb6016b72005-05-26 13:03:09 -07003914 for (j = 0, flash = &flash_table[0]; j < entry_count;
3915 j++, flash++) {
3916
Michael Chan37137702005-11-04 08:49:17 -08003917 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003918 bp->flash_info = flash;
3919
3920 /* Request access to the flash interface. */
3921 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3922 return rc;
3923
3924 /* Enable access to flash interface */
3925 bnx2_enable_nvram_access(bp);
3926
3927 /* Reconfigure the flash interface */
3928 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3929 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3930 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3931 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3932
3933 /* Disable access to flash interface */
3934 bnx2_disable_nvram_access(bp);
3935 bnx2_release_nvram_lock(bp);
3936
3937 break;
3938 }
3939 }
3940 } /* if (val & 0x40000000) */
3941
3942 if (j == entry_count) {
3943 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003944 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003945 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003946 }
3947
Michael Chane30372c2007-07-16 18:26:23 -07003948get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003949 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003950 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3951 if (val)
3952 bp->flash_size = val;
3953 else
3954 bp->flash_size = bp->flash_info->total_size;
3955
Michael Chanb6016b72005-05-26 13:03:09 -07003956 return rc;
3957}
3958
3959static int
3960bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3961 int buf_size)
3962{
3963 int rc = 0;
3964 u32 cmd_flags, offset32, len32, extra;
3965
3966 if (buf_size == 0)
3967 return 0;
3968
3969 /* Request access to the flash interface. */
3970 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3971 return rc;
3972
3973 /* Enable access to flash interface */
3974 bnx2_enable_nvram_access(bp);
3975
3976 len32 = buf_size;
3977 offset32 = offset;
3978 extra = 0;
3979
3980 cmd_flags = 0;
3981
3982 if (offset32 & 3) {
3983 u8 buf[4];
3984 u32 pre_len;
3985
3986 offset32 &= ~3;
3987 pre_len = 4 - (offset & 3);
3988
3989 if (pre_len >= len32) {
3990 pre_len = len32;
3991 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3992 BNX2_NVM_COMMAND_LAST;
3993 }
3994 else {
3995 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3996 }
3997
3998 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3999
4000 if (rc)
4001 return rc;
4002
4003 memcpy(ret_buf, buf + (offset & 3), pre_len);
4004
4005 offset32 += 4;
4006 ret_buf += pre_len;
4007 len32 -= pre_len;
4008 }
4009 if (len32 & 3) {
4010 extra = 4 - (len32 & 3);
4011 len32 = (len32 + 4) & ~3;
4012 }
4013
4014 if (len32 == 4) {
4015 u8 buf[4];
4016
4017 if (cmd_flags)
4018 cmd_flags = BNX2_NVM_COMMAND_LAST;
4019 else
4020 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4021 BNX2_NVM_COMMAND_LAST;
4022
4023 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4024
4025 memcpy(ret_buf, buf, 4 - extra);
4026 }
4027 else if (len32 > 0) {
4028 u8 buf[4];
4029
4030 /* Read the first word. */
4031 if (cmd_flags)
4032 cmd_flags = 0;
4033 else
4034 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4035
4036 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4037
4038 /* Advance to the next dword. */
4039 offset32 += 4;
4040 ret_buf += 4;
4041 len32 -= 4;
4042
4043 while (len32 > 4 && rc == 0) {
4044 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4045
4046 /* Advance to the next dword. */
4047 offset32 += 4;
4048 ret_buf += 4;
4049 len32 -= 4;
4050 }
4051
4052 if (rc)
4053 return rc;
4054
4055 cmd_flags = BNX2_NVM_COMMAND_LAST;
4056 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4057
4058 memcpy(ret_buf, buf, 4 - extra);
4059 }
4060
4061 /* Disable access to flash interface */
4062 bnx2_disable_nvram_access(bp);
4063
4064 bnx2_release_nvram_lock(bp);
4065
4066 return rc;
4067}
4068
4069static int
4070bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4071 int buf_size)
4072{
4073 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004074 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004075 int rc = 0;
4076 int align_start, align_end;
4077
4078 buf = data_buf;
4079 offset32 = offset;
4080 len32 = buf_size;
4081 align_start = align_end = 0;
4082
4083 if ((align_start = (offset32 & 3))) {
4084 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004085 len32 += align_start;
4086 if (len32 < 4)
4087 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004088 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4089 return rc;
4090 }
4091
4092 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004093 align_end = 4 - (len32 & 3);
4094 len32 += align_end;
4095 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4096 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004097 }
4098
4099 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004100 align_buf = kmalloc(len32, GFP_KERNEL);
4101 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004102 return -ENOMEM;
4103 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004104 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004105 }
4106 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004107 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004108 }
Michael Chane6be7632007-01-08 19:56:13 -08004109 memcpy(align_buf + align_start, data_buf, buf_size);
4110 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004111 }
4112
Michael Chane30372c2007-07-16 18:26:23 -07004113 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004114 flash_buffer = kmalloc(264, GFP_KERNEL);
4115 if (flash_buffer == NULL) {
4116 rc = -ENOMEM;
4117 goto nvram_write_end;
4118 }
4119 }
4120
Michael Chanb6016b72005-05-26 13:03:09 -07004121 written = 0;
4122 while ((written < len32) && (rc == 0)) {
4123 u32 page_start, page_end, data_start, data_end;
4124 u32 addr, cmd_flags;
4125 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004126
4127 /* Find the page_start addr */
4128 page_start = offset32 + written;
4129 page_start -= (page_start % bp->flash_info->page_size);
4130 /* Find the page_end addr */
4131 page_end = page_start + bp->flash_info->page_size;
4132 /* Find the data_start addr */
4133 data_start = (written == 0) ? offset32 : page_start;
4134 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004135 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004136 (offset32 + len32) : page_end;
4137
4138 /* Request access to the flash interface. */
4139 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4140 goto nvram_write_end;
4141
4142 /* Enable access to flash interface */
4143 bnx2_enable_nvram_access(bp);
4144
4145 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004146 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004147 int j;
4148
4149 /* Read the whole page into the buffer
4150 * (non-buffer flash only) */
4151 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4152 if (j == (bp->flash_info->page_size - 4)) {
4153 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4154 }
4155 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004156 page_start + j,
4157 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004158 cmd_flags);
4159
4160 if (rc)
4161 goto nvram_write_end;
4162
4163 cmd_flags = 0;
4164 }
4165 }
4166
4167 /* Enable writes to flash interface (unlock write-protect) */
4168 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4169 goto nvram_write_end;
4170
Michael Chanb6016b72005-05-26 13:03:09 -07004171 /* Loop to write back the buffer data from page_start to
4172 * data_start */
4173 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004174 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004175 /* Erase the page */
4176 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4177 goto nvram_write_end;
4178
4179 /* Re-enable the write again for the actual write */
4180 bnx2_enable_nvram_write(bp);
4181
Michael Chanb6016b72005-05-26 13:03:09 -07004182 for (addr = page_start; addr < data_start;
4183 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004184
Michael Chanb6016b72005-05-26 13:03:09 -07004185 rc = bnx2_nvram_write_dword(bp, addr,
4186 &flash_buffer[i], cmd_flags);
4187
4188 if (rc != 0)
4189 goto nvram_write_end;
4190
4191 cmd_flags = 0;
4192 }
4193 }
4194
4195 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004196 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004197 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004198 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004199 (addr == data_end - 4))) {
4200
4201 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4202 }
4203 rc = bnx2_nvram_write_dword(bp, addr, buf,
4204 cmd_flags);
4205
4206 if (rc != 0)
4207 goto nvram_write_end;
4208
4209 cmd_flags = 0;
4210 buf += 4;
4211 }
4212
4213 /* Loop to write back the buffer data from data_end
4214 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004215 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004216 for (addr = data_end; addr < page_end;
4217 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004218
Michael Chanb6016b72005-05-26 13:03:09 -07004219 if (addr == page_end-4) {
4220 cmd_flags = BNX2_NVM_COMMAND_LAST;
4221 }
4222 rc = bnx2_nvram_write_dword(bp, addr,
4223 &flash_buffer[i], cmd_flags);
4224
4225 if (rc != 0)
4226 goto nvram_write_end;
4227
4228 cmd_flags = 0;
4229 }
4230 }
4231
4232 /* Disable writes to flash interface (lock write-protect) */
4233 bnx2_disable_nvram_write(bp);
4234
4235 /* Disable access to flash interface */
4236 bnx2_disable_nvram_access(bp);
4237 bnx2_release_nvram_lock(bp);
4238
4239 /* Increment written */
4240 written += data_end - data_start;
4241 }
4242
4243nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004244 kfree(flash_buffer);
4245 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004246 return rc;
4247}
4248
Michael Chan0d8a6572007-07-07 22:49:43 -07004249static void
4250bnx2_init_remote_phy(struct bnx2 *bp)
4251{
4252 u32 val;
4253
Michael Chan583c28e2008-01-21 19:51:35 -08004254 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4255 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004256 return;
4257
Michael Chan2726d6e2008-01-29 21:35:05 -08004258 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004259 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4260 return;
4261
4262 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004263 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004264
Michael Chan2726d6e2008-01-29 21:35:05 -08004265 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004266 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4267 bp->phy_port = PORT_FIBRE;
4268 else
4269 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004270
4271 if (netif_running(bp->dev)) {
4272 u32 sig;
4273
Michael Chan489310a2007-10-10 16:16:31 -07004274 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4275 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004276 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004277 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004278 }
4279}
4280
Michael Chanb4b36042007-12-20 19:59:30 -08004281static void
4282bnx2_setup_msix_tbl(struct bnx2 *bp)
4283{
4284 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4285
4286 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4287 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4288}
4289
Michael Chanb6016b72005-05-26 13:03:09 -07004290static int
4291bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4292{
4293 u32 val;
4294 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004295 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004296
4297 /* Wait for the current PCI transaction to complete before
4298 * issuing a reset. */
4299 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4300 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4301 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4302 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4303 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4304 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4305 udelay(5);
4306
Michael Chanb090ae22006-01-23 16:07:10 -08004307 /* Wait for the firmware to tell us it is ok to issue a reset. */
4308 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4309
Michael Chanb6016b72005-05-26 13:03:09 -07004310 /* Deposit a driver reset signature so the firmware knows that
4311 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004312 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4313 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004314
Michael Chanb6016b72005-05-26 13:03:09 -07004315 /* Do a dummy read to force the chip to complete all current transaction
4316 * before we issue a reset. */
4317 val = REG_RD(bp, BNX2_MISC_ID);
4318
Michael Chan234754d2006-11-19 14:11:41 -08004319 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4320 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4321 REG_RD(bp, BNX2_MISC_COMMAND);
4322 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004323
Michael Chan234754d2006-11-19 14:11:41 -08004324 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4325 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004326
Michael Chan234754d2006-11-19 14:11:41 -08004327 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004328
Michael Chan234754d2006-11-19 14:11:41 -08004329 } else {
4330 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4331 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4332 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4333
4334 /* Chip reset. */
4335 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4336
Michael Chan594a9df2007-08-28 15:39:42 -07004337 /* Reading back any register after chip reset will hang the
4338 * bus on 5706 A0 and A1. The msleep below provides plenty
4339 * of margin for write posting.
4340 */
Michael Chan234754d2006-11-19 14:11:41 -08004341 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004342 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4343 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004344
Michael Chan234754d2006-11-19 14:11:41 -08004345 /* Reset takes approximate 30 usec */
4346 for (i = 0; i < 10; i++) {
4347 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4348 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4349 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4350 break;
4351 udelay(10);
4352 }
4353
4354 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4355 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4356 printk(KERN_ERR PFX "Chip reset did not complete\n");
4357 return -EBUSY;
4358 }
Michael Chanb6016b72005-05-26 13:03:09 -07004359 }
4360
4361 /* Make sure byte swapping is properly configured. */
4362 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4363 if (val != 0x01020304) {
4364 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4365 return -ENODEV;
4366 }
4367
Michael Chanb6016b72005-05-26 13:03:09 -07004368 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004369 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4370 if (rc)
4371 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004372
Michael Chan0d8a6572007-07-07 22:49:43 -07004373 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004374 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004375 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004376 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4377 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004378 bnx2_set_default_remote_link(bp);
4379 spin_unlock_bh(&bp->phy_lock);
4380
Michael Chanb6016b72005-05-26 13:03:09 -07004381 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4382 /* Adjust the voltage regular to two steps lower. The default
4383 * of this register is 0x0000000e. */
4384 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4385
4386 /* Remove bad rbuf memory from the free pool. */
4387 rc = bnx2_alloc_bad_rbuf(bp);
4388 }
4389
David S. Millerf86e82f2008-01-21 17:15:40 -08004390 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004391 bnx2_setup_msix_tbl(bp);
4392
Michael Chanb6016b72005-05-26 13:03:09 -07004393 return rc;
4394}
4395
4396static int
4397bnx2_init_chip(struct bnx2 *bp)
4398{
4399 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004400 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004401
4402 /* Make sure the interrupt is not active. */
4403 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4404
4405 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4406 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4407#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004408 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004409#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004410 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004411 DMA_READ_CHANS << 12 |
4412 DMA_WRITE_CHANS << 16;
4413
4414 val |= (0x2 << 20) | (1 << 11);
4415
David S. Millerf86e82f2008-01-21 17:15:40 -08004416 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004417 val |= (1 << 23);
4418
4419 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004420 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004421 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4422
4423 REG_WR(bp, BNX2_DMA_CONFIG, val);
4424
4425 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4426 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4427 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4428 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4429 }
4430
David S. Millerf86e82f2008-01-21 17:15:40 -08004431 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004432 u16 val16;
4433
4434 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4435 &val16);
4436 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4437 val16 & ~PCI_X_CMD_ERO);
4438 }
4439
4440 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4441 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4442 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4443 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4444
4445 /* Initialize context mapping and zero out the quick contexts. The
4446 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004447 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4448 rc = bnx2_init_5709_context(bp);
4449 if (rc)
4450 return rc;
4451 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004452 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004453
Michael Chanfba9fe92006-06-12 22:21:25 -07004454 if ((rc = bnx2_init_cpus(bp)) != 0)
4455 return rc;
4456
Michael Chanb6016b72005-05-26 13:03:09 -07004457 bnx2_init_nvram(bp);
4458
4459 bnx2_set_mac_addr(bp);
4460
4461 val = REG_RD(bp, BNX2_MQ_CONFIG);
4462 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4463 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004464 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4465 val |= BNX2_MQ_CONFIG_HALT_DIS;
4466
Michael Chanb6016b72005-05-26 13:03:09 -07004467 REG_WR(bp, BNX2_MQ_CONFIG, val);
4468
4469 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4470 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4471 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4472
4473 val = (BCM_PAGE_BITS - 8) << 24;
4474 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4475
4476 /* Configure page size. */
4477 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4478 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4479 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4480 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4481
4482 val = bp->mac_addr[0] +
4483 (bp->mac_addr[1] << 8) +
4484 (bp->mac_addr[2] << 16) +
4485 bp->mac_addr[3] +
4486 (bp->mac_addr[4] << 8) +
4487 (bp->mac_addr[5] << 16);
4488 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4489
4490 /* Program the MTU. Also include 4 bytes for CRC32. */
4491 val = bp->dev->mtu + ETH_HLEN + 4;
4492 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4493 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4494 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4495
Michael Chanb4b36042007-12-20 19:59:30 -08004496 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4497 bp->bnx2_napi[i].last_status_idx = 0;
4498
Michael Chanb6016b72005-05-26 13:03:09 -07004499 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4500
4501 /* Set up how to generate a link change interrupt. */
4502 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4503
4504 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4505 (u64) bp->status_blk_mapping & 0xffffffff);
4506 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4507
4508 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4509 (u64) bp->stats_blk_mapping & 0xffffffff);
4510 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4511 (u64) bp->stats_blk_mapping >> 32);
4512
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004513 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004514 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4515
4516 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4517 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4518
4519 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4520 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4521
4522 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4523
4524 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4525
4526 REG_WR(bp, BNX2_HC_COM_TICKS,
4527 (bp->com_ticks_int << 16) | bp->com_ticks);
4528
4529 REG_WR(bp, BNX2_HC_CMD_TICKS,
4530 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4531
Michael Chan02537b062007-06-04 21:24:07 -07004532 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4533 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4534 else
Michael Chan7ea69202007-07-16 18:27:10 -07004535 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004536 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4537
4538 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004539 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004540 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004541 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4542 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004543 }
4544
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004545 if (bp->irq_nvecs > 1) {
Michael Chanc76c0472007-12-20 20:01:19 -08004546 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4547 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4548
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004549 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4550 }
4551
4552 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4553 val |= BNX2_HC_CONFIG_ONE_SHOT;
4554
4555 REG_WR(bp, BNX2_HC_CONFIG, val);
4556
4557 for (i = 1; i < bp->irq_nvecs; i++) {
4558 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4559 BNX2_HC_SB_CONFIG_1;
4560
Michael Chan6f743ca2008-01-29 21:34:08 -08004561 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004562 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004563 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004564 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4565
Michael Chan6f743ca2008-01-29 21:34:08 -08004566 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004567 (bp->tx_quick_cons_trip_int << 16) |
4568 bp->tx_quick_cons_trip);
4569
Michael Chan6f743ca2008-01-29 21:34:08 -08004570 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004571 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4572
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004573 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4574 (bp->rx_quick_cons_trip_int << 16) |
4575 bp->rx_quick_cons_trip);
4576
4577 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4578 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004579 }
4580
Michael Chanb6016b72005-05-26 13:03:09 -07004581 /* Clear internal stats counters. */
4582 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4583
Michael Chanda3e4fb2007-05-03 13:24:23 -07004584 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004585
4586 /* Initialize the receive filter. */
4587 bnx2_set_rx_mode(bp->dev);
4588
Michael Chan0aa38df2007-06-04 21:23:06 -07004589 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4590 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4591 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4592 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4593 }
Michael Chanb090ae22006-01-23 16:07:10 -08004594 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4595 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004596
Michael Chandf149d72007-07-07 22:51:36 -07004597 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004598 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4599
4600 udelay(20);
4601
Michael Chanbf5295b2006-03-23 01:11:56 -08004602 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4603
Michael Chanb090ae22006-01-23 16:07:10 -08004604 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004605}
4606
Michael Chan59b47d82006-11-19 14:10:45 -08004607static void
Michael Chanc76c0472007-12-20 20:01:19 -08004608bnx2_clear_ring_states(struct bnx2 *bp)
4609{
4610 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004611 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004612 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08004613 int i;
4614
4615 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4616 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07004617 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004618 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08004619
Michael Chan35e90102008-06-19 16:37:42 -07004620 txr->tx_cons = 0;
4621 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004622 rxr->rx_prod_bseq = 0;
4623 rxr->rx_prod = 0;
4624 rxr->rx_cons = 0;
4625 rxr->rx_pg_prod = 0;
4626 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08004627 }
4628}
4629
4630static void
Michael Chan35e90102008-06-19 16:37:42 -07004631bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08004632{
4633 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004634 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004635
4636 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4637 offset0 = BNX2_L2CTX_TYPE_XI;
4638 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4639 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4640 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4641 } else {
4642 offset0 = BNX2_L2CTX_TYPE;
4643 offset1 = BNX2_L2CTX_CMD_TYPE;
4644 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4645 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4646 }
4647 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004648 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004649
4650 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004651 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004652
Michael Chan35e90102008-06-19 16:37:42 -07004653 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004654 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004655
Michael Chan35e90102008-06-19 16:37:42 -07004656 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004657 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004658}
Michael Chanb6016b72005-05-26 13:03:09 -07004659
4660static void
Michael Chan35e90102008-06-19 16:37:42 -07004661bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07004662{
4663 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004664 u32 cid = TX_CID;
4665 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004666 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08004667
Michael Chan35e90102008-06-19 16:37:42 -07004668 bnapi = &bp->bnx2_napi[ring_num];
4669 txr = &bnapi->tx_ring;
4670
4671 if (ring_num == 0)
4672 cid = TX_CID;
4673 else
4674 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004675
Michael Chan2f8af122006-08-15 01:39:10 -07004676 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4677
Michael Chan35e90102008-06-19 16:37:42 -07004678 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004679
Michael Chan35e90102008-06-19 16:37:42 -07004680 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4681 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07004682
Michael Chan35e90102008-06-19 16:37:42 -07004683 txr->tx_prod = 0;
4684 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004685
Michael Chan35e90102008-06-19 16:37:42 -07004686 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4687 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004688
Michael Chan35e90102008-06-19 16:37:42 -07004689 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07004690}
4691
4692static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004693bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4694 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004695{
Michael Chanb6016b72005-05-26 13:03:09 -07004696 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004697 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004698
Michael Chan5d5d0012007-12-12 11:17:43 -08004699 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004700 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004701
Michael Chan5d5d0012007-12-12 11:17:43 -08004702 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004703 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004704 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004705 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4706 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004707 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004708 j = 0;
4709 else
4710 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004711 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4712 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004713 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004714}
4715
4716static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07004717bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08004718{
4719 int i;
4720 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004721 u32 cid, rx_cid_addr, val;
4722 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4723 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08004724
Michael Chanbb4f98a2008-06-19 16:38:19 -07004725 if (ring_num == 0)
4726 cid = RX_CID;
4727 else
4728 cid = RX_RSS_CID + ring_num - 1;
4729
4730 rx_cid_addr = GET_CID_ADDR(cid);
4731
4732 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08004733 bp->rx_buf_use_size, bp->rx_max_ring);
4734
Michael Chanbb4f98a2008-06-19 16:38:19 -07004735 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08004736
4737 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4738 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4739 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4740 }
4741
Michael Chan62a83132008-01-29 21:35:40 -08004742 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004743 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004744 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4745 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08004746 PAGE_SIZE, bp->rx_max_pg_ring);
4747 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004748 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4749 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004750 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08004751
Michael Chanbb4f98a2008-06-19 16:38:19 -07004752 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004753 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004754
Michael Chanbb4f98a2008-06-19 16:38:19 -07004755 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004756 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004757
4758 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4759 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4760 }
Michael Chanb6016b72005-05-26 13:03:09 -07004761
Michael Chanbb4f98a2008-06-19 16:38:19 -07004762 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004763 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004764
Michael Chanbb4f98a2008-06-19 16:38:19 -07004765 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004766 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004767
Michael Chanbb4f98a2008-06-19 16:38:19 -07004768 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004769 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004770 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
Michael Chan47bf4242007-12-12 11:19:12 -08004771 break;
4772 prod = NEXT_RX_BD(prod);
4773 ring_prod = RX_PG_RING_IDX(prod);
4774 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004775 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004776
Michael Chanbb4f98a2008-06-19 16:38:19 -07004777 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004778 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004779 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
Michael Chanb6016b72005-05-26 13:03:09 -07004780 break;
Michael Chanb6016b72005-05-26 13:03:09 -07004781 prod = NEXT_RX_BD(prod);
4782 ring_prod = RX_RING_IDX(prod);
4783 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004784 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004785
Michael Chanbb4f98a2008-06-19 16:38:19 -07004786 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4787 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4788 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07004789
Michael Chanbb4f98a2008-06-19 16:38:19 -07004790 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4791 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4792
4793 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004794}
4795
Michael Chan35e90102008-06-19 16:37:42 -07004796static void
4797bnx2_init_all_rings(struct bnx2 *bp)
4798{
4799 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004800 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07004801
4802 bnx2_clear_ring_states(bp);
4803
4804 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4805 for (i = 0; i < bp->num_tx_rings; i++)
4806 bnx2_init_tx_ring(bp, i);
4807
4808 if (bp->num_tx_rings > 1)
4809 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4810 (TX_TSS_CID << 7));
4811
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004812 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4813 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4814
Michael Chanbb4f98a2008-06-19 16:38:19 -07004815 for (i = 0; i < bp->num_rx_rings; i++)
4816 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004817
4818 if (bp->num_rx_rings > 1) {
4819 u32 tbl_32;
4820 u8 *tbl = (u8 *) &tbl_32;
4821
4822 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4823 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4824
4825 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4826 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4827 if ((i % 4) == 3)
4828 bnx2_reg_wr_ind(bp,
4829 BNX2_RXP_SCRATCH_RSS_TBL + i,
4830 cpu_to_be32(tbl_32));
4831 }
4832
4833 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4834 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4835
4836 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4837
4838 }
Michael Chan35e90102008-06-19 16:37:42 -07004839}
4840
Michael Chan5d5d0012007-12-12 11:17:43 -08004841static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004842{
Michael Chan5d5d0012007-12-12 11:17:43 -08004843 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004844
Michael Chan5d5d0012007-12-12 11:17:43 -08004845 while (ring_size > MAX_RX_DESC_CNT) {
4846 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004847 num_rings++;
4848 }
4849 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004850 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004851 while ((max & num_rings) == 0)
4852 max >>= 1;
4853
4854 if (num_rings != max)
4855 max <<= 1;
4856
Michael Chan5d5d0012007-12-12 11:17:43 -08004857 return max;
4858}
4859
4860static void
4861bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4862{
Michael Chan84eaa182007-12-12 11:19:57 -08004863 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004864
4865 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004866 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08004867
Michael Chan84eaa182007-12-12 11:19:57 -08004868 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4869 sizeof(struct skb_shared_info);
4870
Benjamin Li601d3d12008-05-16 22:19:35 -07004871 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004872 bp->rx_pg_ring_size = 0;
4873 bp->rx_max_pg_ring = 0;
4874 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004875 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004876 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4877
4878 jumbo_size = size * pages;
4879 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4880 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4881
4882 bp->rx_pg_ring_size = jumbo_size;
4883 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4884 MAX_RX_PG_RINGS);
4885 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07004886 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08004887 bp->rx_copy_thresh = 0;
4888 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004889
4890 bp->rx_buf_use_size = rx_size;
4891 /* hw alignment */
4892 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004893 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08004894 bp->rx_ring_size = size;
4895 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004896 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4897}
4898
4899static void
Michael Chanb6016b72005-05-26 13:03:09 -07004900bnx2_free_tx_skbs(struct bnx2 *bp)
4901{
4902 int i;
4903
Michael Chan35e90102008-06-19 16:37:42 -07004904 for (i = 0; i < bp->num_tx_rings; i++) {
4905 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4906 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
4907 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004908
Michael Chan35e90102008-06-19 16:37:42 -07004909 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004910 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004911
Michael Chan35e90102008-06-19 16:37:42 -07004912 for (j = 0; j < TX_DESC_CNT; ) {
4913 struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
4914 struct sk_buff *skb = tx_buf->skb;
4915 int k, last;
4916
4917 if (skb == NULL) {
4918 j++;
4919 continue;
4920 }
4921
4922 pci_unmap_single(bp->pdev,
4923 pci_unmap_addr(tx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07004924 skb_headlen(skb), PCI_DMA_TODEVICE);
4925
Michael Chan35e90102008-06-19 16:37:42 -07004926 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004927
Michael Chan35e90102008-06-19 16:37:42 -07004928 last = skb_shinfo(skb)->nr_frags;
4929 for (k = 0; k < last; k++) {
4930 tx_buf = &txr->tx_buf_ring[j + k + 1];
4931 pci_unmap_page(bp->pdev,
4932 pci_unmap_addr(tx_buf, mapping),
4933 skb_shinfo(skb)->frags[j].size,
4934 PCI_DMA_TODEVICE);
4935 }
4936 dev_kfree_skb(skb);
4937 j += k + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004938 }
Michael Chanb6016b72005-05-26 13:03:09 -07004939 }
Michael Chanb6016b72005-05-26 13:03:09 -07004940}
4941
4942static void
4943bnx2_free_rx_skbs(struct bnx2 *bp)
4944{
4945 int i;
4946
Michael Chanbb4f98a2008-06-19 16:38:19 -07004947 for (i = 0; i < bp->num_rx_rings; i++) {
4948 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4949 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4950 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004951
Michael Chanbb4f98a2008-06-19 16:38:19 -07004952 if (rxr->rx_buf_ring == NULL)
4953 return;
Michael Chanb6016b72005-05-26 13:03:09 -07004954
Michael Chanbb4f98a2008-06-19 16:38:19 -07004955 for (j = 0; j < bp->rx_max_ring_idx; j++) {
4956 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
4957 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07004958
Michael Chanbb4f98a2008-06-19 16:38:19 -07004959 if (skb == NULL)
4960 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004961
Michael Chanbb4f98a2008-06-19 16:38:19 -07004962 pci_unmap_single(bp->pdev,
4963 pci_unmap_addr(rx_buf, mapping),
4964 bp->rx_buf_use_size,
4965 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07004966
Michael Chanbb4f98a2008-06-19 16:38:19 -07004967 rx_buf->skb = NULL;
4968
4969 dev_kfree_skb(skb);
4970 }
4971 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
4972 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07004973 }
4974}
4975
4976static void
4977bnx2_free_skbs(struct bnx2 *bp)
4978{
4979 bnx2_free_tx_skbs(bp);
4980 bnx2_free_rx_skbs(bp);
4981}
4982
4983static int
4984bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4985{
4986 int rc;
4987
4988 rc = bnx2_reset_chip(bp, reset_code);
4989 bnx2_free_skbs(bp);
4990 if (rc)
4991 return rc;
4992
Michael Chanfba9fe92006-06-12 22:21:25 -07004993 if ((rc = bnx2_init_chip(bp)) != 0)
4994 return rc;
4995
Michael Chan35e90102008-06-19 16:37:42 -07004996 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004997 return 0;
4998}
4999
5000static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005001bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005002{
5003 int rc;
5004
5005 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5006 return rc;
5007
Michael Chan80be4432006-11-19 14:07:28 -08005008 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005009 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005010 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005011 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5012 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005013 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005014 return 0;
5015}
5016
5017static int
5018bnx2_test_registers(struct bnx2 *bp)
5019{
5020 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005021 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005022 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005023 u16 offset;
5024 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005025#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005026 u32 rw_mask;
5027 u32 ro_mask;
5028 } reg_tbl[] = {
5029 { 0x006c, 0, 0x00000000, 0x0000003f },
5030 { 0x0090, 0, 0xffffffff, 0x00000000 },
5031 { 0x0094, 0, 0x00000000, 0x00000000 },
5032
Michael Chan5bae30c2007-05-03 13:18:46 -07005033 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5034 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5035 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5036 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5037 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5038 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5039 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5040 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5041 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005042
Michael Chan5bae30c2007-05-03 13:18:46 -07005043 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5044 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5045 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5046 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5047 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5048 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005049
Michael Chan5bae30c2007-05-03 13:18:46 -07005050 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5051 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5052 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005053
5054 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005055 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005056
5057 { 0x1408, 0, 0x01c00800, 0x00000000 },
5058 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5059 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005060 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005061 { 0x14b0, 0, 0x00000002, 0x00000001 },
5062 { 0x14b8, 0, 0x00000000, 0x00000000 },
5063 { 0x14c0, 0, 0x00000000, 0x00000009 },
5064 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5065 { 0x14cc, 0, 0x00000000, 0x00000001 },
5066 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005067
5068 { 0x1800, 0, 0x00000000, 0x00000001 },
5069 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005070
5071 { 0x2800, 0, 0x00000000, 0x00000001 },
5072 { 0x2804, 0, 0x00000000, 0x00003f01 },
5073 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5074 { 0x2810, 0, 0xffff0000, 0x00000000 },
5075 { 0x2814, 0, 0xffff0000, 0x00000000 },
5076 { 0x2818, 0, 0xffff0000, 0x00000000 },
5077 { 0x281c, 0, 0xffff0000, 0x00000000 },
5078 { 0x2834, 0, 0xffffffff, 0x00000000 },
5079 { 0x2840, 0, 0x00000000, 0xffffffff },
5080 { 0x2844, 0, 0x00000000, 0xffffffff },
5081 { 0x2848, 0, 0xffffffff, 0x00000000 },
5082 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5083
5084 { 0x2c00, 0, 0x00000000, 0x00000011 },
5085 { 0x2c04, 0, 0x00000000, 0x00030007 },
5086
Michael Chanb6016b72005-05-26 13:03:09 -07005087 { 0x3c00, 0, 0x00000000, 0x00000001 },
5088 { 0x3c04, 0, 0x00000000, 0x00070000 },
5089 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5090 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5091 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5092 { 0x3c14, 0, 0x00000000, 0xffffffff },
5093 { 0x3c18, 0, 0x00000000, 0xffffffff },
5094 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5095 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005096
5097 { 0x5004, 0, 0x00000000, 0x0000007f },
5098 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005099
Michael Chanb6016b72005-05-26 13:03:09 -07005100 { 0x5c00, 0, 0x00000000, 0x00000001 },
5101 { 0x5c04, 0, 0x00000000, 0x0003000f },
5102 { 0x5c08, 0, 0x00000003, 0x00000000 },
5103 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5104 { 0x5c10, 0, 0x00000000, 0xffffffff },
5105 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5106 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5107 { 0x5c88, 0, 0x00000000, 0x00077373 },
5108 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5109
5110 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5111 { 0x680c, 0, 0xffffffff, 0x00000000 },
5112 { 0x6810, 0, 0xffffffff, 0x00000000 },
5113 { 0x6814, 0, 0xffffffff, 0x00000000 },
5114 { 0x6818, 0, 0xffffffff, 0x00000000 },
5115 { 0x681c, 0, 0xffffffff, 0x00000000 },
5116 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5117 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5118 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5119 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5120 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5121 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5122 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5123 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5124 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5125 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5126 { 0x684c, 0, 0xffffffff, 0x00000000 },
5127 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5128 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5129 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5130 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5131 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5132 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5133
5134 { 0xffff, 0, 0x00000000, 0x00000000 },
5135 };
5136
5137 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005138 is_5709 = 0;
5139 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5140 is_5709 = 1;
5141
Michael Chanb6016b72005-05-26 13:03:09 -07005142 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5143 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005144 u16 flags = reg_tbl[i].flags;
5145
5146 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5147 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005148
5149 offset = (u32) reg_tbl[i].offset;
5150 rw_mask = reg_tbl[i].rw_mask;
5151 ro_mask = reg_tbl[i].ro_mask;
5152
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005153 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005154
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005155 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005156
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005157 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005158 if ((val & rw_mask) != 0) {
5159 goto reg_test_err;
5160 }
5161
5162 if ((val & ro_mask) != (save_val & ro_mask)) {
5163 goto reg_test_err;
5164 }
5165
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005166 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005167
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005168 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005169 if ((val & rw_mask) != rw_mask) {
5170 goto reg_test_err;
5171 }
5172
5173 if ((val & ro_mask) != (save_val & ro_mask)) {
5174 goto reg_test_err;
5175 }
5176
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005177 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005178 continue;
5179
5180reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005181 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005182 ret = -ENODEV;
5183 break;
5184 }
5185 return ret;
5186}
5187
5188static int
5189bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5190{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005191 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005192 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5193 int i;
5194
5195 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5196 u32 offset;
5197
5198 for (offset = 0; offset < size; offset += 4) {
5199
Michael Chan2726d6e2008-01-29 21:35:05 -08005200 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005201
Michael Chan2726d6e2008-01-29 21:35:05 -08005202 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005203 test_pattern[i]) {
5204 return -ENODEV;
5205 }
5206 }
5207 }
5208 return 0;
5209}
5210
5211static int
5212bnx2_test_memory(struct bnx2 *bp)
5213{
5214 int ret = 0;
5215 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005216 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005217 u32 offset;
5218 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005219 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005220 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005221 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005222 { 0xe0000, 0x4000 },
5223 { 0x120000, 0x4000 },
5224 { 0x1a0000, 0x4000 },
5225 { 0x160000, 0x4000 },
5226 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005227 },
5228 mem_tbl_5709[] = {
5229 { 0x60000, 0x4000 },
5230 { 0xa0000, 0x3000 },
5231 { 0xe0000, 0x4000 },
5232 { 0x120000, 0x4000 },
5233 { 0x1a0000, 0x4000 },
5234 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005235 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005236 struct mem_entry *mem_tbl;
5237
5238 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5239 mem_tbl = mem_tbl_5709;
5240 else
5241 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005242
5243 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5244 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5245 mem_tbl[i].len)) != 0) {
5246 return ret;
5247 }
5248 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005249
Michael Chanb6016b72005-05-26 13:03:09 -07005250 return ret;
5251}
5252
Michael Chanbc5a0692006-01-23 16:13:22 -08005253#define BNX2_MAC_LOOPBACK 0
5254#define BNX2_PHY_LOOPBACK 1
5255
Michael Chanb6016b72005-05-26 13:03:09 -07005256static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005257bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005258{
5259 unsigned int pkt_size, num_pkts, i;
5260 struct sk_buff *skb, *rx_skb;
5261 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005262 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005263 dma_addr_t map;
5264 struct tx_bd *txbd;
5265 struct sw_bd *rx_buf;
5266 struct l2_fhdr *rx_hdr;
5267 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005268 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005269 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005270 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005271
5272 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005273
Michael Chan35e90102008-06-19 16:37:42 -07005274 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005275 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005276 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5277 bp->loopback = MAC_LOOPBACK;
5278 bnx2_set_mac_loopback(bp);
5279 }
5280 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005281 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005282 return 0;
5283
Michael Chan80be4432006-11-19 14:07:28 -08005284 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005285 bnx2_set_phy_loopback(bp);
5286 }
5287 else
5288 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005289
Michael Chan84eaa182007-12-12 11:19:57 -08005290 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005291 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005292 if (!skb)
5293 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005294 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005295 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005296 memset(packet + 6, 0x0, 8);
5297 for (i = 14; i < pkt_size; i++)
5298 packet[i] = (unsigned char) (i & 0xff);
5299
5300 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5301 PCI_DMA_TODEVICE);
5302
Michael Chanbf5295b2006-03-23 01:11:56 -08005303 REG_WR(bp, BNX2_HC_COMMAND,
5304 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5305
Michael Chanb6016b72005-05-26 13:03:09 -07005306 REG_RD(bp, BNX2_HC_COMMAND);
5307
5308 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005309 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005310
Michael Chanb6016b72005-05-26 13:03:09 -07005311 num_pkts = 0;
5312
Michael Chan35e90102008-06-19 16:37:42 -07005313 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005314
5315 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5316 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5317 txbd->tx_bd_mss_nbytes = pkt_size;
5318 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5319
5320 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005321 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5322 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005323
Michael Chan35e90102008-06-19 16:37:42 -07005324 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5325 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005326
5327 udelay(100);
5328
Michael Chanbf5295b2006-03-23 01:11:56 -08005329 REG_WR(bp, BNX2_HC_COMMAND,
5330 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5331
Michael Chanb6016b72005-05-26 13:03:09 -07005332 REG_RD(bp, BNX2_HC_COMMAND);
5333
5334 udelay(5);
5335
5336 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005337 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005338
Michael Chan35e90102008-06-19 16:37:42 -07005339 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005340 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005341
Michael Chan35efa7c2007-12-20 19:56:37 -08005342 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005343 if (rx_idx != rx_start_idx + num_pkts) {
5344 goto loopback_test_done;
5345 }
5346
Michael Chanbb4f98a2008-06-19 16:38:19 -07005347 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005348 rx_skb = rx_buf->skb;
5349
5350 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005351 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005352
5353 pci_dma_sync_single_for_cpu(bp->pdev,
5354 pci_unmap_addr(rx_buf, mapping),
5355 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5356
Michael Chanade2bfe2006-01-23 16:09:51 -08005357 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005358 (L2_FHDR_ERRORS_BAD_CRC |
5359 L2_FHDR_ERRORS_PHY_DECODE |
5360 L2_FHDR_ERRORS_ALIGNMENT |
5361 L2_FHDR_ERRORS_TOO_SHORT |
5362 L2_FHDR_ERRORS_GIANT_FRAME)) {
5363
5364 goto loopback_test_done;
5365 }
5366
5367 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5368 goto loopback_test_done;
5369 }
5370
5371 for (i = 14; i < pkt_size; i++) {
5372 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5373 goto loopback_test_done;
5374 }
5375 }
5376
5377 ret = 0;
5378
5379loopback_test_done:
5380 bp->loopback = 0;
5381 return ret;
5382}
5383
Michael Chanbc5a0692006-01-23 16:13:22 -08005384#define BNX2_MAC_LOOPBACK_FAILED 1
5385#define BNX2_PHY_LOOPBACK_FAILED 2
5386#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5387 BNX2_PHY_LOOPBACK_FAILED)
5388
5389static int
5390bnx2_test_loopback(struct bnx2 *bp)
5391{
5392 int rc = 0;
5393
5394 if (!netif_running(bp->dev))
5395 return BNX2_LOOPBACK_FAILED;
5396
5397 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5398 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005399 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005400 spin_unlock_bh(&bp->phy_lock);
5401 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5402 rc |= BNX2_MAC_LOOPBACK_FAILED;
5403 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5404 rc |= BNX2_PHY_LOOPBACK_FAILED;
5405 return rc;
5406}
5407
Michael Chanb6016b72005-05-26 13:03:09 -07005408#define NVRAM_SIZE 0x200
5409#define CRC32_RESIDUAL 0xdebb20e3
5410
5411static int
5412bnx2_test_nvram(struct bnx2 *bp)
5413{
Al Virob491edd2007-12-22 19:44:51 +00005414 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005415 u8 *data = (u8 *) buf;
5416 int rc = 0;
5417 u32 magic, csum;
5418
5419 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5420 goto test_nvram_done;
5421
5422 magic = be32_to_cpu(buf[0]);
5423 if (magic != 0x669955aa) {
5424 rc = -ENODEV;
5425 goto test_nvram_done;
5426 }
5427
5428 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5429 goto test_nvram_done;
5430
5431 csum = ether_crc_le(0x100, data);
5432 if (csum != CRC32_RESIDUAL) {
5433 rc = -ENODEV;
5434 goto test_nvram_done;
5435 }
5436
5437 csum = ether_crc_le(0x100, data + 0x100);
5438 if (csum != CRC32_RESIDUAL) {
5439 rc = -ENODEV;
5440 }
5441
5442test_nvram_done:
5443 return rc;
5444}
5445
5446static int
5447bnx2_test_link(struct bnx2 *bp)
5448{
5449 u32 bmsr;
5450
Michael Chan583c28e2008-01-21 19:51:35 -08005451 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005452 if (bp->link_up)
5453 return 0;
5454 return -ENODEV;
5455 }
Michael Chanc770a652005-08-25 15:38:39 -07005456 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005457 bnx2_enable_bmsr1(bp);
5458 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5459 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5460 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005461 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005462
Michael Chanb6016b72005-05-26 13:03:09 -07005463 if (bmsr & BMSR_LSTATUS) {
5464 return 0;
5465 }
5466 return -ENODEV;
5467}
5468
5469static int
5470bnx2_test_intr(struct bnx2 *bp)
5471{
5472 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005473 u16 status_idx;
5474
5475 if (!netif_running(bp->dev))
5476 return -ENODEV;
5477
5478 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5479
5480 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005481 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005482 REG_RD(bp, BNX2_HC_COMMAND);
5483
5484 for (i = 0; i < 10; i++) {
5485 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5486 status_idx) {
5487
5488 break;
5489 }
5490
5491 msleep_interruptible(10);
5492 }
5493 if (i < 10)
5494 return 0;
5495
5496 return -ENODEV;
5497}
5498
Michael Chan38ea3682008-02-23 19:48:57 -08005499/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005500static int
5501bnx2_5706_serdes_has_link(struct bnx2 *bp)
5502{
5503 u32 mode_ctl, an_dbg, exp;
5504
Michael Chan38ea3682008-02-23 19:48:57 -08005505 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5506 return 0;
5507
Michael Chanb2fadea2008-01-21 17:07:06 -08005508 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5509 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5510
5511 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5512 return 0;
5513
5514 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5515 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5516 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5517
Michael Chanf3014c02008-01-29 21:33:03 -08005518 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005519 return 0;
5520
5521 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5522 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5523 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5524
5525 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5526 return 0;
5527
5528 return 1;
5529}
5530
Michael Chanb6016b72005-05-26 13:03:09 -07005531static void
Michael Chan48b01e22006-11-19 14:08:00 -08005532bnx2_5706_serdes_timer(struct bnx2 *bp)
5533{
Michael Chanb2fadea2008-01-21 17:07:06 -08005534 int check_link = 1;
5535
Michael Chan48b01e22006-11-19 14:08:00 -08005536 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005537 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005538 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005539 check_link = 0;
5540 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005541 u32 bmcr;
5542
5543 bp->current_interval = bp->timer_interval;
5544
Michael Chanca58c3a2007-05-03 13:22:52 -07005545 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005546
5547 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005548 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005549 bmcr &= ~BMCR_ANENABLE;
5550 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005551 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005552 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005553 }
5554 }
5555 }
5556 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005557 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005558 u32 phy2;
5559
5560 bnx2_write_phy(bp, 0x17, 0x0f01);
5561 bnx2_read_phy(bp, 0x15, &phy2);
5562 if (phy2 & 0x20) {
5563 u32 bmcr;
5564
Michael Chanca58c3a2007-05-03 13:22:52 -07005565 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005566 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005567 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005568
Michael Chan583c28e2008-01-21 19:51:35 -08005569 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005570 }
5571 } else
5572 bp->current_interval = bp->timer_interval;
5573
Michael Chana2724e22008-02-23 19:47:44 -08005574 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005575 u32 val;
5576
5577 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5578 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5579 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5580
Michael Chana2724e22008-02-23 19:47:44 -08005581 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5582 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5583 bnx2_5706s_force_link_dn(bp, 1);
5584 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5585 } else
5586 bnx2_set_link(bp);
5587 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5588 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005589 }
Michael Chan48b01e22006-11-19 14:08:00 -08005590 spin_unlock(&bp->phy_lock);
5591}
5592
5593static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005594bnx2_5708_serdes_timer(struct bnx2 *bp)
5595{
Michael Chan583c28e2008-01-21 19:51:35 -08005596 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005597 return;
5598
Michael Chan583c28e2008-01-21 19:51:35 -08005599 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005600 bp->serdes_an_pending = 0;
5601 return;
5602 }
5603
5604 spin_lock(&bp->phy_lock);
5605 if (bp->serdes_an_pending)
5606 bp->serdes_an_pending--;
5607 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5608 u32 bmcr;
5609
Michael Chanca58c3a2007-05-03 13:22:52 -07005610 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005611 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005612 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005613 bp->current_interval = SERDES_FORCED_TIMEOUT;
5614 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005615 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005616 bp->serdes_an_pending = 2;
5617 bp->current_interval = bp->timer_interval;
5618 }
5619
5620 } else
5621 bp->current_interval = bp->timer_interval;
5622
5623 spin_unlock(&bp->phy_lock);
5624}
5625
5626static void
Michael Chanb6016b72005-05-26 13:03:09 -07005627bnx2_timer(unsigned long data)
5628{
5629 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005630
Michael Chancd339a02005-08-25 15:35:24 -07005631 if (!netif_running(bp->dev))
5632 return;
5633
Michael Chanb6016b72005-05-26 13:03:09 -07005634 if (atomic_read(&bp->intr_sem) != 0)
5635 goto bnx2_restart_timer;
5636
Michael Chandf149d72007-07-07 22:51:36 -07005637 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005638
Michael Chan2726d6e2008-01-29 21:35:05 -08005639 bp->stats_blk->stat_FwRxDrop =
5640 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005641
Michael Chan02537b062007-06-04 21:24:07 -07005642 /* workaround occasional corrupted counters */
5643 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5644 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5645 BNX2_HC_COMMAND_STATS_NOW);
5646
Michael Chan583c28e2008-01-21 19:51:35 -08005647 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005648 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5649 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005650 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005651 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005652 }
5653
5654bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005655 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005656}
5657
Michael Chan8e6a72c2007-05-03 13:24:48 -07005658static int
5659bnx2_request_irq(struct bnx2 *bp)
5660{
Michael Chan6d866ff2007-12-20 19:56:09 -08005661 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005662 struct bnx2_irq *irq;
5663 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005664
David S. Millerf86e82f2008-01-21 17:15:40 -08005665 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005666 flags = 0;
5667 else
5668 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005669
5670 for (i = 0; i < bp->irq_nvecs; i++) {
5671 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005672 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07005673 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005674 if (rc)
5675 break;
5676 irq->requested = 1;
5677 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005678 return rc;
5679}
5680
5681static void
5682bnx2_free_irq(struct bnx2 *bp)
5683{
Michael Chanb4b36042007-12-20 19:59:30 -08005684 struct bnx2_irq *irq;
5685 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005686
Michael Chanb4b36042007-12-20 19:59:30 -08005687 for (i = 0; i < bp->irq_nvecs; i++) {
5688 irq = &bp->irq_tbl[i];
5689 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07005690 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005691 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005692 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005693 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005694 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005695 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005696 pci_disable_msix(bp->pdev);
5697
David S. Millerf86e82f2008-01-21 17:15:40 -08005698 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005699}
5700
5701static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005702bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08005703{
Michael Chan57851d82007-12-20 20:01:44 -08005704 int i, rc;
5705 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5706
Michael Chanb4b36042007-12-20 19:59:30 -08005707 bnx2_setup_msix_tbl(bp);
5708 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5709 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5710 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005711
5712 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5713 msix_ent[i].entry = i;
5714 msix_ent[i].vector = 0;
Michael Chan35e90102008-06-19 16:37:42 -07005715
5716 strcpy(bp->irq_tbl[i].name, bp->dev->name);
Michael Chanf0ea2e62008-06-19 16:41:57 -07005717 bp->irq_tbl[i].handler = bnx2_msi_1shot;
Michael Chan57851d82007-12-20 20:01:44 -08005718 }
5719
5720 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5721 if (rc != 0)
5722 return;
5723
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005724 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08005725 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005726 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5727 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005728}
5729
5730static void
5731bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5732{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005733 int cpus = num_online_cpus();
5734 int msix_vecs = min(cpus + 1, RX_MAX_RSS_RINGS);
5735
Michael Chan6d866ff2007-12-20 19:56:09 -08005736 bp->irq_tbl[0].handler = bnx2_interrupt;
5737 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005738 bp->irq_nvecs = 1;
5739 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005740
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005741 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5742 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08005743
David S. Millerf86e82f2008-01-21 17:15:40 -08005744 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5745 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005746 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005747 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005748 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005749 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005750 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5751 } else
5752 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005753
5754 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005755 }
5756 }
Michael Chan35e90102008-06-19 16:37:42 -07005757 bp->num_tx_rings = 1;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005758 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005759}
5760
Michael Chanb6016b72005-05-26 13:03:09 -07005761/* Called with rtnl_lock */
5762static int
5763bnx2_open(struct net_device *dev)
5764{
Michael Chan972ec0d2006-01-23 16:12:43 -08005765 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005766 int rc;
5767
Michael Chan1b2f9222007-05-03 13:20:19 -07005768 netif_carrier_off(dev);
5769
Pavel Machek829ca9a2005-09-03 15:56:56 -07005770 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005771 bnx2_disable_int(bp);
5772
Michael Chan6d866ff2007-12-20 19:56:09 -08005773 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005774 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07005775 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005776 if (rc)
5777 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07005778
Michael Chan8e6a72c2007-05-03 13:24:48 -07005779 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005780 if (rc)
5781 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005782
Michael Chan9a120bc2008-05-16 22:17:45 -07005783 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07005784 if (rc)
5785 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005786
Michael Chancd339a02005-08-25 15:35:24 -07005787 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005788
5789 atomic_set(&bp->intr_sem, 0);
5790
5791 bnx2_enable_int(bp);
5792
David S. Millerf86e82f2008-01-21 17:15:40 -08005793 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005794 /* Test MSI to make sure it is working
5795 * If MSI test fails, go back to INTx mode
5796 */
5797 if (bnx2_test_intr(bp) != 0) {
5798 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5799 " using MSI, switching to INTx mode. Please"
5800 " report this failure to the PCI maintainer"
5801 " and include system chipset information.\n",
5802 bp->dev->name);
5803
5804 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005805 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005806
Michael Chan6d866ff2007-12-20 19:56:09 -08005807 bnx2_setup_int_mode(bp, 1);
5808
Michael Chan9a120bc2008-05-16 22:17:45 -07005809 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005810
Michael Chan8e6a72c2007-05-03 13:24:48 -07005811 if (!rc)
5812 rc = bnx2_request_irq(bp);
5813
Michael Chanb6016b72005-05-26 13:03:09 -07005814 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07005815 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07005816 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005817 }
5818 bnx2_enable_int(bp);
5819 }
5820 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005821 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005822 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005823 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005824 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005825
5826 netif_start_queue(dev);
5827
5828 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07005829
5830open_err:
5831 bnx2_napi_disable(bp);
5832 bnx2_free_skbs(bp);
5833 bnx2_free_irq(bp);
5834 bnx2_free_mem(bp);
5835 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005836}
5837
5838static void
David Howellsc4028952006-11-22 14:57:56 +00005839bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005840{
David Howellsc4028952006-11-22 14:57:56 +00005841 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005842
Michael Chanafdc08b2005-08-25 15:34:29 -07005843 if (!netif_running(bp->dev))
5844 return;
5845
Michael Chanb6016b72005-05-26 13:03:09 -07005846 bnx2_netif_stop(bp);
5847
Michael Chan9a120bc2008-05-16 22:17:45 -07005848 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07005849
5850 atomic_set(&bp->intr_sem, 1);
5851 bnx2_netif_start(bp);
5852}
5853
5854static void
5855bnx2_tx_timeout(struct net_device *dev)
5856{
Michael Chan972ec0d2006-01-23 16:12:43 -08005857 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005858
5859 /* This allows the netif to be shutdown gracefully before resetting */
5860 schedule_work(&bp->reset_task);
5861}
5862
5863#ifdef BCM_VLAN
5864/* Called with rtnl_lock */
5865static void
5866bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5867{
Michael Chan972ec0d2006-01-23 16:12:43 -08005868 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005869
5870 bnx2_netif_stop(bp);
5871
5872 bp->vlgrp = vlgrp;
5873 bnx2_set_rx_mode(dev);
5874
5875 bnx2_netif_start(bp);
5876}
Michael Chanb6016b72005-05-26 13:03:09 -07005877#endif
5878
Herbert Xu932ff272006-06-09 12:20:56 -07005879/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005880 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5881 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005882 */
5883static int
5884bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5885{
Michael Chan972ec0d2006-01-23 16:12:43 -08005886 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005887 dma_addr_t mapping;
5888 struct tx_bd *txbd;
5889 struct sw_bd *tx_buf;
5890 u32 len, vlan_tag_flags, last_frag, mss;
5891 u16 prod, ring_prod;
5892 int i;
Michael Chan35e90102008-06-19 16:37:42 -07005893 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
5894 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07005895
Michael Chan35e90102008-06-19 16:37:42 -07005896 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08005897 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005898 netif_stop_queue(dev);
5899 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5900 dev->name);
5901
5902 return NETDEV_TX_BUSY;
5903 }
5904 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07005905 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005906 ring_prod = TX_RING_IDX(prod);
5907
5908 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005909 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005910 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5911 }
5912
Al Viro79ea13c2008-01-24 02:06:46 -08005913 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005914 vlan_tag_flags |=
5915 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5916 }
Michael Chanfde82052007-05-03 17:23:35 -07005917 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005918 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005919 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005920
Michael Chanb6016b72005-05-26 13:03:09 -07005921 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5922
Michael Chan4666f872007-05-03 13:22:28 -07005923 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005924
Michael Chan4666f872007-05-03 13:22:28 -07005925 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5926 u32 tcp_off = skb_transport_offset(skb) -
5927 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005928
Michael Chan4666f872007-05-03 13:22:28 -07005929 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5930 TX_BD_FLAGS_SW_FLAGS;
5931 if (likely(tcp_off == 0))
5932 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5933 else {
5934 tcp_off >>= 3;
5935 vlan_tag_flags |= ((tcp_off & 0x3) <<
5936 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5937 ((tcp_off & 0x10) <<
5938 TX_BD_FLAGS_TCP6_OFF4_SHL);
5939 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5940 }
5941 } else {
5942 if (skb_header_cloned(skb) &&
5943 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5944 dev_kfree_skb(skb);
5945 return NETDEV_TX_OK;
5946 }
5947
5948 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5949
5950 iph = ip_hdr(skb);
5951 iph->check = 0;
5952 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5953 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5954 iph->daddr, 0,
5955 IPPROTO_TCP,
5956 0);
5957 if (tcp_opt_len || (iph->ihl > 5)) {
5958 vlan_tag_flags |= ((iph->ihl - 5) +
5959 (tcp_opt_len >> 2)) << 8;
5960 }
Michael Chanb6016b72005-05-26 13:03:09 -07005961 }
Michael Chan4666f872007-05-03 13:22:28 -07005962 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005963 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005964
5965 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005966
Michael Chan35e90102008-06-19 16:37:42 -07005967 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005968 tx_buf->skb = skb;
5969 pci_unmap_addr_set(tx_buf, mapping, mapping);
5970
Michael Chan35e90102008-06-19 16:37:42 -07005971 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005972
5973 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5974 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5975 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5976 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5977
5978 last_frag = skb_shinfo(skb)->nr_frags;
5979
5980 for (i = 0; i < last_frag; i++) {
5981 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5982
5983 prod = NEXT_TX_BD(prod);
5984 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07005985 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005986
5987 len = frag->size;
5988 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5989 len, PCI_DMA_TODEVICE);
Michael Chan35e90102008-06-19 16:37:42 -07005990 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
Michael Chanb6016b72005-05-26 13:03:09 -07005991 mapping, mapping);
5992
5993 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5994 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5995 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5996 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5997
5998 }
5999 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6000
6001 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006002 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006003
Michael Chan35e90102008-06-19 16:37:42 -07006004 REG_WR16(bp, txr->tx_bidx_addr, prod);
6005 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006006
6007 mmiowb();
6008
Michael Chan35e90102008-06-19 16:37:42 -07006009 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006010 dev->trans_start = jiffies;
6011
Michael Chan35e90102008-06-19 16:37:42 -07006012 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07006013 netif_stop_queue(dev);
Michael Chan35e90102008-06-19 16:37:42 -07006014 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07006015 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006016 }
6017
6018 return NETDEV_TX_OK;
6019}
6020
6021/* Called with rtnl_lock */
6022static int
6023bnx2_close(struct net_device *dev)
6024{
Michael Chan972ec0d2006-01-23 16:12:43 -08006025 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006026 u32 reset_code;
6027
David S. Miller4bb073c2008-06-12 02:22:02 -07006028 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006029
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006030 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006031 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006032 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08006033 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07006034 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08006035 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07006036 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6037 else
6038 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6039 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006040 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006041 bnx2_free_skbs(bp);
6042 bnx2_free_mem(bp);
6043 bp->link_up = 0;
6044 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006045 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006046 return 0;
6047}
6048
6049#define GET_NET_STATS64(ctr) \
6050 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6051 (unsigned long) (ctr##_lo)
6052
6053#define GET_NET_STATS32(ctr) \
6054 (ctr##_lo)
6055
6056#if (BITS_PER_LONG == 64)
6057#define GET_NET_STATS GET_NET_STATS64
6058#else
6059#define GET_NET_STATS GET_NET_STATS32
6060#endif
6061
6062static struct net_device_stats *
6063bnx2_get_stats(struct net_device *dev)
6064{
Michael Chan972ec0d2006-01-23 16:12:43 -08006065 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006066 struct statistics_block *stats_blk = bp->stats_blk;
6067 struct net_device_stats *net_stats = &bp->net_stats;
6068
6069 if (bp->stats_blk == NULL) {
6070 return net_stats;
6071 }
6072 net_stats->rx_packets =
6073 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6074 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6075 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6076
6077 net_stats->tx_packets =
6078 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6079 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6080 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6081
6082 net_stats->rx_bytes =
6083 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6084
6085 net_stats->tx_bytes =
6086 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6087
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006088 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07006089 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6090
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006091 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07006092 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6093
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006094 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006095 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6096 stats_blk->stat_EtherStatsOverrsizePkts);
6097
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006098 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006099 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6100
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006101 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006102 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6103
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006104 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006105 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6106
6107 net_stats->rx_errors = net_stats->rx_length_errors +
6108 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6109 net_stats->rx_crc_errors;
6110
6111 net_stats->tx_aborted_errors =
6112 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6113 stats_blk->stat_Dot3StatsLateCollisions);
6114
Michael Chan5b0c76a2005-11-04 08:45:49 -08006115 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6116 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006117 net_stats->tx_carrier_errors = 0;
6118 else {
6119 net_stats->tx_carrier_errors =
6120 (unsigned long)
6121 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6122 }
6123
6124 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006125 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006126 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6127 +
6128 net_stats->tx_aborted_errors +
6129 net_stats->tx_carrier_errors;
6130
Michael Chancea94db2006-06-12 22:16:13 -07006131 net_stats->rx_missed_errors =
6132 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6133 stats_blk->stat_FwRxDrop);
6134
Michael Chanb6016b72005-05-26 13:03:09 -07006135 return net_stats;
6136}
6137
6138/* All ethtool functions called with rtnl_lock */
6139
6140static int
6141bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6142{
Michael Chan972ec0d2006-01-23 16:12:43 -08006143 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006144 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006145
6146 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006147 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006148 support_serdes = 1;
6149 support_copper = 1;
6150 } else if (bp->phy_port == PORT_FIBRE)
6151 support_serdes = 1;
6152 else
6153 support_copper = 1;
6154
6155 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006156 cmd->supported |= SUPPORTED_1000baseT_Full |
6157 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006158 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006159 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006160
Michael Chanb6016b72005-05-26 13:03:09 -07006161 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006162 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006163 cmd->supported |= SUPPORTED_10baseT_Half |
6164 SUPPORTED_10baseT_Full |
6165 SUPPORTED_100baseT_Half |
6166 SUPPORTED_100baseT_Full |
6167 SUPPORTED_1000baseT_Full |
6168 SUPPORTED_TP;
6169
Michael Chanb6016b72005-05-26 13:03:09 -07006170 }
6171
Michael Chan7b6b8342007-07-07 22:50:15 -07006172 spin_lock_bh(&bp->phy_lock);
6173 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006174 cmd->advertising = bp->advertising;
6175
6176 if (bp->autoneg & AUTONEG_SPEED) {
6177 cmd->autoneg = AUTONEG_ENABLE;
6178 }
6179 else {
6180 cmd->autoneg = AUTONEG_DISABLE;
6181 }
6182
6183 if (netif_carrier_ok(dev)) {
6184 cmd->speed = bp->line_speed;
6185 cmd->duplex = bp->duplex;
6186 }
6187 else {
6188 cmd->speed = -1;
6189 cmd->duplex = -1;
6190 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006191 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006192
6193 cmd->transceiver = XCVR_INTERNAL;
6194 cmd->phy_address = bp->phy_addr;
6195
6196 return 0;
6197}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006198
Michael Chanb6016b72005-05-26 13:03:09 -07006199static int
6200bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6201{
Michael Chan972ec0d2006-01-23 16:12:43 -08006202 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006203 u8 autoneg = bp->autoneg;
6204 u8 req_duplex = bp->req_duplex;
6205 u16 req_line_speed = bp->req_line_speed;
6206 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006207 int err = -EINVAL;
6208
6209 spin_lock_bh(&bp->phy_lock);
6210
6211 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6212 goto err_out_unlock;
6213
Michael Chan583c28e2008-01-21 19:51:35 -08006214 if (cmd->port != bp->phy_port &&
6215 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006216 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006217
Michael Chand6b14482008-07-14 22:37:21 -07006218 /* If device is down, we can store the settings only if the user
6219 * is setting the currently active port.
6220 */
6221 if (!netif_running(dev) && cmd->port != bp->phy_port)
6222 goto err_out_unlock;
6223
Michael Chanb6016b72005-05-26 13:03:09 -07006224 if (cmd->autoneg == AUTONEG_ENABLE) {
6225 autoneg |= AUTONEG_SPEED;
6226
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006227 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006228
6229 /* allow advertising 1 speed */
6230 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6231 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6232 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6233 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6234
Michael Chan7b6b8342007-07-07 22:50:15 -07006235 if (cmd->port == PORT_FIBRE)
6236 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006237
6238 advertising = cmd->advertising;
6239
Michael Chan27a005b2007-05-03 13:23:41 -07006240 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006241 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006242 (cmd->port == PORT_TP))
6243 goto err_out_unlock;
6244 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006245 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006246 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6247 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006248 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006249 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006250 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006251 else
Michael Chanb6016b72005-05-26 13:03:09 -07006252 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006253 }
6254 advertising |= ADVERTISED_Autoneg;
6255 }
6256 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006257 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006258 if ((cmd->speed != SPEED_1000 &&
6259 cmd->speed != SPEED_2500) ||
6260 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006261 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006262
6263 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006264 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006265 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006266 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006267 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6268 goto err_out_unlock;
6269
Michael Chanb6016b72005-05-26 13:03:09 -07006270 autoneg &= ~AUTONEG_SPEED;
6271 req_line_speed = cmd->speed;
6272 req_duplex = cmd->duplex;
6273 advertising = 0;
6274 }
6275
6276 bp->autoneg = autoneg;
6277 bp->advertising = advertising;
6278 bp->req_line_speed = req_line_speed;
6279 bp->req_duplex = req_duplex;
6280
Michael Chand6b14482008-07-14 22:37:21 -07006281 err = 0;
6282 /* If device is down, the new settings will be picked up when it is
6283 * brought up.
6284 */
6285 if (netif_running(dev))
6286 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006287
Michael Chan7b6b8342007-07-07 22:50:15 -07006288err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006289 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006290
Michael Chan7b6b8342007-07-07 22:50:15 -07006291 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006292}
6293
6294static void
6295bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6296{
Michael Chan972ec0d2006-01-23 16:12:43 -08006297 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006298
6299 strcpy(info->driver, DRV_MODULE_NAME);
6300 strcpy(info->version, DRV_MODULE_VERSION);
6301 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006302 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006303}
6304
Michael Chan244ac4f2006-03-20 17:48:46 -08006305#define BNX2_REGDUMP_LEN (32 * 1024)
6306
6307static int
6308bnx2_get_regs_len(struct net_device *dev)
6309{
6310 return BNX2_REGDUMP_LEN;
6311}
6312
6313static void
6314bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6315{
6316 u32 *p = _p, i, offset;
6317 u8 *orig_p = _p;
6318 struct bnx2 *bp = netdev_priv(dev);
6319 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6320 0x0800, 0x0880, 0x0c00, 0x0c10,
6321 0x0c30, 0x0d08, 0x1000, 0x101c,
6322 0x1040, 0x1048, 0x1080, 0x10a4,
6323 0x1400, 0x1490, 0x1498, 0x14f0,
6324 0x1500, 0x155c, 0x1580, 0x15dc,
6325 0x1600, 0x1658, 0x1680, 0x16d8,
6326 0x1800, 0x1820, 0x1840, 0x1854,
6327 0x1880, 0x1894, 0x1900, 0x1984,
6328 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6329 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6330 0x2000, 0x2030, 0x23c0, 0x2400,
6331 0x2800, 0x2820, 0x2830, 0x2850,
6332 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6333 0x3c00, 0x3c94, 0x4000, 0x4010,
6334 0x4080, 0x4090, 0x43c0, 0x4458,
6335 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6336 0x4fc0, 0x5010, 0x53c0, 0x5444,
6337 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6338 0x5fc0, 0x6000, 0x6400, 0x6428,
6339 0x6800, 0x6848, 0x684c, 0x6860,
6340 0x6888, 0x6910, 0x8000 };
6341
6342 regs->version = 0;
6343
6344 memset(p, 0, BNX2_REGDUMP_LEN);
6345
6346 if (!netif_running(bp->dev))
6347 return;
6348
6349 i = 0;
6350 offset = reg_boundaries[0];
6351 p += offset;
6352 while (offset < BNX2_REGDUMP_LEN) {
6353 *p++ = REG_RD(bp, offset);
6354 offset += 4;
6355 if (offset == reg_boundaries[i + 1]) {
6356 offset = reg_boundaries[i + 2];
6357 p = (u32 *) (orig_p + offset);
6358 i += 2;
6359 }
6360 }
6361}
6362
Michael Chanb6016b72005-05-26 13:03:09 -07006363static void
6364bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6365{
Michael Chan972ec0d2006-01-23 16:12:43 -08006366 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006367
David S. Millerf86e82f2008-01-21 17:15:40 -08006368 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006369 wol->supported = 0;
6370 wol->wolopts = 0;
6371 }
6372 else {
6373 wol->supported = WAKE_MAGIC;
6374 if (bp->wol)
6375 wol->wolopts = WAKE_MAGIC;
6376 else
6377 wol->wolopts = 0;
6378 }
6379 memset(&wol->sopass, 0, sizeof(wol->sopass));
6380}
6381
6382static int
6383bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6384{
Michael Chan972ec0d2006-01-23 16:12:43 -08006385 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006386
6387 if (wol->wolopts & ~WAKE_MAGIC)
6388 return -EINVAL;
6389
6390 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006391 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006392 return -EINVAL;
6393
6394 bp->wol = 1;
6395 }
6396 else {
6397 bp->wol = 0;
6398 }
6399 return 0;
6400}
6401
6402static int
6403bnx2_nway_reset(struct net_device *dev)
6404{
Michael Chan972ec0d2006-01-23 16:12:43 -08006405 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006406 u32 bmcr;
6407
6408 if (!(bp->autoneg & AUTONEG_SPEED)) {
6409 return -EINVAL;
6410 }
6411
Michael Chanc770a652005-08-25 15:38:39 -07006412 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006413
Michael Chan583c28e2008-01-21 19:51:35 -08006414 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006415 int rc;
6416
6417 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6418 spin_unlock_bh(&bp->phy_lock);
6419 return rc;
6420 }
6421
Michael Chanb6016b72005-05-26 13:03:09 -07006422 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006423 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006424 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006425 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006426
6427 msleep(20);
6428
Michael Chanc770a652005-08-25 15:38:39 -07006429 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006430
6431 bp->current_interval = SERDES_AN_TIMEOUT;
6432 bp->serdes_an_pending = 1;
6433 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006434 }
6435
Michael Chanca58c3a2007-05-03 13:22:52 -07006436 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006437 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006438 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006439
Michael Chanc770a652005-08-25 15:38:39 -07006440 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006441
6442 return 0;
6443}
6444
6445static int
6446bnx2_get_eeprom_len(struct net_device *dev)
6447{
Michael Chan972ec0d2006-01-23 16:12:43 -08006448 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006449
Michael Chan1122db72006-01-23 16:11:42 -08006450 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006451 return 0;
6452
Michael Chan1122db72006-01-23 16:11:42 -08006453 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006454}
6455
6456static int
6457bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6458 u8 *eebuf)
6459{
Michael Chan972ec0d2006-01-23 16:12:43 -08006460 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006461 int rc;
6462
John W. Linville1064e942005-11-10 12:58:24 -08006463 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006464
6465 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6466
6467 return rc;
6468}
6469
6470static int
6471bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6472 u8 *eebuf)
6473{
Michael Chan972ec0d2006-01-23 16:12:43 -08006474 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006475 int rc;
6476
John W. Linville1064e942005-11-10 12:58:24 -08006477 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006478
6479 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6480
6481 return rc;
6482}
6483
6484static int
6485bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6486{
Michael Chan972ec0d2006-01-23 16:12:43 -08006487 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006488
6489 memset(coal, 0, sizeof(struct ethtool_coalesce));
6490
6491 coal->rx_coalesce_usecs = bp->rx_ticks;
6492 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6493 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6494 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6495
6496 coal->tx_coalesce_usecs = bp->tx_ticks;
6497 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6498 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6499 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6500
6501 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6502
6503 return 0;
6504}
6505
6506static int
6507bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6508{
Michael Chan972ec0d2006-01-23 16:12:43 -08006509 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006510
6511 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6512 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6513
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006514 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006515 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6516
6517 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6518 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6519
6520 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6521 if (bp->rx_quick_cons_trip_int > 0xff)
6522 bp->rx_quick_cons_trip_int = 0xff;
6523
6524 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6525 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6526
6527 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6528 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6529
6530 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6531 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6532
6533 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6534 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6535 0xff;
6536
6537 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006538 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6539 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6540 bp->stats_ticks = USEC_PER_SEC;
6541 }
Michael Chan7ea69202007-07-16 18:27:10 -07006542 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6543 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6544 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006545
6546 if (netif_running(bp->dev)) {
6547 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07006548 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006549 bnx2_netif_start(bp);
6550 }
6551
6552 return 0;
6553}
6554
6555static void
6556bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6557{
Michael Chan972ec0d2006-01-23 16:12:43 -08006558 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006559
Michael Chan13daffa2006-03-20 17:49:20 -08006560 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006561 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006562 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006563
6564 ering->rx_pending = bp->rx_ring_size;
6565 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006566 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006567
6568 ering->tx_max_pending = MAX_TX_DESC_CNT;
6569 ering->tx_pending = bp->tx_ring_size;
6570}
6571
6572static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006573bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006574{
Michael Chan13daffa2006-03-20 17:49:20 -08006575 if (netif_running(bp->dev)) {
6576 bnx2_netif_stop(bp);
6577 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6578 bnx2_free_skbs(bp);
6579 bnx2_free_mem(bp);
6580 }
6581
Michael Chan5d5d0012007-12-12 11:17:43 -08006582 bnx2_set_rx_ring_size(bp, rx);
6583 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006584
6585 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006586 int rc;
6587
6588 rc = bnx2_alloc_mem(bp);
6589 if (rc)
6590 return rc;
Michael Chan9a120bc2008-05-16 22:17:45 -07006591 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006592 bnx2_netif_start(bp);
6593 }
Michael Chanb6016b72005-05-26 13:03:09 -07006594 return 0;
6595}
6596
Michael Chan5d5d0012007-12-12 11:17:43 -08006597static int
6598bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6599{
6600 struct bnx2 *bp = netdev_priv(dev);
6601 int rc;
6602
6603 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6604 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6605 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6606
6607 return -EINVAL;
6608 }
6609 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6610 return rc;
6611}
6612
Michael Chanb6016b72005-05-26 13:03:09 -07006613static void
6614bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6615{
Michael Chan972ec0d2006-01-23 16:12:43 -08006616 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006617
6618 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6619 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6620 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6621}
6622
6623static int
6624bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6625{
Michael Chan972ec0d2006-01-23 16:12:43 -08006626 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006627
6628 bp->req_flow_ctrl = 0;
6629 if (epause->rx_pause)
6630 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6631 if (epause->tx_pause)
6632 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6633
6634 if (epause->autoneg) {
6635 bp->autoneg |= AUTONEG_FLOW_CTRL;
6636 }
6637 else {
6638 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6639 }
6640
Michael Chanc770a652005-08-25 15:38:39 -07006641 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006642
Michael Chan0d8a6572007-07-07 22:49:43 -07006643 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006644
Michael Chanc770a652005-08-25 15:38:39 -07006645 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006646
6647 return 0;
6648}
6649
6650static u32
6651bnx2_get_rx_csum(struct net_device *dev)
6652{
Michael Chan972ec0d2006-01-23 16:12:43 -08006653 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006654
6655 return bp->rx_csum;
6656}
6657
6658static int
6659bnx2_set_rx_csum(struct net_device *dev, u32 data)
6660{
Michael Chan972ec0d2006-01-23 16:12:43 -08006661 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006662
6663 bp->rx_csum = data;
6664 return 0;
6665}
6666
Michael Chanb11d6212006-06-29 12:31:21 -07006667static int
6668bnx2_set_tso(struct net_device *dev, u32 data)
6669{
Michael Chan4666f872007-05-03 13:22:28 -07006670 struct bnx2 *bp = netdev_priv(dev);
6671
6672 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006673 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006674 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6675 dev->features |= NETIF_F_TSO6;
6676 } else
6677 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6678 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006679 return 0;
6680}
6681
Michael Chancea94db2006-06-12 22:16:13 -07006682#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006683
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006684static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006685 char string[ETH_GSTRING_LEN];
6686} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6687 { "rx_bytes" },
6688 { "rx_error_bytes" },
6689 { "tx_bytes" },
6690 { "tx_error_bytes" },
6691 { "rx_ucast_packets" },
6692 { "rx_mcast_packets" },
6693 { "rx_bcast_packets" },
6694 { "tx_ucast_packets" },
6695 { "tx_mcast_packets" },
6696 { "tx_bcast_packets" },
6697 { "tx_mac_errors" },
6698 { "tx_carrier_errors" },
6699 { "rx_crc_errors" },
6700 { "rx_align_errors" },
6701 { "tx_single_collisions" },
6702 { "tx_multi_collisions" },
6703 { "tx_deferred" },
6704 { "tx_excess_collisions" },
6705 { "tx_late_collisions" },
6706 { "tx_total_collisions" },
6707 { "rx_fragments" },
6708 { "rx_jabbers" },
6709 { "rx_undersize_packets" },
6710 { "rx_oversize_packets" },
6711 { "rx_64_byte_packets" },
6712 { "rx_65_to_127_byte_packets" },
6713 { "rx_128_to_255_byte_packets" },
6714 { "rx_256_to_511_byte_packets" },
6715 { "rx_512_to_1023_byte_packets" },
6716 { "rx_1024_to_1522_byte_packets" },
6717 { "rx_1523_to_9022_byte_packets" },
6718 { "tx_64_byte_packets" },
6719 { "tx_65_to_127_byte_packets" },
6720 { "tx_128_to_255_byte_packets" },
6721 { "tx_256_to_511_byte_packets" },
6722 { "tx_512_to_1023_byte_packets" },
6723 { "tx_1024_to_1522_byte_packets" },
6724 { "tx_1523_to_9022_byte_packets" },
6725 { "rx_xon_frames" },
6726 { "rx_xoff_frames" },
6727 { "tx_xon_frames" },
6728 { "tx_xoff_frames" },
6729 { "rx_mac_ctrl_frames" },
6730 { "rx_filtered_packets" },
6731 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006732 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006733};
6734
6735#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6736
Arjan van de Venf71e1302006-03-03 21:33:57 -05006737static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006738 STATS_OFFSET32(stat_IfHCInOctets_hi),
6739 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6740 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6741 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6742 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6743 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6744 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6745 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6746 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6747 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6748 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006749 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6750 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6751 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6752 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6753 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6754 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6755 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6756 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6757 STATS_OFFSET32(stat_EtherStatsCollisions),
6758 STATS_OFFSET32(stat_EtherStatsFragments),
6759 STATS_OFFSET32(stat_EtherStatsJabbers),
6760 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6761 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6762 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6763 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6764 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6765 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6766 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6767 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6768 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6769 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6770 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6771 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6772 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6773 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6774 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6775 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6776 STATS_OFFSET32(stat_XonPauseFramesReceived),
6777 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6778 STATS_OFFSET32(stat_OutXonSent),
6779 STATS_OFFSET32(stat_OutXoffSent),
6780 STATS_OFFSET32(stat_MacControlFramesReceived),
6781 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6782 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006783 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006784};
6785
6786/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6787 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006788 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006789static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006790 8,0,8,8,8,8,8,8,8,8,
6791 4,0,4,4,4,4,4,4,4,4,
6792 4,4,4,4,4,4,4,4,4,4,
6793 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006794 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006795};
6796
Michael Chan5b0c76a2005-11-04 08:45:49 -08006797static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6798 8,0,8,8,8,8,8,8,8,8,
6799 4,4,4,4,4,4,4,4,4,4,
6800 4,4,4,4,4,4,4,4,4,4,
6801 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006802 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006803};
6804
Michael Chanb6016b72005-05-26 13:03:09 -07006805#define BNX2_NUM_TESTS 6
6806
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006807static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006808 char string[ETH_GSTRING_LEN];
6809} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6810 { "register_test (offline)" },
6811 { "memory_test (offline)" },
6812 { "loopback_test (offline)" },
6813 { "nvram_test (online)" },
6814 { "interrupt_test (online)" },
6815 { "link_test (online)" },
6816};
6817
6818static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006819bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006820{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006821 switch (sset) {
6822 case ETH_SS_TEST:
6823 return BNX2_NUM_TESTS;
6824 case ETH_SS_STATS:
6825 return BNX2_NUM_STATS;
6826 default:
6827 return -EOPNOTSUPP;
6828 }
Michael Chanb6016b72005-05-26 13:03:09 -07006829}
6830
6831static void
6832bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6833{
Michael Chan972ec0d2006-01-23 16:12:43 -08006834 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006835
6836 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6837 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006838 int i;
6839
Michael Chanb6016b72005-05-26 13:03:09 -07006840 bnx2_netif_stop(bp);
6841 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6842 bnx2_free_skbs(bp);
6843
6844 if (bnx2_test_registers(bp) != 0) {
6845 buf[0] = 1;
6846 etest->flags |= ETH_TEST_FL_FAILED;
6847 }
6848 if (bnx2_test_memory(bp) != 0) {
6849 buf[1] = 1;
6850 etest->flags |= ETH_TEST_FL_FAILED;
6851 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006852 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006853 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006854
6855 if (!netif_running(bp->dev)) {
6856 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6857 }
6858 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07006859 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006860 bnx2_netif_start(bp);
6861 }
6862
6863 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006864 for (i = 0; i < 7; i++) {
6865 if (bp->link_up)
6866 break;
6867 msleep_interruptible(1000);
6868 }
Michael Chanb6016b72005-05-26 13:03:09 -07006869 }
6870
6871 if (bnx2_test_nvram(bp) != 0) {
6872 buf[3] = 1;
6873 etest->flags |= ETH_TEST_FL_FAILED;
6874 }
6875 if (bnx2_test_intr(bp) != 0) {
6876 buf[4] = 1;
6877 etest->flags |= ETH_TEST_FL_FAILED;
6878 }
6879
6880 if (bnx2_test_link(bp) != 0) {
6881 buf[5] = 1;
6882 etest->flags |= ETH_TEST_FL_FAILED;
6883
6884 }
6885}
6886
6887static void
6888bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6889{
6890 switch (stringset) {
6891 case ETH_SS_STATS:
6892 memcpy(buf, bnx2_stats_str_arr,
6893 sizeof(bnx2_stats_str_arr));
6894 break;
6895 case ETH_SS_TEST:
6896 memcpy(buf, bnx2_tests_str_arr,
6897 sizeof(bnx2_tests_str_arr));
6898 break;
6899 }
6900}
6901
Michael Chanb6016b72005-05-26 13:03:09 -07006902static void
6903bnx2_get_ethtool_stats(struct net_device *dev,
6904 struct ethtool_stats *stats, u64 *buf)
6905{
Michael Chan972ec0d2006-01-23 16:12:43 -08006906 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006907 int i;
6908 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006909 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006910
6911 if (hw_stats == NULL) {
6912 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6913 return;
6914 }
6915
Michael Chan5b0c76a2005-11-04 08:45:49 -08006916 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6917 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6918 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6919 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006920 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006921 else
6922 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006923
6924 for (i = 0; i < BNX2_NUM_STATS; i++) {
6925 if (stats_len_arr[i] == 0) {
6926 /* skip this counter */
6927 buf[i] = 0;
6928 continue;
6929 }
6930 if (stats_len_arr[i] == 4) {
6931 /* 4-byte counter */
6932 buf[i] = (u64)
6933 *(hw_stats + bnx2_stats_offset_arr[i]);
6934 continue;
6935 }
6936 /* 8-byte counter */
6937 buf[i] = (((u64) *(hw_stats +
6938 bnx2_stats_offset_arr[i])) << 32) +
6939 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6940 }
6941}
6942
6943static int
6944bnx2_phys_id(struct net_device *dev, u32 data)
6945{
Michael Chan972ec0d2006-01-23 16:12:43 -08006946 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006947 int i;
6948 u32 save;
6949
6950 if (data == 0)
6951 data = 2;
6952
6953 save = REG_RD(bp, BNX2_MISC_CFG);
6954 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6955
6956 for (i = 0; i < (data * 2); i++) {
6957 if ((i % 2) == 0) {
6958 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6959 }
6960 else {
6961 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6962 BNX2_EMAC_LED_1000MB_OVERRIDE |
6963 BNX2_EMAC_LED_100MB_OVERRIDE |
6964 BNX2_EMAC_LED_10MB_OVERRIDE |
6965 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6966 BNX2_EMAC_LED_TRAFFIC);
6967 }
6968 msleep_interruptible(500);
6969 if (signal_pending(current))
6970 break;
6971 }
6972 REG_WR(bp, BNX2_EMAC_LED, 0);
6973 REG_WR(bp, BNX2_MISC_CFG, save);
6974 return 0;
6975}
6976
Michael Chan4666f872007-05-03 13:22:28 -07006977static int
6978bnx2_set_tx_csum(struct net_device *dev, u32 data)
6979{
6980 struct bnx2 *bp = netdev_priv(dev);
6981
6982 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006983 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006984 else
6985 return (ethtool_op_set_tx_csum(dev, data));
6986}
6987
Jeff Garzik7282d492006-09-13 14:30:00 -04006988static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006989 .get_settings = bnx2_get_settings,
6990 .set_settings = bnx2_set_settings,
6991 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006992 .get_regs_len = bnx2_get_regs_len,
6993 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006994 .get_wol = bnx2_get_wol,
6995 .set_wol = bnx2_set_wol,
6996 .nway_reset = bnx2_nway_reset,
6997 .get_link = ethtool_op_get_link,
6998 .get_eeprom_len = bnx2_get_eeprom_len,
6999 .get_eeprom = bnx2_get_eeprom,
7000 .set_eeprom = bnx2_set_eeprom,
7001 .get_coalesce = bnx2_get_coalesce,
7002 .set_coalesce = bnx2_set_coalesce,
7003 .get_ringparam = bnx2_get_ringparam,
7004 .set_ringparam = bnx2_set_ringparam,
7005 .get_pauseparam = bnx2_get_pauseparam,
7006 .set_pauseparam = bnx2_set_pauseparam,
7007 .get_rx_csum = bnx2_get_rx_csum,
7008 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007009 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007010 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007011 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007012 .self_test = bnx2_self_test,
7013 .get_strings = bnx2_get_strings,
7014 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007015 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007016 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007017};
7018
7019/* Called with rtnl_lock */
7020static int
7021bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7022{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007023 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007024 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007025 int err;
7026
7027 switch(cmd) {
7028 case SIOCGMIIPHY:
7029 data->phy_id = bp->phy_addr;
7030
7031 /* fallthru */
7032 case SIOCGMIIREG: {
7033 u32 mii_regval;
7034
Michael Chan583c28e2008-01-21 19:51:35 -08007035 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007036 return -EOPNOTSUPP;
7037
Michael Chandad3e452007-05-03 13:18:03 -07007038 if (!netif_running(dev))
7039 return -EAGAIN;
7040
Michael Chanc770a652005-08-25 15:38:39 -07007041 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007042 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007043 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007044
7045 data->val_out = mii_regval;
7046
7047 return err;
7048 }
7049
7050 case SIOCSMIIREG:
7051 if (!capable(CAP_NET_ADMIN))
7052 return -EPERM;
7053
Michael Chan583c28e2008-01-21 19:51:35 -08007054 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007055 return -EOPNOTSUPP;
7056
Michael Chandad3e452007-05-03 13:18:03 -07007057 if (!netif_running(dev))
7058 return -EAGAIN;
7059
Michael Chanc770a652005-08-25 15:38:39 -07007060 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007061 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007062 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007063
7064 return err;
7065
7066 default:
7067 /* do nothing */
7068 break;
7069 }
7070 return -EOPNOTSUPP;
7071}
7072
7073/* Called with rtnl_lock */
7074static int
7075bnx2_change_mac_addr(struct net_device *dev, void *p)
7076{
7077 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007078 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007079
Michael Chan73eef4c2005-08-25 15:39:15 -07007080 if (!is_valid_ether_addr(addr->sa_data))
7081 return -EINVAL;
7082
Michael Chanb6016b72005-05-26 13:03:09 -07007083 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7084 if (netif_running(dev))
7085 bnx2_set_mac_addr(bp);
7086
7087 return 0;
7088}
7089
7090/* Called with rtnl_lock */
7091static int
7092bnx2_change_mtu(struct net_device *dev, int new_mtu)
7093{
Michael Chan972ec0d2006-01-23 16:12:43 -08007094 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007095
7096 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7097 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7098 return -EINVAL;
7099
7100 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007101 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007102}
7103
7104#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7105static void
7106poll_bnx2(struct net_device *dev)
7107{
Michael Chan972ec0d2006-01-23 16:12:43 -08007108 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007109
7110 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01007111 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007112 enable_irq(bp->pdev->irq);
7113}
7114#endif
7115
Michael Chan253c8b72007-01-08 19:56:01 -08007116static void __devinit
7117bnx2_get_5709_media(struct bnx2 *bp)
7118{
7119 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7120 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7121 u32 strap;
7122
7123 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7124 return;
7125 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007126 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007127 return;
7128 }
7129
7130 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7131 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7132 else
7133 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7134
7135 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7136 switch (strap) {
7137 case 0x4:
7138 case 0x5:
7139 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007140 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007141 return;
7142 }
7143 } else {
7144 switch (strap) {
7145 case 0x1:
7146 case 0x2:
7147 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007148 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007149 return;
7150 }
7151 }
7152}
7153
Michael Chan883e5152007-05-03 13:25:11 -07007154static void __devinit
7155bnx2_get_pci_speed(struct bnx2 *bp)
7156{
7157 u32 reg;
7158
7159 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7160 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7161 u32 clkreg;
7162
David S. Millerf86e82f2008-01-21 17:15:40 -08007163 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007164
7165 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7166
7167 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7168 switch (clkreg) {
7169 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7170 bp->bus_speed_mhz = 133;
7171 break;
7172
7173 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7174 bp->bus_speed_mhz = 100;
7175 break;
7176
7177 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7178 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7179 bp->bus_speed_mhz = 66;
7180 break;
7181
7182 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7183 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7184 bp->bus_speed_mhz = 50;
7185 break;
7186
7187 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7188 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7189 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7190 bp->bus_speed_mhz = 33;
7191 break;
7192 }
7193 }
7194 else {
7195 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7196 bp->bus_speed_mhz = 66;
7197 else
7198 bp->bus_speed_mhz = 33;
7199 }
7200
7201 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007202 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007203
7204}
7205
Michael Chanb6016b72005-05-26 13:03:09 -07007206static int __devinit
7207bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7208{
7209 struct bnx2 *bp;
7210 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007211 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007212 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007213 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007214
Michael Chanb6016b72005-05-26 13:03:09 -07007215 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007216 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007217
7218 bp->flags = 0;
7219 bp->phy_flags = 0;
7220
7221 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7222 rc = pci_enable_device(pdev);
7223 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007224 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007225 goto err_out;
7226 }
7227
7228 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007229 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007230 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007231 rc = -ENODEV;
7232 goto err_out_disable;
7233 }
7234
7235 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7236 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007237 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007238 goto err_out_disable;
7239 }
7240
7241 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007242 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007243
7244 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7245 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007246 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007247 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007248 rc = -EIO;
7249 goto err_out_release;
7250 }
7251
Michael Chanb6016b72005-05-26 13:03:09 -07007252 bp->dev = dev;
7253 bp->pdev = pdev;
7254
7255 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007256 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007257 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007258
7259 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007260 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007261 dev->mem_end = dev->mem_start + mem_len;
7262 dev->irq = pdev->irq;
7263
7264 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7265
7266 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007267 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007268 rc = -ENOMEM;
7269 goto err_out_release;
7270 }
7271
7272 /* Configure byte swap and enable write to the reg_window registers.
7273 * Rely on CPU to do target byte swapping on big endian systems
7274 * The chip's target access swapping will not swap all accesses
7275 */
7276 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7277 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7278 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7279
Pavel Machek829ca9a2005-09-03 15:56:56 -07007280 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007281
7282 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7283
Michael Chan883e5152007-05-03 13:25:11 -07007284 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7285 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7286 dev_err(&pdev->dev,
7287 "Cannot find PCIE capability, aborting.\n");
7288 rc = -EIO;
7289 goto err_out_unmap;
7290 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007291 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007292 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007293 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007294 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007295 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7296 if (bp->pcix_cap == 0) {
7297 dev_err(&pdev->dev,
7298 "Cannot find PCIX capability, aborting.\n");
7299 rc = -EIO;
7300 goto err_out_unmap;
7301 }
7302 }
7303
Michael Chanb4b36042007-12-20 19:59:30 -08007304 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7305 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007306 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007307 }
7308
Michael Chan8e6a72c2007-05-03 13:24:48 -07007309 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7310 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007311 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007312 }
7313
Michael Chan40453c82007-05-03 13:19:18 -07007314 /* 5708 cannot support DMA addresses > 40-bit. */
7315 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7316 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7317 else
7318 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7319
7320 /* Configure DMA attributes. */
7321 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7322 dev->features |= NETIF_F_HIGHDMA;
7323 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7324 if (rc) {
7325 dev_err(&pdev->dev,
7326 "pci_set_consistent_dma_mask failed, aborting.\n");
7327 goto err_out_unmap;
7328 }
7329 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7330 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7331 goto err_out_unmap;
7332 }
7333
David S. Millerf86e82f2008-01-21 17:15:40 -08007334 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007335 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007336
7337 /* 5706A0 may falsely detect SERR and PERR. */
7338 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7339 reg = REG_RD(bp, PCI_COMMAND);
7340 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7341 REG_WR(bp, PCI_COMMAND, reg);
7342 }
7343 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007344 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007345
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007346 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007347 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007348 goto err_out_unmap;
7349 }
7350
7351 bnx2_init_nvram(bp);
7352
Michael Chan2726d6e2008-01-29 21:35:05 -08007353 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007354
7355 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007356 BNX2_SHM_HDR_SIGNATURE_SIG) {
7357 u32 off = PCI_FUNC(pdev->devfn) << 2;
7358
Michael Chan2726d6e2008-01-29 21:35:05 -08007359 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007360 } else
Michael Chane3648b32005-11-04 08:51:21 -08007361 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7362
Michael Chanb6016b72005-05-26 13:03:09 -07007363 /* Get the permanent MAC address. First we need to make sure the
7364 * firmware is actually running.
7365 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007366 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007367
7368 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7369 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007370 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007371 rc = -ENODEV;
7372 goto err_out_unmap;
7373 }
7374
Michael Chan2726d6e2008-01-29 21:35:05 -08007375 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007376 for (i = 0, j = 0; i < 3; i++) {
7377 u8 num, k, skip0;
7378
7379 num = (u8) (reg >> (24 - (i * 8)));
7380 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7381 if (num >= k || !skip0 || k == 1) {
7382 bp->fw_version[j++] = (num / k) + '0';
7383 skip0 = 0;
7384 }
7385 }
7386 if (i != 2)
7387 bp->fw_version[j++] = '.';
7388 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007389 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007390 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7391 bp->wol = 1;
7392
7393 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007394 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007395
7396 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007397 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007398 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7399 break;
7400 msleep(10);
7401 }
7402 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007403 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007404 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7405 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7406 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7407 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007408 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007409
7410 bp->fw_version[j++] = ' ';
7411 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007412 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007413 reg = swab32(reg);
7414 memcpy(&bp->fw_version[j], &reg, 4);
7415 j += 4;
7416 }
7417 }
Michael Chanb6016b72005-05-26 13:03:09 -07007418
Michael Chan2726d6e2008-01-29 21:35:05 -08007419 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007420 bp->mac_addr[0] = (u8) (reg >> 8);
7421 bp->mac_addr[1] = (u8) reg;
7422
Michael Chan2726d6e2008-01-29 21:35:05 -08007423 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007424 bp->mac_addr[2] = (u8) (reg >> 24);
7425 bp->mac_addr[3] = (u8) (reg >> 16);
7426 bp->mac_addr[4] = (u8) (reg >> 8);
7427 bp->mac_addr[5] = (u8) reg;
7428
7429 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007430 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007431
7432 bp->rx_csum = 1;
7433
Michael Chanb6016b72005-05-26 13:03:09 -07007434 bp->tx_quick_cons_trip_int = 20;
7435 bp->tx_quick_cons_trip = 20;
7436 bp->tx_ticks_int = 80;
7437 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007438
Michael Chanb6016b72005-05-26 13:03:09 -07007439 bp->rx_quick_cons_trip_int = 6;
7440 bp->rx_quick_cons_trip = 6;
7441 bp->rx_ticks_int = 18;
7442 bp->rx_ticks = 18;
7443
Michael Chan7ea69202007-07-16 18:27:10 -07007444 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007445
7446 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007447 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007448
Michael Chan5b0c76a2005-11-04 08:45:49 -08007449 bp->phy_addr = 1;
7450
Michael Chanb6016b72005-05-26 13:03:09 -07007451 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007452 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7453 bnx2_get_5709_media(bp);
7454 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007455 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007456
Michael Chan0d8a6572007-07-07 22:49:43 -07007457 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007458 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007459 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007460 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007461 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007462 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007463 bp->wol = 0;
7464 }
Michael Chan38ea3682008-02-23 19:48:57 -08007465 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7466 /* Don't do parallel detect on this board because of
7467 * some board problems. The link will not go down
7468 * if we do parallel detect.
7469 */
7470 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7471 pdev->subsystem_device == 0x310c)
7472 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7473 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007474 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007475 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007476 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007477 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007478 bnx2_init_remote_phy(bp);
7479
Michael Chan261dd5c2007-01-08 19:55:46 -08007480 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7481 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007482 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007483 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7484 (CHIP_REV(bp) == CHIP_REV_Ax ||
7485 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007486 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007487
Michael Chan16088272006-06-12 22:16:43 -07007488 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7489 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007490 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007491 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007492 bp->wol = 0;
7493 }
Michael Chandda1e392006-01-23 16:08:14 -08007494
Michael Chanb6016b72005-05-26 13:03:09 -07007495 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7496 bp->tx_quick_cons_trip_int =
7497 bp->tx_quick_cons_trip;
7498 bp->tx_ticks_int = bp->tx_ticks;
7499 bp->rx_quick_cons_trip_int =
7500 bp->rx_quick_cons_trip;
7501 bp->rx_ticks_int = bp->rx_ticks;
7502 bp->comp_prod_trip_int = bp->comp_prod_trip;
7503 bp->com_ticks_int = bp->com_ticks;
7504 bp->cmd_ticks_int = bp->cmd_ticks;
7505 }
7506
Michael Chanf9317a42006-09-29 17:06:23 -07007507 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7508 *
7509 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7510 * with byte enables disabled on the unused 32-bit word. This is legal
7511 * but causes problems on the AMD 8132 which will eventually stop
7512 * responding after a while.
7513 *
7514 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007515 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007516 */
7517 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7518 struct pci_dev *amd_8132 = NULL;
7519
7520 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7521 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7522 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007523
Auke Kok44c10132007-06-08 15:46:36 -07007524 if (amd_8132->revision >= 0x10 &&
7525 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007526 disable_msi = 1;
7527 pci_dev_put(amd_8132);
7528 break;
7529 }
7530 }
7531 }
7532
Michael Chandeaf3912007-07-07 22:48:00 -07007533 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007534 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7535
Michael Chancd339a02005-08-25 15:35:24 -07007536 init_timer(&bp->timer);
7537 bp->timer.expires = RUN_AT(bp->timer_interval);
7538 bp->timer.data = (unsigned long) bp;
7539 bp->timer.function = bnx2_timer;
7540
Michael Chanb6016b72005-05-26 13:03:09 -07007541 return 0;
7542
7543err_out_unmap:
7544 if (bp->regview) {
7545 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007546 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007547 }
7548
7549err_out_release:
7550 pci_release_regions(pdev);
7551
7552err_out_disable:
7553 pci_disable_device(pdev);
7554 pci_set_drvdata(pdev, NULL);
7555
7556err_out:
7557 return rc;
7558}
7559
Michael Chan883e5152007-05-03 13:25:11 -07007560static char * __devinit
7561bnx2_bus_string(struct bnx2 *bp, char *str)
7562{
7563 char *s = str;
7564
David S. Millerf86e82f2008-01-21 17:15:40 -08007565 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007566 s += sprintf(s, "PCI Express");
7567 } else {
7568 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007569 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007570 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007571 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007572 s += sprintf(s, " 32-bit");
7573 else
7574 s += sprintf(s, " 64-bit");
7575 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7576 }
7577 return str;
7578}
7579
Michael Chan2ba582b2007-12-21 15:04:49 -08007580static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007581bnx2_init_napi(struct bnx2 *bp)
7582{
Michael Chanb4b36042007-12-20 19:59:30 -08007583 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08007584
Michael Chanb4b36042007-12-20 19:59:30 -08007585 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07007586 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7587 int (*poll)(struct napi_struct *, int);
7588
7589 if (i == 0)
7590 poll = bnx2_poll;
7591 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07007592 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07007593
7594 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08007595 bnapi->bp = bp;
7596 }
Michael Chan35efa7c2007-12-20 19:56:37 -08007597}
7598
7599static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007600bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7601{
7602 static int version_printed = 0;
7603 struct net_device *dev = NULL;
7604 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007605 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007606 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007607 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007608
7609 if (version_printed++ == 0)
7610 printk(KERN_INFO "%s", version);
7611
7612 /* dev zeroed in init_etherdev */
7613 dev = alloc_etherdev(sizeof(*bp));
7614
7615 if (!dev)
7616 return -ENOMEM;
7617
7618 rc = bnx2_init_board(pdev, dev);
7619 if (rc < 0) {
7620 free_netdev(dev);
7621 return rc;
7622 }
7623
7624 dev->open = bnx2_open;
7625 dev->hard_start_xmit = bnx2_start_xmit;
7626 dev->stop = bnx2_close;
7627 dev->get_stats = bnx2_get_stats;
7628 dev->set_multicast_list = bnx2_set_rx_mode;
7629 dev->do_ioctl = bnx2_ioctl;
7630 dev->set_mac_address = bnx2_change_mac_addr;
7631 dev->change_mtu = bnx2_change_mtu;
7632 dev->tx_timeout = bnx2_tx_timeout;
7633 dev->watchdog_timeo = TX_TIMEOUT;
7634#ifdef BCM_VLAN
7635 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007636#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007637 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007638
Michael Chan972ec0d2006-01-23 16:12:43 -08007639 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007640 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007641
7642#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7643 dev->poll_controller = poll_bnx2;
7644#endif
7645
Michael Chan1b2f9222007-05-03 13:20:19 -07007646 pci_set_drvdata(pdev, dev);
7647
7648 memcpy(dev->dev_addr, bp->mac_addr, 6);
7649 memcpy(dev->perm_addr, bp->mac_addr, 6);
7650 bp->name = board_info[ent->driver_data].name;
7651
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007652 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007653 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007654 dev->features |= NETIF_F_IPV6_CSUM;
7655
Michael Chan1b2f9222007-05-03 13:20:19 -07007656#ifdef BCM_VLAN
7657 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7658#endif
7659 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007660 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7661 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007662
Michael Chanb6016b72005-05-26 13:03:09 -07007663 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007664 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007665 if (bp->regview)
7666 iounmap(bp->regview);
7667 pci_release_regions(pdev);
7668 pci_disable_device(pdev);
7669 pci_set_drvdata(pdev, NULL);
7670 free_netdev(dev);
7671 return rc;
7672 }
7673
Michael Chan883e5152007-05-03 13:25:11 -07007674 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007675 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007676 dev->name,
7677 bp->name,
7678 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7679 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007680 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007681 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007682 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007683
Michael Chanb6016b72005-05-26 13:03:09 -07007684 return 0;
7685}
7686
7687static void __devexit
7688bnx2_remove_one(struct pci_dev *pdev)
7689{
7690 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007691 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007692
Michael Chanafdc08b2005-08-25 15:34:29 -07007693 flush_scheduled_work();
7694
Michael Chanb6016b72005-05-26 13:03:09 -07007695 unregister_netdev(dev);
7696
7697 if (bp->regview)
7698 iounmap(bp->regview);
7699
7700 free_netdev(dev);
7701 pci_release_regions(pdev);
7702 pci_disable_device(pdev);
7703 pci_set_drvdata(pdev, NULL);
7704}
7705
7706static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007707bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007708{
7709 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007710 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007711 u32 reset_code;
7712
Michael Chan6caebb02007-08-03 20:57:25 -07007713 /* PCI register 4 needs to be saved whether netif_running() or not.
7714 * MSI address and data need to be saved if using MSI and
7715 * netif_running().
7716 */
7717 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007718 if (!netif_running(dev))
7719 return 0;
7720
Michael Chan1d60290f2006-03-20 17:50:08 -08007721 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007722 bnx2_netif_stop(bp);
7723 netif_device_detach(dev);
7724 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007725 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007726 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007727 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007728 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7729 else
7730 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7731 bnx2_reset_chip(bp, reset_code);
7732 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007733 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007734 return 0;
7735}
7736
7737static int
7738bnx2_resume(struct pci_dev *pdev)
7739{
7740 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007741 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007742
Michael Chan6caebb02007-08-03 20:57:25 -07007743 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007744 if (!netif_running(dev))
7745 return 0;
7746
Pavel Machek829ca9a2005-09-03 15:56:56 -07007747 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007748 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07007749 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007750 bnx2_netif_start(bp);
7751 return 0;
7752}
7753
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007754/**
7755 * bnx2_io_error_detected - called when PCI error is detected
7756 * @pdev: Pointer to PCI device
7757 * @state: The current pci connection state
7758 *
7759 * This function is called after a PCI bus error affecting
7760 * this device has been detected.
7761 */
7762static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7763 pci_channel_state_t state)
7764{
7765 struct net_device *dev = pci_get_drvdata(pdev);
7766 struct bnx2 *bp = netdev_priv(dev);
7767
7768 rtnl_lock();
7769 netif_device_detach(dev);
7770
7771 if (netif_running(dev)) {
7772 bnx2_netif_stop(bp);
7773 del_timer_sync(&bp->timer);
7774 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7775 }
7776
7777 pci_disable_device(pdev);
7778 rtnl_unlock();
7779
7780 /* Request a slot slot reset. */
7781 return PCI_ERS_RESULT_NEED_RESET;
7782}
7783
7784/**
7785 * bnx2_io_slot_reset - called after the pci bus has been reset.
7786 * @pdev: Pointer to PCI device
7787 *
7788 * Restart the card from scratch, as if from a cold-boot.
7789 */
7790static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7791{
7792 struct net_device *dev = pci_get_drvdata(pdev);
7793 struct bnx2 *bp = netdev_priv(dev);
7794
7795 rtnl_lock();
7796 if (pci_enable_device(pdev)) {
7797 dev_err(&pdev->dev,
7798 "Cannot re-enable PCI device after reset.\n");
7799 rtnl_unlock();
7800 return PCI_ERS_RESULT_DISCONNECT;
7801 }
7802 pci_set_master(pdev);
7803 pci_restore_state(pdev);
7804
7805 if (netif_running(dev)) {
7806 bnx2_set_power_state(bp, PCI_D0);
7807 bnx2_init_nic(bp, 1);
7808 }
7809
7810 rtnl_unlock();
7811 return PCI_ERS_RESULT_RECOVERED;
7812}
7813
7814/**
7815 * bnx2_io_resume - called when traffic can start flowing again.
7816 * @pdev: Pointer to PCI device
7817 *
7818 * This callback is called when the error recovery driver tells us that
7819 * its OK to resume normal operation.
7820 */
7821static void bnx2_io_resume(struct pci_dev *pdev)
7822{
7823 struct net_device *dev = pci_get_drvdata(pdev);
7824 struct bnx2 *bp = netdev_priv(dev);
7825
7826 rtnl_lock();
7827 if (netif_running(dev))
7828 bnx2_netif_start(bp);
7829
7830 netif_device_attach(dev);
7831 rtnl_unlock();
7832}
7833
7834static struct pci_error_handlers bnx2_err_handler = {
7835 .error_detected = bnx2_io_error_detected,
7836 .slot_reset = bnx2_io_slot_reset,
7837 .resume = bnx2_io_resume,
7838};
7839
Michael Chanb6016b72005-05-26 13:03:09 -07007840static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007841 .name = DRV_MODULE_NAME,
7842 .id_table = bnx2_pci_tbl,
7843 .probe = bnx2_init_one,
7844 .remove = __devexit_p(bnx2_remove_one),
7845 .suspend = bnx2_suspend,
7846 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007847 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07007848};
7849
7850static int __init bnx2_init(void)
7851{
Jeff Garzik29917622006-08-19 17:48:59 -04007852 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007853}
7854
7855static void __exit bnx2_cleanup(void)
7856{
7857 pci_unregister_driver(&bnx2_pci_driver);
7858}
7859
7860module_init(bnx2_init);
7861module_exit(bnx2_cleanup);
7862
7863
7864