blob: 367b6d462708af2d8fe06050ac076844b3b54c1b [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 Chan705d2092008-05-02 16:58:18 -070059#define DRV_MODULE_VERSION "1.7.5"
60#define DRV_MODULE_RELDATE "April 29, 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
Michael Chand25be1d2008-05-02 16:57:59 -07003183 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3184 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3185 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3186 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3187 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3188 }
Michael Chanb6016b72005-05-26 13:03:09 -07003189
3190 for (i = 0; i < rv2p_code_len; i += 8) {
Al Virob491edd2007-12-22 19:44:51 +00003191 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003192 rv2p_code++;
Al Virob491edd2007-12-22 19:44:51 +00003193 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003194 rv2p_code++;
3195
3196 if (rv2p_proc == RV2P_PROC1) {
3197 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3198 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3199 }
3200 else {
3201 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3202 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3203 }
3204 }
3205
3206 /* Reset the processor, un-stall is done later. */
3207 if (rv2p_proc == RV2P_PROC1) {
3208 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3209 }
3210 else {
3211 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3212 }
3213}
3214
Michael Chanaf3ee512006-11-19 14:09:25 -08003215static int
Michael Chanb6016b72005-05-26 13:03:09 -07003216load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3217{
3218 u32 offset;
3219 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003220 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003221
3222 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003223 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003224 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003225 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3226 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003227
3228 /* Load the Text area. */
3229 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003230 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003231 int j;
3232
Michael Chanea1f8d52007-10-02 16:27:35 -07003233 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3234 fw->gz_text_len);
3235 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003236 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003237
Michael Chanb6016b72005-05-26 13:03:09 -07003238 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003239 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003240 }
3241 }
3242
3243 /* Load the Data area. */
3244 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3245 if (fw->data) {
3246 int j;
3247
3248 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003249 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003250 }
3251 }
3252
3253 /* Load the SBSS area. */
3254 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003255 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003256 int j;
3257
3258 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003259 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003260 }
3261 }
3262
3263 /* Load the BSS area. */
3264 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003265 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003266 int j;
3267
3268 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003269 bnx2_reg_wr_ind(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003270 }
3271 }
3272
3273 /* Load the Read-Only area. */
3274 offset = cpu_reg->spad_base +
3275 (fw->rodata_addr - cpu_reg->mips_view_base);
3276 if (fw->rodata) {
3277 int j;
3278
3279 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
Michael Chan2726d6e2008-01-29 21:35:05 -08003280 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
Michael Chanb6016b72005-05-26 13:03:09 -07003281 }
3282 }
3283
3284 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003285 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3286 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003287
3288 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003289 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003290 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003291 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3292 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003293
3294 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003295}
3296
Michael Chanfba9fe92006-06-12 22:21:25 -07003297static int
Michael Chanb6016b72005-05-26 13:03:09 -07003298bnx2_init_cpus(struct bnx2 *bp)
3299{
3300 struct cpu_reg cpu_reg;
Michael Chanaf3ee512006-11-19 14:09:25 -08003301 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003302 int rc, rv2p_len;
3303 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003304
3305 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003306 text = vmalloc(FW_BUF_SIZE);
3307 if (!text)
3308 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003309 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3310 rv2p = bnx2_xi_rv2p_proc1;
3311 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3312 } else {
3313 rv2p = bnx2_rv2p_proc1;
3314 rv2p_len = sizeof(bnx2_rv2p_proc1);
3315 }
3316 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003317 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003318 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003319
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003320 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003321
Michael Chan110d0ef2007-12-12 11:18:34 -08003322 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3323 rv2p = bnx2_xi_rv2p_proc2;
3324 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3325 } else {
3326 rv2p = bnx2_rv2p_proc2;
3327 rv2p_len = sizeof(bnx2_rv2p_proc2);
3328 }
3329 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003330 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003331 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003332
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003333 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003334
3335 /* Initialize the RX Processor. */
3336 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3337 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3338 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3339 cpu_reg.state = BNX2_RXP_CPU_STATE;
3340 cpu_reg.state_value_clear = 0xffffff;
3341 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3342 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3343 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3344 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3345 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3346 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3347 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003348
Michael Chand43584c2006-11-19 14:14:35 -08003349 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3350 fw = &bnx2_rxp_fw_09;
3351 else
3352 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003353
Michael Chanea1f8d52007-10-02 16:27:35 -07003354 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003355 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003356 if (rc)
3357 goto init_cpu_err;
3358
Michael Chanb6016b72005-05-26 13:03:09 -07003359 /* Initialize the TX Processor. */
3360 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3361 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3362 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3363 cpu_reg.state = BNX2_TXP_CPU_STATE;
3364 cpu_reg.state_value_clear = 0xffffff;
3365 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3366 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3367 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3368 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3369 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3370 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3371 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003372
Michael Chand43584c2006-11-19 14:14:35 -08003373 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3374 fw = &bnx2_txp_fw_09;
3375 else
3376 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003377
Michael Chanea1f8d52007-10-02 16:27:35 -07003378 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003379 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003380 if (rc)
3381 goto init_cpu_err;
3382
Michael Chanb6016b72005-05-26 13:03:09 -07003383 /* Initialize the TX Patch-up Processor. */
3384 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3385 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3386 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3387 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3388 cpu_reg.state_value_clear = 0xffffff;
3389 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3390 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3391 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3392 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3393 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3394 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3395 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003396
Michael Chand43584c2006-11-19 14:14:35 -08003397 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3398 fw = &bnx2_tpat_fw_09;
3399 else
3400 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003401
Michael Chanea1f8d52007-10-02 16:27:35 -07003402 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003403 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003404 if (rc)
3405 goto init_cpu_err;
3406
Michael Chanb6016b72005-05-26 13:03:09 -07003407 /* Initialize the Completion Processor. */
3408 cpu_reg.mode = BNX2_COM_CPU_MODE;
3409 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3410 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3411 cpu_reg.state = BNX2_COM_CPU_STATE;
3412 cpu_reg.state_value_clear = 0xffffff;
3413 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3414 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3415 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3416 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3417 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3418 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3419 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003420
Michael Chand43584c2006-11-19 14:14:35 -08003421 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3422 fw = &bnx2_com_fw_09;
3423 else
3424 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003425
Michael Chanea1f8d52007-10-02 16:27:35 -07003426 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003427 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003428 if (rc)
3429 goto init_cpu_err;
3430
Michael Chand43584c2006-11-19 14:14:35 -08003431 /* Initialize the Command Processor. */
3432 cpu_reg.mode = BNX2_CP_CPU_MODE;
3433 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3434 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3435 cpu_reg.state = BNX2_CP_CPU_STATE;
3436 cpu_reg.state_value_clear = 0xffffff;
3437 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3438 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3439 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3440 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3441 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3442 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3443 cpu_reg.mips_view_base = 0x8000000;
Michael Chanb6016b72005-05-26 13:03:09 -07003444
Michael Chan110d0ef2007-12-12 11:18:34 -08003445 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003446 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003447 else
3448 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003449
Michael Chan110d0ef2007-12-12 11:18:34 -08003450 fw->text = text;
3451 rc = load_cpu_fw(bp, &cpu_reg, fw);
3452
Michael Chanfba9fe92006-06-12 22:21:25 -07003453init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003454 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003455 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003456}
3457
3458static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003459bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003460{
3461 u16 pmcsr;
3462
3463 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3464
3465 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003466 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003467 u32 val;
3468
3469 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3470 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3471 PCI_PM_CTRL_PME_STATUS);
3472
3473 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3474 /* delay required during transition out of D3hot */
3475 msleep(20);
3476
3477 val = REG_RD(bp, BNX2_EMAC_MODE);
3478 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3479 val &= ~BNX2_EMAC_MODE_MPKT;
3480 REG_WR(bp, BNX2_EMAC_MODE, val);
3481
3482 val = REG_RD(bp, BNX2_RPM_CONFIG);
3483 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3484 REG_WR(bp, BNX2_RPM_CONFIG, val);
3485 break;
3486 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003487 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003488 int i;
3489 u32 val, wol_msg;
3490
3491 if (bp->wol) {
3492 u32 advertising;
3493 u8 autoneg;
3494
3495 autoneg = bp->autoneg;
3496 advertising = bp->advertising;
3497
Michael Chan239cd342007-10-17 19:26:15 -07003498 if (bp->phy_port == PORT_TP) {
3499 bp->autoneg = AUTONEG_SPEED;
3500 bp->advertising = ADVERTISED_10baseT_Half |
3501 ADVERTISED_10baseT_Full |
3502 ADVERTISED_100baseT_Half |
3503 ADVERTISED_100baseT_Full |
3504 ADVERTISED_Autoneg;
3505 }
Michael Chanb6016b72005-05-26 13:03:09 -07003506
Michael Chan239cd342007-10-17 19:26:15 -07003507 spin_lock_bh(&bp->phy_lock);
3508 bnx2_setup_phy(bp, bp->phy_port);
3509 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003510
3511 bp->autoneg = autoneg;
3512 bp->advertising = advertising;
3513
3514 bnx2_set_mac_addr(bp);
3515
3516 val = REG_RD(bp, BNX2_EMAC_MODE);
3517
3518 /* Enable port mode. */
3519 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003520 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003521 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003522 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003523 if (bp->phy_port == PORT_TP)
3524 val |= BNX2_EMAC_MODE_PORT_MII;
3525 else {
3526 val |= BNX2_EMAC_MODE_PORT_GMII;
3527 if (bp->line_speed == SPEED_2500)
3528 val |= BNX2_EMAC_MODE_25G_MODE;
3529 }
Michael Chanb6016b72005-05-26 13:03:09 -07003530
3531 REG_WR(bp, BNX2_EMAC_MODE, val);
3532
3533 /* receive all multicast */
3534 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3535 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3536 0xffffffff);
3537 }
3538 REG_WR(bp, BNX2_EMAC_RX_MODE,
3539 BNX2_EMAC_RX_MODE_SORT_MODE);
3540
3541 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3542 BNX2_RPM_SORT_USER0_MC_EN;
3543 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3544 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3545 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3546 BNX2_RPM_SORT_USER0_ENA);
3547
3548 /* Need to enable EMAC and RPM for WOL. */
3549 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3550 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3551 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3552 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3553
3554 val = REG_RD(bp, BNX2_RPM_CONFIG);
3555 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3556 REG_WR(bp, BNX2_RPM_CONFIG, val);
3557
3558 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3559 }
3560 else {
3561 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3562 }
3563
David S. Millerf86e82f2008-01-21 17:15:40 -08003564 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chandda1e392006-01-23 16:08:14 -08003565 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003566
3567 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3568 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3569 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3570
3571 if (bp->wol)
3572 pmcsr |= 3;
3573 }
3574 else {
3575 pmcsr |= 3;
3576 }
3577 if (bp->wol) {
3578 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3579 }
3580 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3581 pmcsr);
3582
3583 /* No more memory access after this point until
3584 * device is brought back to D0.
3585 */
3586 udelay(50);
3587 break;
3588 }
3589 default:
3590 return -EINVAL;
3591 }
3592 return 0;
3593}
3594
3595static int
3596bnx2_acquire_nvram_lock(struct bnx2 *bp)
3597{
3598 u32 val;
3599 int j;
3600
3601 /* Request access to the flash interface. */
3602 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3603 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3604 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3605 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3606 break;
3607
3608 udelay(5);
3609 }
3610
3611 if (j >= NVRAM_TIMEOUT_COUNT)
3612 return -EBUSY;
3613
3614 return 0;
3615}
3616
3617static int
3618bnx2_release_nvram_lock(struct bnx2 *bp)
3619{
3620 int j;
3621 u32 val;
3622
3623 /* Relinquish nvram interface. */
3624 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3625
3626 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3627 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3628 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3629 break;
3630
3631 udelay(5);
3632 }
3633
3634 if (j >= NVRAM_TIMEOUT_COUNT)
3635 return -EBUSY;
3636
3637 return 0;
3638}
3639
3640
3641static int
3642bnx2_enable_nvram_write(struct bnx2 *bp)
3643{
3644 u32 val;
3645
3646 val = REG_RD(bp, BNX2_MISC_CFG);
3647 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3648
Michael Chane30372c2007-07-16 18:26:23 -07003649 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003650 int j;
3651
3652 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3653 REG_WR(bp, BNX2_NVM_COMMAND,
3654 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3655
3656 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3657 udelay(5);
3658
3659 val = REG_RD(bp, BNX2_NVM_COMMAND);
3660 if (val & BNX2_NVM_COMMAND_DONE)
3661 break;
3662 }
3663
3664 if (j >= NVRAM_TIMEOUT_COUNT)
3665 return -EBUSY;
3666 }
3667 return 0;
3668}
3669
3670static void
3671bnx2_disable_nvram_write(struct bnx2 *bp)
3672{
3673 u32 val;
3674
3675 val = REG_RD(bp, BNX2_MISC_CFG);
3676 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3677}
3678
3679
3680static void
3681bnx2_enable_nvram_access(struct bnx2 *bp)
3682{
3683 u32 val;
3684
3685 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3686 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003687 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003688 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3689}
3690
3691static void
3692bnx2_disable_nvram_access(struct bnx2 *bp)
3693{
3694 u32 val;
3695
3696 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3697 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003698 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003699 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3700 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3701}
3702
3703static int
3704bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3705{
3706 u32 cmd;
3707 int j;
3708
Michael Chane30372c2007-07-16 18:26:23 -07003709 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003710 /* Buffered flash, no erase needed */
3711 return 0;
3712
3713 /* Build an erase command */
3714 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3715 BNX2_NVM_COMMAND_DOIT;
3716
3717 /* Need to clear DONE bit separately. */
3718 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3719
3720 /* Address of the NVRAM to read from. */
3721 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3722
3723 /* Issue an erase command. */
3724 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3725
3726 /* Wait for completion. */
3727 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3728 u32 val;
3729
3730 udelay(5);
3731
3732 val = REG_RD(bp, BNX2_NVM_COMMAND);
3733 if (val & BNX2_NVM_COMMAND_DONE)
3734 break;
3735 }
3736
3737 if (j >= NVRAM_TIMEOUT_COUNT)
3738 return -EBUSY;
3739
3740 return 0;
3741}
3742
3743static int
3744bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3745{
3746 u32 cmd;
3747 int j;
3748
3749 /* Build the command word. */
3750 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3751
Michael Chane30372c2007-07-16 18:26:23 -07003752 /* Calculate an offset of a buffered flash, not needed for 5709. */
3753 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003754 offset = ((offset / bp->flash_info->page_size) <<
3755 bp->flash_info->page_bits) +
3756 (offset % bp->flash_info->page_size);
3757 }
3758
3759 /* Need to clear DONE bit separately. */
3760 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3761
3762 /* Address of the NVRAM to read from. */
3763 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3764
3765 /* Issue a read command. */
3766 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3767
3768 /* Wait for completion. */
3769 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3770 u32 val;
3771
3772 udelay(5);
3773
3774 val = REG_RD(bp, BNX2_NVM_COMMAND);
3775 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00003776 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3777 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003778 break;
3779 }
3780 }
3781 if (j >= NVRAM_TIMEOUT_COUNT)
3782 return -EBUSY;
3783
3784 return 0;
3785}
3786
3787
3788static int
3789bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3790{
Al Virob491edd2007-12-22 19:44:51 +00003791 u32 cmd;
3792 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07003793 int j;
3794
3795 /* Build the command word. */
3796 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3797
Michael Chane30372c2007-07-16 18:26:23 -07003798 /* Calculate an offset of a buffered flash, not needed for 5709. */
3799 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003800 offset = ((offset / bp->flash_info->page_size) <<
3801 bp->flash_info->page_bits) +
3802 (offset % bp->flash_info->page_size);
3803 }
3804
3805 /* Need to clear DONE bit separately. */
3806 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3807
3808 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003809
3810 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00003811 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07003812
3813 /* Address of the NVRAM to write to. */
3814 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3815
3816 /* Issue the write command. */
3817 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3818
3819 /* Wait for completion. */
3820 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3821 udelay(5);
3822
3823 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3824 break;
3825 }
3826 if (j >= NVRAM_TIMEOUT_COUNT)
3827 return -EBUSY;
3828
3829 return 0;
3830}
3831
3832static int
3833bnx2_init_nvram(struct bnx2 *bp)
3834{
3835 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003836 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003837 struct flash_spec *flash;
3838
Michael Chane30372c2007-07-16 18:26:23 -07003839 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3840 bp->flash_info = &flash_5709;
3841 goto get_flash_size;
3842 }
3843
Michael Chanb6016b72005-05-26 13:03:09 -07003844 /* Determine the selected interface. */
3845 val = REG_RD(bp, BNX2_NVM_CFG1);
3846
Denis Chengff8ac602007-09-02 18:30:18 +08003847 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003848
Michael Chanb6016b72005-05-26 13:03:09 -07003849 if (val & 0x40000000) {
3850
3851 /* Flash interface has been reconfigured */
3852 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003853 j++, flash++) {
3854 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3855 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003856 bp->flash_info = flash;
3857 break;
3858 }
3859 }
3860 }
3861 else {
Michael Chan37137702005-11-04 08:49:17 -08003862 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003863 /* Not yet been reconfigured */
3864
Michael Chan37137702005-11-04 08:49:17 -08003865 if (val & (1 << 23))
3866 mask = FLASH_BACKUP_STRAP_MASK;
3867 else
3868 mask = FLASH_STRAP_MASK;
3869
Michael Chanb6016b72005-05-26 13:03:09 -07003870 for (j = 0, flash = &flash_table[0]; j < entry_count;
3871 j++, flash++) {
3872
Michael Chan37137702005-11-04 08:49:17 -08003873 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003874 bp->flash_info = flash;
3875
3876 /* Request access to the flash interface. */
3877 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3878 return rc;
3879
3880 /* Enable access to flash interface */
3881 bnx2_enable_nvram_access(bp);
3882
3883 /* Reconfigure the flash interface */
3884 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3885 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3886 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3887 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3888
3889 /* Disable access to flash interface */
3890 bnx2_disable_nvram_access(bp);
3891 bnx2_release_nvram_lock(bp);
3892
3893 break;
3894 }
3895 }
3896 } /* if (val & 0x40000000) */
3897
3898 if (j == entry_count) {
3899 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003900 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003901 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003902 }
3903
Michael Chane30372c2007-07-16 18:26:23 -07003904get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08003905 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08003906 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3907 if (val)
3908 bp->flash_size = val;
3909 else
3910 bp->flash_size = bp->flash_info->total_size;
3911
Michael Chanb6016b72005-05-26 13:03:09 -07003912 return rc;
3913}
3914
3915static int
3916bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3917 int buf_size)
3918{
3919 int rc = 0;
3920 u32 cmd_flags, offset32, len32, extra;
3921
3922 if (buf_size == 0)
3923 return 0;
3924
3925 /* Request access to the flash interface. */
3926 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3927 return rc;
3928
3929 /* Enable access to flash interface */
3930 bnx2_enable_nvram_access(bp);
3931
3932 len32 = buf_size;
3933 offset32 = offset;
3934 extra = 0;
3935
3936 cmd_flags = 0;
3937
3938 if (offset32 & 3) {
3939 u8 buf[4];
3940 u32 pre_len;
3941
3942 offset32 &= ~3;
3943 pre_len = 4 - (offset & 3);
3944
3945 if (pre_len >= len32) {
3946 pre_len = len32;
3947 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3948 BNX2_NVM_COMMAND_LAST;
3949 }
3950 else {
3951 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3952 }
3953
3954 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3955
3956 if (rc)
3957 return rc;
3958
3959 memcpy(ret_buf, buf + (offset & 3), pre_len);
3960
3961 offset32 += 4;
3962 ret_buf += pre_len;
3963 len32 -= pre_len;
3964 }
3965 if (len32 & 3) {
3966 extra = 4 - (len32 & 3);
3967 len32 = (len32 + 4) & ~3;
3968 }
3969
3970 if (len32 == 4) {
3971 u8 buf[4];
3972
3973 if (cmd_flags)
3974 cmd_flags = BNX2_NVM_COMMAND_LAST;
3975 else
3976 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3977 BNX2_NVM_COMMAND_LAST;
3978
3979 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3980
3981 memcpy(ret_buf, buf, 4 - extra);
3982 }
3983 else if (len32 > 0) {
3984 u8 buf[4];
3985
3986 /* Read the first word. */
3987 if (cmd_flags)
3988 cmd_flags = 0;
3989 else
3990 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3991
3992 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3993
3994 /* Advance to the next dword. */
3995 offset32 += 4;
3996 ret_buf += 4;
3997 len32 -= 4;
3998
3999 while (len32 > 4 && rc == 0) {
4000 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4001
4002 /* Advance to the next dword. */
4003 offset32 += 4;
4004 ret_buf += 4;
4005 len32 -= 4;
4006 }
4007
4008 if (rc)
4009 return rc;
4010
4011 cmd_flags = BNX2_NVM_COMMAND_LAST;
4012 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4013
4014 memcpy(ret_buf, buf, 4 - extra);
4015 }
4016
4017 /* Disable access to flash interface */
4018 bnx2_disable_nvram_access(bp);
4019
4020 bnx2_release_nvram_lock(bp);
4021
4022 return rc;
4023}
4024
4025static int
4026bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4027 int buf_size)
4028{
4029 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004030 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004031 int rc = 0;
4032 int align_start, align_end;
4033
4034 buf = data_buf;
4035 offset32 = offset;
4036 len32 = buf_size;
4037 align_start = align_end = 0;
4038
4039 if ((align_start = (offset32 & 3))) {
4040 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004041 len32 += align_start;
4042 if (len32 < 4)
4043 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004044 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4045 return rc;
4046 }
4047
4048 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004049 align_end = 4 - (len32 & 3);
4050 len32 += align_end;
4051 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4052 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004053 }
4054
4055 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004056 align_buf = kmalloc(len32, GFP_KERNEL);
4057 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004058 return -ENOMEM;
4059 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004060 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004061 }
4062 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004063 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004064 }
Michael Chane6be7632007-01-08 19:56:13 -08004065 memcpy(align_buf + align_start, data_buf, buf_size);
4066 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004067 }
4068
Michael Chane30372c2007-07-16 18:26:23 -07004069 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004070 flash_buffer = kmalloc(264, GFP_KERNEL);
4071 if (flash_buffer == NULL) {
4072 rc = -ENOMEM;
4073 goto nvram_write_end;
4074 }
4075 }
4076
Michael Chanb6016b72005-05-26 13:03:09 -07004077 written = 0;
4078 while ((written < len32) && (rc == 0)) {
4079 u32 page_start, page_end, data_start, data_end;
4080 u32 addr, cmd_flags;
4081 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004082
4083 /* Find the page_start addr */
4084 page_start = offset32 + written;
4085 page_start -= (page_start % bp->flash_info->page_size);
4086 /* Find the page_end addr */
4087 page_end = page_start + bp->flash_info->page_size;
4088 /* Find the data_start addr */
4089 data_start = (written == 0) ? offset32 : page_start;
4090 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004091 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004092 (offset32 + len32) : page_end;
4093
4094 /* Request access to the flash interface. */
4095 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4096 goto nvram_write_end;
4097
4098 /* Enable access to flash interface */
4099 bnx2_enable_nvram_access(bp);
4100
4101 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004102 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004103 int j;
4104
4105 /* Read the whole page into the buffer
4106 * (non-buffer flash only) */
4107 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4108 if (j == (bp->flash_info->page_size - 4)) {
4109 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4110 }
4111 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004112 page_start + j,
4113 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004114 cmd_flags);
4115
4116 if (rc)
4117 goto nvram_write_end;
4118
4119 cmd_flags = 0;
4120 }
4121 }
4122
4123 /* Enable writes to flash interface (unlock write-protect) */
4124 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4125 goto nvram_write_end;
4126
Michael Chanb6016b72005-05-26 13:03:09 -07004127 /* Loop to write back the buffer data from page_start to
4128 * data_start */
4129 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004130 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004131 /* Erase the page */
4132 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4133 goto nvram_write_end;
4134
4135 /* Re-enable the write again for the actual write */
4136 bnx2_enable_nvram_write(bp);
4137
Michael Chanb6016b72005-05-26 13:03:09 -07004138 for (addr = page_start; addr < data_start;
4139 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004140
Michael Chanb6016b72005-05-26 13:03:09 -07004141 rc = bnx2_nvram_write_dword(bp, addr,
4142 &flash_buffer[i], cmd_flags);
4143
4144 if (rc != 0)
4145 goto nvram_write_end;
4146
4147 cmd_flags = 0;
4148 }
4149 }
4150
4151 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004152 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004153 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004154 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004155 (addr == data_end - 4))) {
4156
4157 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4158 }
4159 rc = bnx2_nvram_write_dword(bp, addr, buf,
4160 cmd_flags);
4161
4162 if (rc != 0)
4163 goto nvram_write_end;
4164
4165 cmd_flags = 0;
4166 buf += 4;
4167 }
4168
4169 /* Loop to write back the buffer data from data_end
4170 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004171 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004172 for (addr = data_end; addr < page_end;
4173 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004174
Michael Chanb6016b72005-05-26 13:03:09 -07004175 if (addr == page_end-4) {
4176 cmd_flags = BNX2_NVM_COMMAND_LAST;
4177 }
4178 rc = bnx2_nvram_write_dword(bp, addr,
4179 &flash_buffer[i], cmd_flags);
4180
4181 if (rc != 0)
4182 goto nvram_write_end;
4183
4184 cmd_flags = 0;
4185 }
4186 }
4187
4188 /* Disable writes to flash interface (lock write-protect) */
4189 bnx2_disable_nvram_write(bp);
4190
4191 /* Disable access to flash interface */
4192 bnx2_disable_nvram_access(bp);
4193 bnx2_release_nvram_lock(bp);
4194
4195 /* Increment written */
4196 written += data_end - data_start;
4197 }
4198
4199nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004200 kfree(flash_buffer);
4201 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004202 return rc;
4203}
4204
Michael Chan0d8a6572007-07-07 22:49:43 -07004205static void
4206bnx2_init_remote_phy(struct bnx2 *bp)
4207{
4208 u32 val;
4209
Michael Chan583c28e2008-01-21 19:51:35 -08004210 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4211 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
Michael Chan0d8a6572007-07-07 22:49:43 -07004212 return;
4213
Michael Chan2726d6e2008-01-29 21:35:05 -08004214 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004215 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4216 return;
4217
4218 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan583c28e2008-01-21 19:51:35 -08004219 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004220
Michael Chan2726d6e2008-01-29 21:35:05 -08004221 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07004222 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4223 bp->phy_port = PORT_FIBRE;
4224 else
4225 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004226
4227 if (netif_running(bp->dev)) {
4228 u32 sig;
4229
Michael Chan489310a2007-10-10 16:16:31 -07004230 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4231 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan2726d6e2008-01-29 21:35:05 -08004232 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan489310a2007-10-10 16:16:31 -07004233 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004234 }
4235}
4236
Michael Chanb4b36042007-12-20 19:59:30 -08004237static void
4238bnx2_setup_msix_tbl(struct bnx2 *bp)
4239{
4240 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4241
4242 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4243 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4244}
4245
Michael Chanb6016b72005-05-26 13:03:09 -07004246static int
4247bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4248{
4249 u32 val;
4250 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004251 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004252
4253 /* Wait for the current PCI transaction to complete before
4254 * issuing a reset. */
4255 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4256 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4257 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4258 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4259 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4260 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4261 udelay(5);
4262
Michael Chanb090ae22006-01-23 16:07:10 -08004263 /* Wait for the firmware to tell us it is ok to issue a reset. */
4264 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4265
Michael Chanb6016b72005-05-26 13:03:09 -07004266 /* Deposit a driver reset signature so the firmware knows that
4267 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004268 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4269 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004270
Michael Chanb6016b72005-05-26 13:03:09 -07004271 /* Do a dummy read to force the chip to complete all current transaction
4272 * before we issue a reset. */
4273 val = REG_RD(bp, BNX2_MISC_ID);
4274
Michael Chan234754d2006-11-19 14:11:41 -08004275 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4276 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4277 REG_RD(bp, BNX2_MISC_COMMAND);
4278 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004279
Michael Chan234754d2006-11-19 14:11:41 -08004280 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4281 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004282
Michael Chan234754d2006-11-19 14:11:41 -08004283 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004284
Michael Chan234754d2006-11-19 14:11:41 -08004285 } else {
4286 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4287 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4288 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4289
4290 /* Chip reset. */
4291 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4292
Michael Chan594a9df2007-08-28 15:39:42 -07004293 /* Reading back any register after chip reset will hang the
4294 * bus on 5706 A0 and A1. The msleep below provides plenty
4295 * of margin for write posting.
4296 */
Michael Chan234754d2006-11-19 14:11:41 -08004297 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004298 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4299 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004300
Michael Chan234754d2006-11-19 14:11:41 -08004301 /* Reset takes approximate 30 usec */
4302 for (i = 0; i < 10; i++) {
4303 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4304 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4305 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4306 break;
4307 udelay(10);
4308 }
4309
4310 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4311 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4312 printk(KERN_ERR PFX "Chip reset did not complete\n");
4313 return -EBUSY;
4314 }
Michael Chanb6016b72005-05-26 13:03:09 -07004315 }
4316
4317 /* Make sure byte swapping is properly configured. */
4318 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4319 if (val != 0x01020304) {
4320 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4321 return -ENODEV;
4322 }
4323
Michael Chanb6016b72005-05-26 13:03:09 -07004324 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004325 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4326 if (rc)
4327 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004328
Michael Chan0d8a6572007-07-07 22:49:43 -07004329 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004330 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004331 bnx2_init_remote_phy(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004332 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4333 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004334 bnx2_set_default_remote_link(bp);
4335 spin_unlock_bh(&bp->phy_lock);
4336
Michael Chanb6016b72005-05-26 13:03:09 -07004337 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4338 /* Adjust the voltage regular to two steps lower. The default
4339 * of this register is 0x0000000e. */
4340 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4341
4342 /* Remove bad rbuf memory from the free pool. */
4343 rc = bnx2_alloc_bad_rbuf(bp);
4344 }
4345
David S. Millerf86e82f2008-01-21 17:15:40 -08004346 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004347 bnx2_setup_msix_tbl(bp);
4348
Michael Chanb6016b72005-05-26 13:03:09 -07004349 return rc;
4350}
4351
4352static int
4353bnx2_init_chip(struct bnx2 *bp)
4354{
4355 u32 val;
Michael Chanb4b36042007-12-20 19:59:30 -08004356 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004357
4358 /* Make sure the interrupt is not active. */
4359 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4360
4361 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4362 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4363#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004364 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004365#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004366 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004367 DMA_READ_CHANS << 12 |
4368 DMA_WRITE_CHANS << 16;
4369
4370 val |= (0x2 << 20) | (1 << 11);
4371
David S. Millerf86e82f2008-01-21 17:15:40 -08004372 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004373 val |= (1 << 23);
4374
4375 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004376 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004377 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4378
4379 REG_WR(bp, BNX2_DMA_CONFIG, val);
4380
4381 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4382 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4383 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4384 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4385 }
4386
David S. Millerf86e82f2008-01-21 17:15:40 -08004387 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004388 u16 val16;
4389
4390 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4391 &val16);
4392 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4393 val16 & ~PCI_X_CMD_ERO);
4394 }
4395
4396 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4397 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4398 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4399 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4400
4401 /* Initialize context mapping and zero out the quick contexts. The
4402 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004403 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4404 rc = bnx2_init_5709_context(bp);
4405 if (rc)
4406 return rc;
4407 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004408 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004409
Michael Chanfba9fe92006-06-12 22:21:25 -07004410 if ((rc = bnx2_init_cpus(bp)) != 0)
4411 return rc;
4412
Michael Chanb6016b72005-05-26 13:03:09 -07004413 bnx2_init_nvram(bp);
4414
4415 bnx2_set_mac_addr(bp);
4416
4417 val = REG_RD(bp, BNX2_MQ_CONFIG);
4418 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4419 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004420 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4421 val |= BNX2_MQ_CONFIG_HALT_DIS;
4422
Michael Chanb6016b72005-05-26 13:03:09 -07004423 REG_WR(bp, BNX2_MQ_CONFIG, val);
4424
4425 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4426 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4427 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4428
4429 val = (BCM_PAGE_BITS - 8) << 24;
4430 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4431
4432 /* Configure page size. */
4433 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4434 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4435 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4436 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4437
4438 val = bp->mac_addr[0] +
4439 (bp->mac_addr[1] << 8) +
4440 (bp->mac_addr[2] << 16) +
4441 bp->mac_addr[3] +
4442 (bp->mac_addr[4] << 8) +
4443 (bp->mac_addr[5] << 16);
4444 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4445
4446 /* Program the MTU. Also include 4 bytes for CRC32. */
4447 val = bp->dev->mtu + ETH_HLEN + 4;
4448 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4449 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4450 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4451
Michael Chanb4b36042007-12-20 19:59:30 -08004452 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4453 bp->bnx2_napi[i].last_status_idx = 0;
4454
Michael Chanb6016b72005-05-26 13:03:09 -07004455 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4456
4457 /* Set up how to generate a link change interrupt. */
4458 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4459
4460 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4461 (u64) bp->status_blk_mapping & 0xffffffff);
4462 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4463
4464 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4465 (u64) bp->stats_blk_mapping & 0xffffffff);
4466 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4467 (u64) bp->stats_blk_mapping >> 32);
4468
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004469 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004470 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4471
4472 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4473 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4474
4475 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4476 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4477
4478 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4479
4480 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4481
4482 REG_WR(bp, BNX2_HC_COM_TICKS,
4483 (bp->com_ticks_int << 16) | bp->com_ticks);
4484
4485 REG_WR(bp, BNX2_HC_CMD_TICKS,
4486 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4487
Michael Chan02537b062007-06-04 21:24:07 -07004488 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4489 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4490 else
Michael Chan7ea69202007-07-16 18:27:10 -07004491 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004492 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4493
4494 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004495 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004496 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004497 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4498 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004499 }
4500
David S. Millerf86e82f2008-01-21 17:15:40 -08004501 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chan6f743ca2008-01-29 21:34:08 -08004502 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4503 BNX2_HC_SB_CONFIG_1;
4504
Michael Chanc76c0472007-12-20 20:01:19 -08004505 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4506 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4507
Michael Chan6f743ca2008-01-29 21:34:08 -08004508 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004509 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4510 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4511
Michael Chan6f743ca2008-01-29 21:34:08 -08004512 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004513 (bp->tx_quick_cons_trip_int << 16) |
4514 bp->tx_quick_cons_trip);
4515
Michael Chan6f743ca2008-01-29 21:34:08 -08004516 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004517 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4518
4519 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4520 }
4521
David S. Millerf86e82f2008-01-21 17:15:40 -08004522 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004523 val |= BNX2_HC_CONFIG_ONE_SHOT;
4524
4525 REG_WR(bp, BNX2_HC_CONFIG, val);
4526
Michael Chanb6016b72005-05-26 13:03:09 -07004527 /* Clear internal stats counters. */
4528 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4529
Michael Chanda3e4fb2007-05-03 13:24:23 -07004530 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004531
4532 /* Initialize the receive filter. */
4533 bnx2_set_rx_mode(bp->dev);
4534
Michael Chan0aa38df2007-06-04 21:23:06 -07004535 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4536 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4537 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4538 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4539 }
Michael Chanb090ae22006-01-23 16:07:10 -08004540 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4541 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004542
Michael Chandf149d72007-07-07 22:51:36 -07004543 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004544 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4545
4546 udelay(20);
4547
Michael Chanbf5295b2006-03-23 01:11:56 -08004548 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4549
Michael Chanb090ae22006-01-23 16:07:10 -08004550 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004551}
4552
Michael Chan59b47d82006-11-19 14:10:45 -08004553static void
Michael Chanc76c0472007-12-20 20:01:19 -08004554bnx2_clear_ring_states(struct bnx2 *bp)
4555{
4556 struct bnx2_napi *bnapi;
4557 int i;
4558
4559 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4560 bnapi = &bp->bnx2_napi[i];
4561
4562 bnapi->tx_cons = 0;
4563 bnapi->hw_tx_cons = 0;
4564 bnapi->rx_prod_bseq = 0;
4565 bnapi->rx_prod = 0;
4566 bnapi->rx_cons = 0;
4567 bnapi->rx_pg_prod = 0;
4568 bnapi->rx_pg_cons = 0;
4569 }
4570}
4571
4572static void
Michael Chan59b47d82006-11-19 14:10:45 -08004573bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4574{
4575 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08004576 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08004577
4578 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4579 offset0 = BNX2_L2CTX_TYPE_XI;
4580 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4581 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4582 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4583 } else {
4584 offset0 = BNX2_L2CTX_TYPE;
4585 offset1 = BNX2_L2CTX_CMD_TYPE;
4586 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4587 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4588 }
4589 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08004590 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004591
4592 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08004593 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004594
4595 val = (u64) bp->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004596 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004597
4598 val = (u64) bp->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004599 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08004600}
Michael Chanb6016b72005-05-26 13:03:09 -07004601
4602static void
4603bnx2_init_tx_ring(struct bnx2 *bp)
4604{
4605 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08004606 u32 cid = TX_CID;
4607 struct bnx2_napi *bnapi;
4608
4609 bp->tx_vec = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004610 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004611 cid = TX_TSS_CID;
4612 bp->tx_vec = BNX2_TX_VEC;
4613 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4614 (TX_TSS_CID << 7));
4615 }
4616 bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07004617
Michael Chan2f8af122006-08-15 01:39:10 -07004618 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4619
Michael Chanb6016b72005-05-26 13:03:09 -07004620 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004621
Michael Chanb6016b72005-05-26 13:03:09 -07004622 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4623 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4624
4625 bp->tx_prod = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004626 bp->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004627
Michael Chan59b47d82006-11-19 14:10:45 -08004628 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4629 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004630
Michael Chan59b47d82006-11-19 14:10:45 -08004631 bnx2_init_tx_context(bp, cid);
Michael Chanb6016b72005-05-26 13:03:09 -07004632}
4633
4634static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004635bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4636 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004637{
Michael Chanb6016b72005-05-26 13:03:09 -07004638 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004639 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004640
Michael Chan5d5d0012007-12-12 11:17:43 -08004641 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004642 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004643
Michael Chan5d5d0012007-12-12 11:17:43 -08004644 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004645 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004646 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004647 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4648 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004649 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004650 j = 0;
4651 else
4652 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004653 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4654 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004655 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004656}
4657
4658static void
4659bnx2_init_rx_ring(struct bnx2 *bp)
4660{
4661 int i;
4662 u16 prod, ring_prod;
4663 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
Michael Chanb4b36042007-12-20 19:59:30 -08004664 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan5d5d0012007-12-12 11:17:43 -08004665
Michael Chan5d5d0012007-12-12 11:17:43 -08004666 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4667 bp->rx_buf_use_size, bp->rx_max_ring);
4668
Michael Chan83e3fc82008-01-29 21:37:17 -08004669 bnx2_init_rx_context0(bp);
4670
4671 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4672 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4673 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4674 }
4675
Michael Chan62a83132008-01-29 21:35:40 -08004676 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004677 if (bp->rx_pg_ring_size) {
4678 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4679 bp->rx_pg_desc_mapping,
4680 PAGE_SIZE, bp->rx_max_pg_ring);
4681 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08004682 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4683 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan47bf4242007-12-12 11:19:12 -08004684 BNX2_L2CTX_RBDC_JUMBO_KEY);
4685
4686 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004687 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004688
4689 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004690 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08004691
4692 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4693 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4694 }
Michael Chanb6016b72005-05-26 13:03:09 -07004695
Michael Chan13daffa2006-03-20 17:49:20 -08004696 val = (u64) bp->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08004697 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004698
Michael Chan13daffa2006-03-20 17:49:20 -08004699 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08004700 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004701
Michael Chana1f60192007-12-20 19:57:19 -08004702 ring_prod = prod = bnapi->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004703 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4704 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4705 break;
4706 prod = NEXT_RX_BD(prod);
4707 ring_prod = RX_PG_RING_IDX(prod);
4708 }
Michael Chana1f60192007-12-20 19:57:19 -08004709 bnapi->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08004710
Michael Chana1f60192007-12-20 19:57:19 -08004711 ring_prod = prod = bnapi->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004712 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chana1f60192007-12-20 19:57:19 -08004713 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004714 break;
4715 }
4716 prod = NEXT_RX_BD(prod);
4717 ring_prod = RX_RING_IDX(prod);
4718 }
Michael Chana1f60192007-12-20 19:57:19 -08004719 bnapi->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07004720
Michael Chana1f60192007-12-20 19:57:19 -08004721 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4722 bnapi->rx_pg_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07004723 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4724
Michael Chana1f60192007-12-20 19:57:19 -08004725 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004726}
4727
Michael Chan5d5d0012007-12-12 11:17:43 -08004728static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004729{
Michael Chan5d5d0012007-12-12 11:17:43 -08004730 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004731
Michael Chan5d5d0012007-12-12 11:17:43 -08004732 while (ring_size > MAX_RX_DESC_CNT) {
4733 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004734 num_rings++;
4735 }
4736 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004737 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004738 while ((max & num_rings) == 0)
4739 max >>= 1;
4740
4741 if (num_rings != max)
4742 max <<= 1;
4743
Michael Chan5d5d0012007-12-12 11:17:43 -08004744 return max;
4745}
4746
4747static void
4748bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4749{
Michael Chan84eaa182007-12-12 11:19:57 -08004750 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004751
4752 /* 8 for CRC and VLAN */
4753 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4754
Michael Chan84eaa182007-12-12 11:19:57 -08004755 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4756 sizeof(struct skb_shared_info);
4757
Michael Chan5d5d0012007-12-12 11:17:43 -08004758 bp->rx_copy_thresh = RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004759 bp->rx_pg_ring_size = 0;
4760 bp->rx_max_pg_ring = 0;
4761 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08004762 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08004763 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4764
4765 jumbo_size = size * pages;
4766 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4767 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4768
4769 bp->rx_pg_ring_size = jumbo_size;
4770 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4771 MAX_RX_PG_RINGS);
4772 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4773 rx_size = RX_COPY_THRESH + bp->rx_offset;
4774 bp->rx_copy_thresh = 0;
4775 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004776
4777 bp->rx_buf_use_size = rx_size;
4778 /* hw alignment */
4779 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Michael Chan1db82f22007-12-12 11:19:35 -08004780 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
Michael Chan5d5d0012007-12-12 11:17:43 -08004781 bp->rx_ring_size = size;
4782 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004783 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4784}
4785
4786static void
Michael Chanb6016b72005-05-26 13:03:09 -07004787bnx2_free_tx_skbs(struct bnx2 *bp)
4788{
4789 int i;
4790
4791 if (bp->tx_buf_ring == NULL)
4792 return;
4793
4794 for (i = 0; i < TX_DESC_CNT; ) {
4795 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4796 struct sk_buff *skb = tx_buf->skb;
4797 int j, last;
4798
4799 if (skb == NULL) {
4800 i++;
4801 continue;
4802 }
4803
4804 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4805 skb_headlen(skb), PCI_DMA_TODEVICE);
4806
4807 tx_buf->skb = NULL;
4808
4809 last = skb_shinfo(skb)->nr_frags;
4810 for (j = 0; j < last; j++) {
4811 tx_buf = &bp->tx_buf_ring[i + j + 1];
4812 pci_unmap_page(bp->pdev,
4813 pci_unmap_addr(tx_buf, mapping),
4814 skb_shinfo(skb)->frags[j].size,
4815 PCI_DMA_TODEVICE);
4816 }
Michael Chan745720e2006-06-29 12:37:41 -07004817 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004818 i += j + 1;
4819 }
4820
4821}
4822
4823static void
4824bnx2_free_rx_skbs(struct bnx2 *bp)
4825{
4826 int i;
4827
4828 if (bp->rx_buf_ring == NULL)
4829 return;
4830
Michael Chan13daffa2006-03-20 17:49:20 -08004831 for (i = 0; i < bp->rx_max_ring_idx; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004832 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4833 struct sk_buff *skb = rx_buf->skb;
4834
Michael Chan05d0f1c2005-11-04 08:53:48 -08004835 if (skb == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004836 continue;
4837
4838 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4839 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4840
4841 rx_buf->skb = NULL;
4842
Michael Chan745720e2006-06-29 12:37:41 -07004843 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004844 }
Michael Chan47bf4242007-12-12 11:19:12 -08004845 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4846 bnx2_free_rx_page(bp, i);
Michael Chanb6016b72005-05-26 13:03:09 -07004847}
4848
4849static void
4850bnx2_free_skbs(struct bnx2 *bp)
4851{
4852 bnx2_free_tx_skbs(bp);
4853 bnx2_free_rx_skbs(bp);
4854}
4855
4856static int
4857bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4858{
4859 int rc;
4860
4861 rc = bnx2_reset_chip(bp, reset_code);
4862 bnx2_free_skbs(bp);
4863 if (rc)
4864 return rc;
4865
Michael Chanfba9fe92006-06-12 22:21:25 -07004866 if ((rc = bnx2_init_chip(bp)) != 0)
4867 return rc;
4868
Michael Chanc76c0472007-12-20 20:01:19 -08004869 bnx2_clear_ring_states(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004870 bnx2_init_tx_ring(bp);
4871 bnx2_init_rx_ring(bp);
4872 return 0;
4873}
4874
4875static int
4876bnx2_init_nic(struct bnx2 *bp)
4877{
4878 int rc;
4879
4880 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4881 return rc;
4882
Michael Chan80be4432006-11-19 14:07:28 -08004883 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004884 bnx2_init_phy(bp);
4885 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07004886 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4887 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07004888 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004889 return 0;
4890}
4891
4892static int
4893bnx2_test_registers(struct bnx2 *bp)
4894{
4895 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07004896 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05004897 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004898 u16 offset;
4899 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07004900#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07004901 u32 rw_mask;
4902 u32 ro_mask;
4903 } reg_tbl[] = {
4904 { 0x006c, 0, 0x00000000, 0x0000003f },
4905 { 0x0090, 0, 0xffffffff, 0x00000000 },
4906 { 0x0094, 0, 0x00000000, 0x00000000 },
4907
Michael Chan5bae30c2007-05-03 13:18:46 -07004908 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4909 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4911 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4912 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4913 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4914 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4915 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4916 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07004917
Michael Chan5bae30c2007-05-03 13:18:46 -07004918 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4919 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4920 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4921 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4922 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4923 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07004924
Michael Chan5bae30c2007-05-03 13:18:46 -07004925 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4926 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4927 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004928
4929 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07004930 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07004931
4932 { 0x1408, 0, 0x01c00800, 0x00000000 },
4933 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4934 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004935 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004936 { 0x14b0, 0, 0x00000002, 0x00000001 },
4937 { 0x14b8, 0, 0x00000000, 0x00000000 },
4938 { 0x14c0, 0, 0x00000000, 0x00000009 },
4939 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4940 { 0x14cc, 0, 0x00000000, 0x00000001 },
4941 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004942
4943 { 0x1800, 0, 0x00000000, 0x00000001 },
4944 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07004945
4946 { 0x2800, 0, 0x00000000, 0x00000001 },
4947 { 0x2804, 0, 0x00000000, 0x00003f01 },
4948 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4949 { 0x2810, 0, 0xffff0000, 0x00000000 },
4950 { 0x2814, 0, 0xffff0000, 0x00000000 },
4951 { 0x2818, 0, 0xffff0000, 0x00000000 },
4952 { 0x281c, 0, 0xffff0000, 0x00000000 },
4953 { 0x2834, 0, 0xffffffff, 0x00000000 },
4954 { 0x2840, 0, 0x00000000, 0xffffffff },
4955 { 0x2844, 0, 0x00000000, 0xffffffff },
4956 { 0x2848, 0, 0xffffffff, 0x00000000 },
4957 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4958
4959 { 0x2c00, 0, 0x00000000, 0x00000011 },
4960 { 0x2c04, 0, 0x00000000, 0x00030007 },
4961
Michael Chanb6016b72005-05-26 13:03:09 -07004962 { 0x3c00, 0, 0x00000000, 0x00000001 },
4963 { 0x3c04, 0, 0x00000000, 0x00070000 },
4964 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4965 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4966 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4967 { 0x3c14, 0, 0x00000000, 0xffffffff },
4968 { 0x3c18, 0, 0x00000000, 0xffffffff },
4969 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4970 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004971
4972 { 0x5004, 0, 0x00000000, 0x0000007f },
4973 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004974
Michael Chanb6016b72005-05-26 13:03:09 -07004975 { 0x5c00, 0, 0x00000000, 0x00000001 },
4976 { 0x5c04, 0, 0x00000000, 0x0003000f },
4977 { 0x5c08, 0, 0x00000003, 0x00000000 },
4978 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4979 { 0x5c10, 0, 0x00000000, 0xffffffff },
4980 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4981 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4982 { 0x5c88, 0, 0x00000000, 0x00077373 },
4983 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4984
4985 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4986 { 0x680c, 0, 0xffffffff, 0x00000000 },
4987 { 0x6810, 0, 0xffffffff, 0x00000000 },
4988 { 0x6814, 0, 0xffffffff, 0x00000000 },
4989 { 0x6818, 0, 0xffffffff, 0x00000000 },
4990 { 0x681c, 0, 0xffffffff, 0x00000000 },
4991 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4992 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4993 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4994 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4995 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4996 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4997 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4998 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4999 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5000 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5001 { 0x684c, 0, 0xffffffff, 0x00000000 },
5002 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5003 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5004 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5005 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5006 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5007 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5008
5009 { 0xffff, 0, 0x00000000, 0x00000000 },
5010 };
5011
5012 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005013 is_5709 = 0;
5014 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5015 is_5709 = 1;
5016
Michael Chanb6016b72005-05-26 13:03:09 -07005017 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5018 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005019 u16 flags = reg_tbl[i].flags;
5020
5021 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5022 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005023
5024 offset = (u32) reg_tbl[i].offset;
5025 rw_mask = reg_tbl[i].rw_mask;
5026 ro_mask = reg_tbl[i].ro_mask;
5027
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005028 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005029
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005030 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005031
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005032 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005033 if ((val & rw_mask) != 0) {
5034 goto reg_test_err;
5035 }
5036
5037 if ((val & ro_mask) != (save_val & ro_mask)) {
5038 goto reg_test_err;
5039 }
5040
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005041 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005042
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005043 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005044 if ((val & rw_mask) != rw_mask) {
5045 goto reg_test_err;
5046 }
5047
5048 if ((val & ro_mask) != (save_val & ro_mask)) {
5049 goto reg_test_err;
5050 }
5051
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005052 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005053 continue;
5054
5055reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005056 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005057 ret = -ENODEV;
5058 break;
5059 }
5060 return ret;
5061}
5062
5063static int
5064bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5065{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005066 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005067 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5068 int i;
5069
5070 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5071 u32 offset;
5072
5073 for (offset = 0; offset < size; offset += 4) {
5074
Michael Chan2726d6e2008-01-29 21:35:05 -08005075 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005076
Michael Chan2726d6e2008-01-29 21:35:05 -08005077 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005078 test_pattern[i]) {
5079 return -ENODEV;
5080 }
5081 }
5082 }
5083 return 0;
5084}
5085
5086static int
5087bnx2_test_memory(struct bnx2 *bp)
5088{
5089 int ret = 0;
5090 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005091 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005092 u32 offset;
5093 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005094 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005095 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005096 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005097 { 0xe0000, 0x4000 },
5098 { 0x120000, 0x4000 },
5099 { 0x1a0000, 0x4000 },
5100 { 0x160000, 0x4000 },
5101 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005102 },
5103 mem_tbl_5709[] = {
5104 { 0x60000, 0x4000 },
5105 { 0xa0000, 0x3000 },
5106 { 0xe0000, 0x4000 },
5107 { 0x120000, 0x4000 },
5108 { 0x1a0000, 0x4000 },
5109 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005110 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005111 struct mem_entry *mem_tbl;
5112
5113 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5114 mem_tbl = mem_tbl_5709;
5115 else
5116 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005117
5118 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5119 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5120 mem_tbl[i].len)) != 0) {
5121 return ret;
5122 }
5123 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005124
Michael Chanb6016b72005-05-26 13:03:09 -07005125 return ret;
5126}
5127
Michael Chanbc5a0692006-01-23 16:13:22 -08005128#define BNX2_MAC_LOOPBACK 0
5129#define BNX2_PHY_LOOPBACK 1
5130
Michael Chanb6016b72005-05-26 13:03:09 -07005131static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005132bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005133{
5134 unsigned int pkt_size, num_pkts, i;
5135 struct sk_buff *skb, *rx_skb;
5136 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005137 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005138 dma_addr_t map;
5139 struct tx_bd *txbd;
5140 struct sw_bd *rx_buf;
5141 struct l2_fhdr *rx_hdr;
5142 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005143 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5144
5145 tx_napi = bnapi;
David S. Millerf86e82f2008-01-21 17:15:40 -08005146 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanc76c0472007-12-20 20:01:19 -08005147 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
Michael Chanb6016b72005-05-26 13:03:09 -07005148
Michael Chanbc5a0692006-01-23 16:13:22 -08005149 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5150 bp->loopback = MAC_LOOPBACK;
5151 bnx2_set_mac_loopback(bp);
5152 }
5153 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005154 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005155 return 0;
5156
Michael Chan80be4432006-11-19 14:07:28 -08005157 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005158 bnx2_set_phy_loopback(bp);
5159 }
5160 else
5161 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005162
Michael Chan84eaa182007-12-12 11:19:57 -08005163 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005164 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005165 if (!skb)
5166 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005167 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005168 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005169 memset(packet + 6, 0x0, 8);
5170 for (i = 14; i < pkt_size; i++)
5171 packet[i] = (unsigned char) (i & 0xff);
5172
5173 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5174 PCI_DMA_TODEVICE);
5175
Michael Chanbf5295b2006-03-23 01:11:56 -08005176 REG_WR(bp, BNX2_HC_COMMAND,
5177 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5178
Michael Chanb6016b72005-05-26 13:03:09 -07005179 REG_RD(bp, BNX2_HC_COMMAND);
5180
5181 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005182 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005183
Michael Chanb6016b72005-05-26 13:03:09 -07005184 num_pkts = 0;
5185
Michael Chanbc5a0692006-01-23 16:13:22 -08005186 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005187
5188 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5189 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5190 txbd->tx_bd_mss_nbytes = pkt_size;
5191 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5192
5193 num_pkts++;
Michael Chanbc5a0692006-01-23 16:13:22 -08005194 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5195 bp->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005196
Michael Chan234754d2006-11-19 14:11:41 -08005197 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5198 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005199
5200 udelay(100);
5201
Michael Chanbf5295b2006-03-23 01:11:56 -08005202 REG_WR(bp, BNX2_HC_COMMAND,
5203 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5204
Michael Chanb6016b72005-05-26 13:03:09 -07005205 REG_RD(bp, BNX2_HC_COMMAND);
5206
5207 udelay(5);
5208
5209 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005210 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005211
Michael Chanc76c0472007-12-20 20:01:19 -08005212 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005213 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005214
Michael Chan35efa7c2007-12-20 19:56:37 -08005215 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005216 if (rx_idx != rx_start_idx + num_pkts) {
5217 goto loopback_test_done;
5218 }
5219
5220 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5221 rx_skb = rx_buf->skb;
5222
5223 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5224 skb_reserve(rx_skb, bp->rx_offset);
5225
5226 pci_dma_sync_single_for_cpu(bp->pdev,
5227 pci_unmap_addr(rx_buf, mapping),
5228 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5229
Michael Chanade2bfe2006-01-23 16:09:51 -08005230 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005231 (L2_FHDR_ERRORS_BAD_CRC |
5232 L2_FHDR_ERRORS_PHY_DECODE |
5233 L2_FHDR_ERRORS_ALIGNMENT |
5234 L2_FHDR_ERRORS_TOO_SHORT |
5235 L2_FHDR_ERRORS_GIANT_FRAME)) {
5236
5237 goto loopback_test_done;
5238 }
5239
5240 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5241 goto loopback_test_done;
5242 }
5243
5244 for (i = 14; i < pkt_size; i++) {
5245 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5246 goto loopback_test_done;
5247 }
5248 }
5249
5250 ret = 0;
5251
5252loopback_test_done:
5253 bp->loopback = 0;
5254 return ret;
5255}
5256
Michael Chanbc5a0692006-01-23 16:13:22 -08005257#define BNX2_MAC_LOOPBACK_FAILED 1
5258#define BNX2_PHY_LOOPBACK_FAILED 2
5259#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5260 BNX2_PHY_LOOPBACK_FAILED)
5261
5262static int
5263bnx2_test_loopback(struct bnx2 *bp)
5264{
5265 int rc = 0;
5266
5267 if (!netif_running(bp->dev))
5268 return BNX2_LOOPBACK_FAILED;
5269
5270 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5271 spin_lock_bh(&bp->phy_lock);
5272 bnx2_init_phy(bp);
5273 spin_unlock_bh(&bp->phy_lock);
5274 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5275 rc |= BNX2_MAC_LOOPBACK_FAILED;
5276 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5277 rc |= BNX2_PHY_LOOPBACK_FAILED;
5278 return rc;
5279}
5280
Michael Chanb6016b72005-05-26 13:03:09 -07005281#define NVRAM_SIZE 0x200
5282#define CRC32_RESIDUAL 0xdebb20e3
5283
5284static int
5285bnx2_test_nvram(struct bnx2 *bp)
5286{
Al Virob491edd2007-12-22 19:44:51 +00005287 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005288 u8 *data = (u8 *) buf;
5289 int rc = 0;
5290 u32 magic, csum;
5291
5292 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5293 goto test_nvram_done;
5294
5295 magic = be32_to_cpu(buf[0]);
5296 if (magic != 0x669955aa) {
5297 rc = -ENODEV;
5298 goto test_nvram_done;
5299 }
5300
5301 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5302 goto test_nvram_done;
5303
5304 csum = ether_crc_le(0x100, data);
5305 if (csum != CRC32_RESIDUAL) {
5306 rc = -ENODEV;
5307 goto test_nvram_done;
5308 }
5309
5310 csum = ether_crc_le(0x100, data + 0x100);
5311 if (csum != CRC32_RESIDUAL) {
5312 rc = -ENODEV;
5313 }
5314
5315test_nvram_done:
5316 return rc;
5317}
5318
5319static int
5320bnx2_test_link(struct bnx2 *bp)
5321{
5322 u32 bmsr;
5323
Michael Chan583c28e2008-01-21 19:51:35 -08005324 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005325 if (bp->link_up)
5326 return 0;
5327 return -ENODEV;
5328 }
Michael Chanc770a652005-08-25 15:38:39 -07005329 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005330 bnx2_enable_bmsr1(bp);
5331 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5332 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5333 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005334 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005335
Michael Chanb6016b72005-05-26 13:03:09 -07005336 if (bmsr & BMSR_LSTATUS) {
5337 return 0;
5338 }
5339 return -ENODEV;
5340}
5341
5342static int
5343bnx2_test_intr(struct bnx2 *bp)
5344{
5345 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005346 u16 status_idx;
5347
5348 if (!netif_running(bp->dev))
5349 return -ENODEV;
5350
5351 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5352
5353 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005354 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005355 REG_RD(bp, BNX2_HC_COMMAND);
5356
5357 for (i = 0; i < 10; i++) {
5358 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5359 status_idx) {
5360
5361 break;
5362 }
5363
5364 msleep_interruptible(10);
5365 }
5366 if (i < 10)
5367 return 0;
5368
5369 return -ENODEV;
5370}
5371
Michael Chan38ea3682008-02-23 19:48:57 -08005372/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005373static int
5374bnx2_5706_serdes_has_link(struct bnx2 *bp)
5375{
5376 u32 mode_ctl, an_dbg, exp;
5377
Michael Chan38ea3682008-02-23 19:48:57 -08005378 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5379 return 0;
5380
Michael Chanb2fadea2008-01-21 17:07:06 -08005381 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5383
5384 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5385 return 0;
5386
5387 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5388 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5389 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5390
Michael Chanf3014c02008-01-29 21:33:03 -08005391 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005392 return 0;
5393
5394 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5395 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5396 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5397
5398 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5399 return 0;
5400
5401 return 1;
5402}
5403
Michael Chanb6016b72005-05-26 13:03:09 -07005404static void
Michael Chan48b01e22006-11-19 14:08:00 -08005405bnx2_5706_serdes_timer(struct bnx2 *bp)
5406{
Michael Chanb2fadea2008-01-21 17:07:06 -08005407 int check_link = 1;
5408
Michael Chan48b01e22006-11-19 14:08:00 -08005409 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005410 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005411 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005412 check_link = 0;
5413 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005414 u32 bmcr;
5415
5416 bp->current_interval = bp->timer_interval;
5417
Michael Chanca58c3a2007-05-03 13:22:52 -07005418 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005419
5420 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005421 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005422 bmcr &= ~BMCR_ANENABLE;
5423 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005424 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005425 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005426 }
5427 }
5428 }
5429 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005430 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005431 u32 phy2;
5432
5433 bnx2_write_phy(bp, 0x17, 0x0f01);
5434 bnx2_read_phy(bp, 0x15, &phy2);
5435 if (phy2 & 0x20) {
5436 u32 bmcr;
5437
Michael Chanca58c3a2007-05-03 13:22:52 -07005438 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005439 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005440 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005441
Michael Chan583c28e2008-01-21 19:51:35 -08005442 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005443 }
5444 } else
5445 bp->current_interval = bp->timer_interval;
5446
Michael Chana2724e22008-02-23 19:47:44 -08005447 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005448 u32 val;
5449
5450 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5451 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5452 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5453
Michael Chana2724e22008-02-23 19:47:44 -08005454 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5455 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5456 bnx2_5706s_force_link_dn(bp, 1);
5457 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5458 } else
5459 bnx2_set_link(bp);
5460 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5461 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08005462 }
Michael Chan48b01e22006-11-19 14:08:00 -08005463 spin_unlock(&bp->phy_lock);
5464}
5465
5466static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005467bnx2_5708_serdes_timer(struct bnx2 *bp)
5468{
Michael Chan583c28e2008-01-21 19:51:35 -08005469 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07005470 return;
5471
Michael Chan583c28e2008-01-21 19:51:35 -08005472 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005473 bp->serdes_an_pending = 0;
5474 return;
5475 }
5476
5477 spin_lock(&bp->phy_lock);
5478 if (bp->serdes_an_pending)
5479 bp->serdes_an_pending--;
5480 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5481 u32 bmcr;
5482
Michael Chanca58c3a2007-05-03 13:22:52 -07005483 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005484 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005485 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005486 bp->current_interval = SERDES_FORCED_TIMEOUT;
5487 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005488 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005489 bp->serdes_an_pending = 2;
5490 bp->current_interval = bp->timer_interval;
5491 }
5492
5493 } else
5494 bp->current_interval = bp->timer_interval;
5495
5496 spin_unlock(&bp->phy_lock);
5497}
5498
5499static void
Michael Chanb6016b72005-05-26 13:03:09 -07005500bnx2_timer(unsigned long data)
5501{
5502 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005503
Michael Chancd339a02005-08-25 15:35:24 -07005504 if (!netif_running(bp->dev))
5505 return;
5506
Michael Chanb6016b72005-05-26 13:03:09 -07005507 if (atomic_read(&bp->intr_sem) != 0)
5508 goto bnx2_restart_timer;
5509
Michael Chandf149d72007-07-07 22:51:36 -07005510 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005511
Michael Chan2726d6e2008-01-29 21:35:05 -08005512 bp->stats_blk->stat_FwRxDrop =
5513 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07005514
Michael Chan02537b062007-06-04 21:24:07 -07005515 /* workaround occasional corrupted counters */
5516 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5517 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5518 BNX2_HC_COMMAND_STATS_NOW);
5519
Michael Chan583c28e2008-01-21 19:51:35 -08005520 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08005521 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5522 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005523 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005524 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005525 }
5526
5527bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005528 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005529}
5530
Michael Chan8e6a72c2007-05-03 13:24:48 -07005531static int
5532bnx2_request_irq(struct bnx2 *bp)
5533{
5534 struct net_device *dev = bp->dev;
Michael Chan6d866ff2007-12-20 19:56:09 -08005535 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08005536 struct bnx2_irq *irq;
5537 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005538
David S. Millerf86e82f2008-01-21 17:15:40 -08005539 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08005540 flags = 0;
5541 else
5542 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08005543
5544 for (i = 0; i < bp->irq_nvecs; i++) {
5545 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08005546 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanb4b36042007-12-20 19:59:30 -08005547 dev);
5548 if (rc)
5549 break;
5550 irq->requested = 1;
5551 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005552 return rc;
5553}
5554
5555static void
5556bnx2_free_irq(struct bnx2 *bp)
5557{
5558 struct net_device *dev = bp->dev;
Michael Chanb4b36042007-12-20 19:59:30 -08005559 struct bnx2_irq *irq;
5560 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005561
Michael Chanb4b36042007-12-20 19:59:30 -08005562 for (i = 0; i < bp->irq_nvecs; i++) {
5563 irq = &bp->irq_tbl[i];
5564 if (irq->requested)
5565 free_irq(irq->vector, dev);
5566 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08005567 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005568 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08005569 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08005570 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08005571 pci_disable_msix(bp->pdev);
5572
David S. Millerf86e82f2008-01-21 17:15:40 -08005573 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08005574}
5575
5576static void
5577bnx2_enable_msix(struct bnx2 *bp)
5578{
Michael Chan57851d82007-12-20 20:01:44 -08005579 int i, rc;
5580 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5581
Michael Chanb4b36042007-12-20 19:59:30 -08005582 bnx2_setup_msix_tbl(bp);
5583 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5584 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5585 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08005586
5587 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5588 msix_ent[i].entry = i;
5589 msix_ent[i].vector = 0;
5590 }
5591
5592 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5593 if (rc != 0)
5594 return;
5595
5596 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5597 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5598
5599 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5600 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5601 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5602 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5603
5604 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
David S. Millerf86e82f2008-01-21 17:15:40 -08005605 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan57851d82007-12-20 20:01:44 -08005606 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5607 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan6d866ff2007-12-20 19:56:09 -08005608}
5609
5610static void
5611bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5612{
5613 bp->irq_tbl[0].handler = bnx2_interrupt;
5614 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08005615 bp->irq_nvecs = 1;
5616 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005617
David S. Millerf86e82f2008-01-21 17:15:40 -08005618 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chanb4b36042007-12-20 19:59:30 -08005619 bnx2_enable_msix(bp);
5620
David S. Millerf86e82f2008-01-21 17:15:40 -08005621 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5622 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08005623 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005624 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005625 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08005626 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08005627 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5628 } else
5629 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08005630
5631 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08005632 }
5633 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07005634}
5635
Michael Chanb6016b72005-05-26 13:03:09 -07005636/* Called with rtnl_lock */
5637static int
5638bnx2_open(struct net_device *dev)
5639{
Michael Chan972ec0d2006-01-23 16:12:43 -08005640 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005641 int rc;
5642
Michael Chan1b2f9222007-05-03 13:20:19 -07005643 netif_carrier_off(dev);
5644
Pavel Machek829ca9a2005-09-03 15:56:56 -07005645 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005646 bnx2_disable_int(bp);
5647
5648 rc = bnx2_alloc_mem(bp);
5649 if (rc)
5650 return rc;
5651
Michael Chan6d866ff2007-12-20 19:56:09 -08005652 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005653 bnx2_napi_enable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005654 rc = bnx2_request_irq(bp);
5655
Michael Chanb6016b72005-05-26 13:03:09 -07005656 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005657 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005658 bnx2_free_mem(bp);
5659 return rc;
5660 }
5661
5662 rc = bnx2_init_nic(bp);
5663
5664 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005665 bnx2_napi_disable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005666 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005667 bnx2_free_skbs(bp);
5668 bnx2_free_mem(bp);
5669 return rc;
5670 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005671
Michael Chancd339a02005-08-25 15:35:24 -07005672 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005673
5674 atomic_set(&bp->intr_sem, 0);
5675
5676 bnx2_enable_int(bp);
5677
David S. Millerf86e82f2008-01-21 17:15:40 -08005678 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07005679 /* Test MSI to make sure it is working
5680 * If MSI test fails, go back to INTx mode
5681 */
5682 if (bnx2_test_intr(bp) != 0) {
5683 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5684 " using MSI, switching to INTx mode. Please"
5685 " report this failure to the PCI maintainer"
5686 " and include system chipset information.\n",
5687 bp->dev->name);
5688
5689 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005690 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005691
Michael Chan6d866ff2007-12-20 19:56:09 -08005692 bnx2_setup_int_mode(bp, 1);
5693
Michael Chanb6016b72005-05-26 13:03:09 -07005694 rc = bnx2_init_nic(bp);
5695
Michael Chan8e6a72c2007-05-03 13:24:48 -07005696 if (!rc)
5697 rc = bnx2_request_irq(bp);
5698
Michael Chanb6016b72005-05-26 13:03:09 -07005699 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005700 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005701 bnx2_free_skbs(bp);
5702 bnx2_free_mem(bp);
5703 del_timer_sync(&bp->timer);
5704 return rc;
5705 }
5706 bnx2_enable_int(bp);
5707 }
5708 }
David S. Millerf86e82f2008-01-21 17:15:40 -08005709 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb6016b72005-05-26 13:03:09 -07005710 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
David S. Millerf86e82f2008-01-21 17:15:40 -08005711 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chan57851d82007-12-20 20:01:44 -08005712 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
Michael Chanb6016b72005-05-26 13:03:09 -07005713
5714 netif_start_queue(dev);
5715
5716 return 0;
5717}
5718
5719static void
David Howellsc4028952006-11-22 14:57:56 +00005720bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005721{
David Howellsc4028952006-11-22 14:57:56 +00005722 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005723
Michael Chanafdc08b2005-08-25 15:34:29 -07005724 if (!netif_running(bp->dev))
5725 return;
5726
Michael Chanb6016b72005-05-26 13:03:09 -07005727 bnx2_netif_stop(bp);
5728
5729 bnx2_init_nic(bp);
5730
5731 atomic_set(&bp->intr_sem, 1);
5732 bnx2_netif_start(bp);
5733}
5734
5735static void
5736bnx2_tx_timeout(struct net_device *dev)
5737{
Michael Chan972ec0d2006-01-23 16:12:43 -08005738 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005739
5740 /* This allows the netif to be shutdown gracefully before resetting */
5741 schedule_work(&bp->reset_task);
5742}
5743
5744#ifdef BCM_VLAN
5745/* Called with rtnl_lock */
5746static void
5747bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5748{
Michael Chan972ec0d2006-01-23 16:12:43 -08005749 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005750
5751 bnx2_netif_stop(bp);
5752
5753 bp->vlgrp = vlgrp;
5754 bnx2_set_rx_mode(dev);
5755
5756 bnx2_netif_start(bp);
5757}
Michael Chanb6016b72005-05-26 13:03:09 -07005758#endif
5759
Herbert Xu932ff272006-06-09 12:20:56 -07005760/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005761 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5762 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005763 */
5764static int
5765bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5766{
Michael Chan972ec0d2006-01-23 16:12:43 -08005767 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005768 dma_addr_t mapping;
5769 struct tx_bd *txbd;
5770 struct sw_bd *tx_buf;
5771 u32 len, vlan_tag_flags, last_frag, mss;
5772 u16 prod, ring_prod;
5773 int i;
Michael Chan57851d82007-12-20 20:01:44 -08005774 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
Michael Chanb6016b72005-05-26 13:03:09 -07005775
Michael Chana550c992007-12-20 19:56:59 -08005776 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5777 (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005778 netif_stop_queue(dev);
5779 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5780 dev->name);
5781
5782 return NETDEV_TX_BUSY;
5783 }
5784 len = skb_headlen(skb);
5785 prod = bp->tx_prod;
5786 ring_prod = TX_RING_IDX(prod);
5787
5788 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005789 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005790 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5791 }
5792
Al Viro79ea13c2008-01-24 02:06:46 -08005793 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005794 vlan_tag_flags |=
5795 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5796 }
Michael Chanfde82052007-05-03 17:23:35 -07005797 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005798 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005799 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005800
Michael Chanb6016b72005-05-26 13:03:09 -07005801 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5802
Michael Chan4666f872007-05-03 13:22:28 -07005803 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005804
Michael Chan4666f872007-05-03 13:22:28 -07005805 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5806 u32 tcp_off = skb_transport_offset(skb) -
5807 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005808
Michael Chan4666f872007-05-03 13:22:28 -07005809 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5810 TX_BD_FLAGS_SW_FLAGS;
5811 if (likely(tcp_off == 0))
5812 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5813 else {
5814 tcp_off >>= 3;
5815 vlan_tag_flags |= ((tcp_off & 0x3) <<
5816 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5817 ((tcp_off & 0x10) <<
5818 TX_BD_FLAGS_TCP6_OFF4_SHL);
5819 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5820 }
5821 } else {
5822 if (skb_header_cloned(skb) &&
5823 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5824 dev_kfree_skb(skb);
5825 return NETDEV_TX_OK;
5826 }
5827
5828 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5829
5830 iph = ip_hdr(skb);
5831 iph->check = 0;
5832 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5833 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5834 iph->daddr, 0,
5835 IPPROTO_TCP,
5836 0);
5837 if (tcp_opt_len || (iph->ihl > 5)) {
5838 vlan_tag_flags |= ((iph->ihl - 5) +
5839 (tcp_opt_len >> 2)) << 8;
5840 }
Michael Chanb6016b72005-05-26 13:03:09 -07005841 }
Michael Chan4666f872007-05-03 13:22:28 -07005842 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005843 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005844
5845 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005846
Michael Chanb6016b72005-05-26 13:03:09 -07005847 tx_buf = &bp->tx_buf_ring[ring_prod];
5848 tx_buf->skb = skb;
5849 pci_unmap_addr_set(tx_buf, mapping, mapping);
5850
5851 txbd = &bp->tx_desc_ring[ring_prod];
5852
5853 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5854 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5855 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5856 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5857
5858 last_frag = skb_shinfo(skb)->nr_frags;
5859
5860 for (i = 0; i < last_frag; i++) {
5861 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5862
5863 prod = NEXT_TX_BD(prod);
5864 ring_prod = TX_RING_IDX(prod);
5865 txbd = &bp->tx_desc_ring[ring_prod];
5866
5867 len = frag->size;
5868 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5869 len, PCI_DMA_TODEVICE);
5870 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5871 mapping, mapping);
5872
5873 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5874 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5875 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5876 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5877
5878 }
5879 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5880
5881 prod = NEXT_TX_BD(prod);
5882 bp->tx_prod_bseq += skb->len;
5883
Michael Chan234754d2006-11-19 14:11:41 -08005884 REG_WR16(bp, bp->tx_bidx_addr, prod);
5885 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005886
5887 mmiowb();
5888
5889 bp->tx_prod = prod;
5890 dev->trans_start = jiffies;
5891
Michael Chana550c992007-12-20 19:56:59 -08005892 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07005893 netif_stop_queue(dev);
Michael Chana550c992007-12-20 19:56:59 -08005894 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07005895 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005896 }
5897
5898 return NETDEV_TX_OK;
5899}
5900
5901/* Called with rtnl_lock */
5902static int
5903bnx2_close(struct net_device *dev)
5904{
Michael Chan972ec0d2006-01-23 16:12:43 -08005905 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005906 u32 reset_code;
5907
David S. Miller4bb073c2008-06-12 02:22:02 -07005908 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07005909
Stephen Hemmingerbea33482007-10-03 16:41:36 -07005910 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08005911 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005912 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08005913 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07005914 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08005915 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07005916 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5917 else
5918 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5919 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005920 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005921 bnx2_free_skbs(bp);
5922 bnx2_free_mem(bp);
5923 bp->link_up = 0;
5924 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005925 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07005926 return 0;
5927}
5928
5929#define GET_NET_STATS64(ctr) \
5930 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5931 (unsigned long) (ctr##_lo)
5932
5933#define GET_NET_STATS32(ctr) \
5934 (ctr##_lo)
5935
5936#if (BITS_PER_LONG == 64)
5937#define GET_NET_STATS GET_NET_STATS64
5938#else
5939#define GET_NET_STATS GET_NET_STATS32
5940#endif
5941
5942static struct net_device_stats *
5943bnx2_get_stats(struct net_device *dev)
5944{
Michael Chan972ec0d2006-01-23 16:12:43 -08005945 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005946 struct statistics_block *stats_blk = bp->stats_blk;
5947 struct net_device_stats *net_stats = &bp->net_stats;
5948
5949 if (bp->stats_blk == NULL) {
5950 return net_stats;
5951 }
5952 net_stats->rx_packets =
5953 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5954 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5955 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5956
5957 net_stats->tx_packets =
5958 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5959 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5960 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5961
5962 net_stats->rx_bytes =
5963 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5964
5965 net_stats->tx_bytes =
5966 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5967
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005968 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07005969 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5970
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005971 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07005972 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5973
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005974 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005975 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5976 stats_blk->stat_EtherStatsOverrsizePkts);
5977
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005978 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005979 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5980
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005981 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005982 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5983
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005984 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005985 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5986
5987 net_stats->rx_errors = net_stats->rx_length_errors +
5988 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5989 net_stats->rx_crc_errors;
5990
5991 net_stats->tx_aborted_errors =
5992 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5993 stats_blk->stat_Dot3StatsLateCollisions);
5994
Michael Chan5b0c76a2005-11-04 08:45:49 -08005995 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5996 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005997 net_stats->tx_carrier_errors = 0;
5998 else {
5999 net_stats->tx_carrier_errors =
6000 (unsigned long)
6001 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6002 }
6003
6004 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006005 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07006006 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6007 +
6008 net_stats->tx_aborted_errors +
6009 net_stats->tx_carrier_errors;
6010
Michael Chancea94db2006-06-12 22:16:13 -07006011 net_stats->rx_missed_errors =
6012 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6013 stats_blk->stat_FwRxDrop);
6014
Michael Chanb6016b72005-05-26 13:03:09 -07006015 return net_stats;
6016}
6017
6018/* All ethtool functions called with rtnl_lock */
6019
6020static int
6021bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6022{
Michael Chan972ec0d2006-01-23 16:12:43 -08006023 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006024 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006025
6026 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006027 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006028 support_serdes = 1;
6029 support_copper = 1;
6030 } else if (bp->phy_port == PORT_FIBRE)
6031 support_serdes = 1;
6032 else
6033 support_copper = 1;
6034
6035 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006036 cmd->supported |= SUPPORTED_1000baseT_Full |
6037 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006038 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006039 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006040
Michael Chanb6016b72005-05-26 13:03:09 -07006041 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006042 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006043 cmd->supported |= SUPPORTED_10baseT_Half |
6044 SUPPORTED_10baseT_Full |
6045 SUPPORTED_100baseT_Half |
6046 SUPPORTED_100baseT_Full |
6047 SUPPORTED_1000baseT_Full |
6048 SUPPORTED_TP;
6049
Michael Chanb6016b72005-05-26 13:03:09 -07006050 }
6051
Michael Chan7b6b8342007-07-07 22:50:15 -07006052 spin_lock_bh(&bp->phy_lock);
6053 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006054 cmd->advertising = bp->advertising;
6055
6056 if (bp->autoneg & AUTONEG_SPEED) {
6057 cmd->autoneg = AUTONEG_ENABLE;
6058 }
6059 else {
6060 cmd->autoneg = AUTONEG_DISABLE;
6061 }
6062
6063 if (netif_carrier_ok(dev)) {
6064 cmd->speed = bp->line_speed;
6065 cmd->duplex = bp->duplex;
6066 }
6067 else {
6068 cmd->speed = -1;
6069 cmd->duplex = -1;
6070 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006071 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006072
6073 cmd->transceiver = XCVR_INTERNAL;
6074 cmd->phy_address = bp->phy_addr;
6075
6076 return 0;
6077}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006078
Michael Chanb6016b72005-05-26 13:03:09 -07006079static int
6080bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6081{
Michael Chan972ec0d2006-01-23 16:12:43 -08006082 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006083 u8 autoneg = bp->autoneg;
6084 u8 req_duplex = bp->req_duplex;
6085 u16 req_line_speed = bp->req_line_speed;
6086 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006087 int err = -EINVAL;
6088
6089 spin_lock_bh(&bp->phy_lock);
6090
6091 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6092 goto err_out_unlock;
6093
Michael Chan583c28e2008-01-21 19:51:35 -08006094 if (cmd->port != bp->phy_port &&
6095 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006096 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006097
6098 if (cmd->autoneg == AUTONEG_ENABLE) {
6099 autoneg |= AUTONEG_SPEED;
6100
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006101 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006102
6103 /* allow advertising 1 speed */
6104 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6105 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6106 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6107 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6108
Michael Chan7b6b8342007-07-07 22:50:15 -07006109 if (cmd->port == PORT_FIBRE)
6110 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006111
6112 advertising = cmd->advertising;
6113
Michael Chan27a005b2007-05-03 13:23:41 -07006114 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan583c28e2008-01-21 19:51:35 -08006115 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
Michael Chan7b6b8342007-07-07 22:50:15 -07006116 (cmd->port == PORT_TP))
6117 goto err_out_unlock;
6118 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07006119 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006120 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6121 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006122 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006123 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07006124 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07006125 else
Michael Chanb6016b72005-05-26 13:03:09 -07006126 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006127 }
6128 advertising |= ADVERTISED_Autoneg;
6129 }
6130 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006131 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006132 if ((cmd->speed != SPEED_1000 &&
6133 cmd->speed != SPEED_2500) ||
6134 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006135 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006136
6137 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006138 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006139 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006140 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006141 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6142 goto err_out_unlock;
6143
Michael Chanb6016b72005-05-26 13:03:09 -07006144 autoneg &= ~AUTONEG_SPEED;
6145 req_line_speed = cmd->speed;
6146 req_duplex = cmd->duplex;
6147 advertising = 0;
6148 }
6149
6150 bp->autoneg = autoneg;
6151 bp->advertising = advertising;
6152 bp->req_line_speed = req_line_speed;
6153 bp->req_duplex = req_duplex;
6154
Michael Chan7b6b8342007-07-07 22:50:15 -07006155 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006156
Michael Chan7b6b8342007-07-07 22:50:15 -07006157err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006158 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006159
Michael Chan7b6b8342007-07-07 22:50:15 -07006160 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006161}
6162
6163static void
6164bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6165{
Michael Chan972ec0d2006-01-23 16:12:43 -08006166 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006167
6168 strcpy(info->driver, DRV_MODULE_NAME);
6169 strcpy(info->version, DRV_MODULE_VERSION);
6170 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006171 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006172}
6173
Michael Chan244ac4f2006-03-20 17:48:46 -08006174#define BNX2_REGDUMP_LEN (32 * 1024)
6175
6176static int
6177bnx2_get_regs_len(struct net_device *dev)
6178{
6179 return BNX2_REGDUMP_LEN;
6180}
6181
6182static void
6183bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6184{
6185 u32 *p = _p, i, offset;
6186 u8 *orig_p = _p;
6187 struct bnx2 *bp = netdev_priv(dev);
6188 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6189 0x0800, 0x0880, 0x0c00, 0x0c10,
6190 0x0c30, 0x0d08, 0x1000, 0x101c,
6191 0x1040, 0x1048, 0x1080, 0x10a4,
6192 0x1400, 0x1490, 0x1498, 0x14f0,
6193 0x1500, 0x155c, 0x1580, 0x15dc,
6194 0x1600, 0x1658, 0x1680, 0x16d8,
6195 0x1800, 0x1820, 0x1840, 0x1854,
6196 0x1880, 0x1894, 0x1900, 0x1984,
6197 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6198 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6199 0x2000, 0x2030, 0x23c0, 0x2400,
6200 0x2800, 0x2820, 0x2830, 0x2850,
6201 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6202 0x3c00, 0x3c94, 0x4000, 0x4010,
6203 0x4080, 0x4090, 0x43c0, 0x4458,
6204 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6205 0x4fc0, 0x5010, 0x53c0, 0x5444,
6206 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6207 0x5fc0, 0x6000, 0x6400, 0x6428,
6208 0x6800, 0x6848, 0x684c, 0x6860,
6209 0x6888, 0x6910, 0x8000 };
6210
6211 regs->version = 0;
6212
6213 memset(p, 0, BNX2_REGDUMP_LEN);
6214
6215 if (!netif_running(bp->dev))
6216 return;
6217
6218 i = 0;
6219 offset = reg_boundaries[0];
6220 p += offset;
6221 while (offset < BNX2_REGDUMP_LEN) {
6222 *p++ = REG_RD(bp, offset);
6223 offset += 4;
6224 if (offset == reg_boundaries[i + 1]) {
6225 offset = reg_boundaries[i + 2];
6226 p = (u32 *) (orig_p + offset);
6227 i += 2;
6228 }
6229 }
6230}
6231
Michael Chanb6016b72005-05-26 13:03:09 -07006232static void
6233bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6234{
Michael Chan972ec0d2006-01-23 16:12:43 -08006235 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006236
David S. Millerf86e82f2008-01-21 17:15:40 -08006237 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006238 wol->supported = 0;
6239 wol->wolopts = 0;
6240 }
6241 else {
6242 wol->supported = WAKE_MAGIC;
6243 if (bp->wol)
6244 wol->wolopts = WAKE_MAGIC;
6245 else
6246 wol->wolopts = 0;
6247 }
6248 memset(&wol->sopass, 0, sizeof(wol->sopass));
6249}
6250
6251static int
6252bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6253{
Michael Chan972ec0d2006-01-23 16:12:43 -08006254 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006255
6256 if (wol->wolopts & ~WAKE_MAGIC)
6257 return -EINVAL;
6258
6259 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006260 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006261 return -EINVAL;
6262
6263 bp->wol = 1;
6264 }
6265 else {
6266 bp->wol = 0;
6267 }
6268 return 0;
6269}
6270
6271static int
6272bnx2_nway_reset(struct net_device *dev)
6273{
Michael Chan972ec0d2006-01-23 16:12:43 -08006274 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006275 u32 bmcr;
6276
6277 if (!(bp->autoneg & AUTONEG_SPEED)) {
6278 return -EINVAL;
6279 }
6280
Michael Chanc770a652005-08-25 15:38:39 -07006281 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006282
Michael Chan583c28e2008-01-21 19:51:35 -08006283 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006284 int rc;
6285
6286 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6287 spin_unlock_bh(&bp->phy_lock);
6288 return rc;
6289 }
6290
Michael Chanb6016b72005-05-26 13:03:09 -07006291 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006292 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006293 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006294 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006295
6296 msleep(20);
6297
Michael Chanc770a652005-08-25 15:38:39 -07006298 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006299
6300 bp->current_interval = SERDES_AN_TIMEOUT;
6301 bp->serdes_an_pending = 1;
6302 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006303 }
6304
Michael Chanca58c3a2007-05-03 13:22:52 -07006305 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006306 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006307 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006308
Michael Chanc770a652005-08-25 15:38:39 -07006309 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006310
6311 return 0;
6312}
6313
6314static int
6315bnx2_get_eeprom_len(struct net_device *dev)
6316{
Michael Chan972ec0d2006-01-23 16:12:43 -08006317 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006318
Michael Chan1122db72006-01-23 16:11:42 -08006319 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006320 return 0;
6321
Michael Chan1122db72006-01-23 16:11:42 -08006322 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006323}
6324
6325static int
6326bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6327 u8 *eebuf)
6328{
Michael Chan972ec0d2006-01-23 16:12:43 -08006329 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006330 int rc;
6331
John W. Linville1064e942005-11-10 12:58:24 -08006332 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006333
6334 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6335
6336 return rc;
6337}
6338
6339static int
6340bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6341 u8 *eebuf)
6342{
Michael Chan972ec0d2006-01-23 16:12:43 -08006343 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006344 int rc;
6345
John W. Linville1064e942005-11-10 12:58:24 -08006346 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006347
6348 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6349
6350 return rc;
6351}
6352
6353static int
6354bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6355{
Michael Chan972ec0d2006-01-23 16:12:43 -08006356 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006357
6358 memset(coal, 0, sizeof(struct ethtool_coalesce));
6359
6360 coal->rx_coalesce_usecs = bp->rx_ticks;
6361 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6362 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6363 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6364
6365 coal->tx_coalesce_usecs = bp->tx_ticks;
6366 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6367 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6368 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6369
6370 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6371
6372 return 0;
6373}
6374
6375static int
6376bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6377{
Michael Chan972ec0d2006-01-23 16:12:43 -08006378 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006379
6380 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6381 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6382
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006383 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006384 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6385
6386 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6387 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6388
6389 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6390 if (bp->rx_quick_cons_trip_int > 0xff)
6391 bp->rx_quick_cons_trip_int = 0xff;
6392
6393 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6394 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6395
6396 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6397 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6398
6399 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6400 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6401
6402 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6403 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6404 0xff;
6405
6406 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006407 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6408 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6409 bp->stats_ticks = USEC_PER_SEC;
6410 }
Michael Chan7ea69202007-07-16 18:27:10 -07006411 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6412 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6413 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006414
6415 if (netif_running(bp->dev)) {
6416 bnx2_netif_stop(bp);
6417 bnx2_init_nic(bp);
6418 bnx2_netif_start(bp);
6419 }
6420
6421 return 0;
6422}
6423
6424static void
6425bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6426{
Michael Chan972ec0d2006-01-23 16:12:43 -08006427 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006428
Michael Chan13daffa2006-03-20 17:49:20 -08006429 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006430 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006431 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006432
6433 ering->rx_pending = bp->rx_ring_size;
6434 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006435 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006436
6437 ering->tx_max_pending = MAX_TX_DESC_CNT;
6438 ering->tx_pending = bp->tx_ring_size;
6439}
6440
6441static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006442bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006443{
Michael Chan13daffa2006-03-20 17:49:20 -08006444 if (netif_running(bp->dev)) {
6445 bnx2_netif_stop(bp);
6446 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6447 bnx2_free_skbs(bp);
6448 bnx2_free_mem(bp);
6449 }
6450
Michael Chan5d5d0012007-12-12 11:17:43 -08006451 bnx2_set_rx_ring_size(bp, rx);
6452 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006453
6454 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006455 int rc;
6456
6457 rc = bnx2_alloc_mem(bp);
6458 if (rc)
6459 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006460 bnx2_init_nic(bp);
6461 bnx2_netif_start(bp);
6462 }
Michael Chanb6016b72005-05-26 13:03:09 -07006463 return 0;
6464}
6465
Michael Chan5d5d0012007-12-12 11:17:43 -08006466static int
6467bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6468{
6469 struct bnx2 *bp = netdev_priv(dev);
6470 int rc;
6471
6472 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6473 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6474 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6475
6476 return -EINVAL;
6477 }
6478 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6479 return rc;
6480}
6481
Michael Chanb6016b72005-05-26 13:03:09 -07006482static void
6483bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6484{
Michael Chan972ec0d2006-01-23 16:12:43 -08006485 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006486
6487 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6488 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6489 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6490}
6491
6492static int
6493bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6494{
Michael Chan972ec0d2006-01-23 16:12:43 -08006495 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006496
6497 bp->req_flow_ctrl = 0;
6498 if (epause->rx_pause)
6499 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6500 if (epause->tx_pause)
6501 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6502
6503 if (epause->autoneg) {
6504 bp->autoneg |= AUTONEG_FLOW_CTRL;
6505 }
6506 else {
6507 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6508 }
6509
Michael Chanc770a652005-08-25 15:38:39 -07006510 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006511
Michael Chan0d8a6572007-07-07 22:49:43 -07006512 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006513
Michael Chanc770a652005-08-25 15:38:39 -07006514 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006515
6516 return 0;
6517}
6518
6519static u32
6520bnx2_get_rx_csum(struct net_device *dev)
6521{
Michael Chan972ec0d2006-01-23 16:12:43 -08006522 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006523
6524 return bp->rx_csum;
6525}
6526
6527static int
6528bnx2_set_rx_csum(struct net_device *dev, u32 data)
6529{
Michael Chan972ec0d2006-01-23 16:12:43 -08006530 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006531
6532 bp->rx_csum = data;
6533 return 0;
6534}
6535
Michael Chanb11d6212006-06-29 12:31:21 -07006536static int
6537bnx2_set_tso(struct net_device *dev, u32 data)
6538{
Michael Chan4666f872007-05-03 13:22:28 -07006539 struct bnx2 *bp = netdev_priv(dev);
6540
6541 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006542 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006543 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6544 dev->features |= NETIF_F_TSO6;
6545 } else
6546 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6547 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006548 return 0;
6549}
6550
Michael Chancea94db2006-06-12 22:16:13 -07006551#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006552
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006553static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006554 char string[ETH_GSTRING_LEN];
6555} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6556 { "rx_bytes" },
6557 { "rx_error_bytes" },
6558 { "tx_bytes" },
6559 { "tx_error_bytes" },
6560 { "rx_ucast_packets" },
6561 { "rx_mcast_packets" },
6562 { "rx_bcast_packets" },
6563 { "tx_ucast_packets" },
6564 { "tx_mcast_packets" },
6565 { "tx_bcast_packets" },
6566 { "tx_mac_errors" },
6567 { "tx_carrier_errors" },
6568 { "rx_crc_errors" },
6569 { "rx_align_errors" },
6570 { "tx_single_collisions" },
6571 { "tx_multi_collisions" },
6572 { "tx_deferred" },
6573 { "tx_excess_collisions" },
6574 { "tx_late_collisions" },
6575 { "tx_total_collisions" },
6576 { "rx_fragments" },
6577 { "rx_jabbers" },
6578 { "rx_undersize_packets" },
6579 { "rx_oversize_packets" },
6580 { "rx_64_byte_packets" },
6581 { "rx_65_to_127_byte_packets" },
6582 { "rx_128_to_255_byte_packets" },
6583 { "rx_256_to_511_byte_packets" },
6584 { "rx_512_to_1023_byte_packets" },
6585 { "rx_1024_to_1522_byte_packets" },
6586 { "rx_1523_to_9022_byte_packets" },
6587 { "tx_64_byte_packets" },
6588 { "tx_65_to_127_byte_packets" },
6589 { "tx_128_to_255_byte_packets" },
6590 { "tx_256_to_511_byte_packets" },
6591 { "tx_512_to_1023_byte_packets" },
6592 { "tx_1024_to_1522_byte_packets" },
6593 { "tx_1523_to_9022_byte_packets" },
6594 { "rx_xon_frames" },
6595 { "rx_xoff_frames" },
6596 { "tx_xon_frames" },
6597 { "tx_xoff_frames" },
6598 { "rx_mac_ctrl_frames" },
6599 { "rx_filtered_packets" },
6600 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006601 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006602};
6603
6604#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6605
Arjan van de Venf71e1302006-03-03 21:33:57 -05006606static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006607 STATS_OFFSET32(stat_IfHCInOctets_hi),
6608 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6609 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6610 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6611 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6612 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6613 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6614 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6615 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6616 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6617 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006618 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6619 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6620 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6621 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6622 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6623 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6624 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6625 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6626 STATS_OFFSET32(stat_EtherStatsCollisions),
6627 STATS_OFFSET32(stat_EtherStatsFragments),
6628 STATS_OFFSET32(stat_EtherStatsJabbers),
6629 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6630 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6631 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6632 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6633 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6634 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6635 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6636 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6637 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6638 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6639 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6640 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6641 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6642 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6643 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6644 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6645 STATS_OFFSET32(stat_XonPauseFramesReceived),
6646 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6647 STATS_OFFSET32(stat_OutXonSent),
6648 STATS_OFFSET32(stat_OutXoffSent),
6649 STATS_OFFSET32(stat_MacControlFramesReceived),
6650 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6651 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006652 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006653};
6654
6655/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6656 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006657 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006658static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006659 8,0,8,8,8,8,8,8,8,8,
6660 4,0,4,4,4,4,4,4,4,4,
6661 4,4,4,4,4,4,4,4,4,4,
6662 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006663 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006664};
6665
Michael Chan5b0c76a2005-11-04 08:45:49 -08006666static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6667 8,0,8,8,8,8,8,8,8,8,
6668 4,4,4,4,4,4,4,4,4,4,
6669 4,4,4,4,4,4,4,4,4,4,
6670 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006671 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006672};
6673
Michael Chanb6016b72005-05-26 13:03:09 -07006674#define BNX2_NUM_TESTS 6
6675
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006676static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006677 char string[ETH_GSTRING_LEN];
6678} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6679 { "register_test (offline)" },
6680 { "memory_test (offline)" },
6681 { "loopback_test (offline)" },
6682 { "nvram_test (online)" },
6683 { "interrupt_test (online)" },
6684 { "link_test (online)" },
6685};
6686
6687static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006688bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006689{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006690 switch (sset) {
6691 case ETH_SS_TEST:
6692 return BNX2_NUM_TESTS;
6693 case ETH_SS_STATS:
6694 return BNX2_NUM_STATS;
6695 default:
6696 return -EOPNOTSUPP;
6697 }
Michael Chanb6016b72005-05-26 13:03:09 -07006698}
6699
6700static void
6701bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6702{
Michael Chan972ec0d2006-01-23 16:12:43 -08006703 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006704
6705 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6706 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006707 int i;
6708
Michael Chanb6016b72005-05-26 13:03:09 -07006709 bnx2_netif_stop(bp);
6710 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6711 bnx2_free_skbs(bp);
6712
6713 if (bnx2_test_registers(bp) != 0) {
6714 buf[0] = 1;
6715 etest->flags |= ETH_TEST_FL_FAILED;
6716 }
6717 if (bnx2_test_memory(bp) != 0) {
6718 buf[1] = 1;
6719 etest->flags |= ETH_TEST_FL_FAILED;
6720 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006721 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006722 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006723
6724 if (!netif_running(bp->dev)) {
6725 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6726 }
6727 else {
6728 bnx2_init_nic(bp);
6729 bnx2_netif_start(bp);
6730 }
6731
6732 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006733 for (i = 0; i < 7; i++) {
6734 if (bp->link_up)
6735 break;
6736 msleep_interruptible(1000);
6737 }
Michael Chanb6016b72005-05-26 13:03:09 -07006738 }
6739
6740 if (bnx2_test_nvram(bp) != 0) {
6741 buf[3] = 1;
6742 etest->flags |= ETH_TEST_FL_FAILED;
6743 }
6744 if (bnx2_test_intr(bp) != 0) {
6745 buf[4] = 1;
6746 etest->flags |= ETH_TEST_FL_FAILED;
6747 }
6748
6749 if (bnx2_test_link(bp) != 0) {
6750 buf[5] = 1;
6751 etest->flags |= ETH_TEST_FL_FAILED;
6752
6753 }
6754}
6755
6756static void
6757bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6758{
6759 switch (stringset) {
6760 case ETH_SS_STATS:
6761 memcpy(buf, bnx2_stats_str_arr,
6762 sizeof(bnx2_stats_str_arr));
6763 break;
6764 case ETH_SS_TEST:
6765 memcpy(buf, bnx2_tests_str_arr,
6766 sizeof(bnx2_tests_str_arr));
6767 break;
6768 }
6769}
6770
Michael Chanb6016b72005-05-26 13:03:09 -07006771static void
6772bnx2_get_ethtool_stats(struct net_device *dev,
6773 struct ethtool_stats *stats, u64 *buf)
6774{
Michael Chan972ec0d2006-01-23 16:12:43 -08006775 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006776 int i;
6777 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006778 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006779
6780 if (hw_stats == NULL) {
6781 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6782 return;
6783 }
6784
Michael Chan5b0c76a2005-11-04 08:45:49 -08006785 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6786 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6787 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6788 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006789 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006790 else
6791 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006792
6793 for (i = 0; i < BNX2_NUM_STATS; i++) {
6794 if (stats_len_arr[i] == 0) {
6795 /* skip this counter */
6796 buf[i] = 0;
6797 continue;
6798 }
6799 if (stats_len_arr[i] == 4) {
6800 /* 4-byte counter */
6801 buf[i] = (u64)
6802 *(hw_stats + bnx2_stats_offset_arr[i]);
6803 continue;
6804 }
6805 /* 8-byte counter */
6806 buf[i] = (((u64) *(hw_stats +
6807 bnx2_stats_offset_arr[i])) << 32) +
6808 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6809 }
6810}
6811
6812static int
6813bnx2_phys_id(struct net_device *dev, u32 data)
6814{
Michael Chan972ec0d2006-01-23 16:12:43 -08006815 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006816 int i;
6817 u32 save;
6818
6819 if (data == 0)
6820 data = 2;
6821
6822 save = REG_RD(bp, BNX2_MISC_CFG);
6823 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6824
6825 for (i = 0; i < (data * 2); i++) {
6826 if ((i % 2) == 0) {
6827 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6828 }
6829 else {
6830 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6831 BNX2_EMAC_LED_1000MB_OVERRIDE |
6832 BNX2_EMAC_LED_100MB_OVERRIDE |
6833 BNX2_EMAC_LED_10MB_OVERRIDE |
6834 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6835 BNX2_EMAC_LED_TRAFFIC);
6836 }
6837 msleep_interruptible(500);
6838 if (signal_pending(current))
6839 break;
6840 }
6841 REG_WR(bp, BNX2_EMAC_LED, 0);
6842 REG_WR(bp, BNX2_MISC_CFG, save);
6843 return 0;
6844}
6845
Michael Chan4666f872007-05-03 13:22:28 -07006846static int
6847bnx2_set_tx_csum(struct net_device *dev, u32 data)
6848{
6849 struct bnx2 *bp = netdev_priv(dev);
6850
6851 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006852 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006853 else
6854 return (ethtool_op_set_tx_csum(dev, data));
6855}
6856
Jeff Garzik7282d492006-09-13 14:30:00 -04006857static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006858 .get_settings = bnx2_get_settings,
6859 .set_settings = bnx2_set_settings,
6860 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006861 .get_regs_len = bnx2_get_regs_len,
6862 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006863 .get_wol = bnx2_get_wol,
6864 .set_wol = bnx2_set_wol,
6865 .nway_reset = bnx2_nway_reset,
6866 .get_link = ethtool_op_get_link,
6867 .get_eeprom_len = bnx2_get_eeprom_len,
6868 .get_eeprom = bnx2_get_eeprom,
6869 .set_eeprom = bnx2_set_eeprom,
6870 .get_coalesce = bnx2_get_coalesce,
6871 .set_coalesce = bnx2_set_coalesce,
6872 .get_ringparam = bnx2_get_ringparam,
6873 .set_ringparam = bnx2_set_ringparam,
6874 .get_pauseparam = bnx2_get_pauseparam,
6875 .set_pauseparam = bnx2_set_pauseparam,
6876 .get_rx_csum = bnx2_get_rx_csum,
6877 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07006878 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07006879 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07006880 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07006881 .self_test = bnx2_self_test,
6882 .get_strings = bnx2_get_strings,
6883 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07006884 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006885 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07006886};
6887
6888/* Called with rtnl_lock */
6889static int
6890bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6891{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006892 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08006893 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006894 int err;
6895
6896 switch(cmd) {
6897 case SIOCGMIIPHY:
6898 data->phy_id = bp->phy_addr;
6899
6900 /* fallthru */
6901 case SIOCGMIIREG: {
6902 u32 mii_regval;
6903
Michael Chan583c28e2008-01-21 19:51:35 -08006904 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006905 return -EOPNOTSUPP;
6906
Michael Chandad3e452007-05-03 13:18:03 -07006907 if (!netif_running(dev))
6908 return -EAGAIN;
6909
Michael Chanc770a652005-08-25 15:38:39 -07006910 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006911 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07006912 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006913
6914 data->val_out = mii_regval;
6915
6916 return err;
6917 }
6918
6919 case SIOCSMIIREG:
6920 if (!capable(CAP_NET_ADMIN))
6921 return -EPERM;
6922
Michael Chan583c28e2008-01-21 19:51:35 -08006923 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07006924 return -EOPNOTSUPP;
6925
Michael Chandad3e452007-05-03 13:18:03 -07006926 if (!netif_running(dev))
6927 return -EAGAIN;
6928
Michael Chanc770a652005-08-25 15:38:39 -07006929 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006930 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07006931 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006932
6933 return err;
6934
6935 default:
6936 /* do nothing */
6937 break;
6938 }
6939 return -EOPNOTSUPP;
6940}
6941
6942/* Called with rtnl_lock */
6943static int
6944bnx2_change_mac_addr(struct net_device *dev, void *p)
6945{
6946 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08006947 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006948
Michael Chan73eef4c2005-08-25 15:39:15 -07006949 if (!is_valid_ether_addr(addr->sa_data))
6950 return -EINVAL;
6951
Michael Chanb6016b72005-05-26 13:03:09 -07006952 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6953 if (netif_running(dev))
6954 bnx2_set_mac_addr(bp);
6955
6956 return 0;
6957}
6958
6959/* Called with rtnl_lock */
6960static int
6961bnx2_change_mtu(struct net_device *dev, int new_mtu)
6962{
Michael Chan972ec0d2006-01-23 16:12:43 -08006963 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006964
6965 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6966 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6967 return -EINVAL;
6968
6969 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08006970 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07006971}
6972
6973#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6974static void
6975poll_bnx2(struct net_device *dev)
6976{
Michael Chan972ec0d2006-01-23 16:12:43 -08006977 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006978
6979 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01006980 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006981 enable_irq(bp->pdev->irq);
6982}
6983#endif
6984
Michael Chan253c8b72007-01-08 19:56:01 -08006985static void __devinit
6986bnx2_get_5709_media(struct bnx2 *bp)
6987{
6988 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6989 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6990 u32 strap;
6991
6992 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6993 return;
6994 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08006995 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08006996 return;
6997 }
6998
6999 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7000 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7001 else
7002 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7003
7004 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7005 switch (strap) {
7006 case 0x4:
7007 case 0x5:
7008 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007009 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007010 return;
7011 }
7012 } else {
7013 switch (strap) {
7014 case 0x1:
7015 case 0x2:
7016 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007017 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007018 return;
7019 }
7020 }
7021}
7022
Michael Chan883e5152007-05-03 13:25:11 -07007023static void __devinit
7024bnx2_get_pci_speed(struct bnx2 *bp)
7025{
7026 u32 reg;
7027
7028 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7029 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7030 u32 clkreg;
7031
David S. Millerf86e82f2008-01-21 17:15:40 -08007032 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007033
7034 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7035
7036 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7037 switch (clkreg) {
7038 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7039 bp->bus_speed_mhz = 133;
7040 break;
7041
7042 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7043 bp->bus_speed_mhz = 100;
7044 break;
7045
7046 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7047 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7048 bp->bus_speed_mhz = 66;
7049 break;
7050
7051 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7052 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7053 bp->bus_speed_mhz = 50;
7054 break;
7055
7056 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7057 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7058 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7059 bp->bus_speed_mhz = 33;
7060 break;
7061 }
7062 }
7063 else {
7064 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7065 bp->bus_speed_mhz = 66;
7066 else
7067 bp->bus_speed_mhz = 33;
7068 }
7069
7070 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007071 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007072
7073}
7074
Michael Chanb6016b72005-05-26 13:03:09 -07007075static int __devinit
7076bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7077{
7078 struct bnx2 *bp;
7079 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007080 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007081 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007082 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007083
Michael Chanb6016b72005-05-26 13:03:09 -07007084 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007085 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007086
7087 bp->flags = 0;
7088 bp->phy_flags = 0;
7089
7090 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7091 rc = pci_enable_device(pdev);
7092 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07007093 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007094 goto err_out;
7095 }
7096
7097 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007098 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007099 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007100 rc = -ENODEV;
7101 goto err_out_disable;
7102 }
7103
7104 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7105 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007106 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007107 goto err_out_disable;
7108 }
7109
7110 pci_set_master(pdev);
7111
7112 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7113 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007114 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007115 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007116 rc = -EIO;
7117 goto err_out_release;
7118 }
7119
Michael Chanb6016b72005-05-26 13:03:09 -07007120 bp->dev = dev;
7121 bp->pdev = pdev;
7122
7123 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007124 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00007125 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007126
7127 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08007128 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007129 dev->mem_end = dev->mem_start + mem_len;
7130 dev->irq = pdev->irq;
7131
7132 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7133
7134 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007135 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007136 rc = -ENOMEM;
7137 goto err_out_release;
7138 }
7139
7140 /* Configure byte swap and enable write to the reg_window registers.
7141 * Rely on CPU to do target byte swapping on big endian systems
7142 * The chip's target access swapping will not swap all accesses
7143 */
7144 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7145 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7146 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7147
Pavel Machek829ca9a2005-09-03 15:56:56 -07007148 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007149
7150 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7151
Michael Chan883e5152007-05-03 13:25:11 -07007152 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7153 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7154 dev_err(&pdev->dev,
7155 "Cannot find PCIE capability, aborting.\n");
7156 rc = -EIO;
7157 goto err_out_unmap;
7158 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007159 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007160 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007161 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007162 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007163 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7164 if (bp->pcix_cap == 0) {
7165 dev_err(&pdev->dev,
7166 "Cannot find PCIX capability, aborting.\n");
7167 rc = -EIO;
7168 goto err_out_unmap;
7169 }
7170 }
7171
Michael Chanb4b36042007-12-20 19:59:30 -08007172 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7173 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007174 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007175 }
7176
Michael Chan8e6a72c2007-05-03 13:24:48 -07007177 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7178 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007179 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007180 }
7181
Michael Chan40453c82007-05-03 13:19:18 -07007182 /* 5708 cannot support DMA addresses > 40-bit. */
7183 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7184 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7185 else
7186 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7187
7188 /* Configure DMA attributes. */
7189 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7190 dev->features |= NETIF_F_HIGHDMA;
7191 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7192 if (rc) {
7193 dev_err(&pdev->dev,
7194 "pci_set_consistent_dma_mask failed, aborting.\n");
7195 goto err_out_unmap;
7196 }
7197 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7198 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7199 goto err_out_unmap;
7200 }
7201
David S. Millerf86e82f2008-01-21 17:15:40 -08007202 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007203 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007204
7205 /* 5706A0 may falsely detect SERR and PERR. */
7206 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7207 reg = REG_RD(bp, PCI_COMMAND);
7208 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7209 REG_WR(bp, PCI_COMMAND, reg);
7210 }
7211 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007212 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007213
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007214 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04007215 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007216 goto err_out_unmap;
7217 }
7218
7219 bnx2_init_nvram(bp);
7220
Michael Chan2726d6e2008-01-29 21:35:05 -08007221 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007222
7223 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007224 BNX2_SHM_HDR_SIGNATURE_SIG) {
7225 u32 off = PCI_FUNC(pdev->devfn) << 2;
7226
Michael Chan2726d6e2008-01-29 21:35:05 -08007227 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007228 } else
Michael Chane3648b32005-11-04 08:51:21 -08007229 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7230
Michael Chanb6016b72005-05-26 13:03:09 -07007231 /* Get the permanent MAC address. First we need to make sure the
7232 * firmware is actually running.
7233 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007234 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007235
7236 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7237 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007238 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007239 rc = -ENODEV;
7240 goto err_out_unmap;
7241 }
7242
Michael Chan2726d6e2008-01-29 21:35:05 -08007243 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007244 for (i = 0, j = 0; i < 3; i++) {
7245 u8 num, k, skip0;
7246
7247 num = (u8) (reg >> (24 - (i * 8)));
7248 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7249 if (num >= k || !skip0 || k == 1) {
7250 bp->fw_version[j++] = (num / k) + '0';
7251 skip0 = 0;
7252 }
7253 }
7254 if (i != 2)
7255 bp->fw_version[j++] = '.';
7256 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007257 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07007258 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7259 bp->wol = 1;
7260
7261 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007262 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07007263
7264 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007265 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07007266 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7267 break;
7268 msleep(10);
7269 }
7270 }
Michael Chan2726d6e2008-01-29 21:35:05 -08007271 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007272 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7273 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7274 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7275 int i;
Michael Chan2726d6e2008-01-29 21:35:05 -08007276 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007277
7278 bp->fw_version[j++] = ' ';
7279 for (i = 0; i < 3; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08007280 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07007281 reg = swab32(reg);
7282 memcpy(&bp->fw_version[j], &reg, 4);
7283 j += 4;
7284 }
7285 }
Michael Chanb6016b72005-05-26 13:03:09 -07007286
Michael Chan2726d6e2008-01-29 21:35:05 -08007287 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07007288 bp->mac_addr[0] = (u8) (reg >> 8);
7289 bp->mac_addr[1] = (u8) reg;
7290
Michael Chan2726d6e2008-01-29 21:35:05 -08007291 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07007292 bp->mac_addr[2] = (u8) (reg >> 24);
7293 bp->mac_addr[3] = (u8) (reg >> 16);
7294 bp->mac_addr[4] = (u8) (reg >> 8);
7295 bp->mac_addr[5] = (u8) reg;
7296
Michael Chan5d5d0012007-12-12 11:17:43 -08007297 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7298
Michael Chanb6016b72005-05-26 13:03:09 -07007299 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07007300 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07007301
7302 bp->rx_csum = 1;
7303
Michael Chanb6016b72005-05-26 13:03:09 -07007304 bp->tx_quick_cons_trip_int = 20;
7305 bp->tx_quick_cons_trip = 20;
7306 bp->tx_ticks_int = 80;
7307 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007308
Michael Chanb6016b72005-05-26 13:03:09 -07007309 bp->rx_quick_cons_trip_int = 6;
7310 bp->rx_quick_cons_trip = 6;
7311 bp->rx_ticks_int = 18;
7312 bp->rx_ticks = 18;
7313
Michael Chan7ea69202007-07-16 18:27:10 -07007314 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007315
7316 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07007317 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07007318
Michael Chan5b0c76a2005-11-04 08:45:49 -08007319 bp->phy_addr = 1;
7320
Michael Chanb6016b72005-05-26 13:03:09 -07007321 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08007322 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7323 bnx2_get_5709_media(bp);
7324 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08007325 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08007326
Michael Chan0d8a6572007-07-07 22:49:43 -07007327 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08007328 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07007329 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08007330 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07007331 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007332 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007333 bp->wol = 0;
7334 }
Michael Chan38ea3682008-02-23 19:48:57 -08007335 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7336 /* Don't do parallel detect on this board because of
7337 * some board problems. The link will not go down
7338 * if we do parallel detect.
7339 */
7340 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7341 pdev->subsystem_device == 0x310c)
7342 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7343 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007344 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007345 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08007346 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007347 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007348 bnx2_init_remote_phy(bp);
7349
Michael Chan261dd5c2007-01-08 19:55:46 -08007350 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7351 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08007352 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007353 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7354 (CHIP_REV(bp) == CHIP_REV_Ax ||
7355 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08007356 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07007357
Michael Chan16088272006-06-12 22:16:43 -07007358 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7359 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007360 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007361 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07007362 bp->wol = 0;
7363 }
Michael Chandda1e392006-01-23 16:08:14 -08007364
Michael Chanb6016b72005-05-26 13:03:09 -07007365 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7366 bp->tx_quick_cons_trip_int =
7367 bp->tx_quick_cons_trip;
7368 bp->tx_ticks_int = bp->tx_ticks;
7369 bp->rx_quick_cons_trip_int =
7370 bp->rx_quick_cons_trip;
7371 bp->rx_ticks_int = bp->rx_ticks;
7372 bp->comp_prod_trip_int = bp->comp_prod_trip;
7373 bp->com_ticks_int = bp->com_ticks;
7374 bp->cmd_ticks_int = bp->cmd_ticks;
7375 }
7376
Michael Chanf9317a42006-09-29 17:06:23 -07007377 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7378 *
7379 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7380 * with byte enables disabled on the unused 32-bit word. This is legal
7381 * but causes problems on the AMD 8132 which will eventually stop
7382 * responding after a while.
7383 *
7384 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007385 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007386 */
7387 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7388 struct pci_dev *amd_8132 = NULL;
7389
7390 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7391 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7392 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007393
Auke Kok44c10132007-06-08 15:46:36 -07007394 if (amd_8132->revision >= 0x10 &&
7395 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007396 disable_msi = 1;
7397 pci_dev_put(amd_8132);
7398 break;
7399 }
7400 }
7401 }
7402
Michael Chandeaf3912007-07-07 22:48:00 -07007403 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007404 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7405
Michael Chancd339a02005-08-25 15:35:24 -07007406 init_timer(&bp->timer);
7407 bp->timer.expires = RUN_AT(bp->timer_interval);
7408 bp->timer.data = (unsigned long) bp;
7409 bp->timer.function = bnx2_timer;
7410
Michael Chanb6016b72005-05-26 13:03:09 -07007411 return 0;
7412
7413err_out_unmap:
7414 if (bp->regview) {
7415 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007416 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007417 }
7418
7419err_out_release:
7420 pci_release_regions(pdev);
7421
7422err_out_disable:
7423 pci_disable_device(pdev);
7424 pci_set_drvdata(pdev, NULL);
7425
7426err_out:
7427 return rc;
7428}
7429
Michael Chan883e5152007-05-03 13:25:11 -07007430static char * __devinit
7431bnx2_bus_string(struct bnx2 *bp, char *str)
7432{
7433 char *s = str;
7434
David S. Millerf86e82f2008-01-21 17:15:40 -08007435 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07007436 s += sprintf(s, "PCI Express");
7437 } else {
7438 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08007439 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07007440 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08007441 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07007442 s += sprintf(s, " 32-bit");
7443 else
7444 s += sprintf(s, " 64-bit");
7445 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7446 }
7447 return str;
7448}
7449
Michael Chan2ba582b2007-12-21 15:04:49 -08007450static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007451bnx2_init_napi(struct bnx2 *bp)
7452{
Michael Chanb4b36042007-12-20 19:59:30 -08007453 int i;
7454 struct bnx2_napi *bnapi;
Michael Chan35efa7c2007-12-20 19:56:37 -08007455
Michael Chanb4b36042007-12-20 19:59:30 -08007456 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7457 bnapi = &bp->bnx2_napi[i];
7458 bnapi->bp = bp;
7459 }
7460 netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
Michael Chan57851d82007-12-20 20:01:44 -08007461 netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7462 64);
Michael Chan35efa7c2007-12-20 19:56:37 -08007463}
7464
7465static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007466bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7467{
7468 static int version_printed = 0;
7469 struct net_device *dev = NULL;
7470 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007471 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007472 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007473 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007474
7475 if (version_printed++ == 0)
7476 printk(KERN_INFO "%s", version);
7477
7478 /* dev zeroed in init_etherdev */
7479 dev = alloc_etherdev(sizeof(*bp));
7480
7481 if (!dev)
7482 return -ENOMEM;
7483
7484 rc = bnx2_init_board(pdev, dev);
7485 if (rc < 0) {
7486 free_netdev(dev);
7487 return rc;
7488 }
7489
7490 dev->open = bnx2_open;
7491 dev->hard_start_xmit = bnx2_start_xmit;
7492 dev->stop = bnx2_close;
7493 dev->get_stats = bnx2_get_stats;
7494 dev->set_multicast_list = bnx2_set_rx_mode;
7495 dev->do_ioctl = bnx2_ioctl;
7496 dev->set_mac_address = bnx2_change_mac_addr;
7497 dev->change_mtu = bnx2_change_mtu;
7498 dev->tx_timeout = bnx2_tx_timeout;
7499 dev->watchdog_timeo = TX_TIMEOUT;
7500#ifdef BCM_VLAN
7501 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007502#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007503 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007504
Michael Chan972ec0d2006-01-23 16:12:43 -08007505 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007506 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007507
7508#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7509 dev->poll_controller = poll_bnx2;
7510#endif
7511
Michael Chan1b2f9222007-05-03 13:20:19 -07007512 pci_set_drvdata(pdev, dev);
7513
7514 memcpy(dev->dev_addr, bp->mac_addr, 6);
7515 memcpy(dev->perm_addr, bp->mac_addr, 6);
7516 bp->name = board_info[ent->driver_data].name;
7517
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007518 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007519 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007520 dev->features |= NETIF_F_IPV6_CSUM;
7521
Michael Chan1b2f9222007-05-03 13:20:19 -07007522#ifdef BCM_VLAN
7523 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7524#endif
7525 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007526 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7527 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007528
Michael Chanb6016b72005-05-26 13:03:09 -07007529 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007530 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007531 if (bp->regview)
7532 iounmap(bp->regview);
7533 pci_release_regions(pdev);
7534 pci_disable_device(pdev);
7535 pci_set_drvdata(pdev, NULL);
7536 free_netdev(dev);
7537 return rc;
7538 }
7539
Michael Chan883e5152007-05-03 13:25:11 -07007540 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007541 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007542 dev->name,
7543 bp->name,
7544 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7545 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007546 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007547 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007548 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007549
Michael Chanb6016b72005-05-26 13:03:09 -07007550 return 0;
7551}
7552
7553static void __devexit
7554bnx2_remove_one(struct pci_dev *pdev)
7555{
7556 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007557 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007558
Michael Chanafdc08b2005-08-25 15:34:29 -07007559 flush_scheduled_work();
7560
Michael Chanb6016b72005-05-26 13:03:09 -07007561 unregister_netdev(dev);
7562
7563 if (bp->regview)
7564 iounmap(bp->regview);
7565
7566 free_netdev(dev);
7567 pci_release_regions(pdev);
7568 pci_disable_device(pdev);
7569 pci_set_drvdata(pdev, NULL);
7570}
7571
7572static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007573bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007574{
7575 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007576 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007577 u32 reset_code;
7578
Michael Chan6caebb02007-08-03 20:57:25 -07007579 /* PCI register 4 needs to be saved whether netif_running() or not.
7580 * MSI address and data need to be saved if using MSI and
7581 * netif_running().
7582 */
7583 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007584 if (!netif_running(dev))
7585 return 0;
7586
Michael Chan1d60290f2006-03-20 17:50:08 -08007587 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007588 bnx2_netif_stop(bp);
7589 netif_device_detach(dev);
7590 del_timer_sync(&bp->timer);
David S. Millerf86e82f2008-01-21 17:15:40 -08007591 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chan6c4f0952006-06-29 12:38:15 -07007592 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007593 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007594 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7595 else
7596 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7597 bnx2_reset_chip(bp, reset_code);
7598 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007599 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007600 return 0;
7601}
7602
7603static int
7604bnx2_resume(struct pci_dev *pdev)
7605{
7606 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007607 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007608
Michael Chan6caebb02007-08-03 20:57:25 -07007609 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007610 if (!netif_running(dev))
7611 return 0;
7612
Pavel Machek829ca9a2005-09-03 15:56:56 -07007613 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007614 netif_device_attach(dev);
7615 bnx2_init_nic(bp);
7616 bnx2_netif_start(bp);
7617 return 0;
7618}
7619
7620static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007621 .name = DRV_MODULE_NAME,
7622 .id_table = bnx2_pci_tbl,
7623 .probe = bnx2_init_one,
7624 .remove = __devexit_p(bnx2_remove_one),
7625 .suspend = bnx2_suspend,
7626 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07007627};
7628
7629static int __init bnx2_init(void)
7630{
Jeff Garzik29917622006-08-19 17:48:59 -04007631 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007632}
7633
7634static void __exit bnx2_cleanup(void)
7635{
7636 pci_unregister_driver(&bnx2_pci_driver);
7637}
7638
7639module_init(bnx2_init);
7640module_exit(bnx2_cleanup);
7641
7642
7643