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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 Chan7bb0a042008-07-14 22:37:47 -070090 BCM5716,
Michael Chanb6016b72005-05-26 13:03:09 -070091} board_t;
92
93/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -080094static struct {
Michael Chanb6016b72005-05-26 13:03:09 -070095 char *name;
96} board_info[] __devinitdata = {
97 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
98 { "HP NC370T Multifunction Gigabit Server Adapter" },
99 { "HP NC370i Multifunction Gigabit Server Adapter" },
100 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
101 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800102 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
103 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800104 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700105 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700106 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chanb6016b72005-05-26 13:03:09 -0700107 };
108
Michael Chan7bb0a042008-07-14 22:37:47 -0700109static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700110 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
111 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
112 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
113 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
119 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700128 { PCI_VENDOR_ID_BROADCOM, 0x163b,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chanb6016b72005-05-26 13:03:09 -0700130 { 0, }
131};
132
133static struct flash_spec flash_table[] =
134{
Michael Chane30372c2007-07-16 18:26:23 -0700135#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
136#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700137 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800138 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700139 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700140 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
141 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800142 /* Expansion entry 0001 */
143 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700144 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800145 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
146 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700147 /* Saifun SA25F010 (non-buffered flash) */
148 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800149 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700150 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700151 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
152 "Non-buffered flash (128kB)"},
153 /* Saifun SA25F020 (non-buffered flash) */
154 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800155 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700156 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700157 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
158 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800159 /* Expansion entry 0100 */
160 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700161 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800162 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
163 "Entry 0100"},
164 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400165 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700166 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800167 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
168 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
169 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
170 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700171 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800172 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
173 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
174 /* Saifun SA25F005 (non-buffered flash) */
175 /* strap, cfg1, & write1 need updates */
176 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800178 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
179 "Non-buffered flash (64kB)"},
180 /* Fast EEPROM */
181 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700182 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800183 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
184 "EEPROM - fast"},
185 /* Expansion entry 1001 */
186 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700187 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800188 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
189 "Entry 1001"},
190 /* Expansion entry 1010 */
191 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700192 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800193 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
194 "Entry 1010"},
195 /* ATMEL AT45DB011B (buffered flash) */
196 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700197 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800198 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
199 "Buffered flash (128kB)"},
200 /* Expansion entry 1100 */
201 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700202 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800203 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
204 "Entry 1100"},
205 /* Expansion entry 1101 */
206 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700207 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800208 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
209 "Entry 1101"},
210 /* Ateml Expansion entry 1110 */
211 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700212 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800213 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
214 "Entry 1110 (Atmel)"},
215 /* ATMEL AT45DB021B (buffered flash) */
216 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700217 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800218 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
219 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700220};
221
Michael Chane30372c2007-07-16 18:26:23 -0700222static struct flash_spec flash_5709 = {
223 .flags = BNX2_NV_BUFFERED,
224 .page_bits = BCM5709_FLASH_PAGE_BITS,
225 .page_size = BCM5709_FLASH_PAGE_SIZE,
226 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
227 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
228 .name = "5709 Buffered flash (256kB)",
229};
230
Michael Chanb6016b72005-05-26 13:03:09 -0700231MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
232
Michael Chan35e90102008-06-19 16:37:42 -0700233static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700234{
Michael Chan2f8af122006-08-15 01:39:10 -0700235 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700236
Michael Chan2f8af122006-08-15 01:39:10 -0700237 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800238
239 /* The ring uses 256 indices for 255 entries, one of them
240 * needs to be skipped.
241 */
Michael Chan35e90102008-06-19 16:37:42 -0700242 diff = txr->tx_prod - txr->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800243 if (unlikely(diff >= TX_DESC_CNT)) {
244 diff &= 0xffff;
245 if (diff == TX_DESC_CNT)
246 diff = MAX_TX_DESC_CNT;
247 }
Michael Chane89bbf12005-08-25 15:36:58 -0700248 return (bp->tx_ring_size - diff);
249}
250
Michael Chanb6016b72005-05-26 13:03:09 -0700251static u32
252bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
253{
Michael Chan1b8227c2007-05-03 13:24:05 -0700254 u32 val;
255
256 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700257 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700258 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
259 spin_unlock_bh(&bp->indirect_lock);
260 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700261}
262
263static void
264bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
265{
Michael Chan1b8227c2007-05-03 13:24:05 -0700266 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700267 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
268 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700269 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700270}
271
272static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800273bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
274{
275 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
276}
277
278static u32
279bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
280{
281 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
282}
283
284static void
Michael Chanb6016b72005-05-26 13:03:09 -0700285bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
286{
287 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700288 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800289 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
290 int i;
291
292 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
293 REG_WR(bp, BNX2_CTX_CTX_CTRL,
294 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
295 for (i = 0; i < 5; i++) {
296 u32 val;
297 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
298 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
299 break;
300 udelay(5);
301 }
302 } else {
303 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
304 REG_WR(bp, BNX2_CTX_DATA, val);
305 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700306 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700307}
308
309static int
310bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
311{
312 u32 val1;
313 int i, ret;
314
Michael Chan583c28e2008-01-21 19:51:35 -0800315 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700316 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
318
319 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
320 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
321
322 udelay(40);
323 }
324
325 val1 = (bp->phy_addr << 21) | (reg << 16) |
326 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
327 BNX2_EMAC_MDIO_COMM_START_BUSY;
328 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
329
330 for (i = 0; i < 50; i++) {
331 udelay(10);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
335 udelay(5);
336
337 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
338 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
339
340 break;
341 }
342 }
343
344 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
345 *val = 0x0;
346 ret = -EBUSY;
347 }
348 else {
349 *val = val1;
350 ret = 0;
351 }
352
Michael Chan583c28e2008-01-21 19:51:35 -0800353 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700354 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
356
357 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
358 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
359
360 udelay(40);
361 }
362
363 return ret;
364}
365
366static int
367bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
368{
369 u32 val1;
370 int i, ret;
371
Michael Chan583c28e2008-01-21 19:51:35 -0800372 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700373 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
375
376 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
377 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
378
379 udelay(40);
380 }
381
382 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
383 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
384 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
385 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400386
Michael Chanb6016b72005-05-26 13:03:09 -0700387 for (i = 0; i < 50; i++) {
388 udelay(10);
389
390 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
391 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
392 udelay(5);
393 break;
394 }
395 }
396
397 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
398 ret = -EBUSY;
399 else
400 ret = 0;
401
Michael Chan583c28e2008-01-21 19:51:35 -0800402 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700403 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
405
406 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
407 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
408
409 udelay(40);
410 }
411
412 return ret;
413}
414
415static void
416bnx2_disable_int(struct bnx2 *bp)
417{
Michael Chanb4b36042007-12-20 19:59:30 -0800418 int i;
419 struct bnx2_napi *bnapi;
420
421 for (i = 0; i < bp->irq_nvecs; i++) {
422 bnapi = &bp->bnx2_napi[i];
423 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
424 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
425 }
Michael Chanb6016b72005-05-26 13:03:09 -0700426 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
427}
428
429static void
430bnx2_enable_int(struct bnx2 *bp)
431{
Michael Chanb4b36042007-12-20 19:59:30 -0800432 int i;
433 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800434
Michael Chanb4b36042007-12-20 19:59:30 -0800435 for (i = 0; i < bp->irq_nvecs; i++) {
436 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800437
Michael Chanb4b36042007-12-20 19:59:30 -0800438 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
439 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
440 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
441 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700442
Michael Chanb4b36042007-12-20 19:59:30 -0800443 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
444 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
445 bnapi->last_status_idx);
446 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800447 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700448}
449
450static void
451bnx2_disable_int_sync(struct bnx2 *bp)
452{
Michael Chanb4b36042007-12-20 19:59:30 -0800453 int i;
454
Michael Chanb6016b72005-05-26 13:03:09 -0700455 atomic_inc(&bp->intr_sem);
456 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800457 for (i = 0; i < bp->irq_nvecs; i++)
458 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700459}
460
461static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800462bnx2_napi_disable(struct bnx2 *bp)
463{
Michael Chanb4b36042007-12-20 19:59:30 -0800464 int i;
465
466 for (i = 0; i < bp->irq_nvecs; i++)
467 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800468}
469
470static void
471bnx2_napi_enable(struct bnx2 *bp)
472{
Michael Chanb4b36042007-12-20 19:59:30 -0800473 int i;
474
475 for (i = 0; i < bp->irq_nvecs; i++)
476 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800477}
478
479static void
Michael Chanb6016b72005-05-26 13:03:09 -0700480bnx2_netif_stop(struct bnx2 *bp)
481{
482 bnx2_disable_int_sync(bp);
483 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800484 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700485 netif_tx_disable(bp->dev);
486 bp->dev->trans_start = jiffies; /* prevent tx timeout */
487 }
488}
489
490static void
491bnx2_netif_start(struct bnx2 *bp)
492{
493 if (atomic_dec_and_test(&bp->intr_sem)) {
494 if (netif_running(bp->dev)) {
495 netif_wake_queue(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800496 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700497 bnx2_enable_int(bp);
498 }
499 }
500}
501
502static void
Michael Chan35e90102008-06-19 16:37:42 -0700503bnx2_free_tx_mem(struct bnx2 *bp)
504{
505 int i;
506
507 for (i = 0; i < bp->num_tx_rings; i++) {
508 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
509 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
510
511 if (txr->tx_desc_ring) {
512 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
513 txr->tx_desc_ring,
514 txr->tx_desc_mapping);
515 txr->tx_desc_ring = NULL;
516 }
517 kfree(txr->tx_buf_ring);
518 txr->tx_buf_ring = NULL;
519 }
520}
521
Michael Chanbb4f98a2008-06-19 16:38:19 -0700522static void
523bnx2_free_rx_mem(struct bnx2 *bp)
524{
525 int i;
526
527 for (i = 0; i < bp->num_rx_rings; i++) {
528 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
529 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
530 int j;
531
532 for (j = 0; j < bp->rx_max_ring; j++) {
533 if (rxr->rx_desc_ring[j])
534 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
535 rxr->rx_desc_ring[j],
536 rxr->rx_desc_mapping[j]);
537 rxr->rx_desc_ring[j] = NULL;
538 }
539 if (rxr->rx_buf_ring)
540 vfree(rxr->rx_buf_ring);
541 rxr->rx_buf_ring = NULL;
542
543 for (j = 0; j < bp->rx_max_pg_ring; j++) {
544 if (rxr->rx_pg_desc_ring[j])
545 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
546 rxr->rx_pg_desc_ring[i],
547 rxr->rx_pg_desc_mapping[i]);
548 rxr->rx_pg_desc_ring[i] = NULL;
549 }
550 if (rxr->rx_pg_ring)
551 vfree(rxr->rx_pg_ring);
552 rxr->rx_pg_ring = NULL;
553 }
554}
555
Michael Chan35e90102008-06-19 16:37:42 -0700556static int
557bnx2_alloc_tx_mem(struct bnx2 *bp)
558{
559 int i;
560
561 for (i = 0; i < bp->num_tx_rings; i++) {
562 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
563 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
564
565 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
566 if (txr->tx_buf_ring == NULL)
567 return -ENOMEM;
568
569 txr->tx_desc_ring =
570 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
571 &txr->tx_desc_mapping);
572 if (txr->tx_desc_ring == NULL)
573 return -ENOMEM;
574 }
575 return 0;
576}
577
Michael Chanbb4f98a2008-06-19 16:38:19 -0700578static int
579bnx2_alloc_rx_mem(struct bnx2 *bp)
580{
581 int i;
582
583 for (i = 0; i < bp->num_rx_rings; i++) {
584 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
585 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
586 int j;
587
588 rxr->rx_buf_ring =
589 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
590 if (rxr->rx_buf_ring == NULL)
591 return -ENOMEM;
592
593 memset(rxr->rx_buf_ring, 0,
594 SW_RXBD_RING_SIZE * bp->rx_max_ring);
595
596 for (j = 0; j < bp->rx_max_ring; j++) {
597 rxr->rx_desc_ring[j] =
598 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
599 &rxr->rx_desc_mapping[j]);
600 if (rxr->rx_desc_ring[j] == NULL)
601 return -ENOMEM;
602
603 }
604
605 if (bp->rx_pg_ring_size) {
606 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
607 bp->rx_max_pg_ring);
608 if (rxr->rx_pg_ring == NULL)
609 return -ENOMEM;
610
611 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
612 bp->rx_max_pg_ring);
613 }
614
615 for (j = 0; j < bp->rx_max_pg_ring; j++) {
616 rxr->rx_pg_desc_ring[j] =
617 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
618 &rxr->rx_pg_desc_mapping[j]);
619 if (rxr->rx_pg_desc_ring[j] == NULL)
620 return -ENOMEM;
621
622 }
623 }
624 return 0;
625}
626
Michael Chan35e90102008-06-19 16:37:42 -0700627static void
Michael Chanb6016b72005-05-26 13:03:09 -0700628bnx2_free_mem(struct bnx2 *bp)
629{
Michael Chan13daffa2006-03-20 17:49:20 -0800630 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700631 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800632
Michael Chan35e90102008-06-19 16:37:42 -0700633 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700634 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700635
Michael Chan59b47d82006-11-19 14:10:45 -0800636 for (i = 0; i < bp->ctx_pages; i++) {
637 if (bp->ctx_blk[i]) {
638 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
639 bp->ctx_blk[i],
640 bp->ctx_blk_mapping[i]);
641 bp->ctx_blk[i] = NULL;
642 }
643 }
Michael Chan43e80b82008-06-19 16:41:08 -0700644 if (bnapi->status_blk.msi) {
Michael Chan0f31f992006-03-23 01:12:38 -0800645 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chan43e80b82008-06-19 16:41:08 -0700646 bnapi->status_blk.msi,
647 bp->status_blk_mapping);
648 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800649 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700650 }
Michael Chanb6016b72005-05-26 13:03:09 -0700651}
652
653static int
654bnx2_alloc_mem(struct bnx2 *bp)
655{
Michael Chan35e90102008-06-19 16:37:42 -0700656 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700657 struct bnx2_napi *bnapi;
658 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700659
Michael Chan0f31f992006-03-23 01:12:38 -0800660 /* Combine status and statistics blocks into one allocation. */
661 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800662 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800663 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
664 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800665 bp->status_stats_size = status_blk_size +
666 sizeof(struct statistics_block);
667
Michael Chan43e80b82008-06-19 16:41:08 -0700668 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
669 &bp->status_blk_mapping);
670 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700671 goto alloc_mem_err;
672
Michael Chan43e80b82008-06-19 16:41:08 -0700673 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700674
Michael Chan43e80b82008-06-19 16:41:08 -0700675 bnapi = &bp->bnx2_napi[0];
676 bnapi->status_blk.msi = status_blk;
677 bnapi->hw_tx_cons_ptr =
678 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
679 bnapi->hw_rx_cons_ptr =
680 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800681 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800682 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700683 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800684
Michael Chan43e80b82008-06-19 16:41:08 -0700685 bnapi = &bp->bnx2_napi[i];
686
687 sblk = (void *) (status_blk +
688 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
689 bnapi->status_blk.msix = sblk;
690 bnapi->hw_tx_cons_ptr =
691 &sblk->status_tx_quick_consumer_index;
692 bnapi->hw_rx_cons_ptr =
693 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800694 bnapi->int_num = i << 24;
695 }
696 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800697
Michael Chan43e80b82008-06-19 16:41:08 -0700698 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700699
Michael Chan0f31f992006-03-23 01:12:38 -0800700 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700701
Michael Chan59b47d82006-11-19 14:10:45 -0800702 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
703 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
704 if (bp->ctx_pages == 0)
705 bp->ctx_pages = 1;
706 for (i = 0; i < bp->ctx_pages; i++) {
707 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
708 BCM_PAGE_SIZE,
709 &bp->ctx_blk_mapping[i]);
710 if (bp->ctx_blk[i] == NULL)
711 goto alloc_mem_err;
712 }
713 }
Michael Chan35e90102008-06-19 16:37:42 -0700714
Michael Chanbb4f98a2008-06-19 16:38:19 -0700715 err = bnx2_alloc_rx_mem(bp);
716 if (err)
717 goto alloc_mem_err;
718
Michael Chan35e90102008-06-19 16:37:42 -0700719 err = bnx2_alloc_tx_mem(bp);
720 if (err)
721 goto alloc_mem_err;
722
Michael Chanb6016b72005-05-26 13:03:09 -0700723 return 0;
724
725alloc_mem_err:
726 bnx2_free_mem(bp);
727 return -ENOMEM;
728}
729
730static void
Michael Chane3648b32005-11-04 08:51:21 -0800731bnx2_report_fw_link(struct bnx2 *bp)
732{
733 u32 fw_link_status = 0;
734
Michael Chan583c28e2008-01-21 19:51:35 -0800735 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700736 return;
737
Michael Chane3648b32005-11-04 08:51:21 -0800738 if (bp->link_up) {
739 u32 bmsr;
740
741 switch (bp->line_speed) {
742 case SPEED_10:
743 if (bp->duplex == DUPLEX_HALF)
744 fw_link_status = BNX2_LINK_STATUS_10HALF;
745 else
746 fw_link_status = BNX2_LINK_STATUS_10FULL;
747 break;
748 case SPEED_100:
749 if (bp->duplex == DUPLEX_HALF)
750 fw_link_status = BNX2_LINK_STATUS_100HALF;
751 else
752 fw_link_status = BNX2_LINK_STATUS_100FULL;
753 break;
754 case SPEED_1000:
755 if (bp->duplex == DUPLEX_HALF)
756 fw_link_status = BNX2_LINK_STATUS_1000HALF;
757 else
758 fw_link_status = BNX2_LINK_STATUS_1000FULL;
759 break;
760 case SPEED_2500:
761 if (bp->duplex == DUPLEX_HALF)
762 fw_link_status = BNX2_LINK_STATUS_2500HALF;
763 else
764 fw_link_status = BNX2_LINK_STATUS_2500FULL;
765 break;
766 }
767
768 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
769
770 if (bp->autoneg) {
771 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
772
Michael Chanca58c3a2007-05-03 13:22:52 -0700773 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
774 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800775
776 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800777 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800778 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
779 else
780 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
781 }
782 }
783 else
784 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
785
Michael Chan2726d6e2008-01-29 21:35:05 -0800786 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800787}
788
Michael Chan9b1084b2007-07-07 22:50:37 -0700789static char *
790bnx2_xceiver_str(struct bnx2 *bp)
791{
792 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800793 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700794 "Copper"));
795}
796
Michael Chane3648b32005-11-04 08:51:21 -0800797static void
Michael Chanb6016b72005-05-26 13:03:09 -0700798bnx2_report_link(struct bnx2 *bp)
799{
800 if (bp->link_up) {
801 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700802 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
803 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700804
805 printk("%d Mbps ", bp->line_speed);
806
807 if (bp->duplex == DUPLEX_FULL)
808 printk("full duplex");
809 else
810 printk("half duplex");
811
812 if (bp->flow_ctrl) {
813 if (bp->flow_ctrl & FLOW_CTRL_RX) {
814 printk(", receive ");
815 if (bp->flow_ctrl & FLOW_CTRL_TX)
816 printk("& transmit ");
817 }
818 else {
819 printk(", transmit ");
820 }
821 printk("flow control ON");
822 }
823 printk("\n");
824 }
825 else {
826 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700827 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
828 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700829 }
Michael Chane3648b32005-11-04 08:51:21 -0800830
831 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700832}
833
834static void
835bnx2_resolve_flow_ctrl(struct bnx2 *bp)
836{
837 u32 local_adv, remote_adv;
838
839 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400840 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -0700841 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
842
843 if (bp->duplex == DUPLEX_FULL) {
844 bp->flow_ctrl = bp->req_flow_ctrl;
845 }
846 return;
847 }
848
849 if (bp->duplex != DUPLEX_FULL) {
850 return;
851 }
852
Michael Chan583c28e2008-01-21 19:51:35 -0800853 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -0800854 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
855 u32 val;
856
857 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
858 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
859 bp->flow_ctrl |= FLOW_CTRL_TX;
860 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
861 bp->flow_ctrl |= FLOW_CTRL_RX;
862 return;
863 }
864
Michael Chanca58c3a2007-05-03 13:22:52 -0700865 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
866 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700867
Michael Chan583c28e2008-01-21 19:51:35 -0800868 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -0700869 u32 new_local_adv = 0;
870 u32 new_remote_adv = 0;
871
872 if (local_adv & ADVERTISE_1000XPAUSE)
873 new_local_adv |= ADVERTISE_PAUSE_CAP;
874 if (local_adv & ADVERTISE_1000XPSE_ASYM)
875 new_local_adv |= ADVERTISE_PAUSE_ASYM;
876 if (remote_adv & ADVERTISE_1000XPAUSE)
877 new_remote_adv |= ADVERTISE_PAUSE_CAP;
878 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
879 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
880
881 local_adv = new_local_adv;
882 remote_adv = new_remote_adv;
883 }
884
885 /* See Table 28B-3 of 802.3ab-1999 spec. */
886 if (local_adv & ADVERTISE_PAUSE_CAP) {
887 if(local_adv & ADVERTISE_PAUSE_ASYM) {
888 if (remote_adv & ADVERTISE_PAUSE_CAP) {
889 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
890 }
891 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
892 bp->flow_ctrl = FLOW_CTRL_RX;
893 }
894 }
895 else {
896 if (remote_adv & ADVERTISE_PAUSE_CAP) {
897 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
898 }
899 }
900 }
901 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
902 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
903 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
904
905 bp->flow_ctrl = FLOW_CTRL_TX;
906 }
907 }
908}
909
910static int
Michael Chan27a005b2007-05-03 13:23:41 -0700911bnx2_5709s_linkup(struct bnx2 *bp)
912{
913 u32 val, speed;
914
915 bp->link_up = 1;
916
917 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
918 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
919 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
920
921 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
922 bp->line_speed = bp->req_line_speed;
923 bp->duplex = bp->req_duplex;
924 return 0;
925 }
926 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
927 switch (speed) {
928 case MII_BNX2_GP_TOP_AN_SPEED_10:
929 bp->line_speed = SPEED_10;
930 break;
931 case MII_BNX2_GP_TOP_AN_SPEED_100:
932 bp->line_speed = SPEED_100;
933 break;
934 case MII_BNX2_GP_TOP_AN_SPEED_1G:
935 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
936 bp->line_speed = SPEED_1000;
937 break;
938 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
939 bp->line_speed = SPEED_2500;
940 break;
941 }
942 if (val & MII_BNX2_GP_TOP_AN_FD)
943 bp->duplex = DUPLEX_FULL;
944 else
945 bp->duplex = DUPLEX_HALF;
946 return 0;
947}
948
949static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800950bnx2_5708s_linkup(struct bnx2 *bp)
951{
952 u32 val;
953
954 bp->link_up = 1;
955 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
956 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
957 case BCM5708S_1000X_STAT1_SPEED_10:
958 bp->line_speed = SPEED_10;
959 break;
960 case BCM5708S_1000X_STAT1_SPEED_100:
961 bp->line_speed = SPEED_100;
962 break;
963 case BCM5708S_1000X_STAT1_SPEED_1G:
964 bp->line_speed = SPEED_1000;
965 break;
966 case BCM5708S_1000X_STAT1_SPEED_2G5:
967 bp->line_speed = SPEED_2500;
968 break;
969 }
970 if (val & BCM5708S_1000X_STAT1_FD)
971 bp->duplex = DUPLEX_FULL;
972 else
973 bp->duplex = DUPLEX_HALF;
974
975 return 0;
976}
977
978static int
979bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700980{
981 u32 bmcr, local_adv, remote_adv, common;
982
983 bp->link_up = 1;
984 bp->line_speed = SPEED_1000;
985
Michael Chanca58c3a2007-05-03 13:22:52 -0700986 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700987 if (bmcr & BMCR_FULLDPLX) {
988 bp->duplex = DUPLEX_FULL;
989 }
990 else {
991 bp->duplex = DUPLEX_HALF;
992 }
993
994 if (!(bmcr & BMCR_ANENABLE)) {
995 return 0;
996 }
997
Michael Chanca58c3a2007-05-03 13:22:52 -0700998 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
999 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001000
1001 common = local_adv & remote_adv;
1002 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1003
1004 if (common & ADVERTISE_1000XFULL) {
1005 bp->duplex = DUPLEX_FULL;
1006 }
1007 else {
1008 bp->duplex = DUPLEX_HALF;
1009 }
1010 }
1011
1012 return 0;
1013}
1014
1015static int
1016bnx2_copper_linkup(struct bnx2 *bp)
1017{
1018 u32 bmcr;
1019
Michael Chanca58c3a2007-05-03 13:22:52 -07001020 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001021 if (bmcr & BMCR_ANENABLE) {
1022 u32 local_adv, remote_adv, common;
1023
1024 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1025 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1026
1027 common = local_adv & (remote_adv >> 2);
1028 if (common & ADVERTISE_1000FULL) {
1029 bp->line_speed = SPEED_1000;
1030 bp->duplex = DUPLEX_FULL;
1031 }
1032 else if (common & ADVERTISE_1000HALF) {
1033 bp->line_speed = SPEED_1000;
1034 bp->duplex = DUPLEX_HALF;
1035 }
1036 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001037 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1038 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001039
1040 common = local_adv & remote_adv;
1041 if (common & ADVERTISE_100FULL) {
1042 bp->line_speed = SPEED_100;
1043 bp->duplex = DUPLEX_FULL;
1044 }
1045 else if (common & ADVERTISE_100HALF) {
1046 bp->line_speed = SPEED_100;
1047 bp->duplex = DUPLEX_HALF;
1048 }
1049 else if (common & ADVERTISE_10FULL) {
1050 bp->line_speed = SPEED_10;
1051 bp->duplex = DUPLEX_FULL;
1052 }
1053 else if (common & ADVERTISE_10HALF) {
1054 bp->line_speed = SPEED_10;
1055 bp->duplex = DUPLEX_HALF;
1056 }
1057 else {
1058 bp->line_speed = 0;
1059 bp->link_up = 0;
1060 }
1061 }
1062 }
1063 else {
1064 if (bmcr & BMCR_SPEED100) {
1065 bp->line_speed = SPEED_100;
1066 }
1067 else {
1068 bp->line_speed = SPEED_10;
1069 }
1070 if (bmcr & BMCR_FULLDPLX) {
1071 bp->duplex = DUPLEX_FULL;
1072 }
1073 else {
1074 bp->duplex = DUPLEX_HALF;
1075 }
1076 }
1077
1078 return 0;
1079}
1080
Michael Chan83e3fc82008-01-29 21:37:17 -08001081static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001082bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001083{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001084 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001085
1086 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1087 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1088 val |= 0x02 << 8;
1089
1090 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1091 u32 lo_water, hi_water;
1092
1093 if (bp->flow_ctrl & FLOW_CTRL_TX)
1094 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1095 else
1096 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1097 if (lo_water >= bp->rx_ring_size)
1098 lo_water = 0;
1099
1100 hi_water = bp->rx_ring_size / 4;
1101
1102 if (hi_water <= lo_water)
1103 lo_water = 0;
1104
1105 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1106 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1107
1108 if (hi_water > 0xf)
1109 hi_water = 0xf;
1110 else if (hi_water == 0)
1111 lo_water = 0;
1112 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1113 }
1114 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1115}
1116
Michael Chanbb4f98a2008-06-19 16:38:19 -07001117static void
1118bnx2_init_all_rx_contexts(struct bnx2 *bp)
1119{
1120 int i;
1121 u32 cid;
1122
1123 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1124 if (i == 1)
1125 cid = RX_RSS_CID;
1126 bnx2_init_rx_context(bp, cid);
1127 }
1128}
1129
Michael Chanb6016b72005-05-26 13:03:09 -07001130static int
1131bnx2_set_mac_link(struct bnx2 *bp)
1132{
1133 u32 val;
1134
1135 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1136 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1137 (bp->duplex == DUPLEX_HALF)) {
1138 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1139 }
1140
1141 /* Configure the EMAC mode register. */
1142 val = REG_RD(bp, BNX2_EMAC_MODE);
1143
1144 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001145 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001146 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001147
1148 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001149 switch (bp->line_speed) {
1150 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001151 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1152 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001153 break;
1154 }
1155 /* fall through */
1156 case SPEED_100:
1157 val |= BNX2_EMAC_MODE_PORT_MII;
1158 break;
1159 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001160 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001161 /* fall through */
1162 case SPEED_1000:
1163 val |= BNX2_EMAC_MODE_PORT_GMII;
1164 break;
1165 }
Michael Chanb6016b72005-05-26 13:03:09 -07001166 }
1167 else {
1168 val |= BNX2_EMAC_MODE_PORT_GMII;
1169 }
1170
1171 /* Set the MAC to operate in the appropriate duplex mode. */
1172 if (bp->duplex == DUPLEX_HALF)
1173 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1174 REG_WR(bp, BNX2_EMAC_MODE, val);
1175
1176 /* Enable/disable rx PAUSE. */
1177 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1178
1179 if (bp->flow_ctrl & FLOW_CTRL_RX)
1180 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1181 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1182
1183 /* Enable/disable tx PAUSE. */
1184 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1185 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1186
1187 if (bp->flow_ctrl & FLOW_CTRL_TX)
1188 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1189 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1190
1191 /* Acknowledge the interrupt. */
1192 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1193
Michael Chan83e3fc82008-01-29 21:37:17 -08001194 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chanbb4f98a2008-06-19 16:38:19 -07001195 bnx2_init_all_rx_contexts(bp);
Michael Chan83e3fc82008-01-29 21:37:17 -08001196
Michael Chanb6016b72005-05-26 13:03:09 -07001197 return 0;
1198}
1199
Michael Chan27a005b2007-05-03 13:23:41 -07001200static void
1201bnx2_enable_bmsr1(struct bnx2 *bp)
1202{
Michael Chan583c28e2008-01-21 19:51:35 -08001203 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001204 (CHIP_NUM(bp) == CHIP_NUM_5709))
1205 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1206 MII_BNX2_BLK_ADDR_GP_STATUS);
1207}
1208
1209static void
1210bnx2_disable_bmsr1(struct bnx2 *bp)
1211{
Michael Chan583c28e2008-01-21 19:51:35 -08001212 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001213 (CHIP_NUM(bp) == CHIP_NUM_5709))
1214 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1215 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1216}
1217
Michael Chanb6016b72005-05-26 13:03:09 -07001218static int
Michael Chan605a9e22007-05-03 13:23:13 -07001219bnx2_test_and_enable_2g5(struct bnx2 *bp)
1220{
1221 u32 up1;
1222 int ret = 1;
1223
Michael Chan583c28e2008-01-21 19:51:35 -08001224 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001225 return 0;
1226
1227 if (bp->autoneg & AUTONEG_SPEED)
1228 bp->advertising |= ADVERTISED_2500baseX_Full;
1229
Michael Chan27a005b2007-05-03 13:23:41 -07001230 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1231 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1232
Michael Chan605a9e22007-05-03 13:23:13 -07001233 bnx2_read_phy(bp, bp->mii_up1, &up1);
1234 if (!(up1 & BCM5708S_UP1_2G5)) {
1235 up1 |= BCM5708S_UP1_2G5;
1236 bnx2_write_phy(bp, bp->mii_up1, up1);
1237 ret = 0;
1238 }
1239
Michael Chan27a005b2007-05-03 13:23:41 -07001240 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1241 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1242 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1243
Michael Chan605a9e22007-05-03 13:23:13 -07001244 return ret;
1245}
1246
1247static int
1248bnx2_test_and_disable_2g5(struct bnx2 *bp)
1249{
1250 u32 up1;
1251 int ret = 0;
1252
Michael Chan583c28e2008-01-21 19:51:35 -08001253 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001254 return 0;
1255
Michael Chan27a005b2007-05-03 13:23:41 -07001256 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1257 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1258
Michael Chan605a9e22007-05-03 13:23:13 -07001259 bnx2_read_phy(bp, bp->mii_up1, &up1);
1260 if (up1 & BCM5708S_UP1_2G5) {
1261 up1 &= ~BCM5708S_UP1_2G5;
1262 bnx2_write_phy(bp, bp->mii_up1, up1);
1263 ret = 1;
1264 }
1265
Michael Chan27a005b2007-05-03 13:23:41 -07001266 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1267 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1268 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1269
Michael Chan605a9e22007-05-03 13:23:13 -07001270 return ret;
1271}
1272
1273static void
1274bnx2_enable_forced_2g5(struct bnx2 *bp)
1275{
1276 u32 bmcr;
1277
Michael Chan583c28e2008-01-21 19:51:35 -08001278 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001279 return;
1280
Michael Chan27a005b2007-05-03 13:23:41 -07001281 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1282 u32 val;
1283
1284 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1285 MII_BNX2_BLK_ADDR_SERDES_DIG);
1286 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1287 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1288 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1289 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1290
1291 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1292 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1293 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1294
1295 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001296 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1297 bmcr |= BCM5708S_BMCR_FORCE_2500;
1298 }
1299
1300 if (bp->autoneg & AUTONEG_SPEED) {
1301 bmcr &= ~BMCR_ANENABLE;
1302 if (bp->req_duplex == DUPLEX_FULL)
1303 bmcr |= BMCR_FULLDPLX;
1304 }
1305 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1306}
1307
1308static void
1309bnx2_disable_forced_2g5(struct bnx2 *bp)
1310{
1311 u32 bmcr;
1312
Michael Chan583c28e2008-01-21 19:51:35 -08001313 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001314 return;
1315
Michael Chan27a005b2007-05-03 13:23:41 -07001316 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1317 u32 val;
1318
1319 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1320 MII_BNX2_BLK_ADDR_SERDES_DIG);
1321 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1322 val &= ~MII_BNX2_SD_MISC1_FORCE;
1323 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1324
1325 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1326 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1327 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1328
1329 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001330 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1331 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1332 }
1333
1334 if (bp->autoneg & AUTONEG_SPEED)
1335 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1336 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1337}
1338
Michael Chanb2fadea2008-01-21 17:07:06 -08001339static void
1340bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1341{
1342 u32 val;
1343
1344 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1345 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1346 if (start)
1347 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1348 else
1349 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1350}
1351
Michael Chan605a9e22007-05-03 13:23:13 -07001352static int
Michael Chanb6016b72005-05-26 13:03:09 -07001353bnx2_set_link(struct bnx2 *bp)
1354{
1355 u32 bmsr;
1356 u8 link_up;
1357
Michael Chan80be4432006-11-19 14:07:28 -08001358 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001359 bp->link_up = 1;
1360 return 0;
1361 }
1362
Michael Chan583c28e2008-01-21 19:51:35 -08001363 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001364 return 0;
1365
Michael Chanb6016b72005-05-26 13:03:09 -07001366 link_up = bp->link_up;
1367
Michael Chan27a005b2007-05-03 13:23:41 -07001368 bnx2_enable_bmsr1(bp);
1369 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1370 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1371 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001372
Michael Chan583c28e2008-01-21 19:51:35 -08001373 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001374 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001375 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001376
Michael Chan583c28e2008-01-21 19:51:35 -08001377 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001378 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001379 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001380 }
Michael Chanb6016b72005-05-26 13:03:09 -07001381 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001382
1383 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1384 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1385 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1386
1387 if ((val & BNX2_EMAC_STATUS_LINK) &&
1388 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001389 bmsr |= BMSR_LSTATUS;
1390 else
1391 bmsr &= ~BMSR_LSTATUS;
1392 }
1393
1394 if (bmsr & BMSR_LSTATUS) {
1395 bp->link_up = 1;
1396
Michael Chan583c28e2008-01-21 19:51:35 -08001397 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001398 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1399 bnx2_5706s_linkup(bp);
1400 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1401 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001402 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1403 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001404 }
1405 else {
1406 bnx2_copper_linkup(bp);
1407 }
1408 bnx2_resolve_flow_ctrl(bp);
1409 }
1410 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001411 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001412 (bp->autoneg & AUTONEG_SPEED))
1413 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001414
Michael Chan583c28e2008-01-21 19:51:35 -08001415 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001416 u32 bmcr;
1417
1418 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1419 bmcr |= BMCR_ANENABLE;
1420 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1421
Michael Chan583c28e2008-01-21 19:51:35 -08001422 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001423 }
Michael Chanb6016b72005-05-26 13:03:09 -07001424 bp->link_up = 0;
1425 }
1426
1427 if (bp->link_up != link_up) {
1428 bnx2_report_link(bp);
1429 }
1430
1431 bnx2_set_mac_link(bp);
1432
1433 return 0;
1434}
1435
1436static int
1437bnx2_reset_phy(struct bnx2 *bp)
1438{
1439 int i;
1440 u32 reg;
1441
Michael Chanca58c3a2007-05-03 13:22:52 -07001442 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001443
1444#define PHY_RESET_MAX_WAIT 100
1445 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1446 udelay(10);
1447
Michael Chanca58c3a2007-05-03 13:22:52 -07001448 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001449 if (!(reg & BMCR_RESET)) {
1450 udelay(20);
1451 break;
1452 }
1453 }
1454 if (i == PHY_RESET_MAX_WAIT) {
1455 return -EBUSY;
1456 }
1457 return 0;
1458}
1459
1460static u32
1461bnx2_phy_get_pause_adv(struct bnx2 *bp)
1462{
1463 u32 adv = 0;
1464
1465 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1466 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1467
Michael Chan583c28e2008-01-21 19:51:35 -08001468 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001469 adv = ADVERTISE_1000XPAUSE;
1470 }
1471 else {
1472 adv = ADVERTISE_PAUSE_CAP;
1473 }
1474 }
1475 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001476 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001477 adv = ADVERTISE_1000XPSE_ASYM;
1478 }
1479 else {
1480 adv = ADVERTISE_PAUSE_ASYM;
1481 }
1482 }
1483 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001484 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001485 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1486 }
1487 else {
1488 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1489 }
1490 }
1491 return adv;
1492}
1493
Michael Chana2f13892008-07-14 22:38:23 -07001494static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001495
Michael Chanb6016b72005-05-26 13:03:09 -07001496static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001497bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1498{
1499 u32 speed_arg = 0, pause_adv;
1500
1501 pause_adv = bnx2_phy_get_pause_adv(bp);
1502
1503 if (bp->autoneg & AUTONEG_SPEED) {
1504 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1505 if (bp->advertising & ADVERTISED_10baseT_Half)
1506 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1507 if (bp->advertising & ADVERTISED_10baseT_Full)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1509 if (bp->advertising & ADVERTISED_100baseT_Half)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1511 if (bp->advertising & ADVERTISED_100baseT_Full)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1513 if (bp->advertising & ADVERTISED_1000baseT_Full)
1514 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1515 if (bp->advertising & ADVERTISED_2500baseX_Full)
1516 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1517 } else {
1518 if (bp->req_line_speed == SPEED_2500)
1519 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1520 else if (bp->req_line_speed == SPEED_1000)
1521 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1522 else if (bp->req_line_speed == SPEED_100) {
1523 if (bp->req_duplex == DUPLEX_FULL)
1524 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1525 else
1526 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1527 } else if (bp->req_line_speed == SPEED_10) {
1528 if (bp->req_duplex == DUPLEX_FULL)
1529 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1530 else
1531 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1532 }
1533 }
1534
1535 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1536 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001537 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001538 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1539
1540 if (port == PORT_TP)
1541 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1542 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1543
Michael Chan2726d6e2008-01-29 21:35:05 -08001544 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001545
1546 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001547 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001548 spin_lock_bh(&bp->phy_lock);
1549
1550 return 0;
1551}
1552
1553static int
1554bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001555{
Michael Chan605a9e22007-05-03 13:23:13 -07001556 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001557 u32 new_adv = 0;
1558
Michael Chan583c28e2008-01-21 19:51:35 -08001559 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001560 return (bnx2_setup_remote_phy(bp, port));
1561
Michael Chanb6016b72005-05-26 13:03:09 -07001562 if (!(bp->autoneg & AUTONEG_SPEED)) {
1563 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001564 int force_link_down = 0;
1565
Michael Chan605a9e22007-05-03 13:23:13 -07001566 if (bp->req_line_speed == SPEED_2500) {
1567 if (!bnx2_test_and_enable_2g5(bp))
1568 force_link_down = 1;
1569 } else if (bp->req_line_speed == SPEED_1000) {
1570 if (bnx2_test_and_disable_2g5(bp))
1571 force_link_down = 1;
1572 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001573 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001574 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1575
Michael Chanca58c3a2007-05-03 13:22:52 -07001576 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001577 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001578 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001579
Michael Chan27a005b2007-05-03 13:23:41 -07001580 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1581 if (bp->req_line_speed == SPEED_2500)
1582 bnx2_enable_forced_2g5(bp);
1583 else if (bp->req_line_speed == SPEED_1000) {
1584 bnx2_disable_forced_2g5(bp);
1585 new_bmcr &= ~0x2000;
1586 }
1587
1588 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001589 if (bp->req_line_speed == SPEED_2500)
1590 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1591 else
1592 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001593 }
1594
Michael Chanb6016b72005-05-26 13:03:09 -07001595 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001596 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001597 new_bmcr |= BMCR_FULLDPLX;
1598 }
1599 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001600 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001601 new_bmcr &= ~BMCR_FULLDPLX;
1602 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001603 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001604 /* Force a link down visible on the other side */
1605 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001606 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001607 ~(ADVERTISE_1000XFULL |
1608 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001609 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001610 BMCR_ANRESTART | BMCR_ANENABLE);
1611
1612 bp->link_up = 0;
1613 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001614 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001615 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001616 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001617 bnx2_write_phy(bp, bp->mii_adv, adv);
1618 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001619 } else {
1620 bnx2_resolve_flow_ctrl(bp);
1621 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001622 }
1623 return 0;
1624 }
1625
Michael Chan605a9e22007-05-03 13:23:13 -07001626 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001627
Michael Chanb6016b72005-05-26 13:03:09 -07001628 if (bp->advertising & ADVERTISED_1000baseT_Full)
1629 new_adv |= ADVERTISE_1000XFULL;
1630
1631 new_adv |= bnx2_phy_get_pause_adv(bp);
1632
Michael Chanca58c3a2007-05-03 13:22:52 -07001633 bnx2_read_phy(bp, bp->mii_adv, &adv);
1634 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001635
1636 bp->serdes_an_pending = 0;
1637 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1638 /* Force a link down visible on the other side */
1639 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001640 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001641 spin_unlock_bh(&bp->phy_lock);
1642 msleep(20);
1643 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001644 }
1645
Michael Chanca58c3a2007-05-03 13:22:52 -07001646 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1647 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001648 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001649 /* Speed up link-up time when the link partner
1650 * does not autonegotiate which is very common
1651 * in blade servers. Some blade servers use
1652 * IPMI for kerboard input and it's important
1653 * to minimize link disruptions. Autoneg. involves
1654 * exchanging base pages plus 3 next pages and
1655 * normally completes in about 120 msec.
1656 */
1657 bp->current_interval = SERDES_AN_TIMEOUT;
1658 bp->serdes_an_pending = 1;
1659 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001660 } else {
1661 bnx2_resolve_flow_ctrl(bp);
1662 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001663 }
1664
1665 return 0;
1666}
1667
1668#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001669 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001670 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1671 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001672
1673#define ETHTOOL_ALL_COPPER_SPEED \
1674 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1675 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1676 ADVERTISED_1000baseT_Full)
1677
1678#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1679 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001680
Michael Chanb6016b72005-05-26 13:03:09 -07001681#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1682
Michael Chandeaf3912007-07-07 22:48:00 -07001683static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001684bnx2_set_default_remote_link(struct bnx2 *bp)
1685{
1686 u32 link;
1687
1688 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001689 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001690 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001691 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001692
1693 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1694 bp->req_line_speed = 0;
1695 bp->autoneg |= AUTONEG_SPEED;
1696 bp->advertising = ADVERTISED_Autoneg;
1697 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1698 bp->advertising |= ADVERTISED_10baseT_Half;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1700 bp->advertising |= ADVERTISED_10baseT_Full;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1702 bp->advertising |= ADVERTISED_100baseT_Half;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1704 bp->advertising |= ADVERTISED_100baseT_Full;
1705 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1706 bp->advertising |= ADVERTISED_1000baseT_Full;
1707 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1708 bp->advertising |= ADVERTISED_2500baseX_Full;
1709 } else {
1710 bp->autoneg = 0;
1711 bp->advertising = 0;
1712 bp->req_duplex = DUPLEX_FULL;
1713 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1714 bp->req_line_speed = SPEED_10;
1715 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1716 bp->req_duplex = DUPLEX_HALF;
1717 }
1718 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1719 bp->req_line_speed = SPEED_100;
1720 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1721 bp->req_duplex = DUPLEX_HALF;
1722 }
1723 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1724 bp->req_line_speed = SPEED_1000;
1725 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1726 bp->req_line_speed = SPEED_2500;
1727 }
1728}
1729
1730static void
Michael Chandeaf3912007-07-07 22:48:00 -07001731bnx2_set_default_link(struct bnx2 *bp)
1732{
Harvey Harrisonab598592008-05-01 02:47:38 -07001733 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1734 bnx2_set_default_remote_link(bp);
1735 return;
1736 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001737
Michael Chandeaf3912007-07-07 22:48:00 -07001738 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1739 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001740 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001741 u32 reg;
1742
1743 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1744
Michael Chan2726d6e2008-01-29 21:35:05 -08001745 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001746 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1747 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1748 bp->autoneg = 0;
1749 bp->req_line_speed = bp->line_speed = SPEED_1000;
1750 bp->req_duplex = DUPLEX_FULL;
1751 }
1752 } else
1753 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1754}
1755
Michael Chan0d8a6572007-07-07 22:49:43 -07001756static void
Michael Chandf149d72007-07-07 22:51:36 -07001757bnx2_send_heart_beat(struct bnx2 *bp)
1758{
1759 u32 msg;
1760 u32 addr;
1761
1762 spin_lock(&bp->indirect_lock);
1763 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1764 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1765 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1766 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1767 spin_unlock(&bp->indirect_lock);
1768}
1769
1770static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001771bnx2_remote_phy_event(struct bnx2 *bp)
1772{
1773 u32 msg;
1774 u8 link_up = bp->link_up;
1775 u8 old_port;
1776
Michael Chan2726d6e2008-01-29 21:35:05 -08001777 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001778
Michael Chandf149d72007-07-07 22:51:36 -07001779 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1780 bnx2_send_heart_beat(bp);
1781
1782 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1783
Michael Chan0d8a6572007-07-07 22:49:43 -07001784 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1785 bp->link_up = 0;
1786 else {
1787 u32 speed;
1788
1789 bp->link_up = 1;
1790 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1791 bp->duplex = DUPLEX_FULL;
1792 switch (speed) {
1793 case BNX2_LINK_STATUS_10HALF:
1794 bp->duplex = DUPLEX_HALF;
1795 case BNX2_LINK_STATUS_10FULL:
1796 bp->line_speed = SPEED_10;
1797 break;
1798 case BNX2_LINK_STATUS_100HALF:
1799 bp->duplex = DUPLEX_HALF;
1800 case BNX2_LINK_STATUS_100BASE_T4:
1801 case BNX2_LINK_STATUS_100FULL:
1802 bp->line_speed = SPEED_100;
1803 break;
1804 case BNX2_LINK_STATUS_1000HALF:
1805 bp->duplex = DUPLEX_HALF;
1806 case BNX2_LINK_STATUS_1000FULL:
1807 bp->line_speed = SPEED_1000;
1808 break;
1809 case BNX2_LINK_STATUS_2500HALF:
1810 bp->duplex = DUPLEX_HALF;
1811 case BNX2_LINK_STATUS_2500FULL:
1812 bp->line_speed = SPEED_2500;
1813 break;
1814 default:
1815 bp->line_speed = 0;
1816 break;
1817 }
1818
Michael Chan0d8a6572007-07-07 22:49:43 -07001819 bp->flow_ctrl = 0;
1820 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1821 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1822 if (bp->duplex == DUPLEX_FULL)
1823 bp->flow_ctrl = bp->req_flow_ctrl;
1824 } else {
1825 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1826 bp->flow_ctrl |= FLOW_CTRL_TX;
1827 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1828 bp->flow_ctrl |= FLOW_CTRL_RX;
1829 }
1830
1831 old_port = bp->phy_port;
1832 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1833 bp->phy_port = PORT_FIBRE;
1834 else
1835 bp->phy_port = PORT_TP;
1836
1837 if (old_port != bp->phy_port)
1838 bnx2_set_default_link(bp);
1839
Michael Chan0d8a6572007-07-07 22:49:43 -07001840 }
1841 if (bp->link_up != link_up)
1842 bnx2_report_link(bp);
1843
1844 bnx2_set_mac_link(bp);
1845}
1846
1847static int
1848bnx2_set_remote_link(struct bnx2 *bp)
1849{
1850 u32 evt_code;
1851
Michael Chan2726d6e2008-01-29 21:35:05 -08001852 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07001853 switch (evt_code) {
1854 case BNX2_FW_EVT_CODE_LINK_EVENT:
1855 bnx2_remote_phy_event(bp);
1856 break;
1857 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1858 default:
Michael Chandf149d72007-07-07 22:51:36 -07001859 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07001860 break;
1861 }
1862 return 0;
1863}
1864
Michael Chanb6016b72005-05-26 13:03:09 -07001865static int
1866bnx2_setup_copper_phy(struct bnx2 *bp)
1867{
1868 u32 bmcr;
1869 u32 new_bmcr;
1870
Michael Chanca58c3a2007-05-03 13:22:52 -07001871 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001872
1873 if (bp->autoneg & AUTONEG_SPEED) {
1874 u32 adv_reg, adv1000_reg;
1875 u32 new_adv_reg = 0;
1876 u32 new_adv1000_reg = 0;
1877
Michael Chanca58c3a2007-05-03 13:22:52 -07001878 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001879 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1880 ADVERTISE_PAUSE_ASYM);
1881
1882 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1883 adv1000_reg &= PHY_ALL_1000_SPEED;
1884
1885 if (bp->advertising & ADVERTISED_10baseT_Half)
1886 new_adv_reg |= ADVERTISE_10HALF;
1887 if (bp->advertising & ADVERTISED_10baseT_Full)
1888 new_adv_reg |= ADVERTISE_10FULL;
1889 if (bp->advertising & ADVERTISED_100baseT_Half)
1890 new_adv_reg |= ADVERTISE_100HALF;
1891 if (bp->advertising & ADVERTISED_100baseT_Full)
1892 new_adv_reg |= ADVERTISE_100FULL;
1893 if (bp->advertising & ADVERTISED_1000baseT_Full)
1894 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001895
Michael Chanb6016b72005-05-26 13:03:09 -07001896 new_adv_reg |= ADVERTISE_CSMA;
1897
1898 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1899
1900 if ((adv1000_reg != new_adv1000_reg) ||
1901 (adv_reg != new_adv_reg) ||
1902 ((bmcr & BMCR_ANENABLE) == 0)) {
1903
Michael Chanca58c3a2007-05-03 13:22:52 -07001904 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001905 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07001906 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001907 BMCR_ANENABLE);
1908 }
1909 else if (bp->link_up) {
1910 /* Flow ctrl may have changed from auto to forced */
1911 /* or vice-versa. */
1912
1913 bnx2_resolve_flow_ctrl(bp);
1914 bnx2_set_mac_link(bp);
1915 }
1916 return 0;
1917 }
1918
1919 new_bmcr = 0;
1920 if (bp->req_line_speed == SPEED_100) {
1921 new_bmcr |= BMCR_SPEED100;
1922 }
1923 if (bp->req_duplex == DUPLEX_FULL) {
1924 new_bmcr |= BMCR_FULLDPLX;
1925 }
1926 if (new_bmcr != bmcr) {
1927 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07001928
Michael Chanca58c3a2007-05-03 13:22:52 -07001929 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1930 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001931
Michael Chanb6016b72005-05-26 13:03:09 -07001932 if (bmsr & BMSR_LSTATUS) {
1933 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07001934 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08001935 spin_unlock_bh(&bp->phy_lock);
1936 msleep(50);
1937 spin_lock_bh(&bp->phy_lock);
1938
Michael Chanca58c3a2007-05-03 13:22:52 -07001939 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1940 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07001941 }
1942
Michael Chanca58c3a2007-05-03 13:22:52 -07001943 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001944
1945 /* Normally, the new speed is setup after the link has
1946 * gone down and up again. In some cases, link will not go
1947 * down so we need to set up the new speed here.
1948 */
1949 if (bmsr & BMSR_LSTATUS) {
1950 bp->line_speed = bp->req_line_speed;
1951 bp->duplex = bp->req_duplex;
1952 bnx2_resolve_flow_ctrl(bp);
1953 bnx2_set_mac_link(bp);
1954 }
Michael Chan27a005b2007-05-03 13:23:41 -07001955 } else {
1956 bnx2_resolve_flow_ctrl(bp);
1957 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001958 }
1959 return 0;
1960}
1961
1962static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001963bnx2_setup_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001964{
1965 if (bp->loopback == MAC_LOOPBACK)
1966 return 0;
1967
Michael Chan583c28e2008-01-21 19:51:35 -08001968 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07001969 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07001970 }
1971 else {
1972 return (bnx2_setup_copper_phy(bp));
1973 }
1974}
1975
1976static int
Michael Chan9a120bc2008-05-16 22:17:45 -07001977bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07001978{
1979 u32 val;
1980
1981 bp->mii_bmcr = MII_BMCR + 0x10;
1982 bp->mii_bmsr = MII_BMSR + 0x10;
1983 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1984 bp->mii_adv = MII_ADVERTISE + 0x10;
1985 bp->mii_lpa = MII_LPA + 0x10;
1986 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1987
1988 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1989 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1990
1991 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07001992 if (reset_phy)
1993 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001994
1995 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1996
1997 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1998 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1999 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2000 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2001
2002 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2003 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002004 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002005 val |= BCM5708S_UP1_2G5;
2006 else
2007 val &= ~BCM5708S_UP1_2G5;
2008 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2009
2010 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2011 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2012 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2013 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2014
2015 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2016
2017 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2018 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2019 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2020
2021 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2022
2023 return 0;
2024}
2025
2026static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002027bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002028{
2029 u32 val;
2030
Michael Chan9a120bc2008-05-16 22:17:45 -07002031 if (reset_phy)
2032 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002033
2034 bp->mii_up1 = BCM5708S_UP1;
2035
Michael Chan5b0c76a2005-11-04 08:45:49 -08002036 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2037 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2038 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2039
2040 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2041 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2042 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2043
2044 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2045 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2046 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2047
Michael Chan583c28e2008-01-21 19:51:35 -08002048 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002049 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2050 val |= BCM5708S_UP1_2G5;
2051 bnx2_write_phy(bp, BCM5708S_UP1, val);
2052 }
2053
2054 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002055 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2056 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002057 /* increase tx signal amplitude */
2058 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2059 BCM5708S_BLK_ADDR_TX_MISC);
2060 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2061 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2062 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2063 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2064 }
2065
Michael Chan2726d6e2008-01-29 21:35:05 -08002066 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002067 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2068
2069 if (val) {
2070 u32 is_backplane;
2071
Michael Chan2726d6e2008-01-29 21:35:05 -08002072 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002073 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2074 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2075 BCM5708S_BLK_ADDR_TX_MISC);
2076 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2077 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2078 BCM5708S_BLK_ADDR_DIG);
2079 }
2080 }
2081 return 0;
2082}
2083
2084static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002085bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002086{
Michael Chan9a120bc2008-05-16 22:17:45 -07002087 if (reset_phy)
2088 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002089
Michael Chan583c28e2008-01-21 19:51:35 -08002090 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002091
Michael Chan59b47d82006-11-19 14:10:45 -08002092 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2093 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002094
2095 if (bp->dev->mtu > 1500) {
2096 u32 val;
2097
2098 /* Set extended packet length bit */
2099 bnx2_write_phy(bp, 0x18, 0x7);
2100 bnx2_read_phy(bp, 0x18, &val);
2101 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2102
2103 bnx2_write_phy(bp, 0x1c, 0x6c00);
2104 bnx2_read_phy(bp, 0x1c, &val);
2105 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2106 }
2107 else {
2108 u32 val;
2109
2110 bnx2_write_phy(bp, 0x18, 0x7);
2111 bnx2_read_phy(bp, 0x18, &val);
2112 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2113
2114 bnx2_write_phy(bp, 0x1c, 0x6c00);
2115 bnx2_read_phy(bp, 0x1c, &val);
2116 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2117 }
2118
2119 return 0;
2120}
2121
2122static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002123bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002124{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002125 u32 val;
2126
Michael Chan9a120bc2008-05-16 22:17:45 -07002127 if (reset_phy)
2128 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002129
Michael Chan583c28e2008-01-21 19:51:35 -08002130 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002131 bnx2_write_phy(bp, 0x18, 0x0c00);
2132 bnx2_write_phy(bp, 0x17, 0x000a);
2133 bnx2_write_phy(bp, 0x15, 0x310b);
2134 bnx2_write_phy(bp, 0x17, 0x201f);
2135 bnx2_write_phy(bp, 0x15, 0x9506);
2136 bnx2_write_phy(bp, 0x17, 0x401f);
2137 bnx2_write_phy(bp, 0x15, 0x14e2);
2138 bnx2_write_phy(bp, 0x18, 0x0400);
2139 }
2140
Michael Chan583c28e2008-01-21 19:51:35 -08002141 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002142 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2143 MII_BNX2_DSP_EXPAND_REG | 0x8);
2144 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2145 val &= ~(1 << 8);
2146 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2147 }
2148
Michael Chanb6016b72005-05-26 13:03:09 -07002149 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002150 /* Set extended packet length bit */
2151 bnx2_write_phy(bp, 0x18, 0x7);
2152 bnx2_read_phy(bp, 0x18, &val);
2153 bnx2_write_phy(bp, 0x18, val | 0x4000);
2154
2155 bnx2_read_phy(bp, 0x10, &val);
2156 bnx2_write_phy(bp, 0x10, val | 0x1);
2157 }
2158 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002159 bnx2_write_phy(bp, 0x18, 0x7);
2160 bnx2_read_phy(bp, 0x18, &val);
2161 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2162
2163 bnx2_read_phy(bp, 0x10, &val);
2164 bnx2_write_phy(bp, 0x10, val & ~0x1);
2165 }
2166
Michael Chan5b0c76a2005-11-04 08:45:49 -08002167 /* ethernet@wirespeed */
2168 bnx2_write_phy(bp, 0x18, 0x7007);
2169 bnx2_read_phy(bp, 0x18, &val);
2170 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002171 return 0;
2172}
2173
2174
2175static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002176bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002177{
2178 u32 val;
2179 int rc = 0;
2180
Michael Chan583c28e2008-01-21 19:51:35 -08002181 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2182 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002183
Michael Chanca58c3a2007-05-03 13:22:52 -07002184 bp->mii_bmcr = MII_BMCR;
2185 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002186 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002187 bp->mii_adv = MII_ADVERTISE;
2188 bp->mii_lpa = MII_LPA;
2189
Michael Chanb6016b72005-05-26 13:03:09 -07002190 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2191
Michael Chan583c28e2008-01-21 19:51:35 -08002192 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002193 goto setup_phy;
2194
Michael Chanb6016b72005-05-26 13:03:09 -07002195 bnx2_read_phy(bp, MII_PHYSID1, &val);
2196 bp->phy_id = val << 16;
2197 bnx2_read_phy(bp, MII_PHYSID2, &val);
2198 bp->phy_id |= val & 0xffff;
2199
Michael Chan583c28e2008-01-21 19:51:35 -08002200 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002201 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002202 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002203 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002204 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002205 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002206 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002207 }
2208 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002209 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002210 }
2211
Michael Chan0d8a6572007-07-07 22:49:43 -07002212setup_phy:
2213 if (!rc)
2214 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002215
2216 return rc;
2217}
2218
2219static int
2220bnx2_set_mac_loopback(struct bnx2 *bp)
2221{
2222 u32 mac_mode;
2223
2224 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2225 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2226 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2227 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2228 bp->link_up = 1;
2229 return 0;
2230}
2231
Michael Chanbc5a0692006-01-23 16:13:22 -08002232static int bnx2_test_link(struct bnx2 *);
2233
2234static int
2235bnx2_set_phy_loopback(struct bnx2 *bp)
2236{
2237 u32 mac_mode;
2238 int rc, i;
2239
2240 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002241 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002242 BMCR_SPEED1000);
2243 spin_unlock_bh(&bp->phy_lock);
2244 if (rc)
2245 return rc;
2246
2247 for (i = 0; i < 10; i++) {
2248 if (bnx2_test_link(bp) == 0)
2249 break;
Michael Chan80be4432006-11-19 14:07:28 -08002250 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002251 }
2252
2253 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2254 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2255 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002256 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002257
2258 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2259 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2260 bp->link_up = 1;
2261 return 0;
2262}
2263
Michael Chanb6016b72005-05-26 13:03:09 -07002264static int
Michael Chana2f13892008-07-14 22:38:23 -07002265bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002266{
2267 int i;
2268 u32 val;
2269
Michael Chanb6016b72005-05-26 13:03:09 -07002270 bp->fw_wr_seq++;
2271 msg_data |= bp->fw_wr_seq;
2272
Michael Chan2726d6e2008-01-29 21:35:05 -08002273 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002274
Michael Chana2f13892008-07-14 22:38:23 -07002275 if (!ack)
2276 return 0;
2277
Michael Chanb6016b72005-05-26 13:03:09 -07002278 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002279 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2280 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002281
Michael Chan2726d6e2008-01-29 21:35:05 -08002282 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002283
2284 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2285 break;
2286 }
Michael Chanb090ae22006-01-23 16:07:10 -08002287 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2288 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002289
2290 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002291 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2292 if (!silent)
2293 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2294 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002295
2296 msg_data &= ~BNX2_DRV_MSG_CODE;
2297 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2298
Michael Chan2726d6e2008-01-29 21:35:05 -08002299 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002300
Michael Chanb6016b72005-05-26 13:03:09 -07002301 return -EBUSY;
2302 }
2303
Michael Chanb090ae22006-01-23 16:07:10 -08002304 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2305 return -EIO;
2306
Michael Chanb6016b72005-05-26 13:03:09 -07002307 return 0;
2308}
2309
Michael Chan59b47d82006-11-19 14:10:45 -08002310static int
2311bnx2_init_5709_context(struct bnx2 *bp)
2312{
2313 int i, ret = 0;
2314 u32 val;
2315
2316 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2317 val |= (BCM_PAGE_BITS - 8) << 16;
2318 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002319 for (i = 0; i < 10; i++) {
2320 val = REG_RD(bp, BNX2_CTX_COMMAND);
2321 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2322 break;
2323 udelay(2);
2324 }
2325 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2326 return -EBUSY;
2327
Michael Chan59b47d82006-11-19 14:10:45 -08002328 for (i = 0; i < bp->ctx_pages; i++) {
2329 int j;
2330
Michael Chan352f7682008-05-02 16:57:26 -07002331 if (bp->ctx_blk[i])
2332 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2333 else
2334 return -ENOMEM;
2335
Michael Chan59b47d82006-11-19 14:10:45 -08002336 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2337 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2338 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2339 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2340 (u64) bp->ctx_blk_mapping[i] >> 32);
2341 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2342 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2343 for (j = 0; j < 10; j++) {
2344
2345 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2346 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2347 break;
2348 udelay(5);
2349 }
2350 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2351 ret = -EBUSY;
2352 break;
2353 }
2354 }
2355 return ret;
2356}
2357
Michael Chanb6016b72005-05-26 13:03:09 -07002358static void
2359bnx2_init_context(struct bnx2 *bp)
2360{
2361 u32 vcid;
2362
2363 vcid = 96;
2364 while (vcid) {
2365 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002366 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002367
2368 vcid--;
2369
2370 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2371 u32 new_vcid;
2372
2373 vcid_addr = GET_PCID_ADDR(vcid);
2374 if (vcid & 0x8) {
2375 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2376 }
2377 else {
2378 new_vcid = vcid;
2379 }
2380 pcid_addr = GET_PCID_ADDR(new_vcid);
2381 }
2382 else {
2383 vcid_addr = GET_CID_ADDR(vcid);
2384 pcid_addr = vcid_addr;
2385 }
2386
Michael Chan7947b202007-06-04 21:17:10 -07002387 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2388 vcid_addr += (i << PHY_CTX_SHIFT);
2389 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002390
Michael Chan5d5d0012007-12-12 11:17:43 -08002391 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002392 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2393
2394 /* Zero out the context. */
2395 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002396 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002397 }
Michael Chanb6016b72005-05-26 13:03:09 -07002398 }
2399}
2400
2401static int
2402bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2403{
2404 u16 *good_mbuf;
2405 u32 good_mbuf_cnt;
2406 u32 val;
2407
2408 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2409 if (good_mbuf == NULL) {
2410 printk(KERN_ERR PFX "Failed to allocate memory in "
2411 "bnx2_alloc_bad_rbuf\n");
2412 return -ENOMEM;
2413 }
2414
2415 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2416 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2417
2418 good_mbuf_cnt = 0;
2419
2420 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002421 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002422 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002423 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2424 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002425
Michael Chan2726d6e2008-01-29 21:35:05 -08002426 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002427
2428 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2429
2430 /* The addresses with Bit 9 set are bad memory blocks. */
2431 if (!(val & (1 << 9))) {
2432 good_mbuf[good_mbuf_cnt] = (u16) val;
2433 good_mbuf_cnt++;
2434 }
2435
Michael Chan2726d6e2008-01-29 21:35:05 -08002436 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002437 }
2438
2439 /* Free the good ones back to the mbuf pool thus discarding
2440 * all the bad ones. */
2441 while (good_mbuf_cnt) {
2442 good_mbuf_cnt--;
2443
2444 val = good_mbuf[good_mbuf_cnt];
2445 val = (val << 9) | val | 1;
2446
Michael Chan2726d6e2008-01-29 21:35:05 -08002447 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002448 }
2449 kfree(good_mbuf);
2450 return 0;
2451}
2452
2453static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002454bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002455{
2456 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002457
2458 val = (mac_addr[0] << 8) | mac_addr[1];
2459
Benjamin Li5fcaed02008-07-14 22:39:52 -07002460 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002461
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002462 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002463 (mac_addr[4] << 8) | mac_addr[5];
2464
Benjamin Li5fcaed02008-07-14 22:39:52 -07002465 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002466}
2467
2468static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002469bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002470{
2471 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002472 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002473 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002474 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002475 struct page *page = alloc_page(GFP_ATOMIC);
2476
2477 if (!page)
2478 return -ENOMEM;
2479 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2480 PCI_DMA_FROMDEVICE);
2481 rx_pg->page = page;
2482 pci_unmap_addr_set(rx_pg, mapping, mapping);
2483 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2484 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2485 return 0;
2486}
2487
2488static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002489bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002490{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002491 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002492 struct page *page = rx_pg->page;
2493
2494 if (!page)
2495 return;
2496
2497 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2498 PCI_DMA_FROMDEVICE);
2499
2500 __free_page(page);
2501 rx_pg->page = NULL;
2502}
2503
2504static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002505bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002506{
2507 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002508 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002509 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002510 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002511 unsigned long align;
2512
Michael Chan932f3772006-08-15 01:39:36 -07002513 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002514 if (skb == NULL) {
2515 return -ENOMEM;
2516 }
2517
Michael Chan59b47d82006-11-19 14:10:45 -08002518 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2519 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002520
Michael Chanb6016b72005-05-26 13:03:09 -07002521 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2522 PCI_DMA_FROMDEVICE);
2523
2524 rx_buf->skb = skb;
2525 pci_unmap_addr_set(rx_buf, mapping, mapping);
2526
2527 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2528 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2529
Michael Chanbb4f98a2008-06-19 16:38:19 -07002530 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002531
2532 return 0;
2533}
2534
Michael Chanda3e4fb2007-05-03 13:24:23 -07002535static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002536bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002537{
Michael Chan43e80b82008-06-19 16:41:08 -07002538 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002539 u32 new_link_state, old_link_state;
2540 int is_set = 1;
2541
2542 new_link_state = sblk->status_attn_bits & event;
2543 old_link_state = sblk->status_attn_bits_ack & event;
2544 if (new_link_state != old_link_state) {
2545 if (new_link_state)
2546 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2547 else
2548 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2549 } else
2550 is_set = 0;
2551
2552 return is_set;
2553}
2554
Michael Chanb6016b72005-05-26 13:03:09 -07002555static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002556bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002557{
Michael Chan74ecc622008-05-02 16:56:16 -07002558 spin_lock(&bp->phy_lock);
2559
2560 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002561 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002562 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002563 bnx2_set_remote_link(bp);
2564
Michael Chan74ecc622008-05-02 16:56:16 -07002565 spin_unlock(&bp->phy_lock);
2566
Michael Chanb6016b72005-05-26 13:03:09 -07002567}
2568
Michael Chanead72702007-12-20 19:55:39 -08002569static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002570bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002571{
2572 u16 cons;
2573
Michael Chan43e80b82008-06-19 16:41:08 -07002574 /* Tell compiler that status block fields can change. */
2575 barrier();
2576 cons = *bnapi->hw_tx_cons_ptr;
Michael Chanead72702007-12-20 19:55:39 -08002577 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2578 cons++;
2579 return cons;
2580}
2581
Michael Chan57851d82007-12-20 20:01:44 -08002582static int
2583bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002584{
Michael Chan35e90102008-06-19 16:37:42 -07002585 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002586 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002587 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002588
Michael Chan35efa7c2007-12-20 19:56:37 -08002589 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002590 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002591
2592 while (sw_cons != hw_cons) {
2593 struct sw_bd *tx_buf;
2594 struct sk_buff *skb;
2595 int i, last;
2596
2597 sw_ring_cons = TX_RING_IDX(sw_cons);
2598
Michael Chan35e90102008-06-19 16:37:42 -07002599 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002600 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002601
Michael Chanb6016b72005-05-26 13:03:09 -07002602 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002603 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002604 u16 last_idx, last_ring_idx;
2605
2606 last_idx = sw_cons +
2607 skb_shinfo(skb)->nr_frags + 1;
2608 last_ring_idx = sw_ring_cons +
2609 skb_shinfo(skb)->nr_frags + 1;
2610 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2611 last_idx++;
2612 }
2613 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2614 break;
2615 }
2616 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002617
Michael Chanb6016b72005-05-26 13:03:09 -07002618 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2619 skb_headlen(skb), PCI_DMA_TODEVICE);
2620
2621 tx_buf->skb = NULL;
2622 last = skb_shinfo(skb)->nr_frags;
2623
2624 for (i = 0; i < last; i++) {
2625 sw_cons = NEXT_TX_BD(sw_cons);
2626
2627 pci_unmap_page(bp->pdev,
2628 pci_unmap_addr(
Michael Chan35e90102008-06-19 16:37:42 -07002629 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
Michael Chanb6016b72005-05-26 13:03:09 -07002630 mapping),
2631 skb_shinfo(skb)->frags[i].size,
2632 PCI_DMA_TODEVICE);
2633 }
2634
2635 sw_cons = NEXT_TX_BD(sw_cons);
2636
Michael Chan745720e2006-06-29 12:37:41 -07002637 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002638 tx_pkt++;
2639 if (tx_pkt == budget)
2640 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002641
Michael Chan35efa7c2007-12-20 19:56:37 -08002642 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002643 }
2644
Michael Chan35e90102008-06-19 16:37:42 -07002645 txr->hw_tx_cons = hw_cons;
2646 txr->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002647 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2648 * before checking for netif_queue_stopped(). Without the
2649 * memory barrier, there is a small possibility that bnx2_start_xmit()
2650 * will miss it and cause the queue to be stopped forever.
2651 */
2652 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002653
Michael Chan2f8af122006-08-15 01:39:10 -07002654 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002655 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002656 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002657 if ((netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002658 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002659 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002660 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002661 }
Michael Chan57851d82007-12-20 20:01:44 -08002662 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002663}
2664
Michael Chan1db82f22007-12-12 11:19:35 -08002665static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002666bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002667 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002668{
2669 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2670 struct rx_bd *cons_bd, *prod_bd;
2671 dma_addr_t mapping;
2672 int i;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002673 u16 hw_prod = rxr->rx_pg_prod, prod;
2674 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002675
2676 for (i = 0; i < count; i++) {
2677 prod = RX_PG_RING_IDX(hw_prod);
2678
Michael Chanbb4f98a2008-06-19 16:38:19 -07002679 prod_rx_pg = &rxr->rx_pg_ring[prod];
2680 cons_rx_pg = &rxr->rx_pg_ring[cons];
2681 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2682 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002683
2684 if (i == 0 && skb) {
2685 struct page *page;
2686 struct skb_shared_info *shinfo;
2687
2688 shinfo = skb_shinfo(skb);
2689 shinfo->nr_frags--;
2690 page = shinfo->frags[shinfo->nr_frags].page;
2691 shinfo->frags[shinfo->nr_frags].page = NULL;
2692 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2693 PCI_DMA_FROMDEVICE);
2694 cons_rx_pg->page = page;
2695 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2696 dev_kfree_skb(skb);
2697 }
2698 if (prod != cons) {
2699 prod_rx_pg->page = cons_rx_pg->page;
2700 cons_rx_pg->page = NULL;
2701 pci_unmap_addr_set(prod_rx_pg, mapping,
2702 pci_unmap_addr(cons_rx_pg, mapping));
2703
2704 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2705 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2706
2707 }
2708 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2709 hw_prod = NEXT_RX_BD(hw_prod);
2710 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002711 rxr->rx_pg_prod = hw_prod;
2712 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002713}
2714
Michael Chanb6016b72005-05-26 13:03:09 -07002715static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002716bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2717 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002718{
Michael Chan236b6392006-03-20 17:49:02 -08002719 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2720 struct rx_bd *cons_bd, *prod_bd;
2721
Michael Chanbb4f98a2008-06-19 16:38:19 -07002722 cons_rx_buf = &rxr->rx_buf_ring[cons];
2723 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002724
2725 pci_dma_sync_single_for_device(bp->pdev,
2726 pci_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002727 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002728
Michael Chanbb4f98a2008-06-19 16:38:19 -07002729 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002730
2731 prod_rx_buf->skb = skb;
2732
2733 if (cons == prod)
2734 return;
2735
Michael Chanb6016b72005-05-26 13:03:09 -07002736 pci_unmap_addr_set(prod_rx_buf, mapping,
2737 pci_unmap_addr(cons_rx_buf, mapping));
2738
Michael Chanbb4f98a2008-06-19 16:38:19 -07002739 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2740 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002741 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2742 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002743}
2744
Michael Chan85833c62007-12-12 11:17:01 -08002745static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002746bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002747 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2748 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002749{
2750 int err;
2751 u16 prod = ring_idx & 0xffff;
2752
Michael Chanbb4f98a2008-06-19 16:38:19 -07002753 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002754 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002755 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002756 if (hdr_len) {
2757 unsigned int raw_len = len + 4;
2758 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2759
Michael Chanbb4f98a2008-06-19 16:38:19 -07002760 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002761 }
Michael Chan85833c62007-12-12 11:17:01 -08002762 return err;
2763 }
2764
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002765 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002766 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2767 PCI_DMA_FROMDEVICE);
2768
Michael Chan1db82f22007-12-12 11:19:35 -08002769 if (hdr_len == 0) {
2770 skb_put(skb, len);
2771 return 0;
2772 } else {
2773 unsigned int i, frag_len, frag_size, pages;
2774 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002775 u16 pg_cons = rxr->rx_pg_cons;
2776 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002777
2778 frag_size = len + 4 - hdr_len;
2779 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2780 skb_put(skb, hdr_len);
2781
2782 for (i = 0; i < pages; i++) {
2783 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2784 if (unlikely(frag_len <= 4)) {
2785 unsigned int tail = 4 - frag_len;
2786
Michael Chanbb4f98a2008-06-19 16:38:19 -07002787 rxr->rx_pg_cons = pg_cons;
2788 rxr->rx_pg_prod = pg_prod;
2789 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08002790 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002791 skb->len -= tail;
2792 if (i == 0) {
2793 skb->tail -= tail;
2794 } else {
2795 skb_frag_t *frag =
2796 &skb_shinfo(skb)->frags[i - 1];
2797 frag->size -= tail;
2798 skb->data_len -= tail;
2799 skb->truesize -= tail;
2800 }
2801 return 0;
2802 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002803 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08002804
2805 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2806 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2807
2808 if (i == pages - 1)
2809 frag_len -= 4;
2810
2811 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2812 rx_pg->page = NULL;
2813
Michael Chanbb4f98a2008-06-19 16:38:19 -07002814 err = bnx2_alloc_rx_page(bp, rxr,
2815 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08002816 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002817 rxr->rx_pg_cons = pg_cons;
2818 rxr->rx_pg_prod = pg_prod;
2819 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08002820 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002821 return err;
2822 }
2823
2824 frag_size -= frag_len;
2825 skb->data_len += frag_len;
2826 skb->truesize += frag_len;
2827 skb->len += frag_len;
2828
2829 pg_prod = NEXT_RX_BD(pg_prod);
2830 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2831 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002832 rxr->rx_pg_prod = pg_prod;
2833 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002834 }
Michael Chan85833c62007-12-12 11:17:01 -08002835 return 0;
2836}
2837
Michael Chanc09c2622007-12-10 17:18:37 -08002838static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002839bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002840{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002841 u16 cons;
2842
Michael Chan43e80b82008-06-19 16:41:08 -07002843 /* Tell compiler that status block fields can change. */
2844 barrier();
2845 cons = *bnapi->hw_rx_cons_ptr;
Michael Chanc09c2622007-12-10 17:18:37 -08002846 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2847 cons++;
2848 return cons;
2849}
2850
Michael Chanb6016b72005-05-26 13:03:09 -07002851static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002852bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002853{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002854 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002855 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2856 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002857 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002858
Michael Chan35efa7c2007-12-20 19:56:37 -08002859 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07002860 sw_cons = rxr->rx_cons;
2861 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002862
2863 /* Memory barrier necessary as speculative reads of the rx
2864 * buffer can be ahead of the index in the status block
2865 */
2866 rmb();
2867 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002868 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002869 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002870 struct sw_bd *rx_buf;
2871 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002872 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002873
2874 sw_ring_cons = RX_RING_IDX(sw_cons);
2875 sw_ring_prod = RX_RING_IDX(sw_prod);
2876
Michael Chanbb4f98a2008-06-19 16:38:19 -07002877 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002878 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002879
2880 rx_buf->skb = NULL;
2881
2882 dma_addr = pci_unmap_addr(rx_buf, mapping);
2883
2884 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07002885 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2886 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002887
2888 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002889 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002890
Michael Chanade2bfe2006-01-23 16:09:51 -08002891 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002892 (L2_FHDR_ERRORS_BAD_CRC |
2893 L2_FHDR_ERRORS_PHY_DECODE |
2894 L2_FHDR_ERRORS_ALIGNMENT |
2895 L2_FHDR_ERRORS_TOO_SHORT |
2896 L2_FHDR_ERRORS_GIANT_FRAME)) {
2897
Michael Chanbb4f98a2008-06-19 16:38:19 -07002898 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chana1f60192007-12-20 19:57:19 -08002899 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002900 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002901 }
Michael Chan1db82f22007-12-12 11:19:35 -08002902 hdr_len = 0;
2903 if (status & L2_FHDR_STATUS_SPLIT) {
2904 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2905 pg_ring_used = 1;
2906 } else if (len > bp->rx_jumbo_thresh) {
2907 hdr_len = bp->rx_jumbo_thresh;
2908 pg_ring_used = 1;
2909 }
2910
2911 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002912
Michael Chan5d5d0012007-12-12 11:17:43 -08002913 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002914 struct sk_buff *new_skb;
2915
Michael Chan932f3772006-08-15 01:39:36 -07002916 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002917 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002918 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002919 sw_ring_prod);
2920 goto next_rx;
2921 }
Michael Chanb6016b72005-05-26 13:03:09 -07002922
2923 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002924 skb_copy_from_linear_data_offset(skb,
2925 BNX2_RX_OFFSET - 2,
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002926 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002927 skb_reserve(new_skb, 2);
2928 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002929
Michael Chanbb4f98a2008-06-19 16:38:19 -07002930 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002931 sw_ring_cons, sw_ring_prod);
2932
2933 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002934 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08002935 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002936 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002937
2938 skb->protocol = eth_type_trans(skb, bp->dev);
2939
2940 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002941 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002942
Michael Chan745720e2006-06-29 12:37:41 -07002943 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002944 goto next_rx;
2945
2946 }
2947
Michael Chanb6016b72005-05-26 13:03:09 -07002948 skb->ip_summed = CHECKSUM_NONE;
2949 if (bp->rx_csum &&
2950 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2951 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2952
Michael Chanade2bfe2006-01-23 16:09:51 -08002953 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2954 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002955 skb->ip_summed = CHECKSUM_UNNECESSARY;
2956 }
2957
2958#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002959 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002960 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2961 rx_hdr->l2_fhdr_vlan_tag);
2962 }
2963 else
2964#endif
2965 netif_receive_skb(skb);
2966
2967 bp->dev->last_rx = jiffies;
2968 rx_pkt++;
2969
2970next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002971 sw_cons = NEXT_RX_BD(sw_cons);
2972 sw_prod = NEXT_RX_BD(sw_prod);
2973
2974 if ((rx_pkt == budget))
2975 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002976
2977 /* Refresh hw_cons to see if there is new work */
2978 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002979 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002980 rmb();
2981 }
Michael Chanb6016b72005-05-26 13:03:09 -07002982 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002983 rxr->rx_cons = sw_cons;
2984 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002985
Michael Chan1db82f22007-12-12 11:19:35 -08002986 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07002987 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002988
Michael Chanbb4f98a2008-06-19 16:38:19 -07002989 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07002990
Michael Chanbb4f98a2008-06-19 16:38:19 -07002991 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002992
2993 mmiowb();
2994
2995 return rx_pkt;
2996
2997}
2998
2999/* MSI ISR - The only difference between this and the INTx ISR
3000 * is that the MSI interrupt is always serviced.
3001 */
3002static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003003bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003004{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003005 struct bnx2_napi *bnapi = dev_instance;
3006 struct bnx2 *bp = bnapi->bp;
3007 struct net_device *dev = bp->dev;
Michael Chanb6016b72005-05-26 13:03:09 -07003008
Michael Chan43e80b82008-06-19 16:41:08 -07003009 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003010 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3011 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3012 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3013
3014 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003015 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3016 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003017
Michael Chan35efa7c2007-12-20 19:56:37 -08003018 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003019
Michael Chan73eef4c2005-08-25 15:39:15 -07003020 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003021}
3022
3023static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003024bnx2_msi_1shot(int irq, void *dev_instance)
3025{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003026 struct bnx2_napi *bnapi = dev_instance;
3027 struct bnx2 *bp = bnapi->bp;
3028 struct net_device *dev = bp->dev;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003029
Michael Chan43e80b82008-06-19 16:41:08 -07003030 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003031
3032 /* Return here if interrupt is disabled. */
3033 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3034 return IRQ_HANDLED;
3035
Michael Chan35efa7c2007-12-20 19:56:37 -08003036 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003037
3038 return IRQ_HANDLED;
3039}
3040
3041static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003042bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003043{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003044 struct bnx2_napi *bnapi = dev_instance;
3045 struct bnx2 *bp = bnapi->bp;
3046 struct net_device *dev = bp->dev;
Michael Chan43e80b82008-06-19 16:41:08 -07003047 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003048
3049 /* When using INTx, it is possible for the interrupt to arrive
3050 * at the CPU before the status block posted prior to the
3051 * interrupt. Reading a register will flush the status block.
3052 * When using MSI, the MSI message will always complete after
3053 * the status block write.
3054 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003055 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003056 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3057 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003058 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003059
3060 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3061 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3062 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3063
Michael Chanb8a7ce72007-07-07 22:51:03 -07003064 /* Read back to deassert IRQ immediately to avoid too many
3065 * spurious interrupts.
3066 */
3067 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3068
Michael Chanb6016b72005-05-26 13:03:09 -07003069 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003070 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3071 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003072
Michael Chan35efa7c2007-12-20 19:56:37 -08003073 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3074 bnapi->last_status_idx = sblk->status_idx;
3075 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003076 }
Michael Chanb6016b72005-05-26 13:03:09 -07003077
Michael Chan73eef4c2005-08-25 15:39:15 -07003078 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003079}
3080
Michael Chan43e80b82008-06-19 16:41:08 -07003081static inline int
3082bnx2_has_fast_work(struct bnx2_napi *bnapi)
3083{
3084 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3085 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3086
3087 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3088 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3089 return 1;
3090 return 0;
3091}
3092
Michael Chan0d8a6572007-07-07 22:49:43 -07003093#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3094 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003095
Michael Chanf4e418f2005-11-04 08:53:48 -08003096static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003097bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003098{
Michael Chan43e80b82008-06-19 16:41:08 -07003099 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003100
Michael Chan43e80b82008-06-19 16:41:08 -07003101 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003102 return 1;
3103
Michael Chanda3e4fb2007-05-03 13:24:23 -07003104 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3105 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003106 return 1;
3107
3108 return 0;
3109}
3110
Michael Chan43e80b82008-06-19 16:41:08 -07003111static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003112{
Michael Chan43e80b82008-06-19 16:41:08 -07003113 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003114 u32 status_attn_bits = sblk->status_attn_bits;
3115 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003116
Michael Chanda3e4fb2007-05-03 13:24:23 -07003117 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3118 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003119
Michael Chan35efa7c2007-12-20 19:56:37 -08003120 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003121
3122 /* This is needed to take care of transient status
3123 * during link changes.
3124 */
3125 REG_WR(bp, BNX2_HC_COMMAND,
3126 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3127 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003128 }
Michael Chan43e80b82008-06-19 16:41:08 -07003129}
3130
3131static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3132 int work_done, int budget)
3133{
3134 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3135 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003136
Michael Chan35e90102008-06-19 16:37:42 -07003137 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003138 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003139
Michael Chanbb4f98a2008-06-19 16:38:19 -07003140 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003141 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003142
David S. Miller6f535762007-10-11 18:08:29 -07003143 return work_done;
3144}
Michael Chanf4e418f2005-11-04 08:53:48 -08003145
Michael Chanf0ea2e62008-06-19 16:41:57 -07003146static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3147{
3148 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3149 struct bnx2 *bp = bnapi->bp;
3150 int work_done = 0;
3151 struct status_block_msix *sblk = bnapi->status_blk.msix;
3152
3153 while (1) {
3154 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3155 if (unlikely(work_done >= budget))
3156 break;
3157
3158 bnapi->last_status_idx = sblk->status_idx;
3159 /* status idx must be read before checking for more work. */
3160 rmb();
3161 if (likely(!bnx2_has_fast_work(bnapi))) {
3162
3163 netif_rx_complete(bp->dev, napi);
3164 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3165 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3166 bnapi->last_status_idx);
3167 break;
3168 }
3169 }
3170 return work_done;
3171}
3172
David S. Miller6f535762007-10-11 18:08:29 -07003173static int bnx2_poll(struct napi_struct *napi, int budget)
3174{
Michael Chan35efa7c2007-12-20 19:56:37 -08003175 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3176 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003177 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003178 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003179
3180 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003181 bnx2_poll_link(bp, bnapi);
3182
Michael Chan35efa7c2007-12-20 19:56:37 -08003183 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003184
3185 if (unlikely(work_done >= budget))
3186 break;
3187
Michael Chan35efa7c2007-12-20 19:56:37 -08003188 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003189 * much work has been processed, so we must read it before
3190 * checking for more work.
3191 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003192 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003193 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003194 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003195 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003196 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003197 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3198 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003199 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003200 break;
David S. Miller6f535762007-10-11 18:08:29 -07003201 }
3202 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3203 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3204 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003205 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003206
Michael Chan1269a8a2006-01-23 16:11:03 -08003207 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3208 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003209 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003210 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003211 }
Michael Chanb6016b72005-05-26 13:03:09 -07003212 }
3213
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003214 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003215}
3216
Herbert Xu932ff272006-06-09 12:20:56 -07003217/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003218 * from set_multicast.
3219 */
3220static void
3221bnx2_set_rx_mode(struct net_device *dev)
3222{
Michael Chan972ec0d2006-01-23 16:12:43 -08003223 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003224 u32 rx_mode, sort_mode;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003225 struct dev_addr_list *uc_ptr;
Michael Chanb6016b72005-05-26 13:03:09 -07003226 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003227
Michael Chanc770a652005-08-25 15:38:39 -07003228 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003229
3230 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3231 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3232 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3233#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003234 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003235 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003236#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003237 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003238 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003239#endif
3240 if (dev->flags & IFF_PROMISC) {
3241 /* Promiscuous mode. */
3242 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003243 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3244 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003245 }
3246 else if (dev->flags & IFF_ALLMULTI) {
3247 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3248 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3249 0xffffffff);
3250 }
3251 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3252 }
3253 else {
3254 /* Accept one or more multicast(s). */
3255 struct dev_mc_list *mclist;
3256 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3257 u32 regidx;
3258 u32 bit;
3259 u32 crc;
3260
3261 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3262
3263 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3264 i++, mclist = mclist->next) {
3265
3266 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3267 bit = crc & 0xff;
3268 regidx = (bit & 0xe0) >> 5;
3269 bit &= 0x1f;
3270 mc_filter[regidx] |= (1 << bit);
3271 }
3272
3273 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3274 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3275 mc_filter[i]);
3276 }
3277
3278 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3279 }
3280
Benjamin Li5fcaed02008-07-14 22:39:52 -07003281 uc_ptr = NULL;
3282 if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
3283 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3284 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3285 BNX2_RPM_SORT_USER0_PROM_VLAN;
3286 } else if (!(dev->flags & IFF_PROMISC)) {
3287 uc_ptr = dev->uc_list;
3288
3289 /* Add all entries into to the match filter list */
3290 for (i = 0; i < dev->uc_count; i++) {
3291 bnx2_set_mac_addr(bp, uc_ptr->da_addr,
3292 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3293 sort_mode |= (1 <<
3294 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3295 uc_ptr = uc_ptr->next;
3296 }
3297
3298 }
3299
Michael Chanb6016b72005-05-26 13:03:09 -07003300 if (rx_mode != bp->rx_mode) {
3301 bp->rx_mode = rx_mode;
3302 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3303 }
3304
3305 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3306 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3307 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3308
Michael Chanc770a652005-08-25 15:38:39 -07003309 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003310}
3311
3312static void
Al Virob491edd2007-12-22 19:44:51 +00003313load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003314 u32 rv2p_proc)
3315{
3316 int i;
3317 u32 val;
3318
Michael Chand25be1d2008-05-02 16:57:59 -07003319 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3320 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3321 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3322 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3323 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3324 }
Michael Chanb6016b72005-05-26 13:03:09 -07003325
3326 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003327 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003328 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003329 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003330 rv2p_code++;
3331
3332 if (rv2p_proc == RV2P_PROC1) {
3333 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3334 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3335 }
3336 else {
3337 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3338 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3339 }
3340 }
3341
3342 /* Reset the processor, un-stall is done later. */
3343 if (rv2p_proc == RV2P_PROC1) {
3344 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3345 }
3346 else {
3347 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3348 }
3349}
3350
Michael Chanaf3ee512006-11-19 14:09:25 -08003351static int
Benjamin Li10343cc2008-05-16 22:20:27 -07003352load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
Michael Chanb6016b72005-05-26 13:03:09 -07003353{
3354 u32 offset;
3355 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003356 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003357
3358 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003359 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003360 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003361 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3362 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003363
3364 /* Load the Text area. */
3365 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003366 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003367 int j;
3368
Michael Chanea1f8d52007-10-02 16:27:35 -07003369 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3370 fw->gz_text_len);
3371 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003372 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003373
Michael Chanb6016b72005-05-26 13:03:09 -07003374 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003375 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003376 }
3377 }
3378
3379 /* Load the Data area. */
3380 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3381 if (fw->data) {
3382 int j;
3383
3384 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003385 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003386 }
3387 }
3388
3389 /* Load the SBSS area. */
3390 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003391 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003392 int j;
3393
3394 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003395 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003396 }
3397 }
3398
3399 /* Load the BSS area. */
3400 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003401 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003402 int j;
3403
3404 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003405 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003406 }
3407 }
3408
3409 /* Load the Read-Only area. */
3410 offset = cpu_reg->spad_base +
3411 (fw->rodata_addr - cpu_reg->mips_view_base);
3412 if (fw->rodata) {
3413 int j;
3414
3415 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003416 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003417 }
3418 }
3419
3420 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003421 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3422 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003423
3424 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003425 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003426 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003427 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3428 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003429
3430 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003431}
3432
Michael Chanfba9fe92006-06-12 22:21:25 -07003433static int
Michael Chanb6016b72005-05-26 13:03:09 -07003434bnx2_init_cpus(struct bnx2 *bp)
3435{
Michael Chanaf3ee512006-11-19 14:09:25 -08003436 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003437 int rc, rv2p_len;
3438 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003439
3440 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003441 text = vmalloc(FW_BUF_SIZE);
3442 if (!text)
3443 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003444 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3445 rv2p = bnx2_xi_rv2p_proc1;
3446 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3447 } else {
3448 rv2p = bnx2_rv2p_proc1;
3449 rv2p_len = sizeof(bnx2_rv2p_proc1);
3450 }
3451 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003452 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003453 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003454
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003455 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003456
Michael Chan110d0ef2007-12-12 11:18:34 -08003457 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3458 rv2p = bnx2_xi_rv2p_proc2;
3459 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3460 } else {
3461 rv2p = bnx2_rv2p_proc2;
3462 rv2p_len = sizeof(bnx2_rv2p_proc2);
3463 }
3464 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003465 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003466 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003467
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003468 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003469
3470 /* Initialize the RX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003471 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3472 fw = &bnx2_rxp_fw_09;
3473 else
3474 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003475
Michael Chanea1f8d52007-10-02 16:27:35 -07003476 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003477 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003478 if (rc)
3479 goto init_cpu_err;
3480
Michael Chanb6016b72005-05-26 13:03:09 -07003481 /* Initialize the TX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003482 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3483 fw = &bnx2_txp_fw_09;
3484 else
3485 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003486
Michael Chanea1f8d52007-10-02 16:27:35 -07003487 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003488 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003489 if (rc)
3490 goto init_cpu_err;
3491
Michael Chanb6016b72005-05-26 13:03:09 -07003492 /* Initialize the TX Patch-up Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003493 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3494 fw = &bnx2_tpat_fw_09;
3495 else
3496 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003497
Michael Chanea1f8d52007-10-02 16:27:35 -07003498 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003499 rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003500 if (rc)
3501 goto init_cpu_err;
3502
Michael Chanb6016b72005-05-26 13:03:09 -07003503 /* Initialize the Completion Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003504 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3505 fw = &bnx2_com_fw_09;
3506 else
3507 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003508
Michael Chanea1f8d52007-10-02 16:27:35 -07003509 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003510 rc = load_cpu_fw(bp, &cpu_reg_com, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003511 if (rc)
3512 goto init_cpu_err;
3513
Michael Chand43584c2006-11-19 14:14:35 -08003514 /* Initialize the Command Processor. */
Michael Chan110d0ef2007-12-12 11:18:34 -08003515 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003516 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003517 else
3518 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003519
Michael Chan110d0ef2007-12-12 11:18:34 -08003520 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003521 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
Michael Chan110d0ef2007-12-12 11:18:34 -08003522
Michael Chanfba9fe92006-06-12 22:21:25 -07003523init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003524 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003525 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003526}
3527
3528static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003529bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003530{
3531 u16 pmcsr;
3532
3533 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3534
3535 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003536 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003537 u32 val;
3538
3539 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3540 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3541 PCI_PM_CTRL_PME_STATUS);
3542
3543 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3544 /* delay required during transition out of D3hot */
3545 msleep(20);
3546
3547 val = REG_RD(bp, BNX2_EMAC_MODE);
3548 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3549 val &= ~BNX2_EMAC_MODE_MPKT;
3550 REG_WR(bp, BNX2_EMAC_MODE, val);
3551
3552 val = REG_RD(bp, BNX2_RPM_CONFIG);
3553 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3554 REG_WR(bp, BNX2_RPM_CONFIG, val);
3555 break;
3556 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003557 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003558 int i;
3559 u32 val, wol_msg;
3560
3561 if (bp->wol) {
3562 u32 advertising;
3563 u8 autoneg;
3564
3565 autoneg = bp->autoneg;
3566 advertising = bp->advertising;
3567
Michael Chan239cd342007-10-17 19:26:15 -07003568 if (bp->phy_port == PORT_TP) {
3569 bp->autoneg = AUTONEG_SPEED;
3570 bp->advertising = ADVERTISED_10baseT_Half |
3571 ADVERTISED_10baseT_Full |
3572 ADVERTISED_100baseT_Half |
3573 ADVERTISED_100baseT_Full |
3574 ADVERTISED_Autoneg;
3575 }
Michael Chanb6016b72005-05-26 13:03:09 -07003576
Michael Chan239cd342007-10-17 19:26:15 -07003577 spin_lock_bh(&bp->phy_lock);
3578 bnx2_setup_phy(bp, bp->phy_port);
3579 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003580
3581 bp->autoneg = autoneg;
3582 bp->advertising = advertising;
3583
Benjamin Li5fcaed02008-07-14 22:39:52 -07003584 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003585
3586 val = REG_RD(bp, BNX2_EMAC_MODE);
3587
3588 /* Enable port mode. */
3589 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003590 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003591 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003592 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003593 if (bp->phy_port == PORT_TP)
3594 val |= BNX2_EMAC_MODE_PORT_MII;
3595 else {
3596 val |= BNX2_EMAC_MODE_PORT_GMII;
3597 if (bp->line_speed == SPEED_2500)
3598 val |= BNX2_EMAC_MODE_25G_MODE;
3599 }
Michael Chanb6016b72005-05-26 13:03:09 -07003600
3601 REG_WR(bp, BNX2_EMAC_MODE, val);
3602
3603 /* receive all multicast */
3604 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3605 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3606 0xffffffff);
3607 }
3608 REG_WR(bp, BNX2_EMAC_RX_MODE,
3609 BNX2_EMAC_RX_MODE_SORT_MODE);
3610
3611 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3612 BNX2_RPM_SORT_USER0_MC_EN;
3613 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3614 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3615 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3616 BNX2_RPM_SORT_USER0_ENA);
3617
3618 /* Need to enable EMAC and RPM for WOL. */
3619 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3620 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3621 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3622 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3623
3624 val = REG_RD(bp, BNX2_RPM_CONFIG);
3625 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3626 REG_WR(bp, BNX2_RPM_CONFIG, val);
3627
3628 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3629 }
3630 else {
3631 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3632 }
3633
David S. Millerf86e82f2008-01-21 17:15:40 -08003634 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003635 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3636 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003637
3638 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3639 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3640 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3641
3642 if (bp->wol)
3643 pmcsr |= 3;
3644 }
3645 else {
3646 pmcsr |= 3;
3647 }
3648 if (bp->wol) {
3649 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3650 }
3651 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3652 pmcsr);
3653
3654 /* No more memory access after this point until
3655 * device is brought back to D0.
3656 */
3657 udelay(50);
3658 break;
3659 }
3660 default:
3661 return -EINVAL;
3662 }
3663 return 0;
3664}
3665
3666static int
3667bnx2_acquire_nvram_lock(struct bnx2 *bp)
3668{
3669 u32 val;
3670 int j;
3671
3672 /* Request access to the flash interface. */
3673 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3674 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3675 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3676 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3677 break;
3678
3679 udelay(5);
3680 }
3681
3682 if (j >= NVRAM_TIMEOUT_COUNT)
3683 return -EBUSY;
3684
3685 return 0;
3686}
3687
3688static int
3689bnx2_release_nvram_lock(struct bnx2 *bp)
3690{
3691 int j;
3692 u32 val;
3693
3694 /* Relinquish nvram interface. */
3695 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3696
3697 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3698 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3699 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3700 break;
3701
3702 udelay(5);
3703 }
3704
3705 if (j >= NVRAM_TIMEOUT_COUNT)
3706 return -EBUSY;
3707
3708 return 0;
3709}
3710
3711
3712static int
3713bnx2_enable_nvram_write(struct bnx2 *bp)
3714{
3715 u32 val;
3716
3717 val = REG_RD(bp, BNX2_MISC_CFG);
3718 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3719
Michael Chane30372c2007-07-16 18:26:23 -07003720 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003721 int j;
3722
3723 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3724 REG_WR(bp, BNX2_NVM_COMMAND,
3725 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3726
3727 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3728 udelay(5);
3729
3730 val = REG_RD(bp, BNX2_NVM_COMMAND);
3731 if (val & BNX2_NVM_COMMAND_DONE)
3732 break;
3733 }
3734
3735 if (j >= NVRAM_TIMEOUT_COUNT)
3736 return -EBUSY;
3737 }
3738 return 0;
3739}
3740
3741static void
3742bnx2_disable_nvram_write(struct bnx2 *bp)
3743{
3744 u32 val;
3745
3746 val = REG_RD(bp, BNX2_MISC_CFG);
3747 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3748}
3749
3750
3751static void
3752bnx2_enable_nvram_access(struct bnx2 *bp)
3753{
3754 u32 val;
3755
3756 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3757 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003758 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003759 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3760}
3761
3762static void
3763bnx2_disable_nvram_access(struct bnx2 *bp)
3764{
3765 u32 val;
3766
3767 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3768 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003769 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003770 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3771 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3772}
3773
3774static int
3775bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3776{
3777 u32 cmd;
3778 int j;
3779
Michael Chane30372c2007-07-16 18:26:23 -07003780 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003781 /* Buffered flash, no erase needed */
3782 return 0;
3783
3784 /* Build an erase command */
3785 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3786 BNX2_NVM_COMMAND_DOIT;
3787
3788 /* Need to clear DONE bit separately. */
3789 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3790
3791 /* Address of the NVRAM to read from. */
3792 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3793
3794 /* Issue an erase command. */
3795 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3796
3797 /* Wait for completion. */
3798 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3799 u32 val;
3800
3801 udelay(5);
3802
3803 val = REG_RD(bp, BNX2_NVM_COMMAND);
3804 if (val & BNX2_NVM_COMMAND_DONE)
3805 break;
3806 }
3807
3808 if (j >= NVRAM_TIMEOUT_COUNT)
3809 return -EBUSY;
3810
3811 return 0;
3812}
3813
3814static int
3815bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3816{
3817 u32 cmd;
3818 int j;
3819
3820 /* Build the command word. */
3821 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3822
Michael Chane30372c2007-07-16 18:26:23 -07003823 /* Calculate an offset of a buffered flash, not needed for 5709. */
3824 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003825 offset = ((offset / bp->flash_info->page_size) <<
3826 bp->flash_info->page_bits) +
3827 (offset % bp->flash_info->page_size);
3828 }
3829
3830 /* Need to clear DONE bit separately. */
3831 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3832
3833 /* Address of the NVRAM to read from. */
3834 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3835
3836 /* Issue a read command. */
3837 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3838
3839 /* Wait for completion. */
3840 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3841 u32 val;
3842
3843 udelay(5);
3844
3845 val = REG_RD(bp, BNX2_NVM_COMMAND);
3846 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003847 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3848 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003849 break;
3850 }
3851 }
3852 if (j >= NVRAM_TIMEOUT_COUNT)
3853 return -EBUSY;
3854
3855 return 0;
3856}
3857
3858
3859static int
3860bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3861{
Al Virob491edd2007-12-22 19:44:51 +00003862 u32 cmd;
3863 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003864 int j;
3865
3866 /* Build the command word. */
3867 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3868
Michael Chane30372c2007-07-16 18:26:23 -07003869 /* Calculate an offset of a buffered flash, not needed for 5709. */
3870 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003871 offset = ((offset / bp->flash_info->page_size) <<
3872 bp->flash_info->page_bits) +
3873 (offset % bp->flash_info->page_size);
3874 }
3875
3876 /* Need to clear DONE bit separately. */
3877 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3878
3879 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003880
3881 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003882 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003883
3884 /* Address of the NVRAM to write to. */
3885 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3886
3887 /* Issue the write command. */
3888 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3889
3890 /* Wait for completion. */
3891 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3892 udelay(5);
3893
3894 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3895 break;
3896 }
3897 if (j >= NVRAM_TIMEOUT_COUNT)
3898 return -EBUSY;
3899
3900 return 0;
3901}
3902
3903static int
3904bnx2_init_nvram(struct bnx2 *bp)
3905{
3906 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003907 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003908 struct flash_spec *flash;
3909
Michael Chane30372c2007-07-16 18:26:23 -07003910 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3911 bp->flash_info = &flash_5709;
3912 goto get_flash_size;
3913 }
3914
Michael Chanb6016b72005-05-26 13:03:09 -07003915 /* Determine the selected interface. */
3916 val = REG_RD(bp, BNX2_NVM_CFG1);
3917
Denis Chengff8ac602007-09-02 18:30:18 +08003918 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003919
Michael Chanb6016b72005-05-26 13:03:09 -07003920 if (val & 0x40000000) {
3921
3922 /* Flash interface has been reconfigured */
3923 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003924 j++, flash++) {
3925 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3926 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003927 bp->flash_info = flash;
3928 break;
3929 }
3930 }
3931 }
3932 else {
Michael Chan37137702005-11-04 08:49:17 -08003933 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003934 /* Not yet been reconfigured */
3935
Michael Chan37137702005-11-04 08:49:17 -08003936 if (val & (1 << 23))
3937 mask = FLASH_BACKUP_STRAP_MASK;
3938 else
3939 mask = FLASH_STRAP_MASK;
3940
Michael Chanb6016b72005-05-26 13:03:09 -07003941 for (j = 0, flash = &flash_table[0]; j < entry_count;
3942 j++, flash++) {
3943
Michael Chan37137702005-11-04 08:49:17 -08003944 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003945 bp->flash_info = flash;
3946
3947 /* Request access to the flash interface. */
3948 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3949 return rc;
3950
3951 /* Enable access to flash interface */
3952 bnx2_enable_nvram_access(bp);
3953
3954 /* Reconfigure the flash interface */
3955 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3956 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3957 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3958 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3959
3960 /* Disable access to flash interface */
3961 bnx2_disable_nvram_access(bp);
3962 bnx2_release_nvram_lock(bp);
3963
3964 break;
3965 }
3966 }
3967 } /* if (val & 0x40000000) */
3968
3969 if (j == entry_count) {
3970 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003971 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003972 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003973 }
3974
Michael Chane30372c2007-07-16 18:26:23 -07003975get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003976 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003977 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3978 if (val)
3979 bp->flash_size = val;
3980 else
3981 bp->flash_size = bp->flash_info->total_size;
3982
Michael Chanb6016b72005-05-26 13:03:09 -07003983 return rc;
3984}
3985
3986static int
3987bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3988 int buf_size)
3989{
3990 int rc = 0;
3991 u32 cmd_flags, offset32, len32, extra;
3992
3993 if (buf_size == 0)
3994 return 0;
3995
3996 /* Request access to the flash interface. */
3997 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3998 return rc;
3999
4000 /* Enable access to flash interface */
4001 bnx2_enable_nvram_access(bp);
4002
4003 len32 = buf_size;
4004 offset32 = offset;
4005 extra = 0;
4006
4007 cmd_flags = 0;
4008
4009 if (offset32 & 3) {
4010 u8 buf[4];
4011 u32 pre_len;
4012
4013 offset32 &= ~3;
4014 pre_len = 4 - (offset & 3);
4015
4016 if (pre_len >= len32) {
4017 pre_len = len32;
4018 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4019 BNX2_NVM_COMMAND_LAST;
4020 }
4021 else {
4022 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4023 }
4024
4025 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4026
4027 if (rc)
4028 return rc;
4029
4030 memcpy(ret_buf, buf + (offset & 3), pre_len);
4031
4032 offset32 += 4;
4033 ret_buf += pre_len;
4034 len32 -= pre_len;
4035 }
4036 if (len32 & 3) {
4037 extra = 4 - (len32 & 3);
4038 len32 = (len32 + 4) & ~3;
4039 }
4040
4041 if (len32 == 4) {
4042 u8 buf[4];
4043
4044 if (cmd_flags)
4045 cmd_flags = BNX2_NVM_COMMAND_LAST;
4046 else
4047 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4048 BNX2_NVM_COMMAND_LAST;
4049
4050 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4051
4052 memcpy(ret_buf, buf, 4 - extra);
4053 }
4054 else if (len32 > 0) {
4055 u8 buf[4];
4056
4057 /* Read the first word. */
4058 if (cmd_flags)
4059 cmd_flags = 0;
4060 else
4061 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4062
4063 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4064
4065 /* Advance to the next dword. */
4066 offset32 += 4;
4067 ret_buf += 4;
4068 len32 -= 4;
4069
4070 while (len32 > 4 && rc == 0) {
4071 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4072
4073 /* Advance to the next dword. */
4074 offset32 += 4;
4075 ret_buf += 4;
4076 len32 -= 4;
4077 }
4078
4079 if (rc)
4080 return rc;
4081
4082 cmd_flags = BNX2_NVM_COMMAND_LAST;
4083 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4084
4085 memcpy(ret_buf, buf, 4 - extra);
4086 }
4087
4088 /* Disable access to flash interface */
4089 bnx2_disable_nvram_access(bp);
4090
4091 bnx2_release_nvram_lock(bp);
4092
4093 return rc;
4094}
4095
4096static int
4097bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4098 int buf_size)
4099{
4100 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004101 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004102 int rc = 0;
4103 int align_start, align_end;
4104
4105 buf = data_buf;
4106 offset32 = offset;
4107 len32 = buf_size;
4108 align_start = align_end = 0;
4109
4110 if ((align_start = (offset32 & 3))) {
4111 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004112 len32 += align_start;
4113 if (len32 < 4)
4114 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004115 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4116 return rc;
4117 }
4118
4119 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004120 align_end = 4 - (len32 & 3);
4121 len32 += align_end;
4122 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4123 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004124 }
4125
4126 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004127 align_buf = kmalloc(len32, GFP_KERNEL);
4128 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004129 return -ENOMEM;
4130 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004131 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004132 }
4133 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004134 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004135 }
Michael Chane6be7632007-01-08 19:56:13 -08004136 memcpy(align_buf + align_start, data_buf, buf_size);
4137 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004138 }
4139
Michael Chane30372c2007-07-16 18:26:23 -07004140 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004141 flash_buffer = kmalloc(264, GFP_KERNEL);
4142 if (flash_buffer == NULL) {
4143 rc = -ENOMEM;
4144 goto nvram_write_end;
4145 }
4146 }
4147
Michael Chanb6016b72005-05-26 13:03:09 -07004148 written = 0;
4149 while ((written < len32) && (rc == 0)) {
4150 u32 page_start, page_end, data_start, data_end;
4151 u32 addr, cmd_flags;
4152 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004153
4154 /* Find the page_start addr */
4155 page_start = offset32 + written;
4156 page_start -= (page_start % bp->flash_info->page_size);
4157 /* Find the page_end addr */
4158 page_end = page_start + bp->flash_info->page_size;
4159 /* Find the data_start addr */
4160 data_start = (written == 0) ? offset32 : page_start;
4161 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004162 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004163 (offset32 + len32) : page_end;
4164
4165 /* Request access to the flash interface. */
4166 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4167 goto nvram_write_end;
4168
4169 /* Enable access to flash interface */
4170 bnx2_enable_nvram_access(bp);
4171
4172 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004173 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004174 int j;
4175
4176 /* Read the whole page into the buffer
4177 * (non-buffer flash only) */
4178 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4179 if (j == (bp->flash_info->page_size - 4)) {
4180 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4181 }
4182 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004183 page_start + j,
4184 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004185 cmd_flags);
4186
4187 if (rc)
4188 goto nvram_write_end;
4189
4190 cmd_flags = 0;
4191 }
4192 }
4193
4194 /* Enable writes to flash interface (unlock write-protect) */
4195 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4196 goto nvram_write_end;
4197
Michael Chanb6016b72005-05-26 13:03:09 -07004198 /* Loop to write back the buffer data from page_start to
4199 * data_start */
4200 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004201 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004202 /* Erase the page */
4203 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4204 goto nvram_write_end;
4205
4206 /* Re-enable the write again for the actual write */
4207 bnx2_enable_nvram_write(bp);
4208
Michael Chanb6016b72005-05-26 13:03:09 -07004209 for (addr = page_start; addr < data_start;
4210 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004211
Michael Chanb6016b72005-05-26 13:03:09 -07004212 rc = bnx2_nvram_write_dword(bp, addr,
4213 &flash_buffer[i], cmd_flags);
4214
4215 if (rc != 0)
4216 goto nvram_write_end;
4217
4218 cmd_flags = 0;
4219 }
4220 }
4221
4222 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004223 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004224 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004225 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004226 (addr == data_end - 4))) {
4227
4228 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4229 }
4230 rc = bnx2_nvram_write_dword(bp, addr, buf,
4231 cmd_flags);
4232
4233 if (rc != 0)
4234 goto nvram_write_end;
4235
4236 cmd_flags = 0;
4237 buf += 4;
4238 }
4239
4240 /* Loop to write back the buffer data from data_end
4241 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004242 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004243 for (addr = data_end; addr < page_end;
4244 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004245
Michael Chanb6016b72005-05-26 13:03:09 -07004246 if (addr == page_end-4) {
4247 cmd_flags = BNX2_NVM_COMMAND_LAST;
4248 }
4249 rc = bnx2_nvram_write_dword(bp, addr,
4250 &flash_buffer[i], cmd_flags);
4251
4252 if (rc != 0)
4253 goto nvram_write_end;
4254
4255 cmd_flags = 0;
4256 }
4257 }
4258
4259 /* Disable writes to flash interface (lock write-protect) */
4260 bnx2_disable_nvram_write(bp);
4261
4262 /* Disable access to flash interface */
4263 bnx2_disable_nvram_access(bp);
4264 bnx2_release_nvram_lock(bp);
4265
4266 /* Increment written */
4267 written += data_end - data_start;
4268 }
4269
4270nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004271 kfree(flash_buffer);
4272 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004273 return rc;
4274}
4275
Michael Chan0d8a6572007-07-07 22:49:43 -07004276static void
Michael Chan7c62e832008-07-14 22:39:03 -07004277bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004278{
Michael Chan7c62e832008-07-14 22:39:03 -07004279 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004280
Michael Chan583c28e2008-01-21 19:51:35 -08004281 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004282 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4283
4284 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4285 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004286
Michael Chan2726d6e2008-01-29 21:35:05 -08004287 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004288 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4289 return;
4290
Michael Chan7c62e832008-07-14 22:39:03 -07004291 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4292 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4293 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4294 }
4295
4296 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4297 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4298 u32 link;
4299
Michael Chan583c28e2008-01-21 19:51:35 -08004300 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004301
Michael Chan7c62e832008-07-14 22:39:03 -07004302 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4303 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004304 bp->phy_port = PORT_FIBRE;
4305 else
4306 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004307
Michael Chan7c62e832008-07-14 22:39:03 -07004308 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4309 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004310 }
Michael Chan7c62e832008-07-14 22:39:03 -07004311
4312 if (netif_running(bp->dev) && sig)
4313 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004314}
4315
Michael Chanb4b36042007-12-20 19:59:30 -08004316static void
4317bnx2_setup_msix_tbl(struct bnx2 *bp)
4318{
4319 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4320
4321 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4322 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4323}
4324
Michael Chanb6016b72005-05-26 13:03:09 -07004325static int
4326bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4327{
4328 u32 val;
4329 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004330 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004331
4332 /* Wait for the current PCI transaction to complete before
4333 * issuing a reset. */
4334 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4335 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4336 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4337 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4338 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4339 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4340 udelay(5);
4341
Michael Chanb090ae22006-01-23 16:07:10 -08004342 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004343 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004344
Michael Chanb6016b72005-05-26 13:03:09 -07004345 /* Deposit a driver reset signature so the firmware knows that
4346 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004347 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4348 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004349
Michael Chanb6016b72005-05-26 13:03:09 -07004350 /* Do a dummy read to force the chip to complete all current transaction
4351 * before we issue a reset. */
4352 val = REG_RD(bp, BNX2_MISC_ID);
4353
Michael Chan234754d2006-11-19 14:11:41 -08004354 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4355 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4356 REG_RD(bp, BNX2_MISC_COMMAND);
4357 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004358
Michael Chan234754d2006-11-19 14:11:41 -08004359 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4360 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004361
Michael Chan234754d2006-11-19 14:11:41 -08004362 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004363
Michael Chan234754d2006-11-19 14:11:41 -08004364 } else {
4365 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4366 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4367 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4368
4369 /* Chip reset. */
4370 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4371
Michael Chan594a9df2007-08-28 15:39:42 -07004372 /* Reading back any register after chip reset will hang the
4373 * bus on 5706 A0 and A1. The msleep below provides plenty
4374 * of margin for write posting.
4375 */
Michael Chan234754d2006-11-19 14:11:41 -08004376 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004377 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4378 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004379
Michael Chan234754d2006-11-19 14:11:41 -08004380 /* Reset takes approximate 30 usec */
4381 for (i = 0; i < 10; i++) {
4382 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4383 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4384 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4385 break;
4386 udelay(10);
4387 }
4388
4389 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4390 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4391 printk(KERN_ERR PFX "Chip reset did not complete\n");
4392 return -EBUSY;
4393 }
Michael Chanb6016b72005-05-26 13:03:09 -07004394 }
4395
4396 /* Make sure byte swapping is properly configured. */
4397 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4398 if (val != 0x01020304) {
4399 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4400 return -ENODEV;
4401 }
4402
Michael Chanb6016b72005-05-26 13:03:09 -07004403 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004404 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004405 if (rc)
4406 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004407
Michael Chan0d8a6572007-07-07 22:49:43 -07004408 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004409 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004410 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004411 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4412 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004413 bnx2_set_default_remote_link(bp);
4414 spin_unlock_bh(&bp->phy_lock);
4415
Michael Chanb6016b72005-05-26 13:03:09 -07004416 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4417 /* Adjust the voltage regular to two steps lower. The default
4418 * of this register is 0x0000000e. */
4419 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4420
4421 /* Remove bad rbuf memory from the free pool. */
4422 rc = bnx2_alloc_bad_rbuf(bp);
4423 }
4424
David S. Millerf86e82f2008-01-21 17:15:40 -08004425 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004426 bnx2_setup_msix_tbl(bp);
4427
Michael Chanb6016b72005-05-26 13:03:09 -07004428 return rc;
4429}
4430
4431static int
4432bnx2_init_chip(struct bnx2 *bp)
4433{
4434 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004435 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004436
4437 /* Make sure the interrupt is not active. */
4438 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4439
4440 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4441 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4442#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004443 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004444#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004445 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004446 DMA_READ_CHANS << 12 |
4447 DMA_WRITE_CHANS << 16;
4448
4449 val |= (0x2 << 20) | (1 << 11);
4450
David S. Millerf86e82f2008-01-21 17:15:40 -08004451 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004452 val |= (1 << 23);
4453
4454 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004455 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004456 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4457
4458 REG_WR(bp, BNX2_DMA_CONFIG, val);
4459
4460 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4461 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4462 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4463 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4464 }
4465
David S. Millerf86e82f2008-01-21 17:15:40 -08004466 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004467 u16 val16;
4468
4469 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4470 &val16);
4471 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4472 val16 & ~PCI_X_CMD_ERO);
4473 }
4474
4475 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4476 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4477 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4478 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4479
4480 /* Initialize context mapping and zero out the quick contexts. The
4481 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004482 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4483 rc = bnx2_init_5709_context(bp);
4484 if (rc)
4485 return rc;
4486 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004487 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004488
Michael Chanfba9fe92006-06-12 22:21:25 -07004489 if ((rc = bnx2_init_cpus(bp)) != 0)
4490 return rc;
4491
Michael Chanb6016b72005-05-26 13:03:09 -07004492 bnx2_init_nvram(bp);
4493
Benjamin Li5fcaed02008-07-14 22:39:52 -07004494 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004495
4496 val = REG_RD(bp, BNX2_MQ_CONFIG);
4497 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4498 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004499 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4500 val |= BNX2_MQ_CONFIG_HALT_DIS;
4501
Michael Chanb6016b72005-05-26 13:03:09 -07004502 REG_WR(bp, BNX2_MQ_CONFIG, val);
4503
4504 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4505 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4506 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4507
4508 val = (BCM_PAGE_BITS - 8) << 24;
4509 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4510
4511 /* Configure page size. */
4512 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4513 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4514 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4515 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4516
4517 val = bp->mac_addr[0] +
4518 (bp->mac_addr[1] << 8) +
4519 (bp->mac_addr[2] << 16) +
4520 bp->mac_addr[3] +
4521 (bp->mac_addr[4] << 8) +
4522 (bp->mac_addr[5] << 16);
4523 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4524
4525 /* Program the MTU. Also include 4 bytes for CRC32. */
4526 val = bp->dev->mtu + ETH_HLEN + 4;
4527 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4528 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4529 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4530
Michael Chanb4b36042007-12-20 19:59:30 -08004531 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4532 bp->bnx2_napi[i].last_status_idx = 0;
4533
Michael Chanb6016b72005-05-26 13:03:09 -07004534 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4535
4536 /* Set up how to generate a link change interrupt. */
4537 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4538
4539 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4540 (u64) bp->status_blk_mapping & 0xffffffff);
4541 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4542
4543 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4544 (u64) bp->stats_blk_mapping & 0xffffffff);
4545 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4546 (u64) bp->stats_blk_mapping >> 32);
4547
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004548 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004549 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4550
4551 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4552 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4553
4554 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4555 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4556
4557 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4558
4559 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4560
4561 REG_WR(bp, BNX2_HC_COM_TICKS,
4562 (bp->com_ticks_int << 16) | bp->com_ticks);
4563
4564 REG_WR(bp, BNX2_HC_CMD_TICKS,
4565 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4566
Michael Chan02537b062007-06-04 21:24:07 -07004567 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4568 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4569 else
Michael Chan7ea69202007-07-16 18:27:10 -07004570 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004571 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4572
4573 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004574 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004575 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004576 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4577 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004578 }
4579
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004580 if (bp->irq_nvecs > 1) {
Michael Chanc76c0472007-12-20 20:01:19 -08004581 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4582 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4583
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004584 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4585 }
4586
4587 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4588 val |= BNX2_HC_CONFIG_ONE_SHOT;
4589
4590 REG_WR(bp, BNX2_HC_CONFIG, val);
4591
4592 for (i = 1; i < bp->irq_nvecs; i++) {
4593 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4594 BNX2_HC_SB_CONFIG_1;
4595
Michael Chan6f743ca2008-01-29 21:34:08 -08004596 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004597 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004598 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004599 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4600
Michael Chan6f743ca2008-01-29 21:34:08 -08004601 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004602 (bp->tx_quick_cons_trip_int << 16) |
4603 bp->tx_quick_cons_trip);
4604
Michael Chan6f743ca2008-01-29 21:34:08 -08004605 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004606 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4607
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004608 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4609 (bp->rx_quick_cons_trip_int << 16) |
4610 bp->rx_quick_cons_trip);
4611
4612 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4613 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004614 }
4615
Michael Chanb6016b72005-05-26 13:03:09 -07004616 /* Clear internal stats counters. */
4617 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4618
Michael Chanda3e4fb2007-05-03 13:24:23 -07004619 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004620
4621 /* Initialize the receive filter. */
4622 bnx2_set_rx_mode(bp->dev);
4623
Michael Chan0aa38df2007-06-04 21:23:06 -07004624 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4625 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4626 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4627 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4628 }
Michael Chanb090ae22006-01-23 16:07:10 -08004629 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004630 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004631
Michael Chandf149d72007-07-07 22:51:36 -07004632 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004633 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4634
4635 udelay(20);
4636
Michael Chanbf5295b2006-03-23 01:11:56 -08004637 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4638
Michael Chanb090ae22006-01-23 16:07:10 -08004639 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004640}
4641
Michael Chan59b47d82006-11-19 14:10:45 -08004642static void
Michael Chanc76c0472007-12-20 20:01:19 -08004643bnx2_clear_ring_states(struct bnx2 *bp)
4644{
4645 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004646 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004647 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08004648 int i;
4649
4650 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4651 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07004652 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004653 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08004654
Michael Chan35e90102008-06-19 16:37:42 -07004655 txr->tx_cons = 0;
4656 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004657 rxr->rx_prod_bseq = 0;
4658 rxr->rx_prod = 0;
4659 rxr->rx_cons = 0;
4660 rxr->rx_pg_prod = 0;
4661 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08004662 }
4663}
4664
4665static void
Michael Chan35e90102008-06-19 16:37:42 -07004666bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08004667{
4668 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004669 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004670
4671 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4672 offset0 = BNX2_L2CTX_TYPE_XI;
4673 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4674 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4675 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4676 } else {
4677 offset0 = BNX2_L2CTX_TYPE;
4678 offset1 = BNX2_L2CTX_CMD_TYPE;
4679 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4680 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4681 }
4682 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004683 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004684
4685 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004686 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004687
Michael Chan35e90102008-06-19 16:37:42 -07004688 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004689 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004690
Michael Chan35e90102008-06-19 16:37:42 -07004691 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004692 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004693}
Michael Chanb6016b72005-05-26 13:03:09 -07004694
4695static void
Michael Chan35e90102008-06-19 16:37:42 -07004696bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07004697{
4698 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004699 u32 cid = TX_CID;
4700 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004701 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08004702
Michael Chan35e90102008-06-19 16:37:42 -07004703 bnapi = &bp->bnx2_napi[ring_num];
4704 txr = &bnapi->tx_ring;
4705
4706 if (ring_num == 0)
4707 cid = TX_CID;
4708 else
4709 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004710
Michael Chan2f8af122006-08-15 01:39:10 -07004711 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4712
Michael Chan35e90102008-06-19 16:37:42 -07004713 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004714
Michael Chan35e90102008-06-19 16:37:42 -07004715 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4716 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07004717
Michael Chan35e90102008-06-19 16:37:42 -07004718 txr->tx_prod = 0;
4719 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004720
Michael Chan35e90102008-06-19 16:37:42 -07004721 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4722 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004723
Michael Chan35e90102008-06-19 16:37:42 -07004724 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07004725}
4726
4727static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004728bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4729 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004730{
Michael Chanb6016b72005-05-26 13:03:09 -07004731 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004732 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004733
Michael Chan5d5d0012007-12-12 11:17:43 -08004734 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004735 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004736
Michael Chan5d5d0012007-12-12 11:17:43 -08004737 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004738 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004739 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004740 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4741 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004742 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004743 j = 0;
4744 else
4745 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004746 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4747 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004748 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004749}
4750
4751static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07004752bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08004753{
4754 int i;
4755 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004756 u32 cid, rx_cid_addr, val;
4757 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4758 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08004759
Michael Chanbb4f98a2008-06-19 16:38:19 -07004760 if (ring_num == 0)
4761 cid = RX_CID;
4762 else
4763 cid = RX_RSS_CID + ring_num - 1;
4764
4765 rx_cid_addr = GET_CID_ADDR(cid);
4766
4767 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08004768 bp->rx_buf_use_size, bp->rx_max_ring);
4769
Michael Chanbb4f98a2008-06-19 16:38:19 -07004770 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08004771
4772 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4773 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4774 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4775 }
4776
Michael Chan62a83132008-01-29 21:35:40 -08004777 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004778 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004779 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4780 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08004781 PAGE_SIZE, bp->rx_max_pg_ring);
4782 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004783 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4784 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004785 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08004786
Michael Chanbb4f98a2008-06-19 16:38:19 -07004787 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004788 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004789
Michael Chanbb4f98a2008-06-19 16:38:19 -07004790 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004791 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004792
4793 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4794 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4795 }
Michael Chanb6016b72005-05-26 13:03:09 -07004796
Michael Chanbb4f98a2008-06-19 16:38:19 -07004797 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004798 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004799
Michael Chanbb4f98a2008-06-19 16:38:19 -07004800 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004801 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004802
Michael Chanbb4f98a2008-06-19 16:38:19 -07004803 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004804 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004805 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
Michael Chan47bf4242007-12-12 11:19:12 -08004806 break;
4807 prod = NEXT_RX_BD(prod);
4808 ring_prod = RX_PG_RING_IDX(prod);
4809 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004810 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004811
Michael Chanbb4f98a2008-06-19 16:38:19 -07004812 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004813 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004814 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
Michael Chanb6016b72005-05-26 13:03:09 -07004815 break;
Michael Chanb6016b72005-05-26 13:03:09 -07004816 prod = NEXT_RX_BD(prod);
4817 ring_prod = RX_RING_IDX(prod);
4818 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004819 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004820
Michael Chanbb4f98a2008-06-19 16:38:19 -07004821 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4822 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4823 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07004824
Michael Chanbb4f98a2008-06-19 16:38:19 -07004825 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4826 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4827
4828 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004829}
4830
Michael Chan35e90102008-06-19 16:37:42 -07004831static void
4832bnx2_init_all_rings(struct bnx2 *bp)
4833{
4834 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004835 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07004836
4837 bnx2_clear_ring_states(bp);
4838
4839 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4840 for (i = 0; i < bp->num_tx_rings; i++)
4841 bnx2_init_tx_ring(bp, i);
4842
4843 if (bp->num_tx_rings > 1)
4844 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4845 (TX_TSS_CID << 7));
4846
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004847 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4848 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4849
Michael Chanbb4f98a2008-06-19 16:38:19 -07004850 for (i = 0; i < bp->num_rx_rings; i++)
4851 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004852
4853 if (bp->num_rx_rings > 1) {
4854 u32 tbl_32;
4855 u8 *tbl = (u8 *) &tbl_32;
4856
4857 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4858 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4859
4860 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4861 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4862 if ((i % 4) == 3)
4863 bnx2_reg_wr_ind(bp,
4864 BNX2_RXP_SCRATCH_RSS_TBL + i,
4865 cpu_to_be32(tbl_32));
4866 }
4867
4868 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4869 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4870
4871 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4872
4873 }
Michael Chan35e90102008-06-19 16:37:42 -07004874}
4875
Michael Chan5d5d0012007-12-12 11:17:43 -08004876static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004877{
Michael Chan5d5d0012007-12-12 11:17:43 -08004878 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004879
Michael Chan5d5d0012007-12-12 11:17:43 -08004880 while (ring_size > MAX_RX_DESC_CNT) {
4881 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004882 num_rings++;
4883 }
4884 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004885 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004886 while ((max & num_rings) == 0)
4887 max >>= 1;
4888
4889 if (num_rings != max)
4890 max <<= 1;
4891
Michael Chan5d5d0012007-12-12 11:17:43 -08004892 return max;
4893}
4894
4895static void
4896bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4897{
Michael Chan84eaa182007-12-12 11:19:57 -08004898 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004899
4900 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004901 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08004902
Michael Chan84eaa182007-12-12 11:19:57 -08004903 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4904 sizeof(struct skb_shared_info);
4905
Benjamin Li601d3d12008-05-16 22:19:35 -07004906 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004907 bp->rx_pg_ring_size = 0;
4908 bp->rx_max_pg_ring = 0;
4909 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004910 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004911 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4912
4913 jumbo_size = size * pages;
4914 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4915 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4916
4917 bp->rx_pg_ring_size = jumbo_size;
4918 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4919 MAX_RX_PG_RINGS);
4920 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07004921 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08004922 bp->rx_copy_thresh = 0;
4923 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004924
4925 bp->rx_buf_use_size = rx_size;
4926 /* hw alignment */
4927 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004928 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08004929 bp->rx_ring_size = size;
4930 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004931 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4932}
4933
4934static void
Michael Chanb6016b72005-05-26 13:03:09 -07004935bnx2_free_tx_skbs(struct bnx2 *bp)
4936{
4937 int i;
4938
Michael Chan35e90102008-06-19 16:37:42 -07004939 for (i = 0; i < bp->num_tx_rings; i++) {
4940 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4941 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
4942 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004943
Michael Chan35e90102008-06-19 16:37:42 -07004944 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004945 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004946
Michael Chan35e90102008-06-19 16:37:42 -07004947 for (j = 0; j < TX_DESC_CNT; ) {
4948 struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
4949 struct sk_buff *skb = tx_buf->skb;
4950 int k, last;
4951
4952 if (skb == NULL) {
4953 j++;
4954 continue;
4955 }
4956
4957 pci_unmap_single(bp->pdev,
4958 pci_unmap_addr(tx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07004959 skb_headlen(skb), PCI_DMA_TODEVICE);
4960
Michael Chan35e90102008-06-19 16:37:42 -07004961 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004962
Michael Chan35e90102008-06-19 16:37:42 -07004963 last = skb_shinfo(skb)->nr_frags;
4964 for (k = 0; k < last; k++) {
4965 tx_buf = &txr->tx_buf_ring[j + k + 1];
4966 pci_unmap_page(bp->pdev,
4967 pci_unmap_addr(tx_buf, mapping),
4968 skb_shinfo(skb)->frags[j].size,
4969 PCI_DMA_TODEVICE);
4970 }
4971 dev_kfree_skb(skb);
4972 j += k + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004973 }
Michael Chanb6016b72005-05-26 13:03:09 -07004974 }
Michael Chanb6016b72005-05-26 13:03:09 -07004975}
4976
4977static void
4978bnx2_free_rx_skbs(struct bnx2 *bp)
4979{
4980 int i;
4981
Michael Chanbb4f98a2008-06-19 16:38:19 -07004982 for (i = 0; i < bp->num_rx_rings; i++) {
4983 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4984 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4985 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004986
Michael Chanbb4f98a2008-06-19 16:38:19 -07004987 if (rxr->rx_buf_ring == NULL)
4988 return;
Michael Chanb6016b72005-05-26 13:03:09 -07004989
Michael Chanbb4f98a2008-06-19 16:38:19 -07004990 for (j = 0; j < bp->rx_max_ring_idx; j++) {
4991 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
4992 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07004993
Michael Chanbb4f98a2008-06-19 16:38:19 -07004994 if (skb == NULL)
4995 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004996
Michael Chanbb4f98a2008-06-19 16:38:19 -07004997 pci_unmap_single(bp->pdev,
4998 pci_unmap_addr(rx_buf, mapping),
4999 bp->rx_buf_use_size,
5000 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005001
Michael Chanbb4f98a2008-06-19 16:38:19 -07005002 rx_buf->skb = NULL;
5003
5004 dev_kfree_skb(skb);
5005 }
5006 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5007 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005008 }
5009}
5010
5011static void
5012bnx2_free_skbs(struct bnx2 *bp)
5013{
5014 bnx2_free_tx_skbs(bp);
5015 bnx2_free_rx_skbs(bp);
5016}
5017
5018static int
5019bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5020{
5021 int rc;
5022
5023 rc = bnx2_reset_chip(bp, reset_code);
5024 bnx2_free_skbs(bp);
5025 if (rc)
5026 return rc;
5027
Michael Chanfba9fe92006-06-12 22:21:25 -07005028 if ((rc = bnx2_init_chip(bp)) != 0)
5029 return rc;
5030
Michael Chan35e90102008-06-19 16:37:42 -07005031 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005032 return 0;
5033}
5034
5035static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005036bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005037{
5038 int rc;
5039
5040 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5041 return rc;
5042
Michael Chan80be4432006-11-19 14:07:28 -08005043 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005044 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005045 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005046 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5047 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005048 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005049 return 0;
5050}
5051
5052static int
5053bnx2_test_registers(struct bnx2 *bp)
5054{
5055 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005056 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005057 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005058 u16 offset;
5059 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005060#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005061 u32 rw_mask;
5062 u32 ro_mask;
5063 } reg_tbl[] = {
5064 { 0x006c, 0, 0x00000000, 0x0000003f },
5065 { 0x0090, 0, 0xffffffff, 0x00000000 },
5066 { 0x0094, 0, 0x00000000, 0x00000000 },
5067
Michael Chan5bae30c2007-05-03 13:18:46 -07005068 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5069 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5070 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5071 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5072 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5073 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5074 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5075 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5076 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005077
Michael Chan5bae30c2007-05-03 13:18:46 -07005078 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5079 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5080 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5081 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5082 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5083 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005084
Michael Chan5bae30c2007-05-03 13:18:46 -07005085 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5086 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5087 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005088
5089 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005090 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005091
5092 { 0x1408, 0, 0x01c00800, 0x00000000 },
5093 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5094 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005095 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005096 { 0x14b0, 0, 0x00000002, 0x00000001 },
5097 { 0x14b8, 0, 0x00000000, 0x00000000 },
5098 { 0x14c0, 0, 0x00000000, 0x00000009 },
5099 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5100 { 0x14cc, 0, 0x00000000, 0x00000001 },
5101 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005102
5103 { 0x1800, 0, 0x00000000, 0x00000001 },
5104 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005105
5106 { 0x2800, 0, 0x00000000, 0x00000001 },
5107 { 0x2804, 0, 0x00000000, 0x00003f01 },
5108 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5109 { 0x2810, 0, 0xffff0000, 0x00000000 },
5110 { 0x2814, 0, 0xffff0000, 0x00000000 },
5111 { 0x2818, 0, 0xffff0000, 0x00000000 },
5112 { 0x281c, 0, 0xffff0000, 0x00000000 },
5113 { 0x2834, 0, 0xffffffff, 0x00000000 },
5114 { 0x2840, 0, 0x00000000, 0xffffffff },
5115 { 0x2844, 0, 0x00000000, 0xffffffff },
5116 { 0x2848, 0, 0xffffffff, 0x00000000 },
5117 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5118
5119 { 0x2c00, 0, 0x00000000, 0x00000011 },
5120 { 0x2c04, 0, 0x00000000, 0x00030007 },
5121
Michael Chanb6016b72005-05-26 13:03:09 -07005122 { 0x3c00, 0, 0x00000000, 0x00000001 },
5123 { 0x3c04, 0, 0x00000000, 0x00070000 },
5124 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5125 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5126 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5127 { 0x3c14, 0, 0x00000000, 0xffffffff },
5128 { 0x3c18, 0, 0x00000000, 0xffffffff },
5129 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5130 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005131
5132 { 0x5004, 0, 0x00000000, 0x0000007f },
5133 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005134
Michael Chanb6016b72005-05-26 13:03:09 -07005135 { 0x5c00, 0, 0x00000000, 0x00000001 },
5136 { 0x5c04, 0, 0x00000000, 0x0003000f },
5137 { 0x5c08, 0, 0x00000003, 0x00000000 },
5138 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5139 { 0x5c10, 0, 0x00000000, 0xffffffff },
5140 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5141 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5142 { 0x5c88, 0, 0x00000000, 0x00077373 },
5143 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5144
5145 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5146 { 0x680c, 0, 0xffffffff, 0x00000000 },
5147 { 0x6810, 0, 0xffffffff, 0x00000000 },
5148 { 0x6814, 0, 0xffffffff, 0x00000000 },
5149 { 0x6818, 0, 0xffffffff, 0x00000000 },
5150 { 0x681c, 0, 0xffffffff, 0x00000000 },
5151 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5152 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5153 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5154 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5155 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5156 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5157 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5158 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5159 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5160 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5161 { 0x684c, 0, 0xffffffff, 0x00000000 },
5162 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5163 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5164 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5165 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5166 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5167 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5168
5169 { 0xffff, 0, 0x00000000, 0x00000000 },
5170 };
5171
5172 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005173 is_5709 = 0;
5174 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5175 is_5709 = 1;
5176
Michael Chanb6016b72005-05-26 13:03:09 -07005177 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5178 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005179 u16 flags = reg_tbl[i].flags;
5180
5181 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5182 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005183
5184 offset = (u32) reg_tbl[i].offset;
5185 rw_mask = reg_tbl[i].rw_mask;
5186 ro_mask = reg_tbl[i].ro_mask;
5187
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005188 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005189
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005190 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005191
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005192 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005193 if ((val & rw_mask) != 0) {
5194 goto reg_test_err;
5195 }
5196
5197 if ((val & ro_mask) != (save_val & ro_mask)) {
5198 goto reg_test_err;
5199 }
5200
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005201 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005202
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005203 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005204 if ((val & rw_mask) != rw_mask) {
5205 goto reg_test_err;
5206 }
5207
5208 if ((val & ro_mask) != (save_val & ro_mask)) {
5209 goto reg_test_err;
5210 }
5211
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005212 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005213 continue;
5214
5215reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005216 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005217 ret = -ENODEV;
5218 break;
5219 }
5220 return ret;
5221}
5222
5223static int
5224bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5225{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005226 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005227 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5228 int i;
5229
5230 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5231 u32 offset;
5232
5233 for (offset = 0; offset < size; offset += 4) {
5234
Michael Chan2726d6e2008-01-29 21:35:05 -08005235 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005236
Michael Chan2726d6e2008-01-29 21:35:05 -08005237 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005238 test_pattern[i]) {
5239 return -ENODEV;
5240 }
5241 }
5242 }
5243 return 0;
5244}
5245
5246static int
5247bnx2_test_memory(struct bnx2 *bp)
5248{
5249 int ret = 0;
5250 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005251 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005252 u32 offset;
5253 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005254 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005255 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005256 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005257 { 0xe0000, 0x4000 },
5258 { 0x120000, 0x4000 },
5259 { 0x1a0000, 0x4000 },
5260 { 0x160000, 0x4000 },
5261 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005262 },
5263 mem_tbl_5709[] = {
5264 { 0x60000, 0x4000 },
5265 { 0xa0000, 0x3000 },
5266 { 0xe0000, 0x4000 },
5267 { 0x120000, 0x4000 },
5268 { 0x1a0000, 0x4000 },
5269 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005270 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005271 struct mem_entry *mem_tbl;
5272
5273 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5274 mem_tbl = mem_tbl_5709;
5275 else
5276 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005277
5278 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5279 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5280 mem_tbl[i].len)) != 0) {
5281 return ret;
5282 }
5283 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005284
Michael Chanb6016b72005-05-26 13:03:09 -07005285 return ret;
5286}
5287
Michael Chanbc5a0692006-01-23 16:13:22 -08005288#define BNX2_MAC_LOOPBACK 0
5289#define BNX2_PHY_LOOPBACK 1
5290
Michael Chanb6016b72005-05-26 13:03:09 -07005291static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005292bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005293{
5294 unsigned int pkt_size, num_pkts, i;
5295 struct sk_buff *skb, *rx_skb;
5296 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005297 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005298 dma_addr_t map;
5299 struct tx_bd *txbd;
5300 struct sw_bd *rx_buf;
5301 struct l2_fhdr *rx_hdr;
5302 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005303 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005304 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005305 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005306
5307 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005308
Michael Chan35e90102008-06-19 16:37:42 -07005309 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005310 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005311 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5312 bp->loopback = MAC_LOOPBACK;
5313 bnx2_set_mac_loopback(bp);
5314 }
5315 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005316 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005317 return 0;
5318
Michael Chan80be4432006-11-19 14:07:28 -08005319 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005320 bnx2_set_phy_loopback(bp);
5321 }
5322 else
5323 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005324
Michael Chan84eaa182007-12-12 11:19:57 -08005325 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005326 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005327 if (!skb)
5328 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005329 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005330 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005331 memset(packet + 6, 0x0, 8);
5332 for (i = 14; i < pkt_size; i++)
5333 packet[i] = (unsigned char) (i & 0xff);
5334
5335 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5336 PCI_DMA_TODEVICE);
5337
Michael Chanbf5295b2006-03-23 01:11:56 -08005338 REG_WR(bp, BNX2_HC_COMMAND,
5339 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5340
Michael Chanb6016b72005-05-26 13:03:09 -07005341 REG_RD(bp, BNX2_HC_COMMAND);
5342
5343 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005344 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005345
Michael Chanb6016b72005-05-26 13:03:09 -07005346 num_pkts = 0;
5347
Michael Chan35e90102008-06-19 16:37:42 -07005348 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005349
5350 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5351 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5352 txbd->tx_bd_mss_nbytes = pkt_size;
5353 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5354
5355 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005356 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5357 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005358
Michael Chan35e90102008-06-19 16:37:42 -07005359 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5360 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005361
5362 udelay(100);
5363
Michael Chanbf5295b2006-03-23 01:11:56 -08005364 REG_WR(bp, BNX2_HC_COMMAND,
5365 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5366
Michael Chanb6016b72005-05-26 13:03:09 -07005367 REG_RD(bp, BNX2_HC_COMMAND);
5368
5369 udelay(5);
5370
5371 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005372 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005373
Michael Chan35e90102008-06-19 16:37:42 -07005374 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005375 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005376
Michael Chan35efa7c2007-12-20 19:56:37 -08005377 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005378 if (rx_idx != rx_start_idx + num_pkts) {
5379 goto loopback_test_done;
5380 }
5381
Michael Chanbb4f98a2008-06-19 16:38:19 -07005382 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005383 rx_skb = rx_buf->skb;
5384
5385 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005386 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005387
5388 pci_dma_sync_single_for_cpu(bp->pdev,
5389 pci_unmap_addr(rx_buf, mapping),
5390 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5391
Michael Chanade2bfe2006-01-23 16:09:51 -08005392 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005393 (L2_FHDR_ERRORS_BAD_CRC |
5394 L2_FHDR_ERRORS_PHY_DECODE |
5395 L2_FHDR_ERRORS_ALIGNMENT |
5396 L2_FHDR_ERRORS_TOO_SHORT |
5397 L2_FHDR_ERRORS_GIANT_FRAME)) {
5398
5399 goto loopback_test_done;
5400 }
5401
5402 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5403 goto loopback_test_done;
5404 }
5405
5406 for (i = 14; i < pkt_size; i++) {
5407 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5408 goto loopback_test_done;
5409 }
5410 }
5411
5412 ret = 0;
5413
5414loopback_test_done:
5415 bp->loopback = 0;
5416 return ret;
5417}
5418
Michael Chanbc5a0692006-01-23 16:13:22 -08005419#define BNX2_MAC_LOOPBACK_FAILED 1
5420#define BNX2_PHY_LOOPBACK_FAILED 2
5421#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5422 BNX2_PHY_LOOPBACK_FAILED)
5423
5424static int
5425bnx2_test_loopback(struct bnx2 *bp)
5426{
5427 int rc = 0;
5428
5429 if (!netif_running(bp->dev))
5430 return BNX2_LOOPBACK_FAILED;
5431
5432 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5433 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005434 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005435 spin_unlock_bh(&bp->phy_lock);
5436 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5437 rc |= BNX2_MAC_LOOPBACK_FAILED;
5438 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5439 rc |= BNX2_PHY_LOOPBACK_FAILED;
5440 return rc;
5441}
5442
Michael Chanb6016b72005-05-26 13:03:09 -07005443#define NVRAM_SIZE 0x200
5444#define CRC32_RESIDUAL 0xdebb20e3
5445
5446static int
5447bnx2_test_nvram(struct bnx2 *bp)
5448{
Al Virob491edd2007-12-22 19:44:51 +00005449 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005450 u8 *data = (u8 *) buf;
5451 int rc = 0;
5452 u32 magic, csum;
5453
5454 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5455 goto test_nvram_done;
5456
5457 magic = be32_to_cpu(buf[0]);
5458 if (magic != 0x669955aa) {
5459 rc = -ENODEV;
5460 goto test_nvram_done;
5461 }
5462
5463 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5464 goto test_nvram_done;
5465
5466 csum = ether_crc_le(0x100, data);
5467 if (csum != CRC32_RESIDUAL) {
5468 rc = -ENODEV;
5469 goto test_nvram_done;
5470 }
5471
5472 csum = ether_crc_le(0x100, data + 0x100);
5473 if (csum != CRC32_RESIDUAL) {
5474 rc = -ENODEV;
5475 }
5476
5477test_nvram_done:
5478 return rc;
5479}
5480
5481static int
5482bnx2_test_link(struct bnx2 *bp)
5483{
5484 u32 bmsr;
5485
Michael Chan583c28e2008-01-21 19:51:35 -08005486 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005487 if (bp->link_up)
5488 return 0;
5489 return -ENODEV;
5490 }
Michael Chanc770a652005-08-25 15:38:39 -07005491 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005492 bnx2_enable_bmsr1(bp);
5493 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5494 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5495 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005496 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005497
Michael Chanb6016b72005-05-26 13:03:09 -07005498 if (bmsr & BMSR_LSTATUS) {
5499 return 0;
5500 }
5501 return -ENODEV;
5502}
5503
5504static int
5505bnx2_test_intr(struct bnx2 *bp)
5506{
5507 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005508 u16 status_idx;
5509
5510 if (!netif_running(bp->dev))
5511 return -ENODEV;
5512
5513 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5514
5515 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005516 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005517 REG_RD(bp, BNX2_HC_COMMAND);
5518
5519 for (i = 0; i < 10; i++) {
5520 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5521 status_idx) {
5522
5523 break;
5524 }
5525
5526 msleep_interruptible(10);
5527 }
5528 if (i < 10)
5529 return 0;
5530
5531 return -ENODEV;
5532}
5533
Michael Chan38ea3682008-02-23 19:48:57 -08005534/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005535static int
5536bnx2_5706_serdes_has_link(struct bnx2 *bp)
5537{
5538 u32 mode_ctl, an_dbg, exp;
5539
Michael Chan38ea3682008-02-23 19:48:57 -08005540 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5541 return 0;
5542
Michael Chanb2fadea2008-01-21 17:07:06 -08005543 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5544 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5545
5546 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5547 return 0;
5548
5549 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5550 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5551 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5552
Michael Chanf3014c02008-01-29 21:33:03 -08005553 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005554 return 0;
5555
5556 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5557 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5558 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5559
5560 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5561 return 0;
5562
5563 return 1;
5564}
5565
Michael Chanb6016b72005-05-26 13:03:09 -07005566static void
Michael Chan48b01e22006-11-19 14:08:00 -08005567bnx2_5706_serdes_timer(struct bnx2 *bp)
5568{
Michael Chanb2fadea2008-01-21 17:07:06 -08005569 int check_link = 1;
5570
Michael Chan48b01e22006-11-19 14:08:00 -08005571 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005572 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005573 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005574 check_link = 0;
5575 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005576 u32 bmcr;
5577
5578 bp->current_interval = bp->timer_interval;
5579
Michael Chanca58c3a2007-05-03 13:22:52 -07005580 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005581
5582 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005583 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005584 bmcr &= ~BMCR_ANENABLE;
5585 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005586 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005587 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005588 }
5589 }
5590 }
5591 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005592 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005593 u32 phy2;
5594
5595 bnx2_write_phy(bp, 0x17, 0x0f01);
5596 bnx2_read_phy(bp, 0x15, &phy2);
5597 if (phy2 & 0x20) {
5598 u32 bmcr;
5599
Michael Chanca58c3a2007-05-03 13:22:52 -07005600 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005601 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005602 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005603
Michael Chan583c28e2008-01-21 19:51:35 -08005604 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005605 }
5606 } else
5607 bp->current_interval = bp->timer_interval;
5608
Michael Chana2724e22008-02-23 19:47:44 -08005609 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005610 u32 val;
5611
5612 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5613 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5614 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5615
Michael Chana2724e22008-02-23 19:47:44 -08005616 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5617 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5618 bnx2_5706s_force_link_dn(bp, 1);
5619 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5620 } else
5621 bnx2_set_link(bp);
5622 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5623 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005624 }
Michael Chan48b01e22006-11-19 14:08:00 -08005625 spin_unlock(&bp->phy_lock);
5626}
5627
5628static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005629bnx2_5708_serdes_timer(struct bnx2 *bp)
5630{
Michael Chan583c28e2008-01-21 19:51:35 -08005631 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005632 return;
5633
Michael Chan583c28e2008-01-21 19:51:35 -08005634 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005635 bp->serdes_an_pending = 0;
5636 return;
5637 }
5638
5639 spin_lock(&bp->phy_lock);
5640 if (bp->serdes_an_pending)
5641 bp->serdes_an_pending--;
5642 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5643 u32 bmcr;
5644
Michael Chanca58c3a2007-05-03 13:22:52 -07005645 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005646 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005647 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005648 bp->current_interval = SERDES_FORCED_TIMEOUT;
5649 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005650 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005651 bp->serdes_an_pending = 2;
5652 bp->current_interval = bp->timer_interval;
5653 }
5654
5655 } else
5656 bp->current_interval = bp->timer_interval;
5657
5658 spin_unlock(&bp->phy_lock);
5659}
5660
5661static void
Michael Chanb6016b72005-05-26 13:03:09 -07005662bnx2_timer(unsigned long data)
5663{
5664 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005665
Michael Chancd339a02005-08-25 15:35:24 -07005666 if (!netif_running(bp->dev))
5667 return;
5668
Michael Chanb6016b72005-05-26 13:03:09 -07005669 if (atomic_read(&bp->intr_sem) != 0)
5670 goto bnx2_restart_timer;
5671
Michael Chandf149d72007-07-07 22:51:36 -07005672 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005673
Michael Chan2726d6e2008-01-29 21:35:05 -08005674 bp->stats_blk->stat_FwRxDrop =
5675 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005676
Michael Chan02537b062007-06-04 21:24:07 -07005677 /* workaround occasional corrupted counters */
5678 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5679 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5680 BNX2_HC_COMMAND_STATS_NOW);
5681
Michael Chan583c28e2008-01-21 19:51:35 -08005682 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005683 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5684 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005685 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005686 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005687 }
5688
5689bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005690 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005691}
5692
Michael Chan8e6a72c2007-05-03 13:24:48 -07005693static int
5694bnx2_request_irq(struct bnx2 *bp)
5695{
Michael Chan6d866ff2007-12-20 19:56:09 -08005696 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005697 struct bnx2_irq *irq;
5698 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005699
David S. Millerf86e82f2008-01-21 17:15:40 -08005700 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005701 flags = 0;
5702 else
5703 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005704
5705 for (i = 0; i < bp->irq_nvecs; i++) {
5706 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005707 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07005708 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005709 if (rc)
5710 break;
5711 irq->requested = 1;
5712 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005713 return rc;
5714}
5715
5716static void
5717bnx2_free_irq(struct bnx2 *bp)
5718{
Michael Chanb4b36042007-12-20 19:59:30 -08005719 struct bnx2_irq *irq;
5720 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005721
Michael Chanb4b36042007-12-20 19:59:30 -08005722 for (i = 0; i < bp->irq_nvecs; i++) {
5723 irq = &bp->irq_tbl[i];
5724 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07005725 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005726 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005727 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005728 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005729 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005730 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005731 pci_disable_msix(bp->pdev);
5732
David S. Millerf86e82f2008-01-21 17:15:40 -08005733 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005734}
5735
5736static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005737bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08005738{
Michael Chan57851d82007-12-20 20:01:44 -08005739 int i, rc;
5740 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5741
Michael Chanb4b36042007-12-20 19:59:30 -08005742 bnx2_setup_msix_tbl(bp);
5743 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5744 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5745 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005746
5747 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5748 msix_ent[i].entry = i;
5749 msix_ent[i].vector = 0;
Michael Chan35e90102008-06-19 16:37:42 -07005750
5751 strcpy(bp->irq_tbl[i].name, bp->dev->name);
Michael Chanf0ea2e62008-06-19 16:41:57 -07005752 bp->irq_tbl[i].handler = bnx2_msi_1shot;
Michael Chan57851d82007-12-20 20:01:44 -08005753 }
5754
5755 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5756 if (rc != 0)
5757 return;
5758
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005759 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08005760 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005761 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5762 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005763}
5764
5765static void
5766bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5767{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005768 int cpus = num_online_cpus();
5769 int msix_vecs = min(cpus + 1, RX_MAX_RSS_RINGS);
5770
Michael Chan6d866ff2007-12-20 19:56:09 -08005771 bp->irq_tbl[0].handler = bnx2_interrupt;
5772 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005773 bp->irq_nvecs = 1;
5774 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005775
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005776 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5777 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08005778
David S. Millerf86e82f2008-01-21 17:15:40 -08005779 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5780 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005781 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005782 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005783 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005784 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005785 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5786 } else
5787 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005788
5789 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005790 }
5791 }
Michael Chan35e90102008-06-19 16:37:42 -07005792 bp->num_tx_rings = 1;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005793 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005794}
5795
Michael Chanb6016b72005-05-26 13:03:09 -07005796/* Called with rtnl_lock */
5797static int
5798bnx2_open(struct net_device *dev)
5799{
Michael Chan972ec0d2006-01-23 16:12:43 -08005800 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005801 int rc;
5802
Michael Chan1b2f9222007-05-03 13:20:19 -07005803 netif_carrier_off(dev);
5804
Pavel Machek829ca9a2005-09-03 15:56:56 -07005805 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005806 bnx2_disable_int(bp);
5807
Michael Chan6d866ff2007-12-20 19:56:09 -08005808 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005809 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07005810 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005811 if (rc)
5812 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07005813
Michael Chan8e6a72c2007-05-03 13:24:48 -07005814 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005815 if (rc)
5816 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005817
Michael Chan9a120bc2008-05-16 22:17:45 -07005818 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07005819 if (rc)
5820 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005821
Michael Chancd339a02005-08-25 15:35:24 -07005822 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005823
5824 atomic_set(&bp->intr_sem, 0);
5825
5826 bnx2_enable_int(bp);
5827
David S. Millerf86e82f2008-01-21 17:15:40 -08005828 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005829 /* Test MSI to make sure it is working
5830 * If MSI test fails, go back to INTx mode
5831 */
5832 if (bnx2_test_intr(bp) != 0) {
5833 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5834 " using MSI, switching to INTx mode. Please"
5835 " report this failure to the PCI maintainer"
5836 " and include system chipset information.\n",
5837 bp->dev->name);
5838
5839 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005840 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005841
Michael Chan6d866ff2007-12-20 19:56:09 -08005842 bnx2_setup_int_mode(bp, 1);
5843
Michael Chan9a120bc2008-05-16 22:17:45 -07005844 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005845
Michael Chan8e6a72c2007-05-03 13:24:48 -07005846 if (!rc)
5847 rc = bnx2_request_irq(bp);
5848
Michael Chanb6016b72005-05-26 13:03:09 -07005849 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07005850 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07005851 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005852 }
5853 bnx2_enable_int(bp);
5854 }
5855 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005856 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005857 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005858 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005859 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005860
5861 netif_start_queue(dev);
5862
5863 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07005864
5865open_err:
5866 bnx2_napi_disable(bp);
5867 bnx2_free_skbs(bp);
5868 bnx2_free_irq(bp);
5869 bnx2_free_mem(bp);
5870 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005871}
5872
5873static void
David Howellsc4028952006-11-22 14:57:56 +00005874bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005875{
David Howellsc4028952006-11-22 14:57:56 +00005876 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005877
Michael Chanafdc08b2005-08-25 15:34:29 -07005878 if (!netif_running(bp->dev))
5879 return;
5880
Michael Chanb6016b72005-05-26 13:03:09 -07005881 bnx2_netif_stop(bp);
5882
Michael Chan9a120bc2008-05-16 22:17:45 -07005883 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07005884
5885 atomic_set(&bp->intr_sem, 1);
5886 bnx2_netif_start(bp);
5887}
5888
5889static void
5890bnx2_tx_timeout(struct net_device *dev)
5891{
Michael Chan972ec0d2006-01-23 16:12:43 -08005892 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005893
5894 /* This allows the netif to be shutdown gracefully before resetting */
5895 schedule_work(&bp->reset_task);
5896}
5897
5898#ifdef BCM_VLAN
5899/* Called with rtnl_lock */
5900static void
5901bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5902{
Michael Chan972ec0d2006-01-23 16:12:43 -08005903 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005904
5905 bnx2_netif_stop(bp);
5906
5907 bp->vlgrp = vlgrp;
5908 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07005909 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
5910 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07005911
5912 bnx2_netif_start(bp);
5913}
Michael Chanb6016b72005-05-26 13:03:09 -07005914#endif
5915
Herbert Xu932ff272006-06-09 12:20:56 -07005916/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005917 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5918 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005919 */
5920static int
5921bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5922{
Michael Chan972ec0d2006-01-23 16:12:43 -08005923 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005924 dma_addr_t mapping;
5925 struct tx_bd *txbd;
5926 struct sw_bd *tx_buf;
5927 u32 len, vlan_tag_flags, last_frag, mss;
5928 u16 prod, ring_prod;
5929 int i;
Michael Chan35e90102008-06-19 16:37:42 -07005930 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
5931 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07005932
Michael Chan35e90102008-06-19 16:37:42 -07005933 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08005934 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005935 netif_stop_queue(dev);
5936 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5937 dev->name);
5938
5939 return NETDEV_TX_BUSY;
5940 }
5941 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07005942 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005943 ring_prod = TX_RING_IDX(prod);
5944
5945 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005946 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005947 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5948 }
5949
Al Viro79ea13c2008-01-24 02:06:46 -08005950 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005951 vlan_tag_flags |=
5952 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5953 }
Michael Chanfde82052007-05-03 17:23:35 -07005954 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005955 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005956 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005957
Michael Chanb6016b72005-05-26 13:03:09 -07005958 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5959
Michael Chan4666f872007-05-03 13:22:28 -07005960 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005961
Michael Chan4666f872007-05-03 13:22:28 -07005962 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5963 u32 tcp_off = skb_transport_offset(skb) -
5964 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005965
Michael Chan4666f872007-05-03 13:22:28 -07005966 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5967 TX_BD_FLAGS_SW_FLAGS;
5968 if (likely(tcp_off == 0))
5969 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5970 else {
5971 tcp_off >>= 3;
5972 vlan_tag_flags |= ((tcp_off & 0x3) <<
5973 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5974 ((tcp_off & 0x10) <<
5975 TX_BD_FLAGS_TCP6_OFF4_SHL);
5976 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5977 }
5978 } else {
5979 if (skb_header_cloned(skb) &&
5980 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5981 dev_kfree_skb(skb);
5982 return NETDEV_TX_OK;
5983 }
5984
5985 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5986
5987 iph = ip_hdr(skb);
5988 iph->check = 0;
5989 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5990 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5991 iph->daddr, 0,
5992 IPPROTO_TCP,
5993 0);
5994 if (tcp_opt_len || (iph->ihl > 5)) {
5995 vlan_tag_flags |= ((iph->ihl - 5) +
5996 (tcp_opt_len >> 2)) << 8;
5997 }
Michael Chanb6016b72005-05-26 13:03:09 -07005998 }
Michael Chan4666f872007-05-03 13:22:28 -07005999 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006000 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006001
6002 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006003
Michael Chan35e90102008-06-19 16:37:42 -07006004 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006005 tx_buf->skb = skb;
6006 pci_unmap_addr_set(tx_buf, mapping, mapping);
6007
Michael Chan35e90102008-06-19 16:37:42 -07006008 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006009
6010 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6011 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6012 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6013 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6014
6015 last_frag = skb_shinfo(skb)->nr_frags;
6016
6017 for (i = 0; i < last_frag; i++) {
6018 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6019
6020 prod = NEXT_TX_BD(prod);
6021 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006022 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006023
6024 len = frag->size;
6025 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6026 len, PCI_DMA_TODEVICE);
Michael Chan35e90102008-06-19 16:37:42 -07006027 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
Michael Chanb6016b72005-05-26 13:03:09 -07006028 mapping, mapping);
6029
6030 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6031 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6032 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6033 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6034
6035 }
6036 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6037
6038 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006039 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006040
Michael Chan35e90102008-06-19 16:37:42 -07006041 REG_WR16(bp, txr->tx_bidx_addr, prod);
6042 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006043
6044 mmiowb();
6045
Michael Chan35e90102008-06-19 16:37:42 -07006046 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006047 dev->trans_start = jiffies;
6048
Michael Chan35e90102008-06-19 16:37:42 -07006049 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07006050 netif_stop_queue(dev);
Michael Chan35e90102008-06-19 16:37:42 -07006051 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07006052 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006053 }
6054
6055 return NETDEV_TX_OK;
6056}
6057
6058/* Called with rtnl_lock */
6059static int
6060bnx2_close(struct net_device *dev)
6061{
Michael Chan972ec0d2006-01-23 16:12:43 -08006062 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006063 u32 reset_code;
6064
David S. Miller4bb073c2008-06-12 02:22:02 -07006065 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006066
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006067 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006068 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006069 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08006070 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07006071 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08006072 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07006073 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6074 else
6075 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6076 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006077 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006078 bnx2_free_skbs(bp);
6079 bnx2_free_mem(bp);
6080 bp->link_up = 0;
6081 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006082 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006083 return 0;
6084}
6085
6086#define GET_NET_STATS64(ctr) \
6087 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6088 (unsigned long) (ctr##_lo)
6089
6090#define GET_NET_STATS32(ctr) \
6091 (ctr##_lo)
6092
6093#if (BITS_PER_LONG == 64)
6094#define GET_NET_STATS GET_NET_STATS64
6095#else
6096#define GET_NET_STATS GET_NET_STATS32
6097#endif
6098
6099static struct net_device_stats *
6100bnx2_get_stats(struct net_device *dev)
6101{
Michael Chan972ec0d2006-01-23 16:12:43 -08006102 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006103 struct statistics_block *stats_blk = bp->stats_blk;
6104 struct net_device_stats *net_stats = &bp->net_stats;
6105
6106 if (bp->stats_blk == NULL) {
6107 return net_stats;
6108 }
6109 net_stats->rx_packets =
6110 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6111 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6112 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6113
6114 net_stats->tx_packets =
6115 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6116 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6117 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6118
6119 net_stats->rx_bytes =
6120 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6121
6122 net_stats->tx_bytes =
6123 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6124
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006125 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07006126 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6127
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006128 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07006129 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6130
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006131 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006132 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6133 stats_blk->stat_EtherStatsOverrsizePkts);
6134
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006135 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006136 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6137
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006138 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006139 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6140
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006141 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006142 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6143
6144 net_stats->rx_errors = net_stats->rx_length_errors +
6145 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6146 net_stats->rx_crc_errors;
6147
6148 net_stats->tx_aborted_errors =
6149 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6150 stats_blk->stat_Dot3StatsLateCollisions);
6151
Michael Chan5b0c76a2005-11-04 08:45:49 -08006152 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6153 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006154 net_stats->tx_carrier_errors = 0;
6155 else {
6156 net_stats->tx_carrier_errors =
6157 (unsigned long)
6158 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6159 }
6160
6161 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006162 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006163 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6164 +
6165 net_stats->tx_aborted_errors +
6166 net_stats->tx_carrier_errors;
6167
Michael Chancea94db2006-06-12 22:16:13 -07006168 net_stats->rx_missed_errors =
6169 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6170 stats_blk->stat_FwRxDrop);
6171
Michael Chanb6016b72005-05-26 13:03:09 -07006172 return net_stats;
6173}
6174
6175/* All ethtool functions called with rtnl_lock */
6176
6177static int
6178bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6179{
Michael Chan972ec0d2006-01-23 16:12:43 -08006180 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006181 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006182
6183 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006184 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006185 support_serdes = 1;
6186 support_copper = 1;
6187 } else if (bp->phy_port == PORT_FIBRE)
6188 support_serdes = 1;
6189 else
6190 support_copper = 1;
6191
6192 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006193 cmd->supported |= SUPPORTED_1000baseT_Full |
6194 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006195 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006196 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006197
Michael Chanb6016b72005-05-26 13:03:09 -07006198 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006199 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006200 cmd->supported |= SUPPORTED_10baseT_Half |
6201 SUPPORTED_10baseT_Full |
6202 SUPPORTED_100baseT_Half |
6203 SUPPORTED_100baseT_Full |
6204 SUPPORTED_1000baseT_Full |
6205 SUPPORTED_TP;
6206
Michael Chanb6016b72005-05-26 13:03:09 -07006207 }
6208
Michael Chan7b6b8342007-07-07 22:50:15 -07006209 spin_lock_bh(&bp->phy_lock);
6210 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006211 cmd->advertising = bp->advertising;
6212
6213 if (bp->autoneg & AUTONEG_SPEED) {
6214 cmd->autoneg = AUTONEG_ENABLE;
6215 }
6216 else {
6217 cmd->autoneg = AUTONEG_DISABLE;
6218 }
6219
6220 if (netif_carrier_ok(dev)) {
6221 cmd->speed = bp->line_speed;
6222 cmd->duplex = bp->duplex;
6223 }
6224 else {
6225 cmd->speed = -1;
6226 cmd->duplex = -1;
6227 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006228 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006229
6230 cmd->transceiver = XCVR_INTERNAL;
6231 cmd->phy_address = bp->phy_addr;
6232
6233 return 0;
6234}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006235
Michael Chanb6016b72005-05-26 13:03:09 -07006236static int
6237bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6238{
Michael Chan972ec0d2006-01-23 16:12:43 -08006239 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006240 u8 autoneg = bp->autoneg;
6241 u8 req_duplex = bp->req_duplex;
6242 u16 req_line_speed = bp->req_line_speed;
6243 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006244 int err = -EINVAL;
6245
6246 spin_lock_bh(&bp->phy_lock);
6247
6248 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6249 goto err_out_unlock;
6250
Michael Chan583c28e2008-01-21 19:51:35 -08006251 if (cmd->port != bp->phy_port &&
6252 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006253 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006254
Michael Chand6b14482008-07-14 22:37:21 -07006255 /* If device is down, we can store the settings only if the user
6256 * is setting the currently active port.
6257 */
6258 if (!netif_running(dev) && cmd->port != bp->phy_port)
6259 goto err_out_unlock;
6260
Michael Chanb6016b72005-05-26 13:03:09 -07006261 if (cmd->autoneg == AUTONEG_ENABLE) {
6262 autoneg |= AUTONEG_SPEED;
6263
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006264 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006265
6266 /* allow advertising 1 speed */
6267 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6268 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6269 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6270 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6271
Michael Chan7b6b8342007-07-07 22:50:15 -07006272 if (cmd->port == PORT_FIBRE)
6273 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006274
6275 advertising = cmd->advertising;
6276
Michael Chan27a005b2007-05-03 13:23:41 -07006277 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006278 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006279 (cmd->port == PORT_TP))
6280 goto err_out_unlock;
6281 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006282 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006283 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6284 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006285 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006286 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006287 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006288 else
Michael Chanb6016b72005-05-26 13:03:09 -07006289 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006290 }
6291 advertising |= ADVERTISED_Autoneg;
6292 }
6293 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006294 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006295 if ((cmd->speed != SPEED_1000 &&
6296 cmd->speed != SPEED_2500) ||
6297 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006298 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006299
6300 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006301 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006302 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006303 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006304 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6305 goto err_out_unlock;
6306
Michael Chanb6016b72005-05-26 13:03:09 -07006307 autoneg &= ~AUTONEG_SPEED;
6308 req_line_speed = cmd->speed;
6309 req_duplex = cmd->duplex;
6310 advertising = 0;
6311 }
6312
6313 bp->autoneg = autoneg;
6314 bp->advertising = advertising;
6315 bp->req_line_speed = req_line_speed;
6316 bp->req_duplex = req_duplex;
6317
Michael Chand6b14482008-07-14 22:37:21 -07006318 err = 0;
6319 /* If device is down, the new settings will be picked up when it is
6320 * brought up.
6321 */
6322 if (netif_running(dev))
6323 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006324
Michael Chan7b6b8342007-07-07 22:50:15 -07006325err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006326 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006327
Michael Chan7b6b8342007-07-07 22:50:15 -07006328 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006329}
6330
6331static void
6332bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6333{
Michael Chan972ec0d2006-01-23 16:12:43 -08006334 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006335
6336 strcpy(info->driver, DRV_MODULE_NAME);
6337 strcpy(info->version, DRV_MODULE_VERSION);
6338 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006339 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006340}
6341
Michael Chan244ac4f2006-03-20 17:48:46 -08006342#define BNX2_REGDUMP_LEN (32 * 1024)
6343
6344static int
6345bnx2_get_regs_len(struct net_device *dev)
6346{
6347 return BNX2_REGDUMP_LEN;
6348}
6349
6350static void
6351bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6352{
6353 u32 *p = _p, i, offset;
6354 u8 *orig_p = _p;
6355 struct bnx2 *bp = netdev_priv(dev);
6356 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6357 0x0800, 0x0880, 0x0c00, 0x0c10,
6358 0x0c30, 0x0d08, 0x1000, 0x101c,
6359 0x1040, 0x1048, 0x1080, 0x10a4,
6360 0x1400, 0x1490, 0x1498, 0x14f0,
6361 0x1500, 0x155c, 0x1580, 0x15dc,
6362 0x1600, 0x1658, 0x1680, 0x16d8,
6363 0x1800, 0x1820, 0x1840, 0x1854,
6364 0x1880, 0x1894, 0x1900, 0x1984,
6365 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6366 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6367 0x2000, 0x2030, 0x23c0, 0x2400,
6368 0x2800, 0x2820, 0x2830, 0x2850,
6369 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6370 0x3c00, 0x3c94, 0x4000, 0x4010,
6371 0x4080, 0x4090, 0x43c0, 0x4458,
6372 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6373 0x4fc0, 0x5010, 0x53c0, 0x5444,
6374 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6375 0x5fc0, 0x6000, 0x6400, 0x6428,
6376 0x6800, 0x6848, 0x684c, 0x6860,
6377 0x6888, 0x6910, 0x8000 };
6378
6379 regs->version = 0;
6380
6381 memset(p, 0, BNX2_REGDUMP_LEN);
6382
6383 if (!netif_running(bp->dev))
6384 return;
6385
6386 i = 0;
6387 offset = reg_boundaries[0];
6388 p += offset;
6389 while (offset < BNX2_REGDUMP_LEN) {
6390 *p++ = REG_RD(bp, offset);
6391 offset += 4;
6392 if (offset == reg_boundaries[i + 1]) {
6393 offset = reg_boundaries[i + 2];
6394 p = (u32 *) (orig_p + offset);
6395 i += 2;
6396 }
6397 }
6398}
6399
Michael Chanb6016b72005-05-26 13:03:09 -07006400static void
6401bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6402{
Michael Chan972ec0d2006-01-23 16:12:43 -08006403 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006404
David S. Millerf86e82f2008-01-21 17:15:40 -08006405 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006406 wol->supported = 0;
6407 wol->wolopts = 0;
6408 }
6409 else {
6410 wol->supported = WAKE_MAGIC;
6411 if (bp->wol)
6412 wol->wolopts = WAKE_MAGIC;
6413 else
6414 wol->wolopts = 0;
6415 }
6416 memset(&wol->sopass, 0, sizeof(wol->sopass));
6417}
6418
6419static int
6420bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6421{
Michael Chan972ec0d2006-01-23 16:12:43 -08006422 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006423
6424 if (wol->wolopts & ~WAKE_MAGIC)
6425 return -EINVAL;
6426
6427 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006428 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006429 return -EINVAL;
6430
6431 bp->wol = 1;
6432 }
6433 else {
6434 bp->wol = 0;
6435 }
6436 return 0;
6437}
6438
6439static int
6440bnx2_nway_reset(struct net_device *dev)
6441{
Michael Chan972ec0d2006-01-23 16:12:43 -08006442 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006443 u32 bmcr;
6444
6445 if (!(bp->autoneg & AUTONEG_SPEED)) {
6446 return -EINVAL;
6447 }
6448
Michael Chanc770a652005-08-25 15:38:39 -07006449 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006450
Michael Chan583c28e2008-01-21 19:51:35 -08006451 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006452 int rc;
6453
6454 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6455 spin_unlock_bh(&bp->phy_lock);
6456 return rc;
6457 }
6458
Michael Chanb6016b72005-05-26 13:03:09 -07006459 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006460 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006461 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006462 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006463
6464 msleep(20);
6465
Michael Chanc770a652005-08-25 15:38:39 -07006466 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006467
6468 bp->current_interval = SERDES_AN_TIMEOUT;
6469 bp->serdes_an_pending = 1;
6470 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006471 }
6472
Michael Chanca58c3a2007-05-03 13:22:52 -07006473 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006474 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006475 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006476
Michael Chanc770a652005-08-25 15:38:39 -07006477 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006478
6479 return 0;
6480}
6481
6482static int
6483bnx2_get_eeprom_len(struct net_device *dev)
6484{
Michael Chan972ec0d2006-01-23 16:12:43 -08006485 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006486
Michael Chan1122db72006-01-23 16:11:42 -08006487 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006488 return 0;
6489
Michael Chan1122db72006-01-23 16:11:42 -08006490 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006491}
6492
6493static int
6494bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6495 u8 *eebuf)
6496{
Michael Chan972ec0d2006-01-23 16:12:43 -08006497 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006498 int rc;
6499
John W. Linville1064e942005-11-10 12:58:24 -08006500 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006501
6502 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6503
6504 return rc;
6505}
6506
6507static int
6508bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6509 u8 *eebuf)
6510{
Michael Chan972ec0d2006-01-23 16:12:43 -08006511 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006512 int rc;
6513
John W. Linville1064e942005-11-10 12:58:24 -08006514 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006515
6516 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6517
6518 return rc;
6519}
6520
6521static int
6522bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6523{
Michael Chan972ec0d2006-01-23 16:12:43 -08006524 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006525
6526 memset(coal, 0, sizeof(struct ethtool_coalesce));
6527
6528 coal->rx_coalesce_usecs = bp->rx_ticks;
6529 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6530 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6531 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6532
6533 coal->tx_coalesce_usecs = bp->tx_ticks;
6534 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6535 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6536 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6537
6538 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6539
6540 return 0;
6541}
6542
6543static int
6544bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6545{
Michael Chan972ec0d2006-01-23 16:12:43 -08006546 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006547
6548 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6549 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6550
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006551 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006552 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6553
6554 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6555 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6556
6557 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6558 if (bp->rx_quick_cons_trip_int > 0xff)
6559 bp->rx_quick_cons_trip_int = 0xff;
6560
6561 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6562 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6563
6564 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6565 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6566
6567 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6568 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6569
6570 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6571 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6572 0xff;
6573
6574 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006575 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6576 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6577 bp->stats_ticks = USEC_PER_SEC;
6578 }
Michael Chan7ea69202007-07-16 18:27:10 -07006579 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6580 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6581 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006582
6583 if (netif_running(bp->dev)) {
6584 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07006585 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006586 bnx2_netif_start(bp);
6587 }
6588
6589 return 0;
6590}
6591
6592static void
6593bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6594{
Michael Chan972ec0d2006-01-23 16:12:43 -08006595 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006596
Michael Chan13daffa2006-03-20 17:49:20 -08006597 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006598 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006599 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006600
6601 ering->rx_pending = bp->rx_ring_size;
6602 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006603 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006604
6605 ering->tx_max_pending = MAX_TX_DESC_CNT;
6606 ering->tx_pending = bp->tx_ring_size;
6607}
6608
6609static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006610bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006611{
Michael Chan13daffa2006-03-20 17:49:20 -08006612 if (netif_running(bp->dev)) {
6613 bnx2_netif_stop(bp);
6614 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6615 bnx2_free_skbs(bp);
6616 bnx2_free_mem(bp);
6617 }
6618
Michael Chan5d5d0012007-12-12 11:17:43 -08006619 bnx2_set_rx_ring_size(bp, rx);
6620 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006621
6622 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006623 int rc;
6624
6625 rc = bnx2_alloc_mem(bp);
6626 if (rc)
6627 return rc;
Michael Chan9a120bc2008-05-16 22:17:45 -07006628 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006629 bnx2_netif_start(bp);
6630 }
Michael Chanb6016b72005-05-26 13:03:09 -07006631 return 0;
6632}
6633
Michael Chan5d5d0012007-12-12 11:17:43 -08006634static int
6635bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6636{
6637 struct bnx2 *bp = netdev_priv(dev);
6638 int rc;
6639
6640 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6641 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6642 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6643
6644 return -EINVAL;
6645 }
6646 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6647 return rc;
6648}
6649
Michael Chanb6016b72005-05-26 13:03:09 -07006650static void
6651bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6652{
Michael Chan972ec0d2006-01-23 16:12:43 -08006653 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006654
6655 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6656 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6657 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6658}
6659
6660static int
6661bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6662{
Michael Chan972ec0d2006-01-23 16:12:43 -08006663 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006664
6665 bp->req_flow_ctrl = 0;
6666 if (epause->rx_pause)
6667 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6668 if (epause->tx_pause)
6669 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6670
6671 if (epause->autoneg) {
6672 bp->autoneg |= AUTONEG_FLOW_CTRL;
6673 }
6674 else {
6675 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6676 }
6677
Michael Chanc770a652005-08-25 15:38:39 -07006678 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006679
Michael Chan0d8a6572007-07-07 22:49:43 -07006680 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006681
Michael Chanc770a652005-08-25 15:38:39 -07006682 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006683
6684 return 0;
6685}
6686
6687static u32
6688bnx2_get_rx_csum(struct net_device *dev)
6689{
Michael Chan972ec0d2006-01-23 16:12:43 -08006690 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006691
6692 return bp->rx_csum;
6693}
6694
6695static int
6696bnx2_set_rx_csum(struct net_device *dev, u32 data)
6697{
Michael Chan972ec0d2006-01-23 16:12:43 -08006698 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006699
6700 bp->rx_csum = data;
6701 return 0;
6702}
6703
Michael Chanb11d6212006-06-29 12:31:21 -07006704static int
6705bnx2_set_tso(struct net_device *dev, u32 data)
6706{
Michael Chan4666f872007-05-03 13:22:28 -07006707 struct bnx2 *bp = netdev_priv(dev);
6708
6709 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006710 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006711 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6712 dev->features |= NETIF_F_TSO6;
6713 } else
6714 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6715 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006716 return 0;
6717}
6718
Michael Chancea94db2006-06-12 22:16:13 -07006719#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006720
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006721static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006722 char string[ETH_GSTRING_LEN];
6723} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6724 { "rx_bytes" },
6725 { "rx_error_bytes" },
6726 { "tx_bytes" },
6727 { "tx_error_bytes" },
6728 { "rx_ucast_packets" },
6729 { "rx_mcast_packets" },
6730 { "rx_bcast_packets" },
6731 { "tx_ucast_packets" },
6732 { "tx_mcast_packets" },
6733 { "tx_bcast_packets" },
6734 { "tx_mac_errors" },
6735 { "tx_carrier_errors" },
6736 { "rx_crc_errors" },
6737 { "rx_align_errors" },
6738 { "tx_single_collisions" },
6739 { "tx_multi_collisions" },
6740 { "tx_deferred" },
6741 { "tx_excess_collisions" },
6742 { "tx_late_collisions" },
6743 { "tx_total_collisions" },
6744 { "rx_fragments" },
6745 { "rx_jabbers" },
6746 { "rx_undersize_packets" },
6747 { "rx_oversize_packets" },
6748 { "rx_64_byte_packets" },
6749 { "rx_65_to_127_byte_packets" },
6750 { "rx_128_to_255_byte_packets" },
6751 { "rx_256_to_511_byte_packets" },
6752 { "rx_512_to_1023_byte_packets" },
6753 { "rx_1024_to_1522_byte_packets" },
6754 { "rx_1523_to_9022_byte_packets" },
6755 { "tx_64_byte_packets" },
6756 { "tx_65_to_127_byte_packets" },
6757 { "tx_128_to_255_byte_packets" },
6758 { "tx_256_to_511_byte_packets" },
6759 { "tx_512_to_1023_byte_packets" },
6760 { "tx_1024_to_1522_byte_packets" },
6761 { "tx_1523_to_9022_byte_packets" },
6762 { "rx_xon_frames" },
6763 { "rx_xoff_frames" },
6764 { "tx_xon_frames" },
6765 { "tx_xoff_frames" },
6766 { "rx_mac_ctrl_frames" },
6767 { "rx_filtered_packets" },
6768 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006769 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006770};
6771
6772#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6773
Arjan van de Venf71e1302006-03-03 21:33:57 -05006774static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006775 STATS_OFFSET32(stat_IfHCInOctets_hi),
6776 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6777 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6778 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6779 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6780 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6781 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6782 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6783 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6784 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6785 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006786 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6787 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6788 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6789 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6790 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6791 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6792 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6793 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6794 STATS_OFFSET32(stat_EtherStatsCollisions),
6795 STATS_OFFSET32(stat_EtherStatsFragments),
6796 STATS_OFFSET32(stat_EtherStatsJabbers),
6797 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6798 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6799 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6800 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6801 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6802 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6803 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6804 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6805 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6806 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6807 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6808 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6809 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6810 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6811 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6812 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6813 STATS_OFFSET32(stat_XonPauseFramesReceived),
6814 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6815 STATS_OFFSET32(stat_OutXonSent),
6816 STATS_OFFSET32(stat_OutXoffSent),
6817 STATS_OFFSET32(stat_MacControlFramesReceived),
6818 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6819 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006820 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006821};
6822
6823/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6824 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006825 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006826static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006827 8,0,8,8,8,8,8,8,8,8,
6828 4,0,4,4,4,4,4,4,4,4,
6829 4,4,4,4,4,4,4,4,4,4,
6830 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006831 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006832};
6833
Michael Chan5b0c76a2005-11-04 08:45:49 -08006834static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6835 8,0,8,8,8,8,8,8,8,8,
6836 4,4,4,4,4,4,4,4,4,4,
6837 4,4,4,4,4,4,4,4,4,4,
6838 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006839 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006840};
6841
Michael Chanb6016b72005-05-26 13:03:09 -07006842#define BNX2_NUM_TESTS 6
6843
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006844static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006845 char string[ETH_GSTRING_LEN];
6846} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6847 { "register_test (offline)" },
6848 { "memory_test (offline)" },
6849 { "loopback_test (offline)" },
6850 { "nvram_test (online)" },
6851 { "interrupt_test (online)" },
6852 { "link_test (online)" },
6853};
6854
6855static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006856bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006857{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006858 switch (sset) {
6859 case ETH_SS_TEST:
6860 return BNX2_NUM_TESTS;
6861 case ETH_SS_STATS:
6862 return BNX2_NUM_STATS;
6863 default:
6864 return -EOPNOTSUPP;
6865 }
Michael Chanb6016b72005-05-26 13:03:09 -07006866}
6867
6868static void
6869bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6870{
Michael Chan972ec0d2006-01-23 16:12:43 -08006871 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006872
6873 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6874 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006875 int i;
6876
Michael Chanb6016b72005-05-26 13:03:09 -07006877 bnx2_netif_stop(bp);
6878 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6879 bnx2_free_skbs(bp);
6880
6881 if (bnx2_test_registers(bp) != 0) {
6882 buf[0] = 1;
6883 etest->flags |= ETH_TEST_FL_FAILED;
6884 }
6885 if (bnx2_test_memory(bp) != 0) {
6886 buf[1] = 1;
6887 etest->flags |= ETH_TEST_FL_FAILED;
6888 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006889 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006890 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006891
6892 if (!netif_running(bp->dev)) {
6893 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6894 }
6895 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07006896 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006897 bnx2_netif_start(bp);
6898 }
6899
6900 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006901 for (i = 0; i < 7; i++) {
6902 if (bp->link_up)
6903 break;
6904 msleep_interruptible(1000);
6905 }
Michael Chanb6016b72005-05-26 13:03:09 -07006906 }
6907
6908 if (bnx2_test_nvram(bp) != 0) {
6909 buf[3] = 1;
6910 etest->flags |= ETH_TEST_FL_FAILED;
6911 }
6912 if (bnx2_test_intr(bp) != 0) {
6913 buf[4] = 1;
6914 etest->flags |= ETH_TEST_FL_FAILED;
6915 }
6916
6917 if (bnx2_test_link(bp) != 0) {
6918 buf[5] = 1;
6919 etest->flags |= ETH_TEST_FL_FAILED;
6920
6921 }
6922}
6923
6924static void
6925bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6926{
6927 switch (stringset) {
6928 case ETH_SS_STATS:
6929 memcpy(buf, bnx2_stats_str_arr,
6930 sizeof(bnx2_stats_str_arr));
6931 break;
6932 case ETH_SS_TEST:
6933 memcpy(buf, bnx2_tests_str_arr,
6934 sizeof(bnx2_tests_str_arr));
6935 break;
6936 }
6937}
6938
Michael Chanb6016b72005-05-26 13:03:09 -07006939static void
6940bnx2_get_ethtool_stats(struct net_device *dev,
6941 struct ethtool_stats *stats, u64 *buf)
6942{
Michael Chan972ec0d2006-01-23 16:12:43 -08006943 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006944 int i;
6945 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006946 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006947
6948 if (hw_stats == NULL) {
6949 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6950 return;
6951 }
6952
Michael Chan5b0c76a2005-11-04 08:45:49 -08006953 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6954 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6955 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6956 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006957 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006958 else
6959 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006960
6961 for (i = 0; i < BNX2_NUM_STATS; i++) {
6962 if (stats_len_arr[i] == 0) {
6963 /* skip this counter */
6964 buf[i] = 0;
6965 continue;
6966 }
6967 if (stats_len_arr[i] == 4) {
6968 /* 4-byte counter */
6969 buf[i] = (u64)
6970 *(hw_stats + bnx2_stats_offset_arr[i]);
6971 continue;
6972 }
6973 /* 8-byte counter */
6974 buf[i] = (((u64) *(hw_stats +
6975 bnx2_stats_offset_arr[i])) << 32) +
6976 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6977 }
6978}
6979
6980static int
6981bnx2_phys_id(struct net_device *dev, u32 data)
6982{
Michael Chan972ec0d2006-01-23 16:12:43 -08006983 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006984 int i;
6985 u32 save;
6986
6987 if (data == 0)
6988 data = 2;
6989
6990 save = REG_RD(bp, BNX2_MISC_CFG);
6991 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6992
6993 for (i = 0; i < (data * 2); i++) {
6994 if ((i % 2) == 0) {
6995 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6996 }
6997 else {
6998 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6999 BNX2_EMAC_LED_1000MB_OVERRIDE |
7000 BNX2_EMAC_LED_100MB_OVERRIDE |
7001 BNX2_EMAC_LED_10MB_OVERRIDE |
7002 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7003 BNX2_EMAC_LED_TRAFFIC);
7004 }
7005 msleep_interruptible(500);
7006 if (signal_pending(current))
7007 break;
7008 }
7009 REG_WR(bp, BNX2_EMAC_LED, 0);
7010 REG_WR(bp, BNX2_MISC_CFG, save);
7011 return 0;
7012}
7013
Michael Chan4666f872007-05-03 13:22:28 -07007014static int
7015bnx2_set_tx_csum(struct net_device *dev, u32 data)
7016{
7017 struct bnx2 *bp = netdev_priv(dev);
7018
7019 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007020 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007021 else
7022 return (ethtool_op_set_tx_csum(dev, data));
7023}
7024
Jeff Garzik7282d492006-09-13 14:30:00 -04007025static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007026 .get_settings = bnx2_get_settings,
7027 .set_settings = bnx2_set_settings,
7028 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007029 .get_regs_len = bnx2_get_regs_len,
7030 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007031 .get_wol = bnx2_get_wol,
7032 .set_wol = bnx2_set_wol,
7033 .nway_reset = bnx2_nway_reset,
7034 .get_link = ethtool_op_get_link,
7035 .get_eeprom_len = bnx2_get_eeprom_len,
7036 .get_eeprom = bnx2_get_eeprom,
7037 .set_eeprom = bnx2_set_eeprom,
7038 .get_coalesce = bnx2_get_coalesce,
7039 .set_coalesce = bnx2_set_coalesce,
7040 .get_ringparam = bnx2_get_ringparam,
7041 .set_ringparam = bnx2_set_ringparam,
7042 .get_pauseparam = bnx2_get_pauseparam,
7043 .set_pauseparam = bnx2_set_pauseparam,
7044 .get_rx_csum = bnx2_get_rx_csum,
7045 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007046 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007047 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007048 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007049 .self_test = bnx2_self_test,
7050 .get_strings = bnx2_get_strings,
7051 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007052 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007053 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007054};
7055
7056/* Called with rtnl_lock */
7057static int
7058bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7059{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007060 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007061 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007062 int err;
7063
7064 switch(cmd) {
7065 case SIOCGMIIPHY:
7066 data->phy_id = bp->phy_addr;
7067
7068 /* fallthru */
7069 case SIOCGMIIREG: {
7070 u32 mii_regval;
7071
Michael Chan583c28e2008-01-21 19:51:35 -08007072 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007073 return -EOPNOTSUPP;
7074
Michael Chandad3e452007-05-03 13:18:03 -07007075 if (!netif_running(dev))
7076 return -EAGAIN;
7077
Michael Chanc770a652005-08-25 15:38:39 -07007078 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007079 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007080 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007081
7082 data->val_out = mii_regval;
7083
7084 return err;
7085 }
7086
7087 case SIOCSMIIREG:
7088 if (!capable(CAP_NET_ADMIN))
7089 return -EPERM;
7090
Michael Chan583c28e2008-01-21 19:51:35 -08007091 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007092 return -EOPNOTSUPP;
7093
Michael Chandad3e452007-05-03 13:18:03 -07007094 if (!netif_running(dev))
7095 return -EAGAIN;
7096
Michael Chanc770a652005-08-25 15:38:39 -07007097 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007098 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007099 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007100
7101 return err;
7102
7103 default:
7104 /* do nothing */
7105 break;
7106 }
7107 return -EOPNOTSUPP;
7108}
7109
7110/* Called with rtnl_lock */
7111static int
7112bnx2_change_mac_addr(struct net_device *dev, void *p)
7113{
7114 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007115 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007116
Michael Chan73eef4c2005-08-25 15:39:15 -07007117 if (!is_valid_ether_addr(addr->sa_data))
7118 return -EINVAL;
7119
Michael Chanb6016b72005-05-26 13:03:09 -07007120 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7121 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007122 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007123
7124 return 0;
7125}
7126
7127/* Called with rtnl_lock */
7128static int
7129bnx2_change_mtu(struct net_device *dev, int new_mtu)
7130{
Michael Chan972ec0d2006-01-23 16:12:43 -08007131 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007132
7133 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7134 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7135 return -EINVAL;
7136
7137 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007138 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007139}
7140
7141#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7142static void
7143poll_bnx2(struct net_device *dev)
7144{
Michael Chan972ec0d2006-01-23 16:12:43 -08007145 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007146
7147 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01007148 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007149 enable_irq(bp->pdev->irq);
7150}
7151#endif
7152
Michael Chan253c8b72007-01-08 19:56:01 -08007153static void __devinit
7154bnx2_get_5709_media(struct bnx2 *bp)
7155{
7156 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7157 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7158 u32 strap;
7159
7160 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7161 return;
7162 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007163 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007164 return;
7165 }
7166
7167 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7168 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7169 else
7170 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7171
7172 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7173 switch (strap) {
7174 case 0x4:
7175 case 0x5:
7176 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007177 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007178 return;
7179 }
7180 } else {
7181 switch (strap) {
7182 case 0x1:
7183 case 0x2:
7184 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007185 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007186 return;
7187 }
7188 }
7189}
7190
Michael Chan883e5152007-05-03 13:25:11 -07007191static void __devinit
7192bnx2_get_pci_speed(struct bnx2 *bp)
7193{
7194 u32 reg;
7195
7196 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7197 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7198 u32 clkreg;
7199
David S. Millerf86e82f2008-01-21 17:15:40 -08007200 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007201
7202 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7203
7204 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7205 switch (clkreg) {
7206 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7207 bp->bus_speed_mhz = 133;
7208 break;
7209
7210 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7211 bp->bus_speed_mhz = 100;
7212 break;
7213
7214 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7215 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7216 bp->bus_speed_mhz = 66;
7217 break;
7218
7219 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7220 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7221 bp->bus_speed_mhz = 50;
7222 break;
7223
7224 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7225 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7226 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7227 bp->bus_speed_mhz = 33;
7228 break;
7229 }
7230 }
7231 else {
7232 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7233 bp->bus_speed_mhz = 66;
7234 else
7235 bp->bus_speed_mhz = 33;
7236 }
7237
7238 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007239 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007240
7241}
7242
Michael Chanb6016b72005-05-26 13:03:09 -07007243static int __devinit
7244bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7245{
7246 struct bnx2 *bp;
7247 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007248 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007249 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007250 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007251
Michael Chanb6016b72005-05-26 13:03:09 -07007252 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007253 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007254
7255 bp->flags = 0;
7256 bp->phy_flags = 0;
7257
7258 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7259 rc = pci_enable_device(pdev);
7260 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007261 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007262 goto err_out;
7263 }
7264
7265 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007266 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007267 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007268 rc = -ENODEV;
7269 goto err_out_disable;
7270 }
7271
7272 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7273 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007274 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007275 goto err_out_disable;
7276 }
7277
7278 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007279 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007280
7281 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7282 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007283 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007284 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007285 rc = -EIO;
7286 goto err_out_release;
7287 }
7288
Michael Chanb6016b72005-05-26 13:03:09 -07007289 bp->dev = dev;
7290 bp->pdev = pdev;
7291
7292 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007293 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007294 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007295
7296 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007297 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007298 dev->mem_end = dev->mem_start + mem_len;
7299 dev->irq = pdev->irq;
7300
7301 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7302
7303 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007304 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007305 rc = -ENOMEM;
7306 goto err_out_release;
7307 }
7308
7309 /* Configure byte swap and enable write to the reg_window registers.
7310 * Rely on CPU to do target byte swapping on big endian systems
7311 * The chip's target access swapping will not swap all accesses
7312 */
7313 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7314 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7315 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7316
Pavel Machek829ca9a2005-09-03 15:56:56 -07007317 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007318
7319 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7320
Michael Chan883e5152007-05-03 13:25:11 -07007321 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7322 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7323 dev_err(&pdev->dev,
7324 "Cannot find PCIE capability, aborting.\n");
7325 rc = -EIO;
7326 goto err_out_unmap;
7327 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007328 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007329 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007330 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007331 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007332 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7333 if (bp->pcix_cap == 0) {
7334 dev_err(&pdev->dev,
7335 "Cannot find PCIX capability, aborting.\n");
7336 rc = -EIO;
7337 goto err_out_unmap;
7338 }
7339 }
7340
Michael Chanb4b36042007-12-20 19:59:30 -08007341 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7342 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007343 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007344 }
7345
Michael Chan8e6a72c2007-05-03 13:24:48 -07007346 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7347 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007348 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007349 }
7350
Michael Chan40453c82007-05-03 13:19:18 -07007351 /* 5708 cannot support DMA addresses > 40-bit. */
7352 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7353 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7354 else
7355 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7356
7357 /* Configure DMA attributes. */
7358 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7359 dev->features |= NETIF_F_HIGHDMA;
7360 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7361 if (rc) {
7362 dev_err(&pdev->dev,
7363 "pci_set_consistent_dma_mask failed, aborting.\n");
7364 goto err_out_unmap;
7365 }
7366 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7367 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7368 goto err_out_unmap;
7369 }
7370
David S. Millerf86e82f2008-01-21 17:15:40 -08007371 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007372 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007373
7374 /* 5706A0 may falsely detect SERR and PERR. */
7375 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7376 reg = REG_RD(bp, PCI_COMMAND);
7377 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7378 REG_WR(bp, PCI_COMMAND, reg);
7379 }
7380 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007381 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007382
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007383 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007384 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007385 goto err_out_unmap;
7386 }
7387
7388 bnx2_init_nvram(bp);
7389
Michael Chan2726d6e2008-01-29 21:35:05 -08007390 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007391
7392 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007393 BNX2_SHM_HDR_SIGNATURE_SIG) {
7394 u32 off = PCI_FUNC(pdev->devfn) << 2;
7395
Michael Chan2726d6e2008-01-29 21:35:05 -08007396 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007397 } else
Michael Chane3648b32005-11-04 08:51:21 -08007398 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7399
Michael Chanb6016b72005-05-26 13:03:09 -07007400 /* Get the permanent MAC address. First we need to make sure the
7401 * firmware is actually running.
7402 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007403 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007404
7405 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7406 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007407 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007408 rc = -ENODEV;
7409 goto err_out_unmap;
7410 }
7411
Michael Chan2726d6e2008-01-29 21:35:05 -08007412 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007413 for (i = 0, j = 0; i < 3; i++) {
7414 u8 num, k, skip0;
7415
7416 num = (u8) (reg >> (24 - (i * 8)));
7417 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7418 if (num >= k || !skip0 || k == 1) {
7419 bp->fw_version[j++] = (num / k) + '0';
7420 skip0 = 0;
7421 }
7422 }
7423 if (i != 2)
7424 bp->fw_version[j++] = '.';
7425 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007426 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007427 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7428 bp->wol = 1;
7429
7430 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007431 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007432
7433 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007434 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007435 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7436 break;
7437 msleep(10);
7438 }
7439 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007440 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007441 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7442 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7443 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7444 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007445 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007446
7447 bp->fw_version[j++] = ' ';
7448 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007449 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007450 reg = swab32(reg);
7451 memcpy(&bp->fw_version[j], &reg, 4);
7452 j += 4;
7453 }
7454 }
Michael Chanb6016b72005-05-26 13:03:09 -07007455
Michael Chan2726d6e2008-01-29 21:35:05 -08007456 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007457 bp->mac_addr[0] = (u8) (reg >> 8);
7458 bp->mac_addr[1] = (u8) reg;
7459
Michael Chan2726d6e2008-01-29 21:35:05 -08007460 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007461 bp->mac_addr[2] = (u8) (reg >> 24);
7462 bp->mac_addr[3] = (u8) (reg >> 16);
7463 bp->mac_addr[4] = (u8) (reg >> 8);
7464 bp->mac_addr[5] = (u8) reg;
7465
7466 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007467 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007468
7469 bp->rx_csum = 1;
7470
Michael Chanb6016b72005-05-26 13:03:09 -07007471 bp->tx_quick_cons_trip_int = 20;
7472 bp->tx_quick_cons_trip = 20;
7473 bp->tx_ticks_int = 80;
7474 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007475
Michael Chanb6016b72005-05-26 13:03:09 -07007476 bp->rx_quick_cons_trip_int = 6;
7477 bp->rx_quick_cons_trip = 6;
7478 bp->rx_ticks_int = 18;
7479 bp->rx_ticks = 18;
7480
Michael Chan7ea69202007-07-16 18:27:10 -07007481 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007482
7483 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007484 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007485
Michael Chan5b0c76a2005-11-04 08:45:49 -08007486 bp->phy_addr = 1;
7487
Michael Chanb6016b72005-05-26 13:03:09 -07007488 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007489 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7490 bnx2_get_5709_media(bp);
7491 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007492 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007493
Michael Chan0d8a6572007-07-07 22:49:43 -07007494 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007495 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007496 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007497 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007498 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007499 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007500 bp->wol = 0;
7501 }
Michael Chan38ea3682008-02-23 19:48:57 -08007502 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7503 /* Don't do parallel detect on this board because of
7504 * some board problems. The link will not go down
7505 * if we do parallel detect.
7506 */
7507 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7508 pdev->subsystem_device == 0x310c)
7509 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7510 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007511 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007512 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007513 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007514 }
Michael Chan261dd5c2007-01-08 19:55:46 -08007515 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7516 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007517 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007518 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7519 (CHIP_REV(bp) == CHIP_REV_Ax ||
7520 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007521 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007522
Michael Chan7c62e832008-07-14 22:39:03 -07007523 bnx2_init_fw_cap(bp);
7524
Michael Chan16088272006-06-12 22:16:43 -07007525 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7526 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007527 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007528 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007529 bp->wol = 0;
7530 }
Michael Chandda1e392006-01-23 16:08:14 -08007531
Michael Chanb6016b72005-05-26 13:03:09 -07007532 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7533 bp->tx_quick_cons_trip_int =
7534 bp->tx_quick_cons_trip;
7535 bp->tx_ticks_int = bp->tx_ticks;
7536 bp->rx_quick_cons_trip_int =
7537 bp->rx_quick_cons_trip;
7538 bp->rx_ticks_int = bp->rx_ticks;
7539 bp->comp_prod_trip_int = bp->comp_prod_trip;
7540 bp->com_ticks_int = bp->com_ticks;
7541 bp->cmd_ticks_int = bp->cmd_ticks;
7542 }
7543
Michael Chanf9317a42006-09-29 17:06:23 -07007544 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7545 *
7546 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7547 * with byte enables disabled on the unused 32-bit word. This is legal
7548 * but causes problems on the AMD 8132 which will eventually stop
7549 * responding after a while.
7550 *
7551 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007552 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007553 */
7554 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7555 struct pci_dev *amd_8132 = NULL;
7556
7557 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7558 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7559 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007560
Auke Kok44c10132007-06-08 15:46:36 -07007561 if (amd_8132->revision >= 0x10 &&
7562 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007563 disable_msi = 1;
7564 pci_dev_put(amd_8132);
7565 break;
7566 }
7567 }
7568 }
7569
Michael Chandeaf3912007-07-07 22:48:00 -07007570 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007571 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7572
Michael Chancd339a02005-08-25 15:35:24 -07007573 init_timer(&bp->timer);
7574 bp->timer.expires = RUN_AT(bp->timer_interval);
7575 bp->timer.data = (unsigned long) bp;
7576 bp->timer.function = bnx2_timer;
7577
Michael Chanb6016b72005-05-26 13:03:09 -07007578 return 0;
7579
7580err_out_unmap:
7581 if (bp->regview) {
7582 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007583 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007584 }
7585
7586err_out_release:
7587 pci_release_regions(pdev);
7588
7589err_out_disable:
7590 pci_disable_device(pdev);
7591 pci_set_drvdata(pdev, NULL);
7592
7593err_out:
7594 return rc;
7595}
7596
Michael Chan883e5152007-05-03 13:25:11 -07007597static char * __devinit
7598bnx2_bus_string(struct bnx2 *bp, char *str)
7599{
7600 char *s = str;
7601
David S. Millerf86e82f2008-01-21 17:15:40 -08007602 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007603 s += sprintf(s, "PCI Express");
7604 } else {
7605 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007606 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007607 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007608 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007609 s += sprintf(s, " 32-bit");
7610 else
7611 s += sprintf(s, " 64-bit");
7612 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7613 }
7614 return str;
7615}
7616
Michael Chan2ba582b2007-12-21 15:04:49 -08007617static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007618bnx2_init_napi(struct bnx2 *bp)
7619{
Michael Chanb4b36042007-12-20 19:59:30 -08007620 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08007621
Michael Chanb4b36042007-12-20 19:59:30 -08007622 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07007623 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7624 int (*poll)(struct napi_struct *, int);
7625
7626 if (i == 0)
7627 poll = bnx2_poll;
7628 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07007629 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07007630
7631 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08007632 bnapi->bp = bp;
7633 }
Michael Chan35efa7c2007-12-20 19:56:37 -08007634}
7635
7636static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007637bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7638{
7639 static int version_printed = 0;
7640 struct net_device *dev = NULL;
7641 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007642 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007643 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007644 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007645
7646 if (version_printed++ == 0)
7647 printk(KERN_INFO "%s", version);
7648
7649 /* dev zeroed in init_etherdev */
7650 dev = alloc_etherdev(sizeof(*bp));
7651
7652 if (!dev)
7653 return -ENOMEM;
7654
7655 rc = bnx2_init_board(pdev, dev);
7656 if (rc < 0) {
7657 free_netdev(dev);
7658 return rc;
7659 }
7660
7661 dev->open = bnx2_open;
7662 dev->hard_start_xmit = bnx2_start_xmit;
7663 dev->stop = bnx2_close;
7664 dev->get_stats = bnx2_get_stats;
Benjamin Li5fcaed02008-07-14 22:39:52 -07007665 dev->set_rx_mode = bnx2_set_rx_mode;
Michael Chanb6016b72005-05-26 13:03:09 -07007666 dev->do_ioctl = bnx2_ioctl;
7667 dev->set_mac_address = bnx2_change_mac_addr;
7668 dev->change_mtu = bnx2_change_mtu;
7669 dev->tx_timeout = bnx2_tx_timeout;
7670 dev->watchdog_timeo = TX_TIMEOUT;
7671#ifdef BCM_VLAN
7672 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007673#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007674 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007675
Michael Chan972ec0d2006-01-23 16:12:43 -08007676 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007677 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007678
7679#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7680 dev->poll_controller = poll_bnx2;
7681#endif
7682
Michael Chan1b2f9222007-05-03 13:20:19 -07007683 pci_set_drvdata(pdev, dev);
7684
7685 memcpy(dev->dev_addr, bp->mac_addr, 6);
7686 memcpy(dev->perm_addr, bp->mac_addr, 6);
7687 bp->name = board_info[ent->driver_data].name;
7688
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007689 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007690 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007691 dev->features |= NETIF_F_IPV6_CSUM;
7692
Michael Chan1b2f9222007-05-03 13:20:19 -07007693#ifdef BCM_VLAN
7694 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7695#endif
7696 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007697 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7698 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007699
Michael Chanb6016b72005-05-26 13:03:09 -07007700 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007701 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007702 if (bp->regview)
7703 iounmap(bp->regview);
7704 pci_release_regions(pdev);
7705 pci_disable_device(pdev);
7706 pci_set_drvdata(pdev, NULL);
7707 free_netdev(dev);
7708 return rc;
7709 }
7710
Michael Chan883e5152007-05-03 13:25:11 -07007711 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007712 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007713 dev->name,
7714 bp->name,
7715 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7716 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007717 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007718 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007719 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007720
Michael Chanb6016b72005-05-26 13:03:09 -07007721 return 0;
7722}
7723
7724static void __devexit
7725bnx2_remove_one(struct pci_dev *pdev)
7726{
7727 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007728 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007729
Michael Chanafdc08b2005-08-25 15:34:29 -07007730 flush_scheduled_work();
7731
Michael Chanb6016b72005-05-26 13:03:09 -07007732 unregister_netdev(dev);
7733
7734 if (bp->regview)
7735 iounmap(bp->regview);
7736
7737 free_netdev(dev);
7738 pci_release_regions(pdev);
7739 pci_disable_device(pdev);
7740 pci_set_drvdata(pdev, NULL);
7741}
7742
7743static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007744bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007745{
7746 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007747 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007748 u32 reset_code;
7749
Michael Chan6caebb02007-08-03 20:57:25 -07007750 /* PCI register 4 needs to be saved whether netif_running() or not.
7751 * MSI address and data need to be saved if using MSI and
7752 * netif_running().
7753 */
7754 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007755 if (!netif_running(dev))
7756 return 0;
7757
Michael Chan1d60290f2006-03-20 17:50:08 -08007758 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007759 bnx2_netif_stop(bp);
7760 netif_device_detach(dev);
7761 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007762 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007763 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007764 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007765 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7766 else
7767 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7768 bnx2_reset_chip(bp, reset_code);
7769 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007770 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007771 return 0;
7772}
7773
7774static int
7775bnx2_resume(struct pci_dev *pdev)
7776{
7777 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007778 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007779
Michael Chan6caebb02007-08-03 20:57:25 -07007780 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007781 if (!netif_running(dev))
7782 return 0;
7783
Pavel Machek829ca9a2005-09-03 15:56:56 -07007784 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007785 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07007786 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007787 bnx2_netif_start(bp);
7788 return 0;
7789}
7790
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007791/**
7792 * bnx2_io_error_detected - called when PCI error is detected
7793 * @pdev: Pointer to PCI device
7794 * @state: The current pci connection state
7795 *
7796 * This function is called after a PCI bus error affecting
7797 * this device has been detected.
7798 */
7799static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7800 pci_channel_state_t state)
7801{
7802 struct net_device *dev = pci_get_drvdata(pdev);
7803 struct bnx2 *bp = netdev_priv(dev);
7804
7805 rtnl_lock();
7806 netif_device_detach(dev);
7807
7808 if (netif_running(dev)) {
7809 bnx2_netif_stop(bp);
7810 del_timer_sync(&bp->timer);
7811 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7812 }
7813
7814 pci_disable_device(pdev);
7815 rtnl_unlock();
7816
7817 /* Request a slot slot reset. */
7818 return PCI_ERS_RESULT_NEED_RESET;
7819}
7820
7821/**
7822 * bnx2_io_slot_reset - called after the pci bus has been reset.
7823 * @pdev: Pointer to PCI device
7824 *
7825 * Restart the card from scratch, as if from a cold-boot.
7826 */
7827static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7828{
7829 struct net_device *dev = pci_get_drvdata(pdev);
7830 struct bnx2 *bp = netdev_priv(dev);
7831
7832 rtnl_lock();
7833 if (pci_enable_device(pdev)) {
7834 dev_err(&pdev->dev,
7835 "Cannot re-enable PCI device after reset.\n");
7836 rtnl_unlock();
7837 return PCI_ERS_RESULT_DISCONNECT;
7838 }
7839 pci_set_master(pdev);
7840 pci_restore_state(pdev);
7841
7842 if (netif_running(dev)) {
7843 bnx2_set_power_state(bp, PCI_D0);
7844 bnx2_init_nic(bp, 1);
7845 }
7846
7847 rtnl_unlock();
7848 return PCI_ERS_RESULT_RECOVERED;
7849}
7850
7851/**
7852 * bnx2_io_resume - called when traffic can start flowing again.
7853 * @pdev: Pointer to PCI device
7854 *
7855 * This callback is called when the error recovery driver tells us that
7856 * its OK to resume normal operation.
7857 */
7858static void bnx2_io_resume(struct pci_dev *pdev)
7859{
7860 struct net_device *dev = pci_get_drvdata(pdev);
7861 struct bnx2 *bp = netdev_priv(dev);
7862
7863 rtnl_lock();
7864 if (netif_running(dev))
7865 bnx2_netif_start(bp);
7866
7867 netif_device_attach(dev);
7868 rtnl_unlock();
7869}
7870
7871static struct pci_error_handlers bnx2_err_handler = {
7872 .error_detected = bnx2_io_error_detected,
7873 .slot_reset = bnx2_io_slot_reset,
7874 .resume = bnx2_io_resume,
7875};
7876
Michael Chanb6016b72005-05-26 13:03:09 -07007877static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007878 .name = DRV_MODULE_NAME,
7879 .id_table = bnx2_pci_tbl,
7880 .probe = bnx2_init_one,
7881 .remove = __devexit_p(bnx2_remove_one),
7882 .suspend = bnx2_suspend,
7883 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007884 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07007885};
7886
7887static int __init bnx2_init(void)
7888{
Jeff Garzik29917622006-08-19 17:48:59 -04007889 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007890}
7891
7892static void __exit bnx2_cleanup(void)
7893{
7894 pci_unregister_driver(&bnx2_pci_driver);
7895}
7896
7897module_init(bnx2_init);
7898module_exit(bnx2_cleanup);
7899
7900
7901