blob: d681f3153e7c266191de7f9434af6edf3be4a712 [file] [log] [blame]
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 Chanc73b1d12008-02-23 19:49:48 -080059#define DRV_MODULE_VERSION "1.7.4"
60#define DRV_MODULE_RELDATE "February 18, 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 Chan05d0f1c2005-11-04 08:53:48 -080071MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070072MODULE_LICENSE("GPL");
73MODULE_VERSION(DRV_MODULE_VERSION);
74
75static int disable_msi = 0;
76
77module_param(disable_msi, int, 0);
78MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
79
80typedef enum {
81 BCM5706 = 0,
82 NC370T,
83 NC370I,
84 BCM5706S,
85 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080086 BCM5708,
87 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -080088 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -070089 BCM5709S,
Michael Chanb6016b72005-05-26 13:03:09 -070090} board_t;
91
92/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -080093static struct {
Michael Chanb6016b72005-05-26 13:03:09 -070094 char *name;
95} board_info[] __devinitdata = {
96 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
97 { "HP NC370T Multifunction Gigabit Server Adapter" },
98 { "HP NC370i Multifunction Gigabit Server Adapter" },
99 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
100 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800101 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800103 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700104 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700105 };
106
107static struct pci_device_id bnx2_pci_tbl[] = {
108 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
109 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
110 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
111 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
112 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
117 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chanb6016b72005-05-26 13:03:09 -0700126 { 0, }
127};
128
129static struct flash_spec flash_table[] =
130{
Michael Chane30372c2007-07-16 18:26:23 -0700131#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700133 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800134 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700135 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700136 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800138 /* Expansion entry 0001 */
139 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700140 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800141 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700143 /* Saifun SA25F010 (non-buffered flash) */
144 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800145 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700146 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700147 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
148 "Non-buffered flash (128kB)"},
149 /* Saifun SA25F020 (non-buffered flash) */
150 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800151 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700152 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700153 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800155 /* Expansion entry 0100 */
156 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800158 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159 "Entry 0100"},
160 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400161 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700162 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800163 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
164 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
165 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
166 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800168 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
169 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
170 /* Saifun SA25F005 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
172 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
175 "Non-buffered flash (64kB)"},
176 /* Fast EEPROM */
177 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700178 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800179 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180 "EEPROM - fast"},
181 /* Expansion entry 1001 */
182 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700183 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800184 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185 "Entry 1001"},
186 /* Expansion entry 1010 */
187 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1010"},
191 /* ATMEL AT45DB011B (buffered flash) */
192 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700193 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195 "Buffered flash (128kB)"},
196 /* Expansion entry 1100 */
197 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700198 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200 "Entry 1100"},
201 /* Expansion entry 1101 */
202 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1101"},
206 /* Ateml Expansion entry 1110 */
207 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700208 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1110 (Atmel)"},
211 /* ATMEL AT45DB021B (buffered flash) */
212 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700216};
217
Michael Chane30372c2007-07-16 18:26:23 -0700218static struct flash_spec flash_5709 = {
219 .flags = BNX2_NV_BUFFERED,
220 .page_bits = BCM5709_FLASH_PAGE_BITS,
221 .page_size = BCM5709_FLASH_PAGE_SIZE,
222 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
223 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
224 .name = "5709 Buffered flash (256kB)",
225};
226
Michael Chanb6016b72005-05-26 13:03:09 -0700227MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
Michael Chana550c992007-12-20 19:56:59 -0800229static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chane89bbf12005-08-25 15:36:58 -0700230{
Michael Chan2f8af122006-08-15 01:39:10 -0700231 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700232
Michael Chan2f8af122006-08-15 01:39:10 -0700233 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800234
235 /* The ring uses 256 indices for 255 entries, one of them
236 * needs to be skipped.
237 */
Michael Chana550c992007-12-20 19:56:59 -0800238 diff = bp->tx_prod - bnapi->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800239 if (unlikely(diff >= TX_DESC_CNT)) {
240 diff &= 0xffff;
241 if (diff == TX_DESC_CNT)
242 diff = MAX_TX_DESC_CNT;
243 }
Michael Chane89bbf12005-08-25 15:36:58 -0700244 return (bp->tx_ring_size - diff);
245}
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247static u32
248bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249{
Michael Chan1b8227c2007-05-03 13:24:05 -0700250 u32 val;
251
252 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700253 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700254 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255 spin_unlock_bh(&bp->indirect_lock);
256 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700257}
258
259static void
260bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261{
Michael Chan1b8227c2007-05-03 13:24:05 -0700262 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700263 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700265 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700266}
267
268static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800269bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270{
271 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272}
273
274static u32
275bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276{
277 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278}
279
280static void
Michael Chanb6016b72005-05-26 13:03:09 -0700281bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282{
283 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700284 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800285 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
286 int i;
287
288 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
289 REG_WR(bp, BNX2_CTX_CTX_CTRL,
290 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
291 for (i = 0; i < 5; i++) {
292 u32 val;
293 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
294 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
295 break;
296 udelay(5);
297 }
298 } else {
299 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
300 REG_WR(bp, BNX2_CTX_DATA, val);
301 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700302 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700303}
304
305static int
306bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307{
308 u32 val1;
309 int i, ret;
310
Michael Chan583c28e2008-01-21 19:51:35 -0800311 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700312 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
313 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
314
315 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
316 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317
318 udelay(40);
319 }
320
321 val1 = (bp->phy_addr << 21) | (reg << 16) |
322 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
323 BNX2_EMAC_MDIO_COMM_START_BUSY;
324 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
325
326 for (i = 0; i < 50; i++) {
327 udelay(10);
328
329 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
330 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
331 udelay(5);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
335
336 break;
337 }
338 }
339
340 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
341 *val = 0x0;
342 ret = -EBUSY;
343 }
344 else {
345 *val = val1;
346 ret = 0;
347 }
348
Michael Chan583c28e2008-01-21 19:51:35 -0800349 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700350 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
351 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
352
353 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
354 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355
356 udelay(40);
357 }
358
359 return ret;
360}
361
362static int
363bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364{
365 u32 val1;
366 int i, ret;
367
Michael Chan583c28e2008-01-21 19:51:35 -0800368 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700369 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
370 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
371
372 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
373 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374
375 udelay(40);
376 }
377
378 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
379 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
380 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
381 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400382
Michael Chanb6016b72005-05-26 13:03:09 -0700383 for (i = 0; i < 50; i++) {
384 udelay(10);
385
386 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
387 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
388 udelay(5);
389 break;
390 }
391 }
392
393 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
394 ret = -EBUSY;
395 else
396 ret = 0;
397
Michael Chan583c28e2008-01-21 19:51:35 -0800398 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700399 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
400 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
401
402 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
403 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404
405 udelay(40);
406 }
407
408 return ret;
409}
410
411static void
412bnx2_disable_int(struct bnx2 *bp)
413{
Michael Chanb4b36042007-12-20 19:59:30 -0800414 int i;
415 struct bnx2_napi *bnapi;
416
417 for (i = 0; i < bp->irq_nvecs; i++) {
418 bnapi = &bp->bnx2_napi[i];
419 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
420 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
421 }
Michael Chanb6016b72005-05-26 13:03:09 -0700422 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423}
424
425static void
426bnx2_enable_int(struct bnx2 *bp)
427{
Michael Chanb4b36042007-12-20 19:59:30 -0800428 int i;
429 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800430
Michael Chanb4b36042007-12-20 19:59:30 -0800431 for (i = 0; i < bp->irq_nvecs; i++) {
432 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800433
Michael Chanb4b36042007-12-20 19:59:30 -0800434 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
435 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
436 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
437 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700438
Michael Chanb4b36042007-12-20 19:59:30 -0800439 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
440 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
441 bnapi->last_status_idx);
442 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800443 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700444}
445
446static void
447bnx2_disable_int_sync(struct bnx2 *bp)
448{
Michael Chanb4b36042007-12-20 19:59:30 -0800449 int i;
450
Michael Chanb6016b72005-05-26 13:03:09 -0700451 atomic_inc(&bp->intr_sem);
452 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800453 for (i = 0; i < bp->irq_nvecs; i++)
454 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700455}
456
457static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800458bnx2_napi_disable(struct bnx2 *bp)
459{
Michael Chanb4b36042007-12-20 19:59:30 -0800460 int i;
461
462 for (i = 0; i < bp->irq_nvecs; i++)
463 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800464}
465
466static void
467bnx2_napi_enable(struct bnx2 *bp)
468{
Michael Chanb4b36042007-12-20 19:59:30 -0800469 int i;
470
471 for (i = 0; i < bp->irq_nvecs; i++)
472 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800473}
474
475static void
Michael Chanb6016b72005-05-26 13:03:09 -0700476bnx2_netif_stop(struct bnx2 *bp)
477{
478 bnx2_disable_int_sync(bp);
479 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800480 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700481 netif_tx_disable(bp->dev);
482 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483 }
484}
485
486static void
487bnx2_netif_start(struct bnx2 *bp)
488{
489 if (atomic_dec_and_test(&bp->intr_sem)) {
490 if (netif_running(bp->dev)) {
491 netif_wake_queue(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800492 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700493 bnx2_enable_int(bp);
494 }
495 }
496}
497
498static void
499bnx2_free_mem(struct bnx2 *bp)
500{
Michael Chan13daffa2006-03-20 17:49:20 -0800501 int i;
502
Michael Chan59b47d82006-11-19 14:10:45 -0800503 for (i = 0; i < bp->ctx_pages; i++) {
504 if (bp->ctx_blk[i]) {
505 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
506 bp->ctx_blk[i],
507 bp->ctx_blk_mapping[i]);
508 bp->ctx_blk[i] = NULL;
509 }
510 }
Michael Chanb6016b72005-05-26 13:03:09 -0700511 if (bp->status_blk) {
Michael Chan0f31f992006-03-23 01:12:38 -0800512 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700513 bp->status_blk, bp->status_blk_mapping);
514 bp->status_blk = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800515 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700516 }
517 if (bp->tx_desc_ring) {
Michael Chane343d552007-12-12 11:16:19 -0800518 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700519 bp->tx_desc_ring, bp->tx_desc_mapping);
520 bp->tx_desc_ring = NULL;
521 }
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400522 kfree(bp->tx_buf_ring);
523 bp->tx_buf_ring = NULL;
Michael Chan13daffa2006-03-20 17:49:20 -0800524 for (i = 0; i < bp->rx_max_ring; i++) {
525 if (bp->rx_desc_ring[i])
Michael Chane343d552007-12-12 11:16:19 -0800526 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800527 bp->rx_desc_ring[i],
528 bp->rx_desc_mapping[i]);
529 bp->rx_desc_ring[i] = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700530 }
Michael Chan13daffa2006-03-20 17:49:20 -0800531 vfree(bp->rx_buf_ring);
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400532 bp->rx_buf_ring = NULL;
Michael Chan47bf4242007-12-12 11:19:12 -0800533 for (i = 0; i < bp->rx_max_pg_ring; i++) {
534 if (bp->rx_pg_desc_ring[i])
535 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
536 bp->rx_pg_desc_ring[i],
537 bp->rx_pg_desc_mapping[i]);
538 bp->rx_pg_desc_ring[i] = NULL;
539 }
540 if (bp->rx_pg_ring)
541 vfree(bp->rx_pg_ring);
542 bp->rx_pg_ring = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700543}
544
545static int
546bnx2_alloc_mem(struct bnx2 *bp)
547{
Michael Chan0f31f992006-03-23 01:12:38 -0800548 int i, status_blk_size;
Michael Chan13daffa2006-03-20 17:49:20 -0800549
Michael Chane343d552007-12-12 11:16:19 -0800550 bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
Michael Chanb6016b72005-05-26 13:03:09 -0700551 if (bp->tx_buf_ring == NULL)
552 return -ENOMEM;
553
Michael Chane343d552007-12-12 11:16:19 -0800554 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700555 &bp->tx_desc_mapping);
556 if (bp->tx_desc_ring == NULL)
557 goto alloc_mem_err;
558
Michael Chane343d552007-12-12 11:16:19 -0800559 bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanb6016b72005-05-26 13:03:09 -0700560 if (bp->rx_buf_ring == NULL)
561 goto alloc_mem_err;
562
Michael Chane343d552007-12-12 11:16:19 -0800563 memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chan13daffa2006-03-20 17:49:20 -0800564
565 for (i = 0; i < bp->rx_max_ring; i++) {
566 bp->rx_desc_ring[i] =
Michael Chane343d552007-12-12 11:16:19 -0800567 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800568 &bp->rx_desc_mapping[i]);
569 if (bp->rx_desc_ring[i] == NULL)
570 goto alloc_mem_err;
571
572 }
Michael Chanb6016b72005-05-26 13:03:09 -0700573
Michael Chan47bf4242007-12-12 11:19:12 -0800574 if (bp->rx_pg_ring_size) {
575 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
576 bp->rx_max_pg_ring);
577 if (bp->rx_pg_ring == NULL)
578 goto alloc_mem_err;
579
580 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
581 bp->rx_max_pg_ring);
582 }
583
584 for (i = 0; i < bp->rx_max_pg_ring; i++) {
585 bp->rx_pg_desc_ring[i] =
586 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
587 &bp->rx_pg_desc_mapping[i]);
588 if (bp->rx_pg_desc_ring[i] == NULL)
589 goto alloc_mem_err;
590
591 }
592
Michael Chan0f31f992006-03-23 01:12:38 -0800593 /* Combine status and statistics blocks into one allocation. */
594 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800595 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800596 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
597 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800598 bp->status_stats_size = status_blk_size +
599 sizeof(struct statistics_block);
600
601 bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700602 &bp->status_blk_mapping);
603 if (bp->status_blk == NULL)
604 goto alloc_mem_err;
605
Michael Chan0f31f992006-03-23 01:12:38 -0800606 memset(bp->status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700607
Michael Chanb4b36042007-12-20 19:59:30 -0800608 bp->bnx2_napi[0].status_blk = bp->status_blk;
David S. Millerf86e82f2008-01-21 17:15:40 -0800609 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800610 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
611 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
612
Michael Chan57851d82007-12-20 20:01:44 -0800613 bnapi->status_blk_msix = (void *)
Michael Chanb4b36042007-12-20 19:59:30 -0800614 ((unsigned long) bp->status_blk +
615 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
616 bnapi->int_num = i << 24;
617 }
618 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800619
Michael Chan0f31f992006-03-23 01:12:38 -0800620 bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
621 status_blk_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700622
Michael Chan0f31f992006-03-23 01:12:38 -0800623 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700624
Michael Chan59b47d82006-11-19 14:10:45 -0800625 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
626 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
627 if (bp->ctx_pages == 0)
628 bp->ctx_pages = 1;
629 for (i = 0; i < bp->ctx_pages; i++) {
630 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
631 BCM_PAGE_SIZE,
632 &bp->ctx_blk_mapping[i]);
633 if (bp->ctx_blk[i] == NULL)
634 goto alloc_mem_err;
635 }
636 }
Michael Chanb6016b72005-05-26 13:03:09 -0700637 return 0;
638
639alloc_mem_err:
640 bnx2_free_mem(bp);
641 return -ENOMEM;
642}
643
644static void
Michael Chane3648b32005-11-04 08:51:21 -0800645bnx2_report_fw_link(struct bnx2 *bp)
646{
647 u32 fw_link_status = 0;
648
Michael Chan583c28e2008-01-21 19:51:35 -0800649 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700650 return;
651
Michael Chane3648b32005-11-04 08:51:21 -0800652 if (bp->link_up) {
653 u32 bmsr;
654
655 switch (bp->line_speed) {
656 case SPEED_10:
657 if (bp->duplex == DUPLEX_HALF)
658 fw_link_status = BNX2_LINK_STATUS_10HALF;
659 else
660 fw_link_status = BNX2_LINK_STATUS_10FULL;
661 break;
662 case SPEED_100:
663 if (bp->duplex == DUPLEX_HALF)
664 fw_link_status = BNX2_LINK_STATUS_100HALF;
665 else
666 fw_link_status = BNX2_LINK_STATUS_100FULL;
667 break;
668 case SPEED_1000:
669 if (bp->duplex == DUPLEX_HALF)
670 fw_link_status = BNX2_LINK_STATUS_1000HALF;
671 else
672 fw_link_status = BNX2_LINK_STATUS_1000FULL;
673 break;
674 case SPEED_2500:
675 if (bp->duplex == DUPLEX_HALF)
676 fw_link_status = BNX2_LINK_STATUS_2500HALF;
677 else
678 fw_link_status = BNX2_LINK_STATUS_2500FULL;
679 break;
680 }
681
682 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
683
684 if (bp->autoneg) {
685 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
686
Michael Chanca58c3a2007-05-03 13:22:52 -0700687 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
688 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800689
690 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800691 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800692 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
693 else
694 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
695 }
696 }
697 else
698 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
699
Michael Chan2726d6e2008-01-29 21:35:05 -0800700 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800701}
702
Michael Chan9b1084b2007-07-07 22:50:37 -0700703static char *
704bnx2_xceiver_str(struct bnx2 *bp)
705{
706 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800707 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700708 "Copper"));
709}
710
Michael Chane3648b32005-11-04 08:51:21 -0800711static void
Michael Chanb6016b72005-05-26 13:03:09 -0700712bnx2_report_link(struct bnx2 *bp)
713{
714 if (bp->link_up) {
715 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700716 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
717 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700718
719 printk("%d Mbps ", bp->line_speed);
720
721 if (bp->duplex == DUPLEX_FULL)
722 printk("full duplex");
723 else
724 printk("half duplex");
725
726 if (bp->flow_ctrl) {
727 if (bp->flow_ctrl & FLOW_CTRL_RX) {
728 printk(", receive ");
729 if (bp->flow_ctrl & FLOW_CTRL_TX)
730 printk("& transmit ");
731 }
732 else {
733 printk(", transmit ");
734 }
735 printk("flow control ON");
736 }
737 printk("\n");
738 }
739 else {
740 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700741 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
742 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700743 }
Michael Chane3648b32005-11-04 08:51:21 -0800744
745 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700746}
747
748static void
749bnx2_resolve_flow_ctrl(struct bnx2 *bp)
750{
751 u32 local_adv, remote_adv;
752
753 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400754 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -0700755 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
756
757 if (bp->duplex == DUPLEX_FULL) {
758 bp->flow_ctrl = bp->req_flow_ctrl;
759 }
760 return;
761 }
762
763 if (bp->duplex != DUPLEX_FULL) {
764 return;
765 }
766
Michael Chan583c28e2008-01-21 19:51:35 -0800767 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -0800768 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
769 u32 val;
770
771 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
772 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
773 bp->flow_ctrl |= FLOW_CTRL_TX;
774 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
775 bp->flow_ctrl |= FLOW_CTRL_RX;
776 return;
777 }
778
Michael Chanca58c3a2007-05-03 13:22:52 -0700779 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
780 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700781
Michael Chan583c28e2008-01-21 19:51:35 -0800782 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -0700783 u32 new_local_adv = 0;
784 u32 new_remote_adv = 0;
785
786 if (local_adv & ADVERTISE_1000XPAUSE)
787 new_local_adv |= ADVERTISE_PAUSE_CAP;
788 if (local_adv & ADVERTISE_1000XPSE_ASYM)
789 new_local_adv |= ADVERTISE_PAUSE_ASYM;
790 if (remote_adv & ADVERTISE_1000XPAUSE)
791 new_remote_adv |= ADVERTISE_PAUSE_CAP;
792 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
793 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
794
795 local_adv = new_local_adv;
796 remote_adv = new_remote_adv;
797 }
798
799 /* See Table 28B-3 of 802.3ab-1999 spec. */
800 if (local_adv & ADVERTISE_PAUSE_CAP) {
801 if(local_adv & ADVERTISE_PAUSE_ASYM) {
802 if (remote_adv & ADVERTISE_PAUSE_CAP) {
803 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
804 }
805 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
806 bp->flow_ctrl = FLOW_CTRL_RX;
807 }
808 }
809 else {
810 if (remote_adv & ADVERTISE_PAUSE_CAP) {
811 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
812 }
813 }
814 }
815 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
816 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
817 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
818
819 bp->flow_ctrl = FLOW_CTRL_TX;
820 }
821 }
822}
823
824static int
Michael Chan27a005b2007-05-03 13:23:41 -0700825bnx2_5709s_linkup(struct bnx2 *bp)
826{
827 u32 val, speed;
828
829 bp->link_up = 1;
830
831 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
832 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
833 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
834
835 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
836 bp->line_speed = bp->req_line_speed;
837 bp->duplex = bp->req_duplex;
838 return 0;
839 }
840 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
841 switch (speed) {
842 case MII_BNX2_GP_TOP_AN_SPEED_10:
843 bp->line_speed = SPEED_10;
844 break;
845 case MII_BNX2_GP_TOP_AN_SPEED_100:
846 bp->line_speed = SPEED_100;
847 break;
848 case MII_BNX2_GP_TOP_AN_SPEED_1G:
849 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
850 bp->line_speed = SPEED_1000;
851 break;
852 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
853 bp->line_speed = SPEED_2500;
854 break;
855 }
856 if (val & MII_BNX2_GP_TOP_AN_FD)
857 bp->duplex = DUPLEX_FULL;
858 else
859 bp->duplex = DUPLEX_HALF;
860 return 0;
861}
862
863static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800864bnx2_5708s_linkup(struct bnx2 *bp)
865{
866 u32 val;
867
868 bp->link_up = 1;
869 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
870 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
871 case BCM5708S_1000X_STAT1_SPEED_10:
872 bp->line_speed = SPEED_10;
873 break;
874 case BCM5708S_1000X_STAT1_SPEED_100:
875 bp->line_speed = SPEED_100;
876 break;
877 case BCM5708S_1000X_STAT1_SPEED_1G:
878 bp->line_speed = SPEED_1000;
879 break;
880 case BCM5708S_1000X_STAT1_SPEED_2G5:
881 bp->line_speed = SPEED_2500;
882 break;
883 }
884 if (val & BCM5708S_1000X_STAT1_FD)
885 bp->duplex = DUPLEX_FULL;
886 else
887 bp->duplex = DUPLEX_HALF;
888
889 return 0;
890}
891
892static int
893bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700894{
895 u32 bmcr, local_adv, remote_adv, common;
896
897 bp->link_up = 1;
898 bp->line_speed = SPEED_1000;
899
Michael Chanca58c3a2007-05-03 13:22:52 -0700900 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700901 if (bmcr & BMCR_FULLDPLX) {
902 bp->duplex = DUPLEX_FULL;
903 }
904 else {
905 bp->duplex = DUPLEX_HALF;
906 }
907
908 if (!(bmcr & BMCR_ANENABLE)) {
909 return 0;
910 }
911
Michael Chanca58c3a2007-05-03 13:22:52 -0700912 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
913 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700914
915 common = local_adv & remote_adv;
916 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
917
918 if (common & ADVERTISE_1000XFULL) {
919 bp->duplex = DUPLEX_FULL;
920 }
921 else {
922 bp->duplex = DUPLEX_HALF;
923 }
924 }
925
926 return 0;
927}
928
929static int
930bnx2_copper_linkup(struct bnx2 *bp)
931{
932 u32 bmcr;
933
Michael Chanca58c3a2007-05-03 13:22:52 -0700934 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700935 if (bmcr & BMCR_ANENABLE) {
936 u32 local_adv, remote_adv, common;
937
938 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
939 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
940
941 common = local_adv & (remote_adv >> 2);
942 if (common & ADVERTISE_1000FULL) {
943 bp->line_speed = SPEED_1000;
944 bp->duplex = DUPLEX_FULL;
945 }
946 else if (common & ADVERTISE_1000HALF) {
947 bp->line_speed = SPEED_1000;
948 bp->duplex = DUPLEX_HALF;
949 }
950 else {
Michael Chanca58c3a2007-05-03 13:22:52 -0700951 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
952 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700953
954 common = local_adv & remote_adv;
955 if (common & ADVERTISE_100FULL) {
956 bp->line_speed = SPEED_100;
957 bp->duplex = DUPLEX_FULL;
958 }
959 else if (common & ADVERTISE_100HALF) {
960 bp->line_speed = SPEED_100;
961 bp->duplex = DUPLEX_HALF;
962 }
963 else if (common & ADVERTISE_10FULL) {
964 bp->line_speed = SPEED_10;
965 bp->duplex = DUPLEX_FULL;
966 }
967 else if (common & ADVERTISE_10HALF) {
968 bp->line_speed = SPEED_10;
969 bp->duplex = DUPLEX_HALF;
970 }
971 else {
972 bp->line_speed = 0;
973 bp->link_up = 0;
974 }
975 }
976 }
977 else {
978 if (bmcr & BMCR_SPEED100) {
979 bp->line_speed = SPEED_100;
980 }
981 else {
982 bp->line_speed = SPEED_10;
983 }
984 if (bmcr & BMCR_FULLDPLX) {
985 bp->duplex = DUPLEX_FULL;
986 }
987 else {
988 bp->duplex = DUPLEX_HALF;
989 }
990 }
991
992 return 0;
993}
994
Michael Chan83e3fc82008-01-29 21:37:17 -0800995static void
996bnx2_init_rx_context0(struct bnx2 *bp)
997{
998 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
999
1000 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002 val |= 0x02 << 8;
1003
1004 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005 u32 lo_water, hi_water;
1006
1007 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009 else
1010 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011 if (lo_water >= bp->rx_ring_size)
1012 lo_water = 0;
1013
1014 hi_water = bp->rx_ring_size / 4;
1015
1016 if (hi_water <= lo_water)
1017 lo_water = 0;
1018
1019 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022 if (hi_water > 0xf)
1023 hi_water = 0xf;
1024 else if (hi_water == 0)
1025 lo_water = 0;
1026 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027 }
1028 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029}
1030
Michael Chanb6016b72005-05-26 13:03:09 -07001031static int
1032bnx2_set_mac_link(struct bnx2 *bp)
1033{
1034 u32 val;
1035
1036 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038 (bp->duplex == DUPLEX_HALF)) {
1039 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040 }
1041
1042 /* Configure the EMAC mode register. */
1043 val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001046 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001047 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001048
1049 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001050 switch (bp->line_speed) {
1051 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001052 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001054 break;
1055 }
1056 /* fall through */
1057 case SPEED_100:
1058 val |= BNX2_EMAC_MODE_PORT_MII;
1059 break;
1060 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001061 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001062 /* fall through */
1063 case SPEED_1000:
1064 val |= BNX2_EMAC_MODE_PORT_GMII;
1065 break;
1066 }
Michael Chanb6016b72005-05-26 13:03:09 -07001067 }
1068 else {
1069 val |= BNX2_EMAC_MODE_PORT_GMII;
1070 }
1071
1072 /* Set the MAC to operate in the appropriate duplex mode. */
1073 if (bp->duplex == DUPLEX_HALF)
1074 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075 REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077 /* Enable/disable rx PAUSE. */
1078 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080 if (bp->flow_ctrl & FLOW_CTRL_RX)
1081 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084 /* Enable/disable tx PAUSE. */
1085 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088 if (bp->flow_ctrl & FLOW_CTRL_TX)
1089 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092 /* Acknowledge the interrupt. */
1093 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
Michael Chan83e3fc82008-01-29 21:37:17 -08001095 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096 bnx2_init_rx_context0(bp);
1097
Michael Chanb6016b72005-05-26 13:03:09 -07001098 return 0;
1099}
1100
Michael Chan27a005b2007-05-03 13:23:41 -07001101static void
1102bnx2_enable_bmsr1(struct bnx2 *bp)
1103{
Michael Chan583c28e2008-01-21 19:51:35 -08001104 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001105 (CHIP_NUM(bp) == CHIP_NUM_5709))
1106 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107 MII_BNX2_BLK_ADDR_GP_STATUS);
1108}
1109
1110static void
1111bnx2_disable_bmsr1(struct bnx2 *bp)
1112{
Michael Chan583c28e2008-01-21 19:51:35 -08001113 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001114 (CHIP_NUM(bp) == CHIP_NUM_5709))
1115 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117}
1118
Michael Chanb6016b72005-05-26 13:03:09 -07001119static int
Michael Chan605a9e22007-05-03 13:23:13 -07001120bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121{
1122 u32 up1;
1123 int ret = 1;
1124
Michael Chan583c28e2008-01-21 19:51:35 -08001125 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001126 return 0;
1127
1128 if (bp->autoneg & AUTONEG_SPEED)
1129 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
Michael Chan27a005b2007-05-03 13:23:41 -07001131 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
Michael Chan605a9e22007-05-03 13:23:13 -07001134 bnx2_read_phy(bp, bp->mii_up1, &up1);
1135 if (!(up1 & BCM5708S_UP1_2G5)) {
1136 up1 |= BCM5708S_UP1_2G5;
1137 bnx2_write_phy(bp, bp->mii_up1, up1);
1138 ret = 0;
1139 }
1140
Michael Chan27a005b2007-05-03 13:23:41 -07001141 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
Michael Chan605a9e22007-05-03 13:23:13 -07001145 return ret;
1146}
1147
1148static int
1149bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150{
1151 u32 up1;
1152 int ret = 0;
1153
Michael Chan583c28e2008-01-21 19:51:35 -08001154 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001155 return 0;
1156
Michael Chan27a005b2007-05-03 13:23:41 -07001157 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
Michael Chan605a9e22007-05-03 13:23:13 -07001160 bnx2_read_phy(bp, bp->mii_up1, &up1);
1161 if (up1 & BCM5708S_UP1_2G5) {
1162 up1 &= ~BCM5708S_UP1_2G5;
1163 bnx2_write_phy(bp, bp->mii_up1, up1);
1164 ret = 1;
1165 }
1166
Michael Chan27a005b2007-05-03 13:23:41 -07001167 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
Michael Chan605a9e22007-05-03 13:23:13 -07001171 return ret;
1172}
1173
1174static void
1175bnx2_enable_forced_2g5(struct bnx2 *bp)
1176{
1177 u32 bmcr;
1178
Michael Chan583c28e2008-01-21 19:51:35 -08001179 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001180 return;
1181
Michael Chan27a005b2007-05-03 13:23:41 -07001182 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183 u32 val;
1184
1185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186 MII_BNX2_BLK_ADDR_SERDES_DIG);
1187 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001197 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199 }
1200
1201 if (bp->autoneg & AUTONEG_SPEED) {
1202 bmcr &= ~BMCR_ANENABLE;
1203 if (bp->req_duplex == DUPLEX_FULL)
1204 bmcr |= BMCR_FULLDPLX;
1205 }
1206 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207}
1208
1209static void
1210bnx2_disable_forced_2g5(struct bnx2 *bp)
1211{
1212 u32 bmcr;
1213
Michael Chan583c28e2008-01-21 19:51:35 -08001214 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001215 return;
1216
Michael Chan27a005b2007-05-03 13:23:41 -07001217 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218 u32 val;
1219
1220 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221 MII_BNX2_BLK_ADDR_SERDES_DIG);
1222 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001231 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233 }
1234
1235 if (bp->autoneg & AUTONEG_SPEED)
1236 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238}
1239
Michael Chanb2fadea2008-01-21 17:07:06 -08001240static void
1241bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242{
1243 u32 val;
1244
1245 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247 if (start)
1248 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249 else
1250 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251}
1252
Michael Chan605a9e22007-05-03 13:23:13 -07001253static int
Michael Chanb6016b72005-05-26 13:03:09 -07001254bnx2_set_link(struct bnx2 *bp)
1255{
1256 u32 bmsr;
1257 u8 link_up;
1258
Michael Chan80be4432006-11-19 14:07:28 -08001259 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001260 bp->link_up = 1;
1261 return 0;
1262 }
1263
Michael Chan583c28e2008-01-21 19:51:35 -08001264 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001265 return 0;
1266
Michael Chanb6016b72005-05-26 13:03:09 -07001267 link_up = bp->link_up;
1268
Michael Chan27a005b2007-05-03 13:23:41 -07001269 bnx2_enable_bmsr1(bp);
1270 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001273
Michael Chan583c28e2008-01-21 19:51:35 -08001274 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001275 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001276 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001277
Michael Chan583c28e2008-01-21 19:51:35 -08001278 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001279 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001280 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001281 }
Michael Chanb6016b72005-05-26 13:03:09 -07001282 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001283
1284 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001290 bmsr |= BMSR_LSTATUS;
1291 else
1292 bmsr &= ~BMSR_LSTATUS;
1293 }
1294
1295 if (bmsr & BMSR_LSTATUS) {
1296 bp->link_up = 1;
1297
Michael Chan583c28e2008-01-21 19:51:35 -08001298 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001299 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300 bnx2_5706s_linkup(bp);
1301 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001303 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001305 }
1306 else {
1307 bnx2_copper_linkup(bp);
1308 }
1309 bnx2_resolve_flow_ctrl(bp);
1310 }
1311 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001312 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001313 (bp->autoneg & AUTONEG_SPEED))
1314 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001315
Michael Chan583c28e2008-01-21 19:51:35 -08001316 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001317 u32 bmcr;
1318
1319 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320 bmcr |= BMCR_ANENABLE;
1321 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
Michael Chan583c28e2008-01-21 19:51:35 -08001323 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001324 }
Michael Chanb6016b72005-05-26 13:03:09 -07001325 bp->link_up = 0;
1326 }
1327
1328 if (bp->link_up != link_up) {
1329 bnx2_report_link(bp);
1330 }
1331
1332 bnx2_set_mac_link(bp);
1333
1334 return 0;
1335}
1336
1337static int
1338bnx2_reset_phy(struct bnx2 *bp)
1339{
1340 int i;
1341 u32 reg;
1342
Michael Chanca58c3a2007-05-03 13:22:52 -07001343 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001344
1345#define PHY_RESET_MAX_WAIT 100
1346 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347 udelay(10);
1348
Michael Chanca58c3a2007-05-03 13:22:52 -07001349 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001350 if (!(reg & BMCR_RESET)) {
1351 udelay(20);
1352 break;
1353 }
1354 }
1355 if (i == PHY_RESET_MAX_WAIT) {
1356 return -EBUSY;
1357 }
1358 return 0;
1359}
1360
1361static u32
1362bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363{
1364 u32 adv = 0;
1365
1366 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
Michael Chan583c28e2008-01-21 19:51:35 -08001369 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001370 adv = ADVERTISE_1000XPAUSE;
1371 }
1372 else {
1373 adv = ADVERTISE_PAUSE_CAP;
1374 }
1375 }
1376 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001378 adv = ADVERTISE_1000XPSE_ASYM;
1379 }
1380 else {
1381 adv = ADVERTISE_PAUSE_ASYM;
1382 }
1383 }
1384 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001385 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001386 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387 }
1388 else {
1389 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390 }
1391 }
1392 return adv;
1393}
1394
Michael Chan0d8a6572007-07-07 22:49:43 -07001395static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
Michael Chanb6016b72005-05-26 13:03:09 -07001397static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001398bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399{
1400 u32 speed_arg = 0, pause_adv;
1401
1402 pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404 if (bp->autoneg & AUTONEG_SPEED) {
1405 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406 if (bp->advertising & ADVERTISED_10baseT_Half)
1407 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408 if (bp->advertising & ADVERTISED_10baseT_Full)
1409 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410 if (bp->advertising & ADVERTISED_100baseT_Half)
1411 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412 if (bp->advertising & ADVERTISED_100baseT_Full)
1413 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418 } else {
1419 if (bp->req_line_speed == SPEED_2500)
1420 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421 else if (bp->req_line_speed == SPEED_1000)
1422 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423 else if (bp->req_line_speed == SPEED_100) {
1424 if (bp->req_duplex == DUPLEX_FULL)
1425 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426 else
1427 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428 } else if (bp->req_line_speed == SPEED_10) {
1429 if (bp->req_duplex == DUPLEX_FULL)
1430 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431 else
1432 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433 }
1434 }
1435
1436 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001438 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001439 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441 if (port == PORT_TP)
1442 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
Michael Chan2726d6e2008-01-29 21:35:05 -08001445 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001446
1447 spin_unlock_bh(&bp->phy_lock);
1448 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449 spin_lock_bh(&bp->phy_lock);
1450
1451 return 0;
1452}
1453
1454static int
1455bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001456{
Michael Chan605a9e22007-05-03 13:23:13 -07001457 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001458 u32 new_adv = 0;
1459
Michael Chan583c28e2008-01-21 19:51:35 -08001460 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001461 return (bnx2_setup_remote_phy(bp, port));
1462
Michael Chanb6016b72005-05-26 13:03:09 -07001463 if (!(bp->autoneg & AUTONEG_SPEED)) {
1464 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001465 int force_link_down = 0;
1466
Michael Chan605a9e22007-05-03 13:23:13 -07001467 if (bp->req_line_speed == SPEED_2500) {
1468 if (!bnx2_test_and_enable_2g5(bp))
1469 force_link_down = 1;
1470 } else if (bp->req_line_speed == SPEED_1000) {
1471 if (bnx2_test_and_disable_2g5(bp))
1472 force_link_down = 1;
1473 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001474 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001475 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
Michael Chanca58c3a2007-05-03 13:22:52 -07001477 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001478 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001479 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001480
Michael Chan27a005b2007-05-03 13:23:41 -07001481 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482 if (bp->req_line_speed == SPEED_2500)
1483 bnx2_enable_forced_2g5(bp);
1484 else if (bp->req_line_speed == SPEED_1000) {
1485 bnx2_disable_forced_2g5(bp);
1486 new_bmcr &= ~0x2000;
1487 }
1488
1489 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001490 if (bp->req_line_speed == SPEED_2500)
1491 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492 else
1493 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001494 }
1495
Michael Chanb6016b72005-05-26 13:03:09 -07001496 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001497 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001498 new_bmcr |= BMCR_FULLDPLX;
1499 }
1500 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001501 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001502 new_bmcr &= ~BMCR_FULLDPLX;
1503 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001504 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001505 /* Force a link down visible on the other side */
1506 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001507 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001508 ~(ADVERTISE_1000XFULL |
1509 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001510 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001511 BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513 bp->link_up = 0;
1514 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001515 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001516 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001517 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001518 bnx2_write_phy(bp, bp->mii_adv, adv);
1519 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001520 } else {
1521 bnx2_resolve_flow_ctrl(bp);
1522 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001523 }
1524 return 0;
1525 }
1526
Michael Chan605a9e22007-05-03 13:23:13 -07001527 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001528
Michael Chanb6016b72005-05-26 13:03:09 -07001529 if (bp->advertising & ADVERTISED_1000baseT_Full)
1530 new_adv |= ADVERTISE_1000XFULL;
1531
1532 new_adv |= bnx2_phy_get_pause_adv(bp);
1533
Michael Chanca58c3a2007-05-03 13:22:52 -07001534 bnx2_read_phy(bp, bp->mii_adv, &adv);
1535 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001536
1537 bp->serdes_an_pending = 0;
1538 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539 /* Force a link down visible on the other side */
1540 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001541 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001542 spin_unlock_bh(&bp->phy_lock);
1543 msleep(20);
1544 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001545 }
1546
Michael Chanca58c3a2007-05-03 13:22:52 -07001547 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001549 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001550 /* Speed up link-up time when the link partner
1551 * does not autonegotiate which is very common
1552 * in blade servers. Some blade servers use
1553 * IPMI for kerboard input and it's important
1554 * to minimize link disruptions. Autoneg. involves
1555 * exchanging base pages plus 3 next pages and
1556 * normally completes in about 120 msec.
1557 */
1558 bp->current_interval = SERDES_AN_TIMEOUT;
1559 bp->serdes_an_pending = 1;
1560 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001561 } else {
1562 bnx2_resolve_flow_ctrl(bp);
1563 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001564 }
1565
1566 return 0;
1567}
1568
1569#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001570 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001571 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001573
1574#define ETHTOOL_ALL_COPPER_SPEED \
1575 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1576 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1577 ADVERTISED_1000baseT_Full)
1578
1579#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001581
Michael Chanb6016b72005-05-26 13:03:09 -07001582#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
Michael Chandeaf3912007-07-07 22:48:00 -07001584static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001585bnx2_set_default_remote_link(struct bnx2 *bp)
1586{
1587 u32 link;
1588
1589 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001590 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001591 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001592 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001593
1594 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595 bp->req_line_speed = 0;
1596 bp->autoneg |= AUTONEG_SPEED;
1597 bp->advertising = ADVERTISED_Autoneg;
1598 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599 bp->advertising |= ADVERTISED_10baseT_Half;
1600 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601 bp->advertising |= ADVERTISED_10baseT_Full;
1602 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603 bp->advertising |= ADVERTISED_100baseT_Half;
1604 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605 bp->advertising |= ADVERTISED_100baseT_Full;
1606 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607 bp->advertising |= ADVERTISED_1000baseT_Full;
1608 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609 bp->advertising |= ADVERTISED_2500baseX_Full;
1610 } else {
1611 bp->autoneg = 0;
1612 bp->advertising = 0;
1613 bp->req_duplex = DUPLEX_FULL;
1614 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615 bp->req_line_speed = SPEED_10;
1616 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617 bp->req_duplex = DUPLEX_HALF;
1618 }
1619 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620 bp->req_line_speed = SPEED_100;
1621 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622 bp->req_duplex = DUPLEX_HALF;
1623 }
1624 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625 bp->req_line_speed = SPEED_1000;
1626 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627 bp->req_line_speed = SPEED_2500;
1628 }
1629}
1630
1631static void
Michael Chandeaf3912007-07-07 22:48:00 -07001632bnx2_set_default_link(struct bnx2 *bp)
1633{
Harvey Harrisonab598592008-05-01 02:47:38 -07001634 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635 bnx2_set_default_remote_link(bp);
1636 return;
1637 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001638
Michael Chandeaf3912007-07-07 22:48:00 -07001639 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001641 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001642 u32 reg;
1643
1644 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
Michael Chan2726d6e2008-01-29 21:35:05 -08001646 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001647 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649 bp->autoneg = 0;
1650 bp->req_line_speed = bp->line_speed = SPEED_1000;
1651 bp->req_duplex = DUPLEX_FULL;
1652 }
1653 } else
1654 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655}
1656
Michael Chan0d8a6572007-07-07 22:49:43 -07001657static void
Michael Chandf149d72007-07-07 22:51:36 -07001658bnx2_send_heart_beat(struct bnx2 *bp)
1659{
1660 u32 msg;
1661 u32 addr;
1662
1663 spin_lock(&bp->indirect_lock);
1664 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668 spin_unlock(&bp->indirect_lock);
1669}
1670
1671static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001672bnx2_remote_phy_event(struct bnx2 *bp)
1673{
1674 u32 msg;
1675 u8 link_up = bp->link_up;
1676 u8 old_port;
1677
Michael Chan2726d6e2008-01-29 21:35:05 -08001678 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001679
Michael Chandf149d72007-07-07 22:51:36 -07001680 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681 bnx2_send_heart_beat(bp);
1682
1683 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
Michael Chan0d8a6572007-07-07 22:49:43 -07001685 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686 bp->link_up = 0;
1687 else {
1688 u32 speed;
1689
1690 bp->link_up = 1;
1691 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692 bp->duplex = DUPLEX_FULL;
1693 switch (speed) {
1694 case BNX2_LINK_STATUS_10HALF:
1695 bp->duplex = DUPLEX_HALF;
1696 case BNX2_LINK_STATUS_10FULL:
1697 bp->line_speed = SPEED_10;
1698 break;
1699 case BNX2_LINK_STATUS_100HALF:
1700 bp->duplex = DUPLEX_HALF;
1701 case BNX2_LINK_STATUS_100BASE_T4:
1702 case BNX2_LINK_STATUS_100FULL:
1703 bp->line_speed = SPEED_100;
1704 break;
1705 case BNX2_LINK_STATUS_1000HALF:
1706 bp->duplex = DUPLEX_HALF;
1707 case BNX2_LINK_STATUS_1000FULL:
1708 bp->line_speed = SPEED_1000;
1709 break;
1710 case BNX2_LINK_STATUS_2500HALF:
1711 bp->duplex = DUPLEX_HALF;
1712 case BNX2_LINK_STATUS_2500FULL:
1713 bp->line_speed = SPEED_2500;
1714 break;
1715 default:
1716 bp->line_speed = 0;
1717 break;
1718 }
1719
Michael Chan0d8a6572007-07-07 22:49:43 -07001720 bp->flow_ctrl = 0;
1721 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723 if (bp->duplex == DUPLEX_FULL)
1724 bp->flow_ctrl = bp->req_flow_ctrl;
1725 } else {
1726 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727 bp->flow_ctrl |= FLOW_CTRL_TX;
1728 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729 bp->flow_ctrl |= FLOW_CTRL_RX;
1730 }
1731
1732 old_port = bp->phy_port;
1733 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734 bp->phy_port = PORT_FIBRE;
1735 else
1736 bp->phy_port = PORT_TP;
1737
1738 if (old_port != bp->phy_port)
1739 bnx2_set_default_link(bp);
1740
Michael Chan0d8a6572007-07-07 22:49:43 -07001741 }
1742 if (bp->link_up != link_up)
1743 bnx2_report_link(bp);
1744
1745 bnx2_set_mac_link(bp);
1746}
1747
1748static int
1749bnx2_set_remote_link(struct bnx2 *bp)
1750{
1751 u32 evt_code;
1752
Michael Chan2726d6e2008-01-29 21:35:05 -08001753 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07001754 switch (evt_code) {
1755 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756 bnx2_remote_phy_event(bp);
1757 break;
1758 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759 default:
Michael Chandf149d72007-07-07 22:51:36 -07001760 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07001761 break;
1762 }
1763 return 0;
1764}
1765
Michael Chanb6016b72005-05-26 13:03:09 -07001766static int
1767bnx2_setup_copper_phy(struct bnx2 *bp)
1768{
1769 u32 bmcr;
1770 u32 new_bmcr;
1771
Michael Chanca58c3a2007-05-03 13:22:52 -07001772 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001773
1774 if (bp->autoneg & AUTONEG_SPEED) {
1775 u32 adv_reg, adv1000_reg;
1776 u32 new_adv_reg = 0;
1777 u32 new_adv1000_reg = 0;
1778
Michael Chanca58c3a2007-05-03 13:22:52 -07001779 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001780 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781 ADVERTISE_PAUSE_ASYM);
1782
1783 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786 if (bp->advertising & ADVERTISED_10baseT_Half)
1787 new_adv_reg |= ADVERTISE_10HALF;
1788 if (bp->advertising & ADVERTISED_10baseT_Full)
1789 new_adv_reg |= ADVERTISE_10FULL;
1790 if (bp->advertising & ADVERTISED_100baseT_Half)
1791 new_adv_reg |= ADVERTISE_100HALF;
1792 if (bp->advertising & ADVERTISED_100baseT_Full)
1793 new_adv_reg |= ADVERTISE_100FULL;
1794 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001796
Michael Chanb6016b72005-05-26 13:03:09 -07001797 new_adv_reg |= ADVERTISE_CSMA;
1798
1799 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801 if ((adv1000_reg != new_adv1000_reg) ||
1802 (adv_reg != new_adv_reg) ||
1803 ((bmcr & BMCR_ANENABLE) == 0)) {
1804
Michael Chanca58c3a2007-05-03 13:22:52 -07001805 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001806 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07001807 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001808 BMCR_ANENABLE);
1809 }
1810 else if (bp->link_up) {
1811 /* Flow ctrl may have changed from auto to forced */
1812 /* or vice-versa. */
1813
1814 bnx2_resolve_flow_ctrl(bp);
1815 bnx2_set_mac_link(bp);
1816 }
1817 return 0;
1818 }
1819
1820 new_bmcr = 0;
1821 if (bp->req_line_speed == SPEED_100) {
1822 new_bmcr |= BMCR_SPEED100;
1823 }
1824 if (bp->req_duplex == DUPLEX_FULL) {
1825 new_bmcr |= BMCR_FULLDPLX;
1826 }
1827 if (new_bmcr != bmcr) {
1828 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07001829
Michael Chanca58c3a2007-05-03 13:22:52 -07001830 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001832
Michael Chanb6016b72005-05-26 13:03:09 -07001833 if (bmsr & BMSR_LSTATUS) {
1834 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07001835 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08001836 spin_unlock_bh(&bp->phy_lock);
1837 msleep(50);
1838 spin_lock_bh(&bp->phy_lock);
1839
Michael Chanca58c3a2007-05-03 13:22:52 -07001840 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07001842 }
1843
Michael Chanca58c3a2007-05-03 13:22:52 -07001844 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001845
1846 /* Normally, the new speed is setup after the link has
1847 * gone down and up again. In some cases, link will not go
1848 * down so we need to set up the new speed here.
1849 */
1850 if (bmsr & BMSR_LSTATUS) {
1851 bp->line_speed = bp->req_line_speed;
1852 bp->duplex = bp->req_duplex;
1853 bnx2_resolve_flow_ctrl(bp);
1854 bnx2_set_mac_link(bp);
1855 }
Michael Chan27a005b2007-05-03 13:23:41 -07001856 } else {
1857 bnx2_resolve_flow_ctrl(bp);
1858 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001859 }
1860 return 0;
1861}
1862
1863static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001864bnx2_setup_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001865{
1866 if (bp->loopback == MAC_LOOPBACK)
1867 return 0;
1868
Michael Chan583c28e2008-01-21 19:51:35 -08001869 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07001870 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07001871 }
1872 else {
1873 return (bnx2_setup_copper_phy(bp));
1874 }
1875}
1876
1877static int
Michael Chan27a005b2007-05-03 13:23:41 -07001878bnx2_init_5709s_phy(struct bnx2 *bp)
1879{
1880 u32 val;
1881
1882 bp->mii_bmcr = MII_BMCR + 0x10;
1883 bp->mii_bmsr = MII_BMSR + 0x10;
1884 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885 bp->mii_adv = MII_ADVERTISE + 0x10;
1886 bp->mii_lpa = MII_LPA + 0x10;
1887 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893 bnx2_reset_phy(bp);
1894
1895 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1896
1897 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1898 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1899 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1900 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1901
1902 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1903 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08001904 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07001905 val |= BCM5708S_UP1_2G5;
1906 else
1907 val &= ~BCM5708S_UP1_2G5;
1908 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1909
1910 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1911 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1912 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1913 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1914
1915 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1916
1917 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1918 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1919 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1920
1921 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1922
1923 return 0;
1924}
1925
1926static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001927bnx2_init_5708s_phy(struct bnx2 *bp)
1928{
1929 u32 val;
1930
Michael Chan27a005b2007-05-03 13:23:41 -07001931 bnx2_reset_phy(bp);
1932
1933 bp->mii_up1 = BCM5708S_UP1;
1934
Michael Chan5b0c76a2005-11-04 08:45:49 -08001935 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1936 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1937 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1938
1939 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1940 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1941 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1942
1943 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1944 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1945 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1946
Michael Chan583c28e2008-01-21 19:51:35 -08001947 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001948 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1949 val |= BCM5708S_UP1_2G5;
1950 bnx2_write_phy(bp, BCM5708S_UP1, val);
1951 }
1952
1953 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08001954 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1955 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001956 /* increase tx signal amplitude */
1957 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1958 BCM5708S_BLK_ADDR_TX_MISC);
1959 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1960 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1961 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1962 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1963 }
1964
Michael Chan2726d6e2008-01-29 21:35:05 -08001965 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001966 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1967
1968 if (val) {
1969 u32 is_backplane;
1970
Michael Chan2726d6e2008-01-29 21:35:05 -08001971 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001972 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1973 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1974 BCM5708S_BLK_ADDR_TX_MISC);
1975 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1976 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1977 BCM5708S_BLK_ADDR_DIG);
1978 }
1979 }
1980 return 0;
1981}
1982
1983static int
1984bnx2_init_5706s_phy(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001985{
Michael Chan27a005b2007-05-03 13:23:41 -07001986 bnx2_reset_phy(bp);
1987
Michael Chan583c28e2008-01-21 19:51:35 -08001988 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07001989
Michael Chan59b47d82006-11-19 14:10:45 -08001990 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1991 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07001992
1993 if (bp->dev->mtu > 1500) {
1994 u32 val;
1995
1996 /* Set extended packet length bit */
1997 bnx2_write_phy(bp, 0x18, 0x7);
1998 bnx2_read_phy(bp, 0x18, &val);
1999 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2000
2001 bnx2_write_phy(bp, 0x1c, 0x6c00);
2002 bnx2_read_phy(bp, 0x1c, &val);
2003 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2004 }
2005 else {
2006 u32 val;
2007
2008 bnx2_write_phy(bp, 0x18, 0x7);
2009 bnx2_read_phy(bp, 0x18, &val);
2010 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2011
2012 bnx2_write_phy(bp, 0x1c, 0x6c00);
2013 bnx2_read_phy(bp, 0x1c, &val);
2014 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2015 }
2016
2017 return 0;
2018}
2019
2020static int
2021bnx2_init_copper_phy(struct bnx2 *bp)
2022{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002023 u32 val;
2024
Michael Chan27a005b2007-05-03 13:23:41 -07002025 bnx2_reset_phy(bp);
2026
Michael Chan583c28e2008-01-21 19:51:35 -08002027 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002028 bnx2_write_phy(bp, 0x18, 0x0c00);
2029 bnx2_write_phy(bp, 0x17, 0x000a);
2030 bnx2_write_phy(bp, 0x15, 0x310b);
2031 bnx2_write_phy(bp, 0x17, 0x201f);
2032 bnx2_write_phy(bp, 0x15, 0x9506);
2033 bnx2_write_phy(bp, 0x17, 0x401f);
2034 bnx2_write_phy(bp, 0x15, 0x14e2);
2035 bnx2_write_phy(bp, 0x18, 0x0400);
2036 }
2037
Michael Chan583c28e2008-01-21 19:51:35 -08002038 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002039 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2040 MII_BNX2_DSP_EXPAND_REG | 0x8);
2041 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2042 val &= ~(1 << 8);
2043 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2044 }
2045
Michael Chanb6016b72005-05-26 13:03:09 -07002046 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002047 /* Set extended packet length bit */
2048 bnx2_write_phy(bp, 0x18, 0x7);
2049 bnx2_read_phy(bp, 0x18, &val);
2050 bnx2_write_phy(bp, 0x18, val | 0x4000);
2051
2052 bnx2_read_phy(bp, 0x10, &val);
2053 bnx2_write_phy(bp, 0x10, val | 0x1);
2054 }
2055 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002056 bnx2_write_phy(bp, 0x18, 0x7);
2057 bnx2_read_phy(bp, 0x18, &val);
2058 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2059
2060 bnx2_read_phy(bp, 0x10, &val);
2061 bnx2_write_phy(bp, 0x10, val & ~0x1);
2062 }
2063
Michael Chan5b0c76a2005-11-04 08:45:49 -08002064 /* ethernet@wirespeed */
2065 bnx2_write_phy(bp, 0x18, 0x7007);
2066 bnx2_read_phy(bp, 0x18, &val);
2067 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002068 return 0;
2069}
2070
2071
2072static int
2073bnx2_init_phy(struct bnx2 *bp)
2074{
2075 u32 val;
2076 int rc = 0;
2077
Michael Chan583c28e2008-01-21 19:51:35 -08002078 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2079 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002080
Michael Chanca58c3a2007-05-03 13:22:52 -07002081 bp->mii_bmcr = MII_BMCR;
2082 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002083 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002084 bp->mii_adv = MII_ADVERTISE;
2085 bp->mii_lpa = MII_LPA;
2086
Michael Chanb6016b72005-05-26 13:03:09 -07002087 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2088
Michael Chan583c28e2008-01-21 19:51:35 -08002089 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002090 goto setup_phy;
2091
Michael Chanb6016b72005-05-26 13:03:09 -07002092 bnx2_read_phy(bp, MII_PHYSID1, &val);
2093 bp->phy_id = val << 16;
2094 bnx2_read_phy(bp, MII_PHYSID2, &val);
2095 bp->phy_id |= val & 0xffff;
2096
Michael Chan583c28e2008-01-21 19:51:35 -08002097 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002098 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2099 rc = bnx2_init_5706s_phy(bp);
2100 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2101 rc = bnx2_init_5708s_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002102 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2103 rc = bnx2_init_5709s_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002104 }
2105 else {
2106 rc = bnx2_init_copper_phy(bp);
2107 }
2108
Michael Chan0d8a6572007-07-07 22:49:43 -07002109setup_phy:
2110 if (!rc)
2111 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002112
2113 return rc;
2114}
2115
2116static int
2117bnx2_set_mac_loopback(struct bnx2 *bp)
2118{
2119 u32 mac_mode;
2120
2121 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2122 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2123 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2124 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2125 bp->link_up = 1;
2126 return 0;
2127}
2128
Michael Chanbc5a0692006-01-23 16:13:22 -08002129static int bnx2_test_link(struct bnx2 *);
2130
2131static int
2132bnx2_set_phy_loopback(struct bnx2 *bp)
2133{
2134 u32 mac_mode;
2135 int rc, i;
2136
2137 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002138 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002139 BMCR_SPEED1000);
2140 spin_unlock_bh(&bp->phy_lock);
2141 if (rc)
2142 return rc;
2143
2144 for (i = 0; i < 10; i++) {
2145 if (bnx2_test_link(bp) == 0)
2146 break;
Michael Chan80be4432006-11-19 14:07:28 -08002147 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002148 }
2149
2150 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2151 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2152 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002153 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002154
2155 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2156 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2157 bp->link_up = 1;
2158 return 0;
2159}
2160
Michael Chanb6016b72005-05-26 13:03:09 -07002161static int
Michael Chanb090ae22006-01-23 16:07:10 -08002162bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002163{
2164 int i;
2165 u32 val;
2166
Michael Chanb6016b72005-05-26 13:03:09 -07002167 bp->fw_wr_seq++;
2168 msg_data |= bp->fw_wr_seq;
2169
Michael Chan2726d6e2008-01-29 21:35:05 -08002170 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002171
2172 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002173 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2174 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002175
Michael Chan2726d6e2008-01-29 21:35:05 -08002176 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002177
2178 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2179 break;
2180 }
Michael Chanb090ae22006-01-23 16:07:10 -08002181 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2182 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002183
2184 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002185 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2186 if (!silent)
2187 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2188 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002189
2190 msg_data &= ~BNX2_DRV_MSG_CODE;
2191 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2192
Michael Chan2726d6e2008-01-29 21:35:05 -08002193 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002194
Michael Chanb6016b72005-05-26 13:03:09 -07002195 return -EBUSY;
2196 }
2197
Michael Chanb090ae22006-01-23 16:07:10 -08002198 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2199 return -EIO;
2200
Michael Chanb6016b72005-05-26 13:03:09 -07002201 return 0;
2202}
2203
Michael Chan59b47d82006-11-19 14:10:45 -08002204static int
2205bnx2_init_5709_context(struct bnx2 *bp)
2206{
2207 int i, ret = 0;
2208 u32 val;
2209
2210 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2211 val |= (BCM_PAGE_BITS - 8) << 16;
2212 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002213 for (i = 0; i < 10; i++) {
2214 val = REG_RD(bp, BNX2_CTX_COMMAND);
2215 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2216 break;
2217 udelay(2);
2218 }
2219 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2220 return -EBUSY;
2221
Michael Chan59b47d82006-11-19 14:10:45 -08002222 for (i = 0; i < bp->ctx_pages; i++) {
2223 int j;
2224
2225 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2226 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2227 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2228 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2229 (u64) bp->ctx_blk_mapping[i] >> 32);
2230 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2231 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2232 for (j = 0; j < 10; j++) {
2233
2234 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2235 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2236 break;
2237 udelay(5);
2238 }
2239 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2240 ret = -EBUSY;
2241 break;
2242 }
2243 }
2244 return ret;
2245}
2246
Michael Chanb6016b72005-05-26 13:03:09 -07002247static void
2248bnx2_init_context(struct bnx2 *bp)
2249{
2250 u32 vcid;
2251
2252 vcid = 96;
2253 while (vcid) {
2254 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002255 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002256
2257 vcid--;
2258
2259 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2260 u32 new_vcid;
2261
2262 vcid_addr = GET_PCID_ADDR(vcid);
2263 if (vcid & 0x8) {
2264 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2265 }
2266 else {
2267 new_vcid = vcid;
2268 }
2269 pcid_addr = GET_PCID_ADDR(new_vcid);
2270 }
2271 else {
2272 vcid_addr = GET_CID_ADDR(vcid);
2273 pcid_addr = vcid_addr;
2274 }
2275
Michael Chan7947b202007-06-04 21:17:10 -07002276 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2277 vcid_addr += (i << PHY_CTX_SHIFT);
2278 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002279
Michael Chan5d5d0012007-12-12 11:17:43 -08002280 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002281 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2282
2283 /* Zero out the context. */
2284 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002285 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002286 }
Michael Chanb6016b72005-05-26 13:03:09 -07002287 }
2288}
2289
2290static int
2291bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2292{
2293 u16 *good_mbuf;
2294 u32 good_mbuf_cnt;
2295 u32 val;
2296
2297 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2298 if (good_mbuf == NULL) {
2299 printk(KERN_ERR PFX "Failed to allocate memory in "
2300 "bnx2_alloc_bad_rbuf\n");
2301 return -ENOMEM;
2302 }
2303
2304 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2305 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2306
2307 good_mbuf_cnt = 0;
2308
2309 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002310 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002311 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002312 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2313 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002314
Michael Chan2726d6e2008-01-29 21:35:05 -08002315 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002316
2317 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2318
2319 /* The addresses with Bit 9 set are bad memory blocks. */
2320 if (!(val & (1 << 9))) {
2321 good_mbuf[good_mbuf_cnt] = (u16) val;
2322 good_mbuf_cnt++;
2323 }
2324
Michael Chan2726d6e2008-01-29 21:35:05 -08002325 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002326 }
2327
2328 /* Free the good ones back to the mbuf pool thus discarding
2329 * all the bad ones. */
2330 while (good_mbuf_cnt) {
2331 good_mbuf_cnt--;
2332
2333 val = good_mbuf[good_mbuf_cnt];
2334 val = (val << 9) | val | 1;
2335
Michael Chan2726d6e2008-01-29 21:35:05 -08002336 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002337 }
2338 kfree(good_mbuf);
2339 return 0;
2340}
2341
2342static void
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002343bnx2_set_mac_addr(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07002344{
2345 u32 val;
2346 u8 *mac_addr = bp->dev->dev_addr;
2347
2348 val = (mac_addr[0] << 8) | mac_addr[1];
2349
2350 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2351
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002352 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002353 (mac_addr[4] << 8) | mac_addr[5];
2354
2355 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2356}
2357
2358static inline int
Michael Chan47bf4242007-12-12 11:19:12 -08002359bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2360{
2361 dma_addr_t mapping;
2362 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2363 struct rx_bd *rxbd =
2364 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2365 struct page *page = alloc_page(GFP_ATOMIC);
2366
2367 if (!page)
2368 return -ENOMEM;
2369 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2370 PCI_DMA_FROMDEVICE);
2371 rx_pg->page = page;
2372 pci_unmap_addr_set(rx_pg, mapping, mapping);
2373 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2374 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2375 return 0;
2376}
2377
2378static void
2379bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2380{
2381 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2382 struct page *page = rx_pg->page;
2383
2384 if (!page)
2385 return;
2386
2387 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2388 PCI_DMA_FROMDEVICE);
2389
2390 __free_page(page);
2391 rx_pg->page = NULL;
2392}
2393
2394static inline int
Michael Chana1f60192007-12-20 19:57:19 -08002395bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002396{
2397 struct sk_buff *skb;
2398 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2399 dma_addr_t mapping;
Michael Chan13daffa2006-03-20 17:49:20 -08002400 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002401 unsigned long align;
2402
Michael Chan932f3772006-08-15 01:39:36 -07002403 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002404 if (skb == NULL) {
2405 return -ENOMEM;
2406 }
2407
Michael Chan59b47d82006-11-19 14:10:45 -08002408 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2409 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002410
Michael Chanb6016b72005-05-26 13:03:09 -07002411 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2412 PCI_DMA_FROMDEVICE);
2413
2414 rx_buf->skb = skb;
2415 pci_unmap_addr_set(rx_buf, mapping, mapping);
2416
2417 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2418 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2419
Michael Chana1f60192007-12-20 19:57:19 -08002420 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002421
2422 return 0;
2423}
2424
Michael Chanda3e4fb2007-05-03 13:24:23 -07002425static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002426bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002427{
Michael Chan35efa7c2007-12-20 19:56:37 -08002428 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002429 u32 new_link_state, old_link_state;
2430 int is_set = 1;
2431
2432 new_link_state = sblk->status_attn_bits & event;
2433 old_link_state = sblk->status_attn_bits_ack & event;
2434 if (new_link_state != old_link_state) {
2435 if (new_link_state)
2436 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2437 else
2438 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2439 } else
2440 is_set = 0;
2441
2442 return is_set;
2443}
2444
Michael Chanb6016b72005-05-26 13:03:09 -07002445static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002446bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002447{
Michael Chan74ecc622008-05-02 16:56:16 -07002448 spin_lock(&bp->phy_lock);
2449
2450 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002451 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002452 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002453 bnx2_set_remote_link(bp);
2454
Michael Chan74ecc622008-05-02 16:56:16 -07002455 spin_unlock(&bp->phy_lock);
2456
Michael Chanb6016b72005-05-26 13:03:09 -07002457}
2458
Michael Chanead72702007-12-20 19:55:39 -08002459static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002460bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002461{
2462 u16 cons;
2463
Michael Chanc76c0472007-12-20 20:01:19 -08002464 if (bnapi->int_num == 0)
2465 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2466 else
2467 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
Michael Chanead72702007-12-20 19:55:39 -08002468
2469 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2470 cons++;
2471 return cons;
2472}
2473
Michael Chan57851d82007-12-20 20:01:44 -08002474static int
2475bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002476{
2477 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002478 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002479
Michael Chan35efa7c2007-12-20 19:56:37 -08002480 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chana550c992007-12-20 19:56:59 -08002481 sw_cons = bnapi->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002482
2483 while (sw_cons != hw_cons) {
2484 struct sw_bd *tx_buf;
2485 struct sk_buff *skb;
2486 int i, last;
2487
2488 sw_ring_cons = TX_RING_IDX(sw_cons);
2489
2490 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2491 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002492
Michael Chanb6016b72005-05-26 13:03:09 -07002493 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002494 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002495 u16 last_idx, last_ring_idx;
2496
2497 last_idx = sw_cons +
2498 skb_shinfo(skb)->nr_frags + 1;
2499 last_ring_idx = sw_ring_cons +
2500 skb_shinfo(skb)->nr_frags + 1;
2501 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2502 last_idx++;
2503 }
2504 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2505 break;
2506 }
2507 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002508
Michael Chanb6016b72005-05-26 13:03:09 -07002509 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2510 skb_headlen(skb), PCI_DMA_TODEVICE);
2511
2512 tx_buf->skb = NULL;
2513 last = skb_shinfo(skb)->nr_frags;
2514
2515 for (i = 0; i < last; i++) {
2516 sw_cons = NEXT_TX_BD(sw_cons);
2517
2518 pci_unmap_page(bp->pdev,
2519 pci_unmap_addr(
2520 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2521 mapping),
2522 skb_shinfo(skb)->frags[i].size,
2523 PCI_DMA_TODEVICE);
2524 }
2525
2526 sw_cons = NEXT_TX_BD(sw_cons);
2527
Michael Chan745720e2006-06-29 12:37:41 -07002528 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002529 tx_pkt++;
2530 if (tx_pkt == budget)
2531 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002532
Michael Chan35efa7c2007-12-20 19:56:37 -08002533 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002534 }
2535
Michael Chana550c992007-12-20 19:56:59 -08002536 bnapi->hw_tx_cons = hw_cons;
2537 bnapi->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002538 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2539 * before checking for netif_queue_stopped(). Without the
2540 * memory barrier, there is a small possibility that bnx2_start_xmit()
2541 * will miss it and cause the queue to be stopped forever.
2542 */
2543 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002544
Michael Chan2f8af122006-08-15 01:39:10 -07002545 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002546 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002547 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002548 if ((netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002549 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002550 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002551 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002552 }
Michael Chan57851d82007-12-20 20:01:44 -08002553 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002554}
2555
Michael Chan1db82f22007-12-12 11:19:35 -08002556static void
Michael Chana1f60192007-12-20 19:57:19 -08002557bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2558 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002559{
2560 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2561 struct rx_bd *cons_bd, *prod_bd;
2562 dma_addr_t mapping;
2563 int i;
Michael Chana1f60192007-12-20 19:57:19 -08002564 u16 hw_prod = bnapi->rx_pg_prod, prod;
2565 u16 cons = bnapi->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002566
2567 for (i = 0; i < count; i++) {
2568 prod = RX_PG_RING_IDX(hw_prod);
2569
2570 prod_rx_pg = &bp->rx_pg_ring[prod];
2571 cons_rx_pg = &bp->rx_pg_ring[cons];
2572 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2573 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2574
2575 if (i == 0 && skb) {
2576 struct page *page;
2577 struct skb_shared_info *shinfo;
2578
2579 shinfo = skb_shinfo(skb);
2580 shinfo->nr_frags--;
2581 page = shinfo->frags[shinfo->nr_frags].page;
2582 shinfo->frags[shinfo->nr_frags].page = NULL;
2583 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2584 PCI_DMA_FROMDEVICE);
2585 cons_rx_pg->page = page;
2586 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2587 dev_kfree_skb(skb);
2588 }
2589 if (prod != cons) {
2590 prod_rx_pg->page = cons_rx_pg->page;
2591 cons_rx_pg->page = NULL;
2592 pci_unmap_addr_set(prod_rx_pg, mapping,
2593 pci_unmap_addr(cons_rx_pg, mapping));
2594
2595 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2596 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2597
2598 }
2599 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2600 hw_prod = NEXT_RX_BD(hw_prod);
2601 }
Michael Chana1f60192007-12-20 19:57:19 -08002602 bnapi->rx_pg_prod = hw_prod;
2603 bnapi->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002604}
2605
Michael Chanb6016b72005-05-26 13:03:09 -07002606static inline void
Michael Chana1f60192007-12-20 19:57:19 -08002607bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002608 u16 cons, u16 prod)
2609{
Michael Chan236b6392006-03-20 17:49:02 -08002610 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2611 struct rx_bd *cons_bd, *prod_bd;
2612
2613 cons_rx_buf = &bp->rx_buf_ring[cons];
2614 prod_rx_buf = &bp->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002615
2616 pci_dma_sync_single_for_device(bp->pdev,
2617 pci_unmap_addr(cons_rx_buf, mapping),
2618 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2619
Michael Chana1f60192007-12-20 19:57:19 -08002620 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002621
2622 prod_rx_buf->skb = skb;
2623
2624 if (cons == prod)
2625 return;
2626
Michael Chanb6016b72005-05-26 13:03:09 -07002627 pci_unmap_addr_set(prod_rx_buf, mapping,
2628 pci_unmap_addr(cons_rx_buf, mapping));
2629
Michael Chan3fdfcc22006-03-20 17:49:49 -08002630 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2631 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002632 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2633 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002634}
2635
Michael Chan85833c62007-12-12 11:17:01 -08002636static int
Michael Chana1f60192007-12-20 19:57:19 -08002637bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2638 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2639 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002640{
2641 int err;
2642 u16 prod = ring_idx & 0xffff;
2643
Michael Chana1f60192007-12-20 19:57:19 -08002644 err = bnx2_alloc_rx_skb(bp, bnapi, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002645 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002646 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002647 if (hdr_len) {
2648 unsigned int raw_len = len + 4;
2649 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2650
Michael Chana1f60192007-12-20 19:57:19 -08002651 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002652 }
Michael Chan85833c62007-12-12 11:17:01 -08002653 return err;
2654 }
2655
2656 skb_reserve(skb, bp->rx_offset);
2657 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2658 PCI_DMA_FROMDEVICE);
2659
Michael Chan1db82f22007-12-12 11:19:35 -08002660 if (hdr_len == 0) {
2661 skb_put(skb, len);
2662 return 0;
2663 } else {
2664 unsigned int i, frag_len, frag_size, pages;
2665 struct sw_pg *rx_pg;
Michael Chana1f60192007-12-20 19:57:19 -08002666 u16 pg_cons = bnapi->rx_pg_cons;
2667 u16 pg_prod = bnapi->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002668
2669 frag_size = len + 4 - hdr_len;
2670 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2671 skb_put(skb, hdr_len);
2672
2673 for (i = 0; i < pages; i++) {
2674 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2675 if (unlikely(frag_len <= 4)) {
2676 unsigned int tail = 4 - frag_len;
2677
Michael Chana1f60192007-12-20 19:57:19 -08002678 bnapi->rx_pg_cons = pg_cons;
2679 bnapi->rx_pg_prod = pg_prod;
2680 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2681 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002682 skb->len -= tail;
2683 if (i == 0) {
2684 skb->tail -= tail;
2685 } else {
2686 skb_frag_t *frag =
2687 &skb_shinfo(skb)->frags[i - 1];
2688 frag->size -= tail;
2689 skb->data_len -= tail;
2690 skb->truesize -= tail;
2691 }
2692 return 0;
2693 }
2694 rx_pg = &bp->rx_pg_ring[pg_cons];
2695
2696 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2697 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2698
2699 if (i == pages - 1)
2700 frag_len -= 4;
2701
2702 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2703 rx_pg->page = NULL;
2704
2705 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2706 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002707 bnapi->rx_pg_cons = pg_cons;
2708 bnapi->rx_pg_prod = pg_prod;
2709 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2710 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002711 return err;
2712 }
2713
2714 frag_size -= frag_len;
2715 skb->data_len += frag_len;
2716 skb->truesize += frag_len;
2717 skb->len += frag_len;
2718
2719 pg_prod = NEXT_RX_BD(pg_prod);
2720 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2721 }
Michael Chana1f60192007-12-20 19:57:19 -08002722 bnapi->rx_pg_prod = pg_prod;
2723 bnapi->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002724 }
Michael Chan85833c62007-12-12 11:17:01 -08002725 return 0;
2726}
2727
Michael Chanc09c2622007-12-10 17:18:37 -08002728static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002729bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002730{
Michael Chan35efa7c2007-12-20 19:56:37 -08002731 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
Michael Chanc09c2622007-12-10 17:18:37 -08002732
2733 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2734 cons++;
2735 return cons;
2736}
2737
Michael Chanb6016b72005-05-26 13:03:09 -07002738static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002739bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002740{
2741 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2742 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002743 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002744
Michael Chan35efa7c2007-12-20 19:56:37 -08002745 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chana1f60192007-12-20 19:57:19 -08002746 sw_cons = bnapi->rx_cons;
2747 sw_prod = bnapi->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002748
2749 /* Memory barrier necessary as speculative reads of the rx
2750 * buffer can be ahead of the index in the status block
2751 */
2752 rmb();
2753 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002754 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002755 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002756 struct sw_bd *rx_buf;
2757 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002758 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002759
2760 sw_ring_cons = RX_RING_IDX(sw_cons);
2761 sw_ring_prod = RX_RING_IDX(sw_prod);
2762
2763 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2764 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002765
2766 rx_buf->skb = NULL;
2767
2768 dma_addr = pci_unmap_addr(rx_buf, mapping);
2769
2770 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Michael Chanb6016b72005-05-26 13:03:09 -07002771 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2772
2773 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002774 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002775
Michael Chanade2bfe2006-01-23 16:09:51 -08002776 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002777 (L2_FHDR_ERRORS_BAD_CRC |
2778 L2_FHDR_ERRORS_PHY_DECODE |
2779 L2_FHDR_ERRORS_ALIGNMENT |
2780 L2_FHDR_ERRORS_TOO_SHORT |
2781 L2_FHDR_ERRORS_GIANT_FRAME)) {
2782
Michael Chana1f60192007-12-20 19:57:19 -08002783 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2784 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002785 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002786 }
Michael Chan1db82f22007-12-12 11:19:35 -08002787 hdr_len = 0;
2788 if (status & L2_FHDR_STATUS_SPLIT) {
2789 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2790 pg_ring_used = 1;
2791 } else if (len > bp->rx_jumbo_thresh) {
2792 hdr_len = bp->rx_jumbo_thresh;
2793 pg_ring_used = 1;
2794 }
2795
2796 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002797
Michael Chan5d5d0012007-12-12 11:17:43 -08002798 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002799 struct sk_buff *new_skb;
2800
Michael Chan932f3772006-08-15 01:39:36 -07002801 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002802 if (new_skb == NULL) {
Michael Chana1f60192007-12-20 19:57:19 -08002803 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002804 sw_ring_prod);
2805 goto next_rx;
2806 }
Michael Chanb6016b72005-05-26 13:03:09 -07002807
2808 /* aligned copy */
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002809 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2810 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002811 skb_reserve(new_skb, 2);
2812 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002813
Michael Chana1f60192007-12-20 19:57:19 -08002814 bnx2_reuse_rx_skb(bp, bnapi, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002815 sw_ring_cons, sw_ring_prod);
2816
2817 skb = new_skb;
Michael Chana1f60192007-12-20 19:57:19 -08002818 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2819 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002820 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002821
2822 skb->protocol = eth_type_trans(skb, bp->dev);
2823
2824 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002825 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002826
Michael Chan745720e2006-06-29 12:37:41 -07002827 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002828 goto next_rx;
2829
2830 }
2831
Michael Chanb6016b72005-05-26 13:03:09 -07002832 skb->ip_summed = CHECKSUM_NONE;
2833 if (bp->rx_csum &&
2834 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2835 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2836
Michael Chanade2bfe2006-01-23 16:09:51 -08002837 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2838 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002839 skb->ip_summed = CHECKSUM_UNNECESSARY;
2840 }
2841
2842#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002843 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002844 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2845 rx_hdr->l2_fhdr_vlan_tag);
2846 }
2847 else
2848#endif
2849 netif_receive_skb(skb);
2850
2851 bp->dev->last_rx = jiffies;
2852 rx_pkt++;
2853
2854next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002855 sw_cons = NEXT_RX_BD(sw_cons);
2856 sw_prod = NEXT_RX_BD(sw_prod);
2857
2858 if ((rx_pkt == budget))
2859 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002860
2861 /* Refresh hw_cons to see if there is new work */
2862 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002863 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002864 rmb();
2865 }
Michael Chanb6016b72005-05-26 13:03:09 -07002866 }
Michael Chana1f60192007-12-20 19:57:19 -08002867 bnapi->rx_cons = sw_cons;
2868 bnapi->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002869
Michael Chan1db82f22007-12-12 11:19:35 -08002870 if (pg_ring_used)
2871 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
Michael Chana1f60192007-12-20 19:57:19 -08002872 bnapi->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002873
Michael Chanb6016b72005-05-26 13:03:09 -07002874 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2875
Michael Chana1f60192007-12-20 19:57:19 -08002876 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002877
2878 mmiowb();
2879
2880 return rx_pkt;
2881
2882}
2883
2884/* MSI ISR - The only difference between this and the INTx ISR
2885 * is that the MSI interrupt is always serviced.
2886 */
2887static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002888bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002889{
2890 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002891 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002892 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chanb6016b72005-05-26 13:03:09 -07002893
Michael Chan35efa7c2007-12-20 19:56:37 -08002894 prefetch(bnapi->status_blk);
Michael Chanb6016b72005-05-26 13:03:09 -07002895 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2896 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2897 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2898
2899 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002900 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2901 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002902
Michael Chan35efa7c2007-12-20 19:56:37 -08002903 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07002904
Michael Chan73eef4c2005-08-25 15:39:15 -07002905 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002906}
2907
2908static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07002909bnx2_msi_1shot(int irq, void *dev_instance)
2910{
2911 struct net_device *dev = dev_instance;
2912 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002913 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan8e6a72c2007-05-03 13:24:48 -07002914
Michael Chan35efa7c2007-12-20 19:56:37 -08002915 prefetch(bnapi->status_blk);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002916
2917 /* Return here if interrupt is disabled. */
2918 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2919 return IRQ_HANDLED;
2920
Michael Chan35efa7c2007-12-20 19:56:37 -08002921 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002922
2923 return IRQ_HANDLED;
2924}
2925
2926static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002927bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002928{
2929 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002930 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002931 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan35efa7c2007-12-20 19:56:37 -08002932 struct status_block *sblk = bnapi->status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -07002933
2934 /* When using INTx, it is possible for the interrupt to arrive
2935 * at the CPU before the status block posted prior to the
2936 * interrupt. Reading a register will flush the status block.
2937 * When using MSI, the MSI message will always complete after
2938 * the status block write.
2939 */
Michael Chan35efa7c2007-12-20 19:56:37 -08002940 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07002941 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2942 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07002943 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07002944
2945 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2946 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2947 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2948
Michael Chanb8a7ce72007-07-07 22:51:03 -07002949 /* Read back to deassert IRQ immediately to avoid too many
2950 * spurious interrupts.
2951 */
2952 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2953
Michael Chanb6016b72005-05-26 13:03:09 -07002954 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002955 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2956 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002957
Michael Chan35efa7c2007-12-20 19:56:37 -08002958 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2959 bnapi->last_status_idx = sblk->status_idx;
2960 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07002961 }
Michael Chanb6016b72005-05-26 13:03:09 -07002962
Michael Chan73eef4c2005-08-25 15:39:15 -07002963 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002964}
2965
Michael Chan57851d82007-12-20 20:01:44 -08002966static irqreturn_t
2967bnx2_tx_msix(int irq, void *dev_instance)
2968{
2969 struct net_device *dev = dev_instance;
2970 struct bnx2 *bp = netdev_priv(dev);
2971 struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2972
2973 prefetch(bnapi->status_blk_msix);
2974
2975 /* Return here if interrupt is disabled. */
2976 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2977 return IRQ_HANDLED;
2978
2979 netif_rx_schedule(dev, &bnapi->napi);
2980 return IRQ_HANDLED;
2981}
2982
Michael Chan0d8a6572007-07-07 22:49:43 -07002983#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2984 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002985
Michael Chanf4e418f2005-11-04 08:53:48 -08002986static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08002987bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08002988{
Michael Chan1097f5e2008-01-21 17:06:41 -08002989 struct status_block *sblk = bnapi->status_blk;
Michael Chanf4e418f2005-11-04 08:53:48 -08002990
Michael Chana1f60192007-12-20 19:57:19 -08002991 if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
Michael Chana550c992007-12-20 19:56:59 -08002992 (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
Michael Chanf4e418f2005-11-04 08:53:48 -08002993 return 1;
2994
Michael Chanda3e4fb2007-05-03 13:24:23 -07002995 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2996 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08002997 return 1;
2998
2999 return 0;
3000}
3001
Michael Chan57851d82007-12-20 20:01:44 -08003002static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3003{
3004 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3005 struct bnx2 *bp = bnapi->bp;
3006 int work_done = 0;
3007 struct status_block_msix *sblk = bnapi->status_blk_msix;
3008
3009 do {
3010 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3011 if (unlikely(work_done >= budget))
3012 return work_done;
3013
3014 bnapi->last_status_idx = sblk->status_idx;
3015 rmb();
3016 } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3017
3018 netif_rx_complete(bp->dev, napi);
3019 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3020 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3021 bnapi->last_status_idx);
3022 return work_done;
3023}
3024
Michael Chan35efa7c2007-12-20 19:56:37 -08003025static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3026 int work_done, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003027{
Michael Chan35efa7c2007-12-20 19:56:37 -08003028 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003029 u32 status_attn_bits = sblk->status_attn_bits;
3030 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003031
Michael Chanda3e4fb2007-05-03 13:24:23 -07003032 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3033 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003034
Michael Chan35efa7c2007-12-20 19:56:37 -08003035 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003036
3037 /* This is needed to take care of transient status
3038 * during link changes.
3039 */
3040 REG_WR(bp, BNX2_HC_COMMAND,
3041 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3042 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003043 }
3044
Michael Chana550c992007-12-20 19:56:59 -08003045 if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003046 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003047
Michael Chana1f60192007-12-20 19:57:19 -08003048 if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003049 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003050
David S. Miller6f535762007-10-11 18:08:29 -07003051 return work_done;
3052}
Michael Chanf4e418f2005-11-04 08:53:48 -08003053
David S. Miller6f535762007-10-11 18:08:29 -07003054static int bnx2_poll(struct napi_struct *napi, int budget)
3055{
Michael Chan35efa7c2007-12-20 19:56:37 -08003056 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3057 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003058 int work_done = 0;
Michael Chan35efa7c2007-12-20 19:56:37 -08003059 struct status_block *sblk = bnapi->status_blk;
David S. Miller6f535762007-10-11 18:08:29 -07003060
3061 while (1) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003062 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003063
3064 if (unlikely(work_done >= budget))
3065 break;
3066
Michael Chan35efa7c2007-12-20 19:56:37 -08003067 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003068 * much work has been processed, so we must read it before
3069 * checking for more work.
3070 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003071 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003072 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003073 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003074 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003075 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003076 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3077 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003078 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003079 break;
David S. Miller6f535762007-10-11 18:08:29 -07003080 }
3081 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3083 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003084 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003085
Michael Chan1269a8a2006-01-23 16:11:03 -08003086 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003088 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003089 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003090 }
Michael Chanb6016b72005-05-26 13:03:09 -07003091 }
3092
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003093 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003094}
3095
Herbert Xu932ff272006-06-09 12:20:56 -07003096/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003097 * from set_multicast.
3098 */
3099static void
3100bnx2_set_rx_mode(struct net_device *dev)
3101{
Michael Chan972ec0d2006-01-23 16:12:43 -08003102 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003103 u32 rx_mode, sort_mode;
3104 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003105
Michael Chanc770a652005-08-25 15:38:39 -07003106 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003107
3108 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3109 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3110 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3111#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003112 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003113 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003114#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003115 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003116 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003117#endif
3118 if (dev->flags & IFF_PROMISC) {
3119 /* Promiscuous mode. */
3120 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003121 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3122 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003123 }
3124 else if (dev->flags & IFF_ALLMULTI) {
3125 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3126 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3127 0xffffffff);
3128 }
3129 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3130 }
3131 else {
3132 /* Accept one or more multicast(s). */
3133 struct dev_mc_list *mclist;
3134 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3135 u32 regidx;
3136 u32 bit;
3137 u32 crc;
3138
3139 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3140
3141 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3142 i++, mclist = mclist->next) {
3143
3144 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3145 bit = crc & 0xff;
3146 regidx = (bit & 0xe0) >> 5;
3147 bit &= 0x1f;
3148 mc_filter[regidx] |= (1 << bit);
3149 }
3150
3151 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3152 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3153 mc_filter[i]);
3154 }
3155
3156 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3157 }
3158
3159 if (rx_mode != bp->rx_mode) {
3160 bp->rx_mode = rx_mode;
3161 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3162 }
3163
3164 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3165 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3166 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3167
Michael Chanc770a652005-08-25 15:38:39 -07003168 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003169}
3170
3171static void
Al Virob491edd2007-12-22 19:44:51 +00003172load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003173 u32 rv2p_proc)
3174{
3175 int i;
3176 u32 val;
3177
3178
3179 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003180 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003181 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003182 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003183 rv2p_code++;
3184
3185 if (rv2p_proc == RV2P_PROC1) {
3186 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3187 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3188 }
3189 else {
3190 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3191 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3192 }
3193 }
3194
3195 /* Reset the processor, un-stall is done later. */
3196 if (rv2p_proc == RV2P_PROC1) {
3197 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3198 }
3199 else {
3200 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3201 }
3202}
3203
Michael Chanaf3ee512006-11-19 14:09:25 -08003204static int
Michael Chanb6016b72005-05-26 13:03:09 -07003205load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3206{
3207 u32 offset;
3208 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003209 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003210
3211 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003212 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003213 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003214 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3215 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003216
3217 /* Load the Text area. */
3218 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003219 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003220 int j;
3221
Michael Chanea1f8d52007-10-02 16:27:35 -07003222 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3223 fw->gz_text_len);
3224 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003225 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003226
Michael Chanb6016b72005-05-26 13:03:09 -07003227 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003228 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003229 }
3230 }
3231
3232 /* Load the Data area. */
3233 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3234 if (fw->data) {
3235 int j;
3236
3237 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003238 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003239 }
3240 }
3241
3242 /* Load the SBSS area. */
3243 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003244 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003245 int j;
3246
3247 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003248 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003249 }
3250 }
3251
3252 /* Load the BSS area. */
3253 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003254 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003255 int j;
3256
3257 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003258 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003259 }
3260 }
3261
3262 /* Load the Read-Only area. */
3263 offset = cpu_reg->spad_base +
3264 (fw->rodata_addr - cpu_reg->mips_view_base);
3265 if (fw->rodata) {
3266 int j;
3267
3268 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003269 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003270 }
3271 }
3272
3273 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003274 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3275 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003276
3277 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003278 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003279 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003280 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3281 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003282
3283 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003284}
3285
Michael Chanfba9fe92006-06-12 22:21:25 -07003286static int
Michael Chanb6016b72005-05-26 13:03:09 -07003287bnx2_init_cpus(struct bnx2 *bp)
3288{
3289 struct cpu_reg cpu_reg;
Michael Chanaf3ee512006-11-19 14:09:25 -08003290 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003291 int rc, rv2p_len;
3292 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003293
3294 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003295 text = vmalloc(FW_BUF_SIZE);
3296 if (!text)
3297 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003298 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3299 rv2p = bnx2_xi_rv2p_proc1;
3300 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3301 } else {
3302 rv2p = bnx2_rv2p_proc1;
3303 rv2p_len = sizeof(bnx2_rv2p_proc1);
3304 }
3305 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003306 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003307 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003308
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003309 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003310
Michael Chan110d0ef2007-12-12 11:18:34 -08003311 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3312 rv2p = bnx2_xi_rv2p_proc2;
3313 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3314 } else {
3315 rv2p = bnx2_rv2p_proc2;
3316 rv2p_len = sizeof(bnx2_rv2p_proc2);
3317 }
3318 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003319 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003320 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003321
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003322 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003323
3324 /* Initialize the RX Processor. */
3325 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3326 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3327 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3328 cpu_reg.state = BNX2_RXP_CPU_STATE;
3329 cpu_reg.state_value_clear = 0xffffff;
3330 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3331 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3332 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3333 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3334 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3335 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3336 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003337
Michael Chand43584c2006-11-19 14:14:35 -08003338 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3339 fw = &bnx2_rxp_fw_09;
3340 else
3341 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003342
Michael Chanea1f8d52007-10-02 16:27:35 -07003343 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003344 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003345 if (rc)
3346 goto init_cpu_err;
3347
Michael Chanb6016b72005-05-26 13:03:09 -07003348 /* Initialize the TX Processor. */
3349 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3350 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3351 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3352 cpu_reg.state = BNX2_TXP_CPU_STATE;
3353 cpu_reg.state_value_clear = 0xffffff;
3354 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3355 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3356 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3357 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3358 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3359 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3360 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003361
Michael Chand43584c2006-11-19 14:14:35 -08003362 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3363 fw = &bnx2_txp_fw_09;
3364 else
3365 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003366
Michael Chanea1f8d52007-10-02 16:27:35 -07003367 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003368 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003369 if (rc)
3370 goto init_cpu_err;
3371
Michael Chanb6016b72005-05-26 13:03:09 -07003372 /* Initialize the TX Patch-up Processor. */
3373 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3374 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3375 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3376 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3377 cpu_reg.state_value_clear = 0xffffff;
3378 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3379 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3380 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3381 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3382 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3383 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3384 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003385
Michael Chand43584c2006-11-19 14:14:35 -08003386 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3387 fw = &bnx2_tpat_fw_09;
3388 else
3389 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003390
Michael Chanea1f8d52007-10-02 16:27:35 -07003391 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003392 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003393 if (rc)
3394 goto init_cpu_err;
3395
Michael Chanb6016b72005-05-26 13:03:09 -07003396 /* Initialize the Completion Processor. */
3397 cpu_reg.mode = BNX2_COM_CPU_MODE;
3398 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3399 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3400 cpu_reg.state = BNX2_COM_CPU_STATE;
3401 cpu_reg.state_value_clear = 0xffffff;
3402 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3403 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3404 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3405 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3406 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3407 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3408 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003409
Michael Chand43584c2006-11-19 14:14:35 -08003410 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3411 fw = &bnx2_com_fw_09;
3412 else
3413 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003414
Michael Chanea1f8d52007-10-02 16:27:35 -07003415 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003416 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003417 if (rc)
3418 goto init_cpu_err;
3419
Michael Chand43584c2006-11-19 14:14:35 -08003420 /* Initialize the Command Processor. */
3421 cpu_reg.mode = BNX2_CP_CPU_MODE;
3422 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3423 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3424 cpu_reg.state = BNX2_CP_CPU_STATE;
3425 cpu_reg.state_value_clear = 0xffffff;
3426 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3427 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3428 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3429 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3430 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3431 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3432 cpu_reg.mips_view_base = 0x8000000;
Michael Chanb6016b72005-05-26 13:03:09 -07003433
Michael Chan110d0ef2007-12-12 11:18:34 -08003434 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003435 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003436 else
3437 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003438
Michael Chan110d0ef2007-12-12 11:18:34 -08003439 fw->text = text;
3440 rc = load_cpu_fw(bp, &cpu_reg, fw);
3441
Michael Chanfba9fe92006-06-12 22:21:25 -07003442init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003443 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003444 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003445}
3446
3447static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003448bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003449{
3450 u16 pmcsr;
3451
3452 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3453
3454 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003455 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003456 u32 val;
3457
3458 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3459 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3460 PCI_PM_CTRL_PME_STATUS);
3461
3462 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3463 /* delay required during transition out of D3hot */
3464 msleep(20);
3465
3466 val = REG_RD(bp, BNX2_EMAC_MODE);
3467 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3468 val &= ~BNX2_EMAC_MODE_MPKT;
3469 REG_WR(bp, BNX2_EMAC_MODE, val);
3470
3471 val = REG_RD(bp, BNX2_RPM_CONFIG);
3472 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3473 REG_WR(bp, BNX2_RPM_CONFIG, val);
3474 break;
3475 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003476 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003477 int i;
3478 u32 val, wol_msg;
3479
3480 if (bp->wol) {
3481 u32 advertising;
3482 u8 autoneg;
3483
3484 autoneg = bp->autoneg;
3485 advertising = bp->advertising;
3486
Michael Chan239cd342007-10-17 19:26:15 -07003487 if (bp->phy_port == PORT_TP) {
3488 bp->autoneg = AUTONEG_SPEED;
3489 bp->advertising = ADVERTISED_10baseT_Half |
3490 ADVERTISED_10baseT_Full |
3491 ADVERTISED_100baseT_Half |
3492 ADVERTISED_100baseT_Full |
3493 ADVERTISED_Autoneg;
3494 }
Michael Chanb6016b72005-05-26 13:03:09 -07003495
Michael Chan239cd342007-10-17 19:26:15 -07003496 spin_lock_bh(&bp->phy_lock);
3497 bnx2_setup_phy(bp, bp->phy_port);
3498 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003499
3500 bp->autoneg = autoneg;
3501 bp->advertising = advertising;
3502
3503 bnx2_set_mac_addr(bp);
3504
3505 val = REG_RD(bp, BNX2_EMAC_MODE);
3506
3507 /* Enable port mode. */
3508 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003509 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003510 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003511 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003512 if (bp->phy_port == PORT_TP)
3513 val |= BNX2_EMAC_MODE_PORT_MII;
3514 else {
3515 val |= BNX2_EMAC_MODE_PORT_GMII;
3516 if (bp->line_speed == SPEED_2500)
3517 val |= BNX2_EMAC_MODE_25G_MODE;
3518 }
Michael Chanb6016b72005-05-26 13:03:09 -07003519
3520 REG_WR(bp, BNX2_EMAC_MODE, val);
3521
3522 /* receive all multicast */
3523 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3524 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3525 0xffffffff);
3526 }
3527 REG_WR(bp, BNX2_EMAC_RX_MODE,
3528 BNX2_EMAC_RX_MODE_SORT_MODE);
3529
3530 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3531 BNX2_RPM_SORT_USER0_MC_EN;
3532 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3533 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3534 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3535 BNX2_RPM_SORT_USER0_ENA);
3536
3537 /* Need to enable EMAC and RPM for WOL. */
3538 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3539 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3540 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3541 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3542
3543 val = REG_RD(bp, BNX2_RPM_CONFIG);
3544 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3545 REG_WR(bp, BNX2_RPM_CONFIG, val);
3546
3547 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3548 }
3549 else {
3550 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3551 }
3552
David S. Millerf86e82f2008-01-21 17:15:40 -08003553 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003554 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003555
3556 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3557 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3558 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3559
3560 if (bp->wol)
3561 pmcsr |= 3;
3562 }
3563 else {
3564 pmcsr |= 3;
3565 }
3566 if (bp->wol) {
3567 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3568 }
3569 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3570 pmcsr);
3571
3572 /* No more memory access after this point until
3573 * device is brought back to D0.
3574 */
3575 udelay(50);
3576 break;
3577 }
3578 default:
3579 return -EINVAL;
3580 }
3581 return 0;
3582}
3583
3584static int
3585bnx2_acquire_nvram_lock(struct bnx2 *bp)
3586{
3587 u32 val;
3588 int j;
3589
3590 /* Request access to the flash interface. */
3591 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3592 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3593 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3594 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3595 break;
3596
3597 udelay(5);
3598 }
3599
3600 if (j >= NVRAM_TIMEOUT_COUNT)
3601 return -EBUSY;
3602
3603 return 0;
3604}
3605
3606static int
3607bnx2_release_nvram_lock(struct bnx2 *bp)
3608{
3609 int j;
3610 u32 val;
3611
3612 /* Relinquish nvram interface. */
3613 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3614
3615 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3616 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3617 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3618 break;
3619
3620 udelay(5);
3621 }
3622
3623 if (j >= NVRAM_TIMEOUT_COUNT)
3624 return -EBUSY;
3625
3626 return 0;
3627}
3628
3629
3630static int
3631bnx2_enable_nvram_write(struct bnx2 *bp)
3632{
3633 u32 val;
3634
3635 val = REG_RD(bp, BNX2_MISC_CFG);
3636 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3637
Michael Chane30372c2007-07-16 18:26:23 -07003638 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003639 int j;
3640
3641 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3642 REG_WR(bp, BNX2_NVM_COMMAND,
3643 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3644
3645 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3646 udelay(5);
3647
3648 val = REG_RD(bp, BNX2_NVM_COMMAND);
3649 if (val & BNX2_NVM_COMMAND_DONE)
3650 break;
3651 }
3652
3653 if (j >= NVRAM_TIMEOUT_COUNT)
3654 return -EBUSY;
3655 }
3656 return 0;
3657}
3658
3659static void
3660bnx2_disable_nvram_write(struct bnx2 *bp)
3661{
3662 u32 val;
3663
3664 val = REG_RD(bp, BNX2_MISC_CFG);
3665 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3666}
3667
3668
3669static void
3670bnx2_enable_nvram_access(struct bnx2 *bp)
3671{
3672 u32 val;
3673
3674 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3675 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003676 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003677 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3678}
3679
3680static void
3681bnx2_disable_nvram_access(struct bnx2 *bp)
3682{
3683 u32 val;
3684
3685 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3686 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003687 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003688 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3689 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3690}
3691
3692static int
3693bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3694{
3695 u32 cmd;
3696 int j;
3697
Michael Chane30372c2007-07-16 18:26:23 -07003698 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003699 /* Buffered flash, no erase needed */
3700 return 0;
3701
3702 /* Build an erase command */
3703 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3704 BNX2_NVM_COMMAND_DOIT;
3705
3706 /* Need to clear DONE bit separately. */
3707 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3708
3709 /* Address of the NVRAM to read from. */
3710 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3711
3712 /* Issue an erase command. */
3713 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3714
3715 /* Wait for completion. */
3716 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3717 u32 val;
3718
3719 udelay(5);
3720
3721 val = REG_RD(bp, BNX2_NVM_COMMAND);
3722 if (val & BNX2_NVM_COMMAND_DONE)
3723 break;
3724 }
3725
3726 if (j >= NVRAM_TIMEOUT_COUNT)
3727 return -EBUSY;
3728
3729 return 0;
3730}
3731
3732static int
3733bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3734{
3735 u32 cmd;
3736 int j;
3737
3738 /* Build the command word. */
3739 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3740
Michael Chane30372c2007-07-16 18:26:23 -07003741 /* Calculate an offset of a buffered flash, not needed for 5709. */
3742 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003743 offset = ((offset / bp->flash_info->page_size) <<
3744 bp->flash_info->page_bits) +
3745 (offset % bp->flash_info->page_size);
3746 }
3747
3748 /* Need to clear DONE bit separately. */
3749 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3750
3751 /* Address of the NVRAM to read from. */
3752 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3753
3754 /* Issue a read command. */
3755 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3756
3757 /* Wait for completion. */
3758 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3759 u32 val;
3760
3761 udelay(5);
3762
3763 val = REG_RD(bp, BNX2_NVM_COMMAND);
3764 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003765 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3766 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003767 break;
3768 }
3769 }
3770 if (j >= NVRAM_TIMEOUT_COUNT)
3771 return -EBUSY;
3772
3773 return 0;
3774}
3775
3776
3777static int
3778bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3779{
Al Virob491edd2007-12-22 19:44:51 +00003780 u32 cmd;
3781 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003782 int j;
3783
3784 /* Build the command word. */
3785 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3786
Michael Chane30372c2007-07-16 18:26:23 -07003787 /* Calculate an offset of a buffered flash, not needed for 5709. */
3788 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003789 offset = ((offset / bp->flash_info->page_size) <<
3790 bp->flash_info->page_bits) +
3791 (offset % bp->flash_info->page_size);
3792 }
3793
3794 /* Need to clear DONE bit separately. */
3795 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3796
3797 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003798
3799 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003800 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003801
3802 /* Address of the NVRAM to write to. */
3803 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3804
3805 /* Issue the write command. */
3806 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3807
3808 /* Wait for completion. */
3809 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3810 udelay(5);
3811
3812 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3813 break;
3814 }
3815 if (j >= NVRAM_TIMEOUT_COUNT)
3816 return -EBUSY;
3817
3818 return 0;
3819}
3820
3821static int
3822bnx2_init_nvram(struct bnx2 *bp)
3823{
3824 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003825 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003826 struct flash_spec *flash;
3827
Michael Chane30372c2007-07-16 18:26:23 -07003828 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3829 bp->flash_info = &flash_5709;
3830 goto get_flash_size;
3831 }
3832
Michael Chanb6016b72005-05-26 13:03:09 -07003833 /* Determine the selected interface. */
3834 val = REG_RD(bp, BNX2_NVM_CFG1);
3835
Denis Chengff8ac602007-09-02 18:30:18 +08003836 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003837
Michael Chanb6016b72005-05-26 13:03:09 -07003838 if (val & 0x40000000) {
3839
3840 /* Flash interface has been reconfigured */
3841 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003842 j++, flash++) {
3843 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3844 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003845 bp->flash_info = flash;
3846 break;
3847 }
3848 }
3849 }
3850 else {
Michael Chan37137702005-11-04 08:49:17 -08003851 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003852 /* Not yet been reconfigured */
3853
Michael Chan37137702005-11-04 08:49:17 -08003854 if (val & (1 << 23))
3855 mask = FLASH_BACKUP_STRAP_MASK;
3856 else
3857 mask = FLASH_STRAP_MASK;
3858
Michael Chanb6016b72005-05-26 13:03:09 -07003859 for (j = 0, flash = &flash_table[0]; j < entry_count;
3860 j++, flash++) {
3861
Michael Chan37137702005-11-04 08:49:17 -08003862 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003863 bp->flash_info = flash;
3864
3865 /* Request access to the flash interface. */
3866 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3867 return rc;
3868
3869 /* Enable access to flash interface */
3870 bnx2_enable_nvram_access(bp);
3871
3872 /* Reconfigure the flash interface */
3873 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3874 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3875 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3876 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3877
3878 /* Disable access to flash interface */
3879 bnx2_disable_nvram_access(bp);
3880 bnx2_release_nvram_lock(bp);
3881
3882 break;
3883 }
3884 }
3885 } /* if (val & 0x40000000) */
3886
3887 if (j == entry_count) {
3888 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003889 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003890 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003891 }
3892
Michael Chane30372c2007-07-16 18:26:23 -07003893get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003894 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003895 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3896 if (val)
3897 bp->flash_size = val;
3898 else
3899 bp->flash_size = bp->flash_info->total_size;
3900
Michael Chanb6016b72005-05-26 13:03:09 -07003901 return rc;
3902}
3903
3904static int
3905bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3906 int buf_size)
3907{
3908 int rc = 0;
3909 u32 cmd_flags, offset32, len32, extra;
3910
3911 if (buf_size == 0)
3912 return 0;
3913
3914 /* Request access to the flash interface. */
3915 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3916 return rc;
3917
3918 /* Enable access to flash interface */
3919 bnx2_enable_nvram_access(bp);
3920
3921 len32 = buf_size;
3922 offset32 = offset;
3923 extra = 0;
3924
3925 cmd_flags = 0;
3926
3927 if (offset32 & 3) {
3928 u8 buf[4];
3929 u32 pre_len;
3930
3931 offset32 &= ~3;
3932 pre_len = 4 - (offset & 3);
3933
3934 if (pre_len >= len32) {
3935 pre_len = len32;
3936 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3937 BNX2_NVM_COMMAND_LAST;
3938 }
3939 else {
3940 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3941 }
3942
3943 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3944
3945 if (rc)
3946 return rc;
3947
3948 memcpy(ret_buf, buf + (offset & 3), pre_len);
3949
3950 offset32 += 4;
3951 ret_buf += pre_len;
3952 len32 -= pre_len;
3953 }
3954 if (len32 & 3) {
3955 extra = 4 - (len32 & 3);
3956 len32 = (len32 + 4) & ~3;
3957 }
3958
3959 if (len32 == 4) {
3960 u8 buf[4];
3961
3962 if (cmd_flags)
3963 cmd_flags = BNX2_NVM_COMMAND_LAST;
3964 else
3965 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3966 BNX2_NVM_COMMAND_LAST;
3967
3968 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3969
3970 memcpy(ret_buf, buf, 4 - extra);
3971 }
3972 else if (len32 > 0) {
3973 u8 buf[4];
3974
3975 /* Read the first word. */
3976 if (cmd_flags)
3977 cmd_flags = 0;
3978 else
3979 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3980
3981 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3982
3983 /* Advance to the next dword. */
3984 offset32 += 4;
3985 ret_buf += 4;
3986 len32 -= 4;
3987
3988 while (len32 > 4 && rc == 0) {
3989 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3990
3991 /* Advance to the next dword. */
3992 offset32 += 4;
3993 ret_buf += 4;
3994 len32 -= 4;
3995 }
3996
3997 if (rc)
3998 return rc;
3999
4000 cmd_flags = BNX2_NVM_COMMAND_LAST;
4001 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4002
4003 memcpy(ret_buf, buf, 4 - extra);
4004 }
4005
4006 /* Disable access to flash interface */
4007 bnx2_disable_nvram_access(bp);
4008
4009 bnx2_release_nvram_lock(bp);
4010
4011 return rc;
4012}
4013
4014static int
4015bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4016 int buf_size)
4017{
4018 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004019 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004020 int rc = 0;
4021 int align_start, align_end;
4022
4023 buf = data_buf;
4024 offset32 = offset;
4025 len32 = buf_size;
4026 align_start = align_end = 0;
4027
4028 if ((align_start = (offset32 & 3))) {
4029 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004030 len32 += align_start;
4031 if (len32 < 4)
4032 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004033 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4034 return rc;
4035 }
4036
4037 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004038 align_end = 4 - (len32 & 3);
4039 len32 += align_end;
4040 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4041 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004042 }
4043
4044 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004045 align_buf = kmalloc(len32, GFP_KERNEL);
4046 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004047 return -ENOMEM;
4048 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004049 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004050 }
4051 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004052 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004053 }
Michael Chane6be7632007-01-08 19:56:13 -08004054 memcpy(align_buf + align_start, data_buf, buf_size);
4055 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004056 }
4057
Michael Chane30372c2007-07-16 18:26:23 -07004058 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004059 flash_buffer = kmalloc(264, GFP_KERNEL);
4060 if (flash_buffer == NULL) {
4061 rc = -ENOMEM;
4062 goto nvram_write_end;
4063 }
4064 }
4065
Michael Chanb6016b72005-05-26 13:03:09 -07004066 written = 0;
4067 while ((written < len32) && (rc == 0)) {
4068 u32 page_start, page_end, data_start, data_end;
4069 u32 addr, cmd_flags;
4070 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004071
4072 /* Find the page_start addr */
4073 page_start = offset32 + written;
4074 page_start -= (page_start % bp->flash_info->page_size);
4075 /* Find the page_end addr */
4076 page_end = page_start + bp->flash_info->page_size;
4077 /* Find the data_start addr */
4078 data_start = (written == 0) ? offset32 : page_start;
4079 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004080 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004081 (offset32 + len32) : page_end;
4082
4083 /* Request access to the flash interface. */
4084 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4085 goto nvram_write_end;
4086
4087 /* Enable access to flash interface */
4088 bnx2_enable_nvram_access(bp);
4089
4090 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004091 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004092 int j;
4093
4094 /* Read the whole page into the buffer
4095 * (non-buffer flash only) */
4096 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4097 if (j == (bp->flash_info->page_size - 4)) {
4098 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4099 }
4100 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004101 page_start + j,
4102 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004103 cmd_flags);
4104
4105 if (rc)
4106 goto nvram_write_end;
4107
4108 cmd_flags = 0;
4109 }
4110 }
4111
4112 /* Enable writes to flash interface (unlock write-protect) */
4113 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4114 goto nvram_write_end;
4115
Michael Chanb6016b72005-05-26 13:03:09 -07004116 /* Loop to write back the buffer data from page_start to
4117 * data_start */
4118 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004119 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004120 /* Erase the page */
4121 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4122 goto nvram_write_end;
4123
4124 /* Re-enable the write again for the actual write */
4125 bnx2_enable_nvram_write(bp);
4126
Michael Chanb6016b72005-05-26 13:03:09 -07004127 for (addr = page_start; addr < data_start;
4128 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004129
Michael Chanb6016b72005-05-26 13:03:09 -07004130 rc = bnx2_nvram_write_dword(bp, addr,
4131 &flash_buffer[i], cmd_flags);
4132
4133 if (rc != 0)
4134 goto nvram_write_end;
4135
4136 cmd_flags = 0;
4137 }
4138 }
4139
4140 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004141 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004142 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004143 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004144 (addr == data_end - 4))) {
4145
4146 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4147 }
4148 rc = bnx2_nvram_write_dword(bp, addr, buf,
4149 cmd_flags);
4150
4151 if (rc != 0)
4152 goto nvram_write_end;
4153
4154 cmd_flags = 0;
4155 buf += 4;
4156 }
4157
4158 /* Loop to write back the buffer data from data_end
4159 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004160 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004161 for (addr = data_end; addr < page_end;
4162 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004163
Michael Chanb6016b72005-05-26 13:03:09 -07004164 if (addr == page_end-4) {
4165 cmd_flags = BNX2_NVM_COMMAND_LAST;
4166 }
4167 rc = bnx2_nvram_write_dword(bp, addr,
4168 &flash_buffer[i], cmd_flags);
4169
4170 if (rc != 0)
4171 goto nvram_write_end;
4172
4173 cmd_flags = 0;
4174 }
4175 }
4176
4177 /* Disable writes to flash interface (lock write-protect) */
4178 bnx2_disable_nvram_write(bp);
4179
4180 /* Disable access to flash interface */
4181 bnx2_disable_nvram_access(bp);
4182 bnx2_release_nvram_lock(bp);
4183
4184 /* Increment written */
4185 written += data_end - data_start;
4186 }
4187
4188nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004189 kfree(flash_buffer);
4190 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004191 return rc;
4192}
4193
Michael Chan0d8a6572007-07-07 22:49:43 -07004194static void
4195bnx2_init_remote_phy(struct bnx2 *bp)
4196{
4197 u32 val;
4198
Michael Chan583c28e2008-01-21 19:51:35 -08004199 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4200 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004201 return;
4202
Michael Chan2726d6e2008-01-29 21:35:05 -08004203 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004204 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4205 return;
4206
4207 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004208 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004209
Michael Chan2726d6e2008-01-29 21:35:05 -08004210 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004211 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4212 bp->phy_port = PORT_FIBRE;
4213 else
4214 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004215
4216 if (netif_running(bp->dev)) {
4217 u32 sig;
4218
Michael Chan489310a2007-10-10 16:16:31 -07004219 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4220 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004221 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004222 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004223 }
4224}
4225
Michael Chanb4b36042007-12-20 19:59:30 -08004226static void
4227bnx2_setup_msix_tbl(struct bnx2 *bp)
4228{
4229 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4230
4231 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4232 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4233}
4234
Michael Chanb6016b72005-05-26 13:03:09 -07004235static int
4236bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4237{
4238 u32 val;
4239 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004240 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004241
4242 /* Wait for the current PCI transaction to complete before
4243 * issuing a reset. */
4244 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4245 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4246 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4247 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4248 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4249 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4250 udelay(5);
4251
Michael Chanb090ae22006-01-23 16:07:10 -08004252 /* Wait for the firmware to tell us it is ok to issue a reset. */
4253 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4254
Michael Chanb6016b72005-05-26 13:03:09 -07004255 /* Deposit a driver reset signature so the firmware knows that
4256 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004257 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4258 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004259
Michael Chanb6016b72005-05-26 13:03:09 -07004260 /* Do a dummy read to force the chip to complete all current transaction
4261 * before we issue a reset. */
4262 val = REG_RD(bp, BNX2_MISC_ID);
4263
Michael Chan234754d2006-11-19 14:11:41 -08004264 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4265 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4266 REG_RD(bp, BNX2_MISC_COMMAND);
4267 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004268
Michael Chan234754d2006-11-19 14:11:41 -08004269 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4270 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004271
Michael Chan234754d2006-11-19 14:11:41 -08004272 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004273
Michael Chan234754d2006-11-19 14:11:41 -08004274 } else {
4275 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4276 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4277 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4278
4279 /* Chip reset. */
4280 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4281
Michael Chan594a9df2007-08-28 15:39:42 -07004282 /* Reading back any register after chip reset will hang the
4283 * bus on 5706 A0 and A1. The msleep below provides plenty
4284 * of margin for write posting.
4285 */
Michael Chan234754d2006-11-19 14:11:41 -08004286 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004287 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4288 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004289
Michael Chan234754d2006-11-19 14:11:41 -08004290 /* Reset takes approximate 30 usec */
4291 for (i = 0; i < 10; i++) {
4292 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4293 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4294 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4295 break;
4296 udelay(10);
4297 }
4298
4299 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4300 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4301 printk(KERN_ERR PFX "Chip reset did not complete\n");
4302 return -EBUSY;
4303 }
Michael Chanb6016b72005-05-26 13:03:09 -07004304 }
4305
4306 /* Make sure byte swapping is properly configured. */
4307 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4308 if (val != 0x01020304) {
4309 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4310 return -ENODEV;
4311 }
4312
Michael Chanb6016b72005-05-26 13:03:09 -07004313 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004314 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4315 if (rc)
4316 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004317
Michael Chan0d8a6572007-07-07 22:49:43 -07004318 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004319 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004320 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004321 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4322 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004323 bnx2_set_default_remote_link(bp);
4324 spin_unlock_bh(&bp->phy_lock);
4325
Michael Chanb6016b72005-05-26 13:03:09 -07004326 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4327 /* Adjust the voltage regular to two steps lower. The default
4328 * of this register is 0x0000000e. */
4329 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4330
4331 /* Remove bad rbuf memory from the free pool. */
4332 rc = bnx2_alloc_bad_rbuf(bp);
4333 }
4334
David S. Millerf86e82f2008-01-21 17:15:40 -08004335 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004336 bnx2_setup_msix_tbl(bp);
4337
Michael Chanb6016b72005-05-26 13:03:09 -07004338 return rc;
4339}
4340
4341static int
4342bnx2_init_chip(struct bnx2 *bp)
4343{
4344 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004345 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004346
4347 /* Make sure the interrupt is not active. */
4348 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4349
4350 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4351 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4352#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004353 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004354#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004355 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004356 DMA_READ_CHANS << 12 |
4357 DMA_WRITE_CHANS << 16;
4358
4359 val |= (0x2 << 20) | (1 << 11);
4360
David S. Millerf86e82f2008-01-21 17:15:40 -08004361 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004362 val |= (1 << 23);
4363
4364 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004365 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004366 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4367
4368 REG_WR(bp, BNX2_DMA_CONFIG, val);
4369
4370 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4371 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4372 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4373 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4374 }
4375
David S. Millerf86e82f2008-01-21 17:15:40 -08004376 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004377 u16 val16;
4378
4379 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4380 &val16);
4381 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4382 val16 & ~PCI_X_CMD_ERO);
4383 }
4384
4385 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4386 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4387 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4388 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4389
4390 /* Initialize context mapping and zero out the quick contexts. The
4391 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004392 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4393 rc = bnx2_init_5709_context(bp);
4394 if (rc)
4395 return rc;
4396 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004397 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004398
Michael Chanfba9fe92006-06-12 22:21:25 -07004399 if ((rc = bnx2_init_cpus(bp)) != 0)
4400 return rc;
4401
Michael Chanb6016b72005-05-26 13:03:09 -07004402 bnx2_init_nvram(bp);
4403
4404 bnx2_set_mac_addr(bp);
4405
4406 val = REG_RD(bp, BNX2_MQ_CONFIG);
4407 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4408 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004409 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4410 val |= BNX2_MQ_CONFIG_HALT_DIS;
4411
Michael Chanb6016b72005-05-26 13:03:09 -07004412 REG_WR(bp, BNX2_MQ_CONFIG, val);
4413
4414 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4415 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4416 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4417
4418 val = (BCM_PAGE_BITS - 8) << 24;
4419 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4420
4421 /* Configure page size. */
4422 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4423 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4424 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4425 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4426
4427 val = bp->mac_addr[0] +
4428 (bp->mac_addr[1] << 8) +
4429 (bp->mac_addr[2] << 16) +
4430 bp->mac_addr[3] +
4431 (bp->mac_addr[4] << 8) +
4432 (bp->mac_addr[5] << 16);
4433 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4434
4435 /* Program the MTU. Also include 4 bytes for CRC32. */
4436 val = bp->dev->mtu + ETH_HLEN + 4;
4437 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4438 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4439 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4440
Michael Chanb4b36042007-12-20 19:59:30 -08004441 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4442 bp->bnx2_napi[i].last_status_idx = 0;
4443
Michael Chanb6016b72005-05-26 13:03:09 -07004444 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4445
4446 /* Set up how to generate a link change interrupt. */
4447 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4448
4449 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4450 (u64) bp->status_blk_mapping & 0xffffffff);
4451 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4452
4453 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4454 (u64) bp->stats_blk_mapping & 0xffffffff);
4455 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4456 (u64) bp->stats_blk_mapping >> 32);
4457
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004458 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004459 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4460
4461 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4462 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4463
4464 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4465 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4466
4467 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4468
4469 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4470
4471 REG_WR(bp, BNX2_HC_COM_TICKS,
4472 (bp->com_ticks_int << 16) | bp->com_ticks);
4473
4474 REG_WR(bp, BNX2_HC_CMD_TICKS,
4475 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4476
Michael Chan02537b062007-06-04 21:24:07 -07004477 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4478 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4479 else
Michael Chan7ea69202007-07-16 18:27:10 -07004480 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004481 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4482
4483 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004484 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004485 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004486 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4487 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004488 }
4489
David S. Millerf86e82f2008-01-21 17:15:40 -08004490 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chan6f743ca2008-01-29 21:34:08 -08004491 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4492 BNX2_HC_SB_CONFIG_1;
4493
Michael Chanc76c0472007-12-20 20:01:19 -08004494 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4495 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4496
Michael Chan6f743ca2008-01-29 21:34:08 -08004497 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004498 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4499 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4500
Michael Chan6f743ca2008-01-29 21:34:08 -08004501 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004502 (bp->tx_quick_cons_trip_int << 16) |
4503 bp->tx_quick_cons_trip);
4504
Michael Chan6f743ca2008-01-29 21:34:08 -08004505 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004506 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4507
4508 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4509 }
4510
David S. Millerf86e82f2008-01-21 17:15:40 -08004511 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004512 val |= BNX2_HC_CONFIG_ONE_SHOT;
4513
4514 REG_WR(bp, BNX2_HC_CONFIG, val);
4515
Michael Chanb6016b72005-05-26 13:03:09 -07004516 /* Clear internal stats counters. */
4517 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4518
Michael Chanda3e4fb2007-05-03 13:24:23 -07004519 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004520
4521 /* Initialize the receive filter. */
4522 bnx2_set_rx_mode(bp->dev);
4523
Michael Chan0aa38df2007-06-04 21:23:06 -07004524 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4525 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4526 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4527 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4528 }
Michael Chanb090ae22006-01-23 16:07:10 -08004529 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4530 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004531
Michael Chandf149d72007-07-07 22:51:36 -07004532 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004533 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4534
4535 udelay(20);
4536
Michael Chanbf5295b2006-03-23 01:11:56 -08004537 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4538
Michael Chanb090ae22006-01-23 16:07:10 -08004539 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004540}
4541
Michael Chan59b47d82006-11-19 14:10:45 -08004542static void
Michael Chanc76c0472007-12-20 20:01:19 -08004543bnx2_clear_ring_states(struct bnx2 *bp)
4544{
4545 struct bnx2_napi *bnapi;
4546 int i;
4547
4548 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4549 bnapi = &bp->bnx2_napi[i];
4550
4551 bnapi->tx_cons = 0;
4552 bnapi->hw_tx_cons = 0;
4553 bnapi->rx_prod_bseq = 0;
4554 bnapi->rx_prod = 0;
4555 bnapi->rx_cons = 0;
4556 bnapi->rx_pg_prod = 0;
4557 bnapi->rx_pg_cons = 0;
4558 }
4559}
4560
4561static void
Michael Chan59b47d82006-11-19 14:10:45 -08004562bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4563{
4564 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004565 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004566
4567 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4568 offset0 = BNX2_L2CTX_TYPE_XI;
4569 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4570 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4571 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4572 } else {
4573 offset0 = BNX2_L2CTX_TYPE;
4574 offset1 = BNX2_L2CTX_CMD_TYPE;
4575 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4576 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4577 }
4578 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004579 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004580
4581 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004582 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004583
4584 val = (u64) bp->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004585 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004586
4587 val = (u64) bp->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004588 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004589}
Michael Chanb6016b72005-05-26 13:03:09 -07004590
4591static void
4592bnx2_init_tx_ring(struct bnx2 *bp)
4593{
4594 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004595 u32 cid = TX_CID;
4596 struct bnx2_napi *bnapi;
4597
4598 bp->tx_vec = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004599 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004600 cid = TX_TSS_CID;
4601 bp->tx_vec = BNX2_TX_VEC;
4602 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4603 (TX_TSS_CID << 7));
4604 }
4605 bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07004606
Michael Chan2f8af122006-08-15 01:39:10 -07004607 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4608
Michael Chanb6016b72005-05-26 13:03:09 -07004609 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004610
Michael Chanb6016b72005-05-26 13:03:09 -07004611 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4612 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4613
4614 bp->tx_prod = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004615 bp->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004616
Michael Chan59b47d82006-11-19 14:10:45 -08004617 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4618 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004619
Michael Chan59b47d82006-11-19 14:10:45 -08004620 bnx2_init_tx_context(bp, cid);
Michael Chanb6016b72005-05-26 13:03:09 -07004621}
4622
4623static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004624bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4625 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004626{
Michael Chanb6016b72005-05-26 13:03:09 -07004627 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004628 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004629
Michael Chan5d5d0012007-12-12 11:17:43 -08004630 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004631 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004632
Michael Chan5d5d0012007-12-12 11:17:43 -08004633 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004634 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004635 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004636 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4637 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004638 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004639 j = 0;
4640 else
4641 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004642 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4643 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004644 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004645}
4646
4647static void
4648bnx2_init_rx_ring(struct bnx2 *bp)
4649{
4650 int i;
4651 u16 prod, ring_prod;
4652 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
Michael Chanb4b36042007-12-20 19:59:30 -08004653 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan5d5d0012007-12-12 11:17:43 -08004654
Michael Chan5d5d0012007-12-12 11:17:43 -08004655 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4656 bp->rx_buf_use_size, bp->rx_max_ring);
4657
Michael Chan83e3fc82008-01-29 21:37:17 -08004658 bnx2_init_rx_context0(bp);
4659
4660 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4661 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4662 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4663 }
4664
Michael Chan62a83132008-01-29 21:35:40 -08004665 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004666 if (bp->rx_pg_ring_size) {
4667 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4668 bp->rx_pg_desc_mapping,
4669 PAGE_SIZE, bp->rx_max_pg_ring);
4670 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004671 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4672 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan47bf4242007-12-12 11:19:12 -08004673 BNX2_L2CTX_RBDC_JUMBO_KEY);
4674
4675 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004676 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004677
4678 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004679 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004680
4681 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4682 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4683 }
Michael Chanb6016b72005-05-26 13:03:09 -07004684
Michael Chan13daffa2006-03-20 17:49:20 -08004685 val = (u64) bp->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004686 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004687
Michael Chan13daffa2006-03-20 17:49:20 -08004688 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004689 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004690
Michael Chana1f60192007-12-20 19:57:19 -08004691 ring_prod = prod = bnapi->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004692 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4693 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4694 break;
4695 prod = NEXT_RX_BD(prod);
4696 ring_prod = RX_PG_RING_IDX(prod);
4697 }
Michael Chana1f60192007-12-20 19:57:19 -08004698 bnapi->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004699
Michael Chana1f60192007-12-20 19:57:19 -08004700 ring_prod = prod = bnapi->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004701 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chana1f60192007-12-20 19:57:19 -08004702 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004703 break;
4704 }
4705 prod = NEXT_RX_BD(prod);
4706 ring_prod = RX_RING_IDX(prod);
4707 }
Michael Chana1f60192007-12-20 19:57:19 -08004708 bnapi->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004709
Michael Chana1f60192007-12-20 19:57:19 -08004710 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4711 bnapi->rx_pg_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07004712 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4713
Michael Chana1f60192007-12-20 19:57:19 -08004714 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004715}
4716
Michael Chan5d5d0012007-12-12 11:17:43 -08004717static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004718{
Michael Chan5d5d0012007-12-12 11:17:43 -08004719 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004720
Michael Chan5d5d0012007-12-12 11:17:43 -08004721 while (ring_size > MAX_RX_DESC_CNT) {
4722 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004723 num_rings++;
4724 }
4725 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004726 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004727 while ((max & num_rings) == 0)
4728 max >>= 1;
4729
4730 if (num_rings != max)
4731 max <<= 1;
4732
Michael Chan5d5d0012007-12-12 11:17:43 -08004733 return max;
4734}
4735
4736static void
4737bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4738{
Michael Chan84eaa182007-12-12 11:19:57 -08004739 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004740
4741 /* 8 for CRC and VLAN */
4742 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4743
Michael Chan84eaa182007-12-12 11:19:57 -08004744 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4745 sizeof(struct skb_shared_info);
4746
Michael Chan5d5d0012007-12-12 11:17:43 -08004747 bp->rx_copy_thresh = RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004748 bp->rx_pg_ring_size = 0;
4749 bp->rx_max_pg_ring = 0;
4750 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004751 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004752 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4753
4754 jumbo_size = size * pages;
4755 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4756 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4757
4758 bp->rx_pg_ring_size = jumbo_size;
4759 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4760 MAX_RX_PG_RINGS);
4761 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4762 rx_size = RX_COPY_THRESH + bp->rx_offset;
4763 bp->rx_copy_thresh = 0;
4764 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004765
4766 bp->rx_buf_use_size = rx_size;
4767 /* hw alignment */
4768 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Michael Chan1db82f22007-12-12 11:19:35 -08004769 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
Michael Chan5d5d0012007-12-12 11:17:43 -08004770 bp->rx_ring_size = size;
4771 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004772 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4773}
4774
4775static void
Michael Chanb6016b72005-05-26 13:03:09 -07004776bnx2_free_tx_skbs(struct bnx2 *bp)
4777{
4778 int i;
4779
4780 if (bp->tx_buf_ring == NULL)
4781 return;
4782
4783 for (i = 0; i < TX_DESC_CNT; ) {
4784 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4785 struct sk_buff *skb = tx_buf->skb;
4786 int j, last;
4787
4788 if (skb == NULL) {
4789 i++;
4790 continue;
4791 }
4792
4793 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4794 skb_headlen(skb), PCI_DMA_TODEVICE);
4795
4796 tx_buf->skb = NULL;
4797
4798 last = skb_shinfo(skb)->nr_frags;
4799 for (j = 0; j < last; j++) {
4800 tx_buf = &bp->tx_buf_ring[i + j + 1];
4801 pci_unmap_page(bp->pdev,
4802 pci_unmap_addr(tx_buf, mapping),
4803 skb_shinfo(skb)->frags[j].size,
4804 PCI_DMA_TODEVICE);
4805 }
Michael Chan745720e2006-06-29 12:37:41 -07004806 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004807 i += j + 1;
4808 }
4809
4810}
4811
4812static void
4813bnx2_free_rx_skbs(struct bnx2 *bp)
4814{
4815 int i;
4816
4817 if (bp->rx_buf_ring == NULL)
4818 return;
4819
Michael Chan13daffa2006-03-20 17:49:20 -08004820 for (i = 0; i < bp->rx_max_ring_idx; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004821 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4822 struct sk_buff *skb = rx_buf->skb;
4823
Michael Chan05d0f1c2005-11-04 08:53:48 -08004824 if (skb == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004825 continue;
4826
4827 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4828 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4829
4830 rx_buf->skb = NULL;
4831
Michael Chan745720e2006-06-29 12:37:41 -07004832 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004833 }
Michael Chan47bf4242007-12-12 11:19:12 -08004834 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4835 bnx2_free_rx_page(bp, i);
Michael Chanb6016b72005-05-26 13:03:09 -07004836}
4837
4838static void
4839bnx2_free_skbs(struct bnx2 *bp)
4840{
4841 bnx2_free_tx_skbs(bp);
4842 bnx2_free_rx_skbs(bp);
4843}
4844
4845static int
4846bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4847{
4848 int rc;
4849
4850 rc = bnx2_reset_chip(bp, reset_code);
4851 bnx2_free_skbs(bp);
4852 if (rc)
4853 return rc;
4854
Michael Chanfba9fe92006-06-12 22:21:25 -07004855 if ((rc = bnx2_init_chip(bp)) != 0)
4856 return rc;
4857
Michael Chanc76c0472007-12-20 20:01:19 -08004858 bnx2_clear_ring_states(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004859 bnx2_init_tx_ring(bp);
4860 bnx2_init_rx_ring(bp);
4861 return 0;
4862}
4863
4864static int
4865bnx2_init_nic(struct bnx2 *bp)
4866{
4867 int rc;
4868
4869 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4870 return rc;
4871
Michael Chan80be4432006-11-19 14:07:28 -08004872 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004873 bnx2_init_phy(bp);
4874 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07004875 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4876 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07004877 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004878 return 0;
4879}
4880
4881static int
4882bnx2_test_registers(struct bnx2 *bp)
4883{
4884 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07004885 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05004886 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004887 u16 offset;
4888 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07004889#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07004890 u32 rw_mask;
4891 u32 ro_mask;
4892 } reg_tbl[] = {
4893 { 0x006c, 0, 0x00000000, 0x0000003f },
4894 { 0x0090, 0, 0xffffffff, 0x00000000 },
4895 { 0x0094, 0, 0x00000000, 0x00000000 },
4896
Michael Chan5bae30c2007-05-03 13:18:46 -07004897 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4898 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4899 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4900 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4901 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4902 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4903 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4904 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4905 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07004906
Michael Chan5bae30c2007-05-03 13:18:46 -07004907 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4908 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4909 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4910 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4911 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4912 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07004913
Michael Chan5bae30c2007-05-03 13:18:46 -07004914 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4915 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4916 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004917
4918 { 0x1000, 0, 0x00000000, 0x00000001 },
4919 { 0x1004, 0, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07004920
4921 { 0x1408, 0, 0x01c00800, 0x00000000 },
4922 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4923 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004924 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004925 { 0x14b0, 0, 0x00000002, 0x00000001 },
4926 { 0x14b8, 0, 0x00000000, 0x00000000 },
4927 { 0x14c0, 0, 0x00000000, 0x00000009 },
4928 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4929 { 0x14cc, 0, 0x00000000, 0x00000001 },
4930 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004931
4932 { 0x1800, 0, 0x00000000, 0x00000001 },
4933 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07004934
4935 { 0x2800, 0, 0x00000000, 0x00000001 },
4936 { 0x2804, 0, 0x00000000, 0x00003f01 },
4937 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4938 { 0x2810, 0, 0xffff0000, 0x00000000 },
4939 { 0x2814, 0, 0xffff0000, 0x00000000 },
4940 { 0x2818, 0, 0xffff0000, 0x00000000 },
4941 { 0x281c, 0, 0xffff0000, 0x00000000 },
4942 { 0x2834, 0, 0xffffffff, 0x00000000 },
4943 { 0x2840, 0, 0x00000000, 0xffffffff },
4944 { 0x2844, 0, 0x00000000, 0xffffffff },
4945 { 0x2848, 0, 0xffffffff, 0x00000000 },
4946 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4947
4948 { 0x2c00, 0, 0x00000000, 0x00000011 },
4949 { 0x2c04, 0, 0x00000000, 0x00030007 },
4950
Michael Chanb6016b72005-05-26 13:03:09 -07004951 { 0x3c00, 0, 0x00000000, 0x00000001 },
4952 { 0x3c04, 0, 0x00000000, 0x00070000 },
4953 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4954 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4955 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4956 { 0x3c14, 0, 0x00000000, 0xffffffff },
4957 { 0x3c18, 0, 0x00000000, 0xffffffff },
4958 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4959 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004960
4961 { 0x5004, 0, 0x00000000, 0x0000007f },
4962 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004963
Michael Chanb6016b72005-05-26 13:03:09 -07004964 { 0x5c00, 0, 0x00000000, 0x00000001 },
4965 { 0x5c04, 0, 0x00000000, 0x0003000f },
4966 { 0x5c08, 0, 0x00000003, 0x00000000 },
4967 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4968 { 0x5c10, 0, 0x00000000, 0xffffffff },
4969 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4970 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4971 { 0x5c88, 0, 0x00000000, 0x00077373 },
4972 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4973
4974 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4975 { 0x680c, 0, 0xffffffff, 0x00000000 },
4976 { 0x6810, 0, 0xffffffff, 0x00000000 },
4977 { 0x6814, 0, 0xffffffff, 0x00000000 },
4978 { 0x6818, 0, 0xffffffff, 0x00000000 },
4979 { 0x681c, 0, 0xffffffff, 0x00000000 },
4980 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4981 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4982 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4983 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4984 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4985 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4986 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4987 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4988 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4989 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4990 { 0x684c, 0, 0xffffffff, 0x00000000 },
4991 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4992 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4993 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4994 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4995 { 0x6908, 0, 0x00000000, 0x0001ff0f },
4996 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
4997
4998 { 0xffff, 0, 0x00000000, 0x00000000 },
4999 };
5000
5001 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005002 is_5709 = 0;
5003 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5004 is_5709 = 1;
5005
Michael Chanb6016b72005-05-26 13:03:09 -07005006 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5007 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005008 u16 flags = reg_tbl[i].flags;
5009
5010 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5011 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005012
5013 offset = (u32) reg_tbl[i].offset;
5014 rw_mask = reg_tbl[i].rw_mask;
5015 ro_mask = reg_tbl[i].ro_mask;
5016
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005017 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005018
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005019 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005020
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005021 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005022 if ((val & rw_mask) != 0) {
5023 goto reg_test_err;
5024 }
5025
5026 if ((val & ro_mask) != (save_val & ro_mask)) {
5027 goto reg_test_err;
5028 }
5029
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005030 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005031
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005032 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005033 if ((val & rw_mask) != rw_mask) {
5034 goto reg_test_err;
5035 }
5036
5037 if ((val & ro_mask) != (save_val & ro_mask)) {
5038 goto reg_test_err;
5039 }
5040
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005041 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005042 continue;
5043
5044reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005045 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005046 ret = -ENODEV;
5047 break;
5048 }
5049 return ret;
5050}
5051
5052static int
5053bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5054{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005055 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005056 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5057 int i;
5058
5059 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5060 u32 offset;
5061
5062 for (offset = 0; offset < size; offset += 4) {
5063
Michael Chan2726d6e2008-01-29 21:35:05 -08005064 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005065
Michael Chan2726d6e2008-01-29 21:35:05 -08005066 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005067 test_pattern[i]) {
5068 return -ENODEV;
5069 }
5070 }
5071 }
5072 return 0;
5073}
5074
5075static int
5076bnx2_test_memory(struct bnx2 *bp)
5077{
5078 int ret = 0;
5079 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005080 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005081 u32 offset;
5082 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005083 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005084 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005085 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005086 { 0xe0000, 0x4000 },
5087 { 0x120000, 0x4000 },
5088 { 0x1a0000, 0x4000 },
5089 { 0x160000, 0x4000 },
5090 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005091 },
5092 mem_tbl_5709[] = {
5093 { 0x60000, 0x4000 },
5094 { 0xa0000, 0x3000 },
5095 { 0xe0000, 0x4000 },
5096 { 0x120000, 0x4000 },
5097 { 0x1a0000, 0x4000 },
5098 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005099 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005100 struct mem_entry *mem_tbl;
5101
5102 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5103 mem_tbl = mem_tbl_5709;
5104 else
5105 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005106
5107 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5108 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5109 mem_tbl[i].len)) != 0) {
5110 return ret;
5111 }
5112 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005113
Michael Chanb6016b72005-05-26 13:03:09 -07005114 return ret;
5115}
5116
Michael Chanbc5a0692006-01-23 16:13:22 -08005117#define BNX2_MAC_LOOPBACK 0
5118#define BNX2_PHY_LOOPBACK 1
5119
Michael Chanb6016b72005-05-26 13:03:09 -07005120static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005121bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005122{
5123 unsigned int pkt_size, num_pkts, i;
5124 struct sk_buff *skb, *rx_skb;
5125 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005126 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005127 dma_addr_t map;
5128 struct tx_bd *txbd;
5129 struct sw_bd *rx_buf;
5130 struct l2_fhdr *rx_hdr;
5131 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005132 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5133
5134 tx_napi = bnapi;
David S. Millerf86e82f2008-01-21 17:15:40 -08005135 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanc76c0472007-12-20 20:01:19 -08005136 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
Michael Chanb6016b72005-05-26 13:03:09 -07005137
Michael Chanbc5a0692006-01-23 16:13:22 -08005138 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5139 bp->loopback = MAC_LOOPBACK;
5140 bnx2_set_mac_loopback(bp);
5141 }
5142 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005143 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005144 return 0;
5145
Michael Chan80be4432006-11-19 14:07:28 -08005146 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005147 bnx2_set_phy_loopback(bp);
5148 }
5149 else
5150 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005151
Michael Chan84eaa182007-12-12 11:19:57 -08005152 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005153 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005154 if (!skb)
5155 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005156 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005157 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005158 memset(packet + 6, 0x0, 8);
5159 for (i = 14; i < pkt_size; i++)
5160 packet[i] = (unsigned char) (i & 0xff);
5161
5162 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5163 PCI_DMA_TODEVICE);
5164
Michael Chanbf5295b2006-03-23 01:11:56 -08005165 REG_WR(bp, BNX2_HC_COMMAND,
5166 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5167
Michael Chanb6016b72005-05-26 13:03:09 -07005168 REG_RD(bp, BNX2_HC_COMMAND);
5169
5170 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005171 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005172
Michael Chanb6016b72005-05-26 13:03:09 -07005173 num_pkts = 0;
5174
Michael Chanbc5a0692006-01-23 16:13:22 -08005175 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005176
5177 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5178 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5179 txbd->tx_bd_mss_nbytes = pkt_size;
5180 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5181
5182 num_pkts++;
Michael Chanbc5a0692006-01-23 16:13:22 -08005183 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5184 bp->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005185
Michael Chan234754d2006-11-19 14:11:41 -08005186 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5187 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005188
5189 udelay(100);
5190
Michael Chanbf5295b2006-03-23 01:11:56 -08005191 REG_WR(bp, BNX2_HC_COMMAND,
5192 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5193
Michael Chanb6016b72005-05-26 13:03:09 -07005194 REG_RD(bp, BNX2_HC_COMMAND);
5195
5196 udelay(5);
5197
5198 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005199 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005200
Michael Chanc76c0472007-12-20 20:01:19 -08005201 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005202 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005203
Michael Chan35efa7c2007-12-20 19:56:37 -08005204 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005205 if (rx_idx != rx_start_idx + num_pkts) {
5206 goto loopback_test_done;
5207 }
5208
5209 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5210 rx_skb = rx_buf->skb;
5211
5212 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5213 skb_reserve(rx_skb, bp->rx_offset);
5214
5215 pci_dma_sync_single_for_cpu(bp->pdev,
5216 pci_unmap_addr(rx_buf, mapping),
5217 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5218
Michael Chanade2bfe2006-01-23 16:09:51 -08005219 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005220 (L2_FHDR_ERRORS_BAD_CRC |
5221 L2_FHDR_ERRORS_PHY_DECODE |
5222 L2_FHDR_ERRORS_ALIGNMENT |
5223 L2_FHDR_ERRORS_TOO_SHORT |
5224 L2_FHDR_ERRORS_GIANT_FRAME)) {
5225
5226 goto loopback_test_done;
5227 }
5228
5229 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5230 goto loopback_test_done;
5231 }
5232
5233 for (i = 14; i < pkt_size; i++) {
5234 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5235 goto loopback_test_done;
5236 }
5237 }
5238
5239 ret = 0;
5240
5241loopback_test_done:
5242 bp->loopback = 0;
5243 return ret;
5244}
5245
Michael Chanbc5a0692006-01-23 16:13:22 -08005246#define BNX2_MAC_LOOPBACK_FAILED 1
5247#define BNX2_PHY_LOOPBACK_FAILED 2
5248#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5249 BNX2_PHY_LOOPBACK_FAILED)
5250
5251static int
5252bnx2_test_loopback(struct bnx2 *bp)
5253{
5254 int rc = 0;
5255
5256 if (!netif_running(bp->dev))
5257 return BNX2_LOOPBACK_FAILED;
5258
5259 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5260 spin_lock_bh(&bp->phy_lock);
5261 bnx2_init_phy(bp);
5262 spin_unlock_bh(&bp->phy_lock);
5263 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5264 rc |= BNX2_MAC_LOOPBACK_FAILED;
5265 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5266 rc |= BNX2_PHY_LOOPBACK_FAILED;
5267 return rc;
5268}
5269
Michael Chanb6016b72005-05-26 13:03:09 -07005270#define NVRAM_SIZE 0x200
5271#define CRC32_RESIDUAL 0xdebb20e3
5272
5273static int
5274bnx2_test_nvram(struct bnx2 *bp)
5275{
Al Virob491edd2007-12-22 19:44:51 +00005276 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005277 u8 *data = (u8 *) buf;
5278 int rc = 0;
5279 u32 magic, csum;
5280
5281 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5282 goto test_nvram_done;
5283
5284 magic = be32_to_cpu(buf[0]);
5285 if (magic != 0x669955aa) {
5286 rc = -ENODEV;
5287 goto test_nvram_done;
5288 }
5289
5290 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5291 goto test_nvram_done;
5292
5293 csum = ether_crc_le(0x100, data);
5294 if (csum != CRC32_RESIDUAL) {
5295 rc = -ENODEV;
5296 goto test_nvram_done;
5297 }
5298
5299 csum = ether_crc_le(0x100, data + 0x100);
5300 if (csum != CRC32_RESIDUAL) {
5301 rc = -ENODEV;
5302 }
5303
5304test_nvram_done:
5305 return rc;
5306}
5307
5308static int
5309bnx2_test_link(struct bnx2 *bp)
5310{
5311 u32 bmsr;
5312
Michael Chan583c28e2008-01-21 19:51:35 -08005313 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005314 if (bp->link_up)
5315 return 0;
5316 return -ENODEV;
5317 }
Michael Chanc770a652005-08-25 15:38:39 -07005318 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005319 bnx2_enable_bmsr1(bp);
5320 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5321 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5322 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005323 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005324
Michael Chanb6016b72005-05-26 13:03:09 -07005325 if (bmsr & BMSR_LSTATUS) {
5326 return 0;
5327 }
5328 return -ENODEV;
5329}
5330
5331static int
5332bnx2_test_intr(struct bnx2 *bp)
5333{
5334 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005335 u16 status_idx;
5336
5337 if (!netif_running(bp->dev))
5338 return -ENODEV;
5339
5340 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5341
5342 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005343 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005344 REG_RD(bp, BNX2_HC_COMMAND);
5345
5346 for (i = 0; i < 10; i++) {
5347 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5348 status_idx) {
5349
5350 break;
5351 }
5352
5353 msleep_interruptible(10);
5354 }
5355 if (i < 10)
5356 return 0;
5357
5358 return -ENODEV;
5359}
5360
Michael Chan38ea3682008-02-23 19:48:57 -08005361/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005362static int
5363bnx2_5706_serdes_has_link(struct bnx2 *bp)
5364{
5365 u32 mode_ctl, an_dbg, exp;
5366
Michael Chan38ea3682008-02-23 19:48:57 -08005367 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5368 return 0;
5369
Michael Chanb2fadea2008-01-21 17:07:06 -08005370 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5371 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5372
5373 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5374 return 0;
5375
5376 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5377 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5378 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5379
Michael Chanf3014c02008-01-29 21:33:03 -08005380 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005381 return 0;
5382
5383 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5384 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5385 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5386
5387 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5388 return 0;
5389
5390 return 1;
5391}
5392
Michael Chanb6016b72005-05-26 13:03:09 -07005393static void
Michael Chan48b01e22006-11-19 14:08:00 -08005394bnx2_5706_serdes_timer(struct bnx2 *bp)
5395{
Michael Chanb2fadea2008-01-21 17:07:06 -08005396 int check_link = 1;
5397
Michael Chan48b01e22006-11-19 14:08:00 -08005398 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005399 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005400 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005401 check_link = 0;
5402 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005403 u32 bmcr;
5404
5405 bp->current_interval = bp->timer_interval;
5406
Michael Chanca58c3a2007-05-03 13:22:52 -07005407 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005408
5409 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005410 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005411 bmcr &= ~BMCR_ANENABLE;
5412 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005413 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005414 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005415 }
5416 }
5417 }
5418 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005419 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005420 u32 phy2;
5421
5422 bnx2_write_phy(bp, 0x17, 0x0f01);
5423 bnx2_read_phy(bp, 0x15, &phy2);
5424 if (phy2 & 0x20) {
5425 u32 bmcr;
5426
Michael Chanca58c3a2007-05-03 13:22:52 -07005427 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005428 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005429 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005430
Michael Chan583c28e2008-01-21 19:51:35 -08005431 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005432 }
5433 } else
5434 bp->current_interval = bp->timer_interval;
5435
Michael Chana2724e22008-02-23 19:47:44 -08005436 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005437 u32 val;
5438
5439 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5440 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5441 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5442
Michael Chana2724e22008-02-23 19:47:44 -08005443 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5444 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5445 bnx2_5706s_force_link_dn(bp, 1);
5446 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5447 } else
5448 bnx2_set_link(bp);
5449 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5450 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005451 }
Michael Chan48b01e22006-11-19 14:08:00 -08005452 spin_unlock(&bp->phy_lock);
5453}
5454
5455static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005456bnx2_5708_serdes_timer(struct bnx2 *bp)
5457{
Michael Chan583c28e2008-01-21 19:51:35 -08005458 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005459 return;
5460
Michael Chan583c28e2008-01-21 19:51:35 -08005461 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005462 bp->serdes_an_pending = 0;
5463 return;
5464 }
5465
5466 spin_lock(&bp->phy_lock);
5467 if (bp->serdes_an_pending)
5468 bp->serdes_an_pending--;
5469 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5470 u32 bmcr;
5471
Michael Chanca58c3a2007-05-03 13:22:52 -07005472 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005473 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005474 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005475 bp->current_interval = SERDES_FORCED_TIMEOUT;
5476 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005477 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005478 bp->serdes_an_pending = 2;
5479 bp->current_interval = bp->timer_interval;
5480 }
5481
5482 } else
5483 bp->current_interval = bp->timer_interval;
5484
5485 spin_unlock(&bp->phy_lock);
5486}
5487
5488static void
Michael Chanb6016b72005-05-26 13:03:09 -07005489bnx2_timer(unsigned long data)
5490{
5491 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005492
Michael Chancd339a02005-08-25 15:35:24 -07005493 if (!netif_running(bp->dev))
5494 return;
5495
Michael Chanb6016b72005-05-26 13:03:09 -07005496 if (atomic_read(&bp->intr_sem) != 0)
5497 goto bnx2_restart_timer;
5498
Michael Chandf149d72007-07-07 22:51:36 -07005499 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005500
Michael Chan2726d6e2008-01-29 21:35:05 -08005501 bp->stats_blk->stat_FwRxDrop =
5502 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005503
Michael Chan02537b062007-06-04 21:24:07 -07005504 /* workaround occasional corrupted counters */
5505 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5506 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5507 BNX2_HC_COMMAND_STATS_NOW);
5508
Michael Chan583c28e2008-01-21 19:51:35 -08005509 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005510 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5511 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005512 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005513 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005514 }
5515
5516bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005517 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005518}
5519
Michael Chan8e6a72c2007-05-03 13:24:48 -07005520static int
5521bnx2_request_irq(struct bnx2 *bp)
5522{
5523 struct net_device *dev = bp->dev;
Michael Chan6d866ff2007-12-20 19:56:09 -08005524 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005525 struct bnx2_irq *irq;
5526 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005527
David S. Millerf86e82f2008-01-21 17:15:40 -08005528 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005529 flags = 0;
5530 else
5531 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005532
5533 for (i = 0; i < bp->irq_nvecs; i++) {
5534 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005535 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanb4b36042007-12-20 19:59:30 -08005536 dev);
5537 if (rc)
5538 break;
5539 irq->requested = 1;
5540 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005541 return rc;
5542}
5543
5544static void
5545bnx2_free_irq(struct bnx2 *bp)
5546{
5547 struct net_device *dev = bp->dev;
Michael Chanb4b36042007-12-20 19:59:30 -08005548 struct bnx2_irq *irq;
5549 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005550
Michael Chanb4b36042007-12-20 19:59:30 -08005551 for (i = 0; i < bp->irq_nvecs; i++) {
5552 irq = &bp->irq_tbl[i];
5553 if (irq->requested)
5554 free_irq(irq->vector, dev);
5555 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005556 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005557 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005558 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005559 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005560 pci_disable_msix(bp->pdev);
5561
David S. Millerf86e82f2008-01-21 17:15:40 -08005562 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005563}
5564
5565static void
5566bnx2_enable_msix(struct bnx2 *bp)
5567{
Michael Chan57851d82007-12-20 20:01:44 -08005568 int i, rc;
5569 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5570
Michael Chanb4b36042007-12-20 19:59:30 -08005571 bnx2_setup_msix_tbl(bp);
5572 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5573 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5574 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005575
5576 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5577 msix_ent[i].entry = i;
5578 msix_ent[i].vector = 0;
5579 }
5580
5581 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5582 if (rc != 0)
5583 return;
5584
5585 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5586 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5587
5588 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5589 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5590 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5591 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5592
5593 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
David S. Millerf86e82f2008-01-21 17:15:40 -08005594 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005595 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5596 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005597}
5598
5599static void
5600bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5601{
5602 bp->irq_tbl[0].handler = bnx2_interrupt;
5603 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005604 bp->irq_nvecs = 1;
5605 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005606
David S. Millerf86e82f2008-01-21 17:15:40 -08005607 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chanb4b36042007-12-20 19:59:30 -08005608 bnx2_enable_msix(bp);
5609
David S. Millerf86e82f2008-01-21 17:15:40 -08005610 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5611 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005612 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005613 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005614 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005615 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005616 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5617 } else
5618 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005619
5620 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005621 }
5622 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005623}
5624
Michael Chanb6016b72005-05-26 13:03:09 -07005625/* Called with rtnl_lock */
5626static int
5627bnx2_open(struct net_device *dev)
5628{
Michael Chan972ec0d2006-01-23 16:12:43 -08005629 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005630 int rc;
5631
Michael Chan1b2f9222007-05-03 13:20:19 -07005632 netif_carrier_off(dev);
5633
Pavel Machek829ca9a2005-09-03 15:56:56 -07005634 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005635 bnx2_disable_int(bp);
5636
5637 rc = bnx2_alloc_mem(bp);
5638 if (rc)
5639 return rc;
5640
Michael Chan6d866ff2007-12-20 19:56:09 -08005641 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005642 bnx2_napi_enable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005643 rc = bnx2_request_irq(bp);
5644
Michael Chanb6016b72005-05-26 13:03:09 -07005645 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005646 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005647 bnx2_free_mem(bp);
5648 return rc;
5649 }
5650
5651 rc = bnx2_init_nic(bp);
5652
5653 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005654 bnx2_napi_disable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005655 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005656 bnx2_free_skbs(bp);
5657 bnx2_free_mem(bp);
5658 return rc;
5659 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005660
Michael Chancd339a02005-08-25 15:35:24 -07005661 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005662
5663 atomic_set(&bp->intr_sem, 0);
5664
5665 bnx2_enable_int(bp);
5666
David S. Millerf86e82f2008-01-21 17:15:40 -08005667 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005668 /* Test MSI to make sure it is working
5669 * If MSI test fails, go back to INTx mode
5670 */
5671 if (bnx2_test_intr(bp) != 0) {
5672 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5673 " using MSI, switching to INTx mode. Please"
5674 " report this failure to the PCI maintainer"
5675 " and include system chipset information.\n",
5676 bp->dev->name);
5677
5678 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005679 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005680
Michael Chan6d866ff2007-12-20 19:56:09 -08005681 bnx2_setup_int_mode(bp, 1);
5682
Michael Chanb6016b72005-05-26 13:03:09 -07005683 rc = bnx2_init_nic(bp);
5684
Michael Chan8e6a72c2007-05-03 13:24:48 -07005685 if (!rc)
5686 rc = bnx2_request_irq(bp);
5687
Michael Chanb6016b72005-05-26 13:03:09 -07005688 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005689 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005690 bnx2_free_skbs(bp);
5691 bnx2_free_mem(bp);
5692 del_timer_sync(&bp->timer);
5693 return rc;
5694 }
5695 bnx2_enable_int(bp);
5696 }
5697 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005698 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005699 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005700 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005701 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005702
5703 netif_start_queue(dev);
5704
5705 return 0;
5706}
5707
5708static void
David Howellsc4028952006-11-22 14:57:56 +00005709bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005710{
David Howellsc4028952006-11-22 14:57:56 +00005711 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005712
Michael Chanafdc08b2005-08-25 15:34:29 -07005713 if (!netif_running(bp->dev))
5714 return;
5715
5716 bp->in_reset_task = 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005717 bnx2_netif_stop(bp);
5718
5719 bnx2_init_nic(bp);
5720
5721 atomic_set(&bp->intr_sem, 1);
5722 bnx2_netif_start(bp);
Michael Chanafdc08b2005-08-25 15:34:29 -07005723 bp->in_reset_task = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005724}
5725
5726static void
5727bnx2_tx_timeout(struct net_device *dev)
5728{
Michael Chan972ec0d2006-01-23 16:12:43 -08005729 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005730
5731 /* This allows the netif to be shutdown gracefully before resetting */
5732 schedule_work(&bp->reset_task);
5733}
5734
5735#ifdef BCM_VLAN
5736/* Called with rtnl_lock */
5737static void
5738bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5739{
Michael Chan972ec0d2006-01-23 16:12:43 -08005740 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005741
5742 bnx2_netif_stop(bp);
5743
5744 bp->vlgrp = vlgrp;
5745 bnx2_set_rx_mode(dev);
5746
5747 bnx2_netif_start(bp);
5748}
Michael Chanb6016b72005-05-26 13:03:09 -07005749#endif
5750
Herbert Xu932ff272006-06-09 12:20:56 -07005751/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005752 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5753 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005754 */
5755static int
5756bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5757{
Michael Chan972ec0d2006-01-23 16:12:43 -08005758 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005759 dma_addr_t mapping;
5760 struct tx_bd *txbd;
5761 struct sw_bd *tx_buf;
5762 u32 len, vlan_tag_flags, last_frag, mss;
5763 u16 prod, ring_prod;
5764 int i;
Michael Chan57851d82007-12-20 20:01:44 -08005765 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07005766
Michael Chana550c992007-12-20 19:56:59 -08005767 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5768 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005769 netif_stop_queue(dev);
5770 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5771 dev->name);
5772
5773 return NETDEV_TX_BUSY;
5774 }
5775 len = skb_headlen(skb);
5776 prod = bp->tx_prod;
5777 ring_prod = TX_RING_IDX(prod);
5778
5779 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005780 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005781 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5782 }
5783
Al Viro79ea13c2008-01-24 02:06:46 -08005784 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005785 vlan_tag_flags |=
5786 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5787 }
Michael Chanfde82052007-05-03 17:23:35 -07005788 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005789 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005790 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005791
Michael Chanb6016b72005-05-26 13:03:09 -07005792 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5793
Michael Chan4666f872007-05-03 13:22:28 -07005794 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005795
Michael Chan4666f872007-05-03 13:22:28 -07005796 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5797 u32 tcp_off = skb_transport_offset(skb) -
5798 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005799
Michael Chan4666f872007-05-03 13:22:28 -07005800 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5801 TX_BD_FLAGS_SW_FLAGS;
5802 if (likely(tcp_off == 0))
5803 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5804 else {
5805 tcp_off >>= 3;
5806 vlan_tag_flags |= ((tcp_off & 0x3) <<
5807 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5808 ((tcp_off & 0x10) <<
5809 TX_BD_FLAGS_TCP6_OFF4_SHL);
5810 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5811 }
5812 } else {
5813 if (skb_header_cloned(skb) &&
5814 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5815 dev_kfree_skb(skb);
5816 return NETDEV_TX_OK;
5817 }
5818
5819 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5820
5821 iph = ip_hdr(skb);
5822 iph->check = 0;
5823 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5824 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5825 iph->daddr, 0,
5826 IPPROTO_TCP,
5827 0);
5828 if (tcp_opt_len || (iph->ihl > 5)) {
5829 vlan_tag_flags |= ((iph->ihl - 5) +
5830 (tcp_opt_len >> 2)) << 8;
5831 }
Michael Chanb6016b72005-05-26 13:03:09 -07005832 }
Michael Chan4666f872007-05-03 13:22:28 -07005833 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005834 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005835
5836 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005837
Michael Chanb6016b72005-05-26 13:03:09 -07005838 tx_buf = &bp->tx_buf_ring[ring_prod];
5839 tx_buf->skb = skb;
5840 pci_unmap_addr_set(tx_buf, mapping, mapping);
5841
5842 txbd = &bp->tx_desc_ring[ring_prod];
5843
5844 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5845 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5846 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5847 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5848
5849 last_frag = skb_shinfo(skb)->nr_frags;
5850
5851 for (i = 0; i < last_frag; i++) {
5852 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5853
5854 prod = NEXT_TX_BD(prod);
5855 ring_prod = TX_RING_IDX(prod);
5856 txbd = &bp->tx_desc_ring[ring_prod];
5857
5858 len = frag->size;
5859 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5860 len, PCI_DMA_TODEVICE);
5861 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5862 mapping, mapping);
5863
5864 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5865 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5866 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5867 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5868
5869 }
5870 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5871
5872 prod = NEXT_TX_BD(prod);
5873 bp->tx_prod_bseq += skb->len;
5874
Michael Chan234754d2006-11-19 14:11:41 -08005875 REG_WR16(bp, bp->tx_bidx_addr, prod);
5876 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005877
5878 mmiowb();
5879
5880 bp->tx_prod = prod;
5881 dev->trans_start = jiffies;
5882
Michael Chana550c992007-12-20 19:56:59 -08005883 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07005884 netif_stop_queue(dev);
Michael Chana550c992007-12-20 19:56:59 -08005885 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07005886 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005887 }
5888
5889 return NETDEV_TX_OK;
5890}
5891
5892/* Called with rtnl_lock */
5893static int
5894bnx2_close(struct net_device *dev)
5895{
Michael Chan972ec0d2006-01-23 16:12:43 -08005896 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005897 u32 reset_code;
5898
Michael Chanafdc08b2005-08-25 15:34:29 -07005899 /* Calling flush_scheduled_work() may deadlock because
5900 * linkwatch_event() may be on the workqueue and it will try to get
5901 * the rtnl_lock which we are holding.
5902 */
5903 while (bp->in_reset_task)
5904 msleep(1);
5905
Stephen Hemmingerbea33482007-10-03 16:41:36 -07005906 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08005907 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005908 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08005909 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07005910 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08005911 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07005912 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5913 else
5914 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5915 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005916 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005917 bnx2_free_skbs(bp);
5918 bnx2_free_mem(bp);
5919 bp->link_up = 0;
5920 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005921 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07005922 return 0;
5923}
5924
5925#define GET_NET_STATS64(ctr) \
5926 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5927 (unsigned long) (ctr##_lo)
5928
5929#define GET_NET_STATS32(ctr) \
5930 (ctr##_lo)
5931
5932#if (BITS_PER_LONG == 64)
5933#define GET_NET_STATS GET_NET_STATS64
5934#else
5935#define GET_NET_STATS GET_NET_STATS32
5936#endif
5937
5938static struct net_device_stats *
5939bnx2_get_stats(struct net_device *dev)
5940{
Michael Chan972ec0d2006-01-23 16:12:43 -08005941 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005942 struct statistics_block *stats_blk = bp->stats_blk;
5943 struct net_device_stats *net_stats = &bp->net_stats;
5944
5945 if (bp->stats_blk == NULL) {
5946 return net_stats;
5947 }
5948 net_stats->rx_packets =
5949 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5950 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5951 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5952
5953 net_stats->tx_packets =
5954 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5955 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5956 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5957
5958 net_stats->rx_bytes =
5959 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5960
5961 net_stats->tx_bytes =
5962 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5963
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005964 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07005965 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5966
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005967 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07005968 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5969
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005970 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005971 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5972 stats_blk->stat_EtherStatsOverrsizePkts);
5973
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005974 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005975 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5976
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005977 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005978 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5979
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005980 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005981 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5982
5983 net_stats->rx_errors = net_stats->rx_length_errors +
5984 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5985 net_stats->rx_crc_errors;
5986
5987 net_stats->tx_aborted_errors =
5988 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5989 stats_blk->stat_Dot3StatsLateCollisions);
5990
Michael Chan5b0c76a2005-11-04 08:45:49 -08005991 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5992 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005993 net_stats->tx_carrier_errors = 0;
5994 else {
5995 net_stats->tx_carrier_errors =
5996 (unsigned long)
5997 stats_blk->stat_Dot3StatsCarrierSenseErrors;
5998 }
5999
6000 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006001 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006002 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6003 +
6004 net_stats->tx_aborted_errors +
6005 net_stats->tx_carrier_errors;
6006
Michael Chancea94db2006-06-12 22:16:13 -07006007 net_stats->rx_missed_errors =
6008 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6009 stats_blk->stat_FwRxDrop);
6010
Michael Chanb6016b72005-05-26 13:03:09 -07006011 return net_stats;
6012}
6013
6014/* All ethtool functions called with rtnl_lock */
6015
6016static int
6017bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6018{
Michael Chan972ec0d2006-01-23 16:12:43 -08006019 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006020 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006021
6022 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006023 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006024 support_serdes = 1;
6025 support_copper = 1;
6026 } else if (bp->phy_port == PORT_FIBRE)
6027 support_serdes = 1;
6028 else
6029 support_copper = 1;
6030
6031 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006032 cmd->supported |= SUPPORTED_1000baseT_Full |
6033 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006034 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006035 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006036
Michael Chanb6016b72005-05-26 13:03:09 -07006037 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006038 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006039 cmd->supported |= SUPPORTED_10baseT_Half |
6040 SUPPORTED_10baseT_Full |
6041 SUPPORTED_100baseT_Half |
6042 SUPPORTED_100baseT_Full |
6043 SUPPORTED_1000baseT_Full |
6044 SUPPORTED_TP;
6045
Michael Chanb6016b72005-05-26 13:03:09 -07006046 }
6047
Michael Chan7b6b8342007-07-07 22:50:15 -07006048 spin_lock_bh(&bp->phy_lock);
6049 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006050 cmd->advertising = bp->advertising;
6051
6052 if (bp->autoneg & AUTONEG_SPEED) {
6053 cmd->autoneg = AUTONEG_ENABLE;
6054 }
6055 else {
6056 cmd->autoneg = AUTONEG_DISABLE;
6057 }
6058
6059 if (netif_carrier_ok(dev)) {
6060 cmd->speed = bp->line_speed;
6061 cmd->duplex = bp->duplex;
6062 }
6063 else {
6064 cmd->speed = -1;
6065 cmd->duplex = -1;
6066 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006067 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006068
6069 cmd->transceiver = XCVR_INTERNAL;
6070 cmd->phy_address = bp->phy_addr;
6071
6072 return 0;
6073}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006074
Michael Chanb6016b72005-05-26 13:03:09 -07006075static int
6076bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6077{
Michael Chan972ec0d2006-01-23 16:12:43 -08006078 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006079 u8 autoneg = bp->autoneg;
6080 u8 req_duplex = bp->req_duplex;
6081 u16 req_line_speed = bp->req_line_speed;
6082 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006083 int err = -EINVAL;
6084
6085 spin_lock_bh(&bp->phy_lock);
6086
6087 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6088 goto err_out_unlock;
6089
Michael Chan583c28e2008-01-21 19:51:35 -08006090 if (cmd->port != bp->phy_port &&
6091 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006092 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006093
6094 if (cmd->autoneg == AUTONEG_ENABLE) {
6095 autoneg |= AUTONEG_SPEED;
6096
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006097 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006098
6099 /* allow advertising 1 speed */
6100 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6101 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6102 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6103 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6104
Michael Chan7b6b8342007-07-07 22:50:15 -07006105 if (cmd->port == PORT_FIBRE)
6106 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006107
6108 advertising = cmd->advertising;
6109
Michael Chan27a005b2007-05-03 13:23:41 -07006110 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006111 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006112 (cmd->port == PORT_TP))
6113 goto err_out_unlock;
6114 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006115 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006116 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6117 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006118 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006119 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006120 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006121 else
Michael Chanb6016b72005-05-26 13:03:09 -07006122 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006123 }
6124 advertising |= ADVERTISED_Autoneg;
6125 }
6126 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006127 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006128 if ((cmd->speed != SPEED_1000 &&
6129 cmd->speed != SPEED_2500) ||
6130 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006131 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006132
6133 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006134 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006135 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006136 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006137 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6138 goto err_out_unlock;
6139
Michael Chanb6016b72005-05-26 13:03:09 -07006140 autoneg &= ~AUTONEG_SPEED;
6141 req_line_speed = cmd->speed;
6142 req_duplex = cmd->duplex;
6143 advertising = 0;
6144 }
6145
6146 bp->autoneg = autoneg;
6147 bp->advertising = advertising;
6148 bp->req_line_speed = req_line_speed;
6149 bp->req_duplex = req_duplex;
6150
Michael Chan7b6b8342007-07-07 22:50:15 -07006151 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006152
Michael Chan7b6b8342007-07-07 22:50:15 -07006153err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006154 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006155
Michael Chan7b6b8342007-07-07 22:50:15 -07006156 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006157}
6158
6159static void
6160bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6161{
Michael Chan972ec0d2006-01-23 16:12:43 -08006162 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006163
6164 strcpy(info->driver, DRV_MODULE_NAME);
6165 strcpy(info->version, DRV_MODULE_VERSION);
6166 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006167 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006168}
6169
Michael Chan244ac4f2006-03-20 17:48:46 -08006170#define BNX2_REGDUMP_LEN (32 * 1024)
6171
6172static int
6173bnx2_get_regs_len(struct net_device *dev)
6174{
6175 return BNX2_REGDUMP_LEN;
6176}
6177
6178static void
6179bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6180{
6181 u32 *p = _p, i, offset;
6182 u8 *orig_p = _p;
6183 struct bnx2 *bp = netdev_priv(dev);
6184 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6185 0x0800, 0x0880, 0x0c00, 0x0c10,
6186 0x0c30, 0x0d08, 0x1000, 0x101c,
6187 0x1040, 0x1048, 0x1080, 0x10a4,
6188 0x1400, 0x1490, 0x1498, 0x14f0,
6189 0x1500, 0x155c, 0x1580, 0x15dc,
6190 0x1600, 0x1658, 0x1680, 0x16d8,
6191 0x1800, 0x1820, 0x1840, 0x1854,
6192 0x1880, 0x1894, 0x1900, 0x1984,
6193 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6194 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6195 0x2000, 0x2030, 0x23c0, 0x2400,
6196 0x2800, 0x2820, 0x2830, 0x2850,
6197 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6198 0x3c00, 0x3c94, 0x4000, 0x4010,
6199 0x4080, 0x4090, 0x43c0, 0x4458,
6200 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6201 0x4fc0, 0x5010, 0x53c0, 0x5444,
6202 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6203 0x5fc0, 0x6000, 0x6400, 0x6428,
6204 0x6800, 0x6848, 0x684c, 0x6860,
6205 0x6888, 0x6910, 0x8000 };
6206
6207 regs->version = 0;
6208
6209 memset(p, 0, BNX2_REGDUMP_LEN);
6210
6211 if (!netif_running(bp->dev))
6212 return;
6213
6214 i = 0;
6215 offset = reg_boundaries[0];
6216 p += offset;
6217 while (offset < BNX2_REGDUMP_LEN) {
6218 *p++ = REG_RD(bp, offset);
6219 offset += 4;
6220 if (offset == reg_boundaries[i + 1]) {
6221 offset = reg_boundaries[i + 2];
6222 p = (u32 *) (orig_p + offset);
6223 i += 2;
6224 }
6225 }
6226}
6227
Michael Chanb6016b72005-05-26 13:03:09 -07006228static void
6229bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6230{
Michael Chan972ec0d2006-01-23 16:12:43 -08006231 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006232
David S. Millerf86e82f2008-01-21 17:15:40 -08006233 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006234 wol->supported = 0;
6235 wol->wolopts = 0;
6236 }
6237 else {
6238 wol->supported = WAKE_MAGIC;
6239 if (bp->wol)
6240 wol->wolopts = WAKE_MAGIC;
6241 else
6242 wol->wolopts = 0;
6243 }
6244 memset(&wol->sopass, 0, sizeof(wol->sopass));
6245}
6246
6247static int
6248bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6249{
Michael Chan972ec0d2006-01-23 16:12:43 -08006250 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006251
6252 if (wol->wolopts & ~WAKE_MAGIC)
6253 return -EINVAL;
6254
6255 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006256 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006257 return -EINVAL;
6258
6259 bp->wol = 1;
6260 }
6261 else {
6262 bp->wol = 0;
6263 }
6264 return 0;
6265}
6266
6267static int
6268bnx2_nway_reset(struct net_device *dev)
6269{
Michael Chan972ec0d2006-01-23 16:12:43 -08006270 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006271 u32 bmcr;
6272
6273 if (!(bp->autoneg & AUTONEG_SPEED)) {
6274 return -EINVAL;
6275 }
6276
Michael Chanc770a652005-08-25 15:38:39 -07006277 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006278
Michael Chan583c28e2008-01-21 19:51:35 -08006279 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006280 int rc;
6281
6282 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6283 spin_unlock_bh(&bp->phy_lock);
6284 return rc;
6285 }
6286
Michael Chanb6016b72005-05-26 13:03:09 -07006287 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006288 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006289 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006290 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006291
6292 msleep(20);
6293
Michael Chanc770a652005-08-25 15:38:39 -07006294 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006295
6296 bp->current_interval = SERDES_AN_TIMEOUT;
6297 bp->serdes_an_pending = 1;
6298 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006299 }
6300
Michael Chanca58c3a2007-05-03 13:22:52 -07006301 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006302 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006303 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006304
Michael Chanc770a652005-08-25 15:38:39 -07006305 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006306
6307 return 0;
6308}
6309
6310static int
6311bnx2_get_eeprom_len(struct net_device *dev)
6312{
Michael Chan972ec0d2006-01-23 16:12:43 -08006313 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006314
Michael Chan1122db72006-01-23 16:11:42 -08006315 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006316 return 0;
6317
Michael Chan1122db72006-01-23 16:11:42 -08006318 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006319}
6320
6321static int
6322bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6323 u8 *eebuf)
6324{
Michael Chan972ec0d2006-01-23 16:12:43 -08006325 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006326 int rc;
6327
John W. Linville1064e942005-11-10 12:58:24 -08006328 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006329
6330 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6331
6332 return rc;
6333}
6334
6335static int
6336bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6337 u8 *eebuf)
6338{
Michael Chan972ec0d2006-01-23 16:12:43 -08006339 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006340 int rc;
6341
John W. Linville1064e942005-11-10 12:58:24 -08006342 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006343
6344 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6345
6346 return rc;
6347}
6348
6349static int
6350bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6351{
Michael Chan972ec0d2006-01-23 16:12:43 -08006352 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006353
6354 memset(coal, 0, sizeof(struct ethtool_coalesce));
6355
6356 coal->rx_coalesce_usecs = bp->rx_ticks;
6357 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6358 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6359 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6360
6361 coal->tx_coalesce_usecs = bp->tx_ticks;
6362 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6363 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6364 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6365
6366 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6367
6368 return 0;
6369}
6370
6371static int
6372bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6373{
Michael Chan972ec0d2006-01-23 16:12:43 -08006374 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006375
6376 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6377 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6378
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006379 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006380 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6381
6382 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6383 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6384
6385 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6386 if (bp->rx_quick_cons_trip_int > 0xff)
6387 bp->rx_quick_cons_trip_int = 0xff;
6388
6389 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6390 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6391
6392 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6393 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6394
6395 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6396 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6397
6398 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6399 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6400 0xff;
6401
6402 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006403 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6404 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6405 bp->stats_ticks = USEC_PER_SEC;
6406 }
Michael Chan7ea69202007-07-16 18:27:10 -07006407 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6408 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6409 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006410
6411 if (netif_running(bp->dev)) {
6412 bnx2_netif_stop(bp);
6413 bnx2_init_nic(bp);
6414 bnx2_netif_start(bp);
6415 }
6416
6417 return 0;
6418}
6419
6420static void
6421bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6422{
Michael Chan972ec0d2006-01-23 16:12:43 -08006423 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006424
Michael Chan13daffa2006-03-20 17:49:20 -08006425 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006426 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006427 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006428
6429 ering->rx_pending = bp->rx_ring_size;
6430 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006431 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006432
6433 ering->tx_max_pending = MAX_TX_DESC_CNT;
6434 ering->tx_pending = bp->tx_ring_size;
6435}
6436
6437static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006438bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006439{
Michael Chan13daffa2006-03-20 17:49:20 -08006440 if (netif_running(bp->dev)) {
6441 bnx2_netif_stop(bp);
6442 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6443 bnx2_free_skbs(bp);
6444 bnx2_free_mem(bp);
6445 }
6446
Michael Chan5d5d0012007-12-12 11:17:43 -08006447 bnx2_set_rx_ring_size(bp, rx);
6448 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006449
6450 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006451 int rc;
6452
6453 rc = bnx2_alloc_mem(bp);
6454 if (rc)
6455 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006456 bnx2_init_nic(bp);
6457 bnx2_netif_start(bp);
6458 }
Michael Chanb6016b72005-05-26 13:03:09 -07006459 return 0;
6460}
6461
Michael Chan5d5d0012007-12-12 11:17:43 -08006462static int
6463bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6464{
6465 struct bnx2 *bp = netdev_priv(dev);
6466 int rc;
6467
6468 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6469 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6470 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6471
6472 return -EINVAL;
6473 }
6474 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6475 return rc;
6476}
6477
Michael Chanb6016b72005-05-26 13:03:09 -07006478static void
6479bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6480{
Michael Chan972ec0d2006-01-23 16:12:43 -08006481 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006482
6483 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6484 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6485 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6486}
6487
6488static int
6489bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6490{
Michael Chan972ec0d2006-01-23 16:12:43 -08006491 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006492
6493 bp->req_flow_ctrl = 0;
6494 if (epause->rx_pause)
6495 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6496 if (epause->tx_pause)
6497 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6498
6499 if (epause->autoneg) {
6500 bp->autoneg |= AUTONEG_FLOW_CTRL;
6501 }
6502 else {
6503 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6504 }
6505
Michael Chanc770a652005-08-25 15:38:39 -07006506 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006507
Michael Chan0d8a6572007-07-07 22:49:43 -07006508 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006509
Michael Chanc770a652005-08-25 15:38:39 -07006510 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006511
6512 return 0;
6513}
6514
6515static u32
6516bnx2_get_rx_csum(struct net_device *dev)
6517{
Michael Chan972ec0d2006-01-23 16:12:43 -08006518 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006519
6520 return bp->rx_csum;
6521}
6522
6523static int
6524bnx2_set_rx_csum(struct net_device *dev, u32 data)
6525{
Michael Chan972ec0d2006-01-23 16:12:43 -08006526 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006527
6528 bp->rx_csum = data;
6529 return 0;
6530}
6531
Michael Chanb11d6212006-06-29 12:31:21 -07006532static int
6533bnx2_set_tso(struct net_device *dev, u32 data)
6534{
Michael Chan4666f872007-05-03 13:22:28 -07006535 struct bnx2 *bp = netdev_priv(dev);
6536
6537 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006538 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006539 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6540 dev->features |= NETIF_F_TSO6;
6541 } else
6542 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6543 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006544 return 0;
6545}
6546
Michael Chancea94db2006-06-12 22:16:13 -07006547#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006548
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006549static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006550 char string[ETH_GSTRING_LEN];
6551} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6552 { "rx_bytes" },
6553 { "rx_error_bytes" },
6554 { "tx_bytes" },
6555 { "tx_error_bytes" },
6556 { "rx_ucast_packets" },
6557 { "rx_mcast_packets" },
6558 { "rx_bcast_packets" },
6559 { "tx_ucast_packets" },
6560 { "tx_mcast_packets" },
6561 { "tx_bcast_packets" },
6562 { "tx_mac_errors" },
6563 { "tx_carrier_errors" },
6564 { "rx_crc_errors" },
6565 { "rx_align_errors" },
6566 { "tx_single_collisions" },
6567 { "tx_multi_collisions" },
6568 { "tx_deferred" },
6569 { "tx_excess_collisions" },
6570 { "tx_late_collisions" },
6571 { "tx_total_collisions" },
6572 { "rx_fragments" },
6573 { "rx_jabbers" },
6574 { "rx_undersize_packets" },
6575 { "rx_oversize_packets" },
6576 { "rx_64_byte_packets" },
6577 { "rx_65_to_127_byte_packets" },
6578 { "rx_128_to_255_byte_packets" },
6579 { "rx_256_to_511_byte_packets" },
6580 { "rx_512_to_1023_byte_packets" },
6581 { "rx_1024_to_1522_byte_packets" },
6582 { "rx_1523_to_9022_byte_packets" },
6583 { "tx_64_byte_packets" },
6584 { "tx_65_to_127_byte_packets" },
6585 { "tx_128_to_255_byte_packets" },
6586 { "tx_256_to_511_byte_packets" },
6587 { "tx_512_to_1023_byte_packets" },
6588 { "tx_1024_to_1522_byte_packets" },
6589 { "tx_1523_to_9022_byte_packets" },
6590 { "rx_xon_frames" },
6591 { "rx_xoff_frames" },
6592 { "tx_xon_frames" },
6593 { "tx_xoff_frames" },
6594 { "rx_mac_ctrl_frames" },
6595 { "rx_filtered_packets" },
6596 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006597 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006598};
6599
6600#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6601
Arjan van de Venf71e1302006-03-03 21:33:57 -05006602static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006603 STATS_OFFSET32(stat_IfHCInOctets_hi),
6604 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6605 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6606 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6607 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6608 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6609 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6610 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6611 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6612 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6613 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006614 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6615 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6616 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6617 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6618 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6619 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6620 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6621 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6622 STATS_OFFSET32(stat_EtherStatsCollisions),
6623 STATS_OFFSET32(stat_EtherStatsFragments),
6624 STATS_OFFSET32(stat_EtherStatsJabbers),
6625 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6626 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6627 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6628 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6629 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6630 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6631 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6632 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6633 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6634 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6635 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6636 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6637 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6638 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6639 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6640 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6641 STATS_OFFSET32(stat_XonPauseFramesReceived),
6642 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6643 STATS_OFFSET32(stat_OutXonSent),
6644 STATS_OFFSET32(stat_OutXoffSent),
6645 STATS_OFFSET32(stat_MacControlFramesReceived),
6646 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6647 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006648 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006649};
6650
6651/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6652 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006653 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006654static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006655 8,0,8,8,8,8,8,8,8,8,
6656 4,0,4,4,4,4,4,4,4,4,
6657 4,4,4,4,4,4,4,4,4,4,
6658 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006659 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006660};
6661
Michael Chan5b0c76a2005-11-04 08:45:49 -08006662static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6663 8,0,8,8,8,8,8,8,8,8,
6664 4,4,4,4,4,4,4,4,4,4,
6665 4,4,4,4,4,4,4,4,4,4,
6666 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006667 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006668};
6669
Michael Chanb6016b72005-05-26 13:03:09 -07006670#define BNX2_NUM_TESTS 6
6671
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006672static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006673 char string[ETH_GSTRING_LEN];
6674} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6675 { "register_test (offline)" },
6676 { "memory_test (offline)" },
6677 { "loopback_test (offline)" },
6678 { "nvram_test (online)" },
6679 { "interrupt_test (online)" },
6680 { "link_test (online)" },
6681};
6682
6683static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006684bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006685{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006686 switch (sset) {
6687 case ETH_SS_TEST:
6688 return BNX2_NUM_TESTS;
6689 case ETH_SS_STATS:
6690 return BNX2_NUM_STATS;
6691 default:
6692 return -EOPNOTSUPP;
6693 }
Michael Chanb6016b72005-05-26 13:03:09 -07006694}
6695
6696static void
6697bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6698{
Michael Chan972ec0d2006-01-23 16:12:43 -08006699 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006700
6701 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6702 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006703 int i;
6704
Michael Chanb6016b72005-05-26 13:03:09 -07006705 bnx2_netif_stop(bp);
6706 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6707 bnx2_free_skbs(bp);
6708
6709 if (bnx2_test_registers(bp) != 0) {
6710 buf[0] = 1;
6711 etest->flags |= ETH_TEST_FL_FAILED;
6712 }
6713 if (bnx2_test_memory(bp) != 0) {
6714 buf[1] = 1;
6715 etest->flags |= ETH_TEST_FL_FAILED;
6716 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006717 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006718 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006719
6720 if (!netif_running(bp->dev)) {
6721 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6722 }
6723 else {
6724 bnx2_init_nic(bp);
6725 bnx2_netif_start(bp);
6726 }
6727
6728 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006729 for (i = 0; i < 7; i++) {
6730 if (bp->link_up)
6731 break;
6732 msleep_interruptible(1000);
6733 }
Michael Chanb6016b72005-05-26 13:03:09 -07006734 }
6735
6736 if (bnx2_test_nvram(bp) != 0) {
6737 buf[3] = 1;
6738 etest->flags |= ETH_TEST_FL_FAILED;
6739 }
6740 if (bnx2_test_intr(bp) != 0) {
6741 buf[4] = 1;
6742 etest->flags |= ETH_TEST_FL_FAILED;
6743 }
6744
6745 if (bnx2_test_link(bp) != 0) {
6746 buf[5] = 1;
6747 etest->flags |= ETH_TEST_FL_FAILED;
6748
6749 }
6750}
6751
6752static void
6753bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6754{
6755 switch (stringset) {
6756 case ETH_SS_STATS:
6757 memcpy(buf, bnx2_stats_str_arr,
6758 sizeof(bnx2_stats_str_arr));
6759 break;
6760 case ETH_SS_TEST:
6761 memcpy(buf, bnx2_tests_str_arr,
6762 sizeof(bnx2_tests_str_arr));
6763 break;
6764 }
6765}
6766
Michael Chanb6016b72005-05-26 13:03:09 -07006767static void
6768bnx2_get_ethtool_stats(struct net_device *dev,
6769 struct ethtool_stats *stats, u64 *buf)
6770{
Michael Chan972ec0d2006-01-23 16:12:43 -08006771 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006772 int i;
6773 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006774 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006775
6776 if (hw_stats == NULL) {
6777 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6778 return;
6779 }
6780
Michael Chan5b0c76a2005-11-04 08:45:49 -08006781 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6782 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6783 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6784 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006785 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006786 else
6787 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006788
6789 for (i = 0; i < BNX2_NUM_STATS; i++) {
6790 if (stats_len_arr[i] == 0) {
6791 /* skip this counter */
6792 buf[i] = 0;
6793 continue;
6794 }
6795 if (stats_len_arr[i] == 4) {
6796 /* 4-byte counter */
6797 buf[i] = (u64)
6798 *(hw_stats + bnx2_stats_offset_arr[i]);
6799 continue;
6800 }
6801 /* 8-byte counter */
6802 buf[i] = (((u64) *(hw_stats +
6803 bnx2_stats_offset_arr[i])) << 32) +
6804 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6805 }
6806}
6807
6808static int
6809bnx2_phys_id(struct net_device *dev, u32 data)
6810{
Michael Chan972ec0d2006-01-23 16:12:43 -08006811 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006812 int i;
6813 u32 save;
6814
6815 if (data == 0)
6816 data = 2;
6817
6818 save = REG_RD(bp, BNX2_MISC_CFG);
6819 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6820
6821 for (i = 0; i < (data * 2); i++) {
6822 if ((i % 2) == 0) {
6823 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6824 }
6825 else {
6826 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6827 BNX2_EMAC_LED_1000MB_OVERRIDE |
6828 BNX2_EMAC_LED_100MB_OVERRIDE |
6829 BNX2_EMAC_LED_10MB_OVERRIDE |
6830 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6831 BNX2_EMAC_LED_TRAFFIC);
6832 }
6833 msleep_interruptible(500);
6834 if (signal_pending(current))
6835 break;
6836 }
6837 REG_WR(bp, BNX2_EMAC_LED, 0);
6838 REG_WR(bp, BNX2_MISC_CFG, save);
6839 return 0;
6840}
6841
Michael Chan4666f872007-05-03 13:22:28 -07006842static int
6843bnx2_set_tx_csum(struct net_device *dev, u32 data)
6844{
6845 struct bnx2 *bp = netdev_priv(dev);
6846
6847 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006848 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006849 else
6850 return (ethtool_op_set_tx_csum(dev, data));
6851}
6852
Jeff Garzik7282d492006-09-13 14:30:00 -04006853static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006854 .get_settings = bnx2_get_settings,
6855 .set_settings = bnx2_set_settings,
6856 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006857 .get_regs_len = bnx2_get_regs_len,
6858 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006859 .get_wol = bnx2_get_wol,
6860 .set_wol = bnx2_set_wol,
6861 .nway_reset = bnx2_nway_reset,
6862 .get_link = ethtool_op_get_link,
6863 .get_eeprom_len = bnx2_get_eeprom_len,
6864 .get_eeprom = bnx2_get_eeprom,
6865 .set_eeprom = bnx2_set_eeprom,
6866 .get_coalesce = bnx2_get_coalesce,
6867 .set_coalesce = bnx2_set_coalesce,
6868 .get_ringparam = bnx2_get_ringparam,
6869 .set_ringparam = bnx2_set_ringparam,
6870 .get_pauseparam = bnx2_get_pauseparam,
6871 .set_pauseparam = bnx2_set_pauseparam,
6872 .get_rx_csum = bnx2_get_rx_csum,
6873 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07006874 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07006875 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07006876 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07006877 .self_test = bnx2_self_test,
6878 .get_strings = bnx2_get_strings,
6879 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07006880 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006881 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07006882};
6883
6884/* Called with rtnl_lock */
6885static int
6886bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6887{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006888 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08006889 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006890 int err;
6891
6892 switch(cmd) {
6893 case SIOCGMIIPHY:
6894 data->phy_id = bp->phy_addr;
6895
6896 /* fallthru */
6897 case SIOCGMIIREG: {
6898 u32 mii_regval;
6899
Michael Chan583c28e2008-01-21 19:51:35 -08006900 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006901 return -EOPNOTSUPP;
6902
Michael Chandad3e452007-05-03 13:18:03 -07006903 if (!netif_running(dev))
6904 return -EAGAIN;
6905
Michael Chanc770a652005-08-25 15:38:39 -07006906 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006907 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07006908 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006909
6910 data->val_out = mii_regval;
6911
6912 return err;
6913 }
6914
6915 case SIOCSMIIREG:
6916 if (!capable(CAP_NET_ADMIN))
6917 return -EPERM;
6918
Michael Chan583c28e2008-01-21 19:51:35 -08006919 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006920 return -EOPNOTSUPP;
6921
Michael Chandad3e452007-05-03 13:18:03 -07006922 if (!netif_running(dev))
6923 return -EAGAIN;
6924
Michael Chanc770a652005-08-25 15:38:39 -07006925 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006926 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07006927 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006928
6929 return err;
6930
6931 default:
6932 /* do nothing */
6933 break;
6934 }
6935 return -EOPNOTSUPP;
6936}
6937
6938/* Called with rtnl_lock */
6939static int
6940bnx2_change_mac_addr(struct net_device *dev, void *p)
6941{
6942 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08006943 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006944
Michael Chan73eef4c2005-08-25 15:39:15 -07006945 if (!is_valid_ether_addr(addr->sa_data))
6946 return -EINVAL;
6947
Michael Chanb6016b72005-05-26 13:03:09 -07006948 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6949 if (netif_running(dev))
6950 bnx2_set_mac_addr(bp);
6951
6952 return 0;
6953}
6954
6955/* Called with rtnl_lock */
6956static int
6957bnx2_change_mtu(struct net_device *dev, int new_mtu)
6958{
Michael Chan972ec0d2006-01-23 16:12:43 -08006959 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006960
6961 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6962 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6963 return -EINVAL;
6964
6965 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08006966 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07006967}
6968
6969#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6970static void
6971poll_bnx2(struct net_device *dev)
6972{
Michael Chan972ec0d2006-01-23 16:12:43 -08006973 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006974
6975 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01006976 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006977 enable_irq(bp->pdev->irq);
6978}
6979#endif
6980
Michael Chan253c8b72007-01-08 19:56:01 -08006981static void __devinit
6982bnx2_get_5709_media(struct bnx2 *bp)
6983{
6984 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6985 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6986 u32 strap;
6987
6988 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6989 return;
6990 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08006991 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08006992 return;
6993 }
6994
6995 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
6996 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
6997 else
6998 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
6999
7000 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7001 switch (strap) {
7002 case 0x4:
7003 case 0x5:
7004 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007005 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007006 return;
7007 }
7008 } else {
7009 switch (strap) {
7010 case 0x1:
7011 case 0x2:
7012 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007013 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007014 return;
7015 }
7016 }
7017}
7018
Michael Chan883e5152007-05-03 13:25:11 -07007019static void __devinit
7020bnx2_get_pci_speed(struct bnx2 *bp)
7021{
7022 u32 reg;
7023
7024 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7025 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7026 u32 clkreg;
7027
David S. Millerf86e82f2008-01-21 17:15:40 -08007028 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007029
7030 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7031
7032 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7033 switch (clkreg) {
7034 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7035 bp->bus_speed_mhz = 133;
7036 break;
7037
7038 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7039 bp->bus_speed_mhz = 100;
7040 break;
7041
7042 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7043 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7044 bp->bus_speed_mhz = 66;
7045 break;
7046
7047 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7048 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7049 bp->bus_speed_mhz = 50;
7050 break;
7051
7052 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7053 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7054 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7055 bp->bus_speed_mhz = 33;
7056 break;
7057 }
7058 }
7059 else {
7060 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7061 bp->bus_speed_mhz = 66;
7062 else
7063 bp->bus_speed_mhz = 33;
7064 }
7065
7066 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007067 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007068
7069}
7070
Michael Chanb6016b72005-05-26 13:03:09 -07007071static int __devinit
7072bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7073{
7074 struct bnx2 *bp;
7075 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007076 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007077 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007078 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007079
Michael Chanb6016b72005-05-26 13:03:09 -07007080 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007081 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007082
7083 bp->flags = 0;
7084 bp->phy_flags = 0;
7085
7086 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7087 rc = pci_enable_device(pdev);
7088 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007089 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007090 goto err_out;
7091 }
7092
7093 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007094 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007095 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007096 rc = -ENODEV;
7097 goto err_out_disable;
7098 }
7099
7100 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7101 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007102 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007103 goto err_out_disable;
7104 }
7105
7106 pci_set_master(pdev);
7107
7108 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7109 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007110 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007111 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007112 rc = -EIO;
7113 goto err_out_release;
7114 }
7115
Michael Chanb6016b72005-05-26 13:03:09 -07007116 bp->dev = dev;
7117 bp->pdev = pdev;
7118
7119 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007120 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007121 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007122
7123 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007124 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007125 dev->mem_end = dev->mem_start + mem_len;
7126 dev->irq = pdev->irq;
7127
7128 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7129
7130 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007131 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007132 rc = -ENOMEM;
7133 goto err_out_release;
7134 }
7135
7136 /* Configure byte swap and enable write to the reg_window registers.
7137 * Rely on CPU to do target byte swapping on big endian systems
7138 * The chip's target access swapping will not swap all accesses
7139 */
7140 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7141 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7142 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7143
Pavel Machek829ca9a2005-09-03 15:56:56 -07007144 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007145
7146 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7147
Michael Chan883e5152007-05-03 13:25:11 -07007148 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7149 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7150 dev_err(&pdev->dev,
7151 "Cannot find PCIE capability, aborting.\n");
7152 rc = -EIO;
7153 goto err_out_unmap;
7154 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007155 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007156 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007157 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007158 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007159 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7160 if (bp->pcix_cap == 0) {
7161 dev_err(&pdev->dev,
7162 "Cannot find PCIX capability, aborting.\n");
7163 rc = -EIO;
7164 goto err_out_unmap;
7165 }
7166 }
7167
Michael Chanb4b36042007-12-20 19:59:30 -08007168 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7169 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007170 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007171 }
7172
Michael Chan8e6a72c2007-05-03 13:24:48 -07007173 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7174 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007175 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007176 }
7177
Michael Chan40453c82007-05-03 13:19:18 -07007178 /* 5708 cannot support DMA addresses > 40-bit. */
7179 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7180 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7181 else
7182 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7183
7184 /* Configure DMA attributes. */
7185 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7186 dev->features |= NETIF_F_HIGHDMA;
7187 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7188 if (rc) {
7189 dev_err(&pdev->dev,
7190 "pci_set_consistent_dma_mask failed, aborting.\n");
7191 goto err_out_unmap;
7192 }
7193 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7194 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7195 goto err_out_unmap;
7196 }
7197
David S. Millerf86e82f2008-01-21 17:15:40 -08007198 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007199 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007200
7201 /* 5706A0 may falsely detect SERR and PERR. */
7202 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7203 reg = REG_RD(bp, PCI_COMMAND);
7204 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7205 REG_WR(bp, PCI_COMMAND, reg);
7206 }
7207 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007208 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007209
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007210 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007211 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007212 goto err_out_unmap;
7213 }
7214
7215 bnx2_init_nvram(bp);
7216
Michael Chan2726d6e2008-01-29 21:35:05 -08007217 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007218
7219 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007220 BNX2_SHM_HDR_SIGNATURE_SIG) {
7221 u32 off = PCI_FUNC(pdev->devfn) << 2;
7222
Michael Chan2726d6e2008-01-29 21:35:05 -08007223 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007224 } else
Michael Chane3648b32005-11-04 08:51:21 -08007225 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7226
Michael Chanb6016b72005-05-26 13:03:09 -07007227 /* Get the permanent MAC address. First we need to make sure the
7228 * firmware is actually running.
7229 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007230 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007231
7232 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7233 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007234 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007235 rc = -ENODEV;
7236 goto err_out_unmap;
7237 }
7238
Michael Chan2726d6e2008-01-29 21:35:05 -08007239 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007240 for (i = 0, j = 0; i < 3; i++) {
7241 u8 num, k, skip0;
7242
7243 num = (u8) (reg >> (24 - (i * 8)));
7244 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7245 if (num >= k || !skip0 || k == 1) {
7246 bp->fw_version[j++] = (num / k) + '0';
7247 skip0 = 0;
7248 }
7249 }
7250 if (i != 2)
7251 bp->fw_version[j++] = '.';
7252 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007253 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007254 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7255 bp->wol = 1;
7256
7257 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007258 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007259
7260 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007261 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007262 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7263 break;
7264 msleep(10);
7265 }
7266 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007267 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007268 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7269 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7270 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7271 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007272 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007273
7274 bp->fw_version[j++] = ' ';
7275 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007276 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007277 reg = swab32(reg);
7278 memcpy(&bp->fw_version[j], &reg, 4);
7279 j += 4;
7280 }
7281 }
Michael Chanb6016b72005-05-26 13:03:09 -07007282
Michael Chan2726d6e2008-01-29 21:35:05 -08007283 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007284 bp->mac_addr[0] = (u8) (reg >> 8);
7285 bp->mac_addr[1] = (u8) reg;
7286
Michael Chan2726d6e2008-01-29 21:35:05 -08007287 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007288 bp->mac_addr[2] = (u8) (reg >> 24);
7289 bp->mac_addr[3] = (u8) (reg >> 16);
7290 bp->mac_addr[4] = (u8) (reg >> 8);
7291 bp->mac_addr[5] = (u8) reg;
7292
Michael Chan5d5d0012007-12-12 11:17:43 -08007293 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7294
Michael Chanb6016b72005-05-26 13:03:09 -07007295 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007296 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007297
7298 bp->rx_csum = 1;
7299
Michael Chanb6016b72005-05-26 13:03:09 -07007300 bp->tx_quick_cons_trip_int = 20;
7301 bp->tx_quick_cons_trip = 20;
7302 bp->tx_ticks_int = 80;
7303 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007304
Michael Chanb6016b72005-05-26 13:03:09 -07007305 bp->rx_quick_cons_trip_int = 6;
7306 bp->rx_quick_cons_trip = 6;
7307 bp->rx_ticks_int = 18;
7308 bp->rx_ticks = 18;
7309
Michael Chan7ea69202007-07-16 18:27:10 -07007310 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007311
7312 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007313 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007314
Michael Chan5b0c76a2005-11-04 08:45:49 -08007315 bp->phy_addr = 1;
7316
Michael Chanb6016b72005-05-26 13:03:09 -07007317 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007318 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7319 bnx2_get_5709_media(bp);
7320 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007321 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007322
Michael Chan0d8a6572007-07-07 22:49:43 -07007323 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007324 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007325 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007326 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007327 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007328 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007329 bp->wol = 0;
7330 }
Michael Chan38ea3682008-02-23 19:48:57 -08007331 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7332 /* Don't do parallel detect on this board because of
7333 * some board problems. The link will not go down
7334 * if we do parallel detect.
7335 */
7336 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7337 pdev->subsystem_device == 0x310c)
7338 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7339 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007340 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007341 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007342 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007343 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007344 bnx2_init_remote_phy(bp);
7345
Michael Chan261dd5c2007-01-08 19:55:46 -08007346 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7347 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007348 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007349 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7350 (CHIP_REV(bp) == CHIP_REV_Ax ||
7351 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007352 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007353
Michael Chan16088272006-06-12 22:16:43 -07007354 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7355 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007356 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007357 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007358 bp->wol = 0;
7359 }
Michael Chandda1e392006-01-23 16:08:14 -08007360
Michael Chanb6016b72005-05-26 13:03:09 -07007361 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7362 bp->tx_quick_cons_trip_int =
7363 bp->tx_quick_cons_trip;
7364 bp->tx_ticks_int = bp->tx_ticks;
7365 bp->rx_quick_cons_trip_int =
7366 bp->rx_quick_cons_trip;
7367 bp->rx_ticks_int = bp->rx_ticks;
7368 bp->comp_prod_trip_int = bp->comp_prod_trip;
7369 bp->com_ticks_int = bp->com_ticks;
7370 bp->cmd_ticks_int = bp->cmd_ticks;
7371 }
7372
Michael Chanf9317a42006-09-29 17:06:23 -07007373 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7374 *
7375 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7376 * with byte enables disabled on the unused 32-bit word. This is legal
7377 * but causes problems on the AMD 8132 which will eventually stop
7378 * responding after a while.
7379 *
7380 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007381 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007382 */
7383 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7384 struct pci_dev *amd_8132 = NULL;
7385
7386 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7387 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7388 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007389
Auke Kok44c10132007-06-08 15:46:36 -07007390 if (amd_8132->revision >= 0x10 &&
7391 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007392 disable_msi = 1;
7393 pci_dev_put(amd_8132);
7394 break;
7395 }
7396 }
7397 }
7398
Michael Chandeaf3912007-07-07 22:48:00 -07007399 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007400 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7401
Michael Chancd339a02005-08-25 15:35:24 -07007402 init_timer(&bp->timer);
7403 bp->timer.expires = RUN_AT(bp->timer_interval);
7404 bp->timer.data = (unsigned long) bp;
7405 bp->timer.function = bnx2_timer;
7406
Michael Chanb6016b72005-05-26 13:03:09 -07007407 return 0;
7408
7409err_out_unmap:
7410 if (bp->regview) {
7411 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007412 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007413 }
7414
7415err_out_release:
7416 pci_release_regions(pdev);
7417
7418err_out_disable:
7419 pci_disable_device(pdev);
7420 pci_set_drvdata(pdev, NULL);
7421
7422err_out:
7423 return rc;
7424}
7425
Michael Chan883e5152007-05-03 13:25:11 -07007426static char * __devinit
7427bnx2_bus_string(struct bnx2 *bp, char *str)
7428{
7429 char *s = str;
7430
David S. Millerf86e82f2008-01-21 17:15:40 -08007431 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007432 s += sprintf(s, "PCI Express");
7433 } else {
7434 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007435 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007436 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007437 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007438 s += sprintf(s, " 32-bit");
7439 else
7440 s += sprintf(s, " 64-bit");
7441 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7442 }
7443 return str;
7444}
7445
Michael Chan2ba582b2007-12-21 15:04:49 -08007446static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007447bnx2_init_napi(struct bnx2 *bp)
7448{
Michael Chanb4b36042007-12-20 19:59:30 -08007449 int i;
7450 struct bnx2_napi *bnapi;
Michael Chan35efa7c2007-12-20 19:56:37 -08007451
Michael Chanb4b36042007-12-20 19:59:30 -08007452 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7453 bnapi = &bp->bnx2_napi[i];
7454 bnapi->bp = bp;
7455 }
7456 netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
Michael Chan57851d82007-12-20 20:01:44 -08007457 netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7458 64);
Michael Chan35efa7c2007-12-20 19:56:37 -08007459}
7460
7461static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007462bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7463{
7464 static int version_printed = 0;
7465 struct net_device *dev = NULL;
7466 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007467 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007468 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007469 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007470
7471 if (version_printed++ == 0)
7472 printk(KERN_INFO "%s", version);
7473
7474 /* dev zeroed in init_etherdev */
7475 dev = alloc_etherdev(sizeof(*bp));
7476
7477 if (!dev)
7478 return -ENOMEM;
7479
7480 rc = bnx2_init_board(pdev, dev);
7481 if (rc < 0) {
7482 free_netdev(dev);
7483 return rc;
7484 }
7485
7486 dev->open = bnx2_open;
7487 dev->hard_start_xmit = bnx2_start_xmit;
7488 dev->stop = bnx2_close;
7489 dev->get_stats = bnx2_get_stats;
7490 dev->set_multicast_list = bnx2_set_rx_mode;
7491 dev->do_ioctl = bnx2_ioctl;
7492 dev->set_mac_address = bnx2_change_mac_addr;
7493 dev->change_mtu = bnx2_change_mtu;
7494 dev->tx_timeout = bnx2_tx_timeout;
7495 dev->watchdog_timeo = TX_TIMEOUT;
7496#ifdef BCM_VLAN
7497 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007498#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007499 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007500
Michael Chan972ec0d2006-01-23 16:12:43 -08007501 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007502 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007503
7504#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7505 dev->poll_controller = poll_bnx2;
7506#endif
7507
Michael Chan1b2f9222007-05-03 13:20:19 -07007508 pci_set_drvdata(pdev, dev);
7509
7510 memcpy(dev->dev_addr, bp->mac_addr, 6);
7511 memcpy(dev->perm_addr, bp->mac_addr, 6);
7512 bp->name = board_info[ent->driver_data].name;
7513
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007514 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007515 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007516 dev->features |= NETIF_F_IPV6_CSUM;
7517
Michael Chan1b2f9222007-05-03 13:20:19 -07007518#ifdef BCM_VLAN
7519 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7520#endif
7521 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007522 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7523 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007524
Michael Chanb6016b72005-05-26 13:03:09 -07007525 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007526 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007527 if (bp->regview)
7528 iounmap(bp->regview);
7529 pci_release_regions(pdev);
7530 pci_disable_device(pdev);
7531 pci_set_drvdata(pdev, NULL);
7532 free_netdev(dev);
7533 return rc;
7534 }
7535
Michael Chan883e5152007-05-03 13:25:11 -07007536 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007537 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007538 dev->name,
7539 bp->name,
7540 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7541 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007542 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007543 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007544 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007545
Michael Chanb6016b72005-05-26 13:03:09 -07007546 return 0;
7547}
7548
7549static void __devexit
7550bnx2_remove_one(struct pci_dev *pdev)
7551{
7552 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007553 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007554
Michael Chanafdc08b2005-08-25 15:34:29 -07007555 flush_scheduled_work();
7556
Michael Chanb6016b72005-05-26 13:03:09 -07007557 unregister_netdev(dev);
7558
7559 if (bp->regview)
7560 iounmap(bp->regview);
7561
7562 free_netdev(dev);
7563 pci_release_regions(pdev);
7564 pci_disable_device(pdev);
7565 pci_set_drvdata(pdev, NULL);
7566}
7567
7568static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007569bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007570{
7571 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007572 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007573 u32 reset_code;
7574
Michael Chan6caebb02007-08-03 20:57:25 -07007575 /* PCI register 4 needs to be saved whether netif_running() or not.
7576 * MSI address and data need to be saved if using MSI and
7577 * netif_running().
7578 */
7579 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007580 if (!netif_running(dev))
7581 return 0;
7582
Michael Chan1d60290f2006-03-20 17:50:08 -08007583 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007584 bnx2_netif_stop(bp);
7585 netif_device_detach(dev);
7586 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007587 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007588 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007589 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007590 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7591 else
7592 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7593 bnx2_reset_chip(bp, reset_code);
7594 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007595 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007596 return 0;
7597}
7598
7599static int
7600bnx2_resume(struct pci_dev *pdev)
7601{
7602 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007603 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007604
Michael Chan6caebb02007-08-03 20:57:25 -07007605 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007606 if (!netif_running(dev))
7607 return 0;
7608
Pavel Machek829ca9a2005-09-03 15:56:56 -07007609 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007610 netif_device_attach(dev);
7611 bnx2_init_nic(bp);
7612 bnx2_netif_start(bp);
7613 return 0;
7614}
7615
7616static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007617 .name = DRV_MODULE_NAME,
7618 .id_table = bnx2_pci_tbl,
7619 .probe = bnx2_init_one,
7620 .remove = __devexit_p(bnx2_remove_one),
7621 .suspend = bnx2_suspend,
7622 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07007623};
7624
7625static int __init bnx2_init(void)
7626{
Jeff Garzik29917622006-08-19 17:48:59 -04007627 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007628}
7629
7630static void __exit bnx2_cleanup(void)
7631{
7632 pci_unregister_driver(&bnx2_pci_driver);
7633}
7634
7635module_init(bnx2_init);
7636module_exit(bnx2_cleanup);
7637
7638
7639