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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 Chan0d8a6572007-07-07 22:49:43 -07001494static int bnx2_fw_sync(struct bnx2 *, u32, int);
1495
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);
1547 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1548 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 Chanb090ae22006-01-23 16:07:10 -08002265bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, 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
2275 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002276 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2277 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002278
Michael Chan2726d6e2008-01-29 21:35:05 -08002279 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002280
2281 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2282 break;
2283 }
Michael Chanb090ae22006-01-23 16:07:10 -08002284 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2285 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002286
2287 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002288 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2289 if (!silent)
2290 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2291 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002292
2293 msg_data &= ~BNX2_DRV_MSG_CODE;
2294 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2295
Michael Chan2726d6e2008-01-29 21:35:05 -08002296 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002297
Michael Chanb6016b72005-05-26 13:03:09 -07002298 return -EBUSY;
2299 }
2300
Michael Chanb090ae22006-01-23 16:07:10 -08002301 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2302 return -EIO;
2303
Michael Chanb6016b72005-05-26 13:03:09 -07002304 return 0;
2305}
2306
Michael Chan59b47d82006-11-19 14:10:45 -08002307static int
2308bnx2_init_5709_context(struct bnx2 *bp)
2309{
2310 int i, ret = 0;
2311 u32 val;
2312
2313 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2314 val |= (BCM_PAGE_BITS - 8) << 16;
2315 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002316 for (i = 0; i < 10; i++) {
2317 val = REG_RD(bp, BNX2_CTX_COMMAND);
2318 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2319 break;
2320 udelay(2);
2321 }
2322 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2323 return -EBUSY;
2324
Michael Chan59b47d82006-11-19 14:10:45 -08002325 for (i = 0; i < bp->ctx_pages; i++) {
2326 int j;
2327
Michael Chan352f7682008-05-02 16:57:26 -07002328 if (bp->ctx_blk[i])
2329 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2330 else
2331 return -ENOMEM;
2332
Michael Chan59b47d82006-11-19 14:10:45 -08002333 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2334 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2335 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2336 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2337 (u64) bp->ctx_blk_mapping[i] >> 32);
2338 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2339 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2340 for (j = 0; j < 10; j++) {
2341
2342 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2343 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2344 break;
2345 udelay(5);
2346 }
2347 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2348 ret = -EBUSY;
2349 break;
2350 }
2351 }
2352 return ret;
2353}
2354
Michael Chanb6016b72005-05-26 13:03:09 -07002355static void
2356bnx2_init_context(struct bnx2 *bp)
2357{
2358 u32 vcid;
2359
2360 vcid = 96;
2361 while (vcid) {
2362 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002363 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002364
2365 vcid--;
2366
2367 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2368 u32 new_vcid;
2369
2370 vcid_addr = GET_PCID_ADDR(vcid);
2371 if (vcid & 0x8) {
2372 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2373 }
2374 else {
2375 new_vcid = vcid;
2376 }
2377 pcid_addr = GET_PCID_ADDR(new_vcid);
2378 }
2379 else {
2380 vcid_addr = GET_CID_ADDR(vcid);
2381 pcid_addr = vcid_addr;
2382 }
2383
Michael Chan7947b202007-06-04 21:17:10 -07002384 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2385 vcid_addr += (i << PHY_CTX_SHIFT);
2386 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002387
Michael Chan5d5d0012007-12-12 11:17:43 -08002388 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002389 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2390
2391 /* Zero out the context. */
2392 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002393 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002394 }
Michael Chanb6016b72005-05-26 13:03:09 -07002395 }
2396}
2397
2398static int
2399bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2400{
2401 u16 *good_mbuf;
2402 u32 good_mbuf_cnt;
2403 u32 val;
2404
2405 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2406 if (good_mbuf == NULL) {
2407 printk(KERN_ERR PFX "Failed to allocate memory in "
2408 "bnx2_alloc_bad_rbuf\n");
2409 return -ENOMEM;
2410 }
2411
2412 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2413 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2414
2415 good_mbuf_cnt = 0;
2416
2417 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002418 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002419 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002420 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2421 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002422
Michael Chan2726d6e2008-01-29 21:35:05 -08002423 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002424
2425 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2426
2427 /* The addresses with Bit 9 set are bad memory blocks. */
2428 if (!(val & (1 << 9))) {
2429 good_mbuf[good_mbuf_cnt] = (u16) val;
2430 good_mbuf_cnt++;
2431 }
2432
Michael Chan2726d6e2008-01-29 21:35:05 -08002433 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002434 }
2435
2436 /* Free the good ones back to the mbuf pool thus discarding
2437 * all the bad ones. */
2438 while (good_mbuf_cnt) {
2439 good_mbuf_cnt--;
2440
2441 val = good_mbuf[good_mbuf_cnt];
2442 val = (val << 9) | val | 1;
2443
Michael Chan2726d6e2008-01-29 21:35:05 -08002444 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002445 }
2446 kfree(good_mbuf);
2447 return 0;
2448}
2449
2450static void
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002451bnx2_set_mac_addr(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07002452{
2453 u32 val;
2454 u8 *mac_addr = bp->dev->dev_addr;
2455
2456 val = (mac_addr[0] << 8) | mac_addr[1];
2457
2458 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2459
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002460 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002461 (mac_addr[4] << 8) | mac_addr[5];
2462
2463 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2464}
2465
2466static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002467bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002468{
2469 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002470 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002471 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002472 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002473 struct page *page = alloc_page(GFP_ATOMIC);
2474
2475 if (!page)
2476 return -ENOMEM;
2477 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2478 PCI_DMA_FROMDEVICE);
2479 rx_pg->page = page;
2480 pci_unmap_addr_set(rx_pg, mapping, mapping);
2481 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2482 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2483 return 0;
2484}
2485
2486static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002487bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002488{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002489 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002490 struct page *page = rx_pg->page;
2491
2492 if (!page)
2493 return;
2494
2495 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2496 PCI_DMA_FROMDEVICE);
2497
2498 __free_page(page);
2499 rx_pg->page = NULL;
2500}
2501
2502static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002503bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002504{
2505 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002506 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002507 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002508 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002509 unsigned long align;
2510
Michael Chan932f3772006-08-15 01:39:36 -07002511 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002512 if (skb == NULL) {
2513 return -ENOMEM;
2514 }
2515
Michael Chan59b47d82006-11-19 14:10:45 -08002516 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2517 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002518
Michael Chanb6016b72005-05-26 13:03:09 -07002519 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2520 PCI_DMA_FROMDEVICE);
2521
2522 rx_buf->skb = skb;
2523 pci_unmap_addr_set(rx_buf, mapping, mapping);
2524
2525 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2526 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2527
Michael Chanbb4f98a2008-06-19 16:38:19 -07002528 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002529
2530 return 0;
2531}
2532
Michael Chanda3e4fb2007-05-03 13:24:23 -07002533static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002534bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002535{
Michael Chan43e80b82008-06-19 16:41:08 -07002536 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002537 u32 new_link_state, old_link_state;
2538 int is_set = 1;
2539
2540 new_link_state = sblk->status_attn_bits & event;
2541 old_link_state = sblk->status_attn_bits_ack & event;
2542 if (new_link_state != old_link_state) {
2543 if (new_link_state)
2544 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2545 else
2546 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2547 } else
2548 is_set = 0;
2549
2550 return is_set;
2551}
2552
Michael Chanb6016b72005-05-26 13:03:09 -07002553static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002554bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002555{
Michael Chan74ecc622008-05-02 16:56:16 -07002556 spin_lock(&bp->phy_lock);
2557
2558 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002559 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002560 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002561 bnx2_set_remote_link(bp);
2562
Michael Chan74ecc622008-05-02 16:56:16 -07002563 spin_unlock(&bp->phy_lock);
2564
Michael Chanb6016b72005-05-26 13:03:09 -07002565}
2566
Michael Chanead72702007-12-20 19:55:39 -08002567static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002568bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002569{
2570 u16 cons;
2571
Michael Chan43e80b82008-06-19 16:41:08 -07002572 /* Tell compiler that status block fields can change. */
2573 barrier();
2574 cons = *bnapi->hw_tx_cons_ptr;
Michael Chanead72702007-12-20 19:55:39 -08002575 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2576 cons++;
2577 return cons;
2578}
2579
Michael Chan57851d82007-12-20 20:01:44 -08002580static int
2581bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002582{
Michael Chan35e90102008-06-19 16:37:42 -07002583 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002584 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002585 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002586
Michael Chan35efa7c2007-12-20 19:56:37 -08002587 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002588 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002589
2590 while (sw_cons != hw_cons) {
2591 struct sw_bd *tx_buf;
2592 struct sk_buff *skb;
2593 int i, last;
2594
2595 sw_ring_cons = TX_RING_IDX(sw_cons);
2596
Michael Chan35e90102008-06-19 16:37:42 -07002597 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002598 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002599
Michael Chanb6016b72005-05-26 13:03:09 -07002600 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002601 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002602 u16 last_idx, last_ring_idx;
2603
2604 last_idx = sw_cons +
2605 skb_shinfo(skb)->nr_frags + 1;
2606 last_ring_idx = sw_ring_cons +
2607 skb_shinfo(skb)->nr_frags + 1;
2608 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2609 last_idx++;
2610 }
2611 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2612 break;
2613 }
2614 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002615
Michael Chanb6016b72005-05-26 13:03:09 -07002616 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2617 skb_headlen(skb), PCI_DMA_TODEVICE);
2618
2619 tx_buf->skb = NULL;
2620 last = skb_shinfo(skb)->nr_frags;
2621
2622 for (i = 0; i < last; i++) {
2623 sw_cons = NEXT_TX_BD(sw_cons);
2624
2625 pci_unmap_page(bp->pdev,
2626 pci_unmap_addr(
Michael Chan35e90102008-06-19 16:37:42 -07002627 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
Michael Chanb6016b72005-05-26 13:03:09 -07002628 mapping),
2629 skb_shinfo(skb)->frags[i].size,
2630 PCI_DMA_TODEVICE);
2631 }
2632
2633 sw_cons = NEXT_TX_BD(sw_cons);
2634
Michael Chan745720e2006-06-29 12:37:41 -07002635 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002636 tx_pkt++;
2637 if (tx_pkt == budget)
2638 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002639
Michael Chan35efa7c2007-12-20 19:56:37 -08002640 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002641 }
2642
Michael Chan35e90102008-06-19 16:37:42 -07002643 txr->hw_tx_cons = hw_cons;
2644 txr->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002645 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2646 * before checking for netif_queue_stopped(). Without the
2647 * memory barrier, there is a small possibility that bnx2_start_xmit()
2648 * will miss it and cause the queue to be stopped forever.
2649 */
2650 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002651
Michael Chan2f8af122006-08-15 01:39:10 -07002652 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002653 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002654 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002655 if ((netif_queue_stopped(bp->dev)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002656 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002657 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002658 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002659 }
Michael Chan57851d82007-12-20 20:01:44 -08002660 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002661}
2662
Michael Chan1db82f22007-12-12 11:19:35 -08002663static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002664bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002665 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002666{
2667 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2668 struct rx_bd *cons_bd, *prod_bd;
2669 dma_addr_t mapping;
2670 int i;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002671 u16 hw_prod = rxr->rx_pg_prod, prod;
2672 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002673
2674 for (i = 0; i < count; i++) {
2675 prod = RX_PG_RING_IDX(hw_prod);
2676
Michael Chanbb4f98a2008-06-19 16:38:19 -07002677 prod_rx_pg = &rxr->rx_pg_ring[prod];
2678 cons_rx_pg = &rxr->rx_pg_ring[cons];
2679 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2680 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002681
2682 if (i == 0 && skb) {
2683 struct page *page;
2684 struct skb_shared_info *shinfo;
2685
2686 shinfo = skb_shinfo(skb);
2687 shinfo->nr_frags--;
2688 page = shinfo->frags[shinfo->nr_frags].page;
2689 shinfo->frags[shinfo->nr_frags].page = NULL;
2690 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2691 PCI_DMA_FROMDEVICE);
2692 cons_rx_pg->page = page;
2693 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2694 dev_kfree_skb(skb);
2695 }
2696 if (prod != cons) {
2697 prod_rx_pg->page = cons_rx_pg->page;
2698 cons_rx_pg->page = NULL;
2699 pci_unmap_addr_set(prod_rx_pg, mapping,
2700 pci_unmap_addr(cons_rx_pg, mapping));
2701
2702 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2703 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2704
2705 }
2706 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2707 hw_prod = NEXT_RX_BD(hw_prod);
2708 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002709 rxr->rx_pg_prod = hw_prod;
2710 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002711}
2712
Michael Chanb6016b72005-05-26 13:03:09 -07002713static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002714bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2715 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002716{
Michael Chan236b6392006-03-20 17:49:02 -08002717 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2718 struct rx_bd *cons_bd, *prod_bd;
2719
Michael Chanbb4f98a2008-06-19 16:38:19 -07002720 cons_rx_buf = &rxr->rx_buf_ring[cons];
2721 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002722
2723 pci_dma_sync_single_for_device(bp->pdev,
2724 pci_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002725 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002726
Michael Chanbb4f98a2008-06-19 16:38:19 -07002727 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002728
2729 prod_rx_buf->skb = skb;
2730
2731 if (cons == prod)
2732 return;
2733
Michael Chanb6016b72005-05-26 13:03:09 -07002734 pci_unmap_addr_set(prod_rx_buf, mapping,
2735 pci_unmap_addr(cons_rx_buf, mapping));
2736
Michael Chanbb4f98a2008-06-19 16:38:19 -07002737 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2738 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002739 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2740 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002741}
2742
Michael Chan85833c62007-12-12 11:17:01 -08002743static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002744bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002745 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2746 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002747{
2748 int err;
2749 u16 prod = ring_idx & 0xffff;
2750
Michael Chanbb4f98a2008-06-19 16:38:19 -07002751 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002752 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002753 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002754 if (hdr_len) {
2755 unsigned int raw_len = len + 4;
2756 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2757
Michael Chanbb4f98a2008-06-19 16:38:19 -07002758 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002759 }
Michael Chan85833c62007-12-12 11:17:01 -08002760 return err;
2761 }
2762
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002763 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002764 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2765 PCI_DMA_FROMDEVICE);
2766
Michael Chan1db82f22007-12-12 11:19:35 -08002767 if (hdr_len == 0) {
2768 skb_put(skb, len);
2769 return 0;
2770 } else {
2771 unsigned int i, frag_len, frag_size, pages;
2772 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002773 u16 pg_cons = rxr->rx_pg_cons;
2774 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002775
2776 frag_size = len + 4 - hdr_len;
2777 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2778 skb_put(skb, hdr_len);
2779
2780 for (i = 0; i < pages; i++) {
2781 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2782 if (unlikely(frag_len <= 4)) {
2783 unsigned int tail = 4 - frag_len;
2784
Michael Chanbb4f98a2008-06-19 16:38:19 -07002785 rxr->rx_pg_cons = pg_cons;
2786 rxr->rx_pg_prod = pg_prod;
2787 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08002788 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002789 skb->len -= tail;
2790 if (i == 0) {
2791 skb->tail -= tail;
2792 } else {
2793 skb_frag_t *frag =
2794 &skb_shinfo(skb)->frags[i - 1];
2795 frag->size -= tail;
2796 skb->data_len -= tail;
2797 skb->truesize -= tail;
2798 }
2799 return 0;
2800 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002801 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08002802
2803 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2804 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2805
2806 if (i == pages - 1)
2807 frag_len -= 4;
2808
2809 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2810 rx_pg->page = NULL;
2811
Michael Chanbb4f98a2008-06-19 16:38:19 -07002812 err = bnx2_alloc_rx_page(bp, rxr,
2813 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08002814 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002815 rxr->rx_pg_cons = pg_cons;
2816 rxr->rx_pg_prod = pg_prod;
2817 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08002818 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002819 return err;
2820 }
2821
2822 frag_size -= frag_len;
2823 skb->data_len += frag_len;
2824 skb->truesize += frag_len;
2825 skb->len += frag_len;
2826
2827 pg_prod = NEXT_RX_BD(pg_prod);
2828 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2829 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002830 rxr->rx_pg_prod = pg_prod;
2831 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002832 }
Michael Chan85833c62007-12-12 11:17:01 -08002833 return 0;
2834}
2835
Michael Chanc09c2622007-12-10 17:18:37 -08002836static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002837bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002838{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002839 u16 cons;
2840
Michael Chan43e80b82008-06-19 16:41:08 -07002841 /* Tell compiler that status block fields can change. */
2842 barrier();
2843 cons = *bnapi->hw_rx_cons_ptr;
Michael Chanc09c2622007-12-10 17:18:37 -08002844 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2845 cons++;
2846 return cons;
2847}
2848
Michael Chanb6016b72005-05-26 13:03:09 -07002849static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002850bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002851{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002852 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002853 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2854 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002855 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002856
Michael Chan35efa7c2007-12-20 19:56:37 -08002857 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07002858 sw_cons = rxr->rx_cons;
2859 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002860
2861 /* Memory barrier necessary as speculative reads of the rx
2862 * buffer can be ahead of the index in the status block
2863 */
2864 rmb();
2865 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002866 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002867 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002868 struct sw_bd *rx_buf;
2869 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002870 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002871
2872 sw_ring_cons = RX_RING_IDX(sw_cons);
2873 sw_ring_prod = RX_RING_IDX(sw_prod);
2874
Michael Chanbb4f98a2008-06-19 16:38:19 -07002875 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002876 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002877
2878 rx_buf->skb = NULL;
2879
2880 dma_addr = pci_unmap_addr(rx_buf, mapping);
2881
2882 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07002883 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2884 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002885
2886 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002887 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002888
Michael Chanade2bfe2006-01-23 16:09:51 -08002889 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002890 (L2_FHDR_ERRORS_BAD_CRC |
2891 L2_FHDR_ERRORS_PHY_DECODE |
2892 L2_FHDR_ERRORS_ALIGNMENT |
2893 L2_FHDR_ERRORS_TOO_SHORT |
2894 L2_FHDR_ERRORS_GIANT_FRAME)) {
2895
Michael Chanbb4f98a2008-06-19 16:38:19 -07002896 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chana1f60192007-12-20 19:57:19 -08002897 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002898 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002899 }
Michael Chan1db82f22007-12-12 11:19:35 -08002900 hdr_len = 0;
2901 if (status & L2_FHDR_STATUS_SPLIT) {
2902 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2903 pg_ring_used = 1;
2904 } else if (len > bp->rx_jumbo_thresh) {
2905 hdr_len = bp->rx_jumbo_thresh;
2906 pg_ring_used = 1;
2907 }
2908
2909 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002910
Michael Chan5d5d0012007-12-12 11:17:43 -08002911 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002912 struct sk_buff *new_skb;
2913
Michael Chan932f3772006-08-15 01:39:36 -07002914 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002915 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002916 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002917 sw_ring_prod);
2918 goto next_rx;
2919 }
Michael Chanb6016b72005-05-26 13:03:09 -07002920
2921 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002922 skb_copy_from_linear_data_offset(skb,
2923 BNX2_RX_OFFSET - 2,
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002924 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002925 skb_reserve(new_skb, 2);
2926 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002927
Michael Chanbb4f98a2008-06-19 16:38:19 -07002928 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002929 sw_ring_cons, sw_ring_prod);
2930
2931 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002932 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08002933 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002934 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002935
2936 skb->protocol = eth_type_trans(skb, bp->dev);
2937
2938 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002939 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002940
Michael Chan745720e2006-06-29 12:37:41 -07002941 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002942 goto next_rx;
2943
2944 }
2945
Michael Chanb6016b72005-05-26 13:03:09 -07002946 skb->ip_summed = CHECKSUM_NONE;
2947 if (bp->rx_csum &&
2948 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2949 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2950
Michael Chanade2bfe2006-01-23 16:09:51 -08002951 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2952 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002953 skb->ip_summed = CHECKSUM_UNNECESSARY;
2954 }
2955
2956#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002957 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002958 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2959 rx_hdr->l2_fhdr_vlan_tag);
2960 }
2961 else
2962#endif
2963 netif_receive_skb(skb);
2964
2965 bp->dev->last_rx = jiffies;
2966 rx_pkt++;
2967
2968next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002969 sw_cons = NEXT_RX_BD(sw_cons);
2970 sw_prod = NEXT_RX_BD(sw_prod);
2971
2972 if ((rx_pkt == budget))
2973 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002974
2975 /* Refresh hw_cons to see if there is new work */
2976 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002977 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002978 rmb();
2979 }
Michael Chanb6016b72005-05-26 13:03:09 -07002980 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002981 rxr->rx_cons = sw_cons;
2982 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002983
Michael Chan1db82f22007-12-12 11:19:35 -08002984 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07002985 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002986
Michael Chanbb4f98a2008-06-19 16:38:19 -07002987 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07002988
Michael Chanbb4f98a2008-06-19 16:38:19 -07002989 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002990
2991 mmiowb();
2992
2993 return rx_pkt;
2994
2995}
2996
2997/* MSI ISR - The only difference between this and the INTx ISR
2998 * is that the MSI interrupt is always serviced.
2999 */
3000static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003001bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003002{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003003 struct bnx2_napi *bnapi = dev_instance;
3004 struct bnx2 *bp = bnapi->bp;
3005 struct net_device *dev = bp->dev;
Michael Chanb6016b72005-05-26 13:03:09 -07003006
Michael Chan43e80b82008-06-19 16:41:08 -07003007 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003008 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3009 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3010 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3011
3012 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003013 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3014 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003015
Michael Chan35efa7c2007-12-20 19:56:37 -08003016 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003017
Michael Chan73eef4c2005-08-25 15:39:15 -07003018 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003019}
3020
3021static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003022bnx2_msi_1shot(int irq, void *dev_instance)
3023{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003024 struct bnx2_napi *bnapi = dev_instance;
3025 struct bnx2 *bp = bnapi->bp;
3026 struct net_device *dev = bp->dev;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003027
Michael Chan43e80b82008-06-19 16:41:08 -07003028 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003029
3030 /* Return here if interrupt is disabled. */
3031 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3032 return IRQ_HANDLED;
3033
Michael Chan35efa7c2007-12-20 19:56:37 -08003034 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003035
3036 return IRQ_HANDLED;
3037}
3038
3039static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003040bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003041{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003042 struct bnx2_napi *bnapi = dev_instance;
3043 struct bnx2 *bp = bnapi->bp;
3044 struct net_device *dev = bp->dev;
Michael Chan43e80b82008-06-19 16:41:08 -07003045 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003046
3047 /* When using INTx, it is possible for the interrupt to arrive
3048 * at the CPU before the status block posted prior to the
3049 * interrupt. Reading a register will flush the status block.
3050 * When using MSI, the MSI message will always complete after
3051 * the status block write.
3052 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003053 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003054 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3055 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003056 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003057
3058 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3059 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3060 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3061
Michael Chanb8a7ce72007-07-07 22:51:03 -07003062 /* Read back to deassert IRQ immediately to avoid too many
3063 * spurious interrupts.
3064 */
3065 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3066
Michael Chanb6016b72005-05-26 13:03:09 -07003067 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003068 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3069 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003070
Michael Chan35efa7c2007-12-20 19:56:37 -08003071 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3072 bnapi->last_status_idx = sblk->status_idx;
3073 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003074 }
Michael Chanb6016b72005-05-26 13:03:09 -07003075
Michael Chan73eef4c2005-08-25 15:39:15 -07003076 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003077}
3078
Michael Chan43e80b82008-06-19 16:41:08 -07003079static inline int
3080bnx2_has_fast_work(struct bnx2_napi *bnapi)
3081{
3082 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3083 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3084
3085 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3086 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3087 return 1;
3088 return 0;
3089}
3090
Michael Chan0d8a6572007-07-07 22:49:43 -07003091#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3092 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003093
Michael Chanf4e418f2005-11-04 08:53:48 -08003094static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003095bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003096{
Michael Chan43e80b82008-06-19 16:41:08 -07003097 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003098
Michael Chan43e80b82008-06-19 16:41:08 -07003099 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003100 return 1;
3101
Michael Chanda3e4fb2007-05-03 13:24:23 -07003102 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3103 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003104 return 1;
3105
3106 return 0;
3107}
3108
Michael Chan43e80b82008-06-19 16:41:08 -07003109static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003110{
Michael Chan43e80b82008-06-19 16:41:08 -07003111 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003112 u32 status_attn_bits = sblk->status_attn_bits;
3113 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003114
Michael Chanda3e4fb2007-05-03 13:24:23 -07003115 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3116 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003117
Michael Chan35efa7c2007-12-20 19:56:37 -08003118 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003119
3120 /* This is needed to take care of transient status
3121 * during link changes.
3122 */
3123 REG_WR(bp, BNX2_HC_COMMAND,
3124 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3125 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003126 }
Michael Chan43e80b82008-06-19 16:41:08 -07003127}
3128
3129static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3130 int work_done, int budget)
3131{
3132 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3133 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003134
Michael Chan35e90102008-06-19 16:37:42 -07003135 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003136 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003137
Michael Chanbb4f98a2008-06-19 16:38:19 -07003138 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003139 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003140
David S. Miller6f535762007-10-11 18:08:29 -07003141 return work_done;
3142}
Michael Chanf4e418f2005-11-04 08:53:48 -08003143
Michael Chanf0ea2e62008-06-19 16:41:57 -07003144static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3145{
3146 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3147 struct bnx2 *bp = bnapi->bp;
3148 int work_done = 0;
3149 struct status_block_msix *sblk = bnapi->status_blk.msix;
3150
3151 while (1) {
3152 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3153 if (unlikely(work_done >= budget))
3154 break;
3155
3156 bnapi->last_status_idx = sblk->status_idx;
3157 /* status idx must be read before checking for more work. */
3158 rmb();
3159 if (likely(!bnx2_has_fast_work(bnapi))) {
3160
3161 netif_rx_complete(bp->dev, napi);
3162 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3163 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3164 bnapi->last_status_idx);
3165 break;
3166 }
3167 }
3168 return work_done;
3169}
3170
David S. Miller6f535762007-10-11 18:08:29 -07003171static int bnx2_poll(struct napi_struct *napi, int budget)
3172{
Michael Chan35efa7c2007-12-20 19:56:37 -08003173 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3174 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003175 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003176 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003177
3178 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003179 bnx2_poll_link(bp, bnapi);
3180
Michael Chan35efa7c2007-12-20 19:56:37 -08003181 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003182
3183 if (unlikely(work_done >= budget))
3184 break;
3185
Michael Chan35efa7c2007-12-20 19:56:37 -08003186 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003187 * much work has been processed, so we must read it before
3188 * checking for more work.
3189 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003190 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003191 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003192 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003193 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003194 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003195 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3196 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003197 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003198 break;
David S. Miller6f535762007-10-11 18:08:29 -07003199 }
3200 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3201 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3202 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003203 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003204
Michael Chan1269a8a2006-01-23 16:11:03 -08003205 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3206 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003207 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003208 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003209 }
Michael Chanb6016b72005-05-26 13:03:09 -07003210 }
3211
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003212 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003213}
3214
Herbert Xu932ff272006-06-09 12:20:56 -07003215/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003216 * from set_multicast.
3217 */
3218static void
3219bnx2_set_rx_mode(struct net_device *dev)
3220{
Michael Chan972ec0d2006-01-23 16:12:43 -08003221 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003222 u32 rx_mode, sort_mode;
3223 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003224
Michael Chanc770a652005-08-25 15:38:39 -07003225 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003226
3227 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3228 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3229 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3230#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003231 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003232 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003233#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003234 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003235 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003236#endif
3237 if (dev->flags & IFF_PROMISC) {
3238 /* Promiscuous mode. */
3239 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003240 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3241 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003242 }
3243 else if (dev->flags & IFF_ALLMULTI) {
3244 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3245 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3246 0xffffffff);
3247 }
3248 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3249 }
3250 else {
3251 /* Accept one or more multicast(s). */
3252 struct dev_mc_list *mclist;
3253 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3254 u32 regidx;
3255 u32 bit;
3256 u32 crc;
3257
3258 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3259
3260 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3261 i++, mclist = mclist->next) {
3262
3263 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3264 bit = crc & 0xff;
3265 regidx = (bit & 0xe0) >> 5;
3266 bit &= 0x1f;
3267 mc_filter[regidx] |= (1 << bit);
3268 }
3269
3270 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3271 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3272 mc_filter[i]);
3273 }
3274
3275 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3276 }
3277
3278 if (rx_mode != bp->rx_mode) {
3279 bp->rx_mode = rx_mode;
3280 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3281 }
3282
3283 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3284 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3285 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3286
Michael Chanc770a652005-08-25 15:38:39 -07003287 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003288}
3289
3290static void
Al Virob491edd2007-12-22 19:44:51 +00003291load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003292 u32 rv2p_proc)
3293{
3294 int i;
3295 u32 val;
3296
Michael Chand25be1d2008-05-02 16:57:59 -07003297 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3298 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3299 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3300 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3301 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3302 }
Michael Chanb6016b72005-05-26 13:03:09 -07003303
3304 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003305 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003306 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003307 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003308 rv2p_code++;
3309
3310 if (rv2p_proc == RV2P_PROC1) {
3311 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3312 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3313 }
3314 else {
3315 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3316 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3317 }
3318 }
3319
3320 /* Reset the processor, un-stall is done later. */
3321 if (rv2p_proc == RV2P_PROC1) {
3322 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3323 }
3324 else {
3325 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3326 }
3327}
3328
Michael Chanaf3ee512006-11-19 14:09:25 -08003329static int
Benjamin Li10343cc2008-05-16 22:20:27 -07003330load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
Michael Chanb6016b72005-05-26 13:03:09 -07003331{
3332 u32 offset;
3333 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003334 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003335
3336 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003337 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003338 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003339 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3340 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003341
3342 /* Load the Text area. */
3343 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003344 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003345 int j;
3346
Michael Chanea1f8d52007-10-02 16:27:35 -07003347 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3348 fw->gz_text_len);
3349 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003350 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003351
Michael Chanb6016b72005-05-26 13:03:09 -07003352 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003353 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003354 }
3355 }
3356
3357 /* Load the Data area. */
3358 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3359 if (fw->data) {
3360 int j;
3361
3362 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003363 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003364 }
3365 }
3366
3367 /* Load the SBSS area. */
3368 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003369 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003370 int j;
3371
3372 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003373 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003374 }
3375 }
3376
3377 /* Load the BSS area. */
3378 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003379 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003380 int j;
3381
3382 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003383 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003384 }
3385 }
3386
3387 /* Load the Read-Only area. */
3388 offset = cpu_reg->spad_base +
3389 (fw->rodata_addr - cpu_reg->mips_view_base);
3390 if (fw->rodata) {
3391 int j;
3392
3393 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003394 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003395 }
3396 }
3397
3398 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003399 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3400 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003401
3402 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003403 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003404 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003405 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3406 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003407
3408 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003409}
3410
Michael Chanfba9fe92006-06-12 22:21:25 -07003411static int
Michael Chanb6016b72005-05-26 13:03:09 -07003412bnx2_init_cpus(struct bnx2 *bp)
3413{
Michael Chanaf3ee512006-11-19 14:09:25 -08003414 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003415 int rc, rv2p_len;
3416 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003417
3418 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003419 text = vmalloc(FW_BUF_SIZE);
3420 if (!text)
3421 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003422 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3423 rv2p = bnx2_xi_rv2p_proc1;
3424 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3425 } else {
3426 rv2p = bnx2_rv2p_proc1;
3427 rv2p_len = sizeof(bnx2_rv2p_proc1);
3428 }
3429 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003430 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003431 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003432
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003433 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003434
Michael Chan110d0ef2007-12-12 11:18:34 -08003435 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3436 rv2p = bnx2_xi_rv2p_proc2;
3437 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3438 } else {
3439 rv2p = bnx2_rv2p_proc2;
3440 rv2p_len = sizeof(bnx2_rv2p_proc2);
3441 }
3442 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003443 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003444 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003445
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003446 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003447
3448 /* Initialize the RX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003449 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3450 fw = &bnx2_rxp_fw_09;
3451 else
3452 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003453
Michael Chanea1f8d52007-10-02 16:27:35 -07003454 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003455 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003456 if (rc)
3457 goto init_cpu_err;
3458
Michael Chanb6016b72005-05-26 13:03:09 -07003459 /* Initialize the TX Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003460 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3461 fw = &bnx2_txp_fw_09;
3462 else
3463 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003464
Michael Chanea1f8d52007-10-02 16:27:35 -07003465 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003466 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003467 if (rc)
3468 goto init_cpu_err;
3469
Michael Chanb6016b72005-05-26 13:03:09 -07003470 /* Initialize the TX Patch-up Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003471 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3472 fw = &bnx2_tpat_fw_09;
3473 else
3474 fw = &bnx2_tpat_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_tpat, 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 Completion Processor. */
Michael Chand43584c2006-11-19 14:14:35 -08003482 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3483 fw = &bnx2_com_fw_09;
3484 else
3485 fw = &bnx2_com_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_com, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003489 if (rc)
3490 goto init_cpu_err;
3491
Michael Chand43584c2006-11-19 14:14:35 -08003492 /* Initialize the Command Processor. */
Michael Chan110d0ef2007-12-12 11:18:34 -08003493 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003494 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003495 else
3496 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003497
Michael Chan110d0ef2007-12-12 11:18:34 -08003498 fw->text = text;
Benjamin Li10343cc2008-05-16 22:20:27 -07003499 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
Michael Chan110d0ef2007-12-12 11:18:34 -08003500
Michael Chanfba9fe92006-06-12 22:21:25 -07003501init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003502 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003503 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003504}
3505
3506static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003507bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003508{
3509 u16 pmcsr;
3510
3511 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3512
3513 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003514 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003515 u32 val;
3516
3517 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3518 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3519 PCI_PM_CTRL_PME_STATUS);
3520
3521 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3522 /* delay required during transition out of D3hot */
3523 msleep(20);
3524
3525 val = REG_RD(bp, BNX2_EMAC_MODE);
3526 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3527 val &= ~BNX2_EMAC_MODE_MPKT;
3528 REG_WR(bp, BNX2_EMAC_MODE, val);
3529
3530 val = REG_RD(bp, BNX2_RPM_CONFIG);
3531 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3532 REG_WR(bp, BNX2_RPM_CONFIG, val);
3533 break;
3534 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003535 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003536 int i;
3537 u32 val, wol_msg;
3538
3539 if (bp->wol) {
3540 u32 advertising;
3541 u8 autoneg;
3542
3543 autoneg = bp->autoneg;
3544 advertising = bp->advertising;
3545
Michael Chan239cd342007-10-17 19:26:15 -07003546 if (bp->phy_port == PORT_TP) {
3547 bp->autoneg = AUTONEG_SPEED;
3548 bp->advertising = ADVERTISED_10baseT_Half |
3549 ADVERTISED_10baseT_Full |
3550 ADVERTISED_100baseT_Half |
3551 ADVERTISED_100baseT_Full |
3552 ADVERTISED_Autoneg;
3553 }
Michael Chanb6016b72005-05-26 13:03:09 -07003554
Michael Chan239cd342007-10-17 19:26:15 -07003555 spin_lock_bh(&bp->phy_lock);
3556 bnx2_setup_phy(bp, bp->phy_port);
3557 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003558
3559 bp->autoneg = autoneg;
3560 bp->advertising = advertising;
3561
3562 bnx2_set_mac_addr(bp);
3563
3564 val = REG_RD(bp, BNX2_EMAC_MODE);
3565
3566 /* Enable port mode. */
3567 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003568 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003569 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003570 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003571 if (bp->phy_port == PORT_TP)
3572 val |= BNX2_EMAC_MODE_PORT_MII;
3573 else {
3574 val |= BNX2_EMAC_MODE_PORT_GMII;
3575 if (bp->line_speed == SPEED_2500)
3576 val |= BNX2_EMAC_MODE_25G_MODE;
3577 }
Michael Chanb6016b72005-05-26 13:03:09 -07003578
3579 REG_WR(bp, BNX2_EMAC_MODE, val);
3580
3581 /* receive all multicast */
3582 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3583 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3584 0xffffffff);
3585 }
3586 REG_WR(bp, BNX2_EMAC_RX_MODE,
3587 BNX2_EMAC_RX_MODE_SORT_MODE);
3588
3589 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3590 BNX2_RPM_SORT_USER0_MC_EN;
3591 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3592 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3593 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3594 BNX2_RPM_SORT_USER0_ENA);
3595
3596 /* Need to enable EMAC and RPM for WOL. */
3597 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3598 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3599 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3600 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3601
3602 val = REG_RD(bp, BNX2_RPM_CONFIG);
3603 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3604 REG_WR(bp, BNX2_RPM_CONFIG, val);
3605
3606 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3607 }
3608 else {
3609 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3610 }
3611
David S. Millerf86e82f2008-01-21 17:15:40 -08003612 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003613 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003614
3615 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3616 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3617 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3618
3619 if (bp->wol)
3620 pmcsr |= 3;
3621 }
3622 else {
3623 pmcsr |= 3;
3624 }
3625 if (bp->wol) {
3626 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3627 }
3628 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3629 pmcsr);
3630
3631 /* No more memory access after this point until
3632 * device is brought back to D0.
3633 */
3634 udelay(50);
3635 break;
3636 }
3637 default:
3638 return -EINVAL;
3639 }
3640 return 0;
3641}
3642
3643static int
3644bnx2_acquire_nvram_lock(struct bnx2 *bp)
3645{
3646 u32 val;
3647 int j;
3648
3649 /* Request access to the flash interface. */
3650 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3651 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3652 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3653 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3654 break;
3655
3656 udelay(5);
3657 }
3658
3659 if (j >= NVRAM_TIMEOUT_COUNT)
3660 return -EBUSY;
3661
3662 return 0;
3663}
3664
3665static int
3666bnx2_release_nvram_lock(struct bnx2 *bp)
3667{
3668 int j;
3669 u32 val;
3670
3671 /* Relinquish nvram interface. */
3672 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3673
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
3688
3689static int
3690bnx2_enable_nvram_write(struct bnx2 *bp)
3691{
3692 u32 val;
3693
3694 val = REG_RD(bp, BNX2_MISC_CFG);
3695 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3696
Michael Chane30372c2007-07-16 18:26:23 -07003697 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003698 int j;
3699
3700 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3701 REG_WR(bp, BNX2_NVM_COMMAND,
3702 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3703
3704 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3705 udelay(5);
3706
3707 val = REG_RD(bp, BNX2_NVM_COMMAND);
3708 if (val & BNX2_NVM_COMMAND_DONE)
3709 break;
3710 }
3711
3712 if (j >= NVRAM_TIMEOUT_COUNT)
3713 return -EBUSY;
3714 }
3715 return 0;
3716}
3717
3718static void
3719bnx2_disable_nvram_write(struct bnx2 *bp)
3720{
3721 u32 val;
3722
3723 val = REG_RD(bp, BNX2_MISC_CFG);
3724 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3725}
3726
3727
3728static void
3729bnx2_enable_nvram_access(struct bnx2 *bp)
3730{
3731 u32 val;
3732
3733 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3734 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003735 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003736 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3737}
3738
3739static void
3740bnx2_disable_nvram_access(struct bnx2 *bp)
3741{
3742 u32 val;
3743
3744 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3745 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003746 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003747 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3748 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3749}
3750
3751static int
3752bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3753{
3754 u32 cmd;
3755 int j;
3756
Michael Chane30372c2007-07-16 18:26:23 -07003757 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003758 /* Buffered flash, no erase needed */
3759 return 0;
3760
3761 /* Build an erase command */
3762 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3763 BNX2_NVM_COMMAND_DOIT;
3764
3765 /* Need to clear DONE bit separately. */
3766 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3767
3768 /* Address of the NVRAM to read from. */
3769 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3770
3771 /* Issue an erase command. */
3772 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3773
3774 /* Wait for completion. */
3775 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3776 u32 val;
3777
3778 udelay(5);
3779
3780 val = REG_RD(bp, BNX2_NVM_COMMAND);
3781 if (val & BNX2_NVM_COMMAND_DONE)
3782 break;
3783 }
3784
3785 if (j >= NVRAM_TIMEOUT_COUNT)
3786 return -EBUSY;
3787
3788 return 0;
3789}
3790
3791static int
3792bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3793{
3794 u32 cmd;
3795 int j;
3796
3797 /* Build the command word. */
3798 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3799
Michael Chane30372c2007-07-16 18:26:23 -07003800 /* Calculate an offset of a buffered flash, not needed for 5709. */
3801 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003802 offset = ((offset / bp->flash_info->page_size) <<
3803 bp->flash_info->page_bits) +
3804 (offset % bp->flash_info->page_size);
3805 }
3806
3807 /* Need to clear DONE bit separately. */
3808 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3809
3810 /* Address of the NVRAM to read from. */
3811 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3812
3813 /* Issue a read command. */
3814 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3815
3816 /* Wait for completion. */
3817 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3818 u32 val;
3819
3820 udelay(5);
3821
3822 val = REG_RD(bp, BNX2_NVM_COMMAND);
3823 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003824 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3825 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003826 break;
3827 }
3828 }
3829 if (j >= NVRAM_TIMEOUT_COUNT)
3830 return -EBUSY;
3831
3832 return 0;
3833}
3834
3835
3836static int
3837bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3838{
Al Virob491edd2007-12-22 19:44:51 +00003839 u32 cmd;
3840 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003841 int j;
3842
3843 /* Build the command word. */
3844 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3845
Michael Chane30372c2007-07-16 18:26:23 -07003846 /* Calculate an offset of a buffered flash, not needed for 5709. */
3847 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003848 offset = ((offset / bp->flash_info->page_size) <<
3849 bp->flash_info->page_bits) +
3850 (offset % bp->flash_info->page_size);
3851 }
3852
3853 /* Need to clear DONE bit separately. */
3854 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3855
3856 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003857
3858 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003859 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003860
3861 /* Address of the NVRAM to write to. */
3862 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3863
3864 /* Issue the write command. */
3865 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3866
3867 /* Wait for completion. */
3868 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3869 udelay(5);
3870
3871 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3872 break;
3873 }
3874 if (j >= NVRAM_TIMEOUT_COUNT)
3875 return -EBUSY;
3876
3877 return 0;
3878}
3879
3880static int
3881bnx2_init_nvram(struct bnx2 *bp)
3882{
3883 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003884 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003885 struct flash_spec *flash;
3886
Michael Chane30372c2007-07-16 18:26:23 -07003887 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3888 bp->flash_info = &flash_5709;
3889 goto get_flash_size;
3890 }
3891
Michael Chanb6016b72005-05-26 13:03:09 -07003892 /* Determine the selected interface. */
3893 val = REG_RD(bp, BNX2_NVM_CFG1);
3894
Denis Chengff8ac602007-09-02 18:30:18 +08003895 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003896
Michael Chanb6016b72005-05-26 13:03:09 -07003897 if (val & 0x40000000) {
3898
3899 /* Flash interface has been reconfigured */
3900 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003901 j++, flash++) {
3902 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3903 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003904 bp->flash_info = flash;
3905 break;
3906 }
3907 }
3908 }
3909 else {
Michael Chan37137702005-11-04 08:49:17 -08003910 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003911 /* Not yet been reconfigured */
3912
Michael Chan37137702005-11-04 08:49:17 -08003913 if (val & (1 << 23))
3914 mask = FLASH_BACKUP_STRAP_MASK;
3915 else
3916 mask = FLASH_STRAP_MASK;
3917
Michael Chanb6016b72005-05-26 13:03:09 -07003918 for (j = 0, flash = &flash_table[0]; j < entry_count;
3919 j++, flash++) {
3920
Michael Chan37137702005-11-04 08:49:17 -08003921 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003922 bp->flash_info = flash;
3923
3924 /* Request access to the flash interface. */
3925 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3926 return rc;
3927
3928 /* Enable access to flash interface */
3929 bnx2_enable_nvram_access(bp);
3930
3931 /* Reconfigure the flash interface */
3932 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3933 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3934 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3935 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3936
3937 /* Disable access to flash interface */
3938 bnx2_disable_nvram_access(bp);
3939 bnx2_release_nvram_lock(bp);
3940
3941 break;
3942 }
3943 }
3944 } /* if (val & 0x40000000) */
3945
3946 if (j == entry_count) {
3947 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003948 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003949 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003950 }
3951
Michael Chane30372c2007-07-16 18:26:23 -07003952get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003953 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003954 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3955 if (val)
3956 bp->flash_size = val;
3957 else
3958 bp->flash_size = bp->flash_info->total_size;
3959
Michael Chanb6016b72005-05-26 13:03:09 -07003960 return rc;
3961}
3962
3963static int
3964bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3965 int buf_size)
3966{
3967 int rc = 0;
3968 u32 cmd_flags, offset32, len32, extra;
3969
3970 if (buf_size == 0)
3971 return 0;
3972
3973 /* Request access to the flash interface. */
3974 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3975 return rc;
3976
3977 /* Enable access to flash interface */
3978 bnx2_enable_nvram_access(bp);
3979
3980 len32 = buf_size;
3981 offset32 = offset;
3982 extra = 0;
3983
3984 cmd_flags = 0;
3985
3986 if (offset32 & 3) {
3987 u8 buf[4];
3988 u32 pre_len;
3989
3990 offset32 &= ~3;
3991 pre_len = 4 - (offset & 3);
3992
3993 if (pre_len >= len32) {
3994 pre_len = len32;
3995 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3996 BNX2_NVM_COMMAND_LAST;
3997 }
3998 else {
3999 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4000 }
4001
4002 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4003
4004 if (rc)
4005 return rc;
4006
4007 memcpy(ret_buf, buf + (offset & 3), pre_len);
4008
4009 offset32 += 4;
4010 ret_buf += pre_len;
4011 len32 -= pre_len;
4012 }
4013 if (len32 & 3) {
4014 extra = 4 - (len32 & 3);
4015 len32 = (len32 + 4) & ~3;
4016 }
4017
4018 if (len32 == 4) {
4019 u8 buf[4];
4020
4021 if (cmd_flags)
4022 cmd_flags = BNX2_NVM_COMMAND_LAST;
4023 else
4024 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4025 BNX2_NVM_COMMAND_LAST;
4026
4027 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4028
4029 memcpy(ret_buf, buf, 4 - extra);
4030 }
4031 else if (len32 > 0) {
4032 u8 buf[4];
4033
4034 /* Read the first word. */
4035 if (cmd_flags)
4036 cmd_flags = 0;
4037 else
4038 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4039
4040 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4041
4042 /* Advance to the next dword. */
4043 offset32 += 4;
4044 ret_buf += 4;
4045 len32 -= 4;
4046
4047 while (len32 > 4 && rc == 0) {
4048 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4049
4050 /* Advance to the next dword. */
4051 offset32 += 4;
4052 ret_buf += 4;
4053 len32 -= 4;
4054 }
4055
4056 if (rc)
4057 return rc;
4058
4059 cmd_flags = BNX2_NVM_COMMAND_LAST;
4060 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4061
4062 memcpy(ret_buf, buf, 4 - extra);
4063 }
4064
4065 /* Disable access to flash interface */
4066 bnx2_disable_nvram_access(bp);
4067
4068 bnx2_release_nvram_lock(bp);
4069
4070 return rc;
4071}
4072
4073static int
4074bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4075 int buf_size)
4076{
4077 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004078 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004079 int rc = 0;
4080 int align_start, align_end;
4081
4082 buf = data_buf;
4083 offset32 = offset;
4084 len32 = buf_size;
4085 align_start = align_end = 0;
4086
4087 if ((align_start = (offset32 & 3))) {
4088 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004089 len32 += align_start;
4090 if (len32 < 4)
4091 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004092 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4093 return rc;
4094 }
4095
4096 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004097 align_end = 4 - (len32 & 3);
4098 len32 += align_end;
4099 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4100 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004101 }
4102
4103 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004104 align_buf = kmalloc(len32, GFP_KERNEL);
4105 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004106 return -ENOMEM;
4107 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004108 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004109 }
4110 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004111 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004112 }
Michael Chane6be7632007-01-08 19:56:13 -08004113 memcpy(align_buf + align_start, data_buf, buf_size);
4114 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004115 }
4116
Michael Chane30372c2007-07-16 18:26:23 -07004117 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004118 flash_buffer = kmalloc(264, GFP_KERNEL);
4119 if (flash_buffer == NULL) {
4120 rc = -ENOMEM;
4121 goto nvram_write_end;
4122 }
4123 }
4124
Michael Chanb6016b72005-05-26 13:03:09 -07004125 written = 0;
4126 while ((written < len32) && (rc == 0)) {
4127 u32 page_start, page_end, data_start, data_end;
4128 u32 addr, cmd_flags;
4129 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004130
4131 /* Find the page_start addr */
4132 page_start = offset32 + written;
4133 page_start -= (page_start % bp->flash_info->page_size);
4134 /* Find the page_end addr */
4135 page_end = page_start + bp->flash_info->page_size;
4136 /* Find the data_start addr */
4137 data_start = (written == 0) ? offset32 : page_start;
4138 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004139 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004140 (offset32 + len32) : page_end;
4141
4142 /* Request access to the flash interface. */
4143 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4144 goto nvram_write_end;
4145
4146 /* Enable access to flash interface */
4147 bnx2_enable_nvram_access(bp);
4148
4149 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004150 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004151 int j;
4152
4153 /* Read the whole page into the buffer
4154 * (non-buffer flash only) */
4155 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4156 if (j == (bp->flash_info->page_size - 4)) {
4157 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4158 }
4159 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004160 page_start + j,
4161 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004162 cmd_flags);
4163
4164 if (rc)
4165 goto nvram_write_end;
4166
4167 cmd_flags = 0;
4168 }
4169 }
4170
4171 /* Enable writes to flash interface (unlock write-protect) */
4172 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4173 goto nvram_write_end;
4174
Michael Chanb6016b72005-05-26 13:03:09 -07004175 /* Loop to write back the buffer data from page_start to
4176 * data_start */
4177 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004178 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004179 /* Erase the page */
4180 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4181 goto nvram_write_end;
4182
4183 /* Re-enable the write again for the actual write */
4184 bnx2_enable_nvram_write(bp);
4185
Michael Chanb6016b72005-05-26 13:03:09 -07004186 for (addr = page_start; addr < data_start;
4187 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004188
Michael Chanb6016b72005-05-26 13:03:09 -07004189 rc = bnx2_nvram_write_dword(bp, addr,
4190 &flash_buffer[i], cmd_flags);
4191
4192 if (rc != 0)
4193 goto nvram_write_end;
4194
4195 cmd_flags = 0;
4196 }
4197 }
4198
4199 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004200 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004201 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004202 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004203 (addr == data_end - 4))) {
4204
4205 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4206 }
4207 rc = bnx2_nvram_write_dword(bp, addr, buf,
4208 cmd_flags);
4209
4210 if (rc != 0)
4211 goto nvram_write_end;
4212
4213 cmd_flags = 0;
4214 buf += 4;
4215 }
4216
4217 /* Loop to write back the buffer data from data_end
4218 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004219 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004220 for (addr = data_end; addr < page_end;
4221 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004222
Michael Chanb6016b72005-05-26 13:03:09 -07004223 if (addr == page_end-4) {
4224 cmd_flags = BNX2_NVM_COMMAND_LAST;
4225 }
4226 rc = bnx2_nvram_write_dword(bp, addr,
4227 &flash_buffer[i], cmd_flags);
4228
4229 if (rc != 0)
4230 goto nvram_write_end;
4231
4232 cmd_flags = 0;
4233 }
4234 }
4235
4236 /* Disable writes to flash interface (lock write-protect) */
4237 bnx2_disable_nvram_write(bp);
4238
4239 /* Disable access to flash interface */
4240 bnx2_disable_nvram_access(bp);
4241 bnx2_release_nvram_lock(bp);
4242
4243 /* Increment written */
4244 written += data_end - data_start;
4245 }
4246
4247nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004248 kfree(flash_buffer);
4249 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004250 return rc;
4251}
4252
Michael Chan0d8a6572007-07-07 22:49:43 -07004253static void
4254bnx2_init_remote_phy(struct bnx2 *bp)
4255{
4256 u32 val;
4257
Michael Chan583c28e2008-01-21 19:51:35 -08004258 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4259 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004260 return;
4261
Michael Chan2726d6e2008-01-29 21:35:05 -08004262 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004263 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4264 return;
4265
4266 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004267 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004268
Michael Chan2726d6e2008-01-29 21:35:05 -08004269 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004270 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4271 bp->phy_port = PORT_FIBRE;
4272 else
4273 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004274
4275 if (netif_running(bp->dev)) {
4276 u32 sig;
4277
Michael Chan489310a2007-10-10 16:16:31 -07004278 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4279 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004280 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004281 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004282 }
4283}
4284
Michael Chanb4b36042007-12-20 19:59:30 -08004285static void
4286bnx2_setup_msix_tbl(struct bnx2 *bp)
4287{
4288 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4289
4290 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4291 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4292}
4293
Michael Chanb6016b72005-05-26 13:03:09 -07004294static int
4295bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4296{
4297 u32 val;
4298 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004299 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004300
4301 /* Wait for the current PCI transaction to complete before
4302 * issuing a reset. */
4303 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4304 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4305 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4306 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4307 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4308 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4309 udelay(5);
4310
Michael Chanb090ae22006-01-23 16:07:10 -08004311 /* Wait for the firmware to tell us it is ok to issue a reset. */
4312 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4313
Michael Chanb6016b72005-05-26 13:03:09 -07004314 /* Deposit a driver reset signature so the firmware knows that
4315 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004316 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4317 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004318
Michael Chanb6016b72005-05-26 13:03:09 -07004319 /* Do a dummy read to force the chip to complete all current transaction
4320 * before we issue a reset. */
4321 val = REG_RD(bp, BNX2_MISC_ID);
4322
Michael Chan234754d2006-11-19 14:11:41 -08004323 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4324 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4325 REG_RD(bp, BNX2_MISC_COMMAND);
4326 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004327
Michael Chan234754d2006-11-19 14:11:41 -08004328 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4329 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004330
Michael Chan234754d2006-11-19 14:11:41 -08004331 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004332
Michael Chan234754d2006-11-19 14:11:41 -08004333 } else {
4334 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4335 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4336 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4337
4338 /* Chip reset. */
4339 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4340
Michael Chan594a9df2007-08-28 15:39:42 -07004341 /* Reading back any register after chip reset will hang the
4342 * bus on 5706 A0 and A1. The msleep below provides plenty
4343 * of margin for write posting.
4344 */
Michael Chan234754d2006-11-19 14:11:41 -08004345 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004346 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4347 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004348
Michael Chan234754d2006-11-19 14:11:41 -08004349 /* Reset takes approximate 30 usec */
4350 for (i = 0; i < 10; i++) {
4351 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4352 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4353 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4354 break;
4355 udelay(10);
4356 }
4357
4358 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4359 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4360 printk(KERN_ERR PFX "Chip reset did not complete\n");
4361 return -EBUSY;
4362 }
Michael Chanb6016b72005-05-26 13:03:09 -07004363 }
4364
4365 /* Make sure byte swapping is properly configured. */
4366 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4367 if (val != 0x01020304) {
4368 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4369 return -ENODEV;
4370 }
4371
Michael Chanb6016b72005-05-26 13:03:09 -07004372 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004373 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4374 if (rc)
4375 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004376
Michael Chan0d8a6572007-07-07 22:49:43 -07004377 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004378 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004379 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004380 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4381 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004382 bnx2_set_default_remote_link(bp);
4383 spin_unlock_bh(&bp->phy_lock);
4384
Michael Chanb6016b72005-05-26 13:03:09 -07004385 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4386 /* Adjust the voltage regular to two steps lower. The default
4387 * of this register is 0x0000000e. */
4388 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4389
4390 /* Remove bad rbuf memory from the free pool. */
4391 rc = bnx2_alloc_bad_rbuf(bp);
4392 }
4393
David S. Millerf86e82f2008-01-21 17:15:40 -08004394 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004395 bnx2_setup_msix_tbl(bp);
4396
Michael Chanb6016b72005-05-26 13:03:09 -07004397 return rc;
4398}
4399
4400static int
4401bnx2_init_chip(struct bnx2 *bp)
4402{
4403 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004404 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004405
4406 /* Make sure the interrupt is not active. */
4407 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4408
4409 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4410 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4411#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004412 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004413#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004414 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004415 DMA_READ_CHANS << 12 |
4416 DMA_WRITE_CHANS << 16;
4417
4418 val |= (0x2 << 20) | (1 << 11);
4419
David S. Millerf86e82f2008-01-21 17:15:40 -08004420 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004421 val |= (1 << 23);
4422
4423 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004424 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004425 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4426
4427 REG_WR(bp, BNX2_DMA_CONFIG, val);
4428
4429 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4430 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4431 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4432 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4433 }
4434
David S. Millerf86e82f2008-01-21 17:15:40 -08004435 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004436 u16 val16;
4437
4438 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4439 &val16);
4440 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4441 val16 & ~PCI_X_CMD_ERO);
4442 }
4443
4444 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4445 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4446 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4447 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4448
4449 /* Initialize context mapping and zero out the quick contexts. The
4450 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004451 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4452 rc = bnx2_init_5709_context(bp);
4453 if (rc)
4454 return rc;
4455 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004456 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004457
Michael Chanfba9fe92006-06-12 22:21:25 -07004458 if ((rc = bnx2_init_cpus(bp)) != 0)
4459 return rc;
4460
Michael Chanb6016b72005-05-26 13:03:09 -07004461 bnx2_init_nvram(bp);
4462
4463 bnx2_set_mac_addr(bp);
4464
4465 val = REG_RD(bp, BNX2_MQ_CONFIG);
4466 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4467 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004468 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4469 val |= BNX2_MQ_CONFIG_HALT_DIS;
4470
Michael Chanb6016b72005-05-26 13:03:09 -07004471 REG_WR(bp, BNX2_MQ_CONFIG, val);
4472
4473 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4474 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4475 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4476
4477 val = (BCM_PAGE_BITS - 8) << 24;
4478 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4479
4480 /* Configure page size. */
4481 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4482 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4483 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4484 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4485
4486 val = bp->mac_addr[0] +
4487 (bp->mac_addr[1] << 8) +
4488 (bp->mac_addr[2] << 16) +
4489 bp->mac_addr[3] +
4490 (bp->mac_addr[4] << 8) +
4491 (bp->mac_addr[5] << 16);
4492 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4493
4494 /* Program the MTU. Also include 4 bytes for CRC32. */
4495 val = bp->dev->mtu + ETH_HLEN + 4;
4496 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4497 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4498 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4499
Michael Chanb4b36042007-12-20 19:59:30 -08004500 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4501 bp->bnx2_napi[i].last_status_idx = 0;
4502
Michael Chanb6016b72005-05-26 13:03:09 -07004503 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4504
4505 /* Set up how to generate a link change interrupt. */
4506 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4507
4508 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4509 (u64) bp->status_blk_mapping & 0xffffffff);
4510 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4511
4512 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4513 (u64) bp->stats_blk_mapping & 0xffffffff);
4514 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4515 (u64) bp->stats_blk_mapping >> 32);
4516
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004517 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004518 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4519
4520 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4521 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4522
4523 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4524 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4525
4526 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4527
4528 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4529
4530 REG_WR(bp, BNX2_HC_COM_TICKS,
4531 (bp->com_ticks_int << 16) | bp->com_ticks);
4532
4533 REG_WR(bp, BNX2_HC_CMD_TICKS,
4534 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4535
Michael Chan02537b062007-06-04 21:24:07 -07004536 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4537 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4538 else
Michael Chan7ea69202007-07-16 18:27:10 -07004539 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004540 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4541
4542 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004543 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004544 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004545 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4546 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004547 }
4548
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004549 if (bp->irq_nvecs > 1) {
Michael Chanc76c0472007-12-20 20:01:19 -08004550 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4551 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4552
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004553 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4554 }
4555
4556 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4557 val |= BNX2_HC_CONFIG_ONE_SHOT;
4558
4559 REG_WR(bp, BNX2_HC_CONFIG, val);
4560
4561 for (i = 1; i < bp->irq_nvecs; i++) {
4562 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4563 BNX2_HC_SB_CONFIG_1;
4564
Michael Chan6f743ca2008-01-29 21:34:08 -08004565 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004566 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004567 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004568 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4569
Michael Chan6f743ca2008-01-29 21:34:08 -08004570 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004571 (bp->tx_quick_cons_trip_int << 16) |
4572 bp->tx_quick_cons_trip);
4573
Michael Chan6f743ca2008-01-29 21:34:08 -08004574 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004575 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4576
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004577 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4578 (bp->rx_quick_cons_trip_int << 16) |
4579 bp->rx_quick_cons_trip);
4580
4581 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4582 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004583 }
4584
Michael Chanb6016b72005-05-26 13:03:09 -07004585 /* Clear internal stats counters. */
4586 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4587
Michael Chanda3e4fb2007-05-03 13:24:23 -07004588 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004589
4590 /* Initialize the receive filter. */
4591 bnx2_set_rx_mode(bp->dev);
4592
Michael Chan0aa38df2007-06-04 21:23:06 -07004593 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4594 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4595 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4596 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4597 }
Michael Chanb090ae22006-01-23 16:07:10 -08004598 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4599 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004600
Michael Chandf149d72007-07-07 22:51:36 -07004601 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004602 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4603
4604 udelay(20);
4605
Michael Chanbf5295b2006-03-23 01:11:56 -08004606 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4607
Michael Chanb090ae22006-01-23 16:07:10 -08004608 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004609}
4610
Michael Chan59b47d82006-11-19 14:10:45 -08004611static void
Michael Chanc76c0472007-12-20 20:01:19 -08004612bnx2_clear_ring_states(struct bnx2 *bp)
4613{
4614 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004615 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004616 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08004617 int i;
4618
4619 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4620 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07004621 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004622 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08004623
Michael Chan35e90102008-06-19 16:37:42 -07004624 txr->tx_cons = 0;
4625 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004626 rxr->rx_prod_bseq = 0;
4627 rxr->rx_prod = 0;
4628 rxr->rx_cons = 0;
4629 rxr->rx_pg_prod = 0;
4630 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08004631 }
4632}
4633
4634static void
Michael Chan35e90102008-06-19 16:37:42 -07004635bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08004636{
4637 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004638 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004639
4640 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4641 offset0 = BNX2_L2CTX_TYPE_XI;
4642 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4643 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4644 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4645 } else {
4646 offset0 = BNX2_L2CTX_TYPE;
4647 offset1 = BNX2_L2CTX_CMD_TYPE;
4648 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4649 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4650 }
4651 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004652 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004653
4654 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004655 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004656
Michael Chan35e90102008-06-19 16:37:42 -07004657 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004658 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004659
Michael Chan35e90102008-06-19 16:37:42 -07004660 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004661 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004662}
Michael Chanb6016b72005-05-26 13:03:09 -07004663
4664static void
Michael Chan35e90102008-06-19 16:37:42 -07004665bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07004666{
4667 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004668 u32 cid = TX_CID;
4669 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004670 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08004671
Michael Chan35e90102008-06-19 16:37:42 -07004672 bnapi = &bp->bnx2_napi[ring_num];
4673 txr = &bnapi->tx_ring;
4674
4675 if (ring_num == 0)
4676 cid = TX_CID;
4677 else
4678 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004679
Michael Chan2f8af122006-08-15 01:39:10 -07004680 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4681
Michael Chan35e90102008-06-19 16:37:42 -07004682 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004683
Michael Chan35e90102008-06-19 16:37:42 -07004684 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4685 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07004686
Michael Chan35e90102008-06-19 16:37:42 -07004687 txr->tx_prod = 0;
4688 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004689
Michael Chan35e90102008-06-19 16:37:42 -07004690 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4691 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004692
Michael Chan35e90102008-06-19 16:37:42 -07004693 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07004694}
4695
4696static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004697bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4698 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004699{
Michael Chanb6016b72005-05-26 13:03:09 -07004700 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004701 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004702
Michael Chan5d5d0012007-12-12 11:17:43 -08004703 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004704 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004705
Michael Chan5d5d0012007-12-12 11:17:43 -08004706 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004707 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004708 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004709 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4710 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004711 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004712 j = 0;
4713 else
4714 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004715 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4716 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004717 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004718}
4719
4720static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07004721bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08004722{
4723 int i;
4724 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004725 u32 cid, rx_cid_addr, val;
4726 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4727 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08004728
Michael Chanbb4f98a2008-06-19 16:38:19 -07004729 if (ring_num == 0)
4730 cid = RX_CID;
4731 else
4732 cid = RX_RSS_CID + ring_num - 1;
4733
4734 rx_cid_addr = GET_CID_ADDR(cid);
4735
4736 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08004737 bp->rx_buf_use_size, bp->rx_max_ring);
4738
Michael Chanbb4f98a2008-06-19 16:38:19 -07004739 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08004740
4741 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4742 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4743 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4744 }
4745
Michael Chan62a83132008-01-29 21:35:40 -08004746 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004747 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004748 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4749 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08004750 PAGE_SIZE, bp->rx_max_pg_ring);
4751 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004752 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4753 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004754 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08004755
Michael Chanbb4f98a2008-06-19 16:38:19 -07004756 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004757 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004758
Michael Chanbb4f98a2008-06-19 16:38:19 -07004759 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004760 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004761
4762 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4763 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4764 }
Michael Chanb6016b72005-05-26 13:03:09 -07004765
Michael Chanbb4f98a2008-06-19 16:38:19 -07004766 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004767 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004768
Michael Chanbb4f98a2008-06-19 16:38:19 -07004769 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004770 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004771
Michael Chanbb4f98a2008-06-19 16:38:19 -07004772 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004773 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004774 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
Michael Chan47bf4242007-12-12 11:19:12 -08004775 break;
4776 prod = NEXT_RX_BD(prod);
4777 ring_prod = RX_PG_RING_IDX(prod);
4778 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004779 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004780
Michael Chanbb4f98a2008-06-19 16:38:19 -07004781 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004782 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07004783 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
Michael Chanb6016b72005-05-26 13:03:09 -07004784 break;
Michael Chanb6016b72005-05-26 13:03:09 -07004785 prod = NEXT_RX_BD(prod);
4786 ring_prod = RX_RING_IDX(prod);
4787 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07004788 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004789
Michael Chanbb4f98a2008-06-19 16:38:19 -07004790 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4791 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4792 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07004793
Michael Chanbb4f98a2008-06-19 16:38:19 -07004794 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4795 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4796
4797 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004798}
4799
Michael Chan35e90102008-06-19 16:37:42 -07004800static void
4801bnx2_init_all_rings(struct bnx2 *bp)
4802{
4803 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004804 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07004805
4806 bnx2_clear_ring_states(bp);
4807
4808 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4809 for (i = 0; i < bp->num_tx_rings; i++)
4810 bnx2_init_tx_ring(bp, i);
4811
4812 if (bp->num_tx_rings > 1)
4813 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4814 (TX_TSS_CID << 7));
4815
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004816 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4817 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4818
Michael Chanbb4f98a2008-06-19 16:38:19 -07004819 for (i = 0; i < bp->num_rx_rings; i++)
4820 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004821
4822 if (bp->num_rx_rings > 1) {
4823 u32 tbl_32;
4824 u8 *tbl = (u8 *) &tbl_32;
4825
4826 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4827 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4828
4829 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4830 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4831 if ((i % 4) == 3)
4832 bnx2_reg_wr_ind(bp,
4833 BNX2_RXP_SCRATCH_RSS_TBL + i,
4834 cpu_to_be32(tbl_32));
4835 }
4836
4837 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4838 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4839
4840 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4841
4842 }
Michael Chan35e90102008-06-19 16:37:42 -07004843}
4844
Michael Chan5d5d0012007-12-12 11:17:43 -08004845static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004846{
Michael Chan5d5d0012007-12-12 11:17:43 -08004847 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004848
Michael Chan5d5d0012007-12-12 11:17:43 -08004849 while (ring_size > MAX_RX_DESC_CNT) {
4850 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004851 num_rings++;
4852 }
4853 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004854 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004855 while ((max & num_rings) == 0)
4856 max >>= 1;
4857
4858 if (num_rings != max)
4859 max <<= 1;
4860
Michael Chan5d5d0012007-12-12 11:17:43 -08004861 return max;
4862}
4863
4864static void
4865bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4866{
Michael Chan84eaa182007-12-12 11:19:57 -08004867 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004868
4869 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004870 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08004871
Michael Chan84eaa182007-12-12 11:19:57 -08004872 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4873 sizeof(struct skb_shared_info);
4874
Benjamin Li601d3d12008-05-16 22:19:35 -07004875 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004876 bp->rx_pg_ring_size = 0;
4877 bp->rx_max_pg_ring = 0;
4878 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004879 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004880 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4881
4882 jumbo_size = size * pages;
4883 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4884 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4885
4886 bp->rx_pg_ring_size = jumbo_size;
4887 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4888 MAX_RX_PG_RINGS);
4889 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07004890 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08004891 bp->rx_copy_thresh = 0;
4892 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004893
4894 bp->rx_buf_use_size = rx_size;
4895 /* hw alignment */
4896 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07004897 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08004898 bp->rx_ring_size = size;
4899 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004900 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4901}
4902
4903static void
Michael Chanb6016b72005-05-26 13:03:09 -07004904bnx2_free_tx_skbs(struct bnx2 *bp)
4905{
4906 int i;
4907
Michael Chan35e90102008-06-19 16:37:42 -07004908 for (i = 0; i < bp->num_tx_rings; i++) {
4909 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4910 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
4911 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004912
Michael Chan35e90102008-06-19 16:37:42 -07004913 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004914 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004915
Michael Chan35e90102008-06-19 16:37:42 -07004916 for (j = 0; j < TX_DESC_CNT; ) {
4917 struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
4918 struct sk_buff *skb = tx_buf->skb;
4919 int k, last;
4920
4921 if (skb == NULL) {
4922 j++;
4923 continue;
4924 }
4925
4926 pci_unmap_single(bp->pdev,
4927 pci_unmap_addr(tx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07004928 skb_headlen(skb), PCI_DMA_TODEVICE);
4929
Michael Chan35e90102008-06-19 16:37:42 -07004930 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004931
Michael Chan35e90102008-06-19 16:37:42 -07004932 last = skb_shinfo(skb)->nr_frags;
4933 for (k = 0; k < last; k++) {
4934 tx_buf = &txr->tx_buf_ring[j + k + 1];
4935 pci_unmap_page(bp->pdev,
4936 pci_unmap_addr(tx_buf, mapping),
4937 skb_shinfo(skb)->frags[j].size,
4938 PCI_DMA_TODEVICE);
4939 }
4940 dev_kfree_skb(skb);
4941 j += k + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004942 }
Michael Chanb6016b72005-05-26 13:03:09 -07004943 }
Michael Chanb6016b72005-05-26 13:03:09 -07004944}
4945
4946static void
4947bnx2_free_rx_skbs(struct bnx2 *bp)
4948{
4949 int i;
4950
Michael Chanbb4f98a2008-06-19 16:38:19 -07004951 for (i = 0; i < bp->num_rx_rings; i++) {
4952 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4953 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4954 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004955
Michael Chanbb4f98a2008-06-19 16:38:19 -07004956 if (rxr->rx_buf_ring == NULL)
4957 return;
Michael Chanb6016b72005-05-26 13:03:09 -07004958
Michael Chanbb4f98a2008-06-19 16:38:19 -07004959 for (j = 0; j < bp->rx_max_ring_idx; j++) {
4960 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
4961 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07004962
Michael Chanbb4f98a2008-06-19 16:38:19 -07004963 if (skb == NULL)
4964 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004965
Michael Chanbb4f98a2008-06-19 16:38:19 -07004966 pci_unmap_single(bp->pdev,
4967 pci_unmap_addr(rx_buf, mapping),
4968 bp->rx_buf_use_size,
4969 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07004970
Michael Chanbb4f98a2008-06-19 16:38:19 -07004971 rx_buf->skb = NULL;
4972
4973 dev_kfree_skb(skb);
4974 }
4975 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
4976 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07004977 }
4978}
4979
4980static void
4981bnx2_free_skbs(struct bnx2 *bp)
4982{
4983 bnx2_free_tx_skbs(bp);
4984 bnx2_free_rx_skbs(bp);
4985}
4986
4987static int
4988bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4989{
4990 int rc;
4991
4992 rc = bnx2_reset_chip(bp, reset_code);
4993 bnx2_free_skbs(bp);
4994 if (rc)
4995 return rc;
4996
Michael Chanfba9fe92006-06-12 22:21:25 -07004997 if ((rc = bnx2_init_chip(bp)) != 0)
4998 return rc;
4999
Michael Chan35e90102008-06-19 16:37:42 -07005000 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005001 return 0;
5002}
5003
5004static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005005bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005006{
5007 int rc;
5008
5009 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5010 return rc;
5011
Michael Chan80be4432006-11-19 14:07:28 -08005012 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005013 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005014 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005015 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5016 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005017 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005018 return 0;
5019}
5020
5021static int
5022bnx2_test_registers(struct bnx2 *bp)
5023{
5024 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005025 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005026 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005027 u16 offset;
5028 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005029#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005030 u32 rw_mask;
5031 u32 ro_mask;
5032 } reg_tbl[] = {
5033 { 0x006c, 0, 0x00000000, 0x0000003f },
5034 { 0x0090, 0, 0xffffffff, 0x00000000 },
5035 { 0x0094, 0, 0x00000000, 0x00000000 },
5036
Michael Chan5bae30c2007-05-03 13:18:46 -07005037 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5038 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5039 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5040 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5041 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5042 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5043 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5044 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5045 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005046
Michael Chan5bae30c2007-05-03 13:18:46 -07005047 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5048 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5049 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5050 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5051 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5052 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005053
Michael Chan5bae30c2007-05-03 13:18:46 -07005054 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5055 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5056 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005057
5058 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005059 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005060
5061 { 0x1408, 0, 0x01c00800, 0x00000000 },
5062 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5063 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005064 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005065 { 0x14b0, 0, 0x00000002, 0x00000001 },
5066 { 0x14b8, 0, 0x00000000, 0x00000000 },
5067 { 0x14c0, 0, 0x00000000, 0x00000009 },
5068 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5069 { 0x14cc, 0, 0x00000000, 0x00000001 },
5070 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005071
5072 { 0x1800, 0, 0x00000000, 0x00000001 },
5073 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005074
5075 { 0x2800, 0, 0x00000000, 0x00000001 },
5076 { 0x2804, 0, 0x00000000, 0x00003f01 },
5077 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5078 { 0x2810, 0, 0xffff0000, 0x00000000 },
5079 { 0x2814, 0, 0xffff0000, 0x00000000 },
5080 { 0x2818, 0, 0xffff0000, 0x00000000 },
5081 { 0x281c, 0, 0xffff0000, 0x00000000 },
5082 { 0x2834, 0, 0xffffffff, 0x00000000 },
5083 { 0x2840, 0, 0x00000000, 0xffffffff },
5084 { 0x2844, 0, 0x00000000, 0xffffffff },
5085 { 0x2848, 0, 0xffffffff, 0x00000000 },
5086 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5087
5088 { 0x2c00, 0, 0x00000000, 0x00000011 },
5089 { 0x2c04, 0, 0x00000000, 0x00030007 },
5090
Michael Chanb6016b72005-05-26 13:03:09 -07005091 { 0x3c00, 0, 0x00000000, 0x00000001 },
5092 { 0x3c04, 0, 0x00000000, 0x00070000 },
5093 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5094 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5095 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5096 { 0x3c14, 0, 0x00000000, 0xffffffff },
5097 { 0x3c18, 0, 0x00000000, 0xffffffff },
5098 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5099 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005100
5101 { 0x5004, 0, 0x00000000, 0x0000007f },
5102 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005103
Michael Chanb6016b72005-05-26 13:03:09 -07005104 { 0x5c00, 0, 0x00000000, 0x00000001 },
5105 { 0x5c04, 0, 0x00000000, 0x0003000f },
5106 { 0x5c08, 0, 0x00000003, 0x00000000 },
5107 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5108 { 0x5c10, 0, 0x00000000, 0xffffffff },
5109 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5110 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5111 { 0x5c88, 0, 0x00000000, 0x00077373 },
5112 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5113
5114 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5115 { 0x680c, 0, 0xffffffff, 0x00000000 },
5116 { 0x6810, 0, 0xffffffff, 0x00000000 },
5117 { 0x6814, 0, 0xffffffff, 0x00000000 },
5118 { 0x6818, 0, 0xffffffff, 0x00000000 },
5119 { 0x681c, 0, 0xffffffff, 0x00000000 },
5120 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5121 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5122 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5123 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5124 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5125 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5126 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5127 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5128 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5129 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5130 { 0x684c, 0, 0xffffffff, 0x00000000 },
5131 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5132 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5133 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5134 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5135 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5136 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5137
5138 { 0xffff, 0, 0x00000000, 0x00000000 },
5139 };
5140
5141 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005142 is_5709 = 0;
5143 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5144 is_5709 = 1;
5145
Michael Chanb6016b72005-05-26 13:03:09 -07005146 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5147 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005148 u16 flags = reg_tbl[i].flags;
5149
5150 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5151 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005152
5153 offset = (u32) reg_tbl[i].offset;
5154 rw_mask = reg_tbl[i].rw_mask;
5155 ro_mask = reg_tbl[i].ro_mask;
5156
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005157 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005158
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005159 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005160
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005161 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005162 if ((val & rw_mask) != 0) {
5163 goto reg_test_err;
5164 }
5165
5166 if ((val & ro_mask) != (save_val & ro_mask)) {
5167 goto reg_test_err;
5168 }
5169
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005170 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005171
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005172 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005173 if ((val & rw_mask) != rw_mask) {
5174 goto reg_test_err;
5175 }
5176
5177 if ((val & ro_mask) != (save_val & ro_mask)) {
5178 goto reg_test_err;
5179 }
5180
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005181 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005182 continue;
5183
5184reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005185 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005186 ret = -ENODEV;
5187 break;
5188 }
5189 return ret;
5190}
5191
5192static int
5193bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5194{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005195 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005196 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5197 int i;
5198
5199 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5200 u32 offset;
5201
5202 for (offset = 0; offset < size; offset += 4) {
5203
Michael Chan2726d6e2008-01-29 21:35:05 -08005204 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005205
Michael Chan2726d6e2008-01-29 21:35:05 -08005206 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005207 test_pattern[i]) {
5208 return -ENODEV;
5209 }
5210 }
5211 }
5212 return 0;
5213}
5214
5215static int
5216bnx2_test_memory(struct bnx2 *bp)
5217{
5218 int ret = 0;
5219 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005220 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005221 u32 offset;
5222 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005223 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005224 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005225 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005226 { 0xe0000, 0x4000 },
5227 { 0x120000, 0x4000 },
5228 { 0x1a0000, 0x4000 },
5229 { 0x160000, 0x4000 },
5230 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005231 },
5232 mem_tbl_5709[] = {
5233 { 0x60000, 0x4000 },
5234 { 0xa0000, 0x3000 },
5235 { 0xe0000, 0x4000 },
5236 { 0x120000, 0x4000 },
5237 { 0x1a0000, 0x4000 },
5238 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005239 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005240 struct mem_entry *mem_tbl;
5241
5242 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5243 mem_tbl = mem_tbl_5709;
5244 else
5245 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005246
5247 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5248 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5249 mem_tbl[i].len)) != 0) {
5250 return ret;
5251 }
5252 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005253
Michael Chanb6016b72005-05-26 13:03:09 -07005254 return ret;
5255}
5256
Michael Chanbc5a0692006-01-23 16:13:22 -08005257#define BNX2_MAC_LOOPBACK 0
5258#define BNX2_PHY_LOOPBACK 1
5259
Michael Chanb6016b72005-05-26 13:03:09 -07005260static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005261bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005262{
5263 unsigned int pkt_size, num_pkts, i;
5264 struct sk_buff *skb, *rx_skb;
5265 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005266 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005267 dma_addr_t map;
5268 struct tx_bd *txbd;
5269 struct sw_bd *rx_buf;
5270 struct l2_fhdr *rx_hdr;
5271 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005272 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005273 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005274 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005275
5276 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005277
Michael Chan35e90102008-06-19 16:37:42 -07005278 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005279 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005280 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5281 bp->loopback = MAC_LOOPBACK;
5282 bnx2_set_mac_loopback(bp);
5283 }
5284 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005285 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005286 return 0;
5287
Michael Chan80be4432006-11-19 14:07:28 -08005288 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005289 bnx2_set_phy_loopback(bp);
5290 }
5291 else
5292 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005293
Michael Chan84eaa182007-12-12 11:19:57 -08005294 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005295 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005296 if (!skb)
5297 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005298 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005299 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005300 memset(packet + 6, 0x0, 8);
5301 for (i = 14; i < pkt_size; i++)
5302 packet[i] = (unsigned char) (i & 0xff);
5303
5304 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5305 PCI_DMA_TODEVICE);
5306
Michael Chanbf5295b2006-03-23 01:11:56 -08005307 REG_WR(bp, BNX2_HC_COMMAND,
5308 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5309
Michael Chanb6016b72005-05-26 13:03:09 -07005310 REG_RD(bp, BNX2_HC_COMMAND);
5311
5312 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005313 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005314
Michael Chanb6016b72005-05-26 13:03:09 -07005315 num_pkts = 0;
5316
Michael Chan35e90102008-06-19 16:37:42 -07005317 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005318
5319 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5320 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5321 txbd->tx_bd_mss_nbytes = pkt_size;
5322 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5323
5324 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005325 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5326 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005327
Michael Chan35e90102008-06-19 16:37:42 -07005328 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5329 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005330
5331 udelay(100);
5332
Michael Chanbf5295b2006-03-23 01:11:56 -08005333 REG_WR(bp, BNX2_HC_COMMAND,
5334 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5335
Michael Chanb6016b72005-05-26 13:03:09 -07005336 REG_RD(bp, BNX2_HC_COMMAND);
5337
5338 udelay(5);
5339
5340 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005341 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005342
Michael Chan35e90102008-06-19 16:37:42 -07005343 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005344 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005345
Michael Chan35efa7c2007-12-20 19:56:37 -08005346 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005347 if (rx_idx != rx_start_idx + num_pkts) {
5348 goto loopback_test_done;
5349 }
5350
Michael Chanbb4f98a2008-06-19 16:38:19 -07005351 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005352 rx_skb = rx_buf->skb;
5353
5354 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005355 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005356
5357 pci_dma_sync_single_for_cpu(bp->pdev,
5358 pci_unmap_addr(rx_buf, mapping),
5359 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5360
Michael Chanade2bfe2006-01-23 16:09:51 -08005361 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005362 (L2_FHDR_ERRORS_BAD_CRC |
5363 L2_FHDR_ERRORS_PHY_DECODE |
5364 L2_FHDR_ERRORS_ALIGNMENT |
5365 L2_FHDR_ERRORS_TOO_SHORT |
5366 L2_FHDR_ERRORS_GIANT_FRAME)) {
5367
5368 goto loopback_test_done;
5369 }
5370
5371 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5372 goto loopback_test_done;
5373 }
5374
5375 for (i = 14; i < pkt_size; i++) {
5376 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5377 goto loopback_test_done;
5378 }
5379 }
5380
5381 ret = 0;
5382
5383loopback_test_done:
5384 bp->loopback = 0;
5385 return ret;
5386}
5387
Michael Chanbc5a0692006-01-23 16:13:22 -08005388#define BNX2_MAC_LOOPBACK_FAILED 1
5389#define BNX2_PHY_LOOPBACK_FAILED 2
5390#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5391 BNX2_PHY_LOOPBACK_FAILED)
5392
5393static int
5394bnx2_test_loopback(struct bnx2 *bp)
5395{
5396 int rc = 0;
5397
5398 if (!netif_running(bp->dev))
5399 return BNX2_LOOPBACK_FAILED;
5400
5401 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5402 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005403 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005404 spin_unlock_bh(&bp->phy_lock);
5405 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5406 rc |= BNX2_MAC_LOOPBACK_FAILED;
5407 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5408 rc |= BNX2_PHY_LOOPBACK_FAILED;
5409 return rc;
5410}
5411
Michael Chanb6016b72005-05-26 13:03:09 -07005412#define NVRAM_SIZE 0x200
5413#define CRC32_RESIDUAL 0xdebb20e3
5414
5415static int
5416bnx2_test_nvram(struct bnx2 *bp)
5417{
Al Virob491edd2007-12-22 19:44:51 +00005418 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005419 u8 *data = (u8 *) buf;
5420 int rc = 0;
5421 u32 magic, csum;
5422
5423 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5424 goto test_nvram_done;
5425
5426 magic = be32_to_cpu(buf[0]);
5427 if (magic != 0x669955aa) {
5428 rc = -ENODEV;
5429 goto test_nvram_done;
5430 }
5431
5432 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5433 goto test_nvram_done;
5434
5435 csum = ether_crc_le(0x100, data);
5436 if (csum != CRC32_RESIDUAL) {
5437 rc = -ENODEV;
5438 goto test_nvram_done;
5439 }
5440
5441 csum = ether_crc_le(0x100, data + 0x100);
5442 if (csum != CRC32_RESIDUAL) {
5443 rc = -ENODEV;
5444 }
5445
5446test_nvram_done:
5447 return rc;
5448}
5449
5450static int
5451bnx2_test_link(struct bnx2 *bp)
5452{
5453 u32 bmsr;
5454
Michael Chan583c28e2008-01-21 19:51:35 -08005455 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005456 if (bp->link_up)
5457 return 0;
5458 return -ENODEV;
5459 }
Michael Chanc770a652005-08-25 15:38:39 -07005460 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005461 bnx2_enable_bmsr1(bp);
5462 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5463 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5464 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005465 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005466
Michael Chanb6016b72005-05-26 13:03:09 -07005467 if (bmsr & BMSR_LSTATUS) {
5468 return 0;
5469 }
5470 return -ENODEV;
5471}
5472
5473static int
5474bnx2_test_intr(struct bnx2 *bp)
5475{
5476 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005477 u16 status_idx;
5478
5479 if (!netif_running(bp->dev))
5480 return -ENODEV;
5481
5482 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5483
5484 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005485 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005486 REG_RD(bp, BNX2_HC_COMMAND);
5487
5488 for (i = 0; i < 10; i++) {
5489 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5490 status_idx) {
5491
5492 break;
5493 }
5494
5495 msleep_interruptible(10);
5496 }
5497 if (i < 10)
5498 return 0;
5499
5500 return -ENODEV;
5501}
5502
Michael Chan38ea3682008-02-23 19:48:57 -08005503/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005504static int
5505bnx2_5706_serdes_has_link(struct bnx2 *bp)
5506{
5507 u32 mode_ctl, an_dbg, exp;
5508
Michael Chan38ea3682008-02-23 19:48:57 -08005509 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5510 return 0;
5511
Michael Chanb2fadea2008-01-21 17:07:06 -08005512 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5513 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5514
5515 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5516 return 0;
5517
5518 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5519 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5520 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5521
Michael Chanf3014c02008-01-29 21:33:03 -08005522 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005523 return 0;
5524
5525 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5526 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5527 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5528
5529 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5530 return 0;
5531
5532 return 1;
5533}
5534
Michael Chanb6016b72005-05-26 13:03:09 -07005535static void
Michael Chan48b01e22006-11-19 14:08:00 -08005536bnx2_5706_serdes_timer(struct bnx2 *bp)
5537{
Michael Chanb2fadea2008-01-21 17:07:06 -08005538 int check_link = 1;
5539
Michael Chan48b01e22006-11-19 14:08:00 -08005540 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005541 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005542 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005543 check_link = 0;
5544 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005545 u32 bmcr;
5546
5547 bp->current_interval = bp->timer_interval;
5548
Michael Chanca58c3a2007-05-03 13:22:52 -07005549 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005550
5551 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005552 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005553 bmcr &= ~BMCR_ANENABLE;
5554 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005555 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005556 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005557 }
5558 }
5559 }
5560 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005561 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005562 u32 phy2;
5563
5564 bnx2_write_phy(bp, 0x17, 0x0f01);
5565 bnx2_read_phy(bp, 0x15, &phy2);
5566 if (phy2 & 0x20) {
5567 u32 bmcr;
5568
Michael Chanca58c3a2007-05-03 13:22:52 -07005569 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005570 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005571 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005572
Michael Chan583c28e2008-01-21 19:51:35 -08005573 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005574 }
5575 } else
5576 bp->current_interval = bp->timer_interval;
5577
Michael Chana2724e22008-02-23 19:47:44 -08005578 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005579 u32 val;
5580
5581 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5582 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5583 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5584
Michael Chana2724e22008-02-23 19:47:44 -08005585 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5586 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5587 bnx2_5706s_force_link_dn(bp, 1);
5588 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5589 } else
5590 bnx2_set_link(bp);
5591 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5592 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005593 }
Michael Chan48b01e22006-11-19 14:08:00 -08005594 spin_unlock(&bp->phy_lock);
5595}
5596
5597static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005598bnx2_5708_serdes_timer(struct bnx2 *bp)
5599{
Michael Chan583c28e2008-01-21 19:51:35 -08005600 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005601 return;
5602
Michael Chan583c28e2008-01-21 19:51:35 -08005603 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005604 bp->serdes_an_pending = 0;
5605 return;
5606 }
5607
5608 spin_lock(&bp->phy_lock);
5609 if (bp->serdes_an_pending)
5610 bp->serdes_an_pending--;
5611 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5612 u32 bmcr;
5613
Michael Chanca58c3a2007-05-03 13:22:52 -07005614 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005615 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005616 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005617 bp->current_interval = SERDES_FORCED_TIMEOUT;
5618 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005619 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005620 bp->serdes_an_pending = 2;
5621 bp->current_interval = bp->timer_interval;
5622 }
5623
5624 } else
5625 bp->current_interval = bp->timer_interval;
5626
5627 spin_unlock(&bp->phy_lock);
5628}
5629
5630static void
Michael Chanb6016b72005-05-26 13:03:09 -07005631bnx2_timer(unsigned long data)
5632{
5633 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005634
Michael Chancd339a02005-08-25 15:35:24 -07005635 if (!netif_running(bp->dev))
5636 return;
5637
Michael Chanb6016b72005-05-26 13:03:09 -07005638 if (atomic_read(&bp->intr_sem) != 0)
5639 goto bnx2_restart_timer;
5640
Michael Chandf149d72007-07-07 22:51:36 -07005641 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005642
Michael Chan2726d6e2008-01-29 21:35:05 -08005643 bp->stats_blk->stat_FwRxDrop =
5644 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005645
Michael Chan02537b062007-06-04 21:24:07 -07005646 /* workaround occasional corrupted counters */
5647 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5648 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5649 BNX2_HC_COMMAND_STATS_NOW);
5650
Michael Chan583c28e2008-01-21 19:51:35 -08005651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005652 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5653 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005654 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005655 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005656 }
5657
5658bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005659 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005660}
5661
Michael Chan8e6a72c2007-05-03 13:24:48 -07005662static int
5663bnx2_request_irq(struct bnx2 *bp)
5664{
Michael Chan6d866ff2007-12-20 19:56:09 -08005665 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005666 struct bnx2_irq *irq;
5667 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005668
David S. Millerf86e82f2008-01-21 17:15:40 -08005669 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005670 flags = 0;
5671 else
5672 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005673
5674 for (i = 0; i < bp->irq_nvecs; i++) {
5675 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005676 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07005677 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005678 if (rc)
5679 break;
5680 irq->requested = 1;
5681 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005682 return rc;
5683}
5684
5685static void
5686bnx2_free_irq(struct bnx2 *bp)
5687{
Michael Chanb4b36042007-12-20 19:59:30 -08005688 struct bnx2_irq *irq;
5689 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005690
Michael Chanb4b36042007-12-20 19:59:30 -08005691 for (i = 0; i < bp->irq_nvecs; i++) {
5692 irq = &bp->irq_tbl[i];
5693 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07005694 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08005695 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005696 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005697 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005698 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005699 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005700 pci_disable_msix(bp->pdev);
5701
David S. Millerf86e82f2008-01-21 17:15:40 -08005702 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005703}
5704
5705static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005706bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08005707{
Michael Chan57851d82007-12-20 20:01:44 -08005708 int i, rc;
5709 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5710
Michael Chanb4b36042007-12-20 19:59:30 -08005711 bnx2_setup_msix_tbl(bp);
5712 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5713 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5714 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005715
5716 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5717 msix_ent[i].entry = i;
5718 msix_ent[i].vector = 0;
Michael Chan35e90102008-06-19 16:37:42 -07005719
5720 strcpy(bp->irq_tbl[i].name, bp->dev->name);
Michael Chanf0ea2e62008-06-19 16:41:57 -07005721 bp->irq_tbl[i].handler = bnx2_msi_1shot;
Michael Chan57851d82007-12-20 20:01:44 -08005722 }
5723
5724 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5725 if (rc != 0)
5726 return;
5727
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005728 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08005729 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005730 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5731 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005732}
5733
5734static void
5735bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5736{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005737 int cpus = num_online_cpus();
5738 int msix_vecs = min(cpus + 1, RX_MAX_RSS_RINGS);
5739
Michael Chan6d866ff2007-12-20 19:56:09 -08005740 bp->irq_tbl[0].handler = bnx2_interrupt;
5741 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005742 bp->irq_nvecs = 1;
5743 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005744
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005745 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5746 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08005747
David S. Millerf86e82f2008-01-21 17:15:40 -08005748 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5749 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005750 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005751 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005752 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005753 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005754 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5755 } else
5756 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005757
5758 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005759 }
5760 }
Michael Chan35e90102008-06-19 16:37:42 -07005761 bp->num_tx_rings = 1;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005762 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005763}
5764
Michael Chanb6016b72005-05-26 13:03:09 -07005765/* Called with rtnl_lock */
5766static int
5767bnx2_open(struct net_device *dev)
5768{
Michael Chan972ec0d2006-01-23 16:12:43 -08005769 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005770 int rc;
5771
Michael Chan1b2f9222007-05-03 13:20:19 -07005772 netif_carrier_off(dev);
5773
Pavel Machek829ca9a2005-09-03 15:56:56 -07005774 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005775 bnx2_disable_int(bp);
5776
Michael Chan6d866ff2007-12-20 19:56:09 -08005777 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005778 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07005779 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005780 if (rc)
5781 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07005782
Michael Chan8e6a72c2007-05-03 13:24:48 -07005783 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07005784 if (rc)
5785 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005786
Michael Chan9a120bc2008-05-16 22:17:45 -07005787 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07005788 if (rc)
5789 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005790
Michael Chancd339a02005-08-25 15:35:24 -07005791 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005792
5793 atomic_set(&bp->intr_sem, 0);
5794
5795 bnx2_enable_int(bp);
5796
David S. Millerf86e82f2008-01-21 17:15:40 -08005797 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005798 /* Test MSI to make sure it is working
5799 * If MSI test fails, go back to INTx mode
5800 */
5801 if (bnx2_test_intr(bp) != 0) {
5802 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5803 " using MSI, switching to INTx mode. Please"
5804 " report this failure to the PCI maintainer"
5805 " and include system chipset information.\n",
5806 bp->dev->name);
5807
5808 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005809 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005810
Michael Chan6d866ff2007-12-20 19:56:09 -08005811 bnx2_setup_int_mode(bp, 1);
5812
Michael Chan9a120bc2008-05-16 22:17:45 -07005813 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005814
Michael Chan8e6a72c2007-05-03 13:24:48 -07005815 if (!rc)
5816 rc = bnx2_request_irq(bp);
5817
Michael Chanb6016b72005-05-26 13:03:09 -07005818 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07005819 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07005820 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07005821 }
5822 bnx2_enable_int(bp);
5823 }
5824 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005825 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005826 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005827 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005828 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005829
5830 netif_start_queue(dev);
5831
5832 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07005833
5834open_err:
5835 bnx2_napi_disable(bp);
5836 bnx2_free_skbs(bp);
5837 bnx2_free_irq(bp);
5838 bnx2_free_mem(bp);
5839 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005840}
5841
5842static void
David Howellsc4028952006-11-22 14:57:56 +00005843bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005844{
David Howellsc4028952006-11-22 14:57:56 +00005845 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005846
Michael Chanafdc08b2005-08-25 15:34:29 -07005847 if (!netif_running(bp->dev))
5848 return;
5849
Michael Chanb6016b72005-05-26 13:03:09 -07005850 bnx2_netif_stop(bp);
5851
Michael Chan9a120bc2008-05-16 22:17:45 -07005852 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07005853
5854 atomic_set(&bp->intr_sem, 1);
5855 bnx2_netif_start(bp);
5856}
5857
5858static void
5859bnx2_tx_timeout(struct net_device *dev)
5860{
Michael Chan972ec0d2006-01-23 16:12:43 -08005861 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005862
5863 /* This allows the netif to be shutdown gracefully before resetting */
5864 schedule_work(&bp->reset_task);
5865}
5866
5867#ifdef BCM_VLAN
5868/* Called with rtnl_lock */
5869static void
5870bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5871{
Michael Chan972ec0d2006-01-23 16:12:43 -08005872 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005873
5874 bnx2_netif_stop(bp);
5875
5876 bp->vlgrp = vlgrp;
5877 bnx2_set_rx_mode(dev);
5878
5879 bnx2_netif_start(bp);
5880}
Michael Chanb6016b72005-05-26 13:03:09 -07005881#endif
5882
Herbert Xu932ff272006-06-09 12:20:56 -07005883/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005884 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5885 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005886 */
5887static int
5888bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5889{
Michael Chan972ec0d2006-01-23 16:12:43 -08005890 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005891 dma_addr_t mapping;
5892 struct tx_bd *txbd;
5893 struct sw_bd *tx_buf;
5894 u32 len, vlan_tag_flags, last_frag, mss;
5895 u16 prod, ring_prod;
5896 int i;
Michael Chan35e90102008-06-19 16:37:42 -07005897 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
5898 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07005899
Michael Chan35e90102008-06-19 16:37:42 -07005900 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08005901 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005902 netif_stop_queue(dev);
5903 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5904 dev->name);
5905
5906 return NETDEV_TX_BUSY;
5907 }
5908 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07005909 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005910 ring_prod = TX_RING_IDX(prod);
5911
5912 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005913 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005914 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5915 }
5916
Al Viro79ea13c2008-01-24 02:06:46 -08005917 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005918 vlan_tag_flags |=
5919 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5920 }
Michael Chanfde82052007-05-03 17:23:35 -07005921 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005922 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005923 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005924
Michael Chanb6016b72005-05-26 13:03:09 -07005925 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5926
Michael Chan4666f872007-05-03 13:22:28 -07005927 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005928
Michael Chan4666f872007-05-03 13:22:28 -07005929 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5930 u32 tcp_off = skb_transport_offset(skb) -
5931 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005932
Michael Chan4666f872007-05-03 13:22:28 -07005933 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5934 TX_BD_FLAGS_SW_FLAGS;
5935 if (likely(tcp_off == 0))
5936 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5937 else {
5938 tcp_off >>= 3;
5939 vlan_tag_flags |= ((tcp_off & 0x3) <<
5940 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5941 ((tcp_off & 0x10) <<
5942 TX_BD_FLAGS_TCP6_OFF4_SHL);
5943 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5944 }
5945 } else {
5946 if (skb_header_cloned(skb) &&
5947 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5948 dev_kfree_skb(skb);
5949 return NETDEV_TX_OK;
5950 }
5951
5952 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5953
5954 iph = ip_hdr(skb);
5955 iph->check = 0;
5956 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5957 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5958 iph->daddr, 0,
5959 IPPROTO_TCP,
5960 0);
5961 if (tcp_opt_len || (iph->ihl > 5)) {
5962 vlan_tag_flags |= ((iph->ihl - 5) +
5963 (tcp_opt_len >> 2)) << 8;
5964 }
Michael Chanb6016b72005-05-26 13:03:09 -07005965 }
Michael Chan4666f872007-05-03 13:22:28 -07005966 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005967 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005968
5969 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005970
Michael Chan35e90102008-06-19 16:37:42 -07005971 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005972 tx_buf->skb = skb;
5973 pci_unmap_addr_set(tx_buf, mapping, mapping);
5974
Michael Chan35e90102008-06-19 16:37:42 -07005975 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005976
5977 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5978 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5979 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5980 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5981
5982 last_frag = skb_shinfo(skb)->nr_frags;
5983
5984 for (i = 0; i < last_frag; i++) {
5985 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5986
5987 prod = NEXT_TX_BD(prod);
5988 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07005989 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07005990
5991 len = frag->size;
5992 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5993 len, PCI_DMA_TODEVICE);
Michael Chan35e90102008-06-19 16:37:42 -07005994 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
Michael Chanb6016b72005-05-26 13:03:09 -07005995 mapping, mapping);
5996
5997 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5998 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5999 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6000 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6001
6002 }
6003 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6004
6005 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006006 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006007
Michael Chan35e90102008-06-19 16:37:42 -07006008 REG_WR16(bp, txr->tx_bidx_addr, prod);
6009 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006010
6011 mmiowb();
6012
Michael Chan35e90102008-06-19 16:37:42 -07006013 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006014 dev->trans_start = jiffies;
6015
Michael Chan35e90102008-06-19 16:37:42 -07006016 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07006017 netif_stop_queue(dev);
Michael Chan35e90102008-06-19 16:37:42 -07006018 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07006019 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006020 }
6021
6022 return NETDEV_TX_OK;
6023}
6024
6025/* Called with rtnl_lock */
6026static int
6027bnx2_close(struct net_device *dev)
6028{
Michael Chan972ec0d2006-01-23 16:12:43 -08006029 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006030 u32 reset_code;
6031
David S. Miller4bb073c2008-06-12 02:22:02 -07006032 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006033
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006034 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006035 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006036 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08006037 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07006038 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08006039 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07006040 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6041 else
6042 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6043 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006044 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006045 bnx2_free_skbs(bp);
6046 bnx2_free_mem(bp);
6047 bp->link_up = 0;
6048 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006049 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006050 return 0;
6051}
6052
6053#define GET_NET_STATS64(ctr) \
6054 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6055 (unsigned long) (ctr##_lo)
6056
6057#define GET_NET_STATS32(ctr) \
6058 (ctr##_lo)
6059
6060#if (BITS_PER_LONG == 64)
6061#define GET_NET_STATS GET_NET_STATS64
6062#else
6063#define GET_NET_STATS GET_NET_STATS32
6064#endif
6065
6066static struct net_device_stats *
6067bnx2_get_stats(struct net_device *dev)
6068{
Michael Chan972ec0d2006-01-23 16:12:43 -08006069 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006070 struct statistics_block *stats_blk = bp->stats_blk;
6071 struct net_device_stats *net_stats = &bp->net_stats;
6072
6073 if (bp->stats_blk == NULL) {
6074 return net_stats;
6075 }
6076 net_stats->rx_packets =
6077 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6078 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6079 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6080
6081 net_stats->tx_packets =
6082 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6083 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6084 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6085
6086 net_stats->rx_bytes =
6087 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6088
6089 net_stats->tx_bytes =
6090 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6091
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006092 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07006093 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6094
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006095 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07006096 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6097
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006098 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006099 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6100 stats_blk->stat_EtherStatsOverrsizePkts);
6101
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006102 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006103 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6104
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006105 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006106 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6107
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006108 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07006109 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6110
6111 net_stats->rx_errors = net_stats->rx_length_errors +
6112 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6113 net_stats->rx_crc_errors;
6114
6115 net_stats->tx_aborted_errors =
6116 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6117 stats_blk->stat_Dot3StatsLateCollisions);
6118
Michael Chan5b0c76a2005-11-04 08:45:49 -08006119 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6120 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006121 net_stats->tx_carrier_errors = 0;
6122 else {
6123 net_stats->tx_carrier_errors =
6124 (unsigned long)
6125 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6126 }
6127
6128 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006129 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006130 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6131 +
6132 net_stats->tx_aborted_errors +
6133 net_stats->tx_carrier_errors;
6134
Michael Chancea94db2006-06-12 22:16:13 -07006135 net_stats->rx_missed_errors =
6136 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6137 stats_blk->stat_FwRxDrop);
6138
Michael Chanb6016b72005-05-26 13:03:09 -07006139 return net_stats;
6140}
6141
6142/* All ethtool functions called with rtnl_lock */
6143
6144static int
6145bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6146{
Michael Chan972ec0d2006-01-23 16:12:43 -08006147 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006148 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006149
6150 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006151 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006152 support_serdes = 1;
6153 support_copper = 1;
6154 } else if (bp->phy_port == PORT_FIBRE)
6155 support_serdes = 1;
6156 else
6157 support_copper = 1;
6158
6159 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006160 cmd->supported |= SUPPORTED_1000baseT_Full |
6161 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006162 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006163 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006164
Michael Chanb6016b72005-05-26 13:03:09 -07006165 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006166 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006167 cmd->supported |= SUPPORTED_10baseT_Half |
6168 SUPPORTED_10baseT_Full |
6169 SUPPORTED_100baseT_Half |
6170 SUPPORTED_100baseT_Full |
6171 SUPPORTED_1000baseT_Full |
6172 SUPPORTED_TP;
6173
Michael Chanb6016b72005-05-26 13:03:09 -07006174 }
6175
Michael Chan7b6b8342007-07-07 22:50:15 -07006176 spin_lock_bh(&bp->phy_lock);
6177 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006178 cmd->advertising = bp->advertising;
6179
6180 if (bp->autoneg & AUTONEG_SPEED) {
6181 cmd->autoneg = AUTONEG_ENABLE;
6182 }
6183 else {
6184 cmd->autoneg = AUTONEG_DISABLE;
6185 }
6186
6187 if (netif_carrier_ok(dev)) {
6188 cmd->speed = bp->line_speed;
6189 cmd->duplex = bp->duplex;
6190 }
6191 else {
6192 cmd->speed = -1;
6193 cmd->duplex = -1;
6194 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006195 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006196
6197 cmd->transceiver = XCVR_INTERNAL;
6198 cmd->phy_address = bp->phy_addr;
6199
6200 return 0;
6201}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006202
Michael Chanb6016b72005-05-26 13:03:09 -07006203static int
6204bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6205{
Michael Chan972ec0d2006-01-23 16:12:43 -08006206 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006207 u8 autoneg = bp->autoneg;
6208 u8 req_duplex = bp->req_duplex;
6209 u16 req_line_speed = bp->req_line_speed;
6210 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006211 int err = -EINVAL;
6212
6213 spin_lock_bh(&bp->phy_lock);
6214
6215 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6216 goto err_out_unlock;
6217
Michael Chan583c28e2008-01-21 19:51:35 -08006218 if (cmd->port != bp->phy_port &&
6219 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006220 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006221
Michael Chand6b14482008-07-14 22:37:21 -07006222 /* If device is down, we can store the settings only if the user
6223 * is setting the currently active port.
6224 */
6225 if (!netif_running(dev) && cmd->port != bp->phy_port)
6226 goto err_out_unlock;
6227
Michael Chanb6016b72005-05-26 13:03:09 -07006228 if (cmd->autoneg == AUTONEG_ENABLE) {
6229 autoneg |= AUTONEG_SPEED;
6230
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006231 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006232
6233 /* allow advertising 1 speed */
6234 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6235 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6236 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6237 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6238
Michael Chan7b6b8342007-07-07 22:50:15 -07006239 if (cmd->port == PORT_FIBRE)
6240 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006241
6242 advertising = cmd->advertising;
6243
Michael Chan27a005b2007-05-03 13:23:41 -07006244 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006245 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006246 (cmd->port == PORT_TP))
6247 goto err_out_unlock;
6248 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006249 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006250 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6251 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006252 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006253 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006254 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006255 else
Michael Chanb6016b72005-05-26 13:03:09 -07006256 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006257 }
6258 advertising |= ADVERTISED_Autoneg;
6259 }
6260 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006261 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006262 if ((cmd->speed != SPEED_1000 &&
6263 cmd->speed != SPEED_2500) ||
6264 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006265 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006266
6267 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006268 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006269 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006270 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006271 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6272 goto err_out_unlock;
6273
Michael Chanb6016b72005-05-26 13:03:09 -07006274 autoneg &= ~AUTONEG_SPEED;
6275 req_line_speed = cmd->speed;
6276 req_duplex = cmd->duplex;
6277 advertising = 0;
6278 }
6279
6280 bp->autoneg = autoneg;
6281 bp->advertising = advertising;
6282 bp->req_line_speed = req_line_speed;
6283 bp->req_duplex = req_duplex;
6284
Michael Chand6b14482008-07-14 22:37:21 -07006285 err = 0;
6286 /* If device is down, the new settings will be picked up when it is
6287 * brought up.
6288 */
6289 if (netif_running(dev))
6290 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006291
Michael Chan7b6b8342007-07-07 22:50:15 -07006292err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006293 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006294
Michael Chan7b6b8342007-07-07 22:50:15 -07006295 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006296}
6297
6298static void
6299bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6300{
Michael Chan972ec0d2006-01-23 16:12:43 -08006301 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006302
6303 strcpy(info->driver, DRV_MODULE_NAME);
6304 strcpy(info->version, DRV_MODULE_VERSION);
6305 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006306 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006307}
6308
Michael Chan244ac4f2006-03-20 17:48:46 -08006309#define BNX2_REGDUMP_LEN (32 * 1024)
6310
6311static int
6312bnx2_get_regs_len(struct net_device *dev)
6313{
6314 return BNX2_REGDUMP_LEN;
6315}
6316
6317static void
6318bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6319{
6320 u32 *p = _p, i, offset;
6321 u8 *orig_p = _p;
6322 struct bnx2 *bp = netdev_priv(dev);
6323 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6324 0x0800, 0x0880, 0x0c00, 0x0c10,
6325 0x0c30, 0x0d08, 0x1000, 0x101c,
6326 0x1040, 0x1048, 0x1080, 0x10a4,
6327 0x1400, 0x1490, 0x1498, 0x14f0,
6328 0x1500, 0x155c, 0x1580, 0x15dc,
6329 0x1600, 0x1658, 0x1680, 0x16d8,
6330 0x1800, 0x1820, 0x1840, 0x1854,
6331 0x1880, 0x1894, 0x1900, 0x1984,
6332 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6333 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6334 0x2000, 0x2030, 0x23c0, 0x2400,
6335 0x2800, 0x2820, 0x2830, 0x2850,
6336 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6337 0x3c00, 0x3c94, 0x4000, 0x4010,
6338 0x4080, 0x4090, 0x43c0, 0x4458,
6339 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6340 0x4fc0, 0x5010, 0x53c0, 0x5444,
6341 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6342 0x5fc0, 0x6000, 0x6400, 0x6428,
6343 0x6800, 0x6848, 0x684c, 0x6860,
6344 0x6888, 0x6910, 0x8000 };
6345
6346 regs->version = 0;
6347
6348 memset(p, 0, BNX2_REGDUMP_LEN);
6349
6350 if (!netif_running(bp->dev))
6351 return;
6352
6353 i = 0;
6354 offset = reg_boundaries[0];
6355 p += offset;
6356 while (offset < BNX2_REGDUMP_LEN) {
6357 *p++ = REG_RD(bp, offset);
6358 offset += 4;
6359 if (offset == reg_boundaries[i + 1]) {
6360 offset = reg_boundaries[i + 2];
6361 p = (u32 *) (orig_p + offset);
6362 i += 2;
6363 }
6364 }
6365}
6366
Michael Chanb6016b72005-05-26 13:03:09 -07006367static void
6368bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6369{
Michael Chan972ec0d2006-01-23 16:12:43 -08006370 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006371
David S. Millerf86e82f2008-01-21 17:15:40 -08006372 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006373 wol->supported = 0;
6374 wol->wolopts = 0;
6375 }
6376 else {
6377 wol->supported = WAKE_MAGIC;
6378 if (bp->wol)
6379 wol->wolopts = WAKE_MAGIC;
6380 else
6381 wol->wolopts = 0;
6382 }
6383 memset(&wol->sopass, 0, sizeof(wol->sopass));
6384}
6385
6386static int
6387bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6388{
Michael Chan972ec0d2006-01-23 16:12:43 -08006389 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006390
6391 if (wol->wolopts & ~WAKE_MAGIC)
6392 return -EINVAL;
6393
6394 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006395 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006396 return -EINVAL;
6397
6398 bp->wol = 1;
6399 }
6400 else {
6401 bp->wol = 0;
6402 }
6403 return 0;
6404}
6405
6406static int
6407bnx2_nway_reset(struct net_device *dev)
6408{
Michael Chan972ec0d2006-01-23 16:12:43 -08006409 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006410 u32 bmcr;
6411
6412 if (!(bp->autoneg & AUTONEG_SPEED)) {
6413 return -EINVAL;
6414 }
6415
Michael Chanc770a652005-08-25 15:38:39 -07006416 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006417
Michael Chan583c28e2008-01-21 19:51:35 -08006418 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006419 int rc;
6420
6421 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6422 spin_unlock_bh(&bp->phy_lock);
6423 return rc;
6424 }
6425
Michael Chanb6016b72005-05-26 13:03:09 -07006426 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006427 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006428 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006429 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006430
6431 msleep(20);
6432
Michael Chanc770a652005-08-25 15:38:39 -07006433 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006434
6435 bp->current_interval = SERDES_AN_TIMEOUT;
6436 bp->serdes_an_pending = 1;
6437 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006438 }
6439
Michael Chanca58c3a2007-05-03 13:22:52 -07006440 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006441 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006442 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006443
Michael Chanc770a652005-08-25 15:38:39 -07006444 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006445
6446 return 0;
6447}
6448
6449static int
6450bnx2_get_eeprom_len(struct net_device *dev)
6451{
Michael Chan972ec0d2006-01-23 16:12:43 -08006452 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006453
Michael Chan1122db72006-01-23 16:11:42 -08006454 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006455 return 0;
6456
Michael Chan1122db72006-01-23 16:11:42 -08006457 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006458}
6459
6460static int
6461bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6462 u8 *eebuf)
6463{
Michael Chan972ec0d2006-01-23 16:12:43 -08006464 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006465 int rc;
6466
John W. Linville1064e942005-11-10 12:58:24 -08006467 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006468
6469 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6470
6471 return rc;
6472}
6473
6474static int
6475bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6476 u8 *eebuf)
6477{
Michael Chan972ec0d2006-01-23 16:12:43 -08006478 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006479 int rc;
6480
John W. Linville1064e942005-11-10 12:58:24 -08006481 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006482
6483 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6484
6485 return rc;
6486}
6487
6488static int
6489bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6490{
Michael Chan972ec0d2006-01-23 16:12:43 -08006491 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006492
6493 memset(coal, 0, sizeof(struct ethtool_coalesce));
6494
6495 coal->rx_coalesce_usecs = bp->rx_ticks;
6496 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6497 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6498 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6499
6500 coal->tx_coalesce_usecs = bp->tx_ticks;
6501 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6502 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6503 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6504
6505 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6506
6507 return 0;
6508}
6509
6510static int
6511bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6512{
Michael Chan972ec0d2006-01-23 16:12:43 -08006513 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006514
6515 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6516 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6517
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006518 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006519 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6520
6521 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6522 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6523
6524 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6525 if (bp->rx_quick_cons_trip_int > 0xff)
6526 bp->rx_quick_cons_trip_int = 0xff;
6527
6528 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6529 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6530
6531 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6532 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6533
6534 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6535 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6536
6537 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6538 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6539 0xff;
6540
6541 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006542 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6543 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6544 bp->stats_ticks = USEC_PER_SEC;
6545 }
Michael Chan7ea69202007-07-16 18:27:10 -07006546 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6547 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6548 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006549
6550 if (netif_running(bp->dev)) {
6551 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07006552 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006553 bnx2_netif_start(bp);
6554 }
6555
6556 return 0;
6557}
6558
6559static void
6560bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6561{
Michael Chan972ec0d2006-01-23 16:12:43 -08006562 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006563
Michael Chan13daffa2006-03-20 17:49:20 -08006564 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006565 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006566 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006567
6568 ering->rx_pending = bp->rx_ring_size;
6569 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006570 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006571
6572 ering->tx_max_pending = MAX_TX_DESC_CNT;
6573 ering->tx_pending = bp->tx_ring_size;
6574}
6575
6576static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006577bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006578{
Michael Chan13daffa2006-03-20 17:49:20 -08006579 if (netif_running(bp->dev)) {
6580 bnx2_netif_stop(bp);
6581 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6582 bnx2_free_skbs(bp);
6583 bnx2_free_mem(bp);
6584 }
6585
Michael Chan5d5d0012007-12-12 11:17:43 -08006586 bnx2_set_rx_ring_size(bp, rx);
6587 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006588
6589 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006590 int rc;
6591
6592 rc = bnx2_alloc_mem(bp);
6593 if (rc)
6594 return rc;
Michael Chan9a120bc2008-05-16 22:17:45 -07006595 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006596 bnx2_netif_start(bp);
6597 }
Michael Chanb6016b72005-05-26 13:03:09 -07006598 return 0;
6599}
6600
Michael Chan5d5d0012007-12-12 11:17:43 -08006601static int
6602bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6603{
6604 struct bnx2 *bp = netdev_priv(dev);
6605 int rc;
6606
6607 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6608 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6609 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6610
6611 return -EINVAL;
6612 }
6613 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6614 return rc;
6615}
6616
Michael Chanb6016b72005-05-26 13:03:09 -07006617static void
6618bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6619{
Michael Chan972ec0d2006-01-23 16:12:43 -08006620 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006621
6622 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6623 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6624 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6625}
6626
6627static int
6628bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6629{
Michael Chan972ec0d2006-01-23 16:12:43 -08006630 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006631
6632 bp->req_flow_ctrl = 0;
6633 if (epause->rx_pause)
6634 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6635 if (epause->tx_pause)
6636 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6637
6638 if (epause->autoneg) {
6639 bp->autoneg |= AUTONEG_FLOW_CTRL;
6640 }
6641 else {
6642 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6643 }
6644
Michael Chanc770a652005-08-25 15:38:39 -07006645 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006646
Michael Chan0d8a6572007-07-07 22:49:43 -07006647 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006648
Michael Chanc770a652005-08-25 15:38:39 -07006649 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006650
6651 return 0;
6652}
6653
6654static u32
6655bnx2_get_rx_csum(struct net_device *dev)
6656{
Michael Chan972ec0d2006-01-23 16:12:43 -08006657 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006658
6659 return bp->rx_csum;
6660}
6661
6662static int
6663bnx2_set_rx_csum(struct net_device *dev, u32 data)
6664{
Michael Chan972ec0d2006-01-23 16:12:43 -08006665 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006666
6667 bp->rx_csum = data;
6668 return 0;
6669}
6670
Michael Chanb11d6212006-06-29 12:31:21 -07006671static int
6672bnx2_set_tso(struct net_device *dev, u32 data)
6673{
Michael Chan4666f872007-05-03 13:22:28 -07006674 struct bnx2 *bp = netdev_priv(dev);
6675
6676 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006677 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006678 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6679 dev->features |= NETIF_F_TSO6;
6680 } else
6681 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6682 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006683 return 0;
6684}
6685
Michael Chancea94db2006-06-12 22:16:13 -07006686#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006687
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006688static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006689 char string[ETH_GSTRING_LEN];
6690} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6691 { "rx_bytes" },
6692 { "rx_error_bytes" },
6693 { "tx_bytes" },
6694 { "tx_error_bytes" },
6695 { "rx_ucast_packets" },
6696 { "rx_mcast_packets" },
6697 { "rx_bcast_packets" },
6698 { "tx_ucast_packets" },
6699 { "tx_mcast_packets" },
6700 { "tx_bcast_packets" },
6701 { "tx_mac_errors" },
6702 { "tx_carrier_errors" },
6703 { "rx_crc_errors" },
6704 { "rx_align_errors" },
6705 { "tx_single_collisions" },
6706 { "tx_multi_collisions" },
6707 { "tx_deferred" },
6708 { "tx_excess_collisions" },
6709 { "tx_late_collisions" },
6710 { "tx_total_collisions" },
6711 { "rx_fragments" },
6712 { "rx_jabbers" },
6713 { "rx_undersize_packets" },
6714 { "rx_oversize_packets" },
6715 { "rx_64_byte_packets" },
6716 { "rx_65_to_127_byte_packets" },
6717 { "rx_128_to_255_byte_packets" },
6718 { "rx_256_to_511_byte_packets" },
6719 { "rx_512_to_1023_byte_packets" },
6720 { "rx_1024_to_1522_byte_packets" },
6721 { "rx_1523_to_9022_byte_packets" },
6722 { "tx_64_byte_packets" },
6723 { "tx_65_to_127_byte_packets" },
6724 { "tx_128_to_255_byte_packets" },
6725 { "tx_256_to_511_byte_packets" },
6726 { "tx_512_to_1023_byte_packets" },
6727 { "tx_1024_to_1522_byte_packets" },
6728 { "tx_1523_to_9022_byte_packets" },
6729 { "rx_xon_frames" },
6730 { "rx_xoff_frames" },
6731 { "tx_xon_frames" },
6732 { "tx_xoff_frames" },
6733 { "rx_mac_ctrl_frames" },
6734 { "rx_filtered_packets" },
6735 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006736 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006737};
6738
6739#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6740
Arjan van de Venf71e1302006-03-03 21:33:57 -05006741static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006742 STATS_OFFSET32(stat_IfHCInOctets_hi),
6743 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6744 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6745 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6746 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6747 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6748 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6749 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6750 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6751 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6752 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006753 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6754 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6755 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6756 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6757 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6758 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6759 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6760 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6761 STATS_OFFSET32(stat_EtherStatsCollisions),
6762 STATS_OFFSET32(stat_EtherStatsFragments),
6763 STATS_OFFSET32(stat_EtherStatsJabbers),
6764 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6765 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6766 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6767 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6768 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6769 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6770 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6771 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6772 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6773 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6774 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6775 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6776 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6777 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6778 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6779 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6780 STATS_OFFSET32(stat_XonPauseFramesReceived),
6781 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6782 STATS_OFFSET32(stat_OutXonSent),
6783 STATS_OFFSET32(stat_OutXoffSent),
6784 STATS_OFFSET32(stat_MacControlFramesReceived),
6785 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6786 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006787 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006788};
6789
6790/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6791 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006792 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006793static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006794 8,0,8,8,8,8,8,8,8,8,
6795 4,0,4,4,4,4,4,4,4,4,
6796 4,4,4,4,4,4,4,4,4,4,
6797 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006798 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006799};
6800
Michael Chan5b0c76a2005-11-04 08:45:49 -08006801static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6802 8,0,8,8,8,8,8,8,8,8,
6803 4,4,4,4,4,4,4,4,4,4,
6804 4,4,4,4,4,4,4,4,4,4,
6805 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006806 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006807};
6808
Michael Chanb6016b72005-05-26 13:03:09 -07006809#define BNX2_NUM_TESTS 6
6810
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006811static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006812 char string[ETH_GSTRING_LEN];
6813} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6814 { "register_test (offline)" },
6815 { "memory_test (offline)" },
6816 { "loopback_test (offline)" },
6817 { "nvram_test (online)" },
6818 { "interrupt_test (online)" },
6819 { "link_test (online)" },
6820};
6821
6822static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006823bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006824{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006825 switch (sset) {
6826 case ETH_SS_TEST:
6827 return BNX2_NUM_TESTS;
6828 case ETH_SS_STATS:
6829 return BNX2_NUM_STATS;
6830 default:
6831 return -EOPNOTSUPP;
6832 }
Michael Chanb6016b72005-05-26 13:03:09 -07006833}
6834
6835static void
6836bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6837{
Michael Chan972ec0d2006-01-23 16:12:43 -08006838 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006839
6840 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6841 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006842 int i;
6843
Michael Chanb6016b72005-05-26 13:03:09 -07006844 bnx2_netif_stop(bp);
6845 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6846 bnx2_free_skbs(bp);
6847
6848 if (bnx2_test_registers(bp) != 0) {
6849 buf[0] = 1;
6850 etest->flags |= ETH_TEST_FL_FAILED;
6851 }
6852 if (bnx2_test_memory(bp) != 0) {
6853 buf[1] = 1;
6854 etest->flags |= ETH_TEST_FL_FAILED;
6855 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006856 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006857 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006858
6859 if (!netif_running(bp->dev)) {
6860 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6861 }
6862 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07006863 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006864 bnx2_netif_start(bp);
6865 }
6866
6867 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006868 for (i = 0; i < 7; i++) {
6869 if (bp->link_up)
6870 break;
6871 msleep_interruptible(1000);
6872 }
Michael Chanb6016b72005-05-26 13:03:09 -07006873 }
6874
6875 if (bnx2_test_nvram(bp) != 0) {
6876 buf[3] = 1;
6877 etest->flags |= ETH_TEST_FL_FAILED;
6878 }
6879 if (bnx2_test_intr(bp) != 0) {
6880 buf[4] = 1;
6881 etest->flags |= ETH_TEST_FL_FAILED;
6882 }
6883
6884 if (bnx2_test_link(bp) != 0) {
6885 buf[5] = 1;
6886 etest->flags |= ETH_TEST_FL_FAILED;
6887
6888 }
6889}
6890
6891static void
6892bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6893{
6894 switch (stringset) {
6895 case ETH_SS_STATS:
6896 memcpy(buf, bnx2_stats_str_arr,
6897 sizeof(bnx2_stats_str_arr));
6898 break;
6899 case ETH_SS_TEST:
6900 memcpy(buf, bnx2_tests_str_arr,
6901 sizeof(bnx2_tests_str_arr));
6902 break;
6903 }
6904}
6905
Michael Chanb6016b72005-05-26 13:03:09 -07006906static void
6907bnx2_get_ethtool_stats(struct net_device *dev,
6908 struct ethtool_stats *stats, u64 *buf)
6909{
Michael Chan972ec0d2006-01-23 16:12:43 -08006910 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006911 int i;
6912 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006913 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006914
6915 if (hw_stats == NULL) {
6916 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6917 return;
6918 }
6919
Michael Chan5b0c76a2005-11-04 08:45:49 -08006920 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6921 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6922 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6923 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006924 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006925 else
6926 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006927
6928 for (i = 0; i < BNX2_NUM_STATS; i++) {
6929 if (stats_len_arr[i] == 0) {
6930 /* skip this counter */
6931 buf[i] = 0;
6932 continue;
6933 }
6934 if (stats_len_arr[i] == 4) {
6935 /* 4-byte counter */
6936 buf[i] = (u64)
6937 *(hw_stats + bnx2_stats_offset_arr[i]);
6938 continue;
6939 }
6940 /* 8-byte counter */
6941 buf[i] = (((u64) *(hw_stats +
6942 bnx2_stats_offset_arr[i])) << 32) +
6943 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6944 }
6945}
6946
6947static int
6948bnx2_phys_id(struct net_device *dev, u32 data)
6949{
Michael Chan972ec0d2006-01-23 16:12:43 -08006950 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006951 int i;
6952 u32 save;
6953
6954 if (data == 0)
6955 data = 2;
6956
6957 save = REG_RD(bp, BNX2_MISC_CFG);
6958 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6959
6960 for (i = 0; i < (data * 2); i++) {
6961 if ((i % 2) == 0) {
6962 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6963 }
6964 else {
6965 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6966 BNX2_EMAC_LED_1000MB_OVERRIDE |
6967 BNX2_EMAC_LED_100MB_OVERRIDE |
6968 BNX2_EMAC_LED_10MB_OVERRIDE |
6969 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6970 BNX2_EMAC_LED_TRAFFIC);
6971 }
6972 msleep_interruptible(500);
6973 if (signal_pending(current))
6974 break;
6975 }
6976 REG_WR(bp, BNX2_EMAC_LED, 0);
6977 REG_WR(bp, BNX2_MISC_CFG, save);
6978 return 0;
6979}
6980
Michael Chan4666f872007-05-03 13:22:28 -07006981static int
6982bnx2_set_tx_csum(struct net_device *dev, u32 data)
6983{
6984 struct bnx2 *bp = netdev_priv(dev);
6985
6986 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006987 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006988 else
6989 return (ethtool_op_set_tx_csum(dev, data));
6990}
6991
Jeff Garzik7282d492006-09-13 14:30:00 -04006992static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006993 .get_settings = bnx2_get_settings,
6994 .set_settings = bnx2_set_settings,
6995 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006996 .get_regs_len = bnx2_get_regs_len,
6997 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006998 .get_wol = bnx2_get_wol,
6999 .set_wol = bnx2_set_wol,
7000 .nway_reset = bnx2_nway_reset,
7001 .get_link = ethtool_op_get_link,
7002 .get_eeprom_len = bnx2_get_eeprom_len,
7003 .get_eeprom = bnx2_get_eeprom,
7004 .set_eeprom = bnx2_set_eeprom,
7005 .get_coalesce = bnx2_get_coalesce,
7006 .set_coalesce = bnx2_set_coalesce,
7007 .get_ringparam = bnx2_get_ringparam,
7008 .set_ringparam = bnx2_set_ringparam,
7009 .get_pauseparam = bnx2_get_pauseparam,
7010 .set_pauseparam = bnx2_set_pauseparam,
7011 .get_rx_csum = bnx2_get_rx_csum,
7012 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007013 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007014 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007015 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007016 .self_test = bnx2_self_test,
7017 .get_strings = bnx2_get_strings,
7018 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007019 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007020 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007021};
7022
7023/* Called with rtnl_lock */
7024static int
7025bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7026{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007027 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007028 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007029 int err;
7030
7031 switch(cmd) {
7032 case SIOCGMIIPHY:
7033 data->phy_id = bp->phy_addr;
7034
7035 /* fallthru */
7036 case SIOCGMIIREG: {
7037 u32 mii_regval;
7038
Michael Chan583c28e2008-01-21 19:51:35 -08007039 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007040 return -EOPNOTSUPP;
7041
Michael Chandad3e452007-05-03 13:18:03 -07007042 if (!netif_running(dev))
7043 return -EAGAIN;
7044
Michael Chanc770a652005-08-25 15:38:39 -07007045 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007046 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007047 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007048
7049 data->val_out = mii_regval;
7050
7051 return err;
7052 }
7053
7054 case SIOCSMIIREG:
7055 if (!capable(CAP_NET_ADMIN))
7056 return -EPERM;
7057
Michael Chan583c28e2008-01-21 19:51:35 -08007058 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007059 return -EOPNOTSUPP;
7060
Michael Chandad3e452007-05-03 13:18:03 -07007061 if (!netif_running(dev))
7062 return -EAGAIN;
7063
Michael Chanc770a652005-08-25 15:38:39 -07007064 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007065 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007066 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007067
7068 return err;
7069
7070 default:
7071 /* do nothing */
7072 break;
7073 }
7074 return -EOPNOTSUPP;
7075}
7076
7077/* Called with rtnl_lock */
7078static int
7079bnx2_change_mac_addr(struct net_device *dev, void *p)
7080{
7081 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007082 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007083
Michael Chan73eef4c2005-08-25 15:39:15 -07007084 if (!is_valid_ether_addr(addr->sa_data))
7085 return -EINVAL;
7086
Michael Chanb6016b72005-05-26 13:03:09 -07007087 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7088 if (netif_running(dev))
7089 bnx2_set_mac_addr(bp);
7090
7091 return 0;
7092}
7093
7094/* Called with rtnl_lock */
7095static int
7096bnx2_change_mtu(struct net_device *dev, int new_mtu)
7097{
Michael Chan972ec0d2006-01-23 16:12:43 -08007098 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007099
7100 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7101 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7102 return -EINVAL;
7103
7104 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007105 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007106}
7107
7108#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7109static void
7110poll_bnx2(struct net_device *dev)
7111{
Michael Chan972ec0d2006-01-23 16:12:43 -08007112 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007113
7114 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01007115 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007116 enable_irq(bp->pdev->irq);
7117}
7118#endif
7119
Michael Chan253c8b72007-01-08 19:56:01 -08007120static void __devinit
7121bnx2_get_5709_media(struct bnx2 *bp)
7122{
7123 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7124 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7125 u32 strap;
7126
7127 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7128 return;
7129 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007130 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007131 return;
7132 }
7133
7134 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7135 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7136 else
7137 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7138
7139 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7140 switch (strap) {
7141 case 0x4:
7142 case 0x5:
7143 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007144 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007145 return;
7146 }
7147 } else {
7148 switch (strap) {
7149 case 0x1:
7150 case 0x2:
7151 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007152 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007153 return;
7154 }
7155 }
7156}
7157
Michael Chan883e5152007-05-03 13:25:11 -07007158static void __devinit
7159bnx2_get_pci_speed(struct bnx2 *bp)
7160{
7161 u32 reg;
7162
7163 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7164 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7165 u32 clkreg;
7166
David S. Millerf86e82f2008-01-21 17:15:40 -08007167 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007168
7169 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7170
7171 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7172 switch (clkreg) {
7173 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7174 bp->bus_speed_mhz = 133;
7175 break;
7176
7177 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7178 bp->bus_speed_mhz = 100;
7179 break;
7180
7181 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7182 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7183 bp->bus_speed_mhz = 66;
7184 break;
7185
7186 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7187 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7188 bp->bus_speed_mhz = 50;
7189 break;
7190
7191 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7192 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7193 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7194 bp->bus_speed_mhz = 33;
7195 break;
7196 }
7197 }
7198 else {
7199 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7200 bp->bus_speed_mhz = 66;
7201 else
7202 bp->bus_speed_mhz = 33;
7203 }
7204
7205 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007206 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007207
7208}
7209
Michael Chanb6016b72005-05-26 13:03:09 -07007210static int __devinit
7211bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7212{
7213 struct bnx2 *bp;
7214 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007215 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007216 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007217 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007218
Michael Chanb6016b72005-05-26 13:03:09 -07007219 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007220 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007221
7222 bp->flags = 0;
7223 bp->phy_flags = 0;
7224
7225 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7226 rc = pci_enable_device(pdev);
7227 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007228 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007229 goto err_out;
7230 }
7231
7232 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007233 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007234 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007235 rc = -ENODEV;
7236 goto err_out_disable;
7237 }
7238
7239 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7240 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007241 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007242 goto err_out_disable;
7243 }
7244
7245 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007246 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007247
7248 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7249 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007250 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007251 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007252 rc = -EIO;
7253 goto err_out_release;
7254 }
7255
Michael Chanb6016b72005-05-26 13:03:09 -07007256 bp->dev = dev;
7257 bp->pdev = pdev;
7258
7259 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007260 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007261 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007262
7263 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007264 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007265 dev->mem_end = dev->mem_start + mem_len;
7266 dev->irq = pdev->irq;
7267
7268 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7269
7270 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007271 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007272 rc = -ENOMEM;
7273 goto err_out_release;
7274 }
7275
7276 /* Configure byte swap and enable write to the reg_window registers.
7277 * Rely on CPU to do target byte swapping on big endian systems
7278 * The chip's target access swapping will not swap all accesses
7279 */
7280 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7281 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7282 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7283
Pavel Machek829ca9a2005-09-03 15:56:56 -07007284 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007285
7286 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7287
Michael Chan883e5152007-05-03 13:25:11 -07007288 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7289 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7290 dev_err(&pdev->dev,
7291 "Cannot find PCIE capability, aborting.\n");
7292 rc = -EIO;
7293 goto err_out_unmap;
7294 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007295 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007296 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007297 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007298 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007299 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7300 if (bp->pcix_cap == 0) {
7301 dev_err(&pdev->dev,
7302 "Cannot find PCIX capability, aborting.\n");
7303 rc = -EIO;
7304 goto err_out_unmap;
7305 }
7306 }
7307
Michael Chanb4b36042007-12-20 19:59:30 -08007308 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7309 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007310 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007311 }
7312
Michael Chan8e6a72c2007-05-03 13:24:48 -07007313 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7314 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007315 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007316 }
7317
Michael Chan40453c82007-05-03 13:19:18 -07007318 /* 5708 cannot support DMA addresses > 40-bit. */
7319 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7320 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7321 else
7322 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7323
7324 /* Configure DMA attributes. */
7325 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7326 dev->features |= NETIF_F_HIGHDMA;
7327 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7328 if (rc) {
7329 dev_err(&pdev->dev,
7330 "pci_set_consistent_dma_mask failed, aborting.\n");
7331 goto err_out_unmap;
7332 }
7333 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7334 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7335 goto err_out_unmap;
7336 }
7337
David S. Millerf86e82f2008-01-21 17:15:40 -08007338 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007339 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007340
7341 /* 5706A0 may falsely detect SERR and PERR. */
7342 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7343 reg = REG_RD(bp, PCI_COMMAND);
7344 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7345 REG_WR(bp, PCI_COMMAND, reg);
7346 }
7347 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007348 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007349
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007350 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007351 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007352 goto err_out_unmap;
7353 }
7354
7355 bnx2_init_nvram(bp);
7356
Michael Chan2726d6e2008-01-29 21:35:05 -08007357 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007358
7359 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007360 BNX2_SHM_HDR_SIGNATURE_SIG) {
7361 u32 off = PCI_FUNC(pdev->devfn) << 2;
7362
Michael Chan2726d6e2008-01-29 21:35:05 -08007363 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007364 } else
Michael Chane3648b32005-11-04 08:51:21 -08007365 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7366
Michael Chanb6016b72005-05-26 13:03:09 -07007367 /* Get the permanent MAC address. First we need to make sure the
7368 * firmware is actually running.
7369 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007370 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007371
7372 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7373 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007374 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007375 rc = -ENODEV;
7376 goto err_out_unmap;
7377 }
7378
Michael Chan2726d6e2008-01-29 21:35:05 -08007379 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007380 for (i = 0, j = 0; i < 3; i++) {
7381 u8 num, k, skip0;
7382
7383 num = (u8) (reg >> (24 - (i * 8)));
7384 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7385 if (num >= k || !skip0 || k == 1) {
7386 bp->fw_version[j++] = (num / k) + '0';
7387 skip0 = 0;
7388 }
7389 }
7390 if (i != 2)
7391 bp->fw_version[j++] = '.';
7392 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007393 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007394 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7395 bp->wol = 1;
7396
7397 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007398 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007399
7400 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007401 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007402 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7403 break;
7404 msleep(10);
7405 }
7406 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007407 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007408 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7409 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7410 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7411 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007412 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007413
7414 bp->fw_version[j++] = ' ';
7415 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007416 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007417 reg = swab32(reg);
7418 memcpy(&bp->fw_version[j], &reg, 4);
7419 j += 4;
7420 }
7421 }
Michael Chanb6016b72005-05-26 13:03:09 -07007422
Michael Chan2726d6e2008-01-29 21:35:05 -08007423 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007424 bp->mac_addr[0] = (u8) (reg >> 8);
7425 bp->mac_addr[1] = (u8) reg;
7426
Michael Chan2726d6e2008-01-29 21:35:05 -08007427 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007428 bp->mac_addr[2] = (u8) (reg >> 24);
7429 bp->mac_addr[3] = (u8) (reg >> 16);
7430 bp->mac_addr[4] = (u8) (reg >> 8);
7431 bp->mac_addr[5] = (u8) reg;
7432
7433 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007434 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007435
7436 bp->rx_csum = 1;
7437
Michael Chanb6016b72005-05-26 13:03:09 -07007438 bp->tx_quick_cons_trip_int = 20;
7439 bp->tx_quick_cons_trip = 20;
7440 bp->tx_ticks_int = 80;
7441 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007442
Michael Chanb6016b72005-05-26 13:03:09 -07007443 bp->rx_quick_cons_trip_int = 6;
7444 bp->rx_quick_cons_trip = 6;
7445 bp->rx_ticks_int = 18;
7446 bp->rx_ticks = 18;
7447
Michael Chan7ea69202007-07-16 18:27:10 -07007448 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007449
7450 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007451 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007452
Michael Chan5b0c76a2005-11-04 08:45:49 -08007453 bp->phy_addr = 1;
7454
Michael Chanb6016b72005-05-26 13:03:09 -07007455 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007456 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7457 bnx2_get_5709_media(bp);
7458 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007459 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007460
Michael Chan0d8a6572007-07-07 22:49:43 -07007461 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007462 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007463 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007464 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007465 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007466 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007467 bp->wol = 0;
7468 }
Michael Chan38ea3682008-02-23 19:48:57 -08007469 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7470 /* Don't do parallel detect on this board because of
7471 * some board problems. The link will not go down
7472 * if we do parallel detect.
7473 */
7474 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7475 pdev->subsystem_device == 0x310c)
7476 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7477 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007478 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007479 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007480 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007481 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007482 bnx2_init_remote_phy(bp);
7483
Michael Chan261dd5c2007-01-08 19:55:46 -08007484 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7485 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007486 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007487 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7488 (CHIP_REV(bp) == CHIP_REV_Ax ||
7489 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007490 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007491
Michael Chan16088272006-06-12 22:16:43 -07007492 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7493 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007494 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007495 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007496 bp->wol = 0;
7497 }
Michael Chandda1e392006-01-23 16:08:14 -08007498
Michael Chanb6016b72005-05-26 13:03:09 -07007499 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7500 bp->tx_quick_cons_trip_int =
7501 bp->tx_quick_cons_trip;
7502 bp->tx_ticks_int = bp->tx_ticks;
7503 bp->rx_quick_cons_trip_int =
7504 bp->rx_quick_cons_trip;
7505 bp->rx_ticks_int = bp->rx_ticks;
7506 bp->comp_prod_trip_int = bp->comp_prod_trip;
7507 bp->com_ticks_int = bp->com_ticks;
7508 bp->cmd_ticks_int = bp->cmd_ticks;
7509 }
7510
Michael Chanf9317a42006-09-29 17:06:23 -07007511 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7512 *
7513 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7514 * with byte enables disabled on the unused 32-bit word. This is legal
7515 * but causes problems on the AMD 8132 which will eventually stop
7516 * responding after a while.
7517 *
7518 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007519 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007520 */
7521 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7522 struct pci_dev *amd_8132 = NULL;
7523
7524 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7525 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7526 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007527
Auke Kok44c10132007-06-08 15:46:36 -07007528 if (amd_8132->revision >= 0x10 &&
7529 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007530 disable_msi = 1;
7531 pci_dev_put(amd_8132);
7532 break;
7533 }
7534 }
7535 }
7536
Michael Chandeaf3912007-07-07 22:48:00 -07007537 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007538 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7539
Michael Chancd339a02005-08-25 15:35:24 -07007540 init_timer(&bp->timer);
7541 bp->timer.expires = RUN_AT(bp->timer_interval);
7542 bp->timer.data = (unsigned long) bp;
7543 bp->timer.function = bnx2_timer;
7544
Michael Chanb6016b72005-05-26 13:03:09 -07007545 return 0;
7546
7547err_out_unmap:
7548 if (bp->regview) {
7549 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007550 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007551 }
7552
7553err_out_release:
7554 pci_release_regions(pdev);
7555
7556err_out_disable:
7557 pci_disable_device(pdev);
7558 pci_set_drvdata(pdev, NULL);
7559
7560err_out:
7561 return rc;
7562}
7563
Michael Chan883e5152007-05-03 13:25:11 -07007564static char * __devinit
7565bnx2_bus_string(struct bnx2 *bp, char *str)
7566{
7567 char *s = str;
7568
David S. Millerf86e82f2008-01-21 17:15:40 -08007569 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007570 s += sprintf(s, "PCI Express");
7571 } else {
7572 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007573 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007574 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007575 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007576 s += sprintf(s, " 32-bit");
7577 else
7578 s += sprintf(s, " 64-bit");
7579 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7580 }
7581 return str;
7582}
7583
Michael Chan2ba582b2007-12-21 15:04:49 -08007584static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007585bnx2_init_napi(struct bnx2 *bp)
7586{
Michael Chanb4b36042007-12-20 19:59:30 -08007587 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08007588
Michael Chanb4b36042007-12-20 19:59:30 -08007589 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07007590 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7591 int (*poll)(struct napi_struct *, int);
7592
7593 if (i == 0)
7594 poll = bnx2_poll;
7595 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07007596 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07007597
7598 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08007599 bnapi->bp = bp;
7600 }
Michael Chan35efa7c2007-12-20 19:56:37 -08007601}
7602
7603static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007604bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7605{
7606 static int version_printed = 0;
7607 struct net_device *dev = NULL;
7608 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007609 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007610 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007611 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007612
7613 if (version_printed++ == 0)
7614 printk(KERN_INFO "%s", version);
7615
7616 /* dev zeroed in init_etherdev */
7617 dev = alloc_etherdev(sizeof(*bp));
7618
7619 if (!dev)
7620 return -ENOMEM;
7621
7622 rc = bnx2_init_board(pdev, dev);
7623 if (rc < 0) {
7624 free_netdev(dev);
7625 return rc;
7626 }
7627
7628 dev->open = bnx2_open;
7629 dev->hard_start_xmit = bnx2_start_xmit;
7630 dev->stop = bnx2_close;
7631 dev->get_stats = bnx2_get_stats;
7632 dev->set_multicast_list = bnx2_set_rx_mode;
7633 dev->do_ioctl = bnx2_ioctl;
7634 dev->set_mac_address = bnx2_change_mac_addr;
7635 dev->change_mtu = bnx2_change_mtu;
7636 dev->tx_timeout = bnx2_tx_timeout;
7637 dev->watchdog_timeo = TX_TIMEOUT;
7638#ifdef BCM_VLAN
7639 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007640#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007641 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007642
Michael Chan972ec0d2006-01-23 16:12:43 -08007643 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007644 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007645
7646#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7647 dev->poll_controller = poll_bnx2;
7648#endif
7649
Michael Chan1b2f9222007-05-03 13:20:19 -07007650 pci_set_drvdata(pdev, dev);
7651
7652 memcpy(dev->dev_addr, bp->mac_addr, 6);
7653 memcpy(dev->perm_addr, bp->mac_addr, 6);
7654 bp->name = board_info[ent->driver_data].name;
7655
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007656 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007657 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007658 dev->features |= NETIF_F_IPV6_CSUM;
7659
Michael Chan1b2f9222007-05-03 13:20:19 -07007660#ifdef BCM_VLAN
7661 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7662#endif
7663 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007664 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7665 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007666
Michael Chanb6016b72005-05-26 13:03:09 -07007667 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007668 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007669 if (bp->regview)
7670 iounmap(bp->regview);
7671 pci_release_regions(pdev);
7672 pci_disable_device(pdev);
7673 pci_set_drvdata(pdev, NULL);
7674 free_netdev(dev);
7675 return rc;
7676 }
7677
Michael Chan883e5152007-05-03 13:25:11 -07007678 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007679 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007680 dev->name,
7681 bp->name,
7682 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7683 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007684 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007685 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007686 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007687
Michael Chanb6016b72005-05-26 13:03:09 -07007688 return 0;
7689}
7690
7691static void __devexit
7692bnx2_remove_one(struct pci_dev *pdev)
7693{
7694 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007695 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007696
Michael Chanafdc08b2005-08-25 15:34:29 -07007697 flush_scheduled_work();
7698
Michael Chanb6016b72005-05-26 13:03:09 -07007699 unregister_netdev(dev);
7700
7701 if (bp->regview)
7702 iounmap(bp->regview);
7703
7704 free_netdev(dev);
7705 pci_release_regions(pdev);
7706 pci_disable_device(pdev);
7707 pci_set_drvdata(pdev, NULL);
7708}
7709
7710static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007711bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007712{
7713 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007714 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007715 u32 reset_code;
7716
Michael Chan6caebb02007-08-03 20:57:25 -07007717 /* PCI register 4 needs to be saved whether netif_running() or not.
7718 * MSI address and data need to be saved if using MSI and
7719 * netif_running().
7720 */
7721 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007722 if (!netif_running(dev))
7723 return 0;
7724
Michael Chan1d602902006-03-20 17:50:08 -08007725 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007726 bnx2_netif_stop(bp);
7727 netif_device_detach(dev);
7728 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007729 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007730 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007731 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007732 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7733 else
7734 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7735 bnx2_reset_chip(bp, reset_code);
7736 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007737 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007738 return 0;
7739}
7740
7741static int
7742bnx2_resume(struct pci_dev *pdev)
7743{
7744 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007745 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007746
Michael Chan6caebb02007-08-03 20:57:25 -07007747 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007748 if (!netif_running(dev))
7749 return 0;
7750
Pavel Machek829ca9a2005-09-03 15:56:56 -07007751 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007752 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07007753 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007754 bnx2_netif_start(bp);
7755 return 0;
7756}
7757
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007758/**
7759 * bnx2_io_error_detected - called when PCI error is detected
7760 * @pdev: Pointer to PCI device
7761 * @state: The current pci connection state
7762 *
7763 * This function is called after a PCI bus error affecting
7764 * this device has been detected.
7765 */
7766static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7767 pci_channel_state_t state)
7768{
7769 struct net_device *dev = pci_get_drvdata(pdev);
7770 struct bnx2 *bp = netdev_priv(dev);
7771
7772 rtnl_lock();
7773 netif_device_detach(dev);
7774
7775 if (netif_running(dev)) {
7776 bnx2_netif_stop(bp);
7777 del_timer_sync(&bp->timer);
7778 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7779 }
7780
7781 pci_disable_device(pdev);
7782 rtnl_unlock();
7783
7784 /* Request a slot slot reset. */
7785 return PCI_ERS_RESULT_NEED_RESET;
7786}
7787
7788/**
7789 * bnx2_io_slot_reset - called after the pci bus has been reset.
7790 * @pdev: Pointer to PCI device
7791 *
7792 * Restart the card from scratch, as if from a cold-boot.
7793 */
7794static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7795{
7796 struct net_device *dev = pci_get_drvdata(pdev);
7797 struct bnx2 *bp = netdev_priv(dev);
7798
7799 rtnl_lock();
7800 if (pci_enable_device(pdev)) {
7801 dev_err(&pdev->dev,
7802 "Cannot re-enable PCI device after reset.\n");
7803 rtnl_unlock();
7804 return PCI_ERS_RESULT_DISCONNECT;
7805 }
7806 pci_set_master(pdev);
7807 pci_restore_state(pdev);
7808
7809 if (netif_running(dev)) {
7810 bnx2_set_power_state(bp, PCI_D0);
7811 bnx2_init_nic(bp, 1);
7812 }
7813
7814 rtnl_unlock();
7815 return PCI_ERS_RESULT_RECOVERED;
7816}
7817
7818/**
7819 * bnx2_io_resume - called when traffic can start flowing again.
7820 * @pdev: Pointer to PCI device
7821 *
7822 * This callback is called when the error recovery driver tells us that
7823 * its OK to resume normal operation.
7824 */
7825static void bnx2_io_resume(struct pci_dev *pdev)
7826{
7827 struct net_device *dev = pci_get_drvdata(pdev);
7828 struct bnx2 *bp = netdev_priv(dev);
7829
7830 rtnl_lock();
7831 if (netif_running(dev))
7832 bnx2_netif_start(bp);
7833
7834 netif_device_attach(dev);
7835 rtnl_unlock();
7836}
7837
7838static struct pci_error_handlers bnx2_err_handler = {
7839 .error_detected = bnx2_io_error_detected,
7840 .slot_reset = bnx2_io_slot_reset,
7841 .resume = bnx2_io_resume,
7842};
7843
Michael Chanb6016b72005-05-26 13:03:09 -07007844static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007845 .name = DRV_MODULE_NAME,
7846 .id_table = bnx2_pci_tbl,
7847 .probe = bnx2_init_one,
7848 .remove = __devexit_p(bnx2_remove_one),
7849 .suspend = bnx2_suspend,
7850 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007851 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07007852};
7853
7854static int __init bnx2_init(void)
7855{
Jeff Garzik29917622006-08-19 17:48:59 -04007856 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007857}
7858
7859static void __exit bnx2_cleanup(void)
7860{
7861 pci_unregister_driver(&bnx2_pci_driver);
7862}
7863
7864module_init(bnx2_init);
7865module_exit(bnx2_cleanup);
7866
7867
7868