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bnx2: Cleanup error handling in bnx2_open().
[deliverable/linux.git] / drivers / net / bnx2.c
CommitLineData
b6016b76
MC		 1/* bnx2.c: Broadcom NX2 network driver.
2 *
feebb331 3 * Copyright (c) 2004-2008 Broadcom Corporation
b6016b76
MC		 4 *
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
f2a4f052
MC		 12
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>
1977f032 29#include <linux/bitops.h>
f2a4f052
MC		 30#include <asm/io.h>
31#include <asm/irq.h>
32#include <linux/delay.h>
33#include <asm/byteorder.h>
c86a31f4 34#include <asm/page.h>
f2a4f052
MC		 35#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
f2a4f052 42#include <net/ip.h>
de081fa5 43#include <net/tcp.h>
f2a4f052 44#include <net/checksum.h>
f2a4f052
MC		 45#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
29b12174 48#include <linux/cache.h>
fba9fe91 49#include <linux/zlib.h>
f2a4f052 50
b6016b76
MC		 51#include "bnx2.h"
52#include "bnx2_fw.h"
d43584c8 53#include "bnx2_fw2.h"
b6016b76 54
110d0ef9 55#define FW_BUF_SIZE 0x10000
b3448b0b 56
b6016b76
MC		 57#define DRV_MODULE_NAME "bnx2"
58#define PFX DRV_MODULE_NAME ": "
236ae640
MC		 59#define DRV_MODULE_VERSION "1.7.6"
60#define DRV_MODULE_RELDATE "May 16, 2008"
b6016b76
MC		 61
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
fefa8645 67static char version[] __devinitdata =
b6016b76
MC		 68 "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>");
05d0f1cf 71MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
b6016b76
MC		 72MODULE_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,
5b0c76ad
MC		 86 BCM5708,
87 BCM5708S,
bac0dff6 88 BCM5709,
27a005b8 89 BCM5709S,
b6016b76
MC		 90} board_t;
91
92/* indexed by board_t, above */
fefa8645 93static struct {
b6016b76
MC		 94 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" },
5b0c76ad
MC		 101 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
bac0dff6 103 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
27a005b8 104 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
b6016b76
MC		 105 };
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 },
5b0c76ad
MC		 114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
b6016b76
MC		 116 { 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 },
5b0c76ad
MC		 120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
bac0dff6
MC		 122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
27a005b8
MC		 124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
b6016b76
MC		 126 { 0, }
127};
128
129static struct flash_spec flash_table[] =
130{
e30372c9
MC		 131#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
b6016b76 133 /* Slow EEPROM */
37137709 134 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 135 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
b6016b76
MC		 136 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137 "EEPROM - slow"},
37137709
MC		 138 /* Expansion entry 0001 */
139 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 140 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 141 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142 "Entry 0001"},
b6016b76
MC		 143 /* Saifun SA25F010 (non-buffered flash) */
144 /* strap, cfg1, & write1 need updates */
37137709 145 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 146 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC		 147 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 */
37137709 151 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 152 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC		 153 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154 "Non-buffered flash (256kB)"},
37137709
MC		 155 /* Expansion entry 0100 */
156 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 158 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159 "Entry 0100"},
160 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
6aa20a22 161 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 162 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC		 163 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,
e30372c9 167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC		 168 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,
e30372c9 173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
175 "Non-buffered flash (64kB)"},
176 /* Fast EEPROM */
177 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 178 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
37137709
MC		 179 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180 "EEPROM - fast"},
181 /* Expansion entry 1001 */
182 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 183 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 184 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185 "Entry 1001"},
186 /* Expansion entry 1010 */
187 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1010"},
191 /* ATMEL AT45DB011B (buffered flash) */
192 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 193 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 194 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195 "Buffered flash (128kB)"},
196 /* Expansion entry 1100 */
197 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 198 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 199 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200 "Entry 1100"},
201 /* Expansion entry 1101 */
202 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1101"},
206 /* Ateml Expansion entry 1110 */
207 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 208 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 209 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1110 (Atmel)"},
211 /* ATMEL AT45DB021B (buffered flash) */
212 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215 "Buffered flash (256kB)"},
b6016b76
MC		 216};
217
e30372c9
MC		 218static 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
b6016b76
MC		 227MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
35e9010b 229static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
e89bbf10 230{
2f8af120 231 u32 diff;
e89bbf10 232
2f8af120 233 smp_mb();
faac9c4b
MC		 234
235 /* The ring uses 256 indices for 255 entries, one of them
236 * needs to be skipped.
237 */
35e9010b 238 diff = txr->tx_prod - txr->tx_cons;
faac9c4b
MC		 239 if (unlikely(diff >= TX_DESC_CNT)) {
240 diff &= 0xffff;
241 if (diff == TX_DESC_CNT)
242 diff = MAX_TX_DESC_CNT;
243 }
e89bbf10
MC		 244 return (bp->tx_ring_size - diff);
245}
246
b6016b76
MC		 247static u32
248bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249{
1b8227c4
MC		 250 u32 val;
251
252 spin_lock_bh(&bp->indirect_lock);
b6016b76 253 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
1b8227c4
MC		 254 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255 spin_unlock_bh(&bp->indirect_lock);
256 return val;
b6016b76
MC		 257}
258
259static void
260bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261{
1b8227c4 262 spin_lock_bh(&bp->indirect_lock);
b6016b76
MC		 263 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
1b8227c4 265 spin_unlock_bh(&bp->indirect_lock);
b6016b76
MC		 266}
267
2726d6e1
MC		 268static void
269bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270{
271 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272}
273
274static u32
275bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276{
277 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278}
279
b6016b76
MC		 280static void
281bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282{
283 offset += cid_addr;
1b8227c4 284 spin_lock_bh(&bp->indirect_lock);
59b47d8a
MC		 285 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
286 int i;
287
288 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
289 REG_WR(bp, BNX2_CTX_CTX_CTRL,
290 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
291 for (i = 0; i < 5; i++) {
292 u32 val;
293 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
294 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
295 break;
296 udelay(5);
297 }
298 } else {
299 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
300 REG_WR(bp, BNX2_CTX_DATA, val);
301 }
1b8227c4 302 spin_unlock_bh(&bp->indirect_lock);
b6016b76
MC		 303}
304
305static int
306bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307{
308 u32 val1;
309 int i, ret;
310
583c28e5 311 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 312 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
313 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
314
315 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
316 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317
318 udelay(40);
319 }
320
321 val1 = (bp->phy_addr << 21) | (reg << 16) |
322 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
323 BNX2_EMAC_MDIO_COMM_START_BUSY;
324 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
325
326 for (i = 0; i < 50; i++) {
327 udelay(10);
328
329 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
330 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
331 udelay(5);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
335
336 break;
337 }
338 }
339
340 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
341 *val = 0x0;
342 ret = -EBUSY;
343 }
344 else {
345 *val = val1;
346 ret = 0;
347 }
348
583c28e5 349 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 350 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
351 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
352
353 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
354 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355
356 udelay(40);
357 }
358
359 return ret;
360}
361
362static int
363bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364{
365 u32 val1;
366 int i, ret;
367
583c28e5 368 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 369 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
370 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
371
372 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
373 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374
375 udelay(40);
376 }
377
378 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
379 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
380 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
381 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
6aa20a22 382
b6016b76
MC		 383 for (i = 0; i < 50; i++) {
384 udelay(10);
385
386 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
387 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
388 udelay(5);
389 break;
390 }
391 }
392
393 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
394 ret = -EBUSY;
395 else
396 ret = 0;
397
583c28e5 398 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 399 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
400 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
401
402 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
403 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404
405 udelay(40);
406 }
407
408 return ret;
409}
410
411static void
412bnx2_disable_int(struct bnx2 *bp)
413{
b4b36042
MC		 414 int i;
415 struct bnx2_napi *bnapi;
416
417 for (i = 0; i < bp->irq_nvecs; i++) {
418 bnapi = &bp->bnx2_napi[i];
419 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
420 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
421 }
b6016b76
MC		 422 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423}
424
425static void
426bnx2_enable_int(struct bnx2 *bp)
427{
b4b36042
MC		 428 int i;
429 struct bnx2_napi *bnapi;
35efa7c1 430
b4b36042
MC		 431 for (i = 0; i < bp->irq_nvecs; i++) {
432 bnapi = &bp->bnx2_napi[i];
1269a8a6 433
b4b36042
MC		 434 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
435 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
436 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
437 bnapi->last_status_idx);
b6016b76 438
b4b36042
MC		 439 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
440 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
441 bnapi->last_status_idx);
442 }
bf5295bb 443 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC		 444}
445
446static void
447bnx2_disable_int_sync(struct bnx2 *bp)
448{
b4b36042
MC		 449 int i;
450
b6016b76
MC		 451 atomic_inc(&bp->intr_sem);
452 bnx2_disable_int(bp);
b4b36042
MC		 453 for (i = 0; i < bp->irq_nvecs; i++)
454 synchronize_irq(bp->irq_tbl[i].vector);
b6016b76
MC		 455}
456
35efa7c1
MC		 457static void
458bnx2_napi_disable(struct bnx2 *bp)
459{
b4b36042
MC		 460 int i;
461
462 for (i = 0; i < bp->irq_nvecs; i++)
463 napi_disable(&bp->bnx2_napi[i].napi);
35efa7c1
MC		 464}
465
466static void
467bnx2_napi_enable(struct bnx2 *bp)
468{
b4b36042
MC		 469 int i;
470
471 for (i = 0; i < bp->irq_nvecs; i++)
472 napi_enable(&bp->bnx2_napi[i].napi);
35efa7c1
MC		 473}
474
b6016b76
MC		 475static void
476bnx2_netif_stop(struct bnx2 *bp)
477{
478 bnx2_disable_int_sync(bp);
479 if (netif_running(bp->dev)) {
35efa7c1 480 bnx2_napi_disable(bp);
b6016b76
MC		 481 netif_tx_disable(bp->dev);
482 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483 }
484}
485
486static void
487bnx2_netif_start(struct bnx2 *bp)
488{
489 if (atomic_dec_and_test(&bp->intr_sem)) {
490 if (netif_running(bp->dev)) {
491 netif_wake_queue(bp->dev);
35efa7c1 492 bnx2_napi_enable(bp);
b6016b76
MC		 493 bnx2_enable_int(bp);
494 }
495 }
496}
497
35e9010b
MC		 498static void
499bnx2_free_tx_mem(struct bnx2 *bp)
500{
501 int i;
502
503 for (i = 0; i < bp->num_tx_rings; i++) {
504 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
505 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
506
507 if (txr->tx_desc_ring) {
508 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
509 txr->tx_desc_ring,
510 txr->tx_desc_mapping);
511 txr->tx_desc_ring = NULL;
512 }
513 kfree(txr->tx_buf_ring);
514 txr->tx_buf_ring = NULL;
515 }
516}
517
bb4f98ab
MC		 518static void
519bnx2_free_rx_mem(struct bnx2 *bp)
520{
521 int i;
522
523 for (i = 0; i < bp->num_rx_rings; i++) {
524 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
525 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
526 int j;
527
528 for (j = 0; j < bp->rx_max_ring; j++) {
529 if (rxr->rx_desc_ring[j])
530 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
531 rxr->rx_desc_ring[j],
532 rxr->rx_desc_mapping[j]);
533 rxr->rx_desc_ring[j] = NULL;
534 }
535 if (rxr->rx_buf_ring)
536 vfree(rxr->rx_buf_ring);
537 rxr->rx_buf_ring = NULL;
538
539 for (j = 0; j < bp->rx_max_pg_ring; j++) {
540 if (rxr->rx_pg_desc_ring[j])
541 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
542 rxr->rx_pg_desc_ring[i],
543 rxr->rx_pg_desc_mapping[i]);
544 rxr->rx_pg_desc_ring[i] = NULL;
545 }
546 if (rxr->rx_pg_ring)
547 vfree(rxr->rx_pg_ring);
548 rxr->rx_pg_ring = NULL;
549 }
550}
551
35e9010b
MC		 552static int
553bnx2_alloc_tx_mem(struct bnx2 *bp)
554{
555 int i;
556
557 for (i = 0; i < bp->num_tx_rings; i++) {
558 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
559 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
560
561 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
562 if (txr->tx_buf_ring == NULL)
563 return -ENOMEM;
564
565 txr->tx_desc_ring =
566 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
567 &txr->tx_desc_mapping);
568 if (txr->tx_desc_ring == NULL)
569 return -ENOMEM;
570 }
571 return 0;
572}
573
bb4f98ab
MC		 574static int
575bnx2_alloc_rx_mem(struct bnx2 *bp)
576{
577 int i;
578
579 for (i = 0; i < bp->num_rx_rings; i++) {
580 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
581 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
582 int j;
583
584 rxr->rx_buf_ring =
585 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
586 if (rxr->rx_buf_ring == NULL)
587 return -ENOMEM;
588
589 memset(rxr->rx_buf_ring, 0,
590 SW_RXBD_RING_SIZE * bp->rx_max_ring);
591
592 for (j = 0; j < bp->rx_max_ring; j++) {
593 rxr->rx_desc_ring[j] =
594 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
595 &rxr->rx_desc_mapping[j]);
596 if (rxr->rx_desc_ring[j] == NULL)
597 return -ENOMEM;
598
599 }
600
601 if (bp->rx_pg_ring_size) {
602 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
603 bp->rx_max_pg_ring);
604 if (rxr->rx_pg_ring == NULL)
605 return -ENOMEM;
606
607 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
608 bp->rx_max_pg_ring);
609 }
610
611 for (j = 0; j < bp->rx_max_pg_ring; j++) {
612 rxr->rx_pg_desc_ring[j] =
613 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
614 &rxr->rx_pg_desc_mapping[j]);
615 if (rxr->rx_pg_desc_ring[j] == NULL)
616 return -ENOMEM;
617
618 }
619 }
620 return 0;
621}
622
b6016b76
MC		 623static void
624bnx2_free_mem(struct bnx2 *bp)
625{
13daffa2 626 int i;
43e80b89 627 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
13daffa2 628
35e9010b 629 bnx2_free_tx_mem(bp);
bb4f98ab 630 bnx2_free_rx_mem(bp);
35e9010b 631
59b47d8a
MC		 632 for (i = 0; i < bp->ctx_pages; i++) {
633 if (bp->ctx_blk[i]) {
634 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
635 bp->ctx_blk[i],
636 bp->ctx_blk_mapping[i]);
637 bp->ctx_blk[i] = NULL;
638 }
639 }
43e80b89 640 if (bnapi->status_blk.msi) {
0f31f994 641 pci_free_consistent(bp->pdev, bp->status_stats_size,
43e80b89
MC		 642 bnapi->status_blk.msi,
643 bp->status_blk_mapping);
644 bnapi->status_blk.msi = NULL;
0f31f994 645 bp->stats_blk = NULL;
b6016b76 646 }
b6016b76
MC		 647}
648
649static int
650bnx2_alloc_mem(struct bnx2 *bp)
651{
35e9010b 652 int i, status_blk_size, err;
43e80b89
MC		 653 struct bnx2_napi *bnapi;
654 void *status_blk;
b6016b76 655
0f31f994
MC		 656 /* Combine status and statistics blocks into one allocation. */
657 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
f86e82fb 658 if (bp->flags & BNX2_FLAG_MSIX_CAP)
b4b36042
MC		 659 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
660 BNX2_SBLK_MSIX_ALIGN_SIZE);
0f31f994
MC		 661 bp->status_stats_size = status_blk_size +
662 sizeof(struct statistics_block);
663
43e80b89
MC		 664 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
665 &bp->status_blk_mapping);
666 if (status_blk == NULL)
b6016b76
MC		 667 goto alloc_mem_err;
668
43e80b89 669 memset(status_blk, 0, bp->status_stats_size);
b6016b76 670
43e80b89
MC		 671 bnapi = &bp->bnx2_napi[0];
672 bnapi->status_blk.msi = status_blk;
673 bnapi->hw_tx_cons_ptr =
674 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
675 bnapi->hw_rx_cons_ptr =
676 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
f86e82fb 677 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
b4b36042 678 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
43e80b89
MC		 679 struct status_block_msix *sblk;
680
681 bnapi = &bp->bnx2_napi[i];
b4b36042 682
43e80b89
MC		 683 sblk = (void *) (status_blk +
684 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
685 bnapi->status_blk.msix = sblk;
686 bnapi->hw_tx_cons_ptr =
687 &sblk->status_tx_quick_consumer_index;
688 bnapi->hw_rx_cons_ptr =
689 &sblk->status_rx_quick_consumer_index;
b4b36042
MC		 690 bnapi->int_num = i << 24;
691 }
692 }
35efa7c1 693
43e80b89 694 bp->stats_blk = status_blk + status_blk_size;
b6016b76 695
0f31f994 696 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
b6016b76 697
59b47d8a
MC		 698 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
699 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
700 if (bp->ctx_pages == 0)
701 bp->ctx_pages = 1;
702 for (i = 0; i < bp->ctx_pages; i++) {
703 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
704 BCM_PAGE_SIZE,
705 &bp->ctx_blk_mapping[i]);
706 if (bp->ctx_blk[i] == NULL)
707 goto alloc_mem_err;
708 }
709 }
35e9010b 710
bb4f98ab
MC		 711 err = bnx2_alloc_rx_mem(bp);
712 if (err)
713 goto alloc_mem_err;
714
35e9010b
MC		 715 err = bnx2_alloc_tx_mem(bp);
716 if (err)
717 goto alloc_mem_err;
718
b6016b76
MC		 719 return 0;
720
721alloc_mem_err:
722 bnx2_free_mem(bp);
723 return -ENOMEM;
724}
725
e3648b3d
MC		 726static void
727bnx2_report_fw_link(struct bnx2 *bp)
728{
729 u32 fw_link_status = 0;
730
583c28e5 731 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 732 return;
733
e3648b3d
MC		 734 if (bp->link_up) {
735 u32 bmsr;
736
737 switch (bp->line_speed) {
738 case SPEED_10:
739 if (bp->duplex == DUPLEX_HALF)
740 fw_link_status = BNX2_LINK_STATUS_10HALF;
741 else
742 fw_link_status = BNX2_LINK_STATUS_10FULL;
743 break;
744 case SPEED_100:
745 if (bp->duplex == DUPLEX_HALF)
746 fw_link_status = BNX2_LINK_STATUS_100HALF;
747 else
748 fw_link_status = BNX2_LINK_STATUS_100FULL;
749 break;
750 case SPEED_1000:
751 if (bp->duplex == DUPLEX_HALF)
752 fw_link_status = BNX2_LINK_STATUS_1000HALF;
753 else
754 fw_link_status = BNX2_LINK_STATUS_1000FULL;
755 break;
756 case SPEED_2500:
757 if (bp->duplex == DUPLEX_HALF)
758 fw_link_status = BNX2_LINK_STATUS_2500HALF;
759 else
760 fw_link_status = BNX2_LINK_STATUS_2500FULL;
761 break;
762 }
763
764 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
765
766 if (bp->autoneg) {
767 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
768
ca58c3af
MC		 769 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
770 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
e3648b3d
MC		 771
772 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
583c28e5 773 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
e3648b3d
MC		 774 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
775 else
776 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
777 }
778 }
779 else
780 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
781
2726d6e1 782 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
e3648b3d
MC		 783}
784
9b1084b8
MC		 785static char *
786bnx2_xceiver_str(struct bnx2 *bp)
787{
788 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
583c28e5 789 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
9b1084b8
MC		 790 "Copper"));
791}
792
b6016b76
MC		 793static void
794bnx2_report_link(struct bnx2 *bp)
795{
796 if (bp->link_up) {
797 netif_carrier_on(bp->dev);
9b1084b8
MC		 798 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
799 bnx2_xceiver_str(bp));
b6016b76
MC		 800
801 printk("%d Mbps ", bp->line_speed);
802
803 if (bp->duplex == DUPLEX_FULL)
804 printk("full duplex");
805 else
806 printk("half duplex");
807
808 if (bp->flow_ctrl) {
809 if (bp->flow_ctrl & FLOW_CTRL_RX) {
810 printk(", receive ");
811 if (bp->flow_ctrl & FLOW_CTRL_TX)
812 printk("& transmit ");
813 }
814 else {
815 printk(", transmit ");
816 }
817 printk("flow control ON");
818 }
819 printk("\n");
820 }
821 else {
822 netif_carrier_off(bp->dev);
9b1084b8
MC		 823 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
824 bnx2_xceiver_str(bp));
b6016b76 825 }
e3648b3d
MC		 826
827 bnx2_report_fw_link(bp);
b6016b76
MC		 828}
829
830static void
831bnx2_resolve_flow_ctrl(struct bnx2 *bp)
832{
833 u32 local_adv, remote_adv;
834
835 bp->flow_ctrl = 0;
6aa20a22 836 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
b6016b76
MC		 837 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
838
839 if (bp->duplex == DUPLEX_FULL) {
840 bp->flow_ctrl = bp->req_flow_ctrl;
841 }
842 return;
843 }
844
845 if (bp->duplex != DUPLEX_FULL) {
846 return;
847 }
848
583c28e5 849 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
5b0c76ad
MC		 850 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
851 u32 val;
852
853 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
854 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
855 bp->flow_ctrl |= FLOW_CTRL_TX;
856 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
857 bp->flow_ctrl |= FLOW_CTRL_RX;
858 return;
859 }
860
ca58c3af
MC		 861 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
862 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76 863
583c28e5 864 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 865 u32 new_local_adv = 0;
866 u32 new_remote_adv = 0;
867
868 if (local_adv & ADVERTISE_1000XPAUSE)
869 new_local_adv |= ADVERTISE_PAUSE_CAP;
870 if (local_adv & ADVERTISE_1000XPSE_ASYM)
871 new_local_adv |= ADVERTISE_PAUSE_ASYM;
872 if (remote_adv & ADVERTISE_1000XPAUSE)
873 new_remote_adv |= ADVERTISE_PAUSE_CAP;
874 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
875 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
876
877 local_adv = new_local_adv;
878 remote_adv = new_remote_adv;
879 }
880
881 /* See Table 28B-3 of 802.3ab-1999 spec. */
882 if (local_adv & ADVERTISE_PAUSE_CAP) {
883 if(local_adv & ADVERTISE_PAUSE_ASYM) {
884 if (remote_adv & ADVERTISE_PAUSE_CAP) {
885 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
886 }
887 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
888 bp->flow_ctrl = FLOW_CTRL_RX;
889 }
890 }
891 else {
892 if (remote_adv & ADVERTISE_PAUSE_CAP) {
893 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
894 }
895 }
896 }
897 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
898 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
899 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
900
901 bp->flow_ctrl = FLOW_CTRL_TX;
902 }
903 }
904}
905
27a005b8
MC		 906static int
907bnx2_5709s_linkup(struct bnx2 *bp)
908{
909 u32 val, speed;
910
911 bp->link_up = 1;
912
913 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
914 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
915 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
916
917 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
918 bp->line_speed = bp->req_line_speed;
919 bp->duplex = bp->req_duplex;
920 return 0;
921 }
922 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
923 switch (speed) {
924 case MII_BNX2_GP_TOP_AN_SPEED_10:
925 bp->line_speed = SPEED_10;
926 break;
927 case MII_BNX2_GP_TOP_AN_SPEED_100:
928 bp->line_speed = SPEED_100;
929 break;
930 case MII_BNX2_GP_TOP_AN_SPEED_1G:
931 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
932 bp->line_speed = SPEED_1000;
933 break;
934 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
935 bp->line_speed = SPEED_2500;
936 break;
937 }
938 if (val & MII_BNX2_GP_TOP_AN_FD)
939 bp->duplex = DUPLEX_FULL;
940 else
941 bp->duplex = DUPLEX_HALF;
942 return 0;
943}
944
b6016b76 945static int
5b0c76ad
MC		 946bnx2_5708s_linkup(struct bnx2 *bp)
947{
948 u32 val;
949
950 bp->link_up = 1;
951 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
952 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
953 case BCM5708S_1000X_STAT1_SPEED_10:
954 bp->line_speed = SPEED_10;
955 break;
956 case BCM5708S_1000X_STAT1_SPEED_100:
957 bp->line_speed = SPEED_100;
958 break;
959 case BCM5708S_1000X_STAT1_SPEED_1G:
960 bp->line_speed = SPEED_1000;
961 break;
962 case BCM5708S_1000X_STAT1_SPEED_2G5:
963 bp->line_speed = SPEED_2500;
964 break;
965 }
966 if (val & BCM5708S_1000X_STAT1_FD)
967 bp->duplex = DUPLEX_FULL;
968 else
969 bp->duplex = DUPLEX_HALF;
970
971 return 0;
972}
973
974static int
975bnx2_5706s_linkup(struct bnx2 *bp)
b6016b76
MC		 976{
977 u32 bmcr, local_adv, remote_adv, common;
978
979 bp->link_up = 1;
980 bp->line_speed = SPEED_1000;
981
ca58c3af 982 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 983 if (bmcr & BMCR_FULLDPLX) {
984 bp->duplex = DUPLEX_FULL;
985 }
986 else {
987 bp->duplex = DUPLEX_HALF;
988 }
989
990 if (!(bmcr & BMCR_ANENABLE)) {
991 return 0;
992 }
993
ca58c3af
MC		 994 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
995 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC		 996
997 common = local_adv & remote_adv;
998 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
999
1000 if (common & ADVERTISE_1000XFULL) {
1001 bp->duplex = DUPLEX_FULL;
1002 }
1003 else {
1004 bp->duplex = DUPLEX_HALF;
1005 }
1006 }
1007
1008 return 0;
1009}
1010
1011static int
1012bnx2_copper_linkup(struct bnx2 *bp)
1013{
1014 u32 bmcr;
1015
ca58c3af 1016 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1017 if (bmcr & BMCR_ANENABLE) {
1018 u32 local_adv, remote_adv, common;
1019
1020 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1021 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1022
1023 common = local_adv & (remote_adv >> 2);
1024 if (common & ADVERTISE_1000FULL) {
1025 bp->line_speed = SPEED_1000;
1026 bp->duplex = DUPLEX_FULL;
1027 }
1028 else if (common & ADVERTISE_1000HALF) {
1029 bp->line_speed = SPEED_1000;
1030 bp->duplex = DUPLEX_HALF;
1031 }
1032 else {
ca58c3af
MC		 1033 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1034 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC		 1035
1036 common = local_adv & remote_adv;
1037 if (common & ADVERTISE_100FULL) {
1038 bp->line_speed = SPEED_100;
1039 bp->duplex = DUPLEX_FULL;
1040 }
1041 else if (common & ADVERTISE_100HALF) {
1042 bp->line_speed = SPEED_100;
1043 bp->duplex = DUPLEX_HALF;
1044 }
1045 else if (common & ADVERTISE_10FULL) {
1046 bp->line_speed = SPEED_10;
1047 bp->duplex = DUPLEX_FULL;
1048 }
1049 else if (common & ADVERTISE_10HALF) {
1050 bp->line_speed = SPEED_10;
1051 bp->duplex = DUPLEX_HALF;
1052 }
1053 else {
1054 bp->line_speed = 0;
1055 bp->link_up = 0;
1056 }
1057 }
1058 }
1059 else {
1060 if (bmcr & BMCR_SPEED100) {
1061 bp->line_speed = SPEED_100;
1062 }
1063 else {
1064 bp->line_speed = SPEED_10;
1065 }
1066 if (bmcr & BMCR_FULLDPLX) {
1067 bp->duplex = DUPLEX_FULL;
1068 }
1069 else {
1070 bp->duplex = DUPLEX_HALF;
1071 }
1072 }
1073
1074 return 0;
1075}
1076
83e3fc89 1077static void
bb4f98ab 1078bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
83e3fc89 1079{
bb4f98ab 1080 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
83e3fc89
MC		 1081
1082 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1083 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1084 val |= 0x02 << 8;
1085
1086 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1087 u32 lo_water, hi_water;
1088
1089 if (bp->flow_ctrl & FLOW_CTRL_TX)
1090 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1091 else
1092 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1093 if (lo_water >= bp->rx_ring_size)
1094 lo_water = 0;
1095
1096 hi_water = bp->rx_ring_size / 4;
1097
1098 if (hi_water <= lo_water)
1099 lo_water = 0;
1100
1101 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1102 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1103
1104 if (hi_water > 0xf)
1105 hi_water = 0xf;
1106 else if (hi_water == 0)
1107 lo_water = 0;
1108 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1109 }
1110 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1111}
1112
bb4f98ab
MC		 1113static void
1114bnx2_init_all_rx_contexts(struct bnx2 *bp)
1115{
1116 int i;
1117 u32 cid;
1118
1119 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1120 if (i == 1)
1121 cid = RX_RSS_CID;
1122 bnx2_init_rx_context(bp, cid);
1123 }
1124}
1125
b6016b76
MC		 1126static int
1127bnx2_set_mac_link(struct bnx2 *bp)
1128{
1129 u32 val;
1130
1131 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1132 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1133 (bp->duplex == DUPLEX_HALF)) {
1134 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1135 }
1136
1137 /* Configure the EMAC mode register. */
1138 val = REG_RD(bp, BNX2_EMAC_MODE);
1139
1140 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
5b0c76ad 1141 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 1142 BNX2_EMAC_MODE_25G_MODE);
b6016b76
MC		 1143
1144 if (bp->link_up) {
5b0c76ad
MC		 1145 switch (bp->line_speed) {
1146 case SPEED_10:
59b47d8a
MC		 1147 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1148 val |= BNX2_EMAC_MODE_PORT_MII_10M;
5b0c76ad
MC		 1149 break;
1150 }
1151 /* fall through */
1152 case SPEED_100:
1153 val |= BNX2_EMAC_MODE_PORT_MII;
1154 break;
1155 case SPEED_2500:
59b47d8a 1156 val |= BNX2_EMAC_MODE_25G_MODE;
5b0c76ad
MC		 1157 /* fall through */
1158 case SPEED_1000:
1159 val |= BNX2_EMAC_MODE_PORT_GMII;
1160 break;
1161 }
b6016b76
MC		 1162 }
1163 else {
1164 val |= BNX2_EMAC_MODE_PORT_GMII;
1165 }
1166
1167 /* Set the MAC to operate in the appropriate duplex mode. */
1168 if (bp->duplex == DUPLEX_HALF)
1169 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1170 REG_WR(bp, BNX2_EMAC_MODE, val);
1171
1172 /* Enable/disable rx PAUSE. */
1173 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1174
1175 if (bp->flow_ctrl & FLOW_CTRL_RX)
1176 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1177 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1178
1179 /* Enable/disable tx PAUSE. */
1180 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1181 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1182
1183 if (bp->flow_ctrl & FLOW_CTRL_TX)
1184 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1185 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1186
1187 /* Acknowledge the interrupt. */
1188 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1189
83e3fc89 1190 if (CHIP_NUM(bp) == CHIP_NUM_5709)
bb4f98ab 1191 bnx2_init_all_rx_contexts(bp);
83e3fc89 1192
b6016b76
MC		 1193 return 0;
1194}
1195
27a005b8
MC		 1196static void
1197bnx2_enable_bmsr1(struct bnx2 *bp)
1198{
583c28e5 1199 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
27a005b8
MC		 1200 (CHIP_NUM(bp) == CHIP_NUM_5709))
1201 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1202 MII_BNX2_BLK_ADDR_GP_STATUS);
1203}
1204
1205static void
1206bnx2_disable_bmsr1(struct bnx2 *bp)
1207{
583c28e5 1208 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
27a005b8
MC		 1209 (CHIP_NUM(bp) == CHIP_NUM_5709))
1210 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1211 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1212}
1213
605a9e20
MC		 1214static int
1215bnx2_test_and_enable_2g5(struct bnx2 *bp)
1216{
1217 u32 up1;
1218 int ret = 1;
1219
583c28e5 1220 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1221 return 0;
1222
1223 if (bp->autoneg & AUTONEG_SPEED)
1224 bp->advertising |= ADVERTISED_2500baseX_Full;
1225
27a005b8
MC		 1226 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1227 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1228
605a9e20
MC		 1229 bnx2_read_phy(bp, bp->mii_up1, &up1);
1230 if (!(up1 & BCM5708S_UP1_2G5)) {
1231 up1 |= BCM5708S_UP1_2G5;
1232 bnx2_write_phy(bp, bp->mii_up1, up1);
1233 ret = 0;
1234 }
1235
27a005b8
MC		 1236 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1237 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1238 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1239
605a9e20
MC		 1240 return ret;
1241}
1242
1243static int
1244bnx2_test_and_disable_2g5(struct bnx2 *bp)
1245{
1246 u32 up1;
1247 int ret = 0;
1248
583c28e5 1249 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1250 return 0;
1251
27a005b8
MC		 1252 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1253 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1254
605a9e20
MC		 1255 bnx2_read_phy(bp, bp->mii_up1, &up1);
1256 if (up1 & BCM5708S_UP1_2G5) {
1257 up1 &= ~BCM5708S_UP1_2G5;
1258 bnx2_write_phy(bp, bp->mii_up1, up1);
1259 ret = 1;
1260 }
1261
27a005b8
MC		 1262 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1263 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1264 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1265
605a9e20
MC		 1266 return ret;
1267}
1268
1269static void
1270bnx2_enable_forced_2g5(struct bnx2 *bp)
1271{
1272 u32 bmcr;
1273
583c28e5 1274 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1275 return;
1276
27a005b8
MC		 1277 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1278 u32 val;
1279
1280 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1281 MII_BNX2_BLK_ADDR_SERDES_DIG);
1282 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1283 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1284 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1285 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1286
1287 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1288 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1289 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1290
1291 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
605a9e20
MC		 1292 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1293 bmcr |= BCM5708S_BMCR_FORCE_2500;
1294 }
1295
1296 if (bp->autoneg & AUTONEG_SPEED) {
1297 bmcr &= ~BMCR_ANENABLE;
1298 if (bp->req_duplex == DUPLEX_FULL)
1299 bmcr |= BMCR_FULLDPLX;
1300 }
1301 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1302}
1303
1304static void
1305bnx2_disable_forced_2g5(struct bnx2 *bp)
1306{
1307 u32 bmcr;
1308
583c28e5 1309 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1310 return;
1311
27a005b8
MC		 1312 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1313 u32 val;
1314
1315 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1316 MII_BNX2_BLK_ADDR_SERDES_DIG);
1317 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1318 val &= ~MII_BNX2_SD_MISC1_FORCE;
1319 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1320
1321 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1322 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1323 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1324
1325 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
605a9e20
MC		 1326 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1327 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1328 }
1329
1330 if (bp->autoneg & AUTONEG_SPEED)
1331 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1332 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1333}
1334
b2fadeae
MC		 1335static void
1336bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1337{
1338 u32 val;
1339
1340 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1341 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1342 if (start)
1343 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1344 else
1345 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1346}
1347
b6016b76
MC		 1348static int
1349bnx2_set_link(struct bnx2 *bp)
1350{
1351 u32 bmsr;
1352 u8 link_up;
1353
80be4434 1354 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
b6016b76
MC		 1355 bp->link_up = 1;
1356 return 0;
1357 }
1358
583c28e5 1359 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 1360 return 0;
1361
b6016b76
MC		 1362 link_up = bp->link_up;
1363
27a005b8
MC		 1364 bnx2_enable_bmsr1(bp);
1365 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1366 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1367 bnx2_disable_bmsr1(bp);
b6016b76 1368
583c28e5 1369 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
b6016b76 1370 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
a2724e25 1371 u32 val, an_dbg;
b6016b76 1372
583c28e5 1373 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
b2fadeae 1374 bnx2_5706s_force_link_dn(bp, 0);
583c28e5 1375 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
b2fadeae 1376 }
b6016b76 1377 val = REG_RD(bp, BNX2_EMAC_STATUS);
a2724e25
MC		 1378
1379 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1380 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1381 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1382
1383 if ((val & BNX2_EMAC_STATUS_LINK) &&
1384 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
b6016b76
MC		 1385 bmsr |= BMSR_LSTATUS;
1386 else
1387 bmsr &= ~BMSR_LSTATUS;
1388 }
1389
1390 if (bmsr & BMSR_LSTATUS) {
1391 bp->link_up = 1;
1392
583c28e5 1393 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5b0c76ad
MC		 1394 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1395 bnx2_5706s_linkup(bp);
1396 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1397 bnx2_5708s_linkup(bp);
27a005b8
MC		 1398 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1399 bnx2_5709s_linkup(bp);
b6016b76
MC		 1400 }
1401 else {
1402 bnx2_copper_linkup(bp);
1403 }
1404 bnx2_resolve_flow_ctrl(bp);
1405 }
1406 else {
583c28e5 1407 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
605a9e20
MC		 1408 (bp->autoneg & AUTONEG_SPEED))
1409 bnx2_disable_forced_2g5(bp);
b6016b76 1410
583c28e5 1411 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
b2fadeae
MC		 1412 u32 bmcr;
1413
1414 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1415 bmcr |= BMCR_ANENABLE;
1416 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1417
583c28e5 1418 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b2fadeae 1419 }
b6016b76
MC		 1420 bp->link_up = 0;
1421 }
1422
1423 if (bp->link_up != link_up) {
1424 bnx2_report_link(bp);
1425 }
1426
1427 bnx2_set_mac_link(bp);
1428
1429 return 0;
1430}
1431
1432static int
1433bnx2_reset_phy(struct bnx2 *bp)
1434{
1435 int i;
1436 u32 reg;
1437
ca58c3af 1438 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
b6016b76
MC		 1439
1440#define PHY_RESET_MAX_WAIT 100
1441 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1442 udelay(10);
1443
ca58c3af 1444 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
b6016b76
MC		 1445 if (!(reg & BMCR_RESET)) {
1446 udelay(20);
1447 break;
1448 }
1449 }
1450 if (i == PHY_RESET_MAX_WAIT) {
1451 return -EBUSY;
1452 }
1453 return 0;
1454}
1455
1456static u32
1457bnx2_phy_get_pause_adv(struct bnx2 *bp)
1458{
1459 u32 adv = 0;
1460
1461 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1462 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1463
583c28e5 1464 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1465 adv = ADVERTISE_1000XPAUSE;
1466 }
1467 else {
1468 adv = ADVERTISE_PAUSE_CAP;
1469 }
1470 }
1471 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
583c28e5 1472 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1473 adv = ADVERTISE_1000XPSE_ASYM;
1474 }
1475 else {
1476 adv = ADVERTISE_PAUSE_ASYM;
1477 }
1478 }
1479 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
583c28e5 1480 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1481 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1482 }
1483 else {
1484 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1485 }
1486 }
1487 return adv;
1488}
1489
0d8a6571
MC		 1490static int bnx2_fw_sync(struct bnx2 *, u32, int);
1491
b6016b76 1492static int
0d8a6571
MC		 1493bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1494{
1495 u32 speed_arg = 0, pause_adv;
1496
1497 pause_adv = bnx2_phy_get_pause_adv(bp);
1498
1499 if (bp->autoneg & AUTONEG_SPEED) {
1500 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1501 if (bp->advertising & ADVERTISED_10baseT_Half)
1502 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1503 if (bp->advertising & ADVERTISED_10baseT_Full)
1504 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1505 if (bp->advertising & ADVERTISED_100baseT_Half)
1506 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1507 if (bp->advertising & ADVERTISED_100baseT_Full)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1509 if (bp->advertising & ADVERTISED_1000baseT_Full)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1511 if (bp->advertising & ADVERTISED_2500baseX_Full)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1513 } else {
1514 if (bp->req_line_speed == SPEED_2500)
1515 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1516 else if (bp->req_line_speed == SPEED_1000)
1517 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1518 else if (bp->req_line_speed == SPEED_100) {
1519 if (bp->req_duplex == DUPLEX_FULL)
1520 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1521 else
1522 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1523 } else if (bp->req_line_speed == SPEED_10) {
1524 if (bp->req_duplex == DUPLEX_FULL)
1525 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1526 else
1527 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1528 }
1529 }
1530
1531 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1532 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
c26736ec 1533 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
0d8a6571
MC		 1534 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1535
1536 if (port == PORT_TP)
1537 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1538 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1539
2726d6e1 1540 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
0d8a6571
MC		 1541
1542 spin_unlock_bh(&bp->phy_lock);
1543 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1544 spin_lock_bh(&bp->phy_lock);
1545
1546 return 0;
1547}
1548
1549static int
1550bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
b6016b76 1551{
605a9e20 1552 u32 adv, bmcr;
b6016b76
MC		 1553 u32 new_adv = 0;
1554
583c28e5 1555 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 1556 return (bnx2_setup_remote_phy(bp, port));
1557
b6016b76
MC		 1558 if (!(bp->autoneg & AUTONEG_SPEED)) {
1559 u32 new_bmcr;
5b0c76ad
MC		 1560 int force_link_down = 0;
1561
605a9e20
MC		 1562 if (bp->req_line_speed == SPEED_2500) {
1563 if (!bnx2_test_and_enable_2g5(bp))
1564 force_link_down = 1;
1565 } else if (bp->req_line_speed == SPEED_1000) {
1566 if (bnx2_test_and_disable_2g5(bp))
1567 force_link_down = 1;
1568 }
ca58c3af 1569 bnx2_read_phy(bp, bp->mii_adv, &adv);
80be4434
MC		 1570 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1571
ca58c3af 1572 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
605a9e20 1573 new_bmcr = bmcr & ~BMCR_ANENABLE;
80be4434 1574 new_bmcr |= BMCR_SPEED1000;
605a9e20 1575
27a005b8
MC		 1576 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1577 if (bp->req_line_speed == SPEED_2500)
1578 bnx2_enable_forced_2g5(bp);
1579 else if (bp->req_line_speed == SPEED_1000) {
1580 bnx2_disable_forced_2g5(bp);
1581 new_bmcr &= ~0x2000;
1582 }
1583
1584 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
605a9e20
MC		 1585 if (bp->req_line_speed == SPEED_2500)
1586 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1587 else
1588 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
5b0c76ad
MC		 1589 }
1590
b6016b76 1591 if (bp->req_duplex == DUPLEX_FULL) {
5b0c76ad 1592 adv |= ADVERTISE_1000XFULL;
b6016b76
MC		 1593 new_bmcr |= BMCR_FULLDPLX;
1594 }
1595 else {
5b0c76ad 1596 adv |= ADVERTISE_1000XHALF;
b6016b76
MC		 1597 new_bmcr &= ~BMCR_FULLDPLX;
1598 }
5b0c76ad 1599 if ((new_bmcr != bmcr) || (force_link_down)) {
b6016b76
MC		 1600 /* Force a link down visible on the other side */
1601 if (bp->link_up) {
ca58c3af 1602 bnx2_write_phy(bp, bp->mii_adv, adv &
5b0c76ad
MC		 1603 ~(ADVERTISE_1000XFULL |
1604 ADVERTISE_1000XHALF));
ca58c3af 1605 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
b6016b76
MC		 1606 BMCR_ANRESTART | BMCR_ANENABLE);
1607
1608 bp->link_up = 0;
1609 netif_carrier_off(bp->dev);
ca58c3af 1610 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
80be4434 1611 bnx2_report_link(bp);
b6016b76 1612 }
ca58c3af
MC		 1613 bnx2_write_phy(bp, bp->mii_adv, adv);
1614 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
605a9e20
MC		 1615 } else {
1616 bnx2_resolve_flow_ctrl(bp);
1617 bnx2_set_mac_link(bp);
b6016b76
MC		 1618 }
1619 return 0;
1620 }
1621
605a9e20 1622 bnx2_test_and_enable_2g5(bp);
5b0c76ad 1623
b6016b76
MC		 1624 if (bp->advertising & ADVERTISED_1000baseT_Full)
1625 new_adv |= ADVERTISE_1000XFULL;
1626
1627 new_adv |= bnx2_phy_get_pause_adv(bp);
1628
ca58c3af
MC		 1629 bnx2_read_phy(bp, bp->mii_adv, &adv);
1630 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1631
1632 bp->serdes_an_pending = 0;
1633 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1634 /* Force a link down visible on the other side */
1635 if (bp->link_up) {
ca58c3af 1636 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
80be4434
MC		 1637 spin_unlock_bh(&bp->phy_lock);
1638 msleep(20);
1639 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 1640 }
1641
ca58c3af
MC		 1642 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1643 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
b6016b76 1644 BMCR_ANENABLE);
f8dd064e
MC		 1645 /* Speed up link-up time when the link partner
1646 * does not autonegotiate which is very common
1647 * in blade servers. Some blade servers use
1648 * IPMI for kerboard input and it's important
1649 * to minimize link disruptions. Autoneg. involves
1650 * exchanging base pages plus 3 next pages and
1651 * normally completes in about 120 msec.
1652 */
1653 bp->current_interval = SERDES_AN_TIMEOUT;
1654 bp->serdes_an_pending = 1;
1655 mod_timer(&bp->timer, jiffies + bp->current_interval);
605a9e20
MC		 1656 } else {
1657 bnx2_resolve_flow_ctrl(bp);
1658 bnx2_set_mac_link(bp);
b6016b76
MC		 1659 }
1660
1661 return 0;
1662}
1663
1664#define ETHTOOL_ALL_FIBRE_SPEED \
583c28e5 1665 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
deaf391b
MC		 1666 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1667 (ADVERTISED_1000baseT_Full)
b6016b76
MC		 1668
1669#define ETHTOOL_ALL_COPPER_SPEED \
1670 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1671 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1672 ADVERTISED_1000baseT_Full)
1673
1674#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1675 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
6aa20a22 1676
b6016b76
MC		 1677#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1678
0d8a6571
MC		 1679static void
1680bnx2_set_default_remote_link(struct bnx2 *bp)
1681{
1682 u32 link;
1683
1684 if (bp->phy_port == PORT_TP)
2726d6e1 1685 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
0d8a6571 1686 else
2726d6e1 1687 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
0d8a6571
MC		 1688
1689 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1690 bp->req_line_speed = 0;
1691 bp->autoneg |= AUTONEG_SPEED;
1692 bp->advertising = ADVERTISED_Autoneg;
1693 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1694 bp->advertising |= ADVERTISED_10baseT_Half;
1695 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1696 bp->advertising |= ADVERTISED_10baseT_Full;
1697 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1698 bp->advertising |= ADVERTISED_100baseT_Half;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1700 bp->advertising |= ADVERTISED_100baseT_Full;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1702 bp->advertising |= ADVERTISED_1000baseT_Full;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1704 bp->advertising |= ADVERTISED_2500baseX_Full;
1705 } else {
1706 bp->autoneg = 0;
1707 bp->advertising = 0;
1708 bp->req_duplex = DUPLEX_FULL;
1709 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1710 bp->req_line_speed = SPEED_10;
1711 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1712 bp->req_duplex = DUPLEX_HALF;
1713 }
1714 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1715 bp->req_line_speed = SPEED_100;
1716 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1717 bp->req_duplex = DUPLEX_HALF;
1718 }
1719 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1720 bp->req_line_speed = SPEED_1000;
1721 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1722 bp->req_line_speed = SPEED_2500;
1723 }
1724}
1725
deaf391b
MC		 1726static void
1727bnx2_set_default_link(struct bnx2 *bp)
1728{
ab59859d
HH		 1729 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1730 bnx2_set_default_remote_link(bp);
1731 return;
1732 }
0d8a6571 1733
deaf391b
MC		 1734 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1735 bp->req_line_speed = 0;
583c28e5 1736 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
deaf391b
MC		 1737 u32 reg;
1738
1739 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1740
2726d6e1 1741 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
deaf391b
MC		 1742 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1743 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1744 bp->autoneg = 0;
1745 bp->req_line_speed = bp->line_speed = SPEED_1000;
1746 bp->req_duplex = DUPLEX_FULL;
1747 }
1748 } else
1749 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1750}
1751
df149d70
MC		 1752static void
1753bnx2_send_heart_beat(struct bnx2 *bp)
1754{
1755 u32 msg;
1756 u32 addr;
1757
1758 spin_lock(&bp->indirect_lock);
1759 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1760 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1761 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1762 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1763 spin_unlock(&bp->indirect_lock);
1764}
1765
0d8a6571
MC		 1766static void
1767bnx2_remote_phy_event(struct bnx2 *bp)
1768{
1769 u32 msg;
1770 u8 link_up = bp->link_up;
1771 u8 old_port;
1772
2726d6e1 1773 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
0d8a6571 1774
df149d70
MC		 1775 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1776 bnx2_send_heart_beat(bp);
1777
1778 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1779
0d8a6571
MC		 1780 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1781 bp->link_up = 0;
1782 else {
1783 u32 speed;
1784
1785 bp->link_up = 1;
1786 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1787 bp->duplex = DUPLEX_FULL;
1788 switch (speed) {
1789 case BNX2_LINK_STATUS_10HALF:
1790 bp->duplex = DUPLEX_HALF;
1791 case BNX2_LINK_STATUS_10FULL:
1792 bp->line_speed = SPEED_10;
1793 break;
1794 case BNX2_LINK_STATUS_100HALF:
1795 bp->duplex = DUPLEX_HALF;
1796 case BNX2_LINK_STATUS_100BASE_T4:
1797 case BNX2_LINK_STATUS_100FULL:
1798 bp->line_speed = SPEED_100;
1799 break;
1800 case BNX2_LINK_STATUS_1000HALF:
1801 bp->duplex = DUPLEX_HALF;
1802 case BNX2_LINK_STATUS_1000FULL:
1803 bp->line_speed = SPEED_1000;
1804 break;
1805 case BNX2_LINK_STATUS_2500HALF:
1806 bp->duplex = DUPLEX_HALF;
1807 case BNX2_LINK_STATUS_2500FULL:
1808 bp->line_speed = SPEED_2500;
1809 break;
1810 default:
1811 bp->line_speed = 0;
1812 break;
1813 }
1814
0d8a6571
MC		 1815 bp->flow_ctrl = 0;
1816 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1817 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1818 if (bp->duplex == DUPLEX_FULL)
1819 bp->flow_ctrl = bp->req_flow_ctrl;
1820 } else {
1821 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1822 bp->flow_ctrl |= FLOW_CTRL_TX;
1823 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1824 bp->flow_ctrl |= FLOW_CTRL_RX;
1825 }
1826
1827 old_port = bp->phy_port;
1828 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1829 bp->phy_port = PORT_FIBRE;
1830 else
1831 bp->phy_port = PORT_TP;
1832
1833 if (old_port != bp->phy_port)
1834 bnx2_set_default_link(bp);
1835
0d8a6571
MC		 1836 }
1837 if (bp->link_up != link_up)
1838 bnx2_report_link(bp);
1839
1840 bnx2_set_mac_link(bp);
1841}
1842
1843static int
1844bnx2_set_remote_link(struct bnx2 *bp)
1845{
1846 u32 evt_code;
1847
2726d6e1 1848 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
0d8a6571
MC		 1849 switch (evt_code) {
1850 case BNX2_FW_EVT_CODE_LINK_EVENT:
1851 bnx2_remote_phy_event(bp);
1852 break;
1853 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1854 default:
df149d70 1855 bnx2_send_heart_beat(bp);
0d8a6571
MC		 1856 break;
1857 }
1858 return 0;
1859}
1860
b6016b76
MC		 1861static int
1862bnx2_setup_copper_phy(struct bnx2 *bp)
1863{
1864 u32 bmcr;
1865 u32 new_bmcr;
1866
ca58c3af 1867 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1868
1869 if (bp->autoneg & AUTONEG_SPEED) {
1870 u32 adv_reg, adv1000_reg;
1871 u32 new_adv_reg = 0;
1872 u32 new_adv1000_reg = 0;
1873
ca58c3af 1874 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
b6016b76
MC		 1875 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1876 ADVERTISE_PAUSE_ASYM);
1877
1878 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1879 adv1000_reg &= PHY_ALL_1000_SPEED;
1880
1881 if (bp->advertising & ADVERTISED_10baseT_Half)
1882 new_adv_reg |= ADVERTISE_10HALF;
1883 if (bp->advertising & ADVERTISED_10baseT_Full)
1884 new_adv_reg |= ADVERTISE_10FULL;
1885 if (bp->advertising & ADVERTISED_100baseT_Half)
1886 new_adv_reg |= ADVERTISE_100HALF;
1887 if (bp->advertising & ADVERTISED_100baseT_Full)
1888 new_adv_reg |= ADVERTISE_100FULL;
1889 if (bp->advertising & ADVERTISED_1000baseT_Full)
1890 new_adv1000_reg |= ADVERTISE_1000FULL;
6aa20a22 1891
b6016b76
MC		 1892 new_adv_reg |= ADVERTISE_CSMA;
1893
1894 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1895
1896 if ((adv1000_reg != new_adv1000_reg) ||
1897 (adv_reg != new_adv_reg) ||
1898 ((bmcr & BMCR_ANENABLE) == 0)) {
1899
ca58c3af 1900 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
b6016b76 1901 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
ca58c3af 1902 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
b6016b76
MC		 1903 BMCR_ANENABLE);
1904 }
1905 else if (bp->link_up) {
1906 /* Flow ctrl may have changed from auto to forced */
1907 /* or vice-versa. */
1908
1909 bnx2_resolve_flow_ctrl(bp);
1910 bnx2_set_mac_link(bp);
1911 }
1912 return 0;
1913 }
1914
1915 new_bmcr = 0;
1916 if (bp->req_line_speed == SPEED_100) {
1917 new_bmcr |= BMCR_SPEED100;
1918 }
1919 if (bp->req_duplex == DUPLEX_FULL) {
1920 new_bmcr |= BMCR_FULLDPLX;
1921 }
1922 if (new_bmcr != bmcr) {
1923 u32 bmsr;
b6016b76 1924
ca58c3af
MC		 1925 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1926 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
6aa20a22 1927
b6016b76
MC		 1928 if (bmsr & BMSR_LSTATUS) {
1929 /* Force link down */
ca58c3af 1930 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
a16dda0e
MC		 1931 spin_unlock_bh(&bp->phy_lock);
1932 msleep(50);
1933 spin_lock_bh(&bp->phy_lock);
1934
ca58c3af
MC		 1935 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1936 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
b6016b76
MC		 1937 }
1938
ca58c3af 1939 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
b6016b76
MC		 1940
1941 /* Normally, the new speed is setup after the link has
1942 * gone down and up again. In some cases, link will not go
1943 * down so we need to set up the new speed here.
1944 */
1945 if (bmsr & BMSR_LSTATUS) {
1946 bp->line_speed = bp->req_line_speed;
1947 bp->duplex = bp->req_duplex;
1948 bnx2_resolve_flow_ctrl(bp);
1949 bnx2_set_mac_link(bp);
1950 }
27a005b8
MC		 1951 } else {
1952 bnx2_resolve_flow_ctrl(bp);
1953 bnx2_set_mac_link(bp);
b6016b76
MC		 1954 }
1955 return 0;
1956}
1957
1958static int
0d8a6571 1959bnx2_setup_phy(struct bnx2 *bp, u8 port)
b6016b76
MC		 1960{
1961 if (bp->loopback == MAC_LOOPBACK)
1962 return 0;
1963
583c28e5 1964 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
0d8a6571 1965 return (bnx2_setup_serdes_phy(bp, port));
b6016b76
MC		 1966 }
1967 else {
1968 return (bnx2_setup_copper_phy(bp));
1969 }
1970}
1971
27a005b8 1972static int
9a120bc5 1973bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
27a005b8
MC		 1974{
1975 u32 val;
1976
1977 bp->mii_bmcr = MII_BMCR + 0x10;
1978 bp->mii_bmsr = MII_BMSR + 0x10;
1979 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1980 bp->mii_adv = MII_ADVERTISE + 0x10;
1981 bp->mii_lpa = MII_LPA + 0x10;
1982 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1983
1984 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1985 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1986
1987 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
9a120bc5
MC		 1988 if (reset_phy)
1989 bnx2_reset_phy(bp);
27a005b8
MC		 1990
1991 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1992
1993 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1994 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1995 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1996 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1997
1998 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1999 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
583c28e5 2000 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
27a005b8
MC		 2001 val |= BCM5708S_UP1_2G5;
2002 else
2003 val &= ~BCM5708S_UP1_2G5;
2004 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2005
2006 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2007 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2008 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2009 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2010
2011 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2012
2013 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2014 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2015 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2016
2017 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2018
2019 return 0;
2020}
2021
b6016b76 2022static int
9a120bc5 2023bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
5b0c76ad
MC		 2024{
2025 u32 val;
2026
9a120bc5
MC		 2027 if (reset_phy)
2028 bnx2_reset_phy(bp);
27a005b8
MC		 2029
2030 bp->mii_up1 = BCM5708S_UP1;
2031
5b0c76ad
MC		 2032 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2033 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2034 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2035
2036 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2037 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2038 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2039
2040 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2041 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2042 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2043
583c28e5 2044 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
5b0c76ad
MC		 2045 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2046 val |= BCM5708S_UP1_2G5;
2047 bnx2_write_phy(bp, BCM5708S_UP1, val);
2048 }
2049
2050 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
dda1e390
MC		 2051 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2052 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
5b0c76ad
MC		 2053 /* increase tx signal amplitude */
2054 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2055 BCM5708S_BLK_ADDR_TX_MISC);
2056 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2057 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2058 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2059 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2060 }
2061
2726d6e1 2062 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
5b0c76ad
MC		 2063 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2064
2065 if (val) {
2066 u32 is_backplane;
2067
2726d6e1 2068 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
5b0c76ad
MC		 2069 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2070 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2071 BCM5708S_BLK_ADDR_TX_MISC);
2072 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2073 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2074 BCM5708S_BLK_ADDR_DIG);
2075 }
2076 }
2077 return 0;
2078}
2079
2080static int
9a120bc5 2081bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2082{
9a120bc5
MC		 2083 if (reset_phy)
2084 bnx2_reset_phy(bp);
27a005b8 2085
583c28e5 2086 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b6016b76 2087
59b47d8a
MC		 2088 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2089 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
b6016b76
MC		 2090
2091 if (bp->dev->mtu > 1500) {
2092 u32 val;
2093
2094 /* Set extended packet length bit */
2095 bnx2_write_phy(bp, 0x18, 0x7);
2096 bnx2_read_phy(bp, 0x18, &val);
2097 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2098
2099 bnx2_write_phy(bp, 0x1c, 0x6c00);
2100 bnx2_read_phy(bp, 0x1c, &val);
2101 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2102 }
2103 else {
2104 u32 val;
2105
2106 bnx2_write_phy(bp, 0x18, 0x7);
2107 bnx2_read_phy(bp, 0x18, &val);
2108 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2109
2110 bnx2_write_phy(bp, 0x1c, 0x6c00);
2111 bnx2_read_phy(bp, 0x1c, &val);
2112 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2113 }
2114
2115 return 0;
2116}
2117
2118static int
9a120bc5 2119bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2120{
5b0c76ad
MC		 2121 u32 val;
2122
9a120bc5
MC		 2123 if (reset_phy)
2124 bnx2_reset_phy(bp);
27a005b8 2125
583c28e5 2126 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
b6016b76
MC		 2127 bnx2_write_phy(bp, 0x18, 0x0c00);
2128 bnx2_write_phy(bp, 0x17, 0x000a);
2129 bnx2_write_phy(bp, 0x15, 0x310b);
2130 bnx2_write_phy(bp, 0x17, 0x201f);
2131 bnx2_write_phy(bp, 0x15, 0x9506);
2132 bnx2_write_phy(bp, 0x17, 0x401f);
2133 bnx2_write_phy(bp, 0x15, 0x14e2);
2134 bnx2_write_phy(bp, 0x18, 0x0400);
2135 }
2136
583c28e5 2137 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
b659f44e
MC		 2138 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2139 MII_BNX2_DSP_EXPAND_REG | 0x8);
2140 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2141 val &= ~(1 << 8);
2142 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2143 }
2144
b6016b76 2145 if (bp->dev->mtu > 1500) {
b6016b76
MC		 2146 /* Set extended packet length bit */
2147 bnx2_write_phy(bp, 0x18, 0x7);
2148 bnx2_read_phy(bp, 0x18, &val);
2149 bnx2_write_phy(bp, 0x18, val | 0x4000);
2150
2151 bnx2_read_phy(bp, 0x10, &val);
2152 bnx2_write_phy(bp, 0x10, val | 0x1);
2153 }
2154 else {
b6016b76
MC		 2155 bnx2_write_phy(bp, 0x18, 0x7);
2156 bnx2_read_phy(bp, 0x18, &val);
2157 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2158
2159 bnx2_read_phy(bp, 0x10, &val);
2160 bnx2_write_phy(bp, 0x10, val & ~0x1);
2161 }
2162
5b0c76ad
MC		 2163 /* ethernet@wirespeed */
2164 bnx2_write_phy(bp, 0x18, 0x7007);
2165 bnx2_read_phy(bp, 0x18, &val);
2166 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
b6016b76
MC		 2167 return 0;
2168}
2169
2170
2171static int
9a120bc5 2172bnx2_init_phy(struct bnx2 *bp, int reset_phy)
b6016b76
MC		 2173{
2174 u32 val;
2175 int rc = 0;
2176
583c28e5
MC		 2177 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2178 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
b6016b76 2179
ca58c3af
MC		 2180 bp->mii_bmcr = MII_BMCR;
2181 bp->mii_bmsr = MII_BMSR;
27a005b8 2182 bp->mii_bmsr1 = MII_BMSR;
ca58c3af
MC		 2183 bp->mii_adv = MII_ADVERTISE;
2184 bp->mii_lpa = MII_LPA;
2185
b6016b76
MC		 2186 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2187
583c28e5 2188 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 2189 goto setup_phy;
2190
b6016b76
MC		 2191 bnx2_read_phy(bp, MII_PHYSID1, &val);
2192 bp->phy_id = val << 16;
2193 bnx2_read_phy(bp, MII_PHYSID2, &val);
2194 bp->phy_id |= val & 0xffff;
2195
583c28e5 2196 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5b0c76ad 2197 if (CHIP_NUM(bp) == CHIP_NUM_5706)
9a120bc5 2198 rc = bnx2_init_5706s_phy(bp, reset_phy);
5b0c76ad 2199 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
9a120bc5 2200 rc = bnx2_init_5708s_phy(bp, reset_phy);
27a005b8 2201 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
9a120bc5 2202 rc = bnx2_init_5709s_phy(bp, reset_phy);
b6016b76
MC		 2203 }
2204 else {
9a120bc5 2205 rc = bnx2_init_copper_phy(bp, reset_phy);
b6016b76
MC		 2206 }
2207
0d8a6571
MC		 2208setup_phy:
2209 if (!rc)
2210 rc = bnx2_setup_phy(bp, bp->phy_port);
b6016b76
MC		 2211
2212 return rc;
2213}
2214
2215static int
2216bnx2_set_mac_loopback(struct bnx2 *bp)
2217{
2218 u32 mac_mode;
2219
2220 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2221 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2222 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2223 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2224 bp->link_up = 1;
2225 return 0;
2226}
2227
bc5a0690
MC		 2228static int bnx2_test_link(struct bnx2 *);
2229
2230static int
2231bnx2_set_phy_loopback(struct bnx2 *bp)
2232{
2233 u32 mac_mode;
2234 int rc, i;
2235
2236 spin_lock_bh(&bp->phy_lock);
ca58c3af 2237 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
bc5a0690
MC		 2238 BMCR_SPEED1000);
2239 spin_unlock_bh(&bp->phy_lock);
2240 if (rc)
2241 return rc;
2242
2243 for (i = 0; i < 10; i++) {
2244 if (bnx2_test_link(bp) == 0)
2245 break;
80be4434 2246 msleep(100);
bc5a0690
MC		 2247 }
2248
2249 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2250 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2251 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 2252 BNX2_EMAC_MODE_25G_MODE);
bc5a0690
MC		 2253
2254 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2255 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2256 bp->link_up = 1;
2257 return 0;
2258}
2259
b6016b76 2260static int
b090ae2b 2261bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
b6016b76
MC		 2262{
2263 int i;
2264 u32 val;
2265
b6016b76
MC		 2266 bp->fw_wr_seq++;
2267 msg_data |= bp->fw_wr_seq;
2268
2726d6e1 2269 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76
MC		 2270
2271 /* wait for an acknowledgement. */
b090ae2b
MC		 2272 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2273 msleep(10);
b6016b76 2274
2726d6e1 2275 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
b6016b76
MC		 2276
2277 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2278 break;
2279 }
b090ae2b
MC		 2280 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2281 return 0;
b6016b76
MC		 2282
2283 /* If we timed out, inform the firmware that this is the case. */
b090ae2b
MC		 2284 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2285 if (!silent)
2286 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2287 "%x\n", msg_data);
b6016b76
MC		 2288
2289 msg_data &= ~BNX2_DRV_MSG_CODE;
2290 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2291
2726d6e1 2292 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76 2293
b6016b76
MC		 2294 return -EBUSY;
2295 }
2296
b090ae2b
MC		 2297 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2298 return -EIO;
2299
b6016b76
MC		 2300 return 0;
2301}
2302
59b47d8a
MC		 2303static int
2304bnx2_init_5709_context(struct bnx2 *bp)
2305{
2306 int i, ret = 0;
2307 u32 val;
2308
2309 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2310 val |= (BCM_PAGE_BITS - 8) << 16;
2311 REG_WR(bp, BNX2_CTX_COMMAND, val);
641bdcd5
MC		 2312 for (i = 0; i < 10; i++) {
2313 val = REG_RD(bp, BNX2_CTX_COMMAND);
2314 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2315 break;
2316 udelay(2);
2317 }
2318 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2319 return -EBUSY;
2320
59b47d8a
MC		 2321 for (i = 0; i < bp->ctx_pages; i++) {
2322 int j;
2323
352f7687
MC		 2324 if (bp->ctx_blk[i])
2325 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2326 else
2327 return -ENOMEM;
2328
59b47d8a
MC		 2329 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2330 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2331 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2332 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2333 (u64) bp->ctx_blk_mapping[i] >> 32);
2334 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2335 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2336 for (j = 0; j < 10; j++) {
2337
2338 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2339 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2340 break;
2341 udelay(5);
2342 }
2343 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2344 ret = -EBUSY;
2345 break;
2346 }
2347 }
2348 return ret;
2349}
2350
b6016b76
MC		 2351static void
2352bnx2_init_context(struct bnx2 *bp)
2353{
2354 u32 vcid;
2355
2356 vcid = 96;
2357 while (vcid) {
2358 u32 vcid_addr, pcid_addr, offset;
7947b20e 2359 int i;
b6016b76
MC		 2360
2361 vcid--;
2362
2363 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2364 u32 new_vcid;
2365
2366 vcid_addr = GET_PCID_ADDR(vcid);
2367 if (vcid & 0x8) {
2368 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2369 }
2370 else {
2371 new_vcid = vcid;
2372 }
2373 pcid_addr = GET_PCID_ADDR(new_vcid);
2374 }
2375 else {
2376 vcid_addr = GET_CID_ADDR(vcid);
2377 pcid_addr = vcid_addr;
2378 }
2379
7947b20e
MC		 2380 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2381 vcid_addr += (i << PHY_CTX_SHIFT);
2382 pcid_addr += (i << PHY_CTX_SHIFT);
b6016b76 2383
5d5d0015 2384 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
7947b20e 2385 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
b6016b76 2386
7947b20e
MC		 2387 /* Zero out the context. */
2388 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
62a8313c 2389 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
7947b20e 2390 }
b6016b76
MC		 2391 }
2392}
2393
2394static int
2395bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2396{
2397 u16 *good_mbuf;
2398 u32 good_mbuf_cnt;
2399 u32 val;
2400
2401 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2402 if (good_mbuf == NULL) {
2403 printk(KERN_ERR PFX "Failed to allocate memory in "
2404 "bnx2_alloc_bad_rbuf\n");
2405 return -ENOMEM;
2406 }
2407
2408 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2409 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2410
2411 good_mbuf_cnt = 0;
2412
2413 /* Allocate a bunch of mbufs and save the good ones in an array. */
2726d6e1 2414 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76 2415 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2726d6e1
MC		 2416 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2417 BNX2_RBUF_COMMAND_ALLOC_REQ);
b6016b76 2418
2726d6e1 2419 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
b6016b76
MC		 2420
2421 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2422
2423 /* The addresses with Bit 9 set are bad memory blocks. */
2424 if (!(val & (1 << 9))) {
2425 good_mbuf[good_mbuf_cnt] = (u16) val;
2426 good_mbuf_cnt++;
2427 }
2428
2726d6e1 2429 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76
MC		 2430 }
2431
2432 /* Free the good ones back to the mbuf pool thus discarding
2433 * all the bad ones. */
2434 while (good_mbuf_cnt) {
2435 good_mbuf_cnt--;
2436
2437 val = good_mbuf[good_mbuf_cnt];
2438 val = (val << 9) | val | 1;
2439
2726d6e1 2440 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
b6016b76
MC		 2441 }
2442 kfree(good_mbuf);
2443 return 0;
2444}
2445
2446static void
6aa20a22 2447bnx2_set_mac_addr(struct bnx2 *bp)
b6016b76
MC		 2448{
2449 u32 val;
2450 u8 *mac_addr = bp->dev->dev_addr;
2451
2452 val = (mac_addr[0] << 8) | mac_addr[1];
2453
2454 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2455
6aa20a22 2456 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
b6016b76
MC		 2457 (mac_addr[4] << 8) | mac_addr[5];
2458
2459 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2460}
2461
47bf4246 2462static inline int
bb4f98ab 2463bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
47bf4246
MC		 2464{
2465 dma_addr_t mapping;
bb4f98ab 2466 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246 2467 struct rx_bd *rxbd =
bb4f98ab 2468 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
47bf4246
MC		 2469 struct page *page = alloc_page(GFP_ATOMIC);
2470
2471 if (!page)
2472 return -ENOMEM;
2473 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2474 PCI_DMA_FROMDEVICE);
2475 rx_pg->page = page;
2476 pci_unmap_addr_set(rx_pg, mapping, mapping);
2477 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2478 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2479 return 0;
2480}
2481
2482static void
bb4f98ab 2483bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
47bf4246 2484{
bb4f98ab 2485 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246
MC		 2486 struct page *page = rx_pg->page;
2487
2488 if (!page)
2489 return;
2490
2491 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2492 PCI_DMA_FROMDEVICE);
2493
2494 __free_page(page);
2495 rx_pg->page = NULL;
2496}
2497
b6016b76 2498static inline int
bb4f98ab 2499bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
b6016b76
MC		 2500{
2501 struct sk_buff *skb;
bb4f98ab 2502 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
b6016b76 2503 dma_addr_t mapping;
bb4f98ab 2504 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
b6016b76
MC		 2505 unsigned long align;
2506
932f3772 2507 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
b6016b76
MC		 2508 if (skb == NULL) {
2509 return -ENOMEM;
2510 }
2511
59b47d8a
MC		 2512 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2513 skb_reserve(skb, BNX2_RX_ALIGN - align);
b6016b76 2514
b6016b76
MC		 2515 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2516 PCI_DMA_FROMDEVICE);
2517
2518 rx_buf->skb = skb;
2519 pci_unmap_addr_set(rx_buf, mapping, mapping);
2520
2521 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2522 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2523
bb4f98ab 2524 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76
MC		 2525
2526 return 0;
2527}
2528
da3e4fbe 2529static int
35efa7c1 2530bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
b6016b76 2531{
43e80b89 2532 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76 2533 u32 new_link_state, old_link_state;
da3e4fbe 2534 int is_set = 1;
b6016b76 2535
da3e4fbe
MC		 2536 new_link_state = sblk->status_attn_bits & event;
2537 old_link_state = sblk->status_attn_bits_ack & event;
b6016b76 2538 if (new_link_state != old_link_state) {
da3e4fbe
MC		 2539 if (new_link_state)
2540 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2541 else
2542 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2543 } else
2544 is_set = 0;
2545
2546 return is_set;
2547}
2548
2549static void
35efa7c1 2550bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
da3e4fbe 2551{
74ecc62d
MC		 2552 spin_lock(&bp->phy_lock);
2553
2554 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
b6016b76 2555 bnx2_set_link(bp);
35efa7c1 2556 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
0d8a6571
MC		 2557 bnx2_set_remote_link(bp);
2558
74ecc62d
MC		 2559 spin_unlock(&bp->phy_lock);
2560
b6016b76
MC		 2561}
2562
ead7270b 2563static inline u16
35efa7c1 2564bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
ead7270b
MC		 2565{
2566 u16 cons;
2567
43e80b89
MC		 2568 /* Tell compiler that status block fields can change. */
2569 barrier();
2570 cons = *bnapi->hw_tx_cons_ptr;
ead7270b
MC		 2571 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2572 cons++;
2573 return cons;
2574}
2575
57851d84
MC		 2576static int
2577bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 2578{
35e9010b 2579 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
b6016b76 2580 u16 hw_cons, sw_cons, sw_ring_cons;
57851d84 2581 int tx_pkt = 0;
b6016b76 2582
35efa7c1 2583 hw_cons = bnx2_get_hw_tx_cons(bnapi);
35e9010b 2584 sw_cons = txr->tx_cons;
b6016b76
MC		 2585
2586 while (sw_cons != hw_cons) {
2587 struct sw_bd *tx_buf;
2588 struct sk_buff *skb;
2589 int i, last;
2590
2591 sw_ring_cons = TX_RING_IDX(sw_cons);
2592
35e9010b 2593 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
b6016b76 2594 skb = tx_buf->skb;
1d39ed56 2595
b6016b76 2596 /* partial BD completions possible with TSO packets */
89114afd 2597 if (skb_is_gso(skb)) {
b6016b76
MC		 2598 u16 last_idx, last_ring_idx;
2599
2600 last_idx = sw_cons +
2601 skb_shinfo(skb)->nr_frags + 1;
2602 last_ring_idx = sw_ring_cons +
2603 skb_shinfo(skb)->nr_frags + 1;
2604 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2605 last_idx++;
2606 }
2607 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2608 break;
2609 }
2610 }
1d39ed56 2611
b6016b76
MC		 2612 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2613 skb_headlen(skb), PCI_DMA_TODEVICE);
2614
2615 tx_buf->skb = NULL;
2616 last = skb_shinfo(skb)->nr_frags;
2617
2618 for (i = 0; i < last; i++) {
2619 sw_cons = NEXT_TX_BD(sw_cons);
2620
2621 pci_unmap_page(bp->pdev,
2622 pci_unmap_addr(
35e9010b 2623 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
b6016b76
MC		 2624 mapping),
2625 skb_shinfo(skb)->frags[i].size,
2626 PCI_DMA_TODEVICE);
2627 }
2628
2629 sw_cons = NEXT_TX_BD(sw_cons);
2630
745720e5 2631 dev_kfree_skb(skb);
57851d84
MC		 2632 tx_pkt++;
2633 if (tx_pkt == budget)
2634 break;
b6016b76 2635
35efa7c1 2636 hw_cons = bnx2_get_hw_tx_cons(bnapi);
b6016b76
MC		 2637 }
2638
35e9010b
MC		 2639 txr->hw_tx_cons = hw_cons;
2640 txr->tx_cons = sw_cons;
2f8af120
MC		 2641 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2642 * before checking for netif_queue_stopped(). Without the
2643 * memory barrier, there is a small possibility that bnx2_start_xmit()
2644 * will miss it and cause the queue to be stopped forever.
2645 */
2646 smp_mb();
b6016b76 2647
2f8af120 2648 if (unlikely(netif_queue_stopped(bp->dev)) &&
35e9010b 2649 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2f8af120 2650 netif_tx_lock(bp->dev);
b6016b76 2651 if ((netif_queue_stopped(bp->dev)) &&
35e9010b 2652 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
b6016b76 2653 netif_wake_queue(bp->dev);
2f8af120 2654 netif_tx_unlock(bp->dev);
b6016b76 2655 }
57851d84 2656 return tx_pkt;
b6016b76
MC		 2657}
2658
1db82f2a 2659static void
bb4f98ab 2660bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
a1f60190 2661 struct sk_buff *skb, int count)
1db82f2a
MC		 2662{
2663 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2664 struct rx_bd *cons_bd, *prod_bd;
2665 dma_addr_t mapping;
2666 int i;
bb4f98ab
MC		 2667 u16 hw_prod = rxr->rx_pg_prod, prod;
2668 u16 cons = rxr->rx_pg_cons;
1db82f2a
MC		 2669
2670 for (i = 0; i < count; i++) {
2671 prod = RX_PG_RING_IDX(hw_prod);
2672
bb4f98ab
MC		 2673 prod_rx_pg = &rxr->rx_pg_ring[prod];
2674 cons_rx_pg = &rxr->rx_pg_ring[cons];
2675 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2676 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
1db82f2a
MC		 2677
2678 if (i == 0 && skb) {
2679 struct page *page;
2680 struct skb_shared_info *shinfo;
2681
2682 shinfo = skb_shinfo(skb);
2683 shinfo->nr_frags--;
2684 page = shinfo->frags[shinfo->nr_frags].page;
2685 shinfo->frags[shinfo->nr_frags].page = NULL;
2686 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2687 PCI_DMA_FROMDEVICE);
2688 cons_rx_pg->page = page;
2689 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2690 dev_kfree_skb(skb);
2691 }
2692 if (prod != cons) {
2693 prod_rx_pg->page = cons_rx_pg->page;
2694 cons_rx_pg->page = NULL;
2695 pci_unmap_addr_set(prod_rx_pg, mapping,
2696 pci_unmap_addr(cons_rx_pg, mapping));
2697
2698 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2699 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2700
2701 }
2702 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2703 hw_prod = NEXT_RX_BD(hw_prod);
2704 }
bb4f98ab
MC		 2705 rxr->rx_pg_prod = hw_prod;
2706 rxr->rx_pg_cons = cons;
1db82f2a
MC		 2707}
2708
b6016b76 2709static inline void
bb4f98ab
MC		 2710bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2711 struct sk_buff *skb, u16 cons, u16 prod)
b6016b76 2712{
236b6394
MC		 2713 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2714 struct rx_bd *cons_bd, *prod_bd;
2715
bb4f98ab
MC		 2716 cons_rx_buf = &rxr->rx_buf_ring[cons];
2717 prod_rx_buf = &rxr->rx_buf_ring[prod];
b6016b76
MC		 2718
2719 pci_dma_sync_single_for_device(bp->pdev,
2720 pci_unmap_addr(cons_rx_buf, mapping),
601d3d18 2721 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
b6016b76 2722
bb4f98ab 2723 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76 2724
236b6394 2725 prod_rx_buf->skb = skb;
b6016b76 2726
236b6394
MC		 2727 if (cons == prod)
2728 return;
b6016b76 2729
236b6394
MC		 2730 pci_unmap_addr_set(prod_rx_buf, mapping,
2731 pci_unmap_addr(cons_rx_buf, mapping));
2732
bb4f98ab
MC		 2733 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2734 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
236b6394
MC		 2735 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2736 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
b6016b76
MC		 2737}
2738
85833c62 2739static int
bb4f98ab 2740bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
a1f60190
MC		 2741 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2742 u32 ring_idx)
85833c62
MC		 2743{
2744 int err;
2745 u16 prod = ring_idx & 0xffff;
2746
bb4f98ab 2747 err = bnx2_alloc_rx_skb(bp, rxr, prod);
85833c62 2748 if (unlikely(err)) {
bb4f98ab 2749 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
1db82f2a
MC		 2750 if (hdr_len) {
2751 unsigned int raw_len = len + 4;
2752 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2753
bb4f98ab 2754 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
1db82f2a 2755 }
85833c62
MC		 2756 return err;
2757 }
2758
d89cb6af 2759 skb_reserve(skb, BNX2_RX_OFFSET);
85833c62
MC		 2760 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2761 PCI_DMA_FROMDEVICE);
2762
1db82f2a
MC		 2763 if (hdr_len == 0) {
2764 skb_put(skb, len);
2765 return 0;
2766 } else {
2767 unsigned int i, frag_len, frag_size, pages;
2768 struct sw_pg *rx_pg;
bb4f98ab
MC		 2769 u16 pg_cons = rxr->rx_pg_cons;
2770 u16 pg_prod = rxr->rx_pg_prod;
1db82f2a
MC		 2771
2772 frag_size = len + 4 - hdr_len;
2773 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2774 skb_put(skb, hdr_len);
2775
2776 for (i = 0; i < pages; i++) {
2777 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2778 if (unlikely(frag_len <= 4)) {
2779 unsigned int tail = 4 - frag_len;
2780
bb4f98ab
MC		 2781 rxr->rx_pg_cons = pg_cons;
2782 rxr->rx_pg_prod = pg_prod;
2783 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
a1f60190 2784 pages - i);
1db82f2a
MC		 2785 skb->len -= tail;
2786 if (i == 0) {
2787 skb->tail -= tail;
2788 } else {
2789 skb_frag_t *frag =
2790 &skb_shinfo(skb)->frags[i - 1];
2791 frag->size -= tail;
2792 skb->data_len -= tail;
2793 skb->truesize -= tail;
2794 }
2795 return 0;
2796 }
bb4f98ab 2797 rx_pg = &rxr->rx_pg_ring[pg_cons];
1db82f2a
MC		 2798
2799 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2800 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2801
2802 if (i == pages - 1)
2803 frag_len -= 4;
2804
2805 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2806 rx_pg->page = NULL;
2807
bb4f98ab
MC		 2808 err = bnx2_alloc_rx_page(bp, rxr,
2809 RX_PG_RING_IDX(pg_prod));
1db82f2a 2810 if (unlikely(err)) {
bb4f98ab
MC		 2811 rxr->rx_pg_cons = pg_cons;
2812 rxr->rx_pg_prod = pg_prod;
2813 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
a1f60190 2814 pages - i);
1db82f2a
MC		 2815 return err;
2816 }
2817
2818 frag_size -= frag_len;
2819 skb->data_len += frag_len;
2820 skb->truesize += frag_len;
2821 skb->len += frag_len;
2822
2823 pg_prod = NEXT_RX_BD(pg_prod);
2824 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2825 }
bb4f98ab
MC		 2826 rxr->rx_pg_prod = pg_prod;
2827 rxr->rx_pg_cons = pg_cons;
1db82f2a 2828 }
85833c62
MC		 2829 return 0;
2830}
2831
c09c2627 2832static inline u16
35efa7c1 2833bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
c09c2627 2834{
bb4f98ab
MC		 2835 u16 cons;
2836
43e80b89
MC		 2837 /* Tell compiler that status block fields can change. */
2838 barrier();
2839 cons = *bnapi->hw_rx_cons_ptr;
c09c2627
MC		 2840 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2841 cons++;
2842 return cons;
2843}
2844
b6016b76 2845static int
35efa7c1 2846bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 2847{
bb4f98ab 2848 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76
MC		 2849 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2850 struct l2_fhdr *rx_hdr;
1db82f2a 2851 int rx_pkt = 0, pg_ring_used = 0;
b6016b76 2852
35efa7c1 2853 hw_cons = bnx2_get_hw_rx_cons(bnapi);
bb4f98ab
MC		 2854 sw_cons = rxr->rx_cons;
2855 sw_prod = rxr->rx_prod;
b6016b76
MC		 2856
2857 /* Memory barrier necessary as speculative reads of the rx
2858 * buffer can be ahead of the index in the status block
2859 */
2860 rmb();
2861 while (sw_cons != hw_cons) {
1db82f2a 2862 unsigned int len, hdr_len;
ade2bfe7 2863 u32 status;
b6016b76
MC		 2864 struct sw_bd *rx_buf;
2865 struct sk_buff *skb;
236b6394 2866 dma_addr_t dma_addr;
b6016b76
MC		 2867
2868 sw_ring_cons = RX_RING_IDX(sw_cons);
2869 sw_ring_prod = RX_RING_IDX(sw_prod);
2870
bb4f98ab 2871 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
b6016b76 2872 skb = rx_buf->skb;
236b6394
MC		 2873
2874 rx_buf->skb = NULL;
2875
2876 dma_addr = pci_unmap_addr(rx_buf, mapping);
2877
2878 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
601d3d18
BL		 2879 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2880 PCI_DMA_FROMDEVICE);
b6016b76
MC		 2881
2882 rx_hdr = (struct l2_fhdr *) skb->data;
1db82f2a 2883 len = rx_hdr->l2_fhdr_pkt_len;
b6016b76 2884
ade2bfe7 2885 if ((status = rx_hdr->l2_fhdr_status) &
b6016b76
MC		 2886 (L2_FHDR_ERRORS_BAD_CRC |
2887 L2_FHDR_ERRORS_PHY_DECODE |
2888 L2_FHDR_ERRORS_ALIGNMENT |
2889 L2_FHDR_ERRORS_TOO_SHORT |
2890 L2_FHDR_ERRORS_GIANT_FRAME)) {
2891
bb4f98ab 2892 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
a1f60190 2893 sw_ring_prod);
85833c62 2894 goto next_rx;
b6016b76 2895 }
1db82f2a
MC		 2896 hdr_len = 0;
2897 if (status & L2_FHDR_STATUS_SPLIT) {
2898 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2899 pg_ring_used = 1;
2900 } else if (len > bp->rx_jumbo_thresh) {
2901 hdr_len = bp->rx_jumbo_thresh;
2902 pg_ring_used = 1;
2903 }
2904
2905 len -= 4;
b6016b76 2906
5d5d0015 2907 if (len <= bp->rx_copy_thresh) {
b6016b76
MC		 2908 struct sk_buff *new_skb;
2909
932f3772 2910 new_skb = netdev_alloc_skb(bp->dev, len + 2);
85833c62 2911 if (new_skb == NULL) {
bb4f98ab 2912 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
85833c62
MC		 2913 sw_ring_prod);
2914 goto next_rx;
2915 }
b6016b76
MC		 2916
2917 /* aligned copy */
d89cb6af
BL		 2918 skb_copy_from_linear_data_offset(skb,
2919 BNX2_RX_OFFSET - 2,
d626f62b 2920 new_skb->data, len + 2);
b6016b76
MC		 2921 skb_reserve(new_skb, 2);
2922 skb_put(new_skb, len);
b6016b76 2923
bb4f98ab 2924 bnx2_reuse_rx_skb(bp, rxr, skb,
b6016b76
MC		 2925 sw_ring_cons, sw_ring_prod);
2926
2927 skb = new_skb;
bb4f98ab 2928 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
a1f60190 2929 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
b6016b76 2930 goto next_rx;
b6016b76
MC		 2931
2932 skb->protocol = eth_type_trans(skb, bp->dev);
2933
2934 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
d1e100ba 2935 (ntohs(skb->protocol) != 0x8100)) {
b6016b76 2936
745720e5 2937 dev_kfree_skb(skb);
b6016b76
MC		 2938 goto next_rx;
2939
2940 }
2941
b6016b76
MC		 2942 skb->ip_summed = CHECKSUM_NONE;
2943 if (bp->rx_csum &&
2944 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2945 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2946
ade2bfe7
MC		 2947 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2948 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
b6016b76
MC		 2949 skb->ip_summed = CHECKSUM_UNNECESSARY;
2950 }
2951
2952#ifdef BCM_VLAN
79ea13ce 2953 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
b6016b76
MC		 2954 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2955 rx_hdr->l2_fhdr_vlan_tag);
2956 }
2957 else
2958#endif
2959 netif_receive_skb(skb);
2960
2961 bp->dev->last_rx = jiffies;
2962 rx_pkt++;
2963
2964next_rx:
b6016b76
MC		 2965 sw_cons = NEXT_RX_BD(sw_cons);
2966 sw_prod = NEXT_RX_BD(sw_prod);
2967
2968 if ((rx_pkt == budget))
2969 break;
f4e418f7
MC		 2970
2971 /* Refresh hw_cons to see if there is new work */
2972 if (sw_cons == hw_cons) {
35efa7c1 2973 hw_cons = bnx2_get_hw_rx_cons(bnapi);
f4e418f7
MC		 2974 rmb();
2975 }
b6016b76 2976 }
bb4f98ab
MC		 2977 rxr->rx_cons = sw_cons;
2978 rxr->rx_prod = sw_prod;
b6016b76 2979
1db82f2a 2980 if (pg_ring_used)
bb4f98ab 2981 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
1db82f2a 2982
bb4f98ab 2983 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
b6016b76 2984
bb4f98ab 2985 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC		 2986
2987 mmiowb();
2988
2989 return rx_pkt;
2990
2991}
2992
2993/* MSI ISR - The only difference between this and the INTx ISR
2994 * is that the MSI interrupt is always serviced.
2995 */
2996static irqreturn_t
7d12e780 2997bnx2_msi(int irq, void *dev_instance)
b6016b76 2998{
f0ea2e63
MC		 2999 struct bnx2_napi *bnapi = dev_instance;
3000 struct bnx2 *bp = bnapi->bp;
3001 struct net_device *dev = bp->dev;
b6016b76 3002
43e80b89 3003 prefetch(bnapi->status_blk.msi);
b6016b76
MC		 3004 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3005 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3006 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3007
3008 /* Return here if interrupt is disabled. */
73eef4cd
MC		 3009 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3010 return IRQ_HANDLED;
b6016b76 3011
35efa7c1 3012 netif_rx_schedule(dev, &bnapi->napi);
b6016b76 3013
73eef4cd 3014 return IRQ_HANDLED;
b6016b76
MC		 3015}
3016
8e6a72c4
MC		 3017static irqreturn_t
3018bnx2_msi_1shot(int irq, void *dev_instance)
3019{
f0ea2e63
MC		 3020 struct bnx2_napi *bnapi = dev_instance;
3021 struct bnx2 *bp = bnapi->bp;
3022 struct net_device *dev = bp->dev;
8e6a72c4 3023
43e80b89 3024 prefetch(bnapi->status_blk.msi);
8e6a72c4
MC		 3025
3026 /* Return here if interrupt is disabled. */
3027 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3028 return IRQ_HANDLED;
3029
35efa7c1 3030 netif_rx_schedule(dev, &bnapi->napi);
8e6a72c4
MC		 3031
3032 return IRQ_HANDLED;
3033}
3034
b6016b76 3035static irqreturn_t
7d12e780 3036bnx2_interrupt(int irq, void *dev_instance)
b6016b76 3037{
f0ea2e63
MC		 3038 struct bnx2_napi *bnapi = dev_instance;
3039 struct bnx2 *bp = bnapi->bp;
3040 struct net_device *dev = bp->dev;
43e80b89 3041 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76
MC		 3042
3043 /* When using INTx, it is possible for the interrupt to arrive
3044 * at the CPU before the status block posted prior to the
3045 * interrupt. Reading a register will flush the status block.
3046 * When using MSI, the MSI message will always complete after
3047 * the status block write.
3048 */
35efa7c1 3049 if ((sblk->status_idx == bnapi->last_status_idx) &&
b6016b76
MC		 3050 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3051 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
73eef4cd 3052 return IRQ_NONE;
b6016b76
MC		 3053
3054 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3055 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3056 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3057
b8a7ce7b
MC		 3058 /* Read back to deassert IRQ immediately to avoid too many
3059 * spurious interrupts.
3060 */
3061 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3062
b6016b76 3063 /* Return here if interrupt is shared and is disabled. */
73eef4cd
MC		 3064 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3065 return IRQ_HANDLED;
b6016b76 3066
35efa7c1
MC		 3067 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3068 bnapi->last_status_idx = sblk->status_idx;
3069 __netif_rx_schedule(dev, &bnapi->napi);
b8a7ce7b 3070 }
b6016b76 3071
73eef4cd 3072 return IRQ_HANDLED;
b6016b76
MC		 3073}
3074
f4e418f7 3075static inline int
43e80b89 3076bnx2_has_fast_work(struct bnx2_napi *bnapi)
f4e418f7 3077{
35e9010b 3078 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 3079 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
f4e418f7 3080
bb4f98ab 3081 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
35e9010b 3082 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
f4e418f7 3083 return 1;
43e80b89
MC		 3084 return 0;
3085}
3086
3087#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3088 STATUS_ATTN_BITS_TIMER_ABORT)
3089
3090static inline int
3091bnx2_has_work(struct bnx2_napi *bnapi)
3092{
3093 struct status_block *sblk = bnapi->status_blk.msi;
3094
3095 if (bnx2_has_fast_work(bnapi))
3096 return 1;
f4e418f7 3097
da3e4fbe
MC		 3098 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3099 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
f4e418f7
MC		 3100 return 1;
3101
3102 return 0;
3103}
3104
43e80b89 3105static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
b6016b76 3106{
43e80b89 3107 struct status_block *sblk = bnapi->status_blk.msi;
da3e4fbe
MC		 3108 u32 status_attn_bits = sblk->status_attn_bits;
3109 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
b6016b76 3110
da3e4fbe
MC		 3111 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3112 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
b6016b76 3113
35efa7c1 3114 bnx2_phy_int(bp, bnapi);
bf5295bb
MC		 3115
3116 /* This is needed to take care of transient status
3117 * during link changes.
3118 */
3119 REG_WR(bp, BNX2_HC_COMMAND,
3120 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3121 REG_RD(bp, BNX2_HC_COMMAND);
b6016b76 3122 }
43e80b89
MC		 3123}
3124
3125static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3126 int work_done, int budget)
3127{
3128 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3129 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76 3130
35e9010b 3131 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
57851d84 3132 bnx2_tx_int(bp, bnapi, 0);
b6016b76 3133
bb4f98ab 3134 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
35efa7c1 3135 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
6aa20a22 3136
6f535763
DM		 3137 return work_done;
3138}
3139
f0ea2e63
MC		 3140static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3141{
3142 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3143 struct bnx2 *bp = bnapi->bp;
3144 int work_done = 0;
3145 struct status_block_msix *sblk = bnapi->status_blk.msix;
3146
3147 while (1) {
3148 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3149 if (unlikely(work_done >= budget))
3150 break;
3151
3152 bnapi->last_status_idx = sblk->status_idx;
3153 /* status idx must be read before checking for more work. */
3154 rmb();
3155 if (likely(!bnx2_has_fast_work(bnapi))) {
3156
3157 netif_rx_complete(bp->dev, napi);
3158 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3159 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3160 bnapi->last_status_idx);
3161 break;
3162 }
3163 }
3164 return work_done;
3165}
3166
6f535763
DM		 3167static int bnx2_poll(struct napi_struct *napi, int budget)
3168{
35efa7c1
MC		 3169 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3170 struct bnx2 *bp = bnapi->bp;
6f535763 3171 int work_done = 0;
43e80b89 3172 struct status_block *sblk = bnapi->status_blk.msi;
6f535763
DM		 3173
3174 while (1) {
43e80b89
MC		 3175 bnx2_poll_link(bp, bnapi);
3176
35efa7c1 3177 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
f4e418f7 3178
6f535763
DM		 3179 if (unlikely(work_done >= budget))
3180 break;
3181
35efa7c1 3182 /* bnapi->last_status_idx is used below to tell the hw how
6dee6421
MC		 3183 * much work has been processed, so we must read it before
3184 * checking for more work.
3185 */
35efa7c1 3186 bnapi->last_status_idx = sblk->status_idx;
6dee6421 3187 rmb();
35efa7c1 3188 if (likely(!bnx2_has_work(bnapi))) {
6f535763 3189 netif_rx_complete(bp->dev, napi);
f86e82fb 3190 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
6f535763
DM		 3191 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3192 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
35efa7c1 3193 bnapi->last_status_idx);
6dee6421 3194 break;
6f535763 3195 }
1269a8a6
MC		 3196 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3197 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
6f535763 3198 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
35efa7c1 3199 bnapi->last_status_idx);
1269a8a6 3200
6f535763
DM		 3201 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3202 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
35efa7c1 3203 bnapi->last_status_idx);
6f535763
DM		 3204 break;
3205 }
b6016b76
MC		 3206 }
3207
bea3348e 3208 return work_done;
b6016b76
MC		 3209}
3210
932ff279 3211/* Called with rtnl_lock from vlan functions and also netif_tx_lock
b6016b76
MC		 3212 * from set_multicast.
3213 */
3214static void
3215bnx2_set_rx_mode(struct net_device *dev)
3216{
972ec0d4 3217 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 3218 u32 rx_mode, sort_mode;
3219 int i;
b6016b76 3220
c770a65c 3221 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 3222
3223 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3224 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3225 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3226#ifdef BCM_VLAN
f86e82fb 3227 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
b6016b76 3228 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76 3229#else
f86e82fb 3230 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
e29054f9 3231 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76
MC		 3232#endif
3233 if (dev->flags & IFF_PROMISC) {
3234 /* Promiscuous mode. */
3235 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
7510873d
MC		 3236 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3237 BNX2_RPM_SORT_USER0_PROM_VLAN;
b6016b76
MC		 3238 }
3239 else if (dev->flags & IFF_ALLMULTI) {
3240 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3241 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3242 0xffffffff);
3243 }
3244 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3245 }
3246 else {
3247 /* Accept one or more multicast(s). */
3248 struct dev_mc_list *mclist;
3249 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3250 u32 regidx;
3251 u32 bit;
3252 u32 crc;
3253
3254 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3255
3256 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3257 i++, mclist = mclist->next) {
3258
3259 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3260 bit = crc & 0xff;
3261 regidx = (bit & 0xe0) >> 5;
3262 bit &= 0x1f;
3263 mc_filter[regidx] |= (1 << bit);
3264 }
3265
3266 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3267 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3268 mc_filter[i]);
3269 }
3270
3271 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3272 }
3273
3274 if (rx_mode != bp->rx_mode) {
3275 bp->rx_mode = rx_mode;
3276 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3277 }
3278
3279 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3280 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3281 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3282
c770a65c 3283 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 3284}
3285
3286static void
b491edd5 3287load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
b6016b76
MC		 3288 u32 rv2p_proc)
3289{
3290 int i;
3291 u32 val;
3292
d25be1d3
MC		 3293 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3294 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3295 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3296 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3297 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3298 }
b6016b76
MC		 3299
3300 for (i = 0; i < rv2p_code_len; i += 8) {
b491edd5 3301 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
b6016b76 3302 rv2p_code++;
b491edd5 3303 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
b6016b76
MC		 3304 rv2p_code++;
3305
3306 if (rv2p_proc == RV2P_PROC1) {
3307 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3308 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3309 }
3310 else {
3311 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3312 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3313 }
3314 }
3315
3316 /* Reset the processor, un-stall is done later. */
3317 if (rv2p_proc == RV2P_PROC1) {
3318 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3319 }
3320 else {
3321 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3322 }
3323}
3324
af3ee519 3325static int
10343cca 3326load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
b6016b76
MC		 3327{
3328 u32 offset;
3329 u32 val;
af3ee519 3330 int rc;
b6016b76
MC		 3331
3332 /* Halt the CPU. */
2726d6e1 3333 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3334 val |= cpu_reg->mode_value_halt;
2726d6e1
MC		 3335 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3336 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
b6016b76
MC		 3337
3338 /* Load the Text area. */
3339 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
af3ee519 3340 if (fw->gz_text) {
b6016b76
MC		 3341 int j;
3342
ea1f8d5c
MC		 3343 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3344 fw->gz_text_len);
3345 if (rc < 0)
b3448b0b 3346 return rc;
ea1f8d5c 3347
b6016b76 3348 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2726d6e1 3349 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
b6016b76
MC		 3350 }
3351 }
3352
3353 /* Load the Data area. */
3354 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3355 if (fw->data) {
3356 int j;
3357
3358 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2726d6e1 3359 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
b6016b76
MC		 3360 }
3361 }
3362
3363 /* Load the SBSS area. */
3364 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
ea1f8d5c 3365 if (fw->sbss_len) {
b6016b76
MC		 3366 int j;
3367
3368 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2726d6e1 3369 bnx2_reg_wr_ind(bp, offset, 0);
b6016b76
MC		 3370 }
3371 }
3372
3373 /* Load the BSS area. */
3374 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
ea1f8d5c 3375 if (fw->bss_len) {
b6016b76
MC		 3376 int j;
3377
3378 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2726d6e1 3379 bnx2_reg_wr_ind(bp, offset, 0);
b6016b76
MC		 3380 }
3381 }
3382
3383 /* Load the Read-Only area. */
3384 offset = cpu_reg->spad_base +
3385 (fw->rodata_addr - cpu_reg->mips_view_base);
3386 if (fw->rodata) {
3387 int j;
3388
3389 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2726d6e1 3390 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
b6016b76
MC		 3391 }
3392 }
3393
3394 /* Clear the pre-fetch instruction. */
2726d6e1
MC		 3395 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3396 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
b6016b76
MC		 3397
3398 /* Start the CPU. */
2726d6e1 3399 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3400 val &= ~cpu_reg->mode_value_halt;
2726d6e1
MC		 3401 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3402 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
af3ee519
MC		 3403
3404 return 0;
b6016b76
MC		 3405}
3406
fba9fe91 3407static int
b6016b76
MC		 3408bnx2_init_cpus(struct bnx2 *bp)
3409{
af3ee519 3410 struct fw_info *fw;
110d0ef9
MC		 3411 int rc, rv2p_len;
3412 void *text, *rv2p;
b6016b76
MC		 3413
3414 /* Initialize the RV2P processor. */
b3448b0b
DV		 3415 text = vmalloc(FW_BUF_SIZE);
3416 if (!text)
3417 return -ENOMEM;
110d0ef9
MC		 3418 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3419 rv2p = bnx2_xi_rv2p_proc1;
3420 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3421 } else {
3422 rv2p = bnx2_rv2p_proc1;
3423 rv2p_len = sizeof(bnx2_rv2p_proc1);
3424 }
3425 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
ea1f8d5c 3426 if (rc < 0)
fba9fe91 3427 goto init_cpu_err;
ea1f8d5c 3428
b3448b0b 3429 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
fba9fe91 3430
110d0ef9
MC		 3431 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3432 rv2p = bnx2_xi_rv2p_proc2;
3433 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3434 } else {
3435 rv2p = bnx2_rv2p_proc2;
3436 rv2p_len = sizeof(bnx2_rv2p_proc2);
3437 }
3438 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
ea1f8d5c 3439 if (rc < 0)
fba9fe91 3440 goto init_cpu_err;
ea1f8d5c 3441
b3448b0b 3442 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
b6016b76
MC		 3443
3444 /* Initialize the RX Processor. */
d43584c8
MC		 3445 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3446 fw = &bnx2_rxp_fw_09;
3447 else
3448 fw = &bnx2_rxp_fw_06;
fba9fe91 3449
ea1f8d5c 3450 fw->text = text;
10343cca 3451 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
fba9fe91
MC		 3452 if (rc)
3453 goto init_cpu_err;
3454
b6016b76 3455 /* Initialize the TX Processor. */
d43584c8
MC		 3456 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3457 fw = &bnx2_txp_fw_09;
3458 else
3459 fw = &bnx2_txp_fw_06;
fba9fe91 3460
ea1f8d5c 3461 fw->text = text;
10343cca 3462 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
fba9fe91
MC		 3463 if (rc)
3464 goto init_cpu_err;
3465
b6016b76 3466 /* Initialize the TX Patch-up Processor. */
d43584c8
MC		 3467 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3468 fw = &bnx2_tpat_fw_09;
3469 else
3470 fw = &bnx2_tpat_fw_06;
fba9fe91 3471
ea1f8d5c 3472 fw->text = text;
10343cca 3473 rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
fba9fe91
MC		 3474 if (rc)
3475 goto init_cpu_err;
3476
b6016b76 3477 /* Initialize the Completion Processor. */
d43584c8
MC		 3478 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3479 fw = &bnx2_com_fw_09;
3480 else
3481 fw = &bnx2_com_fw_06;
fba9fe91 3482
ea1f8d5c 3483 fw->text = text;
10343cca 3484 rc = load_cpu_fw(bp, &cpu_reg_com, fw);
fba9fe91
MC		 3485 if (rc)
3486 goto init_cpu_err;
3487
d43584c8 3488 /* Initialize the Command Processor. */
110d0ef9 3489 if (CHIP_NUM(bp) == CHIP_NUM_5709)
d43584c8 3490 fw = &bnx2_cp_fw_09;
110d0ef9
MC		 3491 else
3492 fw = &bnx2_cp_fw_06;
3493
3494 fw->text = text;
10343cca 3495 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
b6016b76 3496
fba9fe91 3497init_cpu_err:
ea1f8d5c 3498 vfree(text);
fba9fe91 3499 return rc;
b6016b76
MC		 3500}
3501
3502static int
829ca9a3 3503bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
b6016b76
MC		 3504{
3505 u16 pmcsr;
3506
3507 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3508
3509 switch (state) {
829ca9a3 3510 case PCI_D0: {
b6016b76
MC		 3511 u32 val;
3512
3513 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3514 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3515 PCI_PM_CTRL_PME_STATUS);
3516
3517 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3518 /* delay required during transition out of D3hot */
3519 msleep(20);
3520
3521 val = REG_RD(bp, BNX2_EMAC_MODE);
3522 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3523 val &= ~BNX2_EMAC_MODE_MPKT;
3524 REG_WR(bp, BNX2_EMAC_MODE, val);
3525
3526 val = REG_RD(bp, BNX2_RPM_CONFIG);
3527 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3528 REG_WR(bp, BNX2_RPM_CONFIG, val);
3529 break;
3530 }
829ca9a3 3531 case PCI_D3hot: {
b6016b76
MC		 3532 int i;
3533 u32 val, wol_msg;
3534
3535 if (bp->wol) {
3536 u32 advertising;
3537 u8 autoneg;
3538
3539 autoneg = bp->autoneg;
3540 advertising = bp->advertising;
3541
239cd343
MC		 3542 if (bp->phy_port == PORT_TP) {
3543 bp->autoneg = AUTONEG_SPEED;
3544 bp->advertising = ADVERTISED_10baseT_Half |
3545 ADVERTISED_10baseT_Full |
3546 ADVERTISED_100baseT_Half |
3547 ADVERTISED_100baseT_Full |
3548 ADVERTISED_Autoneg;
3549 }
b6016b76 3550
239cd343
MC		 3551 spin_lock_bh(&bp->phy_lock);
3552 bnx2_setup_phy(bp, bp->phy_port);
3553 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 3554
3555 bp->autoneg = autoneg;
3556 bp->advertising = advertising;
3557
3558 bnx2_set_mac_addr(bp);
3559
3560 val = REG_RD(bp, BNX2_EMAC_MODE);
3561
3562 /* Enable port mode. */
3563 val &= ~BNX2_EMAC_MODE_PORT;
239cd343 3564 val |= BNX2_EMAC_MODE_MPKT_RCVD |
b6016b76 3565 BNX2_EMAC_MODE_ACPI_RCVD |
b6016b76 3566 BNX2_EMAC_MODE_MPKT;
239cd343
MC		 3567 if (bp->phy_port == PORT_TP)
3568 val |= BNX2_EMAC_MODE_PORT_MII;
3569 else {
3570 val |= BNX2_EMAC_MODE_PORT_GMII;
3571 if (bp->line_speed == SPEED_2500)
3572 val |= BNX2_EMAC_MODE_25G_MODE;
3573 }
b6016b76
MC		 3574
3575 REG_WR(bp, BNX2_EMAC_MODE, val);
3576
3577 /* receive all multicast */
3578 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3579 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3580 0xffffffff);
3581 }
3582 REG_WR(bp, BNX2_EMAC_RX_MODE,
3583 BNX2_EMAC_RX_MODE_SORT_MODE);
3584
3585 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3586 BNX2_RPM_SORT_USER0_MC_EN;
3587 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3588 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3589 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3590 BNX2_RPM_SORT_USER0_ENA);
3591
3592 /* Need to enable EMAC and RPM for WOL. */
3593 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3594 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3595 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3596 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3597
3598 val = REG_RD(bp, BNX2_RPM_CONFIG);
3599 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3600 REG_WR(bp, BNX2_RPM_CONFIG, val);
3601
3602 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3603 }
3604 else {
3605 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3606 }
3607
f86e82fb 3608 if (!(bp->flags & BNX2_FLAG_NO_WOL))
dda1e390 3609 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
b6016b76
MC		 3610
3611 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3612 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3613 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3614
3615 if (bp->wol)
3616 pmcsr |= 3;
3617 }
3618 else {
3619 pmcsr |= 3;
3620 }
3621 if (bp->wol) {
3622 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3623 }
3624 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3625 pmcsr);
3626
3627 /* No more memory access after this point until
3628 * device is brought back to D0.
3629 */
3630 udelay(50);
3631 break;
3632 }
3633 default:
3634 return -EINVAL;
3635 }
3636 return 0;
3637}
3638
3639static int
3640bnx2_acquire_nvram_lock(struct bnx2 *bp)
3641{
3642 u32 val;
3643 int j;
3644
3645 /* Request access to the flash interface. */
3646 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3647 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3648 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3649 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3650 break;
3651
3652 udelay(5);
3653 }
3654
3655 if (j >= NVRAM_TIMEOUT_COUNT)
3656 return -EBUSY;
3657
3658 return 0;
3659}
3660
3661static int
3662bnx2_release_nvram_lock(struct bnx2 *bp)
3663{
3664 int j;
3665 u32 val;
3666
3667 /* Relinquish nvram interface. */
3668 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3669
3670 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3671 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3672 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3673 break;
3674
3675 udelay(5);
3676 }
3677
3678 if (j >= NVRAM_TIMEOUT_COUNT)
3679 return -EBUSY;
3680
3681 return 0;
3682}
3683
3684
3685static int
3686bnx2_enable_nvram_write(struct bnx2 *bp)
3687{
3688 u32 val;
3689
3690 val = REG_RD(bp, BNX2_MISC_CFG);
3691 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3692
e30372c9 3693 if (bp->flash_info->flags & BNX2_NV_WREN) {
b6016b76
MC		 3694 int j;
3695
3696 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3697 REG_WR(bp, BNX2_NVM_COMMAND,
3698 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3699
3700 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3701 udelay(5);
3702
3703 val = REG_RD(bp, BNX2_NVM_COMMAND);
3704 if (val & BNX2_NVM_COMMAND_DONE)
3705 break;
3706 }
3707
3708 if (j >= NVRAM_TIMEOUT_COUNT)
3709 return -EBUSY;
3710 }
3711 return 0;
3712}
3713
3714static void
3715bnx2_disable_nvram_write(struct bnx2 *bp)
3716{
3717 u32 val;
3718
3719 val = REG_RD(bp, BNX2_MISC_CFG);
3720 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3721}
3722
3723
3724static void
3725bnx2_enable_nvram_access(struct bnx2 *bp)
3726{
3727 u32 val;
3728
3729 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3730 /* Enable both bits, even on read. */
6aa20a22 3731 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC		 3732 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3733}
3734
3735static void
3736bnx2_disable_nvram_access(struct bnx2 *bp)
3737{
3738 u32 val;
3739
3740 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3741 /* Disable both bits, even after read. */
6aa20a22 3742 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC		 3743 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3744 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3745}
3746
3747static int
3748bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3749{
3750 u32 cmd;
3751 int j;
3752
e30372c9 3753 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
b6016b76
MC		 3754 /* Buffered flash, no erase needed */
3755 return 0;
3756
3757 /* Build an erase command */
3758 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3759 BNX2_NVM_COMMAND_DOIT;
3760
3761 /* Need to clear DONE bit separately. */
3762 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3763
3764 /* Address of the NVRAM to read from. */
3765 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3766
3767 /* Issue an erase command. */
3768 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3769
3770 /* Wait for completion. */
3771 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3772 u32 val;
3773
3774 udelay(5);
3775
3776 val = REG_RD(bp, BNX2_NVM_COMMAND);
3777 if (val & BNX2_NVM_COMMAND_DONE)
3778 break;
3779 }
3780
3781 if (j >= NVRAM_TIMEOUT_COUNT)
3782 return -EBUSY;
3783
3784 return 0;
3785}
3786
3787static int
3788bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3789{
3790 u32 cmd;
3791 int j;
3792
3793 /* Build the command word. */
3794 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3795
e30372c9
MC		 3796 /* Calculate an offset of a buffered flash, not needed for 5709. */
3797 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC		 3798 offset = ((offset / bp->flash_info->page_size) <<
3799 bp->flash_info->page_bits) +
3800 (offset % bp->flash_info->page_size);
3801 }
3802
3803 /* Need to clear DONE bit separately. */
3804 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3805
3806 /* Address of the NVRAM to read from. */
3807 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3808
3809 /* Issue a read command. */
3810 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3811
3812 /* Wait for completion. */
3813 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3814 u32 val;
3815
3816 udelay(5);
3817
3818 val = REG_RD(bp, BNX2_NVM_COMMAND);
3819 if (val & BNX2_NVM_COMMAND_DONE) {
b491edd5
AV		 3820 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3821 memcpy(ret_val, &v, 4);
b6016b76
MC		 3822 break;
3823 }
3824 }
3825 if (j >= NVRAM_TIMEOUT_COUNT)
3826 return -EBUSY;
3827
3828 return 0;
3829}
3830
3831
3832static int
3833bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3834{
b491edd5
AV		 3835 u32 cmd;
3836 __be32 val32;
b6016b76
MC		 3837 int j;
3838
3839 /* Build the command word. */
3840 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3841
e30372c9
MC		 3842 /* Calculate an offset of a buffered flash, not needed for 5709. */
3843 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC		 3844 offset = ((offset / bp->flash_info->page_size) <<
3845 bp->flash_info->page_bits) +
3846 (offset % bp->flash_info->page_size);
3847 }
3848
3849 /* Need to clear DONE bit separately. */
3850 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3851
3852 memcpy(&val32, val, 4);
b6016b76
MC		 3853
3854 /* Write the data. */
b491edd5 3855 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
b6016b76
MC		 3856
3857 /* Address of the NVRAM to write to. */
3858 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3859
3860 /* Issue the write command. */
3861 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3862
3863 /* Wait for completion. */
3864 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3865 udelay(5);
3866
3867 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3868 break;
3869 }
3870 if (j >= NVRAM_TIMEOUT_COUNT)
3871 return -EBUSY;
3872
3873 return 0;
3874}
3875
3876static int
3877bnx2_init_nvram(struct bnx2 *bp)
3878{
3879 u32 val;
e30372c9 3880 int j, entry_count, rc = 0;
b6016b76
MC		 3881 struct flash_spec *flash;
3882
e30372c9
MC		 3883 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3884 bp->flash_info = &flash_5709;
3885 goto get_flash_size;
3886 }
3887
b6016b76
MC		 3888 /* Determine the selected interface. */
3889 val = REG_RD(bp, BNX2_NVM_CFG1);
3890
ff8ac609 3891 entry_count = ARRAY_SIZE(flash_table);
b6016b76 3892
b6016b76
MC		 3893 if (val & 0x40000000) {
3894
3895 /* Flash interface has been reconfigured */
3896 for (j = 0, flash = &flash_table[0]; j < entry_count;
37137709
MC		 3897 j++, flash++) {
3898 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3899 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
b6016b76
MC		 3900 bp->flash_info = flash;
3901 break;
3902 }
3903 }
3904 }
3905 else {
37137709 3906 u32 mask;
b6016b76
MC		 3907 /* Not yet been reconfigured */
3908
37137709
MC		 3909 if (val & (1 << 23))
3910 mask = FLASH_BACKUP_STRAP_MASK;
3911 else
3912 mask = FLASH_STRAP_MASK;
3913
b6016b76
MC		 3914 for (j = 0, flash = &flash_table[0]; j < entry_count;
3915 j++, flash++) {
3916
37137709 3917 if ((val & mask) == (flash->strapping & mask)) {
b6016b76
MC		 3918 bp->flash_info = flash;
3919
3920 /* Request access to the flash interface. */
3921 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3922 return rc;
3923
3924 /* Enable access to flash interface */
3925 bnx2_enable_nvram_access(bp);
3926
3927 /* Reconfigure the flash interface */
3928 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3929 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3930 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3931 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3932
3933 /* Disable access to flash interface */
3934 bnx2_disable_nvram_access(bp);
3935 bnx2_release_nvram_lock(bp);
3936
3937 break;
3938 }
3939 }
3940 } /* if (val & 0x40000000) */
3941
3942 if (j == entry_count) {
3943 bp->flash_info = NULL;
2f23c523 3944 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
1122db71 3945 return -ENODEV;
b6016b76
MC		 3946 }
3947
e30372c9 3948get_flash_size:
2726d6e1 3949 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
1122db71
MC		 3950 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3951 if (val)
3952 bp->flash_size = val;
3953 else
3954 bp->flash_size = bp->flash_info->total_size;
3955
b6016b76
MC		 3956 return rc;
3957}
3958
3959static int
3960bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3961 int buf_size)
3962{
3963 int rc = 0;
3964 u32 cmd_flags, offset32, len32, extra;
3965
3966 if (buf_size == 0)
3967 return 0;
3968
3969 /* Request access to the flash interface. */
3970 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3971 return rc;
3972
3973 /* Enable access to flash interface */
3974 bnx2_enable_nvram_access(bp);
3975
3976 len32 = buf_size;
3977 offset32 = offset;
3978 extra = 0;
3979
3980 cmd_flags = 0;
3981
3982 if (offset32 & 3) {
3983 u8 buf[4];
3984 u32 pre_len;
3985
3986 offset32 &= ~3;
3987 pre_len = 4 - (offset & 3);
3988
3989 if (pre_len >= len32) {
3990 pre_len = len32;
3991 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3992 BNX2_NVM_COMMAND_LAST;
3993 }
3994 else {
3995 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3996 }
3997
3998 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3999
4000 if (rc)
4001 return rc;
4002
4003 memcpy(ret_buf, buf + (offset & 3), pre_len);
4004
4005 offset32 += 4;
4006 ret_buf += pre_len;
4007 len32 -= pre_len;
4008 }
4009 if (len32 & 3) {
4010 extra = 4 - (len32 & 3);
4011 len32 = (len32 + 4) & ~3;
4012 }
4013
4014 if (len32 == 4) {
4015 u8 buf[4];
4016
4017 if (cmd_flags)
4018 cmd_flags = BNX2_NVM_COMMAND_LAST;
4019 else
4020 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4021 BNX2_NVM_COMMAND_LAST;
4022
4023 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4024
4025 memcpy(ret_buf, buf, 4 - extra);
4026 }
4027 else if (len32 > 0) {
4028 u8 buf[4];
4029
4030 /* Read the first word. */
4031 if (cmd_flags)
4032 cmd_flags = 0;
4033 else
4034 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4035
4036 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4037
4038 /* Advance to the next dword. */
4039 offset32 += 4;
4040 ret_buf += 4;
4041 len32 -= 4;
4042
4043 while (len32 > 4 && rc == 0) {
4044 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4045
4046 /* Advance to the next dword. */
4047 offset32 += 4;
4048 ret_buf += 4;
4049 len32 -= 4;
4050 }
4051
4052 if (rc)
4053 return rc;
4054
4055 cmd_flags = BNX2_NVM_COMMAND_LAST;
4056 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4057
4058 memcpy(ret_buf, buf, 4 - extra);
4059 }
4060
4061 /* Disable access to flash interface */
4062 bnx2_disable_nvram_access(bp);
4063
4064 bnx2_release_nvram_lock(bp);
4065
4066 return rc;
4067}
4068
4069static int
4070bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4071 int buf_size)
4072{
4073 u32 written, offset32, len32;
e6be763f 4074 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
b6016b76
MC		 4075 int rc = 0;
4076 int align_start, align_end;
4077
4078 buf = data_buf;
4079 offset32 = offset;
4080 len32 = buf_size;
4081 align_start = align_end = 0;
4082
4083 if ((align_start = (offset32 & 3))) {
4084 offset32 &= ~3;
c873879c
MC		 4085 len32 += align_start;
4086 if (len32 < 4)
4087 len32 = 4;
b6016b76
MC		 4088 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4089 return rc;
4090 }
4091
4092 if (len32 & 3) {
c873879c
MC		 4093 align_end = 4 - (len32 & 3);
4094 len32 += align_end;
4095 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4096 return rc;
b6016b76
MC		 4097 }
4098
4099 if (align_start || align_end) {
e6be763f
MC		 4100 align_buf = kmalloc(len32, GFP_KERNEL);
4101 if (align_buf == NULL)
b6016b76
MC		 4102 return -ENOMEM;
4103 if (align_start) {
e6be763f 4104 memcpy(align_buf, start, 4);
b6016b76
MC		 4105 }
4106 if (align_end) {
e6be763f 4107 memcpy(align_buf + len32 - 4, end, 4);
b6016b76 4108 }
e6be763f
MC		 4109 memcpy(align_buf + align_start, data_buf, buf_size);
4110 buf = align_buf;
b6016b76
MC		 4111 }
4112
e30372c9 4113 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
ae181bc4
MC		 4114 flash_buffer = kmalloc(264, GFP_KERNEL);
4115 if (flash_buffer == NULL) {
4116 rc = -ENOMEM;
4117 goto nvram_write_end;
4118 }
4119 }
4120
b6016b76
MC		 4121 written = 0;
4122 while ((written < len32) && (rc == 0)) {
4123 u32 page_start, page_end, data_start, data_end;
4124 u32 addr, cmd_flags;
4125 int i;
b6016b76
MC		 4126
4127 /* Find the page_start addr */
4128 page_start = offset32 + written;
4129 page_start -= (page_start % bp->flash_info->page_size);
4130 /* Find the page_end addr */
4131 page_end = page_start + bp->flash_info->page_size;
4132 /* Find the data_start addr */
4133 data_start = (written == 0) ? offset32 : page_start;
4134 /* Find the data_end addr */
6aa20a22 4135 data_end = (page_end > offset32 + len32) ?
b6016b76
MC		 4136 (offset32 + len32) : page_end;
4137
4138 /* Request access to the flash interface. */
4139 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4140 goto nvram_write_end;
4141
4142 /* Enable access to flash interface */
4143 bnx2_enable_nvram_access(bp);
4144
4145 cmd_flags = BNX2_NVM_COMMAND_FIRST;
e30372c9 4146 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC		 4147 int j;
4148
4149 /* Read the whole page into the buffer
4150 * (non-buffer flash only) */
4151 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4152 if (j == (bp->flash_info->page_size - 4)) {
4153 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4154 }
4155 rc = bnx2_nvram_read_dword(bp,
6aa20a22
JG		 4156 page_start + j,
4157 &flash_buffer[j],
b6016b76
MC		 4158 cmd_flags);
4159
4160 if (rc)
4161 goto nvram_write_end;
4162
4163 cmd_flags = 0;
4164 }
4165 }
4166
4167 /* Enable writes to flash interface (unlock write-protect) */
4168 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4169 goto nvram_write_end;
4170
b6016b76
MC		 4171 /* Loop to write back the buffer data from page_start to
4172 * data_start */
4173 i = 0;
e30372c9 4174 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
c873879c
MC		 4175 /* Erase the page */
4176 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4177 goto nvram_write_end;
4178
4179 /* Re-enable the write again for the actual write */
4180 bnx2_enable_nvram_write(bp);
4181
b6016b76
MC		 4182 for (addr = page_start; addr < data_start;
4183 addr += 4, i += 4) {
6aa20a22 4184
b6016b76
MC		 4185 rc = bnx2_nvram_write_dword(bp, addr,
4186 &flash_buffer[i], cmd_flags);
4187
4188 if (rc != 0)
4189 goto nvram_write_end;
4190
4191 cmd_flags = 0;
4192 }
4193 }
4194
4195 /* Loop to write the new data from data_start to data_end */
bae25761 4196 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
b6016b76 4197 if ((addr == page_end - 4) ||
e30372c9 4198 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
b6016b76
MC		 4199 (addr == data_end - 4))) {
4200
4201 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4202 }
4203 rc = bnx2_nvram_write_dword(bp, addr, buf,
4204 cmd_flags);
4205
4206 if (rc != 0)
4207 goto nvram_write_end;
4208
4209 cmd_flags = 0;
4210 buf += 4;
4211 }
4212
4213 /* Loop to write back the buffer data from data_end
4214 * to page_end */
e30372c9 4215 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC		 4216 for (addr = data_end; addr < page_end;
4217 addr += 4, i += 4) {
6aa20a22 4218
b6016b76
MC		 4219 if (addr == page_end-4) {
4220 cmd_flags = BNX2_NVM_COMMAND_LAST;
4221 }
4222 rc = bnx2_nvram_write_dword(bp, addr,
4223 &flash_buffer[i], cmd_flags);
4224
4225 if (rc != 0)
4226 goto nvram_write_end;
4227
4228 cmd_flags = 0;
4229 }
4230 }
4231
4232 /* Disable writes to flash interface (lock write-protect) */
4233 bnx2_disable_nvram_write(bp);
4234
4235 /* Disable access to flash interface */
4236 bnx2_disable_nvram_access(bp);
4237 bnx2_release_nvram_lock(bp);
4238
4239 /* Increment written */
4240 written += data_end - data_start;
4241 }
4242
4243nvram_write_end:
e6be763f
MC		 4244 kfree(flash_buffer);
4245 kfree(align_buf);
b6016b76
MC		 4246 return rc;
4247}
4248
0d8a6571
MC		 4249static void
4250bnx2_init_remote_phy(struct bnx2 *bp)
4251{
4252 u32 val;
4253
583c28e5
MC		 4254 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4255 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
0d8a6571
MC		 4256 return;
4257
2726d6e1 4258 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
0d8a6571
MC		 4259 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4260 return;
4261
4262 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
583c28e5 4263 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
0d8a6571 4264
2726d6e1 4265 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
0d8a6571
MC		 4266 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4267 bp->phy_port = PORT_FIBRE;
4268 else
4269 bp->phy_port = PORT_TP;
489310a4
MC		 4270
4271 if (netif_running(bp->dev)) {
4272 u32 sig;
4273
489310a4
MC		 4274 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4275 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
2726d6e1 4276 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
489310a4 4277 }
0d8a6571
MC		 4278 }
4279}
4280
b4b36042
MC		 4281static void
4282bnx2_setup_msix_tbl(struct bnx2 *bp)
4283{
4284 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4285
4286 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4287 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4288}
4289
b6016b76
MC		 4290static int
4291bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4292{
4293 u32 val;
4294 int i, rc = 0;
489310a4 4295 u8 old_port;
b6016b76
MC		 4296
4297 /* Wait for the current PCI transaction to complete before
4298 * issuing a reset. */
4299 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4300 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4301 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4302 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4303 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4304 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4305 udelay(5);
4306
b090ae2b
MC		 4307 /* Wait for the firmware to tell us it is ok to issue a reset. */
4308 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4309
b6016b76
MC		 4310 /* Deposit a driver reset signature so the firmware knows that
4311 * this is a soft reset. */
2726d6e1
MC		 4312 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4313 BNX2_DRV_RESET_SIGNATURE_MAGIC);
b6016b76 4314
b6016b76
MC		 4315 /* Do a dummy read to force the chip to complete all current transaction
4316 * before we issue a reset. */
4317 val = REG_RD(bp, BNX2_MISC_ID);
4318
234754d5
MC		 4319 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4320 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4321 REG_RD(bp, BNX2_MISC_COMMAND);
4322 udelay(5);
b6016b76 4323
234754d5
MC		 4324 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4325 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
b6016b76 4326
234754d5 4327 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
b6016b76 4328
234754d5
MC		 4329 } else {
4330 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4331 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4332 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4333
4334 /* Chip reset. */
4335 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4336
594a9dfa
MC		 4337 /* Reading back any register after chip reset will hang the
4338 * bus on 5706 A0 and A1. The msleep below provides plenty
4339 * of margin for write posting.
4340 */
234754d5 4341 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
8e545881
AV		 4342 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4343 msleep(20);
b6016b76 4344
234754d5
MC		 4345 /* Reset takes approximate 30 usec */
4346 for (i = 0; i < 10; i++) {
4347 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4348 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4349 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4350 break;
4351 udelay(10);
4352 }
4353
4354 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4355 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4356 printk(KERN_ERR PFX "Chip reset did not complete\n");
4357 return -EBUSY;
4358 }
b6016b76
MC		 4359 }
4360
4361 /* Make sure byte swapping is properly configured. */
4362 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4363 if (val != 0x01020304) {
4364 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4365 return -ENODEV;
4366 }
4367
b6016b76 4368 /* Wait for the firmware to finish its initialization. */
b090ae2b
MC		 4369 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4370 if (rc)
4371 return rc;
b6016b76 4372
0d8a6571 4373 spin_lock_bh(&bp->phy_lock);
489310a4 4374 old_port = bp->phy_port;
0d8a6571 4375 bnx2_init_remote_phy(bp);
583c28e5
MC		 4376 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4377 old_port != bp->phy_port)
0d8a6571
MC		 4378 bnx2_set_default_remote_link(bp);
4379 spin_unlock_bh(&bp->phy_lock);
4380
b6016b76
MC		 4381 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4382 /* Adjust the voltage regular to two steps lower. The default
4383 * of this register is 0x0000000e. */
4384 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4385
4386 /* Remove bad rbuf memory from the free pool. */
4387 rc = bnx2_alloc_bad_rbuf(bp);
4388 }
4389
f86e82fb 4390 if (bp->flags & BNX2_FLAG_USING_MSIX)
b4b36042
MC		 4391 bnx2_setup_msix_tbl(bp);
4392
b6016b76
MC		 4393 return rc;
4394}
4395
4396static int
4397bnx2_init_chip(struct bnx2 *bp)
4398{
4399 u32 val;
b4b36042 4400 int rc, i;
b6016b76
MC		 4401
4402 /* Make sure the interrupt is not active. */
4403 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4404
4405 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4406 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4407#ifdef __BIG_ENDIAN
6aa20a22 4408 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
b6016b76 4409#endif
6aa20a22 4410 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
b6016b76
MC		 4411 DMA_READ_CHANS << 12 |
4412 DMA_WRITE_CHANS << 16;
4413
4414 val |= (0x2 << 20) | (1 << 11);
4415
f86e82fb 4416 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
b6016b76
MC		 4417 val |= (1 << 23);
4418
4419 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
f86e82fb 4420 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
b6016b76
MC		 4421 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4422
4423 REG_WR(bp, BNX2_DMA_CONFIG, val);
4424
4425 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4426 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4427 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4428 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4429 }
4430
f86e82fb 4431 if (bp->flags & BNX2_FLAG_PCIX) {
b6016b76
MC		 4432 u16 val16;
4433
4434 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4435 &val16);
4436 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4437 val16 & ~PCI_X_CMD_ERO);
4438 }
4439
4440 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4441 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4442 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4443 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4444
4445 /* Initialize context mapping and zero out the quick contexts. The
4446 * context block must have already been enabled. */
641bdcd5
MC		 4447 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4448 rc = bnx2_init_5709_context(bp);
4449 if (rc)
4450 return rc;
4451 } else
59b47d8a 4452 bnx2_init_context(bp);
b6016b76 4453
fba9fe91
MC		 4454 if ((rc = bnx2_init_cpus(bp)) != 0)
4455 return rc;
4456
b6016b76
MC		 4457 bnx2_init_nvram(bp);
4458
4459 bnx2_set_mac_addr(bp);
4460
4461 val = REG_RD(bp, BNX2_MQ_CONFIG);
4462 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4463 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
68c9f75a
MC		 4464 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4465 val |= BNX2_MQ_CONFIG_HALT_DIS;
4466
b6016b76
MC		 4467 REG_WR(bp, BNX2_MQ_CONFIG, val);
4468
4469 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4470 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4471 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4472
4473 val = (BCM_PAGE_BITS - 8) << 24;
4474 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4475
4476 /* Configure page size. */
4477 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4478 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4479 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4480 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4481
4482 val = bp->mac_addr[0] +
4483 (bp->mac_addr[1] << 8) +
4484 (bp->mac_addr[2] << 16) +
4485 bp->mac_addr[3] +
4486 (bp->mac_addr[4] << 8) +
4487 (bp->mac_addr[5] << 16);
4488 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4489
4490 /* Program the MTU. Also include 4 bytes for CRC32. */
4491 val = bp->dev->mtu + ETH_HLEN + 4;
4492 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4493 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4494 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4495
b4b36042
MC		 4496 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4497 bp->bnx2_napi[i].last_status_idx = 0;
4498
b6016b76
MC		 4499 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4500
4501 /* Set up how to generate a link change interrupt. */
4502 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4503
4504 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4505 (u64) bp->status_blk_mapping & 0xffffffff);
4506 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4507
4508 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4509 (u64) bp->stats_blk_mapping & 0xffffffff);
4510 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4511 (u64) bp->stats_blk_mapping >> 32);
4512
6aa20a22 4513 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
b6016b76
MC		 4514 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4515
4516 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4517 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4518
4519 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4520 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4521
4522 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4523
4524 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4525
4526 REG_WR(bp, BNX2_HC_COM_TICKS,
4527 (bp->com_ticks_int << 16) | bp->com_ticks);
4528
4529 REG_WR(bp, BNX2_HC_CMD_TICKS,
4530 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4531
02537b06
MC		 4532 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4533 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4534 else
7ea6920e 4535 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
b6016b76
MC		 4536 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4537
4538 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
8e6a72c4 4539 val = BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76 4540 else {
8e6a72c4
MC		 4541 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4542 BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76
MC		 4543 }
4544
5e9ad9e1 4545 if (bp->irq_nvecs > 1) {
c76c0475
MC		 4546 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4547 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4548
5e9ad9e1
MC		 4549 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4550 }
4551
4552 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4553 val |= BNX2_HC_CONFIG_ONE_SHOT;
4554
4555 REG_WR(bp, BNX2_HC_CONFIG, val);
4556
4557 for (i = 1; i < bp->irq_nvecs; i++) {
4558 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4559 BNX2_HC_SB_CONFIG_1;
4560
6f743ca0 4561 REG_WR(bp, base,
c76c0475 4562 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
5e9ad9e1 4563 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
c76c0475
MC		 4564 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4565
6f743ca0 4566 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
c76c0475
MC		 4567 (bp->tx_quick_cons_trip_int << 16) |
4568 bp->tx_quick_cons_trip);
4569
6f743ca0 4570 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
c76c0475
MC		 4571 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4572
5e9ad9e1
MC		 4573 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4574 (bp->rx_quick_cons_trip_int << 16) |
4575 bp->rx_quick_cons_trip);
8e6a72c4 4576
5e9ad9e1
MC		 4577 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4578 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4579 }
8e6a72c4 4580
b6016b76
MC		 4581 /* Clear internal stats counters. */
4582 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4583
da3e4fbe 4584 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
b6016b76
MC		 4585
4586 /* Initialize the receive filter. */
4587 bnx2_set_rx_mode(bp->dev);
4588
0aa38df7
MC		 4589 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4590 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4591 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4592 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4593 }
b090ae2b
MC		 4594 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4595 0);
b6016b76 4596
df149d70 4597 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
b6016b76
MC		 4598 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4599
4600 udelay(20);
4601
bf5295bb
MC		 4602 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4603
b090ae2b 4604 return rc;
b6016b76
MC		 4605}
4606
c76c0475
MC		 4607static void
4608bnx2_clear_ring_states(struct bnx2 *bp)
4609{
4610 struct bnx2_napi *bnapi;
35e9010b 4611 struct bnx2_tx_ring_info *txr;
bb4f98ab 4612 struct bnx2_rx_ring_info *rxr;
c76c0475
MC		 4613 int i;
4614
4615 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4616 bnapi = &bp->bnx2_napi[i];
35e9010b 4617 txr = &bnapi->tx_ring;
bb4f98ab 4618 rxr = &bnapi->rx_ring;
c76c0475 4619
35e9010b
MC		 4620 txr->tx_cons = 0;
4621 txr->hw_tx_cons = 0;
bb4f98ab
MC		 4622 rxr->rx_prod_bseq = 0;
4623 rxr->rx_prod = 0;
4624 rxr->rx_cons = 0;
4625 rxr->rx_pg_prod = 0;
4626 rxr->rx_pg_cons = 0;
c76c0475
MC		 4627 }
4628}
4629
59b47d8a 4630static void
35e9010b 4631bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
59b47d8a
MC		 4632{
4633 u32 val, offset0, offset1, offset2, offset3;
62a8313c 4634 u32 cid_addr = GET_CID_ADDR(cid);
59b47d8a
MC		 4635
4636 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4637 offset0 = BNX2_L2CTX_TYPE_XI;
4638 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4639 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4640 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4641 } else {
4642 offset0 = BNX2_L2CTX_TYPE;
4643 offset1 = BNX2_L2CTX_CMD_TYPE;
4644 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4645 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4646 }
4647 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
62a8313c 4648 bnx2_ctx_wr(bp, cid_addr, offset0, val);
59b47d8a
MC		 4649
4650 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
62a8313c 4651 bnx2_ctx_wr(bp, cid_addr, offset1, val);
59b47d8a 4652
35e9010b 4653 val = (u64) txr->tx_desc_mapping >> 32;
62a8313c 4654 bnx2_ctx_wr(bp, cid_addr, offset2, val);
59b47d8a 4655
35e9010b 4656 val = (u64) txr->tx_desc_mapping & 0xffffffff;
62a8313c 4657 bnx2_ctx_wr(bp, cid_addr, offset3, val);
59b47d8a 4658}
b6016b76
MC		 4659
4660static void
35e9010b 4661bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
b6016b76
MC		 4662{
4663 struct tx_bd *txbd;
c76c0475
MC		 4664 u32 cid = TX_CID;
4665 struct bnx2_napi *bnapi;
35e9010b 4666 struct bnx2_tx_ring_info *txr;
c76c0475 4667
35e9010b
MC		 4668 bnapi = &bp->bnx2_napi[ring_num];
4669 txr = &bnapi->tx_ring;
4670
4671 if (ring_num == 0)
4672 cid = TX_CID;
4673 else
4674 cid = TX_TSS_CID + ring_num - 1;
b6016b76 4675
2f8af120
MC		 4676 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4677
35e9010b 4678 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
6aa20a22 4679
35e9010b
MC		 4680 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4681 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
b6016b76 4682
35e9010b
MC		 4683 txr->tx_prod = 0;
4684 txr->tx_prod_bseq = 0;
6aa20a22 4685
35e9010b
MC		 4686 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4687 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
b6016b76 4688
35e9010b 4689 bnx2_init_tx_context(bp, cid, txr);
b6016b76
MC		 4690}
4691
4692static void
5d5d0015
MC		 4693bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4694 int num_rings)
b6016b76 4695{
b6016b76 4696 int i;
5d5d0015 4697 struct rx_bd *rxbd;
6aa20a22 4698
5d5d0015 4699 for (i = 0; i < num_rings; i++) {
13daffa2 4700 int j;
b6016b76 4701
5d5d0015 4702 rxbd = &rx_ring[i][0];
13daffa2 4703 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5d5d0015 4704 rxbd->rx_bd_len = buf_size;
13daffa2
MC		 4705 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4706 }
5d5d0015 4707 if (i == (num_rings - 1))
13daffa2
MC		 4708 j = 0;
4709 else
4710 j = i + 1;
5d5d0015
MC		 4711 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4712 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
13daffa2 4713 }
5d5d0015
MC		 4714}
4715
4716static void
bb4f98ab 4717bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5d5d0015
MC		 4718{
4719 int i;
4720 u16 prod, ring_prod;
bb4f98ab
MC		 4721 u32 cid, rx_cid_addr, val;
4722 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4723 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4724
4725 if (ring_num == 0)
4726 cid = RX_CID;
4727 else
4728 cid = RX_RSS_CID + ring_num - 1;
4729
4730 rx_cid_addr = GET_CID_ADDR(cid);
5d5d0015 4731
bb4f98ab 4732 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5d5d0015
MC		 4733 bp->rx_buf_use_size, bp->rx_max_ring);
4734
bb4f98ab 4735 bnx2_init_rx_context(bp, cid);
83e3fc89
MC		 4736
4737 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4738 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4739 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4740 }
4741
62a8313c 4742 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
47bf4246 4743 if (bp->rx_pg_ring_size) {
bb4f98ab
MC		 4744 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4745 rxr->rx_pg_desc_mapping,
47bf4246
MC		 4746 PAGE_SIZE, bp->rx_max_pg_ring);
4747 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
62a8313c
MC		 4748 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4749 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5e9ad9e1 4750 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
47bf4246 4751
bb4f98ab 4752 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
62a8313c 4753 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
47bf4246 4754
bb4f98ab 4755 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
62a8313c 4756 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
47bf4246
MC		 4757
4758 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4759 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4760 }
b6016b76 4761
bb4f98ab 4762 val = (u64) rxr->rx_desc_mapping[0] >> 32;
62a8313c 4763 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
b6016b76 4764
bb4f98ab 4765 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
62a8313c 4766 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
b6016b76 4767
bb4f98ab 4768 ring_prod = prod = rxr->rx_pg_prod;
47bf4246 4769 for (i = 0; i < bp->rx_pg_ring_size; i++) {
bb4f98ab 4770 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
47bf4246
MC		 4771 break;
4772 prod = NEXT_RX_BD(prod);
4773 ring_prod = RX_PG_RING_IDX(prod);
4774 }
bb4f98ab 4775 rxr->rx_pg_prod = prod;
47bf4246 4776
bb4f98ab 4777 ring_prod = prod = rxr->rx_prod;
236b6394 4778 for (i = 0; i < bp->rx_ring_size; i++) {
bb4f98ab 4779 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
b6016b76 4780 break;
b6016b76
MC		 4781 prod = NEXT_RX_BD(prod);
4782 ring_prod = RX_RING_IDX(prod);
4783 }
bb4f98ab 4784 rxr->rx_prod = prod;
b6016b76 4785
bb4f98ab
MC		 4786 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4787 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4788 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
b6016b76 4789
bb4f98ab
MC		 4790 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4791 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4792
4793 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC		 4794}
4795
35e9010b
MC		 4796static void
4797bnx2_init_all_rings(struct bnx2 *bp)
4798{
4799 int i;
5e9ad9e1 4800 u32 val;
35e9010b
MC		 4801
4802 bnx2_clear_ring_states(bp);
4803
4804 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4805 for (i = 0; i < bp->num_tx_rings; i++)
4806 bnx2_init_tx_ring(bp, i);
4807
4808 if (bp->num_tx_rings > 1)
4809 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4810 (TX_TSS_CID << 7));
4811
5e9ad9e1
MC		 4812 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4813 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4814
bb4f98ab
MC		 4815 for (i = 0; i < bp->num_rx_rings; i++)
4816 bnx2_init_rx_ring(bp, i);
5e9ad9e1
MC		 4817
4818 if (bp->num_rx_rings > 1) {
4819 u32 tbl_32;
4820 u8 *tbl = (u8 *) &tbl_32;
4821
4822 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4823 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4824
4825 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4826 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4827 if ((i % 4) == 3)
4828 bnx2_reg_wr_ind(bp,
4829 BNX2_RXP_SCRATCH_RSS_TBL + i,
4830 cpu_to_be32(tbl_32));
4831 }
4832
4833 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4834 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4835
4836 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4837
4838 }
35e9010b
MC		 4839}
4840
5d5d0015 4841static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
13daffa2 4842{
5d5d0015 4843 u32 max, num_rings = 1;
13daffa2 4844
5d5d0015
MC		 4845 while (ring_size > MAX_RX_DESC_CNT) {
4846 ring_size -= MAX_RX_DESC_CNT;
13daffa2
MC		 4847 num_rings++;
4848 }
4849 /* round to next power of 2 */
5d5d0015 4850 max = max_size;
13daffa2
MC		 4851 while ((max & num_rings) == 0)
4852 max >>= 1;
4853
4854 if (num_rings != max)
4855 max <<= 1;
4856
5d5d0015
MC		 4857 return max;
4858}
4859
4860static void
4861bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4862{
84eaa187 4863 u32 rx_size, rx_space, jumbo_size;
5d5d0015
MC		 4864
4865 /* 8 for CRC and VLAN */
d89cb6af 4866 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5d5d0015 4867
84eaa187
MC		 4868 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4869 sizeof(struct skb_shared_info);
4870
601d3d18 4871 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
47bf4246
MC		 4872 bp->rx_pg_ring_size = 0;
4873 bp->rx_max_pg_ring = 0;
4874 bp->rx_max_pg_ring_idx = 0;
f86e82fb 4875 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
84eaa187
MC		 4876 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4877
4878 jumbo_size = size * pages;
4879 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4880 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4881
4882 bp->rx_pg_ring_size = jumbo_size;
4883 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4884 MAX_RX_PG_RINGS);
4885 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
601d3d18 4886 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
84eaa187
MC		 4887 bp->rx_copy_thresh = 0;
4888 }
5d5d0015
MC		 4889
4890 bp->rx_buf_use_size = rx_size;
4891 /* hw alignment */
4892 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
d89cb6af 4893 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5d5d0015
MC		 4894 bp->rx_ring_size = size;
4895 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
13daffa2
MC		 4896 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4897}
4898
b6016b76
MC		 4899static void
4900bnx2_free_tx_skbs(struct bnx2 *bp)
4901{
4902 int i;
4903
35e9010b
MC		 4904 for (i = 0; i < bp->num_tx_rings; i++) {
4905 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4906 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
4907 int j;
b6016b76 4908
35e9010b 4909 if (txr->tx_buf_ring == NULL)
b6016b76 4910 continue;
b6016b76 4911
35e9010b
MC		 4912 for (j = 0; j < TX_DESC_CNT; ) {
4913 struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
4914 struct sk_buff *skb = tx_buf->skb;
4915 int k, last;
4916
4917 if (skb == NULL) {
4918 j++;
4919 continue;
4920 }
4921
4922 pci_unmap_single(bp->pdev,
4923 pci_unmap_addr(tx_buf, mapping),
b6016b76
MC		 4924 skb_headlen(skb), PCI_DMA_TODEVICE);
4925
35e9010b 4926 tx_buf->skb = NULL;
b6016b76 4927
35e9010b
MC		 4928 last = skb_shinfo(skb)->nr_frags;
4929 for (k = 0; k < last; k++) {
4930 tx_buf = &txr->tx_buf_ring[j + k + 1];
4931 pci_unmap_page(bp->pdev,
4932 pci_unmap_addr(tx_buf, mapping),
4933 skb_shinfo(skb)->frags[j].size,
4934 PCI_DMA_TODEVICE);
4935 }
4936 dev_kfree_skb(skb);
4937 j += k + 1;
b6016b76 4938 }
b6016b76 4939 }
b6016b76
MC		 4940}
4941
4942static void
4943bnx2_free_rx_skbs(struct bnx2 *bp)
4944{
4945 int i;
4946
bb4f98ab
MC		 4947 for (i = 0; i < bp->num_rx_rings; i++) {
4948 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4949 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4950 int j;
b6016b76 4951
bb4f98ab
MC		 4952 if (rxr->rx_buf_ring == NULL)
4953 return;
b6016b76 4954
bb4f98ab
MC		 4955 for (j = 0; j < bp->rx_max_ring_idx; j++) {
4956 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
4957 struct sk_buff *skb = rx_buf->skb;
b6016b76 4958
bb4f98ab
MC		 4959 if (skb == NULL)
4960 continue;
b6016b76 4961
bb4f98ab
MC		 4962 pci_unmap_single(bp->pdev,
4963 pci_unmap_addr(rx_buf, mapping),
4964 bp->rx_buf_use_size,
4965 PCI_DMA_FROMDEVICE);
b6016b76 4966
bb4f98ab
MC		 4967 rx_buf->skb = NULL;
4968
4969 dev_kfree_skb(skb);
4970 }
4971 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
4972 bnx2_free_rx_page(bp, rxr, j);
b6016b76
MC		 4973 }
4974}
4975
4976static void
4977bnx2_free_skbs(struct bnx2 *bp)
4978{
4979 bnx2_free_tx_skbs(bp);
4980 bnx2_free_rx_skbs(bp);
4981}
4982
4983static int
4984bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4985{
4986 int rc;
4987
4988 rc = bnx2_reset_chip(bp, reset_code);
4989 bnx2_free_skbs(bp);
4990 if (rc)
4991 return rc;
4992
fba9fe91
MC		 4993 if ((rc = bnx2_init_chip(bp)) != 0)
4994 return rc;
4995
35e9010b 4996 bnx2_init_all_rings(bp);
b6016b76
MC		 4997 return 0;
4998}
4999
5000static int
9a120bc5 5001bnx2_init_nic(struct bnx2 *bp, int reset_phy)
b6016b76
MC		 5002{
5003 int rc;
5004
5005 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5006 return rc;
5007
80be4434 5008 spin_lock_bh(&bp->phy_lock);
9a120bc5 5009 bnx2_init_phy(bp, reset_phy);
b6016b76 5010 bnx2_set_link(bp);
543a827d
MC		 5011 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5012 bnx2_remote_phy_event(bp);
0d8a6571 5013 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5014 return 0;
5015}
5016
5017static int
5018bnx2_test_registers(struct bnx2 *bp)
5019{
5020 int ret;
5bae30c9 5021 int i, is_5709;
f71e1309 5022 static const struct {
b6016b76
MC		 5023 u16 offset;
5024 u16 flags;
5bae30c9 5025#define BNX2_FL_NOT_5709 1
b6016b76
MC		 5026 u32 rw_mask;
5027 u32 ro_mask;
5028 } reg_tbl[] = {
5029 { 0x006c, 0, 0x00000000, 0x0000003f },
5030 { 0x0090, 0, 0xffffffff, 0x00000000 },
5031 { 0x0094, 0, 0x00000000, 0x00000000 },
5032
5bae30c9
MC		 5033 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5034 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5035 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5036 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5037 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5038 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5039 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5040 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5041 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5042
5043 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5044 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5045 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5046 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5047 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5048 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5049
5050 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5051 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5052 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
b6016b76
MC		 5053
5054 { 0x1000, 0, 0x00000000, 0x00000001 },
15b169cc 5055 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
b6016b76
MC		 5056
5057 { 0x1408, 0, 0x01c00800, 0x00000000 },
5058 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5059 { 0x14a8, 0, 0x00000000, 0x000001ff },
5b0c76ad 5060 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
b6016b76
MC		 5061 { 0x14b0, 0, 0x00000002, 0x00000001 },
5062 { 0x14b8, 0, 0x00000000, 0x00000000 },
5063 { 0x14c0, 0, 0x00000000, 0x00000009 },
5064 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5065 { 0x14cc, 0, 0x00000000, 0x00000001 },
5066 { 0x14d0, 0, 0xffffffff, 0x00000000 },
b6016b76
MC		 5067
5068 { 0x1800, 0, 0x00000000, 0x00000001 },
5069 { 0x1804, 0, 0x00000000, 0x00000003 },
b6016b76
MC		 5070
5071 { 0x2800, 0, 0x00000000, 0x00000001 },
5072 { 0x2804, 0, 0x00000000, 0x00003f01 },
5073 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5074 { 0x2810, 0, 0xffff0000, 0x00000000 },
5075 { 0x2814, 0, 0xffff0000, 0x00000000 },
5076 { 0x2818, 0, 0xffff0000, 0x00000000 },
5077 { 0x281c, 0, 0xffff0000, 0x00000000 },
5078 { 0x2834, 0, 0xffffffff, 0x00000000 },
5079 { 0x2840, 0, 0x00000000, 0xffffffff },
5080 { 0x2844, 0, 0x00000000, 0xffffffff },
5081 { 0x2848, 0, 0xffffffff, 0x00000000 },
5082 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5083
5084 { 0x2c00, 0, 0x00000000, 0x00000011 },
5085 { 0x2c04, 0, 0x00000000, 0x00030007 },
5086
b6016b76
MC		 5087 { 0x3c00, 0, 0x00000000, 0x00000001 },
5088 { 0x3c04, 0, 0x00000000, 0x00070000 },
5089 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5090 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5091 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5092 { 0x3c14, 0, 0x00000000, 0xffffffff },
5093 { 0x3c18, 0, 0x00000000, 0xffffffff },
5094 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5095 { 0x3c20, 0, 0xffffff00, 0x00000000 },
b6016b76
MC		 5096
5097 { 0x5004, 0, 0x00000000, 0x0000007f },
5098 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
b6016b76 5099
b6016b76
MC		 5100 { 0x5c00, 0, 0x00000000, 0x00000001 },
5101 { 0x5c04, 0, 0x00000000, 0x0003000f },
5102 { 0x5c08, 0, 0x00000003, 0x00000000 },
5103 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5104 { 0x5c10, 0, 0x00000000, 0xffffffff },
5105 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5106 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5107 { 0x5c88, 0, 0x00000000, 0x00077373 },
5108 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5109
5110 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5111 { 0x680c, 0, 0xffffffff, 0x00000000 },
5112 { 0x6810, 0, 0xffffffff, 0x00000000 },
5113 { 0x6814, 0, 0xffffffff, 0x00000000 },
5114 { 0x6818, 0, 0xffffffff, 0x00000000 },
5115 { 0x681c, 0, 0xffffffff, 0x00000000 },
5116 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5117 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5118 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5119 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5120 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5121 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5122 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5123 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5124 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5125 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5126 { 0x684c, 0, 0xffffffff, 0x00000000 },
5127 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5128 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5129 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5130 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5131 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5132 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5133
5134 { 0xffff, 0, 0x00000000, 0x00000000 },
5135 };
5136
5137 ret = 0;
5bae30c9
MC		 5138 is_5709 = 0;
5139 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5140 is_5709 = 1;
5141
b6016b76
MC		 5142 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5143 u32 offset, rw_mask, ro_mask, save_val, val;
5bae30c9
MC		 5144 u16 flags = reg_tbl[i].flags;
5145
5146 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5147 continue;
b6016b76
MC		 5148
5149 offset = (u32) reg_tbl[i].offset;
5150 rw_mask = reg_tbl[i].rw_mask;
5151 ro_mask = reg_tbl[i].ro_mask;
5152
14ab9b86 5153 save_val = readl(bp->regview + offset);
b6016b76 5154
14ab9b86 5155 writel(0, bp->regview + offset);
b6016b76 5156
14ab9b86 5157 val = readl(bp->regview + offset);
b6016b76
MC		 5158 if ((val & rw_mask) != 0) {
5159 goto reg_test_err;
5160 }
5161
5162 if ((val & ro_mask) != (save_val & ro_mask)) {
5163 goto reg_test_err;
5164 }
5165
14ab9b86 5166 writel(0xffffffff, bp->regview + offset);
b6016b76 5167
14ab9b86 5168 val = readl(bp->regview + offset);
b6016b76
MC		 5169 if ((val & rw_mask) != rw_mask) {
5170 goto reg_test_err;
5171 }
5172
5173 if ((val & ro_mask) != (save_val & ro_mask)) {
5174 goto reg_test_err;
5175 }
5176
14ab9b86 5177 writel(save_val, bp->regview + offset);
b6016b76
MC		 5178 continue;
5179
5180reg_test_err:
14ab9b86 5181 writel(save_val, bp->regview + offset);
b6016b76
MC		 5182 ret = -ENODEV;
5183 break;
5184 }
5185 return ret;
5186}
5187
5188static int
5189bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5190{
f71e1309 5191 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
b6016b76
MC		 5192 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5193 int i;
5194
5195 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5196 u32 offset;
5197
5198 for (offset = 0; offset < size; offset += 4) {
5199
2726d6e1 5200 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
b6016b76 5201
2726d6e1 5202 if (bnx2_reg_rd_ind(bp, start + offset) !=
b6016b76
MC		 5203 test_pattern[i]) {
5204 return -ENODEV;
5205 }
5206 }
5207 }
5208 return 0;
5209}
5210
5211static int
5212bnx2_test_memory(struct bnx2 *bp)
5213{
5214 int ret = 0;
5215 int i;
5bae30c9 5216 static struct mem_entry {
b6016b76
MC		 5217 u32 offset;
5218 u32 len;
5bae30c9 5219 } mem_tbl_5706[] = {
b6016b76 5220 { 0x60000, 0x4000 },
5b0c76ad 5221 { 0xa0000, 0x3000 },
b6016b76
MC		 5222 { 0xe0000, 0x4000 },
5223 { 0x120000, 0x4000 },
5224 { 0x1a0000, 0x4000 },
5225 { 0x160000, 0x4000 },
5226 { 0xffffffff, 0 },
5bae30c9
MC		 5227 },
5228 mem_tbl_5709[] = {
5229 { 0x60000, 0x4000 },
5230 { 0xa0000, 0x3000 },
5231 { 0xe0000, 0x4000 },
5232 { 0x120000, 0x4000 },
5233 { 0x1a0000, 0x4000 },
5234 { 0xffffffff, 0 },
b6016b76 5235 };
5bae30c9
MC		 5236 struct mem_entry *mem_tbl;
5237
5238 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5239 mem_tbl = mem_tbl_5709;
5240 else
5241 mem_tbl = mem_tbl_5706;
b6016b76
MC		 5242
5243 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5244 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5245 mem_tbl[i].len)) != 0) {
5246 return ret;
5247 }
5248 }
6aa20a22 5249
b6016b76
MC		 5250 return ret;
5251}
5252
bc5a0690
MC		 5253#define BNX2_MAC_LOOPBACK 0
5254#define BNX2_PHY_LOOPBACK 1
5255
b6016b76 5256static int
bc5a0690 5257bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
b6016b76
MC		 5258{
5259 unsigned int pkt_size, num_pkts, i;
5260 struct sk_buff *skb, *rx_skb;
5261 unsigned char *packet;
bc5a0690 5262 u16 rx_start_idx, rx_idx;
b6016b76
MC		 5263 dma_addr_t map;
5264 struct tx_bd *txbd;
5265 struct sw_bd *rx_buf;
5266 struct l2_fhdr *rx_hdr;
5267 int ret = -ENODEV;
c76c0475 5268 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
35e9010b 5269 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 5270 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
c76c0475
MC		 5271
5272 tx_napi = bnapi;
b6016b76 5273
35e9010b 5274 txr = &tx_napi->tx_ring;
bb4f98ab 5275 rxr = &bnapi->rx_ring;
bc5a0690
MC		 5276 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5277 bp->loopback = MAC_LOOPBACK;
5278 bnx2_set_mac_loopback(bp);
5279 }
5280 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
583c28e5 5281 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
489310a4
MC		 5282 return 0;
5283
80be4434 5284 bp->loopback = PHY_LOOPBACK;
bc5a0690
MC		 5285 bnx2_set_phy_loopback(bp);
5286 }
5287 else
5288 return -EINVAL;
b6016b76 5289
84eaa187 5290 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
932f3772 5291 skb = netdev_alloc_skb(bp->dev, pkt_size);
b6cbc3b6
JL		 5292 if (!skb)
5293 return -ENOMEM;
b6016b76 5294 packet = skb_put(skb, pkt_size);
6634292b 5295 memcpy(packet, bp->dev->dev_addr, 6);
b6016b76
MC		 5296 memset(packet + 6, 0x0, 8);
5297 for (i = 14; i < pkt_size; i++)
5298 packet[i] = (unsigned char) (i & 0xff);
5299
5300 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5301 PCI_DMA_TODEVICE);
5302
bf5295bb
MC		 5303 REG_WR(bp, BNX2_HC_COMMAND,
5304 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5305
b6016b76
MC		 5306 REG_RD(bp, BNX2_HC_COMMAND);
5307
5308 udelay(5);
35efa7c1 5309 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76 5310
b6016b76
MC		 5311 num_pkts = 0;
5312
35e9010b 5313 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
b6016b76
MC		 5314
5315 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5316 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5317 txbd->tx_bd_mss_nbytes = pkt_size;
5318 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5319
5320 num_pkts++;
35e9010b
MC		 5321 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5322 txr->tx_prod_bseq += pkt_size;
b6016b76 5323
35e9010b
MC		 5324 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5325 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC		 5326
5327 udelay(100);
5328
bf5295bb
MC		 5329 REG_WR(bp, BNX2_HC_COMMAND,
5330 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5331
b6016b76
MC		 5332 REG_RD(bp, BNX2_HC_COMMAND);
5333
5334 udelay(5);
5335
5336 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
745720e5 5337 dev_kfree_skb(skb);
b6016b76 5338
35e9010b 5339 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
b6016b76 5340 goto loopback_test_done;
b6016b76 5341
35efa7c1 5342 rx_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76
MC		 5343 if (rx_idx != rx_start_idx + num_pkts) {
5344 goto loopback_test_done;
5345 }
5346
bb4f98ab 5347 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
b6016b76
MC		 5348 rx_skb = rx_buf->skb;
5349
5350 rx_hdr = (struct l2_fhdr *) rx_skb->data;
d89cb6af 5351 skb_reserve(rx_skb, BNX2_RX_OFFSET);
b6016b76
MC		 5352
5353 pci_dma_sync_single_for_cpu(bp->pdev,
5354 pci_unmap_addr(rx_buf, mapping),
5355 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5356
ade2bfe7 5357 if (rx_hdr->l2_fhdr_status &
b6016b76
MC		 5358 (L2_FHDR_ERRORS_BAD_CRC |
5359 L2_FHDR_ERRORS_PHY_DECODE |
5360 L2_FHDR_ERRORS_ALIGNMENT |
5361 L2_FHDR_ERRORS_TOO_SHORT |
5362 L2_FHDR_ERRORS_GIANT_FRAME)) {
5363
5364 goto loopback_test_done;
5365 }
5366
5367 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5368 goto loopback_test_done;
5369 }
5370
5371 for (i = 14; i < pkt_size; i++) {
5372 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5373 goto loopback_test_done;
5374 }
5375 }
5376
5377 ret = 0;
5378
5379loopback_test_done:
5380 bp->loopback = 0;
5381 return ret;
5382}
5383
bc5a0690
MC		 5384#define BNX2_MAC_LOOPBACK_FAILED 1
5385#define BNX2_PHY_LOOPBACK_FAILED 2
5386#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5387 BNX2_PHY_LOOPBACK_FAILED)
5388
5389static int
5390bnx2_test_loopback(struct bnx2 *bp)
5391{
5392 int rc = 0;
5393
5394 if (!netif_running(bp->dev))
5395 return BNX2_LOOPBACK_FAILED;
5396
5397 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5398 spin_lock_bh(&bp->phy_lock);
9a120bc5 5399 bnx2_init_phy(bp, 1);
bc5a0690
MC		 5400 spin_unlock_bh(&bp->phy_lock);
5401 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5402 rc |= BNX2_MAC_LOOPBACK_FAILED;
5403 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5404 rc |= BNX2_PHY_LOOPBACK_FAILED;
5405 return rc;
5406}
5407
b6016b76
MC		 5408#define NVRAM_SIZE 0x200
5409#define CRC32_RESIDUAL 0xdebb20e3
5410
5411static int
5412bnx2_test_nvram(struct bnx2 *bp)
5413{
b491edd5 5414 __be32 buf[NVRAM_SIZE / 4];
b6016b76
MC		 5415 u8 *data = (u8 *) buf;
5416 int rc = 0;
5417 u32 magic, csum;
5418
5419 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5420 goto test_nvram_done;
5421
5422 magic = be32_to_cpu(buf[0]);
5423 if (magic != 0x669955aa) {
5424 rc = -ENODEV;
5425 goto test_nvram_done;
5426 }
5427
5428 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5429 goto test_nvram_done;
5430
5431 csum = ether_crc_le(0x100, data);
5432 if (csum != CRC32_RESIDUAL) {
5433 rc = -ENODEV;
5434 goto test_nvram_done;
5435 }
5436
5437 csum = ether_crc_le(0x100, data + 0x100);
5438 if (csum != CRC32_RESIDUAL) {
5439 rc = -ENODEV;
5440 }
5441
5442test_nvram_done:
5443 return rc;
5444}
5445
5446static int
5447bnx2_test_link(struct bnx2 *bp)
5448{
5449 u32 bmsr;
5450
583c28e5 5451 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
489310a4
MC		 5452 if (bp->link_up)
5453 return 0;
5454 return -ENODEV;
5455 }
c770a65c 5456 spin_lock_bh(&bp->phy_lock);
27a005b8
MC		 5457 bnx2_enable_bmsr1(bp);
5458 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5459 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5460 bnx2_disable_bmsr1(bp);
c770a65c 5461 spin_unlock_bh(&bp->phy_lock);
6aa20a22 5462
b6016b76
MC		 5463 if (bmsr & BMSR_LSTATUS) {
5464 return 0;
5465 }
5466 return -ENODEV;
5467}
5468
5469static int
5470bnx2_test_intr(struct bnx2 *bp)
5471{
5472 int i;
b6016b76
MC		 5473 u16 status_idx;
5474
5475 if (!netif_running(bp->dev))
5476 return -ENODEV;
5477
5478 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5479
5480 /* This register is not touched during run-time. */
bf5295bb 5481 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC		 5482 REG_RD(bp, BNX2_HC_COMMAND);
5483
5484 for (i = 0; i < 10; i++) {
5485 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5486 status_idx) {
5487
5488 break;
5489 }
5490
5491 msleep_interruptible(10);
5492 }
5493 if (i < 10)
5494 return 0;
5495
5496 return -ENODEV;
5497}
5498
38ea3686 5499/* Determining link for parallel detection. */
b2fadeae
MC		 5500static int
5501bnx2_5706_serdes_has_link(struct bnx2 *bp)
5502{
5503 u32 mode_ctl, an_dbg, exp;
5504
38ea3686
MC		 5505 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5506 return 0;
5507
b2fadeae
MC		 5508 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5509 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5510
5511 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5512 return 0;
5513
5514 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5515 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5516 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5517
f3014c0c 5518 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
b2fadeae
MC		 5519 return 0;
5520
5521 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5522 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5523 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5524
5525 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5526 return 0;
5527
5528 return 1;
5529}
5530
b6016b76 5531static void
48b01e2d 5532bnx2_5706_serdes_timer(struct bnx2 *bp)
b6016b76 5533{
b2fadeae
MC		 5534 int check_link = 1;
5535
48b01e2d 5536 spin_lock(&bp->phy_lock);
b2fadeae 5537 if (bp->serdes_an_pending) {
48b01e2d 5538 bp->serdes_an_pending--;
b2fadeae
MC		 5539 check_link = 0;
5540 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
48b01e2d 5541 u32 bmcr;
b6016b76 5542
48b01e2d 5543 bp->current_interval = bp->timer_interval;
cd339a0e 5544
ca58c3af 5545 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 5546
48b01e2d 5547 if (bmcr & BMCR_ANENABLE) {
b2fadeae 5548 if (bnx2_5706_serdes_has_link(bp)) {
48b01e2d
MC		 5549 bmcr &= ~BMCR_ANENABLE;
5550 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
ca58c3af 5551 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
583c28e5 5552 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d 5553 }
b6016b76 5554 }
48b01e2d
MC		 5555 }
5556 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
583c28e5 5557 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
48b01e2d 5558 u32 phy2;
b6016b76 5559
48b01e2d
MC		 5560 bnx2_write_phy(bp, 0x17, 0x0f01);
5561 bnx2_read_phy(bp, 0x15, &phy2);
5562 if (phy2 & 0x20) {
5563 u32 bmcr;
cd339a0e 5564
ca58c3af 5565 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
48b01e2d 5566 bmcr |= BMCR_ANENABLE;
ca58c3af 5567 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
b6016b76 5568
583c28e5 5569 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d
MC		 5570 }
5571 } else
5572 bp->current_interval = bp->timer_interval;
b6016b76 5573
a2724e25 5574 if (check_link) {
b2fadeae
MC		 5575 u32 val;
5576
5577 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5578 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5579 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5580
a2724e25
MC		 5581 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5582 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5583 bnx2_5706s_force_link_dn(bp, 1);
5584 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5585 } else
5586 bnx2_set_link(bp);
5587 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5588 bnx2_set_link(bp);
b2fadeae 5589 }
48b01e2d
MC		 5590 spin_unlock(&bp->phy_lock);
5591}
b6016b76 5592
f8dd064e
MC		 5593static void
5594bnx2_5708_serdes_timer(struct bnx2 *bp)
5595{
583c28e5 5596 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 5597 return;
5598
583c28e5 5599 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
f8dd064e
MC		 5600 bp->serdes_an_pending = 0;
5601 return;
5602 }
b6016b76 5603
f8dd064e
MC		 5604 spin_lock(&bp->phy_lock);
5605 if (bp->serdes_an_pending)
5606 bp->serdes_an_pending--;
5607 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5608 u32 bmcr;
b6016b76 5609
ca58c3af 5610 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
f8dd064e 5611 if (bmcr & BMCR_ANENABLE) {
605a9e20 5612 bnx2_enable_forced_2g5(bp);
f8dd064e
MC		 5613 bp->current_interval = SERDES_FORCED_TIMEOUT;
5614 } else {
605a9e20 5615 bnx2_disable_forced_2g5(bp);
f8dd064e
MC		 5616 bp->serdes_an_pending = 2;
5617 bp->current_interval = bp->timer_interval;
b6016b76 5618 }
b6016b76 5619
f8dd064e
MC		 5620 } else
5621 bp->current_interval = bp->timer_interval;
b6016b76 5622
f8dd064e
MC		 5623 spin_unlock(&bp->phy_lock);
5624}
5625
48b01e2d
MC		 5626static void
5627bnx2_timer(unsigned long data)
5628{
5629 struct bnx2 *bp = (struct bnx2 *) data;
b6016b76 5630
48b01e2d
MC		 5631 if (!netif_running(bp->dev))
5632 return;
b6016b76 5633
48b01e2d
MC		 5634 if (atomic_read(&bp->intr_sem) != 0)
5635 goto bnx2_restart_timer;
b6016b76 5636
df149d70 5637 bnx2_send_heart_beat(bp);
b6016b76 5638
2726d6e1
MC		 5639 bp->stats_blk->stat_FwRxDrop =
5640 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
b6016b76 5641
02537b06
MC		 5642 /* workaround occasional corrupted counters */
5643 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5644 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5645 BNX2_HC_COMMAND_STATS_NOW);
5646
583c28e5 5647 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
f8dd064e
MC		 5648 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5649 bnx2_5706_serdes_timer(bp);
27a005b8 5650 else
f8dd064e 5651 bnx2_5708_serdes_timer(bp);
b6016b76
MC		 5652 }
5653
5654bnx2_restart_timer:
cd339a0e 5655 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 5656}
5657
8e6a72c4
MC		 5658static int
5659bnx2_request_irq(struct bnx2 *bp)
5660{
6d866ffc 5661 unsigned long flags;
b4b36042
MC		 5662 struct bnx2_irq *irq;
5663 int rc = 0, i;
8e6a72c4 5664
f86e82fb 5665 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6d866ffc
MC		 5666 flags = 0;
5667 else
5668 flags = IRQF_SHARED;
b4b36042
MC		 5669
5670 for (i = 0; i < bp->irq_nvecs; i++) {
5671 irq = &bp->irq_tbl[i];
c76c0475 5672 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
f0ea2e63 5673 &bp->bnx2_napi[i]);
b4b36042
MC		 5674 if (rc)
5675 break;
5676 irq->requested = 1;
5677 }
8e6a72c4
MC		 5678 return rc;
5679}
5680
5681static void
5682bnx2_free_irq(struct bnx2 *bp)
5683{
b4b36042
MC		 5684 struct bnx2_irq *irq;
5685 int i;
8e6a72c4 5686
b4b36042
MC		 5687 for (i = 0; i < bp->irq_nvecs; i++) {
5688 irq = &bp->irq_tbl[i];
5689 if (irq->requested)
f0ea2e63 5690 free_irq(irq->vector, &bp->bnx2_napi[i]);
b4b36042 5691 irq->requested = 0;
6d866ffc 5692 }
f86e82fb 5693 if (bp->flags & BNX2_FLAG_USING_MSI)
b4b36042 5694 pci_disable_msi(bp->pdev);
f86e82fb 5695 else if (bp->flags & BNX2_FLAG_USING_MSIX)
b4b36042
MC		 5696 pci_disable_msix(bp->pdev);
5697
f86e82fb 5698 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
b4b36042
MC		 5699}
5700
5701static void
5e9ad9e1 5702bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
b4b36042 5703{
57851d84
MC		 5704 int i, rc;
5705 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5706
b4b36042
MC		 5707 bnx2_setup_msix_tbl(bp);
5708 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5709 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5710 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
57851d84
MC		 5711
5712 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5713 msix_ent[i].entry = i;
5714 msix_ent[i].vector = 0;
35e9010b
MC		 5715
5716 strcpy(bp->irq_tbl[i].name, bp->dev->name);
f0ea2e63 5717 bp->irq_tbl[i].handler = bnx2_msi_1shot;
57851d84
MC		 5718 }
5719
5720 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5721 if (rc != 0)
5722 return;
5723
5e9ad9e1 5724 bp->irq_nvecs = msix_vecs;
f86e82fb 5725 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
57851d84
MC		 5726 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5727 bp->irq_tbl[i].vector = msix_ent[i].vector;
6d866ffc
MC		 5728}
5729
5730static void
5731bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5732{
5e9ad9e1
MC		 5733 int cpus = num_online_cpus();
5734 int msix_vecs = min(cpus + 1, RX_MAX_RSS_RINGS);
5735
6d866ffc
MC		 5736 bp->irq_tbl[0].handler = bnx2_interrupt;
5737 strcpy(bp->irq_tbl[0].name, bp->dev->name);
b4b36042
MC		 5738 bp->irq_nvecs = 1;
5739 bp->irq_tbl[0].vector = bp->pdev->irq;
5740
5e9ad9e1
MC		 5741 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5742 bnx2_enable_msix(bp, msix_vecs);
6d866ffc 5743
f86e82fb
DM		 5744 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5745 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6d866ffc 5746 if (pci_enable_msi(bp->pdev) == 0) {
f86e82fb 5747 bp->flags |= BNX2_FLAG_USING_MSI;
6d866ffc 5748 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
f86e82fb 5749 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6d866ffc
MC		 5750 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5751 } else
5752 bp->irq_tbl[0].handler = bnx2_msi;
b4b36042
MC		 5753
5754 bp->irq_tbl[0].vector = bp->pdev->irq;
6d866ffc
MC		 5755 }
5756 }
35e9010b 5757 bp->num_tx_rings = 1;
5e9ad9e1 5758 bp->num_rx_rings = bp->irq_nvecs;
8e6a72c4
MC		 5759}
5760
b6016b76
MC		 5761/* Called with rtnl_lock */
5762static int
5763bnx2_open(struct net_device *dev)
5764{
972ec0d4 5765 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 5766 int rc;
5767
1b2f922f
MC		 5768 netif_carrier_off(dev);
5769
829ca9a3 5770 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 5771 bnx2_disable_int(bp);
5772
35e9010b
MC		 5773 bnx2_setup_int_mode(bp, disable_msi);
5774 bnx2_napi_enable(bp);
b6016b76 5775 rc = bnx2_alloc_mem(bp);
2739a8bb
MC		 5776 if (rc)
5777 goto open_err;
b6016b76 5778
8e6a72c4 5779 rc = bnx2_request_irq(bp);
2739a8bb
MC		 5780 if (rc)
5781 goto open_err;
b6016b76 5782
9a120bc5 5783 rc = bnx2_init_nic(bp, 1);
2739a8bb
MC		 5784 if (rc)
5785 goto open_err;
6aa20a22 5786
cd339a0e 5787 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 5788
5789 atomic_set(&bp->intr_sem, 0);
5790
5791 bnx2_enable_int(bp);
5792
f86e82fb 5793 if (bp->flags & BNX2_FLAG_USING_MSI) {
b6016b76
MC		 5794 /* Test MSI to make sure it is working
5795 * If MSI test fails, go back to INTx mode
5796 */
5797 if (bnx2_test_intr(bp) != 0) {
5798 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5799 " using MSI, switching to INTx mode. Please"
5800 " report this failure to the PCI maintainer"
5801 " and include system chipset information.\n",
5802 bp->dev->name);
5803
5804 bnx2_disable_int(bp);
8e6a72c4 5805 bnx2_free_irq(bp);
b6016b76 5806
6d866ffc
MC		 5807 bnx2_setup_int_mode(bp, 1);
5808
9a120bc5 5809 rc = bnx2_init_nic(bp, 0);
b6016b76 5810
8e6a72c4
MC		 5811 if (!rc)
5812 rc = bnx2_request_irq(bp);
5813
b6016b76 5814 if (rc) {
b6016b76 5815 del_timer_sync(&bp->timer);
2739a8bb 5816 goto open_err;
b6016b76
MC		 5817 }
5818 bnx2_enable_int(bp);
5819 }
5820 }
f86e82fb 5821 if (bp->flags & BNX2_FLAG_USING_MSI)
b6016b76 5822 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
f86e82fb 5823 else if (bp->flags & BNX2_FLAG_USING_MSIX)
57851d84 5824 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
b6016b76
MC		 5825
5826 netif_start_queue(dev);
5827
5828 return 0;
2739a8bb
MC		 5829
5830open_err:
5831 bnx2_napi_disable(bp);
5832 bnx2_free_skbs(bp);
5833 bnx2_free_irq(bp);
5834 bnx2_free_mem(bp);
5835 return rc;
b6016b76
MC		 5836}
5837
5838static void
c4028958 5839bnx2_reset_task(struct work_struct *work)
b6016b76 5840{
c4028958 5841 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
b6016b76 5842
afdc08b9
MC		 5843 if (!netif_running(bp->dev))
5844 return;
5845
b6016b76
MC		 5846 bnx2_netif_stop(bp);
5847
9a120bc5 5848 bnx2_init_nic(bp, 1);
b6016b76
MC		 5849
5850 atomic_set(&bp->intr_sem, 1);
5851 bnx2_netif_start(bp);
5852}
5853
5854static void
5855bnx2_tx_timeout(struct net_device *dev)
5856{
972ec0d4 5857 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 5858
5859 /* This allows the netif to be shutdown gracefully before resetting */
5860 schedule_work(&bp->reset_task);
5861}
5862
5863#ifdef BCM_VLAN
5864/* Called with rtnl_lock */
5865static void
5866bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5867{
972ec0d4 5868 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 5869
5870 bnx2_netif_stop(bp);
5871
5872 bp->vlgrp = vlgrp;
5873 bnx2_set_rx_mode(dev);
5874
5875 bnx2_netif_start(bp);
5876}
b6016b76
MC		 5877#endif
5878
932ff279 5879/* Called with netif_tx_lock.
2f8af120
MC		 5880 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5881 * netif_wake_queue().
b6016b76
MC		 5882 */
5883static int
5884bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5885{
972ec0d4 5886 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 5887 dma_addr_t mapping;
5888 struct tx_bd *txbd;
5889 struct sw_bd *tx_buf;
5890 u32 len, vlan_tag_flags, last_frag, mss;
5891 u16 prod, ring_prod;
5892 int i;
35e9010b
MC		 5893 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
5894 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
b6016b76 5895
35e9010b 5896 if (unlikely(bnx2_tx_avail(bp, txr) <
a550c99b 5897 (skb_shinfo(skb)->nr_frags + 1))) {
b6016b76
MC		 5898 netif_stop_queue(dev);
5899 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5900 dev->name);
5901
5902 return NETDEV_TX_BUSY;
5903 }
5904 len = skb_headlen(skb);
35e9010b 5905 prod = txr->tx_prod;
b6016b76
MC		 5906 ring_prod = TX_RING_IDX(prod);
5907
5908 vlan_tag_flags = 0;
84fa7933 5909 if (skb->ip_summed == CHECKSUM_PARTIAL) {
b6016b76
MC		 5910 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5911 }
5912
79ea13ce 5913 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
b6016b76
MC		 5914 vlan_tag_flags |=
5915 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5916 }
fde82055 5917 if ((mss = skb_shinfo(skb)->gso_size)) {
b6016b76 5918 u32 tcp_opt_len, ip_tcp_len;
eddc9ec5 5919 struct iphdr *iph;
b6016b76 5920
b6016b76
MC		 5921 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5922
4666f87a
MC		 5923 tcp_opt_len = tcp_optlen(skb);
5924
5925 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5926 u32 tcp_off = skb_transport_offset(skb) -
5927 sizeof(struct ipv6hdr) - ETH_HLEN;
ab6a5bb6 5928
4666f87a
MC		 5929 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5930 TX_BD_FLAGS_SW_FLAGS;
5931 if (likely(tcp_off == 0))
5932 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5933 else {
5934 tcp_off >>= 3;
5935 vlan_tag_flags |= ((tcp_off & 0x3) <<
5936 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5937 ((tcp_off & 0x10) <<
5938 TX_BD_FLAGS_TCP6_OFF4_SHL);
5939 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5940 }
5941 } else {
5942 if (skb_header_cloned(skb) &&
5943 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5944 dev_kfree_skb(skb);
5945 return NETDEV_TX_OK;
5946 }
b6016b76 5947
4666f87a
MC		 5948 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5949
5950 iph = ip_hdr(skb);
5951 iph->check = 0;
5952 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5953 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5954 iph->daddr, 0,
5955 IPPROTO_TCP,
5956 0);
5957 if (tcp_opt_len || (iph->ihl > 5)) {
5958 vlan_tag_flags |= ((iph->ihl - 5) +
5959 (tcp_opt_len >> 2)) << 8;
5960 }
b6016b76 5961 }
4666f87a 5962 } else
b6016b76 5963 mss = 0;
b6016b76
MC		 5964
5965 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6aa20a22 5966
35e9010b 5967 tx_buf = &txr->tx_buf_ring[ring_prod];
b6016b76
MC		 5968 tx_buf->skb = skb;
5969 pci_unmap_addr_set(tx_buf, mapping, mapping);
5970
35e9010b 5971 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC		 5972
5973 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5974 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5975 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5976 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5977
5978 last_frag = skb_shinfo(skb)->nr_frags;
5979
5980 for (i = 0; i < last_frag; i++) {
5981 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5982
5983 prod = NEXT_TX_BD(prod);
5984 ring_prod = TX_RING_IDX(prod);
35e9010b 5985 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC		 5986
5987 len = frag->size;
5988 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5989 len, PCI_DMA_TODEVICE);
35e9010b 5990 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
b6016b76
MC		 5991 mapping, mapping);
5992
5993 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5994 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5995 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5996 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5997
5998 }
5999 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6000
6001 prod = NEXT_TX_BD(prod);
35e9010b 6002 txr->tx_prod_bseq += skb->len;
b6016b76 6003
35e9010b
MC		 6004 REG_WR16(bp, txr->tx_bidx_addr, prod);
6005 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC		 6006
6007 mmiowb();
6008
35e9010b 6009 txr->tx_prod = prod;
b6016b76
MC		 6010 dev->trans_start = jiffies;
6011
35e9010b 6012 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
e89bbf10 6013 netif_stop_queue(dev);
35e9010b 6014 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
e89bbf10 6015 netif_wake_queue(dev);
b6016b76
MC		 6016 }
6017
6018 return NETDEV_TX_OK;
6019}
6020
6021/* Called with rtnl_lock */
6022static int
6023bnx2_close(struct net_device *dev)
6024{
972ec0d4 6025 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6026 u32 reset_code;
6027
4bb073c0 6028 cancel_work_sync(&bp->reset_task);
afdc08b9 6029
bea3348e 6030 bnx2_disable_int_sync(bp);
35efa7c1 6031 bnx2_napi_disable(bp);
b6016b76 6032 del_timer_sync(&bp->timer);
f86e82fb 6033 if (bp->flags & BNX2_FLAG_NO_WOL)
6c4f095e 6034 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
dda1e390 6035 else if (bp->wol)
b6016b76
MC		 6036 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6037 else
6038 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6039 bnx2_reset_chip(bp, reset_code);
8e6a72c4 6040 bnx2_free_irq(bp);
b6016b76
MC		 6041 bnx2_free_skbs(bp);
6042 bnx2_free_mem(bp);
6043 bp->link_up = 0;
6044 netif_carrier_off(bp->dev);
829ca9a3 6045 bnx2_set_power_state(bp, PCI_D3hot);
b6016b76
MC		 6046 return 0;
6047}
6048
6049#define GET_NET_STATS64(ctr) \
6050 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6051 (unsigned long) (ctr##_lo)
6052
6053#define GET_NET_STATS32(ctr) \
6054 (ctr##_lo)
6055
6056#if (BITS_PER_LONG == 64)
6057#define GET_NET_STATS GET_NET_STATS64
6058#else
6059#define GET_NET_STATS GET_NET_STATS32
6060#endif
6061
6062static struct net_device_stats *
6063bnx2_get_stats(struct net_device *dev)
6064{
972ec0d4 6065 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6066 struct statistics_block *stats_blk = bp->stats_blk;
6067 struct net_device_stats *net_stats = &bp->net_stats;
6068
6069 if (bp->stats_blk == NULL) {
6070 return net_stats;
6071 }
6072 net_stats->rx_packets =
6073 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6074 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6075 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6076
6077 net_stats->tx_packets =
6078 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6079 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6080 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6081
6082 net_stats->rx_bytes =
6083 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6084
6085 net_stats->tx_bytes =
6086 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6087
6aa20a22 6088 net_stats->multicast =
b6016b76
MC		 6089 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6090
6aa20a22 6091 net_stats->collisions =
b6016b76
MC		 6092 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6093
6aa20a22 6094 net_stats->rx_length_errors =
b6016b76
MC		 6095 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6096 stats_blk->stat_EtherStatsOverrsizePkts);
6097
6aa20a22 6098 net_stats->rx_over_errors =
b6016b76
MC		 6099 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6100
6aa20a22 6101 net_stats->rx_frame_errors =
b6016b76
MC		 6102 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6103
6aa20a22 6104 net_stats->rx_crc_errors =
b6016b76
MC		 6105 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6106
6107 net_stats->rx_errors = net_stats->rx_length_errors +
6108 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6109 net_stats->rx_crc_errors;
6110
6111 net_stats->tx_aborted_errors =
6112 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6113 stats_blk->stat_Dot3StatsLateCollisions);
6114
5b0c76ad
MC		 6115 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6116 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76
MC		 6117 net_stats->tx_carrier_errors = 0;
6118 else {
6119 net_stats->tx_carrier_errors =
6120 (unsigned long)
6121 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6122 }
6123
6124 net_stats->tx_errors =
6aa20a22 6125 (unsigned long)
b6016b76
MC		 6126 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6127 +
6128 net_stats->tx_aborted_errors +
6129 net_stats->tx_carrier_errors;
6130
cea94db9
MC		 6131 net_stats->rx_missed_errors =
6132 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6133 stats_blk->stat_FwRxDrop);
6134
b6016b76
MC		 6135 return net_stats;
6136}
6137
6138/* All ethtool functions called with rtnl_lock */
6139
6140static int
6141bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6142{
972ec0d4 6143 struct bnx2 *bp = netdev_priv(dev);
7b6b8347 6144 int support_serdes = 0, support_copper = 0;
b6016b76
MC		 6145
6146 cmd->supported = SUPPORTED_Autoneg;
583c28e5 6147 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC		 6148 support_serdes = 1;
6149 support_copper = 1;
6150 } else if (bp->phy_port == PORT_FIBRE)
6151 support_serdes = 1;
6152 else
6153 support_copper = 1;
6154
6155 if (support_serdes) {
b6016b76
MC		 6156 cmd->supported |= SUPPORTED_1000baseT_Full |
6157 SUPPORTED_FIBRE;
583c28e5 6158 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
605a9e20 6159 cmd->supported |= SUPPORTED_2500baseX_Full;
b6016b76 6160
b6016b76 6161 }
7b6b8347 6162 if (support_copper) {
b6016b76
MC		 6163 cmd->supported |= SUPPORTED_10baseT_Half |
6164 SUPPORTED_10baseT_Full |
6165 SUPPORTED_100baseT_Half |
6166 SUPPORTED_100baseT_Full |
6167 SUPPORTED_1000baseT_Full |
6168 SUPPORTED_TP;
6169
b6016b76
MC		 6170 }
6171
7b6b8347
MC		 6172 spin_lock_bh(&bp->phy_lock);
6173 cmd->port = bp->phy_port;
b6016b76
MC		 6174 cmd->advertising = bp->advertising;
6175
6176 if (bp->autoneg & AUTONEG_SPEED) {
6177 cmd->autoneg = AUTONEG_ENABLE;
6178 }
6179 else {
6180 cmd->autoneg = AUTONEG_DISABLE;
6181 }
6182
6183 if (netif_carrier_ok(dev)) {
6184 cmd->speed = bp->line_speed;
6185 cmd->duplex = bp->duplex;
6186 }
6187 else {
6188 cmd->speed = -1;
6189 cmd->duplex = -1;
6190 }
7b6b8347 6191 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6192
6193 cmd->transceiver = XCVR_INTERNAL;
6194 cmd->phy_address = bp->phy_addr;
6195
6196 return 0;
6197}
6aa20a22 6198
b6016b76
MC		 6199static int
6200bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6201{
972ec0d4 6202 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6203 u8 autoneg = bp->autoneg;
6204 u8 req_duplex = bp->req_duplex;
6205 u16 req_line_speed = bp->req_line_speed;
6206 u32 advertising = bp->advertising;
7b6b8347
MC		 6207 int err = -EINVAL;
6208
6209 spin_lock_bh(&bp->phy_lock);
6210
6211 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6212 goto err_out_unlock;
6213
583c28e5
MC		 6214 if (cmd->port != bp->phy_port &&
6215 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
7b6b8347 6216 goto err_out_unlock;
b6016b76
MC		 6217
6218 if (cmd->autoneg == AUTONEG_ENABLE) {
6219 autoneg |= AUTONEG_SPEED;
6220
6aa20a22 6221 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
b6016b76
MC		 6222
6223 /* allow advertising 1 speed */
6224 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6225 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6226 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6227 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6228
7b6b8347
MC		 6229 if (cmd->port == PORT_FIBRE)
6230 goto err_out_unlock;
b6016b76
MC		 6231
6232 advertising = cmd->advertising;
6233
27a005b8 6234 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
583c28e5 6235 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
7b6b8347
MC		 6236 (cmd->port == PORT_TP))
6237 goto err_out_unlock;
6238 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
b6016b76 6239 advertising = cmd->advertising;
7b6b8347
MC		 6240 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6241 goto err_out_unlock;
b6016b76 6242 else {
7b6b8347 6243 if (cmd->port == PORT_FIBRE)
b6016b76 6244 advertising = ETHTOOL_ALL_FIBRE_SPEED;
7b6b8347 6245 else
b6016b76 6246 advertising = ETHTOOL_ALL_COPPER_SPEED;
b6016b76
MC		 6247 }
6248 advertising |= ADVERTISED_Autoneg;
6249 }
6250 else {
7b6b8347 6251 if (cmd->port == PORT_FIBRE) {
80be4434
MC		 6252 if ((cmd->speed != SPEED_1000 &&
6253 cmd->speed != SPEED_2500) ||
6254 (cmd->duplex != DUPLEX_FULL))
7b6b8347 6255 goto err_out_unlock;
80be4434
MC		 6256
6257 if (cmd->speed == SPEED_2500 &&
583c28e5 6258 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
7b6b8347 6259 goto err_out_unlock;
b6016b76 6260 }
7b6b8347
MC		 6261 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6262 goto err_out_unlock;
6263
b6016b76
MC		 6264 autoneg &= ~AUTONEG_SPEED;
6265 req_line_speed = cmd->speed;
6266 req_duplex = cmd->duplex;
6267 advertising = 0;
6268 }
6269
6270 bp->autoneg = autoneg;
6271 bp->advertising = advertising;
6272 bp->req_line_speed = req_line_speed;
6273 bp->req_duplex = req_duplex;
6274
7b6b8347 6275 err = bnx2_setup_phy(bp, cmd->port);
b6016b76 6276
7b6b8347 6277err_out_unlock:
c770a65c 6278 spin_unlock_bh(&bp->phy_lock);
b6016b76 6279
7b6b8347 6280 return err;
b6016b76
MC		 6281}
6282
6283static void
6284bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6285{
972ec0d4 6286 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6287
6288 strcpy(info->driver, DRV_MODULE_NAME);
6289 strcpy(info->version, DRV_MODULE_VERSION);
6290 strcpy(info->bus_info, pci_name(bp->pdev));
58fc2ea4 6291 strcpy(info->fw_version, bp->fw_version);
b6016b76
MC		 6292}
6293
244ac4f4
MC		 6294#define BNX2_REGDUMP_LEN (32 * 1024)
6295
6296static int
6297bnx2_get_regs_len(struct net_device *dev)
6298{
6299 return BNX2_REGDUMP_LEN;
6300}
6301
6302static void
6303bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6304{
6305 u32 *p = _p, i, offset;
6306 u8 *orig_p = _p;
6307 struct bnx2 *bp = netdev_priv(dev);
6308 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6309 0x0800, 0x0880, 0x0c00, 0x0c10,
6310 0x0c30, 0x0d08, 0x1000, 0x101c,
6311 0x1040, 0x1048, 0x1080, 0x10a4,
6312 0x1400, 0x1490, 0x1498, 0x14f0,
6313 0x1500, 0x155c, 0x1580, 0x15dc,
6314 0x1600, 0x1658, 0x1680, 0x16d8,
6315 0x1800, 0x1820, 0x1840, 0x1854,
6316 0x1880, 0x1894, 0x1900, 0x1984,
6317 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6318 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6319 0x2000, 0x2030, 0x23c0, 0x2400,
6320 0x2800, 0x2820, 0x2830, 0x2850,
6321 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6322 0x3c00, 0x3c94, 0x4000, 0x4010,
6323 0x4080, 0x4090, 0x43c0, 0x4458,
6324 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6325 0x4fc0, 0x5010, 0x53c0, 0x5444,
6326 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6327 0x5fc0, 0x6000, 0x6400, 0x6428,
6328 0x6800, 0x6848, 0x684c, 0x6860,
6329 0x6888, 0x6910, 0x8000 };
6330
6331 regs->version = 0;
6332
6333 memset(p, 0, BNX2_REGDUMP_LEN);
6334
6335 if (!netif_running(bp->dev))
6336 return;
6337
6338 i = 0;
6339 offset = reg_boundaries[0];
6340 p += offset;
6341 while (offset < BNX2_REGDUMP_LEN) {
6342 *p++ = REG_RD(bp, offset);
6343 offset += 4;
6344 if (offset == reg_boundaries[i + 1]) {
6345 offset = reg_boundaries[i + 2];
6346 p = (u32 *) (orig_p + offset);
6347 i += 2;
6348 }
6349 }
6350}
6351
b6016b76
MC		 6352static void
6353bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6354{
972ec0d4 6355 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6356
f86e82fb 6357 if (bp->flags & BNX2_FLAG_NO_WOL) {
b6016b76
MC		 6358 wol->supported = 0;
6359 wol->wolopts = 0;
6360 }
6361 else {
6362 wol->supported = WAKE_MAGIC;
6363 if (bp->wol)
6364 wol->wolopts = WAKE_MAGIC;
6365 else
6366 wol->wolopts = 0;
6367 }
6368 memset(&wol->sopass, 0, sizeof(wol->sopass));
6369}
6370
6371static int
6372bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6373{
972ec0d4 6374 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6375
6376 if (wol->wolopts & ~WAKE_MAGIC)
6377 return -EINVAL;
6378
6379 if (wol->wolopts & WAKE_MAGIC) {
f86e82fb 6380 if (bp->flags & BNX2_FLAG_NO_WOL)
b6016b76
MC		 6381 return -EINVAL;
6382
6383 bp->wol = 1;
6384 }
6385 else {
6386 bp->wol = 0;
6387 }
6388 return 0;
6389}
6390
6391static int
6392bnx2_nway_reset(struct net_device *dev)
6393{
972ec0d4 6394 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6395 u32 bmcr;
6396
6397 if (!(bp->autoneg & AUTONEG_SPEED)) {
6398 return -EINVAL;
6399 }
6400
c770a65c 6401 spin_lock_bh(&bp->phy_lock);
b6016b76 6402
583c28e5 6403 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC		 6404 int rc;
6405
6406 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6407 spin_unlock_bh(&bp->phy_lock);
6408 return rc;
6409 }
6410
b6016b76 6411 /* Force a link down visible on the other side */
583c28e5 6412 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
ca58c3af 6413 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
c770a65c 6414 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6415
6416 msleep(20);
6417
c770a65c 6418 spin_lock_bh(&bp->phy_lock);
f8dd064e
MC		 6419
6420 bp->current_interval = SERDES_AN_TIMEOUT;
6421 bp->serdes_an_pending = 1;
6422 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 6423 }
6424
ca58c3af 6425 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 6426 bmcr &= ~BMCR_LOOPBACK;
ca58c3af 6427 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
b6016b76 6428
c770a65c 6429 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6430
6431 return 0;
6432}
6433
6434static int
6435bnx2_get_eeprom_len(struct net_device *dev)
6436{
972ec0d4 6437 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6438
1122db71 6439 if (bp->flash_info == NULL)
b6016b76
MC		 6440 return 0;
6441
1122db71 6442 return (int) bp->flash_size;
b6016b76
MC		 6443}
6444
6445static int
6446bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6447 u8 *eebuf)
6448{
972ec0d4 6449 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6450 int rc;
6451
1064e944 6452 /* parameters already validated in ethtool_get_eeprom */
b6016b76
MC		 6453
6454 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6455
6456 return rc;
6457}
6458
6459static int
6460bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6461 u8 *eebuf)
6462{
972ec0d4 6463 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6464 int rc;
6465
1064e944 6466 /* parameters already validated in ethtool_set_eeprom */
b6016b76
MC		 6467
6468 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6469
6470 return rc;
6471}
6472
6473static int
6474bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6475{
972ec0d4 6476 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6477
6478 memset(coal, 0, sizeof(struct ethtool_coalesce));
6479
6480 coal->rx_coalesce_usecs = bp->rx_ticks;
6481 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6482 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6483 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6484
6485 coal->tx_coalesce_usecs = bp->tx_ticks;
6486 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6487 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6488 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6489
6490 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6491
6492 return 0;
6493}
6494
6495static int
6496bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6497{
972ec0d4 6498 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6499
6500 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6501 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6502
6aa20a22 6503 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
b6016b76
MC		 6504 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6505
6506 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6507 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6508
6509 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6510 if (bp->rx_quick_cons_trip_int > 0xff)
6511 bp->rx_quick_cons_trip_int = 0xff;
6512
6513 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6514 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6515
6516 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6517 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6518
6519 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6520 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6521
6522 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6523 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6524 0xff;
6525
6526 bp->stats_ticks = coal->stats_block_coalesce_usecs;
02537b06
MC		 6527 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6528 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6529 bp->stats_ticks = USEC_PER_SEC;
6530 }
7ea6920e
MC		 6531 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6532 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6533 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76
MC		 6534
6535 if (netif_running(bp->dev)) {
6536 bnx2_netif_stop(bp);
9a120bc5 6537 bnx2_init_nic(bp, 0);
b6016b76
MC		 6538 bnx2_netif_start(bp);
6539 }
6540
6541 return 0;
6542}
6543
6544static void
6545bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6546{
972ec0d4 6547 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6548
13daffa2 6549 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
b6016b76 6550 ering->rx_mini_max_pending = 0;
47bf4246 6551 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
b6016b76
MC		 6552
6553 ering->rx_pending = bp->rx_ring_size;
6554 ering->rx_mini_pending = 0;
47bf4246 6555 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
b6016b76
MC		 6556
6557 ering->tx_max_pending = MAX_TX_DESC_CNT;
6558 ering->tx_pending = bp->tx_ring_size;
6559}
6560
6561static int
5d5d0015 6562bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
b6016b76 6563{
13daffa2
MC		 6564 if (netif_running(bp->dev)) {
6565 bnx2_netif_stop(bp);
6566 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6567 bnx2_free_skbs(bp);
6568 bnx2_free_mem(bp);
6569 }
6570
5d5d0015
MC		 6571 bnx2_set_rx_ring_size(bp, rx);
6572 bp->tx_ring_size = tx;
b6016b76
MC		 6573
6574 if (netif_running(bp->dev)) {
13daffa2
MC		 6575 int rc;
6576
6577 rc = bnx2_alloc_mem(bp);
6578 if (rc)
6579 return rc;
9a120bc5 6580 bnx2_init_nic(bp, 0);
b6016b76
MC		 6581 bnx2_netif_start(bp);
6582 }
b6016b76
MC		 6583 return 0;
6584}
6585
5d5d0015
MC		 6586static int
6587bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6588{
6589 struct bnx2 *bp = netdev_priv(dev);
6590 int rc;
6591
6592 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6593 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6594 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6595
6596 return -EINVAL;
6597 }
6598 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6599 return rc;
6600}
6601
b6016b76
MC		 6602static void
6603bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6604{
972ec0d4 6605 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6606
6607 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6608 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6609 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6610}
6611
6612static int
6613bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6614{
972ec0d4 6615 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6616
6617 bp->req_flow_ctrl = 0;
6618 if (epause->rx_pause)
6619 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6620 if (epause->tx_pause)
6621 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6622
6623 if (epause->autoneg) {
6624 bp->autoneg |= AUTONEG_FLOW_CTRL;
6625 }
6626 else {
6627 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6628 }
6629
c770a65c 6630 spin_lock_bh(&bp->phy_lock);
b6016b76 6631
0d8a6571 6632 bnx2_setup_phy(bp, bp->phy_port);
b6016b76 6633
c770a65c 6634 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6635
6636 return 0;
6637}
6638
6639static u32
6640bnx2_get_rx_csum(struct net_device *dev)
6641{
972ec0d4 6642 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6643
6644 return bp->rx_csum;
6645}
6646
6647static int
6648bnx2_set_rx_csum(struct net_device *dev, u32 data)
6649{
972ec0d4 6650 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6651
6652 bp->rx_csum = data;
6653 return 0;
6654}
6655
b11d6213
MC		 6656static int
6657bnx2_set_tso(struct net_device *dev, u32 data)
6658{
4666f87a
MC		 6659 struct bnx2 *bp = netdev_priv(dev);
6660
6661 if (data) {
b11d6213 6662 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
4666f87a
MC		 6663 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6664 dev->features |= NETIF_F_TSO6;
6665 } else
6666 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6667 NETIF_F_TSO_ECN);
b11d6213
MC		 6668 return 0;
6669}
6670
cea94db9 6671#define BNX2_NUM_STATS 46
b6016b76 6672
14ab9b86 6673static struct {
b6016b76
MC		 6674 char string[ETH_GSTRING_LEN];
6675} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6676 { "rx_bytes" },
6677 { "rx_error_bytes" },
6678 { "tx_bytes" },
6679 { "tx_error_bytes" },
6680 { "rx_ucast_packets" },
6681 { "rx_mcast_packets" },
6682 { "rx_bcast_packets" },
6683 { "tx_ucast_packets" },
6684 { "tx_mcast_packets" },
6685 { "tx_bcast_packets" },
6686 { "tx_mac_errors" },
6687 { "tx_carrier_errors" },
6688 { "rx_crc_errors" },
6689 { "rx_align_errors" },
6690 { "tx_single_collisions" },
6691 { "tx_multi_collisions" },
6692 { "tx_deferred" },
6693 { "tx_excess_collisions" },
6694 { "tx_late_collisions" },
6695 { "tx_total_collisions" },
6696 { "rx_fragments" },
6697 { "rx_jabbers" },
6698 { "rx_undersize_packets" },
6699 { "rx_oversize_packets" },
6700 { "rx_64_byte_packets" },
6701 { "rx_65_to_127_byte_packets" },
6702 { "rx_128_to_255_byte_packets" },
6703 { "rx_256_to_511_byte_packets" },
6704 { "rx_512_to_1023_byte_packets" },
6705 { "rx_1024_to_1522_byte_packets" },
6706 { "rx_1523_to_9022_byte_packets" },
6707 { "tx_64_byte_packets" },
6708 { "tx_65_to_127_byte_packets" },
6709 { "tx_128_to_255_byte_packets" },
6710 { "tx_256_to_511_byte_packets" },
6711 { "tx_512_to_1023_byte_packets" },
6712 { "tx_1024_to_1522_byte_packets" },
6713 { "tx_1523_to_9022_byte_packets" },
6714 { "rx_xon_frames" },
6715 { "rx_xoff_frames" },
6716 { "tx_xon_frames" },
6717 { "tx_xoff_frames" },
6718 { "rx_mac_ctrl_frames" },
6719 { "rx_filtered_packets" },
6720 { "rx_discards" },
cea94db9 6721 { "rx_fw_discards" },
b6016b76
MC		 6722};
6723
6724#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6725
f71e1309 6726static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 6727 STATS_OFFSET32(stat_IfHCInOctets_hi),
6728 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6729 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6730 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6731 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6732 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6733 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6734 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6735 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6736 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6737 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6aa20a22
JG		 6738 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6739 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6740 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6741 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6742 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6743 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6744 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6745 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6746 STATS_OFFSET32(stat_EtherStatsCollisions),
6747 STATS_OFFSET32(stat_EtherStatsFragments),
6748 STATS_OFFSET32(stat_EtherStatsJabbers),
6749 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6750 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6751 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6752 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6753 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6754 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6755 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6756 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6757 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6758 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6759 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6760 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6761 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6762 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6763 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6764 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6765 STATS_OFFSET32(stat_XonPauseFramesReceived),
6766 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6767 STATS_OFFSET32(stat_OutXonSent),
6768 STATS_OFFSET32(stat_OutXoffSent),
6769 STATS_OFFSET32(stat_MacControlFramesReceived),
6770 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6771 STATS_OFFSET32(stat_IfInMBUFDiscards),
cea94db9 6772 STATS_OFFSET32(stat_FwRxDrop),
b6016b76
MC		 6773};
6774
6775/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6776 * skipped because of errata.
6aa20a22 6777 */
14ab9b86 6778static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 6779 8,0,8,8,8,8,8,8,8,8,
6780 4,0,4,4,4,4,4,4,4,4,
6781 4,4,4,4,4,4,4,4,4,4,
6782 4,4,4,4,4,4,4,4,4,4,
cea94db9 6783 4,4,4,4,4,4,
b6016b76
MC		 6784};
6785
5b0c76ad
MC		 6786static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6787 8,0,8,8,8,8,8,8,8,8,
6788 4,4,4,4,4,4,4,4,4,4,
6789 4,4,4,4,4,4,4,4,4,4,
6790 4,4,4,4,4,4,4,4,4,4,
cea94db9 6791 4,4,4,4,4,4,
5b0c76ad
MC		 6792};
6793
b6016b76
MC		 6794#define BNX2_NUM_TESTS 6
6795
14ab9b86 6796static struct {
b6016b76
MC		 6797 char string[ETH_GSTRING_LEN];
6798} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6799 { "register_test (offline)" },
6800 { "memory_test (offline)" },
6801 { "loopback_test (offline)" },
6802 { "nvram_test (online)" },
6803 { "interrupt_test (online)" },
6804 { "link_test (online)" },
6805};
6806
6807static int
b9f2c044 6808bnx2_get_sset_count(struct net_device *dev, int sset)
b6016b76 6809{
b9f2c044
JG		 6810 switch (sset) {
6811 case ETH_SS_TEST:
6812 return BNX2_NUM_TESTS;
6813 case ETH_SS_STATS:
6814 return BNX2_NUM_STATS;
6815 default:
6816 return -EOPNOTSUPP;
6817 }
b6016b76
MC		 6818}
6819
6820static void
6821bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6822{
972ec0d4 6823 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6824
6825 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6826 if (etest->flags & ETH_TEST_FL_OFFLINE) {
80be4434
MC		 6827 int i;
6828
b6016b76
MC		 6829 bnx2_netif_stop(bp);
6830 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6831 bnx2_free_skbs(bp);
6832
6833 if (bnx2_test_registers(bp) != 0) {
6834 buf[0] = 1;
6835 etest->flags |= ETH_TEST_FL_FAILED;
6836 }
6837 if (bnx2_test_memory(bp) != 0) {
6838 buf[1] = 1;
6839 etest->flags |= ETH_TEST_FL_FAILED;
6840 }
bc5a0690 6841 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
b6016b76 6842 etest->flags |= ETH_TEST_FL_FAILED;
b6016b76
MC		 6843
6844 if (!netif_running(bp->dev)) {
6845 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6846 }
6847 else {
9a120bc5 6848 bnx2_init_nic(bp, 1);
b6016b76
MC		 6849 bnx2_netif_start(bp);
6850 }
6851
6852 /* wait for link up */
80be4434
MC		 6853 for (i = 0; i < 7; i++) {
6854 if (bp->link_up)
6855 break;
6856 msleep_interruptible(1000);
6857 }
b6016b76
MC		 6858 }
6859
6860 if (bnx2_test_nvram(bp) != 0) {
6861 buf[3] = 1;
6862 etest->flags |= ETH_TEST_FL_FAILED;
6863 }
6864 if (bnx2_test_intr(bp) != 0) {
6865 buf[4] = 1;
6866 etest->flags |= ETH_TEST_FL_FAILED;
6867 }
6868
6869 if (bnx2_test_link(bp) != 0) {
6870 buf[5] = 1;
6871 etest->flags |= ETH_TEST_FL_FAILED;
6872
6873 }
6874}
6875
6876static void
6877bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6878{
6879 switch (stringset) {
6880 case ETH_SS_STATS:
6881 memcpy(buf, bnx2_stats_str_arr,
6882 sizeof(bnx2_stats_str_arr));
6883 break;
6884 case ETH_SS_TEST:
6885 memcpy(buf, bnx2_tests_str_arr,
6886 sizeof(bnx2_tests_str_arr));
6887 break;
6888 }
6889}
6890
b6016b76
MC		 6891static void
6892bnx2_get_ethtool_stats(struct net_device *dev,
6893 struct ethtool_stats *stats, u64 *buf)
6894{
972ec0d4 6895 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6896 int i;
6897 u32 *hw_stats = (u32 *) bp->stats_blk;
14ab9b86 6898 u8 *stats_len_arr = NULL;
b6016b76
MC		 6899
6900 if (hw_stats == NULL) {
6901 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6902 return;
6903 }
6904
5b0c76ad
MC		 6905 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6906 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6907 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6908 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76 6909 stats_len_arr = bnx2_5706_stats_len_arr;
5b0c76ad
MC		 6910 else
6911 stats_len_arr = bnx2_5708_stats_len_arr;
b6016b76
MC		 6912
6913 for (i = 0; i < BNX2_NUM_STATS; i++) {
6914 if (stats_len_arr[i] == 0) {
6915 /* skip this counter */
6916 buf[i] = 0;
6917 continue;
6918 }
6919 if (stats_len_arr[i] == 4) {
6920 /* 4-byte counter */
6921 buf[i] = (u64)
6922 *(hw_stats + bnx2_stats_offset_arr[i]);
6923 continue;
6924 }
6925 /* 8-byte counter */
6926 buf[i] = (((u64) *(hw_stats +
6927 bnx2_stats_offset_arr[i])) << 32) +
6928 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6929 }
6930}
6931
6932static int
6933bnx2_phys_id(struct net_device *dev, u32 data)
6934{
972ec0d4 6935 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6936 int i;
6937 u32 save;
6938
6939 if (data == 0)
6940 data = 2;
6941
6942 save = REG_RD(bp, BNX2_MISC_CFG);
6943 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6944
6945 for (i = 0; i < (data * 2); i++) {
6946 if ((i % 2) == 0) {
6947 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6948 }
6949 else {
6950 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6951 BNX2_EMAC_LED_1000MB_OVERRIDE |
6952 BNX2_EMAC_LED_100MB_OVERRIDE |
6953 BNX2_EMAC_LED_10MB_OVERRIDE |
6954 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6955 BNX2_EMAC_LED_TRAFFIC);
6956 }
6957 msleep_interruptible(500);
6958 if (signal_pending(current))
6959 break;
6960 }
6961 REG_WR(bp, BNX2_EMAC_LED, 0);
6962 REG_WR(bp, BNX2_MISC_CFG, save);
6963 return 0;
6964}
6965
4666f87a
MC		 6966static int
6967bnx2_set_tx_csum(struct net_device *dev, u32 data)
6968{
6969 struct bnx2 *bp = netdev_priv(dev);
6970
6971 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6460d948 6972 return (ethtool_op_set_tx_ipv6_csum(dev, data));
4666f87a
MC		 6973 else
6974 return (ethtool_op_set_tx_csum(dev, data));
6975}
6976
7282d491 6977static const struct ethtool_ops bnx2_ethtool_ops = {
b6016b76
MC		 6978 .get_settings = bnx2_get_settings,
6979 .set_settings = bnx2_set_settings,
6980 .get_drvinfo = bnx2_get_drvinfo,
244ac4f4
MC		 6981 .get_regs_len = bnx2_get_regs_len,
6982 .get_regs = bnx2_get_regs,
b6016b76
MC		 6983 .get_wol = bnx2_get_wol,
6984 .set_wol = bnx2_set_wol,
6985 .nway_reset = bnx2_nway_reset,
6986 .get_link = ethtool_op_get_link,
6987 .get_eeprom_len = bnx2_get_eeprom_len,
6988 .get_eeprom = bnx2_get_eeprom,
6989 .set_eeprom = bnx2_set_eeprom,
6990 .get_coalesce = bnx2_get_coalesce,
6991 .set_coalesce = bnx2_set_coalesce,
6992 .get_ringparam = bnx2_get_ringparam,
6993 .set_ringparam = bnx2_set_ringparam,
6994 .get_pauseparam = bnx2_get_pauseparam,
6995 .set_pauseparam = bnx2_set_pauseparam,
6996 .get_rx_csum = bnx2_get_rx_csum,
6997 .set_rx_csum = bnx2_set_rx_csum,
4666f87a 6998 .set_tx_csum = bnx2_set_tx_csum,
b6016b76 6999 .set_sg = ethtool_op_set_sg,
b11d6213 7000 .set_tso = bnx2_set_tso,
b6016b76
MC		 7001 .self_test = bnx2_self_test,
7002 .get_strings = bnx2_get_strings,
7003 .phys_id = bnx2_phys_id,
b6016b76 7004 .get_ethtool_stats = bnx2_get_ethtool_stats,
b9f2c044 7005 .get_sset_count = bnx2_get_sset_count,
b6016b76
MC		 7006};
7007
7008/* Called with rtnl_lock */
7009static int
7010bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7011{
14ab9b86 7012 struct mii_ioctl_data *data = if_mii(ifr);
972ec0d4 7013 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7014 int err;
7015
7016 switch(cmd) {
7017 case SIOCGMIIPHY:
7018 data->phy_id = bp->phy_addr;
7019
7020 /* fallthru */
7021 case SIOCGMIIREG: {
7022 u32 mii_regval;
7023
583c28e5 7024 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC		 7025 return -EOPNOTSUPP;
7026
dad3e452
MC		 7027 if (!netif_running(dev))
7028 return -EAGAIN;
7029
c770a65c 7030 spin_lock_bh(&bp->phy_lock);
b6016b76 7031 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 7032 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 7033
7034 data->val_out = mii_regval;
7035
7036 return err;
7037 }
7038
7039 case SIOCSMIIREG:
7040 if (!capable(CAP_NET_ADMIN))
7041 return -EPERM;
7042
583c28e5 7043 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC		 7044 return -EOPNOTSUPP;
7045
dad3e452
MC		 7046 if (!netif_running(dev))
7047 return -EAGAIN;
7048
c770a65c 7049 spin_lock_bh(&bp->phy_lock);
b6016b76 7050 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 7051 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 7052
7053 return err;
7054
7055 default:
7056 /* do nothing */
7057 break;
7058 }
7059 return -EOPNOTSUPP;
7060}
7061
7062/* Called with rtnl_lock */
7063static int
7064bnx2_change_mac_addr(struct net_device *dev, void *p)
7065{
7066 struct sockaddr *addr = p;
972ec0d4 7067 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7068
73eef4cd
MC		 7069 if (!is_valid_ether_addr(addr->sa_data))
7070 return -EINVAL;
7071
b6016b76
MC		 7072 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7073 if (netif_running(dev))
7074 bnx2_set_mac_addr(bp);
7075
7076 return 0;
7077}
7078
7079/* Called with rtnl_lock */
7080static int
7081bnx2_change_mtu(struct net_device *dev, int new_mtu)
7082{
972ec0d4 7083 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7084
7085 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7086 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7087 return -EINVAL;
7088
7089 dev->mtu = new_mtu;
5d5d0015 7090 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
b6016b76
MC		 7091}
7092
7093#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7094static void
7095poll_bnx2(struct net_device *dev)
7096{
972ec0d4 7097 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7098
7099 disable_irq(bp->pdev->irq);
7d12e780 7100 bnx2_interrupt(bp->pdev->irq, dev);
b6016b76
MC		 7101 enable_irq(bp->pdev->irq);
7102}
7103#endif
7104
253c8b75
MC		 7105static void __devinit
7106bnx2_get_5709_media(struct bnx2 *bp)
7107{
7108 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7109 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7110 u32 strap;
7111
7112 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7113 return;
7114 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
583c28e5 7115 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7116 return;
7117 }
7118
7119 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7120 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7121 else
7122 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7123
7124 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7125 switch (strap) {
7126 case 0x4:
7127 case 0x5:
7128 case 0x6:
583c28e5 7129 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7130 return;
7131 }
7132 } else {
7133 switch (strap) {
7134 case 0x1:
7135 case 0x2:
7136 case 0x4:
583c28e5 7137 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7138 return;
7139 }
7140 }
7141}
7142
883e5151
MC		 7143static void __devinit
7144bnx2_get_pci_speed(struct bnx2 *bp)
7145{
7146 u32 reg;
7147
7148 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7149 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7150 u32 clkreg;
7151
f86e82fb 7152 bp->flags |= BNX2_FLAG_PCIX;
883e5151
MC		 7153
7154 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7155
7156 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7157 switch (clkreg) {
7158 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7159 bp->bus_speed_mhz = 133;
7160 break;
7161
7162 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7163 bp->bus_speed_mhz = 100;
7164 break;
7165
7166 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7167 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7168 bp->bus_speed_mhz = 66;
7169 break;
7170
7171 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7172 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7173 bp->bus_speed_mhz = 50;
7174 break;
7175
7176 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7177 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7178 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7179 bp->bus_speed_mhz = 33;
7180 break;
7181 }
7182 }
7183 else {
7184 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7185 bp->bus_speed_mhz = 66;
7186 else
7187 bp->bus_speed_mhz = 33;
7188 }
7189
7190 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
f86e82fb 7191 bp->flags |= BNX2_FLAG_PCI_32BIT;
883e5151
MC		 7192
7193}
7194
b6016b76
MC		 7195static int __devinit
7196bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7197{
7198 struct bnx2 *bp;
7199 unsigned long mem_len;
58fc2ea4 7200 int rc, i, j;
b6016b76 7201 u32 reg;
40453c83 7202 u64 dma_mask, persist_dma_mask;
b6016b76 7203
b6016b76 7204 SET_NETDEV_DEV(dev, &pdev->dev);
972ec0d4 7205 bp = netdev_priv(dev);
b6016b76
MC		 7206
7207 bp->flags = 0;
7208 bp->phy_flags = 0;
7209
7210 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7211 rc = pci_enable_device(pdev);
7212 if (rc) {
898eb71c 7213 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
b6016b76
MC		 7214 goto err_out;
7215 }
7216
7217 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9b91cf9d 7218 dev_err(&pdev->dev,
2e8a538d 7219 "Cannot find PCI device base address, aborting.\n");
b6016b76
MC		 7220 rc = -ENODEV;
7221 goto err_out_disable;
7222 }
7223
7224 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7225 if (rc) {
9b91cf9d 7226 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
b6016b76
MC		 7227 goto err_out_disable;
7228 }
7229
7230 pci_set_master(pdev);
6ff2da49 7231 pci_save_state(pdev);
b6016b76
MC		 7232
7233 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7234 if (bp->pm_cap == 0) {
9b91cf9d 7235 dev_err(&pdev->dev,
2e8a538d 7236 "Cannot find power management capability, aborting.\n");
b6016b76
MC		 7237 rc = -EIO;
7238 goto err_out_release;
7239 }
7240
b6016b76
MC		 7241 bp->dev = dev;
7242 bp->pdev = pdev;
7243
7244 spin_lock_init(&bp->phy_lock);
1b8227c4 7245 spin_lock_init(&bp->indirect_lock);
c4028958 7246 INIT_WORK(&bp->reset_task, bnx2_reset_task);
b6016b76
MC		 7247
7248 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
59b47d8a 7249 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
b6016b76
MC		 7250 dev->mem_end = dev->mem_start + mem_len;
7251 dev->irq = pdev->irq;
7252
7253 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7254
7255 if (!bp->regview) {
9b91cf9d 7256 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
b6016b76
MC		 7257 rc = -ENOMEM;
7258 goto err_out_release;
7259 }
7260
7261 /* Configure byte swap and enable write to the reg_window registers.
7262 * Rely on CPU to do target byte swapping on big endian systems
7263 * The chip's target access swapping will not swap all accesses
7264 */
7265 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7266 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7267 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7268
829ca9a3 7269 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 7270
7271 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7272
883e5151
MC		 7273 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7274 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7275 dev_err(&pdev->dev,
7276 "Cannot find PCIE capability, aborting.\n");
7277 rc = -EIO;
7278 goto err_out_unmap;
7279 }
f86e82fb 7280 bp->flags |= BNX2_FLAG_PCIE;
2dd201d7 7281 if (CHIP_REV(bp) == CHIP_REV_Ax)
f86e82fb 7282 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
883e5151 7283 } else {
59b47d8a
MC		 7284 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7285 if (bp->pcix_cap == 0) {
7286 dev_err(&pdev->dev,
7287 "Cannot find PCIX capability, aborting.\n");
7288 rc = -EIO;
7289 goto err_out_unmap;
7290 }
7291 }
7292
b4b36042
MC		 7293 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7294 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
f86e82fb 7295 bp->flags |= BNX2_FLAG_MSIX_CAP;
b4b36042
MC		 7296 }
7297
8e6a72c4
MC		 7298 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7299 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
f86e82fb 7300 bp->flags |= BNX2_FLAG_MSI_CAP;
8e6a72c4
MC		 7301 }
7302
40453c83
MC		 7303 /* 5708 cannot support DMA addresses > 40-bit. */
7304 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7305 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7306 else
7307 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7308
7309 /* Configure DMA attributes. */
7310 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7311 dev->features |= NETIF_F_HIGHDMA;
7312 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7313 if (rc) {
7314 dev_err(&pdev->dev,
7315 "pci_set_consistent_dma_mask failed, aborting.\n");
7316 goto err_out_unmap;
7317 }
7318 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7319 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7320 goto err_out_unmap;
7321 }
7322
f86e82fb 7323 if (!(bp->flags & BNX2_FLAG_PCIE))
883e5151 7324 bnx2_get_pci_speed(bp);
b6016b76
MC		 7325
7326 /* 5706A0 may falsely detect SERR and PERR. */
7327 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7328 reg = REG_RD(bp, PCI_COMMAND);
7329 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7330 REG_WR(bp, PCI_COMMAND, reg);
7331 }
7332 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
f86e82fb 7333 !(bp->flags & BNX2_FLAG_PCIX)) {
b6016b76 7334
9b91cf9d 7335 dev_err(&pdev->dev,
2e8a538d 7336 "5706 A1 can only be used in a PCIX bus, aborting.\n");
b6016b76
MC		 7337 goto err_out_unmap;
7338 }
7339
7340 bnx2_init_nvram(bp);
7341
2726d6e1 7342 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
e3648b3d
MC		 7343
7344 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
24cb230b
MC		 7345 BNX2_SHM_HDR_SIGNATURE_SIG) {
7346 u32 off = PCI_FUNC(pdev->devfn) << 2;
7347
2726d6e1 7348 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
24cb230b 7349 } else
e3648b3d
MC		 7350 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7351
b6016b76
MC		 7352 /* Get the permanent MAC address. First we need to make sure the
7353 * firmware is actually running.
7354 */
2726d6e1 7355 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
b6016b76
MC		 7356
7357 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7358 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
9b91cf9d 7359 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
b6016b76
MC		 7360 rc = -ENODEV;
7361 goto err_out_unmap;
7362 }
7363
2726d6e1 7364 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
58fc2ea4
MC		 7365 for (i = 0, j = 0; i < 3; i++) {
7366 u8 num, k, skip0;
7367
7368 num = (u8) (reg >> (24 - (i * 8)));
7369 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7370 if (num >= k || !skip0 || k == 1) {
7371 bp->fw_version[j++] = (num / k) + '0';
7372 skip0 = 0;
7373 }
7374 }
7375 if (i != 2)
7376 bp->fw_version[j++] = '.';
7377 }
2726d6e1 7378 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
846f5c62
MC		 7379 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7380 bp->wol = 1;
7381
7382 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
f86e82fb 7383 bp->flags |= BNX2_FLAG_ASF_ENABLE;
c2d3db8c
MC		 7384
7385 for (i = 0; i < 30; i++) {
2726d6e1 7386 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
c2d3db8c
MC		 7387 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7388 break;
7389 msleep(10);
7390 }
7391 }
2726d6e1 7392 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
58fc2ea4
MC		 7393 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7394 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7395 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7396 int i;
2726d6e1 7397 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
58fc2ea4
MC		 7398
7399 bp->fw_version[j++] = ' ';
7400 for (i = 0; i < 3; i++) {
2726d6e1 7401 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
58fc2ea4
MC		 7402 reg = swab32(reg);
7403 memcpy(&bp->fw_version[j], &reg, 4);
7404 j += 4;
7405 }
7406 }
b6016b76 7407
2726d6e1 7408 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
b6016b76
MC		 7409 bp->mac_addr[0] = (u8) (reg >> 8);
7410 bp->mac_addr[1] = (u8) reg;
7411
2726d6e1 7412 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
b6016b76
MC		 7413 bp->mac_addr[2] = (u8) (reg >> 24);
7414 bp->mac_addr[3] = (u8) (reg >> 16);
7415 bp->mac_addr[4] = (u8) (reg >> 8);
7416 bp->mac_addr[5] = (u8) reg;
7417
7418 bp->tx_ring_size = MAX_TX_DESC_CNT;
932f3772 7419 bnx2_set_rx_ring_size(bp, 255);
b6016b76
MC		 7420
7421 bp->rx_csum = 1;
7422
b6016b76
MC		 7423 bp->tx_quick_cons_trip_int = 20;
7424 bp->tx_quick_cons_trip = 20;
7425 bp->tx_ticks_int = 80;
7426 bp->tx_ticks = 80;
6aa20a22 7427
b6016b76
MC		 7428 bp->rx_quick_cons_trip_int = 6;
7429 bp->rx_quick_cons_trip = 6;
7430 bp->rx_ticks_int = 18;
7431 bp->rx_ticks = 18;
7432
7ea6920e 7433 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76
MC		 7434
7435 bp->timer_interval = HZ;
cd339a0e 7436 bp->current_interval = HZ;
b6016b76 7437
5b0c76ad
MC		 7438 bp->phy_addr = 1;
7439
b6016b76 7440 /* Disable WOL support if we are running on a SERDES chip. */
253c8b75
MC		 7441 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7442 bnx2_get_5709_media(bp);
7443 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
583c28e5 7444 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
bac0dff6 7445
0d8a6571 7446 bp->phy_port = PORT_TP;
583c28e5 7447 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
0d8a6571 7448 bp->phy_port = PORT_FIBRE;
2726d6e1 7449 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
846f5c62 7450 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
f86e82fb 7451 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC		 7452 bp->wol = 0;
7453 }
38ea3686
MC		 7454 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7455 /* Don't do parallel detect on this board because of
7456 * some board problems. The link will not go down
7457 * if we do parallel detect.
7458 */
7459 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7460 pdev->subsystem_device == 0x310c)
7461 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7462 } else {
5b0c76ad 7463 bp->phy_addr = 2;
5b0c76ad 7464 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
583c28e5 7465 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
5b0c76ad 7466 }
0d8a6571
MC		 7467 bnx2_init_remote_phy(bp);
7468
261dd5ca
MC		 7469 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7470 CHIP_NUM(bp) == CHIP_NUM_5708)
583c28e5 7471 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
fb0c18bd
MC		 7472 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7473 (CHIP_REV(bp) == CHIP_REV_Ax ||
7474 CHIP_REV(bp) == CHIP_REV_Bx))
583c28e5 7475 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
b6016b76 7476
16088272
MC		 7477 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7478 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
846f5c62 7479 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
f86e82fb 7480 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC		 7481 bp->wol = 0;
7482 }
dda1e390 7483
b6016b76
MC		 7484 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7485 bp->tx_quick_cons_trip_int =
7486 bp->tx_quick_cons_trip;
7487 bp->tx_ticks_int = bp->tx_ticks;
7488 bp->rx_quick_cons_trip_int =
7489 bp->rx_quick_cons_trip;
7490 bp->rx_ticks_int = bp->rx_ticks;
7491 bp->comp_prod_trip_int = bp->comp_prod_trip;
7492 bp->com_ticks_int = bp->com_ticks;
7493 bp->cmd_ticks_int = bp->cmd_ticks;
7494 }
7495
f9317a40
MC		 7496 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7497 *
7498 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7499 * with byte enables disabled on the unused 32-bit word. This is legal
7500 * but causes problems on the AMD 8132 which will eventually stop
7501 * responding after a while.
7502 *
7503 * AMD believes this incompatibility is unique to the 5706, and
88187dfa 7504 * prefers to locally disable MSI rather than globally disabling it.
f9317a40
MC		 7505 */
7506 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7507 struct pci_dev *amd_8132 = NULL;
7508
7509 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7510 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7511 amd_8132))) {
f9317a40 7512
44c10138
AK		 7513 if (amd_8132->revision >= 0x10 &&
7514 amd_8132->revision <= 0x13) {
f9317a40
MC		 7515 disable_msi = 1;
7516 pci_dev_put(amd_8132);
7517 break;
7518 }
7519 }
7520 }
7521
deaf391b 7522 bnx2_set_default_link(bp);
b6016b76
MC		 7523 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7524
cd339a0e
MC		 7525 init_timer(&bp->timer);
7526 bp->timer.expires = RUN_AT(bp->timer_interval);
7527 bp->timer.data = (unsigned long) bp;
7528 bp->timer.function = bnx2_timer;
7529
b6016b76
MC		 7530 return 0;
7531
7532err_out_unmap:
7533 if (bp->regview) {
7534 iounmap(bp->regview);
73eef4cd 7535 bp->regview = NULL;
b6016b76
MC		 7536 }
7537
7538err_out_release:
7539 pci_release_regions(pdev);
7540
7541err_out_disable:
7542 pci_disable_device(pdev);
7543 pci_set_drvdata(pdev, NULL);
7544
7545err_out:
7546 return rc;
7547}
7548
883e5151
MC		 7549static char * __devinit
7550bnx2_bus_string(struct bnx2 *bp, char *str)
7551{
7552 char *s = str;
7553
f86e82fb 7554 if (bp->flags & BNX2_FLAG_PCIE) {
883e5151
MC		 7555 s += sprintf(s, "PCI Express");
7556 } else {
7557 s += sprintf(s, "PCI");
f86e82fb 7558 if (bp->flags & BNX2_FLAG_PCIX)
883e5151 7559 s += sprintf(s, "-X");
f86e82fb 7560 if (bp->flags & BNX2_FLAG_PCI_32BIT)
883e5151
MC		 7561 s += sprintf(s, " 32-bit");
7562 else
7563 s += sprintf(s, " 64-bit");
7564 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7565 }
7566 return str;
7567}
7568
2ba582b7 7569static void __devinit
35efa7c1
MC		 7570bnx2_init_napi(struct bnx2 *bp)
7571{
b4b36042 7572 int i;
35efa7c1 7573
b4b36042 7574 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
35e9010b
MC		 7575 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7576 int (*poll)(struct napi_struct *, int);
7577
7578 if (i == 0)
7579 poll = bnx2_poll;
7580 else
f0ea2e63 7581 poll = bnx2_poll_msix;
35e9010b
MC		 7582
7583 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
b4b36042
MC		 7584 bnapi->bp = bp;
7585 }
35efa7c1
MC		 7586}
7587
b6016b76
MC		 7588static int __devinit
7589bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7590{
7591 static int version_printed = 0;
7592 struct net_device *dev = NULL;
7593 struct bnx2 *bp;
0795af57 7594 int rc;
883e5151 7595 char str[40];
0795af57 7596 DECLARE_MAC_BUF(mac);
b6016b76
MC		 7597
7598 if (version_printed++ == 0)
7599 printk(KERN_INFO "%s", version);
7600
7601 /* dev zeroed in init_etherdev */
7602 dev = alloc_etherdev(sizeof(*bp));
7603
7604 if (!dev)
7605 return -ENOMEM;
7606
7607 rc = bnx2_init_board(pdev, dev);
7608 if (rc < 0) {
7609 free_netdev(dev);
7610 return rc;
7611 }
7612
7613 dev->open = bnx2_open;
7614 dev->hard_start_xmit = bnx2_start_xmit;
7615 dev->stop = bnx2_close;
7616 dev->get_stats = bnx2_get_stats;
7617 dev->set_multicast_list = bnx2_set_rx_mode;
7618 dev->do_ioctl = bnx2_ioctl;
7619 dev->set_mac_address = bnx2_change_mac_addr;
7620 dev->change_mtu = bnx2_change_mtu;
7621 dev->tx_timeout = bnx2_tx_timeout;
7622 dev->watchdog_timeo = TX_TIMEOUT;
7623#ifdef BCM_VLAN
7624 dev->vlan_rx_register = bnx2_vlan_rx_register;
b6016b76 7625#endif
b6016b76 7626 dev->ethtool_ops = &bnx2_ethtool_ops;
b6016b76 7627
972ec0d4 7628 bp = netdev_priv(dev);
35efa7c1 7629 bnx2_init_napi(bp);
b6016b76
MC		 7630
7631#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7632 dev->poll_controller = poll_bnx2;
7633#endif
7634
1b2f922f
MC		 7635 pci_set_drvdata(pdev, dev);
7636
7637 memcpy(dev->dev_addr, bp->mac_addr, 6);
7638 memcpy(dev->perm_addr, bp->mac_addr, 6);
7639 bp->name = board_info[ent->driver_data].name;
7640
d212f87b 7641 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
4666f87a 7642 if (CHIP_NUM(bp) == CHIP_NUM_5709)
d212f87b
SH		 7643 dev->features |= NETIF_F_IPV6_CSUM;
7644
1b2f922f
MC		 7645#ifdef BCM_VLAN
7646 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7647#endif
7648 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
4666f87a
MC		 7649 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7650 dev->features |= NETIF_F_TSO6;
1b2f922f 7651
b6016b76 7652 if ((rc = register_netdev(dev))) {
9b91cf9d 7653 dev_err(&pdev->dev, "Cannot register net device\n");
b6016b76
MC		 7654 if (bp->regview)
7655 iounmap(bp->regview);
7656 pci_release_regions(pdev);
7657 pci_disable_device(pdev);
7658 pci_set_drvdata(pdev, NULL);
7659 free_netdev(dev);
7660 return rc;
7661 }
7662
883e5151 7663 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
0795af57 7664 "IRQ %d, node addr %s\n",
b6016b76
MC		 7665 dev->name,
7666 bp->name,
7667 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7668 ((CHIP_ID(bp) & 0x0ff0) >> 4),
883e5151 7669 bnx2_bus_string(bp, str),
b6016b76 7670 dev->base_addr,
0795af57 7671 bp->pdev->irq, print_mac(mac, dev->dev_addr));
b6016b76 7672
b6016b76
MC		 7673 return 0;
7674}
7675
7676static void __devexit
7677bnx2_remove_one(struct pci_dev *pdev)
7678{
7679 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 7680 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7681
afdc08b9
MC		 7682 flush_scheduled_work();
7683
b6016b76
MC		 7684 unregister_netdev(dev);
7685
7686 if (bp->regview)
7687 iounmap(bp->regview);
7688
7689 free_netdev(dev);
7690 pci_release_regions(pdev);
7691 pci_disable_device(pdev);
7692 pci_set_drvdata(pdev, NULL);
7693}
7694
7695static int
829ca9a3 7696bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
b6016b76
MC		 7697{
7698 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 7699 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7700 u32 reset_code;
7701
6caebb02
MC		 7702 /* PCI register 4 needs to be saved whether netif_running() or not.
7703 * MSI address and data need to be saved if using MSI and
7704 * netif_running().
7705 */
7706 pci_save_state(pdev);
b6016b76
MC		 7707 if (!netif_running(dev))
7708 return 0;
7709
1d60290f 7710 flush_scheduled_work();
b6016b76
MC		 7711 bnx2_netif_stop(bp);
7712 netif_device_detach(dev);
7713 del_timer_sync(&bp->timer);
f86e82fb 7714 if (bp->flags & BNX2_FLAG_NO_WOL)
6c4f095e 7715 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
dda1e390 7716 else if (bp->wol)
b6016b76
MC		 7717 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7718 else
7719 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7720 bnx2_reset_chip(bp, reset_code);
7721 bnx2_free_skbs(bp);
829ca9a3 7722 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
b6016b76
MC		 7723 return 0;
7724}
7725
7726static int
7727bnx2_resume(struct pci_dev *pdev)
7728{
7729 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 7730 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7731
6caebb02 7732 pci_restore_state(pdev);
b6016b76
MC		 7733 if (!netif_running(dev))
7734 return 0;
7735
829ca9a3 7736 bnx2_set_power_state(bp, PCI_D0);
b6016b76 7737 netif_device_attach(dev);
9a120bc5 7738 bnx2_init_nic(bp, 1);
b6016b76
MC		 7739 bnx2_netif_start(bp);
7740 return 0;
7741}
7742
6ff2da49
WX		 7743/**
7744 * bnx2_io_error_detected - called when PCI error is detected
7745 * @pdev: Pointer to PCI device
7746 * @state: The current pci connection state
7747 *
7748 * This function is called after a PCI bus error affecting
7749 * this device has been detected.
7750 */
7751static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7752 pci_channel_state_t state)
7753{
7754 struct net_device *dev = pci_get_drvdata(pdev);
7755 struct bnx2 *bp = netdev_priv(dev);
7756
7757 rtnl_lock();
7758 netif_device_detach(dev);
7759
7760 if (netif_running(dev)) {
7761 bnx2_netif_stop(bp);
7762 del_timer_sync(&bp->timer);
7763 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7764 }
7765
7766 pci_disable_device(pdev);
7767 rtnl_unlock();
7768
7769 /* Request a slot slot reset. */
7770 return PCI_ERS_RESULT_NEED_RESET;
7771}
7772
7773/**
7774 * bnx2_io_slot_reset - called after the pci bus has been reset.
7775 * @pdev: Pointer to PCI device
7776 *
7777 * Restart the card from scratch, as if from a cold-boot.
7778 */
7779static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7780{
7781 struct net_device *dev = pci_get_drvdata(pdev);
7782 struct bnx2 *bp = netdev_priv(dev);
7783
7784 rtnl_lock();
7785 if (pci_enable_device(pdev)) {
7786 dev_err(&pdev->dev,
7787 "Cannot re-enable PCI device after reset.\n");
7788 rtnl_unlock();
7789 return PCI_ERS_RESULT_DISCONNECT;
7790 }
7791 pci_set_master(pdev);
7792 pci_restore_state(pdev);
7793
7794 if (netif_running(dev)) {
7795 bnx2_set_power_state(bp, PCI_D0);
7796 bnx2_init_nic(bp, 1);
7797 }
7798
7799 rtnl_unlock();
7800 return PCI_ERS_RESULT_RECOVERED;
7801}
7802
7803/**
7804 * bnx2_io_resume - called when traffic can start flowing again.
7805 * @pdev: Pointer to PCI device
7806 *
7807 * This callback is called when the error recovery driver tells us that
7808 * its OK to resume normal operation.
7809 */
7810static void bnx2_io_resume(struct pci_dev *pdev)
7811{
7812 struct net_device *dev = pci_get_drvdata(pdev);
7813 struct bnx2 *bp = netdev_priv(dev);
7814
7815 rtnl_lock();
7816 if (netif_running(dev))
7817 bnx2_netif_start(bp);
7818
7819 netif_device_attach(dev);
7820 rtnl_unlock();
7821}
7822
7823static struct pci_error_handlers bnx2_err_handler = {
7824 .error_detected = bnx2_io_error_detected,
7825 .slot_reset = bnx2_io_slot_reset,
7826 .resume = bnx2_io_resume,
7827};
7828
b6016b76 7829static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH		 7830 .name = DRV_MODULE_NAME,
7831 .id_table = bnx2_pci_tbl,
7832 .probe = bnx2_init_one,
7833 .remove = __devexit_p(bnx2_remove_one),
7834 .suspend = bnx2_suspend,
7835 .resume = bnx2_resume,
6ff2da49 7836 .err_handler = &bnx2_err_handler,
b6016b76
MC		 7837};
7838
7839static int __init bnx2_init(void)
7840{
29917620 7841 return pci_register_driver(&bnx2_pci_driver);
b6016b76
MC		 7842}
7843
7844static void __exit bnx2_cleanup(void)
7845{
7846 pci_unregister_driver(&bnx2_pci_driver);
7847}
7848
7849module_init(bnx2_init);
7850module_exit(bnx2_cleanup);
7851
7852
7853
Linux kernel - Deliverables
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