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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chan72fbaeb2007-05-03 13:25:32 -07003 * Copyright (c) 2004-2007 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 Chana0d142c2007-12-12 11:20:22 -080059#define DRV_MODULE_VERSION "1.7.0"
60#define DRV_MODULE_RELDATE "December 11, 2007"
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
Randy Dunlape19360f2006-04-10 23:22:06 -070067static const 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 */
Arjan van de Venf71e1302006-03-03 21:33:57 -050093static const 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 Chane89bbf12005-08-25 15:36:58 -0700229static inline u32 bnx2_tx_avail(struct bnx2 *bp)
230{
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 */
238 diff = bp->tx_prod - bp->tx_cons;
239 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
269bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
270{
271 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700272 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800273 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
274 int i;
275
276 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
277 REG_WR(bp, BNX2_CTX_CTX_CTRL,
278 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
279 for (i = 0; i < 5; i++) {
280 u32 val;
281 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
282 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
283 break;
284 udelay(5);
285 }
286 } else {
287 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
288 REG_WR(bp, BNX2_CTX_DATA, val);
289 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700290 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700291}
292
293static int
294bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
295{
296 u32 val1;
297 int i, ret;
298
299 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
300 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
301 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
302
303 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
304 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
305
306 udelay(40);
307 }
308
309 val1 = (bp->phy_addr << 21) | (reg << 16) |
310 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
311 BNX2_EMAC_MDIO_COMM_START_BUSY;
312 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
313
314 for (i = 0; i < 50; i++) {
315 udelay(10);
316
317 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
318 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
319 udelay(5);
320
321 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
322 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
323
324 break;
325 }
326 }
327
328 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
329 *val = 0x0;
330 ret = -EBUSY;
331 }
332 else {
333 *val = val1;
334 ret = 0;
335 }
336
337 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
338 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
339 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
340
341 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
342 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
343
344 udelay(40);
345 }
346
347 return ret;
348}
349
350static int
351bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
352{
353 u32 val1;
354 int i, ret;
355
356 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
357 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
358 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
359
360 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
361 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
362
363 udelay(40);
364 }
365
366 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
367 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
368 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
369 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400370
Michael Chanb6016b72005-05-26 13:03:09 -0700371 for (i = 0; i < 50; i++) {
372 udelay(10);
373
374 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
375 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
376 udelay(5);
377 break;
378 }
379 }
380
381 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
382 ret = -EBUSY;
383 else
384 ret = 0;
385
386 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
387 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
388 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
389
390 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
391 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
392
393 udelay(40);
394 }
395
396 return ret;
397}
398
399static void
400bnx2_disable_int(struct bnx2 *bp)
401{
402 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
403 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
404 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
405}
406
407static void
408bnx2_enable_int(struct bnx2 *bp)
409{
Michael Chan35efa7c2007-12-20 19:56:37 -0800410 struct bnx2_napi *bnapi = &bp->bnx2_napi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800411
412 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chan35efa7c2007-12-20 19:56:37 -0800413 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
414 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bnapi->last_status_idx);
415
416 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
417 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700418
Michael Chanbf5295b2006-03-23 01:11:56 -0800419 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700420}
421
422static void
423bnx2_disable_int_sync(struct bnx2 *bp)
424{
425 atomic_inc(&bp->intr_sem);
426 bnx2_disable_int(bp);
427 synchronize_irq(bp->pdev->irq);
428}
429
430static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800431bnx2_napi_disable(struct bnx2 *bp)
432{
433 napi_disable(&bp->bnx2_napi.napi);
434}
435
436static void
437bnx2_napi_enable(struct bnx2 *bp)
438{
439 napi_enable(&bp->bnx2_napi.napi);
440}
441
442static void
Michael Chanb6016b72005-05-26 13:03:09 -0700443bnx2_netif_stop(struct bnx2 *bp)
444{
445 bnx2_disable_int_sync(bp);
446 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800447 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700448 netif_tx_disable(bp->dev);
449 bp->dev->trans_start = jiffies; /* prevent tx timeout */
450 }
451}
452
453static void
454bnx2_netif_start(struct bnx2 *bp)
455{
456 if (atomic_dec_and_test(&bp->intr_sem)) {
457 if (netif_running(bp->dev)) {
458 netif_wake_queue(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800459 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700460 bnx2_enable_int(bp);
461 }
462 }
463}
464
465static void
466bnx2_free_mem(struct bnx2 *bp)
467{
Michael Chan13daffa2006-03-20 17:49:20 -0800468 int i;
469
Michael Chan59b47d82006-11-19 14:10:45 -0800470 for (i = 0; i < bp->ctx_pages; i++) {
471 if (bp->ctx_blk[i]) {
472 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
473 bp->ctx_blk[i],
474 bp->ctx_blk_mapping[i]);
475 bp->ctx_blk[i] = NULL;
476 }
477 }
Michael Chanb6016b72005-05-26 13:03:09 -0700478 if (bp->status_blk) {
Michael Chan0f31f992006-03-23 01:12:38 -0800479 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700480 bp->status_blk, bp->status_blk_mapping);
481 bp->status_blk = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800482 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700483 }
484 if (bp->tx_desc_ring) {
Michael Chane343d552007-12-12 11:16:19 -0800485 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700486 bp->tx_desc_ring, bp->tx_desc_mapping);
487 bp->tx_desc_ring = NULL;
488 }
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400489 kfree(bp->tx_buf_ring);
490 bp->tx_buf_ring = NULL;
Michael Chan13daffa2006-03-20 17:49:20 -0800491 for (i = 0; i < bp->rx_max_ring; i++) {
492 if (bp->rx_desc_ring[i])
Michael Chane343d552007-12-12 11:16:19 -0800493 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800494 bp->rx_desc_ring[i],
495 bp->rx_desc_mapping[i]);
496 bp->rx_desc_ring[i] = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700497 }
Michael Chan13daffa2006-03-20 17:49:20 -0800498 vfree(bp->rx_buf_ring);
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400499 bp->rx_buf_ring = NULL;
Michael Chan47bf4242007-12-12 11:19:12 -0800500 for (i = 0; i < bp->rx_max_pg_ring; i++) {
501 if (bp->rx_pg_desc_ring[i])
502 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
503 bp->rx_pg_desc_ring[i],
504 bp->rx_pg_desc_mapping[i]);
505 bp->rx_pg_desc_ring[i] = NULL;
506 }
507 if (bp->rx_pg_ring)
508 vfree(bp->rx_pg_ring);
509 bp->rx_pg_ring = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700510}
511
512static int
513bnx2_alloc_mem(struct bnx2 *bp)
514{
Michael Chan0f31f992006-03-23 01:12:38 -0800515 int i, status_blk_size;
Michael Chan13daffa2006-03-20 17:49:20 -0800516
Michael Chane343d552007-12-12 11:16:19 -0800517 bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
Michael Chanb6016b72005-05-26 13:03:09 -0700518 if (bp->tx_buf_ring == NULL)
519 return -ENOMEM;
520
Michael Chane343d552007-12-12 11:16:19 -0800521 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700522 &bp->tx_desc_mapping);
523 if (bp->tx_desc_ring == NULL)
524 goto alloc_mem_err;
525
Michael Chane343d552007-12-12 11:16:19 -0800526 bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanb6016b72005-05-26 13:03:09 -0700527 if (bp->rx_buf_ring == NULL)
528 goto alloc_mem_err;
529
Michael Chane343d552007-12-12 11:16:19 -0800530 memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chan13daffa2006-03-20 17:49:20 -0800531
532 for (i = 0; i < bp->rx_max_ring; i++) {
533 bp->rx_desc_ring[i] =
Michael Chane343d552007-12-12 11:16:19 -0800534 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan13daffa2006-03-20 17:49:20 -0800535 &bp->rx_desc_mapping[i]);
536 if (bp->rx_desc_ring[i] == NULL)
537 goto alloc_mem_err;
538
539 }
Michael Chanb6016b72005-05-26 13:03:09 -0700540
Michael Chan47bf4242007-12-12 11:19:12 -0800541 if (bp->rx_pg_ring_size) {
542 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
543 bp->rx_max_pg_ring);
544 if (bp->rx_pg_ring == NULL)
545 goto alloc_mem_err;
546
547 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
548 bp->rx_max_pg_ring);
549 }
550
551 for (i = 0; i < bp->rx_max_pg_ring; i++) {
552 bp->rx_pg_desc_ring[i] =
553 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
554 &bp->rx_pg_desc_mapping[i]);
555 if (bp->rx_pg_desc_ring[i] == NULL)
556 goto alloc_mem_err;
557
558 }
559
Michael Chan0f31f992006-03-23 01:12:38 -0800560 /* Combine status and statistics blocks into one allocation. */
561 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
562 bp->status_stats_size = status_blk_size +
563 sizeof(struct statistics_block);
564
565 bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
Michael Chanb6016b72005-05-26 13:03:09 -0700566 &bp->status_blk_mapping);
567 if (bp->status_blk == NULL)
568 goto alloc_mem_err;
569
Michael Chan0f31f992006-03-23 01:12:38 -0800570 memset(bp->status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700571
Michael Chan35efa7c2007-12-20 19:56:37 -0800572 bp->bnx2_napi.status_blk = bp->status_blk;
573
Michael Chan0f31f992006-03-23 01:12:38 -0800574 bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
575 status_blk_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700576
Michael Chan0f31f992006-03-23 01:12:38 -0800577 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700578
Michael Chan59b47d82006-11-19 14:10:45 -0800579 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
580 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
581 if (bp->ctx_pages == 0)
582 bp->ctx_pages = 1;
583 for (i = 0; i < bp->ctx_pages; i++) {
584 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
585 BCM_PAGE_SIZE,
586 &bp->ctx_blk_mapping[i]);
587 if (bp->ctx_blk[i] == NULL)
588 goto alloc_mem_err;
589 }
590 }
Michael Chanb6016b72005-05-26 13:03:09 -0700591 return 0;
592
593alloc_mem_err:
594 bnx2_free_mem(bp);
595 return -ENOMEM;
596}
597
598static void
Michael Chane3648b32005-11-04 08:51:21 -0800599bnx2_report_fw_link(struct bnx2 *bp)
600{
601 u32 fw_link_status = 0;
602
Michael Chan0d8a6572007-07-07 22:49:43 -0700603 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
604 return;
605
Michael Chane3648b32005-11-04 08:51:21 -0800606 if (bp->link_up) {
607 u32 bmsr;
608
609 switch (bp->line_speed) {
610 case SPEED_10:
611 if (bp->duplex == DUPLEX_HALF)
612 fw_link_status = BNX2_LINK_STATUS_10HALF;
613 else
614 fw_link_status = BNX2_LINK_STATUS_10FULL;
615 break;
616 case SPEED_100:
617 if (bp->duplex == DUPLEX_HALF)
618 fw_link_status = BNX2_LINK_STATUS_100HALF;
619 else
620 fw_link_status = BNX2_LINK_STATUS_100FULL;
621 break;
622 case SPEED_1000:
623 if (bp->duplex == DUPLEX_HALF)
624 fw_link_status = BNX2_LINK_STATUS_1000HALF;
625 else
626 fw_link_status = BNX2_LINK_STATUS_1000FULL;
627 break;
628 case SPEED_2500:
629 if (bp->duplex == DUPLEX_HALF)
630 fw_link_status = BNX2_LINK_STATUS_2500HALF;
631 else
632 fw_link_status = BNX2_LINK_STATUS_2500FULL;
633 break;
634 }
635
636 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
637
638 if (bp->autoneg) {
639 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
640
Michael Chanca58c3a2007-05-03 13:22:52 -0700641 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
642 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800643
644 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
645 bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
646 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
647 else
648 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
649 }
650 }
651 else
652 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
653
654 REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
655}
656
Michael Chan9b1084b2007-07-07 22:50:37 -0700657static char *
658bnx2_xceiver_str(struct bnx2 *bp)
659{
660 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
661 ((bp->phy_flags & PHY_SERDES_FLAG) ? "Remote Copper" :
662 "Copper"));
663}
664
Michael Chane3648b32005-11-04 08:51:21 -0800665static void
Michael Chanb6016b72005-05-26 13:03:09 -0700666bnx2_report_link(struct bnx2 *bp)
667{
668 if (bp->link_up) {
669 netif_carrier_on(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700670 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
671 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700672
673 printk("%d Mbps ", bp->line_speed);
674
675 if (bp->duplex == DUPLEX_FULL)
676 printk("full duplex");
677 else
678 printk("half duplex");
679
680 if (bp->flow_ctrl) {
681 if (bp->flow_ctrl & FLOW_CTRL_RX) {
682 printk(", receive ");
683 if (bp->flow_ctrl & FLOW_CTRL_TX)
684 printk("& transmit ");
685 }
686 else {
687 printk(", transmit ");
688 }
689 printk("flow control ON");
690 }
691 printk("\n");
692 }
693 else {
694 netif_carrier_off(bp->dev);
Michael Chan9b1084b2007-07-07 22:50:37 -0700695 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
696 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -0700697 }
Michael Chane3648b32005-11-04 08:51:21 -0800698
699 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700700}
701
702static void
703bnx2_resolve_flow_ctrl(struct bnx2 *bp)
704{
705 u32 local_adv, remote_adv;
706
707 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400708 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -0700709 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
710
711 if (bp->duplex == DUPLEX_FULL) {
712 bp->flow_ctrl = bp->req_flow_ctrl;
713 }
714 return;
715 }
716
717 if (bp->duplex != DUPLEX_FULL) {
718 return;
719 }
720
Michael Chan5b0c76a2005-11-04 08:45:49 -0800721 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
722 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
723 u32 val;
724
725 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
726 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
727 bp->flow_ctrl |= FLOW_CTRL_TX;
728 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
729 bp->flow_ctrl |= FLOW_CTRL_RX;
730 return;
731 }
732
Michael Chanca58c3a2007-05-03 13:22:52 -0700733 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
734 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700735
736 if (bp->phy_flags & PHY_SERDES_FLAG) {
737 u32 new_local_adv = 0;
738 u32 new_remote_adv = 0;
739
740 if (local_adv & ADVERTISE_1000XPAUSE)
741 new_local_adv |= ADVERTISE_PAUSE_CAP;
742 if (local_adv & ADVERTISE_1000XPSE_ASYM)
743 new_local_adv |= ADVERTISE_PAUSE_ASYM;
744 if (remote_adv & ADVERTISE_1000XPAUSE)
745 new_remote_adv |= ADVERTISE_PAUSE_CAP;
746 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
747 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
748
749 local_adv = new_local_adv;
750 remote_adv = new_remote_adv;
751 }
752
753 /* See Table 28B-3 of 802.3ab-1999 spec. */
754 if (local_adv & ADVERTISE_PAUSE_CAP) {
755 if(local_adv & ADVERTISE_PAUSE_ASYM) {
756 if (remote_adv & ADVERTISE_PAUSE_CAP) {
757 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
758 }
759 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
760 bp->flow_ctrl = FLOW_CTRL_RX;
761 }
762 }
763 else {
764 if (remote_adv & ADVERTISE_PAUSE_CAP) {
765 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
766 }
767 }
768 }
769 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
770 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
771 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
772
773 bp->flow_ctrl = FLOW_CTRL_TX;
774 }
775 }
776}
777
778static int
Michael Chan27a005b2007-05-03 13:23:41 -0700779bnx2_5709s_linkup(struct bnx2 *bp)
780{
781 u32 val, speed;
782
783 bp->link_up = 1;
784
785 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
786 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
787 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
788
789 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
790 bp->line_speed = bp->req_line_speed;
791 bp->duplex = bp->req_duplex;
792 return 0;
793 }
794 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
795 switch (speed) {
796 case MII_BNX2_GP_TOP_AN_SPEED_10:
797 bp->line_speed = SPEED_10;
798 break;
799 case MII_BNX2_GP_TOP_AN_SPEED_100:
800 bp->line_speed = SPEED_100;
801 break;
802 case MII_BNX2_GP_TOP_AN_SPEED_1G:
803 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
804 bp->line_speed = SPEED_1000;
805 break;
806 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
807 bp->line_speed = SPEED_2500;
808 break;
809 }
810 if (val & MII_BNX2_GP_TOP_AN_FD)
811 bp->duplex = DUPLEX_FULL;
812 else
813 bp->duplex = DUPLEX_HALF;
814 return 0;
815}
816
817static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800818bnx2_5708s_linkup(struct bnx2 *bp)
819{
820 u32 val;
821
822 bp->link_up = 1;
823 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
824 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
825 case BCM5708S_1000X_STAT1_SPEED_10:
826 bp->line_speed = SPEED_10;
827 break;
828 case BCM5708S_1000X_STAT1_SPEED_100:
829 bp->line_speed = SPEED_100;
830 break;
831 case BCM5708S_1000X_STAT1_SPEED_1G:
832 bp->line_speed = SPEED_1000;
833 break;
834 case BCM5708S_1000X_STAT1_SPEED_2G5:
835 bp->line_speed = SPEED_2500;
836 break;
837 }
838 if (val & BCM5708S_1000X_STAT1_FD)
839 bp->duplex = DUPLEX_FULL;
840 else
841 bp->duplex = DUPLEX_HALF;
842
843 return 0;
844}
845
846static int
847bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700848{
849 u32 bmcr, local_adv, remote_adv, common;
850
851 bp->link_up = 1;
852 bp->line_speed = SPEED_1000;
853
Michael Chanca58c3a2007-05-03 13:22:52 -0700854 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700855 if (bmcr & BMCR_FULLDPLX) {
856 bp->duplex = DUPLEX_FULL;
857 }
858 else {
859 bp->duplex = DUPLEX_HALF;
860 }
861
862 if (!(bmcr & BMCR_ANENABLE)) {
863 return 0;
864 }
865
Michael Chanca58c3a2007-05-03 13:22:52 -0700866 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
867 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700868
869 common = local_adv & remote_adv;
870 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
871
872 if (common & ADVERTISE_1000XFULL) {
873 bp->duplex = DUPLEX_FULL;
874 }
875 else {
876 bp->duplex = DUPLEX_HALF;
877 }
878 }
879
880 return 0;
881}
882
883static int
884bnx2_copper_linkup(struct bnx2 *bp)
885{
886 u32 bmcr;
887
Michael Chanca58c3a2007-05-03 13:22:52 -0700888 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700889 if (bmcr & BMCR_ANENABLE) {
890 u32 local_adv, remote_adv, common;
891
892 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
893 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
894
895 common = local_adv & (remote_adv >> 2);
896 if (common & ADVERTISE_1000FULL) {
897 bp->line_speed = SPEED_1000;
898 bp->duplex = DUPLEX_FULL;
899 }
900 else if (common & ADVERTISE_1000HALF) {
901 bp->line_speed = SPEED_1000;
902 bp->duplex = DUPLEX_HALF;
903 }
904 else {
Michael Chanca58c3a2007-05-03 13:22:52 -0700905 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
906 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700907
908 common = local_adv & remote_adv;
909 if (common & ADVERTISE_100FULL) {
910 bp->line_speed = SPEED_100;
911 bp->duplex = DUPLEX_FULL;
912 }
913 else if (common & ADVERTISE_100HALF) {
914 bp->line_speed = SPEED_100;
915 bp->duplex = DUPLEX_HALF;
916 }
917 else if (common & ADVERTISE_10FULL) {
918 bp->line_speed = SPEED_10;
919 bp->duplex = DUPLEX_FULL;
920 }
921 else if (common & ADVERTISE_10HALF) {
922 bp->line_speed = SPEED_10;
923 bp->duplex = DUPLEX_HALF;
924 }
925 else {
926 bp->line_speed = 0;
927 bp->link_up = 0;
928 }
929 }
930 }
931 else {
932 if (bmcr & BMCR_SPEED100) {
933 bp->line_speed = SPEED_100;
934 }
935 else {
936 bp->line_speed = SPEED_10;
937 }
938 if (bmcr & BMCR_FULLDPLX) {
939 bp->duplex = DUPLEX_FULL;
940 }
941 else {
942 bp->duplex = DUPLEX_HALF;
943 }
944 }
945
946 return 0;
947}
948
949static int
950bnx2_set_mac_link(struct bnx2 *bp)
951{
952 u32 val;
953
954 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
955 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
956 (bp->duplex == DUPLEX_HALF)) {
957 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
958 }
959
960 /* Configure the EMAC mode register. */
961 val = REG_RD(bp, BNX2_EMAC_MODE);
962
963 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -0800964 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -0800965 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700966
967 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800968 switch (bp->line_speed) {
969 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -0800970 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
971 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -0800972 break;
973 }
974 /* fall through */
975 case SPEED_100:
976 val |= BNX2_EMAC_MODE_PORT_MII;
977 break;
978 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -0800979 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -0800980 /* fall through */
981 case SPEED_1000:
982 val |= BNX2_EMAC_MODE_PORT_GMII;
983 break;
984 }
Michael Chanb6016b72005-05-26 13:03:09 -0700985 }
986 else {
987 val |= BNX2_EMAC_MODE_PORT_GMII;
988 }
989
990 /* Set the MAC to operate in the appropriate duplex mode. */
991 if (bp->duplex == DUPLEX_HALF)
992 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
993 REG_WR(bp, BNX2_EMAC_MODE, val);
994
995 /* Enable/disable rx PAUSE. */
996 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
997
998 if (bp->flow_ctrl & FLOW_CTRL_RX)
999 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1000 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1001
1002 /* Enable/disable tx PAUSE. */
1003 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1004 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1005
1006 if (bp->flow_ctrl & FLOW_CTRL_TX)
1007 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1008 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1009
1010 /* Acknowledge the interrupt. */
1011 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1012
1013 return 0;
1014}
1015
Michael Chan27a005b2007-05-03 13:23:41 -07001016static void
1017bnx2_enable_bmsr1(struct bnx2 *bp)
1018{
1019 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1020 (CHIP_NUM(bp) == CHIP_NUM_5709))
1021 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1022 MII_BNX2_BLK_ADDR_GP_STATUS);
1023}
1024
1025static void
1026bnx2_disable_bmsr1(struct bnx2 *bp)
1027{
1028 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1029 (CHIP_NUM(bp) == CHIP_NUM_5709))
1030 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1031 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1032}
1033
Michael Chanb6016b72005-05-26 13:03:09 -07001034static int
Michael Chan605a9e22007-05-03 13:23:13 -07001035bnx2_test_and_enable_2g5(struct bnx2 *bp)
1036{
1037 u32 up1;
1038 int ret = 1;
1039
1040 if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1041 return 0;
1042
1043 if (bp->autoneg & AUTONEG_SPEED)
1044 bp->advertising |= ADVERTISED_2500baseX_Full;
1045
Michael Chan27a005b2007-05-03 13:23:41 -07001046 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1047 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1048
Michael Chan605a9e22007-05-03 13:23:13 -07001049 bnx2_read_phy(bp, bp->mii_up1, &up1);
1050 if (!(up1 & BCM5708S_UP1_2G5)) {
1051 up1 |= BCM5708S_UP1_2G5;
1052 bnx2_write_phy(bp, bp->mii_up1, up1);
1053 ret = 0;
1054 }
1055
Michael Chan27a005b2007-05-03 13:23:41 -07001056 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1057 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1058 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1059
Michael Chan605a9e22007-05-03 13:23:13 -07001060 return ret;
1061}
1062
1063static int
1064bnx2_test_and_disable_2g5(struct bnx2 *bp)
1065{
1066 u32 up1;
1067 int ret = 0;
1068
1069 if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1070 return 0;
1071
Michael Chan27a005b2007-05-03 13:23:41 -07001072 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1073 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1074
Michael Chan605a9e22007-05-03 13:23:13 -07001075 bnx2_read_phy(bp, bp->mii_up1, &up1);
1076 if (up1 & BCM5708S_UP1_2G5) {
1077 up1 &= ~BCM5708S_UP1_2G5;
1078 bnx2_write_phy(bp, bp->mii_up1, up1);
1079 ret = 1;
1080 }
1081
Michael Chan27a005b2007-05-03 13:23:41 -07001082 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1083 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1084 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1085
Michael Chan605a9e22007-05-03 13:23:13 -07001086 return ret;
1087}
1088
1089static void
1090bnx2_enable_forced_2g5(struct bnx2 *bp)
1091{
1092 u32 bmcr;
1093
1094 if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1095 return;
1096
Michael Chan27a005b2007-05-03 13:23:41 -07001097 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1098 u32 val;
1099
1100 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1101 MII_BNX2_BLK_ADDR_SERDES_DIG);
1102 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1103 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1104 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1105 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1106
1107 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1108 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1109 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1110
1111 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001112 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1113 bmcr |= BCM5708S_BMCR_FORCE_2500;
1114 }
1115
1116 if (bp->autoneg & AUTONEG_SPEED) {
1117 bmcr &= ~BMCR_ANENABLE;
1118 if (bp->req_duplex == DUPLEX_FULL)
1119 bmcr |= BMCR_FULLDPLX;
1120 }
1121 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1122}
1123
1124static void
1125bnx2_disable_forced_2g5(struct bnx2 *bp)
1126{
1127 u32 bmcr;
1128
1129 if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1130 return;
1131
Michael Chan27a005b2007-05-03 13:23:41 -07001132 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1133 u32 val;
1134
1135 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1136 MII_BNX2_BLK_ADDR_SERDES_DIG);
1137 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1138 val &= ~MII_BNX2_SD_MISC1_FORCE;
1139 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1140
1141 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1142 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1143 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1144
1145 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001146 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1147 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1148 }
1149
1150 if (bp->autoneg & AUTONEG_SPEED)
1151 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1152 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1153}
1154
1155static int
Michael Chanb6016b72005-05-26 13:03:09 -07001156bnx2_set_link(struct bnx2 *bp)
1157{
1158 u32 bmsr;
1159 u8 link_up;
1160
Michael Chan80be4432006-11-19 14:07:28 -08001161 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001162 bp->link_up = 1;
1163 return 0;
1164 }
1165
Michael Chan0d8a6572007-07-07 22:49:43 -07001166 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
1167 return 0;
1168
Michael Chanb6016b72005-05-26 13:03:09 -07001169 link_up = bp->link_up;
1170
Michael Chan27a005b2007-05-03 13:23:41 -07001171 bnx2_enable_bmsr1(bp);
1172 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1173 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1174 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001175
1176 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1177 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1178 u32 val;
1179
1180 val = REG_RD(bp, BNX2_EMAC_STATUS);
1181 if (val & BNX2_EMAC_STATUS_LINK)
1182 bmsr |= BMSR_LSTATUS;
1183 else
1184 bmsr &= ~BMSR_LSTATUS;
1185 }
1186
1187 if (bmsr & BMSR_LSTATUS) {
1188 bp->link_up = 1;
1189
1190 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001191 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1192 bnx2_5706s_linkup(bp);
1193 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1194 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001195 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1196 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001197 }
1198 else {
1199 bnx2_copper_linkup(bp);
1200 }
1201 bnx2_resolve_flow_ctrl(bp);
1202 }
1203 else {
1204 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001205 (bp->autoneg & AUTONEG_SPEED))
1206 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001207
Michael Chanb6016b72005-05-26 13:03:09 -07001208 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1209 bp->link_up = 0;
1210 }
1211
1212 if (bp->link_up != link_up) {
1213 bnx2_report_link(bp);
1214 }
1215
1216 bnx2_set_mac_link(bp);
1217
1218 return 0;
1219}
1220
1221static int
1222bnx2_reset_phy(struct bnx2 *bp)
1223{
1224 int i;
1225 u32 reg;
1226
Michael Chanca58c3a2007-05-03 13:22:52 -07001227 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001228
1229#define PHY_RESET_MAX_WAIT 100
1230 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1231 udelay(10);
1232
Michael Chanca58c3a2007-05-03 13:22:52 -07001233 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001234 if (!(reg & BMCR_RESET)) {
1235 udelay(20);
1236 break;
1237 }
1238 }
1239 if (i == PHY_RESET_MAX_WAIT) {
1240 return -EBUSY;
1241 }
1242 return 0;
1243}
1244
1245static u32
1246bnx2_phy_get_pause_adv(struct bnx2 *bp)
1247{
1248 u32 adv = 0;
1249
1250 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1251 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1252
1253 if (bp->phy_flags & PHY_SERDES_FLAG) {
1254 adv = ADVERTISE_1000XPAUSE;
1255 }
1256 else {
1257 adv = ADVERTISE_PAUSE_CAP;
1258 }
1259 }
1260 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1261 if (bp->phy_flags & PHY_SERDES_FLAG) {
1262 adv = ADVERTISE_1000XPSE_ASYM;
1263 }
1264 else {
1265 adv = ADVERTISE_PAUSE_ASYM;
1266 }
1267 }
1268 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1269 if (bp->phy_flags & PHY_SERDES_FLAG) {
1270 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1271 }
1272 else {
1273 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1274 }
1275 }
1276 return adv;
1277}
1278
Michael Chan0d8a6572007-07-07 22:49:43 -07001279static int bnx2_fw_sync(struct bnx2 *, u32, int);
1280
Michael Chanb6016b72005-05-26 13:03:09 -07001281static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001282bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1283{
1284 u32 speed_arg = 0, pause_adv;
1285
1286 pause_adv = bnx2_phy_get_pause_adv(bp);
1287
1288 if (bp->autoneg & AUTONEG_SPEED) {
1289 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1290 if (bp->advertising & ADVERTISED_10baseT_Half)
1291 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1292 if (bp->advertising & ADVERTISED_10baseT_Full)
1293 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1294 if (bp->advertising & ADVERTISED_100baseT_Half)
1295 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1296 if (bp->advertising & ADVERTISED_100baseT_Full)
1297 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1298 if (bp->advertising & ADVERTISED_1000baseT_Full)
1299 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1300 if (bp->advertising & ADVERTISED_2500baseX_Full)
1301 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1302 } else {
1303 if (bp->req_line_speed == SPEED_2500)
1304 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1305 else if (bp->req_line_speed == SPEED_1000)
1306 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1307 else if (bp->req_line_speed == SPEED_100) {
1308 if (bp->req_duplex == DUPLEX_FULL)
1309 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1310 else
1311 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1312 } else if (bp->req_line_speed == SPEED_10) {
1313 if (bp->req_duplex == DUPLEX_FULL)
1314 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1315 else
1316 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1317 }
1318 }
1319
1320 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1321 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1322 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_1000XPSE_ASYM))
1323 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1324
1325 if (port == PORT_TP)
1326 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1327 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1328
1329 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB_ARG0, speed_arg);
1330
1331 spin_unlock_bh(&bp->phy_lock);
1332 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1333 spin_lock_bh(&bp->phy_lock);
1334
1335 return 0;
1336}
1337
1338static int
1339bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001340{
Michael Chan605a9e22007-05-03 13:23:13 -07001341 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001342 u32 new_adv = 0;
1343
Michael Chan0d8a6572007-07-07 22:49:43 -07001344 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
1345 return (bnx2_setup_remote_phy(bp, port));
1346
Michael Chanb6016b72005-05-26 13:03:09 -07001347 if (!(bp->autoneg & AUTONEG_SPEED)) {
1348 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001349 int force_link_down = 0;
1350
Michael Chan605a9e22007-05-03 13:23:13 -07001351 if (bp->req_line_speed == SPEED_2500) {
1352 if (!bnx2_test_and_enable_2g5(bp))
1353 force_link_down = 1;
1354 } else if (bp->req_line_speed == SPEED_1000) {
1355 if (bnx2_test_and_disable_2g5(bp))
1356 force_link_down = 1;
1357 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001358 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001359 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1360
Michael Chanca58c3a2007-05-03 13:22:52 -07001361 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001362 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001363 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001364
Michael Chan27a005b2007-05-03 13:23:41 -07001365 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1366 if (bp->req_line_speed == SPEED_2500)
1367 bnx2_enable_forced_2g5(bp);
1368 else if (bp->req_line_speed == SPEED_1000) {
1369 bnx2_disable_forced_2g5(bp);
1370 new_bmcr &= ~0x2000;
1371 }
1372
1373 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001374 if (bp->req_line_speed == SPEED_2500)
1375 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1376 else
1377 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001378 }
1379
Michael Chanb6016b72005-05-26 13:03:09 -07001380 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001381 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001382 new_bmcr |= BMCR_FULLDPLX;
1383 }
1384 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001385 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001386 new_bmcr &= ~BMCR_FULLDPLX;
1387 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001388 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001389 /* Force a link down visible on the other side */
1390 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001391 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001392 ~(ADVERTISE_1000XFULL |
1393 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001394 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001395 BMCR_ANRESTART | BMCR_ANENABLE);
1396
1397 bp->link_up = 0;
1398 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001399 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001400 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001401 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001402 bnx2_write_phy(bp, bp->mii_adv, adv);
1403 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001404 } else {
1405 bnx2_resolve_flow_ctrl(bp);
1406 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001407 }
1408 return 0;
1409 }
1410
Michael Chan605a9e22007-05-03 13:23:13 -07001411 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001412
Michael Chanb6016b72005-05-26 13:03:09 -07001413 if (bp->advertising & ADVERTISED_1000baseT_Full)
1414 new_adv |= ADVERTISE_1000XFULL;
1415
1416 new_adv |= bnx2_phy_get_pause_adv(bp);
1417
Michael Chanca58c3a2007-05-03 13:22:52 -07001418 bnx2_read_phy(bp, bp->mii_adv, &adv);
1419 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001420
1421 bp->serdes_an_pending = 0;
1422 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1423 /* Force a link down visible on the other side */
1424 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001425 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001426 spin_unlock_bh(&bp->phy_lock);
1427 msleep(20);
1428 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001429 }
1430
Michael Chanca58c3a2007-05-03 13:22:52 -07001431 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1432 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001433 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001434 /* Speed up link-up time when the link partner
1435 * does not autonegotiate which is very common
1436 * in blade servers. Some blade servers use
1437 * IPMI for kerboard input and it's important
1438 * to minimize link disruptions. Autoneg. involves
1439 * exchanging base pages plus 3 next pages and
1440 * normally completes in about 120 msec.
1441 */
1442 bp->current_interval = SERDES_AN_TIMEOUT;
1443 bp->serdes_an_pending = 1;
1444 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001445 } else {
1446 bnx2_resolve_flow_ctrl(bp);
1447 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001448 }
1449
1450 return 0;
1451}
1452
1453#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chandeaf3912007-07-07 22:48:00 -07001454 (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ? \
1455 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1456 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001457
1458#define ETHTOOL_ALL_COPPER_SPEED \
1459 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1460 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1461 ADVERTISED_1000baseT_Full)
1462
1463#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1464 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001465
Michael Chanb6016b72005-05-26 13:03:09 -07001466#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1467
Michael Chandeaf3912007-07-07 22:48:00 -07001468static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001469bnx2_set_default_remote_link(struct bnx2 *bp)
1470{
1471 u32 link;
1472
1473 if (bp->phy_port == PORT_TP)
1474 link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_COPPER_LINK);
1475 else
1476 link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_SERDES_LINK);
1477
1478 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1479 bp->req_line_speed = 0;
1480 bp->autoneg |= AUTONEG_SPEED;
1481 bp->advertising = ADVERTISED_Autoneg;
1482 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1483 bp->advertising |= ADVERTISED_10baseT_Half;
1484 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1485 bp->advertising |= ADVERTISED_10baseT_Full;
1486 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1487 bp->advertising |= ADVERTISED_100baseT_Half;
1488 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1489 bp->advertising |= ADVERTISED_100baseT_Full;
1490 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1491 bp->advertising |= ADVERTISED_1000baseT_Full;
1492 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1493 bp->advertising |= ADVERTISED_2500baseX_Full;
1494 } else {
1495 bp->autoneg = 0;
1496 bp->advertising = 0;
1497 bp->req_duplex = DUPLEX_FULL;
1498 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1499 bp->req_line_speed = SPEED_10;
1500 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1501 bp->req_duplex = DUPLEX_HALF;
1502 }
1503 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1504 bp->req_line_speed = SPEED_100;
1505 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1506 bp->req_duplex = DUPLEX_HALF;
1507 }
1508 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1509 bp->req_line_speed = SPEED_1000;
1510 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1511 bp->req_line_speed = SPEED_2500;
1512 }
1513}
1514
1515static void
Michael Chandeaf3912007-07-07 22:48:00 -07001516bnx2_set_default_link(struct bnx2 *bp)
1517{
Michael Chan0d8a6572007-07-07 22:49:43 -07001518 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
1519 return bnx2_set_default_remote_link(bp);
1520
Michael Chandeaf3912007-07-07 22:48:00 -07001521 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1522 bp->req_line_speed = 0;
1523 if (bp->phy_flags & PHY_SERDES_FLAG) {
1524 u32 reg;
1525
1526 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1527
1528 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
1529 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1530 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1531 bp->autoneg = 0;
1532 bp->req_line_speed = bp->line_speed = SPEED_1000;
1533 bp->req_duplex = DUPLEX_FULL;
1534 }
1535 } else
1536 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1537}
1538
Michael Chan0d8a6572007-07-07 22:49:43 -07001539static void
Michael Chandf149d72007-07-07 22:51:36 -07001540bnx2_send_heart_beat(struct bnx2 *bp)
1541{
1542 u32 msg;
1543 u32 addr;
1544
1545 spin_lock(&bp->indirect_lock);
1546 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1547 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1548 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1549 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1550 spin_unlock(&bp->indirect_lock);
1551}
1552
1553static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001554bnx2_remote_phy_event(struct bnx2 *bp)
1555{
1556 u32 msg;
1557 u8 link_up = bp->link_up;
1558 u8 old_port;
1559
1560 msg = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
1561
Michael Chandf149d72007-07-07 22:51:36 -07001562 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1563 bnx2_send_heart_beat(bp);
1564
1565 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1566
Michael Chan0d8a6572007-07-07 22:49:43 -07001567 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1568 bp->link_up = 0;
1569 else {
1570 u32 speed;
1571
1572 bp->link_up = 1;
1573 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1574 bp->duplex = DUPLEX_FULL;
1575 switch (speed) {
1576 case BNX2_LINK_STATUS_10HALF:
1577 bp->duplex = DUPLEX_HALF;
1578 case BNX2_LINK_STATUS_10FULL:
1579 bp->line_speed = SPEED_10;
1580 break;
1581 case BNX2_LINK_STATUS_100HALF:
1582 bp->duplex = DUPLEX_HALF;
1583 case BNX2_LINK_STATUS_100BASE_T4:
1584 case BNX2_LINK_STATUS_100FULL:
1585 bp->line_speed = SPEED_100;
1586 break;
1587 case BNX2_LINK_STATUS_1000HALF:
1588 bp->duplex = DUPLEX_HALF;
1589 case BNX2_LINK_STATUS_1000FULL:
1590 bp->line_speed = SPEED_1000;
1591 break;
1592 case BNX2_LINK_STATUS_2500HALF:
1593 bp->duplex = DUPLEX_HALF;
1594 case BNX2_LINK_STATUS_2500FULL:
1595 bp->line_speed = SPEED_2500;
1596 break;
1597 default:
1598 bp->line_speed = 0;
1599 break;
1600 }
1601
1602 spin_lock(&bp->phy_lock);
1603 bp->flow_ctrl = 0;
1604 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1605 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1606 if (bp->duplex == DUPLEX_FULL)
1607 bp->flow_ctrl = bp->req_flow_ctrl;
1608 } else {
1609 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1610 bp->flow_ctrl |= FLOW_CTRL_TX;
1611 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1612 bp->flow_ctrl |= FLOW_CTRL_RX;
1613 }
1614
1615 old_port = bp->phy_port;
1616 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1617 bp->phy_port = PORT_FIBRE;
1618 else
1619 bp->phy_port = PORT_TP;
1620
1621 if (old_port != bp->phy_port)
1622 bnx2_set_default_link(bp);
1623
1624 spin_unlock(&bp->phy_lock);
1625 }
1626 if (bp->link_up != link_up)
1627 bnx2_report_link(bp);
1628
1629 bnx2_set_mac_link(bp);
1630}
1631
1632static int
1633bnx2_set_remote_link(struct bnx2 *bp)
1634{
1635 u32 evt_code;
1636
1637 evt_code = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_EVT_CODE_MB);
1638 switch (evt_code) {
1639 case BNX2_FW_EVT_CODE_LINK_EVENT:
1640 bnx2_remote_phy_event(bp);
1641 break;
1642 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1643 default:
Michael Chandf149d72007-07-07 22:51:36 -07001644 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07001645 break;
1646 }
1647 return 0;
1648}
1649
Michael Chanb6016b72005-05-26 13:03:09 -07001650static int
1651bnx2_setup_copper_phy(struct bnx2 *bp)
1652{
1653 u32 bmcr;
1654 u32 new_bmcr;
1655
Michael Chanca58c3a2007-05-03 13:22:52 -07001656 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001657
1658 if (bp->autoneg & AUTONEG_SPEED) {
1659 u32 adv_reg, adv1000_reg;
1660 u32 new_adv_reg = 0;
1661 u32 new_adv1000_reg = 0;
1662
Michael Chanca58c3a2007-05-03 13:22:52 -07001663 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001664 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1665 ADVERTISE_PAUSE_ASYM);
1666
1667 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1668 adv1000_reg &= PHY_ALL_1000_SPEED;
1669
1670 if (bp->advertising & ADVERTISED_10baseT_Half)
1671 new_adv_reg |= ADVERTISE_10HALF;
1672 if (bp->advertising & ADVERTISED_10baseT_Full)
1673 new_adv_reg |= ADVERTISE_10FULL;
1674 if (bp->advertising & ADVERTISED_100baseT_Half)
1675 new_adv_reg |= ADVERTISE_100HALF;
1676 if (bp->advertising & ADVERTISED_100baseT_Full)
1677 new_adv_reg |= ADVERTISE_100FULL;
1678 if (bp->advertising & ADVERTISED_1000baseT_Full)
1679 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001680
Michael Chanb6016b72005-05-26 13:03:09 -07001681 new_adv_reg |= ADVERTISE_CSMA;
1682
1683 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1684
1685 if ((adv1000_reg != new_adv1000_reg) ||
1686 (adv_reg != new_adv_reg) ||
1687 ((bmcr & BMCR_ANENABLE) == 0)) {
1688
Michael Chanca58c3a2007-05-03 13:22:52 -07001689 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001690 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07001691 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001692 BMCR_ANENABLE);
1693 }
1694 else if (bp->link_up) {
1695 /* Flow ctrl may have changed from auto to forced */
1696 /* or vice-versa. */
1697
1698 bnx2_resolve_flow_ctrl(bp);
1699 bnx2_set_mac_link(bp);
1700 }
1701 return 0;
1702 }
1703
1704 new_bmcr = 0;
1705 if (bp->req_line_speed == SPEED_100) {
1706 new_bmcr |= BMCR_SPEED100;
1707 }
1708 if (bp->req_duplex == DUPLEX_FULL) {
1709 new_bmcr |= BMCR_FULLDPLX;
1710 }
1711 if (new_bmcr != bmcr) {
1712 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07001713
Michael Chanca58c3a2007-05-03 13:22:52 -07001714 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1715 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001716
Michael Chanb6016b72005-05-26 13:03:09 -07001717 if (bmsr & BMSR_LSTATUS) {
1718 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07001719 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08001720 spin_unlock_bh(&bp->phy_lock);
1721 msleep(50);
1722 spin_lock_bh(&bp->phy_lock);
1723
Michael Chanca58c3a2007-05-03 13:22:52 -07001724 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1725 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07001726 }
1727
Michael Chanca58c3a2007-05-03 13:22:52 -07001728 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001729
1730 /* Normally, the new speed is setup after the link has
1731 * gone down and up again. In some cases, link will not go
1732 * down so we need to set up the new speed here.
1733 */
1734 if (bmsr & BMSR_LSTATUS) {
1735 bp->line_speed = bp->req_line_speed;
1736 bp->duplex = bp->req_duplex;
1737 bnx2_resolve_flow_ctrl(bp);
1738 bnx2_set_mac_link(bp);
1739 }
Michael Chan27a005b2007-05-03 13:23:41 -07001740 } else {
1741 bnx2_resolve_flow_ctrl(bp);
1742 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001743 }
1744 return 0;
1745}
1746
1747static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001748bnx2_setup_phy(struct bnx2 *bp, u8 port)
Michael Chanb6016b72005-05-26 13:03:09 -07001749{
1750 if (bp->loopback == MAC_LOOPBACK)
1751 return 0;
1752
1753 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan0d8a6572007-07-07 22:49:43 -07001754 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07001755 }
1756 else {
1757 return (bnx2_setup_copper_phy(bp));
1758 }
1759}
1760
1761static int
Michael Chan27a005b2007-05-03 13:23:41 -07001762bnx2_init_5709s_phy(struct bnx2 *bp)
1763{
1764 u32 val;
1765
1766 bp->mii_bmcr = MII_BMCR + 0x10;
1767 bp->mii_bmsr = MII_BMSR + 0x10;
1768 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1769 bp->mii_adv = MII_ADVERTISE + 0x10;
1770 bp->mii_lpa = MII_LPA + 0x10;
1771 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1772
1773 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1774 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1775
1776 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1777 bnx2_reset_phy(bp);
1778
1779 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1780
1781 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1782 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1783 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1784 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1785
1786 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1787 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1788 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
1789 val |= BCM5708S_UP1_2G5;
1790 else
1791 val &= ~BCM5708S_UP1_2G5;
1792 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1793
1794 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1795 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1796 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1797 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1798
1799 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1800
1801 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1802 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1803 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1804
1805 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1806
1807 return 0;
1808}
1809
1810static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001811bnx2_init_5708s_phy(struct bnx2 *bp)
1812{
1813 u32 val;
1814
Michael Chan27a005b2007-05-03 13:23:41 -07001815 bnx2_reset_phy(bp);
1816
1817 bp->mii_up1 = BCM5708S_UP1;
1818
Michael Chan5b0c76a2005-11-04 08:45:49 -08001819 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1820 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1821 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1822
1823 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1824 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1825 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1826
1827 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1828 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1829 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1830
1831 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1832 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1833 val |= BCM5708S_UP1_2G5;
1834 bnx2_write_phy(bp, BCM5708S_UP1, val);
1835 }
1836
1837 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08001838 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1839 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001840 /* increase tx signal amplitude */
1841 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1842 BCM5708S_BLK_ADDR_TX_MISC);
1843 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1844 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1845 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1846 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1847 }
1848
Michael Chane3648b32005-11-04 08:51:21 -08001849 val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001850 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1851
1852 if (val) {
1853 u32 is_backplane;
1854
Michael Chane3648b32005-11-04 08:51:21 -08001855 is_backplane = REG_RD_IND(bp, bp->shmem_base +
Michael Chan5b0c76a2005-11-04 08:45:49 -08001856 BNX2_SHARED_HW_CFG_CONFIG);
1857 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1858 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1859 BCM5708S_BLK_ADDR_TX_MISC);
1860 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1861 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1862 BCM5708S_BLK_ADDR_DIG);
1863 }
1864 }
1865 return 0;
1866}
1867
1868static int
1869bnx2_init_5706s_phy(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001870{
Michael Chan27a005b2007-05-03 13:23:41 -07001871 bnx2_reset_phy(bp);
1872
Michael Chanb6016b72005-05-26 13:03:09 -07001873 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1874
Michael Chan59b47d82006-11-19 14:10:45 -08001875 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1876 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07001877
1878 if (bp->dev->mtu > 1500) {
1879 u32 val;
1880
1881 /* Set extended packet length bit */
1882 bnx2_write_phy(bp, 0x18, 0x7);
1883 bnx2_read_phy(bp, 0x18, &val);
1884 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1885
1886 bnx2_write_phy(bp, 0x1c, 0x6c00);
1887 bnx2_read_phy(bp, 0x1c, &val);
1888 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1889 }
1890 else {
1891 u32 val;
1892
1893 bnx2_write_phy(bp, 0x18, 0x7);
1894 bnx2_read_phy(bp, 0x18, &val);
1895 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1896
1897 bnx2_write_phy(bp, 0x1c, 0x6c00);
1898 bnx2_read_phy(bp, 0x1c, &val);
1899 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1900 }
1901
1902 return 0;
1903}
1904
1905static int
1906bnx2_init_copper_phy(struct bnx2 *bp)
1907{
Michael Chan5b0c76a2005-11-04 08:45:49 -08001908 u32 val;
1909
Michael Chan27a005b2007-05-03 13:23:41 -07001910 bnx2_reset_phy(bp);
1911
Michael Chanb6016b72005-05-26 13:03:09 -07001912 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1913 bnx2_write_phy(bp, 0x18, 0x0c00);
1914 bnx2_write_phy(bp, 0x17, 0x000a);
1915 bnx2_write_phy(bp, 0x15, 0x310b);
1916 bnx2_write_phy(bp, 0x17, 0x201f);
1917 bnx2_write_phy(bp, 0x15, 0x9506);
1918 bnx2_write_phy(bp, 0x17, 0x401f);
1919 bnx2_write_phy(bp, 0x15, 0x14e2);
1920 bnx2_write_phy(bp, 0x18, 0x0400);
1921 }
1922
Michael Chanb659f442007-02-02 00:46:35 -08001923 if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
1924 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
1925 MII_BNX2_DSP_EXPAND_REG | 0x8);
1926 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1927 val &= ~(1 << 8);
1928 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
1929 }
1930
Michael Chanb6016b72005-05-26 13:03:09 -07001931 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07001932 /* Set extended packet length bit */
1933 bnx2_write_phy(bp, 0x18, 0x7);
1934 bnx2_read_phy(bp, 0x18, &val);
1935 bnx2_write_phy(bp, 0x18, val | 0x4000);
1936
1937 bnx2_read_phy(bp, 0x10, &val);
1938 bnx2_write_phy(bp, 0x10, val | 0x1);
1939 }
1940 else {
Michael Chanb6016b72005-05-26 13:03:09 -07001941 bnx2_write_phy(bp, 0x18, 0x7);
1942 bnx2_read_phy(bp, 0x18, &val);
1943 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1944
1945 bnx2_read_phy(bp, 0x10, &val);
1946 bnx2_write_phy(bp, 0x10, val & ~0x1);
1947 }
1948
Michael Chan5b0c76a2005-11-04 08:45:49 -08001949 /* ethernet@wirespeed */
1950 bnx2_write_phy(bp, 0x18, 0x7007);
1951 bnx2_read_phy(bp, 0x18, &val);
1952 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07001953 return 0;
1954}
1955
1956
1957static int
1958bnx2_init_phy(struct bnx2 *bp)
1959{
1960 u32 val;
1961 int rc = 0;
1962
1963 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1964 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1965
Michael Chanca58c3a2007-05-03 13:22:52 -07001966 bp->mii_bmcr = MII_BMCR;
1967 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07001968 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07001969 bp->mii_adv = MII_ADVERTISE;
1970 bp->mii_lpa = MII_LPA;
1971
Michael Chanb6016b72005-05-26 13:03:09 -07001972 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1973
Michael Chan0d8a6572007-07-07 22:49:43 -07001974 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
1975 goto setup_phy;
1976
Michael Chanb6016b72005-05-26 13:03:09 -07001977 bnx2_read_phy(bp, MII_PHYSID1, &val);
1978 bp->phy_id = val << 16;
1979 bnx2_read_phy(bp, MII_PHYSID2, &val);
1980 bp->phy_id |= val & 0xffff;
1981
1982 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001983 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1984 rc = bnx2_init_5706s_phy(bp);
1985 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1986 rc = bnx2_init_5708s_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001987 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1988 rc = bnx2_init_5709s_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001989 }
1990 else {
1991 rc = bnx2_init_copper_phy(bp);
1992 }
1993
Michael Chan0d8a6572007-07-07 22:49:43 -07001994setup_phy:
1995 if (!rc)
1996 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07001997
1998 return rc;
1999}
2000
2001static int
2002bnx2_set_mac_loopback(struct bnx2 *bp)
2003{
2004 u32 mac_mode;
2005
2006 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2007 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2008 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2009 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2010 bp->link_up = 1;
2011 return 0;
2012}
2013
Michael Chanbc5a0692006-01-23 16:13:22 -08002014static int bnx2_test_link(struct bnx2 *);
2015
2016static int
2017bnx2_set_phy_loopback(struct bnx2 *bp)
2018{
2019 u32 mac_mode;
2020 int rc, i;
2021
2022 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002023 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002024 BMCR_SPEED1000);
2025 spin_unlock_bh(&bp->phy_lock);
2026 if (rc)
2027 return rc;
2028
2029 for (i = 0; i < 10; i++) {
2030 if (bnx2_test_link(bp) == 0)
2031 break;
Michael Chan80be4432006-11-19 14:07:28 -08002032 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002033 }
2034
2035 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2036 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2037 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002038 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002039
2040 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2041 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2042 bp->link_up = 1;
2043 return 0;
2044}
2045
Michael Chanb6016b72005-05-26 13:03:09 -07002046static int
Michael Chanb090ae22006-01-23 16:07:10 -08002047bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002048{
2049 int i;
2050 u32 val;
2051
Michael Chanb6016b72005-05-26 13:03:09 -07002052 bp->fw_wr_seq++;
2053 msg_data |= bp->fw_wr_seq;
2054
Michael Chane3648b32005-11-04 08:51:21 -08002055 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002056
2057 /* wait for an acknowledgement. */
Michael Chanb090ae22006-01-23 16:07:10 -08002058 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2059 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002060
Michael Chane3648b32005-11-04 08:51:21 -08002061 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002062
2063 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2064 break;
2065 }
Michael Chanb090ae22006-01-23 16:07:10 -08002066 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2067 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002068
2069 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002070 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2071 if (!silent)
2072 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2073 "%x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002074
2075 msg_data &= ~BNX2_DRV_MSG_CODE;
2076 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2077
Michael Chane3648b32005-11-04 08:51:21 -08002078 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002079
Michael Chanb6016b72005-05-26 13:03:09 -07002080 return -EBUSY;
2081 }
2082
Michael Chanb090ae22006-01-23 16:07:10 -08002083 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2084 return -EIO;
2085
Michael Chanb6016b72005-05-26 13:03:09 -07002086 return 0;
2087}
2088
Michael Chan59b47d82006-11-19 14:10:45 -08002089static int
2090bnx2_init_5709_context(struct bnx2 *bp)
2091{
2092 int i, ret = 0;
2093 u32 val;
2094
2095 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2096 val |= (BCM_PAGE_BITS - 8) << 16;
2097 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002098 for (i = 0; i < 10; i++) {
2099 val = REG_RD(bp, BNX2_CTX_COMMAND);
2100 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2101 break;
2102 udelay(2);
2103 }
2104 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2105 return -EBUSY;
2106
Michael Chan59b47d82006-11-19 14:10:45 -08002107 for (i = 0; i < bp->ctx_pages; i++) {
2108 int j;
2109
2110 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2111 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2112 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2113 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2114 (u64) bp->ctx_blk_mapping[i] >> 32);
2115 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2116 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2117 for (j = 0; j < 10; j++) {
2118
2119 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2120 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2121 break;
2122 udelay(5);
2123 }
2124 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2125 ret = -EBUSY;
2126 break;
2127 }
2128 }
2129 return ret;
2130}
2131
Michael Chanb6016b72005-05-26 13:03:09 -07002132static void
2133bnx2_init_context(struct bnx2 *bp)
2134{
2135 u32 vcid;
2136
2137 vcid = 96;
2138 while (vcid) {
2139 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002140 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002141
2142 vcid--;
2143
2144 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2145 u32 new_vcid;
2146
2147 vcid_addr = GET_PCID_ADDR(vcid);
2148 if (vcid & 0x8) {
2149 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2150 }
2151 else {
2152 new_vcid = vcid;
2153 }
2154 pcid_addr = GET_PCID_ADDR(new_vcid);
2155 }
2156 else {
2157 vcid_addr = GET_CID_ADDR(vcid);
2158 pcid_addr = vcid_addr;
2159 }
2160
Michael Chan7947b202007-06-04 21:17:10 -07002161 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2162 vcid_addr += (i << PHY_CTX_SHIFT);
2163 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002164
Michael Chan5d5d0012007-12-12 11:17:43 -08002165 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002166 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2167
2168 /* Zero out the context. */
2169 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan5d5d0012007-12-12 11:17:43 -08002170 CTX_WR(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002171 }
Michael Chanb6016b72005-05-26 13:03:09 -07002172 }
2173}
2174
2175static int
2176bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2177{
2178 u16 *good_mbuf;
2179 u32 good_mbuf_cnt;
2180 u32 val;
2181
2182 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2183 if (good_mbuf == NULL) {
2184 printk(KERN_ERR PFX "Failed to allocate memory in "
2185 "bnx2_alloc_bad_rbuf\n");
2186 return -ENOMEM;
2187 }
2188
2189 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2190 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2191
2192 good_mbuf_cnt = 0;
2193
2194 /* Allocate a bunch of mbufs and save the good ones in an array. */
2195 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
2196 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2197 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
2198
2199 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
2200
2201 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2202
2203 /* The addresses with Bit 9 set are bad memory blocks. */
2204 if (!(val & (1 << 9))) {
2205 good_mbuf[good_mbuf_cnt] = (u16) val;
2206 good_mbuf_cnt++;
2207 }
2208
2209 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
2210 }
2211
2212 /* Free the good ones back to the mbuf pool thus discarding
2213 * all the bad ones. */
2214 while (good_mbuf_cnt) {
2215 good_mbuf_cnt--;
2216
2217 val = good_mbuf[good_mbuf_cnt];
2218 val = (val << 9) | val | 1;
2219
2220 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
2221 }
2222 kfree(good_mbuf);
2223 return 0;
2224}
2225
2226static void
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002227bnx2_set_mac_addr(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07002228{
2229 u32 val;
2230 u8 *mac_addr = bp->dev->dev_addr;
2231
2232 val = (mac_addr[0] << 8) | mac_addr[1];
2233
2234 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2235
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002236 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002237 (mac_addr[4] << 8) | mac_addr[5];
2238
2239 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2240}
2241
2242static inline int
Michael Chan47bf4242007-12-12 11:19:12 -08002243bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2244{
2245 dma_addr_t mapping;
2246 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2247 struct rx_bd *rxbd =
2248 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2249 struct page *page = alloc_page(GFP_ATOMIC);
2250
2251 if (!page)
2252 return -ENOMEM;
2253 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2254 PCI_DMA_FROMDEVICE);
2255 rx_pg->page = page;
2256 pci_unmap_addr_set(rx_pg, mapping, mapping);
2257 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2258 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2259 return 0;
2260}
2261
2262static void
2263bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2264{
2265 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2266 struct page *page = rx_pg->page;
2267
2268 if (!page)
2269 return;
2270
2271 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2272 PCI_DMA_FROMDEVICE);
2273
2274 __free_page(page);
2275 rx_pg->page = NULL;
2276}
2277
2278static inline int
Michael Chanb6016b72005-05-26 13:03:09 -07002279bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
2280{
2281 struct sk_buff *skb;
2282 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2283 dma_addr_t mapping;
Michael Chan13daffa2006-03-20 17:49:20 -08002284 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002285 unsigned long align;
2286
Michael Chan932f3772006-08-15 01:39:36 -07002287 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002288 if (skb == NULL) {
2289 return -ENOMEM;
2290 }
2291
Michael Chan59b47d82006-11-19 14:10:45 -08002292 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2293 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002294
Michael Chanb6016b72005-05-26 13:03:09 -07002295 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2296 PCI_DMA_FROMDEVICE);
2297
2298 rx_buf->skb = skb;
2299 pci_unmap_addr_set(rx_buf, mapping, mapping);
2300
2301 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2302 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2303
2304 bp->rx_prod_bseq += bp->rx_buf_use_size;
2305
2306 return 0;
2307}
2308
Michael Chanda3e4fb2007-05-03 13:24:23 -07002309static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002310bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002311{
Michael Chan35efa7c2007-12-20 19:56:37 -08002312 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002313 u32 new_link_state, old_link_state;
2314 int is_set = 1;
2315
2316 new_link_state = sblk->status_attn_bits & event;
2317 old_link_state = sblk->status_attn_bits_ack & event;
2318 if (new_link_state != old_link_state) {
2319 if (new_link_state)
2320 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2321 else
2322 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2323 } else
2324 is_set = 0;
2325
2326 return is_set;
2327}
2328
Michael Chanb6016b72005-05-26 13:03:09 -07002329static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002330bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002331{
Michael Chan35efa7c2007-12-20 19:56:37 -08002332 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
Michael Chanda3e4fb2007-05-03 13:24:23 -07002333 spin_lock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07002334 bnx2_set_link(bp);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002335 spin_unlock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07002336 }
Michael Chan35efa7c2007-12-20 19:56:37 -08002337 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002338 bnx2_set_remote_link(bp);
2339
Michael Chanb6016b72005-05-26 13:03:09 -07002340}
2341
Michael Chanead72702007-12-20 19:55:39 -08002342static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002343bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002344{
2345 u16 cons;
2346
Michael Chan35efa7c2007-12-20 19:56:37 -08002347 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
Michael Chanead72702007-12-20 19:55:39 -08002348
2349 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2350 cons++;
2351 return cons;
2352}
2353
Michael Chanb6016b72005-05-26 13:03:09 -07002354static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002355bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002356{
2357 u16 hw_cons, sw_cons, sw_ring_cons;
2358 int tx_free_bd = 0;
2359
Michael Chan35efa7c2007-12-20 19:56:37 -08002360 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002361 sw_cons = bp->tx_cons;
2362
2363 while (sw_cons != hw_cons) {
2364 struct sw_bd *tx_buf;
2365 struct sk_buff *skb;
2366 int i, last;
2367
2368 sw_ring_cons = TX_RING_IDX(sw_cons);
2369
2370 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2371 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002372
Michael Chanb6016b72005-05-26 13:03:09 -07002373 /* partial BD completions possible with TSO packets */
Herbert Xu89114af2006-07-08 13:34:32 -07002374 if (skb_is_gso(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002375 u16 last_idx, last_ring_idx;
2376
2377 last_idx = sw_cons +
2378 skb_shinfo(skb)->nr_frags + 1;
2379 last_ring_idx = sw_ring_cons +
2380 skb_shinfo(skb)->nr_frags + 1;
2381 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2382 last_idx++;
2383 }
2384 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2385 break;
2386 }
2387 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002388
Michael Chanb6016b72005-05-26 13:03:09 -07002389 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2390 skb_headlen(skb), PCI_DMA_TODEVICE);
2391
2392 tx_buf->skb = NULL;
2393 last = skb_shinfo(skb)->nr_frags;
2394
2395 for (i = 0; i < last; i++) {
2396 sw_cons = NEXT_TX_BD(sw_cons);
2397
2398 pci_unmap_page(bp->pdev,
2399 pci_unmap_addr(
2400 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2401 mapping),
2402 skb_shinfo(skb)->frags[i].size,
2403 PCI_DMA_TODEVICE);
2404 }
2405
2406 sw_cons = NEXT_TX_BD(sw_cons);
2407
2408 tx_free_bd += last + 1;
2409
Michael Chan745720e2006-06-29 12:37:41 -07002410 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002411
Michael Chan35efa7c2007-12-20 19:56:37 -08002412 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002413 }
2414
Michael Chanead72702007-12-20 19:55:39 -08002415 bp->hw_tx_cons = hw_cons;
Michael Chane89bbf12005-08-25 15:36:58 -07002416 bp->tx_cons = sw_cons;
Michael Chan2f8af122006-08-15 01:39:10 -07002417 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2418 * before checking for netif_queue_stopped(). Without the
2419 * memory barrier, there is a small possibility that bnx2_start_xmit()
2420 * will miss it and cause the queue to be stopped forever.
2421 */
2422 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002423
Michael Chan2f8af122006-08-15 01:39:10 -07002424 if (unlikely(netif_queue_stopped(bp->dev)) &&
2425 (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
2426 netif_tx_lock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002427 if ((netif_queue_stopped(bp->dev)) &&
Michael Chan2f8af122006-08-15 01:39:10 -07002428 (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
Michael Chanb6016b72005-05-26 13:03:09 -07002429 netif_wake_queue(bp->dev);
Michael Chan2f8af122006-08-15 01:39:10 -07002430 netif_tx_unlock(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002431 }
Michael Chanb6016b72005-05-26 13:03:09 -07002432}
2433
Michael Chan1db82f22007-12-12 11:19:35 -08002434static void
2435bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct sk_buff *skb, int count)
2436{
2437 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2438 struct rx_bd *cons_bd, *prod_bd;
2439 dma_addr_t mapping;
2440 int i;
2441 u16 hw_prod = bp->rx_pg_prod, prod;
2442 u16 cons = bp->rx_pg_cons;
2443
2444 for (i = 0; i < count; i++) {
2445 prod = RX_PG_RING_IDX(hw_prod);
2446
2447 prod_rx_pg = &bp->rx_pg_ring[prod];
2448 cons_rx_pg = &bp->rx_pg_ring[cons];
2449 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2450 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2451
2452 if (i == 0 && skb) {
2453 struct page *page;
2454 struct skb_shared_info *shinfo;
2455
2456 shinfo = skb_shinfo(skb);
2457 shinfo->nr_frags--;
2458 page = shinfo->frags[shinfo->nr_frags].page;
2459 shinfo->frags[shinfo->nr_frags].page = NULL;
2460 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2461 PCI_DMA_FROMDEVICE);
2462 cons_rx_pg->page = page;
2463 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2464 dev_kfree_skb(skb);
2465 }
2466 if (prod != cons) {
2467 prod_rx_pg->page = cons_rx_pg->page;
2468 cons_rx_pg->page = NULL;
2469 pci_unmap_addr_set(prod_rx_pg, mapping,
2470 pci_unmap_addr(cons_rx_pg, mapping));
2471
2472 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2473 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2474
2475 }
2476 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2477 hw_prod = NEXT_RX_BD(hw_prod);
2478 }
2479 bp->rx_pg_prod = hw_prod;
2480 bp->rx_pg_cons = cons;
2481}
2482
Michael Chanb6016b72005-05-26 13:03:09 -07002483static inline void
2484bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
2485 u16 cons, u16 prod)
2486{
Michael Chan236b6392006-03-20 17:49:02 -08002487 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2488 struct rx_bd *cons_bd, *prod_bd;
2489
2490 cons_rx_buf = &bp->rx_buf_ring[cons];
2491 prod_rx_buf = &bp->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002492
2493 pci_dma_sync_single_for_device(bp->pdev,
2494 pci_unmap_addr(cons_rx_buf, mapping),
2495 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2496
Michael Chan236b6392006-03-20 17:49:02 -08002497 bp->rx_prod_bseq += bp->rx_buf_use_size;
2498
2499 prod_rx_buf->skb = skb;
2500
2501 if (cons == prod)
2502 return;
2503
Michael Chanb6016b72005-05-26 13:03:09 -07002504 pci_unmap_addr_set(prod_rx_buf, mapping,
2505 pci_unmap_addr(cons_rx_buf, mapping));
2506
Michael Chan3fdfcc22006-03-20 17:49:49 -08002507 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2508 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002509 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2510 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002511}
2512
Michael Chan85833c62007-12-12 11:17:01 -08002513static int
2514bnx2_rx_skb(struct bnx2 *bp, struct sk_buff *skb, unsigned int len,
Michael Chan1db82f22007-12-12 11:19:35 -08002515 unsigned int hdr_len, dma_addr_t dma_addr, u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002516{
2517 int err;
2518 u16 prod = ring_idx & 0xffff;
2519
2520 err = bnx2_alloc_rx_skb(bp, prod);
2521 if (unlikely(err)) {
2522 bnx2_reuse_rx_skb(bp, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002523 if (hdr_len) {
2524 unsigned int raw_len = len + 4;
2525 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2526
2527 bnx2_reuse_rx_skb_pages(bp, NULL, pages);
2528 }
Michael Chan85833c62007-12-12 11:17:01 -08002529 return err;
2530 }
2531
2532 skb_reserve(skb, bp->rx_offset);
2533 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2534 PCI_DMA_FROMDEVICE);
2535
Michael Chan1db82f22007-12-12 11:19:35 -08002536 if (hdr_len == 0) {
2537 skb_put(skb, len);
2538 return 0;
2539 } else {
2540 unsigned int i, frag_len, frag_size, pages;
2541 struct sw_pg *rx_pg;
2542 u16 pg_cons = bp->rx_pg_cons;
2543 u16 pg_prod = bp->rx_pg_prod;
2544
2545 frag_size = len + 4 - hdr_len;
2546 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2547 skb_put(skb, hdr_len);
2548
2549 for (i = 0; i < pages; i++) {
2550 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2551 if (unlikely(frag_len <= 4)) {
2552 unsigned int tail = 4 - frag_len;
2553
2554 bp->rx_pg_cons = pg_cons;
2555 bp->rx_pg_prod = pg_prod;
2556 bnx2_reuse_rx_skb_pages(bp, NULL, pages - i);
2557 skb->len -= tail;
2558 if (i == 0) {
2559 skb->tail -= tail;
2560 } else {
2561 skb_frag_t *frag =
2562 &skb_shinfo(skb)->frags[i - 1];
2563 frag->size -= tail;
2564 skb->data_len -= tail;
2565 skb->truesize -= tail;
2566 }
2567 return 0;
2568 }
2569 rx_pg = &bp->rx_pg_ring[pg_cons];
2570
2571 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2572 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2573
2574 if (i == pages - 1)
2575 frag_len -= 4;
2576
2577 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2578 rx_pg->page = NULL;
2579
2580 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2581 if (unlikely(err)) {
2582 bp->rx_pg_cons = pg_cons;
2583 bp->rx_pg_prod = pg_prod;
2584 bnx2_reuse_rx_skb_pages(bp, skb, pages - i);
2585 return err;
2586 }
2587
2588 frag_size -= frag_len;
2589 skb->data_len += frag_len;
2590 skb->truesize += frag_len;
2591 skb->len += frag_len;
2592
2593 pg_prod = NEXT_RX_BD(pg_prod);
2594 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2595 }
2596 bp->rx_pg_prod = pg_prod;
2597 bp->rx_pg_cons = pg_cons;
2598 }
Michael Chan85833c62007-12-12 11:17:01 -08002599 return 0;
2600}
2601
Michael Chanc09c2622007-12-10 17:18:37 -08002602static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002603bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08002604{
Michael Chan35efa7c2007-12-20 19:56:37 -08002605 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
Michael Chanc09c2622007-12-10 17:18:37 -08002606
2607 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2608 cons++;
2609 return cons;
2610}
2611
Michael Chanb6016b72005-05-26 13:03:09 -07002612static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002613bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002614{
2615 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2616 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08002617 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002618
Michael Chan35efa7c2007-12-20 19:56:37 -08002619 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002620 sw_cons = bp->rx_cons;
2621 sw_prod = bp->rx_prod;
2622
2623 /* Memory barrier necessary as speculative reads of the rx
2624 * buffer can be ahead of the index in the status block
2625 */
2626 rmb();
2627 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08002628 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08002629 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07002630 struct sw_bd *rx_buf;
2631 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08002632 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07002633
2634 sw_ring_cons = RX_RING_IDX(sw_cons);
2635 sw_ring_prod = RX_RING_IDX(sw_prod);
2636
2637 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2638 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08002639
2640 rx_buf->skb = NULL;
2641
2642 dma_addr = pci_unmap_addr(rx_buf, mapping);
2643
2644 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Michael Chanb6016b72005-05-26 13:03:09 -07002645 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2646
2647 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08002648 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chanb6016b72005-05-26 13:03:09 -07002649
Michael Chanade2bfe2006-01-23 16:09:51 -08002650 if ((status = rx_hdr->l2_fhdr_status) &
Michael Chanb6016b72005-05-26 13:03:09 -07002651 (L2_FHDR_ERRORS_BAD_CRC |
2652 L2_FHDR_ERRORS_PHY_DECODE |
2653 L2_FHDR_ERRORS_ALIGNMENT |
2654 L2_FHDR_ERRORS_TOO_SHORT |
2655 L2_FHDR_ERRORS_GIANT_FRAME)) {
2656
Michael Chan85833c62007-12-12 11:17:01 -08002657 bnx2_reuse_rx_skb(bp, skb, sw_ring_cons, sw_ring_prod);
2658 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002659 }
Michael Chan1db82f22007-12-12 11:19:35 -08002660 hdr_len = 0;
2661 if (status & L2_FHDR_STATUS_SPLIT) {
2662 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2663 pg_ring_used = 1;
2664 } else if (len > bp->rx_jumbo_thresh) {
2665 hdr_len = bp->rx_jumbo_thresh;
2666 pg_ring_used = 1;
2667 }
2668
2669 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07002670
Michael Chan5d5d0012007-12-12 11:17:43 -08002671 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07002672 struct sk_buff *new_skb;
2673
Michael Chan932f3772006-08-15 01:39:36 -07002674 new_skb = netdev_alloc_skb(bp->dev, len + 2);
Michael Chan85833c62007-12-12 11:17:01 -08002675 if (new_skb == NULL) {
2676 bnx2_reuse_rx_skb(bp, skb, sw_ring_cons,
2677 sw_ring_prod);
2678 goto next_rx;
2679 }
Michael Chanb6016b72005-05-26 13:03:09 -07002680
2681 /* aligned copy */
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002682 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2683 new_skb->data, len + 2);
Michael Chanb6016b72005-05-26 13:03:09 -07002684 skb_reserve(new_skb, 2);
2685 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07002686
2687 bnx2_reuse_rx_skb(bp, skb,
2688 sw_ring_cons, sw_ring_prod);
2689
2690 skb = new_skb;
Michael Chan1db82f22007-12-12 11:19:35 -08002691 } else if (unlikely(bnx2_rx_skb(bp, skb, len, hdr_len, dma_addr,
Michael Chan85833c62007-12-12 11:17:01 -08002692 (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07002693 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07002694
2695 skb->protocol = eth_type_trans(skb, bp->dev);
2696
2697 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07002698 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002699
Michael Chan745720e2006-06-29 12:37:41 -07002700 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07002701 goto next_rx;
2702
2703 }
2704
Michael Chanb6016b72005-05-26 13:03:09 -07002705 skb->ip_summed = CHECKSUM_NONE;
2706 if (bp->rx_csum &&
2707 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2708 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2709
Michael Chanade2bfe2006-01-23 16:09:51 -08002710 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2711 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07002712 skb->ip_summed = CHECKSUM_UNNECESSARY;
2713 }
2714
2715#ifdef BCM_VLAN
2716 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
2717 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2718 rx_hdr->l2_fhdr_vlan_tag);
2719 }
2720 else
2721#endif
2722 netif_receive_skb(skb);
2723
2724 bp->dev->last_rx = jiffies;
2725 rx_pkt++;
2726
2727next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07002728 sw_cons = NEXT_RX_BD(sw_cons);
2729 sw_prod = NEXT_RX_BD(sw_prod);
2730
2731 if ((rx_pkt == budget))
2732 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08002733
2734 /* Refresh hw_cons to see if there is new work */
2735 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002736 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08002737 rmb();
2738 }
Michael Chanb6016b72005-05-26 13:03:09 -07002739 }
2740 bp->rx_cons = sw_cons;
2741 bp->rx_prod = sw_prod;
2742
Michael Chan1db82f22007-12-12 11:19:35 -08002743 if (pg_ring_used)
2744 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2745 bp->rx_pg_prod);
2746
Michael Chanb6016b72005-05-26 13:03:09 -07002747 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2748
2749 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
2750
2751 mmiowb();
2752
2753 return rx_pkt;
2754
2755}
2756
2757/* MSI ISR - The only difference between this and the INTx ISR
2758 * is that the MSI interrupt is always serviced.
2759 */
2760static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002761bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002762{
2763 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002764 struct bnx2 *bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08002765 struct bnx2_napi *bnapi = &bp->bnx2_napi;
Michael Chanb6016b72005-05-26 13:03:09 -07002766
Michael Chan35efa7c2007-12-20 19:56:37 -08002767 prefetch(bnapi->status_blk);
Michael Chanb6016b72005-05-26 13:03:09 -07002768 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2769 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2770 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2771
2772 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002773 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2774 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002775
Michael Chan35efa7c2007-12-20 19:56:37 -08002776 netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07002777
Michael Chan73eef4c2005-08-25 15:39:15 -07002778 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002779}
2780
2781static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07002782bnx2_msi_1shot(int irq, void *dev_instance)
2783{
2784 struct net_device *dev = dev_instance;
2785 struct bnx2 *bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08002786 struct bnx2_napi *bnapi = &bp->bnx2_napi;
Michael Chan8e6a72c2007-05-03 13:24:48 -07002787
Michael Chan35efa7c2007-12-20 19:56:37 -08002788 prefetch(bnapi->status_blk);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002789
2790 /* Return here if interrupt is disabled. */
2791 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2792 return IRQ_HANDLED;
2793
Michael Chan35efa7c2007-12-20 19:56:37 -08002794 netif_rx_schedule(dev, &bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07002795
2796 return IRQ_HANDLED;
2797}
2798
2799static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002800bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07002801{
2802 struct net_device *dev = dev_instance;
Michael Chan972ec0d2006-01-23 16:12:43 -08002803 struct bnx2 *bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08002804 struct bnx2_napi *bnapi = &bp->bnx2_napi;
2805 struct status_block *sblk = bnapi->status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -07002806
2807 /* When using INTx, it is possible for the interrupt to arrive
2808 * at the CPU before the status block posted prior to the
2809 * interrupt. Reading a register will flush the status block.
2810 * When using MSI, the MSI message will always complete after
2811 * the status block write.
2812 */
Michael Chan35efa7c2007-12-20 19:56:37 -08002813 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07002814 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2815 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07002816 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07002817
2818 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2819 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2820 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2821
Michael Chanb8a7ce72007-07-07 22:51:03 -07002822 /* Read back to deassert IRQ immediately to avoid too many
2823 * spurious interrupts.
2824 */
2825 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2826
Michael Chanb6016b72005-05-26 13:03:09 -07002827 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07002828 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2829 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002830
Michael Chan35efa7c2007-12-20 19:56:37 -08002831 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2832 bnapi->last_status_idx = sblk->status_idx;
2833 __netif_rx_schedule(dev, &bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07002834 }
Michael Chanb6016b72005-05-26 13:03:09 -07002835
Michael Chan73eef4c2005-08-25 15:39:15 -07002836 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07002837}
2838
Michael Chan0d8a6572007-07-07 22:49:43 -07002839#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2840 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002841
Michael Chanf4e418f2005-11-04 08:53:48 -08002842static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08002843bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08002844{
Michael Chan35efa7c2007-12-20 19:56:37 -08002845 struct bnx2 *bp = bnapi->bp;
Michael Chanf4e418f2005-11-04 08:53:48 -08002846 struct status_block *sblk = bp->status_blk;
2847
Michael Chan35efa7c2007-12-20 19:56:37 -08002848 if ((bnx2_get_hw_rx_cons(bnapi) != bp->rx_cons) ||
2849 (bnx2_get_hw_tx_cons(bnapi) != bp->hw_tx_cons))
Michael Chanf4e418f2005-11-04 08:53:48 -08002850 return 1;
2851
Michael Chanda3e4fb2007-05-03 13:24:23 -07002852 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2853 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08002854 return 1;
2855
2856 return 0;
2857}
2858
Michael Chan35efa7c2007-12-20 19:56:37 -08002859static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
2860 int work_done, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002861{
Michael Chan35efa7c2007-12-20 19:56:37 -08002862 struct status_block *sblk = bnapi->status_blk;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002863 u32 status_attn_bits = sblk->status_attn_bits;
2864 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07002865
Michael Chanda3e4fb2007-05-03 13:24:23 -07002866 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
2867 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002868
Michael Chan35efa7c2007-12-20 19:56:37 -08002869 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08002870
2871 /* This is needed to take care of transient status
2872 * during link changes.
2873 */
2874 REG_WR(bp, BNX2_HC_COMMAND,
2875 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
2876 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07002877 }
2878
Michael Chan35efa7c2007-12-20 19:56:37 -08002879 if (bnx2_get_hw_tx_cons(bnapi) != bp->hw_tx_cons)
2880 bnx2_tx_int(bp, bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002881
Michael Chan35efa7c2007-12-20 19:56:37 -08002882 if (bnx2_get_hw_rx_cons(bnapi) != bp->rx_cons)
2883 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002884
David S. Miller6f535762007-10-11 18:08:29 -07002885 return work_done;
2886}
Michael Chanf4e418f2005-11-04 08:53:48 -08002887
David S. Miller6f535762007-10-11 18:08:29 -07002888static int bnx2_poll(struct napi_struct *napi, int budget)
2889{
Michael Chan35efa7c2007-12-20 19:56:37 -08002890 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
2891 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07002892 int work_done = 0;
Michael Chan35efa7c2007-12-20 19:56:37 -08002893 struct status_block *sblk = bnapi->status_blk;
David S. Miller6f535762007-10-11 18:08:29 -07002894
2895 while (1) {
Michael Chan35efa7c2007-12-20 19:56:37 -08002896 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07002897
2898 if (unlikely(work_done >= budget))
2899 break;
2900
Michael Chan35efa7c2007-12-20 19:56:37 -08002901 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07002902 * much work has been processed, so we must read it before
2903 * checking for more work.
2904 */
Michael Chan35efa7c2007-12-20 19:56:37 -08002905 bnapi->last_status_idx = sblk->status_idx;
Michael Chan6dee6422007-10-12 01:40:38 -07002906 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08002907 if (likely(!bnx2_has_work(bnapi))) {
David S. Miller6f535762007-10-11 18:08:29 -07002908 netif_rx_complete(bp->dev, napi);
2909 if (likely(bp->flags & USING_MSI_FLAG)) {
2910 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2911 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08002912 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07002913 break;
David S. Miller6f535762007-10-11 18:08:29 -07002914 }
2915 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2916 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2917 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08002918 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07002919
Michael Chan1269a8a2006-01-23 16:11:03 -08002920 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2921 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08002922 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07002923 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08002924 }
Michael Chanb6016b72005-05-26 13:03:09 -07002925 }
2926
Stephen Hemmingerbea33482007-10-03 16:41:36 -07002927 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07002928}
2929
Herbert Xu932ff272006-06-09 12:20:56 -07002930/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07002931 * from set_multicast.
2932 */
2933static void
2934bnx2_set_rx_mode(struct net_device *dev)
2935{
Michael Chan972ec0d2006-01-23 16:12:43 -08002936 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07002937 u32 rx_mode, sort_mode;
2938 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002939
Michael Chanc770a652005-08-25 15:38:39 -07002940 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07002941
2942 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
2943 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
2944 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
2945#ifdef BCM_VLAN
Michael Chane29054f2006-01-23 16:06:06 -08002946 if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
Michael Chanb6016b72005-05-26 13:03:09 -07002947 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07002948#else
Michael Chane29054f2006-01-23 16:06:06 -08002949 if (!(bp->flags & ASF_ENABLE_FLAG))
2950 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07002951#endif
2952 if (dev->flags & IFF_PROMISC) {
2953 /* Promiscuous mode. */
2954 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08002955 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
2956 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07002957 }
2958 else if (dev->flags & IFF_ALLMULTI) {
2959 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2960 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2961 0xffffffff);
2962 }
2963 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
2964 }
2965 else {
2966 /* Accept one or more multicast(s). */
2967 struct dev_mc_list *mclist;
2968 u32 mc_filter[NUM_MC_HASH_REGISTERS];
2969 u32 regidx;
2970 u32 bit;
2971 u32 crc;
2972
2973 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
2974
2975 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
2976 i++, mclist = mclist->next) {
2977
2978 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
2979 bit = crc & 0xff;
2980 regidx = (bit & 0xe0) >> 5;
2981 bit &= 0x1f;
2982 mc_filter[regidx] |= (1 << bit);
2983 }
2984
2985 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2986 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2987 mc_filter[i]);
2988 }
2989
2990 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
2991 }
2992
2993 if (rx_mode != bp->rx_mode) {
2994 bp->rx_mode = rx_mode;
2995 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
2996 }
2997
2998 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2999 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3000 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3001
Michael Chanc770a652005-08-25 15:38:39 -07003002 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003003}
3004
3005static void
3006load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
3007 u32 rv2p_proc)
3008{
3009 int i;
3010 u32 val;
3011
3012
3013 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chanfba9fe92006-06-12 22:21:25 -07003014 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003015 rv2p_code++;
Michael Chanfba9fe92006-06-12 22:21:25 -07003016 REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003017 rv2p_code++;
3018
3019 if (rv2p_proc == RV2P_PROC1) {
3020 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3021 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3022 }
3023 else {
3024 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3025 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3026 }
3027 }
3028
3029 /* Reset the processor, un-stall is done later. */
3030 if (rv2p_proc == RV2P_PROC1) {
3031 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3032 }
3033 else {
3034 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3035 }
3036}
3037
Michael Chanaf3ee512006-11-19 14:09:25 -08003038static int
Michael Chanb6016b72005-05-26 13:03:09 -07003039load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3040{
3041 u32 offset;
3042 u32 val;
Michael Chanaf3ee512006-11-19 14:09:25 -08003043 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003044
3045 /* Halt the CPU. */
3046 val = REG_RD_IND(bp, cpu_reg->mode);
3047 val |= cpu_reg->mode_value_halt;
3048 REG_WR_IND(bp, cpu_reg->mode, val);
3049 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
3050
3051 /* Load the Text area. */
3052 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
Michael Chanaf3ee512006-11-19 14:09:25 -08003053 if (fw->gz_text) {
Michael Chanb6016b72005-05-26 13:03:09 -07003054 int j;
3055
Michael Chanea1f8d52007-10-02 16:27:35 -07003056 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3057 fw->gz_text_len);
3058 if (rc < 0)
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003059 return rc;
Michael Chanea1f8d52007-10-02 16:27:35 -07003060
Michael Chanb6016b72005-05-26 13:03:09 -07003061 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
Michael Chanea1f8d52007-10-02 16:27:35 -07003062 REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003063 }
3064 }
3065
3066 /* Load the Data area. */
3067 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3068 if (fw->data) {
3069 int j;
3070
3071 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3072 REG_WR_IND(bp, offset, fw->data[j]);
3073 }
3074 }
3075
3076 /* Load the SBSS area. */
3077 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003078 if (fw->sbss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003079 int j;
3080
3081 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
Michael Chanea1f8d52007-10-02 16:27:35 -07003082 REG_WR_IND(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003083 }
3084 }
3085
3086 /* Load the BSS area. */
3087 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
Michael Chanea1f8d52007-10-02 16:27:35 -07003088 if (fw->bss_len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003089 int j;
3090
3091 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
Michael Chanea1f8d52007-10-02 16:27:35 -07003092 REG_WR_IND(bp, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003093 }
3094 }
3095
3096 /* Load the Read-Only area. */
3097 offset = cpu_reg->spad_base +
3098 (fw->rodata_addr - cpu_reg->mips_view_base);
3099 if (fw->rodata) {
3100 int j;
3101
3102 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3103 REG_WR_IND(bp, offset, fw->rodata[j]);
3104 }
3105 }
3106
3107 /* Clear the pre-fetch instruction. */
3108 REG_WR_IND(bp, cpu_reg->inst, 0);
3109 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
3110
3111 /* Start the CPU. */
3112 val = REG_RD_IND(bp, cpu_reg->mode);
3113 val &= ~cpu_reg->mode_value_halt;
3114 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
3115 REG_WR_IND(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003116
3117 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003118}
3119
Michael Chanfba9fe92006-06-12 22:21:25 -07003120static int
Michael Chanb6016b72005-05-26 13:03:09 -07003121bnx2_init_cpus(struct bnx2 *bp)
3122{
3123 struct cpu_reg cpu_reg;
Michael Chanaf3ee512006-11-19 14:09:25 -08003124 struct fw_info *fw;
Michael Chan110d0ef2007-12-12 11:18:34 -08003125 int rc, rv2p_len;
3126 void *text, *rv2p;
Michael Chanb6016b72005-05-26 13:03:09 -07003127
3128 /* Initialize the RV2P processor. */
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003129 text = vmalloc(FW_BUF_SIZE);
3130 if (!text)
3131 return -ENOMEM;
Michael Chan110d0ef2007-12-12 11:18:34 -08003132 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3133 rv2p = bnx2_xi_rv2p_proc1;
3134 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3135 } else {
3136 rv2p = bnx2_rv2p_proc1;
3137 rv2p_len = sizeof(bnx2_rv2p_proc1);
3138 }
3139 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003140 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003141 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003142
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003143 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
Michael Chanfba9fe92006-06-12 22:21:25 -07003144
Michael Chan110d0ef2007-12-12 11:18:34 -08003145 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3146 rv2p = bnx2_xi_rv2p_proc2;
3147 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3148 } else {
3149 rv2p = bnx2_rv2p_proc2;
3150 rv2p_len = sizeof(bnx2_rv2p_proc2);
3151 }
3152 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
Michael Chanea1f8d52007-10-02 16:27:35 -07003153 if (rc < 0)
Michael Chanfba9fe92006-06-12 22:21:25 -07003154 goto init_cpu_err;
Michael Chanea1f8d52007-10-02 16:27:35 -07003155
Denys Vlasenkob3448b02007-09-30 17:55:51 -07003156 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
Michael Chanb6016b72005-05-26 13:03:09 -07003157
3158 /* Initialize the RX Processor. */
3159 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3160 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3161 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3162 cpu_reg.state = BNX2_RXP_CPU_STATE;
3163 cpu_reg.state_value_clear = 0xffffff;
3164 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3165 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3166 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3167 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3168 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3169 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3170 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003171
Michael Chand43584c2006-11-19 14:14:35 -08003172 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3173 fw = &bnx2_rxp_fw_09;
3174 else
3175 fw = &bnx2_rxp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003176
Michael Chanea1f8d52007-10-02 16:27:35 -07003177 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003178 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003179 if (rc)
3180 goto init_cpu_err;
3181
Michael Chanb6016b72005-05-26 13:03:09 -07003182 /* Initialize the TX Processor. */
3183 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3184 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3185 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3186 cpu_reg.state = BNX2_TXP_CPU_STATE;
3187 cpu_reg.state_value_clear = 0xffffff;
3188 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3189 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3190 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3191 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3192 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3193 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3194 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003195
Michael Chand43584c2006-11-19 14:14:35 -08003196 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3197 fw = &bnx2_txp_fw_09;
3198 else
3199 fw = &bnx2_txp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003200
Michael Chanea1f8d52007-10-02 16:27:35 -07003201 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003202 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003203 if (rc)
3204 goto init_cpu_err;
3205
Michael Chanb6016b72005-05-26 13:03:09 -07003206 /* Initialize the TX Patch-up Processor. */
3207 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3208 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3209 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3210 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3211 cpu_reg.state_value_clear = 0xffffff;
3212 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3213 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3214 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3215 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3216 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3217 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3218 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003219
Michael Chand43584c2006-11-19 14:14:35 -08003220 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3221 fw = &bnx2_tpat_fw_09;
3222 else
3223 fw = &bnx2_tpat_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003224
Michael Chanea1f8d52007-10-02 16:27:35 -07003225 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003226 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003227 if (rc)
3228 goto init_cpu_err;
3229
Michael Chanb6016b72005-05-26 13:03:09 -07003230 /* Initialize the Completion Processor. */
3231 cpu_reg.mode = BNX2_COM_CPU_MODE;
3232 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3233 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3234 cpu_reg.state = BNX2_COM_CPU_STATE;
3235 cpu_reg.state_value_clear = 0xffffff;
3236 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3237 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3238 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3239 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3240 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3241 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3242 cpu_reg.mips_view_base = 0x8000000;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003243
Michael Chand43584c2006-11-19 14:14:35 -08003244 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3245 fw = &bnx2_com_fw_09;
3246 else
3247 fw = &bnx2_com_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003248
Michael Chanea1f8d52007-10-02 16:27:35 -07003249 fw->text = text;
Michael Chanaf3ee512006-11-19 14:09:25 -08003250 rc = load_cpu_fw(bp, &cpu_reg, fw);
Michael Chanfba9fe92006-06-12 22:21:25 -07003251 if (rc)
3252 goto init_cpu_err;
3253
Michael Chand43584c2006-11-19 14:14:35 -08003254 /* Initialize the Command Processor. */
3255 cpu_reg.mode = BNX2_CP_CPU_MODE;
3256 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3257 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3258 cpu_reg.state = BNX2_CP_CPU_STATE;
3259 cpu_reg.state_value_clear = 0xffffff;
3260 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3261 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3262 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3263 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3264 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3265 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3266 cpu_reg.mips_view_base = 0x8000000;
Michael Chanb6016b72005-05-26 13:03:09 -07003267
Michael Chan110d0ef2007-12-12 11:18:34 -08003268 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chand43584c2006-11-19 14:14:35 -08003269 fw = &bnx2_cp_fw_09;
Michael Chan110d0ef2007-12-12 11:18:34 -08003270 else
3271 fw = &bnx2_cp_fw_06;
Michael Chanb6016b72005-05-26 13:03:09 -07003272
Michael Chan110d0ef2007-12-12 11:18:34 -08003273 fw->text = text;
3274 rc = load_cpu_fw(bp, &cpu_reg, fw);
3275
Michael Chanfba9fe92006-06-12 22:21:25 -07003276init_cpu_err:
Michael Chanea1f8d52007-10-02 16:27:35 -07003277 vfree(text);
Michael Chanfba9fe92006-06-12 22:21:25 -07003278 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003279}
3280
3281static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003282bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003283{
3284 u16 pmcsr;
3285
3286 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3287
3288 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003289 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003290 u32 val;
3291
3292 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3293 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3294 PCI_PM_CTRL_PME_STATUS);
3295
3296 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3297 /* delay required during transition out of D3hot */
3298 msleep(20);
3299
3300 val = REG_RD(bp, BNX2_EMAC_MODE);
3301 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3302 val &= ~BNX2_EMAC_MODE_MPKT;
3303 REG_WR(bp, BNX2_EMAC_MODE, val);
3304
3305 val = REG_RD(bp, BNX2_RPM_CONFIG);
3306 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3307 REG_WR(bp, BNX2_RPM_CONFIG, val);
3308 break;
3309 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003310 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003311 int i;
3312 u32 val, wol_msg;
3313
3314 if (bp->wol) {
3315 u32 advertising;
3316 u8 autoneg;
3317
3318 autoneg = bp->autoneg;
3319 advertising = bp->advertising;
3320
Michael Chan239cd342007-10-17 19:26:15 -07003321 if (bp->phy_port == PORT_TP) {
3322 bp->autoneg = AUTONEG_SPEED;
3323 bp->advertising = ADVERTISED_10baseT_Half |
3324 ADVERTISED_10baseT_Full |
3325 ADVERTISED_100baseT_Half |
3326 ADVERTISED_100baseT_Full |
3327 ADVERTISED_Autoneg;
3328 }
Michael Chanb6016b72005-05-26 13:03:09 -07003329
Michael Chan239cd342007-10-17 19:26:15 -07003330 spin_lock_bh(&bp->phy_lock);
3331 bnx2_setup_phy(bp, bp->phy_port);
3332 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003333
3334 bp->autoneg = autoneg;
3335 bp->advertising = advertising;
3336
3337 bnx2_set_mac_addr(bp);
3338
3339 val = REG_RD(bp, BNX2_EMAC_MODE);
3340
3341 /* Enable port mode. */
3342 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003343 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003344 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003345 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003346 if (bp->phy_port == PORT_TP)
3347 val |= BNX2_EMAC_MODE_PORT_MII;
3348 else {
3349 val |= BNX2_EMAC_MODE_PORT_GMII;
3350 if (bp->line_speed == SPEED_2500)
3351 val |= BNX2_EMAC_MODE_25G_MODE;
3352 }
Michael Chanb6016b72005-05-26 13:03:09 -07003353
3354 REG_WR(bp, BNX2_EMAC_MODE, val);
3355
3356 /* receive all multicast */
3357 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3358 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3359 0xffffffff);
3360 }
3361 REG_WR(bp, BNX2_EMAC_RX_MODE,
3362 BNX2_EMAC_RX_MODE_SORT_MODE);
3363
3364 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3365 BNX2_RPM_SORT_USER0_MC_EN;
3366 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3367 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3368 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3369 BNX2_RPM_SORT_USER0_ENA);
3370
3371 /* Need to enable EMAC and RPM for WOL. */
3372 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3373 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3374 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3375 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3376
3377 val = REG_RD(bp, BNX2_RPM_CONFIG);
3378 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3379 REG_WR(bp, BNX2_RPM_CONFIG, val);
3380
3381 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3382 }
3383 else {
3384 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3385 }
3386
Michael Chandda1e392006-01-23 16:08:14 -08003387 if (!(bp->flags & NO_WOL_FLAG))
3388 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003389
3390 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3391 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3392 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3393
3394 if (bp->wol)
3395 pmcsr |= 3;
3396 }
3397 else {
3398 pmcsr |= 3;
3399 }
3400 if (bp->wol) {
3401 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3402 }
3403 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3404 pmcsr);
3405
3406 /* No more memory access after this point until
3407 * device is brought back to D0.
3408 */
3409 udelay(50);
3410 break;
3411 }
3412 default:
3413 return -EINVAL;
3414 }
3415 return 0;
3416}
3417
3418static int
3419bnx2_acquire_nvram_lock(struct bnx2 *bp)
3420{
3421 u32 val;
3422 int j;
3423
3424 /* Request access to the flash interface. */
3425 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3426 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3427 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3428 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3429 break;
3430
3431 udelay(5);
3432 }
3433
3434 if (j >= NVRAM_TIMEOUT_COUNT)
3435 return -EBUSY;
3436
3437 return 0;
3438}
3439
3440static int
3441bnx2_release_nvram_lock(struct bnx2 *bp)
3442{
3443 int j;
3444 u32 val;
3445
3446 /* Relinquish nvram interface. */
3447 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3448
3449 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3450 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3451 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3452 break;
3453
3454 udelay(5);
3455 }
3456
3457 if (j >= NVRAM_TIMEOUT_COUNT)
3458 return -EBUSY;
3459
3460 return 0;
3461}
3462
3463
3464static int
3465bnx2_enable_nvram_write(struct bnx2 *bp)
3466{
3467 u32 val;
3468
3469 val = REG_RD(bp, BNX2_MISC_CFG);
3470 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3471
Michael Chane30372c2007-07-16 18:26:23 -07003472 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07003473 int j;
3474
3475 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3476 REG_WR(bp, BNX2_NVM_COMMAND,
3477 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3478
3479 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3480 udelay(5);
3481
3482 val = REG_RD(bp, BNX2_NVM_COMMAND);
3483 if (val & BNX2_NVM_COMMAND_DONE)
3484 break;
3485 }
3486
3487 if (j >= NVRAM_TIMEOUT_COUNT)
3488 return -EBUSY;
3489 }
3490 return 0;
3491}
3492
3493static void
3494bnx2_disable_nvram_write(struct bnx2 *bp)
3495{
3496 u32 val;
3497
3498 val = REG_RD(bp, BNX2_MISC_CFG);
3499 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3500}
3501
3502
3503static void
3504bnx2_enable_nvram_access(struct bnx2 *bp)
3505{
3506 u32 val;
3507
3508 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3509 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003510 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003511 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3512}
3513
3514static void
3515bnx2_disable_nvram_access(struct bnx2 *bp)
3516{
3517 u32 val;
3518
3519 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3520 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003521 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07003522 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3523 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3524}
3525
3526static int
3527bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3528{
3529 u32 cmd;
3530 int j;
3531
Michael Chane30372c2007-07-16 18:26:23 -07003532 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07003533 /* Buffered flash, no erase needed */
3534 return 0;
3535
3536 /* Build an erase command */
3537 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3538 BNX2_NVM_COMMAND_DOIT;
3539
3540 /* Need to clear DONE bit separately. */
3541 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3542
3543 /* Address of the NVRAM to read from. */
3544 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3545
3546 /* Issue an erase command. */
3547 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3548
3549 /* Wait for completion. */
3550 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3551 u32 val;
3552
3553 udelay(5);
3554
3555 val = REG_RD(bp, BNX2_NVM_COMMAND);
3556 if (val & BNX2_NVM_COMMAND_DONE)
3557 break;
3558 }
3559
3560 if (j >= NVRAM_TIMEOUT_COUNT)
3561 return -EBUSY;
3562
3563 return 0;
3564}
3565
3566static int
3567bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3568{
3569 u32 cmd;
3570 int j;
3571
3572 /* Build the command word. */
3573 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3574
Michael Chane30372c2007-07-16 18:26:23 -07003575 /* Calculate an offset of a buffered flash, not needed for 5709. */
3576 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003577 offset = ((offset / bp->flash_info->page_size) <<
3578 bp->flash_info->page_bits) +
3579 (offset % bp->flash_info->page_size);
3580 }
3581
3582 /* Need to clear DONE bit separately. */
3583 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3584
3585 /* Address of the NVRAM to read from. */
3586 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3587
3588 /* Issue a read command. */
3589 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3590
3591 /* Wait for completion. */
3592 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3593 u32 val;
3594
3595 udelay(5);
3596
3597 val = REG_RD(bp, BNX2_NVM_COMMAND);
3598 if (val & BNX2_NVM_COMMAND_DONE) {
3599 val = REG_RD(bp, BNX2_NVM_READ);
3600
3601 val = be32_to_cpu(val);
3602 memcpy(ret_val, &val, 4);
3603 break;
3604 }
3605 }
3606 if (j >= NVRAM_TIMEOUT_COUNT)
3607 return -EBUSY;
3608
3609 return 0;
3610}
3611
3612
3613static int
3614bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3615{
3616 u32 cmd, val32;
3617 int j;
3618
3619 /* Build the command word. */
3620 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3621
Michael Chane30372c2007-07-16 18:26:23 -07003622 /* Calculate an offset of a buffered flash, not needed for 5709. */
3623 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07003624 offset = ((offset / bp->flash_info->page_size) <<
3625 bp->flash_info->page_bits) +
3626 (offset % bp->flash_info->page_size);
3627 }
3628
3629 /* Need to clear DONE bit separately. */
3630 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3631
3632 memcpy(&val32, val, 4);
3633 val32 = cpu_to_be32(val32);
3634
3635 /* Write the data. */
3636 REG_WR(bp, BNX2_NVM_WRITE, val32);
3637
3638 /* Address of the NVRAM to write to. */
3639 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3640
3641 /* Issue the write command. */
3642 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3643
3644 /* Wait for completion. */
3645 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3646 udelay(5);
3647
3648 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3649 break;
3650 }
3651 if (j >= NVRAM_TIMEOUT_COUNT)
3652 return -EBUSY;
3653
3654 return 0;
3655}
3656
3657static int
3658bnx2_init_nvram(struct bnx2 *bp)
3659{
3660 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07003661 int j, entry_count, rc = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003662 struct flash_spec *flash;
3663
Michael Chane30372c2007-07-16 18:26:23 -07003664 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3665 bp->flash_info = &flash_5709;
3666 goto get_flash_size;
3667 }
3668
Michael Chanb6016b72005-05-26 13:03:09 -07003669 /* Determine the selected interface. */
3670 val = REG_RD(bp, BNX2_NVM_CFG1);
3671
Denis Chengff8ac602007-09-02 18:30:18 +08003672 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07003673
Michael Chanb6016b72005-05-26 13:03:09 -07003674 if (val & 0x40000000) {
3675
3676 /* Flash interface has been reconfigured */
3677 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08003678 j++, flash++) {
3679 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3680 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003681 bp->flash_info = flash;
3682 break;
3683 }
3684 }
3685 }
3686 else {
Michael Chan37137702005-11-04 08:49:17 -08003687 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07003688 /* Not yet been reconfigured */
3689
Michael Chan37137702005-11-04 08:49:17 -08003690 if (val & (1 << 23))
3691 mask = FLASH_BACKUP_STRAP_MASK;
3692 else
3693 mask = FLASH_STRAP_MASK;
3694
Michael Chanb6016b72005-05-26 13:03:09 -07003695 for (j = 0, flash = &flash_table[0]; j < entry_count;
3696 j++, flash++) {
3697
Michael Chan37137702005-11-04 08:49:17 -08003698 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003699 bp->flash_info = flash;
3700
3701 /* Request access to the flash interface. */
3702 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3703 return rc;
3704
3705 /* Enable access to flash interface */
3706 bnx2_enable_nvram_access(bp);
3707
3708 /* Reconfigure the flash interface */
3709 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3710 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3711 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3712 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3713
3714 /* Disable access to flash interface */
3715 bnx2_disable_nvram_access(bp);
3716 bnx2_release_nvram_lock(bp);
3717
3718 break;
3719 }
3720 }
3721 } /* if (val & 0x40000000) */
3722
3723 if (j == entry_count) {
3724 bp->flash_info = NULL;
John W. Linville2f23c522005-11-10 12:57:33 -08003725 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
Michael Chan1122db72006-01-23 16:11:42 -08003726 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07003727 }
3728
Michael Chane30372c2007-07-16 18:26:23 -07003729get_flash_size:
Michael Chan1122db72006-01-23 16:11:42 -08003730 val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
3731 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3732 if (val)
3733 bp->flash_size = val;
3734 else
3735 bp->flash_size = bp->flash_info->total_size;
3736
Michael Chanb6016b72005-05-26 13:03:09 -07003737 return rc;
3738}
3739
3740static int
3741bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3742 int buf_size)
3743{
3744 int rc = 0;
3745 u32 cmd_flags, offset32, len32, extra;
3746
3747 if (buf_size == 0)
3748 return 0;
3749
3750 /* Request access to the flash interface. */
3751 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3752 return rc;
3753
3754 /* Enable access to flash interface */
3755 bnx2_enable_nvram_access(bp);
3756
3757 len32 = buf_size;
3758 offset32 = offset;
3759 extra = 0;
3760
3761 cmd_flags = 0;
3762
3763 if (offset32 & 3) {
3764 u8 buf[4];
3765 u32 pre_len;
3766
3767 offset32 &= ~3;
3768 pre_len = 4 - (offset & 3);
3769
3770 if (pre_len >= len32) {
3771 pre_len = len32;
3772 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3773 BNX2_NVM_COMMAND_LAST;
3774 }
3775 else {
3776 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3777 }
3778
3779 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3780
3781 if (rc)
3782 return rc;
3783
3784 memcpy(ret_buf, buf + (offset & 3), pre_len);
3785
3786 offset32 += 4;
3787 ret_buf += pre_len;
3788 len32 -= pre_len;
3789 }
3790 if (len32 & 3) {
3791 extra = 4 - (len32 & 3);
3792 len32 = (len32 + 4) & ~3;
3793 }
3794
3795 if (len32 == 4) {
3796 u8 buf[4];
3797
3798 if (cmd_flags)
3799 cmd_flags = BNX2_NVM_COMMAND_LAST;
3800 else
3801 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3802 BNX2_NVM_COMMAND_LAST;
3803
3804 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3805
3806 memcpy(ret_buf, buf, 4 - extra);
3807 }
3808 else if (len32 > 0) {
3809 u8 buf[4];
3810
3811 /* Read the first word. */
3812 if (cmd_flags)
3813 cmd_flags = 0;
3814 else
3815 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3816
3817 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3818
3819 /* Advance to the next dword. */
3820 offset32 += 4;
3821 ret_buf += 4;
3822 len32 -= 4;
3823
3824 while (len32 > 4 && rc == 0) {
3825 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3826
3827 /* Advance to the next dword. */
3828 offset32 += 4;
3829 ret_buf += 4;
3830 len32 -= 4;
3831 }
3832
3833 if (rc)
3834 return rc;
3835
3836 cmd_flags = BNX2_NVM_COMMAND_LAST;
3837 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3838
3839 memcpy(ret_buf, buf, 4 - extra);
3840 }
3841
3842 /* Disable access to flash interface */
3843 bnx2_disable_nvram_access(bp);
3844
3845 bnx2_release_nvram_lock(bp);
3846
3847 return rc;
3848}
3849
3850static int
3851bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
3852 int buf_size)
3853{
3854 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08003855 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07003856 int rc = 0;
3857 int align_start, align_end;
3858
3859 buf = data_buf;
3860 offset32 = offset;
3861 len32 = buf_size;
3862 align_start = align_end = 0;
3863
3864 if ((align_start = (offset32 & 3))) {
3865 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07003866 len32 += align_start;
3867 if (len32 < 4)
3868 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003869 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
3870 return rc;
3871 }
3872
3873 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07003874 align_end = 4 - (len32 & 3);
3875 len32 += align_end;
3876 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
3877 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003878 }
3879
3880 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08003881 align_buf = kmalloc(len32, GFP_KERNEL);
3882 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07003883 return -ENOMEM;
3884 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08003885 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003886 }
3887 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08003888 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07003889 }
Michael Chane6be7632007-01-08 19:56:13 -08003890 memcpy(align_buf + align_start, data_buf, buf_size);
3891 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003892 }
3893
Michael Chane30372c2007-07-16 18:26:23 -07003894 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07003895 flash_buffer = kmalloc(264, GFP_KERNEL);
3896 if (flash_buffer == NULL) {
3897 rc = -ENOMEM;
3898 goto nvram_write_end;
3899 }
3900 }
3901
Michael Chanb6016b72005-05-26 13:03:09 -07003902 written = 0;
3903 while ((written < len32) && (rc == 0)) {
3904 u32 page_start, page_end, data_start, data_end;
3905 u32 addr, cmd_flags;
3906 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003907
3908 /* Find the page_start addr */
3909 page_start = offset32 + written;
3910 page_start -= (page_start % bp->flash_info->page_size);
3911 /* Find the page_end addr */
3912 page_end = page_start + bp->flash_info->page_size;
3913 /* Find the data_start addr */
3914 data_start = (written == 0) ? offset32 : page_start;
3915 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003916 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07003917 (offset32 + len32) : page_end;
3918
3919 /* Request access to the flash interface. */
3920 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3921 goto nvram_write_end;
3922
3923 /* Enable access to flash interface */
3924 bnx2_enable_nvram_access(bp);
3925
3926 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07003927 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003928 int j;
3929
3930 /* Read the whole page into the buffer
3931 * (non-buffer flash only) */
3932 for (j = 0; j < bp->flash_info->page_size; j += 4) {
3933 if (j == (bp->flash_info->page_size - 4)) {
3934 cmd_flags |= BNX2_NVM_COMMAND_LAST;
3935 }
3936 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003937 page_start + j,
3938 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07003939 cmd_flags);
3940
3941 if (rc)
3942 goto nvram_write_end;
3943
3944 cmd_flags = 0;
3945 }
3946 }
3947
3948 /* Enable writes to flash interface (unlock write-protect) */
3949 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
3950 goto nvram_write_end;
3951
Michael Chanb6016b72005-05-26 13:03:09 -07003952 /* Loop to write back the buffer data from page_start to
3953 * data_start */
3954 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07003955 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07003956 /* Erase the page */
3957 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
3958 goto nvram_write_end;
3959
3960 /* Re-enable the write again for the actual write */
3961 bnx2_enable_nvram_write(bp);
3962
Michael Chanb6016b72005-05-26 13:03:09 -07003963 for (addr = page_start; addr < data_start;
3964 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003965
Michael Chanb6016b72005-05-26 13:03:09 -07003966 rc = bnx2_nvram_write_dword(bp, addr,
3967 &flash_buffer[i], cmd_flags);
3968
3969 if (rc != 0)
3970 goto nvram_write_end;
3971
3972 cmd_flags = 0;
3973 }
3974 }
3975
3976 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07003977 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07003978 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07003979 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003980 (addr == data_end - 4))) {
3981
3982 cmd_flags |= BNX2_NVM_COMMAND_LAST;
3983 }
3984 rc = bnx2_nvram_write_dword(bp, addr, buf,
3985 cmd_flags);
3986
3987 if (rc != 0)
3988 goto nvram_write_end;
3989
3990 cmd_flags = 0;
3991 buf += 4;
3992 }
3993
3994 /* Loop to write back the buffer data from data_end
3995 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07003996 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003997 for (addr = data_end; addr < page_end;
3998 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003999
Michael Chanb6016b72005-05-26 13:03:09 -07004000 if (addr == page_end-4) {
4001 cmd_flags = BNX2_NVM_COMMAND_LAST;
4002 }
4003 rc = bnx2_nvram_write_dword(bp, addr,
4004 &flash_buffer[i], cmd_flags);
4005
4006 if (rc != 0)
4007 goto nvram_write_end;
4008
4009 cmd_flags = 0;
4010 }
4011 }
4012
4013 /* Disable writes to flash interface (lock write-protect) */
4014 bnx2_disable_nvram_write(bp);
4015
4016 /* Disable access to flash interface */
4017 bnx2_disable_nvram_access(bp);
4018 bnx2_release_nvram_lock(bp);
4019
4020 /* Increment written */
4021 written += data_end - data_start;
4022 }
4023
4024nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004025 kfree(flash_buffer);
4026 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004027 return rc;
4028}
4029
Michael Chan0d8a6572007-07-07 22:49:43 -07004030static void
4031bnx2_init_remote_phy(struct bnx2 *bp)
4032{
4033 u32 val;
4034
4035 bp->phy_flags &= ~REMOTE_PHY_CAP_FLAG;
4036 if (!(bp->phy_flags & PHY_SERDES_FLAG))
4037 return;
4038
4039 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_CAP_MB);
4040 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4041 return;
4042
4043 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
Michael Chan0d8a6572007-07-07 22:49:43 -07004044 bp->phy_flags |= REMOTE_PHY_CAP_FLAG;
4045
4046 val = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
4047 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4048 bp->phy_port = PORT_FIBRE;
4049 else
4050 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004051
4052 if (netif_running(bp->dev)) {
4053 u32 sig;
4054
4055 if (val & BNX2_LINK_STATUS_LINK_UP) {
4056 bp->link_up = 1;
4057 netif_carrier_on(bp->dev);
4058 } else {
4059 bp->link_up = 0;
4060 netif_carrier_off(bp->dev);
4061 }
4062 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4063 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4064 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
4065 sig);
4066 }
Michael Chan0d8a6572007-07-07 22:49:43 -07004067 }
4068}
4069
Michael Chanb6016b72005-05-26 13:03:09 -07004070static int
4071bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4072{
4073 u32 val;
4074 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004075 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004076
4077 /* Wait for the current PCI transaction to complete before
4078 * issuing a reset. */
4079 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4080 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4081 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4082 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4083 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4084 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4085 udelay(5);
4086
Michael Chanb090ae22006-01-23 16:07:10 -08004087 /* Wait for the firmware to tell us it is ok to issue a reset. */
4088 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4089
Michael Chanb6016b72005-05-26 13:03:09 -07004090 /* Deposit a driver reset signature so the firmware knows that
4091 * this is a soft reset. */
Michael Chane3648b32005-11-04 08:51:21 -08004092 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
Michael Chanb6016b72005-05-26 13:03:09 -07004093 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4094
Michael Chanb6016b72005-05-26 13:03:09 -07004095 /* Do a dummy read to force the chip to complete all current transaction
4096 * before we issue a reset. */
4097 val = REG_RD(bp, BNX2_MISC_ID);
4098
Michael Chan234754d2006-11-19 14:11:41 -08004099 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4100 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4101 REG_RD(bp, BNX2_MISC_COMMAND);
4102 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004103
Michael Chan234754d2006-11-19 14:11:41 -08004104 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4105 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004106
Michael Chan234754d2006-11-19 14:11:41 -08004107 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004108
Michael Chan234754d2006-11-19 14:11:41 -08004109 } else {
4110 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4111 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4112 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4113
4114 /* Chip reset. */
4115 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4116
Michael Chan594a9df2007-08-28 15:39:42 -07004117 /* Reading back any register after chip reset will hang the
4118 * bus on 5706 A0 and A1. The msleep below provides plenty
4119 * of margin for write posting.
4120 */
Michael Chan234754d2006-11-19 14:11:41 -08004121 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004122 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4123 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004124
Michael Chan234754d2006-11-19 14:11:41 -08004125 /* Reset takes approximate 30 usec */
4126 for (i = 0; i < 10; i++) {
4127 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4128 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4129 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4130 break;
4131 udelay(10);
4132 }
4133
4134 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4135 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4136 printk(KERN_ERR PFX "Chip reset did not complete\n");
4137 return -EBUSY;
4138 }
Michael Chanb6016b72005-05-26 13:03:09 -07004139 }
4140
4141 /* Make sure byte swapping is properly configured. */
4142 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4143 if (val != 0x01020304) {
4144 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4145 return -ENODEV;
4146 }
4147
Michael Chanb6016b72005-05-26 13:03:09 -07004148 /* Wait for the firmware to finish its initialization. */
Michael Chanb090ae22006-01-23 16:07:10 -08004149 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4150 if (rc)
4151 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004152
Michael Chan0d8a6572007-07-07 22:49:43 -07004153 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004154 old_port = bp->phy_port;
Michael Chan0d8a6572007-07-07 22:49:43 -07004155 bnx2_init_remote_phy(bp);
Michael Chan489310a2007-10-10 16:16:31 -07004156 if ((bp->phy_flags & REMOTE_PHY_CAP_FLAG) && old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004157 bnx2_set_default_remote_link(bp);
4158 spin_unlock_bh(&bp->phy_lock);
4159
Michael Chanb6016b72005-05-26 13:03:09 -07004160 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4161 /* Adjust the voltage regular to two steps lower. The default
4162 * of this register is 0x0000000e. */
4163 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4164
4165 /* Remove bad rbuf memory from the free pool. */
4166 rc = bnx2_alloc_bad_rbuf(bp);
4167 }
4168
4169 return rc;
4170}
4171
4172static int
4173bnx2_init_chip(struct bnx2 *bp)
4174{
4175 u32 val;
Michael Chanb090ae22006-01-23 16:07:10 -08004176 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004177
4178 /* Make sure the interrupt is not active. */
4179 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4180
4181 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4182 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4183#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004184 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004185#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004186 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004187 DMA_READ_CHANS << 12 |
4188 DMA_WRITE_CHANS << 16;
4189
4190 val |= (0x2 << 20) | (1 << 11);
4191
Michael Chandda1e392006-01-23 16:08:14 -08004192 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004193 val |= (1 << 23);
4194
4195 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4196 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
4197 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4198
4199 REG_WR(bp, BNX2_DMA_CONFIG, val);
4200
4201 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4202 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4203 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4204 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4205 }
4206
4207 if (bp->flags & PCIX_FLAG) {
4208 u16 val16;
4209
4210 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4211 &val16);
4212 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4213 val16 & ~PCI_X_CMD_ERO);
4214 }
4215
4216 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4217 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4218 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4219 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4220
4221 /* Initialize context mapping and zero out the quick contexts. The
4222 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004223 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4224 rc = bnx2_init_5709_context(bp);
4225 if (rc)
4226 return rc;
4227 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004228 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004229
Michael Chanfba9fe92006-06-12 22:21:25 -07004230 if ((rc = bnx2_init_cpus(bp)) != 0)
4231 return rc;
4232
Michael Chanb6016b72005-05-26 13:03:09 -07004233 bnx2_init_nvram(bp);
4234
4235 bnx2_set_mac_addr(bp);
4236
4237 val = REG_RD(bp, BNX2_MQ_CONFIG);
4238 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4239 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan68c9f752007-04-24 15:35:53 -07004240 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4241 val |= BNX2_MQ_CONFIG_HALT_DIS;
4242
Michael Chanb6016b72005-05-26 13:03:09 -07004243 REG_WR(bp, BNX2_MQ_CONFIG, val);
4244
4245 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4246 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4247 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4248
4249 val = (BCM_PAGE_BITS - 8) << 24;
4250 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4251
4252 /* Configure page size. */
4253 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4254 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4255 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4256 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4257
4258 val = bp->mac_addr[0] +
4259 (bp->mac_addr[1] << 8) +
4260 (bp->mac_addr[2] << 16) +
4261 bp->mac_addr[3] +
4262 (bp->mac_addr[4] << 8) +
4263 (bp->mac_addr[5] << 16);
4264 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4265
4266 /* Program the MTU. Also include 4 bytes for CRC32. */
4267 val = bp->dev->mtu + ETH_HLEN + 4;
4268 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4269 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4270 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4271
Michael Chan35efa7c2007-12-20 19:56:37 -08004272 bp->bnx2_napi.last_status_idx = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004273 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4274
4275 /* Set up how to generate a link change interrupt. */
4276 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4277
4278 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4279 (u64) bp->status_blk_mapping & 0xffffffff);
4280 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4281
4282 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4283 (u64) bp->stats_blk_mapping & 0xffffffff);
4284 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4285 (u64) bp->stats_blk_mapping >> 32);
4286
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004287 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004288 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4289
4290 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4291 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4292
4293 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4294 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4295
4296 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4297
4298 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4299
4300 REG_WR(bp, BNX2_HC_COM_TICKS,
4301 (bp->com_ticks_int << 16) | bp->com_ticks);
4302
4303 REG_WR(bp, BNX2_HC_CMD_TICKS,
4304 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4305
Michael Chan02537b062007-06-04 21:24:07 -07004306 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4307 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4308 else
Michael Chan7ea69202007-07-16 18:27:10 -07004309 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004310 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4311
4312 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004313 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004314 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004315 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4316 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004317 }
4318
Michael Chan8e6a72c2007-05-03 13:24:48 -07004319 if (bp->flags & ONE_SHOT_MSI_FLAG)
4320 val |= BNX2_HC_CONFIG_ONE_SHOT;
4321
4322 REG_WR(bp, BNX2_HC_CONFIG, val);
4323
Michael Chanb6016b72005-05-26 13:03:09 -07004324 /* Clear internal stats counters. */
4325 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4326
Michael Chanda3e4fb2007-05-03 13:24:23 -07004327 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004328
4329 /* Initialize the receive filter. */
4330 bnx2_set_rx_mode(bp->dev);
4331
Michael Chan0aa38df2007-06-04 21:23:06 -07004332 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4333 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4334 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4335 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4336 }
Michael Chanb090ae22006-01-23 16:07:10 -08004337 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4338 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004339
Michael Chandf149d72007-07-07 22:51:36 -07004340 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004341 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4342
4343 udelay(20);
4344
Michael Chanbf5295b2006-03-23 01:11:56 -08004345 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4346
Michael Chanb090ae22006-01-23 16:07:10 -08004347 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004348}
4349
Michael Chan59b47d82006-11-19 14:10:45 -08004350static void
4351bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4352{
4353 u32 val, offset0, offset1, offset2, offset3;
4354
4355 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4356 offset0 = BNX2_L2CTX_TYPE_XI;
4357 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4358 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4359 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4360 } else {
4361 offset0 = BNX2_L2CTX_TYPE;
4362 offset1 = BNX2_L2CTX_CMD_TYPE;
4363 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4364 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4365 }
4366 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4367 CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);
4368
4369 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4370 CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);
4371
4372 val = (u64) bp->tx_desc_mapping >> 32;
4373 CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);
4374
4375 val = (u64) bp->tx_desc_mapping & 0xffffffff;
4376 CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
4377}
Michael Chanb6016b72005-05-26 13:03:09 -07004378
4379static void
4380bnx2_init_tx_ring(struct bnx2 *bp)
4381{
4382 struct tx_bd *txbd;
Michael Chan59b47d82006-11-19 14:10:45 -08004383 u32 cid;
Michael Chanb6016b72005-05-26 13:03:09 -07004384
Michael Chan2f8af122006-08-15 01:39:10 -07004385 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4386
Michael Chanb6016b72005-05-26 13:03:09 -07004387 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004388
Michael Chanb6016b72005-05-26 13:03:09 -07004389 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4390 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4391
4392 bp->tx_prod = 0;
4393 bp->tx_cons = 0;
Michael Chanf4e418f2005-11-04 08:53:48 -08004394 bp->hw_tx_cons = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004395 bp->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004396
Michael Chan59b47d82006-11-19 14:10:45 -08004397 cid = TX_CID;
4398 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4399 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07004400
Michael Chan59b47d82006-11-19 14:10:45 -08004401 bnx2_init_tx_context(bp, cid);
Michael Chanb6016b72005-05-26 13:03:09 -07004402}
4403
4404static void
Michael Chan5d5d0012007-12-12 11:17:43 -08004405bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4406 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07004407{
Michael Chanb6016b72005-05-26 13:03:09 -07004408 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08004409 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07004410
Michael Chan5d5d0012007-12-12 11:17:43 -08004411 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08004412 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07004413
Michael Chan5d5d0012007-12-12 11:17:43 -08004414 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08004415 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08004416 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004417 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4418 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004419 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08004420 j = 0;
4421 else
4422 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08004423 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4424 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08004425 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004426}
4427
4428static void
4429bnx2_init_rx_ring(struct bnx2 *bp)
4430{
4431 int i;
4432 u16 prod, ring_prod;
4433 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4434
4435 bp->rx_prod = 0;
4436 bp->rx_cons = 0;
4437 bp->rx_prod_bseq = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08004438 bp->rx_pg_prod = 0;
4439 bp->rx_pg_cons = 0;
Michael Chan5d5d0012007-12-12 11:17:43 -08004440
4441 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4442 bp->rx_buf_use_size, bp->rx_max_ring);
4443
4444 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08004445 if (bp->rx_pg_ring_size) {
4446 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4447 bp->rx_pg_desc_mapping,
4448 PAGE_SIZE, bp->rx_max_pg_ring);
4449 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4450 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4451 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4452 BNX2_L2CTX_RBDC_JUMBO_KEY);
4453
4454 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4455 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4456
4457 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4458 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4459
4460 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4461 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4462 }
Michael Chanb6016b72005-05-26 13:03:09 -07004463
4464 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
4465 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
4466 val |= 0x02 << 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08004467 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004468
Michael Chan13daffa2006-03-20 17:49:20 -08004469 val = (u64) bp->rx_desc_mapping[0] >> 32;
Michael Chan5d5d0012007-12-12 11:17:43 -08004470 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004471
Michael Chan13daffa2006-03-20 17:49:20 -08004472 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
Michael Chan5d5d0012007-12-12 11:17:43 -08004473 CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004474
Michael Chan47bf4242007-12-12 11:19:12 -08004475 ring_prod = prod = bp->rx_pg_prod;
4476 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4477 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4478 break;
4479 prod = NEXT_RX_BD(prod);
4480 ring_prod = RX_PG_RING_IDX(prod);
4481 }
4482 bp->rx_pg_prod = prod;
4483
Michael Chan5d5d0012007-12-12 11:17:43 -08004484 ring_prod = prod = bp->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08004485 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004486 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
4487 break;
4488 }
4489 prod = NEXT_RX_BD(prod);
4490 ring_prod = RX_RING_IDX(prod);
4491 }
4492 bp->rx_prod = prod;
4493
Michael Chan47bf4242007-12-12 11:19:12 -08004494 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX, bp->rx_pg_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07004495 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4496
4497 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
4498}
4499
Michael Chan5d5d0012007-12-12 11:17:43 -08004500static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08004501{
Michael Chan5d5d0012007-12-12 11:17:43 -08004502 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08004503
Michael Chan5d5d0012007-12-12 11:17:43 -08004504 while (ring_size > MAX_RX_DESC_CNT) {
4505 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08004506 num_rings++;
4507 }
4508 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08004509 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08004510 while ((max & num_rings) == 0)
4511 max >>= 1;
4512
4513 if (num_rings != max)
4514 max <<= 1;
4515
Michael Chan5d5d0012007-12-12 11:17:43 -08004516 return max;
4517}
4518
4519static void
4520bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4521{
Michael Chan84eaa182007-12-12 11:19:57 -08004522 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08004523
4524 /* 8 for CRC and VLAN */
4525 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4526
Michael Chan84eaa182007-12-12 11:19:57 -08004527 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4528 sizeof(struct skb_shared_info);
4529
Michael Chan5d5d0012007-12-12 11:17:43 -08004530 bp->rx_copy_thresh = RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08004531 bp->rx_pg_ring_size = 0;
4532 bp->rx_max_pg_ring = 0;
4533 bp->rx_max_pg_ring_idx = 0;
Michael Chan84eaa182007-12-12 11:19:57 -08004534 if (rx_space > PAGE_SIZE) {
4535 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4536
4537 jumbo_size = size * pages;
4538 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4539 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4540
4541 bp->rx_pg_ring_size = jumbo_size;
4542 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4543 MAX_RX_PG_RINGS);
4544 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4545 rx_size = RX_COPY_THRESH + bp->rx_offset;
4546 bp->rx_copy_thresh = 0;
4547 }
Michael Chan5d5d0012007-12-12 11:17:43 -08004548
4549 bp->rx_buf_use_size = rx_size;
4550 /* hw alignment */
4551 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Michael Chan1db82f22007-12-12 11:19:35 -08004552 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
Michael Chan5d5d0012007-12-12 11:17:43 -08004553 bp->rx_ring_size = size;
4554 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08004555 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4556}
4557
4558static void
Michael Chanb6016b72005-05-26 13:03:09 -07004559bnx2_free_tx_skbs(struct bnx2 *bp)
4560{
4561 int i;
4562
4563 if (bp->tx_buf_ring == NULL)
4564 return;
4565
4566 for (i = 0; i < TX_DESC_CNT; ) {
4567 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4568 struct sk_buff *skb = tx_buf->skb;
4569 int j, last;
4570
4571 if (skb == NULL) {
4572 i++;
4573 continue;
4574 }
4575
4576 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4577 skb_headlen(skb), PCI_DMA_TODEVICE);
4578
4579 tx_buf->skb = NULL;
4580
4581 last = skb_shinfo(skb)->nr_frags;
4582 for (j = 0; j < last; j++) {
4583 tx_buf = &bp->tx_buf_ring[i + j + 1];
4584 pci_unmap_page(bp->pdev,
4585 pci_unmap_addr(tx_buf, mapping),
4586 skb_shinfo(skb)->frags[j].size,
4587 PCI_DMA_TODEVICE);
4588 }
Michael Chan745720e2006-06-29 12:37:41 -07004589 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004590 i += j + 1;
4591 }
4592
4593}
4594
4595static void
4596bnx2_free_rx_skbs(struct bnx2 *bp)
4597{
4598 int i;
4599
4600 if (bp->rx_buf_ring == NULL)
4601 return;
4602
Michael Chan13daffa2006-03-20 17:49:20 -08004603 for (i = 0; i < bp->rx_max_ring_idx; i++) {
Michael Chanb6016b72005-05-26 13:03:09 -07004604 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4605 struct sk_buff *skb = rx_buf->skb;
4606
Michael Chan05d0f1c2005-11-04 08:53:48 -08004607 if (skb == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004608 continue;
4609
4610 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4611 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4612
4613 rx_buf->skb = NULL;
4614
Michael Chan745720e2006-06-29 12:37:41 -07004615 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004616 }
Michael Chan47bf4242007-12-12 11:19:12 -08004617 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4618 bnx2_free_rx_page(bp, i);
Michael Chanb6016b72005-05-26 13:03:09 -07004619}
4620
4621static void
4622bnx2_free_skbs(struct bnx2 *bp)
4623{
4624 bnx2_free_tx_skbs(bp);
4625 bnx2_free_rx_skbs(bp);
4626}
4627
4628static int
4629bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4630{
4631 int rc;
4632
4633 rc = bnx2_reset_chip(bp, reset_code);
4634 bnx2_free_skbs(bp);
4635 if (rc)
4636 return rc;
4637
Michael Chanfba9fe92006-06-12 22:21:25 -07004638 if ((rc = bnx2_init_chip(bp)) != 0)
4639 return rc;
4640
Michael Chanb6016b72005-05-26 13:03:09 -07004641 bnx2_init_tx_ring(bp);
4642 bnx2_init_rx_ring(bp);
4643 return 0;
4644}
4645
4646static int
4647bnx2_init_nic(struct bnx2 *bp)
4648{
4649 int rc;
4650
4651 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4652 return rc;
4653
Michael Chan80be4432006-11-19 14:07:28 -08004654 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004655 bnx2_init_phy(bp);
4656 bnx2_set_link(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07004657 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004658 return 0;
4659}
4660
4661static int
4662bnx2_test_registers(struct bnx2 *bp)
4663{
4664 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07004665 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05004666 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004667 u16 offset;
4668 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07004669#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07004670 u32 rw_mask;
4671 u32 ro_mask;
4672 } reg_tbl[] = {
4673 { 0x006c, 0, 0x00000000, 0x0000003f },
4674 { 0x0090, 0, 0xffffffff, 0x00000000 },
4675 { 0x0094, 0, 0x00000000, 0x00000000 },
4676
Michael Chan5bae30c2007-05-03 13:18:46 -07004677 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4678 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4679 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4680 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4681 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4682 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4683 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4684 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4685 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07004686
Michael Chan5bae30c2007-05-03 13:18:46 -07004687 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4688 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4689 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4690 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4691 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4692 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07004693
Michael Chan5bae30c2007-05-03 13:18:46 -07004694 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4695 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4696 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004697
4698 { 0x1000, 0, 0x00000000, 0x00000001 },
4699 { 0x1004, 0, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07004700
4701 { 0x1408, 0, 0x01c00800, 0x00000000 },
4702 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4703 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004704 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004705 { 0x14b0, 0, 0x00000002, 0x00000001 },
4706 { 0x14b8, 0, 0x00000000, 0x00000000 },
4707 { 0x14c0, 0, 0x00000000, 0x00000009 },
4708 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4709 { 0x14cc, 0, 0x00000000, 0x00000001 },
4710 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004711
4712 { 0x1800, 0, 0x00000000, 0x00000001 },
4713 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07004714
4715 { 0x2800, 0, 0x00000000, 0x00000001 },
4716 { 0x2804, 0, 0x00000000, 0x00003f01 },
4717 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4718 { 0x2810, 0, 0xffff0000, 0x00000000 },
4719 { 0x2814, 0, 0xffff0000, 0x00000000 },
4720 { 0x2818, 0, 0xffff0000, 0x00000000 },
4721 { 0x281c, 0, 0xffff0000, 0x00000000 },
4722 { 0x2834, 0, 0xffffffff, 0x00000000 },
4723 { 0x2840, 0, 0x00000000, 0xffffffff },
4724 { 0x2844, 0, 0x00000000, 0xffffffff },
4725 { 0x2848, 0, 0xffffffff, 0x00000000 },
4726 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4727
4728 { 0x2c00, 0, 0x00000000, 0x00000011 },
4729 { 0x2c04, 0, 0x00000000, 0x00030007 },
4730
Michael Chanb6016b72005-05-26 13:03:09 -07004731 { 0x3c00, 0, 0x00000000, 0x00000001 },
4732 { 0x3c04, 0, 0x00000000, 0x00070000 },
4733 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4734 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4735 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4736 { 0x3c14, 0, 0x00000000, 0xffffffff },
4737 { 0x3c18, 0, 0x00000000, 0xffffffff },
4738 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4739 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004740
4741 { 0x5004, 0, 0x00000000, 0x0000007f },
4742 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004743
Michael Chanb6016b72005-05-26 13:03:09 -07004744 { 0x5c00, 0, 0x00000000, 0x00000001 },
4745 { 0x5c04, 0, 0x00000000, 0x0003000f },
4746 { 0x5c08, 0, 0x00000003, 0x00000000 },
4747 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4748 { 0x5c10, 0, 0x00000000, 0xffffffff },
4749 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4750 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4751 { 0x5c88, 0, 0x00000000, 0x00077373 },
4752 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4753
4754 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4755 { 0x680c, 0, 0xffffffff, 0x00000000 },
4756 { 0x6810, 0, 0xffffffff, 0x00000000 },
4757 { 0x6814, 0, 0xffffffff, 0x00000000 },
4758 { 0x6818, 0, 0xffffffff, 0x00000000 },
4759 { 0x681c, 0, 0xffffffff, 0x00000000 },
4760 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4761 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4762 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4763 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4764 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4765 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4766 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4767 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4768 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4769 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4770 { 0x684c, 0, 0xffffffff, 0x00000000 },
4771 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4772 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4773 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4774 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4775 { 0x6908, 0, 0x00000000, 0x0001ff0f },
4776 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
4777
4778 { 0xffff, 0, 0x00000000, 0x00000000 },
4779 };
4780
4781 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07004782 is_5709 = 0;
4783 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4784 is_5709 = 1;
4785
Michael Chanb6016b72005-05-26 13:03:09 -07004786 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
4787 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07004788 u16 flags = reg_tbl[i].flags;
4789
4790 if (is_5709 && (flags & BNX2_FL_NOT_5709))
4791 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07004792
4793 offset = (u32) reg_tbl[i].offset;
4794 rw_mask = reg_tbl[i].rw_mask;
4795 ro_mask = reg_tbl[i].ro_mask;
4796
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004797 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004798
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004799 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004800
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004801 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004802 if ((val & rw_mask) != 0) {
4803 goto reg_test_err;
4804 }
4805
4806 if ((val & ro_mask) != (save_val & ro_mask)) {
4807 goto reg_test_err;
4808 }
4809
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004810 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004811
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004812 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004813 if ((val & rw_mask) != rw_mask) {
4814 goto reg_test_err;
4815 }
4816
4817 if ((val & ro_mask) != (save_val & ro_mask)) {
4818 goto reg_test_err;
4819 }
4820
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004821 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004822 continue;
4823
4824reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004825 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07004826 ret = -ENODEV;
4827 break;
4828 }
4829 return ret;
4830}
4831
4832static int
4833bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
4834{
Arjan van de Venf71e1302006-03-03 21:33:57 -05004835 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07004836 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
4837 int i;
4838
4839 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
4840 u32 offset;
4841
4842 for (offset = 0; offset < size; offset += 4) {
4843
4844 REG_WR_IND(bp, start + offset, test_pattern[i]);
4845
4846 if (REG_RD_IND(bp, start + offset) !=
4847 test_pattern[i]) {
4848 return -ENODEV;
4849 }
4850 }
4851 }
4852 return 0;
4853}
4854
4855static int
4856bnx2_test_memory(struct bnx2 *bp)
4857{
4858 int ret = 0;
4859 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07004860 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07004861 u32 offset;
4862 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07004863 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07004864 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08004865 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07004866 { 0xe0000, 0x4000 },
4867 { 0x120000, 0x4000 },
4868 { 0x1a0000, 0x4000 },
4869 { 0x160000, 0x4000 },
4870 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07004871 },
4872 mem_tbl_5709[] = {
4873 { 0x60000, 0x4000 },
4874 { 0xa0000, 0x3000 },
4875 { 0xe0000, 0x4000 },
4876 { 0x120000, 0x4000 },
4877 { 0x1a0000, 0x4000 },
4878 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07004879 };
Michael Chan5bae30c2007-05-03 13:18:46 -07004880 struct mem_entry *mem_tbl;
4881
4882 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4883 mem_tbl = mem_tbl_5709;
4884 else
4885 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07004886
4887 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
4888 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
4889 mem_tbl[i].len)) != 0) {
4890 return ret;
4891 }
4892 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004893
Michael Chanb6016b72005-05-26 13:03:09 -07004894 return ret;
4895}
4896
Michael Chanbc5a0692006-01-23 16:13:22 -08004897#define BNX2_MAC_LOOPBACK 0
4898#define BNX2_PHY_LOOPBACK 1
4899
Michael Chanb6016b72005-05-26 13:03:09 -07004900static int
Michael Chanbc5a0692006-01-23 16:13:22 -08004901bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07004902{
4903 unsigned int pkt_size, num_pkts, i;
4904 struct sk_buff *skb, *rx_skb;
4905 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08004906 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07004907 dma_addr_t map;
4908 struct tx_bd *txbd;
4909 struct sw_bd *rx_buf;
4910 struct l2_fhdr *rx_hdr;
4911 int ret = -ENODEV;
Michael Chan35efa7c2007-12-20 19:56:37 -08004912 struct bnx2_napi *bnapi = &bp->bnx2_napi;
Michael Chanb6016b72005-05-26 13:03:09 -07004913
Michael Chanbc5a0692006-01-23 16:13:22 -08004914 if (loopback_mode == BNX2_MAC_LOOPBACK) {
4915 bp->loopback = MAC_LOOPBACK;
4916 bnx2_set_mac_loopback(bp);
4917 }
4918 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan489310a2007-10-10 16:16:31 -07004919 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
4920 return 0;
4921
Michael Chan80be4432006-11-19 14:07:28 -08004922 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08004923 bnx2_set_phy_loopback(bp);
4924 }
4925 else
4926 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07004927
Michael Chan84eaa182007-12-12 11:19:57 -08004928 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07004929 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08004930 if (!skb)
4931 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07004932 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08004933 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07004934 memset(packet + 6, 0x0, 8);
4935 for (i = 14; i < pkt_size; i++)
4936 packet[i] = (unsigned char) (i & 0xff);
4937
4938 map = pci_map_single(bp->pdev, skb->data, pkt_size,
4939 PCI_DMA_TODEVICE);
4940
Michael Chanbf5295b2006-03-23 01:11:56 -08004941 REG_WR(bp, BNX2_HC_COMMAND,
4942 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
4943
Michael Chanb6016b72005-05-26 13:03:09 -07004944 REG_RD(bp, BNX2_HC_COMMAND);
4945
4946 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08004947 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07004948
Michael Chanb6016b72005-05-26 13:03:09 -07004949 num_pkts = 0;
4950
Michael Chanbc5a0692006-01-23 16:13:22 -08004951 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07004952
4953 txbd->tx_bd_haddr_hi = (u64) map >> 32;
4954 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
4955 txbd->tx_bd_mss_nbytes = pkt_size;
4956 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
4957
4958 num_pkts++;
Michael Chanbc5a0692006-01-23 16:13:22 -08004959 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
4960 bp->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07004961
Michael Chan234754d2006-11-19 14:11:41 -08004962 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
4963 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07004964
4965 udelay(100);
4966
Michael Chanbf5295b2006-03-23 01:11:56 -08004967 REG_WR(bp, BNX2_HC_COMMAND,
4968 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
4969
Michael Chanb6016b72005-05-26 13:03:09 -07004970 REG_RD(bp, BNX2_HC_COMMAND);
4971
4972 udelay(5);
4973
4974 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07004975 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07004976
Michael Chan35efa7c2007-12-20 19:56:37 -08004977 if (bnx2_get_hw_tx_cons(bnapi) != bp->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07004978 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07004979
Michael Chan35efa7c2007-12-20 19:56:37 -08004980 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07004981 if (rx_idx != rx_start_idx + num_pkts) {
4982 goto loopback_test_done;
4983 }
4984
4985 rx_buf = &bp->rx_buf_ring[rx_start_idx];
4986 rx_skb = rx_buf->skb;
4987
4988 rx_hdr = (struct l2_fhdr *) rx_skb->data;
4989 skb_reserve(rx_skb, bp->rx_offset);
4990
4991 pci_dma_sync_single_for_cpu(bp->pdev,
4992 pci_unmap_addr(rx_buf, mapping),
4993 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
4994
Michael Chanade2bfe2006-01-23 16:09:51 -08004995 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07004996 (L2_FHDR_ERRORS_BAD_CRC |
4997 L2_FHDR_ERRORS_PHY_DECODE |
4998 L2_FHDR_ERRORS_ALIGNMENT |
4999 L2_FHDR_ERRORS_TOO_SHORT |
5000 L2_FHDR_ERRORS_GIANT_FRAME)) {
5001
5002 goto loopback_test_done;
5003 }
5004
5005 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5006 goto loopback_test_done;
5007 }
5008
5009 for (i = 14; i < pkt_size; i++) {
5010 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5011 goto loopback_test_done;
5012 }
5013 }
5014
5015 ret = 0;
5016
5017loopback_test_done:
5018 bp->loopback = 0;
5019 return ret;
5020}
5021
Michael Chanbc5a0692006-01-23 16:13:22 -08005022#define BNX2_MAC_LOOPBACK_FAILED 1
5023#define BNX2_PHY_LOOPBACK_FAILED 2
5024#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5025 BNX2_PHY_LOOPBACK_FAILED)
5026
5027static int
5028bnx2_test_loopback(struct bnx2 *bp)
5029{
5030 int rc = 0;
5031
5032 if (!netif_running(bp->dev))
5033 return BNX2_LOOPBACK_FAILED;
5034
5035 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5036 spin_lock_bh(&bp->phy_lock);
5037 bnx2_init_phy(bp);
5038 spin_unlock_bh(&bp->phy_lock);
5039 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5040 rc |= BNX2_MAC_LOOPBACK_FAILED;
5041 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5042 rc |= BNX2_PHY_LOOPBACK_FAILED;
5043 return rc;
5044}
5045
Michael Chanb6016b72005-05-26 13:03:09 -07005046#define NVRAM_SIZE 0x200
5047#define CRC32_RESIDUAL 0xdebb20e3
5048
5049static int
5050bnx2_test_nvram(struct bnx2 *bp)
5051{
5052 u32 buf[NVRAM_SIZE / 4];
5053 u8 *data = (u8 *) buf;
5054 int rc = 0;
5055 u32 magic, csum;
5056
5057 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5058 goto test_nvram_done;
5059
5060 magic = be32_to_cpu(buf[0]);
5061 if (magic != 0x669955aa) {
5062 rc = -ENODEV;
5063 goto test_nvram_done;
5064 }
5065
5066 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5067 goto test_nvram_done;
5068
5069 csum = ether_crc_le(0x100, data);
5070 if (csum != CRC32_RESIDUAL) {
5071 rc = -ENODEV;
5072 goto test_nvram_done;
5073 }
5074
5075 csum = ether_crc_le(0x100, data + 0x100);
5076 if (csum != CRC32_RESIDUAL) {
5077 rc = -ENODEV;
5078 }
5079
5080test_nvram_done:
5081 return rc;
5082}
5083
5084static int
5085bnx2_test_link(struct bnx2 *bp)
5086{
5087 u32 bmsr;
5088
Michael Chan489310a2007-10-10 16:16:31 -07005089 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
5090 if (bp->link_up)
5091 return 0;
5092 return -ENODEV;
5093 }
Michael Chanc770a652005-08-25 15:38:39 -07005094 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005095 bnx2_enable_bmsr1(bp);
5096 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5097 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5098 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005099 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005100
Michael Chanb6016b72005-05-26 13:03:09 -07005101 if (bmsr & BMSR_LSTATUS) {
5102 return 0;
5103 }
5104 return -ENODEV;
5105}
5106
5107static int
5108bnx2_test_intr(struct bnx2 *bp)
5109{
5110 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005111 u16 status_idx;
5112
5113 if (!netif_running(bp->dev))
5114 return -ENODEV;
5115
5116 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5117
5118 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005119 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005120 REG_RD(bp, BNX2_HC_COMMAND);
5121
5122 for (i = 0; i < 10; i++) {
5123 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5124 status_idx) {
5125
5126 break;
5127 }
5128
5129 msleep_interruptible(10);
5130 }
5131 if (i < 10)
5132 return 0;
5133
5134 return -ENODEV;
5135}
5136
5137static void
Michael Chan48b01e22006-11-19 14:08:00 -08005138bnx2_5706_serdes_timer(struct bnx2 *bp)
5139{
5140 spin_lock(&bp->phy_lock);
5141 if (bp->serdes_an_pending)
5142 bp->serdes_an_pending--;
5143 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5144 u32 bmcr;
5145
5146 bp->current_interval = bp->timer_interval;
5147
Michael Chanca58c3a2007-05-03 13:22:52 -07005148 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005149
5150 if (bmcr & BMCR_ANENABLE) {
5151 u32 phy1, phy2;
5152
5153 bnx2_write_phy(bp, 0x1c, 0x7c00);
5154 bnx2_read_phy(bp, 0x1c, &phy1);
5155
5156 bnx2_write_phy(bp, 0x17, 0x0f01);
5157 bnx2_read_phy(bp, 0x15, &phy2);
5158 bnx2_write_phy(bp, 0x17, 0x0f01);
5159 bnx2_read_phy(bp, 0x15, &phy2);
5160
5161 if ((phy1 & 0x10) && /* SIGNAL DETECT */
5162 !(phy2 & 0x20)) { /* no CONFIG */
5163
5164 bmcr &= ~BMCR_ANENABLE;
5165 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005166 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005167 bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
5168 }
5169 }
5170 }
5171 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5172 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
5173 u32 phy2;
5174
5175 bnx2_write_phy(bp, 0x17, 0x0f01);
5176 bnx2_read_phy(bp, 0x15, &phy2);
5177 if (phy2 & 0x20) {
5178 u32 bmcr;
5179
Michael Chanca58c3a2007-05-03 13:22:52 -07005180 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005181 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005182 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005183
5184 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
5185 }
5186 } else
5187 bp->current_interval = bp->timer_interval;
5188
5189 spin_unlock(&bp->phy_lock);
5190}
5191
5192static void
Michael Chanf8dd0642006-11-19 14:08:29 -08005193bnx2_5708_serdes_timer(struct bnx2 *bp)
5194{
Michael Chan0d8a6572007-07-07 22:49:43 -07005195 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
5196 return;
5197
Michael Chanf8dd0642006-11-19 14:08:29 -08005198 if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
5199 bp->serdes_an_pending = 0;
5200 return;
5201 }
5202
5203 spin_lock(&bp->phy_lock);
5204 if (bp->serdes_an_pending)
5205 bp->serdes_an_pending--;
5206 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5207 u32 bmcr;
5208
Michael Chanca58c3a2007-05-03 13:22:52 -07005209 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08005210 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07005211 bnx2_enable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005212 bp->current_interval = SERDES_FORCED_TIMEOUT;
5213 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07005214 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08005215 bp->serdes_an_pending = 2;
5216 bp->current_interval = bp->timer_interval;
5217 }
5218
5219 } else
5220 bp->current_interval = bp->timer_interval;
5221
5222 spin_unlock(&bp->phy_lock);
5223}
5224
5225static void
Michael Chanb6016b72005-05-26 13:03:09 -07005226bnx2_timer(unsigned long data)
5227{
5228 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07005229
Michael Chancd339a02005-08-25 15:35:24 -07005230 if (!netif_running(bp->dev))
5231 return;
5232
Michael Chanb6016b72005-05-26 13:03:09 -07005233 if (atomic_read(&bp->intr_sem) != 0)
5234 goto bnx2_restart_timer;
5235
Michael Chandf149d72007-07-07 22:51:36 -07005236 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005237
Michael Chancea94db2006-06-12 22:16:13 -07005238 bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
5239
Michael Chan02537b062007-06-04 21:24:07 -07005240 /* workaround occasional corrupted counters */
5241 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5242 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5243 BNX2_HC_COMMAND_STATS_NOW);
5244
Michael Chanf8dd0642006-11-19 14:08:29 -08005245 if (bp->phy_flags & PHY_SERDES_FLAG) {
5246 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5247 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07005248 else
Michael Chanf8dd0642006-11-19 14:08:29 -08005249 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005250 }
5251
5252bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07005253 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005254}
5255
Michael Chan8e6a72c2007-05-03 13:24:48 -07005256static int
5257bnx2_request_irq(struct bnx2 *bp)
5258{
5259 struct net_device *dev = bp->dev;
Michael Chan6d866ff2007-12-20 19:56:09 -08005260 unsigned long flags;
5261 struct bnx2_irq *irq = &bp->irq_tbl[0];
5262 int rc;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005263
Michael Chan6d866ff2007-12-20 19:56:09 -08005264 if (bp->flags & USING_MSI_FLAG)
5265 flags = 0;
5266 else
5267 flags = IRQF_SHARED;
5268 rc = request_irq(irq->vector, irq->handler, flags, dev->name, dev);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005269 return rc;
5270}
5271
5272static void
5273bnx2_free_irq(struct bnx2 *bp)
5274{
5275 struct net_device *dev = bp->dev;
5276
Michael Chan6d866ff2007-12-20 19:56:09 -08005277 free_irq(bp->irq_tbl[0].vector, dev);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005278 if (bp->flags & USING_MSI_FLAG) {
Michael Chan8e6a72c2007-05-03 13:24:48 -07005279 pci_disable_msi(bp->pdev);
5280 bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
Michael Chan6d866ff2007-12-20 19:56:09 -08005281 }
5282}
5283
5284static void
5285bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5286{
5287 bp->irq_tbl[0].handler = bnx2_interrupt;
5288 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5289
5290 if ((bp->flags & MSI_CAP_FLAG) && !dis_msi) {
5291 if (pci_enable_msi(bp->pdev) == 0) {
5292 bp->flags |= USING_MSI_FLAG;
5293 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5294 bp->flags |= ONE_SHOT_MSI_FLAG;
5295 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5296 } else
5297 bp->irq_tbl[0].handler = bnx2_msi;
5298 }
5299 }
5300
5301 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan8e6a72c2007-05-03 13:24:48 -07005302}
5303
Michael Chanb6016b72005-05-26 13:03:09 -07005304/* Called with rtnl_lock */
5305static int
5306bnx2_open(struct net_device *dev)
5307{
Michael Chan972ec0d2006-01-23 16:12:43 -08005308 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005309 int rc;
5310
Michael Chan1b2f9222007-05-03 13:20:19 -07005311 netif_carrier_off(dev);
5312
Pavel Machek829ca9a2005-09-03 15:56:56 -07005313 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005314 bnx2_disable_int(bp);
5315
5316 rc = bnx2_alloc_mem(bp);
5317 if (rc)
5318 return rc;
5319
Michael Chan6d866ff2007-12-20 19:56:09 -08005320 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08005321 bnx2_napi_enable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005322 rc = bnx2_request_irq(bp);
5323
Michael Chanb6016b72005-05-26 13:03:09 -07005324 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005325 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005326 bnx2_free_mem(bp);
5327 return rc;
5328 }
5329
5330 rc = bnx2_init_nic(bp);
5331
5332 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005333 bnx2_napi_disable(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005334 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005335 bnx2_free_skbs(bp);
5336 bnx2_free_mem(bp);
5337 return rc;
5338 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005339
Michael Chancd339a02005-08-25 15:35:24 -07005340 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005341
5342 atomic_set(&bp->intr_sem, 0);
5343
5344 bnx2_enable_int(bp);
5345
5346 if (bp->flags & USING_MSI_FLAG) {
5347 /* Test MSI to make sure it is working
5348 * If MSI test fails, go back to INTx mode
5349 */
5350 if (bnx2_test_intr(bp) != 0) {
5351 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5352 " using MSI, switching to INTx mode. Please"
5353 " report this failure to the PCI maintainer"
5354 " and include system chipset information.\n",
5355 bp->dev->name);
5356
5357 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005358 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005359
Michael Chan6d866ff2007-12-20 19:56:09 -08005360 bnx2_setup_int_mode(bp, 1);
5361
Michael Chanb6016b72005-05-26 13:03:09 -07005362 rc = bnx2_init_nic(bp);
5363
Michael Chan8e6a72c2007-05-03 13:24:48 -07005364 if (!rc)
5365 rc = bnx2_request_irq(bp);
5366
Michael Chanb6016b72005-05-26 13:03:09 -07005367 if (rc) {
Michael Chan35efa7c2007-12-20 19:56:37 -08005368 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005369 bnx2_free_skbs(bp);
5370 bnx2_free_mem(bp);
5371 del_timer_sync(&bp->timer);
5372 return rc;
5373 }
5374 bnx2_enable_int(bp);
5375 }
5376 }
5377 if (bp->flags & USING_MSI_FLAG) {
5378 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5379 }
5380
5381 netif_start_queue(dev);
5382
5383 return 0;
5384}
5385
5386static void
David Howellsc4028952006-11-22 14:57:56 +00005387bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07005388{
David Howellsc4028952006-11-22 14:57:56 +00005389 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07005390
Michael Chanafdc08b2005-08-25 15:34:29 -07005391 if (!netif_running(bp->dev))
5392 return;
5393
5394 bp->in_reset_task = 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005395 bnx2_netif_stop(bp);
5396
5397 bnx2_init_nic(bp);
5398
5399 atomic_set(&bp->intr_sem, 1);
5400 bnx2_netif_start(bp);
Michael Chanafdc08b2005-08-25 15:34:29 -07005401 bp->in_reset_task = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005402}
5403
5404static void
5405bnx2_tx_timeout(struct net_device *dev)
5406{
Michael Chan972ec0d2006-01-23 16:12:43 -08005407 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005408
5409 /* This allows the netif to be shutdown gracefully before resetting */
5410 schedule_work(&bp->reset_task);
5411}
5412
5413#ifdef BCM_VLAN
5414/* Called with rtnl_lock */
5415static void
5416bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5417{
Michael Chan972ec0d2006-01-23 16:12:43 -08005418 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005419
5420 bnx2_netif_stop(bp);
5421
5422 bp->vlgrp = vlgrp;
5423 bnx2_set_rx_mode(dev);
5424
5425 bnx2_netif_start(bp);
5426}
Michael Chanb6016b72005-05-26 13:03:09 -07005427#endif
5428
Herbert Xu932ff272006-06-09 12:20:56 -07005429/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07005430 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5431 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07005432 */
5433static int
5434bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5435{
Michael Chan972ec0d2006-01-23 16:12:43 -08005436 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005437 dma_addr_t mapping;
5438 struct tx_bd *txbd;
5439 struct sw_bd *tx_buf;
5440 u32 len, vlan_tag_flags, last_frag, mss;
5441 u16 prod, ring_prod;
5442 int i;
5443
Michael Chane89bbf12005-08-25 15:36:58 -07005444 if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07005445 netif_stop_queue(dev);
5446 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5447 dev->name);
5448
5449 return NETDEV_TX_BUSY;
5450 }
5451 len = skb_headlen(skb);
5452 prod = bp->tx_prod;
5453 ring_prod = TX_RING_IDX(prod);
5454
5455 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07005456 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07005457 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5458 }
5459
5460 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
5461 vlan_tag_flags |=
5462 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5463 }
Michael Chanfde82052007-05-03 17:23:35 -07005464 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005465 u32 tcp_opt_len, ip_tcp_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07005466 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07005467
Michael Chanb6016b72005-05-26 13:03:09 -07005468 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5469
Michael Chan4666f872007-05-03 13:22:28 -07005470 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07005471
Michael Chan4666f872007-05-03 13:22:28 -07005472 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5473 u32 tcp_off = skb_transport_offset(skb) -
5474 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07005475
Michael Chan4666f872007-05-03 13:22:28 -07005476 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5477 TX_BD_FLAGS_SW_FLAGS;
5478 if (likely(tcp_off == 0))
5479 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5480 else {
5481 tcp_off >>= 3;
5482 vlan_tag_flags |= ((tcp_off & 0x3) <<
5483 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5484 ((tcp_off & 0x10) <<
5485 TX_BD_FLAGS_TCP6_OFF4_SHL);
5486 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5487 }
5488 } else {
5489 if (skb_header_cloned(skb) &&
5490 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5491 dev_kfree_skb(skb);
5492 return NETDEV_TX_OK;
5493 }
5494
5495 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5496
5497 iph = ip_hdr(skb);
5498 iph->check = 0;
5499 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5500 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5501 iph->daddr, 0,
5502 IPPROTO_TCP,
5503 0);
5504 if (tcp_opt_len || (iph->ihl > 5)) {
5505 vlan_tag_flags |= ((iph->ihl - 5) +
5506 (tcp_opt_len >> 2)) << 8;
5507 }
Michael Chanb6016b72005-05-26 13:03:09 -07005508 }
Michael Chan4666f872007-05-03 13:22:28 -07005509 } else
Michael Chanb6016b72005-05-26 13:03:09 -07005510 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005511
5512 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005513
Michael Chanb6016b72005-05-26 13:03:09 -07005514 tx_buf = &bp->tx_buf_ring[ring_prod];
5515 tx_buf->skb = skb;
5516 pci_unmap_addr_set(tx_buf, mapping, mapping);
5517
5518 txbd = &bp->tx_desc_ring[ring_prod];
5519
5520 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5521 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5522 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5523 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5524
5525 last_frag = skb_shinfo(skb)->nr_frags;
5526
5527 for (i = 0; i < last_frag; i++) {
5528 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5529
5530 prod = NEXT_TX_BD(prod);
5531 ring_prod = TX_RING_IDX(prod);
5532 txbd = &bp->tx_desc_ring[ring_prod];
5533
5534 len = frag->size;
5535 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5536 len, PCI_DMA_TODEVICE);
5537 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5538 mapping, mapping);
5539
5540 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5541 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5542 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5543 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5544
5545 }
5546 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5547
5548 prod = NEXT_TX_BD(prod);
5549 bp->tx_prod_bseq += skb->len;
5550
Michael Chan234754d2006-11-19 14:11:41 -08005551 REG_WR16(bp, bp->tx_bidx_addr, prod);
5552 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005553
5554 mmiowb();
5555
5556 bp->tx_prod = prod;
5557 dev->trans_start = jiffies;
5558
Michael Chane89bbf12005-08-25 15:36:58 -07005559 if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
Michael Chane89bbf12005-08-25 15:36:58 -07005560 netif_stop_queue(dev);
Michael Chan2f8af122006-08-15 01:39:10 -07005561 if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
Michael Chane89bbf12005-08-25 15:36:58 -07005562 netif_wake_queue(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005563 }
5564
5565 return NETDEV_TX_OK;
5566}
5567
5568/* Called with rtnl_lock */
5569static int
5570bnx2_close(struct net_device *dev)
5571{
Michael Chan972ec0d2006-01-23 16:12:43 -08005572 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005573 u32 reset_code;
5574
Michael Chanafdc08b2005-08-25 15:34:29 -07005575 /* Calling flush_scheduled_work() may deadlock because
5576 * linkwatch_event() may be on the workqueue and it will try to get
5577 * the rtnl_lock which we are holding.
5578 */
5579 while (bp->in_reset_task)
5580 msleep(1);
5581
Stephen Hemmingerbea33482007-10-03 16:41:36 -07005582 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08005583 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005584 del_timer_sync(&bp->timer);
Michael Chandda1e392006-01-23 16:08:14 -08005585 if (bp->flags & NO_WOL_FLAG)
Michael Chan6c4f0952006-06-29 12:38:15 -07005586 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08005587 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07005588 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5589 else
5590 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5591 bnx2_reset_chip(bp, reset_code);
Michael Chan8e6a72c2007-05-03 13:24:48 -07005592 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005593 bnx2_free_skbs(bp);
5594 bnx2_free_mem(bp);
5595 bp->link_up = 0;
5596 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005597 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07005598 return 0;
5599}
5600
5601#define GET_NET_STATS64(ctr) \
5602 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5603 (unsigned long) (ctr##_lo)
5604
5605#define GET_NET_STATS32(ctr) \
5606 (ctr##_lo)
5607
5608#if (BITS_PER_LONG == 64)
5609#define GET_NET_STATS GET_NET_STATS64
5610#else
5611#define GET_NET_STATS GET_NET_STATS32
5612#endif
5613
5614static struct net_device_stats *
5615bnx2_get_stats(struct net_device *dev)
5616{
Michael Chan972ec0d2006-01-23 16:12:43 -08005617 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005618 struct statistics_block *stats_blk = bp->stats_blk;
5619 struct net_device_stats *net_stats = &bp->net_stats;
5620
5621 if (bp->stats_blk == NULL) {
5622 return net_stats;
5623 }
5624 net_stats->rx_packets =
5625 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5626 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5627 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5628
5629 net_stats->tx_packets =
5630 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5631 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5632 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5633
5634 net_stats->rx_bytes =
5635 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5636
5637 net_stats->tx_bytes =
5638 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5639
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005640 net_stats->multicast =
Michael Chanb6016b72005-05-26 13:03:09 -07005641 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5642
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005643 net_stats->collisions =
Michael Chanb6016b72005-05-26 13:03:09 -07005644 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5645
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005646 net_stats->rx_length_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005647 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5648 stats_blk->stat_EtherStatsOverrsizePkts);
5649
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005650 net_stats->rx_over_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005651 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5652
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005653 net_stats->rx_frame_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005654 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5655
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005656 net_stats->rx_crc_errors =
Michael Chanb6016b72005-05-26 13:03:09 -07005657 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5658
5659 net_stats->rx_errors = net_stats->rx_length_errors +
5660 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5661 net_stats->rx_crc_errors;
5662
5663 net_stats->tx_aborted_errors =
5664 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5665 stats_blk->stat_Dot3StatsLateCollisions);
5666
Michael Chan5b0c76a2005-11-04 08:45:49 -08005667 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5668 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005669 net_stats->tx_carrier_errors = 0;
5670 else {
5671 net_stats->tx_carrier_errors =
5672 (unsigned long)
5673 stats_blk->stat_Dot3StatsCarrierSenseErrors;
5674 }
5675
5676 net_stats->tx_errors =
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005677 (unsigned long)
Michael Chanb6016b72005-05-26 13:03:09 -07005678 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
5679 +
5680 net_stats->tx_aborted_errors +
5681 net_stats->tx_carrier_errors;
5682
Michael Chancea94db2006-06-12 22:16:13 -07005683 net_stats->rx_missed_errors =
5684 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
5685 stats_blk->stat_FwRxDrop);
5686
Michael Chanb6016b72005-05-26 13:03:09 -07005687 return net_stats;
5688}
5689
5690/* All ethtool functions called with rtnl_lock */
5691
5692static int
5693bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
5694{
Michael Chan972ec0d2006-01-23 16:12:43 -08005695 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07005696 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07005697
5698 cmd->supported = SUPPORTED_Autoneg;
Michael Chan7b6b8342007-07-07 22:50:15 -07005699 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
5700 support_serdes = 1;
5701 support_copper = 1;
5702 } else if (bp->phy_port == PORT_FIBRE)
5703 support_serdes = 1;
5704 else
5705 support_copper = 1;
5706
5707 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07005708 cmd->supported |= SUPPORTED_1000baseT_Full |
5709 SUPPORTED_FIBRE;
Michael Chan605a9e22007-05-03 13:23:13 -07005710 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
5711 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07005712
Michael Chanb6016b72005-05-26 13:03:09 -07005713 }
Michael Chan7b6b8342007-07-07 22:50:15 -07005714 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07005715 cmd->supported |= SUPPORTED_10baseT_Half |
5716 SUPPORTED_10baseT_Full |
5717 SUPPORTED_100baseT_Half |
5718 SUPPORTED_100baseT_Full |
5719 SUPPORTED_1000baseT_Full |
5720 SUPPORTED_TP;
5721
Michael Chanb6016b72005-05-26 13:03:09 -07005722 }
5723
Michael Chan7b6b8342007-07-07 22:50:15 -07005724 spin_lock_bh(&bp->phy_lock);
5725 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07005726 cmd->advertising = bp->advertising;
5727
5728 if (bp->autoneg & AUTONEG_SPEED) {
5729 cmd->autoneg = AUTONEG_ENABLE;
5730 }
5731 else {
5732 cmd->autoneg = AUTONEG_DISABLE;
5733 }
5734
5735 if (netif_carrier_ok(dev)) {
5736 cmd->speed = bp->line_speed;
5737 cmd->duplex = bp->duplex;
5738 }
5739 else {
5740 cmd->speed = -1;
5741 cmd->duplex = -1;
5742 }
Michael Chan7b6b8342007-07-07 22:50:15 -07005743 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005744
5745 cmd->transceiver = XCVR_INTERNAL;
5746 cmd->phy_address = bp->phy_addr;
5747
5748 return 0;
5749}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005750
Michael Chanb6016b72005-05-26 13:03:09 -07005751static int
5752bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
5753{
Michael Chan972ec0d2006-01-23 16:12:43 -08005754 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005755 u8 autoneg = bp->autoneg;
5756 u8 req_duplex = bp->req_duplex;
5757 u16 req_line_speed = bp->req_line_speed;
5758 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07005759 int err = -EINVAL;
5760
5761 spin_lock_bh(&bp->phy_lock);
5762
5763 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
5764 goto err_out_unlock;
5765
5766 if (cmd->port != bp->phy_port && !(bp->phy_flags & REMOTE_PHY_CAP_FLAG))
5767 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07005768
5769 if (cmd->autoneg == AUTONEG_ENABLE) {
5770 autoneg |= AUTONEG_SPEED;
5771
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005772 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07005773
5774 /* allow advertising 1 speed */
5775 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
5776 (cmd->advertising == ADVERTISED_10baseT_Full) ||
5777 (cmd->advertising == ADVERTISED_100baseT_Half) ||
5778 (cmd->advertising == ADVERTISED_100baseT_Full)) {
5779
Michael Chan7b6b8342007-07-07 22:50:15 -07005780 if (cmd->port == PORT_FIBRE)
5781 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07005782
5783 advertising = cmd->advertising;
5784
Michael Chan27a005b2007-05-03 13:23:41 -07005785 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
Michael Chan7b6b8342007-07-07 22:50:15 -07005786 if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ||
5787 (cmd->port == PORT_TP))
5788 goto err_out_unlock;
5789 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07005790 advertising = cmd->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07005791 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
5792 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07005793 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07005794 if (cmd->port == PORT_FIBRE)
Michael Chanb6016b72005-05-26 13:03:09 -07005795 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chan7b6b8342007-07-07 22:50:15 -07005796 else
Michael Chanb6016b72005-05-26 13:03:09 -07005797 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07005798 }
5799 advertising |= ADVERTISED_Autoneg;
5800 }
5801 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07005802 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08005803 if ((cmd->speed != SPEED_1000 &&
5804 cmd->speed != SPEED_2500) ||
5805 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07005806 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08005807
5808 if (cmd->speed == SPEED_2500 &&
5809 !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
Michael Chan7b6b8342007-07-07 22:50:15 -07005810 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07005811 }
Michael Chan7b6b8342007-07-07 22:50:15 -07005812 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
5813 goto err_out_unlock;
5814
Michael Chanb6016b72005-05-26 13:03:09 -07005815 autoneg &= ~AUTONEG_SPEED;
5816 req_line_speed = cmd->speed;
5817 req_duplex = cmd->duplex;
5818 advertising = 0;
5819 }
5820
5821 bp->autoneg = autoneg;
5822 bp->advertising = advertising;
5823 bp->req_line_speed = req_line_speed;
5824 bp->req_duplex = req_duplex;
5825
Michael Chan7b6b8342007-07-07 22:50:15 -07005826 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07005827
Michael Chan7b6b8342007-07-07 22:50:15 -07005828err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07005829 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005830
Michael Chan7b6b8342007-07-07 22:50:15 -07005831 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07005832}
5833
5834static void
5835bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
5836{
Michael Chan972ec0d2006-01-23 16:12:43 -08005837 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005838
5839 strcpy(info->driver, DRV_MODULE_NAME);
5840 strcpy(info->version, DRV_MODULE_VERSION);
5841 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07005842 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07005843}
5844
Michael Chan244ac4f2006-03-20 17:48:46 -08005845#define BNX2_REGDUMP_LEN (32 * 1024)
5846
5847static int
5848bnx2_get_regs_len(struct net_device *dev)
5849{
5850 return BNX2_REGDUMP_LEN;
5851}
5852
5853static void
5854bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
5855{
5856 u32 *p = _p, i, offset;
5857 u8 *orig_p = _p;
5858 struct bnx2 *bp = netdev_priv(dev);
5859 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
5860 0x0800, 0x0880, 0x0c00, 0x0c10,
5861 0x0c30, 0x0d08, 0x1000, 0x101c,
5862 0x1040, 0x1048, 0x1080, 0x10a4,
5863 0x1400, 0x1490, 0x1498, 0x14f0,
5864 0x1500, 0x155c, 0x1580, 0x15dc,
5865 0x1600, 0x1658, 0x1680, 0x16d8,
5866 0x1800, 0x1820, 0x1840, 0x1854,
5867 0x1880, 0x1894, 0x1900, 0x1984,
5868 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
5869 0x1c80, 0x1c94, 0x1d00, 0x1d84,
5870 0x2000, 0x2030, 0x23c0, 0x2400,
5871 0x2800, 0x2820, 0x2830, 0x2850,
5872 0x2b40, 0x2c10, 0x2fc0, 0x3058,
5873 0x3c00, 0x3c94, 0x4000, 0x4010,
5874 0x4080, 0x4090, 0x43c0, 0x4458,
5875 0x4c00, 0x4c18, 0x4c40, 0x4c54,
5876 0x4fc0, 0x5010, 0x53c0, 0x5444,
5877 0x5c00, 0x5c18, 0x5c80, 0x5c90,
5878 0x5fc0, 0x6000, 0x6400, 0x6428,
5879 0x6800, 0x6848, 0x684c, 0x6860,
5880 0x6888, 0x6910, 0x8000 };
5881
5882 regs->version = 0;
5883
5884 memset(p, 0, BNX2_REGDUMP_LEN);
5885
5886 if (!netif_running(bp->dev))
5887 return;
5888
5889 i = 0;
5890 offset = reg_boundaries[0];
5891 p += offset;
5892 while (offset < BNX2_REGDUMP_LEN) {
5893 *p++ = REG_RD(bp, offset);
5894 offset += 4;
5895 if (offset == reg_boundaries[i + 1]) {
5896 offset = reg_boundaries[i + 2];
5897 p = (u32 *) (orig_p + offset);
5898 i += 2;
5899 }
5900 }
5901}
5902
Michael Chanb6016b72005-05-26 13:03:09 -07005903static void
5904bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
5905{
Michael Chan972ec0d2006-01-23 16:12:43 -08005906 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005907
5908 if (bp->flags & NO_WOL_FLAG) {
5909 wol->supported = 0;
5910 wol->wolopts = 0;
5911 }
5912 else {
5913 wol->supported = WAKE_MAGIC;
5914 if (bp->wol)
5915 wol->wolopts = WAKE_MAGIC;
5916 else
5917 wol->wolopts = 0;
5918 }
5919 memset(&wol->sopass, 0, sizeof(wol->sopass));
5920}
5921
5922static int
5923bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
5924{
Michael Chan972ec0d2006-01-23 16:12:43 -08005925 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005926
5927 if (wol->wolopts & ~WAKE_MAGIC)
5928 return -EINVAL;
5929
5930 if (wol->wolopts & WAKE_MAGIC) {
5931 if (bp->flags & NO_WOL_FLAG)
5932 return -EINVAL;
5933
5934 bp->wol = 1;
5935 }
5936 else {
5937 bp->wol = 0;
5938 }
5939 return 0;
5940}
5941
5942static int
5943bnx2_nway_reset(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 u32 bmcr;
5947
5948 if (!(bp->autoneg & AUTONEG_SPEED)) {
5949 return -EINVAL;
5950 }
5951
Michael Chanc770a652005-08-25 15:38:39 -07005952 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005953
Michael Chan7b6b8342007-07-07 22:50:15 -07005954 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
5955 int rc;
5956
5957 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
5958 spin_unlock_bh(&bp->phy_lock);
5959 return rc;
5960 }
5961
Michael Chanb6016b72005-05-26 13:03:09 -07005962 /* Force a link down visible on the other side */
5963 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chanca58c3a2007-05-03 13:22:52 -07005964 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07005965 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005966
5967 msleep(20);
5968
Michael Chanc770a652005-08-25 15:38:39 -07005969 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08005970
5971 bp->current_interval = SERDES_AN_TIMEOUT;
5972 bp->serdes_an_pending = 1;
5973 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07005974 }
5975
Michael Chanca58c3a2007-05-03 13:22:52 -07005976 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07005977 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07005978 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07005979
Michael Chanc770a652005-08-25 15:38:39 -07005980 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005981
5982 return 0;
5983}
5984
5985static int
5986bnx2_get_eeprom_len(struct net_device *dev)
5987{
Michael Chan972ec0d2006-01-23 16:12:43 -08005988 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07005989
Michael Chan1122db72006-01-23 16:11:42 -08005990 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005991 return 0;
5992
Michael Chan1122db72006-01-23 16:11:42 -08005993 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005994}
5995
5996static int
5997bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
5998 u8 *eebuf)
5999{
Michael Chan972ec0d2006-01-23 16:12:43 -08006000 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006001 int rc;
6002
John W. Linville1064e942005-11-10 12:58:24 -08006003 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006004
6005 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6006
6007 return rc;
6008}
6009
6010static int
6011bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6012 u8 *eebuf)
6013{
Michael Chan972ec0d2006-01-23 16:12:43 -08006014 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006015 int rc;
6016
John W. Linville1064e942005-11-10 12:58:24 -08006017 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006018
6019 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6020
6021 return rc;
6022}
6023
6024static int
6025bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6026{
Michael Chan972ec0d2006-01-23 16:12:43 -08006027 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006028
6029 memset(coal, 0, sizeof(struct ethtool_coalesce));
6030
6031 coal->rx_coalesce_usecs = bp->rx_ticks;
6032 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6033 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6034 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6035
6036 coal->tx_coalesce_usecs = bp->tx_ticks;
6037 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6038 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6039 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6040
6041 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6042
6043 return 0;
6044}
6045
6046static int
6047bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6048{
Michael Chan972ec0d2006-01-23 16:12:43 -08006049 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006050
6051 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6052 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6053
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006054 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07006055 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6056
6057 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6058 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6059
6060 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6061 if (bp->rx_quick_cons_trip_int > 0xff)
6062 bp->rx_quick_cons_trip_int = 0xff;
6063
6064 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6065 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6066
6067 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6068 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6069
6070 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6071 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6072
6073 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6074 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6075 0xff;
6076
6077 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan02537b062007-06-04 21:24:07 -07006078 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6079 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6080 bp->stats_ticks = USEC_PER_SEC;
6081 }
Michael Chan7ea69202007-07-16 18:27:10 -07006082 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6083 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6084 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006085
6086 if (netif_running(bp->dev)) {
6087 bnx2_netif_stop(bp);
6088 bnx2_init_nic(bp);
6089 bnx2_netif_start(bp);
6090 }
6091
6092 return 0;
6093}
6094
6095static void
6096bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6097{
Michael Chan972ec0d2006-01-23 16:12:43 -08006098 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006099
Michael Chan13daffa2006-03-20 17:49:20 -08006100 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006101 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006102 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07006103
6104 ering->rx_pending = bp->rx_ring_size;
6105 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08006106 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006107
6108 ering->tx_max_pending = MAX_TX_DESC_CNT;
6109 ering->tx_pending = bp->tx_ring_size;
6110}
6111
6112static int
Michael Chan5d5d0012007-12-12 11:17:43 -08006113bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07006114{
Michael Chan13daffa2006-03-20 17:49:20 -08006115 if (netif_running(bp->dev)) {
6116 bnx2_netif_stop(bp);
6117 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6118 bnx2_free_skbs(bp);
6119 bnx2_free_mem(bp);
6120 }
6121
Michael Chan5d5d0012007-12-12 11:17:43 -08006122 bnx2_set_rx_ring_size(bp, rx);
6123 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07006124
6125 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08006126 int rc;
6127
6128 rc = bnx2_alloc_mem(bp);
6129 if (rc)
6130 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006131 bnx2_init_nic(bp);
6132 bnx2_netif_start(bp);
6133 }
Michael Chanb6016b72005-05-26 13:03:09 -07006134 return 0;
6135}
6136
Michael Chan5d5d0012007-12-12 11:17:43 -08006137static int
6138bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6139{
6140 struct bnx2 *bp = netdev_priv(dev);
6141 int rc;
6142
6143 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6144 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6145 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6146
6147 return -EINVAL;
6148 }
6149 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6150 return rc;
6151}
6152
Michael Chanb6016b72005-05-26 13:03:09 -07006153static void
6154bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6155{
Michael Chan972ec0d2006-01-23 16:12:43 -08006156 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006157
6158 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6159 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6160 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6161}
6162
6163static int
6164bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6165{
Michael Chan972ec0d2006-01-23 16:12:43 -08006166 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006167
6168 bp->req_flow_ctrl = 0;
6169 if (epause->rx_pause)
6170 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6171 if (epause->tx_pause)
6172 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6173
6174 if (epause->autoneg) {
6175 bp->autoneg |= AUTONEG_FLOW_CTRL;
6176 }
6177 else {
6178 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6179 }
6180
Michael Chanc770a652005-08-25 15:38:39 -07006181 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006182
Michael Chan0d8a6572007-07-07 22:49:43 -07006183 bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07006184
Michael Chanc770a652005-08-25 15:38:39 -07006185 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006186
6187 return 0;
6188}
6189
6190static u32
6191bnx2_get_rx_csum(struct net_device *dev)
6192{
Michael Chan972ec0d2006-01-23 16:12:43 -08006193 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006194
6195 return bp->rx_csum;
6196}
6197
6198static int
6199bnx2_set_rx_csum(struct net_device *dev, u32 data)
6200{
Michael Chan972ec0d2006-01-23 16:12:43 -08006201 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006202
6203 bp->rx_csum = data;
6204 return 0;
6205}
6206
Michael Chanb11d6212006-06-29 12:31:21 -07006207static int
6208bnx2_set_tso(struct net_device *dev, u32 data)
6209{
Michael Chan4666f872007-05-03 13:22:28 -07006210 struct bnx2 *bp = netdev_priv(dev);
6211
6212 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07006213 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07006214 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6215 dev->features |= NETIF_F_TSO6;
6216 } else
6217 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6218 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07006219 return 0;
6220}
6221
Michael Chancea94db2006-06-12 22:16:13 -07006222#define BNX2_NUM_STATS 46
Michael Chanb6016b72005-05-26 13:03:09 -07006223
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006224static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006225 char string[ETH_GSTRING_LEN];
6226} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6227 { "rx_bytes" },
6228 { "rx_error_bytes" },
6229 { "tx_bytes" },
6230 { "tx_error_bytes" },
6231 { "rx_ucast_packets" },
6232 { "rx_mcast_packets" },
6233 { "rx_bcast_packets" },
6234 { "tx_ucast_packets" },
6235 { "tx_mcast_packets" },
6236 { "tx_bcast_packets" },
6237 { "tx_mac_errors" },
6238 { "tx_carrier_errors" },
6239 { "rx_crc_errors" },
6240 { "rx_align_errors" },
6241 { "tx_single_collisions" },
6242 { "tx_multi_collisions" },
6243 { "tx_deferred" },
6244 { "tx_excess_collisions" },
6245 { "tx_late_collisions" },
6246 { "tx_total_collisions" },
6247 { "rx_fragments" },
6248 { "rx_jabbers" },
6249 { "rx_undersize_packets" },
6250 { "rx_oversize_packets" },
6251 { "rx_64_byte_packets" },
6252 { "rx_65_to_127_byte_packets" },
6253 { "rx_128_to_255_byte_packets" },
6254 { "rx_256_to_511_byte_packets" },
6255 { "rx_512_to_1023_byte_packets" },
6256 { "rx_1024_to_1522_byte_packets" },
6257 { "rx_1523_to_9022_byte_packets" },
6258 { "tx_64_byte_packets" },
6259 { "tx_65_to_127_byte_packets" },
6260 { "tx_128_to_255_byte_packets" },
6261 { "tx_256_to_511_byte_packets" },
6262 { "tx_512_to_1023_byte_packets" },
6263 { "tx_1024_to_1522_byte_packets" },
6264 { "tx_1523_to_9022_byte_packets" },
6265 { "rx_xon_frames" },
6266 { "rx_xoff_frames" },
6267 { "tx_xon_frames" },
6268 { "tx_xoff_frames" },
6269 { "rx_mac_ctrl_frames" },
6270 { "rx_filtered_packets" },
6271 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07006272 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07006273};
6274
6275#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6276
Arjan van de Venf71e1302006-03-03 21:33:57 -05006277static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006278 STATS_OFFSET32(stat_IfHCInOctets_hi),
6279 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6280 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6281 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6282 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6283 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6284 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6285 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6286 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6287 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6288 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006289 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6290 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6291 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6292 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6293 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6294 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6295 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6296 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6297 STATS_OFFSET32(stat_EtherStatsCollisions),
6298 STATS_OFFSET32(stat_EtherStatsFragments),
6299 STATS_OFFSET32(stat_EtherStatsJabbers),
6300 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6301 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6302 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6303 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6304 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6305 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6306 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6307 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6308 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6309 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6310 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6311 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6312 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6313 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6314 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6315 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6316 STATS_OFFSET32(stat_XonPauseFramesReceived),
6317 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6318 STATS_OFFSET32(stat_OutXonSent),
6319 STATS_OFFSET32(stat_OutXoffSent),
6320 STATS_OFFSET32(stat_MacControlFramesReceived),
6321 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6322 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07006323 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07006324};
6325
6326/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6327 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006328 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006329static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07006330 8,0,8,8,8,8,8,8,8,8,
6331 4,0,4,4,4,4,4,4,4,4,
6332 4,4,4,4,4,4,4,4,4,4,
6333 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006334 4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07006335};
6336
Michael Chan5b0c76a2005-11-04 08:45:49 -08006337static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6338 8,0,8,8,8,8,8,8,8,8,
6339 4,4,4,4,4,4,4,4,4,4,
6340 4,4,4,4,4,4,4,4,4,4,
6341 4,4,4,4,4,4,4,4,4,4,
Michael Chancea94db2006-06-12 22:16:13 -07006342 4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08006343};
6344
Michael Chanb6016b72005-05-26 13:03:09 -07006345#define BNX2_NUM_TESTS 6
6346
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006347static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07006348 char string[ETH_GSTRING_LEN];
6349} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6350 { "register_test (offline)" },
6351 { "memory_test (offline)" },
6352 { "loopback_test (offline)" },
6353 { "nvram_test (online)" },
6354 { "interrupt_test (online)" },
6355 { "link_test (online)" },
6356};
6357
6358static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006359bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07006360{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006361 switch (sset) {
6362 case ETH_SS_TEST:
6363 return BNX2_NUM_TESTS;
6364 case ETH_SS_STATS:
6365 return BNX2_NUM_STATS;
6366 default:
6367 return -EOPNOTSUPP;
6368 }
Michael Chanb6016b72005-05-26 13:03:09 -07006369}
6370
6371static void
6372bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6373{
Michael Chan972ec0d2006-01-23 16:12:43 -08006374 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006375
6376 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6377 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08006378 int i;
6379
Michael Chanb6016b72005-05-26 13:03:09 -07006380 bnx2_netif_stop(bp);
6381 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6382 bnx2_free_skbs(bp);
6383
6384 if (bnx2_test_registers(bp) != 0) {
6385 buf[0] = 1;
6386 etest->flags |= ETH_TEST_FL_FAILED;
6387 }
6388 if (bnx2_test_memory(bp) != 0) {
6389 buf[1] = 1;
6390 etest->flags |= ETH_TEST_FL_FAILED;
6391 }
Michael Chanbc5a0692006-01-23 16:13:22 -08006392 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07006393 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07006394
6395 if (!netif_running(bp->dev)) {
6396 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6397 }
6398 else {
6399 bnx2_init_nic(bp);
6400 bnx2_netif_start(bp);
6401 }
6402
6403 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08006404 for (i = 0; i < 7; i++) {
6405 if (bp->link_up)
6406 break;
6407 msleep_interruptible(1000);
6408 }
Michael Chanb6016b72005-05-26 13:03:09 -07006409 }
6410
6411 if (bnx2_test_nvram(bp) != 0) {
6412 buf[3] = 1;
6413 etest->flags |= ETH_TEST_FL_FAILED;
6414 }
6415 if (bnx2_test_intr(bp) != 0) {
6416 buf[4] = 1;
6417 etest->flags |= ETH_TEST_FL_FAILED;
6418 }
6419
6420 if (bnx2_test_link(bp) != 0) {
6421 buf[5] = 1;
6422 etest->flags |= ETH_TEST_FL_FAILED;
6423
6424 }
6425}
6426
6427static void
6428bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6429{
6430 switch (stringset) {
6431 case ETH_SS_STATS:
6432 memcpy(buf, bnx2_stats_str_arr,
6433 sizeof(bnx2_stats_str_arr));
6434 break;
6435 case ETH_SS_TEST:
6436 memcpy(buf, bnx2_tests_str_arr,
6437 sizeof(bnx2_tests_str_arr));
6438 break;
6439 }
6440}
6441
Michael Chanb6016b72005-05-26 13:03:09 -07006442static void
6443bnx2_get_ethtool_stats(struct net_device *dev,
6444 struct ethtool_stats *stats, u64 *buf)
6445{
Michael Chan972ec0d2006-01-23 16:12:43 -08006446 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006447 int i;
6448 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006449 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07006450
6451 if (hw_stats == NULL) {
6452 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6453 return;
6454 }
6455
Michael Chan5b0c76a2005-11-04 08:45:49 -08006456 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6457 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6458 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6459 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006460 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08006461 else
6462 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07006463
6464 for (i = 0; i < BNX2_NUM_STATS; i++) {
6465 if (stats_len_arr[i] == 0) {
6466 /* skip this counter */
6467 buf[i] = 0;
6468 continue;
6469 }
6470 if (stats_len_arr[i] == 4) {
6471 /* 4-byte counter */
6472 buf[i] = (u64)
6473 *(hw_stats + bnx2_stats_offset_arr[i]);
6474 continue;
6475 }
6476 /* 8-byte counter */
6477 buf[i] = (((u64) *(hw_stats +
6478 bnx2_stats_offset_arr[i])) << 32) +
6479 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6480 }
6481}
6482
6483static int
6484bnx2_phys_id(struct net_device *dev, u32 data)
6485{
Michael Chan972ec0d2006-01-23 16:12:43 -08006486 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006487 int i;
6488 u32 save;
6489
6490 if (data == 0)
6491 data = 2;
6492
6493 save = REG_RD(bp, BNX2_MISC_CFG);
6494 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6495
6496 for (i = 0; i < (data * 2); i++) {
6497 if ((i % 2) == 0) {
6498 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6499 }
6500 else {
6501 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6502 BNX2_EMAC_LED_1000MB_OVERRIDE |
6503 BNX2_EMAC_LED_100MB_OVERRIDE |
6504 BNX2_EMAC_LED_10MB_OVERRIDE |
6505 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6506 BNX2_EMAC_LED_TRAFFIC);
6507 }
6508 msleep_interruptible(500);
6509 if (signal_pending(current))
6510 break;
6511 }
6512 REG_WR(bp, BNX2_EMAC_LED, 0);
6513 REG_WR(bp, BNX2_MISC_CFG, save);
6514 return 0;
6515}
6516
Michael Chan4666f872007-05-03 13:22:28 -07006517static int
6518bnx2_set_tx_csum(struct net_device *dev, u32 data)
6519{
6520 struct bnx2 *bp = netdev_priv(dev);
6521
6522 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07006523 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07006524 else
6525 return (ethtool_op_set_tx_csum(dev, data));
6526}
6527
Jeff Garzik7282d492006-09-13 14:30:00 -04006528static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07006529 .get_settings = bnx2_get_settings,
6530 .set_settings = bnx2_set_settings,
6531 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08006532 .get_regs_len = bnx2_get_regs_len,
6533 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07006534 .get_wol = bnx2_get_wol,
6535 .set_wol = bnx2_set_wol,
6536 .nway_reset = bnx2_nway_reset,
6537 .get_link = ethtool_op_get_link,
6538 .get_eeprom_len = bnx2_get_eeprom_len,
6539 .get_eeprom = bnx2_get_eeprom,
6540 .set_eeprom = bnx2_set_eeprom,
6541 .get_coalesce = bnx2_get_coalesce,
6542 .set_coalesce = bnx2_set_coalesce,
6543 .get_ringparam = bnx2_get_ringparam,
6544 .set_ringparam = bnx2_set_ringparam,
6545 .get_pauseparam = bnx2_get_pauseparam,
6546 .set_pauseparam = bnx2_set_pauseparam,
6547 .get_rx_csum = bnx2_get_rx_csum,
6548 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07006549 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07006550 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07006551 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07006552 .self_test = bnx2_self_test,
6553 .get_strings = bnx2_get_strings,
6554 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07006555 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07006556 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07006557};
6558
6559/* Called with rtnl_lock */
6560static int
6561bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6562{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07006563 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08006564 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006565 int err;
6566
6567 switch(cmd) {
6568 case SIOCGMIIPHY:
6569 data->phy_id = bp->phy_addr;
6570
6571 /* fallthru */
6572 case SIOCGMIIREG: {
6573 u32 mii_regval;
6574
Michael Chan7b6b8342007-07-07 22:50:15 -07006575 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
6576 return -EOPNOTSUPP;
6577
Michael Chandad3e452007-05-03 13:18:03 -07006578 if (!netif_running(dev))
6579 return -EAGAIN;
6580
Michael Chanc770a652005-08-25 15:38:39 -07006581 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006582 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07006583 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006584
6585 data->val_out = mii_regval;
6586
6587 return err;
6588 }
6589
6590 case SIOCSMIIREG:
6591 if (!capable(CAP_NET_ADMIN))
6592 return -EPERM;
6593
Michael Chan7b6b8342007-07-07 22:50:15 -07006594 if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
6595 return -EOPNOTSUPP;
6596
Michael Chandad3e452007-05-03 13:18:03 -07006597 if (!netif_running(dev))
6598 return -EAGAIN;
6599
Michael Chanc770a652005-08-25 15:38:39 -07006600 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006601 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07006602 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006603
6604 return err;
6605
6606 default:
6607 /* do nothing */
6608 break;
6609 }
6610 return -EOPNOTSUPP;
6611}
6612
6613/* Called with rtnl_lock */
6614static int
6615bnx2_change_mac_addr(struct net_device *dev, void *p)
6616{
6617 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08006618 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006619
Michael Chan73eef4c2005-08-25 15:39:15 -07006620 if (!is_valid_ether_addr(addr->sa_data))
6621 return -EINVAL;
6622
Michael Chanb6016b72005-05-26 13:03:09 -07006623 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6624 if (netif_running(dev))
6625 bnx2_set_mac_addr(bp);
6626
6627 return 0;
6628}
6629
6630/* Called with rtnl_lock */
6631static int
6632bnx2_change_mtu(struct net_device *dev, int new_mtu)
6633{
Michael Chan972ec0d2006-01-23 16:12:43 -08006634 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006635
6636 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6637 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6638 return -EINVAL;
6639
6640 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08006641 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07006642}
6643
6644#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6645static void
6646poll_bnx2(struct net_device *dev)
6647{
Michael Chan972ec0d2006-01-23 16:12:43 -08006648 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006649
6650 disable_irq(bp->pdev->irq);
David Howells7d12e782006-10-05 14:55:46 +01006651 bnx2_interrupt(bp->pdev->irq, dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006652 enable_irq(bp->pdev->irq);
6653}
6654#endif
6655
Michael Chan253c8b72007-01-08 19:56:01 -08006656static void __devinit
6657bnx2_get_5709_media(struct bnx2 *bp)
6658{
6659 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6660 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6661 u32 strap;
6662
6663 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6664 return;
6665 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6666 bp->phy_flags |= PHY_SERDES_FLAG;
6667 return;
6668 }
6669
6670 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
6671 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
6672 else
6673 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
6674
6675 if (PCI_FUNC(bp->pdev->devfn) == 0) {
6676 switch (strap) {
6677 case 0x4:
6678 case 0x5:
6679 case 0x6:
6680 bp->phy_flags |= PHY_SERDES_FLAG;
6681 return;
6682 }
6683 } else {
6684 switch (strap) {
6685 case 0x1:
6686 case 0x2:
6687 case 0x4:
6688 bp->phy_flags |= PHY_SERDES_FLAG;
6689 return;
6690 }
6691 }
6692}
6693
Michael Chan883e5152007-05-03 13:25:11 -07006694static void __devinit
6695bnx2_get_pci_speed(struct bnx2 *bp)
6696{
6697 u32 reg;
6698
6699 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
6700 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
6701 u32 clkreg;
6702
6703 bp->flags |= PCIX_FLAG;
6704
6705 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
6706
6707 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
6708 switch (clkreg) {
6709 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
6710 bp->bus_speed_mhz = 133;
6711 break;
6712
6713 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
6714 bp->bus_speed_mhz = 100;
6715 break;
6716
6717 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
6718 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
6719 bp->bus_speed_mhz = 66;
6720 break;
6721
6722 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
6723 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
6724 bp->bus_speed_mhz = 50;
6725 break;
6726
6727 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
6728 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
6729 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
6730 bp->bus_speed_mhz = 33;
6731 break;
6732 }
6733 }
6734 else {
6735 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
6736 bp->bus_speed_mhz = 66;
6737 else
6738 bp->bus_speed_mhz = 33;
6739 }
6740
6741 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
6742 bp->flags |= PCI_32BIT_FLAG;
6743
6744}
6745
Michael Chanb6016b72005-05-26 13:03:09 -07006746static int __devinit
6747bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
6748{
6749 struct bnx2 *bp;
6750 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07006751 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07006752 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07006753 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07006754
Michael Chanb6016b72005-05-26 13:03:09 -07006755 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08006756 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006757
6758 bp->flags = 0;
6759 bp->phy_flags = 0;
6760
6761 /* enable device (incl. PCI PM wakeup), and bus-mastering */
6762 rc = pci_enable_device(pdev);
6763 if (rc) {
Joe Perches898eb712007-10-18 03:06:30 -07006764 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006765 goto err_out;
6766 }
6767
6768 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006769 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04006770 "Cannot find PCI device base address, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006771 rc = -ENODEV;
6772 goto err_out_disable;
6773 }
6774
6775 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
6776 if (rc) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006777 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006778 goto err_out_disable;
6779 }
6780
6781 pci_set_master(pdev);
6782
6783 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
6784 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006785 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04006786 "Cannot find power management capability, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006787 rc = -EIO;
6788 goto err_out_release;
6789 }
6790
Michael Chanb6016b72005-05-26 13:03:09 -07006791 bp->dev = dev;
6792 bp->pdev = pdev;
6793
6794 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07006795 spin_lock_init(&bp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +00006796 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006797
6798 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan59b47d82006-11-19 14:10:45 -08006799 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006800 dev->mem_end = dev->mem_start + mem_len;
6801 dev->irq = pdev->irq;
6802
6803 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
6804
6805 if (!bp->regview) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006806 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006807 rc = -ENOMEM;
6808 goto err_out_release;
6809 }
6810
6811 /* Configure byte swap and enable write to the reg_window registers.
6812 * Rely on CPU to do target byte swapping on big endian systems
6813 * The chip's target access swapping will not swap all accesses
6814 */
6815 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
6816 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
6817 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
6818
Pavel Machek829ca9a2005-09-03 15:56:56 -07006819 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006820
6821 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
6822
Michael Chan883e5152007-05-03 13:25:11 -07006823 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6824 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
6825 dev_err(&pdev->dev,
6826 "Cannot find PCIE capability, aborting.\n");
6827 rc = -EIO;
6828 goto err_out_unmap;
6829 }
6830 bp->flags |= PCIE_FLAG;
6831 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08006832 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
6833 if (bp->pcix_cap == 0) {
6834 dev_err(&pdev->dev,
6835 "Cannot find PCIX capability, aborting.\n");
6836 rc = -EIO;
6837 goto err_out_unmap;
6838 }
6839 }
6840
Michael Chan8e6a72c2007-05-03 13:24:48 -07006841 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
6842 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
6843 bp->flags |= MSI_CAP_FLAG;
6844 }
6845
Michael Chan40453c82007-05-03 13:19:18 -07006846 /* 5708 cannot support DMA addresses > 40-bit. */
6847 if (CHIP_NUM(bp) == CHIP_NUM_5708)
6848 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
6849 else
6850 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
6851
6852 /* Configure DMA attributes. */
6853 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
6854 dev->features |= NETIF_F_HIGHDMA;
6855 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
6856 if (rc) {
6857 dev_err(&pdev->dev,
6858 "pci_set_consistent_dma_mask failed, aborting.\n");
6859 goto err_out_unmap;
6860 }
6861 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
6862 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
6863 goto err_out_unmap;
6864 }
6865
Michael Chan883e5152007-05-03 13:25:11 -07006866 if (!(bp->flags & PCIE_FLAG))
6867 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006868
6869 /* 5706A0 may falsely detect SERR and PERR. */
6870 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
6871 reg = REG_RD(bp, PCI_COMMAND);
6872 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
6873 REG_WR(bp, PCI_COMMAND, reg);
6874 }
6875 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
6876 !(bp->flags & PCIX_FLAG)) {
6877
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006878 dev_err(&pdev->dev,
Jeff Garzik2e8a5382006-06-27 10:47:51 -04006879 "5706 A1 can only be used in a PCIX bus, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006880 goto err_out_unmap;
6881 }
6882
6883 bnx2_init_nvram(bp);
6884
Michael Chane3648b32005-11-04 08:51:21 -08006885 reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
6886
6887 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08006888 BNX2_SHM_HDR_SIGNATURE_SIG) {
6889 u32 off = PCI_FUNC(pdev->devfn) << 2;
6890
6891 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
6892 } else
Michael Chane3648b32005-11-04 08:51:21 -08006893 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
6894
Michael Chanb6016b72005-05-26 13:03:09 -07006895 /* Get the permanent MAC address. First we need to make sure the
6896 * firmware is actually running.
6897 */
Michael Chane3648b32005-11-04 08:51:21 -08006898 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07006899
6900 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
6901 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04006902 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006903 rc = -ENODEV;
6904 goto err_out_unmap;
6905 }
6906
Michael Chan58fc2ea2007-07-07 22:52:02 -07006907 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
6908 for (i = 0, j = 0; i < 3; i++) {
6909 u8 num, k, skip0;
6910
6911 num = (u8) (reg >> (24 - (i * 8)));
6912 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
6913 if (num >= k || !skip0 || k == 1) {
6914 bp->fw_version[j++] = (num / k) + '0';
6915 skip0 = 0;
6916 }
6917 }
6918 if (i != 2)
6919 bp->fw_version[j++] = '.';
6920 }
Michael Chan846f5c62007-10-10 16:16:51 -07006921 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE);
6922 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
6923 bp->wol = 1;
6924
6925 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
Michael Chanc2d3db82007-07-16 18:26:43 -07006926 bp->flags |= ASF_ENABLE_FLAG;
6927
6928 for (i = 0; i < 30; i++) {
6929 reg = REG_RD_IND(bp, bp->shmem_base +
6930 BNX2_BC_STATE_CONDITION);
6931 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
6932 break;
6933 msleep(10);
6934 }
6935 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07006936 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_BC_STATE_CONDITION);
6937 reg &= BNX2_CONDITION_MFW_RUN_MASK;
6938 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
6939 reg != BNX2_CONDITION_MFW_RUN_NONE) {
6940 int i;
6941 u32 addr = REG_RD_IND(bp, bp->shmem_base + BNX2_MFW_VER_PTR);
6942
6943 bp->fw_version[j++] = ' ';
6944 for (i = 0; i < 3; i++) {
6945 reg = REG_RD_IND(bp, addr + i * 4);
6946 reg = swab32(reg);
6947 memcpy(&bp->fw_version[j], &reg, 4);
6948 j += 4;
6949 }
6950 }
Michael Chanb6016b72005-05-26 13:03:09 -07006951
Michael Chane3648b32005-11-04 08:51:21 -08006952 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07006953 bp->mac_addr[0] = (u8) (reg >> 8);
6954 bp->mac_addr[1] = (u8) reg;
6955
Michael Chane3648b32005-11-04 08:51:21 -08006956 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07006957 bp->mac_addr[2] = (u8) (reg >> 24);
6958 bp->mac_addr[3] = (u8) (reg >> 16);
6959 bp->mac_addr[4] = (u8) (reg >> 8);
6960 bp->mac_addr[5] = (u8) reg;
6961
Michael Chan5d5d0012007-12-12 11:17:43 -08006962 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
6963
Michael Chanb6016b72005-05-26 13:03:09 -07006964 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07006965 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07006966
6967 bp->rx_csum = 1;
6968
Michael Chanb6016b72005-05-26 13:03:09 -07006969 bp->tx_quick_cons_trip_int = 20;
6970 bp->tx_quick_cons_trip = 20;
6971 bp->tx_ticks_int = 80;
6972 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006973
Michael Chanb6016b72005-05-26 13:03:09 -07006974 bp->rx_quick_cons_trip_int = 6;
6975 bp->rx_quick_cons_trip = 6;
6976 bp->rx_ticks_int = 18;
6977 bp->rx_ticks = 18;
6978
Michael Chan7ea69202007-07-16 18:27:10 -07006979 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07006980
6981 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07006982 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07006983
Michael Chan5b0c76a2005-11-04 08:45:49 -08006984 bp->phy_addr = 1;
6985
Michael Chanb6016b72005-05-26 13:03:09 -07006986 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08006987 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6988 bnx2_get_5709_media(bp);
6989 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chanb6016b72005-05-26 13:03:09 -07006990 bp->phy_flags |= PHY_SERDES_FLAG;
Michael Chanbac0dff2006-11-19 14:15:05 -08006991
Michael Chan0d8a6572007-07-07 22:49:43 -07006992 bp->phy_port = PORT_TP;
Michael Chanbac0dff2006-11-19 14:15:05 -08006993 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan0d8a6572007-07-07 22:49:43 -07006994 bp->phy_port = PORT_FIBRE;
Michael Chan846f5c62007-10-10 16:16:51 -07006995 reg = REG_RD_IND(bp, bp->shmem_base +
6996 BNX2_SHARED_HW_CFG_CONFIG);
6997 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
6998 bp->flags |= NO_WOL_FLAG;
6999 bp->wol = 0;
7000 }
Michael Chanbac0dff2006-11-19 14:15:05 -08007001 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08007002 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007003 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7004 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
7005 }
Michael Chan0d8a6572007-07-07 22:49:43 -07007006 bnx2_init_remote_phy(bp);
7007
Michael Chan261dd5c2007-01-08 19:55:46 -08007008 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7009 CHIP_NUM(bp) == CHIP_NUM_5708)
7010 bp->phy_flags |= PHY_CRC_FIX_FLAG;
Michael Chanfb0c18b2007-12-10 17:18:23 -08007011 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7012 (CHIP_REV(bp) == CHIP_REV_Ax ||
7013 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chanb659f442007-02-02 00:46:35 -08007014 bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
Michael Chanb6016b72005-05-26 13:03:09 -07007015
Michael Chan16088272006-06-12 22:16:43 -07007016 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7017 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan846f5c62007-10-10 16:16:51 -07007018 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chandda1e392006-01-23 16:08:14 -08007019 bp->flags |= NO_WOL_FLAG;
Michael Chan846f5c62007-10-10 16:16:51 -07007020 bp->wol = 0;
7021 }
Michael Chandda1e392006-01-23 16:08:14 -08007022
Michael Chanb6016b72005-05-26 13:03:09 -07007023 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7024 bp->tx_quick_cons_trip_int =
7025 bp->tx_quick_cons_trip;
7026 bp->tx_ticks_int = bp->tx_ticks;
7027 bp->rx_quick_cons_trip_int =
7028 bp->rx_quick_cons_trip;
7029 bp->rx_ticks_int = bp->rx_ticks;
7030 bp->comp_prod_trip_int = bp->comp_prod_trip;
7031 bp->com_ticks_int = bp->com_ticks;
7032 bp->cmd_ticks_int = bp->cmd_ticks;
7033 }
7034
Michael Chanf9317a42006-09-29 17:06:23 -07007035 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7036 *
7037 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7038 * with byte enables disabled on the unused 32-bit word. This is legal
7039 * but causes problems on the AMD 8132 which will eventually stop
7040 * responding after a while.
7041 *
7042 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11007043 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07007044 */
7045 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7046 struct pci_dev *amd_8132 = NULL;
7047
7048 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7049 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7050 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07007051
Auke Kok44c10132007-06-08 15:46:36 -07007052 if (amd_8132->revision >= 0x10 &&
7053 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07007054 disable_msi = 1;
7055 pci_dev_put(amd_8132);
7056 break;
7057 }
7058 }
7059 }
7060
Michael Chandeaf3912007-07-07 22:48:00 -07007061 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007062 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7063
Michael Chancd339a02005-08-25 15:35:24 -07007064 init_timer(&bp->timer);
7065 bp->timer.expires = RUN_AT(bp->timer_interval);
7066 bp->timer.data = (unsigned long) bp;
7067 bp->timer.function = bnx2_timer;
7068
Michael Chanb6016b72005-05-26 13:03:09 -07007069 return 0;
7070
7071err_out_unmap:
7072 if (bp->regview) {
7073 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07007074 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007075 }
7076
7077err_out_release:
7078 pci_release_regions(pdev);
7079
7080err_out_disable:
7081 pci_disable_device(pdev);
7082 pci_set_drvdata(pdev, NULL);
7083
7084err_out:
7085 return rc;
7086}
7087
Michael Chan883e5152007-05-03 13:25:11 -07007088static char * __devinit
7089bnx2_bus_string(struct bnx2 *bp, char *str)
7090{
7091 char *s = str;
7092
7093 if (bp->flags & PCIE_FLAG) {
7094 s += sprintf(s, "PCI Express");
7095 } else {
7096 s += sprintf(s, "PCI");
7097 if (bp->flags & PCIX_FLAG)
7098 s += sprintf(s, "-X");
7099 if (bp->flags & PCI_32BIT_FLAG)
7100 s += sprintf(s, " 32-bit");
7101 else
7102 s += sprintf(s, " 64-bit");
7103 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7104 }
7105 return str;
7106}
7107
Michael Chanb6016b72005-05-26 13:03:09 -07007108static int __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08007109bnx2_init_napi(struct bnx2 *bp)
7110{
7111 struct bnx2_napi *bnapi = &bp->bnx2_napi;
7112
7113 bnapi->bp = bp;
7114 netif_napi_add(bp->dev, &bnapi->napi, bnx2_poll, 64);
7115}
7116
7117static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07007118bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7119{
7120 static int version_printed = 0;
7121 struct net_device *dev = NULL;
7122 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07007123 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07007124 char str[40];
Joe Perches0795af52007-10-03 17:59:30 -07007125 DECLARE_MAC_BUF(mac);
Michael Chanb6016b72005-05-26 13:03:09 -07007126
7127 if (version_printed++ == 0)
7128 printk(KERN_INFO "%s", version);
7129
7130 /* dev zeroed in init_etherdev */
7131 dev = alloc_etherdev(sizeof(*bp));
7132
7133 if (!dev)
7134 return -ENOMEM;
7135
7136 rc = bnx2_init_board(pdev, dev);
7137 if (rc < 0) {
7138 free_netdev(dev);
7139 return rc;
7140 }
7141
7142 dev->open = bnx2_open;
7143 dev->hard_start_xmit = bnx2_start_xmit;
7144 dev->stop = bnx2_close;
7145 dev->get_stats = bnx2_get_stats;
7146 dev->set_multicast_list = bnx2_set_rx_mode;
7147 dev->do_ioctl = bnx2_ioctl;
7148 dev->set_mac_address = bnx2_change_mac_addr;
7149 dev->change_mtu = bnx2_change_mtu;
7150 dev->tx_timeout = bnx2_tx_timeout;
7151 dev->watchdog_timeo = TX_TIMEOUT;
7152#ifdef BCM_VLAN
7153 dev->vlan_rx_register = bnx2_vlan_rx_register;
Michael Chanb6016b72005-05-26 13:03:09 -07007154#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007155 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07007156
Michael Chan972ec0d2006-01-23 16:12:43 -08007157 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08007158 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007159
7160#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7161 dev->poll_controller = poll_bnx2;
7162#endif
7163
Michael Chan1b2f9222007-05-03 13:20:19 -07007164 pci_set_drvdata(pdev, dev);
7165
7166 memcpy(dev->dev_addr, bp->mac_addr, 6);
7167 memcpy(dev->perm_addr, bp->mac_addr, 6);
7168 bp->name = board_info[ent->driver_data].name;
7169
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007170 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chan4666f872007-05-03 13:22:28 -07007171 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Stephen Hemmingerd212f872007-06-27 00:47:37 -07007172 dev->features |= NETIF_F_IPV6_CSUM;
7173
Michael Chan1b2f9222007-05-03 13:20:19 -07007174#ifdef BCM_VLAN
7175 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7176#endif
7177 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007178 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7179 dev->features |= NETIF_F_TSO6;
Michael Chan1b2f9222007-05-03 13:20:19 -07007180
Michael Chanb6016b72005-05-26 13:03:09 -07007181 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007182 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007183 if (bp->regview)
7184 iounmap(bp->regview);
7185 pci_release_regions(pdev);
7186 pci_disable_device(pdev);
7187 pci_set_drvdata(pdev, NULL);
7188 free_netdev(dev);
7189 return rc;
7190 }
7191
Michael Chan883e5152007-05-03 13:25:11 -07007192 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
Joe Perches0795af52007-10-03 17:59:30 -07007193 "IRQ %d, node addr %s\n",
Michael Chanb6016b72005-05-26 13:03:09 -07007194 dev->name,
7195 bp->name,
7196 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7197 ((CHIP_ID(bp) & 0x0ff0) >> 4),
Michael Chan883e5152007-05-03 13:25:11 -07007198 bnx2_bus_string(bp, str),
Michael Chanb6016b72005-05-26 13:03:09 -07007199 dev->base_addr,
Joe Perches0795af52007-10-03 17:59:30 -07007200 bp->pdev->irq, print_mac(mac, dev->dev_addr));
Michael Chanb6016b72005-05-26 13:03:09 -07007201
Michael Chanb6016b72005-05-26 13:03:09 -07007202 return 0;
7203}
7204
7205static void __devexit
7206bnx2_remove_one(struct pci_dev *pdev)
7207{
7208 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007209 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007210
Michael Chanafdc08b2005-08-25 15:34:29 -07007211 flush_scheduled_work();
7212
Michael Chanb6016b72005-05-26 13:03:09 -07007213 unregister_netdev(dev);
7214
7215 if (bp->regview)
7216 iounmap(bp->regview);
7217
7218 free_netdev(dev);
7219 pci_release_regions(pdev);
7220 pci_disable_device(pdev);
7221 pci_set_drvdata(pdev, NULL);
7222}
7223
7224static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07007225bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07007226{
7227 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007228 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007229 u32 reset_code;
7230
Michael Chan6caebb02007-08-03 20:57:25 -07007231 /* PCI register 4 needs to be saved whether netif_running() or not.
7232 * MSI address and data need to be saved if using MSI and
7233 * netif_running().
7234 */
7235 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007236 if (!netif_running(dev))
7237 return 0;
7238
Michael Chan1d602902006-03-20 17:50:08 -08007239 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07007240 bnx2_netif_stop(bp);
7241 netif_device_detach(dev);
7242 del_timer_sync(&bp->timer);
Michael Chandda1e392006-01-23 16:08:14 -08007243 if (bp->flags & NO_WOL_FLAG)
Michael Chan6c4f0952006-06-29 12:38:15 -07007244 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
Michael Chandda1e392006-01-23 16:08:14 -08007245 else if (bp->wol)
Michael Chanb6016b72005-05-26 13:03:09 -07007246 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7247 else
7248 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7249 bnx2_reset_chip(bp, reset_code);
7250 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07007251 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07007252 return 0;
7253}
7254
7255static int
7256bnx2_resume(struct pci_dev *pdev)
7257{
7258 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007259 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007260
Michael Chan6caebb02007-08-03 20:57:25 -07007261 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007262 if (!netif_running(dev))
7263 return 0;
7264
Pavel Machek829ca9a2005-09-03 15:56:56 -07007265 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007266 netif_device_attach(dev);
7267 bnx2_init_nic(bp);
7268 bnx2_netif_start(bp);
7269 return 0;
7270}
7271
7272static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007273 .name = DRV_MODULE_NAME,
7274 .id_table = bnx2_pci_tbl,
7275 .probe = bnx2_init_one,
7276 .remove = __devexit_p(bnx2_remove_one),
7277 .suspend = bnx2_suspend,
7278 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07007279};
7280
7281static int __init bnx2_init(void)
7282{
Jeff Garzik29917622006-08-19 17:48:59 -04007283 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07007284}
7285
7286static void __exit bnx2_cleanup(void)
7287{
7288 pci_unregister_driver(&bnx2_pci_driver);
7289}
7290
7291module_init(bnx2_init);
7292module_exit(bnx2_cleanup);
7293
7294
7295