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[linux-2.6] / drivers / net / bnx2.c
1 /* bnx2.c: Broadcom NX2 network driver.
2  *
3  * Copyright (c) 2004-2008 Broadcom Corporation
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
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>
29 #include <linux/bitops.h>
30 #include <asm/io.h>
31 #include <asm/irq.h>
32 #include <linux/delay.h>
33 #include <asm/byteorder.h>
34 #include <asm/page.h>
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
42 #include <net/ip.h>
43 #include <net/tcp.h>
44 #include <net/checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/prefetch.h>
48 #include <linux/cache.h>
49 #include <linux/zlib.h>
50
51 #include "bnx2.h"
52 #include "bnx2_fw.h"
53 #include "bnx2_fw2.h"
54
55 #define FW_BUF_SIZE             0x10000
56
57 #define DRV_MODULE_NAME         "bnx2"
58 #define PFX DRV_MODULE_NAME     ": "
59 #define DRV_MODULE_VERSION      "1.7.4"
60 #define DRV_MODULE_RELDATE      "February 18, 2008"
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
67 static char version[] __devinitdata =
68         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
69
70 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
71 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
72 MODULE_LICENSE("GPL");
73 MODULE_VERSION(DRV_MODULE_VERSION);
74
75 static int disable_msi = 0;
76
77 module_param(disable_msi, int, 0);
78 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
79
80 typedef enum {
81         BCM5706 = 0,
82         NC370T,
83         NC370I,
84         BCM5706S,
85         NC370F,
86         BCM5708,
87         BCM5708S,
88         BCM5709,
89         BCM5709S,
90 } board_t;
91
92 /* indexed by board_t, above */
93 static struct {
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" },
101         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
103         { "Broadcom NetXtreme II BCM5709 1000Base-T" },
104         { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
105         };
106
107 static 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 },
114         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
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 },
120         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
122         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
124         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
126         { 0, }
127 };
128
129 static struct flash_spec flash_table[] =
130 {
131 #define BUFFERED_FLAGS          (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132 #define NONBUFFERED_FLAGS       (BNX2_NV_WREN)
133         /* Slow EEPROM */
134         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
135          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
136          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137          "EEPROM - slow"},
138         /* Expansion entry 0001 */
139         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
140          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
141          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142          "Entry 0001"},
143         /* Saifun SA25F010 (non-buffered flash) */
144         /* strap, cfg1, & write1 need updates */
145         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
146          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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 */
151         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
152          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
153          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154          "Non-buffered flash (256kB)"},
155         /* Expansion entry 0100 */
156         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
157          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
158          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159          "Entry 0100"},
160         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
161         {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
162          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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,
167          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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,
173          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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,
178          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
179          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180          "EEPROM - fast"},
181         /* Expansion entry 1001 */
182         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
183          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
184          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185          "Entry 1001"},
186         /* Expansion entry 1010 */
187         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
188          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
189          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190          "Entry 1010"},
191         /* ATMEL AT45DB011B (buffered flash) */
192         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
193          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
194          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195          "Buffered flash (128kB)"},
196         /* Expansion entry 1100 */
197         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
198          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
199          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200          "Entry 1100"},
201         /* Expansion entry 1101 */
202         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
203          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
204          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205          "Entry 1101"},
206         /* Ateml Expansion entry 1110 */
207         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
208          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
209          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210          "Entry 1110 (Atmel)"},
211         /* ATMEL AT45DB021B (buffered flash) */
212         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
213          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
214          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215          "Buffered flash (256kB)"},
216 };
217
218 static 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
227 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
229 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
230 {
231         u32 diff;
232
233         smp_mb();
234
235         /* The ring uses 256 indices for 255 entries, one of them
236          * needs to be skipped.
237          */
238         diff = bp->tx_prod - bnapi->tx_cons;
239         if (unlikely(diff >= TX_DESC_CNT)) {
240                 diff &= 0xffff;
241                 if (diff == TX_DESC_CNT)
242                         diff = MAX_TX_DESC_CNT;
243         }
244         return (bp->tx_ring_size - diff);
245 }
246
247 static u32
248 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249 {
250         u32 val;
251
252         spin_lock_bh(&bp->indirect_lock);
253         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
254         val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255         spin_unlock_bh(&bp->indirect_lock);
256         return val;
257 }
258
259 static void
260 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261 {
262         spin_lock_bh(&bp->indirect_lock);
263         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
265         spin_unlock_bh(&bp->indirect_lock);
266 }
267
268 static void
269 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270 {
271         bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272 }
273
274 static u32
275 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276 {
277         return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278 }
279
280 static void
281 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282 {
283         offset += cid_addr;
284         spin_lock_bh(&bp->indirect_lock);
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         }
302         spin_unlock_bh(&bp->indirect_lock);
303 }
304
305 static int
306 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307 {
308         u32 val1;
309         int i, ret;
310
311         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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
349         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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
362 static int
363 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364 {
365         u32 val1;
366         int i, ret;
367
368         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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);
382
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
398         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
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
411 static void
412 bnx2_disable_int(struct bnx2 *bp)
413 {
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         }
422         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423 }
424
425 static void
426 bnx2_enable_int(struct bnx2 *bp)
427 {
428         int i;
429         struct bnx2_napi *bnapi;
430
431         for (i = 0; i < bp->irq_nvecs; i++) {
432                 bnapi = &bp->bnx2_napi[i];
433
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);
438
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         }
443         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
444 }
445
446 static void
447 bnx2_disable_int_sync(struct bnx2 *bp)
448 {
449         int i;
450
451         atomic_inc(&bp->intr_sem);
452         bnx2_disable_int(bp);
453         for (i = 0; i < bp->irq_nvecs; i++)
454                 synchronize_irq(bp->irq_tbl[i].vector);
455 }
456
457 static void
458 bnx2_napi_disable(struct bnx2 *bp)
459 {
460         int i;
461
462         for (i = 0; i < bp->irq_nvecs; i++)
463                 napi_disable(&bp->bnx2_napi[i].napi);
464 }
465
466 static void
467 bnx2_napi_enable(struct bnx2 *bp)
468 {
469         int i;
470
471         for (i = 0; i < bp->irq_nvecs; i++)
472                 napi_enable(&bp->bnx2_napi[i].napi);
473 }
474
475 static void
476 bnx2_netif_stop(struct bnx2 *bp)
477 {
478         bnx2_disable_int_sync(bp);
479         if (netif_running(bp->dev)) {
480                 bnx2_napi_disable(bp);
481                 netif_tx_disable(bp->dev);
482                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483         }
484 }
485
486 static void
487 bnx2_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);
492                         bnx2_napi_enable(bp);
493                         bnx2_enable_int(bp);
494                 }
495         }
496 }
497
498 static void
499 bnx2_free_mem(struct bnx2 *bp)
500 {
501         int i;
502
503         for (i = 0; i < bp->ctx_pages; i++) {
504                 if (bp->ctx_blk[i]) {
505                         pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
506                                             bp->ctx_blk[i],
507                                             bp->ctx_blk_mapping[i]);
508                         bp->ctx_blk[i] = NULL;
509                 }
510         }
511         if (bp->status_blk) {
512                 pci_free_consistent(bp->pdev, bp->status_stats_size,
513                                     bp->status_blk, bp->status_blk_mapping);
514                 bp->status_blk = NULL;
515                 bp->stats_blk = NULL;
516         }
517         if (bp->tx_desc_ring) {
518                 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
519                                     bp->tx_desc_ring, bp->tx_desc_mapping);
520                 bp->tx_desc_ring = NULL;
521         }
522         kfree(bp->tx_buf_ring);
523         bp->tx_buf_ring = NULL;
524         for (i = 0; i < bp->rx_max_ring; i++) {
525                 if (bp->rx_desc_ring[i])
526                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
527                                             bp->rx_desc_ring[i],
528                                             bp->rx_desc_mapping[i]);
529                 bp->rx_desc_ring[i] = NULL;
530         }
531         vfree(bp->rx_buf_ring);
532         bp->rx_buf_ring = NULL;
533         for (i = 0; i < bp->rx_max_pg_ring; i++) {
534                 if (bp->rx_pg_desc_ring[i])
535                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
536                                             bp->rx_pg_desc_ring[i],
537                                             bp->rx_pg_desc_mapping[i]);
538                 bp->rx_pg_desc_ring[i] = NULL;
539         }
540         if (bp->rx_pg_ring)
541                 vfree(bp->rx_pg_ring);
542         bp->rx_pg_ring = NULL;
543 }
544
545 static int
546 bnx2_alloc_mem(struct bnx2 *bp)
547 {
548         int i, status_blk_size;
549
550         bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
551         if (bp->tx_buf_ring == NULL)
552                 return -ENOMEM;
553
554         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
555                                                 &bp->tx_desc_mapping);
556         if (bp->tx_desc_ring == NULL)
557                 goto alloc_mem_err;
558
559         bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
560         if (bp->rx_buf_ring == NULL)
561                 goto alloc_mem_err;
562
563         memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
564
565         for (i = 0; i < bp->rx_max_ring; i++) {
566                 bp->rx_desc_ring[i] =
567                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
568                                              &bp->rx_desc_mapping[i]);
569                 if (bp->rx_desc_ring[i] == NULL)
570                         goto alloc_mem_err;
571
572         }
573
574         if (bp->rx_pg_ring_size) {
575                 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
576                                          bp->rx_max_pg_ring);
577                 if (bp->rx_pg_ring == NULL)
578                         goto alloc_mem_err;
579
580                 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
581                        bp->rx_max_pg_ring);
582         }
583
584         for (i = 0; i < bp->rx_max_pg_ring; i++) {
585                 bp->rx_pg_desc_ring[i] =
586                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
587                                              &bp->rx_pg_desc_mapping[i]);
588                 if (bp->rx_pg_desc_ring[i] == NULL)
589                         goto alloc_mem_err;
590
591         }
592
593         /* Combine status and statistics blocks into one allocation. */
594         status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
595         if (bp->flags & BNX2_FLAG_MSIX_CAP)
596                 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
597                                                  BNX2_SBLK_MSIX_ALIGN_SIZE);
598         bp->status_stats_size = status_blk_size +
599                                 sizeof(struct statistics_block);
600
601         bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
602                                               &bp->status_blk_mapping);
603         if (bp->status_blk == NULL)
604                 goto alloc_mem_err;
605
606         memset(bp->status_blk, 0, bp->status_stats_size);
607
608         bp->bnx2_napi[0].status_blk = bp->status_blk;
609         if (bp->flags & BNX2_FLAG_MSIX_CAP) {
610                 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
611                         struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
612
613                         bnapi->status_blk_msix = (void *)
614                                 ((unsigned long) bp->status_blk +
615                                  BNX2_SBLK_MSIX_ALIGN_SIZE * i);
616                         bnapi->int_num = i << 24;
617                 }
618         }
619
620         bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
621                                   status_blk_size);
622
623         bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
624
625         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
626                 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
627                 if (bp->ctx_pages == 0)
628                         bp->ctx_pages = 1;
629                 for (i = 0; i < bp->ctx_pages; i++) {
630                         bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
631                                                 BCM_PAGE_SIZE,
632                                                 &bp->ctx_blk_mapping[i]);
633                         if (bp->ctx_blk[i] == NULL)
634                                 goto alloc_mem_err;
635                 }
636         }
637         return 0;
638
639 alloc_mem_err:
640         bnx2_free_mem(bp);
641         return -ENOMEM;
642 }
643
644 static void
645 bnx2_report_fw_link(struct bnx2 *bp)
646 {
647         u32 fw_link_status = 0;
648
649         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
650                 return;
651
652         if (bp->link_up) {
653                 u32 bmsr;
654
655                 switch (bp->line_speed) {
656                 case SPEED_10:
657                         if (bp->duplex == DUPLEX_HALF)
658                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
659                         else
660                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
661                         break;
662                 case SPEED_100:
663                         if (bp->duplex == DUPLEX_HALF)
664                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
665                         else
666                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
667                         break;
668                 case SPEED_1000:
669                         if (bp->duplex == DUPLEX_HALF)
670                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
671                         else
672                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
673                         break;
674                 case SPEED_2500:
675                         if (bp->duplex == DUPLEX_HALF)
676                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
677                         else
678                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
679                         break;
680                 }
681
682                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
683
684                 if (bp->autoneg) {
685                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
686
687                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
688                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
689
690                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
691                             bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
692                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
693                         else
694                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
695                 }
696         }
697         else
698                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
699
700         bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
701 }
702
703 static char *
704 bnx2_xceiver_str(struct bnx2 *bp)
705 {
706         return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
707                 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
708                  "Copper"));
709 }
710
711 static void
712 bnx2_report_link(struct bnx2 *bp)
713 {
714         if (bp->link_up) {
715                 netif_carrier_on(bp->dev);
716                 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
717                        bnx2_xceiver_str(bp));
718
719                 printk("%d Mbps ", bp->line_speed);
720
721                 if (bp->duplex == DUPLEX_FULL)
722                         printk("full duplex");
723                 else
724                         printk("half duplex");
725
726                 if (bp->flow_ctrl) {
727                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
728                                 printk(", receive ");
729                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
730                                         printk("& transmit ");
731                         }
732                         else {
733                                 printk(", transmit ");
734                         }
735                         printk("flow control ON");
736                 }
737                 printk("\n");
738         }
739         else {
740                 netif_carrier_off(bp->dev);
741                 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
742                        bnx2_xceiver_str(bp));
743         }
744
745         bnx2_report_fw_link(bp);
746 }
747
748 static void
749 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
750 {
751         u32 local_adv, remote_adv;
752
753         bp->flow_ctrl = 0;
754         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
755                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
756
757                 if (bp->duplex == DUPLEX_FULL) {
758                         bp->flow_ctrl = bp->req_flow_ctrl;
759                 }
760                 return;
761         }
762
763         if (bp->duplex != DUPLEX_FULL) {
764                 return;
765         }
766
767         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
768             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
769                 u32 val;
770
771                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
772                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
773                         bp->flow_ctrl |= FLOW_CTRL_TX;
774                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
775                         bp->flow_ctrl |= FLOW_CTRL_RX;
776                 return;
777         }
778
779         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
780         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
781
782         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
783                 u32 new_local_adv = 0;
784                 u32 new_remote_adv = 0;
785
786                 if (local_adv & ADVERTISE_1000XPAUSE)
787                         new_local_adv |= ADVERTISE_PAUSE_CAP;
788                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
789                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
790                 if (remote_adv & ADVERTISE_1000XPAUSE)
791                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
792                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
793                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
794
795                 local_adv = new_local_adv;
796                 remote_adv = new_remote_adv;
797         }
798
799         /* See Table 28B-3 of 802.3ab-1999 spec. */
800         if (local_adv & ADVERTISE_PAUSE_CAP) {
801                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
802                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
803                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
804                         }
805                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
806                                 bp->flow_ctrl = FLOW_CTRL_RX;
807                         }
808                 }
809                 else {
810                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
811                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
812                         }
813                 }
814         }
815         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
816                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
817                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
818
819                         bp->flow_ctrl = FLOW_CTRL_TX;
820                 }
821         }
822 }
823
824 static int
825 bnx2_5709s_linkup(struct bnx2 *bp)
826 {
827         u32 val, speed;
828
829         bp->link_up = 1;
830
831         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
832         bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
833         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
834
835         if ((bp->autoneg & AUTONEG_SPEED) == 0) {
836                 bp->line_speed = bp->req_line_speed;
837                 bp->duplex = bp->req_duplex;
838                 return 0;
839         }
840         speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
841         switch (speed) {
842                 case MII_BNX2_GP_TOP_AN_SPEED_10:
843                         bp->line_speed = SPEED_10;
844                         break;
845                 case MII_BNX2_GP_TOP_AN_SPEED_100:
846                         bp->line_speed = SPEED_100;
847                         break;
848                 case MII_BNX2_GP_TOP_AN_SPEED_1G:
849                 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
850                         bp->line_speed = SPEED_1000;
851                         break;
852                 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
853                         bp->line_speed = SPEED_2500;
854                         break;
855         }
856         if (val & MII_BNX2_GP_TOP_AN_FD)
857                 bp->duplex = DUPLEX_FULL;
858         else
859                 bp->duplex = DUPLEX_HALF;
860         return 0;
861 }
862
863 static int
864 bnx2_5708s_linkup(struct bnx2 *bp)
865 {
866         u32 val;
867
868         bp->link_up = 1;
869         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
870         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
871                 case BCM5708S_1000X_STAT1_SPEED_10:
872                         bp->line_speed = SPEED_10;
873                         break;
874                 case BCM5708S_1000X_STAT1_SPEED_100:
875                         bp->line_speed = SPEED_100;
876                         break;
877                 case BCM5708S_1000X_STAT1_SPEED_1G:
878                         bp->line_speed = SPEED_1000;
879                         break;
880                 case BCM5708S_1000X_STAT1_SPEED_2G5:
881                         bp->line_speed = SPEED_2500;
882                         break;
883         }
884         if (val & BCM5708S_1000X_STAT1_FD)
885                 bp->duplex = DUPLEX_FULL;
886         else
887                 bp->duplex = DUPLEX_HALF;
888
889         return 0;
890 }
891
892 static int
893 bnx2_5706s_linkup(struct bnx2 *bp)
894 {
895         u32 bmcr, local_adv, remote_adv, common;
896
897         bp->link_up = 1;
898         bp->line_speed = SPEED_1000;
899
900         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
901         if (bmcr & BMCR_FULLDPLX) {
902                 bp->duplex = DUPLEX_FULL;
903         }
904         else {
905                 bp->duplex = DUPLEX_HALF;
906         }
907
908         if (!(bmcr & BMCR_ANENABLE)) {
909                 return 0;
910         }
911
912         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
913         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
914
915         common = local_adv & remote_adv;
916         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
917
918                 if (common & ADVERTISE_1000XFULL) {
919                         bp->duplex = DUPLEX_FULL;
920                 }
921                 else {
922                         bp->duplex = DUPLEX_HALF;
923                 }
924         }
925
926         return 0;
927 }
928
929 static int
930 bnx2_copper_linkup(struct bnx2 *bp)
931 {
932         u32 bmcr;
933
934         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
935         if (bmcr & BMCR_ANENABLE) {
936                 u32 local_adv, remote_adv, common;
937
938                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
939                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
940
941                 common = local_adv & (remote_adv >> 2);
942                 if (common & ADVERTISE_1000FULL) {
943                         bp->line_speed = SPEED_1000;
944                         bp->duplex = DUPLEX_FULL;
945                 }
946                 else if (common & ADVERTISE_1000HALF) {
947                         bp->line_speed = SPEED_1000;
948                         bp->duplex = DUPLEX_HALF;
949                 }
950                 else {
951                         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
952                         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
953
954                         common = local_adv & remote_adv;
955                         if (common & ADVERTISE_100FULL) {
956                                 bp->line_speed = SPEED_100;
957                                 bp->duplex = DUPLEX_FULL;
958                         }
959                         else if (common & ADVERTISE_100HALF) {
960                                 bp->line_speed = SPEED_100;
961                                 bp->duplex = DUPLEX_HALF;
962                         }
963                         else if (common & ADVERTISE_10FULL) {
964                                 bp->line_speed = SPEED_10;
965                                 bp->duplex = DUPLEX_FULL;
966                         }
967                         else if (common & ADVERTISE_10HALF) {
968                                 bp->line_speed = SPEED_10;
969                                 bp->duplex = DUPLEX_HALF;
970                         }
971                         else {
972                                 bp->line_speed = 0;
973                                 bp->link_up = 0;
974                         }
975                 }
976         }
977         else {
978                 if (bmcr & BMCR_SPEED100) {
979                         bp->line_speed = SPEED_100;
980                 }
981                 else {
982                         bp->line_speed = SPEED_10;
983                 }
984                 if (bmcr & BMCR_FULLDPLX) {
985                         bp->duplex = DUPLEX_FULL;
986                 }
987                 else {
988                         bp->duplex = DUPLEX_HALF;
989                 }
990         }
991
992         return 0;
993 }
994
995 static void
996 bnx2_init_rx_context0(struct bnx2 *bp)
997 {
998         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
999
1000         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002         val |= 0x02 << 8;
1003
1004         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005                 u32 lo_water, hi_water;
1006
1007                 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009                 else
1010                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011                 if (lo_water >= bp->rx_ring_size)
1012                         lo_water = 0;
1013
1014                 hi_water = bp->rx_ring_size / 4;
1015
1016                 if (hi_water <= lo_water)
1017                         lo_water = 0;
1018
1019                 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020                 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022                 if (hi_water > 0xf)
1023                         hi_water = 0xf;
1024                 else if (hi_water == 0)
1025                         lo_water = 0;
1026                 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027         }
1028         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029 }
1030
1031 static int
1032 bnx2_set_mac_link(struct bnx2 *bp)
1033 {
1034         u32 val;
1035
1036         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038                 (bp->duplex == DUPLEX_HALF)) {
1039                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040         }
1041
1042         /* Configure the EMAC mode register. */
1043         val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1046                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1047                 BNX2_EMAC_MODE_25G_MODE);
1048
1049         if (bp->link_up) {
1050                 switch (bp->line_speed) {
1051                         case SPEED_10:
1052                                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053                                         val |= BNX2_EMAC_MODE_PORT_MII_10M;
1054                                         break;
1055                                 }
1056                                 /* fall through */
1057                         case SPEED_100:
1058                                 val |= BNX2_EMAC_MODE_PORT_MII;
1059                                 break;
1060                         case SPEED_2500:
1061                                 val |= BNX2_EMAC_MODE_25G_MODE;
1062                                 /* fall through */
1063                         case SPEED_1000:
1064                                 val |= BNX2_EMAC_MODE_PORT_GMII;
1065                                 break;
1066                 }
1067         }
1068         else {
1069                 val |= BNX2_EMAC_MODE_PORT_GMII;
1070         }
1071
1072         /* Set the MAC to operate in the appropriate duplex mode. */
1073         if (bp->duplex == DUPLEX_HALF)
1074                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075         REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077         /* Enable/disable rx PAUSE. */
1078         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080         if (bp->flow_ctrl & FLOW_CTRL_RX)
1081                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084         /* Enable/disable tx PAUSE. */
1085         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088         if (bp->flow_ctrl & FLOW_CTRL_TX)
1089                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092         /* Acknowledge the interrupt. */
1093         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
1095         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096                 bnx2_init_rx_context0(bp);
1097
1098         return 0;
1099 }
1100
1101 static void
1102 bnx2_enable_bmsr1(struct bnx2 *bp)
1103 {
1104         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1105             (CHIP_NUM(bp) == CHIP_NUM_5709))
1106                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107                                MII_BNX2_BLK_ADDR_GP_STATUS);
1108 }
1109
1110 static void
1111 bnx2_disable_bmsr1(struct bnx2 *bp)
1112 {
1113         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1114             (CHIP_NUM(bp) == CHIP_NUM_5709))
1115                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117 }
1118
1119 static int
1120 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121 {
1122         u32 up1;
1123         int ret = 1;
1124
1125         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1126                 return 0;
1127
1128         if (bp->autoneg & AUTONEG_SPEED)
1129                 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
1131         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
1134         bnx2_read_phy(bp, bp->mii_up1, &up1);
1135         if (!(up1 & BCM5708S_UP1_2G5)) {
1136                 up1 |= BCM5708S_UP1_2G5;
1137                 bnx2_write_phy(bp, bp->mii_up1, up1);
1138                 ret = 0;
1139         }
1140
1141         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
1145         return ret;
1146 }
1147
1148 static int
1149 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150 {
1151         u32 up1;
1152         int ret = 0;
1153
1154         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1155                 return 0;
1156
1157         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
1160         bnx2_read_phy(bp, bp->mii_up1, &up1);
1161         if (up1 & BCM5708S_UP1_2G5) {
1162                 up1 &= ~BCM5708S_UP1_2G5;
1163                 bnx2_write_phy(bp, bp->mii_up1, up1);
1164                 ret = 1;
1165         }
1166
1167         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
1171         return ret;
1172 }
1173
1174 static void
1175 bnx2_enable_forced_2g5(struct bnx2 *bp)
1176 {
1177         u32 bmcr;
1178
1179         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1180                 return;
1181
1182         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183                 u32 val;
1184
1185                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1187                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188                 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189                 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1197                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198                 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199         }
1200
1201         if (bp->autoneg & AUTONEG_SPEED) {
1202                 bmcr &= ~BMCR_ANENABLE;
1203                 if (bp->req_duplex == DUPLEX_FULL)
1204                         bmcr |= BMCR_FULLDPLX;
1205         }
1206         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207 }
1208
1209 static void
1210 bnx2_disable_forced_2g5(struct bnx2 *bp)
1211 {
1212         u32 bmcr;
1213
1214         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1215                 return;
1216
1217         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218                 u32 val;
1219
1220                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1222                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223                 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1231                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232                 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233         }
1234
1235         if (bp->autoneg & AUTONEG_SPEED)
1236                 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238 }
1239
1240 static void
1241 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242 {
1243         u32 val;
1244
1245         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247         if (start)
1248                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249         else
1250                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251 }
1252
1253 static int
1254 bnx2_set_link(struct bnx2 *bp)
1255 {
1256         u32 bmsr;
1257         u8 link_up;
1258
1259         if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1260                 bp->link_up = 1;
1261                 return 0;
1262         }
1263
1264         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1265                 return 0;
1266
1267         link_up = bp->link_up;
1268
1269         bnx2_enable_bmsr1(bp);
1270         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272         bnx2_disable_bmsr1(bp);
1273
1274         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1275             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1276                 u32 val, an_dbg;
1277
1278                 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1279                         bnx2_5706s_force_link_dn(bp, 0);
1280                         bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1281                 }
1282                 val = REG_RD(bp, BNX2_EMAC_STATUS);
1283
1284                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288                 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289                     !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1290                         bmsr |= BMSR_LSTATUS;
1291                 else
1292                         bmsr &= ~BMSR_LSTATUS;
1293         }
1294
1295         if (bmsr & BMSR_LSTATUS) {
1296                 bp->link_up = 1;
1297
1298                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1299                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300                                 bnx2_5706s_linkup(bp);
1301                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302                                 bnx2_5708s_linkup(bp);
1303                         else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304                                 bnx2_5709s_linkup(bp);
1305                 }
1306                 else {
1307                         bnx2_copper_linkup(bp);
1308                 }
1309                 bnx2_resolve_flow_ctrl(bp);
1310         }
1311         else {
1312                 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1313                     (bp->autoneg & AUTONEG_SPEED))
1314                         bnx2_disable_forced_2g5(bp);
1315
1316                 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1317                         u32 bmcr;
1318
1319                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320                         bmcr |= BMCR_ANENABLE;
1321                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
1323                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1324                 }
1325                 bp->link_up = 0;
1326         }
1327
1328         if (bp->link_up != link_up) {
1329                 bnx2_report_link(bp);
1330         }
1331
1332         bnx2_set_mac_link(bp);
1333
1334         return 0;
1335 }
1336
1337 static int
1338 bnx2_reset_phy(struct bnx2 *bp)
1339 {
1340         int i;
1341         u32 reg;
1342
1343         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1344
1345 #define PHY_RESET_MAX_WAIT 100
1346         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347                 udelay(10);
1348
1349                 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1350                 if (!(reg & BMCR_RESET)) {
1351                         udelay(20);
1352                         break;
1353                 }
1354         }
1355         if (i == PHY_RESET_MAX_WAIT) {
1356                 return -EBUSY;
1357         }
1358         return 0;
1359 }
1360
1361 static u32
1362 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363 {
1364         u32 adv = 0;
1365
1366         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
1369                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1370                         adv = ADVERTISE_1000XPAUSE;
1371                 }
1372                 else {
1373                         adv = ADVERTISE_PAUSE_CAP;
1374                 }
1375         }
1376         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1377                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1378                         adv = ADVERTISE_1000XPSE_ASYM;
1379                 }
1380                 else {
1381                         adv = ADVERTISE_PAUSE_ASYM;
1382                 }
1383         }
1384         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1385                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1386                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387                 }
1388                 else {
1389                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390                 }
1391         }
1392         return adv;
1393 }
1394
1395 static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
1397 static int
1398 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399 {
1400         u32 speed_arg = 0, pause_adv;
1401
1402         pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404         if (bp->autoneg & AUTONEG_SPEED) {
1405                 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406                 if (bp->advertising & ADVERTISED_10baseT_Half)
1407                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408                 if (bp->advertising & ADVERTISED_10baseT_Full)
1409                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410                 if (bp->advertising & ADVERTISED_100baseT_Half)
1411                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412                 if (bp->advertising & ADVERTISED_100baseT_Full)
1413                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416                 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418         } else {
1419                 if (bp->req_line_speed == SPEED_2500)
1420                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421                 else if (bp->req_line_speed == SPEED_1000)
1422                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423                 else if (bp->req_line_speed == SPEED_100) {
1424                         if (bp->req_duplex == DUPLEX_FULL)
1425                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426                         else
1427                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428                 } else if (bp->req_line_speed == SPEED_10) {
1429                         if (bp->req_duplex == DUPLEX_FULL)
1430                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431                         else
1432                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433                 }
1434         }
1435
1436         if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1438         if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1439                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441         if (port == PORT_TP)
1442                 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443                              BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
1445         bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1446
1447         spin_unlock_bh(&bp->phy_lock);
1448         bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449         spin_lock_bh(&bp->phy_lock);
1450
1451         return 0;
1452 }
1453
1454 static int
1455 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1456 {
1457         u32 adv, bmcr;
1458         u32 new_adv = 0;
1459
1460         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1461                 return (bnx2_setup_remote_phy(bp, port));
1462
1463         if (!(bp->autoneg & AUTONEG_SPEED)) {
1464                 u32 new_bmcr;
1465                 int force_link_down = 0;
1466
1467                 if (bp->req_line_speed == SPEED_2500) {
1468                         if (!bnx2_test_and_enable_2g5(bp))
1469                                 force_link_down = 1;
1470                 } else if (bp->req_line_speed == SPEED_1000) {
1471                         if (bnx2_test_and_disable_2g5(bp))
1472                                 force_link_down = 1;
1473                 }
1474                 bnx2_read_phy(bp, bp->mii_adv, &adv);
1475                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
1477                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1478                 new_bmcr = bmcr & ~BMCR_ANENABLE;
1479                 new_bmcr |= BMCR_SPEED1000;
1480
1481                 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482                         if (bp->req_line_speed == SPEED_2500)
1483                                 bnx2_enable_forced_2g5(bp);
1484                         else if (bp->req_line_speed == SPEED_1000) {
1485                                 bnx2_disable_forced_2g5(bp);
1486                                 new_bmcr &= ~0x2000;
1487                         }
1488
1489                 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1490                         if (bp->req_line_speed == SPEED_2500)
1491                                 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492                         else
1493                                 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1494                 }
1495
1496                 if (bp->req_duplex == DUPLEX_FULL) {
1497                         adv |= ADVERTISE_1000XFULL;
1498                         new_bmcr |= BMCR_FULLDPLX;
1499                 }
1500                 else {
1501                         adv |= ADVERTISE_1000XHALF;
1502                         new_bmcr &= ~BMCR_FULLDPLX;
1503                 }
1504                 if ((new_bmcr != bmcr) || (force_link_down)) {
1505                         /* Force a link down visible on the other side */
1506                         if (bp->link_up) {
1507                                 bnx2_write_phy(bp, bp->mii_adv, adv &
1508                                                ~(ADVERTISE_1000XFULL |
1509                                                  ADVERTISE_1000XHALF));
1510                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1511                                         BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513                                 bp->link_up = 0;
1514                                 netif_carrier_off(bp->dev);
1515                                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1516                                 bnx2_report_link(bp);
1517                         }
1518                         bnx2_write_phy(bp, bp->mii_adv, adv);
1519                         bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1520                 } else {
1521                         bnx2_resolve_flow_ctrl(bp);
1522                         bnx2_set_mac_link(bp);
1523                 }
1524                 return 0;
1525         }
1526
1527         bnx2_test_and_enable_2g5(bp);
1528
1529         if (bp->advertising & ADVERTISED_1000baseT_Full)
1530                 new_adv |= ADVERTISE_1000XFULL;
1531
1532         new_adv |= bnx2_phy_get_pause_adv(bp);
1533
1534         bnx2_read_phy(bp, bp->mii_adv, &adv);
1535         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1536
1537         bp->serdes_an_pending = 0;
1538         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539                 /* Force a link down visible on the other side */
1540                 if (bp->link_up) {
1541                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1542                         spin_unlock_bh(&bp->phy_lock);
1543                         msleep(20);
1544                         spin_lock_bh(&bp->phy_lock);
1545                 }
1546
1547                 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1549                         BMCR_ANENABLE);
1550                 /* Speed up link-up time when the link partner
1551                  * does not autonegotiate which is very common
1552                  * in blade servers. Some blade servers use
1553                  * IPMI for kerboard input and it's important
1554                  * to minimize link disruptions. Autoneg. involves
1555                  * exchanging base pages plus 3 next pages and
1556                  * normally completes in about 120 msec.
1557                  */
1558                 bp->current_interval = SERDES_AN_TIMEOUT;
1559                 bp->serdes_an_pending = 1;
1560                 mod_timer(&bp->timer, jiffies + bp->current_interval);
1561         } else {
1562                 bnx2_resolve_flow_ctrl(bp);
1563                 bnx2_set_mac_link(bp);
1564         }
1565
1566         return 0;
1567 }
1568
1569 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1570         (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?                  \
1571                 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572                 (ADVERTISED_1000baseT_Full)
1573
1574 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1575         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1576         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1577         ADVERTISED_1000baseT_Full)
1578
1579 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1581
1582 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
1584 static void
1585 bnx2_set_default_remote_link(struct bnx2 *bp)
1586 {
1587         u32 link;
1588
1589         if (bp->phy_port == PORT_TP)
1590                 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1591         else
1592                 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1593
1594         if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595                 bp->req_line_speed = 0;
1596                 bp->autoneg |= AUTONEG_SPEED;
1597                 bp->advertising = ADVERTISED_Autoneg;
1598                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599                         bp->advertising |= ADVERTISED_10baseT_Half;
1600                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601                         bp->advertising |= ADVERTISED_10baseT_Full;
1602                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603                         bp->advertising |= ADVERTISED_100baseT_Half;
1604                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605                         bp->advertising |= ADVERTISED_100baseT_Full;
1606                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607                         bp->advertising |= ADVERTISED_1000baseT_Full;
1608                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609                         bp->advertising |= ADVERTISED_2500baseX_Full;
1610         } else {
1611                 bp->autoneg = 0;
1612                 bp->advertising = 0;
1613                 bp->req_duplex = DUPLEX_FULL;
1614                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615                         bp->req_line_speed = SPEED_10;
1616                         if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617                                 bp->req_duplex = DUPLEX_HALF;
1618                 }
1619                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620                         bp->req_line_speed = SPEED_100;
1621                         if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622                                 bp->req_duplex = DUPLEX_HALF;
1623                 }
1624                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625                         bp->req_line_speed = SPEED_1000;
1626                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627                         bp->req_line_speed = SPEED_2500;
1628         }
1629 }
1630
1631 static void
1632 bnx2_set_default_link(struct bnx2 *bp)
1633 {
1634         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635                 bnx2_set_default_remote_link(bp);
1636                 return;
1637         }
1638
1639         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640         bp->req_line_speed = 0;
1641         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1642                 u32 reg;
1643
1644                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
1646                 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1647                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649                         bp->autoneg = 0;
1650                         bp->req_line_speed = bp->line_speed = SPEED_1000;
1651                         bp->req_duplex = DUPLEX_FULL;
1652                 }
1653         } else
1654                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655 }
1656
1657 static void
1658 bnx2_send_heart_beat(struct bnx2 *bp)
1659 {
1660         u32 msg;
1661         u32 addr;
1662
1663         spin_lock(&bp->indirect_lock);
1664         msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665         addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668         spin_unlock(&bp->indirect_lock);
1669 }
1670
1671 static void
1672 bnx2_remote_phy_event(struct bnx2 *bp)
1673 {
1674         u32 msg;
1675         u8 link_up = bp->link_up;
1676         u8 old_port;
1677
1678         msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1679
1680         if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681                 bnx2_send_heart_beat(bp);
1682
1683         msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
1685         if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686                 bp->link_up = 0;
1687         else {
1688                 u32 speed;
1689
1690                 bp->link_up = 1;
1691                 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692                 bp->duplex = DUPLEX_FULL;
1693                 switch (speed) {
1694                         case BNX2_LINK_STATUS_10HALF:
1695                                 bp->duplex = DUPLEX_HALF;
1696                         case BNX2_LINK_STATUS_10FULL:
1697                                 bp->line_speed = SPEED_10;
1698                                 break;
1699                         case BNX2_LINK_STATUS_100HALF:
1700                                 bp->duplex = DUPLEX_HALF;
1701                         case BNX2_LINK_STATUS_100BASE_T4:
1702                         case BNX2_LINK_STATUS_100FULL:
1703                                 bp->line_speed = SPEED_100;
1704                                 break;
1705                         case BNX2_LINK_STATUS_1000HALF:
1706                                 bp->duplex = DUPLEX_HALF;
1707                         case BNX2_LINK_STATUS_1000FULL:
1708                                 bp->line_speed = SPEED_1000;
1709                                 break;
1710                         case BNX2_LINK_STATUS_2500HALF:
1711                                 bp->duplex = DUPLEX_HALF;
1712                         case BNX2_LINK_STATUS_2500FULL:
1713                                 bp->line_speed = SPEED_2500;
1714                                 break;
1715                         default:
1716                                 bp->line_speed = 0;
1717                                 break;
1718                 }
1719
1720                 bp->flow_ctrl = 0;
1721                 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722                     (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723                         if (bp->duplex == DUPLEX_FULL)
1724                                 bp->flow_ctrl = bp->req_flow_ctrl;
1725                 } else {
1726                         if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727                                 bp->flow_ctrl |= FLOW_CTRL_TX;
1728                         if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729                                 bp->flow_ctrl |= FLOW_CTRL_RX;
1730                 }
1731
1732                 old_port = bp->phy_port;
1733                 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734                         bp->phy_port = PORT_FIBRE;
1735                 else
1736                         bp->phy_port = PORT_TP;
1737
1738                 if (old_port != bp->phy_port)
1739                         bnx2_set_default_link(bp);
1740
1741         }
1742         if (bp->link_up != link_up)
1743                 bnx2_report_link(bp);
1744
1745         bnx2_set_mac_link(bp);
1746 }
1747
1748 static int
1749 bnx2_set_remote_link(struct bnx2 *bp)
1750 {
1751         u32 evt_code;
1752
1753         evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1754         switch (evt_code) {
1755                 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756                         bnx2_remote_phy_event(bp);
1757                         break;
1758                 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759                 default:
1760                         bnx2_send_heart_beat(bp);
1761                         break;
1762         }
1763         return 0;
1764 }
1765
1766 static int
1767 bnx2_setup_copper_phy(struct bnx2 *bp)
1768 {
1769         u32 bmcr;
1770         u32 new_bmcr;
1771
1772         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1773
1774         if (bp->autoneg & AUTONEG_SPEED) {
1775                 u32 adv_reg, adv1000_reg;
1776                 u32 new_adv_reg = 0;
1777                 u32 new_adv1000_reg = 0;
1778
1779                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1780                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781                         ADVERTISE_PAUSE_ASYM);
1782
1783                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784                 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786                 if (bp->advertising & ADVERTISED_10baseT_Half)
1787                         new_adv_reg |= ADVERTISE_10HALF;
1788                 if (bp->advertising & ADVERTISED_10baseT_Full)
1789                         new_adv_reg |= ADVERTISE_10FULL;
1790                 if (bp->advertising & ADVERTISED_100baseT_Half)
1791                         new_adv_reg |= ADVERTISE_100HALF;
1792                 if (bp->advertising & ADVERTISED_100baseT_Full)
1793                         new_adv_reg |= ADVERTISE_100FULL;
1794                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795                         new_adv1000_reg |= ADVERTISE_1000FULL;
1796
1797                 new_adv_reg |= ADVERTISE_CSMA;
1798
1799                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801                 if ((adv1000_reg != new_adv1000_reg) ||
1802                         (adv_reg != new_adv_reg) ||
1803                         ((bmcr & BMCR_ANENABLE) == 0)) {
1804
1805                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1806                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1807                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1808                                 BMCR_ANENABLE);
1809                 }
1810                 else if (bp->link_up) {
1811                         /* Flow ctrl may have changed from auto to forced */
1812                         /* or vice-versa. */
1813
1814                         bnx2_resolve_flow_ctrl(bp);
1815                         bnx2_set_mac_link(bp);
1816                 }
1817                 return 0;
1818         }
1819
1820         new_bmcr = 0;
1821         if (bp->req_line_speed == SPEED_100) {
1822                 new_bmcr |= BMCR_SPEED100;
1823         }
1824         if (bp->req_duplex == DUPLEX_FULL) {
1825                 new_bmcr |= BMCR_FULLDPLX;
1826         }
1827         if (new_bmcr != bmcr) {
1828                 u32 bmsr;
1829
1830                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1832
1833                 if (bmsr & BMSR_LSTATUS) {
1834                         /* Force link down */
1835                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1836                         spin_unlock_bh(&bp->phy_lock);
1837                         msleep(50);
1838                         spin_lock_bh(&bp->phy_lock);
1839
1840                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1842                 }
1843
1844                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1845
1846                 /* Normally, the new speed is setup after the link has
1847                  * gone down and up again. In some cases, link will not go
1848                  * down so we need to set up the new speed here.
1849                  */
1850                 if (bmsr & BMSR_LSTATUS) {
1851                         bp->line_speed = bp->req_line_speed;
1852                         bp->duplex = bp->req_duplex;
1853                         bnx2_resolve_flow_ctrl(bp);
1854                         bnx2_set_mac_link(bp);
1855                 }
1856         } else {
1857                 bnx2_resolve_flow_ctrl(bp);
1858                 bnx2_set_mac_link(bp);
1859         }
1860         return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1865 {
1866         if (bp->loopback == MAC_LOOPBACK)
1867                 return 0;
1868
1869         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1870                 return (bnx2_setup_serdes_phy(bp, port));
1871         }
1872         else {
1873                 return (bnx2_setup_copper_phy(bp));
1874         }
1875 }
1876
1877 static int
1878 bnx2_init_5709s_phy(struct bnx2 *bp)
1879 {
1880         u32 val;
1881
1882         bp->mii_bmcr = MII_BMCR + 0x10;
1883         bp->mii_bmsr = MII_BMSR + 0x10;
1884         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885         bp->mii_adv = MII_ADVERTISE + 0x10;
1886         bp->mii_lpa = MII_LPA + 0x10;
1887         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893         bnx2_reset_phy(bp);
1894
1895         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1896
1897         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1898         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1899         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1900         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1901
1902         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1903         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1904         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1905                 val |= BCM5708S_UP1_2G5;
1906         else
1907                 val &= ~BCM5708S_UP1_2G5;
1908         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1909
1910         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1911         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1912         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1913         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1914
1915         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1916
1917         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1918               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1919         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1920
1921         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1922
1923         return 0;
1924 }
1925
1926 static int
1927 bnx2_init_5708s_phy(struct bnx2 *bp)
1928 {
1929         u32 val;
1930
1931         bnx2_reset_phy(bp);
1932
1933         bp->mii_up1 = BCM5708S_UP1;
1934
1935         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1936         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1937         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1938
1939         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1940         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1941         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1942
1943         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1944         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1945         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1946
1947         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
1948                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1949                 val |= BCM5708S_UP1_2G5;
1950                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1951         }
1952
1953         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1954             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1955             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1956                 /* increase tx signal amplitude */
1957                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1958                                BCM5708S_BLK_ADDR_TX_MISC);
1959                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1960                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1961                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1962                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1963         }
1964
1965         val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
1966               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1967
1968         if (val) {
1969                 u32 is_backplane;
1970
1971                 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
1972                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1973                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1974                                        BCM5708S_BLK_ADDR_TX_MISC);
1975                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1976                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1977                                        BCM5708S_BLK_ADDR_DIG);
1978                 }
1979         }
1980         return 0;
1981 }
1982
1983 static int
1984 bnx2_init_5706s_phy(struct bnx2 *bp)
1985 {
1986         bnx2_reset_phy(bp);
1987
1988         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1989
1990         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1991                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1992
1993         if (bp->dev->mtu > 1500) {
1994                 u32 val;
1995
1996                 /* Set extended packet length bit */
1997                 bnx2_write_phy(bp, 0x18, 0x7);
1998                 bnx2_read_phy(bp, 0x18, &val);
1999                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2000
2001                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2002                 bnx2_read_phy(bp, 0x1c, &val);
2003                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2004         }
2005         else {
2006                 u32 val;
2007
2008                 bnx2_write_phy(bp, 0x18, 0x7);
2009                 bnx2_read_phy(bp, 0x18, &val);
2010                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2011
2012                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2013                 bnx2_read_phy(bp, 0x1c, &val);
2014                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2015         }
2016
2017         return 0;
2018 }
2019
2020 static int
2021 bnx2_init_copper_phy(struct bnx2 *bp)
2022 {
2023         u32 val;
2024
2025         bnx2_reset_phy(bp);
2026
2027         if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2028                 bnx2_write_phy(bp, 0x18, 0x0c00);
2029                 bnx2_write_phy(bp, 0x17, 0x000a);
2030                 bnx2_write_phy(bp, 0x15, 0x310b);
2031                 bnx2_write_phy(bp, 0x17, 0x201f);
2032                 bnx2_write_phy(bp, 0x15, 0x9506);
2033                 bnx2_write_phy(bp, 0x17, 0x401f);
2034                 bnx2_write_phy(bp, 0x15, 0x14e2);
2035                 bnx2_write_phy(bp, 0x18, 0x0400);
2036         }
2037
2038         if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2039                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2040                                MII_BNX2_DSP_EXPAND_REG | 0x8);
2041                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2042                 val &= ~(1 << 8);
2043                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2044         }
2045
2046         if (bp->dev->mtu > 1500) {
2047                 /* Set extended packet length bit */
2048                 bnx2_write_phy(bp, 0x18, 0x7);
2049                 bnx2_read_phy(bp, 0x18, &val);
2050                 bnx2_write_phy(bp, 0x18, val | 0x4000);
2051
2052                 bnx2_read_phy(bp, 0x10, &val);
2053                 bnx2_write_phy(bp, 0x10, val | 0x1);
2054         }
2055         else {
2056                 bnx2_write_phy(bp, 0x18, 0x7);
2057                 bnx2_read_phy(bp, 0x18, &val);
2058                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2059
2060                 bnx2_read_phy(bp, 0x10, &val);
2061                 bnx2_write_phy(bp, 0x10, val & ~0x1);
2062         }
2063
2064         /* ethernet@wirespeed */
2065         bnx2_write_phy(bp, 0x18, 0x7007);
2066         bnx2_read_phy(bp, 0x18, &val);
2067         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2068         return 0;
2069 }
2070
2071
2072 static int
2073 bnx2_init_phy(struct bnx2 *bp)
2074 {
2075         u32 val;
2076         int rc = 0;
2077
2078         bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2079         bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2080
2081         bp->mii_bmcr = MII_BMCR;
2082         bp->mii_bmsr = MII_BMSR;
2083         bp->mii_bmsr1 = MII_BMSR;
2084         bp->mii_adv = MII_ADVERTISE;
2085         bp->mii_lpa = MII_LPA;
2086
2087         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2088
2089         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2090                 goto setup_phy;
2091
2092         bnx2_read_phy(bp, MII_PHYSID1, &val);
2093         bp->phy_id = val << 16;
2094         bnx2_read_phy(bp, MII_PHYSID2, &val);
2095         bp->phy_id |= val & 0xffff;
2096
2097         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2098                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2099                         rc = bnx2_init_5706s_phy(bp);
2100                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2101                         rc = bnx2_init_5708s_phy(bp);
2102                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2103                         rc = bnx2_init_5709s_phy(bp);
2104         }
2105         else {
2106                 rc = bnx2_init_copper_phy(bp);
2107         }
2108
2109 setup_phy:
2110         if (!rc)
2111                 rc = bnx2_setup_phy(bp, bp->phy_port);
2112
2113         return rc;
2114 }
2115
2116 static int
2117 bnx2_set_mac_loopback(struct bnx2 *bp)
2118 {
2119         u32 mac_mode;
2120
2121         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2122         mac_mode &= ~BNX2_EMAC_MODE_PORT;
2123         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2124         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2125         bp->link_up = 1;
2126         return 0;
2127 }
2128
2129 static int bnx2_test_link(struct bnx2 *);
2130
2131 static int
2132 bnx2_set_phy_loopback(struct bnx2 *bp)
2133 {
2134         u32 mac_mode;
2135         int rc, i;
2136
2137         spin_lock_bh(&bp->phy_lock);
2138         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2139                             BMCR_SPEED1000);
2140         spin_unlock_bh(&bp->phy_lock);
2141         if (rc)
2142                 return rc;
2143
2144         for (i = 0; i < 10; i++) {
2145                 if (bnx2_test_link(bp) == 0)
2146                         break;
2147                 msleep(100);
2148         }
2149
2150         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2151         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2152                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2153                       BNX2_EMAC_MODE_25G_MODE);
2154
2155         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2156         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2157         bp->link_up = 1;
2158         return 0;
2159 }
2160
2161 static int
2162 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2163 {
2164         int i;
2165         u32 val;
2166
2167         bp->fw_wr_seq++;
2168         msg_data |= bp->fw_wr_seq;
2169
2170         bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2171
2172         /* wait for an acknowledgement. */
2173         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2174                 msleep(10);
2175
2176                 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2177
2178                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2179                         break;
2180         }
2181         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2182                 return 0;
2183
2184         /* If we timed out, inform the firmware that this is the case. */
2185         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2186                 if (!silent)
2187                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
2188                                             "%x\n", msg_data);
2189
2190                 msg_data &= ~BNX2_DRV_MSG_CODE;
2191                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2192
2193                 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2194
2195                 return -EBUSY;
2196         }
2197
2198         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2199                 return -EIO;
2200
2201         return 0;
2202 }
2203
2204 static int
2205 bnx2_init_5709_context(struct bnx2 *bp)
2206 {
2207         int i, ret = 0;
2208         u32 val;
2209
2210         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2211         val |= (BCM_PAGE_BITS - 8) << 16;
2212         REG_WR(bp, BNX2_CTX_COMMAND, val);
2213         for (i = 0; i < 10; i++) {
2214                 val = REG_RD(bp, BNX2_CTX_COMMAND);
2215                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2216                         break;
2217                 udelay(2);
2218         }
2219         if (val & BNX2_CTX_COMMAND_MEM_INIT)
2220                 return -EBUSY;
2221
2222         for (i = 0; i < bp->ctx_pages; i++) {
2223                 int j;
2224
2225                 if (bp->ctx_blk[i])
2226                         memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2227                 else
2228                         return -ENOMEM;
2229
2230                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2231                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2232                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2233                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2234                        (u64) bp->ctx_blk_mapping[i] >> 32);
2235                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2236                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2237                 for (j = 0; j < 10; j++) {
2238
2239                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2240                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2241                                 break;
2242                         udelay(5);
2243                 }
2244                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2245                         ret = -EBUSY;
2246                         break;
2247                 }
2248         }
2249         return ret;
2250 }
2251
2252 static void
2253 bnx2_init_context(struct bnx2 *bp)
2254 {
2255         u32 vcid;
2256
2257         vcid = 96;
2258         while (vcid) {
2259                 u32 vcid_addr, pcid_addr, offset;
2260                 int i;
2261
2262                 vcid--;
2263
2264                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2265                         u32 new_vcid;
2266
2267                         vcid_addr = GET_PCID_ADDR(vcid);
2268                         if (vcid & 0x8) {
2269                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2270                         }
2271                         else {
2272                                 new_vcid = vcid;
2273                         }
2274                         pcid_addr = GET_PCID_ADDR(new_vcid);
2275                 }
2276                 else {
2277                         vcid_addr = GET_CID_ADDR(vcid);
2278                         pcid_addr = vcid_addr;
2279                 }
2280
2281                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2282                         vcid_addr += (i << PHY_CTX_SHIFT);
2283                         pcid_addr += (i << PHY_CTX_SHIFT);
2284
2285                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2286                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2287
2288                         /* Zero out the context. */
2289                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2290                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2291                 }
2292         }
2293 }
2294
2295 static int
2296 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2297 {
2298         u16 *good_mbuf;
2299         u32 good_mbuf_cnt;
2300         u32 val;
2301
2302         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2303         if (good_mbuf == NULL) {
2304                 printk(KERN_ERR PFX "Failed to allocate memory in "
2305                                     "bnx2_alloc_bad_rbuf\n");
2306                 return -ENOMEM;
2307         }
2308
2309         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2310                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2311
2312         good_mbuf_cnt = 0;
2313
2314         /* Allocate a bunch of mbufs and save the good ones in an array. */
2315         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2316         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2317                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2318                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2319
2320                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2321
2322                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2323
2324                 /* The addresses with Bit 9 set are bad memory blocks. */
2325                 if (!(val & (1 << 9))) {
2326                         good_mbuf[good_mbuf_cnt] = (u16) val;
2327                         good_mbuf_cnt++;
2328                 }
2329
2330                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2331         }
2332
2333         /* Free the good ones back to the mbuf pool thus discarding
2334          * all the bad ones. */
2335         while (good_mbuf_cnt) {
2336                 good_mbuf_cnt--;
2337
2338                 val = good_mbuf[good_mbuf_cnt];
2339                 val = (val << 9) | val | 1;
2340
2341                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2342         }
2343         kfree(good_mbuf);
2344         return 0;
2345 }
2346
2347 static void
2348 bnx2_set_mac_addr(struct bnx2 *bp)
2349 {
2350         u32 val;
2351         u8 *mac_addr = bp->dev->dev_addr;
2352
2353         val = (mac_addr[0] << 8) | mac_addr[1];
2354
2355         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2356
2357         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2358                 (mac_addr[4] << 8) | mac_addr[5];
2359
2360         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2361 }
2362
2363 static inline int
2364 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2365 {
2366         dma_addr_t mapping;
2367         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2368         struct rx_bd *rxbd =
2369                 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2370         struct page *page = alloc_page(GFP_ATOMIC);
2371
2372         if (!page)
2373                 return -ENOMEM;
2374         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2375                                PCI_DMA_FROMDEVICE);
2376         rx_pg->page = page;
2377         pci_unmap_addr_set(rx_pg, mapping, mapping);
2378         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2379         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2380         return 0;
2381 }
2382
2383 static void
2384 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2385 {
2386         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2387         struct page *page = rx_pg->page;
2388
2389         if (!page)
2390                 return;
2391
2392         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2393                        PCI_DMA_FROMDEVICE);
2394
2395         __free_page(page);
2396         rx_pg->page = NULL;
2397 }
2398
2399 static inline int
2400 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2401 {
2402         struct sk_buff *skb;
2403         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2404         dma_addr_t mapping;
2405         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2406         unsigned long align;
2407
2408         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2409         if (skb == NULL) {
2410                 return -ENOMEM;
2411         }
2412
2413         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2414                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2415
2416         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2417                 PCI_DMA_FROMDEVICE);
2418
2419         rx_buf->skb = skb;
2420         pci_unmap_addr_set(rx_buf, mapping, mapping);
2421
2422         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2423         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2424
2425         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2426
2427         return 0;
2428 }
2429
2430 static int
2431 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2432 {
2433         struct status_block *sblk = bnapi->status_blk;
2434         u32 new_link_state, old_link_state;
2435         int is_set = 1;
2436
2437         new_link_state = sblk->status_attn_bits & event;
2438         old_link_state = sblk->status_attn_bits_ack & event;
2439         if (new_link_state != old_link_state) {
2440                 if (new_link_state)
2441                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2442                 else
2443                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2444         } else
2445                 is_set = 0;
2446
2447         return is_set;
2448 }
2449
2450 static void
2451 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2452 {
2453         spin_lock(&bp->phy_lock);
2454
2455         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2456                 bnx2_set_link(bp);
2457         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2458                 bnx2_set_remote_link(bp);
2459
2460         spin_unlock(&bp->phy_lock);
2461
2462 }
2463
2464 static inline u16
2465 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2466 {
2467         u16 cons;
2468
2469         if (bnapi->int_num == 0)
2470                 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2471         else
2472                 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2473
2474         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2475                 cons++;
2476         return cons;
2477 }
2478
2479 static int
2480 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2481 {
2482         u16 hw_cons, sw_cons, sw_ring_cons;
2483         int tx_pkt = 0;
2484
2485         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2486         sw_cons = bnapi->tx_cons;
2487
2488         while (sw_cons != hw_cons) {
2489                 struct sw_bd *tx_buf;
2490                 struct sk_buff *skb;
2491                 int i, last;
2492
2493                 sw_ring_cons = TX_RING_IDX(sw_cons);
2494
2495                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2496                 skb = tx_buf->skb;
2497
2498                 /* partial BD completions possible with TSO packets */
2499                 if (skb_is_gso(skb)) {
2500                         u16 last_idx, last_ring_idx;
2501
2502                         last_idx = sw_cons +
2503                                 skb_shinfo(skb)->nr_frags + 1;
2504                         last_ring_idx = sw_ring_cons +
2505                                 skb_shinfo(skb)->nr_frags + 1;
2506                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2507                                 last_idx++;
2508                         }
2509                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2510                                 break;
2511                         }
2512                 }
2513
2514                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2515                         skb_headlen(skb), PCI_DMA_TODEVICE);
2516
2517                 tx_buf->skb = NULL;
2518                 last = skb_shinfo(skb)->nr_frags;
2519
2520                 for (i = 0; i < last; i++) {
2521                         sw_cons = NEXT_TX_BD(sw_cons);
2522
2523                         pci_unmap_page(bp->pdev,
2524                                 pci_unmap_addr(
2525                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2526                                         mapping),
2527                                 skb_shinfo(skb)->frags[i].size,
2528                                 PCI_DMA_TODEVICE);
2529                 }
2530
2531                 sw_cons = NEXT_TX_BD(sw_cons);
2532
2533                 dev_kfree_skb(skb);
2534                 tx_pkt++;
2535                 if (tx_pkt == budget)
2536                         break;
2537
2538                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2539         }
2540
2541         bnapi->hw_tx_cons = hw_cons;
2542         bnapi->tx_cons = sw_cons;
2543         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2544          * before checking for netif_queue_stopped().  Without the
2545          * memory barrier, there is a small possibility that bnx2_start_xmit()
2546          * will miss it and cause the queue to be stopped forever.
2547          */
2548         smp_mb();
2549
2550         if (unlikely(netif_queue_stopped(bp->dev)) &&
2551                      (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2552                 netif_tx_lock(bp->dev);
2553                 if ((netif_queue_stopped(bp->dev)) &&
2554                     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2555                         netif_wake_queue(bp->dev);
2556                 netif_tx_unlock(bp->dev);
2557         }
2558         return tx_pkt;
2559 }
2560
2561 static void
2562 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2563                         struct sk_buff *skb, int count)
2564 {
2565         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2566         struct rx_bd *cons_bd, *prod_bd;
2567         dma_addr_t mapping;
2568         int i;
2569         u16 hw_prod = bnapi->rx_pg_prod, prod;
2570         u16 cons = bnapi->rx_pg_cons;
2571
2572         for (i = 0; i < count; i++) {
2573                 prod = RX_PG_RING_IDX(hw_prod);
2574
2575                 prod_rx_pg = &bp->rx_pg_ring[prod];
2576                 cons_rx_pg = &bp->rx_pg_ring[cons];
2577                 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2578                 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2579
2580                 if (i == 0 && skb) {
2581                         struct page *page;
2582                         struct skb_shared_info *shinfo;
2583
2584                         shinfo = skb_shinfo(skb);
2585                         shinfo->nr_frags--;
2586                         page = shinfo->frags[shinfo->nr_frags].page;
2587                         shinfo->frags[shinfo->nr_frags].page = NULL;
2588                         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2589                                                PCI_DMA_FROMDEVICE);
2590                         cons_rx_pg->page = page;
2591                         pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2592                         dev_kfree_skb(skb);
2593                 }
2594                 if (prod != cons) {
2595                         prod_rx_pg->page = cons_rx_pg->page;
2596                         cons_rx_pg->page = NULL;
2597                         pci_unmap_addr_set(prod_rx_pg, mapping,
2598                                 pci_unmap_addr(cons_rx_pg, mapping));
2599
2600                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2601                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2602
2603                 }
2604                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2605                 hw_prod = NEXT_RX_BD(hw_prod);
2606         }
2607         bnapi->rx_pg_prod = hw_prod;
2608         bnapi->rx_pg_cons = cons;
2609 }
2610
2611 static inline void
2612 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2613         u16 cons, u16 prod)
2614 {
2615         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2616         struct rx_bd *cons_bd, *prod_bd;
2617
2618         cons_rx_buf = &bp->rx_buf_ring[cons];
2619         prod_rx_buf = &bp->rx_buf_ring[prod];
2620
2621         pci_dma_sync_single_for_device(bp->pdev,
2622                 pci_unmap_addr(cons_rx_buf, mapping),
2623                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2624
2625         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2626
2627         prod_rx_buf->skb = skb;
2628
2629         if (cons == prod)
2630                 return;
2631
2632         pci_unmap_addr_set(prod_rx_buf, mapping,
2633                         pci_unmap_addr(cons_rx_buf, mapping));
2634
2635         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2636         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2637         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2638         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2639 }
2640
2641 static int
2642 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2643             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2644             u32 ring_idx)
2645 {
2646         int err;
2647         u16 prod = ring_idx & 0xffff;
2648
2649         err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2650         if (unlikely(err)) {
2651                 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2652                 if (hdr_len) {
2653                         unsigned int raw_len = len + 4;
2654                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2655
2656                         bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2657                 }
2658                 return err;
2659         }
2660
2661         skb_reserve(skb, bp->rx_offset);
2662         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2663                          PCI_DMA_FROMDEVICE);
2664
2665         if (hdr_len == 0) {
2666                 skb_put(skb, len);
2667                 return 0;
2668         } else {
2669                 unsigned int i, frag_len, frag_size, pages;
2670                 struct sw_pg *rx_pg;
2671                 u16 pg_cons = bnapi->rx_pg_cons;
2672                 u16 pg_prod = bnapi->rx_pg_prod;
2673
2674                 frag_size = len + 4 - hdr_len;
2675                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2676                 skb_put(skb, hdr_len);
2677
2678                 for (i = 0; i < pages; i++) {
2679                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2680                         if (unlikely(frag_len <= 4)) {
2681                                 unsigned int tail = 4 - frag_len;
2682
2683                                 bnapi->rx_pg_cons = pg_cons;
2684                                 bnapi->rx_pg_prod = pg_prod;
2685                                 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2686                                                         pages - i);
2687                                 skb->len -= tail;
2688                                 if (i == 0) {
2689                                         skb->tail -= tail;
2690                                 } else {
2691                                         skb_frag_t *frag =
2692                                                 &skb_shinfo(skb)->frags[i - 1];
2693                                         frag->size -= tail;
2694                                         skb->data_len -= tail;
2695                                         skb->truesize -= tail;
2696                                 }
2697                                 return 0;
2698                         }
2699                         rx_pg = &bp->rx_pg_ring[pg_cons];
2700
2701                         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2702                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2703
2704                         if (i == pages - 1)
2705                                 frag_len -= 4;
2706
2707                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2708                         rx_pg->page = NULL;
2709
2710                         err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2711                         if (unlikely(err)) {
2712                                 bnapi->rx_pg_cons = pg_cons;
2713                                 bnapi->rx_pg_prod = pg_prod;
2714                                 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2715                                                         pages - i);
2716                                 return err;
2717                         }
2718
2719                         frag_size -= frag_len;
2720                         skb->data_len += frag_len;
2721                         skb->truesize += frag_len;
2722                         skb->len += frag_len;
2723
2724                         pg_prod = NEXT_RX_BD(pg_prod);
2725                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2726                 }
2727                 bnapi->rx_pg_prod = pg_prod;
2728                 bnapi->rx_pg_cons = pg_cons;
2729         }
2730         return 0;
2731 }
2732
2733 static inline u16
2734 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2735 {
2736         u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2737
2738         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2739                 cons++;
2740         return cons;
2741 }
2742
2743 static int
2744 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2745 {
2746         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2747         struct l2_fhdr *rx_hdr;
2748         int rx_pkt = 0, pg_ring_used = 0;
2749
2750         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2751         sw_cons = bnapi->rx_cons;
2752         sw_prod = bnapi->rx_prod;
2753
2754         /* Memory barrier necessary as speculative reads of the rx
2755          * buffer can be ahead of the index in the status block
2756          */
2757         rmb();
2758         while (sw_cons != hw_cons) {
2759                 unsigned int len, hdr_len;
2760                 u32 status;
2761                 struct sw_bd *rx_buf;
2762                 struct sk_buff *skb;
2763                 dma_addr_t dma_addr;
2764
2765                 sw_ring_cons = RX_RING_IDX(sw_cons);
2766                 sw_ring_prod = RX_RING_IDX(sw_prod);
2767
2768                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2769                 skb = rx_buf->skb;
2770
2771                 rx_buf->skb = NULL;
2772
2773                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2774
2775                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2776                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2777
2778                 rx_hdr = (struct l2_fhdr *) skb->data;
2779                 len = rx_hdr->l2_fhdr_pkt_len;
2780
2781                 if ((status = rx_hdr->l2_fhdr_status) &
2782                         (L2_FHDR_ERRORS_BAD_CRC |
2783                         L2_FHDR_ERRORS_PHY_DECODE |
2784                         L2_FHDR_ERRORS_ALIGNMENT |
2785                         L2_FHDR_ERRORS_TOO_SHORT |
2786                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2787
2788                         bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2789                                           sw_ring_prod);
2790                         goto next_rx;
2791                 }
2792                 hdr_len = 0;
2793                 if (status & L2_FHDR_STATUS_SPLIT) {
2794                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2795                         pg_ring_used = 1;
2796                 } else if (len > bp->rx_jumbo_thresh) {
2797                         hdr_len = bp->rx_jumbo_thresh;
2798                         pg_ring_used = 1;
2799                 }
2800
2801                 len -= 4;
2802
2803                 if (len <= bp->rx_copy_thresh) {
2804                         struct sk_buff *new_skb;
2805
2806                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2807                         if (new_skb == NULL) {
2808                                 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2809                                                   sw_ring_prod);
2810                                 goto next_rx;
2811                         }
2812
2813                         /* aligned copy */
2814                         skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2815                                       new_skb->data, len + 2);
2816                         skb_reserve(new_skb, 2);
2817                         skb_put(new_skb, len);
2818
2819                         bnx2_reuse_rx_skb(bp, bnapi, skb,
2820                                 sw_ring_cons, sw_ring_prod);
2821
2822                         skb = new_skb;
2823                 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2824                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2825                         goto next_rx;
2826
2827                 skb->protocol = eth_type_trans(skb, bp->dev);
2828
2829                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2830                         (ntohs(skb->protocol) != 0x8100)) {
2831
2832                         dev_kfree_skb(skb);
2833                         goto next_rx;
2834
2835                 }
2836
2837                 skb->ip_summed = CHECKSUM_NONE;
2838                 if (bp->rx_csum &&
2839                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2840                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2841
2842                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2843                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2844                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2845                 }
2846
2847 #ifdef BCM_VLAN
2848                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2849                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2850                                 rx_hdr->l2_fhdr_vlan_tag);
2851                 }
2852                 else
2853 #endif
2854                         netif_receive_skb(skb);
2855
2856                 bp->dev->last_rx = jiffies;
2857                 rx_pkt++;
2858
2859 next_rx:
2860                 sw_cons = NEXT_RX_BD(sw_cons);
2861                 sw_prod = NEXT_RX_BD(sw_prod);
2862
2863                 if ((rx_pkt == budget))
2864                         break;
2865
2866                 /* Refresh hw_cons to see if there is new work */
2867                 if (sw_cons == hw_cons) {
2868                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2869                         rmb();
2870                 }
2871         }
2872         bnapi->rx_cons = sw_cons;
2873         bnapi->rx_prod = sw_prod;
2874
2875         if (pg_ring_used)
2876                 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2877                          bnapi->rx_pg_prod);
2878
2879         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2880
2881         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2882
2883         mmiowb();
2884
2885         return rx_pkt;
2886
2887 }
2888
2889 /* MSI ISR - The only difference between this and the INTx ISR
2890  * is that the MSI interrupt is always serviced.
2891  */
2892 static irqreturn_t
2893 bnx2_msi(int irq, void *dev_instance)
2894 {
2895         struct net_device *dev = dev_instance;
2896         struct bnx2 *bp = netdev_priv(dev);
2897         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2898
2899         prefetch(bnapi->status_blk);
2900         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2901                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2902                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2903
2904         /* Return here if interrupt is disabled. */
2905         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2906                 return IRQ_HANDLED;
2907
2908         netif_rx_schedule(dev, &bnapi->napi);
2909
2910         return IRQ_HANDLED;
2911 }
2912
2913 static irqreturn_t
2914 bnx2_msi_1shot(int irq, void *dev_instance)
2915 {
2916         struct net_device *dev = dev_instance;
2917         struct bnx2 *bp = netdev_priv(dev);
2918         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2919
2920         prefetch(bnapi->status_blk);
2921
2922         /* Return here if interrupt is disabled. */
2923         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2924                 return IRQ_HANDLED;
2925
2926         netif_rx_schedule(dev, &bnapi->napi);
2927
2928         return IRQ_HANDLED;
2929 }
2930
2931 static irqreturn_t
2932 bnx2_interrupt(int irq, void *dev_instance)
2933 {
2934         struct net_device *dev = dev_instance;
2935         struct bnx2 *bp = netdev_priv(dev);
2936         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2937         struct status_block *sblk = bnapi->status_blk;
2938
2939         /* When using INTx, it is possible for the interrupt to arrive
2940          * at the CPU before the status block posted prior to the
2941          * interrupt. Reading a register will flush the status block.
2942          * When using MSI, the MSI message will always complete after
2943          * the status block write.
2944          */
2945         if ((sblk->status_idx == bnapi->last_status_idx) &&
2946             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2947              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2948                 return IRQ_NONE;
2949
2950         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2951                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2952                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2953
2954         /* Read back to deassert IRQ immediately to avoid too many
2955          * spurious interrupts.
2956          */
2957         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2958
2959         /* Return here if interrupt is shared and is disabled. */
2960         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2961                 return IRQ_HANDLED;
2962
2963         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2964                 bnapi->last_status_idx = sblk->status_idx;
2965                 __netif_rx_schedule(dev, &bnapi->napi);
2966         }
2967
2968         return IRQ_HANDLED;
2969 }
2970
2971 static irqreturn_t
2972 bnx2_tx_msix(int irq, void *dev_instance)
2973 {
2974         struct net_device *dev = dev_instance;
2975         struct bnx2 *bp = netdev_priv(dev);
2976         struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2977
2978         prefetch(bnapi->status_blk_msix);
2979
2980         /* Return here if interrupt is disabled. */
2981         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2982                 return IRQ_HANDLED;
2983
2984         netif_rx_schedule(dev, &bnapi->napi);
2985         return IRQ_HANDLED;
2986 }
2987
2988 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
2989                                  STATUS_ATTN_BITS_TIMER_ABORT)
2990
2991 static inline int
2992 bnx2_has_work(struct bnx2_napi *bnapi)
2993 {
2994         struct status_block *sblk = bnapi->status_blk;
2995
2996         if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2997             (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2998                 return 1;
2999
3000         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3001             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3002                 return 1;
3003
3004         return 0;
3005 }
3006
3007 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3008 {
3009         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3010         struct bnx2 *bp = bnapi->bp;
3011         int work_done = 0;
3012         struct status_block_msix *sblk = bnapi->status_blk_msix;
3013
3014         do {
3015                 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3016                 if (unlikely(work_done >= budget))
3017                         return work_done;
3018
3019                 bnapi->last_status_idx = sblk->status_idx;
3020                 rmb();
3021         } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3022
3023         netif_rx_complete(bp->dev, napi);
3024         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3025                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3026                bnapi->last_status_idx);
3027         return work_done;
3028 }
3029
3030 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3031                           int work_done, int budget)
3032 {
3033         struct status_block *sblk = bnapi->status_blk;
3034         u32 status_attn_bits = sblk->status_attn_bits;
3035         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3036
3037         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3038             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3039
3040                 bnx2_phy_int(bp, bnapi);
3041
3042                 /* This is needed to take care of transient status
3043                  * during link changes.
3044                  */
3045                 REG_WR(bp, BNX2_HC_COMMAND,
3046                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3047                 REG_RD(bp, BNX2_HC_COMMAND);
3048         }
3049
3050         if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3051                 bnx2_tx_int(bp, bnapi, 0);
3052
3053         if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3054                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3055
3056         return work_done;
3057 }
3058
3059 static int bnx2_poll(struct napi_struct *napi, int budget)
3060 {
3061         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3062         struct bnx2 *bp = bnapi->bp;
3063         int work_done = 0;
3064         struct status_block *sblk = bnapi->status_blk;
3065
3066         while (1) {
3067                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3068
3069                 if (unlikely(work_done >= budget))
3070                         break;
3071
3072                 /* bnapi->last_status_idx is used below to tell the hw how
3073                  * much work has been processed, so we must read it before
3074                  * checking for more work.
3075                  */
3076                 bnapi->last_status_idx = sblk->status_idx;
3077                 rmb();
3078                 if (likely(!bnx2_has_work(bnapi))) {
3079                         netif_rx_complete(bp->dev, napi);
3080                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3081                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3083                                        bnapi->last_status_idx);
3084                                 break;
3085                         }
3086                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3088                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3089                                bnapi->last_status_idx);
3090
3091                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3092                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3093                                bnapi->last_status_idx);
3094                         break;
3095                 }
3096         }
3097
3098         return work_done;
3099 }
3100
3101 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3102  * from set_multicast.
3103  */
3104 static void
3105 bnx2_set_rx_mode(struct net_device *dev)
3106 {
3107         struct bnx2 *bp = netdev_priv(dev);
3108         u32 rx_mode, sort_mode;
3109         int i;
3110
3111         spin_lock_bh(&bp->phy_lock);
3112
3113         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3114                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3115         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3116 #ifdef BCM_VLAN
3117         if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3118                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3119 #else
3120         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3121                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3122 #endif
3123         if (dev->flags & IFF_PROMISC) {
3124                 /* Promiscuous mode. */
3125                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3126                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3127                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3128         }
3129         else if (dev->flags & IFF_ALLMULTI) {
3130                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3131                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3132                                0xffffffff);
3133                 }
3134                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3135         }
3136         else {
3137                 /* Accept one or more multicast(s). */
3138                 struct dev_mc_list *mclist;
3139                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3140                 u32 regidx;
3141                 u32 bit;
3142                 u32 crc;
3143
3144                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3145
3146                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3147                      i++, mclist = mclist->next) {
3148
3149                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3150                         bit = crc & 0xff;
3151                         regidx = (bit & 0xe0) >> 5;
3152                         bit &= 0x1f;
3153                         mc_filter[regidx] |= (1 << bit);
3154                 }
3155
3156                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3157                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3158                                mc_filter[i]);
3159                 }
3160
3161                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3162         }
3163
3164         if (rx_mode != bp->rx_mode) {
3165                 bp->rx_mode = rx_mode;
3166                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3167         }
3168
3169         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3170         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3171         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3172
3173         spin_unlock_bh(&bp->phy_lock);
3174 }
3175
3176 static void
3177 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3178         u32 rv2p_proc)
3179 {
3180         int i;
3181         u32 val;
3182
3183
3184         for (i = 0; i < rv2p_code_len; i += 8) {
3185                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3186                 rv2p_code++;
3187                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3188                 rv2p_code++;
3189
3190                 if (rv2p_proc == RV2P_PROC1) {
3191                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3192                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3193                 }
3194                 else {
3195                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3196                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3197                 }
3198         }
3199
3200         /* Reset the processor, un-stall is done later. */
3201         if (rv2p_proc == RV2P_PROC1) {
3202                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3203         }
3204         else {
3205                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3206         }
3207 }
3208
3209 static int
3210 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3211 {
3212         u32 offset;
3213         u32 val;
3214         int rc;
3215
3216         /* Halt the CPU. */
3217         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3218         val |= cpu_reg->mode_value_halt;
3219         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3220         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3221
3222         /* Load the Text area. */
3223         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3224         if (fw->gz_text) {
3225                 int j;
3226
3227                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3228                                        fw->gz_text_len);
3229                 if (rc < 0)
3230                         return rc;
3231
3232                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3233                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3234                 }
3235         }
3236
3237         /* Load the Data area. */
3238         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3239         if (fw->data) {
3240                 int j;
3241
3242                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3243                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3244                 }
3245         }
3246
3247         /* Load the SBSS area. */
3248         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3249         if (fw->sbss_len) {
3250                 int j;
3251
3252                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3253                         bnx2_reg_wr_ind(bp, offset, 0);
3254                 }
3255         }
3256
3257         /* Load the BSS area. */
3258         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3259         if (fw->bss_len) {
3260                 int j;
3261
3262                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3263                         bnx2_reg_wr_ind(bp, offset, 0);
3264                 }
3265         }
3266
3267         /* Load the Read-Only area. */
3268         offset = cpu_reg->spad_base +
3269                 (fw->rodata_addr - cpu_reg->mips_view_base);
3270         if (fw->rodata) {
3271                 int j;
3272
3273                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3274                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3275                 }
3276         }
3277
3278         /* Clear the pre-fetch instruction. */
3279         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3280         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3281
3282         /* Start the CPU. */
3283         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3284         val &= ~cpu_reg->mode_value_halt;
3285         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3286         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3287
3288         return 0;
3289 }
3290
3291 static int
3292 bnx2_init_cpus(struct bnx2 *bp)
3293 {
3294         struct cpu_reg cpu_reg;
3295         struct fw_info *fw;
3296         int rc, rv2p_len;
3297         void *text, *rv2p;
3298
3299         /* Initialize the RV2P processor. */
3300         text = vmalloc(FW_BUF_SIZE);
3301         if (!text)
3302                 return -ENOMEM;
3303         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3304                 rv2p = bnx2_xi_rv2p_proc1;
3305                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3306         } else {
3307                 rv2p = bnx2_rv2p_proc1;
3308                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3309         }
3310         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3311         if (rc < 0)
3312                 goto init_cpu_err;
3313
3314         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3315
3316         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3317                 rv2p = bnx2_xi_rv2p_proc2;
3318                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3319         } else {
3320                 rv2p = bnx2_rv2p_proc2;
3321                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3322         }
3323         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3324         if (rc < 0)
3325                 goto init_cpu_err;
3326
3327         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3328
3329         /* Initialize the RX Processor. */
3330         cpu_reg.mode = BNX2_RXP_CPU_MODE;
3331         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3332         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3333         cpu_reg.state = BNX2_RXP_CPU_STATE;
3334         cpu_reg.state_value_clear = 0xffffff;
3335         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3336         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3337         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3338         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3339         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3340         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3341         cpu_reg.mips_view_base = 0x8000000;
3342
3343         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3344                 fw = &bnx2_rxp_fw_09;
3345         else
3346                 fw = &bnx2_rxp_fw_06;
3347
3348         fw->text = text;
3349         rc = load_cpu_fw(bp, &cpu_reg, fw);
3350         if (rc)
3351                 goto init_cpu_err;
3352
3353         /* Initialize the TX Processor. */
3354         cpu_reg.mode = BNX2_TXP_CPU_MODE;
3355         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3356         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3357         cpu_reg.state = BNX2_TXP_CPU_STATE;
3358         cpu_reg.state_value_clear = 0xffffff;
3359         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3360         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3361         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3362         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3363         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3364         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3365         cpu_reg.mips_view_base = 0x8000000;
3366
3367         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3368                 fw = &bnx2_txp_fw_09;
3369         else
3370                 fw = &bnx2_txp_fw_06;
3371
3372         fw->text = text;
3373         rc = load_cpu_fw(bp, &cpu_reg, fw);
3374         if (rc)
3375                 goto init_cpu_err;
3376
3377         /* Initialize the TX Patch-up Processor. */
3378         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3379         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3380         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3381         cpu_reg.state = BNX2_TPAT_CPU_STATE;
3382         cpu_reg.state_value_clear = 0xffffff;
3383         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3384         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3385         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3386         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3387         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3388         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3389         cpu_reg.mips_view_base = 0x8000000;
3390
3391         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3392                 fw = &bnx2_tpat_fw_09;
3393         else
3394                 fw = &bnx2_tpat_fw_06;
3395
3396         fw->text = text;
3397         rc = load_cpu_fw(bp, &cpu_reg, fw);
3398         if (rc)
3399                 goto init_cpu_err;
3400
3401         /* Initialize the Completion Processor. */
3402         cpu_reg.mode = BNX2_COM_CPU_MODE;
3403         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3404         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3405         cpu_reg.state = BNX2_COM_CPU_STATE;
3406         cpu_reg.state_value_clear = 0xffffff;
3407         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3408         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3409         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3410         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3411         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3412         cpu_reg.spad_base = BNX2_COM_SCRATCH;
3413         cpu_reg.mips_view_base = 0x8000000;
3414
3415         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3416                 fw = &bnx2_com_fw_09;
3417         else
3418                 fw = &bnx2_com_fw_06;
3419
3420         fw->text = text;
3421         rc = load_cpu_fw(bp, &cpu_reg, fw);
3422         if (rc)
3423                 goto init_cpu_err;
3424
3425         /* Initialize the Command Processor. */
3426         cpu_reg.mode = BNX2_CP_CPU_MODE;
3427         cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3428         cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3429         cpu_reg.state = BNX2_CP_CPU_STATE;
3430         cpu_reg.state_value_clear = 0xffffff;
3431         cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3432         cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3433         cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3434         cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3435         cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3436         cpu_reg.spad_base = BNX2_CP_SCRATCH;
3437         cpu_reg.mips_view_base = 0x8000000;
3438
3439         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3440                 fw = &bnx2_cp_fw_09;
3441         else
3442                 fw = &bnx2_cp_fw_06;
3443
3444         fw->text = text;
3445         rc = load_cpu_fw(bp, &cpu_reg, fw);
3446
3447 init_cpu_err:
3448         vfree(text);
3449         return rc;
3450 }
3451
3452 static int
3453 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3454 {
3455         u16 pmcsr;
3456
3457         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3458
3459         switch (state) {
3460         case PCI_D0: {
3461                 u32 val;
3462
3463                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3464                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3465                         PCI_PM_CTRL_PME_STATUS);
3466
3467                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3468                         /* delay required during transition out of D3hot */
3469                         msleep(20);
3470
3471                 val = REG_RD(bp, BNX2_EMAC_MODE);
3472                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3473                 val &= ~BNX2_EMAC_MODE_MPKT;
3474                 REG_WR(bp, BNX2_EMAC_MODE, val);
3475
3476                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3477                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3478                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3479                 break;
3480         }
3481         case PCI_D3hot: {
3482                 int i;
3483                 u32 val, wol_msg;
3484
3485                 if (bp->wol) {
3486                         u32 advertising;
3487                         u8 autoneg;
3488
3489                         autoneg = bp->autoneg;
3490                         advertising = bp->advertising;
3491
3492                         if (bp->phy_port == PORT_TP) {
3493                                 bp->autoneg = AUTONEG_SPEED;
3494                                 bp->advertising = ADVERTISED_10baseT_Half |
3495                                         ADVERTISED_10baseT_Full |
3496                                         ADVERTISED_100baseT_Half |
3497                                         ADVERTISED_100baseT_Full |
3498                                         ADVERTISED_Autoneg;
3499                         }
3500
3501                         spin_lock_bh(&bp->phy_lock);
3502                         bnx2_setup_phy(bp, bp->phy_port);
3503                         spin_unlock_bh(&bp->phy_lock);
3504
3505                         bp->autoneg = autoneg;
3506                         bp->advertising = advertising;
3507
3508                         bnx2_set_mac_addr(bp);
3509
3510                         val = REG_RD(bp, BNX2_EMAC_MODE);
3511
3512                         /* Enable port mode. */
3513                         val &= ~BNX2_EMAC_MODE_PORT;
3514                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3515                                BNX2_EMAC_MODE_ACPI_RCVD |
3516                                BNX2_EMAC_MODE_MPKT;
3517                         if (bp->phy_port == PORT_TP)
3518                                 val |= BNX2_EMAC_MODE_PORT_MII;
3519                         else {
3520                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3521                                 if (bp->line_speed == SPEED_2500)
3522                                         val |= BNX2_EMAC_MODE_25G_MODE;
3523                         }
3524
3525                         REG_WR(bp, BNX2_EMAC_MODE, val);
3526
3527                         /* receive all multicast */
3528                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3529                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3530                                        0xffffffff);
3531                         }
3532                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3533                                BNX2_EMAC_RX_MODE_SORT_MODE);
3534
3535                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3536                               BNX2_RPM_SORT_USER0_MC_EN;
3537                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3538                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3539                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3540                                BNX2_RPM_SORT_USER0_ENA);
3541
3542                         /* Need to enable EMAC and RPM for WOL. */
3543                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3544                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3545                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3546                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3547
3548                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3549                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3550                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3551
3552                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3553                 }
3554                 else {
3555                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3556                 }
3557
3558                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3559                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3560
3561                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3562                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3563                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3564
3565                         if (bp->wol)
3566                                 pmcsr |= 3;
3567                 }
3568                 else {
3569                         pmcsr |= 3;
3570                 }
3571                 if (bp->wol) {
3572                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3573                 }
3574                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3575                                       pmcsr);
3576
3577                 /* No more memory access after this point until
3578                  * device is brought back to D0.
3579                  */
3580                 udelay(50);
3581                 break;
3582         }
3583         default:
3584                 return -EINVAL;
3585         }
3586         return 0;
3587 }
3588
3589 static int
3590 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3591 {
3592         u32 val;
3593         int j;
3594
3595         /* Request access to the flash interface. */
3596         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3597         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3598                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3599                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3600                         break;
3601
3602                 udelay(5);
3603         }
3604
3605         if (j >= NVRAM_TIMEOUT_COUNT)
3606                 return -EBUSY;
3607
3608         return 0;
3609 }
3610
3611 static int
3612 bnx2_release_nvram_lock(struct bnx2 *bp)
3613 {
3614         int j;
3615         u32 val;
3616
3617         /* Relinquish nvram interface. */
3618         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3619
3620         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3621                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3622                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3623                         break;
3624
3625                 udelay(5);
3626         }
3627
3628         if (j >= NVRAM_TIMEOUT_COUNT)
3629                 return -EBUSY;
3630
3631         return 0;
3632 }
3633
3634
3635 static int
3636 bnx2_enable_nvram_write(struct bnx2 *bp)
3637 {
3638         u32 val;
3639
3640         val = REG_RD(bp, BNX2_MISC_CFG);
3641         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3642
3643         if (bp->flash_info->flags & BNX2_NV_WREN) {
3644                 int j;
3645
3646                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3647                 REG_WR(bp, BNX2_NVM_COMMAND,
3648                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3649
3650                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3651                         udelay(5);
3652
3653                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3654                         if (val & BNX2_NVM_COMMAND_DONE)
3655                                 break;
3656                 }
3657
3658                 if (j >= NVRAM_TIMEOUT_COUNT)
3659                         return -EBUSY;
3660         }
3661         return 0;
3662 }
3663
3664 static void
3665 bnx2_disable_nvram_write(struct bnx2 *bp)
3666 {
3667         u32 val;
3668
3669         val = REG_RD(bp, BNX2_MISC_CFG);
3670         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3671 }
3672
3673
3674 static void
3675 bnx2_enable_nvram_access(struct bnx2 *bp)
3676 {
3677         u32 val;
3678
3679         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3680         /* Enable both bits, even on read. */
3681         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3682                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3683 }
3684
3685 static void
3686 bnx2_disable_nvram_access(struct bnx2 *bp)
3687 {
3688         u32 val;
3689
3690         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3691         /* Disable both bits, even after read. */
3692         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3693                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3694                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3695 }
3696
3697 static int
3698 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3699 {
3700         u32 cmd;
3701         int j;
3702
3703         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3704                 /* Buffered flash, no erase needed */
3705                 return 0;
3706
3707         /* Build an erase command */
3708         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3709               BNX2_NVM_COMMAND_DOIT;
3710
3711         /* Need to clear DONE bit separately. */
3712         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3713
3714         /* Address of the NVRAM to read from. */
3715         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3716
3717         /* Issue an erase command. */
3718         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3719
3720         /* Wait for completion. */
3721         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3722                 u32 val;
3723
3724                 udelay(5);
3725
3726                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3727                 if (val & BNX2_NVM_COMMAND_DONE)
3728                         break;
3729         }
3730
3731         if (j >= NVRAM_TIMEOUT_COUNT)
3732                 return -EBUSY;
3733
3734         return 0;
3735 }
3736
3737 static int
3738 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3739 {
3740         u32 cmd;
3741         int j;
3742
3743         /* Build the command word. */
3744         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3745
3746         /* Calculate an offset of a buffered flash, not needed for 5709. */
3747         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3748                 offset = ((offset / bp->flash_info->page_size) <<
3749                            bp->flash_info->page_bits) +
3750                           (offset % bp->flash_info->page_size);
3751         }
3752
3753         /* Need to clear DONE bit separately. */
3754         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3755
3756         /* Address of the NVRAM to read from. */
3757         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3758
3759         /* Issue a read command. */
3760         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3761
3762         /* Wait for completion. */
3763         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3764                 u32 val;
3765
3766                 udelay(5);
3767
3768                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3769                 if (val & BNX2_NVM_COMMAND_DONE) {
3770                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3771                         memcpy(ret_val, &v, 4);
3772                         break;
3773                 }
3774         }
3775         if (j >= NVRAM_TIMEOUT_COUNT)
3776                 return -EBUSY;
3777
3778         return 0;
3779 }
3780
3781
3782 static int
3783 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3784 {
3785         u32 cmd;
3786         __be32 val32;
3787         int j;
3788
3789         /* Build the command word. */
3790         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3791
3792         /* Calculate an offset of a buffered flash, not needed for 5709. */
3793         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3794                 offset = ((offset / bp->flash_info->page_size) <<
3795                           bp->flash_info->page_bits) +
3796                          (offset % bp->flash_info->page_size);
3797         }
3798
3799         /* Need to clear DONE bit separately. */
3800         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3801
3802         memcpy(&val32, val, 4);
3803
3804         /* Write the data. */
3805         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3806
3807         /* Address of the NVRAM to write to. */
3808         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3809
3810         /* Issue the write command. */
3811         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3812
3813         /* Wait for completion. */
3814         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3815                 udelay(5);
3816
3817                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3818                         break;
3819         }
3820         if (j >= NVRAM_TIMEOUT_COUNT)
3821                 return -EBUSY;
3822
3823         return 0;
3824 }
3825
3826 static int
3827 bnx2_init_nvram(struct bnx2 *bp)
3828 {
3829         u32 val;
3830         int j, entry_count, rc = 0;
3831         struct flash_spec *flash;
3832
3833         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3834                 bp->flash_info = &flash_5709;
3835                 goto get_flash_size;
3836         }
3837
3838         /* Determine the selected interface. */
3839         val = REG_RD(bp, BNX2_NVM_CFG1);
3840
3841         entry_count = ARRAY_SIZE(flash_table);
3842
3843         if (val & 0x40000000) {
3844
3845                 /* Flash interface has been reconfigured */
3846                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3847                      j++, flash++) {
3848                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3849                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3850                                 bp->flash_info = flash;
3851                                 break;
3852                         }
3853                 }
3854         }
3855         else {
3856                 u32 mask;
3857                 /* Not yet been reconfigured */
3858
3859                 if (val & (1 << 23))
3860                         mask = FLASH_BACKUP_STRAP_MASK;
3861                 else
3862                         mask = FLASH_STRAP_MASK;
3863
3864                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3865                         j++, flash++) {
3866
3867                         if ((val & mask) == (flash->strapping & mask)) {
3868                                 bp->flash_info = flash;
3869
3870                                 /* Request access to the flash interface. */
3871                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3872                                         return rc;
3873
3874                                 /* Enable access to flash interface */
3875                                 bnx2_enable_nvram_access(bp);
3876
3877                                 /* Reconfigure the flash interface */
3878                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3879                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3880                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3881                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3882
3883                                 /* Disable access to flash interface */
3884                                 bnx2_disable_nvram_access(bp);
3885                                 bnx2_release_nvram_lock(bp);
3886
3887                                 break;
3888                         }
3889                 }
3890         } /* if (val & 0x40000000) */
3891
3892         if (j == entry_count) {
3893                 bp->flash_info = NULL;
3894                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3895                 return -ENODEV;
3896         }
3897
3898 get_flash_size:
3899         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3900         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3901         if (val)
3902                 bp->flash_size = val;
3903         else
3904                 bp->flash_size = bp->flash_info->total_size;
3905
3906         return rc;
3907 }
3908
3909 static int
3910 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3911                 int buf_size)
3912 {
3913         int rc = 0;
3914         u32 cmd_flags, offset32, len32, extra;
3915
3916         if (buf_size == 0)
3917                 return 0;
3918
3919         /* Request access to the flash interface. */
3920         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3921                 return rc;
3922
3923         /* Enable access to flash interface */
3924         bnx2_enable_nvram_access(bp);
3925
3926         len32 = buf_size;
3927         offset32 = offset;
3928         extra = 0;
3929
3930         cmd_flags = 0;
3931
3932         if (offset32 & 3) {
3933                 u8 buf[4];
3934                 u32 pre_len;
3935
3936                 offset32 &= ~3;
3937                 pre_len = 4 - (offset & 3);
3938
3939                 if (pre_len >= len32) {
3940                         pre_len = len32;
3941                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3942                                     BNX2_NVM_COMMAND_LAST;
3943                 }
3944                 else {
3945                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3946                 }
3947
3948                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3949
3950                 if (rc)
3951                         return rc;
3952
3953                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3954
3955                 offset32 += 4;
3956                 ret_buf += pre_len;
3957                 len32 -= pre_len;
3958         }
3959         if (len32 & 3) {
3960                 extra = 4 - (len32 & 3);
3961                 len32 = (len32 + 4) & ~3;
3962         }
3963
3964         if (len32 == 4) {
3965                 u8 buf[4];
3966
3967                 if (cmd_flags)
3968                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3969                 else
3970                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3971                                     BNX2_NVM_COMMAND_LAST;
3972
3973                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3974
3975                 memcpy(ret_buf, buf, 4 - extra);
3976         }
3977         else if (len32 > 0) {
3978                 u8 buf[4];
3979
3980                 /* Read the first word. */
3981                 if (cmd_flags)
3982                         cmd_flags = 0;
3983                 else
3984                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3985
3986                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3987
3988                 /* Advance to the next dword. */
3989                 offset32 += 4;
3990                 ret_buf += 4;
3991                 len32 -= 4;
3992
3993                 while (len32 > 4 && rc == 0) {
3994                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3995
3996                         /* Advance to the next dword. */
3997                         offset32 += 4;
3998                         ret_buf += 4;
3999                         len32 -= 4;
4000                 }
4001
4002                 if (rc)
4003                         return rc;
4004
4005                 cmd_flags = BNX2_NVM_COMMAND_LAST;
4006                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4007
4008                 memcpy(ret_buf, buf, 4 - extra);
4009         }
4010
4011         /* Disable access to flash interface */
4012         bnx2_disable_nvram_access(bp);
4013
4014         bnx2_release_nvram_lock(bp);
4015
4016         return rc;
4017 }
4018
4019 static int
4020 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4021                 int buf_size)
4022 {
4023         u32 written, offset32, len32;
4024         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4025         int rc = 0;
4026         int align_start, align_end;
4027
4028         buf = data_buf;
4029         offset32 = offset;
4030         len32 = buf_size;
4031         align_start = align_end = 0;
4032
4033         if ((align_start = (offset32 & 3))) {
4034                 offset32 &= ~3;
4035                 len32 += align_start;
4036                 if (len32 < 4)
4037                         len32 = 4;
4038                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4039                         return rc;
4040         }
4041
4042         if (len32 & 3) {
4043                 align_end = 4 - (len32 & 3);
4044                 len32 += align_end;
4045                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4046                         return rc;
4047         }
4048
4049         if (align_start || align_end) {
4050                 align_buf = kmalloc(len32, GFP_KERNEL);
4051                 if (align_buf == NULL)
4052                         return -ENOMEM;
4053                 if (align_start) {
4054                         memcpy(align_buf, start, 4);
4055                 }
4056                 if (align_end) {
4057                         memcpy(align_buf + len32 - 4, end, 4);
4058                 }
4059                 memcpy(align_buf + align_start, data_buf, buf_size);
4060                 buf = align_buf;
4061         }
4062
4063         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4064                 flash_buffer = kmalloc(264, GFP_KERNEL);
4065                 if (flash_buffer == NULL) {
4066                         rc = -ENOMEM;
4067                         goto nvram_write_end;
4068                 }
4069         }
4070
4071         written = 0;
4072         while ((written < len32) && (rc == 0)) {
4073                 u32 page_start, page_end, data_start, data_end;
4074                 u32 addr, cmd_flags;
4075                 int i;
4076
4077                 /* Find the page_start addr */
4078                 page_start = offset32 + written;
4079                 page_start -= (page_start % bp->flash_info->page_size);
4080                 /* Find the page_end addr */
4081                 page_end = page_start + bp->flash_info->page_size;
4082                 /* Find the data_start addr */
4083                 data_start = (written == 0) ? offset32 : page_start;
4084                 /* Find the data_end addr */
4085                 data_end = (page_end > offset32 + len32) ?
4086                         (offset32 + len32) : page_end;
4087
4088                 /* Request access to the flash interface. */
4089                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4090                         goto nvram_write_end;
4091
4092                 /* Enable access to flash interface */
4093                 bnx2_enable_nvram_access(bp);
4094
4095                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4096                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4097                         int j;
4098
4099                         /* Read the whole page into the buffer
4100                          * (non-buffer flash only) */
4101                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4102                                 if (j == (bp->flash_info->page_size - 4)) {
4103                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4104                                 }
4105                                 rc = bnx2_nvram_read_dword(bp,
4106                                         page_start + j,
4107                                         &flash_buffer[j],
4108                                         cmd_flags);
4109
4110                                 if (rc)
4111                                         goto nvram_write_end;
4112
4113                                 cmd_flags = 0;
4114                         }
4115                 }
4116
4117                 /* Enable writes to flash interface (unlock write-protect) */
4118                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4119                         goto nvram_write_end;
4120
4121                 /* Loop to write back the buffer data from page_start to
4122                  * data_start */
4123                 i = 0;
4124                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4125                         /* Erase the page */
4126                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4127                                 goto nvram_write_end;
4128
4129                         /* Re-enable the write again for the actual write */
4130                         bnx2_enable_nvram_write(bp);
4131
4132                         for (addr = page_start; addr < data_start;
4133                                 addr += 4, i += 4) {
4134
4135                                 rc = bnx2_nvram_write_dword(bp, addr,
4136                                         &flash_buffer[i], cmd_flags);
4137
4138                                 if (rc != 0)
4139                                         goto nvram_write_end;
4140
4141                                 cmd_flags = 0;
4142                         }
4143                 }
4144
4145                 /* Loop to write the new data from data_start to data_end */
4146                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4147                         if ((addr == page_end - 4) ||
4148                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4149                                  (addr == data_end - 4))) {
4150
4151                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4152                         }
4153                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4154                                 cmd_flags);
4155
4156                         if (rc != 0)
4157                                 goto nvram_write_end;
4158
4159                         cmd_flags = 0;
4160                         buf += 4;
4161                 }
4162
4163                 /* Loop to write back the buffer data from data_end
4164                  * to page_end */
4165                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4166                         for (addr = data_end; addr < page_end;
4167                                 addr += 4, i += 4) {
4168
4169                                 if (addr == page_end-4) {
4170                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4171                                 }
4172                                 rc = bnx2_nvram_write_dword(bp, addr,
4173                                         &flash_buffer[i], cmd_flags);
4174
4175                                 if (rc != 0)
4176                                         goto nvram_write_end;
4177
4178                                 cmd_flags = 0;
4179                         }
4180                 }
4181
4182                 /* Disable writes to flash interface (lock write-protect) */
4183                 bnx2_disable_nvram_write(bp);
4184
4185                 /* Disable access to flash interface */
4186                 bnx2_disable_nvram_access(bp);
4187                 bnx2_release_nvram_lock(bp);
4188
4189                 /* Increment written */
4190                 written += data_end - data_start;
4191         }
4192
4193 nvram_write_end:
4194         kfree(flash_buffer);
4195         kfree(align_buf);
4196         return rc;
4197 }
4198
4199 static void
4200 bnx2_init_remote_phy(struct bnx2 *bp)
4201 {
4202         u32 val;
4203
4204         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4205         if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4206                 return;
4207
4208         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4209         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4210                 return;
4211
4212         if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4213                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4214
4215                 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4216                 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4217                         bp->phy_port = PORT_FIBRE;
4218                 else
4219                         bp->phy_port = PORT_TP;
4220
4221                 if (netif_running(bp->dev)) {
4222                         u32 sig;
4223
4224                         sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4225                               BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4226                         bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4227                 }
4228         }
4229 }
4230
4231 static void
4232 bnx2_setup_msix_tbl(struct bnx2 *bp)
4233 {
4234         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4235
4236         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4237         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4238 }
4239
4240 static int
4241 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4242 {
4243         u32 val;
4244         int i, rc = 0;
4245         u8 old_port;
4246
4247         /* Wait for the current PCI transaction to complete before
4248          * issuing a reset. */
4249         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4250                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4251                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4252                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4253                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4254         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4255         udelay(5);
4256
4257         /* Wait for the firmware to tell us it is ok to issue a reset. */
4258         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4259
4260         /* Deposit a driver reset signature so the firmware knows that
4261          * this is a soft reset. */
4262         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4263                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4264
4265         /* Do a dummy read to force the chip to complete all current transaction
4266          * before we issue a reset. */
4267         val = REG_RD(bp, BNX2_MISC_ID);
4268
4269         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4270                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4271                 REG_RD(bp, BNX2_MISC_COMMAND);
4272                 udelay(5);
4273
4274                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4275                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4276
4277                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4278
4279         } else {
4280                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4281                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4282                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4283
4284                 /* Chip reset. */
4285                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4286
4287                 /* Reading back any register after chip reset will hang the
4288                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4289                  * of margin for write posting.
4290                  */
4291                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4292                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4293                         msleep(20);
4294
4295                 /* Reset takes approximate 30 usec */
4296                 for (i = 0; i < 10; i++) {
4297                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4298                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4299                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4300                                 break;
4301                         udelay(10);
4302                 }
4303
4304                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4305                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4306                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4307                         return -EBUSY;
4308                 }
4309         }
4310
4311         /* Make sure byte swapping is properly configured. */
4312         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4313         if (val != 0x01020304) {
4314                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4315                 return -ENODEV;
4316         }
4317
4318         /* Wait for the firmware to finish its initialization. */
4319         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4320         if (rc)
4321                 return rc;
4322
4323         spin_lock_bh(&bp->phy_lock);
4324         old_port = bp->phy_port;
4325         bnx2_init_remote_phy(bp);
4326         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4327             old_port != bp->phy_port)
4328                 bnx2_set_default_remote_link(bp);
4329         spin_unlock_bh(&bp->phy_lock);
4330
4331         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4332                 /* Adjust the voltage regular to two steps lower.  The default
4333                  * of this register is 0x0000000e. */
4334                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4335
4336                 /* Remove bad rbuf memory from the free pool. */
4337                 rc = bnx2_alloc_bad_rbuf(bp);
4338         }
4339
4340         if (bp->flags & BNX2_FLAG_USING_MSIX)
4341                 bnx2_setup_msix_tbl(bp);
4342
4343         return rc;
4344 }
4345
4346 static int
4347 bnx2_init_chip(struct bnx2 *bp)
4348 {
4349         u32 val;
4350         int rc, i;
4351
4352         /* Make sure the interrupt is not active. */
4353         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4354
4355         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4356               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4357 #ifdef __BIG_ENDIAN
4358               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4359 #endif
4360               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4361               DMA_READ_CHANS << 12 |
4362               DMA_WRITE_CHANS << 16;
4363
4364         val |= (0x2 << 20) | (1 << 11);
4365
4366         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4367                 val |= (1 << 23);
4368
4369         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4370             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4371                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4372
4373         REG_WR(bp, BNX2_DMA_CONFIG, val);
4374
4375         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4376                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4377                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4378                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4379         }
4380
4381         if (bp->flags & BNX2_FLAG_PCIX) {
4382                 u16 val16;
4383
4384                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4385                                      &val16);
4386                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4387                                       val16 & ~PCI_X_CMD_ERO);
4388         }
4389
4390         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4391                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4392                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4393                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4394
4395         /* Initialize context mapping and zero out the quick contexts.  The
4396          * context block must have already been enabled. */
4397         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4398                 rc = bnx2_init_5709_context(bp);
4399                 if (rc)
4400                         return rc;
4401         } else
4402                 bnx2_init_context(bp);
4403
4404         if ((rc = bnx2_init_cpus(bp)) != 0)
4405                 return rc;
4406
4407         bnx2_init_nvram(bp);
4408
4409         bnx2_set_mac_addr(bp);
4410
4411         val = REG_RD(bp, BNX2_MQ_CONFIG);
4412         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4413         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4414         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4415                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4416
4417         REG_WR(bp, BNX2_MQ_CONFIG, val);
4418
4419         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4420         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4421         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4422
4423         val = (BCM_PAGE_BITS - 8) << 24;
4424         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4425
4426         /* Configure page size. */
4427         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4428         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4429         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4430         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4431
4432         val = bp->mac_addr[0] +
4433               (bp->mac_addr[1] << 8) +
4434               (bp->mac_addr[2] << 16) +
4435               bp->mac_addr[3] +
4436               (bp->mac_addr[4] << 8) +
4437               (bp->mac_addr[5] << 16);
4438         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4439
4440         /* Program the MTU.  Also include 4 bytes for CRC32. */
4441         val = bp->dev->mtu + ETH_HLEN + 4;
4442         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4443                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4444         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4445
4446         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4447                 bp->bnx2_napi[i].last_status_idx = 0;
4448
4449         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4450
4451         /* Set up how to generate a link change interrupt. */
4452         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4453
4454         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4455                (u64) bp->status_blk_mapping & 0xffffffff);
4456         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4457
4458         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4459                (u64) bp->stats_blk_mapping & 0xffffffff);
4460         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4461                (u64) bp->stats_blk_mapping >> 32);
4462
4463         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4464                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4465
4466         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4467                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4468
4469         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4470                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4471
4472         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4473
4474         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4475
4476         REG_WR(bp, BNX2_HC_COM_TICKS,
4477                (bp->com_ticks_int << 16) | bp->com_ticks);
4478
4479         REG_WR(bp, BNX2_HC_CMD_TICKS,
4480                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4481
4482         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4483                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4484         else
4485                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4486         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4487
4488         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4489                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4490         else {
4491                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4492                       BNX2_HC_CONFIG_COLLECT_STATS;
4493         }
4494
4495         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4496                 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4497                            BNX2_HC_SB_CONFIG_1;
4498
4499                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4500                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4501
4502                 REG_WR(bp, base,
4503                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4504                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4505
4506                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4507                         (bp->tx_quick_cons_trip_int << 16) |
4508                          bp->tx_quick_cons_trip);
4509
4510                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4511                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4512
4513                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4514         }
4515
4516         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4517                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4518
4519         REG_WR(bp, BNX2_HC_CONFIG, val);
4520
4521         /* Clear internal stats counters. */
4522         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4523
4524         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4525
4526         /* Initialize the receive filter. */
4527         bnx2_set_rx_mode(bp->dev);
4528
4529         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4530                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4531                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4532                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4533         }
4534         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4535                           0);
4536
4537         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4538         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4539
4540         udelay(20);
4541
4542         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4543
4544         return rc;
4545 }
4546
4547 static void
4548 bnx2_clear_ring_states(struct bnx2 *bp)
4549 {
4550         struct bnx2_napi *bnapi;
4551         int i;
4552
4553         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4554                 bnapi = &bp->bnx2_napi[i];
4555
4556                 bnapi->tx_cons = 0;
4557                 bnapi->hw_tx_cons = 0;
4558                 bnapi->rx_prod_bseq = 0;
4559                 bnapi->rx_prod = 0;
4560                 bnapi->rx_cons = 0;
4561                 bnapi->rx_pg_prod = 0;
4562                 bnapi->rx_pg_cons = 0;
4563         }
4564 }
4565
4566 static void
4567 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4568 {
4569         u32 val, offset0, offset1, offset2, offset3;
4570         u32 cid_addr = GET_CID_ADDR(cid);
4571
4572         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4573                 offset0 = BNX2_L2CTX_TYPE_XI;
4574                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4575                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4576                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4577         } else {
4578                 offset0 = BNX2_L2CTX_TYPE;
4579                 offset1 = BNX2_L2CTX_CMD_TYPE;
4580                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4581                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4582         }
4583         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4584         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4585
4586         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4587         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4588
4589         val = (u64) bp->tx_desc_mapping >> 32;
4590         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4591
4592         val = (u64) bp->tx_desc_mapping & 0xffffffff;
4593         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4594 }
4595
4596 static void
4597 bnx2_init_tx_ring(struct bnx2 *bp)
4598 {
4599         struct tx_bd *txbd;
4600         u32 cid = TX_CID;
4601         struct bnx2_napi *bnapi;
4602
4603         bp->tx_vec = 0;
4604         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4605                 cid = TX_TSS_CID;
4606                 bp->tx_vec = BNX2_TX_VEC;
4607                 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4608                        (TX_TSS_CID << 7));
4609         }
4610         bnapi = &bp->bnx2_napi[bp->tx_vec];
4611
4612         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4613
4614         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4615
4616         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4617         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4618
4619         bp->tx_prod = 0;
4620         bp->tx_prod_bseq = 0;
4621
4622         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4623         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4624
4625         bnx2_init_tx_context(bp, cid);
4626 }
4627
4628 static void
4629 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4630                      int num_rings)
4631 {
4632         int i;
4633         struct rx_bd *rxbd;
4634
4635         for (i = 0; i < num_rings; i++) {
4636                 int j;
4637
4638                 rxbd = &rx_ring[i][0];
4639                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4640                         rxbd->rx_bd_len = buf_size;
4641                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4642                 }
4643                 if (i == (num_rings - 1))
4644                         j = 0;
4645                 else
4646                         j = i + 1;
4647                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4648                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4649         }
4650 }
4651
4652 static void
4653 bnx2_init_rx_ring(struct bnx2 *bp)
4654 {
4655         int i;
4656         u16 prod, ring_prod;
4657         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4658         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4659
4660         bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4661                              bp->rx_buf_use_size, bp->rx_max_ring);
4662
4663         bnx2_init_rx_context0(bp);
4664
4665         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4666                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4667                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4668         }
4669
4670         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4671         if (bp->rx_pg_ring_size) {
4672                 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4673                                      bp->rx_pg_desc_mapping,
4674                                      PAGE_SIZE, bp->rx_max_pg_ring);
4675                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4676                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4677                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4678                        BNX2_L2CTX_RBDC_JUMBO_KEY);
4679
4680                 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4681                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4682
4683                 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4684                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4685
4686                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4687                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4688         }
4689
4690         val = (u64) bp->rx_desc_mapping[0] >> 32;
4691         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4692
4693         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4694         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4695
4696         ring_prod = prod = bnapi->rx_pg_prod;
4697         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4698                 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4699                         break;
4700                 prod = NEXT_RX_BD(prod);
4701                 ring_prod = RX_PG_RING_IDX(prod);
4702         }
4703         bnapi->rx_pg_prod = prod;
4704
4705         ring_prod = prod = bnapi->rx_prod;
4706         for (i = 0; i < bp->rx_ring_size; i++) {
4707                 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4708                         break;
4709                 }
4710                 prod = NEXT_RX_BD(prod);
4711                 ring_prod = RX_RING_IDX(prod);
4712         }
4713         bnapi->rx_prod = prod;
4714
4715         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4716                  bnapi->rx_pg_prod);
4717         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4718
4719         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4720 }
4721
4722 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4723 {
4724         u32 max, num_rings = 1;
4725
4726         while (ring_size > MAX_RX_DESC_CNT) {
4727                 ring_size -= MAX_RX_DESC_CNT;
4728                 num_rings++;
4729         }
4730         /* round to next power of 2 */
4731         max = max_size;
4732         while ((max & num_rings) == 0)
4733                 max >>= 1;
4734
4735         if (num_rings != max)
4736                 max <<= 1;
4737
4738         return max;
4739 }
4740
4741 static void
4742 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4743 {
4744         u32 rx_size, rx_space, jumbo_size;
4745
4746         /* 8 for CRC and VLAN */
4747         rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4748
4749         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4750                 sizeof(struct skb_shared_info);
4751
4752         bp->rx_copy_thresh = RX_COPY_THRESH;
4753         bp->rx_pg_ring_size = 0;
4754         bp->rx_max_pg_ring = 0;
4755         bp->rx_max_pg_ring_idx = 0;
4756         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4757                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4758
4759                 jumbo_size = size * pages;
4760                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4761                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4762
4763                 bp->rx_pg_ring_size = jumbo_size;
4764                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4765                                                         MAX_RX_PG_RINGS);
4766                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4767                 rx_size = RX_COPY_THRESH + bp->rx_offset;
4768                 bp->rx_copy_thresh = 0;
4769         }
4770
4771         bp->rx_buf_use_size = rx_size;
4772         /* hw alignment */
4773         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4774         bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4775         bp->rx_ring_size = size;
4776         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4777         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4778 }
4779
4780 static void
4781 bnx2_free_tx_skbs(struct bnx2 *bp)
4782 {
4783         int i;
4784
4785         if (bp->tx_buf_ring == NULL)
4786                 return;
4787
4788         for (i = 0; i < TX_DESC_CNT; ) {
4789                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4790                 struct sk_buff *skb = tx_buf->skb;
4791                 int j, last;
4792
4793                 if (skb == NULL) {
4794                         i++;
4795                         continue;
4796                 }
4797
4798                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4799                         skb_headlen(skb), PCI_DMA_TODEVICE);
4800
4801                 tx_buf->skb = NULL;
4802
4803                 last = skb_shinfo(skb)->nr_frags;
4804                 for (j = 0; j < last; j++) {
4805                         tx_buf = &bp->tx_buf_ring[i + j + 1];
4806                         pci_unmap_page(bp->pdev,
4807                                 pci_unmap_addr(tx_buf, mapping),
4808                                 skb_shinfo(skb)->frags[j].size,
4809                                 PCI_DMA_TODEVICE);
4810                 }
4811                 dev_kfree_skb(skb);
4812                 i += j + 1;
4813         }
4814
4815 }
4816
4817 static void
4818 bnx2_free_rx_skbs(struct bnx2 *bp)
4819 {
4820         int i;
4821
4822         if (bp->rx_buf_ring == NULL)
4823                 return;
4824
4825         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4826                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4827                 struct sk_buff *skb = rx_buf->skb;
4828
4829                 if (skb == NULL)
4830                         continue;
4831
4832                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4833                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4834
4835                 rx_buf->skb = NULL;
4836
4837                 dev_kfree_skb(skb);
4838         }
4839         for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4840                 bnx2_free_rx_page(bp, i);
4841 }
4842
4843 static void
4844 bnx2_free_skbs(struct bnx2 *bp)
4845 {
4846         bnx2_free_tx_skbs(bp);
4847         bnx2_free_rx_skbs(bp);
4848 }
4849
4850 static int
4851 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4852 {
4853         int rc;
4854
4855         rc = bnx2_reset_chip(bp, reset_code);
4856         bnx2_free_skbs(bp);
4857         if (rc)
4858                 return rc;
4859
4860         if ((rc = bnx2_init_chip(bp)) != 0)
4861                 return rc;
4862
4863         bnx2_clear_ring_states(bp);
4864         bnx2_init_tx_ring(bp);
4865         bnx2_init_rx_ring(bp);
4866         return 0;
4867 }
4868
4869 static int
4870 bnx2_init_nic(struct bnx2 *bp)
4871 {
4872         int rc;
4873
4874         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4875                 return rc;
4876
4877         spin_lock_bh(&bp->phy_lock);
4878         bnx2_init_phy(bp);
4879         bnx2_set_link(bp);
4880         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4881                 bnx2_remote_phy_event(bp);
4882         spin_unlock_bh(&bp->phy_lock);
4883         return 0;
4884 }
4885
4886 static int
4887 bnx2_test_registers(struct bnx2 *bp)
4888 {
4889         int ret;
4890         int i, is_5709;
4891         static const struct {
4892                 u16   offset;
4893                 u16   flags;
4894 #define BNX2_FL_NOT_5709        1
4895                 u32   rw_mask;
4896                 u32   ro_mask;
4897         } reg_tbl[] = {
4898                 { 0x006c, 0, 0x00000000, 0x0000003f },
4899                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4900                 { 0x0094, 0, 0x00000000, 0x00000000 },
4901
4902                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4903                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4904                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4905                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4906                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4907                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4908                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4909                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4911
4912                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4913                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4914                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4915                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4916                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4917                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4918
4919                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4920                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4921                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4922
4923                 { 0x1000, 0, 0x00000000, 0x00000001 },
4924                 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4925
4926                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4927                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4928                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4929                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4930                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4931                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4932                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4933                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4934                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4935                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4936
4937                 { 0x1800, 0, 0x00000000, 0x00000001 },
4938                 { 0x1804, 0, 0x00000000, 0x00000003 },
4939
4940                 { 0x2800, 0, 0x00000000, 0x00000001 },
4941                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4942                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4943                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4944                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4945                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4946                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4947                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4948                 { 0x2840, 0, 0x00000000, 0xffffffff },
4949                 { 0x2844, 0, 0x00000000, 0xffffffff },
4950                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4951                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4952
4953                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4954                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4955
4956                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4957                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4958                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4959                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4960                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4961                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4962                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4963                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4964                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4965
4966                 { 0x5004, 0, 0x00000000, 0x0000007f },
4967                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4968
4969                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4970                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4971                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4972                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4973                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4974                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4975                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4976                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4977                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4978
4979                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4980                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4981                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4982                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4983                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4984                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4985                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4986                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4987                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4988                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4989                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4990                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4991                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4992                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4993                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4994                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4995                 { 0x684c, 0, 0xffffffff, 0x00000000 },
4996                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4997                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4998                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4999                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5000                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5001                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5002
5003                 { 0xffff, 0, 0x00000000, 0x00000000 },
5004         };
5005
5006         ret = 0;
5007         is_5709 = 0;
5008         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5009                 is_5709 = 1;
5010
5011         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5012                 u32 offset, rw_mask, ro_mask, save_val, val;
5013                 u16 flags = reg_tbl[i].flags;
5014
5015                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5016                         continue;
5017
5018                 offset = (u32) reg_tbl[i].offset;
5019                 rw_mask = reg_tbl[i].rw_mask;
5020                 ro_mask = reg_tbl[i].ro_mask;
5021
5022                 save_val = readl(bp->regview + offset);
5023
5024                 writel(0, bp->regview + offset);
5025
5026                 val = readl(bp->regview + offset);
5027                 if ((val & rw_mask) != 0) {
5028                         goto reg_test_err;
5029                 }
5030
5031                 if ((val & ro_mask) != (save_val & ro_mask)) {
5032                         goto reg_test_err;
5033                 }
5034
5035                 writel(0xffffffff, bp->regview + offset);
5036
5037                 val = readl(bp->regview + offset);
5038                 if ((val & rw_mask) != rw_mask) {
5039                         goto reg_test_err;
5040                 }
5041
5042                 if ((val & ro_mask) != (save_val & ro_mask)) {
5043                         goto reg_test_err;
5044                 }
5045
5046                 writel(save_val, bp->regview + offset);
5047                 continue;
5048
5049 reg_test_err:
5050                 writel(save_val, bp->regview + offset);
5051                 ret = -ENODEV;
5052                 break;
5053         }
5054         return ret;
5055 }
5056
5057 static int
5058 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5059 {
5060         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5061                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5062         int i;
5063
5064         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5065                 u32 offset;
5066
5067                 for (offset = 0; offset < size; offset += 4) {
5068
5069                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5070
5071                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5072                                 test_pattern[i]) {
5073                                 return -ENODEV;
5074                         }
5075                 }
5076         }
5077         return 0;
5078 }
5079
5080 static int
5081 bnx2_test_memory(struct bnx2 *bp)
5082 {
5083         int ret = 0;
5084         int i;
5085         static struct mem_entry {
5086                 u32   offset;
5087                 u32   len;
5088         } mem_tbl_5706[] = {
5089                 { 0x60000,  0x4000 },
5090                 { 0xa0000,  0x3000 },
5091                 { 0xe0000,  0x4000 },
5092                 { 0x120000, 0x4000 },
5093                 { 0x1a0000, 0x4000 },
5094                 { 0x160000, 0x4000 },
5095                 { 0xffffffff, 0    },
5096         },
5097         mem_tbl_5709[] = {
5098                 { 0x60000,  0x4000 },
5099                 { 0xa0000,  0x3000 },
5100                 { 0xe0000,  0x4000 },
5101                 { 0x120000, 0x4000 },
5102                 { 0x1a0000, 0x4000 },
5103                 { 0xffffffff, 0    },
5104         };
5105         struct mem_entry *mem_tbl;
5106
5107         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5108                 mem_tbl = mem_tbl_5709;
5109         else
5110                 mem_tbl = mem_tbl_5706;
5111
5112         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5113                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5114                         mem_tbl[i].len)) != 0) {
5115                         return ret;
5116                 }
5117         }
5118
5119         return ret;
5120 }
5121
5122 #define BNX2_MAC_LOOPBACK       0
5123 #define BNX2_PHY_LOOPBACK       1
5124
5125 static int
5126 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5127 {
5128         unsigned int pkt_size, num_pkts, i;
5129         struct sk_buff *skb, *rx_skb;
5130         unsigned char *packet;
5131         u16 rx_start_idx, rx_idx;
5132         dma_addr_t map;
5133         struct tx_bd *txbd;
5134         struct sw_bd *rx_buf;
5135         struct l2_fhdr *rx_hdr;
5136         int ret = -ENODEV;
5137         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5138
5139         tx_napi = bnapi;
5140         if (bp->flags & BNX2_FLAG_USING_MSIX)
5141                 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5142
5143         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5144                 bp->loopback = MAC_LOOPBACK;
5145                 bnx2_set_mac_loopback(bp);
5146         }
5147         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5148                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5149                         return 0;
5150
5151                 bp->loopback = PHY_LOOPBACK;
5152                 bnx2_set_phy_loopback(bp);
5153         }
5154         else
5155                 return -EINVAL;
5156
5157         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5158         skb = netdev_alloc_skb(bp->dev, pkt_size);
5159         if (!skb)
5160                 return -ENOMEM;
5161         packet = skb_put(skb, pkt_size);
5162         memcpy(packet, bp->dev->dev_addr, 6);
5163         memset(packet + 6, 0x0, 8);
5164         for (i = 14; i < pkt_size; i++)
5165                 packet[i] = (unsigned char) (i & 0xff);
5166
5167         map = pci_map_single(bp->pdev, skb->data, pkt_size,
5168                 PCI_DMA_TODEVICE);
5169
5170         REG_WR(bp, BNX2_HC_COMMAND,
5171                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5172
5173         REG_RD(bp, BNX2_HC_COMMAND);
5174
5175         udelay(5);
5176         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5177
5178         num_pkts = 0;
5179
5180         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5181
5182         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5183         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5184         txbd->tx_bd_mss_nbytes = pkt_size;
5185         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5186
5187         num_pkts++;
5188         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5189         bp->tx_prod_bseq += pkt_size;
5190
5191         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5192         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5193
5194         udelay(100);
5195
5196         REG_WR(bp, BNX2_HC_COMMAND,
5197                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5198
5199         REG_RD(bp, BNX2_HC_COMMAND);
5200
5201         udelay(5);
5202
5203         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5204         dev_kfree_skb(skb);
5205
5206         if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5207                 goto loopback_test_done;
5208
5209         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5210         if (rx_idx != rx_start_idx + num_pkts) {
5211                 goto loopback_test_done;
5212         }
5213
5214         rx_buf = &bp->rx_buf_ring[rx_start_idx];
5215         rx_skb = rx_buf->skb;
5216
5217         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5218         skb_reserve(rx_skb, bp->rx_offset);
5219
5220         pci_dma_sync_single_for_cpu(bp->pdev,
5221                 pci_unmap_addr(rx_buf, mapping),
5222                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5223
5224         if (rx_hdr->l2_fhdr_status &
5225                 (L2_FHDR_ERRORS_BAD_CRC |
5226                 L2_FHDR_ERRORS_PHY_DECODE |
5227                 L2_FHDR_ERRORS_ALIGNMENT |
5228                 L2_FHDR_ERRORS_TOO_SHORT |
5229                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5230
5231                 goto loopback_test_done;
5232         }
5233
5234         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5235                 goto loopback_test_done;
5236         }
5237
5238         for (i = 14; i < pkt_size; i++) {
5239                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5240                         goto loopback_test_done;
5241                 }
5242         }
5243
5244         ret = 0;
5245
5246 loopback_test_done:
5247         bp->loopback = 0;
5248         return ret;
5249 }
5250
5251 #define BNX2_MAC_LOOPBACK_FAILED        1
5252 #define BNX2_PHY_LOOPBACK_FAILED        2
5253 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5254                                          BNX2_PHY_LOOPBACK_FAILED)
5255
5256 static int
5257 bnx2_test_loopback(struct bnx2 *bp)
5258 {
5259         int rc = 0;
5260
5261         if (!netif_running(bp->dev))
5262                 return BNX2_LOOPBACK_FAILED;
5263
5264         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5265         spin_lock_bh(&bp->phy_lock);
5266         bnx2_init_phy(bp);
5267         spin_unlock_bh(&bp->phy_lock);
5268         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5269                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5270         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5271                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5272         return rc;
5273 }
5274
5275 #define NVRAM_SIZE 0x200
5276 #define CRC32_RESIDUAL 0xdebb20e3
5277
5278 static int
5279 bnx2_test_nvram(struct bnx2 *bp)
5280 {
5281         __be32 buf[NVRAM_SIZE / 4];
5282         u8 *data = (u8 *) buf;
5283         int rc = 0;
5284         u32 magic, csum;
5285
5286         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5287                 goto test_nvram_done;
5288
5289         magic = be32_to_cpu(buf[0]);
5290         if (magic != 0x669955aa) {
5291                 rc = -ENODEV;
5292                 goto test_nvram_done;
5293         }
5294
5295         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5296                 goto test_nvram_done;
5297
5298         csum = ether_crc_le(0x100, data);
5299         if (csum != CRC32_RESIDUAL) {
5300                 rc = -ENODEV;
5301                 goto test_nvram_done;
5302         }
5303
5304         csum = ether_crc_le(0x100, data + 0x100);
5305         if (csum != CRC32_RESIDUAL) {
5306                 rc = -ENODEV;
5307         }
5308
5309 test_nvram_done:
5310         return rc;
5311 }
5312
5313 static int
5314 bnx2_test_link(struct bnx2 *bp)
5315 {
5316         u32 bmsr;
5317
5318         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5319                 if (bp->link_up)
5320                         return 0;
5321                 return -ENODEV;
5322         }
5323         spin_lock_bh(&bp->phy_lock);
5324         bnx2_enable_bmsr1(bp);
5325         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5326         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5327         bnx2_disable_bmsr1(bp);
5328         spin_unlock_bh(&bp->phy_lock);
5329
5330         if (bmsr & BMSR_LSTATUS) {
5331                 return 0;
5332         }
5333         return -ENODEV;
5334 }
5335
5336 static int
5337 bnx2_test_intr(struct bnx2 *bp)
5338 {
5339         int i;
5340         u16 status_idx;
5341
5342         if (!netif_running(bp->dev))
5343                 return -ENODEV;
5344
5345         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5346
5347         /* This register is not touched during run-time. */
5348         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5349         REG_RD(bp, BNX2_HC_COMMAND);
5350
5351         for (i = 0; i < 10; i++) {
5352                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5353                         status_idx) {
5354
5355                         break;
5356                 }
5357
5358                 msleep_interruptible(10);
5359         }
5360         if (i < 10)
5361                 return 0;
5362
5363         return -ENODEV;
5364 }
5365
5366 /* Determining link for parallel detection. */
5367 static int
5368 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5369 {
5370         u32 mode_ctl, an_dbg, exp;
5371
5372         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5373                 return 0;
5374
5375         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5376         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5377
5378         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5379                 return 0;
5380
5381         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5382         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5383         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5384
5385         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5386                 return 0;
5387
5388         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5389         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5390         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5391
5392         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5393                 return 0;
5394
5395         return 1;
5396 }
5397
5398 static void
5399 bnx2_5706_serdes_timer(struct bnx2 *bp)
5400 {
5401         int check_link = 1;
5402
5403         spin_lock(&bp->phy_lock);
5404         if (bp->serdes_an_pending) {
5405                 bp->serdes_an_pending--;
5406                 check_link = 0;
5407         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5408                 u32 bmcr;
5409
5410                 bp->current_interval = bp->timer_interval;
5411
5412                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5413
5414                 if (bmcr & BMCR_ANENABLE) {
5415                         if (bnx2_5706_serdes_has_link(bp)) {
5416                                 bmcr &= ~BMCR_ANENABLE;
5417                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5418                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5419                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5420                         }
5421                 }
5422         }
5423         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5424                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5425                 u32 phy2;
5426
5427                 bnx2_write_phy(bp, 0x17, 0x0f01);
5428                 bnx2_read_phy(bp, 0x15, &phy2);
5429                 if (phy2 & 0x20) {
5430                         u32 bmcr;
5431
5432                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5433                         bmcr |= BMCR_ANENABLE;
5434                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5435
5436                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5437                 }
5438         } else
5439                 bp->current_interval = bp->timer_interval;
5440
5441         if (check_link) {
5442                 u32 val;
5443
5444                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5445                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5446                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5447
5448                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5449                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5450                                 bnx2_5706s_force_link_dn(bp, 1);
5451                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5452                         } else
5453                                 bnx2_set_link(bp);
5454                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5455                         bnx2_set_link(bp);
5456         }
5457         spin_unlock(&bp->phy_lock);
5458 }
5459
5460 static void
5461 bnx2_5708_serdes_timer(struct bnx2 *bp)
5462 {
5463         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5464                 return;
5465
5466         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5467                 bp->serdes_an_pending = 0;
5468                 return;
5469         }
5470
5471         spin_lock(&bp->phy_lock);
5472         if (bp->serdes_an_pending)
5473                 bp->serdes_an_pending--;
5474         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5475                 u32 bmcr;
5476
5477                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5478                 if (bmcr & BMCR_ANENABLE) {
5479                         bnx2_enable_forced_2g5(bp);
5480                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5481                 } else {
5482                         bnx2_disable_forced_2g5(bp);
5483                         bp->serdes_an_pending = 2;
5484                         bp->current_interval = bp->timer_interval;
5485                 }
5486
5487         } else
5488                 bp->current_interval = bp->timer_interval;
5489
5490         spin_unlock(&bp->phy_lock);
5491 }
5492
5493 static void
5494 bnx2_timer(unsigned long data)
5495 {
5496         struct bnx2 *bp = (struct bnx2 *) data;
5497
5498         if (!netif_running(bp->dev))
5499                 return;
5500
5501         if (atomic_read(&bp->intr_sem) != 0)
5502                 goto bnx2_restart_timer;
5503
5504         bnx2_send_heart_beat(bp);
5505
5506         bp->stats_blk->stat_FwRxDrop =
5507                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5508
5509         /* workaround occasional corrupted counters */
5510         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5511                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5512                                             BNX2_HC_COMMAND_STATS_NOW);
5513
5514         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5515                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5516                         bnx2_5706_serdes_timer(bp);
5517                 else
5518                         bnx2_5708_serdes_timer(bp);
5519         }
5520
5521 bnx2_restart_timer:
5522         mod_timer(&bp->timer, jiffies + bp->current_interval);
5523 }
5524
5525 static int
5526 bnx2_request_irq(struct bnx2 *bp)
5527 {
5528         struct net_device *dev = bp->dev;
5529         unsigned long flags;
5530         struct bnx2_irq *irq;
5531         int rc = 0, i;
5532
5533         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5534                 flags = 0;
5535         else
5536                 flags = IRQF_SHARED;
5537
5538         for (i = 0; i < bp->irq_nvecs; i++) {
5539                 irq = &bp->irq_tbl[i];
5540                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5541                                  dev);
5542                 if (rc)
5543                         break;
5544                 irq->requested = 1;
5545         }
5546         return rc;
5547 }
5548
5549 static void
5550 bnx2_free_irq(struct bnx2 *bp)
5551 {
5552         struct net_device *dev = bp->dev;
5553         struct bnx2_irq *irq;
5554         int i;
5555
5556         for (i = 0; i < bp->irq_nvecs; i++) {
5557                 irq = &bp->irq_tbl[i];
5558                 if (irq->requested)
5559                         free_irq(irq->vector, dev);
5560                 irq->requested = 0;
5561         }
5562         if (bp->flags & BNX2_FLAG_USING_MSI)
5563                 pci_disable_msi(bp->pdev);
5564         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5565                 pci_disable_msix(bp->pdev);
5566
5567         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5568 }
5569
5570 static void
5571 bnx2_enable_msix(struct bnx2 *bp)
5572 {
5573         int i, rc;
5574         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5575
5576         bnx2_setup_msix_tbl(bp);
5577         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5578         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5579         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5580
5581         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5582                 msix_ent[i].entry = i;
5583                 msix_ent[i].vector = 0;
5584         }
5585
5586         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5587         if (rc != 0)
5588                 return;
5589
5590         bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5591         bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5592
5593         strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5594         strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5595         strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5596         strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5597
5598         bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5599         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5600         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5601                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5602 }
5603
5604 static void
5605 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5606 {
5607         bp->irq_tbl[0].handler = bnx2_interrupt;
5608         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5609         bp->irq_nvecs = 1;
5610         bp->irq_tbl[0].vector = bp->pdev->irq;
5611
5612         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5613                 bnx2_enable_msix(bp);
5614
5615         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5616             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5617                 if (pci_enable_msi(bp->pdev) == 0) {
5618                         bp->flags |= BNX2_FLAG_USING_MSI;
5619                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5620                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5621                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5622                         } else
5623                                 bp->irq_tbl[0].handler = bnx2_msi;
5624
5625                         bp->irq_tbl[0].vector = bp->pdev->irq;
5626                 }
5627         }
5628 }
5629
5630 /* Called with rtnl_lock */
5631 static int
5632 bnx2_open(struct net_device *dev)
5633 {
5634         struct bnx2 *bp = netdev_priv(dev);
5635         int rc;
5636
5637         netif_carrier_off(dev);
5638
5639         bnx2_set_power_state(bp, PCI_D0);
5640         bnx2_disable_int(bp);
5641
5642         rc = bnx2_alloc_mem(bp);
5643         if (rc)
5644                 return rc;
5645
5646         bnx2_setup_int_mode(bp, disable_msi);
5647         bnx2_napi_enable(bp);
5648         rc = bnx2_request_irq(bp);
5649
5650         if (rc) {
5651                 bnx2_napi_disable(bp);
5652                 bnx2_free_mem(bp);
5653                 return rc;
5654         }
5655
5656         rc = bnx2_init_nic(bp);
5657
5658         if (rc) {
5659                 bnx2_napi_disable(bp);
5660                 bnx2_free_irq(bp);
5661                 bnx2_free_skbs(bp);
5662                 bnx2_free_mem(bp);
5663                 return rc;
5664         }
5665
5666         mod_timer(&bp->timer, jiffies + bp->current_interval);
5667
5668         atomic_set(&bp->intr_sem, 0);
5669
5670         bnx2_enable_int(bp);
5671
5672         if (bp->flags & BNX2_FLAG_USING_MSI) {
5673                 /* Test MSI to make sure it is working
5674                  * If MSI test fails, go back to INTx mode
5675                  */
5676                 if (bnx2_test_intr(bp) != 0) {
5677                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5678                                " using MSI, switching to INTx mode. Please"
5679                                " report this failure to the PCI maintainer"
5680                                " and include system chipset information.\n",
5681                                bp->dev->name);
5682
5683                         bnx2_disable_int(bp);
5684                         bnx2_free_irq(bp);
5685
5686                         bnx2_setup_int_mode(bp, 1);
5687
5688                         rc = bnx2_init_nic(bp);
5689
5690                         if (!rc)
5691                                 rc = bnx2_request_irq(bp);
5692
5693                         if (rc) {
5694                                 bnx2_napi_disable(bp);
5695                                 bnx2_free_skbs(bp);
5696                                 bnx2_free_mem(bp);
5697                                 del_timer_sync(&bp->timer);
5698                                 return rc;
5699                         }
5700                         bnx2_enable_int(bp);
5701                 }
5702         }
5703         if (bp->flags & BNX2_FLAG_USING_MSI)
5704                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5705         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5706                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5707
5708         netif_start_queue(dev);
5709
5710         return 0;
5711 }
5712
5713 static void
5714 bnx2_reset_task(struct work_struct *work)
5715 {
5716         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5717
5718         if (!netif_running(bp->dev))
5719                 return;
5720
5721         bp->in_reset_task = 1;
5722         bnx2_netif_stop(bp);
5723
5724         bnx2_init_nic(bp);
5725
5726         atomic_set(&bp->intr_sem, 1);
5727         bnx2_netif_start(bp);
5728         bp->in_reset_task = 0;
5729 }
5730
5731 static void
5732 bnx2_tx_timeout(struct net_device *dev)
5733 {
5734         struct bnx2 *bp = netdev_priv(dev);
5735
5736         /* This allows the netif to be shutdown gracefully before resetting */
5737         schedule_work(&bp->reset_task);
5738 }
5739
5740 #ifdef BCM_VLAN
5741 /* Called with rtnl_lock */
5742 static void
5743 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5744 {
5745         struct bnx2 *bp = netdev_priv(dev);
5746
5747         bnx2_netif_stop(bp);
5748
5749         bp->vlgrp = vlgrp;
5750         bnx2_set_rx_mode(dev);
5751
5752         bnx2_netif_start(bp);
5753 }
5754 #endif
5755
5756 /* Called with netif_tx_lock.
5757  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5758  * netif_wake_queue().
5759  */
5760 static int
5761 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5762 {
5763         struct bnx2 *bp = netdev_priv(dev);
5764         dma_addr_t mapping;
5765         struct tx_bd *txbd;
5766         struct sw_bd *tx_buf;
5767         u32 len, vlan_tag_flags, last_frag, mss;
5768         u16 prod, ring_prod;
5769         int i;
5770         struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5771
5772         if (unlikely(bnx2_tx_avail(bp, bnapi) <
5773             (skb_shinfo(skb)->nr_frags + 1))) {
5774                 netif_stop_queue(dev);
5775                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5776                         dev->name);
5777
5778                 return NETDEV_TX_BUSY;
5779         }
5780         len = skb_headlen(skb);
5781         prod = bp->tx_prod;
5782         ring_prod = TX_RING_IDX(prod);
5783
5784         vlan_tag_flags = 0;
5785         if (skb->ip_summed == CHECKSUM_PARTIAL) {
5786                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5787         }
5788
5789         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5790                 vlan_tag_flags |=
5791                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5792         }
5793         if ((mss = skb_shinfo(skb)->gso_size)) {
5794                 u32 tcp_opt_len, ip_tcp_len;
5795                 struct iphdr *iph;
5796
5797                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5798
5799                 tcp_opt_len = tcp_optlen(skb);
5800
5801                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5802                         u32 tcp_off = skb_transport_offset(skb) -
5803                                       sizeof(struct ipv6hdr) - ETH_HLEN;
5804
5805                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5806                                           TX_BD_FLAGS_SW_FLAGS;
5807                         if (likely(tcp_off == 0))
5808                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5809                         else {
5810                                 tcp_off >>= 3;
5811                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
5812                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
5813                                                   ((tcp_off & 0x10) <<
5814                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
5815                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5816                         }
5817                 } else {
5818                         if (skb_header_cloned(skb) &&
5819                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5820                                 dev_kfree_skb(skb);
5821                                 return NETDEV_TX_OK;
5822                         }
5823
5824                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5825
5826                         iph = ip_hdr(skb);
5827                         iph->check = 0;
5828                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5829                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5830                                                                  iph->daddr, 0,
5831                                                                  IPPROTO_TCP,
5832                                                                  0);
5833                         if (tcp_opt_len || (iph->ihl > 5)) {
5834                                 vlan_tag_flags |= ((iph->ihl - 5) +
5835                                                    (tcp_opt_len >> 2)) << 8;
5836                         }
5837                 }
5838         } else
5839                 mss = 0;
5840
5841         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5842
5843         tx_buf = &bp->tx_buf_ring[ring_prod];
5844         tx_buf->skb = skb;
5845         pci_unmap_addr_set(tx_buf, mapping, mapping);
5846
5847         txbd = &bp->tx_desc_ring[ring_prod];
5848
5849         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5850         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5851         txbd->tx_bd_mss_nbytes = len | (mss << 16);
5852         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5853
5854         last_frag = skb_shinfo(skb)->nr_frags;
5855
5856         for (i = 0; i < last_frag; i++) {
5857                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5858
5859                 prod = NEXT_TX_BD(prod);
5860                 ring_prod = TX_RING_IDX(prod);
5861                 txbd = &bp->tx_desc_ring[ring_prod];
5862
5863                 len = frag->size;
5864                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5865                         len, PCI_DMA_TODEVICE);
5866                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5867                                 mapping, mapping);
5868
5869                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5870                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5871                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5872                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5873
5874         }
5875         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5876
5877         prod = NEXT_TX_BD(prod);
5878         bp->tx_prod_bseq += skb->len;
5879
5880         REG_WR16(bp, bp->tx_bidx_addr, prod);
5881         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5882
5883         mmiowb();
5884
5885         bp->tx_prod = prod;
5886         dev->trans_start = jiffies;
5887
5888         if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5889                 netif_stop_queue(dev);
5890                 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5891                         netif_wake_queue(dev);
5892         }
5893
5894         return NETDEV_TX_OK;
5895 }
5896
5897 /* Called with rtnl_lock */
5898 static int
5899 bnx2_close(struct net_device *dev)
5900 {
5901         struct bnx2 *bp = netdev_priv(dev);
5902         u32 reset_code;
5903
5904         /* Calling flush_scheduled_work() may deadlock because
5905          * linkwatch_event() may be on the workqueue and it will try to get
5906          * the rtnl_lock which we are holding.
5907          */
5908         while (bp->in_reset_task)
5909                 msleep(1);
5910
5911         bnx2_disable_int_sync(bp);
5912         bnx2_napi_disable(bp);
5913         del_timer_sync(&bp->timer);
5914         if (bp->flags & BNX2_FLAG_NO_WOL)
5915                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5916         else if (bp->wol)
5917                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5918         else
5919                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5920         bnx2_reset_chip(bp, reset_code);
5921         bnx2_free_irq(bp);
5922         bnx2_free_skbs(bp);
5923         bnx2_free_mem(bp);
5924         bp->link_up = 0;
5925         netif_carrier_off(bp->dev);
5926         bnx2_set_power_state(bp, PCI_D3hot);
5927         return 0;
5928 }
5929
5930 #define GET_NET_STATS64(ctr)                                    \
5931         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
5932         (unsigned long) (ctr##_lo)
5933
5934 #define GET_NET_STATS32(ctr)            \
5935         (ctr##_lo)
5936
5937 #if (BITS_PER_LONG == 64)
5938 #define GET_NET_STATS   GET_NET_STATS64
5939 #else
5940 #define GET_NET_STATS   GET_NET_STATS32
5941 #endif
5942
5943 static struct net_device_stats *
5944 bnx2_get_stats(struct net_device *dev)
5945 {
5946         struct bnx2 *bp = netdev_priv(dev);
5947         struct statistics_block *stats_blk = bp->stats_blk;
5948         struct net_device_stats *net_stats = &bp->net_stats;
5949
5950         if (bp->stats_blk == NULL) {
5951                 return net_stats;
5952         }
5953         net_stats->rx_packets =
5954                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5955                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5956                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5957
5958         net_stats->tx_packets =
5959                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5960                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5961                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5962
5963         net_stats->rx_bytes =
5964                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5965
5966         net_stats->tx_bytes =
5967                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5968
5969         net_stats->multicast =
5970                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5971
5972         net_stats->collisions =
5973                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5974
5975         net_stats->rx_length_errors =
5976                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5977                 stats_blk->stat_EtherStatsOverrsizePkts);
5978
5979         net_stats->rx_over_errors =
5980                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5981
5982         net_stats->rx_frame_errors =
5983                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5984
5985         net_stats->rx_crc_errors =
5986                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5987
5988         net_stats->rx_errors = net_stats->rx_length_errors +
5989                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5990                 net_stats->rx_crc_errors;
5991
5992         net_stats->tx_aborted_errors =
5993                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5994                 stats_blk->stat_Dot3StatsLateCollisions);
5995
5996         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5997             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5998                 net_stats->tx_carrier_errors = 0;
5999         else {
6000                 net_stats->tx_carrier_errors =
6001                         (unsigned long)
6002                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
6003         }
6004
6005         net_stats->tx_errors =
6006                 (unsigned long)
6007                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6008                 +
6009                 net_stats->tx_aborted_errors +
6010                 net_stats->tx_carrier_errors;
6011
6012         net_stats->rx_missed_errors =
6013                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6014                 stats_blk->stat_FwRxDrop);
6015
6016         return net_stats;
6017 }
6018
6019 /* All ethtool functions called with rtnl_lock */
6020
6021 static int
6022 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6023 {
6024         struct bnx2 *bp = netdev_priv(dev);
6025         int support_serdes = 0, support_copper = 0;
6026
6027         cmd->supported = SUPPORTED_Autoneg;
6028         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6029                 support_serdes = 1;
6030                 support_copper = 1;
6031         } else if (bp->phy_port == PORT_FIBRE)
6032                 support_serdes = 1;
6033         else
6034                 support_copper = 1;
6035
6036         if (support_serdes) {
6037                 cmd->supported |= SUPPORTED_1000baseT_Full |
6038                         SUPPORTED_FIBRE;
6039                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6040                         cmd->supported |= SUPPORTED_2500baseX_Full;
6041
6042         }
6043         if (support_copper) {
6044                 cmd->supported |= SUPPORTED_10baseT_Half |
6045                         SUPPORTED_10baseT_Full |
6046                         SUPPORTED_100baseT_Half |
6047                         SUPPORTED_100baseT_Full |
6048                         SUPPORTED_1000baseT_Full |
6049                         SUPPORTED_TP;
6050
6051         }
6052
6053         spin_lock_bh(&bp->phy_lock);
6054         cmd->port = bp->phy_port;
6055         cmd->advertising = bp->advertising;
6056
6057         if (bp->autoneg & AUTONEG_SPEED) {
6058                 cmd->autoneg = AUTONEG_ENABLE;
6059         }
6060         else {
6061                 cmd->autoneg = AUTONEG_DISABLE;
6062         }
6063
6064         if (netif_carrier_ok(dev)) {
6065                 cmd->speed = bp->line_speed;
6066                 cmd->duplex = bp->duplex;
6067         }
6068         else {
6069                 cmd->speed = -1;
6070                 cmd->duplex = -1;
6071         }
6072         spin_unlock_bh(&bp->phy_lock);
6073
6074         cmd->transceiver = XCVR_INTERNAL;
6075         cmd->phy_address = bp->phy_addr;
6076
6077         return 0;
6078 }
6079
6080 static int
6081 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6082 {
6083         struct bnx2 *bp = netdev_priv(dev);
6084         u8 autoneg = bp->autoneg;
6085         u8 req_duplex = bp->req_duplex;
6086         u16 req_line_speed = bp->req_line_speed;
6087         u32 advertising = bp->advertising;
6088         int err = -EINVAL;
6089
6090         spin_lock_bh(&bp->phy_lock);
6091
6092         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6093                 goto err_out_unlock;
6094
6095         if (cmd->port != bp->phy_port &&
6096             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6097                 goto err_out_unlock;
6098
6099         if (cmd->autoneg == AUTONEG_ENABLE) {
6100                 autoneg |= AUTONEG_SPEED;
6101
6102                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6103
6104                 /* allow advertising 1 speed */
6105                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6106                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6107                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6108                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6109
6110                         if (cmd->port == PORT_FIBRE)
6111                                 goto err_out_unlock;
6112
6113                         advertising = cmd->advertising;
6114
6115                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6116                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6117                             (cmd->port == PORT_TP))
6118                                 goto err_out_unlock;
6119                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6120                         advertising = cmd->advertising;
6121                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6122                         goto err_out_unlock;
6123                 else {
6124                         if (cmd->port == PORT_FIBRE)
6125                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6126                         else
6127                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6128                 }
6129                 advertising |= ADVERTISED_Autoneg;
6130         }
6131         else {
6132                 if (cmd->port == PORT_FIBRE) {
6133                         if ((cmd->speed != SPEED_1000 &&
6134                              cmd->speed != SPEED_2500) ||
6135                             (cmd->duplex != DUPLEX_FULL))
6136                                 goto err_out_unlock;
6137
6138                         if (cmd->speed == SPEED_2500 &&
6139                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6140                                 goto err_out_unlock;
6141                 }
6142                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6143                         goto err_out_unlock;
6144
6145                 autoneg &= ~AUTONEG_SPEED;
6146                 req_line_speed = cmd->speed;
6147                 req_duplex = cmd->duplex;
6148                 advertising = 0;
6149         }
6150
6151         bp->autoneg = autoneg;
6152         bp->advertising = advertising;
6153         bp->req_line_speed = req_line_speed;
6154         bp->req_duplex = req_duplex;
6155
6156         err = bnx2_setup_phy(bp, cmd->port);
6157
6158 err_out_unlock:
6159         spin_unlock_bh(&bp->phy_lock);
6160
6161         return err;
6162 }
6163
6164 static void
6165 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6166 {
6167         struct bnx2 *bp = netdev_priv(dev);
6168
6169         strcpy(info->driver, DRV_MODULE_NAME);
6170         strcpy(info->version, DRV_MODULE_VERSION);
6171         strcpy(info->bus_info, pci_name(bp->pdev));
6172         strcpy(info->fw_version, bp->fw_version);
6173 }
6174
6175 #define BNX2_REGDUMP_LEN                (32 * 1024)
6176
6177 static int
6178 bnx2_get_regs_len(struct net_device *dev)
6179 {
6180         return BNX2_REGDUMP_LEN;
6181 }
6182
6183 static void
6184 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6185 {
6186         u32 *p = _p, i, offset;
6187         u8 *orig_p = _p;
6188         struct bnx2 *bp = netdev_priv(dev);
6189         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6190                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6191                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6192                                  0x1040, 0x1048, 0x1080, 0x10a4,
6193                                  0x1400, 0x1490, 0x1498, 0x14f0,
6194                                  0x1500, 0x155c, 0x1580, 0x15dc,
6195                                  0x1600, 0x1658, 0x1680, 0x16d8,
6196                                  0x1800, 0x1820, 0x1840, 0x1854,
6197                                  0x1880, 0x1894, 0x1900, 0x1984,
6198                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6199                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6200                                  0x2000, 0x2030, 0x23c0, 0x2400,
6201                                  0x2800, 0x2820, 0x2830, 0x2850,
6202                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6203                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6204                                  0x4080, 0x4090, 0x43c0, 0x4458,
6205                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6206                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6207                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6208                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6209                                  0x6800, 0x6848, 0x684c, 0x6860,
6210                                  0x6888, 0x6910, 0x8000 };
6211
6212         regs->version = 0;
6213
6214         memset(p, 0, BNX2_REGDUMP_LEN);
6215
6216         if (!netif_running(bp->dev))
6217                 return;
6218
6219         i = 0;
6220         offset = reg_boundaries[0];
6221         p += offset;
6222         while (offset < BNX2_REGDUMP_LEN) {
6223                 *p++ = REG_RD(bp, offset);
6224                 offset += 4;
6225                 if (offset == reg_boundaries[i + 1]) {
6226                         offset = reg_boundaries[i + 2];
6227                         p = (u32 *) (orig_p + offset);
6228                         i += 2;
6229                 }
6230         }
6231 }
6232
6233 static void
6234 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6235 {
6236         struct bnx2 *bp = netdev_priv(dev);
6237
6238         if (bp->flags & BNX2_FLAG_NO_WOL) {
6239                 wol->supported = 0;
6240                 wol->wolopts = 0;
6241         }
6242         else {
6243                 wol->supported = WAKE_MAGIC;
6244                 if (bp->wol)
6245                         wol->wolopts = WAKE_MAGIC;
6246                 else
6247                         wol->wolopts = 0;
6248         }
6249         memset(&wol->sopass, 0, sizeof(wol->sopass));
6250 }
6251
6252 static int
6253 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6254 {
6255         struct bnx2 *bp = netdev_priv(dev);
6256
6257         if (wol->wolopts & ~WAKE_MAGIC)
6258                 return -EINVAL;
6259
6260         if (wol->wolopts & WAKE_MAGIC) {
6261                 if (bp->flags & BNX2_FLAG_NO_WOL)
6262                         return -EINVAL;
6263
6264                 bp->wol = 1;
6265         }
6266         else {
6267                 bp->wol = 0;
6268         }
6269         return 0;
6270 }
6271
6272 static int
6273 bnx2_nway_reset(struct net_device *dev)
6274 {
6275         struct bnx2 *bp = netdev_priv(dev);
6276         u32 bmcr;
6277
6278         if (!(bp->autoneg & AUTONEG_SPEED)) {
6279                 return -EINVAL;
6280         }
6281
6282         spin_lock_bh(&bp->phy_lock);
6283
6284         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6285                 int rc;
6286
6287                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6288                 spin_unlock_bh(&bp->phy_lock);
6289                 return rc;
6290         }
6291
6292         /* Force a link down visible on the other side */
6293         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6294                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6295                 spin_unlock_bh(&bp->phy_lock);
6296
6297                 msleep(20);
6298
6299                 spin_lock_bh(&bp->phy_lock);
6300
6301                 bp->current_interval = SERDES_AN_TIMEOUT;
6302                 bp->serdes_an_pending = 1;
6303                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6304         }
6305
6306         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6307         bmcr &= ~BMCR_LOOPBACK;
6308         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6309
6310         spin_unlock_bh(&bp->phy_lock);
6311
6312         return 0;
6313 }
6314
6315 static int
6316 bnx2_get_eeprom_len(struct net_device *dev)
6317 {
6318         struct bnx2 *bp = netdev_priv(dev);
6319
6320         if (bp->flash_info == NULL)
6321                 return 0;
6322
6323         return (int) bp->flash_size;
6324 }
6325
6326 static int
6327 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6328                 u8 *eebuf)
6329 {
6330         struct bnx2 *bp = netdev_priv(dev);
6331         int rc;
6332
6333         /* parameters already validated in ethtool_get_eeprom */
6334
6335         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6336
6337         return rc;
6338 }
6339
6340 static int
6341 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6342                 u8 *eebuf)
6343 {
6344         struct bnx2 *bp = netdev_priv(dev);
6345         int rc;
6346
6347         /* parameters already validated in ethtool_set_eeprom */
6348
6349         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6350
6351         return rc;
6352 }
6353
6354 static int
6355 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6356 {
6357         struct bnx2 *bp = netdev_priv(dev);
6358
6359         memset(coal, 0, sizeof(struct ethtool_coalesce));
6360
6361         coal->rx_coalesce_usecs = bp->rx_ticks;
6362         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6363         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6364         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6365
6366         coal->tx_coalesce_usecs = bp->tx_ticks;
6367         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6368         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6369         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6370
6371         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6372
6373         return 0;
6374 }
6375
6376 static int
6377 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6378 {
6379         struct bnx2 *bp = netdev_priv(dev);
6380
6381         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6382         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6383
6384         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6385         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6386
6387         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6388         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6389
6390         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6391         if (bp->rx_quick_cons_trip_int > 0xff)
6392                 bp->rx_quick_cons_trip_int = 0xff;
6393
6394         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6395         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6396
6397         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6398         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6399
6400         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6401         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6402
6403         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6404         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6405                 0xff;
6406
6407         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6408         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6409                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6410                         bp->stats_ticks = USEC_PER_SEC;
6411         }
6412         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6413                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6414         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6415
6416         if (netif_running(bp->dev)) {
6417                 bnx2_netif_stop(bp);
6418                 bnx2_init_nic(bp);
6419                 bnx2_netif_start(bp);
6420         }
6421
6422         return 0;
6423 }
6424
6425 static void
6426 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6427 {
6428         struct bnx2 *bp = netdev_priv(dev);
6429
6430         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6431         ering->rx_mini_max_pending = 0;
6432         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6433
6434         ering->rx_pending = bp->rx_ring_size;
6435         ering->rx_mini_pending = 0;
6436         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6437
6438         ering->tx_max_pending = MAX_TX_DESC_CNT;
6439         ering->tx_pending = bp->tx_ring_size;
6440 }
6441
6442 static int
6443 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6444 {
6445         if (netif_running(bp->dev)) {
6446                 bnx2_netif_stop(bp);
6447                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6448                 bnx2_free_skbs(bp);
6449                 bnx2_free_mem(bp);
6450         }
6451
6452         bnx2_set_rx_ring_size(bp, rx);
6453         bp->tx_ring_size = tx;
6454
6455         if (netif_running(bp->dev)) {
6456                 int rc;
6457
6458                 rc = bnx2_alloc_mem(bp);
6459                 if (rc)
6460                         return rc;
6461                 bnx2_init_nic(bp);
6462                 bnx2_netif_start(bp);
6463         }
6464         return 0;
6465 }
6466
6467 static int
6468 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6469 {
6470         struct bnx2 *bp = netdev_priv(dev);
6471         int rc;
6472
6473         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6474                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6475                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6476
6477                 return -EINVAL;
6478         }
6479         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6480         return rc;
6481 }
6482
6483 static void
6484 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6485 {
6486         struct bnx2 *bp = netdev_priv(dev);
6487
6488         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6489         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6490         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6491 }
6492
6493 static int
6494 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6495 {
6496         struct bnx2 *bp = netdev_priv(dev);
6497
6498         bp->req_flow_ctrl = 0;
6499         if (epause->rx_pause)
6500                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6501         if (epause->tx_pause)
6502                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6503
6504         if (epause->autoneg) {
6505                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6506         }
6507         else {
6508                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6509         }
6510
6511         spin_lock_bh(&bp->phy_lock);
6512
6513         bnx2_setup_phy(bp, bp->phy_port);
6514
6515         spin_unlock_bh(&bp->phy_lock);
6516
6517         return 0;
6518 }
6519
6520 static u32
6521 bnx2_get_rx_csum(struct net_device *dev)
6522 {
6523         struct bnx2 *bp = netdev_priv(dev);
6524
6525         return bp->rx_csum;
6526 }
6527
6528 static int
6529 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6530 {
6531         struct bnx2 *bp = netdev_priv(dev);
6532
6533         bp->rx_csum = data;
6534         return 0;
6535 }
6536
6537 static int
6538 bnx2_set_tso(struct net_device *dev, u32 data)
6539 {
6540         struct bnx2 *bp = netdev_priv(dev);
6541
6542         if (data) {
6543                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6544                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6545                         dev->features |= NETIF_F_TSO6;
6546         } else
6547                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6548                                    NETIF_F_TSO_ECN);
6549         return 0;
6550 }
6551
6552 #define BNX2_NUM_STATS 46
6553
6554 static struct {
6555         char string[ETH_GSTRING_LEN];
6556 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6557         { "rx_bytes" },
6558         { "rx_error_bytes" },
6559         { "tx_bytes" },
6560         { "tx_error_bytes" },
6561         { "rx_ucast_packets" },
6562         { "rx_mcast_packets" },
6563         { "rx_bcast_packets" },
6564         { "tx_ucast_packets" },
6565         { "tx_mcast_packets" },
6566         { "tx_bcast_packets" },
6567         { "tx_mac_errors" },
6568         { "tx_carrier_errors" },
6569         { "rx_crc_errors" },
6570         { "rx_align_errors" },
6571         { "tx_single_collisions" },
6572         { "tx_multi_collisions" },
6573         { "tx_deferred" },
6574         { "tx_excess_collisions" },
6575         { "tx_late_collisions" },
6576         { "tx_total_collisions" },
6577         { "rx_fragments" },
6578         { "rx_jabbers" },
6579         { "rx_undersize_packets" },
6580         { "rx_oversize_packets" },
6581         { "rx_64_byte_packets" },
6582         { "rx_65_to_127_byte_packets" },
6583         { "rx_128_to_255_byte_packets" },
6584         { "rx_256_to_511_byte_packets" },
6585         { "rx_512_to_1023_byte_packets" },
6586         { "rx_1024_to_1522_byte_packets" },
6587         { "rx_1523_to_9022_byte_packets" },
6588         { "tx_64_byte_packets" },
6589         { "tx_65_to_127_byte_packets" },
6590         { "tx_128_to_255_byte_packets" },
6591         { "tx_256_to_511_byte_packets" },
6592         { "tx_512_to_1023_byte_packets" },
6593         { "tx_1024_to_1522_byte_packets" },
6594         { "tx_1523_to_9022_byte_packets" },
6595         { "rx_xon_frames" },
6596         { "rx_xoff_frames" },
6597         { "tx_xon_frames" },
6598         { "tx_xoff_frames" },
6599         { "rx_mac_ctrl_frames" },
6600         { "rx_filtered_packets" },
6601         { "rx_discards" },
6602         { "rx_fw_discards" },
6603 };
6604
6605 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6606
6607 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6608     STATS_OFFSET32(stat_IfHCInOctets_hi),
6609     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6610     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6611     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6612     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6613     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6614     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6615     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6616     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6617     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6618     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6619     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6620     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6621     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6622     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6623     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6624     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6625     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6626     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6627     STATS_OFFSET32(stat_EtherStatsCollisions),
6628     STATS_OFFSET32(stat_EtherStatsFragments),
6629     STATS_OFFSET32(stat_EtherStatsJabbers),
6630     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6631     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6632     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6633     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6634     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6635     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6636     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6637     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6638     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6639     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6640     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6641     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6642     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6643     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6644     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6645     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6646     STATS_OFFSET32(stat_XonPauseFramesReceived),
6647     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6648     STATS_OFFSET32(stat_OutXonSent),
6649     STATS_OFFSET32(stat_OutXoffSent),
6650     STATS_OFFSET32(stat_MacControlFramesReceived),
6651     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6652     STATS_OFFSET32(stat_IfInMBUFDiscards),
6653     STATS_OFFSET32(stat_FwRxDrop),
6654 };
6655
6656 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6657  * skipped because of errata.
6658  */
6659 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6660         8,0,8,8,8,8,8,8,8,8,
6661         4,0,4,4,4,4,4,4,4,4,
6662         4,4,4,4,4,4,4,4,4,4,
6663         4,4,4,4,4,4,4,4,4,4,
6664         4,4,4,4,4,4,
6665 };
6666
6667 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6668         8,0,8,8,8,8,8,8,8,8,
6669         4,4,4,4,4,4,4,4,4,4,
6670         4,4,4,4,4,4,4,4,4,4,
6671         4,4,4,4,4,4,4,4,4,4,
6672         4,4,4,4,4,4,
6673 };
6674
6675 #define BNX2_NUM_TESTS 6
6676
6677 static struct {
6678         char string[ETH_GSTRING_LEN];
6679 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6680         { "register_test (offline)" },
6681         { "memory_test (offline)" },
6682         { "loopback_test (offline)" },
6683         { "nvram_test (online)" },
6684         { "interrupt_test (online)" },
6685         { "link_test (online)" },
6686 };
6687
6688 static int
6689 bnx2_get_sset_count(struct net_device *dev, int sset)
6690 {
6691         switch (sset) {
6692         case ETH_SS_TEST:
6693                 return BNX2_NUM_TESTS;
6694         case ETH_SS_STATS:
6695                 return BNX2_NUM_STATS;
6696         default:
6697                 return -EOPNOTSUPP;
6698         }
6699 }
6700
6701 static void
6702 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6703 {
6704         struct bnx2 *bp = netdev_priv(dev);
6705
6706         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6707         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6708                 int i;
6709
6710                 bnx2_netif_stop(bp);
6711                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6712                 bnx2_free_skbs(bp);
6713
6714                 if (bnx2_test_registers(bp) != 0) {
6715                         buf[0] = 1;
6716                         etest->flags |= ETH_TEST_FL_FAILED;
6717                 }
6718                 if (bnx2_test_memory(bp) != 0) {
6719                         buf[1] = 1;
6720                         etest->flags |= ETH_TEST_FL_FAILED;
6721                 }
6722                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6723                         etest->flags |= ETH_TEST_FL_FAILED;
6724
6725                 if (!netif_running(bp->dev)) {
6726                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6727                 }
6728                 else {
6729                         bnx2_init_nic(bp);
6730                         bnx2_netif_start(bp);
6731                 }
6732
6733                 /* wait for link up */
6734                 for (i = 0; i < 7; i++) {
6735                         if (bp->link_up)
6736                                 break;
6737                         msleep_interruptible(1000);
6738                 }
6739         }
6740
6741         if (bnx2_test_nvram(bp) != 0) {
6742                 buf[3] = 1;
6743                 etest->flags |= ETH_TEST_FL_FAILED;
6744         }
6745         if (bnx2_test_intr(bp) != 0) {
6746                 buf[4] = 1;
6747                 etest->flags |= ETH_TEST_FL_FAILED;
6748         }
6749
6750         if (bnx2_test_link(bp) != 0) {
6751                 buf[5] = 1;
6752                 etest->flags |= ETH_TEST_FL_FAILED;
6753
6754         }
6755 }
6756
6757 static void
6758 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6759 {
6760         switch (stringset) {
6761         case ETH_SS_STATS:
6762                 memcpy(buf, bnx2_stats_str_arr,
6763                         sizeof(bnx2_stats_str_arr));
6764                 break;
6765         case ETH_SS_TEST:
6766                 memcpy(buf, bnx2_tests_str_arr,
6767                         sizeof(bnx2_tests_str_arr));
6768                 break;
6769         }
6770 }
6771
6772 static void
6773 bnx2_get_ethtool_stats(struct net_device *dev,
6774                 struct ethtool_stats *stats, u64 *buf)
6775 {
6776         struct bnx2 *bp = netdev_priv(dev);
6777         int i;
6778         u32 *hw_stats = (u32 *) bp->stats_blk;
6779         u8 *stats_len_arr = NULL;
6780
6781         if (hw_stats == NULL) {
6782                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6783                 return;
6784         }
6785
6786         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6787             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6788             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6789             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6790                 stats_len_arr = bnx2_5706_stats_len_arr;
6791         else
6792                 stats_len_arr = bnx2_5708_stats_len_arr;
6793
6794         for (i = 0; i < BNX2_NUM_STATS; i++) {
6795                 if (stats_len_arr[i] == 0) {
6796                         /* skip this counter */
6797                         buf[i] = 0;
6798                         continue;
6799                 }
6800                 if (stats_len_arr[i] == 4) {
6801                         /* 4-byte counter */
6802                         buf[i] = (u64)
6803                                 *(hw_stats + bnx2_stats_offset_arr[i]);
6804                         continue;
6805                 }
6806                 /* 8-byte counter */
6807                 buf[i] = (((u64) *(hw_stats +
6808                                         bnx2_stats_offset_arr[i])) << 32) +
6809                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6810         }
6811 }
6812
6813 static int
6814 bnx2_phys_id(struct net_device *dev, u32 data)
6815 {
6816         struct bnx2 *bp = netdev_priv(dev);
6817         int i;
6818         u32 save;
6819
6820         if (data == 0)
6821                 data = 2;
6822
6823         save = REG_RD(bp, BNX2_MISC_CFG);
6824         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6825
6826         for (i = 0; i < (data * 2); i++) {
6827                 if ((i % 2) == 0) {
6828                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6829                 }
6830                 else {
6831                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6832                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
6833                                 BNX2_EMAC_LED_100MB_OVERRIDE |
6834                                 BNX2_EMAC_LED_10MB_OVERRIDE |
6835                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6836                                 BNX2_EMAC_LED_TRAFFIC);
6837                 }
6838                 msleep_interruptible(500);
6839                 if (signal_pending(current))
6840                         break;
6841         }
6842         REG_WR(bp, BNX2_EMAC_LED, 0);
6843         REG_WR(bp, BNX2_MISC_CFG, save);
6844         return 0;
6845 }
6846
6847 static int
6848 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6849 {
6850         struct bnx2 *bp = netdev_priv(dev);
6851
6852         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6853                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6854         else
6855                 return (ethtool_op_set_tx_csum(dev, data));
6856 }
6857
6858 static const struct ethtool_ops bnx2_ethtool_ops = {
6859         .get_settings           = bnx2_get_settings,
6860         .set_settings           = bnx2_set_settings,
6861         .get_drvinfo            = bnx2_get_drvinfo,
6862         .get_regs_len           = bnx2_get_regs_len,
6863         .get_regs               = bnx2_get_regs,
6864         .get_wol                = bnx2_get_wol,
6865         .set_wol                = bnx2_set_wol,
6866         .nway_reset             = bnx2_nway_reset,
6867         .get_link               = ethtool_op_get_link,
6868         .get_eeprom_len         = bnx2_get_eeprom_len,
6869         .get_eeprom             = bnx2_get_eeprom,
6870         .set_eeprom             = bnx2_set_eeprom,
6871         .get_coalesce           = bnx2_get_coalesce,
6872         .set_coalesce           = bnx2_set_coalesce,
6873         .get_ringparam          = bnx2_get_ringparam,
6874         .set_ringparam          = bnx2_set_ringparam,
6875         .get_pauseparam         = bnx2_get_pauseparam,
6876         .set_pauseparam         = bnx2_set_pauseparam,
6877         .get_rx_csum            = bnx2_get_rx_csum,
6878         .set_rx_csum            = bnx2_set_rx_csum,
6879         .set_tx_csum            = bnx2_set_tx_csum,
6880         .set_sg                 = ethtool_op_set_sg,
6881         .set_tso                = bnx2_set_tso,
6882         .self_test              = bnx2_self_test,
6883         .get_strings            = bnx2_get_strings,
6884         .phys_id                = bnx2_phys_id,
6885         .get_ethtool_stats      = bnx2_get_ethtool_stats,
6886         .get_sset_count         = bnx2_get_sset_count,
6887 };
6888
6889 /* Called with rtnl_lock */
6890 static int
6891 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6892 {
6893         struct mii_ioctl_data *data = if_mii(ifr);
6894         struct bnx2 *bp = netdev_priv(dev);
6895         int err;
6896
6897         switch(cmd) {
6898         case SIOCGMIIPHY:
6899                 data->phy_id = bp->phy_addr;
6900
6901                 /* fallthru */
6902         case SIOCGMIIREG: {
6903                 u32 mii_regval;
6904
6905                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6906                         return -EOPNOTSUPP;
6907
6908                 if (!netif_running(dev))
6909                         return -EAGAIN;
6910
6911                 spin_lock_bh(&bp->phy_lock);
6912                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6913                 spin_unlock_bh(&bp->phy_lock);
6914
6915                 data->val_out = mii_regval;
6916
6917                 return err;
6918         }
6919
6920         case SIOCSMIIREG:
6921                 if (!capable(CAP_NET_ADMIN))
6922                         return -EPERM;
6923
6924                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6925                         return -EOPNOTSUPP;
6926
6927                 if (!netif_running(dev))
6928                         return -EAGAIN;
6929
6930                 spin_lock_bh(&bp->phy_lock);
6931                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6932                 spin_unlock_bh(&bp->phy_lock);
6933
6934                 return err;
6935
6936         default:
6937                 /* do nothing */
6938                 break;
6939         }
6940         return -EOPNOTSUPP;
6941 }
6942
6943 /* Called with rtnl_lock */
6944 static int
6945 bnx2_change_mac_addr(struct net_device *dev, void *p)
6946 {
6947         struct sockaddr *addr = p;
6948         struct bnx2 *bp = netdev_priv(dev);
6949
6950         if (!is_valid_ether_addr(addr->sa_data))
6951                 return -EINVAL;
6952
6953         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6954         if (netif_running(dev))
6955                 bnx2_set_mac_addr(bp);
6956
6957         return 0;
6958 }
6959
6960 /* Called with rtnl_lock */
6961 static int
6962 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6963 {
6964         struct bnx2 *bp = netdev_priv(dev);
6965
6966         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6967                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6968                 return -EINVAL;
6969
6970         dev->mtu = new_mtu;
6971         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6972 }
6973
6974 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6975 static void
6976 poll_bnx2(struct net_device *dev)
6977 {
6978         struct bnx2 *bp = netdev_priv(dev);
6979
6980         disable_irq(bp->pdev->irq);
6981         bnx2_interrupt(bp->pdev->irq, dev);
6982         enable_irq(bp->pdev->irq);
6983 }
6984 #endif
6985
6986 static void __devinit
6987 bnx2_get_5709_media(struct bnx2 *bp)
6988 {
6989         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6990         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6991         u32 strap;
6992
6993         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6994                 return;
6995         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6996                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6997                 return;
6998         }
6999
7000         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7001                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7002         else
7003                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7004
7005         if (PCI_FUNC(bp->pdev->devfn) == 0) {
7006                 switch (strap) {
7007                 case 0x4:
7008                 case 0x5:
7009                 case 0x6:
7010                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7011                         return;
7012                 }
7013         } else {
7014                 switch (strap) {
7015                 case 0x1:
7016                 case 0x2:
7017                 case 0x4:
7018                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7019                         return;
7020                 }
7021         }
7022 }
7023
7024 static void __devinit
7025 bnx2_get_pci_speed(struct bnx2 *bp)
7026 {
7027         u32 reg;
7028
7029         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7030         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7031                 u32 clkreg;
7032
7033                 bp->flags |= BNX2_FLAG_PCIX;
7034
7035                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7036
7037                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7038                 switch (clkreg) {
7039                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7040                         bp->bus_speed_mhz = 133;
7041                         break;
7042
7043                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7044                         bp->bus_speed_mhz = 100;
7045                         break;
7046
7047                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7048                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7049                         bp->bus_speed_mhz = 66;
7050                         break;
7051
7052                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7053                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7054                         bp->bus_speed_mhz = 50;
7055                         break;
7056
7057                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7058                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7059                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7060                         bp->bus_speed_mhz = 33;
7061                         break;
7062                 }
7063         }
7064         else {
7065                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7066                         bp->bus_speed_mhz = 66;
7067                 else
7068                         bp->bus_speed_mhz = 33;
7069         }
7070
7071         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7072                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7073
7074 }
7075
7076 static int __devinit
7077 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7078 {
7079         struct bnx2 *bp;
7080         unsigned long mem_len;
7081         int rc, i, j;
7082         u32 reg;
7083         u64 dma_mask, persist_dma_mask;
7084
7085         SET_NETDEV_DEV(dev, &pdev->dev);
7086         bp = netdev_priv(dev);
7087
7088         bp->flags = 0;
7089         bp->phy_flags = 0;
7090
7091         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7092         rc = pci_enable_device(pdev);
7093         if (rc) {
7094                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7095                 goto err_out;
7096         }
7097
7098         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7099                 dev_err(&pdev->dev,
7100                         "Cannot find PCI device base address, aborting.\n");
7101                 rc = -ENODEV;
7102                 goto err_out_disable;
7103         }
7104
7105         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7106         if (rc) {
7107                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7108                 goto err_out_disable;
7109         }
7110
7111         pci_set_master(pdev);
7112
7113         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7114         if (bp->pm_cap == 0) {
7115                 dev_err(&pdev->dev,
7116                         "Cannot find power management capability, aborting.\n");
7117                 rc = -EIO;
7118                 goto err_out_release;
7119         }
7120
7121         bp->dev = dev;
7122         bp->pdev = pdev;
7123
7124         spin_lock_init(&bp->phy_lock);
7125         spin_lock_init(&bp->indirect_lock);
7126         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7127
7128         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7129         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7130         dev->mem_end = dev->mem_start + mem_len;
7131         dev->irq = pdev->irq;
7132
7133         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7134
7135         if (!bp->regview) {
7136                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7137                 rc = -ENOMEM;
7138                 goto err_out_release;
7139         }
7140
7141         /* Configure byte swap and enable write to the reg_window registers.
7142          * Rely on CPU to do target byte swapping on big endian systems
7143          * The chip's target access swapping will not swap all accesses
7144          */
7145         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7146                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7147                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7148
7149         bnx2_set_power_state(bp, PCI_D0);
7150
7151         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7152
7153         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7154                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7155                         dev_err(&pdev->dev,
7156                                 "Cannot find PCIE capability, aborting.\n");
7157                         rc = -EIO;
7158                         goto err_out_unmap;
7159                 }
7160                 bp->flags |= BNX2_FLAG_PCIE;
7161                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7162                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7163         } else {
7164                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7165                 if (bp->pcix_cap == 0) {
7166                         dev_err(&pdev->dev,
7167                                 "Cannot find PCIX capability, aborting.\n");
7168                         rc = -EIO;
7169                         goto err_out_unmap;
7170                 }
7171         }
7172
7173         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7174                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7175                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7176         }
7177
7178         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7179                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7180                         bp->flags |= BNX2_FLAG_MSI_CAP;
7181         }
7182
7183         /* 5708 cannot support DMA addresses > 40-bit.  */
7184         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7185                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7186         else
7187                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7188
7189         /* Configure DMA attributes. */
7190         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7191                 dev->features |= NETIF_F_HIGHDMA;
7192                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7193                 if (rc) {
7194                         dev_err(&pdev->dev,
7195                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7196                         goto err_out_unmap;
7197                 }
7198         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7199                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7200                 goto err_out_unmap;
7201         }
7202
7203         if (!(bp->flags & BNX2_FLAG_PCIE))
7204                 bnx2_get_pci_speed(bp);
7205
7206         /* 5706A0 may falsely detect SERR and PERR. */
7207         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7208                 reg = REG_RD(bp, PCI_COMMAND);
7209                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7210                 REG_WR(bp, PCI_COMMAND, reg);
7211         }
7212         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7213                 !(bp->flags & BNX2_FLAG_PCIX)) {
7214
7215                 dev_err(&pdev->dev,
7216                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7217                 goto err_out_unmap;
7218         }
7219
7220         bnx2_init_nvram(bp);
7221
7222         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7223
7224         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7225             BNX2_SHM_HDR_SIGNATURE_SIG) {
7226                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7227
7228                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7229         } else
7230                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7231
7232         /* Get the permanent MAC address.  First we need to make sure the
7233          * firmware is actually running.
7234          */
7235         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7236
7237         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7238             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7239                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7240                 rc = -ENODEV;
7241                 goto err_out_unmap;
7242         }
7243
7244         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7245         for (i = 0, j = 0; i < 3; i++) {
7246                 u8 num, k, skip0;
7247
7248                 num = (u8) (reg >> (24 - (i * 8)));
7249                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7250                         if (num >= k || !skip0 || k == 1) {
7251                                 bp->fw_version[j++] = (num / k) + '0';
7252                                 skip0 = 0;
7253                         }
7254                 }
7255                 if (i != 2)
7256                         bp->fw_version[j++] = '.';
7257         }
7258         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7259         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7260                 bp->wol = 1;
7261
7262         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7263                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7264
7265                 for (i = 0; i < 30; i++) {
7266                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7267                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7268                                 break;
7269                         msleep(10);
7270                 }
7271         }
7272         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7273         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7274         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7275             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7276                 int i;
7277                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7278
7279                 bp->fw_version[j++] = ' ';
7280                 for (i = 0; i < 3; i++) {
7281                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7282                         reg = swab32(reg);
7283                         memcpy(&bp->fw_version[j], &reg, 4);
7284                         j += 4;
7285                 }
7286         }
7287
7288         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7289         bp->mac_addr[0] = (u8) (reg >> 8);
7290         bp->mac_addr[1] = (u8) reg;
7291
7292         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7293         bp->mac_addr[2] = (u8) (reg >> 24);
7294         bp->mac_addr[3] = (u8) (reg >> 16);
7295         bp->mac_addr[4] = (u8) (reg >> 8);
7296         bp->mac_addr[5] = (u8) reg;
7297
7298         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7299
7300         bp->tx_ring_size = MAX_TX_DESC_CNT;
7301         bnx2_set_rx_ring_size(bp, 255);
7302
7303         bp->rx_csum = 1;
7304
7305         bp->tx_quick_cons_trip_int = 20;
7306         bp->tx_quick_cons_trip = 20;
7307         bp->tx_ticks_int = 80;
7308         bp->tx_ticks = 80;
7309
7310         bp->rx_quick_cons_trip_int = 6;
7311         bp->rx_quick_cons_trip = 6;
7312         bp->rx_ticks_int = 18;
7313         bp->rx_ticks = 18;
7314
7315         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7316
7317         bp->timer_interval =  HZ;
7318         bp->current_interval =  HZ;
7319
7320         bp->phy_addr = 1;
7321
7322         /* Disable WOL support if we are running on a SERDES chip. */
7323         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7324                 bnx2_get_5709_media(bp);
7325         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7326                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7327
7328         bp->phy_port = PORT_TP;
7329         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7330                 bp->phy_port = PORT_FIBRE;
7331                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7332                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7333                         bp->flags |= BNX2_FLAG_NO_WOL;
7334                         bp->wol = 0;
7335                 }
7336                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7337                         /* Don't do parallel detect on this board because of
7338                          * some board problems.  The link will not go down
7339                          * if we do parallel detect.
7340                          */
7341                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7342                             pdev->subsystem_device == 0x310c)
7343                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7344                 } else {
7345                         bp->phy_addr = 2;
7346                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7347                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7348                 }
7349                 bnx2_init_remote_phy(bp);
7350
7351         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7352                    CHIP_NUM(bp) == CHIP_NUM_5708)
7353                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7354         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7355                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7356                   CHIP_REV(bp) == CHIP_REV_Bx))
7357                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7358
7359         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7360             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7361             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7362                 bp->flags |= BNX2_FLAG_NO_WOL;
7363                 bp->wol = 0;
7364         }
7365
7366         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7367                 bp->tx_quick_cons_trip_int =
7368                         bp->tx_quick_cons_trip;
7369                 bp->tx_ticks_int = bp->tx_ticks;
7370                 bp->rx_quick_cons_trip_int =
7371                         bp->rx_quick_cons_trip;
7372                 bp->rx_ticks_int = bp->rx_ticks;
7373                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7374                 bp->com_ticks_int = bp->com_ticks;
7375                 bp->cmd_ticks_int = bp->cmd_ticks;
7376         }
7377
7378         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7379          *
7380          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7381          * with byte enables disabled on the unused 32-bit word.  This is legal
7382          * but causes problems on the AMD 8132 which will eventually stop
7383          * responding after a while.
7384          *
7385          * AMD believes this incompatibility is unique to the 5706, and
7386          * prefers to locally disable MSI rather than globally disabling it.
7387          */
7388         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7389                 struct pci_dev *amd_8132 = NULL;
7390
7391                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7392                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7393                                                   amd_8132))) {
7394
7395                         if (amd_8132->revision >= 0x10 &&
7396                             amd_8132->revision <= 0x13) {
7397                                 disable_msi = 1;
7398                                 pci_dev_put(amd_8132);
7399                                 break;
7400                         }
7401                 }
7402         }
7403
7404         bnx2_set_default_link(bp);
7405         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7406
7407         init_timer(&bp->timer);
7408         bp->timer.expires = RUN_AT(bp->timer_interval);
7409         bp->timer.data = (unsigned long) bp;
7410         bp->timer.function = bnx2_timer;
7411
7412         return 0;
7413
7414 err_out_unmap:
7415         if (bp->regview) {
7416                 iounmap(bp->regview);
7417                 bp->regview = NULL;
7418         }
7419
7420 err_out_release:
7421         pci_release_regions(pdev);
7422
7423 err_out_disable:
7424         pci_disable_device(pdev);
7425         pci_set_drvdata(pdev, NULL);
7426
7427 err_out:
7428         return rc;
7429 }
7430
7431 static char * __devinit
7432 bnx2_bus_string(struct bnx2 *bp, char *str)
7433 {
7434         char *s = str;
7435
7436         if (bp->flags & BNX2_FLAG_PCIE) {
7437                 s += sprintf(s, "PCI Express");
7438         } else {
7439                 s += sprintf(s, "PCI");
7440                 if (bp->flags & BNX2_FLAG_PCIX)
7441                         s += sprintf(s, "-X");
7442                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7443                         s += sprintf(s, " 32-bit");
7444                 else
7445                         s += sprintf(s, " 64-bit");
7446                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7447         }
7448         return str;
7449 }
7450
7451 static void __devinit
7452 bnx2_init_napi(struct bnx2 *bp)
7453 {
7454         int i;
7455         struct bnx2_napi *bnapi;
7456
7457         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7458                 bnapi = &bp->bnx2_napi[i];
7459                 bnapi->bp = bp;
7460         }
7461         netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7462         netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7463                        64);
7464 }
7465
7466 static int __devinit
7467 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7468 {
7469         static int version_printed = 0;
7470         struct net_device *dev = NULL;
7471         struct bnx2 *bp;
7472         int rc;
7473         char str[40];
7474         DECLARE_MAC_BUF(mac);
7475
7476         if (version_printed++ == 0)
7477                 printk(KERN_INFO "%s", version);
7478
7479         /* dev zeroed in init_etherdev */
7480         dev = alloc_etherdev(sizeof(*bp));
7481
7482         if (!dev)
7483                 return -ENOMEM;
7484
7485         rc = bnx2_init_board(pdev, dev);
7486         if (rc < 0) {
7487                 free_netdev(dev);
7488                 return rc;
7489         }
7490
7491         dev->open = bnx2_open;
7492         dev->hard_start_xmit = bnx2_start_xmit;
7493         dev->stop = bnx2_close;
7494         dev->get_stats = bnx2_get_stats;
7495         dev->set_multicast_list = bnx2_set_rx_mode;
7496         dev->do_ioctl = bnx2_ioctl;
7497         dev->set_mac_address = bnx2_change_mac_addr;
7498         dev->change_mtu = bnx2_change_mtu;
7499         dev->tx_timeout = bnx2_tx_timeout;
7500         dev->watchdog_timeo = TX_TIMEOUT;
7501 #ifdef BCM_VLAN
7502         dev->vlan_rx_register = bnx2_vlan_rx_register;
7503 #endif
7504         dev->ethtool_ops = &bnx2_ethtool_ops;
7505
7506         bp = netdev_priv(dev);
7507         bnx2_init_napi(bp);
7508
7509 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7510         dev->poll_controller = poll_bnx2;
7511 #endif
7512
7513         pci_set_drvdata(pdev, dev);
7514
7515         memcpy(dev->dev_addr, bp->mac_addr, 6);
7516         memcpy(dev->perm_addr, bp->mac_addr, 6);
7517         bp->name = board_info[ent->driver_data].name;
7518
7519         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7520         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7521                 dev->features |= NETIF_F_IPV6_CSUM;
7522
7523 #ifdef BCM_VLAN
7524         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7525 #endif
7526         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7527         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7528                 dev->features |= NETIF_F_TSO6;
7529
7530         if ((rc = register_netdev(dev))) {
7531                 dev_err(&pdev->dev, "Cannot register net device\n");
7532                 if (bp->regview)
7533                         iounmap(bp->regview);
7534                 pci_release_regions(pdev);
7535                 pci_disable_device(pdev);
7536                 pci_set_drvdata(pdev, NULL);
7537                 free_netdev(dev);
7538                 return rc;
7539         }
7540
7541         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7542                 "IRQ %d, node addr %s\n",
7543                 dev->name,
7544                 bp->name,
7545                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7546                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7547                 bnx2_bus_string(bp, str),
7548                 dev->base_addr,
7549                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7550
7551         return 0;
7552 }
7553
7554 static void __devexit
7555 bnx2_remove_one(struct pci_dev *pdev)
7556 {
7557         struct net_device *dev = pci_get_drvdata(pdev);
7558         struct bnx2 *bp = netdev_priv(dev);
7559
7560         flush_scheduled_work();
7561
7562         unregister_netdev(dev);
7563
7564         if (bp->regview)
7565                 iounmap(bp->regview);
7566
7567         free_netdev(dev);
7568         pci_release_regions(pdev);
7569         pci_disable_device(pdev);
7570         pci_set_drvdata(pdev, NULL);
7571 }
7572
7573 static int
7574 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7575 {
7576         struct net_device *dev = pci_get_drvdata(pdev);
7577         struct bnx2 *bp = netdev_priv(dev);
7578         u32 reset_code;
7579
7580         /* PCI register 4 needs to be saved whether netif_running() or not.
7581          * MSI address and data need to be saved if using MSI and
7582          * netif_running().
7583          */
7584         pci_save_state(pdev);
7585         if (!netif_running(dev))
7586                 return 0;
7587
7588         flush_scheduled_work();
7589         bnx2_netif_stop(bp);
7590         netif_device_detach(dev);
7591         del_timer_sync(&bp->timer);
7592         if (bp->flags & BNX2_FLAG_NO_WOL)
7593                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7594         else if (bp->wol)
7595                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7596         else
7597                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7598         bnx2_reset_chip(bp, reset_code);
7599         bnx2_free_skbs(bp);
7600         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7601         return 0;
7602 }
7603
7604 static int
7605 bnx2_resume(struct pci_dev *pdev)
7606 {
7607         struct net_device *dev = pci_get_drvdata(pdev);
7608         struct bnx2 *bp = netdev_priv(dev);
7609
7610         pci_restore_state(pdev);
7611         if (!netif_running(dev))
7612                 return 0;
7613
7614         bnx2_set_power_state(bp, PCI_D0);
7615         netif_device_attach(dev);
7616         bnx2_init_nic(bp);
7617         bnx2_netif_start(bp);
7618         return 0;
7619 }
7620
7621 static struct pci_driver bnx2_pci_driver = {
7622         .name           = DRV_MODULE_NAME,
7623         .id_table       = bnx2_pci_tbl,
7624         .probe          = bnx2_init_one,
7625         .remove         = __devexit_p(bnx2_remove_one),
7626         .suspend        = bnx2_suspend,
7627         .resume         = bnx2_resume,
7628 };
7629
7630 static int __init bnx2_init(void)
7631 {
7632         return pci_register_driver(&bnx2_pci_driver);
7633 }
7634
7635 static void __exit bnx2_cleanup(void)
7636 {
7637         pci_unregister_driver(&bnx2_pci_driver);
7638 }
7639
7640 module_init(bnx2_init);
7641 module_exit(bnx2_cleanup);
7642
7643
7644