blob: 942ae06843ba43b4bb2ec29fe414af41daac65cd [file] [log] [blame]
Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanfeebb332008-01-21 17:07:29 -08003 * Copyright (c) 2004-2008 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Michael Chanf2a4f052006-03-23 01:13:12 -080012
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15
16#include <linux/kernel.h>
17#include <linux/timer.h>
18#include <linux/errno.h>
19#include <linux/ioport.h>
20#include <linux/slab.h>
21#include <linux/vmalloc.h>
22#include <linux/interrupt.h>
23#include <linux/pci.h>
24#include <linux/init.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/skbuff.h>
28#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070029#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080030#include <asm/io.h>
31#include <asm/irq.h>
32#include <linux/delay.h>
33#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070034#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080035#include <linux/time.h>
36#include <linux/ethtool.h>
37#include <linux/mii.h>
38#ifdef NETIF_F_HW_VLAN_TX
39#include <linux/if_vlan.h>
40#define BCM_VLAN 1
41#endif
Michael Chanf2a4f052006-03-23 01:13:12 -080042#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070043#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080044#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080048#include <linux/cache.h>
Michael Chanfba9fe92006-06-12 22:21:25 -070049#include <linux/zlib.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080050
Michael Chanb6016b72005-05-26 13:03:09 -070051#include "bnx2.h"
52#include "bnx2_fw.h"
Michael Chand43584c2006-11-19 14:14:35 -080053#include "bnx2_fw2.h"
Michael Chanb6016b72005-05-26 13:03:09 -070054
Michael Chan110d0ef2007-12-12 11:18:34 -080055#define FW_BUF_SIZE 0x10000
Denys Vlasenkob3448b02007-09-30 17:55:51 -070056
Michael Chanb6016b72005-05-26 13:03:09 -070057#define DRV_MODULE_NAME "bnx2"
58#define PFX DRV_MODULE_NAME ": "
Michael Chanc73b1d12008-02-23 19:49:48 -080059#define DRV_MODULE_VERSION "1.7.4"
60#define DRV_MODULE_RELDATE "February 18, 2008"
Michael Chanb6016b72005-05-26 13:03:09 -070061
62#define RUN_AT(x) (jiffies + (x))
63
64/* Time in jiffies before concluding the transmitter is hung. */
65#define TX_TIMEOUT (5*HZ)
66
Andrew Mortonfefa8642008-02-09 23:17:15 -080067static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070068 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
69
70MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Michael Chan05d0f1c2005-11-04 08:53:48 -080071MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070072MODULE_LICENSE("GPL");
73MODULE_VERSION(DRV_MODULE_VERSION);
74
75static int disable_msi = 0;
76
77module_param(disable_msi, int, 0);
78MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
79
80typedef enum {
81 BCM5706 = 0,
82 NC370T,
83 NC370I,
84 BCM5706S,
85 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080086 BCM5708,
87 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -080088 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -070089 BCM5709S,
Michael Chanb6016b72005-05-26 13:03:09 -070090} board_t;
91
92/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -080093static struct {
Michael Chanb6016b72005-05-26 13:03:09 -070094 char *name;
95} board_info[] __devinitdata = {
96 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
97 { "HP NC370T Multifunction Gigabit Server Adapter" },
98 { "HP NC370i Multifunction Gigabit Server Adapter" },
99 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
100 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800101 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800103 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700104 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700105 };
106
107static struct pci_device_id bnx2_pci_tbl[] = {
108 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
109 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
110 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
111 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
112 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
117 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chanb6016b72005-05-26 13:03:09 -0700126 { 0, }
127};
128
129static struct flash_spec flash_table[] =
130{
Michael Chane30372c2007-07-16 18:26:23 -0700131#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700133 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800134 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700135 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700136 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800138 /* Expansion entry 0001 */
139 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700140 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800141 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700143 /* Saifun SA25F010 (non-buffered flash) */
144 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800145 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700146 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700147 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
148 "Non-buffered flash (128kB)"},
149 /* Saifun SA25F020 (non-buffered flash) */
150 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800151 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700152 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700153 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800155 /* Expansion entry 0100 */
156 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800158 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159 "Entry 0100"},
160 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400161 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700162 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800163 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
164 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
165 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
166 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800168 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
169 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
170 /* Saifun SA25F005 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
172 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
175 "Non-buffered flash (64kB)"},
176 /* Fast EEPROM */
177 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700178 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800179 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180 "EEPROM - fast"},
181 /* Expansion entry 1001 */
182 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700183 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800184 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185 "Entry 1001"},
186 /* Expansion entry 1010 */
187 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1010"},
191 /* ATMEL AT45DB011B (buffered flash) */
192 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700193 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195 "Buffered flash (128kB)"},
196 /* Expansion entry 1100 */
197 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700198 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200 "Entry 1100"},
201 /* Expansion entry 1101 */
202 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1101"},
206 /* Ateml Expansion entry 1110 */
207 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700208 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1110 (Atmel)"},
211 /* ATMEL AT45DB021B (buffered flash) */
212 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700216};
217
Michael Chane30372c2007-07-16 18:26:23 -0700218static struct flash_spec flash_5709 = {
219 .flags = BNX2_NV_BUFFERED,
220 .page_bits = BCM5709_FLASH_PAGE_BITS,
221 .page_size = BCM5709_FLASH_PAGE_SIZE,
222 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
223 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
224 .name = "5709 Buffered flash (256kB)",
225};
226
Michael Chanb6016b72005-05-26 13:03:09 -0700227MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
Michael Chana550c992007-12-20 19:56:59 -0800229static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chane89bbf12005-08-25 15:36:58 -0700230{
Michael Chan2f8af122006-08-15 01:39:10 -0700231 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700232
Michael Chan2f8af122006-08-15 01:39:10 -0700233 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800234
235 /* The ring uses 256 indices for 255 entries, one of them
236 * needs to be skipped.
237 */
Michael Chana550c992007-12-20 19:56:59 -0800238 diff = bp->tx_prod - bnapi->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800239 if (unlikely(diff >= TX_DESC_CNT)) {
240 diff &= 0xffff;
241 if (diff == TX_DESC_CNT)
242 diff = MAX_TX_DESC_CNT;
243 }
Michael Chane89bbf12005-08-25 15:36:58 -0700244 return (bp->tx_ring_size - diff);
245}
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247static u32
248bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249{
Michael Chan1b8227c2007-05-03 13:24:05 -0700250 u32 val;
251
252 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700253 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700254 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255 spin_unlock_bh(&bp->indirect_lock);
256 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700257}
258
259static void
260bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261{
Michael Chan1b8227c2007-05-03 13:24:05 -0700262 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700263 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700265 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700266}
267
268static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800269bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270{
271 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272}
273
274static u32
275bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276{
277 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278}
279
280static void
Michael Chanb6016b72005-05-26 13:03:09 -0700281bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282{
283 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700284 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800285 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
286 int i;
287
288 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
289 REG_WR(bp, BNX2_CTX_CTX_CTRL,
290 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
291 for (i = 0; i < 5; i++) {
292 u32 val;
293 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
294 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
295 break;
296 udelay(5);
297 }
298 } else {
299 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
300 REG_WR(bp, BNX2_CTX_DATA, val);
301 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700302 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700303}
304
305static int
306bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307{
308 u32 val1;
309 int i, ret;
310
Michael Chan583c28e2008-01-21 19:51:35 -0800311 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700312 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
313 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
314
315 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
316 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317
318 udelay(40);
319 }
320
321 val1 = (bp->phy_addr << 21) | (reg << 16) |
322 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
323 BNX2_EMAC_MDIO_COMM_START_BUSY;
324 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
325
326 for (i = 0; i < 50; i++) {
327 udelay(10);
328
329 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
330 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
331 udelay(5);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
335
336 break;
337 }
338 }
339
340 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
341 *val = 0x0;
342 ret = -EBUSY;
343 }
344 else {
345 *val = val1;
346 ret = 0;
347 }
348
Michael Chan583c28e2008-01-21 19:51:35 -0800349 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700350 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
351 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
352
353 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
354 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355
356 udelay(40);
357 }
358
359 return ret;
360}
361
362static int
363bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364{
365 u32 val1;
366 int i, ret;
367
Michael Chan583c28e2008-01-21 19:51:35 -0800368 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700369 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
370 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
371
372 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
373 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374
375 udelay(40);
376 }
377
378 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
379 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
380 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
381 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400382
Michael Chanb6016b72005-05-26 13:03:09 -0700383 for (i = 0; i < 50; i++) {
384 udelay(10);
385
386 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
387 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
388 udelay(5);
389 break;
390 }
391 }
392
393 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
394 ret = -EBUSY;
395 else
396 ret = 0;
397
Michael Chan583c28e2008-01-21 19:51:35 -0800398 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700399 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
400 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
401
402 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
403 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404
405 udelay(40);
406 }
407
408 return ret;
409}
410
411static void
412bnx2_disable_int(struct bnx2 *bp)
413{
Michael Chanb4b36042007-12-20 19:59:30 -0800414 int i;
415 struct bnx2_napi *bnapi;
416
417 for (i = 0; i < bp->irq_nvecs; i++) {
418 bnapi = &bp->bnx2_napi[i];
419 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
420 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
421 }
Michael Chanb6016b72005-05-26 13:03:09 -0700422 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423}
424
425static void
426bnx2_enable_int(struct bnx2 *bp)
427{
Michael Chanb4b36042007-12-20 19:59:30 -0800428 int i;
429 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800430
Michael Chanb4b36042007-12-20 19:59:30 -0800431 for (i = 0; i < bp->irq_nvecs; i++) {
432 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800433
Michael Chanb4b36042007-12-20 19:59:30 -0800434 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
435 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
436 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
437 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700438
Michael Chanb4b36042007-12-20 19:59:30 -0800439 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
440 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
441 bnapi->last_status_idx);
442 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800443 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700444}
445
446static void
447bnx2_disable_int_sync(struct bnx2 *bp)
448{
Michael Chanb4b36042007-12-20 19:59:30 -0800449 int i;
450
Michael Chanb6016b72005-05-26 13:03:09 -0700451 atomic_inc(&bp->intr_sem);
452 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800453 for (i = 0; i < bp->irq_nvecs; i++)
454 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700455}
456
457static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800458bnx2_napi_disable(struct bnx2 *bp)
459{
Michael Chanb4b36042007-12-20 19:59:30 -0800460 int i;
461
462 for (i = 0; i < bp->irq_nvecs; i++)
463 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800464}
465
466static void
467bnx2_napi_enable(struct bnx2 *bp)
468{
Michael Chanb4b36042007-12-20 19:59:30 -0800469 int i;
470
471 for (i = 0; i < bp->irq_nvecs; i++)
472 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800473}
474
475static void
Michael Chanb6016b72005-05-26 13:03:09 -0700476bnx2_netif_stop(struct bnx2 *bp)
477{
478 bnx2_disable_int_sync(bp);
479 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800480 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700481 netif_tx_disable(bp->dev);
482 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483 }
484}
485
486static void
487bnx2_netif_start(struct bnx2 *bp)
488{
489 if (atomic_dec_and_test(&bp->intr_sem)) {
490 if (netif_running(bp->dev)) {
491 netif_wake_queue(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800492 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700493 bnx2_enable_int(bp);
494 }
495 }
496}
497
498static void
499bnx2_free_mem(struct bnx2 *bp)
500{
Michael Chan13daffa2006-03-20 17:49:20 -0800501 int i;
502
Michael Chan59b47d82006-11-19 14:10:45 -0800503 for (i = 0; i < bp->ctx_pages; i++) {
504 if (bp->ctx_blk[i]) {
505 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
506 bp->ctx_blk[i],
507 bp->ctx_blk_mapping[i]);
508 bp->ctx_blk[i] = NULL;
509 }
510 }
Michael Chanb6016b72005-05-26 13:03:09 -0700511 if (bp->status_blk) {
Michael Chan0f31f992006-03-23 01:12:38 -0800512 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700513 bp->status_blk, bp->status_blk_mapping);
514 bp->status_blk = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800515 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700516 }
517 if (bp->tx_desc_ring) {
Michael Chane343d552007-12-12 11:16:19 -0800518 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700519 bp->tx_desc_ring, bp->tx_desc_mapping);
520 bp->tx_desc_ring = NULL;
521 }
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400522 kfree(bp->tx_buf_ring);
523 bp->tx_buf_ring = NULL;
Michael Chan13daffa2006-03-20 17:49:20 -0800524 for (i = 0; i < bp->rx_max_ring; i++) {
525 if (bp->rx_desc_ring[i])
Michael Chane343d552007-12-12 11:16:19 -0800526 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800527 bp->rx_desc_ring[i],
528 bp->rx_desc_mapping[i]);
529 bp->rx_desc_ring[i] = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700530 }
Michael Chan13daffa2006-03-20 17:49:20 -0800531 vfree(bp->rx_buf_ring);
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400532 bp->rx_buf_ring = NULL;
Michael Chan47bf4242007-12-12 11:19:12 -0800533 for (i = 0; i < bp->rx_max_pg_ring; i++) {
534 if (bp->rx_pg_desc_ring[i])
535 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
536 bp->rx_pg_desc_ring[i],
537 bp->rx_pg_desc_mapping[i]);
538 bp->rx_pg_desc_ring[i] = NULL;
539 }
540 if (bp->rx_pg_ring)
541 vfree(bp->rx_pg_ring);
542 bp->rx_pg_ring = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700543}
544
545static int
546bnx2_alloc_mem(struct bnx2 *bp)
547{
Michael Chan0f31f992006-03-23 01:12:38 -0800548 int i, status_blk_size;
Michael Chan13daffa2006-03-20 17:49:20 -0800549
Michael Chane343d552007-12-12 11:16:19 -0800550 bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
Michael Chanb6016b72005-05-26 13:03:09 -0700551 if (bp->tx_buf_ring == NULL)
552 return -ENOMEM;
553
Michael Chane343d552007-12-12 11:16:19 -0800554 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700555 &bp->tx_desc_mapping);
556 if (bp->tx_desc_ring == NULL)
557 goto alloc_mem_err;
558
Michael Chane343d552007-12-12 11:16:19 -0800559 bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanb6016b72005-05-26 13:03:09 -0700560 if (bp->rx_buf_ring == NULL)
561 goto alloc_mem_err;
562
Michael Chane343d552007-12-12 11:16:19 -0800563 memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chan13daffa2006-03-20 17:49:20 -0800564
565 for (i = 0; i < bp->rx_max_ring; i++) {
566 bp->rx_desc_ring[i] =
Michael Chane343d552007-12-12 11:16:19 -0800567 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800568 &bp->rx_desc_mapping[i]);
569 if (bp->rx_desc_ring[i] == NULL)
570 goto alloc_mem_err;
571
572 }
Michael Chanb6016b72005-05-26 13:03:09 -0700573
Michael Chan47bf4242007-12-12 11:19:12 -0800574 if (bp->rx_pg_ring_size) {
575 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
576 bp->rx_max_pg_ring);
577 if (bp->rx_pg_ring == NULL)
578 goto alloc_mem_err;
579
580 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
581 bp->rx_max_pg_ring);
582 }
583
584 for (i = 0; i < bp->rx_max_pg_ring; i++) {
585 bp->rx_pg_desc_ring[i] =
586 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
587 &bp->rx_pg_desc_mapping[i]);
588 if (bp->rx_pg_desc_ring[i] == NULL)
589 goto alloc_mem_err;
590
591 }
592
Michael Chan0f31f992006-03-23 01:12:38 -0800593 /* Combine status and statistics blocks into one allocation. */
594 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800595 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800596 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
597 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800598 bp->status_stats_size = status_blk_size +
599 sizeof(struct statistics_block);
600
601 bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700602 &bp->status_blk_mapping);
603 if (bp->status_blk == NULL)
604 goto alloc_mem_err;
605
Michael Chan0f31f992006-03-23 01:12:38 -0800606 memset(bp->status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700607
Michael Chanb4b36042007-12-20 19:59:30 -0800608 bp->bnx2_napi[0].status_blk = bp->status_blk;
David S. Millerf86e82f2008-01-21 17:15:40 -0800609 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800610 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
611 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
612
Michael Chan57851d82007-12-20 20:01:44 -0800613 bnapi->status_blk_msix = (void *)
Michael Chanb4b36042007-12-20 19:59:30 -0800614 ((unsigned long) bp->status_blk +
615 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
616 bnapi->int_num = i << 24;
617 }
618 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800619
Michael Chan0f31f992006-03-23 01:12:38 -0800620 bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
621 status_blk_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700622
Michael Chan0f31f992006-03-23 01:12:38 -0800623 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700624
Michael Chan59b47d82006-11-19 14:10:45 -0800625 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
626 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
627 if (bp->ctx_pages == 0)
628 bp->ctx_pages = 1;
629 for (i = 0; i < bp->ctx_pages; i++) {
630 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
631 BCM_PAGE_SIZE,
632 &bp->ctx_blk_mapping[i]);
633 if (bp->ctx_blk[i] == NULL)
634 goto alloc_mem_err;
635 }
636 }
Michael Chanb6016b72005-05-26 13:03:09 -0700637 return 0;
638
639alloc_mem_err:
640 bnx2_free_mem(bp);
641 return -ENOMEM;
642}
643
644static void
Michael Chane3648b32005-11-04 08:51:21 -0800645bnx2_report_fw_link(struct bnx2 *bp)
646{
647 u32 fw_link_status = 0;
648
Michael Chan583c28e2008-01-21 19:51:35 -0800649 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700650 return;
651
Michael Chane3648b32005-11-04 08:51:21 -0800652 if (bp->link_up) {
653 u32 bmsr;
654
655 switch (bp->line_speed) {
656 case SPEED_10:
657 if (bp->duplex == DUPLEX_HALF)
658 fw_link_status = BNX2_LINK_STATUS_10HALF;
659 else
660 fw_link_status = BNX2_LINK_STATUS_10FULL;
661 break;
662 case SPEED_100:
663 if (bp->duplex == DUPLEX_HALF)
664 fw_link_status = BNX2_LINK_STATUS_100HALF;
665 else
666 fw_link_status = BNX2_LINK_STATUS_100FULL;
667 break;
668 case SPEED_1000:
669 if (bp->duplex == DUPLEX_HALF)
670 fw_link_status = BNX2_LINK_STATUS_1000HALF;
671 else
672 fw_link_status = BNX2_LINK_STATUS_1000FULL;
673 break;
674 case SPEED_2500:
675 if (bp->duplex == DUPLEX_HALF)
676 fw_link_status = BNX2_LINK_STATUS_2500HALF;
677 else
678 fw_link_status = BNX2_LINK_STATUS_2500FULL;
679 break;
680 }
681
682 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
683
684 if (bp->autoneg) {
685 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
686
Michael Chanca58c3a2007-05-03 13:22:52 -0700687 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
688 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800689
690 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800691 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800692 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
693 else
694 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
695 }
696 }
697 else
698 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
699
Michael Chan2726d6e2008-01-29 21:35:05 -0800700 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800701}
702
Michael Chan9b1084b2007-07-07 22:50:37 -0700703static char *
704bnx2_xceiver_str(struct bnx2 *bp)
705{
706 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800707 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700708 "Copper"));
709}
710
Michael Chane3648b32005-11-04 08:51:21 -0800711static void
Michael Chanb6016b72005-05-26 13:03:09 -0700712bnx2_report_link(struct bnx2 *bp)
713{
714 if (bp->link_up) {
715 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700716 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
717 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700718
719 printk("%d Mbps ", bp->line_speed);
720
721 if (bp->duplex == DUPLEX_FULL)
722 printk("full duplex");
723 else
724 printk("half duplex");
725
726 if (bp->flow_ctrl) {
727 if (bp->flow_ctrl & FLOW_CTRL_RX) {
728 printk(", receive ");
729 if (bp->flow_ctrl & FLOW_CTRL_TX)
730 printk("& transmit ");
731 }
732 else {
733 printk(", transmit ");
734 }
735 printk("flow control ON");
736 }
737 printk("\n");
738 }
739 else {
740 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700741 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
742 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700743 }
Michael Chane3648b32005-11-04 08:51:21 -0800744
745 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700746}
747
748static void
749bnx2_resolve_flow_ctrl(struct bnx2 *bp)
750{
751 u32 local_adv, remote_adv;
752
753 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400754 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -0700755 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
756
757 if (bp->duplex == DUPLEX_FULL) {
758 bp->flow_ctrl = bp->req_flow_ctrl;
759 }
760 return;
761 }
762
763 if (bp->duplex != DUPLEX_FULL) {
764 return;
765 }
766
Michael Chan583c28e2008-01-21 19:51:35 -0800767 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -0800768 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
769 u32 val;
770
771 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
772 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
773 bp->flow_ctrl |= FLOW_CTRL_TX;
774 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
775 bp->flow_ctrl |= FLOW_CTRL_RX;
776 return;
777 }
778
Michael Chanca58c3a2007-05-03 13:22:52 -0700779 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
780 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700781
Michael Chan583c28e2008-01-21 19:51:35 -0800782 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -0700783 u32 new_local_adv = 0;
784 u32 new_remote_adv = 0;
785
786 if (local_adv & ADVERTISE_1000XPAUSE)
787 new_local_adv |= ADVERTISE_PAUSE_CAP;
788 if (local_adv & ADVERTISE_1000XPSE_ASYM)
789 new_local_adv |= ADVERTISE_PAUSE_ASYM;
790 if (remote_adv & ADVERTISE_1000XPAUSE)
791 new_remote_adv |= ADVERTISE_PAUSE_CAP;
792 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
793 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
794
795 local_adv = new_local_adv;
796 remote_adv = new_remote_adv;
797 }
798
799 /* See Table 28B-3 of 802.3ab-1999 spec. */
800 if (local_adv & ADVERTISE_PAUSE_CAP) {
801 if(local_adv & ADVERTISE_PAUSE_ASYM) {
802 if (remote_adv & ADVERTISE_PAUSE_CAP) {
803 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
804 }
805 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
806 bp->flow_ctrl = FLOW_CTRL_RX;
807 }
808 }
809 else {
810 if (remote_adv & ADVERTISE_PAUSE_CAP) {
811 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
812 }
813 }
814 }
815 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
816 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
817 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
818
819 bp->flow_ctrl = FLOW_CTRL_TX;
820 }
821 }
822}
823
824static int
Michael Chan27a005b2007-05-03 13:23:41 -0700825bnx2_5709s_linkup(struct bnx2 *bp)
826{
827 u32 val, speed;
828
829 bp->link_up = 1;
830
831 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
832 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
833 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
834
835 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
836 bp->line_speed = bp->req_line_speed;
837 bp->duplex = bp->req_duplex;
838 return 0;
839 }
840 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
841 switch (speed) {
842 case MII_BNX2_GP_TOP_AN_SPEED_10:
843 bp->line_speed = SPEED_10;
844 break;
845 case MII_BNX2_GP_TOP_AN_SPEED_100:
846 bp->line_speed = SPEED_100;
847 break;
848 case MII_BNX2_GP_TOP_AN_SPEED_1G:
849 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
850 bp->line_speed = SPEED_1000;
851 break;
852 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
853 bp->line_speed = SPEED_2500;
854 break;
855 }
856 if (val & MII_BNX2_GP_TOP_AN_FD)
857 bp->duplex = DUPLEX_FULL;
858 else
859 bp->duplex = DUPLEX_HALF;
860 return 0;
861}
862
863static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800864bnx2_5708s_linkup(struct bnx2 *bp)
865{
866 u32 val;
867
868 bp->link_up = 1;
869 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
870 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
871 case BCM5708S_1000X_STAT1_SPEED_10:
872 bp->line_speed = SPEED_10;
873 break;
874 case BCM5708S_1000X_STAT1_SPEED_100:
875 bp->line_speed = SPEED_100;
876 break;
877 case BCM5708S_1000X_STAT1_SPEED_1G:
878 bp->line_speed = SPEED_1000;
879 break;
880 case BCM5708S_1000X_STAT1_SPEED_2G5:
881 bp->line_speed = SPEED_2500;
882 break;
883 }
884 if (val & BCM5708S_1000X_STAT1_FD)
885 bp->duplex = DUPLEX_FULL;
886 else
887 bp->duplex = DUPLEX_HALF;
888
889 return 0;
890}
891
892static int
893bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700894{
895 u32 bmcr, local_adv, remote_adv, common;
896
897 bp->link_up = 1;
898 bp->line_speed = SPEED_1000;
899
Michael Chanca58c3a2007-05-03 13:22:52 -0700900 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700901 if (bmcr & BMCR_FULLDPLX) {
902 bp->duplex = DUPLEX_FULL;
903 }
904 else {
905 bp->duplex = DUPLEX_HALF;
906 }
907
908 if (!(bmcr & BMCR_ANENABLE)) {
909 return 0;
910 }
911
Michael Chanca58c3a2007-05-03 13:22:52 -0700912 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
913 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700914
915 common = local_adv & remote_adv;
916 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
917
918 if (common & ADVERTISE_1000XFULL) {
919 bp->duplex = DUPLEX_FULL;
920 }
921 else {
922 bp->duplex = DUPLEX_HALF;
923 }
924 }
925
926 return 0;
927}
928
929static int
930bnx2_copper_linkup(struct bnx2 *bp)
931{
932 u32 bmcr;
933
Michael Chanca58c3a2007-05-03 13:22:52 -0700934 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700935 if (bmcr & BMCR_ANENABLE) {
936 u32 local_adv, remote_adv, common;
937
938 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
939 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
940
941 common = local_adv & (remote_adv >> 2);
942 if (common & ADVERTISE_1000FULL) {
943 bp->line_speed = SPEED_1000;
944 bp->duplex = DUPLEX_FULL;
945 }
946 else if (common & ADVERTISE_1000HALF) {
947 bp->line_speed = SPEED_1000;
948 bp->duplex = DUPLEX_HALF;
949 }
950 else {
Michael Chanca58c3a2007-05-03 13:22:52 -0700951 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
952 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700953
954 common = local_adv & remote_adv;
955 if (common & ADVERTISE_100FULL) {
956 bp->line_speed = SPEED_100;
957 bp->duplex = DUPLEX_FULL;
958 }
959 else if (common & ADVERTISE_100HALF) {
960 bp->line_speed = SPEED_100;
961 bp->duplex = DUPLEX_HALF;
962 }
963 else if (common & ADVERTISE_10FULL) {
964 bp->line_speed = SPEED_10;
965 bp->duplex = DUPLEX_FULL;
966 }
967 else if (common & ADVERTISE_10HALF) {
968 bp->line_speed = SPEED_10;
969 bp->duplex = DUPLEX_HALF;
970 }
971 else {
972 bp->line_speed = 0;
973 bp->link_up = 0;
974 }
975 }
976 }
977 else {
978 if (bmcr & BMCR_SPEED100) {
979 bp->line_speed = SPEED_100;
980 }
981 else {
982 bp->line_speed = SPEED_10;
983 }
984 if (bmcr & BMCR_FULLDPLX) {
985 bp->duplex = DUPLEX_FULL;
986 }
987 else {
988 bp->duplex = DUPLEX_HALF;
989 }
990 }
991
992 return 0;
993}
994
Michael Chan83e3fc82008-01-29 21:37:17 -0800995static void
996bnx2_init_rx_context0(struct bnx2 *bp)
997{
998 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
999
1000 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002 val |= 0x02 << 8;
1003
1004 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005 u32 lo_water, hi_water;
1006
1007 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009 else
1010 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011 if (lo_water >= bp->rx_ring_size)
1012 lo_water = 0;
1013
1014 hi_water = bp->rx_ring_size / 4;
1015
1016 if (hi_water <= lo_water)
1017 lo_water = 0;
1018
1019 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022 if (hi_water > 0xf)
1023 hi_water = 0xf;
1024 else if (hi_water == 0)
1025 lo_water = 0;
1026 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027 }
1028 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029}
1030
Michael Chanb6016b72005-05-26 13:03:09 -07001031static int
1032bnx2_set_mac_link(struct bnx2 *bp)
1033{
1034 u32 val;
1035
1036 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038 (bp->duplex == DUPLEX_HALF)) {
1039 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040 }
1041
1042 /* Configure the EMAC mode register. */
1043 val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001046 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001047 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001048
1049 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001050 switch (bp->line_speed) {
1051 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001052 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001054 break;
1055 }
1056 /* fall through */
1057 case SPEED_100:
1058 val |= BNX2_EMAC_MODE_PORT_MII;
1059 break;
1060 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001061 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001062 /* fall through */
1063 case SPEED_1000:
1064 val |= BNX2_EMAC_MODE_PORT_GMII;
1065 break;
1066 }
Michael Chanb6016b72005-05-26 13:03:09 -07001067 }
1068 else {
1069 val |= BNX2_EMAC_MODE_PORT_GMII;
1070 }
1071
1072 /* Set the MAC to operate in the appropriate duplex mode. */
1073 if (bp->duplex == DUPLEX_HALF)
1074 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075 REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077 /* Enable/disable rx PAUSE. */
1078 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080 if (bp->flow_ctrl & FLOW_CTRL_RX)
1081 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084 /* Enable/disable tx PAUSE. */
1085 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088 if (bp->flow_ctrl & FLOW_CTRL_TX)
1089 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092 /* Acknowledge the interrupt. */
1093 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
Michael Chan83e3fc82008-01-29 21:37:17 -08001095 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096 bnx2_init_rx_context0(bp);
1097
Michael Chanb6016b72005-05-26 13:03:09 -07001098 return 0;
1099}
1100
Michael Chan27a005b2007-05-03 13:23:41 -07001101static void
1102bnx2_enable_bmsr1(struct bnx2 *bp)
1103{
Michael Chan583c28e2008-01-21 19:51:35 -08001104 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001105 (CHIP_NUM(bp) == CHIP_NUM_5709))
1106 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107 MII_BNX2_BLK_ADDR_GP_STATUS);
1108}
1109
1110static void
1111bnx2_disable_bmsr1(struct bnx2 *bp)
1112{
Michael Chan583c28e2008-01-21 19:51:35 -08001113 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001114 (CHIP_NUM(bp) == CHIP_NUM_5709))
1115 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117}
1118
Michael Chanb6016b72005-05-26 13:03:09 -07001119static int
Michael Chan605a9e22007-05-03 13:23:13 -07001120bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121{
1122 u32 up1;
1123 int ret = 1;
1124
Michael Chan583c28e2008-01-21 19:51:35 -08001125 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001126 return 0;
1127
1128 if (bp->autoneg & AUTONEG_SPEED)
1129 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
Michael Chan27a005b2007-05-03 13:23:41 -07001131 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
Michael Chan605a9e22007-05-03 13:23:13 -07001134 bnx2_read_phy(bp, bp->mii_up1, &up1);
1135 if (!(up1 & BCM5708S_UP1_2G5)) {
1136 up1 |= BCM5708S_UP1_2G5;
1137 bnx2_write_phy(bp, bp->mii_up1, up1);
1138 ret = 0;
1139 }
1140
Michael Chan27a005b2007-05-03 13:23:41 -07001141 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
Michael Chan605a9e22007-05-03 13:23:13 -07001145 return ret;
1146}
1147
1148static int
1149bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150{
1151 u32 up1;
1152 int ret = 0;
1153
Michael Chan583c28e2008-01-21 19:51:35 -08001154 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001155 return 0;
1156
Michael Chan27a005b2007-05-03 13:23:41 -07001157 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
Michael Chan605a9e22007-05-03 13:23:13 -07001160 bnx2_read_phy(bp, bp->mii_up1, &up1);
1161 if (up1 & BCM5708S_UP1_2G5) {
1162 up1 &= ~BCM5708S_UP1_2G5;
1163 bnx2_write_phy(bp, bp->mii_up1, up1);
1164 ret = 1;
1165 }
1166
Michael Chan27a005b2007-05-03 13:23:41 -07001167 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
Michael Chan605a9e22007-05-03 13:23:13 -07001171 return ret;
1172}
1173
1174static void
1175bnx2_enable_forced_2g5(struct bnx2 *bp)
1176{
1177 u32 bmcr;
1178
Michael Chan583c28e2008-01-21 19:51:35 -08001179 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001180 return;
1181
Michael Chan27a005b2007-05-03 13:23:41 -07001182 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183 u32 val;
1184
1185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186 MII_BNX2_BLK_ADDR_SERDES_DIG);
1187 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001197 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199 }
1200
1201 if (bp->autoneg & AUTONEG_SPEED) {
1202 bmcr &= ~BMCR_ANENABLE;
1203 if (bp->req_duplex == DUPLEX_FULL)
1204 bmcr |= BMCR_FULLDPLX;
1205 }
1206 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207}
1208
1209static void
1210bnx2_disable_forced_2g5(struct bnx2 *bp)
1211{
1212 u32 bmcr;
1213
Michael Chan583c28e2008-01-21 19:51:35 -08001214 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001215 return;
1216
Michael Chan27a005b2007-05-03 13:23:41 -07001217 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218 u32 val;
1219
1220 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221 MII_BNX2_BLK_ADDR_SERDES_DIG);
1222 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001231 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233 }
1234
1235 if (bp->autoneg & AUTONEG_SPEED)
1236 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238}
1239
Michael Chanb2fadea2008-01-21 17:07:06 -08001240static void
1241bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242{
1243 u32 val;
1244
1245 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247 if (start)
1248 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249 else
1250 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251}
1252
Michael Chan605a9e22007-05-03 13:23:13 -07001253static int
Michael Chanb6016b72005-05-26 13:03:09 -07001254bnx2_set_link(struct bnx2 *bp)
1255{
1256 u32 bmsr;
1257 u8 link_up;
1258
Michael Chan80be4432006-11-19 14:07:28 -08001259 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001260 bp->link_up = 1;
1261 return 0;
1262 }
1263
Michael Chan583c28e2008-01-21 19:51:35 -08001264 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001265 return 0;
1266
Michael Chanb6016b72005-05-26 13:03:09 -07001267 link_up = bp->link_up;
1268
Michael Chan27a005b2007-05-03 13:23:41 -07001269 bnx2_enable_bmsr1(bp);
1270 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001273
Michael Chan583c28e2008-01-21 19:51:35 -08001274 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001275 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001276 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001277
Michael Chan583c28e2008-01-21 19:51:35 -08001278 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001279 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001280 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001281 }
Michael Chanb6016b72005-05-26 13:03:09 -07001282 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001283
1284 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001290 bmsr |= BMSR_LSTATUS;
1291 else
1292 bmsr &= ~BMSR_LSTATUS;
1293 }
1294
1295 if (bmsr & BMSR_LSTATUS) {
1296 bp->link_up = 1;
1297
Michael Chan583c28e2008-01-21 19:51:35 -08001298 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001299 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300 bnx2_5706s_linkup(bp);
1301 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001303 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001305 }
1306 else {
1307 bnx2_copper_linkup(bp);
1308 }
1309 bnx2_resolve_flow_ctrl(bp);
1310 }
1311 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001312 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001313 (bp->autoneg & AUTONEG_SPEED))
1314 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001315
Michael Chan583c28e2008-01-21 19:51:35 -08001316 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001317 u32 bmcr;
1318
1319 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320 bmcr |= BMCR_ANENABLE;
1321 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
Michael Chan583c28e2008-01-21 19:51:35 -08001323 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001324 }
Michael Chanb6016b72005-05-26 13:03:09 -07001325 bp->link_up = 0;
1326 }
1327
1328 if (bp->link_up != link_up) {
1329 bnx2_report_link(bp);
1330 }
1331
1332 bnx2_set_mac_link(bp);
1333
1334 return 0;
1335}
1336
1337static int
1338bnx2_reset_phy(struct bnx2 *bp)
1339{
1340 int i;
1341 u32 reg;
1342
Michael Chanca58c3a2007-05-03 13:22:52 -07001343 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001344
1345#define PHY_RESET_MAX_WAIT 100
1346 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347 udelay(10);
1348
Michael Chanca58c3a2007-05-03 13:22:52 -07001349 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001350 if (!(reg & BMCR_RESET)) {
1351 udelay(20);
1352 break;
1353 }
1354 }
1355 if (i == PHY_RESET_MAX_WAIT) {
1356 return -EBUSY;
1357 }
1358 return 0;
1359}
1360
1361static u32
1362bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363{
1364 u32 adv = 0;
1365
1366 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
Michael Chan583c28e2008-01-21 19:51:35 -08001369 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001370 adv = ADVERTISE_1000XPAUSE;
1371 }
1372 else {
1373 adv = ADVERTISE_PAUSE_CAP;
1374 }
1375 }
1376 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001378 adv = ADVERTISE_1000XPSE_ASYM;
1379 }
1380 else {
1381 adv = ADVERTISE_PAUSE_ASYM;
1382 }
1383 }
1384 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001385 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001386 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387 }
1388 else {
1389 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390 }
1391 }
1392 return adv;
1393}
1394
Michael Chan0d8a6572007-07-07 22:49:43 -07001395static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
Michael Chanb6016b72005-05-26 13:03:09 -07001397static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001398bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399{
1400 u32 speed_arg = 0, pause_adv;
1401
1402 pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404 if (bp->autoneg & AUTONEG_SPEED) {
1405 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406 if (bp->advertising & ADVERTISED_10baseT_Half)
1407 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408 if (bp->advertising & ADVERTISED_10baseT_Full)
1409 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410 if (bp->advertising & ADVERTISED_100baseT_Half)
1411 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412 if (bp->advertising & ADVERTISED_100baseT_Full)
1413 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418 } else {
1419 if (bp->req_line_speed == SPEED_2500)
1420 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421 else if (bp->req_line_speed == SPEED_1000)
1422 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423 else if (bp->req_line_speed == SPEED_100) {
1424 if (bp->req_duplex == DUPLEX_FULL)
1425 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426 else
1427 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428 } else if (bp->req_line_speed == SPEED_10) {
1429 if (bp->req_duplex == DUPLEX_FULL)
1430 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431 else
1432 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433 }
1434 }
1435
1436 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001438 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001439 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441 if (port == PORT_TP)
1442 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
Michael Chan2726d6e2008-01-29 21:35:05 -08001445 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001446
1447 spin_unlock_bh(&bp->phy_lock);
1448 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449 spin_lock_bh(&bp->phy_lock);
1450
1451 return 0;
1452}
1453
1454static int
1455bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001456{
Michael Chan605a9e22007-05-03 13:23:13 -07001457 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001458 u32 new_adv = 0;
1459
Michael Chan583c28e2008-01-21 19:51:35 -08001460 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001461 return (bnx2_setup_remote_phy(bp, port));
1462
Michael Chanb6016b72005-05-26 13:03:09 -07001463 if (!(bp->autoneg & AUTONEG_SPEED)) {
1464 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001465 int force_link_down = 0;
1466
Michael Chan605a9e22007-05-03 13:23:13 -07001467 if (bp->req_line_speed == SPEED_2500) {
1468 if (!bnx2_test_and_enable_2g5(bp))
1469 force_link_down = 1;
1470 } else if (bp->req_line_speed == SPEED_1000) {
1471 if (bnx2_test_and_disable_2g5(bp))
1472 force_link_down = 1;
1473 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001474 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001475 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
Michael Chanca58c3a2007-05-03 13:22:52 -07001477 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001478 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001479 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001480
Michael Chan27a005b2007-05-03 13:23:41 -07001481 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482 if (bp->req_line_speed == SPEED_2500)
1483 bnx2_enable_forced_2g5(bp);
1484 else if (bp->req_line_speed == SPEED_1000) {
1485 bnx2_disable_forced_2g5(bp);
1486 new_bmcr &= ~0x2000;
1487 }
1488
1489 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001490 if (bp->req_line_speed == SPEED_2500)
1491 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492 else
1493 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001494 }
1495
Michael Chanb6016b72005-05-26 13:03:09 -07001496 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001497 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001498 new_bmcr |= BMCR_FULLDPLX;
1499 }
1500 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001501 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001502 new_bmcr &= ~BMCR_FULLDPLX;
1503 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001504 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001505 /* Force a link down visible on the other side */
1506 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001507 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001508 ~(ADVERTISE_1000XFULL |
1509 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001510 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001511 BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513 bp->link_up = 0;
1514 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001515 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001516 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001517 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001518 bnx2_write_phy(bp, bp->mii_adv, adv);
1519 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001520 } else {
1521 bnx2_resolve_flow_ctrl(bp);
1522 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001523 }
1524 return 0;
1525 }
1526
Michael Chan605a9e22007-05-03 13:23:13 -07001527 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001528
Michael Chanb6016b72005-05-26 13:03:09 -07001529 if (bp->advertising & ADVERTISED_1000baseT_Full)
1530 new_adv |= ADVERTISE_1000XFULL;
1531
1532 new_adv |= bnx2_phy_get_pause_adv(bp);
1533
Michael Chanca58c3a2007-05-03 13:22:52 -07001534 bnx2_read_phy(bp, bp->mii_adv, &adv);
1535 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001536
1537 bp->serdes_an_pending = 0;
1538 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539 /* Force a link down visible on the other side */
1540 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001541 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001542 spin_unlock_bh(&bp->phy_lock);
1543 msleep(20);
1544 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001545 }
1546
Michael Chanca58c3a2007-05-03 13:22:52 -07001547 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001549 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001550 /* Speed up link-up time when the link partner
1551 * does not autonegotiate which is very common
1552 * in blade servers. Some blade servers use
1553 * IPMI for kerboard input and it's important
1554 * to minimize link disruptions. Autoneg. involves
1555 * exchanging base pages plus 3 next pages and
1556 * normally completes in about 120 msec.
1557 */
1558 bp->current_interval = SERDES_AN_TIMEOUT;
1559 bp->serdes_an_pending = 1;
1560 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001561 } else {
1562 bnx2_resolve_flow_ctrl(bp);
1563 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001564 }
1565
1566 return 0;
1567}
1568
1569#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001570 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001571 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001573
1574#define ETHTOOL_ALL_COPPER_SPEED \
1575 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1576 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1577 ADVERTISED_1000baseT_Full)
1578
1579#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001581
Michael Chanb6016b72005-05-26 13:03:09 -07001582#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
Michael Chandeaf3912007-07-07 22:48:00 -07001584static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001585bnx2_set_default_remote_link(struct bnx2 *bp)
1586{
1587 u32 link;
1588
1589 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001590 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001591 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001592 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001593
1594 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595 bp->req_line_speed = 0;
1596 bp->autoneg |= AUTONEG_SPEED;
1597 bp->advertising = ADVERTISED_Autoneg;
1598 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599 bp->advertising |= ADVERTISED_10baseT_Half;
1600 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601 bp->advertising |= ADVERTISED_10baseT_Full;
1602 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603 bp->advertising |= ADVERTISED_100baseT_Half;
1604 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605 bp->advertising |= ADVERTISED_100baseT_Full;
1606 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607 bp->advertising |= ADVERTISED_1000baseT_Full;
1608 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609 bp->advertising |= ADVERTISED_2500baseX_Full;
1610 } else {
1611 bp->autoneg = 0;
1612 bp->advertising = 0;
1613 bp->req_duplex = DUPLEX_FULL;
1614 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615 bp->req_line_speed = SPEED_10;
1616 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617 bp->req_duplex = DUPLEX_HALF;
1618 }
1619 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620 bp->req_line_speed = SPEED_100;
1621 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622 bp->req_duplex = DUPLEX_HALF;
1623 }
1624 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625 bp->req_line_speed = SPEED_1000;
1626 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627 bp->req_line_speed = SPEED_2500;
1628 }
1629}
1630
1631static void
Michael Chandeaf3912007-07-07 22:48:00 -07001632bnx2_set_default_link(struct bnx2 *bp)
1633{
Harvey Harrisonab598592008-05-01 02:47:38 -07001634 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635 bnx2_set_default_remote_link(bp);
1636 return;
1637 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001638
Michael Chandeaf3912007-07-07 22:48:00 -07001639 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001641 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001642 u32 reg;
1643
1644 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
Michael Chan2726d6e2008-01-29 21:35:05 -08001646 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001647 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649 bp->autoneg = 0;
1650 bp->req_line_speed = bp->line_speed = SPEED_1000;
1651 bp->req_duplex = DUPLEX_FULL;
1652 }
1653 } else
1654 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655}
1656
Michael Chan0d8a6572007-07-07 22:49:43 -07001657static void
Michael Chandf149d72007-07-07 22:51:36 -07001658bnx2_send_heart_beat(struct bnx2 *bp)
1659{
1660 u32 msg;
1661 u32 addr;
1662
1663 spin_lock(&bp->indirect_lock);
1664 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668 spin_unlock(&bp->indirect_lock);
1669}
1670
1671static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001672bnx2_remote_phy_event(struct bnx2 *bp)
1673{
1674 u32 msg;
1675 u8 link_up = bp->link_up;
1676 u8 old_port;
1677
Michael Chan2726d6e2008-01-29 21:35:05 -08001678 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001679
Michael Chandf149d72007-07-07 22:51:36 -07001680 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681 bnx2_send_heart_beat(bp);
1682
1683 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
Michael Chan0d8a6572007-07-07 22:49:43 -07001685 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686 bp->link_up = 0;
1687 else {
1688 u32 speed;
1689
1690 bp->link_up = 1;
1691 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692 bp->duplex = DUPLEX_FULL;
1693 switch (speed) {
1694 case BNX2_LINK_STATUS_10HALF:
1695 bp->duplex = DUPLEX_HALF;
1696 case BNX2_LINK_STATUS_10FULL:
1697 bp->line_speed = SPEED_10;
1698 break;
1699 case BNX2_LINK_STATUS_100HALF:
1700 bp->duplex = DUPLEX_HALF;
1701 case BNX2_LINK_STATUS_100BASE_T4:
1702 case BNX2_LINK_STATUS_100FULL:
1703 bp->line_speed = SPEED_100;
1704 break;
1705 case BNX2_LINK_STATUS_1000HALF:
1706 bp->duplex = DUPLEX_HALF;
1707 case BNX2_LINK_STATUS_1000FULL:
1708 bp->line_speed = SPEED_1000;
1709 break;
1710 case BNX2_LINK_STATUS_2500HALF:
1711 bp->duplex = DUPLEX_HALF;
1712 case BNX2_LINK_STATUS_2500FULL:
1713 bp->line_speed = SPEED_2500;
1714 break;
1715 default:
1716 bp->line_speed = 0;
1717 break;
1718 }
1719
Michael Chan0d8a6572007-07-07 22:49:43 -07001720 bp->flow_ctrl = 0;
1721 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723 if (bp->duplex == DUPLEX_FULL)
1724 bp->flow_ctrl = bp->req_flow_ctrl;
1725 } else {
1726 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727 bp->flow_ctrl |= FLOW_CTRL_TX;
1728 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729 bp->flow_ctrl |= FLOW_CTRL_RX;
1730 }
1731
1732 old_port = bp->phy_port;
1733 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734 bp->phy_port = PORT_FIBRE;
1735 else
1736 bp->phy_port = PORT_TP;
1737
1738 if (old_port != bp->phy_port)
1739 bnx2_set_default_link(bp);
1740
Michael Chan0d8a6572007-07-07 22:49:43 -07001741 }
1742 if (bp->link_up != link_up)
1743 bnx2_report_link(bp);
1744
1745 bnx2_set_mac_link(bp);
1746}
1747
1748static int
1749bnx2_set_remote_link(struct bnx2 *bp)
1750{
1751 u32 evt_code;
1752
Michael Chan2726d6e2008-01-29 21:35:05 -08001753 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07001754 switch (evt_code) {
1755 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756 bnx2_remote_phy_event(bp);
1757 break;
1758 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759 default:
Michael Chandf149d72007-07-07 22:51:36 -07001760 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07001761 break;
1762 }
1763 return 0;
1764}
1765
Michael Chanb6016b72005-05-26 13:03:09 -07001766static int
1767bnx2_setup_copper_phy(struct bnx2 *bp)
1768{
1769 u32 bmcr;
1770 u32 new_bmcr;
1771
Michael Chanca58c3a2007-05-03 13:22:52 -07001772 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001773
1774 if (bp->autoneg & AUTONEG_SPEED) {
1775 u32 adv_reg, adv1000_reg;
1776 u32 new_adv_reg = 0;
1777 u32 new_adv1000_reg = 0;
1778
Michael Chanca58c3a2007-05-03 13:22:52 -07001779 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001780 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781 ADVERTISE_PAUSE_ASYM);
1782
1783 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786 if (bp->advertising & ADVERTISED_10baseT_Half)
1787 new_adv_reg |= ADVERTISE_10HALF;
1788 if (bp->advertising & ADVERTISED_10baseT_Full)
1789 new_adv_reg |= ADVERTISE_10FULL;
1790 if (bp->advertising & ADVERTISED_100baseT_Half)
1791 new_adv_reg |= ADVERTISE_100HALF;
1792 if (bp->advertising & ADVERTISED_100baseT_Full)
1793 new_adv_reg |= ADVERTISE_100FULL;
1794 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001796
Michael Chanb6016b72005-05-26 13:03:09 -07001797 new_adv_reg |= ADVERTISE_CSMA;
1798
1799 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801 if ((adv1000_reg != new_adv1000_reg) ||
1802 (adv_reg != new_adv_reg) ||
1803 ((bmcr & BMCR_ANENABLE) == 0)) {
1804
Michael Chanca58c3a2007-05-03 13:22:52 -07001805 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001806 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07001807 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001808 BMCR_ANENABLE);
1809 }
1810 else if (bp->link_up) {
1811 /* Flow ctrl may have changed from auto to forced */
1812 /* or vice-versa. */
1813
1814 bnx2_resolve_flow_ctrl(bp);
1815 bnx2_set_mac_link(bp);
1816 }
1817 return 0;
1818 }
1819
1820 new_bmcr = 0;
1821 if (bp->req_line_speed == SPEED_100) {
1822 new_bmcr |= BMCR_SPEED100;
1823 }
1824 if (bp->req_duplex == DUPLEX_FULL) {
1825 new_bmcr |= BMCR_FULLDPLX;
1826 }
1827 if (new_bmcr != bmcr) {
1828 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07001829
Michael Chanca58c3a2007-05-03 13:22:52 -07001830 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001832
Michael Chanb6016b72005-05-26 13:03:09 -07001833 if (bmsr & BMSR_LSTATUS) {
1834 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07001835 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08001836 spin_unlock_bh(&bp->phy_lock);
1837 msleep(50);
1838 spin_lock_bh(&bp->phy_lock);
1839
Michael Chanca58c3a2007-05-03 13:22:52 -07001840 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07001842 }
1843
Michael Chanca58c3a2007-05-03 13:22:52 -07001844 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001845
1846 /* Normally, the new speed is setup after the link has
1847 * gone down and up again. In some cases, link will not go
1848 * down so we need to set up the new speed here.
1849 */
1850 if (bmsr & BMSR_LSTATUS) {
1851 bp->line_speed = bp->req_line_speed;
1852 bp->duplex = bp->req_duplex;
1853 bnx2_resolve_flow_ctrl(bp);
1854 bnx2_set_mac_link(bp);
1855 }
Michael Chan27a005b2007-05-03 13:23:41 -07001856 } else {
1857 bnx2_resolve_flow_ctrl(bp);
1858 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001859 }
1860 return 0;
1861}
1862
1863static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001864bnx2_setup_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001865{
1866 if (bp->loopback == MAC_LOOPBACK)
1867 return 0;
1868
Michael Chan583c28e2008-01-21 19:51:35 -08001869 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07001870 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07001871 }
1872 else {
1873 return (bnx2_setup_copper_phy(bp));
1874 }
1875}
1876
1877static int
Michael Chan27a005b2007-05-03 13:23:41 -07001878bnx2_init_5709s_phy(struct bnx2 *bp)
1879{
1880 u32 val;
1881
1882 bp->mii_bmcr = MII_BMCR + 0x10;
1883 bp->mii_bmsr = MII_BMSR + 0x10;
1884 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885 bp->mii_adv = MII_ADVERTISE + 0x10;
1886 bp->mii_lpa = MII_LPA + 0x10;
1887 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893 bnx2_reset_phy(bp);
1894
1895 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1896
1897 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1898 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1899 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1900 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1901
1902 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1903 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08001904 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07001905 val |= BCM5708S_UP1_2G5;
1906 else
1907 val &= ~BCM5708S_UP1_2G5;
1908 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1909
1910 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1911 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1912 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1913 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1914
1915 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1916
1917 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1918 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1919 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1920
1921 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1922
1923 return 0;
1924}
1925
1926static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001927bnx2_init_5708s_phy(struct bnx2 *bp)
1928{
1929 u32 val;
1930
Michael Chan27a005b2007-05-03 13:23:41 -07001931 bnx2_reset_phy(bp);
1932
1933 bp->mii_up1 = BCM5708S_UP1;
1934
Michael Chan5b0c76a2005-11-04 08:45:49 -08001935 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1936 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1937 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1938
1939 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1940 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1941 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1942
1943 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1944 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1945 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1946
Michael Chan583c28e2008-01-21 19:51:35 -08001947 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001948 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1949 val |= BCM5708S_UP1_2G5;
1950 bnx2_write_phy(bp, BCM5708S_UP1, val);
1951 }
1952
1953 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08001954 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1955 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001956 /* increase tx signal amplitude */
1957 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1958 BCM5708S_BLK_ADDR_TX_MISC);
1959 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1960 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1961 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1962 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1963 }
1964
Michael Chan2726d6e2008-01-29 21:35:05 -08001965 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001966 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1967
1968 if (val) {
1969 u32 is_backplane;
1970
Michael Chan2726d6e2008-01-29 21:35:05 -08001971 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001972 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1973 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1974 BCM5708S_BLK_ADDR_TX_MISC);
1975 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1976 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1977 BCM5708S_BLK_ADDR_DIG);
1978 }
1979 }
1980 return 0;
1981}
1982
1983static int
1984bnx2_init_5706s_phy(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001985{
Michael Chan27a005b2007-05-03 13:23:41 -07001986 bnx2_reset_phy(bp);
1987
Michael Chan583c28e2008-01-21 19:51:35 -08001988 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07001989
Michael Chan59b47d82006-11-19 14:10:45 -08001990 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1991 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07001992
1993 if (bp->dev->mtu > 1500) {
1994 u32 val;
1995
1996 /* Set extended packet length bit */
1997 bnx2_write_phy(bp, 0x18, 0x7);
1998 bnx2_read_phy(bp, 0x18, &val);
1999 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2000
2001 bnx2_write_phy(bp, 0x1c, 0x6c00);
2002 bnx2_read_phy(bp, 0x1c, &val);
2003 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2004 }
2005 else {
2006 u32 val;
2007
2008 bnx2_write_phy(bp, 0x18, 0x7);
2009 bnx2_read_phy(bp, 0x18, &val);
2010 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2011
2012 bnx2_write_phy(bp, 0x1c, 0x6c00);
2013 bnx2_read_phy(bp, 0x1c, &val);
2014 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2015 }
2016
2017 return 0;
2018}
2019
2020static int
2021bnx2_init_copper_phy(struct bnx2 *bp)
2022{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002023 u32 val;
2024
Michael Chan27a005b2007-05-03 13:23:41 -07002025 bnx2_reset_phy(bp);
2026
Michael Chan583c28e2008-01-21 19:51:35 -08002027 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002028 bnx2_write_phy(bp, 0x18, 0x0c00);
2029 bnx2_write_phy(bp, 0x17, 0x000a);
2030 bnx2_write_phy(bp, 0x15, 0x310b);
2031 bnx2_write_phy(bp, 0x17, 0x201f);
2032 bnx2_write_phy(bp, 0x15, 0x9506);
2033 bnx2_write_phy(bp, 0x17, 0x401f);
2034 bnx2_write_phy(bp, 0x15, 0x14e2);
2035 bnx2_write_phy(bp, 0x18, 0x0400);
2036 }
2037
Michael Chan583c28e2008-01-21 19:51:35 -08002038 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002039 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2040 MII_BNX2_DSP_EXPAND_REG | 0x8);
2041 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2042 val &= ~(1 << 8);
2043 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2044 }
2045
Michael Chanb6016b72005-05-26 13:03:09 -07002046 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002047 /* Set extended packet length bit */
2048 bnx2_write_phy(bp, 0x18, 0x7);
2049 bnx2_read_phy(bp, 0x18, &val);
2050 bnx2_write_phy(bp, 0x18, val | 0x4000);
2051
2052 bnx2_read_phy(bp, 0x10, &val);
2053 bnx2_write_phy(bp, 0x10, val | 0x1);
2054 }
2055 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002056 bnx2_write_phy(bp, 0x18, 0x7);
2057 bnx2_read_phy(bp, 0x18, &val);
2058 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2059
2060 bnx2_read_phy(bp, 0x10, &val);
2061 bnx2_write_phy(bp, 0x10, val & ~0x1);
2062 }
2063
Michael Chan5b0c76a2005-11-04 08:45:49 -08002064 /* ethernet@wirespeed */
2065 bnx2_write_phy(bp, 0x18, 0x7007);
2066 bnx2_read_phy(bp, 0x18, &val);
2067 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002068 return 0;
2069}
2070
2071
2072static int
2073bnx2_init_phy(struct bnx2 *bp)
2074{
2075 u32 val;
2076 int rc = 0;
2077
Michael Chan583c28e2008-01-21 19:51:35 -08002078 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2079 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002080
Michael Chanca58c3a2007-05-03 13:22:52 -07002081 bp->mii_bmcr = MII_BMCR;
2082 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002083 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002084 bp->mii_adv = MII_ADVERTISE;
2085 bp->mii_lpa = MII_LPA;
2086
Michael Chanb6016b72005-05-26 13:03:09 -07002087 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2088
Michael Chan583c28e2008-01-21 19:51:35 -08002089 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002090 goto setup_phy;
2091
Michael Chanb6016b72005-05-26 13:03:09 -07002092 bnx2_read_phy(bp, MII_PHYSID1, &val);
2093 bp->phy_id = val << 16;
2094 bnx2_read_phy(bp, MII_PHYSID2, &val);
2095 bp->phy_id |= val & 0xffff;
2096
Michael Chan583c28e2008-01-21 19:51:35 -08002097 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002098 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2099 rc = bnx2_init_5706s_phy(bp);
2100 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2101 rc = bnx2_init_5708s_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002102 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2103 rc = bnx2_init_5709s_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002104 }
2105 else {
2106 rc = bnx2_init_copper_phy(bp);
2107 }
2108
Michael Chan0d8a6572007-07-07 22:49:43 -07002109setup_phy:
2110 if (!rc)
2111 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002112
2113 return rc;
2114}
2115
2116static int
2117bnx2_set_mac_loopback(struct bnx2 *bp)
2118{
2119 u32 mac_mode;
2120
2121 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2122 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2123 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2124 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2125 bp->link_up = 1;
2126 return 0;
2127}
2128
Michael Chanbc5a0692006-01-23 16:13:22 -08002129static int bnx2_test_link(struct bnx2 *);
2130
2131static int
2132bnx2_set_phy_loopback(struct bnx2 *bp)
2133{
2134 u32 mac_mode;
2135 int rc, i;
2136
2137 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002138 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002139 BMCR_SPEED1000);
2140 spin_unlock_bh(&bp->phy_lock);
2141 if (rc)
2142 return rc;
2143
2144 for (i = 0; i < 10; i++) {
2145 if (bnx2_test_link(bp) == 0)
2146 break;
Michael Chan80be4432006-11-19 14:07:28 -08002147 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002148 }
2149
2150 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2151 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2152 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002153 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002154
2155 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2156 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2157 bp->link_up = 1;
2158 return 0;
2159}
2160
Michael Chanb6016b72005-05-26 13:03:09 -07002161static int
Michael Chanb090ae22006-01-23 16:07:10 -08002162bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002163{
2164 int i;
2165 u32 val;
2166
Michael Chanb6016b72005-05-26 13:03:09 -07002167 bp->fw_wr_seq++;
2168 msg_data |= bp->fw_wr_seq;
2169
Michael Chan2726d6e2008-01-29 21:35:05 -08002170 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002171
2172 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002173 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2174 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002175
Michael Chan2726d6e2008-01-29 21:35:05 -08002176 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002177
2178 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2179 break;
2180 }
Michael Chanb090ae22006-01-23 16:07:10 -08002181 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2182 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002183
2184 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002185 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2186 if (!silent)
2187 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2188 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002189
2190 msg_data &= ~BNX2_DRV_MSG_CODE;
2191 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2192
Michael Chan2726d6e2008-01-29 21:35:05 -08002193 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002194
Michael Chanb6016b72005-05-26 13:03:09 -07002195 return -EBUSY;
2196 }
2197
Michael Chanb090ae22006-01-23 16:07:10 -08002198 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2199 return -EIO;
2200
Michael Chanb6016b72005-05-26 13:03:09 -07002201 return 0;
2202}
2203
Michael Chan59b47d82006-11-19 14:10:45 -08002204static int
2205bnx2_init_5709_context(struct bnx2 *bp)
2206{
2207 int i, ret = 0;
2208 u32 val;
2209
2210 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2211 val |= (BCM_PAGE_BITS - 8) << 16;
2212 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002213 for (i = 0; i < 10; i++) {
2214 val = REG_RD(bp, BNX2_CTX_COMMAND);
2215 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2216 break;
2217 udelay(2);
2218 }
2219 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2220 return -EBUSY;
2221
Michael Chan59b47d82006-11-19 14:10:45 -08002222 for (i = 0; i < bp->ctx_pages; i++) {
2223 int j;
2224
Michael Chan352f7682008-05-02 16:57:26 -07002225 if (bp->ctx_blk[i])
2226 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2227 else
2228 return -ENOMEM;
2229
Michael Chan59b47d82006-11-19 14:10:45 -08002230 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2231 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2232 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2233 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2234 (u64) bp->ctx_blk_mapping[i] >> 32);
2235 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2236 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2237 for (j = 0; j < 10; j++) {
2238
2239 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2240 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2241 break;
2242 udelay(5);
2243 }
2244 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2245 ret = -EBUSY;
2246 break;
2247 }
2248 }
2249 return ret;
2250}
2251
Michael Chanb6016b72005-05-26 13:03:09 -07002252static void
2253bnx2_init_context(struct bnx2 *bp)
2254{
2255 u32 vcid;
2256
2257 vcid = 96;
2258 while (vcid) {
2259 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002260 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002261
2262 vcid--;
2263
2264 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2265 u32 new_vcid;
2266
2267 vcid_addr = GET_PCID_ADDR(vcid);
2268 if (vcid & 0x8) {
2269 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2270 }
2271 else {
2272 new_vcid = vcid;
2273 }
2274 pcid_addr = GET_PCID_ADDR(new_vcid);
2275 }
2276 else {
2277 vcid_addr = GET_CID_ADDR(vcid);
2278 pcid_addr = vcid_addr;
2279 }
2280
Michael Chan7947b202007-06-04 21:17:10 -07002281 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2282 vcid_addr += (i << PHY_CTX_SHIFT);
2283 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002284
Michael Chan5d5d0012007-12-12 11:17:43 -08002285 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002286 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2287
2288 /* Zero out the context. */
2289 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002290 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002291 }
Michael Chanb6016b72005-05-26 13:03:09 -07002292 }
2293}
2294
2295static int
2296bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2297{
2298 u16 *good_mbuf;
2299 u32 good_mbuf_cnt;
2300 u32 val;
2301
2302 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2303 if (good_mbuf == NULL) {
2304 printk(KERN_ERR PFX "Failed to allocate memory in "
2305 "bnx2_alloc_bad_rbuf\n");
2306 return -ENOMEM;
2307 }
2308
2309 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2310 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2311
2312 good_mbuf_cnt = 0;
2313
2314 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002315 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002316 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002317 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2318 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002319
Michael Chan2726d6e2008-01-29 21:35:05 -08002320 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002321
2322 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2323
2324 /* The addresses with Bit 9 set are bad memory blocks. */
2325 if (!(val & (1 << 9))) {
2326 good_mbuf[good_mbuf_cnt] = (u16) val;
2327 good_mbuf_cnt++;
2328 }
2329
Michael Chan2726d6e2008-01-29 21:35:05 -08002330 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002331 }
2332
2333 /* Free the good ones back to the mbuf pool thus discarding
2334 * all the bad ones. */
2335 while (good_mbuf_cnt) {
2336 good_mbuf_cnt--;
2337
2338 val = good_mbuf[good_mbuf_cnt];
2339 val = (val << 9) | val | 1;
2340
Michael Chan2726d6e2008-01-29 21:35:05 -08002341 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002342 }
2343 kfree(good_mbuf);
2344 return 0;
2345}
2346
2347static void
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002348bnx2_set_mac_addr(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07002349{
2350 u32 val;
2351 u8 *mac_addr = bp->dev->dev_addr;
2352
2353 val = (mac_addr[0] << 8) | mac_addr[1];
2354
2355 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2356
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002357 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002358 (mac_addr[4] << 8) | mac_addr[5];
2359
2360 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2361}
2362
2363static inline int
Michael Chan47bf4242007-12-12 11:19:12 -08002364bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2365{
2366 dma_addr_t mapping;
2367 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2368 struct rx_bd *rxbd =
2369 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2370 struct page *page = alloc_page(GFP_ATOMIC);
2371
2372 if (!page)
2373 return -ENOMEM;
2374 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2375 PCI_DMA_FROMDEVICE);
2376 rx_pg->page = page;
2377 pci_unmap_addr_set(rx_pg, mapping, mapping);
2378 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2379 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2380 return 0;
2381}
2382
2383static void
2384bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2385{
2386 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2387 struct page *page = rx_pg->page;
2388
2389 if (!page)
2390 return;
2391
2392 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2393 PCI_DMA_FROMDEVICE);
2394
2395 __free_page(page);
2396 rx_pg->page = NULL;
2397}
2398
2399static inline int
Michael Chana1f60192007-12-20 19:57:19 -08002400bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002401{
2402 struct sk_buff *skb;
2403 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2404 dma_addr_t mapping;
Michael Chan13daffa2006-03-20 17:49:20 -08002405 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002406 unsigned long align;
2407
Michael Chan932f3772006-08-15 01:39:36 -07002408 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002409 if (skb == NULL) {
2410 return -ENOMEM;
2411 }
2412
Michael Chan59b47d82006-11-19 14:10:45 -08002413 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2414 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002415
Michael Chanb6016b72005-05-26 13:03:09 -07002416 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2417 PCI_DMA_FROMDEVICE);
2418
2419 rx_buf->skb = skb;
2420 pci_unmap_addr_set(rx_buf, mapping, mapping);
2421
2422 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2423 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2424
Michael Chana1f60192007-12-20 19:57:19 -08002425 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002426
2427 return 0;
2428}
2429
Michael Chanda3e4fb2007-05-03 13:24:23 -07002430static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002431bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002432{
Michael Chan35efa7c2007-12-20 19:56:37 -08002433 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002434 u32 new_link_state, old_link_state;
2435 int is_set = 1;
2436
2437 new_link_state = sblk->status_attn_bits & event;
2438 old_link_state = sblk->status_attn_bits_ack & event;
2439 if (new_link_state != old_link_state) {
2440 if (new_link_state)
2441 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2442 else
2443 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2444 } else
2445 is_set = 0;
2446
2447 return is_set;
2448}
2449
Michael Chanb6016b72005-05-26 13:03:09 -07002450static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002451bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002452{
Michael Chan74ecc622008-05-02 16:56:16 -07002453 spin_lock(&bp->phy_lock);
2454
2455 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002456 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002457 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002458 bnx2_set_remote_link(bp);
2459
Michael Chan74ecc622008-05-02 16:56:16 -07002460 spin_unlock(&bp->phy_lock);
2461
Michael Chanb6016b72005-05-26 13:03:09 -07002462}
2463
Michael Chanead72702007-12-20 19:55:39 -08002464static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002465bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002466{
2467 u16 cons;
2468
Michael Chanc76c0472007-12-20 20:01:19 -08002469 if (bnapi->int_num == 0)
2470 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2471 else
2472 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
Michael Chanead72702007-12-20 19:55:39 -08002473
2474 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2475 cons++;
2476 return cons;
2477}
2478
Michael Chan57851d82007-12-20 20:01:44 -08002479static int
2480bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002481{
2482 u16 hw_cons, sw_cons, sw_ring_cons;
Michael Chan57851d82007-12-20 20:01:44 -08002483 int tx_pkt = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002484
Michael Chan35efa7c2007-12-20 19:56:37 -08002485 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chana550c992007-12-20 19:56:59 -08002486 sw_cons = bnapi->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002487
2488 while (sw_cons != hw_cons) {
2489 struct sw_bd *tx_buf;
2490 struct sk_buff *skb;
2491 int i, last;
2492
2493 sw_ring_cons = TX_RING_IDX(sw_cons);
2494
2495 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2496 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002497
Michael Chanb6016b72005-05-26 13:03:09 -07002498 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002499 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002500 u16 last_idx, last_ring_idx;
2501
2502 last_idx = sw_cons +
2503 skb_shinfo(skb)->nr_frags + 1;
2504 last_ring_idx = sw_ring_cons +
2505 skb_shinfo(skb)->nr_frags + 1;
2506 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2507 last_idx++;
2508 }
2509 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2510 break;
2511 }
2512 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002513
Michael Chanb6016b72005-05-26 13:03:09 -07002514 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2515 skb_headlen(skb), PCI_DMA_TODEVICE);
2516
2517 tx_buf->skb = NULL;
2518 last = skb_shinfo(skb)->nr_frags;
2519
2520 for (i = 0; i < last; i++) {
2521 sw_cons = NEXT_TX_BD(sw_cons);
2522
2523 pci_unmap_page(bp->pdev,
2524 pci_unmap_addr(
2525 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2526 mapping),
2527 skb_shinfo(skb)->frags[i].size,
2528 PCI_DMA_TODEVICE);
2529 }
2530
2531 sw_cons = NEXT_TX_BD(sw_cons);
2532
Michael Chan745720e2006-06-29 12:37:41 -07002533 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002534 tx_pkt++;
2535 if (tx_pkt == budget)
2536 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002537
Michael Chan35efa7c2007-12-20 19:56:37 -08002538 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002539 }
2540
Michael Chana550c992007-12-20 19:56:59 -08002541 bnapi->hw_tx_cons = hw_cons;
2542 bnapi->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002543 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2544 * before checking for netif_queue_stopped(). Without the
2545 * memory barrier, there is a small possibility that bnx2_start_xmit()
2546 * will miss it and cause the queue to be stopped forever.
2547 */
2548 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002549
Michael Chan2f8af122006-08-15 01:39:10 -07002550 if (unlikely(netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002551 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
Michael Chan2f8af122006-08-15 01:39:10 -07002552 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002553 if ((netif_queue_stopped(bp->dev)) &&
Michael Chana550c992007-12-20 19:56:59 -08002554 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002555 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002556 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002557 }
Michael Chan57851d82007-12-20 20:01:44 -08002558 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002559}
2560
Michael Chan1db82f22007-12-12 11:19:35 -08002561static void
Michael Chana1f60192007-12-20 19:57:19 -08002562bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2563 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002564{
2565 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2566 struct rx_bd *cons_bd, *prod_bd;
2567 dma_addr_t mapping;
2568 int i;
Michael Chana1f60192007-12-20 19:57:19 -08002569 u16 hw_prod = bnapi->rx_pg_prod, prod;
2570 u16 cons = bnapi->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002571
2572 for (i = 0; i < count; i++) {
2573 prod = RX_PG_RING_IDX(hw_prod);
2574
2575 prod_rx_pg = &bp->rx_pg_ring[prod];
2576 cons_rx_pg = &bp->rx_pg_ring[cons];
2577 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2578 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2579
2580 if (i == 0 && skb) {
2581 struct page *page;
2582 struct skb_shared_info *shinfo;
2583
2584 shinfo = skb_shinfo(skb);
2585 shinfo->nr_frags--;
2586 page = shinfo->frags[shinfo->nr_frags].page;
2587 shinfo->frags[shinfo->nr_frags].page = NULL;
2588 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2589 PCI_DMA_FROMDEVICE);
2590 cons_rx_pg->page = page;
2591 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2592 dev_kfree_skb(skb);
2593 }
2594 if (prod != cons) {
2595 prod_rx_pg->page = cons_rx_pg->page;
2596 cons_rx_pg->page = NULL;
2597 pci_unmap_addr_set(prod_rx_pg, mapping,
2598 pci_unmap_addr(cons_rx_pg, mapping));
2599
2600 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2601 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2602
2603 }
2604 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2605 hw_prod = NEXT_RX_BD(hw_prod);
2606 }
Michael Chana1f60192007-12-20 19:57:19 -08002607 bnapi->rx_pg_prod = hw_prod;
2608 bnapi->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002609}
2610
Michael Chanb6016b72005-05-26 13:03:09 -07002611static inline void
Michael Chana1f60192007-12-20 19:57:19 -08002612bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002613 u16 cons, u16 prod)
2614{
Michael Chan236b6392006-03-20 17:49:02 -08002615 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2616 struct rx_bd *cons_bd, *prod_bd;
2617
2618 cons_rx_buf = &bp->rx_buf_ring[cons];
2619 prod_rx_buf = &bp->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002620
2621 pci_dma_sync_single_for_device(bp->pdev,
2622 pci_unmap_addr(cons_rx_buf, mapping),
2623 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2624
Michael Chana1f60192007-12-20 19:57:19 -08002625 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002626
2627 prod_rx_buf->skb = skb;
2628
2629 if (cons == prod)
2630 return;
2631
Michael Chanb6016b72005-05-26 13:03:09 -07002632 pci_unmap_addr_set(prod_rx_buf, mapping,
2633 pci_unmap_addr(cons_rx_buf, mapping));
2634
Michael Chan3fdfcc22006-03-20 17:49:49 -08002635 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2636 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002637 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2638 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002639}
2640
Michael Chan85833c62007-12-12 11:17:01 -08002641static int
Michael Chana1f60192007-12-20 19:57:19 -08002642bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2643 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2644 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002645{
2646 int err;
2647 u16 prod = ring_idx & 0xffff;
2648
Michael Chana1f60192007-12-20 19:57:19 -08002649 err = bnx2_alloc_rx_skb(bp, bnapi, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002650 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002651 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002652 if (hdr_len) {
2653 unsigned int raw_len = len + 4;
2654 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2655
Michael Chana1f60192007-12-20 19:57:19 -08002656 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002657 }
Michael Chan85833c62007-12-12 11:17:01 -08002658 return err;
2659 }
2660
2661 skb_reserve(skb, bp->rx_offset);
2662 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2663 PCI_DMA_FROMDEVICE);
2664
Michael Chan1db82f22007-12-12 11:19:35 -08002665 if (hdr_len == 0) {
2666 skb_put(skb, len);
2667 return 0;
2668 } else {
2669 unsigned int i, frag_len, frag_size, pages;
2670 struct sw_pg *rx_pg;
Michael Chana1f60192007-12-20 19:57:19 -08002671 u16 pg_cons = bnapi->rx_pg_cons;
2672 u16 pg_prod = bnapi->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002673
2674 frag_size = len + 4 - hdr_len;
2675 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2676 skb_put(skb, hdr_len);
2677
2678 for (i = 0; i < pages; i++) {
2679 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2680 if (unlikely(frag_len <= 4)) {
2681 unsigned int tail = 4 - frag_len;
2682
Michael Chana1f60192007-12-20 19:57:19 -08002683 bnapi->rx_pg_cons = pg_cons;
2684 bnapi->rx_pg_prod = pg_prod;
2685 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2686 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002687 skb->len -= tail;
2688 if (i == 0) {
2689 skb->tail -= tail;
2690 } else {
2691 skb_frag_t *frag =
2692 &skb_shinfo(skb)->frags[i - 1];
2693 frag->size -= tail;
2694 skb->data_len -= tail;
2695 skb->truesize -= tail;
2696 }
2697 return 0;
2698 }
2699 rx_pg = &bp->rx_pg_ring[pg_cons];
2700
2701 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2702 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2703
2704 if (i == pages - 1)
2705 frag_len -= 4;
2706
2707 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2708 rx_pg->page = NULL;
2709
2710 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2711 if (unlikely(err)) {
Michael Chana1f60192007-12-20 19:57:19 -08002712 bnapi->rx_pg_cons = pg_cons;
2713 bnapi->rx_pg_prod = pg_prod;
2714 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2715 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002716 return err;
2717 }
2718
2719 frag_size -= frag_len;
2720 skb->data_len += frag_len;
2721 skb->truesize += frag_len;
2722 skb->len += frag_len;
2723
2724 pg_prod = NEXT_RX_BD(pg_prod);
2725 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2726 }
Michael Chana1f60192007-12-20 19:57:19 -08002727 bnapi->rx_pg_prod = pg_prod;
2728 bnapi->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002729 }
Michael Chan85833c62007-12-12 11:17:01 -08002730 return 0;
2731}
2732
Michael Chanc09c2622007-12-10 17:18:37 -08002733static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002734bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002735{
Michael Chan35efa7c2007-12-20 19:56:37 -08002736 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
Michael Chanc09c2622007-12-10 17:18:37 -08002737
2738 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2739 cons++;
2740 return cons;
2741}
2742
Michael Chanb6016b72005-05-26 13:03:09 -07002743static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002744bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002745{
2746 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2747 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002748 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002749
Michael Chan35efa7c2007-12-20 19:56:37 -08002750 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chana1f60192007-12-20 19:57:19 -08002751 sw_cons = bnapi->rx_cons;
2752 sw_prod = bnapi->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002753
2754 /* Memory barrier necessary as speculative reads of the rx
2755 * buffer can be ahead of the index in the status block
2756 */
2757 rmb();
2758 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002759 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002760 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002761 struct sw_bd *rx_buf;
2762 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002763 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002764
2765 sw_ring_cons = RX_RING_IDX(sw_cons);
2766 sw_ring_prod = RX_RING_IDX(sw_prod);
2767
2768 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2769 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002770
2771 rx_buf->skb = NULL;
2772
2773 dma_addr = pci_unmap_addr(rx_buf, mapping);
2774
2775 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Michael Chanb6016b72005-05-26 13:03:09 -07002776 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2777
2778 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002779 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002780
Michael Chanade2bfe2006-01-23 16:09:51 -08002781 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002782 (L2_FHDR_ERRORS_BAD_CRC |
2783 L2_FHDR_ERRORS_PHY_DECODE |
2784 L2_FHDR_ERRORS_ALIGNMENT |
2785 L2_FHDR_ERRORS_TOO_SHORT |
2786 L2_FHDR_ERRORS_GIANT_FRAME)) {
2787
Michael Chana1f60192007-12-20 19:57:19 -08002788 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2789 sw_ring_prod);
Michael Chan85833c62007-12-12 11:17:01 -08002790 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002791 }
Michael Chan1db82f22007-12-12 11:19:35 -08002792 hdr_len = 0;
2793 if (status & L2_FHDR_STATUS_SPLIT) {
2794 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2795 pg_ring_used = 1;
2796 } else if (len > bp->rx_jumbo_thresh) {
2797 hdr_len = bp->rx_jumbo_thresh;
2798 pg_ring_used = 1;
2799 }
2800
2801 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002802
Michael Chan5d5d0012007-12-12 11:17:43 -08002803 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002804 struct sk_buff *new_skb;
2805
Michael Chan932f3772006-08-15 01:39:36 -07002806 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002807 if (new_skb == NULL) {
Michael Chana1f60192007-12-20 19:57:19 -08002808 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08002809 sw_ring_prod);
2810 goto next_rx;
2811 }
Michael Chanb6016b72005-05-26 13:03:09 -07002812
2813 /* aligned copy */
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002814 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2815 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002816 skb_reserve(new_skb, 2);
2817 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002818
Michael Chana1f60192007-12-20 19:57:19 -08002819 bnx2_reuse_rx_skb(bp, bnapi, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07002820 sw_ring_cons, sw_ring_prod);
2821
2822 skb = new_skb;
Michael Chana1f60192007-12-20 19:57:19 -08002823 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2824 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002825 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002826
2827 skb->protocol = eth_type_trans(skb, bp->dev);
2828
2829 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002830 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002831
Michael Chan745720e2006-06-29 12:37:41 -07002832 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002833 goto next_rx;
2834
2835 }
2836
Michael Chanb6016b72005-05-26 13:03:09 -07002837 skb->ip_summed = CHECKSUM_NONE;
2838 if (bp->rx_csum &&
2839 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2840 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2841
Michael Chanade2bfe2006-01-23 16:09:51 -08002842 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2843 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002844 skb->ip_summed = CHECKSUM_UNNECESSARY;
2845 }
2846
2847#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08002848 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
Michael Chanb6016b72005-05-26 13:03:09 -07002849 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2850 rx_hdr->l2_fhdr_vlan_tag);
2851 }
2852 else
2853#endif
2854 netif_receive_skb(skb);
2855
2856 bp->dev->last_rx = jiffies;
2857 rx_pkt++;
2858
2859next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002860 sw_cons = NEXT_RX_BD(sw_cons);
2861 sw_prod = NEXT_RX_BD(sw_prod);
2862
2863 if ((rx_pkt == budget))
2864 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002865
2866 /* Refresh hw_cons to see if there is new work */
2867 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002868 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002869 rmb();
2870 }
Michael Chanb6016b72005-05-26 13:03:09 -07002871 }
Michael Chana1f60192007-12-20 19:57:19 -08002872 bnapi->rx_cons = sw_cons;
2873 bnapi->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07002874
Michael Chan1db82f22007-12-12 11:19:35 -08002875 if (pg_ring_used)
2876 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
Michael Chana1f60192007-12-20 19:57:19 -08002877 bnapi->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002878
Michael Chanb6016b72005-05-26 13:03:09 -07002879 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2880
Michael Chana1f60192007-12-20 19:57:19 -08002881 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07002882
2883 mmiowb();
2884
2885 return rx_pkt;
2886
2887}
2888
2889/* MSI ISR - The only difference between this and the INTx ISR
2890 * is that the MSI interrupt is always serviced.
2891 */
2892static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002893bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002894{
2895 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002896 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002897 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chanb6016b72005-05-26 13:03:09 -07002898
Michael Chan35efa7c2007-12-20 19:56:37 -08002899 prefetch(bnapi->status_blk);
Michael Chanb6016b72005-05-26 13:03:09 -07002900 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2901 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2902 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2903
2904 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002905 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2906 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002907
Michael Chan35efa7c2007-12-20 19:56:37 -08002908 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07002909
Michael Chan73eef4c2005-08-25 15:39:15 -07002910 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002911}
2912
2913static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07002914bnx2_msi_1shot(int irq, void *dev_instance)
2915{
2916 struct net_device *dev = dev_instance;
2917 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002918 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan8e6a72c2007-05-03 13:24:48 -07002919
Michael Chan35efa7c2007-12-20 19:56:37 -08002920 prefetch(bnapi->status_blk);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002921
2922 /* Return here if interrupt is disabled. */
2923 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2924 return IRQ_HANDLED;
2925
Michael Chan35efa7c2007-12-20 19:56:37 -08002926 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002927
2928 return IRQ_HANDLED;
2929}
2930
2931static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002932bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002933{
2934 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002935 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb4b36042007-12-20 19:59:30 -08002936 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan35efa7c2007-12-20 19:56:37 -08002937 struct status_block *sblk = bnapi->status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -07002938
2939 /* When using INTx, it is possible for the interrupt to arrive
2940 * at the CPU before the status block posted prior to the
2941 * interrupt. Reading a register will flush the status block.
2942 * When using MSI, the MSI message will always complete after
2943 * the status block write.
2944 */
Michael Chan35efa7c2007-12-20 19:56:37 -08002945 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07002946 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2947 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07002948 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07002949
2950 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2951 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2952 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2953
Michael Chanb8a7ce72007-07-07 22:51:03 -07002954 /* Read back to deassert IRQ immediately to avoid too many
2955 * spurious interrupts.
2956 */
2957 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2958
Michael Chanb6016b72005-05-26 13:03:09 -07002959 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002960 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2961 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002962
Michael Chan35efa7c2007-12-20 19:56:37 -08002963 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2964 bnapi->last_status_idx = sblk->status_idx;
2965 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07002966 }
Michael Chanb6016b72005-05-26 13:03:09 -07002967
Michael Chan73eef4c2005-08-25 15:39:15 -07002968 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002969}
2970
Michael Chan57851d82007-12-20 20:01:44 -08002971static irqreturn_t
2972bnx2_tx_msix(int irq, void *dev_instance)
2973{
2974 struct net_device *dev = dev_instance;
2975 struct bnx2 *bp = netdev_priv(dev);
2976 struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2977
2978 prefetch(bnapi->status_blk_msix);
2979
2980 /* Return here if interrupt is disabled. */
2981 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2982 return IRQ_HANDLED;
2983
2984 netif_rx_schedule(dev, &bnapi->napi);
2985 return IRQ_HANDLED;
2986}
2987
Michael Chan0d8a6572007-07-07 22:49:43 -07002988#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2989 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002990
Michael Chanf4e418f2005-11-04 08:53:48 -08002991static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08002992bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08002993{
Michael Chan1097f5e2008-01-21 17:06:41 -08002994 struct status_block *sblk = bnapi->status_blk;
Michael Chanf4e418f2005-11-04 08:53:48 -08002995
Michael Chana1f60192007-12-20 19:57:19 -08002996 if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
Michael Chana550c992007-12-20 19:56:59 -08002997 (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
Michael Chanf4e418f2005-11-04 08:53:48 -08002998 return 1;
2999
Michael Chanda3e4fb2007-05-03 13:24:23 -07003000 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3001 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003002 return 1;
3003
3004 return 0;
3005}
3006
Michael Chan57851d82007-12-20 20:01:44 -08003007static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3008{
3009 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3010 struct bnx2 *bp = bnapi->bp;
3011 int work_done = 0;
3012 struct status_block_msix *sblk = bnapi->status_blk_msix;
3013
3014 do {
3015 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3016 if (unlikely(work_done >= budget))
3017 return work_done;
3018
3019 bnapi->last_status_idx = sblk->status_idx;
3020 rmb();
3021 } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3022
3023 netif_rx_complete(bp->dev, napi);
3024 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3025 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3026 bnapi->last_status_idx);
3027 return work_done;
3028}
3029
Michael Chan35efa7c2007-12-20 19:56:37 -08003030static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3031 int work_done, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003032{
Michael Chan35efa7c2007-12-20 19:56:37 -08003033 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003034 u32 status_attn_bits = sblk->status_attn_bits;
3035 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003036
Michael Chanda3e4fb2007-05-03 13:24:23 -07003037 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3038 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003039
Michael Chan35efa7c2007-12-20 19:56:37 -08003040 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003041
3042 /* This is needed to take care of transient status
3043 * during link changes.
3044 */
3045 REG_WR(bp, BNX2_HC_COMMAND,
3046 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3047 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003048 }
3049
Michael Chana550c992007-12-20 19:56:59 -08003050 if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003051 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003052
Michael Chana1f60192007-12-20 19:57:19 -08003053 if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003054 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003055
David S. Miller6f535762007-10-11 18:08:29 -07003056 return work_done;
3057}
Michael Chanf4e418f2005-11-04 08:53:48 -08003058
David S. Miller6f535762007-10-11 18:08:29 -07003059static int bnx2_poll(struct napi_struct *napi, int budget)
3060{
Michael Chan35efa7c2007-12-20 19:56:37 -08003061 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3062 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003063 int work_done = 0;
Michael Chan35efa7c2007-12-20 19:56:37 -08003064 struct status_block *sblk = bnapi->status_blk;
David S. Miller6f535762007-10-11 18:08:29 -07003065
3066 while (1) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003067 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003068
3069 if (unlikely(work_done >= budget))
3070 break;
3071
Michael Chan35efa7c2007-12-20 19:56:37 -08003072 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003073 * much work has been processed, so we must read it before
3074 * checking for more work.
3075 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003076 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07003077 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003078 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07003079 netif_rx_complete(bp->dev, napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003080 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003081 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003083 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003084 break;
David S. Miller6f535762007-10-11 18:08:29 -07003085 }
3086 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3088 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003089 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003090
Michael Chan1269a8a2006-01-23 16:11:03 -08003091 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3092 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003093 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003094 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003095 }
Michael Chanb6016b72005-05-26 13:03:09 -07003096 }
3097
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003098 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003099}
3100
Herbert Xu932ff272006-06-09 12:20:56 -07003101/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003102 * from set_multicast.
3103 */
3104static void
3105bnx2_set_rx_mode(struct net_device *dev)
3106{
Michael Chan972ec0d2006-01-23 16:12:43 -08003107 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003108 u32 rx_mode, sort_mode;
3109 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003110
Michael Chanc770a652005-08-25 15:38:39 -07003111 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003112
3113 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3114 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3115 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3116#ifdef BCM_VLAN
David S. Millerf86e82f2008-01-21 17:15:40 -08003117 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chanb6016b72005-05-26 13:03:09 -07003118 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003119#else
David S. Millerf86e82f2008-01-21 17:15:40 -08003120 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
Michael Chane29054f2006-01-23 16:06:06 -08003121 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003122#endif
3123 if (dev->flags & IFF_PROMISC) {
3124 /* Promiscuous mode. */
3125 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003126 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3127 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003128 }
3129 else if (dev->flags & IFF_ALLMULTI) {
3130 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3131 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3132 0xffffffff);
3133 }
3134 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3135 }
3136 else {
3137 /* Accept one or more multicast(s). */
3138 struct dev_mc_list *mclist;
3139 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3140 u32 regidx;
3141 u32 bit;
3142 u32 crc;
3143
3144 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3145
3146 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3147 i++, mclist = mclist->next) {
3148
3149 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3150 bit = crc & 0xff;
3151 regidx = (bit & 0xe0) >> 5;
3152 bit &= 0x1f;
3153 mc_filter[regidx] |= (1 << bit);
3154 }
3155
3156 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3157 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3158 mc_filter[i]);
3159 }
3160
3161 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3162 }
3163
3164 if (rx_mode != bp->rx_mode) {
3165 bp->rx_mode = rx_mode;
3166 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3167 }
3168
3169 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3170 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3171 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3172
Michael Chanc770a652005-08-25 15:38:39 -07003173 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003174}
3175
3176static void
Al Virob491edd2007-12-22 19:44:51 +00003177load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
Michael Chanb6016b72005-05-26 13:03:09 -07003178 u32 rv2p_proc)
3179{
3180 int i;
3181 u32 val;
3182
3183
3184 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003185 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003186 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003187 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003188 rv2p_code++;
3189
3190 if (rv2p_proc == RV2P_PROC1) {
3191 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3192 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3193 }
3194 else {
3195 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3196 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3197 }
3198 }
3199
3200 /* Reset the processor, un-stall is done later. */
3201 if (rv2p_proc == RV2P_PROC1) {
3202 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3203 }
3204 else {
3205 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3206 }
3207}
3208
Michael Chanaf3ee512006-11-19 14:09:25 -08003209static int
Michael Chanb6016b72005-05-26 13:03:09 -07003210load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3211{
3212 u32 offset;
3213 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003214 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003215
3216 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003217 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003218 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003219 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3220 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003221
3222 /* Load the Text area. */
3223 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003224 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003225 int j;
3226
Michael Chanea1f8d52007-10-02 16:27:35 -07003227 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3228 fw->gz_text_len);
3229 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003230 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003231
Michael Chanb6016b72005-05-26 13:03:09 -07003232 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003233 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003234 }
3235 }
3236
3237 /* Load the Data area. */
3238 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3239 if (fw->data) {
3240 int j;
3241
3242 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003243 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003244 }
3245 }
3246
3247 /* Load the SBSS area. */
3248 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003249 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003250 int j;
3251
3252 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003253 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003254 }
3255 }
3256
3257 /* Load the BSS area. */
3258 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003259 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003260 int j;
3261
3262 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003263 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003264 }
3265 }
3266
3267 /* Load the Read-Only area. */
3268 offset = cpu_reg->spad_base +
3269 (fw->rodata_addr - cpu_reg->mips_view_base);
3270 if (fw->rodata) {
3271 int j;
3272
3273 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003274 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003275 }
3276 }
3277
3278 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003279 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3280 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003281
3282 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003283 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003284 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003285 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3286 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003287
3288 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003289}
3290
Michael Chanfba9fe92006-06-12 22:21:25 -07003291static int
Michael Chanb6016b72005-05-26 13:03:09 -07003292bnx2_init_cpus(struct bnx2 *bp)
3293{
3294 struct cpu_reg cpu_reg;
Michael Chanaf3ee512006-11-19 14:09:25 -08003295 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003296 int rc, rv2p_len;
3297 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003298
3299 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003300 text = vmalloc(FW_BUF_SIZE);
3301 if (!text)
3302 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003303 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3304 rv2p = bnx2_xi_rv2p_proc1;
3305 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3306 } else {
3307 rv2p = bnx2_rv2p_proc1;
3308 rv2p_len = sizeof(bnx2_rv2p_proc1);
3309 }
3310 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003311 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003312 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003313
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003314 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003315
Michael Chan110d0ef2007-12-12 11:18:34 -08003316 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3317 rv2p = bnx2_xi_rv2p_proc2;
3318 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3319 } else {
3320 rv2p = bnx2_rv2p_proc2;
3321 rv2p_len = sizeof(bnx2_rv2p_proc2);
3322 }
3323 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003324 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003325 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003326
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003327 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003328
3329 /* Initialize the RX Processor. */
3330 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3331 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3332 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3333 cpu_reg.state = BNX2_RXP_CPU_STATE;
3334 cpu_reg.state_value_clear = 0xffffff;
3335 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3336 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3337 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3338 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3339 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3340 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3341 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003342
Michael Chand43584c2006-11-19 14:14:35 -08003343 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3344 fw = &bnx2_rxp_fw_09;
3345 else
3346 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003347
Michael Chanea1f8d52007-10-02 16:27:35 -07003348 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003349 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003350 if (rc)
3351 goto init_cpu_err;
3352
Michael Chanb6016b72005-05-26 13:03:09 -07003353 /* Initialize the TX Processor. */
3354 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3355 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3356 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3357 cpu_reg.state = BNX2_TXP_CPU_STATE;
3358 cpu_reg.state_value_clear = 0xffffff;
3359 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3360 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3361 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3362 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3363 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3364 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3365 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003366
Michael Chand43584c2006-11-19 14:14:35 -08003367 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3368 fw = &bnx2_txp_fw_09;
3369 else
3370 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003371
Michael Chanea1f8d52007-10-02 16:27:35 -07003372 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003373 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003374 if (rc)
3375 goto init_cpu_err;
3376
Michael Chanb6016b72005-05-26 13:03:09 -07003377 /* Initialize the TX Patch-up Processor. */
3378 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3379 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3380 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3381 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3382 cpu_reg.state_value_clear = 0xffffff;
3383 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3384 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3385 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3386 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3387 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3388 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3389 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003390
Michael Chand43584c2006-11-19 14:14:35 -08003391 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3392 fw = &bnx2_tpat_fw_09;
3393 else
3394 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003395
Michael Chanea1f8d52007-10-02 16:27:35 -07003396 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003397 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003398 if (rc)
3399 goto init_cpu_err;
3400
Michael Chanb6016b72005-05-26 13:03:09 -07003401 /* Initialize the Completion Processor. */
3402 cpu_reg.mode = BNX2_COM_CPU_MODE;
3403 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3404 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3405 cpu_reg.state = BNX2_COM_CPU_STATE;
3406 cpu_reg.state_value_clear = 0xffffff;
3407 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3408 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3409 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3410 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3411 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3412 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3413 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003414
Michael Chand43584c2006-11-19 14:14:35 -08003415 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3416 fw = &bnx2_com_fw_09;
3417 else
3418 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003419
Michael Chanea1f8d52007-10-02 16:27:35 -07003420 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003421 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003422 if (rc)
3423 goto init_cpu_err;
3424
Michael Chand43584c2006-11-19 14:14:35 -08003425 /* Initialize the Command Processor. */
3426 cpu_reg.mode = BNX2_CP_CPU_MODE;
3427 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3428 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3429 cpu_reg.state = BNX2_CP_CPU_STATE;
3430 cpu_reg.state_value_clear = 0xffffff;
3431 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3432 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3433 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3434 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3435 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3436 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3437 cpu_reg.mips_view_base = 0x8000000;
Michael Chanb6016b72005-05-26 13:03:09 -07003438
Michael Chan110d0ef2007-12-12 11:18:34 -08003439 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003440 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003441 else
3442 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003443
Michael Chan110d0ef2007-12-12 11:18:34 -08003444 fw->text = text;
3445 rc = load_cpu_fw(bp, &cpu_reg, fw);
3446
Michael Chanfba9fe92006-06-12 22:21:25 -07003447init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003448 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003449 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003450}
3451
3452static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003453bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003454{
3455 u16 pmcsr;
3456
3457 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3458
3459 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003460 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003461 u32 val;
3462
3463 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3464 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3465 PCI_PM_CTRL_PME_STATUS);
3466
3467 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3468 /* delay required during transition out of D3hot */
3469 msleep(20);
3470
3471 val = REG_RD(bp, BNX2_EMAC_MODE);
3472 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3473 val &= ~BNX2_EMAC_MODE_MPKT;
3474 REG_WR(bp, BNX2_EMAC_MODE, val);
3475
3476 val = REG_RD(bp, BNX2_RPM_CONFIG);
3477 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3478 REG_WR(bp, BNX2_RPM_CONFIG, val);
3479 break;
3480 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003481 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003482 int i;
3483 u32 val, wol_msg;
3484
3485 if (bp->wol) {
3486 u32 advertising;
3487 u8 autoneg;
3488
3489 autoneg = bp->autoneg;
3490 advertising = bp->advertising;
3491
Michael Chan239cd342007-10-17 19:26:15 -07003492 if (bp->phy_port == PORT_TP) {
3493 bp->autoneg = AUTONEG_SPEED;
3494 bp->advertising = ADVERTISED_10baseT_Half |
3495 ADVERTISED_10baseT_Full |
3496 ADVERTISED_100baseT_Half |
3497 ADVERTISED_100baseT_Full |
3498 ADVERTISED_Autoneg;
3499 }
Michael Chanb6016b72005-05-26 13:03:09 -07003500
Michael Chan239cd342007-10-17 19:26:15 -07003501 spin_lock_bh(&bp->phy_lock);
3502 bnx2_setup_phy(bp, bp->phy_port);
3503 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003504
3505 bp->autoneg = autoneg;
3506 bp->advertising = advertising;
3507
3508 bnx2_set_mac_addr(bp);
3509
3510 val = REG_RD(bp, BNX2_EMAC_MODE);
3511
3512 /* Enable port mode. */
3513 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003514 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003515 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003516 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003517 if (bp->phy_port == PORT_TP)
3518 val |= BNX2_EMAC_MODE_PORT_MII;
3519 else {
3520 val |= BNX2_EMAC_MODE_PORT_GMII;
3521 if (bp->line_speed == SPEED_2500)
3522 val |= BNX2_EMAC_MODE_25G_MODE;
3523 }
Michael Chanb6016b72005-05-26 13:03:09 -07003524
3525 REG_WR(bp, BNX2_EMAC_MODE, val);
3526
3527 /* receive all multicast */
3528 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3529 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3530 0xffffffff);
3531 }
3532 REG_WR(bp, BNX2_EMAC_RX_MODE,
3533 BNX2_EMAC_RX_MODE_SORT_MODE);
3534
3535 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3536 BNX2_RPM_SORT_USER0_MC_EN;
3537 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3538 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3539 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3540 BNX2_RPM_SORT_USER0_ENA);
3541
3542 /* Need to enable EMAC and RPM for WOL. */
3543 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3544 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3545 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3546 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3547
3548 val = REG_RD(bp, BNX2_RPM_CONFIG);
3549 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3550 REG_WR(bp, BNX2_RPM_CONFIG, val);
3551
3552 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3553 }
3554 else {
3555 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3556 }
3557
David S. Millerf86e82f2008-01-21 17:15:40 -08003558 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003559 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003560
3561 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3562 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3563 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3564
3565 if (bp->wol)
3566 pmcsr |= 3;
3567 }
3568 else {
3569 pmcsr |= 3;
3570 }
3571 if (bp->wol) {
3572 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3573 }
3574 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3575 pmcsr);
3576
3577 /* No more memory access after this point until
3578 * device is brought back to D0.
3579 */
3580 udelay(50);
3581 break;
3582 }
3583 default:
3584 return -EINVAL;
3585 }
3586 return 0;
3587}
3588
3589static int
3590bnx2_acquire_nvram_lock(struct bnx2 *bp)
3591{
3592 u32 val;
3593 int j;
3594
3595 /* Request access to the flash interface. */
3596 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3597 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3598 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3599 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3600 break;
3601
3602 udelay(5);
3603 }
3604
3605 if (j >= NVRAM_TIMEOUT_COUNT)
3606 return -EBUSY;
3607
3608 return 0;
3609}
3610
3611static int
3612bnx2_release_nvram_lock(struct bnx2 *bp)
3613{
3614 int j;
3615 u32 val;
3616
3617 /* Relinquish nvram interface. */
3618 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3619
3620 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3621 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3622 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3623 break;
3624
3625 udelay(5);
3626 }
3627
3628 if (j >= NVRAM_TIMEOUT_COUNT)
3629 return -EBUSY;
3630
3631 return 0;
3632}
3633
3634
3635static int
3636bnx2_enable_nvram_write(struct bnx2 *bp)
3637{
3638 u32 val;
3639
3640 val = REG_RD(bp, BNX2_MISC_CFG);
3641 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3642
Michael Chane30372c2007-07-16 18:26:23 -07003643 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003644 int j;
3645
3646 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3647 REG_WR(bp, BNX2_NVM_COMMAND,
3648 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3649
3650 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3651 udelay(5);
3652
3653 val = REG_RD(bp, BNX2_NVM_COMMAND);
3654 if (val & BNX2_NVM_COMMAND_DONE)
3655 break;
3656 }
3657
3658 if (j >= NVRAM_TIMEOUT_COUNT)
3659 return -EBUSY;
3660 }
3661 return 0;
3662}
3663
3664static void
3665bnx2_disable_nvram_write(struct bnx2 *bp)
3666{
3667 u32 val;
3668
3669 val = REG_RD(bp, BNX2_MISC_CFG);
3670 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3671}
3672
3673
3674static void
3675bnx2_enable_nvram_access(struct bnx2 *bp)
3676{
3677 u32 val;
3678
3679 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3680 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003681 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003682 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3683}
3684
3685static void
3686bnx2_disable_nvram_access(struct bnx2 *bp)
3687{
3688 u32 val;
3689
3690 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3691 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003692 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003693 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3694 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3695}
3696
3697static int
3698bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3699{
3700 u32 cmd;
3701 int j;
3702
Michael Chane30372c2007-07-16 18:26:23 -07003703 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003704 /* Buffered flash, no erase needed */
3705 return 0;
3706
3707 /* Build an erase command */
3708 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3709 BNX2_NVM_COMMAND_DOIT;
3710
3711 /* Need to clear DONE bit separately. */
3712 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3713
3714 /* Address of the NVRAM to read from. */
3715 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3716
3717 /* Issue an erase command. */
3718 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3719
3720 /* Wait for completion. */
3721 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3722 u32 val;
3723
3724 udelay(5);
3725
3726 val = REG_RD(bp, BNX2_NVM_COMMAND);
3727 if (val & BNX2_NVM_COMMAND_DONE)
3728 break;
3729 }
3730
3731 if (j >= NVRAM_TIMEOUT_COUNT)
3732 return -EBUSY;
3733
3734 return 0;
3735}
3736
3737static int
3738bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3739{
3740 u32 cmd;
3741 int j;
3742
3743 /* Build the command word. */
3744 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3745
Michael Chane30372c2007-07-16 18:26:23 -07003746 /* Calculate an offset of a buffered flash, not needed for 5709. */
3747 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003748 offset = ((offset / bp->flash_info->page_size) <<
3749 bp->flash_info->page_bits) +
3750 (offset % bp->flash_info->page_size);
3751 }
3752
3753 /* Need to clear DONE bit separately. */
3754 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3755
3756 /* Address of the NVRAM to read from. */
3757 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3758
3759 /* Issue a read command. */
3760 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3761
3762 /* Wait for completion. */
3763 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3764 u32 val;
3765
3766 udelay(5);
3767
3768 val = REG_RD(bp, BNX2_NVM_COMMAND);
3769 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003770 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3771 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003772 break;
3773 }
3774 }
3775 if (j >= NVRAM_TIMEOUT_COUNT)
3776 return -EBUSY;
3777
3778 return 0;
3779}
3780
3781
3782static int
3783bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3784{
Al Virob491edd2007-12-22 19:44:51 +00003785 u32 cmd;
3786 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003787 int j;
3788
3789 /* Build the command word. */
3790 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3791
Michael Chane30372c2007-07-16 18:26:23 -07003792 /* Calculate an offset of a buffered flash, not needed for 5709. */
3793 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003794 offset = ((offset / bp->flash_info->page_size) <<
3795 bp->flash_info->page_bits) +
3796 (offset % bp->flash_info->page_size);
3797 }
3798
3799 /* Need to clear DONE bit separately. */
3800 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3801
3802 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003803
3804 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003805 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003806
3807 /* Address of the NVRAM to write to. */
3808 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3809
3810 /* Issue the write command. */
3811 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3812
3813 /* Wait for completion. */
3814 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3815 udelay(5);
3816
3817 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3818 break;
3819 }
3820 if (j >= NVRAM_TIMEOUT_COUNT)
3821 return -EBUSY;
3822
3823 return 0;
3824}
3825
3826static int
3827bnx2_init_nvram(struct bnx2 *bp)
3828{
3829 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003830 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003831 struct flash_spec *flash;
3832
Michael Chane30372c2007-07-16 18:26:23 -07003833 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3834 bp->flash_info = &flash_5709;
3835 goto get_flash_size;
3836 }
3837
Michael Chanb6016b72005-05-26 13:03:09 -07003838 /* Determine the selected interface. */
3839 val = REG_RD(bp, BNX2_NVM_CFG1);
3840
Denis Chengff8ac602007-09-02 18:30:18 +08003841 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003842
Michael Chanb6016b72005-05-26 13:03:09 -07003843 if (val & 0x40000000) {
3844
3845 /* Flash interface has been reconfigured */
3846 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003847 j++, flash++) {
3848 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3849 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003850 bp->flash_info = flash;
3851 break;
3852 }
3853 }
3854 }
3855 else {
Michael Chan37137702005-11-04 08:49:17 -08003856 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003857 /* Not yet been reconfigured */
3858
Michael Chan37137702005-11-04 08:49:17 -08003859 if (val & (1 << 23))
3860 mask = FLASH_BACKUP_STRAP_MASK;
3861 else
3862 mask = FLASH_STRAP_MASK;
3863
Michael Chanb6016b72005-05-26 13:03:09 -07003864 for (j = 0, flash = &flash_table[0]; j < entry_count;
3865 j++, flash++) {
3866
Michael Chan37137702005-11-04 08:49:17 -08003867 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003868 bp->flash_info = flash;
3869
3870 /* Request access to the flash interface. */
3871 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3872 return rc;
3873
3874 /* Enable access to flash interface */
3875 bnx2_enable_nvram_access(bp);
3876
3877 /* Reconfigure the flash interface */
3878 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3879 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3880 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3881 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3882
3883 /* Disable access to flash interface */
3884 bnx2_disable_nvram_access(bp);
3885 bnx2_release_nvram_lock(bp);
3886
3887 break;
3888 }
3889 }
3890 } /* if (val & 0x40000000) */
3891
3892 if (j == entry_count) {
3893 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003894 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003895 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003896 }
3897
Michael Chane30372c2007-07-16 18:26:23 -07003898get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003899 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003900 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3901 if (val)
3902 bp->flash_size = val;
3903 else
3904 bp->flash_size = bp->flash_info->total_size;
3905
Michael Chanb6016b72005-05-26 13:03:09 -07003906 return rc;
3907}
3908
3909static int
3910bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3911 int buf_size)
3912{
3913 int rc = 0;
3914 u32 cmd_flags, offset32, len32, extra;
3915
3916 if (buf_size == 0)
3917 return 0;
3918
3919 /* Request access to the flash interface. */
3920 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3921 return rc;
3922
3923 /* Enable access to flash interface */
3924 bnx2_enable_nvram_access(bp);
3925
3926 len32 = buf_size;
3927 offset32 = offset;
3928 extra = 0;
3929
3930 cmd_flags = 0;
3931
3932 if (offset32 & 3) {
3933 u8 buf[4];
3934 u32 pre_len;
3935
3936 offset32 &= ~3;
3937 pre_len = 4 - (offset & 3);
3938
3939 if (pre_len >= len32) {
3940 pre_len = len32;
3941 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3942 BNX2_NVM_COMMAND_LAST;
3943 }
3944 else {
3945 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3946 }
3947
3948 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3949
3950 if (rc)
3951 return rc;
3952
3953 memcpy(ret_buf, buf + (offset & 3), pre_len);
3954
3955 offset32 += 4;
3956 ret_buf += pre_len;
3957 len32 -= pre_len;
3958 }
3959 if (len32 & 3) {
3960 extra = 4 - (len32 & 3);
3961 len32 = (len32 + 4) & ~3;
3962 }
3963
3964 if (len32 == 4) {
3965 u8 buf[4];
3966
3967 if (cmd_flags)
3968 cmd_flags = BNX2_NVM_COMMAND_LAST;
3969 else
3970 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3971 BNX2_NVM_COMMAND_LAST;
3972
3973 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3974
3975 memcpy(ret_buf, buf, 4 - extra);
3976 }
3977 else if (len32 > 0) {
3978 u8 buf[4];
3979
3980 /* Read the first word. */
3981 if (cmd_flags)
3982 cmd_flags = 0;
3983 else
3984 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3985
3986 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3987
3988 /* Advance to the next dword. */
3989 offset32 += 4;
3990 ret_buf += 4;
3991 len32 -= 4;
3992
3993 while (len32 > 4 && rc == 0) {
3994 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3995
3996 /* Advance to the next dword. */
3997 offset32 += 4;
3998 ret_buf += 4;
3999 len32 -= 4;
4000 }
4001
4002 if (rc)
4003 return rc;
4004
4005 cmd_flags = BNX2_NVM_COMMAND_LAST;
4006 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4007
4008 memcpy(ret_buf, buf, 4 - extra);
4009 }
4010
4011 /* Disable access to flash interface */
4012 bnx2_disable_nvram_access(bp);
4013
4014 bnx2_release_nvram_lock(bp);
4015
4016 return rc;
4017}
4018
4019static int
4020bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4021 int buf_size)
4022{
4023 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004024 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004025 int rc = 0;
4026 int align_start, align_end;
4027
4028 buf = data_buf;
4029 offset32 = offset;
4030 len32 = buf_size;
4031 align_start = align_end = 0;
4032
4033 if ((align_start = (offset32 & 3))) {
4034 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004035 len32 += align_start;
4036 if (len32 < 4)
4037 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004038 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4039 return rc;
4040 }
4041
4042 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004043 align_end = 4 - (len32 & 3);
4044 len32 += align_end;
4045 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4046 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004047 }
4048
4049 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004050 align_buf = kmalloc(len32, GFP_KERNEL);
4051 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004052 return -ENOMEM;
4053 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004054 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004055 }
4056 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004057 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004058 }
Michael Chane6be7632007-01-08 19:56:13 -08004059 memcpy(align_buf + align_start, data_buf, buf_size);
4060 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004061 }
4062
Michael Chane30372c2007-07-16 18:26:23 -07004063 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004064 flash_buffer = kmalloc(264, GFP_KERNEL);
4065 if (flash_buffer == NULL) {
4066 rc = -ENOMEM;
4067 goto nvram_write_end;
4068 }
4069 }
4070
Michael Chanb6016b72005-05-26 13:03:09 -07004071 written = 0;
4072 while ((written < len32) && (rc == 0)) {
4073 u32 page_start, page_end, data_start, data_end;
4074 u32 addr, cmd_flags;
4075 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004076
4077 /* Find the page_start addr */
4078 page_start = offset32 + written;
4079 page_start -= (page_start % bp->flash_info->page_size);
4080 /* Find the page_end addr */
4081 page_end = page_start + bp->flash_info->page_size;
4082 /* Find the data_start addr */
4083 data_start = (written == 0) ? offset32 : page_start;
4084 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004085 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004086 (offset32 + len32) : page_end;
4087
4088 /* Request access to the flash interface. */
4089 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4090 goto nvram_write_end;
4091
4092 /* Enable access to flash interface */
4093 bnx2_enable_nvram_access(bp);
4094
4095 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004096 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004097 int j;
4098
4099 /* Read the whole page into the buffer
4100 * (non-buffer flash only) */
4101 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4102 if (j == (bp->flash_info->page_size - 4)) {
4103 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4104 }
4105 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004106 page_start + j,
4107 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004108 cmd_flags);
4109
4110 if (rc)
4111 goto nvram_write_end;
4112
4113 cmd_flags = 0;
4114 }
4115 }
4116
4117 /* Enable writes to flash interface (unlock write-protect) */
4118 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4119 goto nvram_write_end;
4120
Michael Chanb6016b72005-05-26 13:03:09 -07004121 /* Loop to write back the buffer data from page_start to
4122 * data_start */
4123 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004124 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004125 /* Erase the page */
4126 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4127 goto nvram_write_end;
4128
4129 /* Re-enable the write again for the actual write */
4130 bnx2_enable_nvram_write(bp);
4131
Michael Chanb6016b72005-05-26 13:03:09 -07004132 for (addr = page_start; addr < data_start;
4133 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004134
Michael Chanb6016b72005-05-26 13:03:09 -07004135 rc = bnx2_nvram_write_dword(bp, addr,
4136 &flash_buffer[i], cmd_flags);
4137
4138 if (rc != 0)
4139 goto nvram_write_end;
4140
4141 cmd_flags = 0;
4142 }
4143 }
4144
4145 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004146 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004147 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004148 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004149 (addr == data_end - 4))) {
4150
4151 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4152 }
4153 rc = bnx2_nvram_write_dword(bp, addr, buf,
4154 cmd_flags);
4155
4156 if (rc != 0)
4157 goto nvram_write_end;
4158
4159 cmd_flags = 0;
4160 buf += 4;
4161 }
4162
4163 /* Loop to write back the buffer data from data_end
4164 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004165 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004166 for (addr = data_end; addr < page_end;
4167 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004168
Michael Chanb6016b72005-05-26 13:03:09 -07004169 if (addr == page_end-4) {
4170 cmd_flags = BNX2_NVM_COMMAND_LAST;
4171 }
4172 rc = bnx2_nvram_write_dword(bp, addr,
4173 &flash_buffer[i], cmd_flags);
4174
4175 if (rc != 0)
4176 goto nvram_write_end;
4177
4178 cmd_flags = 0;
4179 }
4180 }
4181
4182 /* Disable writes to flash interface (lock write-protect) */
4183 bnx2_disable_nvram_write(bp);
4184
4185 /* Disable access to flash interface */
4186 bnx2_disable_nvram_access(bp);
4187 bnx2_release_nvram_lock(bp);
4188
4189 /* Increment written */
4190 written += data_end - data_start;
4191 }
4192
4193nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004194 kfree(flash_buffer);
4195 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004196 return rc;
4197}
4198
Michael Chan0d8a6572007-07-07 22:49:43 -07004199static void
4200bnx2_init_remote_phy(struct bnx2 *bp)
4201{
4202 u32 val;
4203
Michael Chan583c28e2008-01-21 19:51:35 -08004204 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4205 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004206 return;
4207
Michael Chan2726d6e2008-01-29 21:35:05 -08004208 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004209 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4210 return;
4211
4212 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004213 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004214
Michael Chan2726d6e2008-01-29 21:35:05 -08004215 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004216 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4217 bp->phy_port = PORT_FIBRE;
4218 else
4219 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004220
4221 if (netif_running(bp->dev)) {
4222 u32 sig;
4223
Michael Chan489310a2007-10-10 16:16:31 -07004224 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4225 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004226 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004227 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004228 }
4229}
4230
Michael Chanb4b36042007-12-20 19:59:30 -08004231static void
4232bnx2_setup_msix_tbl(struct bnx2 *bp)
4233{
4234 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4235
4236 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4237 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4238}
4239
Michael Chanb6016b72005-05-26 13:03:09 -07004240static int
4241bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4242{
4243 u32 val;
4244 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004245 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004246
4247 /* Wait for the current PCI transaction to complete before
4248 * issuing a reset. */
4249 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4250 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4251 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4252 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4253 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4254 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4255 udelay(5);
4256
Michael Chanb090ae22006-01-23 16:07:10 -08004257 /* Wait for the firmware to tell us it is ok to issue a reset. */
4258 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4259
Michael Chanb6016b72005-05-26 13:03:09 -07004260 /* Deposit a driver reset signature so the firmware knows that
4261 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004262 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4263 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004264
Michael Chanb6016b72005-05-26 13:03:09 -07004265 /* Do a dummy read to force the chip to complete all current transaction
4266 * before we issue a reset. */
4267 val = REG_RD(bp, BNX2_MISC_ID);
4268
Michael Chan234754d2006-11-19 14:11:41 -08004269 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4270 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4271 REG_RD(bp, BNX2_MISC_COMMAND);
4272 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004273
Michael Chan234754d2006-11-19 14:11:41 -08004274 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4275 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004276
Michael Chan234754d2006-11-19 14:11:41 -08004277 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004278
Michael Chan234754d2006-11-19 14:11:41 -08004279 } else {
4280 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4281 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4282 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4283
4284 /* Chip reset. */
4285 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4286
Michael Chan594a9df2007-08-28 15:39:42 -07004287 /* Reading back any register after chip reset will hang the
4288 * bus on 5706 A0 and A1. The msleep below provides plenty
4289 * of margin for write posting.
4290 */
Michael Chan234754d2006-11-19 14:11:41 -08004291 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004292 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4293 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004294
Michael Chan234754d2006-11-19 14:11:41 -08004295 /* Reset takes approximate 30 usec */
4296 for (i = 0; i < 10; i++) {
4297 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4298 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4299 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4300 break;
4301 udelay(10);
4302 }
4303
4304 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4305 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4306 printk(KERN_ERR PFX "Chip reset did not complete\n");
4307 return -EBUSY;
4308 }
Michael Chanb6016b72005-05-26 13:03:09 -07004309 }
4310
4311 /* Make sure byte swapping is properly configured. */
4312 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4313 if (val != 0x01020304) {
4314 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4315 return -ENODEV;
4316 }
4317
Michael Chanb6016b72005-05-26 13:03:09 -07004318 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004319 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4320 if (rc)
4321 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004322
Michael Chan0d8a6572007-07-07 22:49:43 -07004323 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004324 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004325 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004326 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4327 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004328 bnx2_set_default_remote_link(bp);
4329 spin_unlock_bh(&bp->phy_lock);
4330
Michael Chanb6016b72005-05-26 13:03:09 -07004331 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4332 /* Adjust the voltage regular to two steps lower. The default
4333 * of this register is 0x0000000e. */
4334 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4335
4336 /* Remove bad rbuf memory from the free pool. */
4337 rc = bnx2_alloc_bad_rbuf(bp);
4338 }
4339
David S. Millerf86e82f2008-01-21 17:15:40 -08004340 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004341 bnx2_setup_msix_tbl(bp);
4342
Michael Chanb6016b72005-05-26 13:03:09 -07004343 return rc;
4344}
4345
4346static int
4347bnx2_init_chip(struct bnx2 *bp)
4348{
4349 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004350 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004351
4352 /* Make sure the interrupt is not active. */
4353 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4354
4355 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4356 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4357#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004358 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004359#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004360 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004361 DMA_READ_CHANS << 12 |
4362 DMA_WRITE_CHANS << 16;
4363
4364 val |= (0x2 << 20) | (1 << 11);
4365
David S. Millerf86e82f2008-01-21 17:15:40 -08004366 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004367 val |= (1 << 23);
4368
4369 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004370 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004371 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4372
4373 REG_WR(bp, BNX2_DMA_CONFIG, val);
4374
4375 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4376 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4377 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4378 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4379 }
4380
David S. Millerf86e82f2008-01-21 17:15:40 -08004381 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004382 u16 val16;
4383
4384 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4385 &val16);
4386 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4387 val16 & ~PCI_X_CMD_ERO);
4388 }
4389
4390 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4391 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4392 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4393 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4394
4395 /* Initialize context mapping and zero out the quick contexts. The
4396 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004397 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4398 rc = bnx2_init_5709_context(bp);
4399 if (rc)
4400 return rc;
4401 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004402 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004403
Michael Chanfba9fe92006-06-12 22:21:25 -07004404 if ((rc = bnx2_init_cpus(bp)) != 0)
4405 return rc;
4406
Michael Chanb6016b72005-05-26 13:03:09 -07004407 bnx2_init_nvram(bp);
4408
4409 bnx2_set_mac_addr(bp);
4410
4411 val = REG_RD(bp, BNX2_MQ_CONFIG);
4412 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4413 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004414 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4415 val |= BNX2_MQ_CONFIG_HALT_DIS;
4416
Michael Chanb6016b72005-05-26 13:03:09 -07004417 REG_WR(bp, BNX2_MQ_CONFIG, val);
4418
4419 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4420 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4421 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4422
4423 val = (BCM_PAGE_BITS - 8) << 24;
4424 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4425
4426 /* Configure page size. */
4427 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4428 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4429 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4430 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4431
4432 val = bp->mac_addr[0] +
4433 (bp->mac_addr[1] << 8) +
4434 (bp->mac_addr[2] << 16) +
4435 bp->mac_addr[3] +
4436 (bp->mac_addr[4] << 8) +
4437 (bp->mac_addr[5] << 16);
4438 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4439
4440 /* Program the MTU. Also include 4 bytes for CRC32. */
4441 val = bp->dev->mtu + ETH_HLEN + 4;
4442 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4443 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4444 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4445
Michael Chanb4b36042007-12-20 19:59:30 -08004446 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4447 bp->bnx2_napi[i].last_status_idx = 0;
4448
Michael Chanb6016b72005-05-26 13:03:09 -07004449 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4450
4451 /* Set up how to generate a link change interrupt. */
4452 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4453
4454 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4455 (u64) bp->status_blk_mapping & 0xffffffff);
4456 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4457
4458 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4459 (u64) bp->stats_blk_mapping & 0xffffffff);
4460 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4461 (u64) bp->stats_blk_mapping >> 32);
4462
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004463 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004464 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4465
4466 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4467 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4468
4469 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4470 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4471
4472 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4473
4474 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4475
4476 REG_WR(bp, BNX2_HC_COM_TICKS,
4477 (bp->com_ticks_int << 16) | bp->com_ticks);
4478
4479 REG_WR(bp, BNX2_HC_CMD_TICKS,
4480 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4481
Michael Chan02537b062007-06-04 21:24:07 -07004482 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4483 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4484 else
Michael Chan7ea69202007-07-16 18:27:10 -07004485 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004486 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4487
4488 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004489 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004490 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004491 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4492 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004493 }
4494
David S. Millerf86e82f2008-01-21 17:15:40 -08004495 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chan6f743ca2008-01-29 21:34:08 -08004496 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4497 BNX2_HC_SB_CONFIG_1;
4498
Michael Chanc76c0472007-12-20 20:01:19 -08004499 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4500 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4501
Michael Chan6f743ca2008-01-29 21:34:08 -08004502 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004503 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4504 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4505
Michael Chan6f743ca2008-01-29 21:34:08 -08004506 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004507 (bp->tx_quick_cons_trip_int << 16) |
4508 bp->tx_quick_cons_trip);
4509
Michael Chan6f743ca2008-01-29 21:34:08 -08004510 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004511 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4512
4513 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4514 }
4515
David S. Millerf86e82f2008-01-21 17:15:40 -08004516 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004517 val |= BNX2_HC_CONFIG_ONE_SHOT;
4518
4519 REG_WR(bp, BNX2_HC_CONFIG, val);
4520
Michael Chanb6016b72005-05-26 13:03:09 -07004521 /* Clear internal stats counters. */
4522 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4523
Michael Chanda3e4fb2007-05-03 13:24:23 -07004524 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004525
4526 /* Initialize the receive filter. */
4527 bnx2_set_rx_mode(bp->dev);
4528
Michael Chan0aa38df2007-06-04 21:23:06 -07004529 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4530 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4531 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4532 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4533 }
Michael Chanb090ae22006-01-23 16:07:10 -08004534 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4535 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004536
Michael Chandf149d72007-07-07 22:51:36 -07004537 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004538 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4539
4540 udelay(20);
4541
Michael Chanbf5295b2006-03-23 01:11:56 -08004542 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4543
Michael Chanb090ae22006-01-23 16:07:10 -08004544 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004545}
4546
Michael Chan59b47d82006-11-19 14:10:45 -08004547static void
Michael Chanc76c0472007-12-20 20:01:19 -08004548bnx2_clear_ring_states(struct bnx2 *bp)
4549{
4550 struct bnx2_napi *bnapi;
4551 int i;
4552
4553 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4554 bnapi = &bp->bnx2_napi[i];
4555
4556 bnapi->tx_cons = 0;
4557 bnapi->hw_tx_cons = 0;
4558 bnapi->rx_prod_bseq = 0;
4559 bnapi->rx_prod = 0;
4560 bnapi->rx_cons = 0;
4561 bnapi->rx_pg_prod = 0;
4562 bnapi->rx_pg_cons = 0;
4563 }
4564}
4565
4566static void
Michael Chan59b47d82006-11-19 14:10:45 -08004567bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4568{
4569 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004570 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004571
4572 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4573 offset0 = BNX2_L2CTX_TYPE_XI;
4574 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4575 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4576 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4577 } else {
4578 offset0 = BNX2_L2CTX_TYPE;
4579 offset1 = BNX2_L2CTX_CMD_TYPE;
4580 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4581 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4582 }
4583 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004584 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004585
4586 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004587 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004588
4589 val = (u64) bp->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004590 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004591
4592 val = (u64) bp->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004593 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004594}
Michael Chanb6016b72005-05-26 13:03:09 -07004595
4596static void
4597bnx2_init_tx_ring(struct bnx2 *bp)
4598{
4599 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004600 u32 cid = TX_CID;
4601 struct bnx2_napi *bnapi;
4602
4603 bp->tx_vec = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004604 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004605 cid = TX_TSS_CID;
4606 bp->tx_vec = BNX2_TX_VEC;
4607 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4608 (TX_TSS_CID << 7));
4609 }
4610 bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07004611
Michael Chan2f8af122006-08-15 01:39:10 -07004612 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4613
Michael Chanb6016b72005-05-26 13:03:09 -07004614 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004615
Michael Chanb6016b72005-05-26 13:03:09 -07004616 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4617 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4618
4619 bp->tx_prod = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004620 bp->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004621
Michael Chan59b47d82006-11-19 14:10:45 -08004622 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4623 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004624
Michael Chan59b47d82006-11-19 14:10:45 -08004625 bnx2_init_tx_context(bp, cid);
Michael Chanb6016b72005-05-26 13:03:09 -07004626}
4627
4628static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004629bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4630 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004631{
Michael Chanb6016b72005-05-26 13:03:09 -07004632 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004633 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004634
Michael Chan5d5d0012007-12-12 11:17:43 -08004635 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004636 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004637
Michael Chan5d5d0012007-12-12 11:17:43 -08004638 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004639 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004640 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004641 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4642 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004643 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004644 j = 0;
4645 else
4646 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004647 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4648 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004649 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004650}
4651
4652static void
4653bnx2_init_rx_ring(struct bnx2 *bp)
4654{
4655 int i;
4656 u16 prod, ring_prod;
4657 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
Michael Chanb4b36042007-12-20 19:59:30 -08004658 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan5d5d0012007-12-12 11:17:43 -08004659
Michael Chan5d5d0012007-12-12 11:17:43 -08004660 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4661 bp->rx_buf_use_size, bp->rx_max_ring);
4662
Michael Chan83e3fc82008-01-29 21:37:17 -08004663 bnx2_init_rx_context0(bp);
4664
4665 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4666 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4667 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4668 }
4669
Michael Chan62a83132008-01-29 21:35:40 -08004670 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004671 if (bp->rx_pg_ring_size) {
4672 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4673 bp->rx_pg_desc_mapping,
4674 PAGE_SIZE, bp->rx_max_pg_ring);
4675 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004676 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4677 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan47bf4242007-12-12 11:19:12 -08004678 BNX2_L2CTX_RBDC_JUMBO_KEY);
4679
4680 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004681 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004682
4683 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004684 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004685
4686 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4687 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4688 }
Michael Chanb6016b72005-05-26 13:03:09 -07004689
Michael Chan13daffa2006-03-20 17:49:20 -08004690 val = (u64) bp->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004691 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004692
Michael Chan13daffa2006-03-20 17:49:20 -08004693 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004694 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004695
Michael Chana1f60192007-12-20 19:57:19 -08004696 ring_prod = prod = bnapi->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004697 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4698 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4699 break;
4700 prod = NEXT_RX_BD(prod);
4701 ring_prod = RX_PG_RING_IDX(prod);
4702 }
Michael Chana1f60192007-12-20 19:57:19 -08004703 bnapi->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004704
Michael Chana1f60192007-12-20 19:57:19 -08004705 ring_prod = prod = bnapi->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004706 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chana1f60192007-12-20 19:57:19 -08004707 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004708 break;
4709 }
4710 prod = NEXT_RX_BD(prod);
4711 ring_prod = RX_RING_IDX(prod);
4712 }
Michael Chana1f60192007-12-20 19:57:19 -08004713 bnapi->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004714
Michael Chana1f60192007-12-20 19:57:19 -08004715 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4716 bnapi->rx_pg_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07004717 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4718
Michael Chana1f60192007-12-20 19:57:19 -08004719 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004720}
4721
Michael Chan5d5d0012007-12-12 11:17:43 -08004722static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004723{
Michael Chan5d5d0012007-12-12 11:17:43 -08004724 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004725
Michael Chan5d5d0012007-12-12 11:17:43 -08004726 while (ring_size > MAX_RX_DESC_CNT) {
4727 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004728 num_rings++;
4729 }
4730 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004731 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004732 while ((max & num_rings) == 0)
4733 max >>= 1;
4734
4735 if (num_rings != max)
4736 max <<= 1;
4737
Michael Chan5d5d0012007-12-12 11:17:43 -08004738 return max;
4739}
4740
4741static void
4742bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4743{
Michael Chan84eaa182007-12-12 11:19:57 -08004744 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004745
4746 /* 8 for CRC and VLAN */
4747 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4748
Michael Chan84eaa182007-12-12 11:19:57 -08004749 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4750 sizeof(struct skb_shared_info);
4751
Michael Chan5d5d0012007-12-12 11:17:43 -08004752 bp->rx_copy_thresh = RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004753 bp->rx_pg_ring_size = 0;
4754 bp->rx_max_pg_ring = 0;
4755 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004756 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004757 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4758
4759 jumbo_size = size * pages;
4760 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4761 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4762
4763 bp->rx_pg_ring_size = jumbo_size;
4764 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4765 MAX_RX_PG_RINGS);
4766 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4767 rx_size = RX_COPY_THRESH + bp->rx_offset;
4768 bp->rx_copy_thresh = 0;
4769 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004770
4771 bp->rx_buf_use_size = rx_size;
4772 /* hw alignment */
4773 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Michael Chan1db82f22007-12-12 11:19:35 -08004774 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
Michael Chan5d5d0012007-12-12 11:17:43 -08004775 bp->rx_ring_size = size;
4776 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004777 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4778}
4779
4780static void
Michael Chanb6016b72005-05-26 13:03:09 -07004781bnx2_free_tx_skbs(struct bnx2 *bp)
4782{
4783 int i;
4784
4785 if (bp->tx_buf_ring == NULL)
4786 return;
4787
4788 for (i = 0; i < TX_DESC_CNT; ) {
4789 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4790 struct sk_buff *skb = tx_buf->skb;
4791 int j, last;
4792
4793 if (skb == NULL) {
4794 i++;
4795 continue;
4796 }
4797
4798 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4799 skb_headlen(skb), PCI_DMA_TODEVICE);
4800
4801 tx_buf->skb = NULL;
4802
4803 last = skb_shinfo(skb)->nr_frags;
4804 for (j = 0; j < last; j++) {
4805 tx_buf = &bp->tx_buf_ring[i + j + 1];
4806 pci_unmap_page(bp->pdev,
4807 pci_unmap_addr(tx_buf, mapping),
4808 skb_shinfo(skb)->frags[j].size,
4809 PCI_DMA_TODEVICE);
4810 }
Michael Chan745720e2006-06-29 12:37:41 -07004811 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004812 i += j + 1;
4813 }
4814
4815}
4816
4817static void
4818bnx2_free_rx_skbs(struct bnx2 *bp)
4819{
4820 int i;
4821
4822 if (bp->rx_buf_ring == NULL)
4823 return;
4824
Michael Chan13daffa2006-03-20 17:49:20 -08004825 for (i = 0; i < bp->rx_max_ring_idx; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004826 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4827 struct sk_buff *skb = rx_buf->skb;
4828
Michael Chan05d0f1c2005-11-04 08:53:48 -08004829 if (skb == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004830 continue;
4831
4832 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4833 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4834
4835 rx_buf->skb = NULL;
4836
Michael Chan745720e2006-06-29 12:37:41 -07004837 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004838 }
Michael Chan47bf4242007-12-12 11:19:12 -08004839 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4840 bnx2_free_rx_page(bp, i);
Michael Chanb6016b72005-05-26 13:03:09 -07004841}
4842
4843static void
4844bnx2_free_skbs(struct bnx2 *bp)
4845{
4846 bnx2_free_tx_skbs(bp);
4847 bnx2_free_rx_skbs(bp);
4848}
4849
4850static int
4851bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4852{
4853 int rc;
4854
4855 rc = bnx2_reset_chip(bp, reset_code);
4856 bnx2_free_skbs(bp);
4857 if (rc)
4858 return rc;
4859
Michael Chanfba9fe92006-06-12 22:21:25 -07004860 if ((rc = bnx2_init_chip(bp)) != 0)
4861 return rc;
4862
Michael Chanc76c0472007-12-20 20:01:19 -08004863 bnx2_clear_ring_states(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004864 bnx2_init_tx_ring(bp);
4865 bnx2_init_rx_ring(bp);
4866 return 0;
4867}
4868
4869static int
4870bnx2_init_nic(struct bnx2 *bp)
4871{
4872 int rc;
4873
4874 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4875 return rc;
4876
Michael Chan80be4432006-11-19 14:07:28 -08004877 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004878 bnx2_init_phy(bp);
4879 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07004880 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4881 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07004882 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004883 return 0;
4884}
4885
4886static int
4887bnx2_test_registers(struct bnx2 *bp)
4888{
4889 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07004890 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05004891 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004892 u16 offset;
4893 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07004894#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07004895 u32 rw_mask;
4896 u32 ro_mask;
4897 } reg_tbl[] = {
4898 { 0x006c, 0, 0x00000000, 0x0000003f },
4899 { 0x0090, 0, 0xffffffff, 0x00000000 },
4900 { 0x0094, 0, 0x00000000, 0x00000000 },
4901
Michael Chan5bae30c2007-05-03 13:18:46 -07004902 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4903 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4904 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4905 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4906 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4907 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4908 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4909 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07004911
Michael Chan5bae30c2007-05-03 13:18:46 -07004912 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4913 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4914 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4915 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4916 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4917 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07004918
Michael Chan5bae30c2007-05-03 13:18:46 -07004919 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4920 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4921 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004922
4923 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07004924 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07004925
4926 { 0x1408, 0, 0x01c00800, 0x00000000 },
4927 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4928 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004929 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004930 { 0x14b0, 0, 0x00000002, 0x00000001 },
4931 { 0x14b8, 0, 0x00000000, 0x00000000 },
4932 { 0x14c0, 0, 0x00000000, 0x00000009 },
4933 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4934 { 0x14cc, 0, 0x00000000, 0x00000001 },
4935 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004936
4937 { 0x1800, 0, 0x00000000, 0x00000001 },
4938 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07004939
4940 { 0x2800, 0, 0x00000000, 0x00000001 },
4941 { 0x2804, 0, 0x00000000, 0x00003f01 },
4942 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4943 { 0x2810, 0, 0xffff0000, 0x00000000 },
4944 { 0x2814, 0, 0xffff0000, 0x00000000 },
4945 { 0x2818, 0, 0xffff0000, 0x00000000 },
4946 { 0x281c, 0, 0xffff0000, 0x00000000 },
4947 { 0x2834, 0, 0xffffffff, 0x00000000 },
4948 { 0x2840, 0, 0x00000000, 0xffffffff },
4949 { 0x2844, 0, 0x00000000, 0xffffffff },
4950 { 0x2848, 0, 0xffffffff, 0x00000000 },
4951 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4952
4953 { 0x2c00, 0, 0x00000000, 0x00000011 },
4954 { 0x2c04, 0, 0x00000000, 0x00030007 },
4955
Michael Chanb6016b72005-05-26 13:03:09 -07004956 { 0x3c00, 0, 0x00000000, 0x00000001 },
4957 { 0x3c04, 0, 0x00000000, 0x00070000 },
4958 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4959 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4960 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4961 { 0x3c14, 0, 0x00000000, 0xffffffff },
4962 { 0x3c18, 0, 0x00000000, 0xffffffff },
4963 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4964 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004965
4966 { 0x5004, 0, 0x00000000, 0x0000007f },
4967 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004968
Michael Chanb6016b72005-05-26 13:03:09 -07004969 { 0x5c00, 0, 0x00000000, 0x00000001 },
4970 { 0x5c04, 0, 0x00000000, 0x0003000f },
4971 { 0x5c08, 0, 0x00000003, 0x00000000 },
4972 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4973 { 0x5c10, 0, 0x00000000, 0xffffffff },
4974 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4975 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4976 { 0x5c88, 0, 0x00000000, 0x00077373 },
4977 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4978
4979 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4980 { 0x680c, 0, 0xffffffff, 0x00000000 },
4981 { 0x6810, 0, 0xffffffff, 0x00000000 },
4982 { 0x6814, 0, 0xffffffff, 0x00000000 },
4983 { 0x6818, 0, 0xffffffff, 0x00000000 },
4984 { 0x681c, 0, 0xffffffff, 0x00000000 },
4985 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4986 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4987 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4988 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4989 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4990 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4991 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4992 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4993 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4994 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4995 { 0x684c, 0, 0xffffffff, 0x00000000 },
4996 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4997 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4998 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4999 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5000 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5001 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5002
5003 { 0xffff, 0, 0x00000000, 0x00000000 },
5004 };
5005
5006 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005007 is_5709 = 0;
5008 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5009 is_5709 = 1;
5010
Michael Chanb6016b72005-05-26 13:03:09 -07005011 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5012 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005013 u16 flags = reg_tbl[i].flags;
5014
5015 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5016 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005017
5018 offset = (u32) reg_tbl[i].offset;
5019 rw_mask = reg_tbl[i].rw_mask;
5020 ro_mask = reg_tbl[i].ro_mask;
5021
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005022 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005023
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005024 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005025
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005026 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005027 if ((val & rw_mask) != 0) {
5028 goto reg_test_err;
5029 }
5030
5031 if ((val & ro_mask) != (save_val & ro_mask)) {
5032 goto reg_test_err;
5033 }
5034
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005035 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005036
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005037 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005038 if ((val & rw_mask) != rw_mask) {
5039 goto reg_test_err;
5040 }
5041
5042 if ((val & ro_mask) != (save_val & ro_mask)) {
5043 goto reg_test_err;
5044 }
5045
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005046 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005047 continue;
5048
5049reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005050 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005051 ret = -ENODEV;
5052 break;
5053 }
5054 return ret;
5055}
5056
5057static int
5058bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5059{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005060 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005061 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5062 int i;
5063
5064 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5065 u32 offset;
5066
5067 for (offset = 0; offset < size; offset += 4) {
5068
Michael Chan2726d6e2008-01-29 21:35:05 -08005069 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005070
Michael Chan2726d6e2008-01-29 21:35:05 -08005071 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005072 test_pattern[i]) {
5073 return -ENODEV;
5074 }
5075 }
5076 }
5077 return 0;
5078}
5079
5080static int
5081bnx2_test_memory(struct bnx2 *bp)
5082{
5083 int ret = 0;
5084 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005085 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005086 u32 offset;
5087 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005088 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005089 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005090 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005091 { 0xe0000, 0x4000 },
5092 { 0x120000, 0x4000 },
5093 { 0x1a0000, 0x4000 },
5094 { 0x160000, 0x4000 },
5095 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005096 },
5097 mem_tbl_5709[] = {
5098 { 0x60000, 0x4000 },
5099 { 0xa0000, 0x3000 },
5100 { 0xe0000, 0x4000 },
5101 { 0x120000, 0x4000 },
5102 { 0x1a0000, 0x4000 },
5103 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005104 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005105 struct mem_entry *mem_tbl;
5106
5107 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5108 mem_tbl = mem_tbl_5709;
5109 else
5110 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005111
5112 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5113 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5114 mem_tbl[i].len)) != 0) {
5115 return ret;
5116 }
5117 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005118
Michael Chanb6016b72005-05-26 13:03:09 -07005119 return ret;
5120}
5121
Michael Chanbc5a0692006-01-23 16:13:22 -08005122#define BNX2_MAC_LOOPBACK 0
5123#define BNX2_PHY_LOOPBACK 1
5124
Michael Chanb6016b72005-05-26 13:03:09 -07005125static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005126bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005127{
5128 unsigned int pkt_size, num_pkts, i;
5129 struct sk_buff *skb, *rx_skb;
5130 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005131 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005132 dma_addr_t map;
5133 struct tx_bd *txbd;
5134 struct sw_bd *rx_buf;
5135 struct l2_fhdr *rx_hdr;
5136 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005137 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5138
5139 tx_napi = bnapi;
David S. Millerf86e82f2008-01-21 17:15:40 -08005140 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanc76c0472007-12-20 20:01:19 -08005141 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
Michael Chanb6016b72005-05-26 13:03:09 -07005142
Michael Chanbc5a0692006-01-23 16:13:22 -08005143 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5144 bp->loopback = MAC_LOOPBACK;
5145 bnx2_set_mac_loopback(bp);
5146 }
5147 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005148 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005149 return 0;
5150
Michael Chan80be4432006-11-19 14:07:28 -08005151 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005152 bnx2_set_phy_loopback(bp);
5153 }
5154 else
5155 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005156
Michael Chan84eaa182007-12-12 11:19:57 -08005157 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005158 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005159 if (!skb)
5160 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005161 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005162 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005163 memset(packet + 6, 0x0, 8);
5164 for (i = 14; i < pkt_size; i++)
5165 packet[i] = (unsigned char) (i & 0xff);
5166
5167 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5168 PCI_DMA_TODEVICE);
5169
Michael Chanbf5295b2006-03-23 01:11:56 -08005170 REG_WR(bp, BNX2_HC_COMMAND,
5171 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5172
Michael Chanb6016b72005-05-26 13:03:09 -07005173 REG_RD(bp, BNX2_HC_COMMAND);
5174
5175 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005176 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005177
Michael Chanb6016b72005-05-26 13:03:09 -07005178 num_pkts = 0;
5179
Michael Chanbc5a0692006-01-23 16:13:22 -08005180 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005181
5182 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5183 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5184 txbd->tx_bd_mss_nbytes = pkt_size;
5185 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5186
5187 num_pkts++;
Michael Chanbc5a0692006-01-23 16:13:22 -08005188 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5189 bp->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005190
Michael Chan234754d2006-11-19 14:11:41 -08005191 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5192 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005193
5194 udelay(100);
5195
Michael Chanbf5295b2006-03-23 01:11:56 -08005196 REG_WR(bp, BNX2_HC_COMMAND,
5197 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5198
Michael Chanb6016b72005-05-26 13:03:09 -07005199 REG_RD(bp, BNX2_HC_COMMAND);
5200
5201 udelay(5);
5202
5203 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005204 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005205
Michael Chanc76c0472007-12-20 20:01:19 -08005206 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005207 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005208
Michael Chan35efa7c2007-12-20 19:56:37 -08005209 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005210 if (rx_idx != rx_start_idx + num_pkts) {
5211 goto loopback_test_done;
5212 }
5213
5214 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5215 rx_skb = rx_buf->skb;
5216
5217 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5218 skb_reserve(rx_skb, bp->rx_offset);
5219
5220 pci_dma_sync_single_for_cpu(bp->pdev,
5221 pci_unmap_addr(rx_buf, mapping),
5222 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5223
Michael Chanade2bfe2006-01-23 16:09:51 -08005224 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005225 (L2_FHDR_ERRORS_BAD_CRC |
5226 L2_FHDR_ERRORS_PHY_DECODE |
5227 L2_FHDR_ERRORS_ALIGNMENT |
5228 L2_FHDR_ERRORS_TOO_SHORT |
5229 L2_FHDR_ERRORS_GIANT_FRAME)) {
5230
5231 goto loopback_test_done;
5232 }
5233
5234 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5235 goto loopback_test_done;
5236 }
5237
5238 for (i = 14; i < pkt_size; i++) {
5239 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5240 goto loopback_test_done;
5241 }
5242 }
5243
5244 ret = 0;
5245
5246loopback_test_done:
5247 bp->loopback = 0;
5248 return ret;
5249}
5250
Michael Chanbc5a0692006-01-23 16:13:22 -08005251#define BNX2_MAC_LOOPBACK_FAILED 1
5252#define BNX2_PHY_LOOPBACK_FAILED 2
5253#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5254 BNX2_PHY_LOOPBACK_FAILED)
5255
5256static int
5257bnx2_test_loopback(struct bnx2 *bp)
5258{
5259 int rc = 0;
5260
5261 if (!netif_running(bp->dev))
5262 return BNX2_LOOPBACK_FAILED;
5263
5264 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5265 spin_lock_bh(&bp->phy_lock);
5266 bnx2_init_phy(bp);
5267 spin_unlock_bh(&bp->phy_lock);
5268 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5269 rc |= BNX2_MAC_LOOPBACK_FAILED;
5270 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5271 rc |= BNX2_PHY_LOOPBACK_FAILED;
5272 return rc;
5273}
5274
Michael Chanb6016b72005-05-26 13:03:09 -07005275#define NVRAM_SIZE 0x200
5276#define CRC32_RESIDUAL 0xdebb20e3
5277
5278static int
5279bnx2_test_nvram(struct bnx2 *bp)
5280{
Al Virob491edd2007-12-22 19:44:51 +00005281 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005282 u8 *data = (u8 *) buf;
5283 int rc = 0;
5284 u32 magic, csum;
5285
5286 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5287 goto test_nvram_done;
5288
5289 magic = be32_to_cpu(buf[0]);
5290 if (magic != 0x669955aa) {
5291 rc = -ENODEV;
5292 goto test_nvram_done;
5293 }
5294
5295 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5296 goto test_nvram_done;
5297
5298 csum = ether_crc_le(0x100, data);
5299 if (csum != CRC32_RESIDUAL) {
5300 rc = -ENODEV;
5301 goto test_nvram_done;
5302 }
5303
5304 csum = ether_crc_le(0x100, data + 0x100);
5305 if (csum != CRC32_RESIDUAL) {
5306 rc = -ENODEV;
5307 }
5308
5309test_nvram_done:
5310 return rc;
5311}
5312
5313static int
5314bnx2_test_link(struct bnx2 *bp)
5315{
5316 u32 bmsr;
5317
Michael Chan583c28e2008-01-21 19:51:35 -08005318 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005319 if (bp->link_up)
5320 return 0;
5321 return -ENODEV;
5322 }
Michael Chanc770a652005-08-25 15:38:39 -07005323 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005324 bnx2_enable_bmsr1(bp);
5325 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5326 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5327 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005328 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005329
Michael Chanb6016b72005-05-26 13:03:09 -07005330 if (bmsr & BMSR_LSTATUS) {
5331 return 0;
5332 }
5333 return -ENODEV;
5334}
5335
5336static int
5337bnx2_test_intr(struct bnx2 *bp)
5338{
5339 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005340 u16 status_idx;
5341
5342 if (!netif_running(bp->dev))
5343 return -ENODEV;
5344
5345 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5346
5347 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005348 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005349 REG_RD(bp, BNX2_HC_COMMAND);
5350
5351 for (i = 0; i < 10; i++) {
5352 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5353 status_idx) {
5354
5355 break;
5356 }
5357
5358 msleep_interruptible(10);
5359 }
5360 if (i < 10)
5361 return 0;
5362
5363 return -ENODEV;
5364}
5365
Michael Chan38ea3682008-02-23 19:48:57 -08005366/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005367static int
5368bnx2_5706_serdes_has_link(struct bnx2 *bp)
5369{
5370 u32 mode_ctl, an_dbg, exp;
5371
Michael Chan38ea3682008-02-23 19:48:57 -08005372 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5373 return 0;
5374
Michael Chanb2fadea2008-01-21 17:07:06 -08005375 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5376 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5377
5378 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5379 return 0;
5380
5381 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5383 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5384
Michael Chanf3014c02008-01-29 21:33:03 -08005385 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005386 return 0;
5387
5388 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5389 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5390 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5391
5392 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5393 return 0;
5394
5395 return 1;
5396}
5397
Michael Chanb6016b72005-05-26 13:03:09 -07005398static void
Michael Chan48b01e22006-11-19 14:08:00 -08005399bnx2_5706_serdes_timer(struct bnx2 *bp)
5400{
Michael Chanb2fadea2008-01-21 17:07:06 -08005401 int check_link = 1;
5402
Michael Chan48b01e22006-11-19 14:08:00 -08005403 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005404 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005405 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005406 check_link = 0;
5407 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005408 u32 bmcr;
5409
5410 bp->current_interval = bp->timer_interval;
5411
Michael Chanca58c3a2007-05-03 13:22:52 -07005412 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005413
5414 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005415 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005416 bmcr &= ~BMCR_ANENABLE;
5417 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005418 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005419 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005420 }
5421 }
5422 }
5423 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005424 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005425 u32 phy2;
5426
5427 bnx2_write_phy(bp, 0x17, 0x0f01);
5428 bnx2_read_phy(bp, 0x15, &phy2);
5429 if (phy2 & 0x20) {
5430 u32 bmcr;
5431
Michael Chanca58c3a2007-05-03 13:22:52 -07005432 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005433 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005434 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005435
Michael Chan583c28e2008-01-21 19:51:35 -08005436 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005437 }
5438 } else
5439 bp->current_interval = bp->timer_interval;
5440
Michael Chana2724e22008-02-23 19:47:44 -08005441 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005442 u32 val;
5443
5444 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5445 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5446 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5447
Michael Chana2724e22008-02-23 19:47:44 -08005448 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5449 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5450 bnx2_5706s_force_link_dn(bp, 1);
5451 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5452 } else
5453 bnx2_set_link(bp);
5454 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5455 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005456 }
Michael Chan48b01e22006-11-19 14:08:00 -08005457 spin_unlock(&bp->phy_lock);
5458}
5459
5460static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005461bnx2_5708_serdes_timer(struct bnx2 *bp)
5462{
Michael Chan583c28e2008-01-21 19:51:35 -08005463 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005464 return;
5465
Michael Chan583c28e2008-01-21 19:51:35 -08005466 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005467 bp->serdes_an_pending = 0;
5468 return;
5469 }
5470
5471 spin_lock(&bp->phy_lock);
5472 if (bp->serdes_an_pending)
5473 bp->serdes_an_pending--;
5474 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5475 u32 bmcr;
5476
Michael Chanca58c3a2007-05-03 13:22:52 -07005477 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005478 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005479 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005480 bp->current_interval = SERDES_FORCED_TIMEOUT;
5481 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005482 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005483 bp->serdes_an_pending = 2;
5484 bp->current_interval = bp->timer_interval;
5485 }
5486
5487 } else
5488 bp->current_interval = bp->timer_interval;
5489
5490 spin_unlock(&bp->phy_lock);
5491}
5492
5493static void
Michael Chanb6016b72005-05-26 13:03:09 -07005494bnx2_timer(unsigned long data)
5495{
5496 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005497
Michael Chancd339a02005-08-25 15:35:24 -07005498 if (!netif_running(bp->dev))
5499 return;
5500
Michael Chanb6016b72005-05-26 13:03:09 -07005501 if (atomic_read(&bp->intr_sem) != 0)
5502 goto bnx2_restart_timer;
5503
Michael Chandf149d72007-07-07 22:51:36 -07005504 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005505
Michael Chan2726d6e2008-01-29 21:35:05 -08005506 bp->stats_blk->stat_FwRxDrop =
5507 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005508
Michael Chan02537b062007-06-04 21:24:07 -07005509 /* workaround occasional corrupted counters */
5510 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5511 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5512 BNX2_HC_COMMAND_STATS_NOW);
5513
Michael Chan583c28e2008-01-21 19:51:35 -08005514 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005515 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5516 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005517 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005518 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005519 }
5520
5521bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005522 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005523}
5524
Michael Chan8e6a72c2007-05-03 13:24:48 -07005525static int
5526bnx2_request_irq(struct bnx2 *bp)
5527{
5528 struct net_device *dev = bp->dev;
Michael Chan6d866ff2007-12-20 19:56:09 -08005529 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005530 struct bnx2_irq *irq;
5531 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005532
David S. Millerf86e82f2008-01-21 17:15:40 -08005533 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005534 flags = 0;
5535 else
5536 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005537
5538 for (i = 0; i < bp->irq_nvecs; i++) {
5539 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005540 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanb4b36042007-12-20 19:59:30 -08005541 dev);
5542 if (rc)
5543 break;
5544 irq->requested = 1;
5545 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005546 return rc;
5547}
5548
5549static void
5550bnx2_free_irq(struct bnx2 *bp)
5551{
5552 struct net_device *dev = bp->dev;
Michael Chanb4b36042007-12-20 19:59:30 -08005553 struct bnx2_irq *irq;
5554 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005555
Michael Chanb4b36042007-12-20 19:59:30 -08005556 for (i = 0; i < bp->irq_nvecs; i++) {
5557 irq = &bp->irq_tbl[i];
5558 if (irq->requested)
5559 free_irq(irq->vector, dev);
5560 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005561 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005562 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005563 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005564 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005565 pci_disable_msix(bp->pdev);
5566
David S. Millerf86e82f2008-01-21 17:15:40 -08005567 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005568}
5569
5570static void
5571bnx2_enable_msix(struct bnx2 *bp)
5572{
Michael Chan57851d82007-12-20 20:01:44 -08005573 int i, rc;
5574 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5575
Michael Chanb4b36042007-12-20 19:59:30 -08005576 bnx2_setup_msix_tbl(bp);
5577 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5578 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5579 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005580
5581 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5582 msix_ent[i].entry = i;
5583 msix_ent[i].vector = 0;
5584 }
5585
5586 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5587 if (rc != 0)
5588 return;
5589
5590 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5591 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5592
5593 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5594 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5595 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5596 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5597
5598 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
David S. Millerf86e82f2008-01-21 17:15:40 -08005599 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005600 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5601 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005602}
5603
5604static void
5605bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5606{
5607 bp->irq_tbl[0].handler = bnx2_interrupt;
5608 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005609 bp->irq_nvecs = 1;
5610 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005611
David S. Millerf86e82f2008-01-21 17:15:40 -08005612 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chanb4b36042007-12-20 19:59:30 -08005613 bnx2_enable_msix(bp);
5614
David S. Millerf86e82f2008-01-21 17:15:40 -08005615 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5616 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005617 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005618 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005619 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005620 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005621 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5622 } else
5623 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005624
5625 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005626 }
5627 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005628}
5629
Michael Chanb6016b72005-05-26 13:03:09 -07005630/* Called with rtnl_lock */
5631static int
5632bnx2_open(struct net_device *dev)
5633{
Michael Chan972ec0d2006-01-23 16:12:43 -08005634 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005635 int rc;
5636
Michael Chan1b2f9222007-05-03 13:20:19 -07005637 netif_carrier_off(dev);
5638
Pavel Machek829ca9a2005-09-03 15:56:56 -07005639 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005640 bnx2_disable_int(bp);
5641
5642 rc = bnx2_alloc_mem(bp);
5643 if (rc)
5644 return rc;
5645
Michael Chan6d866ff2007-12-20 19:56:09 -08005646 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005647 bnx2_napi_enable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005648 rc = bnx2_request_irq(bp);
5649
Michael Chanb6016b72005-05-26 13:03:09 -07005650 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005651 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005652 bnx2_free_mem(bp);
5653 return rc;
5654 }
5655
5656 rc = bnx2_init_nic(bp);
5657
5658 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005659 bnx2_napi_disable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005660 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005661 bnx2_free_skbs(bp);
5662 bnx2_free_mem(bp);
5663 return rc;
5664 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005665
Michael Chancd339a02005-08-25 15:35:24 -07005666 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005667
5668 atomic_set(&bp->intr_sem, 0);
5669
5670 bnx2_enable_int(bp);
5671
David S. Millerf86e82f2008-01-21 17:15:40 -08005672 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005673 /* Test MSI to make sure it is working
5674 * If MSI test fails, go back to INTx mode
5675 */
5676 if (bnx2_test_intr(bp) != 0) {
5677 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5678 " using MSI, switching to INTx mode. Please"
5679 " report this failure to the PCI maintainer"
5680 " and include system chipset information.\n",
5681 bp->dev->name);
5682
5683 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005684 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005685
Michael Chan6d866ff2007-12-20 19:56:09 -08005686 bnx2_setup_int_mode(bp, 1);
5687
Michael Chanb6016b72005-05-26 13:03:09 -07005688 rc = bnx2_init_nic(bp);
5689
Michael Chan8e6a72c2007-05-03 13:24:48 -07005690 if (!rc)
5691 rc = bnx2_request_irq(bp);
5692
Michael Chanb6016b72005-05-26 13:03:09 -07005693 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005694 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005695 bnx2_free_skbs(bp);
5696 bnx2_free_mem(bp);
5697 del_timer_sync(&bp->timer);
5698 return rc;
5699 }
5700 bnx2_enable_int(bp);
5701 }
5702 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005703 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005704 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005705 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005706 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005707
5708 netif_start_queue(dev);
5709
5710 return 0;
5711}
5712
5713static void
David Howellsc4028952006-11-22 14:57:56 +00005714bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005715{
David Howellsc4028952006-11-22 14:57:56 +00005716 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005717
Michael Chanafdc08b2005-08-25 15:34:29 -07005718 if (!netif_running(bp->dev))
5719 return;
5720
5721 bp->in_reset_task = 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005722 bnx2_netif_stop(bp);
5723
5724 bnx2_init_nic(bp);
5725
5726 atomic_set(&bp->intr_sem, 1);
5727 bnx2_netif_start(bp);
Michael Chanafdc08b2005-08-25 15:34:29 -07005728 bp->in_reset_task = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005729}
5730
5731static void
5732bnx2_tx_timeout(struct net_device *dev)
5733{
Michael Chan972ec0d2006-01-23 16:12:43 -08005734 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005735
5736 /* This allows the netif to be shutdown gracefully before resetting */
5737 schedule_work(&bp->reset_task);
5738}
5739
5740#ifdef BCM_VLAN
5741/* Called with rtnl_lock */
5742static void
5743bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5744{
Michael Chan972ec0d2006-01-23 16:12:43 -08005745 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005746
5747 bnx2_netif_stop(bp);
5748
5749 bp->vlgrp = vlgrp;
5750 bnx2_set_rx_mode(dev);
5751
5752 bnx2_netif_start(bp);
5753}
Michael Chanb6016b72005-05-26 13:03:09 -07005754#endif
5755
Herbert Xu932ff272006-06-09 12:20:56 -07005756/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005757 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5758 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005759 */
5760static int
5761bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5762{
Michael Chan972ec0d2006-01-23 16:12:43 -08005763 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005764 dma_addr_t mapping;
5765 struct tx_bd *txbd;
5766 struct sw_bd *tx_buf;
5767 u32 len, vlan_tag_flags, last_frag, mss;
5768 u16 prod, ring_prod;
5769 int i;
Michael Chan57851d82007-12-20 20:01:44 -08005770 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07005771
Michael Chana550c992007-12-20 19:56:59 -08005772 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5773 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005774 netif_stop_queue(dev);
5775 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5776 dev->name);
5777
5778 return NETDEV_TX_BUSY;
5779 }
5780 len = skb_headlen(skb);
5781 prod = bp->tx_prod;
5782 ring_prod = TX_RING_IDX(prod);
5783
5784 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005785 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005786 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5787 }
5788
Al Viro79ea13c2008-01-24 02:06:46 -08005789 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005790 vlan_tag_flags |=
5791 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5792 }
Michael Chanfde82052007-05-03 17:23:35 -07005793 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005794 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005795 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005796
Michael Chanb6016b72005-05-26 13:03:09 -07005797 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5798
Michael Chan4666f872007-05-03 13:22:28 -07005799 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005800
Michael Chan4666f872007-05-03 13:22:28 -07005801 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5802 u32 tcp_off = skb_transport_offset(skb) -
5803 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005804
Michael Chan4666f872007-05-03 13:22:28 -07005805 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5806 TX_BD_FLAGS_SW_FLAGS;
5807 if (likely(tcp_off == 0))
5808 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5809 else {
5810 tcp_off >>= 3;
5811 vlan_tag_flags |= ((tcp_off & 0x3) <<
5812 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5813 ((tcp_off & 0x10) <<
5814 TX_BD_FLAGS_TCP6_OFF4_SHL);
5815 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5816 }
5817 } else {
5818 if (skb_header_cloned(skb) &&
5819 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5820 dev_kfree_skb(skb);
5821 return NETDEV_TX_OK;
5822 }
5823
5824 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5825
5826 iph = ip_hdr(skb);
5827 iph->check = 0;
5828 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5829 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5830 iph->daddr, 0,
5831 IPPROTO_TCP,
5832 0);
5833 if (tcp_opt_len || (iph->ihl > 5)) {
5834 vlan_tag_flags |= ((iph->ihl - 5) +
5835 (tcp_opt_len >> 2)) << 8;
5836 }
Michael Chanb6016b72005-05-26 13:03:09 -07005837 }
Michael Chan4666f872007-05-03 13:22:28 -07005838 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005839 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005840
5841 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005842
Michael Chanb6016b72005-05-26 13:03:09 -07005843 tx_buf = &bp->tx_buf_ring[ring_prod];
5844 tx_buf->skb = skb;
5845 pci_unmap_addr_set(tx_buf, mapping, mapping);
5846
5847 txbd = &bp->tx_desc_ring[ring_prod];
5848
5849 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5850 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5851 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5852 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5853
5854 last_frag = skb_shinfo(skb)->nr_frags;
5855
5856 for (i = 0; i < last_frag; i++) {
5857 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5858
5859 prod = NEXT_TX_BD(prod);
5860 ring_prod = TX_RING_IDX(prod);
5861 txbd = &bp->tx_desc_ring[ring_prod];
5862
5863 len = frag->size;
5864 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5865 len, PCI_DMA_TODEVICE);
5866 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5867 mapping, mapping);
5868
5869 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5870 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5871 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5872 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5873
5874 }
5875 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5876
5877 prod = NEXT_TX_BD(prod);
5878 bp->tx_prod_bseq += skb->len;
5879
Michael Chan234754d2006-11-19 14:11:41 -08005880 REG_WR16(bp, bp->tx_bidx_addr, prod);
5881 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005882
5883 mmiowb();
5884
5885 bp->tx_prod = prod;
5886 dev->trans_start = jiffies;
5887
Michael Chana550c992007-12-20 19:56:59 -08005888 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07005889 netif_stop_queue(dev);
Michael Chana550c992007-12-20 19:56:59 -08005890 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07005891 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005892 }
5893
5894 return NETDEV_TX_OK;
5895}
5896
5897/* Called with rtnl_lock */
5898static int
5899bnx2_close(struct net_device *dev)
5900{
Michael Chan972ec0d2006-01-23 16:12:43 -08005901 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005902 u32 reset_code;
5903
Michael Chanafdc08b2005-08-25 15:34:29 -07005904 /* Calling flush_scheduled_work() may deadlock because
5905 * linkwatch_event() may be on the workqueue and it will try to get
5906 * the rtnl_lock which we are holding.
5907 */
5908 while (bp->in_reset_task)
5909 msleep(1);
5910
Stephen Hemmingerbea33482007-10-03 16:41:36 -07005911 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08005912 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005913 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08005914 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07005915 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08005916 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07005917 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5918 else
5919 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5920 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005921 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005922 bnx2_free_skbs(bp);
5923 bnx2_free_mem(bp);
5924 bp->link_up = 0;
5925 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005926 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07005927 return 0;
5928}
5929
5930#define GET_NET_STATS64(ctr) \
5931 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5932 (unsigned long) (ctr##_lo)
5933
5934#define GET_NET_STATS32(ctr) \
5935 (ctr##_lo)
5936
5937#if (BITS_PER_LONG == 64)
5938#define GET_NET_STATS GET_NET_STATS64
5939#else
5940#define GET_NET_STATS GET_NET_STATS32
5941#endif
5942
5943static struct net_device_stats *
5944bnx2_get_stats(struct net_device *dev)
5945{
Michael Chan972ec0d2006-01-23 16:12:43 -08005946 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005947 struct statistics_block *stats_blk = bp->stats_blk;
5948 struct net_device_stats *net_stats = &bp->net_stats;
5949
5950 if (bp->stats_blk == NULL) {
5951 return net_stats;
5952 }
5953 net_stats->rx_packets =
5954 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5955 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5956 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5957
5958 net_stats->tx_packets =
5959 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5960 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5961 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5962
5963 net_stats->rx_bytes =
5964 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5965
5966 net_stats->tx_bytes =
5967 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5968
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005969 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07005970 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5971
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005972 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07005973 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5974
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005975 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005976 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5977 stats_blk->stat_EtherStatsOverrsizePkts);
5978
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005979 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005980 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5981
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005982 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005983 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5984
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005985 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005986 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5987
5988 net_stats->rx_errors = net_stats->rx_length_errors +
5989 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5990 net_stats->rx_crc_errors;
5991
5992 net_stats->tx_aborted_errors =
5993 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5994 stats_blk->stat_Dot3StatsLateCollisions);
5995
Michael Chan5b0c76a2005-11-04 08:45:49 -08005996 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5997 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005998 net_stats->tx_carrier_errors = 0;
5999 else {
6000 net_stats->tx_carrier_errors =
6001 (unsigned long)
6002 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6003 }
6004
6005 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006006 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006007 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6008 +
6009 net_stats->tx_aborted_errors +
6010 net_stats->tx_carrier_errors;
6011
Michael Chancea94db2006-06-12 22:16:13 -07006012 net_stats->rx_missed_errors =
6013 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6014 stats_blk->stat_FwRxDrop);
6015
Michael Chanb6016b72005-05-26 13:03:09 -07006016 return net_stats;
6017}
6018
6019/* All ethtool functions called with rtnl_lock */
6020
6021static int
6022bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6023{
Michael Chan972ec0d2006-01-23 16:12:43 -08006024 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006025 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006026
6027 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006028 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006029 support_serdes = 1;
6030 support_copper = 1;
6031 } else if (bp->phy_port == PORT_FIBRE)
6032 support_serdes = 1;
6033 else
6034 support_copper = 1;
6035
6036 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006037 cmd->supported |= SUPPORTED_1000baseT_Full |
6038 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006039 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006040 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006041
Michael Chanb6016b72005-05-26 13:03:09 -07006042 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006043 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006044 cmd->supported |= SUPPORTED_10baseT_Half |
6045 SUPPORTED_10baseT_Full |
6046 SUPPORTED_100baseT_Half |
6047 SUPPORTED_100baseT_Full |
6048 SUPPORTED_1000baseT_Full |
6049 SUPPORTED_TP;
6050
Michael Chanb6016b72005-05-26 13:03:09 -07006051 }
6052
Michael Chan7b6b8342007-07-07 22:50:15 -07006053 spin_lock_bh(&bp->phy_lock);
6054 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006055 cmd->advertising = bp->advertising;
6056
6057 if (bp->autoneg & AUTONEG_SPEED) {
6058 cmd->autoneg = AUTONEG_ENABLE;
6059 }
6060 else {
6061 cmd->autoneg = AUTONEG_DISABLE;
6062 }
6063
6064 if (netif_carrier_ok(dev)) {
6065 cmd->speed = bp->line_speed;
6066 cmd->duplex = bp->duplex;
6067 }
6068 else {
6069 cmd->speed = -1;
6070 cmd->duplex = -1;
6071 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006072 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006073
6074 cmd->transceiver = XCVR_INTERNAL;
6075 cmd->phy_address = bp->phy_addr;
6076
6077 return 0;
6078}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006079
Michael Chanb6016b72005-05-26 13:03:09 -07006080static int
6081bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6082{
Michael Chan972ec0d2006-01-23 16:12:43 -08006083 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006084 u8 autoneg = bp->autoneg;
6085 u8 req_duplex = bp->req_duplex;
6086 u16 req_line_speed = bp->req_line_speed;
6087 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006088 int err = -EINVAL;
6089
6090 spin_lock_bh(&bp->phy_lock);
6091
6092 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6093 goto err_out_unlock;
6094
Michael Chan583c28e2008-01-21 19:51:35 -08006095 if (cmd->port != bp->phy_port &&
6096 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006097 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006098
6099 if (cmd->autoneg == AUTONEG_ENABLE) {
6100 autoneg |= AUTONEG_SPEED;
6101
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006102 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006103
6104 /* allow advertising 1 speed */
6105 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6106 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6107 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6108 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6109
Michael Chan7b6b8342007-07-07 22:50:15 -07006110 if (cmd->port == PORT_FIBRE)
6111 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006112
6113 advertising = cmd->advertising;
6114
Michael Chan27a005b2007-05-03 13:23:41 -07006115 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006116 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006117 (cmd->port == PORT_TP))
6118 goto err_out_unlock;
6119 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006120 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006121 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6122 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006123 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006124 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006125 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006126 else
Michael Chanb6016b72005-05-26 13:03:09 -07006127 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006128 }
6129 advertising |= ADVERTISED_Autoneg;
6130 }
6131 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006132 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006133 if ((cmd->speed != SPEED_1000 &&
6134 cmd->speed != SPEED_2500) ||
6135 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006136 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006137
6138 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006139 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006140 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006141 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006142 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6143 goto err_out_unlock;
6144
Michael Chanb6016b72005-05-26 13:03:09 -07006145 autoneg &= ~AUTONEG_SPEED;
6146 req_line_speed = cmd->speed;
6147 req_duplex = cmd->duplex;
6148 advertising = 0;
6149 }
6150
6151 bp->autoneg = autoneg;
6152 bp->advertising = advertising;
6153 bp->req_line_speed = req_line_speed;
6154 bp->req_duplex = req_duplex;
6155
Michael Chan7b6b8342007-07-07 22:50:15 -07006156 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006157
Michael Chan7b6b8342007-07-07 22:50:15 -07006158err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006159 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006160
Michael Chan7b6b8342007-07-07 22:50:15 -07006161 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006162}
6163
6164static void
6165bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6166{
Michael Chan972ec0d2006-01-23 16:12:43 -08006167 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006168
6169 strcpy(info->driver, DRV_MODULE_NAME);
6170 strcpy(info->version, DRV_MODULE_VERSION);
6171 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006172 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006173}
6174
Michael Chan244ac4f2006-03-20 17:48:46 -08006175#define BNX2_REGDUMP_LEN (32 * 1024)
6176
6177static int
6178bnx2_get_regs_len(struct net_device *dev)
6179{
6180 return BNX2_REGDUMP_LEN;
6181}
6182
6183static void
6184bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6185{
6186 u32 *p = _p, i, offset;
6187 u8 *orig_p = _p;
6188 struct bnx2 *bp = netdev_priv(dev);
6189 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6190 0x0800, 0x0880, 0x0c00, 0x0c10,
6191 0x0c30, 0x0d08, 0x1000, 0x101c,
6192 0x1040, 0x1048, 0x1080, 0x10a4,
6193 0x1400, 0x1490, 0x1498, 0x14f0,
6194 0x1500, 0x155c, 0x1580, 0x15dc,
6195 0x1600, 0x1658, 0x1680, 0x16d8,
6196 0x1800, 0x1820, 0x1840, 0x1854,
6197 0x1880, 0x1894, 0x1900, 0x1984,
6198 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6199 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6200 0x2000, 0x2030, 0x23c0, 0x2400,
6201 0x2800, 0x2820, 0x2830, 0x2850,
6202 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6203 0x3c00, 0x3c94, 0x4000, 0x4010,
6204 0x4080, 0x4090, 0x43c0, 0x4458,
6205 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6206 0x4fc0, 0x5010, 0x53c0, 0x5444,
6207 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6208 0x5fc0, 0x6000, 0x6400, 0x6428,
6209 0x6800, 0x6848, 0x684c, 0x6860,
6210 0x6888, 0x6910, 0x8000 };
6211
6212 regs->version = 0;
6213
6214 memset(p, 0, BNX2_REGDUMP_LEN);
6215
6216 if (!netif_running(bp->dev))
6217 return;
6218
6219 i = 0;
6220 offset = reg_boundaries[0];
6221 p += offset;
6222 while (offset < BNX2_REGDUMP_LEN) {
6223 *p++ = REG_RD(bp, offset);
6224 offset += 4;
6225 if (offset == reg_boundaries[i + 1]) {
6226 offset = reg_boundaries[i + 2];
6227 p = (u32 *) (orig_p + offset);
6228 i += 2;
6229 }
6230 }
6231}
6232
Michael Chanb6016b72005-05-26 13:03:09 -07006233static void
6234bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6235{
Michael Chan972ec0d2006-01-23 16:12:43 -08006236 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006237
David S. Millerf86e82f2008-01-21 17:15:40 -08006238 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006239 wol->supported = 0;
6240 wol->wolopts = 0;
6241 }
6242 else {
6243 wol->supported = WAKE_MAGIC;
6244 if (bp->wol)
6245 wol->wolopts = WAKE_MAGIC;
6246 else
6247 wol->wolopts = 0;
6248 }
6249 memset(&wol->sopass, 0, sizeof(wol->sopass));
6250}
6251
6252static int
6253bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6254{
Michael Chan972ec0d2006-01-23 16:12:43 -08006255 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006256
6257 if (wol->wolopts & ~WAKE_MAGIC)
6258 return -EINVAL;
6259
6260 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006261 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006262 return -EINVAL;
6263
6264 bp->wol = 1;
6265 }
6266 else {
6267 bp->wol = 0;
6268 }
6269 return 0;
6270}
6271
6272static int
6273bnx2_nway_reset(struct net_device *dev)
6274{
Michael Chan972ec0d2006-01-23 16:12:43 -08006275 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006276 u32 bmcr;
6277
6278 if (!(bp->autoneg & AUTONEG_SPEED)) {
6279 return -EINVAL;
6280 }
6281
Michael Chanc770a652005-08-25 15:38:39 -07006282 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006283
Michael Chan583c28e2008-01-21 19:51:35 -08006284 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006285 int rc;
6286
6287 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6288 spin_unlock_bh(&bp->phy_lock);
6289 return rc;
6290 }
6291
Michael Chanb6016b72005-05-26 13:03:09 -07006292 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006293 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006294 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006295 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006296
6297 msleep(20);
6298
Michael Chanc770a652005-08-25 15:38:39 -07006299 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006300
6301 bp->current_interval = SERDES_AN_TIMEOUT;
6302 bp->serdes_an_pending = 1;
6303 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006304 }
6305
Michael Chanca58c3a2007-05-03 13:22:52 -07006306 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006307 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006308 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006309
Michael Chanc770a652005-08-25 15:38:39 -07006310 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006311
6312 return 0;
6313}
6314
6315static int
6316bnx2_get_eeprom_len(struct net_device *dev)
6317{
Michael Chan972ec0d2006-01-23 16:12:43 -08006318 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006319
Michael Chan1122db72006-01-23 16:11:42 -08006320 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006321 return 0;
6322
Michael Chan1122db72006-01-23 16:11:42 -08006323 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006324}
6325
6326static int
6327bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6328 u8 *eebuf)
6329{
Michael Chan972ec0d2006-01-23 16:12:43 -08006330 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006331 int rc;
6332
John W. Linville1064e942005-11-10 12:58:24 -08006333 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006334
6335 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6336
6337 return rc;
6338}
6339
6340static int
6341bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6342 u8 *eebuf)
6343{
Michael Chan972ec0d2006-01-23 16:12:43 -08006344 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006345 int rc;
6346
John W. Linville1064e942005-11-10 12:58:24 -08006347 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006348
6349 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6350
6351 return rc;
6352}
6353
6354static int
6355bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6356{
Michael Chan972ec0d2006-01-23 16:12:43 -08006357 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006358
6359 memset(coal, 0, sizeof(struct ethtool_coalesce));
6360
6361 coal->rx_coalesce_usecs = bp->rx_ticks;
6362 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6363 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6364 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6365
6366 coal->tx_coalesce_usecs = bp->tx_ticks;
6367 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6368 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6369 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6370
6371 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6372
6373 return 0;
6374}
6375
6376static int
6377bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6378{
Michael Chan972ec0d2006-01-23 16:12:43 -08006379 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006380
6381 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6382 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6383
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006384 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006385 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6386
6387 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6388 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6389
6390 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6391 if (bp->rx_quick_cons_trip_int > 0xff)
6392 bp->rx_quick_cons_trip_int = 0xff;
6393
6394 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6395 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6396
6397 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6398 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6399
6400 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6401 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6402
6403 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6404 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6405 0xff;
6406
6407 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006408 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6409 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6410 bp->stats_ticks = USEC_PER_SEC;
6411 }
Michael Chan7ea69202007-07-16 18:27:10 -07006412 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6413 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6414 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006415
6416 if (netif_running(bp->dev)) {
6417 bnx2_netif_stop(bp);
6418 bnx2_init_nic(bp);
6419 bnx2_netif_start(bp);
6420 }
6421
6422 return 0;
6423}
6424
6425static void
6426bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6427{
Michael Chan972ec0d2006-01-23 16:12:43 -08006428 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006429
Michael Chan13daffa2006-03-20 17:49:20 -08006430 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006431 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006432 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006433
6434 ering->rx_pending = bp->rx_ring_size;
6435 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006436 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006437
6438 ering->tx_max_pending = MAX_TX_DESC_CNT;
6439 ering->tx_pending = bp->tx_ring_size;
6440}
6441
6442static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006443bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006444{
Michael Chan13daffa2006-03-20 17:49:20 -08006445 if (netif_running(bp->dev)) {
6446 bnx2_netif_stop(bp);
6447 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6448 bnx2_free_skbs(bp);
6449 bnx2_free_mem(bp);
6450 }
6451
Michael Chan5d5d0012007-12-12 11:17:43 -08006452 bnx2_set_rx_ring_size(bp, rx);
6453 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006454
6455 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006456 int rc;
6457
6458 rc = bnx2_alloc_mem(bp);
6459 if (rc)
6460 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006461 bnx2_init_nic(bp);
6462 bnx2_netif_start(bp);
6463 }
Michael Chanb6016b72005-05-26 13:03:09 -07006464 return 0;
6465}
6466
Michael Chan5d5d0012007-12-12 11:17:43 -08006467static int
6468bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6469{
6470 struct bnx2 *bp = netdev_priv(dev);
6471 int rc;
6472
6473 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6474 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6475 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6476
6477 return -EINVAL;
6478 }
6479 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6480 return rc;
6481}
6482
Michael Chanb6016b72005-05-26 13:03:09 -07006483static void
6484bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6485{
Michael Chan972ec0d2006-01-23 16:12:43 -08006486 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006487
6488 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6489 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6490 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6491}
6492
6493static int
6494bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6495{
Michael Chan972ec0d2006-01-23 16:12:43 -08006496 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006497
6498 bp->req_flow_ctrl = 0;
6499 if (epause->rx_pause)
6500 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6501 if (epause->tx_pause)
6502 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6503
6504 if (epause->autoneg) {
6505 bp->autoneg |= AUTONEG_FLOW_CTRL;
6506 }
6507 else {
6508 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6509 }
6510
Michael Chanc770a652005-08-25 15:38:39 -07006511 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006512
Michael Chan0d8a6572007-07-07 22:49:43 -07006513 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006514
Michael Chanc770a652005-08-25 15:38:39 -07006515 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006516
6517 return 0;
6518}
6519
6520static u32
6521bnx2_get_rx_csum(struct net_device *dev)
6522{
Michael Chan972ec0d2006-01-23 16:12:43 -08006523 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006524
6525 return bp->rx_csum;
6526}
6527
6528static int
6529bnx2_set_rx_csum(struct net_device *dev, u32 data)
6530{
Michael Chan972ec0d2006-01-23 16:12:43 -08006531 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006532
6533 bp->rx_csum = data;
6534 return 0;
6535}
6536
Michael Chanb11d6212006-06-29 12:31:21 -07006537static int
6538bnx2_set_tso(struct net_device *dev, u32 data)
6539{
Michael Chan4666f872007-05-03 13:22:28 -07006540 struct bnx2 *bp = netdev_priv(dev);
6541
6542 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006543 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006544 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6545 dev->features |= NETIF_F_TSO6;
6546 } else
6547 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6548 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006549 return 0;
6550}
6551
Michael Chancea94db2006-06-12 22:16:13 -07006552#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006553
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006554static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006555 char string[ETH_GSTRING_LEN];
6556} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6557 { "rx_bytes" },
6558 { "rx_error_bytes" },
6559 { "tx_bytes" },
6560 { "tx_error_bytes" },
6561 { "rx_ucast_packets" },
6562 { "rx_mcast_packets" },
6563 { "rx_bcast_packets" },
6564 { "tx_ucast_packets" },
6565 { "tx_mcast_packets" },
6566 { "tx_bcast_packets" },
6567 { "tx_mac_errors" },
6568 { "tx_carrier_errors" },
6569 { "rx_crc_errors" },
6570 { "rx_align_errors" },
6571 { "tx_single_collisions" },
6572 { "tx_multi_collisions" },
6573 { "tx_deferred" },
6574 { "tx_excess_collisions" },
6575 { "tx_late_collisions" },
6576 { "tx_total_collisions" },
6577 { "rx_fragments" },
6578 { "rx_jabbers" },
6579 { "rx_undersize_packets" },
6580 { "rx_oversize_packets" },
6581 { "rx_64_byte_packets" },
6582 { "rx_65_to_127_byte_packets" },
6583 { "rx_128_to_255_byte_packets" },
6584 { "rx_256_to_511_byte_packets" },
6585 { "rx_512_to_1023_byte_packets" },
6586 { "rx_1024_to_1522_byte_packets" },
6587 { "rx_1523_to_9022_byte_packets" },
6588 { "tx_64_byte_packets" },
6589 { "tx_65_to_127_byte_packets" },
6590 { "tx_128_to_255_byte_packets" },
6591 { "tx_256_to_511_byte_packets" },
6592 { "tx_512_to_1023_byte_packets" },
6593 { "tx_1024_to_1522_byte_packets" },
6594 { "tx_1523_to_9022_byte_packets" },
6595 { "rx_xon_frames" },
6596 { "rx_xoff_frames" },
6597 { "tx_xon_frames" },
6598 { "tx_xoff_frames" },
6599 { "rx_mac_ctrl_frames" },
6600 { "rx_filtered_packets" },
6601 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006602 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006603};
6604
6605#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6606
Arjan van de Venf71e1302006-03-03 21:33:57 -05006607static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006608 STATS_OFFSET32(stat_IfHCInOctets_hi),
6609 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6610 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6611 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6612 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6613 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6614 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6615 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6616 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6617 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6618 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006619 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6620 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6621 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6622 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6623 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6624 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6625 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6626 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6627 STATS_OFFSET32(stat_EtherStatsCollisions),
6628 STATS_OFFSET32(stat_EtherStatsFragments),
6629 STATS_OFFSET32(stat_EtherStatsJabbers),
6630 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6631 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6632 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6633 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6634 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6635 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6636 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6637 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6638 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6639 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6640 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6641 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6642 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6643 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6644 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6645 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6646 STATS_OFFSET32(stat_XonPauseFramesReceived),
6647 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6648 STATS_OFFSET32(stat_OutXonSent),
6649 STATS_OFFSET32(stat_OutXoffSent),
6650 STATS_OFFSET32(stat_MacControlFramesReceived),
6651 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6652 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006653 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006654};
6655
6656/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6657 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006658 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006659static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006660 8,0,8,8,8,8,8,8,8,8,
6661 4,0,4,4,4,4,4,4,4,4,
6662 4,4,4,4,4,4,4,4,4,4,
6663 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006664 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006665};
6666
Michael Chan5b0c76a2005-11-04 08:45:49 -08006667static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6668 8,0,8,8,8,8,8,8,8,8,
6669 4,4,4,4,4,4,4,4,4,4,
6670 4,4,4,4,4,4,4,4,4,4,
6671 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006672 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006673};
6674
Michael Chanb6016b72005-05-26 13:03:09 -07006675#define BNX2_NUM_TESTS 6
6676
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006677static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006678 char string[ETH_GSTRING_LEN];
6679} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6680 { "register_test (offline)" },
6681 { "memory_test (offline)" },
6682 { "loopback_test (offline)" },
6683 { "nvram_test (online)" },
6684 { "interrupt_test (online)" },
6685 { "link_test (online)" },
6686};
6687
6688static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006689bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006690{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006691 switch (sset) {
6692 case ETH_SS_TEST:
6693 return BNX2_NUM_TESTS;
6694 case ETH_SS_STATS:
6695 return BNX2_NUM_STATS;
6696 default:
6697 return -EOPNOTSUPP;
6698 }
Michael Chanb6016b72005-05-26 13:03:09 -07006699}
6700
6701static void
6702bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6703{
Michael Chan972ec0d2006-01-23 16:12:43 -08006704 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006705
6706 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6707 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006708 int i;
6709
Michael Chanb6016b72005-05-26 13:03:09 -07006710 bnx2_netif_stop(bp);
6711 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6712 bnx2_free_skbs(bp);
6713
6714 if (bnx2_test_registers(bp) != 0) {
6715 buf[0] = 1;
6716 etest->flags |= ETH_TEST_FL_FAILED;
6717 }
6718 if (bnx2_test_memory(bp) != 0) {
6719 buf[1] = 1;
6720 etest->flags |= ETH_TEST_FL_FAILED;
6721 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006722 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006723 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006724
6725 if (!netif_running(bp->dev)) {
6726 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6727 }
6728 else {
6729 bnx2_init_nic(bp);
6730 bnx2_netif_start(bp);
6731 }
6732
6733 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006734 for (i = 0; i < 7; i++) {
6735 if (bp->link_up)
6736 break;
6737 msleep_interruptible(1000);
6738 }
Michael Chanb6016b72005-05-26 13:03:09 -07006739 }
6740
6741 if (bnx2_test_nvram(bp) != 0) {
6742 buf[3] = 1;
6743 etest->flags |= ETH_TEST_FL_FAILED;
6744 }
6745 if (bnx2_test_intr(bp) != 0) {
6746 buf[4] = 1;
6747 etest->flags |= ETH_TEST_FL_FAILED;
6748 }
6749
6750 if (bnx2_test_link(bp) != 0) {
6751 buf[5] = 1;
6752 etest->flags |= ETH_TEST_FL_FAILED;
6753
6754 }
6755}
6756
6757static void
6758bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6759{
6760 switch (stringset) {
6761 case ETH_SS_STATS:
6762 memcpy(buf, bnx2_stats_str_arr,
6763 sizeof(bnx2_stats_str_arr));
6764 break;
6765 case ETH_SS_TEST:
6766 memcpy(buf, bnx2_tests_str_arr,
6767 sizeof(bnx2_tests_str_arr));
6768 break;
6769 }
6770}
6771
Michael Chanb6016b72005-05-26 13:03:09 -07006772static void
6773bnx2_get_ethtool_stats(struct net_device *dev,
6774 struct ethtool_stats *stats, u64 *buf)
6775{
Michael Chan972ec0d2006-01-23 16:12:43 -08006776 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006777 int i;
6778 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006779 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006780
6781 if (hw_stats == NULL) {
6782 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6783 return;
6784 }
6785
Michael Chan5b0c76a2005-11-04 08:45:49 -08006786 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6787 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6788 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6789 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006790 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006791 else
6792 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006793
6794 for (i = 0; i < BNX2_NUM_STATS; i++) {
6795 if (stats_len_arr[i] == 0) {
6796 /* skip this counter */
6797 buf[i] = 0;
6798 continue;
6799 }
6800 if (stats_len_arr[i] == 4) {
6801 /* 4-byte counter */
6802 buf[i] = (u64)
6803 *(hw_stats + bnx2_stats_offset_arr[i]);
6804 continue;
6805 }
6806 /* 8-byte counter */
6807 buf[i] = (((u64) *(hw_stats +
6808 bnx2_stats_offset_arr[i])) << 32) +
6809 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6810 }
6811}
6812
6813static int
6814bnx2_phys_id(struct net_device *dev, u32 data)
6815{
Michael Chan972ec0d2006-01-23 16:12:43 -08006816 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006817 int i;
6818 u32 save;
6819
6820 if (data == 0)
6821 data = 2;
6822
6823 save = REG_RD(bp, BNX2_MISC_CFG);
6824 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6825
6826 for (i = 0; i < (data * 2); i++) {
6827 if ((i % 2) == 0) {
6828 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6829 }
6830 else {
6831 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6832 BNX2_EMAC_LED_1000MB_OVERRIDE |
6833 BNX2_EMAC_LED_100MB_OVERRIDE |
6834 BNX2_EMAC_LED_10MB_OVERRIDE |
6835 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6836 BNX2_EMAC_LED_TRAFFIC);
6837 }
6838 msleep_interruptible(500);
6839 if (signal_pending(current))
6840 break;
6841 }
6842 REG_WR(bp, BNX2_EMAC_LED, 0);
6843 REG_WR(bp, BNX2_MISC_CFG, save);
6844 return 0;
6845}
6846
Michael Chan4666f872007-05-03 13:22:28 -07006847static int
6848bnx2_set_tx_csum(struct net_device *dev, u32 data)
6849{
6850 struct bnx2 *bp = netdev_priv(dev);
6851
6852 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006853 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006854 else
6855 return (ethtool_op_set_tx_csum(dev, data));
6856}
6857
Jeff Garzik7282d492006-09-13 14:30:00 -04006858static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006859 .get_settings = bnx2_get_settings,
6860 .set_settings = bnx2_set_settings,
6861 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006862 .get_regs_len = bnx2_get_regs_len,
6863 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006864 .get_wol = bnx2_get_wol,
6865 .set_wol = bnx2_set_wol,
6866 .nway_reset = bnx2_nway_reset,
6867 .get_link = ethtool_op_get_link,
6868 .get_eeprom_len = bnx2_get_eeprom_len,
6869 .get_eeprom = bnx2_get_eeprom,
6870 .set_eeprom = bnx2_set_eeprom,
6871 .get_coalesce = bnx2_get_coalesce,
6872 .set_coalesce = bnx2_set_coalesce,
6873 .get_ringparam = bnx2_get_ringparam,
6874 .set_ringparam = bnx2_set_ringparam,
6875 .get_pauseparam = bnx2_get_pauseparam,
6876 .set_pauseparam = bnx2_set_pauseparam,
6877 .get_rx_csum = bnx2_get_rx_csum,
6878 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07006879 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07006880 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07006881 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07006882 .self_test = bnx2_self_test,
6883 .get_strings = bnx2_get_strings,
6884 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07006885 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006886 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07006887};
6888
6889/* Called with rtnl_lock */
6890static int
6891bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6892{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006893 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08006894 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006895 int err;
6896
6897 switch(cmd) {
6898 case SIOCGMIIPHY:
6899 data->phy_id = bp->phy_addr;
6900
6901 /* fallthru */
6902 case SIOCGMIIREG: {
6903 u32 mii_regval;
6904
Michael Chan583c28e2008-01-21 19:51:35 -08006905 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006906 return -EOPNOTSUPP;
6907
Michael Chandad3e452007-05-03 13:18:03 -07006908 if (!netif_running(dev))
6909 return -EAGAIN;
6910
Michael Chanc770a652005-08-25 15:38:39 -07006911 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006912 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07006913 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006914
6915 data->val_out = mii_regval;
6916
6917 return err;
6918 }
6919
6920 case SIOCSMIIREG:
6921 if (!capable(CAP_NET_ADMIN))
6922 return -EPERM;
6923
Michael Chan583c28e2008-01-21 19:51:35 -08006924 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006925 return -EOPNOTSUPP;
6926
Michael Chandad3e452007-05-03 13:18:03 -07006927 if (!netif_running(dev))
6928 return -EAGAIN;
6929
Michael Chanc770a652005-08-25 15:38:39 -07006930 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006931 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07006932 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006933
6934 return err;
6935
6936 default:
6937 /* do nothing */
6938 break;
6939 }
6940 return -EOPNOTSUPP;
6941}
6942
6943/* Called with rtnl_lock */
6944static int
6945bnx2_change_mac_addr(struct net_device *dev, void *p)
6946{
6947 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08006948 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006949
Michael Chan73eef4c2005-08-25 15:39:15 -07006950 if (!is_valid_ether_addr(addr->sa_data))
6951 return -EINVAL;
6952
Michael Chanb6016b72005-05-26 13:03:09 -07006953 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6954 if (netif_running(dev))
6955 bnx2_set_mac_addr(bp);
6956
6957 return 0;
6958}
6959
6960/* Called with rtnl_lock */
6961static int
6962bnx2_change_mtu(struct net_device *dev, int new_mtu)
6963{
Michael Chan972ec0d2006-01-23 16:12:43 -08006964 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006965
6966 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6967 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6968 return -EINVAL;
6969
6970 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08006971 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07006972}
6973
6974#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6975static void
6976poll_bnx2(struct net_device *dev)
6977{
Michael Chan972ec0d2006-01-23 16:12:43 -08006978 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006979
6980 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01006981 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006982 enable_irq(bp->pdev->irq);
6983}
6984#endif
6985
Michael Chan253c8b72007-01-08 19:56:01 -08006986static void __devinit
6987bnx2_get_5709_media(struct bnx2 *bp)
6988{
6989 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6990 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6991 u32 strap;
6992
6993 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6994 return;
6995 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08006996 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08006997 return;
6998 }
6999
7000 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7001 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7002 else
7003 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7004
7005 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7006 switch (strap) {
7007 case 0x4:
7008 case 0x5:
7009 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007010 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007011 return;
7012 }
7013 } else {
7014 switch (strap) {
7015 case 0x1:
7016 case 0x2:
7017 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007018 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007019 return;
7020 }
7021 }
7022}
7023
Michael Chan883e5152007-05-03 13:25:11 -07007024static void __devinit
7025bnx2_get_pci_speed(struct bnx2 *bp)
7026{
7027 u32 reg;
7028
7029 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7030 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7031 u32 clkreg;
7032
David S. Millerf86e82f2008-01-21 17:15:40 -08007033 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007034
7035 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7036
7037 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7038 switch (clkreg) {
7039 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7040 bp->bus_speed_mhz = 133;
7041 break;
7042
7043 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7044 bp->bus_speed_mhz = 100;
7045 break;
7046
7047 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7048 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7049 bp->bus_speed_mhz = 66;
7050 break;
7051
7052 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7053 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7054 bp->bus_speed_mhz = 50;
7055 break;
7056
7057 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7058 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7059 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7060 bp->bus_speed_mhz = 33;
7061 break;
7062 }
7063 }
7064 else {
7065 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7066 bp->bus_speed_mhz = 66;
7067 else
7068 bp->bus_speed_mhz = 33;
7069 }
7070
7071 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007072 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007073
7074}
7075
Michael Chanb6016b72005-05-26 13:03:09 -07007076static int __devinit
7077bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7078{
7079 struct bnx2 *bp;
7080 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007081 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007082 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007083 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007084
Michael Chanb6016b72005-05-26 13:03:09 -07007085 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007086 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007087
7088 bp->flags = 0;
7089 bp->phy_flags = 0;
7090
7091 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7092 rc = pci_enable_device(pdev);
7093 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007094 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007095 goto err_out;
7096 }
7097
7098 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007099 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007100 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007101 rc = -ENODEV;
7102 goto err_out_disable;
7103 }
7104
7105 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7106 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007107 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007108 goto err_out_disable;
7109 }
7110
7111 pci_set_master(pdev);
7112
7113 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7114 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007115 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007116 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007117 rc = -EIO;
7118 goto err_out_release;
7119 }
7120
Michael Chanb6016b72005-05-26 13:03:09 -07007121 bp->dev = dev;
7122 bp->pdev = pdev;
7123
7124 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007125 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007126 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007127
7128 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007129 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007130 dev->mem_end = dev->mem_start + mem_len;
7131 dev->irq = pdev->irq;
7132
7133 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7134
7135 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007136 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007137 rc = -ENOMEM;
7138 goto err_out_release;
7139 }
7140
7141 /* Configure byte swap and enable write to the reg_window registers.
7142 * Rely on CPU to do target byte swapping on big endian systems
7143 * The chip's target access swapping will not swap all accesses
7144 */
7145 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7146 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7147 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7148
Pavel Machek829ca9a2005-09-03 15:56:56 -07007149 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007150
7151 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7152
Michael Chan883e5152007-05-03 13:25:11 -07007153 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7154 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7155 dev_err(&pdev->dev,
7156 "Cannot find PCIE capability, aborting.\n");
7157 rc = -EIO;
7158 goto err_out_unmap;
7159 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007160 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007161 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007162 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007163 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007164 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7165 if (bp->pcix_cap == 0) {
7166 dev_err(&pdev->dev,
7167 "Cannot find PCIX capability, aborting.\n");
7168 rc = -EIO;
7169 goto err_out_unmap;
7170 }
7171 }
7172
Michael Chanb4b36042007-12-20 19:59:30 -08007173 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7174 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007175 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007176 }
7177
Michael Chan8e6a72c2007-05-03 13:24:48 -07007178 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7179 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007180 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007181 }
7182
Michael Chan40453c82007-05-03 13:19:18 -07007183 /* 5708 cannot support DMA addresses > 40-bit. */
7184 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7185 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7186 else
7187 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7188
7189 /* Configure DMA attributes. */
7190 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7191 dev->features |= NETIF_F_HIGHDMA;
7192 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7193 if (rc) {
7194 dev_err(&pdev->dev,
7195 "pci_set_consistent_dma_mask failed, aborting.\n");
7196 goto err_out_unmap;
7197 }
7198 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7199 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7200 goto err_out_unmap;
7201 }
7202
David S. Millerf86e82f2008-01-21 17:15:40 -08007203 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007204 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007205
7206 /* 5706A0 may falsely detect SERR and PERR. */
7207 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7208 reg = REG_RD(bp, PCI_COMMAND);
7209 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7210 REG_WR(bp, PCI_COMMAND, reg);
7211 }
7212 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007213 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007214
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007215 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007216 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007217 goto err_out_unmap;
7218 }
7219
7220 bnx2_init_nvram(bp);
7221
Michael Chan2726d6e2008-01-29 21:35:05 -08007222 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007223
7224 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007225 BNX2_SHM_HDR_SIGNATURE_SIG) {
7226 u32 off = PCI_FUNC(pdev->devfn) << 2;
7227
Michael Chan2726d6e2008-01-29 21:35:05 -08007228 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007229 } else
Michael Chane3648b32005-11-04 08:51:21 -08007230 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7231
Michael Chanb6016b72005-05-26 13:03:09 -07007232 /* Get the permanent MAC address. First we need to make sure the
7233 * firmware is actually running.
7234 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007235 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007236
7237 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7238 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007239 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007240 rc = -ENODEV;
7241 goto err_out_unmap;
7242 }
7243
Michael Chan2726d6e2008-01-29 21:35:05 -08007244 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007245 for (i = 0, j = 0; i < 3; i++) {
7246 u8 num, k, skip0;
7247
7248 num = (u8) (reg >> (24 - (i * 8)));
7249 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7250 if (num >= k || !skip0 || k == 1) {
7251 bp->fw_version[j++] = (num / k) + '0';
7252 skip0 = 0;
7253 }
7254 }
7255 if (i != 2)
7256 bp->fw_version[j++] = '.';
7257 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007258 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007259 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7260 bp->wol = 1;
7261
7262 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007263 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007264
7265 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007266 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007267 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7268 break;
7269 msleep(10);
7270 }
7271 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007272 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007273 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7274 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7275 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7276 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007277 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007278
7279 bp->fw_version[j++] = ' ';
7280 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007281 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007282 reg = swab32(reg);
7283 memcpy(&bp->fw_version[j], &reg, 4);
7284 j += 4;
7285 }
7286 }
Michael Chanb6016b72005-05-26 13:03:09 -07007287
Michael Chan2726d6e2008-01-29 21:35:05 -08007288 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007289 bp->mac_addr[0] = (u8) (reg >> 8);
7290 bp->mac_addr[1] = (u8) reg;
7291
Michael Chan2726d6e2008-01-29 21:35:05 -08007292 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007293 bp->mac_addr[2] = (u8) (reg >> 24);
7294 bp->mac_addr[3] = (u8) (reg >> 16);
7295 bp->mac_addr[4] = (u8) (reg >> 8);
7296 bp->mac_addr[5] = (u8) reg;
7297
Michael Chan5d5d0012007-12-12 11:17:43 -08007298 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7299
Michael Chanb6016b72005-05-26 13:03:09 -07007300 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007301 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007302
7303 bp->rx_csum = 1;
7304
Michael Chanb6016b72005-05-26 13:03:09 -07007305 bp->tx_quick_cons_trip_int = 20;
7306 bp->tx_quick_cons_trip = 20;
7307 bp->tx_ticks_int = 80;
7308 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007309
Michael Chanb6016b72005-05-26 13:03:09 -07007310 bp->rx_quick_cons_trip_int = 6;
7311 bp->rx_quick_cons_trip = 6;
7312 bp->rx_ticks_int = 18;
7313 bp->rx_ticks = 18;
7314
Michael Chan7ea69202007-07-16 18:27:10 -07007315 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007316
7317 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007318 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007319
Michael Chan5b0c76a2005-11-04 08:45:49 -08007320 bp->phy_addr = 1;
7321
Michael Chanb6016b72005-05-26 13:03:09 -07007322 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007323 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7324 bnx2_get_5709_media(bp);
7325 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007326 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007327
Michael Chan0d8a6572007-07-07 22:49:43 -07007328 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007329 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007330 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007331 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007332 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007333 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007334 bp->wol = 0;
7335 }
Michael Chan38ea3682008-02-23 19:48:57 -08007336 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7337 /* Don't do parallel detect on this board because of
7338 * some board problems. The link will not go down
7339 * if we do parallel detect.
7340 */
7341 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7342 pdev->subsystem_device == 0x310c)
7343 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7344 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007345 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007346 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007347 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007348 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007349 bnx2_init_remote_phy(bp);
7350
Michael Chan261dd5c2007-01-08 19:55:46 -08007351 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7352 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007353 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007354 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7355 (CHIP_REV(bp) == CHIP_REV_Ax ||
7356 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007357 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007358
Michael Chan16088272006-06-12 22:16:43 -07007359 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7360 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007361 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007362 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007363 bp->wol = 0;
7364 }
Michael Chandda1e392006-01-23 16:08:14 -08007365
Michael Chanb6016b72005-05-26 13:03:09 -07007366 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7367 bp->tx_quick_cons_trip_int =
7368 bp->tx_quick_cons_trip;
7369 bp->tx_ticks_int = bp->tx_ticks;
7370 bp->rx_quick_cons_trip_int =
7371 bp->rx_quick_cons_trip;
7372 bp->rx_ticks_int = bp->rx_ticks;
7373 bp->comp_prod_trip_int = bp->comp_prod_trip;
7374 bp->com_ticks_int = bp->com_ticks;
7375 bp->cmd_ticks_int = bp->cmd_ticks;
7376 }
7377
Michael Chanf9317a42006-09-29 17:06:23 -07007378 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7379 *
7380 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7381 * with byte enables disabled on the unused 32-bit word. This is legal
7382 * but causes problems on the AMD 8132 which will eventually stop
7383 * responding after a while.
7384 *
7385 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007386 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007387 */
7388 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7389 struct pci_dev *amd_8132 = NULL;
7390
7391 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7392 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7393 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007394
Auke Kok44c10132007-06-08 15:46:36 -07007395 if (amd_8132->revision >= 0x10 &&
7396 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007397 disable_msi = 1;
7398 pci_dev_put(amd_8132);
7399 break;
7400 }
7401 }
7402 }
7403
Michael Chandeaf3912007-07-07 22:48:00 -07007404 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007405 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7406
Michael Chancd339a02005-08-25 15:35:24 -07007407 init_timer(&bp->timer);
7408 bp->timer.expires = RUN_AT(bp->timer_interval);
7409 bp->timer.data = (unsigned long) bp;
7410 bp->timer.function = bnx2_timer;
7411
Michael Chanb6016b72005-05-26 13:03:09 -07007412 return 0;
7413
7414err_out_unmap:
7415 if (bp->regview) {
7416 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007417 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007418 }
7419
7420err_out_release:
7421 pci_release_regions(pdev);
7422
7423err_out_disable:
7424 pci_disable_device(pdev);
7425 pci_set_drvdata(pdev, NULL);
7426
7427err_out:
7428 return rc;
7429}
7430
Michael Chan883e5152007-05-03 13:25:11 -07007431static char * __devinit
7432bnx2_bus_string(struct bnx2 *bp, char *str)
7433{
7434 char *s = str;
7435
David S. Millerf86e82f2008-01-21 17:15:40 -08007436 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007437 s += sprintf(s, "PCI Express");
7438 } else {
7439 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007440 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007441 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007442 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007443 s += sprintf(s, " 32-bit");
7444 else
7445 s += sprintf(s, " 64-bit");
7446 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7447 }
7448 return str;
7449}
7450
Michael Chan2ba582b2007-12-21 15:04:49 -08007451static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007452bnx2_init_napi(struct bnx2 *bp)
7453{
Michael Chanb4b36042007-12-20 19:59:30 -08007454 int i;
7455 struct bnx2_napi *bnapi;
Michael Chan35efa7c2007-12-20 19:56:37 -08007456
Michael Chanb4b36042007-12-20 19:59:30 -08007457 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7458 bnapi = &bp->bnx2_napi[i];
7459 bnapi->bp = bp;
7460 }
7461 netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
Michael Chan57851d82007-12-20 20:01:44 -08007462 netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7463 64);
Michael Chan35efa7c2007-12-20 19:56:37 -08007464}
7465
7466static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007467bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7468{
7469 static int version_printed = 0;
7470 struct net_device *dev = NULL;
7471 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007472 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007473 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007474 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007475
7476 if (version_printed++ == 0)
7477 printk(KERN_INFO "%s", version);
7478
7479 /* dev zeroed in init_etherdev */
7480 dev = alloc_etherdev(sizeof(*bp));
7481
7482 if (!dev)
7483 return -ENOMEM;
7484
7485 rc = bnx2_init_board(pdev, dev);
7486 if (rc < 0) {
7487 free_netdev(dev);
7488 return rc;
7489 }
7490
7491 dev->open = bnx2_open;
7492 dev->hard_start_xmit = bnx2_start_xmit;
7493 dev->stop = bnx2_close;
7494 dev->get_stats = bnx2_get_stats;
7495 dev->set_multicast_list = bnx2_set_rx_mode;
7496 dev->do_ioctl = bnx2_ioctl;
7497 dev->set_mac_address = bnx2_change_mac_addr;
7498 dev->change_mtu = bnx2_change_mtu;
7499 dev->tx_timeout = bnx2_tx_timeout;
7500 dev->watchdog_timeo = TX_TIMEOUT;
7501#ifdef BCM_VLAN
7502 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007503#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007504 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007505
Michael Chan972ec0d2006-01-23 16:12:43 -08007506 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007507 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007508
7509#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7510 dev->poll_controller = poll_bnx2;
7511#endif
7512
Michael Chan1b2f9222007-05-03 13:20:19 -07007513 pci_set_drvdata(pdev, dev);
7514
7515 memcpy(dev->dev_addr, bp->mac_addr, 6);
7516 memcpy(dev->perm_addr, bp->mac_addr, 6);
7517 bp->name = board_info[ent->driver_data].name;
7518
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007519 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007520 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007521 dev->features |= NETIF_F_IPV6_CSUM;
7522
Michael Chan1b2f9222007-05-03 13:20:19 -07007523#ifdef BCM_VLAN
7524 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7525#endif
7526 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007527 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7528 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007529
Michael Chanb6016b72005-05-26 13:03:09 -07007530 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007531 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007532 if (bp->regview)
7533 iounmap(bp->regview);
7534 pci_release_regions(pdev);
7535 pci_disable_device(pdev);
7536 pci_set_drvdata(pdev, NULL);
7537 free_netdev(dev);
7538 return rc;
7539 }
7540
Michael Chan883e5152007-05-03 13:25:11 -07007541 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007542 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007543 dev->name,
7544 bp->name,
7545 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7546 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007547 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007548 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007549 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007550
Michael Chanb6016b72005-05-26 13:03:09 -07007551 return 0;
7552}
7553
7554static void __devexit
7555bnx2_remove_one(struct pci_dev *pdev)
7556{
7557 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007558 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007559
Michael Chanafdc08b2005-08-25 15:34:29 -07007560 flush_scheduled_work();
7561
Michael Chanb6016b72005-05-26 13:03:09 -07007562 unregister_netdev(dev);
7563
7564 if (bp->regview)
7565 iounmap(bp->regview);
7566
7567 free_netdev(dev);
7568 pci_release_regions(pdev);
7569 pci_disable_device(pdev);
7570 pci_set_drvdata(pdev, NULL);
7571}
7572
7573static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007574bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007575{
7576 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007577 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007578 u32 reset_code;
7579
Michael Chan6caebb02007-08-03 20:57:25 -07007580 /* PCI register 4 needs to be saved whether netif_running() or not.
7581 * MSI address and data need to be saved if using MSI and
7582 * netif_running().
7583 */
7584 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007585 if (!netif_running(dev))
7586 return 0;
7587
Michael Chan1d60290f2006-03-20 17:50:08 -08007588 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007589 bnx2_netif_stop(bp);
7590 netif_device_detach(dev);
7591 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007592 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007593 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007594 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007595 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7596 else
7597 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7598 bnx2_reset_chip(bp, reset_code);
7599 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007600 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007601 return 0;
7602}
7603
7604static int
7605bnx2_resume(struct pci_dev *pdev)
7606{
7607 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007608 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007609
Michael Chan6caebb02007-08-03 20:57:25 -07007610 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007611 if (!netif_running(dev))
7612 return 0;
7613
Pavel Machek829ca9a2005-09-03 15:56:56 -07007614 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007615 netif_device_attach(dev);
7616 bnx2_init_nic(bp);
7617 bnx2_netif_start(bp);
7618 return 0;
7619}
7620
7621static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007622 .name = DRV_MODULE_NAME,
7623 .id_table = bnx2_pci_tbl,
7624 .probe = bnx2_init_one,
7625 .remove = __devexit_p(bnx2_remove_one),
7626 .suspend = bnx2_suspend,
7627 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07007628};
7629
7630static int __init bnx2_init(void)
7631{
Jeff Garzik29917622006-08-19 17:48:59 -04007632 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007633}
7634
7635static void __exit bnx2_cleanup(void)
7636{
7637 pci_unregister_driver(&bnx2_pci_driver);
7638}
7639
7640module_init(bnx2_init);
7641module_exit(bnx2_cleanup);
7642
7643
7644