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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanfeebb332008-01-21 17:07:29 -08003 * Copyright (c) 2004-2008 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Michael Chanf2a4f052006-03-23 01:13:12 -080012
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15
16#include <linux/kernel.h>
17#include <linux/timer.h>
18#include <linux/errno.h>
19#include <linux/ioport.h>
20#include <linux/slab.h>
21#include <linux/vmalloc.h>
22#include <linux/interrupt.h>
23#include <linux/pci.h>
24#include <linux/init.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/skbuff.h>
28#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070029#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080030#include <asm/io.h>
31#include <asm/irq.h>
32#include <linux/delay.h>
33#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070034#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080035#include <linux/time.h>
36#include <linux/ethtool.h>
37#include <linux/mii.h>
38#ifdef NETIF_F_HW_VLAN_TX
39#include <linux/if_vlan.h>
40#define BCM_VLAN 1
41#endif
Michael Chanf2a4f052006-03-23 01:13:12 -080042#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070043#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080044#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080048#include <linux/cache.h>
Michael Chanfba9fe92006-06-12 22:21:25 -070049#include <linux/zlib.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080050
Michael Chanb6016b72005-05-26 13:03:09 -070051#include "bnx2.h"
52#include "bnx2_fw.h"
Michael Chand43584c2006-11-19 14:14:35 -080053#include "bnx2_fw2.h"
Michael Chanb6016b72005-05-26 13:03:09 -070054
Michael Chan110d0ef2007-12-12 11:18:34 -080055#define FW_BUF_SIZE 0x10000
Denys Vlasenkob3448b02007-09-30 17:55:51 -070056
Michael Chanb6016b72005-05-26 13:03:09 -070057#define DRV_MODULE_NAME "bnx2"
58#define PFX DRV_MODULE_NAME ": "
Michael 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{
Michael Chan583c28e2008-01-21 19:51:35 -08001634 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001635 return bnx2_set_default_remote_link(bp);
1636
Michael Chandeaf3912007-07-07 22:48:00 -07001637 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1638 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001639 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001640 u32 reg;
1641
1642 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1643
Michael Chan2726d6e2008-01-29 21:35:05 -08001644 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001645 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1646 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1647 bp->autoneg = 0;
1648 bp->req_line_speed = bp->line_speed = SPEED_1000;
1649 bp->req_duplex = DUPLEX_FULL;
1650 }
1651 } else
1652 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1653}
1654
Michael Chan0d8a6572007-07-07 22:49:43 -07001655static void
Michael Chandf149d72007-07-07 22:51:36 -07001656bnx2_send_heart_beat(struct bnx2 *bp)
1657{
1658 u32 msg;
1659 u32 addr;
1660
1661 spin_lock(&bp->indirect_lock);
1662 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1663 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1664 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1665 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1666 spin_unlock(&bp->indirect_lock);
1667}
1668
1669static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001670bnx2_remote_phy_event(struct bnx2 *bp)
1671{
1672 u32 msg;
1673 u8 link_up = bp->link_up;
1674 u8 old_port;
1675
Michael Chan2726d6e2008-01-29 21:35:05 -08001676 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001677
Michael Chandf149d72007-07-07 22:51:36 -07001678 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1679 bnx2_send_heart_beat(bp);
1680
1681 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1682
Michael Chan0d8a6572007-07-07 22:49:43 -07001683 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1684 bp->link_up = 0;
1685 else {
1686 u32 speed;
1687
1688 bp->link_up = 1;
1689 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1690 bp->duplex = DUPLEX_FULL;
1691 switch (speed) {
1692 case BNX2_LINK_STATUS_10HALF:
1693 bp->duplex = DUPLEX_HALF;
1694 case BNX2_LINK_STATUS_10FULL:
1695 bp->line_speed = SPEED_10;
1696 break;
1697 case BNX2_LINK_STATUS_100HALF:
1698 bp->duplex = DUPLEX_HALF;
1699 case BNX2_LINK_STATUS_100BASE_T4:
1700 case BNX2_LINK_STATUS_100FULL:
1701 bp->line_speed = SPEED_100;
1702 break;
1703 case BNX2_LINK_STATUS_1000HALF:
1704 bp->duplex = DUPLEX_HALF;
1705 case BNX2_LINK_STATUS_1000FULL:
1706 bp->line_speed = SPEED_1000;
1707 break;
1708 case BNX2_LINK_STATUS_2500HALF:
1709 bp->duplex = DUPLEX_HALF;
1710 case BNX2_LINK_STATUS_2500FULL:
1711 bp->line_speed = SPEED_2500;
1712 break;
1713 default:
1714 bp->line_speed = 0;
1715 break;
1716 }
1717
1718 spin_lock(&bp->phy_lock);
1719 bp->flow_ctrl = 0;
1720 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1721 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1722 if (bp->duplex == DUPLEX_FULL)
1723 bp->flow_ctrl = bp->req_flow_ctrl;
1724 } else {
1725 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1726 bp->flow_ctrl |= FLOW_CTRL_TX;
1727 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1728 bp->flow_ctrl |= FLOW_CTRL_RX;
1729 }
1730
1731 old_port = bp->phy_port;
1732 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1733 bp->phy_port = PORT_FIBRE;
1734 else
1735 bp->phy_port = PORT_TP;
1736
1737 if (old_port != bp->phy_port)
1738 bnx2_set_default_link(bp);
1739
1740 spin_unlock(&bp->phy_lock);
1741 }
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 Chan35efa7c2007-12-20 19:56:37 -08002448 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
Michael Chanda3e4fb2007-05-03 13:24:23 -07002449 spin_lock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07002450 bnx2_set_link(bp);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002451 spin_unlock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07002452 }
Michael Chan35efa7c2007-12-20 19:56:37 -08002453 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002454 bnx2_set_remote_link(bp);
2455
Michael Chanb6016b72005-05-26 13:03:09 -07002456}
2457
Michael Chanead72702007-12-20 19:55:39 -08002458static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002459bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002460{
2461 u16 cons;
2462
Michael Chanc76c0472007-12-20 20:01:19 -08002463 if (bnapi->int_num == 0)
2464 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2465 else
2466 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
Michael Chanead72702007-12-20 19:55:39 -08002467
2468 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2469 cons++;
2470 return cons;
2471}
2472
Michael Chan57851d82007-12-20 20:01:44 -08002473static int
2474bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002475{
2476 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002477 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002478
Michael Chan35efa7c2007-12-20 19:56:37 -08002479 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chana550c992007-12-20 19:56:59 -08002480 sw_cons = bnapi->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002481
2482 while (sw_cons != hw_cons) {
2483 struct sw_bd *tx_buf;
2484 struct sk_buff *skb;
2485 int i, last;
2486
2487 sw_ring_cons = TX_RING_IDX(sw_cons);
2488
2489 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2490 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002491
Michael Chanb6016b72005-05-26 13:03:09 -07002492 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002493 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002494 u16 last_idx, last_ring_idx;
2495
2496 last_idx = sw_cons +
2497 skb_shinfo(skb)->nr_frags + 1;
2498 last_ring_idx = sw_ring_cons +
2499 skb_shinfo(skb)->nr_frags + 1;
2500 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2501 last_idx++;
2502 }
2503 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2504 break;
2505 }
2506 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002507
Michael Chanb6016b72005-05-26 13:03:09 -07002508 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2509 skb_headlen(skb), PCI_DMA_TODEVICE);
2510
2511 tx_buf->skb = NULL;
2512 last = skb_shinfo(skb)->nr_frags;
2513
2514 for (i = 0; i < last; i++) {
2515 sw_cons = NEXT_TX_BD(sw_cons);
2516
2517 pci_unmap_page(bp->pdev,
2518 pci_unmap_addr(
2519 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2520 mapping),
2521 skb_shinfo(skb)->frags[i].size,
2522 PCI_DMA_TODEVICE);
2523 }
2524
2525 sw_cons = NEXT_TX_BD(sw_cons);
2526
Michael Chan745720e2006-06-29 12:37:41 -07002527 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002528 tx_pkt++;
2529 if (tx_pkt == budget)
2530 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002531
Michael Chan35efa7c2007-12-20 19:56:37 -08002532 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002533 }
2534
Michael Chana550c992007-12-20 19:56:59 -08002535 bnapi->hw_tx_cons = hw_cons;
2536 bnapi->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002537 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2538 * before checking for netif_queue_stopped(). Without the
2539 * memory barrier, there is a small possibility that bnx2_start_xmit()
2540 * will miss it and cause the queue to be stopped forever.
2541 */
2542 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002543
Michael Chan2f8af122006-08-15 01:39:10 -07002544 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002545 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002546 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002547 if ((netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002548 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002549 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002550 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002551 }
Michael Chan57851d82007-12-20 20:01:44 -08002552 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002553}
2554
Michael Chan1db82f22007-12-12 11:19:35 -08002555static void
Michael Chana1f60192007-12-20 19:57:19 -08002556bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2557 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002558{
2559 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2560 struct rx_bd *cons_bd, *prod_bd;
2561 dma_addr_t mapping;
2562 int i;
Michael Chana1f60192007-12-20 19:57:19 -08002563 u16 hw_prod = bnapi->rx_pg_prod, prod;
2564 u16 cons = bnapi->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002565
2566 for (i = 0; i < count; i++) {
2567 prod = RX_PG_RING_IDX(hw_prod);
2568
2569 prod_rx_pg = &bp->rx_pg_ring[prod];
2570 cons_rx_pg = &bp->rx_pg_ring[cons];
2571 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2572 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2573
2574 if (i == 0 && skb) {
2575 struct page *page;
2576 struct skb_shared_info *shinfo;
2577
2578 shinfo = skb_shinfo(skb);
2579 shinfo->nr_frags--;
2580 page = shinfo->frags[shinfo->nr_frags].page;
2581 shinfo->frags[shinfo->nr_frags].page = NULL;
2582 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2583 PCI_DMA_FROMDEVICE);
2584 cons_rx_pg->page = page;
2585 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2586 dev_kfree_skb(skb);
2587 }
2588 if (prod != cons) {
2589 prod_rx_pg->page = cons_rx_pg->page;
2590 cons_rx_pg->page = NULL;
2591 pci_unmap_addr_set(prod_rx_pg, mapping,
2592 pci_unmap_addr(cons_rx_pg, mapping));
2593
2594 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2595 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2596
2597 }
2598 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2599 hw_prod = NEXT_RX_BD(hw_prod);
2600 }
Michael Chana1f60192007-12-20 19:57:19 -08002601 bnapi->rx_pg_prod = hw_prod;
2602 bnapi->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002603}
2604
Michael Chanb6016b72005-05-26 13:03:09 -07002605static inline void
Michael Chana1f60192007-12-20 19:57:19 -08002606bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002607 u16 cons, u16 prod)
2608{
Michael Chan236b6392006-03-20 17:49:02 -08002609 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2610 struct rx_bd *cons_bd, *prod_bd;
2611
2612 cons_rx_buf = &bp->rx_buf_ring[cons];
2613 prod_rx_buf = &bp->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002614
2615 pci_dma_sync_single_for_device(bp->pdev,
2616 pci_unmap_addr(cons_rx_buf, mapping),
2617 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2618
Michael Chana1f60192007-12-20 19:57:19 -08002619 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002620
2621 prod_rx_buf->skb = skb;
2622
2623 if (cons == prod)
2624 return;
2625
Michael Chanb6016b72005-05-26 13:03:09 -07002626 pci_unmap_addr_set(prod_rx_buf, mapping,
2627 pci_unmap_addr(cons_rx_buf, mapping));
2628
Michael Chan3fdfcc22006-03-20 17:49:49 -08002629 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2630 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002631 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2632 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002633}
2634
Michael Chan85833c62007-12-12 11:17:01 -08002635static int
Michael Chana1f60192007-12-20 19:57:19 -08002636bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2637 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2638 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002639{
2640 int err;
2641 u16 prod = ring_idx & 0xffff;
2642
Michael Chana1f60192007-12-20 19:57:19 -08002643 err = bnx2_alloc_rx_skb(bp, bnapi, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002644 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002645 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002646 if (hdr_len) {
2647 unsigned int raw_len = len + 4;
2648 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2649
Michael Chana1f60192007-12-20 19:57:19 -08002650 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002651 }
Michael Chan85833c62007-12-12 11:17:01 -08002652 return err;
2653 }
2654
2655 skb_reserve(skb, bp->rx_offset);
2656 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2657 PCI_DMA_FROMDEVICE);
2658
Michael Chan1db82f22007-12-12 11:19:35 -08002659 if (hdr_len == 0) {
2660 skb_put(skb, len);
2661 return 0;
2662 } else {
2663 unsigned int i, frag_len, frag_size, pages;
2664 struct sw_pg *rx_pg;
Michael Chana1f60192007-12-20 19:57:19 -08002665 u16 pg_cons = bnapi->rx_pg_cons;
2666 u16 pg_prod = bnapi->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002667
2668 frag_size = len + 4 - hdr_len;
2669 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2670 skb_put(skb, hdr_len);
2671
2672 for (i = 0; i < pages; i++) {
2673 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2674 if (unlikely(frag_len <= 4)) {
2675 unsigned int tail = 4 - frag_len;
2676
Michael Chana1f60192007-12-20 19:57:19 -08002677 bnapi->rx_pg_cons = pg_cons;
2678 bnapi->rx_pg_prod = pg_prod;
2679 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2680 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002681 skb->len -= tail;
2682 if (i == 0) {
2683 skb->tail -= tail;
2684 } else {
2685 skb_frag_t *frag =
2686 &skb_shinfo(skb)->frags[i - 1];
2687 frag->size -= tail;
2688 skb->data_len -= tail;
2689 skb->truesize -= tail;
2690 }
2691 return 0;
2692 }
2693 rx_pg = &bp->rx_pg_ring[pg_cons];
2694
2695 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2696 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2697
2698 if (i == pages - 1)
2699 frag_len -= 4;
2700
2701 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2702 rx_pg->page = NULL;
2703
2704 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2705 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002706 bnapi->rx_pg_cons = pg_cons;
2707 bnapi->rx_pg_prod = pg_prod;
2708 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2709 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002710 return err;
2711 }
2712
2713 frag_size -= frag_len;
2714 skb->data_len += frag_len;
2715 skb->truesize += frag_len;
2716 skb->len += frag_len;
2717
2718 pg_prod = NEXT_RX_BD(pg_prod);
2719 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2720 }
Michael Chana1f60192007-12-20 19:57:19 -08002721 bnapi->rx_pg_prod = pg_prod;
2722 bnapi->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002723 }
Michael Chan85833c62007-12-12 11:17:01 -08002724 return 0;
2725}
2726
Michael Chanc09c2622007-12-10 17:18:37 -08002727static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002728bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002729{
Michael Chan35efa7c2007-12-20 19:56:37 -08002730 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
Michael Chanc09c2622007-12-10 17:18:37 -08002731
2732 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2733 cons++;
2734 return cons;
2735}
2736
Michael Chanb6016b72005-05-26 13:03:09 -07002737static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002738bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002739{
2740 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2741 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002742 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002743
Michael Chan35efa7c2007-12-20 19:56:37 -08002744 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chana1f60192007-12-20 19:57:19 -08002745 sw_cons = bnapi->rx_cons;
2746 sw_prod = bnapi->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002747
2748 /* Memory barrier necessary as speculative reads of the rx
2749 * buffer can be ahead of the index in the status block
2750 */
2751 rmb();
2752 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002753 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002754 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002755 struct sw_bd *rx_buf;
2756 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002757 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002758
2759 sw_ring_cons = RX_RING_IDX(sw_cons);
2760 sw_ring_prod = RX_RING_IDX(sw_prod);
2761
2762 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2763 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002764
2765 rx_buf->skb = NULL;
2766
2767 dma_addr = pci_unmap_addr(rx_buf, mapping);
2768
2769 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Michael Chanb6016b72005-05-26 13:03:09 -07002770 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2771
2772 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002773 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002774
Michael Chanade2bfe2006-01-23 16:09:51 -08002775 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002776 (L2_FHDR_ERRORS_BAD_CRC |
2777 L2_FHDR_ERRORS_PHY_DECODE |
2778 L2_FHDR_ERRORS_ALIGNMENT |
2779 L2_FHDR_ERRORS_TOO_SHORT |
2780 L2_FHDR_ERRORS_GIANT_FRAME)) {
2781
Michael Chana1f60192007-12-20 19:57:19 -08002782 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2783 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002784 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002785 }
Michael Chan1db82f22007-12-12 11:19:35 -08002786 hdr_len = 0;
2787 if (status & L2_FHDR_STATUS_SPLIT) {
2788 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2789 pg_ring_used = 1;
2790 } else if (len > bp->rx_jumbo_thresh) {
2791 hdr_len = bp->rx_jumbo_thresh;
2792 pg_ring_used = 1;
2793 }
2794
2795 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002796
Michael Chan5d5d0012007-12-12 11:17:43 -08002797 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002798 struct sk_buff *new_skb;
2799
Michael Chan932f3772006-08-15 01:39:36 -07002800 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002801 if (new_skb == NULL) {
Michael Chana1f60192007-12-20 19:57:19 -08002802 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002803 sw_ring_prod);
2804 goto next_rx;
2805 }
Michael Chanb6016b72005-05-26 13:03:09 -07002806
2807 /* aligned copy */
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002808 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2809 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002810 skb_reserve(new_skb, 2);
2811 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002812
Michael Chana1f60192007-12-20 19:57:19 -08002813 bnx2_reuse_rx_skb(bp, bnapi, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002814 sw_ring_cons, sw_ring_prod);
2815
2816 skb = new_skb;
Michael Chana1f60192007-12-20 19:57:19 -08002817 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2818 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002819 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002820
2821 skb->protocol = eth_type_trans(skb, bp->dev);
2822
2823 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002824 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002825
Michael Chan745720e2006-06-29 12:37:41 -07002826 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002827 goto next_rx;
2828
2829 }
2830
Michael Chanb6016b72005-05-26 13:03:09 -07002831 skb->ip_summed = CHECKSUM_NONE;
2832 if (bp->rx_csum &&
2833 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2834 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2835
Michael Chanade2bfe2006-01-23 16:09:51 -08002836 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2837 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002838 skb->ip_summed = CHECKSUM_UNNECESSARY;
2839 }
2840
2841#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002842 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002843 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2844 rx_hdr->l2_fhdr_vlan_tag);
2845 }
2846 else
2847#endif
2848 netif_receive_skb(skb);
2849
2850 bp->dev->last_rx = jiffies;
2851 rx_pkt++;
2852
2853next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002854 sw_cons = NEXT_RX_BD(sw_cons);
2855 sw_prod = NEXT_RX_BD(sw_prod);
2856
2857 if ((rx_pkt == budget))
2858 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002859
2860 /* Refresh hw_cons to see if there is new work */
2861 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002862 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002863 rmb();
2864 }
Michael Chanb6016b72005-05-26 13:03:09 -07002865 }
Michael Chana1f60192007-12-20 19:57:19 -08002866 bnapi->rx_cons = sw_cons;
2867 bnapi->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002868
Michael Chan1db82f22007-12-12 11:19:35 -08002869 if (pg_ring_used)
2870 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
Michael Chana1f60192007-12-20 19:57:19 -08002871 bnapi->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002872
Michael Chanb6016b72005-05-26 13:03:09 -07002873 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2874
Michael Chana1f60192007-12-20 19:57:19 -08002875 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002876
2877 mmiowb();
2878
2879 return rx_pkt;
2880
2881}
2882
2883/* MSI ISR - The only difference between this and the INTx ISR
2884 * is that the MSI interrupt is always serviced.
2885 */
2886static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002887bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002888{
2889 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002890 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002891 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chanb6016b72005-05-26 13:03:09 -07002892
Michael Chan35efa7c2007-12-20 19:56:37 -08002893 prefetch(bnapi->status_blk);
Michael Chanb6016b72005-05-26 13:03:09 -07002894 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2895 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2896 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2897
2898 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002899 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2900 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002901
Michael Chan35efa7c2007-12-20 19:56:37 -08002902 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07002903
Michael Chan73eef4c2005-08-25 15:39:15 -07002904 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002905}
2906
2907static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07002908bnx2_msi_1shot(int irq, void *dev_instance)
2909{
2910 struct net_device *dev = dev_instance;
2911 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002912 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan8e6a72c2007-05-03 13:24:48 -07002913
Michael Chan35efa7c2007-12-20 19:56:37 -08002914 prefetch(bnapi->status_blk);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002915
2916 /* Return here if interrupt is disabled. */
2917 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2918 return IRQ_HANDLED;
2919
Michael Chan35efa7c2007-12-20 19:56:37 -08002920 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002921
2922 return IRQ_HANDLED;
2923}
2924
2925static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002926bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002927{
2928 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002929 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002930 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan35efa7c2007-12-20 19:56:37 -08002931 struct status_block *sblk = bnapi->status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -07002932
2933 /* When using INTx, it is possible for the interrupt to arrive
2934 * at the CPU before the status block posted prior to the
2935 * interrupt. Reading a register will flush the status block.
2936 * When using MSI, the MSI message will always complete after
2937 * the status block write.
2938 */
Michael Chan35efa7c2007-12-20 19:56:37 -08002939 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07002940 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2941 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07002942 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07002943
2944 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2945 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2946 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2947
Michael Chanb8a7ce72007-07-07 22:51:03 -07002948 /* Read back to deassert IRQ immediately to avoid too many
2949 * spurious interrupts.
2950 */
2951 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2952
Michael Chanb6016b72005-05-26 13:03:09 -07002953 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002954 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2955 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002956
Michael Chan35efa7c2007-12-20 19:56:37 -08002957 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2958 bnapi->last_status_idx = sblk->status_idx;
2959 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07002960 }
Michael Chanb6016b72005-05-26 13:03:09 -07002961
Michael Chan73eef4c2005-08-25 15:39:15 -07002962 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002963}
2964
Michael Chan57851d82007-12-20 20:01:44 -08002965static irqreturn_t
2966bnx2_tx_msix(int irq, void *dev_instance)
2967{
2968 struct net_device *dev = dev_instance;
2969 struct bnx2 *bp = netdev_priv(dev);
2970 struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2971
2972 prefetch(bnapi->status_blk_msix);
2973
2974 /* Return here if interrupt is disabled. */
2975 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2976 return IRQ_HANDLED;
2977
2978 netif_rx_schedule(dev, &bnapi->napi);
2979 return IRQ_HANDLED;
2980}
2981
Michael Chan0d8a6572007-07-07 22:49:43 -07002982#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2983 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002984
Michael Chanf4e418f2005-11-04 08:53:48 -08002985static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08002986bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08002987{
Michael Chan1097f5e2008-01-21 17:06:41 -08002988 struct status_block *sblk = bnapi->status_blk;
Michael Chanf4e418f2005-11-04 08:53:48 -08002989
Michael Chana1f60192007-12-20 19:57:19 -08002990 if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
Michael Chana550c992007-12-20 19:56:59 -08002991 (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
Michael Chanf4e418f2005-11-04 08:53:48 -08002992 return 1;
2993
Michael Chanda3e4fb2007-05-03 13:24:23 -07002994 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2995 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08002996 return 1;
2997
2998 return 0;
2999}
3000
Michael Chan57851d82007-12-20 20:01:44 -08003001static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3002{
3003 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3004 struct bnx2 *bp = bnapi->bp;
3005 int work_done = 0;
3006 struct status_block_msix *sblk = bnapi->status_blk_msix;
3007
3008 do {
3009 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3010 if (unlikely(work_done >= budget))
3011 return work_done;
3012
3013 bnapi->last_status_idx = sblk->status_idx;
3014 rmb();
3015 } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3016
3017 netif_rx_complete(bp->dev, napi);
3018 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3019 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3020 bnapi->last_status_idx);
3021 return work_done;
3022}
3023
Michael Chan35efa7c2007-12-20 19:56:37 -08003024static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3025 int work_done, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003026{
Michael Chan35efa7c2007-12-20 19:56:37 -08003027 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003028 u32 status_attn_bits = sblk->status_attn_bits;
3029 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003030
Michael Chanda3e4fb2007-05-03 13:24:23 -07003031 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3032 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003033
Michael Chan35efa7c2007-12-20 19:56:37 -08003034 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003035
3036 /* This is needed to take care of transient status
3037 * during link changes.
3038 */
3039 REG_WR(bp, BNX2_HC_COMMAND,
3040 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3041 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003042 }
3043
Michael Chana550c992007-12-20 19:56:59 -08003044 if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003045 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003046
Michael Chana1f60192007-12-20 19:57:19 -08003047 if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003048 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003049
David S. Miller6f535762007-10-11 18:08:29 -07003050 return work_done;
3051}
Michael Chanf4e418f2005-11-04 08:53:48 -08003052
David S. Miller6f535762007-10-11 18:08:29 -07003053static int bnx2_poll(struct napi_struct *napi, int budget)
3054{
Michael Chan35efa7c2007-12-20 19:56:37 -08003055 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3056 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003057 int work_done = 0;
Michael Chan35efa7c2007-12-20 19:56:37 -08003058 struct status_block *sblk = bnapi->status_blk;
David S. Miller6f535762007-10-11 18:08:29 -07003059
3060 while (1) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003061 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003062
3063 if (unlikely(work_done >= budget))
3064 break;
3065
Michael Chan35efa7c2007-12-20 19:56:37 -08003066 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003067 * much work has been processed, so we must read it before
3068 * checking for more work.
3069 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003070 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003071 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003072 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003073 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003074 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003075 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3076 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003077 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003078 break;
David S. Miller6f535762007-10-11 18:08:29 -07003079 }
3080 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3081 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3082 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003083 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003084
Michael Chan1269a8a2006-01-23 16:11:03 -08003085 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3086 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003087 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003088 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003089 }
Michael Chanb6016b72005-05-26 13:03:09 -07003090 }
3091
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003092 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003093}
3094
Herbert Xu932ff272006-06-09 12:20:56 -07003095/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003096 * from set_multicast.
3097 */
3098static void
3099bnx2_set_rx_mode(struct net_device *dev)
3100{
Michael Chan972ec0d2006-01-23 16:12:43 -08003101 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003102 u32 rx_mode, sort_mode;
3103 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003104
Michael Chanc770a652005-08-25 15:38:39 -07003105 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003106
3107 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3108 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3109 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3110#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003111 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003112 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003113#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003114 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003115 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003116#endif
3117 if (dev->flags & IFF_PROMISC) {
3118 /* Promiscuous mode. */
3119 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003120 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3121 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003122 }
3123 else if (dev->flags & IFF_ALLMULTI) {
3124 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3125 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3126 0xffffffff);
3127 }
3128 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3129 }
3130 else {
3131 /* Accept one or more multicast(s). */
3132 struct dev_mc_list *mclist;
3133 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3134 u32 regidx;
3135 u32 bit;
3136 u32 crc;
3137
3138 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3139
3140 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3141 i++, mclist = mclist->next) {
3142
3143 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3144 bit = crc & 0xff;
3145 regidx = (bit & 0xe0) >> 5;
3146 bit &= 0x1f;
3147 mc_filter[regidx] |= (1 << bit);
3148 }
3149
3150 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3151 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3152 mc_filter[i]);
3153 }
3154
3155 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3156 }
3157
3158 if (rx_mode != bp->rx_mode) {
3159 bp->rx_mode = rx_mode;
3160 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3161 }
3162
3163 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3164 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3165 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3166
Michael Chanc770a652005-08-25 15:38:39 -07003167 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003168}
3169
3170static void
Al Virob491edd2007-12-22 19:44:51 +00003171load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003172 u32 rv2p_proc)
3173{
3174 int i;
3175 u32 val;
3176
3177
3178 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003179 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003180 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003181 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003182 rv2p_code++;
3183
3184 if (rv2p_proc == RV2P_PROC1) {
3185 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3186 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3187 }
3188 else {
3189 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3190 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3191 }
3192 }
3193
3194 /* Reset the processor, un-stall is done later. */
3195 if (rv2p_proc == RV2P_PROC1) {
3196 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3197 }
3198 else {
3199 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3200 }
3201}
3202
Michael Chanaf3ee512006-11-19 14:09:25 -08003203static int
Michael Chanb6016b72005-05-26 13:03:09 -07003204load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3205{
3206 u32 offset;
3207 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003208 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003209
3210 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003211 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003212 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003213 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3214 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003215
3216 /* Load the Text area. */
3217 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003218 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003219 int j;
3220
Michael Chanea1f8d52007-10-02 16:27:35 -07003221 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3222 fw->gz_text_len);
3223 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003224 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003225
Michael Chanb6016b72005-05-26 13:03:09 -07003226 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003227 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003228 }
3229 }
3230
3231 /* Load the Data area. */
3232 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3233 if (fw->data) {
3234 int j;
3235
3236 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003237 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003238 }
3239 }
3240
3241 /* Load the SBSS area. */
3242 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003243 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003244 int j;
3245
3246 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003247 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003248 }
3249 }
3250
3251 /* Load the BSS area. */
3252 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003253 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003254 int j;
3255
3256 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003257 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003258 }
3259 }
3260
3261 /* Load the Read-Only area. */
3262 offset = cpu_reg->spad_base +
3263 (fw->rodata_addr - cpu_reg->mips_view_base);
3264 if (fw->rodata) {
3265 int j;
3266
3267 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003268 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003269 }
3270 }
3271
3272 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003273 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3274 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003275
3276 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003277 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003278 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003279 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3280 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003281
3282 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003283}
3284
Michael Chanfba9fe92006-06-12 22:21:25 -07003285static int
Michael Chanb6016b72005-05-26 13:03:09 -07003286bnx2_init_cpus(struct bnx2 *bp)
3287{
3288 struct cpu_reg cpu_reg;
Michael Chanaf3ee512006-11-19 14:09:25 -08003289 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003290 int rc, rv2p_len;
3291 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003292
3293 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003294 text = vmalloc(FW_BUF_SIZE);
3295 if (!text)
3296 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003297 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3298 rv2p = bnx2_xi_rv2p_proc1;
3299 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3300 } else {
3301 rv2p = bnx2_rv2p_proc1;
3302 rv2p_len = sizeof(bnx2_rv2p_proc1);
3303 }
3304 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003305 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003306 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003307
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003308 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003309
Michael Chan110d0ef2007-12-12 11:18:34 -08003310 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3311 rv2p = bnx2_xi_rv2p_proc2;
3312 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3313 } else {
3314 rv2p = bnx2_rv2p_proc2;
3315 rv2p_len = sizeof(bnx2_rv2p_proc2);
3316 }
3317 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003318 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003319 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003320
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003321 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003322
3323 /* Initialize the RX Processor. */
3324 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3325 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3326 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3327 cpu_reg.state = BNX2_RXP_CPU_STATE;
3328 cpu_reg.state_value_clear = 0xffffff;
3329 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3330 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3331 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3332 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3333 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3334 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3335 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003336
Michael Chand43584c2006-11-19 14:14:35 -08003337 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3338 fw = &bnx2_rxp_fw_09;
3339 else
3340 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003341
Michael Chanea1f8d52007-10-02 16:27:35 -07003342 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003343 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003344 if (rc)
3345 goto init_cpu_err;
3346
Michael Chanb6016b72005-05-26 13:03:09 -07003347 /* Initialize the TX Processor. */
3348 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3349 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3350 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3351 cpu_reg.state = BNX2_TXP_CPU_STATE;
3352 cpu_reg.state_value_clear = 0xffffff;
3353 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3354 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3355 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3356 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3357 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3358 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3359 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003360
Michael Chand43584c2006-11-19 14:14:35 -08003361 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3362 fw = &bnx2_txp_fw_09;
3363 else
3364 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003365
Michael Chanea1f8d52007-10-02 16:27:35 -07003366 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003367 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003368 if (rc)
3369 goto init_cpu_err;
3370
Michael Chanb6016b72005-05-26 13:03:09 -07003371 /* Initialize the TX Patch-up Processor. */
3372 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3373 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3374 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3375 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3376 cpu_reg.state_value_clear = 0xffffff;
3377 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3378 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3379 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3380 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3381 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3382 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3383 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003384
Michael Chand43584c2006-11-19 14:14:35 -08003385 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3386 fw = &bnx2_tpat_fw_09;
3387 else
3388 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003389
Michael Chanea1f8d52007-10-02 16:27:35 -07003390 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003391 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003392 if (rc)
3393 goto init_cpu_err;
3394
Michael Chanb6016b72005-05-26 13:03:09 -07003395 /* Initialize the Completion Processor. */
3396 cpu_reg.mode = BNX2_COM_CPU_MODE;
3397 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3398 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3399 cpu_reg.state = BNX2_COM_CPU_STATE;
3400 cpu_reg.state_value_clear = 0xffffff;
3401 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3402 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3403 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3404 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3405 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3406 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3407 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003408
Michael Chand43584c2006-11-19 14:14:35 -08003409 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3410 fw = &bnx2_com_fw_09;
3411 else
3412 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003413
Michael Chanea1f8d52007-10-02 16:27:35 -07003414 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003415 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003416 if (rc)
3417 goto init_cpu_err;
3418
Michael Chand43584c2006-11-19 14:14:35 -08003419 /* Initialize the Command Processor. */
3420 cpu_reg.mode = BNX2_CP_CPU_MODE;
3421 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3422 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3423 cpu_reg.state = BNX2_CP_CPU_STATE;
3424 cpu_reg.state_value_clear = 0xffffff;
3425 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3426 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3427 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3428 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3429 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3430 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3431 cpu_reg.mips_view_base = 0x8000000;
Michael Chanb6016b72005-05-26 13:03:09 -07003432
Michael Chan110d0ef2007-12-12 11:18:34 -08003433 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003434 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003435 else
3436 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003437
Michael Chan110d0ef2007-12-12 11:18:34 -08003438 fw->text = text;
3439 rc = load_cpu_fw(bp, &cpu_reg, fw);
3440
Michael Chanfba9fe92006-06-12 22:21:25 -07003441init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003442 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003443 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003444}
3445
3446static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003447bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003448{
3449 u16 pmcsr;
3450
3451 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3452
3453 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003454 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003455 u32 val;
3456
3457 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3458 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3459 PCI_PM_CTRL_PME_STATUS);
3460
3461 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3462 /* delay required during transition out of D3hot */
3463 msleep(20);
3464
3465 val = REG_RD(bp, BNX2_EMAC_MODE);
3466 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3467 val &= ~BNX2_EMAC_MODE_MPKT;
3468 REG_WR(bp, BNX2_EMAC_MODE, val);
3469
3470 val = REG_RD(bp, BNX2_RPM_CONFIG);
3471 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3472 REG_WR(bp, BNX2_RPM_CONFIG, val);
3473 break;
3474 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003475 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003476 int i;
3477 u32 val, wol_msg;
3478
3479 if (bp->wol) {
3480 u32 advertising;
3481 u8 autoneg;
3482
3483 autoneg = bp->autoneg;
3484 advertising = bp->advertising;
3485
Michael Chan239cd342007-10-17 19:26:15 -07003486 if (bp->phy_port == PORT_TP) {
3487 bp->autoneg = AUTONEG_SPEED;
3488 bp->advertising = ADVERTISED_10baseT_Half |
3489 ADVERTISED_10baseT_Full |
3490 ADVERTISED_100baseT_Half |
3491 ADVERTISED_100baseT_Full |
3492 ADVERTISED_Autoneg;
3493 }
Michael Chanb6016b72005-05-26 13:03:09 -07003494
Michael Chan239cd342007-10-17 19:26:15 -07003495 spin_lock_bh(&bp->phy_lock);
3496 bnx2_setup_phy(bp, bp->phy_port);
3497 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003498
3499 bp->autoneg = autoneg;
3500 bp->advertising = advertising;
3501
3502 bnx2_set_mac_addr(bp);
3503
3504 val = REG_RD(bp, BNX2_EMAC_MODE);
3505
3506 /* Enable port mode. */
3507 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003508 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003509 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003510 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003511 if (bp->phy_port == PORT_TP)
3512 val |= BNX2_EMAC_MODE_PORT_MII;
3513 else {
3514 val |= BNX2_EMAC_MODE_PORT_GMII;
3515 if (bp->line_speed == SPEED_2500)
3516 val |= BNX2_EMAC_MODE_25G_MODE;
3517 }
Michael Chanb6016b72005-05-26 13:03:09 -07003518
3519 REG_WR(bp, BNX2_EMAC_MODE, val);
3520
3521 /* receive all multicast */
3522 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3523 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3524 0xffffffff);
3525 }
3526 REG_WR(bp, BNX2_EMAC_RX_MODE,
3527 BNX2_EMAC_RX_MODE_SORT_MODE);
3528
3529 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3530 BNX2_RPM_SORT_USER0_MC_EN;
3531 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3532 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3533 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3534 BNX2_RPM_SORT_USER0_ENA);
3535
3536 /* Need to enable EMAC and RPM for WOL. */
3537 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3538 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3539 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3540 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3541
3542 val = REG_RD(bp, BNX2_RPM_CONFIG);
3543 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3544 REG_WR(bp, BNX2_RPM_CONFIG, val);
3545
3546 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3547 }
3548 else {
3549 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3550 }
3551
David S. Millerf86e82f2008-01-21 17:15:40 -08003552 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003553 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003554
3555 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3556 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3557 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3558
3559 if (bp->wol)
3560 pmcsr |= 3;
3561 }
3562 else {
3563 pmcsr |= 3;
3564 }
3565 if (bp->wol) {
3566 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3567 }
3568 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3569 pmcsr);
3570
3571 /* No more memory access after this point until
3572 * device is brought back to D0.
3573 */
3574 udelay(50);
3575 break;
3576 }
3577 default:
3578 return -EINVAL;
3579 }
3580 return 0;
3581}
3582
3583static int
3584bnx2_acquire_nvram_lock(struct bnx2 *bp)
3585{
3586 u32 val;
3587 int j;
3588
3589 /* Request access to the flash interface. */
3590 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3591 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3592 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3593 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3594 break;
3595
3596 udelay(5);
3597 }
3598
3599 if (j >= NVRAM_TIMEOUT_COUNT)
3600 return -EBUSY;
3601
3602 return 0;
3603}
3604
3605static int
3606bnx2_release_nvram_lock(struct bnx2 *bp)
3607{
3608 int j;
3609 u32 val;
3610
3611 /* Relinquish nvram interface. */
3612 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3613
3614 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3615 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3616 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3617 break;
3618
3619 udelay(5);
3620 }
3621
3622 if (j >= NVRAM_TIMEOUT_COUNT)
3623 return -EBUSY;
3624
3625 return 0;
3626}
3627
3628
3629static int
3630bnx2_enable_nvram_write(struct bnx2 *bp)
3631{
3632 u32 val;
3633
3634 val = REG_RD(bp, BNX2_MISC_CFG);
3635 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3636
Michael Chane30372c2007-07-16 18:26:23 -07003637 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003638 int j;
3639
3640 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3641 REG_WR(bp, BNX2_NVM_COMMAND,
3642 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3643
3644 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3645 udelay(5);
3646
3647 val = REG_RD(bp, BNX2_NVM_COMMAND);
3648 if (val & BNX2_NVM_COMMAND_DONE)
3649 break;
3650 }
3651
3652 if (j >= NVRAM_TIMEOUT_COUNT)
3653 return -EBUSY;
3654 }
3655 return 0;
3656}
3657
3658static void
3659bnx2_disable_nvram_write(struct bnx2 *bp)
3660{
3661 u32 val;
3662
3663 val = REG_RD(bp, BNX2_MISC_CFG);
3664 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3665}
3666
3667
3668static void
3669bnx2_enable_nvram_access(struct bnx2 *bp)
3670{
3671 u32 val;
3672
3673 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3674 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003675 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003676 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3677}
3678
3679static void
3680bnx2_disable_nvram_access(struct bnx2 *bp)
3681{
3682 u32 val;
3683
3684 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3685 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003686 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003687 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3688 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3689}
3690
3691static int
3692bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3693{
3694 u32 cmd;
3695 int j;
3696
Michael Chane30372c2007-07-16 18:26:23 -07003697 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003698 /* Buffered flash, no erase needed */
3699 return 0;
3700
3701 /* Build an erase command */
3702 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3703 BNX2_NVM_COMMAND_DOIT;
3704
3705 /* Need to clear DONE bit separately. */
3706 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3707
3708 /* Address of the NVRAM to read from. */
3709 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3710
3711 /* Issue an erase command. */
3712 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3713
3714 /* Wait for completion. */
3715 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3716 u32 val;
3717
3718 udelay(5);
3719
3720 val = REG_RD(bp, BNX2_NVM_COMMAND);
3721 if (val & BNX2_NVM_COMMAND_DONE)
3722 break;
3723 }
3724
3725 if (j >= NVRAM_TIMEOUT_COUNT)
3726 return -EBUSY;
3727
3728 return 0;
3729}
3730
3731static int
3732bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3733{
3734 u32 cmd;
3735 int j;
3736
3737 /* Build the command word. */
3738 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3739
Michael Chane30372c2007-07-16 18:26:23 -07003740 /* Calculate an offset of a buffered flash, not needed for 5709. */
3741 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003742 offset = ((offset / bp->flash_info->page_size) <<
3743 bp->flash_info->page_bits) +
3744 (offset % bp->flash_info->page_size);
3745 }
3746
3747 /* Need to clear DONE bit separately. */
3748 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3749
3750 /* Address of the NVRAM to read from. */
3751 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3752
3753 /* Issue a read command. */
3754 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3755
3756 /* Wait for completion. */
3757 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3758 u32 val;
3759
3760 udelay(5);
3761
3762 val = REG_RD(bp, BNX2_NVM_COMMAND);
3763 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003764 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3765 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003766 break;
3767 }
3768 }
3769 if (j >= NVRAM_TIMEOUT_COUNT)
3770 return -EBUSY;
3771
3772 return 0;
3773}
3774
3775
3776static int
3777bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3778{
Al Virob491edd2007-12-22 19:44:51 +00003779 u32 cmd;
3780 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003781 int j;
3782
3783 /* Build the command word. */
3784 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3785
Michael Chane30372c2007-07-16 18:26:23 -07003786 /* Calculate an offset of a buffered flash, not needed for 5709. */
3787 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003788 offset = ((offset / bp->flash_info->page_size) <<
3789 bp->flash_info->page_bits) +
3790 (offset % bp->flash_info->page_size);
3791 }
3792
3793 /* Need to clear DONE bit separately. */
3794 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3795
3796 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003797
3798 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003799 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003800
3801 /* Address of the NVRAM to write to. */
3802 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3803
3804 /* Issue the write command. */
3805 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3806
3807 /* Wait for completion. */
3808 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3809 udelay(5);
3810
3811 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3812 break;
3813 }
3814 if (j >= NVRAM_TIMEOUT_COUNT)
3815 return -EBUSY;
3816
3817 return 0;
3818}
3819
3820static int
3821bnx2_init_nvram(struct bnx2 *bp)
3822{
3823 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003824 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003825 struct flash_spec *flash;
3826
Michael Chane30372c2007-07-16 18:26:23 -07003827 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3828 bp->flash_info = &flash_5709;
3829 goto get_flash_size;
3830 }
3831
Michael Chanb6016b72005-05-26 13:03:09 -07003832 /* Determine the selected interface. */
3833 val = REG_RD(bp, BNX2_NVM_CFG1);
3834
Denis Chengff8ac602007-09-02 18:30:18 +08003835 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003836
Michael Chanb6016b72005-05-26 13:03:09 -07003837 if (val & 0x40000000) {
3838
3839 /* Flash interface has been reconfigured */
3840 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003841 j++, flash++) {
3842 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3843 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003844 bp->flash_info = flash;
3845 break;
3846 }
3847 }
3848 }
3849 else {
Michael Chan37137702005-11-04 08:49:17 -08003850 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003851 /* Not yet been reconfigured */
3852
Michael Chan37137702005-11-04 08:49:17 -08003853 if (val & (1 << 23))
3854 mask = FLASH_BACKUP_STRAP_MASK;
3855 else
3856 mask = FLASH_STRAP_MASK;
3857
Michael Chanb6016b72005-05-26 13:03:09 -07003858 for (j = 0, flash = &flash_table[0]; j < entry_count;
3859 j++, flash++) {
3860
Michael Chan37137702005-11-04 08:49:17 -08003861 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003862 bp->flash_info = flash;
3863
3864 /* Request access to the flash interface. */
3865 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3866 return rc;
3867
3868 /* Enable access to flash interface */
3869 bnx2_enable_nvram_access(bp);
3870
3871 /* Reconfigure the flash interface */
3872 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3873 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3874 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3875 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3876
3877 /* Disable access to flash interface */
3878 bnx2_disable_nvram_access(bp);
3879 bnx2_release_nvram_lock(bp);
3880
3881 break;
3882 }
3883 }
3884 } /* if (val & 0x40000000) */
3885
3886 if (j == entry_count) {
3887 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003888 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003889 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003890 }
3891
Michael Chane30372c2007-07-16 18:26:23 -07003892get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003893 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003894 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3895 if (val)
3896 bp->flash_size = val;
3897 else
3898 bp->flash_size = bp->flash_info->total_size;
3899
Michael Chanb6016b72005-05-26 13:03:09 -07003900 return rc;
3901}
3902
3903static int
3904bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3905 int buf_size)
3906{
3907 int rc = 0;
3908 u32 cmd_flags, offset32, len32, extra;
3909
3910 if (buf_size == 0)
3911 return 0;
3912
3913 /* Request access to the flash interface. */
3914 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3915 return rc;
3916
3917 /* Enable access to flash interface */
3918 bnx2_enable_nvram_access(bp);
3919
3920 len32 = buf_size;
3921 offset32 = offset;
3922 extra = 0;
3923
3924 cmd_flags = 0;
3925
3926 if (offset32 & 3) {
3927 u8 buf[4];
3928 u32 pre_len;
3929
3930 offset32 &= ~3;
3931 pre_len = 4 - (offset & 3);
3932
3933 if (pre_len >= len32) {
3934 pre_len = len32;
3935 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3936 BNX2_NVM_COMMAND_LAST;
3937 }
3938 else {
3939 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3940 }
3941
3942 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3943
3944 if (rc)
3945 return rc;
3946
3947 memcpy(ret_buf, buf + (offset & 3), pre_len);
3948
3949 offset32 += 4;
3950 ret_buf += pre_len;
3951 len32 -= pre_len;
3952 }
3953 if (len32 & 3) {
3954 extra = 4 - (len32 & 3);
3955 len32 = (len32 + 4) & ~3;
3956 }
3957
3958 if (len32 == 4) {
3959 u8 buf[4];
3960
3961 if (cmd_flags)
3962 cmd_flags = BNX2_NVM_COMMAND_LAST;
3963 else
3964 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3965 BNX2_NVM_COMMAND_LAST;
3966
3967 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3968
3969 memcpy(ret_buf, buf, 4 - extra);
3970 }
3971 else if (len32 > 0) {
3972 u8 buf[4];
3973
3974 /* Read the first word. */
3975 if (cmd_flags)
3976 cmd_flags = 0;
3977 else
3978 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3979
3980 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3981
3982 /* Advance to the next dword. */
3983 offset32 += 4;
3984 ret_buf += 4;
3985 len32 -= 4;
3986
3987 while (len32 > 4 && rc == 0) {
3988 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3989
3990 /* Advance to the next dword. */
3991 offset32 += 4;
3992 ret_buf += 4;
3993 len32 -= 4;
3994 }
3995
3996 if (rc)
3997 return rc;
3998
3999 cmd_flags = BNX2_NVM_COMMAND_LAST;
4000 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4001
4002 memcpy(ret_buf, buf, 4 - extra);
4003 }
4004
4005 /* Disable access to flash interface */
4006 bnx2_disable_nvram_access(bp);
4007
4008 bnx2_release_nvram_lock(bp);
4009
4010 return rc;
4011}
4012
4013static int
4014bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4015 int buf_size)
4016{
4017 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004018 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004019 int rc = 0;
4020 int align_start, align_end;
4021
4022 buf = data_buf;
4023 offset32 = offset;
4024 len32 = buf_size;
4025 align_start = align_end = 0;
4026
4027 if ((align_start = (offset32 & 3))) {
4028 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004029 len32 += align_start;
4030 if (len32 < 4)
4031 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004032 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4033 return rc;
4034 }
4035
4036 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004037 align_end = 4 - (len32 & 3);
4038 len32 += align_end;
4039 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4040 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004041 }
4042
4043 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004044 align_buf = kmalloc(len32, GFP_KERNEL);
4045 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004046 return -ENOMEM;
4047 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004048 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004049 }
4050 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004051 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004052 }
Michael Chane6be7632007-01-08 19:56:13 -08004053 memcpy(align_buf + align_start, data_buf, buf_size);
4054 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004055 }
4056
Michael Chane30372c2007-07-16 18:26:23 -07004057 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004058 flash_buffer = kmalloc(264, GFP_KERNEL);
4059 if (flash_buffer == NULL) {
4060 rc = -ENOMEM;
4061 goto nvram_write_end;
4062 }
4063 }
4064
Michael Chanb6016b72005-05-26 13:03:09 -07004065 written = 0;
4066 while ((written < len32) && (rc == 0)) {
4067 u32 page_start, page_end, data_start, data_end;
4068 u32 addr, cmd_flags;
4069 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004070
4071 /* Find the page_start addr */
4072 page_start = offset32 + written;
4073 page_start -= (page_start % bp->flash_info->page_size);
4074 /* Find the page_end addr */
4075 page_end = page_start + bp->flash_info->page_size;
4076 /* Find the data_start addr */
4077 data_start = (written == 0) ? offset32 : page_start;
4078 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004079 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004080 (offset32 + len32) : page_end;
4081
4082 /* Request access to the flash interface. */
4083 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4084 goto nvram_write_end;
4085
4086 /* Enable access to flash interface */
4087 bnx2_enable_nvram_access(bp);
4088
4089 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004090 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004091 int j;
4092
4093 /* Read the whole page into the buffer
4094 * (non-buffer flash only) */
4095 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4096 if (j == (bp->flash_info->page_size - 4)) {
4097 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4098 }
4099 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004100 page_start + j,
4101 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004102 cmd_flags);
4103
4104 if (rc)
4105 goto nvram_write_end;
4106
4107 cmd_flags = 0;
4108 }
4109 }
4110
4111 /* Enable writes to flash interface (unlock write-protect) */
4112 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4113 goto nvram_write_end;
4114
Michael Chanb6016b72005-05-26 13:03:09 -07004115 /* Loop to write back the buffer data from page_start to
4116 * data_start */
4117 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004118 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004119 /* Erase the page */
4120 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4121 goto nvram_write_end;
4122
4123 /* Re-enable the write again for the actual write */
4124 bnx2_enable_nvram_write(bp);
4125
Michael Chanb6016b72005-05-26 13:03:09 -07004126 for (addr = page_start; addr < data_start;
4127 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004128
Michael Chanb6016b72005-05-26 13:03:09 -07004129 rc = bnx2_nvram_write_dword(bp, addr,
4130 &flash_buffer[i], cmd_flags);
4131
4132 if (rc != 0)
4133 goto nvram_write_end;
4134
4135 cmd_flags = 0;
4136 }
4137 }
4138
4139 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004140 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004141 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004142 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004143 (addr == data_end - 4))) {
4144
4145 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4146 }
4147 rc = bnx2_nvram_write_dword(bp, addr, buf,
4148 cmd_flags);
4149
4150 if (rc != 0)
4151 goto nvram_write_end;
4152
4153 cmd_flags = 0;
4154 buf += 4;
4155 }
4156
4157 /* Loop to write back the buffer data from data_end
4158 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004159 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004160 for (addr = data_end; addr < page_end;
4161 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004162
Michael Chanb6016b72005-05-26 13:03:09 -07004163 if (addr == page_end-4) {
4164 cmd_flags = BNX2_NVM_COMMAND_LAST;
4165 }
4166 rc = bnx2_nvram_write_dword(bp, addr,
4167 &flash_buffer[i], cmd_flags);
4168
4169 if (rc != 0)
4170 goto nvram_write_end;
4171
4172 cmd_flags = 0;
4173 }
4174 }
4175
4176 /* Disable writes to flash interface (lock write-protect) */
4177 bnx2_disable_nvram_write(bp);
4178
4179 /* Disable access to flash interface */
4180 bnx2_disable_nvram_access(bp);
4181 bnx2_release_nvram_lock(bp);
4182
4183 /* Increment written */
4184 written += data_end - data_start;
4185 }
4186
4187nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004188 kfree(flash_buffer);
4189 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004190 return rc;
4191}
4192
Michael Chan0d8a6572007-07-07 22:49:43 -07004193static void
4194bnx2_init_remote_phy(struct bnx2 *bp)
4195{
4196 u32 val;
4197
Michael Chan583c28e2008-01-21 19:51:35 -08004198 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4199 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004200 return;
4201
Michael Chan2726d6e2008-01-29 21:35:05 -08004202 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004203 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4204 return;
4205
4206 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004207 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004208
Michael Chan2726d6e2008-01-29 21:35:05 -08004209 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004210 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4211 bp->phy_port = PORT_FIBRE;
4212 else
4213 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004214
4215 if (netif_running(bp->dev)) {
4216 u32 sig;
4217
4218 if (val & BNX2_LINK_STATUS_LINK_UP) {
4219 bp->link_up = 1;
4220 netif_carrier_on(bp->dev);
4221 } else {
4222 bp->link_up = 0;
4223 netif_carrier_off(bp->dev);
4224 }
4225 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4226 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004227 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004228 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004229 }
4230}
4231
Michael Chanb4b36042007-12-20 19:59:30 -08004232static void
4233bnx2_setup_msix_tbl(struct bnx2 *bp)
4234{
4235 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4236
4237 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4238 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4239}
4240
Michael Chanb6016b72005-05-26 13:03:09 -07004241static int
4242bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4243{
4244 u32 val;
4245 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004246 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004247
4248 /* Wait for the current PCI transaction to complete before
4249 * issuing a reset. */
4250 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4251 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4252 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4253 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4254 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4255 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4256 udelay(5);
4257
Michael Chanb090ae22006-01-23 16:07:10 -08004258 /* Wait for the firmware to tell us it is ok to issue a reset. */
4259 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4260
Michael Chanb6016b72005-05-26 13:03:09 -07004261 /* Deposit a driver reset signature so the firmware knows that
4262 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004263 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4264 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004265
Michael Chanb6016b72005-05-26 13:03:09 -07004266 /* Do a dummy read to force the chip to complete all current transaction
4267 * before we issue a reset. */
4268 val = REG_RD(bp, BNX2_MISC_ID);
4269
Michael Chan234754d2006-11-19 14:11:41 -08004270 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4271 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4272 REG_RD(bp, BNX2_MISC_COMMAND);
4273 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004274
Michael Chan234754d2006-11-19 14:11:41 -08004275 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4276 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004277
Michael Chan234754d2006-11-19 14:11:41 -08004278 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004279
Michael Chan234754d2006-11-19 14:11:41 -08004280 } else {
4281 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4282 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4283 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4284
4285 /* Chip reset. */
4286 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4287
Michael Chan594a9df2007-08-28 15:39:42 -07004288 /* Reading back any register after chip reset will hang the
4289 * bus on 5706 A0 and A1. The msleep below provides plenty
4290 * of margin for write posting.
4291 */
Michael Chan234754d2006-11-19 14:11:41 -08004292 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004293 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4294 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004295
Michael Chan234754d2006-11-19 14:11:41 -08004296 /* Reset takes approximate 30 usec */
4297 for (i = 0; i < 10; i++) {
4298 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4299 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4300 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4301 break;
4302 udelay(10);
4303 }
4304
4305 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4306 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4307 printk(KERN_ERR PFX "Chip reset did not complete\n");
4308 return -EBUSY;
4309 }
Michael Chanb6016b72005-05-26 13:03:09 -07004310 }
4311
4312 /* Make sure byte swapping is properly configured. */
4313 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4314 if (val != 0x01020304) {
4315 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4316 return -ENODEV;
4317 }
4318
Michael Chanb6016b72005-05-26 13:03:09 -07004319 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004320 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4321 if (rc)
4322 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004323
Michael Chan0d8a6572007-07-07 22:49:43 -07004324 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004325 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004326 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004327 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4328 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004329 bnx2_set_default_remote_link(bp);
4330 spin_unlock_bh(&bp->phy_lock);
4331
Michael Chanb6016b72005-05-26 13:03:09 -07004332 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4333 /* Adjust the voltage regular to two steps lower. The default
4334 * of this register is 0x0000000e. */
4335 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4336
4337 /* Remove bad rbuf memory from the free pool. */
4338 rc = bnx2_alloc_bad_rbuf(bp);
4339 }
4340
David S. Millerf86e82f2008-01-21 17:15:40 -08004341 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004342 bnx2_setup_msix_tbl(bp);
4343
Michael Chanb6016b72005-05-26 13:03:09 -07004344 return rc;
4345}
4346
4347static int
4348bnx2_init_chip(struct bnx2 *bp)
4349{
4350 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004351 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004352
4353 /* Make sure the interrupt is not active. */
4354 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4355
4356 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4357 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4358#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004359 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004360#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004361 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004362 DMA_READ_CHANS << 12 |
4363 DMA_WRITE_CHANS << 16;
4364
4365 val |= (0x2 << 20) | (1 << 11);
4366
David S. Millerf86e82f2008-01-21 17:15:40 -08004367 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004368 val |= (1 << 23);
4369
4370 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004371 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004372 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4373
4374 REG_WR(bp, BNX2_DMA_CONFIG, val);
4375
4376 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4377 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4378 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4379 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4380 }
4381
David S. Millerf86e82f2008-01-21 17:15:40 -08004382 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004383 u16 val16;
4384
4385 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4386 &val16);
4387 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4388 val16 & ~PCI_X_CMD_ERO);
4389 }
4390
4391 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4392 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4393 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4394 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4395
4396 /* Initialize context mapping and zero out the quick contexts. The
4397 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004398 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4399 rc = bnx2_init_5709_context(bp);
4400 if (rc)
4401 return rc;
4402 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004403 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004404
Michael Chanfba9fe92006-06-12 22:21:25 -07004405 if ((rc = bnx2_init_cpus(bp)) != 0)
4406 return rc;
4407
Michael Chanb6016b72005-05-26 13:03:09 -07004408 bnx2_init_nvram(bp);
4409
4410 bnx2_set_mac_addr(bp);
4411
4412 val = REG_RD(bp, BNX2_MQ_CONFIG);
4413 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4414 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004415 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4416 val |= BNX2_MQ_CONFIG_HALT_DIS;
4417
Michael Chanb6016b72005-05-26 13:03:09 -07004418 REG_WR(bp, BNX2_MQ_CONFIG, val);
4419
4420 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4421 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4422 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4423
4424 val = (BCM_PAGE_BITS - 8) << 24;
4425 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4426
4427 /* Configure page size. */
4428 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4429 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4430 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4431 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4432
4433 val = bp->mac_addr[0] +
4434 (bp->mac_addr[1] << 8) +
4435 (bp->mac_addr[2] << 16) +
4436 bp->mac_addr[3] +
4437 (bp->mac_addr[4] << 8) +
4438 (bp->mac_addr[5] << 16);
4439 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4440
4441 /* Program the MTU. Also include 4 bytes for CRC32. */
4442 val = bp->dev->mtu + ETH_HLEN + 4;
4443 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4444 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4445 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4446
Michael Chanb4b36042007-12-20 19:59:30 -08004447 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4448 bp->bnx2_napi[i].last_status_idx = 0;
4449
Michael Chanb6016b72005-05-26 13:03:09 -07004450 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4451
4452 /* Set up how to generate a link change interrupt. */
4453 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4454
4455 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4456 (u64) bp->status_blk_mapping & 0xffffffff);
4457 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4458
4459 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4460 (u64) bp->stats_blk_mapping & 0xffffffff);
4461 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4462 (u64) bp->stats_blk_mapping >> 32);
4463
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004464 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004465 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4466
4467 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4468 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4469
4470 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4471 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4472
4473 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4474
4475 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4476
4477 REG_WR(bp, BNX2_HC_COM_TICKS,
4478 (bp->com_ticks_int << 16) | bp->com_ticks);
4479
4480 REG_WR(bp, BNX2_HC_CMD_TICKS,
4481 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4482
Michael Chan02537b062007-06-04 21:24:07 -07004483 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4484 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4485 else
Michael Chan7ea69202007-07-16 18:27:10 -07004486 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004487 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4488
4489 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004490 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004491 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004492 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4493 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004494 }
4495
David S. Millerf86e82f2008-01-21 17:15:40 -08004496 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chan6f743ca2008-01-29 21:34:08 -08004497 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4498 BNX2_HC_SB_CONFIG_1;
4499
Michael Chanc76c0472007-12-20 20:01:19 -08004500 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4501 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4502
Michael Chan6f743ca2008-01-29 21:34:08 -08004503 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004504 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4505 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4506
Michael Chan6f743ca2008-01-29 21:34:08 -08004507 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004508 (bp->tx_quick_cons_trip_int << 16) |
4509 bp->tx_quick_cons_trip);
4510
Michael Chan6f743ca2008-01-29 21:34:08 -08004511 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004512 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4513
4514 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4515 }
4516
David S. Millerf86e82f2008-01-21 17:15:40 -08004517 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004518 val |= BNX2_HC_CONFIG_ONE_SHOT;
4519
4520 REG_WR(bp, BNX2_HC_CONFIG, val);
4521
Michael Chanb6016b72005-05-26 13:03:09 -07004522 /* Clear internal stats counters. */
4523 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4524
Michael Chanda3e4fb2007-05-03 13:24:23 -07004525 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004526
4527 /* Initialize the receive filter. */
4528 bnx2_set_rx_mode(bp->dev);
4529
Michael Chan0aa38df2007-06-04 21:23:06 -07004530 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4531 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4532 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4533 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4534 }
Michael Chanb090ae22006-01-23 16:07:10 -08004535 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4536 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004537
Michael Chandf149d72007-07-07 22:51:36 -07004538 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004539 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4540
4541 udelay(20);
4542
Michael Chanbf5295b2006-03-23 01:11:56 -08004543 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4544
Michael Chanb090ae22006-01-23 16:07:10 -08004545 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004546}
4547
Michael Chan59b47d82006-11-19 14:10:45 -08004548static void
Michael Chanc76c0472007-12-20 20:01:19 -08004549bnx2_clear_ring_states(struct bnx2 *bp)
4550{
4551 struct bnx2_napi *bnapi;
4552 int i;
4553
4554 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4555 bnapi = &bp->bnx2_napi[i];
4556
4557 bnapi->tx_cons = 0;
4558 bnapi->hw_tx_cons = 0;
4559 bnapi->rx_prod_bseq = 0;
4560 bnapi->rx_prod = 0;
4561 bnapi->rx_cons = 0;
4562 bnapi->rx_pg_prod = 0;
4563 bnapi->rx_pg_cons = 0;
4564 }
4565}
4566
4567static void
Michael Chan59b47d82006-11-19 14:10:45 -08004568bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4569{
4570 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004571 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004572
4573 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4574 offset0 = BNX2_L2CTX_TYPE_XI;
4575 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4576 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4577 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4578 } else {
4579 offset0 = BNX2_L2CTX_TYPE;
4580 offset1 = BNX2_L2CTX_CMD_TYPE;
4581 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4582 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4583 }
4584 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004585 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004586
4587 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004588 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004589
4590 val = (u64) bp->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004591 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004592
4593 val = (u64) bp->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004594 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004595}
Michael Chanb6016b72005-05-26 13:03:09 -07004596
4597static void
4598bnx2_init_tx_ring(struct bnx2 *bp)
4599{
4600 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004601 u32 cid = TX_CID;
4602 struct bnx2_napi *bnapi;
4603
4604 bp->tx_vec = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004605 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004606 cid = TX_TSS_CID;
4607 bp->tx_vec = BNX2_TX_VEC;
4608 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4609 (TX_TSS_CID << 7));
4610 }
4611 bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07004612
Michael Chan2f8af122006-08-15 01:39:10 -07004613 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4614
Michael Chanb6016b72005-05-26 13:03:09 -07004615 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004616
Michael Chanb6016b72005-05-26 13:03:09 -07004617 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4618 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4619
4620 bp->tx_prod = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004621 bp->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004622
Michael Chan59b47d82006-11-19 14:10:45 -08004623 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4624 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004625
Michael Chan59b47d82006-11-19 14:10:45 -08004626 bnx2_init_tx_context(bp, cid);
Michael Chanb6016b72005-05-26 13:03:09 -07004627}
4628
4629static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004630bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4631 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004632{
Michael Chanb6016b72005-05-26 13:03:09 -07004633 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004634 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004635
Michael Chan5d5d0012007-12-12 11:17:43 -08004636 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004637 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004638
Michael Chan5d5d0012007-12-12 11:17:43 -08004639 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004640 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004641 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004642 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4643 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004644 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004645 j = 0;
4646 else
4647 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004648 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4649 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004650 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004651}
4652
4653static void
4654bnx2_init_rx_ring(struct bnx2 *bp)
4655{
4656 int i;
4657 u16 prod, ring_prod;
4658 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
Michael Chanb4b36042007-12-20 19:59:30 -08004659 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan5d5d0012007-12-12 11:17:43 -08004660
Michael Chan5d5d0012007-12-12 11:17:43 -08004661 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4662 bp->rx_buf_use_size, bp->rx_max_ring);
4663
Michael Chan83e3fc82008-01-29 21:37:17 -08004664 bnx2_init_rx_context0(bp);
4665
4666 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4667 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4668 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4669 }
4670
Michael Chan62a83132008-01-29 21:35:40 -08004671 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004672 if (bp->rx_pg_ring_size) {
4673 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4674 bp->rx_pg_desc_mapping,
4675 PAGE_SIZE, bp->rx_max_pg_ring);
4676 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004677 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4678 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan47bf4242007-12-12 11:19:12 -08004679 BNX2_L2CTX_RBDC_JUMBO_KEY);
4680
4681 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004682 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004683
4684 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004685 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004686
4687 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4688 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4689 }
Michael Chanb6016b72005-05-26 13:03:09 -07004690
Michael Chan13daffa2006-03-20 17:49:20 -08004691 val = (u64) bp->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004692 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004693
Michael Chan13daffa2006-03-20 17:49:20 -08004694 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004695 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004696
Michael Chana1f60192007-12-20 19:57:19 -08004697 ring_prod = prod = bnapi->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004698 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4699 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4700 break;
4701 prod = NEXT_RX_BD(prod);
4702 ring_prod = RX_PG_RING_IDX(prod);
4703 }
Michael Chana1f60192007-12-20 19:57:19 -08004704 bnapi->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004705
Michael Chana1f60192007-12-20 19:57:19 -08004706 ring_prod = prod = bnapi->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004707 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chana1f60192007-12-20 19:57:19 -08004708 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004709 break;
4710 }
4711 prod = NEXT_RX_BD(prod);
4712 ring_prod = RX_RING_IDX(prod);
4713 }
Michael Chana1f60192007-12-20 19:57:19 -08004714 bnapi->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004715
Michael Chana1f60192007-12-20 19:57:19 -08004716 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4717 bnapi->rx_pg_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07004718 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4719
Michael Chana1f60192007-12-20 19:57:19 -08004720 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004721}
4722
Michael Chan5d5d0012007-12-12 11:17:43 -08004723static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004724{
Michael Chan5d5d0012007-12-12 11:17:43 -08004725 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004726
Michael Chan5d5d0012007-12-12 11:17:43 -08004727 while (ring_size > MAX_RX_DESC_CNT) {
4728 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004729 num_rings++;
4730 }
4731 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004732 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004733 while ((max & num_rings) == 0)
4734 max >>= 1;
4735
4736 if (num_rings != max)
4737 max <<= 1;
4738
Michael Chan5d5d0012007-12-12 11:17:43 -08004739 return max;
4740}
4741
4742static void
4743bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4744{
Michael Chan84eaa182007-12-12 11:19:57 -08004745 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004746
4747 /* 8 for CRC and VLAN */
4748 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4749
Michael Chan84eaa182007-12-12 11:19:57 -08004750 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4751 sizeof(struct skb_shared_info);
4752
Michael Chan5d5d0012007-12-12 11:17:43 -08004753 bp->rx_copy_thresh = RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004754 bp->rx_pg_ring_size = 0;
4755 bp->rx_max_pg_ring = 0;
4756 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004757 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004758 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4759
4760 jumbo_size = size * pages;
4761 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4762 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4763
4764 bp->rx_pg_ring_size = jumbo_size;
4765 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4766 MAX_RX_PG_RINGS);
4767 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4768 rx_size = RX_COPY_THRESH + bp->rx_offset;
4769 bp->rx_copy_thresh = 0;
4770 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004771
4772 bp->rx_buf_use_size = rx_size;
4773 /* hw alignment */
4774 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Michael Chan1db82f22007-12-12 11:19:35 -08004775 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
Michael Chan5d5d0012007-12-12 11:17:43 -08004776 bp->rx_ring_size = size;
4777 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004778 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4779}
4780
4781static void
Michael Chanb6016b72005-05-26 13:03:09 -07004782bnx2_free_tx_skbs(struct bnx2 *bp)
4783{
4784 int i;
4785
4786 if (bp->tx_buf_ring == NULL)
4787 return;
4788
4789 for (i = 0; i < TX_DESC_CNT; ) {
4790 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4791 struct sk_buff *skb = tx_buf->skb;
4792 int j, last;
4793
4794 if (skb == NULL) {
4795 i++;
4796 continue;
4797 }
4798
4799 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4800 skb_headlen(skb), PCI_DMA_TODEVICE);
4801
4802 tx_buf->skb = NULL;
4803
4804 last = skb_shinfo(skb)->nr_frags;
4805 for (j = 0; j < last; j++) {
4806 tx_buf = &bp->tx_buf_ring[i + j + 1];
4807 pci_unmap_page(bp->pdev,
4808 pci_unmap_addr(tx_buf, mapping),
4809 skb_shinfo(skb)->frags[j].size,
4810 PCI_DMA_TODEVICE);
4811 }
Michael Chan745720e2006-06-29 12:37:41 -07004812 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004813 i += j + 1;
4814 }
4815
4816}
4817
4818static void
4819bnx2_free_rx_skbs(struct bnx2 *bp)
4820{
4821 int i;
4822
4823 if (bp->rx_buf_ring == NULL)
4824 return;
4825
Michael Chan13daffa2006-03-20 17:49:20 -08004826 for (i = 0; i < bp->rx_max_ring_idx; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004827 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4828 struct sk_buff *skb = rx_buf->skb;
4829
Michael Chan05d0f1c2005-11-04 08:53:48 -08004830 if (skb == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004831 continue;
4832
4833 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4834 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4835
4836 rx_buf->skb = NULL;
4837
Michael Chan745720e2006-06-29 12:37:41 -07004838 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004839 }
Michael Chan47bf4242007-12-12 11:19:12 -08004840 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4841 bnx2_free_rx_page(bp, i);
Michael Chanb6016b72005-05-26 13:03:09 -07004842}
4843
4844static void
4845bnx2_free_skbs(struct bnx2 *bp)
4846{
4847 bnx2_free_tx_skbs(bp);
4848 bnx2_free_rx_skbs(bp);
4849}
4850
4851static int
4852bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4853{
4854 int rc;
4855
4856 rc = bnx2_reset_chip(bp, reset_code);
4857 bnx2_free_skbs(bp);
4858 if (rc)
4859 return rc;
4860
Michael Chanfba9fe92006-06-12 22:21:25 -07004861 if ((rc = bnx2_init_chip(bp)) != 0)
4862 return rc;
4863
Michael Chanc76c0472007-12-20 20:01:19 -08004864 bnx2_clear_ring_states(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004865 bnx2_init_tx_ring(bp);
4866 bnx2_init_rx_ring(bp);
4867 return 0;
4868}
4869
4870static int
4871bnx2_init_nic(struct bnx2 *bp)
4872{
4873 int rc;
4874
4875 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4876 return rc;
4877
Michael Chan80be4432006-11-19 14:07:28 -08004878 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004879 bnx2_init_phy(bp);
4880 bnx2_set_link(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07004881 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004882 return 0;
4883}
4884
4885static int
4886bnx2_test_registers(struct bnx2 *bp)
4887{
4888 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07004889 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05004890 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004891 u16 offset;
4892 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07004893#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07004894 u32 rw_mask;
4895 u32 ro_mask;
4896 } reg_tbl[] = {
4897 { 0x006c, 0, 0x00000000, 0x0000003f },
4898 { 0x0090, 0, 0xffffffff, 0x00000000 },
4899 { 0x0094, 0, 0x00000000, 0x00000000 },
4900
Michael Chan5bae30c2007-05-03 13:18:46 -07004901 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4902 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4903 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4904 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4905 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4906 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4907 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4908 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4909 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07004910
Michael Chan5bae30c2007-05-03 13:18:46 -07004911 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4912 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4913 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4914 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4915 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4916 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07004917
Michael Chan5bae30c2007-05-03 13:18:46 -07004918 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4919 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4920 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004921
4922 { 0x1000, 0, 0x00000000, 0x00000001 },
4923 { 0x1004, 0, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07004924
4925 { 0x1408, 0, 0x01c00800, 0x00000000 },
4926 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4927 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004928 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004929 { 0x14b0, 0, 0x00000002, 0x00000001 },
4930 { 0x14b8, 0, 0x00000000, 0x00000000 },
4931 { 0x14c0, 0, 0x00000000, 0x00000009 },
4932 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4933 { 0x14cc, 0, 0x00000000, 0x00000001 },
4934 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004935
4936 { 0x1800, 0, 0x00000000, 0x00000001 },
4937 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07004938
4939 { 0x2800, 0, 0x00000000, 0x00000001 },
4940 { 0x2804, 0, 0x00000000, 0x00003f01 },
4941 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4942 { 0x2810, 0, 0xffff0000, 0x00000000 },
4943 { 0x2814, 0, 0xffff0000, 0x00000000 },
4944 { 0x2818, 0, 0xffff0000, 0x00000000 },
4945 { 0x281c, 0, 0xffff0000, 0x00000000 },
4946 { 0x2834, 0, 0xffffffff, 0x00000000 },
4947 { 0x2840, 0, 0x00000000, 0xffffffff },
4948 { 0x2844, 0, 0x00000000, 0xffffffff },
4949 { 0x2848, 0, 0xffffffff, 0x00000000 },
4950 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4951
4952 { 0x2c00, 0, 0x00000000, 0x00000011 },
4953 { 0x2c04, 0, 0x00000000, 0x00030007 },
4954
Michael Chanb6016b72005-05-26 13:03:09 -07004955 { 0x3c00, 0, 0x00000000, 0x00000001 },
4956 { 0x3c04, 0, 0x00000000, 0x00070000 },
4957 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4958 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4959 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4960 { 0x3c14, 0, 0x00000000, 0xffffffff },
4961 { 0x3c18, 0, 0x00000000, 0xffffffff },
4962 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4963 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004964
4965 { 0x5004, 0, 0x00000000, 0x0000007f },
4966 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004967
Michael Chanb6016b72005-05-26 13:03:09 -07004968 { 0x5c00, 0, 0x00000000, 0x00000001 },
4969 { 0x5c04, 0, 0x00000000, 0x0003000f },
4970 { 0x5c08, 0, 0x00000003, 0x00000000 },
4971 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4972 { 0x5c10, 0, 0x00000000, 0xffffffff },
4973 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4974 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4975 { 0x5c88, 0, 0x00000000, 0x00077373 },
4976 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4977
4978 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4979 { 0x680c, 0, 0xffffffff, 0x00000000 },
4980 { 0x6810, 0, 0xffffffff, 0x00000000 },
4981 { 0x6814, 0, 0xffffffff, 0x00000000 },
4982 { 0x6818, 0, 0xffffffff, 0x00000000 },
4983 { 0x681c, 0, 0xffffffff, 0x00000000 },
4984 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4985 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4986 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4987 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4988 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4989 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4990 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4991 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4992 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4993 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4994 { 0x684c, 0, 0xffffffff, 0x00000000 },
4995 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4996 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4997 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4998 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4999 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5000 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5001
5002 { 0xffff, 0, 0x00000000, 0x00000000 },
5003 };
5004
5005 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005006 is_5709 = 0;
5007 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5008 is_5709 = 1;
5009
Michael Chanb6016b72005-05-26 13:03:09 -07005010 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5011 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005012 u16 flags = reg_tbl[i].flags;
5013
5014 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5015 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005016
5017 offset = (u32) reg_tbl[i].offset;
5018 rw_mask = reg_tbl[i].rw_mask;
5019 ro_mask = reg_tbl[i].ro_mask;
5020
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005021 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005022
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005023 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005024
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005025 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005026 if ((val & rw_mask) != 0) {
5027 goto reg_test_err;
5028 }
5029
5030 if ((val & ro_mask) != (save_val & ro_mask)) {
5031 goto reg_test_err;
5032 }
5033
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005034 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005035
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005036 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005037 if ((val & rw_mask) != rw_mask) {
5038 goto reg_test_err;
5039 }
5040
5041 if ((val & ro_mask) != (save_val & ro_mask)) {
5042 goto reg_test_err;
5043 }
5044
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005045 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005046 continue;
5047
5048reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005049 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005050 ret = -ENODEV;
5051 break;
5052 }
5053 return ret;
5054}
5055
5056static int
5057bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5058{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005059 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005060 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5061 int i;
5062
5063 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5064 u32 offset;
5065
5066 for (offset = 0; offset < size; offset += 4) {
5067
Michael Chan2726d6e2008-01-29 21:35:05 -08005068 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005069
Michael Chan2726d6e2008-01-29 21:35:05 -08005070 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005071 test_pattern[i]) {
5072 return -ENODEV;
5073 }
5074 }
5075 }
5076 return 0;
5077}
5078
5079static int
5080bnx2_test_memory(struct bnx2 *bp)
5081{
5082 int ret = 0;
5083 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005084 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005085 u32 offset;
5086 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005087 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005088 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005089 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005090 { 0xe0000, 0x4000 },
5091 { 0x120000, 0x4000 },
5092 { 0x1a0000, 0x4000 },
5093 { 0x160000, 0x4000 },
5094 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005095 },
5096 mem_tbl_5709[] = {
5097 { 0x60000, 0x4000 },
5098 { 0xa0000, 0x3000 },
5099 { 0xe0000, 0x4000 },
5100 { 0x120000, 0x4000 },
5101 { 0x1a0000, 0x4000 },
5102 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005103 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005104 struct mem_entry *mem_tbl;
5105
5106 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5107 mem_tbl = mem_tbl_5709;
5108 else
5109 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005110
5111 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5112 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5113 mem_tbl[i].len)) != 0) {
5114 return ret;
5115 }
5116 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005117
Michael Chanb6016b72005-05-26 13:03:09 -07005118 return ret;
5119}
5120
Michael Chanbc5a0692006-01-23 16:13:22 -08005121#define BNX2_MAC_LOOPBACK 0
5122#define BNX2_PHY_LOOPBACK 1
5123
Michael Chanb6016b72005-05-26 13:03:09 -07005124static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005125bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005126{
5127 unsigned int pkt_size, num_pkts, i;
5128 struct sk_buff *skb, *rx_skb;
5129 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005130 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005131 dma_addr_t map;
5132 struct tx_bd *txbd;
5133 struct sw_bd *rx_buf;
5134 struct l2_fhdr *rx_hdr;
5135 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005136 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5137
5138 tx_napi = bnapi;
David S. Millerf86e82f2008-01-21 17:15:40 -08005139 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanc76c0472007-12-20 20:01:19 -08005140 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
Michael Chanb6016b72005-05-26 13:03:09 -07005141
Michael Chanbc5a0692006-01-23 16:13:22 -08005142 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5143 bp->loopback = MAC_LOOPBACK;
5144 bnx2_set_mac_loopback(bp);
5145 }
5146 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005147 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005148 return 0;
5149
Michael Chan80be4432006-11-19 14:07:28 -08005150 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005151 bnx2_set_phy_loopback(bp);
5152 }
5153 else
5154 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005155
Michael Chan84eaa182007-12-12 11:19:57 -08005156 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005157 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005158 if (!skb)
5159 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005160 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005161 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005162 memset(packet + 6, 0x0, 8);
5163 for (i = 14; i < pkt_size; i++)
5164 packet[i] = (unsigned char) (i & 0xff);
5165
5166 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5167 PCI_DMA_TODEVICE);
5168
Michael Chanbf5295b2006-03-23 01:11:56 -08005169 REG_WR(bp, BNX2_HC_COMMAND,
5170 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5171
Michael Chanb6016b72005-05-26 13:03:09 -07005172 REG_RD(bp, BNX2_HC_COMMAND);
5173
5174 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005175 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005176
Michael Chanb6016b72005-05-26 13:03:09 -07005177 num_pkts = 0;
5178
Michael Chanbc5a0692006-01-23 16:13:22 -08005179 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005180
5181 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5182 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5183 txbd->tx_bd_mss_nbytes = pkt_size;
5184 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5185
5186 num_pkts++;
Michael Chanbc5a0692006-01-23 16:13:22 -08005187 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5188 bp->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005189
Michael Chan234754d2006-11-19 14:11:41 -08005190 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5191 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005192
5193 udelay(100);
5194
Michael Chanbf5295b2006-03-23 01:11:56 -08005195 REG_WR(bp, BNX2_HC_COMMAND,
5196 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5197
Michael Chanb6016b72005-05-26 13:03:09 -07005198 REG_RD(bp, BNX2_HC_COMMAND);
5199
5200 udelay(5);
5201
5202 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005203 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005204
Michael Chanc76c0472007-12-20 20:01:19 -08005205 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005206 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005207
Michael Chan35efa7c2007-12-20 19:56:37 -08005208 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005209 if (rx_idx != rx_start_idx + num_pkts) {
5210 goto loopback_test_done;
5211 }
5212
5213 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5214 rx_skb = rx_buf->skb;
5215
5216 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5217 skb_reserve(rx_skb, bp->rx_offset);
5218
5219 pci_dma_sync_single_for_cpu(bp->pdev,
5220 pci_unmap_addr(rx_buf, mapping),
5221 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5222
Michael Chanade2bfe2006-01-23 16:09:51 -08005223 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005224 (L2_FHDR_ERRORS_BAD_CRC |
5225 L2_FHDR_ERRORS_PHY_DECODE |
5226 L2_FHDR_ERRORS_ALIGNMENT |
5227 L2_FHDR_ERRORS_TOO_SHORT |
5228 L2_FHDR_ERRORS_GIANT_FRAME)) {
5229
5230 goto loopback_test_done;
5231 }
5232
5233 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5234 goto loopback_test_done;
5235 }
5236
5237 for (i = 14; i < pkt_size; i++) {
5238 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5239 goto loopback_test_done;
5240 }
5241 }
5242
5243 ret = 0;
5244
5245loopback_test_done:
5246 bp->loopback = 0;
5247 return ret;
5248}
5249
Michael Chanbc5a0692006-01-23 16:13:22 -08005250#define BNX2_MAC_LOOPBACK_FAILED 1
5251#define BNX2_PHY_LOOPBACK_FAILED 2
5252#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5253 BNX2_PHY_LOOPBACK_FAILED)
5254
5255static int
5256bnx2_test_loopback(struct bnx2 *bp)
5257{
5258 int rc = 0;
5259
5260 if (!netif_running(bp->dev))
5261 return BNX2_LOOPBACK_FAILED;
5262
5263 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5264 spin_lock_bh(&bp->phy_lock);
5265 bnx2_init_phy(bp);
5266 spin_unlock_bh(&bp->phy_lock);
5267 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5268 rc |= BNX2_MAC_LOOPBACK_FAILED;
5269 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5270 rc |= BNX2_PHY_LOOPBACK_FAILED;
5271 return rc;
5272}
5273
Michael Chanb6016b72005-05-26 13:03:09 -07005274#define NVRAM_SIZE 0x200
5275#define CRC32_RESIDUAL 0xdebb20e3
5276
5277static int
5278bnx2_test_nvram(struct bnx2 *bp)
5279{
Al Virob491edd2007-12-22 19:44:51 +00005280 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005281 u8 *data = (u8 *) buf;
5282 int rc = 0;
5283 u32 magic, csum;
5284
5285 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5286 goto test_nvram_done;
5287
5288 magic = be32_to_cpu(buf[0]);
5289 if (magic != 0x669955aa) {
5290 rc = -ENODEV;
5291 goto test_nvram_done;
5292 }
5293
5294 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5295 goto test_nvram_done;
5296
5297 csum = ether_crc_le(0x100, data);
5298 if (csum != CRC32_RESIDUAL) {
5299 rc = -ENODEV;
5300 goto test_nvram_done;
5301 }
5302
5303 csum = ether_crc_le(0x100, data + 0x100);
5304 if (csum != CRC32_RESIDUAL) {
5305 rc = -ENODEV;
5306 }
5307
5308test_nvram_done:
5309 return rc;
5310}
5311
5312static int
5313bnx2_test_link(struct bnx2 *bp)
5314{
5315 u32 bmsr;
5316
Michael Chan583c28e2008-01-21 19:51:35 -08005317 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005318 if (bp->link_up)
5319 return 0;
5320 return -ENODEV;
5321 }
Michael Chanc770a652005-08-25 15:38:39 -07005322 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005323 bnx2_enable_bmsr1(bp);
5324 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5325 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5326 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005327 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005328
Michael Chanb6016b72005-05-26 13:03:09 -07005329 if (bmsr & BMSR_LSTATUS) {
5330 return 0;
5331 }
5332 return -ENODEV;
5333}
5334
5335static int
5336bnx2_test_intr(struct bnx2 *bp)
5337{
5338 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005339 u16 status_idx;
5340
5341 if (!netif_running(bp->dev))
5342 return -ENODEV;
5343
5344 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5345
5346 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005347 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005348 REG_RD(bp, BNX2_HC_COMMAND);
5349
5350 for (i = 0; i < 10; i++) {
5351 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5352 status_idx) {
5353
5354 break;
5355 }
5356
5357 msleep_interruptible(10);
5358 }
5359 if (i < 10)
5360 return 0;
5361
5362 return -ENODEV;
5363}
5364
Michael Chan38ea3682008-02-23 19:48:57 -08005365/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005366static int
5367bnx2_5706_serdes_has_link(struct bnx2 *bp)
5368{
5369 u32 mode_ctl, an_dbg, exp;
5370
Michael Chan38ea3682008-02-23 19:48:57 -08005371 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5372 return 0;
5373
Michael Chanb2fadea2008-01-21 17:07:06 -08005374 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5375 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5376
5377 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5378 return 0;
5379
5380 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5381 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5383
Michael Chanf3014c02008-01-29 21:33:03 -08005384 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005385 return 0;
5386
5387 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5388 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5389 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5390
5391 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5392 return 0;
5393
5394 return 1;
5395}
5396
Michael Chanb6016b72005-05-26 13:03:09 -07005397static void
Michael Chan48b01e22006-11-19 14:08:00 -08005398bnx2_5706_serdes_timer(struct bnx2 *bp)
5399{
Michael Chanb2fadea2008-01-21 17:07:06 -08005400 int check_link = 1;
5401
Michael Chan48b01e22006-11-19 14:08:00 -08005402 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005403 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005404 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005405 check_link = 0;
5406 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005407 u32 bmcr;
5408
5409 bp->current_interval = bp->timer_interval;
5410
Michael Chanca58c3a2007-05-03 13:22:52 -07005411 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005412
5413 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005414 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005415 bmcr &= ~BMCR_ANENABLE;
5416 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005417 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005418 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005419 }
5420 }
5421 }
5422 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005423 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005424 u32 phy2;
5425
5426 bnx2_write_phy(bp, 0x17, 0x0f01);
5427 bnx2_read_phy(bp, 0x15, &phy2);
5428 if (phy2 & 0x20) {
5429 u32 bmcr;
5430
Michael Chanca58c3a2007-05-03 13:22:52 -07005431 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005432 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005433 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005434
Michael Chan583c28e2008-01-21 19:51:35 -08005435 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005436 }
5437 } else
5438 bp->current_interval = bp->timer_interval;
5439
Michael Chana2724e22008-02-23 19:47:44 -08005440 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005441 u32 val;
5442
5443 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5444 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5445 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5446
Michael Chana2724e22008-02-23 19:47:44 -08005447 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5448 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5449 bnx2_5706s_force_link_dn(bp, 1);
5450 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5451 } else
5452 bnx2_set_link(bp);
5453 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5454 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005455 }
Michael Chan48b01e22006-11-19 14:08:00 -08005456 spin_unlock(&bp->phy_lock);
5457}
5458
5459static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005460bnx2_5708_serdes_timer(struct bnx2 *bp)
5461{
Michael Chan583c28e2008-01-21 19:51:35 -08005462 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005463 return;
5464
Michael Chan583c28e2008-01-21 19:51:35 -08005465 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005466 bp->serdes_an_pending = 0;
5467 return;
5468 }
5469
5470 spin_lock(&bp->phy_lock);
5471 if (bp->serdes_an_pending)
5472 bp->serdes_an_pending--;
5473 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5474 u32 bmcr;
5475
Michael Chanca58c3a2007-05-03 13:22:52 -07005476 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005477 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005478 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005479 bp->current_interval = SERDES_FORCED_TIMEOUT;
5480 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005481 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005482 bp->serdes_an_pending = 2;
5483 bp->current_interval = bp->timer_interval;
5484 }
5485
5486 } else
5487 bp->current_interval = bp->timer_interval;
5488
5489 spin_unlock(&bp->phy_lock);
5490}
5491
5492static void
Michael Chanb6016b72005-05-26 13:03:09 -07005493bnx2_timer(unsigned long data)
5494{
5495 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005496
Michael Chancd339a02005-08-25 15:35:24 -07005497 if (!netif_running(bp->dev))
5498 return;
5499
Michael Chanb6016b72005-05-26 13:03:09 -07005500 if (atomic_read(&bp->intr_sem) != 0)
5501 goto bnx2_restart_timer;
5502
Michael Chandf149d72007-07-07 22:51:36 -07005503 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005504
Michael Chan2726d6e2008-01-29 21:35:05 -08005505 bp->stats_blk->stat_FwRxDrop =
5506 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005507
Michael Chan02537b062007-06-04 21:24:07 -07005508 /* workaround occasional corrupted counters */
5509 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5510 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5511 BNX2_HC_COMMAND_STATS_NOW);
5512
Michael Chan583c28e2008-01-21 19:51:35 -08005513 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005514 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5515 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005516 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005517 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005518 }
5519
5520bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005521 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005522}
5523
Michael Chan8e6a72c2007-05-03 13:24:48 -07005524static int
5525bnx2_request_irq(struct bnx2 *bp)
5526{
5527 struct net_device *dev = bp->dev;
Michael Chan6d866ff2007-12-20 19:56:09 -08005528 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005529 struct bnx2_irq *irq;
5530 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005531
David S. Millerf86e82f2008-01-21 17:15:40 -08005532 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005533 flags = 0;
5534 else
5535 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005536
5537 for (i = 0; i < bp->irq_nvecs; i++) {
5538 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005539 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanb4b36042007-12-20 19:59:30 -08005540 dev);
5541 if (rc)
5542 break;
5543 irq->requested = 1;
5544 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005545 return rc;
5546}
5547
5548static void
5549bnx2_free_irq(struct bnx2 *bp)
5550{
5551 struct net_device *dev = bp->dev;
Michael Chanb4b36042007-12-20 19:59:30 -08005552 struct bnx2_irq *irq;
5553 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005554
Michael Chanb4b36042007-12-20 19:59:30 -08005555 for (i = 0; i < bp->irq_nvecs; i++) {
5556 irq = &bp->irq_tbl[i];
5557 if (irq->requested)
5558 free_irq(irq->vector, dev);
5559 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005560 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005561 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005562 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005563 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005564 pci_disable_msix(bp->pdev);
5565
David S. Millerf86e82f2008-01-21 17:15:40 -08005566 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005567}
5568
5569static void
5570bnx2_enable_msix(struct bnx2 *bp)
5571{
Michael Chan57851d82007-12-20 20:01:44 -08005572 int i, rc;
5573 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5574
Michael Chanb4b36042007-12-20 19:59:30 -08005575 bnx2_setup_msix_tbl(bp);
5576 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5577 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5578 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005579
5580 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5581 msix_ent[i].entry = i;
5582 msix_ent[i].vector = 0;
5583 }
5584
5585 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5586 if (rc != 0)
5587 return;
5588
5589 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5590 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5591
5592 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5593 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5594 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5595 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5596
5597 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
David S. Millerf86e82f2008-01-21 17:15:40 -08005598 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005599 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5600 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005601}
5602
5603static void
5604bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5605{
5606 bp->irq_tbl[0].handler = bnx2_interrupt;
5607 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005608 bp->irq_nvecs = 1;
5609 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005610
David S. Millerf86e82f2008-01-21 17:15:40 -08005611 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chanb4b36042007-12-20 19:59:30 -08005612 bnx2_enable_msix(bp);
5613
David S. Millerf86e82f2008-01-21 17:15:40 -08005614 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5615 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005616 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005617 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005618 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005619 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005620 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5621 } else
5622 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005623
5624 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005625 }
5626 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005627}
5628
Michael Chanb6016b72005-05-26 13:03:09 -07005629/* Called with rtnl_lock */
5630static int
5631bnx2_open(struct net_device *dev)
5632{
Michael Chan972ec0d2006-01-23 16:12:43 -08005633 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005634 int rc;
5635
Michael Chan1b2f9222007-05-03 13:20:19 -07005636 netif_carrier_off(dev);
5637
Pavel Machek829ca9a2005-09-03 15:56:56 -07005638 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005639 bnx2_disable_int(bp);
5640
5641 rc = bnx2_alloc_mem(bp);
5642 if (rc)
5643 return rc;
5644
Michael Chan6d866ff2007-12-20 19:56:09 -08005645 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005646 bnx2_napi_enable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005647 rc = bnx2_request_irq(bp);
5648
Michael Chanb6016b72005-05-26 13:03:09 -07005649 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005650 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005651 bnx2_free_mem(bp);
5652 return rc;
5653 }
5654
5655 rc = bnx2_init_nic(bp);
5656
5657 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005658 bnx2_napi_disable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005659 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005660 bnx2_free_skbs(bp);
5661 bnx2_free_mem(bp);
5662 return rc;
5663 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005664
Michael Chancd339a02005-08-25 15:35:24 -07005665 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005666
5667 atomic_set(&bp->intr_sem, 0);
5668
5669 bnx2_enable_int(bp);
5670
David S. Millerf86e82f2008-01-21 17:15:40 -08005671 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005672 /* Test MSI to make sure it is working
5673 * If MSI test fails, go back to INTx mode
5674 */
5675 if (bnx2_test_intr(bp) != 0) {
5676 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5677 " using MSI, switching to INTx mode. Please"
5678 " report this failure to the PCI maintainer"
5679 " and include system chipset information.\n",
5680 bp->dev->name);
5681
5682 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005683 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005684
Michael Chan6d866ff2007-12-20 19:56:09 -08005685 bnx2_setup_int_mode(bp, 1);
5686
Michael Chanb6016b72005-05-26 13:03:09 -07005687 rc = bnx2_init_nic(bp);
5688
Michael Chan8e6a72c2007-05-03 13:24:48 -07005689 if (!rc)
5690 rc = bnx2_request_irq(bp);
5691
Michael Chanb6016b72005-05-26 13:03:09 -07005692 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005693 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005694 bnx2_free_skbs(bp);
5695 bnx2_free_mem(bp);
5696 del_timer_sync(&bp->timer);
5697 return rc;
5698 }
5699 bnx2_enable_int(bp);
5700 }
5701 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005702 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005703 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005704 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005705 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005706
5707 netif_start_queue(dev);
5708
5709 return 0;
5710}
5711
5712static void
David Howellsc4028952006-11-22 14:57:56 +00005713bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005714{
David Howellsc4028952006-11-22 14:57:56 +00005715 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005716
Michael Chanafdc08b2005-08-25 15:34:29 -07005717 if (!netif_running(bp->dev))
5718 return;
5719
5720 bp->in_reset_task = 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005721 bnx2_netif_stop(bp);
5722
5723 bnx2_init_nic(bp);
5724
5725 atomic_set(&bp->intr_sem, 1);
5726 bnx2_netif_start(bp);
Michael Chanafdc08b2005-08-25 15:34:29 -07005727 bp->in_reset_task = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005728}
5729
5730static void
5731bnx2_tx_timeout(struct net_device *dev)
5732{
Michael Chan972ec0d2006-01-23 16:12:43 -08005733 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005734
5735 /* This allows the netif to be shutdown gracefully before resetting */
5736 schedule_work(&bp->reset_task);
5737}
5738
5739#ifdef BCM_VLAN
5740/* Called with rtnl_lock */
5741static void
5742bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5743{
Michael Chan972ec0d2006-01-23 16:12:43 -08005744 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005745
5746 bnx2_netif_stop(bp);
5747
5748 bp->vlgrp = vlgrp;
5749 bnx2_set_rx_mode(dev);
5750
5751 bnx2_netif_start(bp);
5752}
Michael Chanb6016b72005-05-26 13:03:09 -07005753#endif
5754
Herbert Xu932ff272006-06-09 12:20:56 -07005755/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005756 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5757 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005758 */
5759static int
5760bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5761{
Michael Chan972ec0d2006-01-23 16:12:43 -08005762 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005763 dma_addr_t mapping;
5764 struct tx_bd *txbd;
5765 struct sw_bd *tx_buf;
5766 u32 len, vlan_tag_flags, last_frag, mss;
5767 u16 prod, ring_prod;
5768 int i;
Michael Chan57851d82007-12-20 20:01:44 -08005769 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07005770
Michael Chana550c992007-12-20 19:56:59 -08005771 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5772 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005773 netif_stop_queue(dev);
5774 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5775 dev->name);
5776
5777 return NETDEV_TX_BUSY;
5778 }
5779 len = skb_headlen(skb);
5780 prod = bp->tx_prod;
5781 ring_prod = TX_RING_IDX(prod);
5782
5783 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005784 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005785 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5786 }
5787
Al Viro79ea13c2008-01-24 02:06:46 -08005788 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005789 vlan_tag_flags |=
5790 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5791 }
Michael Chanfde82052007-05-03 17:23:35 -07005792 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005793 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005794 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005795
Michael Chanb6016b72005-05-26 13:03:09 -07005796 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5797
Michael Chan4666f872007-05-03 13:22:28 -07005798 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005799
Michael Chan4666f872007-05-03 13:22:28 -07005800 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5801 u32 tcp_off = skb_transport_offset(skb) -
5802 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005803
Michael Chan4666f872007-05-03 13:22:28 -07005804 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5805 TX_BD_FLAGS_SW_FLAGS;
5806 if (likely(tcp_off == 0))
5807 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5808 else {
5809 tcp_off >>= 3;
5810 vlan_tag_flags |= ((tcp_off & 0x3) <<
5811 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5812 ((tcp_off & 0x10) <<
5813 TX_BD_FLAGS_TCP6_OFF4_SHL);
5814 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5815 }
5816 } else {
5817 if (skb_header_cloned(skb) &&
5818 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5819 dev_kfree_skb(skb);
5820 return NETDEV_TX_OK;
5821 }
5822
5823 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5824
5825 iph = ip_hdr(skb);
5826 iph->check = 0;
5827 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5828 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5829 iph->daddr, 0,
5830 IPPROTO_TCP,
5831 0);
5832 if (tcp_opt_len || (iph->ihl > 5)) {
5833 vlan_tag_flags |= ((iph->ihl - 5) +
5834 (tcp_opt_len >> 2)) << 8;
5835 }
Michael Chanb6016b72005-05-26 13:03:09 -07005836 }
Michael Chan4666f872007-05-03 13:22:28 -07005837 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005838 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005839
5840 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005841
Michael Chanb6016b72005-05-26 13:03:09 -07005842 tx_buf = &bp->tx_buf_ring[ring_prod];
5843 tx_buf->skb = skb;
5844 pci_unmap_addr_set(tx_buf, mapping, mapping);
5845
5846 txbd = &bp->tx_desc_ring[ring_prod];
5847
5848 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5849 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5850 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5851 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5852
5853 last_frag = skb_shinfo(skb)->nr_frags;
5854
5855 for (i = 0; i < last_frag; i++) {
5856 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5857
5858 prod = NEXT_TX_BD(prod);
5859 ring_prod = TX_RING_IDX(prod);
5860 txbd = &bp->tx_desc_ring[ring_prod];
5861
5862 len = frag->size;
5863 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5864 len, PCI_DMA_TODEVICE);
5865 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5866 mapping, mapping);
5867
5868 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5869 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5870 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5871 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5872
5873 }
5874 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5875
5876 prod = NEXT_TX_BD(prod);
5877 bp->tx_prod_bseq += skb->len;
5878
Michael Chan234754d2006-11-19 14:11:41 -08005879 REG_WR16(bp, bp->tx_bidx_addr, prod);
5880 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005881
5882 mmiowb();
5883
5884 bp->tx_prod = prod;
5885 dev->trans_start = jiffies;
5886
Michael Chana550c992007-12-20 19:56:59 -08005887 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07005888 netif_stop_queue(dev);
Michael Chana550c992007-12-20 19:56:59 -08005889 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07005890 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005891 }
5892
5893 return NETDEV_TX_OK;
5894}
5895
5896/* Called with rtnl_lock */
5897static int
5898bnx2_close(struct net_device *dev)
5899{
Michael Chan972ec0d2006-01-23 16:12:43 -08005900 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005901 u32 reset_code;
5902
Michael Chanafdc08b2005-08-25 15:34:29 -07005903 /* Calling flush_scheduled_work() may deadlock because
5904 * linkwatch_event() may be on the workqueue and it will try to get
5905 * the rtnl_lock which we are holding.
5906 */
5907 while (bp->in_reset_task)
5908 msleep(1);
5909
Stephen Hemmingerbea33482007-10-03 16:41:36 -07005910 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08005911 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005912 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08005913 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07005914 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08005915 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07005916 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5917 else
5918 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5919 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005920 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005921 bnx2_free_skbs(bp);
5922 bnx2_free_mem(bp);
5923 bp->link_up = 0;
5924 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005925 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07005926 return 0;
5927}
5928
5929#define GET_NET_STATS64(ctr) \
5930 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5931 (unsigned long) (ctr##_lo)
5932
5933#define GET_NET_STATS32(ctr) \
5934 (ctr##_lo)
5935
5936#if (BITS_PER_LONG == 64)
5937#define GET_NET_STATS GET_NET_STATS64
5938#else
5939#define GET_NET_STATS GET_NET_STATS32
5940#endif
5941
5942static struct net_device_stats *
5943bnx2_get_stats(struct net_device *dev)
5944{
Michael Chan972ec0d2006-01-23 16:12:43 -08005945 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005946 struct statistics_block *stats_blk = bp->stats_blk;
5947 struct net_device_stats *net_stats = &bp->net_stats;
5948
5949 if (bp->stats_blk == NULL) {
5950 return net_stats;
5951 }
5952 net_stats->rx_packets =
5953 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5954 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5955 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5956
5957 net_stats->tx_packets =
5958 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5959 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5960 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5961
5962 net_stats->rx_bytes =
5963 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5964
5965 net_stats->tx_bytes =
5966 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5967
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005968 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07005969 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5970
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005971 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07005972 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5973
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005974 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005975 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5976 stats_blk->stat_EtherStatsOverrsizePkts);
5977
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005978 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005979 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5980
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005981 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005982 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5983
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005984 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005985 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5986
5987 net_stats->rx_errors = net_stats->rx_length_errors +
5988 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5989 net_stats->rx_crc_errors;
5990
5991 net_stats->tx_aborted_errors =
5992 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5993 stats_blk->stat_Dot3StatsLateCollisions);
5994
Michael Chan5b0c76a2005-11-04 08:45:49 -08005995 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5996 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005997 net_stats->tx_carrier_errors = 0;
5998 else {
5999 net_stats->tx_carrier_errors =
6000 (unsigned long)
6001 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6002 }
6003
6004 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006005 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006006 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6007 +
6008 net_stats->tx_aborted_errors +
6009 net_stats->tx_carrier_errors;
6010
Michael Chancea94db2006-06-12 22:16:13 -07006011 net_stats->rx_missed_errors =
6012 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6013 stats_blk->stat_FwRxDrop);
6014
Michael Chanb6016b72005-05-26 13:03:09 -07006015 return net_stats;
6016}
6017
6018/* All ethtool functions called with rtnl_lock */
6019
6020static int
6021bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6022{
Michael Chan972ec0d2006-01-23 16:12:43 -08006023 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006024 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006025
6026 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006027 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006028 support_serdes = 1;
6029 support_copper = 1;
6030 } else if (bp->phy_port == PORT_FIBRE)
6031 support_serdes = 1;
6032 else
6033 support_copper = 1;
6034
6035 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006036 cmd->supported |= SUPPORTED_1000baseT_Full |
6037 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006038 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006039 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006040
Michael Chanb6016b72005-05-26 13:03:09 -07006041 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006042 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006043 cmd->supported |= SUPPORTED_10baseT_Half |
6044 SUPPORTED_10baseT_Full |
6045 SUPPORTED_100baseT_Half |
6046 SUPPORTED_100baseT_Full |
6047 SUPPORTED_1000baseT_Full |
6048 SUPPORTED_TP;
6049
Michael Chanb6016b72005-05-26 13:03:09 -07006050 }
6051
Michael Chan7b6b8342007-07-07 22:50:15 -07006052 spin_lock_bh(&bp->phy_lock);
6053 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006054 cmd->advertising = bp->advertising;
6055
6056 if (bp->autoneg & AUTONEG_SPEED) {
6057 cmd->autoneg = AUTONEG_ENABLE;
6058 }
6059 else {
6060 cmd->autoneg = AUTONEG_DISABLE;
6061 }
6062
6063 if (netif_carrier_ok(dev)) {
6064 cmd->speed = bp->line_speed;
6065 cmd->duplex = bp->duplex;
6066 }
6067 else {
6068 cmd->speed = -1;
6069 cmd->duplex = -1;
6070 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006071 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006072
6073 cmd->transceiver = XCVR_INTERNAL;
6074 cmd->phy_address = bp->phy_addr;
6075
6076 return 0;
6077}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006078
Michael Chanb6016b72005-05-26 13:03:09 -07006079static int
6080bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6081{
Michael Chan972ec0d2006-01-23 16:12:43 -08006082 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006083 u8 autoneg = bp->autoneg;
6084 u8 req_duplex = bp->req_duplex;
6085 u16 req_line_speed = bp->req_line_speed;
6086 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006087 int err = -EINVAL;
6088
6089 spin_lock_bh(&bp->phy_lock);
6090
6091 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6092 goto err_out_unlock;
6093
Michael Chan583c28e2008-01-21 19:51:35 -08006094 if (cmd->port != bp->phy_port &&
6095 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006096 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006097
6098 if (cmd->autoneg == AUTONEG_ENABLE) {
6099 autoneg |= AUTONEG_SPEED;
6100
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006101 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006102
6103 /* allow advertising 1 speed */
6104 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6105 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6106 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6107 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6108
Michael Chan7b6b8342007-07-07 22:50:15 -07006109 if (cmd->port == PORT_FIBRE)
6110 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006111
6112 advertising = cmd->advertising;
6113
Michael Chan27a005b2007-05-03 13:23:41 -07006114 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006115 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006116 (cmd->port == PORT_TP))
6117 goto err_out_unlock;
6118 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006119 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006120 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6121 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006122 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006123 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006124 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006125 else
Michael Chanb6016b72005-05-26 13:03:09 -07006126 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006127 }
6128 advertising |= ADVERTISED_Autoneg;
6129 }
6130 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006131 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006132 if ((cmd->speed != SPEED_1000 &&
6133 cmd->speed != SPEED_2500) ||
6134 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006135 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006136
6137 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006138 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006139 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006140 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006141 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6142 goto err_out_unlock;
6143
Michael Chanb6016b72005-05-26 13:03:09 -07006144 autoneg &= ~AUTONEG_SPEED;
6145 req_line_speed = cmd->speed;
6146 req_duplex = cmd->duplex;
6147 advertising = 0;
6148 }
6149
6150 bp->autoneg = autoneg;
6151 bp->advertising = advertising;
6152 bp->req_line_speed = req_line_speed;
6153 bp->req_duplex = req_duplex;
6154
Michael Chan7b6b8342007-07-07 22:50:15 -07006155 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006156
Michael Chan7b6b8342007-07-07 22:50:15 -07006157err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006158 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006159
Michael Chan7b6b8342007-07-07 22:50:15 -07006160 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006161}
6162
6163static void
6164bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6165{
Michael Chan972ec0d2006-01-23 16:12:43 -08006166 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006167
6168 strcpy(info->driver, DRV_MODULE_NAME);
6169 strcpy(info->version, DRV_MODULE_VERSION);
6170 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006171 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006172}
6173
Michael Chan244ac4f2006-03-20 17:48:46 -08006174#define BNX2_REGDUMP_LEN (32 * 1024)
6175
6176static int
6177bnx2_get_regs_len(struct net_device *dev)
6178{
6179 return BNX2_REGDUMP_LEN;
6180}
6181
6182static void
6183bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6184{
6185 u32 *p = _p, i, offset;
6186 u8 *orig_p = _p;
6187 struct bnx2 *bp = netdev_priv(dev);
6188 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6189 0x0800, 0x0880, 0x0c00, 0x0c10,
6190 0x0c30, 0x0d08, 0x1000, 0x101c,
6191 0x1040, 0x1048, 0x1080, 0x10a4,
6192 0x1400, 0x1490, 0x1498, 0x14f0,
6193 0x1500, 0x155c, 0x1580, 0x15dc,
6194 0x1600, 0x1658, 0x1680, 0x16d8,
6195 0x1800, 0x1820, 0x1840, 0x1854,
6196 0x1880, 0x1894, 0x1900, 0x1984,
6197 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6198 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6199 0x2000, 0x2030, 0x23c0, 0x2400,
6200 0x2800, 0x2820, 0x2830, 0x2850,
6201 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6202 0x3c00, 0x3c94, 0x4000, 0x4010,
6203 0x4080, 0x4090, 0x43c0, 0x4458,
6204 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6205 0x4fc0, 0x5010, 0x53c0, 0x5444,
6206 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6207 0x5fc0, 0x6000, 0x6400, 0x6428,
6208 0x6800, 0x6848, 0x684c, 0x6860,
6209 0x6888, 0x6910, 0x8000 };
6210
6211 regs->version = 0;
6212
6213 memset(p, 0, BNX2_REGDUMP_LEN);
6214
6215 if (!netif_running(bp->dev))
6216 return;
6217
6218 i = 0;
6219 offset = reg_boundaries[0];
6220 p += offset;
6221 while (offset < BNX2_REGDUMP_LEN) {
6222 *p++ = REG_RD(bp, offset);
6223 offset += 4;
6224 if (offset == reg_boundaries[i + 1]) {
6225 offset = reg_boundaries[i + 2];
6226 p = (u32 *) (orig_p + offset);
6227 i += 2;
6228 }
6229 }
6230}
6231
Michael Chanb6016b72005-05-26 13:03:09 -07006232static void
6233bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6234{
Michael Chan972ec0d2006-01-23 16:12:43 -08006235 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006236
David S. Millerf86e82f2008-01-21 17:15:40 -08006237 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006238 wol->supported = 0;
6239 wol->wolopts = 0;
6240 }
6241 else {
6242 wol->supported = WAKE_MAGIC;
6243 if (bp->wol)
6244 wol->wolopts = WAKE_MAGIC;
6245 else
6246 wol->wolopts = 0;
6247 }
6248 memset(&wol->sopass, 0, sizeof(wol->sopass));
6249}
6250
6251static int
6252bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6253{
Michael Chan972ec0d2006-01-23 16:12:43 -08006254 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006255
6256 if (wol->wolopts & ~WAKE_MAGIC)
6257 return -EINVAL;
6258
6259 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006260 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006261 return -EINVAL;
6262
6263 bp->wol = 1;
6264 }
6265 else {
6266 bp->wol = 0;
6267 }
6268 return 0;
6269}
6270
6271static int
6272bnx2_nway_reset(struct net_device *dev)
6273{
Michael Chan972ec0d2006-01-23 16:12:43 -08006274 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006275 u32 bmcr;
6276
6277 if (!(bp->autoneg & AUTONEG_SPEED)) {
6278 return -EINVAL;
6279 }
6280
Michael Chanc770a652005-08-25 15:38:39 -07006281 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006282
Michael Chan583c28e2008-01-21 19:51:35 -08006283 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006284 int rc;
6285
6286 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6287 spin_unlock_bh(&bp->phy_lock);
6288 return rc;
6289 }
6290
Michael Chanb6016b72005-05-26 13:03:09 -07006291 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006292 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006293 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006294 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006295
6296 msleep(20);
6297
Michael Chanc770a652005-08-25 15:38:39 -07006298 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006299
6300 bp->current_interval = SERDES_AN_TIMEOUT;
6301 bp->serdes_an_pending = 1;
6302 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006303 }
6304
Michael Chanca58c3a2007-05-03 13:22:52 -07006305 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006306 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006307 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006308
Michael Chanc770a652005-08-25 15:38:39 -07006309 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006310
6311 return 0;
6312}
6313
6314static int
6315bnx2_get_eeprom_len(struct net_device *dev)
6316{
Michael Chan972ec0d2006-01-23 16:12:43 -08006317 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006318
Michael Chan1122db72006-01-23 16:11:42 -08006319 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006320 return 0;
6321
Michael Chan1122db72006-01-23 16:11:42 -08006322 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006323}
6324
6325static int
6326bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6327 u8 *eebuf)
6328{
Michael Chan972ec0d2006-01-23 16:12:43 -08006329 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006330 int rc;
6331
John W. Linville1064e942005-11-10 12:58:24 -08006332 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006333
6334 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6335
6336 return rc;
6337}
6338
6339static int
6340bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6341 u8 *eebuf)
6342{
Michael Chan972ec0d2006-01-23 16:12:43 -08006343 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006344 int rc;
6345
John W. Linville1064e942005-11-10 12:58:24 -08006346 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006347
6348 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6349
6350 return rc;
6351}
6352
6353static int
6354bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6355{
Michael Chan972ec0d2006-01-23 16:12:43 -08006356 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006357
6358 memset(coal, 0, sizeof(struct ethtool_coalesce));
6359
6360 coal->rx_coalesce_usecs = bp->rx_ticks;
6361 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6362 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6363 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6364
6365 coal->tx_coalesce_usecs = bp->tx_ticks;
6366 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6367 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6368 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6369
6370 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6371
6372 return 0;
6373}
6374
6375static int
6376bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6377{
Michael Chan972ec0d2006-01-23 16:12:43 -08006378 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006379
6380 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6381 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6382
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006383 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006384 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6385
6386 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6387 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6388
6389 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6390 if (bp->rx_quick_cons_trip_int > 0xff)
6391 bp->rx_quick_cons_trip_int = 0xff;
6392
6393 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6394 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6395
6396 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6397 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6398
6399 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6400 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6401
6402 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6403 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6404 0xff;
6405
6406 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006407 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6408 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6409 bp->stats_ticks = USEC_PER_SEC;
6410 }
Michael Chan7ea69202007-07-16 18:27:10 -07006411 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6412 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6413 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006414
6415 if (netif_running(bp->dev)) {
6416 bnx2_netif_stop(bp);
6417 bnx2_init_nic(bp);
6418 bnx2_netif_start(bp);
6419 }
6420
6421 return 0;
6422}
6423
6424static void
6425bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6426{
Michael Chan972ec0d2006-01-23 16:12:43 -08006427 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006428
Michael Chan13daffa2006-03-20 17:49:20 -08006429 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006430 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006431 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006432
6433 ering->rx_pending = bp->rx_ring_size;
6434 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006435 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006436
6437 ering->tx_max_pending = MAX_TX_DESC_CNT;
6438 ering->tx_pending = bp->tx_ring_size;
6439}
6440
6441static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006442bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006443{
Michael Chan13daffa2006-03-20 17:49:20 -08006444 if (netif_running(bp->dev)) {
6445 bnx2_netif_stop(bp);
6446 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6447 bnx2_free_skbs(bp);
6448 bnx2_free_mem(bp);
6449 }
6450
Michael Chan5d5d0012007-12-12 11:17:43 -08006451 bnx2_set_rx_ring_size(bp, rx);
6452 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006453
6454 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006455 int rc;
6456
6457 rc = bnx2_alloc_mem(bp);
6458 if (rc)
6459 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006460 bnx2_init_nic(bp);
6461 bnx2_netif_start(bp);
6462 }
Michael Chanb6016b72005-05-26 13:03:09 -07006463 return 0;
6464}
6465
Michael Chan5d5d0012007-12-12 11:17:43 -08006466static int
6467bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6468{
6469 struct bnx2 *bp = netdev_priv(dev);
6470 int rc;
6471
6472 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6473 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6474 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6475
6476 return -EINVAL;
6477 }
6478 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6479 return rc;
6480}
6481
Michael Chanb6016b72005-05-26 13:03:09 -07006482static void
6483bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6484{
Michael Chan972ec0d2006-01-23 16:12:43 -08006485 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006486
6487 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6488 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6489 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6490}
6491
6492static int
6493bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6494{
Michael Chan972ec0d2006-01-23 16:12:43 -08006495 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006496
6497 bp->req_flow_ctrl = 0;
6498 if (epause->rx_pause)
6499 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6500 if (epause->tx_pause)
6501 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6502
6503 if (epause->autoneg) {
6504 bp->autoneg |= AUTONEG_FLOW_CTRL;
6505 }
6506 else {
6507 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6508 }
6509
Michael Chanc770a652005-08-25 15:38:39 -07006510 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006511
Michael Chan0d8a6572007-07-07 22:49:43 -07006512 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006513
Michael Chanc770a652005-08-25 15:38:39 -07006514 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006515
6516 return 0;
6517}
6518
6519static u32
6520bnx2_get_rx_csum(struct net_device *dev)
6521{
Michael Chan972ec0d2006-01-23 16:12:43 -08006522 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006523
6524 return bp->rx_csum;
6525}
6526
6527static int
6528bnx2_set_rx_csum(struct net_device *dev, u32 data)
6529{
Michael Chan972ec0d2006-01-23 16:12:43 -08006530 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006531
6532 bp->rx_csum = data;
6533 return 0;
6534}
6535
Michael Chanb11d6212006-06-29 12:31:21 -07006536static int
6537bnx2_set_tso(struct net_device *dev, u32 data)
6538{
Michael Chan4666f872007-05-03 13:22:28 -07006539 struct bnx2 *bp = netdev_priv(dev);
6540
6541 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006542 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006543 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6544 dev->features |= NETIF_F_TSO6;
6545 } else
6546 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6547 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006548 return 0;
6549}
6550
Michael Chancea94db2006-06-12 22:16:13 -07006551#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006552
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006553static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006554 char string[ETH_GSTRING_LEN];
6555} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6556 { "rx_bytes" },
6557 { "rx_error_bytes" },
6558 { "tx_bytes" },
6559 { "tx_error_bytes" },
6560 { "rx_ucast_packets" },
6561 { "rx_mcast_packets" },
6562 { "rx_bcast_packets" },
6563 { "tx_ucast_packets" },
6564 { "tx_mcast_packets" },
6565 { "tx_bcast_packets" },
6566 { "tx_mac_errors" },
6567 { "tx_carrier_errors" },
6568 { "rx_crc_errors" },
6569 { "rx_align_errors" },
6570 { "tx_single_collisions" },
6571 { "tx_multi_collisions" },
6572 { "tx_deferred" },
6573 { "tx_excess_collisions" },
6574 { "tx_late_collisions" },
6575 { "tx_total_collisions" },
6576 { "rx_fragments" },
6577 { "rx_jabbers" },
6578 { "rx_undersize_packets" },
6579 { "rx_oversize_packets" },
6580 { "rx_64_byte_packets" },
6581 { "rx_65_to_127_byte_packets" },
6582 { "rx_128_to_255_byte_packets" },
6583 { "rx_256_to_511_byte_packets" },
6584 { "rx_512_to_1023_byte_packets" },
6585 { "rx_1024_to_1522_byte_packets" },
6586 { "rx_1523_to_9022_byte_packets" },
6587 { "tx_64_byte_packets" },
6588 { "tx_65_to_127_byte_packets" },
6589 { "tx_128_to_255_byte_packets" },
6590 { "tx_256_to_511_byte_packets" },
6591 { "tx_512_to_1023_byte_packets" },
6592 { "tx_1024_to_1522_byte_packets" },
6593 { "tx_1523_to_9022_byte_packets" },
6594 { "rx_xon_frames" },
6595 { "rx_xoff_frames" },
6596 { "tx_xon_frames" },
6597 { "tx_xoff_frames" },
6598 { "rx_mac_ctrl_frames" },
6599 { "rx_filtered_packets" },
6600 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006601 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006602};
6603
6604#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6605
Arjan van de Venf71e1302006-03-03 21:33:57 -05006606static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006607 STATS_OFFSET32(stat_IfHCInOctets_hi),
6608 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6609 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6610 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6611 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6612 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6613 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6614 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6615 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6616 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6617 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006618 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6619 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6620 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6621 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6622 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6623 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6624 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6625 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6626 STATS_OFFSET32(stat_EtherStatsCollisions),
6627 STATS_OFFSET32(stat_EtherStatsFragments),
6628 STATS_OFFSET32(stat_EtherStatsJabbers),
6629 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6630 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6631 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6632 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6633 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6634 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6635 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6636 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6637 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6638 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6639 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6640 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6641 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6642 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6643 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6644 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6645 STATS_OFFSET32(stat_XonPauseFramesReceived),
6646 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6647 STATS_OFFSET32(stat_OutXonSent),
6648 STATS_OFFSET32(stat_OutXoffSent),
6649 STATS_OFFSET32(stat_MacControlFramesReceived),
6650 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6651 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006652 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006653};
6654
6655/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6656 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006657 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006658static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006659 8,0,8,8,8,8,8,8,8,8,
6660 4,0,4,4,4,4,4,4,4,4,
6661 4,4,4,4,4,4,4,4,4,4,
6662 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006663 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006664};
6665
Michael Chan5b0c76a2005-11-04 08:45:49 -08006666static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6667 8,0,8,8,8,8,8,8,8,8,
6668 4,4,4,4,4,4,4,4,4,4,
6669 4,4,4,4,4,4,4,4,4,4,
6670 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006671 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006672};
6673
Michael Chanb6016b72005-05-26 13:03:09 -07006674#define BNX2_NUM_TESTS 6
6675
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006676static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006677 char string[ETH_GSTRING_LEN];
6678} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6679 { "register_test (offline)" },
6680 { "memory_test (offline)" },
6681 { "loopback_test (offline)" },
6682 { "nvram_test (online)" },
6683 { "interrupt_test (online)" },
6684 { "link_test (online)" },
6685};
6686
6687static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006688bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006689{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006690 switch (sset) {
6691 case ETH_SS_TEST:
6692 return BNX2_NUM_TESTS;
6693 case ETH_SS_STATS:
6694 return BNX2_NUM_STATS;
6695 default:
6696 return -EOPNOTSUPP;
6697 }
Michael Chanb6016b72005-05-26 13:03:09 -07006698}
6699
6700static void
6701bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6702{
Michael Chan972ec0d2006-01-23 16:12:43 -08006703 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006704
6705 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6706 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006707 int i;
6708
Michael Chanb6016b72005-05-26 13:03:09 -07006709 bnx2_netif_stop(bp);
6710 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6711 bnx2_free_skbs(bp);
6712
6713 if (bnx2_test_registers(bp) != 0) {
6714 buf[0] = 1;
6715 etest->flags |= ETH_TEST_FL_FAILED;
6716 }
6717 if (bnx2_test_memory(bp) != 0) {
6718 buf[1] = 1;
6719 etest->flags |= ETH_TEST_FL_FAILED;
6720 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006721 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006722 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006723
6724 if (!netif_running(bp->dev)) {
6725 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6726 }
6727 else {
6728 bnx2_init_nic(bp);
6729 bnx2_netif_start(bp);
6730 }
6731
6732 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006733 for (i = 0; i < 7; i++) {
6734 if (bp->link_up)
6735 break;
6736 msleep_interruptible(1000);
6737 }
Michael Chanb6016b72005-05-26 13:03:09 -07006738 }
6739
6740 if (bnx2_test_nvram(bp) != 0) {
6741 buf[3] = 1;
6742 etest->flags |= ETH_TEST_FL_FAILED;
6743 }
6744 if (bnx2_test_intr(bp) != 0) {
6745 buf[4] = 1;
6746 etest->flags |= ETH_TEST_FL_FAILED;
6747 }
6748
6749 if (bnx2_test_link(bp) != 0) {
6750 buf[5] = 1;
6751 etest->flags |= ETH_TEST_FL_FAILED;
6752
6753 }
6754}
6755
6756static void
6757bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6758{
6759 switch (stringset) {
6760 case ETH_SS_STATS:
6761 memcpy(buf, bnx2_stats_str_arr,
6762 sizeof(bnx2_stats_str_arr));
6763 break;
6764 case ETH_SS_TEST:
6765 memcpy(buf, bnx2_tests_str_arr,
6766 sizeof(bnx2_tests_str_arr));
6767 break;
6768 }
6769}
6770
Michael Chanb6016b72005-05-26 13:03:09 -07006771static void
6772bnx2_get_ethtool_stats(struct net_device *dev,
6773 struct ethtool_stats *stats, u64 *buf)
6774{
Michael Chan972ec0d2006-01-23 16:12:43 -08006775 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006776 int i;
6777 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006778 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006779
6780 if (hw_stats == NULL) {
6781 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6782 return;
6783 }
6784
Michael Chan5b0c76a2005-11-04 08:45:49 -08006785 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6786 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6787 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6788 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006789 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006790 else
6791 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006792
6793 for (i = 0; i < BNX2_NUM_STATS; i++) {
6794 if (stats_len_arr[i] == 0) {
6795 /* skip this counter */
6796 buf[i] = 0;
6797 continue;
6798 }
6799 if (stats_len_arr[i] == 4) {
6800 /* 4-byte counter */
6801 buf[i] = (u64)
6802 *(hw_stats + bnx2_stats_offset_arr[i]);
6803 continue;
6804 }
6805 /* 8-byte counter */
6806 buf[i] = (((u64) *(hw_stats +
6807 bnx2_stats_offset_arr[i])) << 32) +
6808 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6809 }
6810}
6811
6812static int
6813bnx2_phys_id(struct net_device *dev, u32 data)
6814{
Michael Chan972ec0d2006-01-23 16:12:43 -08006815 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006816 int i;
6817 u32 save;
6818
6819 if (data == 0)
6820 data = 2;
6821
6822 save = REG_RD(bp, BNX2_MISC_CFG);
6823 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6824
6825 for (i = 0; i < (data * 2); i++) {
6826 if ((i % 2) == 0) {
6827 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6828 }
6829 else {
6830 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6831 BNX2_EMAC_LED_1000MB_OVERRIDE |
6832 BNX2_EMAC_LED_100MB_OVERRIDE |
6833 BNX2_EMAC_LED_10MB_OVERRIDE |
6834 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6835 BNX2_EMAC_LED_TRAFFIC);
6836 }
6837 msleep_interruptible(500);
6838 if (signal_pending(current))
6839 break;
6840 }
6841 REG_WR(bp, BNX2_EMAC_LED, 0);
6842 REG_WR(bp, BNX2_MISC_CFG, save);
6843 return 0;
6844}
6845
Michael Chan4666f872007-05-03 13:22:28 -07006846static int
6847bnx2_set_tx_csum(struct net_device *dev, u32 data)
6848{
6849 struct bnx2 *bp = netdev_priv(dev);
6850
6851 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006852 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006853 else
6854 return (ethtool_op_set_tx_csum(dev, data));
6855}
6856
Jeff Garzik7282d492006-09-13 14:30:00 -04006857static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006858 .get_settings = bnx2_get_settings,
6859 .set_settings = bnx2_set_settings,
6860 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006861 .get_regs_len = bnx2_get_regs_len,
6862 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006863 .get_wol = bnx2_get_wol,
6864 .set_wol = bnx2_set_wol,
6865 .nway_reset = bnx2_nway_reset,
6866 .get_link = ethtool_op_get_link,
6867 .get_eeprom_len = bnx2_get_eeprom_len,
6868 .get_eeprom = bnx2_get_eeprom,
6869 .set_eeprom = bnx2_set_eeprom,
6870 .get_coalesce = bnx2_get_coalesce,
6871 .set_coalesce = bnx2_set_coalesce,
6872 .get_ringparam = bnx2_get_ringparam,
6873 .set_ringparam = bnx2_set_ringparam,
6874 .get_pauseparam = bnx2_get_pauseparam,
6875 .set_pauseparam = bnx2_set_pauseparam,
6876 .get_rx_csum = bnx2_get_rx_csum,
6877 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07006878 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07006879 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07006880 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07006881 .self_test = bnx2_self_test,
6882 .get_strings = bnx2_get_strings,
6883 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07006884 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006885 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07006886};
6887
6888/* Called with rtnl_lock */
6889static int
6890bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6891{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006892 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08006893 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006894 int err;
6895
6896 switch(cmd) {
6897 case SIOCGMIIPHY:
6898 data->phy_id = bp->phy_addr;
6899
6900 /* fallthru */
6901 case SIOCGMIIREG: {
6902 u32 mii_regval;
6903
Michael Chan583c28e2008-01-21 19:51:35 -08006904 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006905 return -EOPNOTSUPP;
6906
Michael Chandad3e452007-05-03 13:18:03 -07006907 if (!netif_running(dev))
6908 return -EAGAIN;
6909
Michael Chanc770a652005-08-25 15:38:39 -07006910 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006911 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07006912 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006913
6914 data->val_out = mii_regval;
6915
6916 return err;
6917 }
6918
6919 case SIOCSMIIREG:
6920 if (!capable(CAP_NET_ADMIN))
6921 return -EPERM;
6922
Michael Chan583c28e2008-01-21 19:51:35 -08006923 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006924 return -EOPNOTSUPP;
6925
Michael Chandad3e452007-05-03 13:18:03 -07006926 if (!netif_running(dev))
6927 return -EAGAIN;
6928
Michael Chanc770a652005-08-25 15:38:39 -07006929 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006930 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07006931 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006932
6933 return err;
6934
6935 default:
6936 /* do nothing */
6937 break;
6938 }
6939 return -EOPNOTSUPP;
6940}
6941
6942/* Called with rtnl_lock */
6943static int
6944bnx2_change_mac_addr(struct net_device *dev, void *p)
6945{
6946 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08006947 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006948
Michael Chan73eef4c2005-08-25 15:39:15 -07006949 if (!is_valid_ether_addr(addr->sa_data))
6950 return -EINVAL;
6951
Michael Chanb6016b72005-05-26 13:03:09 -07006952 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6953 if (netif_running(dev))
6954 bnx2_set_mac_addr(bp);
6955
6956 return 0;
6957}
6958
6959/* Called with rtnl_lock */
6960static int
6961bnx2_change_mtu(struct net_device *dev, int new_mtu)
6962{
Michael Chan972ec0d2006-01-23 16:12:43 -08006963 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006964
6965 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6966 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6967 return -EINVAL;
6968
6969 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08006970 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07006971}
6972
6973#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6974static void
6975poll_bnx2(struct net_device *dev)
6976{
Michael Chan972ec0d2006-01-23 16:12:43 -08006977 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006978
6979 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01006980 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006981 enable_irq(bp->pdev->irq);
6982}
6983#endif
6984
Michael Chan253c8b72007-01-08 19:56:01 -08006985static void __devinit
6986bnx2_get_5709_media(struct bnx2 *bp)
6987{
6988 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6989 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6990 u32 strap;
6991
6992 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6993 return;
6994 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08006995 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08006996 return;
6997 }
6998
6999 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7000 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7001 else
7002 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7003
7004 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7005 switch (strap) {
7006 case 0x4:
7007 case 0x5:
7008 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007009 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007010 return;
7011 }
7012 } else {
7013 switch (strap) {
7014 case 0x1:
7015 case 0x2:
7016 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007017 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007018 return;
7019 }
7020 }
7021}
7022
Michael Chan883e5152007-05-03 13:25:11 -07007023static void __devinit
7024bnx2_get_pci_speed(struct bnx2 *bp)
7025{
7026 u32 reg;
7027
7028 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7029 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7030 u32 clkreg;
7031
David S. Millerf86e82f2008-01-21 17:15:40 -08007032 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007033
7034 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7035
7036 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7037 switch (clkreg) {
7038 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7039 bp->bus_speed_mhz = 133;
7040 break;
7041
7042 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7043 bp->bus_speed_mhz = 100;
7044 break;
7045
7046 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7047 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7048 bp->bus_speed_mhz = 66;
7049 break;
7050
7051 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7052 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7053 bp->bus_speed_mhz = 50;
7054 break;
7055
7056 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7057 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7058 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7059 bp->bus_speed_mhz = 33;
7060 break;
7061 }
7062 }
7063 else {
7064 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7065 bp->bus_speed_mhz = 66;
7066 else
7067 bp->bus_speed_mhz = 33;
7068 }
7069
7070 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007071 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007072
7073}
7074
Michael Chanb6016b72005-05-26 13:03:09 -07007075static int __devinit
7076bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7077{
7078 struct bnx2 *bp;
7079 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007080 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007081 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007082 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007083
Michael Chanb6016b72005-05-26 13:03:09 -07007084 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007085 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007086
7087 bp->flags = 0;
7088 bp->phy_flags = 0;
7089
7090 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7091 rc = pci_enable_device(pdev);
7092 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007093 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007094 goto err_out;
7095 }
7096
7097 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007098 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007099 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007100 rc = -ENODEV;
7101 goto err_out_disable;
7102 }
7103
7104 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7105 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007106 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007107 goto err_out_disable;
7108 }
7109
7110 pci_set_master(pdev);
7111
7112 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7113 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007114 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007115 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007116 rc = -EIO;
7117 goto err_out_release;
7118 }
7119
Michael Chanb6016b72005-05-26 13:03:09 -07007120 bp->dev = dev;
7121 bp->pdev = pdev;
7122
7123 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007124 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007125 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007126
7127 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007128 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007129 dev->mem_end = dev->mem_start + mem_len;
7130 dev->irq = pdev->irq;
7131
7132 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7133
7134 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007135 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007136 rc = -ENOMEM;
7137 goto err_out_release;
7138 }
7139
7140 /* Configure byte swap and enable write to the reg_window registers.
7141 * Rely on CPU to do target byte swapping on big endian systems
7142 * The chip's target access swapping will not swap all accesses
7143 */
7144 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7145 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7146 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7147
Pavel Machek829ca9a2005-09-03 15:56:56 -07007148 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007149
7150 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7151
Michael Chan883e5152007-05-03 13:25:11 -07007152 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7153 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7154 dev_err(&pdev->dev,
7155 "Cannot find PCIE capability, aborting.\n");
7156 rc = -EIO;
7157 goto err_out_unmap;
7158 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007159 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007160 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007161 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007162 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007163 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7164 if (bp->pcix_cap == 0) {
7165 dev_err(&pdev->dev,
7166 "Cannot find PCIX capability, aborting.\n");
7167 rc = -EIO;
7168 goto err_out_unmap;
7169 }
7170 }
7171
Michael Chanb4b36042007-12-20 19:59:30 -08007172 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7173 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007174 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007175 }
7176
Michael Chan8e6a72c2007-05-03 13:24:48 -07007177 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7178 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007179 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007180 }
7181
Michael Chan40453c82007-05-03 13:19:18 -07007182 /* 5708 cannot support DMA addresses > 40-bit. */
7183 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7184 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7185 else
7186 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7187
7188 /* Configure DMA attributes. */
7189 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7190 dev->features |= NETIF_F_HIGHDMA;
7191 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7192 if (rc) {
7193 dev_err(&pdev->dev,
7194 "pci_set_consistent_dma_mask failed, aborting.\n");
7195 goto err_out_unmap;
7196 }
7197 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7198 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7199 goto err_out_unmap;
7200 }
7201
David S. Millerf86e82f2008-01-21 17:15:40 -08007202 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007203 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007204
7205 /* 5706A0 may falsely detect SERR and PERR. */
7206 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7207 reg = REG_RD(bp, PCI_COMMAND);
7208 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7209 REG_WR(bp, PCI_COMMAND, reg);
7210 }
7211 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007212 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007213
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007214 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007215 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007216 goto err_out_unmap;
7217 }
7218
7219 bnx2_init_nvram(bp);
7220
Michael Chan2726d6e2008-01-29 21:35:05 -08007221 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007222
7223 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007224 BNX2_SHM_HDR_SIGNATURE_SIG) {
7225 u32 off = PCI_FUNC(pdev->devfn) << 2;
7226
Michael Chan2726d6e2008-01-29 21:35:05 -08007227 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007228 } else
Michael Chane3648b32005-11-04 08:51:21 -08007229 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7230
Michael Chanb6016b72005-05-26 13:03:09 -07007231 /* Get the permanent MAC address. First we need to make sure the
7232 * firmware is actually running.
7233 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007234 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007235
7236 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7237 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007238 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007239 rc = -ENODEV;
7240 goto err_out_unmap;
7241 }
7242
Michael Chan2726d6e2008-01-29 21:35:05 -08007243 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007244 for (i = 0, j = 0; i < 3; i++) {
7245 u8 num, k, skip0;
7246
7247 num = (u8) (reg >> (24 - (i * 8)));
7248 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7249 if (num >= k || !skip0 || k == 1) {
7250 bp->fw_version[j++] = (num / k) + '0';
7251 skip0 = 0;
7252 }
7253 }
7254 if (i != 2)
7255 bp->fw_version[j++] = '.';
7256 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007257 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007258 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7259 bp->wol = 1;
7260
7261 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007262 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007263
7264 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007265 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007266 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7267 break;
7268 msleep(10);
7269 }
7270 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007271 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007272 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7273 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7274 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7275 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007276 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007277
7278 bp->fw_version[j++] = ' ';
7279 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007280 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007281 reg = swab32(reg);
7282 memcpy(&bp->fw_version[j], &reg, 4);
7283 j += 4;
7284 }
7285 }
Michael Chanb6016b72005-05-26 13:03:09 -07007286
Michael Chan2726d6e2008-01-29 21:35:05 -08007287 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007288 bp->mac_addr[0] = (u8) (reg >> 8);
7289 bp->mac_addr[1] = (u8) reg;
7290
Michael Chan2726d6e2008-01-29 21:35:05 -08007291 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007292 bp->mac_addr[2] = (u8) (reg >> 24);
7293 bp->mac_addr[3] = (u8) (reg >> 16);
7294 bp->mac_addr[4] = (u8) (reg >> 8);
7295 bp->mac_addr[5] = (u8) reg;
7296
Michael Chan5d5d0012007-12-12 11:17:43 -08007297 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7298
Michael Chanb6016b72005-05-26 13:03:09 -07007299 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007300 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007301
7302 bp->rx_csum = 1;
7303
Michael Chanb6016b72005-05-26 13:03:09 -07007304 bp->tx_quick_cons_trip_int = 20;
7305 bp->tx_quick_cons_trip = 20;
7306 bp->tx_ticks_int = 80;
7307 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007308
Michael Chanb6016b72005-05-26 13:03:09 -07007309 bp->rx_quick_cons_trip_int = 6;
7310 bp->rx_quick_cons_trip = 6;
7311 bp->rx_ticks_int = 18;
7312 bp->rx_ticks = 18;
7313
Michael Chan7ea69202007-07-16 18:27:10 -07007314 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007315
7316 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007317 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007318
Michael Chan5b0c76a2005-11-04 08:45:49 -08007319 bp->phy_addr = 1;
7320
Michael Chanb6016b72005-05-26 13:03:09 -07007321 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007322 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7323 bnx2_get_5709_media(bp);
7324 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007325 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007326
Michael Chan0d8a6572007-07-07 22:49:43 -07007327 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007328 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007329 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007330 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007331 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007332 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007333 bp->wol = 0;
7334 }
Michael Chan38ea3682008-02-23 19:48:57 -08007335 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7336 /* Don't do parallel detect on this board because of
7337 * some board problems. The link will not go down
7338 * if we do parallel detect.
7339 */
7340 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7341 pdev->subsystem_device == 0x310c)
7342 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7343 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007344 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007345 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007346 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007347 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007348 bnx2_init_remote_phy(bp);
7349
Michael Chan261dd5c2007-01-08 19:55:46 -08007350 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7351 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007352 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007353 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7354 (CHIP_REV(bp) == CHIP_REV_Ax ||
7355 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007356 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007357
Michael Chan16088272006-06-12 22:16:43 -07007358 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7359 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007360 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007361 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007362 bp->wol = 0;
7363 }
Michael Chandda1e392006-01-23 16:08:14 -08007364
Michael Chanb6016b72005-05-26 13:03:09 -07007365 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7366 bp->tx_quick_cons_trip_int =
7367 bp->tx_quick_cons_trip;
7368 bp->tx_ticks_int = bp->tx_ticks;
7369 bp->rx_quick_cons_trip_int =
7370 bp->rx_quick_cons_trip;
7371 bp->rx_ticks_int = bp->rx_ticks;
7372 bp->comp_prod_trip_int = bp->comp_prod_trip;
7373 bp->com_ticks_int = bp->com_ticks;
7374 bp->cmd_ticks_int = bp->cmd_ticks;
7375 }
7376
Michael Chanf9317a42006-09-29 17:06:23 -07007377 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7378 *
7379 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7380 * with byte enables disabled on the unused 32-bit word. This is legal
7381 * but causes problems on the AMD 8132 which will eventually stop
7382 * responding after a while.
7383 *
7384 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007385 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007386 */
7387 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7388 struct pci_dev *amd_8132 = NULL;
7389
7390 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7391 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7392 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007393
Auke Kok44c10132007-06-08 15:46:36 -07007394 if (amd_8132->revision >= 0x10 &&
7395 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007396 disable_msi = 1;
7397 pci_dev_put(amd_8132);
7398 break;
7399 }
7400 }
7401 }
7402
Michael Chandeaf3912007-07-07 22:48:00 -07007403 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007404 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7405
Michael Chancd339a02005-08-25 15:35:24 -07007406 init_timer(&bp->timer);
7407 bp->timer.expires = RUN_AT(bp->timer_interval);
7408 bp->timer.data = (unsigned long) bp;
7409 bp->timer.function = bnx2_timer;
7410
Michael Chanb6016b72005-05-26 13:03:09 -07007411 return 0;
7412
7413err_out_unmap:
7414 if (bp->regview) {
7415 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007416 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007417 }
7418
7419err_out_release:
7420 pci_release_regions(pdev);
7421
7422err_out_disable:
7423 pci_disable_device(pdev);
7424 pci_set_drvdata(pdev, NULL);
7425
7426err_out:
7427 return rc;
7428}
7429
Michael Chan883e5152007-05-03 13:25:11 -07007430static char * __devinit
7431bnx2_bus_string(struct bnx2 *bp, char *str)
7432{
7433 char *s = str;
7434
David S. Millerf86e82f2008-01-21 17:15:40 -08007435 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007436 s += sprintf(s, "PCI Express");
7437 } else {
7438 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007439 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007440 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007441 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007442 s += sprintf(s, " 32-bit");
7443 else
7444 s += sprintf(s, " 64-bit");
7445 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7446 }
7447 return str;
7448}
7449
Michael Chan2ba582b2007-12-21 15:04:49 -08007450static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007451bnx2_init_napi(struct bnx2 *bp)
7452{
Michael Chanb4b36042007-12-20 19:59:30 -08007453 int i;
7454 struct bnx2_napi *bnapi;
Michael Chan35efa7c2007-12-20 19:56:37 -08007455
Michael Chanb4b36042007-12-20 19:59:30 -08007456 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7457 bnapi = &bp->bnx2_napi[i];
7458 bnapi->bp = bp;
7459 }
7460 netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
Michael Chan57851d82007-12-20 20:01:44 -08007461 netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7462 64);
Michael Chan35efa7c2007-12-20 19:56:37 -08007463}
7464
7465static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007466bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7467{
7468 static int version_printed = 0;
7469 struct net_device *dev = NULL;
7470 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007471 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007472 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007473 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007474
7475 if (version_printed++ == 0)
7476 printk(KERN_INFO "%s", version);
7477
7478 /* dev zeroed in init_etherdev */
7479 dev = alloc_etherdev(sizeof(*bp));
7480
7481 if (!dev)
7482 return -ENOMEM;
7483
7484 rc = bnx2_init_board(pdev, dev);
7485 if (rc < 0) {
7486 free_netdev(dev);
7487 return rc;
7488 }
7489
7490 dev->open = bnx2_open;
7491 dev->hard_start_xmit = bnx2_start_xmit;
7492 dev->stop = bnx2_close;
7493 dev->get_stats = bnx2_get_stats;
7494 dev->set_multicast_list = bnx2_set_rx_mode;
7495 dev->do_ioctl = bnx2_ioctl;
7496 dev->set_mac_address = bnx2_change_mac_addr;
7497 dev->change_mtu = bnx2_change_mtu;
7498 dev->tx_timeout = bnx2_tx_timeout;
7499 dev->watchdog_timeo = TX_TIMEOUT;
7500#ifdef BCM_VLAN
7501 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007502#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007503 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007504
Michael Chan972ec0d2006-01-23 16:12:43 -08007505 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007506 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007507
7508#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7509 dev->poll_controller = poll_bnx2;
7510#endif
7511
Michael Chan1b2f9222007-05-03 13:20:19 -07007512 pci_set_drvdata(pdev, dev);
7513
7514 memcpy(dev->dev_addr, bp->mac_addr, 6);
7515 memcpy(dev->perm_addr, bp->mac_addr, 6);
7516 bp->name = board_info[ent->driver_data].name;
7517
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007518 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007519 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007520 dev->features |= NETIF_F_IPV6_CSUM;
7521
Michael Chan1b2f9222007-05-03 13:20:19 -07007522#ifdef BCM_VLAN
7523 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7524#endif
7525 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007526 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7527 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007528
Michael Chanb6016b72005-05-26 13:03:09 -07007529 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007530 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007531 if (bp->regview)
7532 iounmap(bp->regview);
7533 pci_release_regions(pdev);
7534 pci_disable_device(pdev);
7535 pci_set_drvdata(pdev, NULL);
7536 free_netdev(dev);
7537 return rc;
7538 }
7539
Michael Chan883e5152007-05-03 13:25:11 -07007540 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007541 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007542 dev->name,
7543 bp->name,
7544 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7545 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007546 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007547 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007548 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007549
Michael Chanb6016b72005-05-26 13:03:09 -07007550 return 0;
7551}
7552
7553static void __devexit
7554bnx2_remove_one(struct pci_dev *pdev)
7555{
7556 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007557 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007558
Michael Chanafdc08b2005-08-25 15:34:29 -07007559 flush_scheduled_work();
7560
Michael Chanb6016b72005-05-26 13:03:09 -07007561 unregister_netdev(dev);
7562
7563 if (bp->regview)
7564 iounmap(bp->regview);
7565
7566 free_netdev(dev);
7567 pci_release_regions(pdev);
7568 pci_disable_device(pdev);
7569 pci_set_drvdata(pdev, NULL);
7570}
7571
7572static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007573bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007574{
7575 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007576 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007577 u32 reset_code;
7578
Michael Chan6caebb02007-08-03 20:57:25 -07007579 /* PCI register 4 needs to be saved whether netif_running() or not.
7580 * MSI address and data need to be saved if using MSI and
7581 * netif_running().
7582 */
7583 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007584 if (!netif_running(dev))
7585 return 0;
7586
Michael Chan1d60290f2006-03-20 17:50:08 -08007587 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007588 bnx2_netif_stop(bp);
7589 netif_device_detach(dev);
7590 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007591 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007592 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007593 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007594 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7595 else
7596 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7597 bnx2_reset_chip(bp, reset_code);
7598 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007599 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007600 return 0;
7601}
7602
7603static int
7604bnx2_resume(struct pci_dev *pdev)
7605{
7606 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007607 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007608
Michael Chan6caebb02007-08-03 20:57:25 -07007609 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007610 if (!netif_running(dev))
7611 return 0;
7612
Pavel Machek829ca9a2005-09-03 15:56:56 -07007613 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007614 netif_device_attach(dev);
7615 bnx2_init_nic(bp);
7616 bnx2_netif_start(bp);
7617 return 0;
7618}
7619
7620static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007621 .name = DRV_MODULE_NAME,
7622 .id_table = bnx2_pci_tbl,
7623 .probe = bnx2_init_one,
7624 .remove = __devexit_p(bnx2_remove_one),
7625 .suspend = bnx2_suspend,
7626 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07007627};
7628
7629static int __init bnx2_init(void)
7630{
Jeff Garzik29917622006-08-19 17:48:59 -04007631 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007632}
7633
7634static void __exit bnx2_cleanup(void)
7635{
7636 pci_unregister_driver(&bnx2_pci_driver);
7637}
7638
7639module_init(bnx2_init);
7640module_exit(bnx2_cleanup);
7641
7642
7643