bnx2: Fix register test on 5709.
[safe/jmp/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                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2226                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2227                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2228                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2229                        (u64) bp->ctx_blk_mapping[i] >> 32);
2230                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2231                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2232                 for (j = 0; j < 10; j++) {
2233
2234                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2235                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2236                                 break;
2237                         udelay(5);
2238                 }
2239                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2240                         ret = -EBUSY;
2241                         break;
2242                 }
2243         }
2244         return ret;
2245 }
2246
2247 static void
2248 bnx2_init_context(struct bnx2 *bp)
2249 {
2250         u32 vcid;
2251
2252         vcid = 96;
2253         while (vcid) {
2254                 u32 vcid_addr, pcid_addr, offset;
2255                 int i;
2256
2257                 vcid--;
2258
2259                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2260                         u32 new_vcid;
2261
2262                         vcid_addr = GET_PCID_ADDR(vcid);
2263                         if (vcid & 0x8) {
2264                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2265                         }
2266                         else {
2267                                 new_vcid = vcid;
2268                         }
2269                         pcid_addr = GET_PCID_ADDR(new_vcid);
2270                 }
2271                 else {
2272                         vcid_addr = GET_CID_ADDR(vcid);
2273                         pcid_addr = vcid_addr;
2274                 }
2275
2276                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2277                         vcid_addr += (i << PHY_CTX_SHIFT);
2278                         pcid_addr += (i << PHY_CTX_SHIFT);
2279
2280                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2281                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2282
2283                         /* Zero out the context. */
2284                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2285                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2286                 }
2287         }
2288 }
2289
2290 static int
2291 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2292 {
2293         u16 *good_mbuf;
2294         u32 good_mbuf_cnt;
2295         u32 val;
2296
2297         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2298         if (good_mbuf == NULL) {
2299                 printk(KERN_ERR PFX "Failed to allocate memory in "
2300                                     "bnx2_alloc_bad_rbuf\n");
2301                 return -ENOMEM;
2302         }
2303
2304         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2305                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2306
2307         good_mbuf_cnt = 0;
2308
2309         /* Allocate a bunch of mbufs and save the good ones in an array. */
2310         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2311         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2312                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2313                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2314
2315                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2316
2317                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2318
2319                 /* The addresses with Bit 9 set are bad memory blocks. */
2320                 if (!(val & (1 << 9))) {
2321                         good_mbuf[good_mbuf_cnt] = (u16) val;
2322                         good_mbuf_cnt++;
2323                 }
2324
2325                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2326         }
2327
2328         /* Free the good ones back to the mbuf pool thus discarding
2329          * all the bad ones. */
2330         while (good_mbuf_cnt) {
2331                 good_mbuf_cnt--;
2332
2333                 val = good_mbuf[good_mbuf_cnt];
2334                 val = (val << 9) | val | 1;
2335
2336                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2337         }
2338         kfree(good_mbuf);
2339         return 0;
2340 }
2341
2342 static void
2343 bnx2_set_mac_addr(struct bnx2 *bp)
2344 {
2345         u32 val;
2346         u8 *mac_addr = bp->dev->dev_addr;
2347
2348         val = (mac_addr[0] << 8) | mac_addr[1];
2349
2350         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2351
2352         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2353                 (mac_addr[4] << 8) | mac_addr[5];
2354
2355         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2356 }
2357
2358 static inline int
2359 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2360 {
2361         dma_addr_t mapping;
2362         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2363         struct rx_bd *rxbd =
2364                 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2365         struct page *page = alloc_page(GFP_ATOMIC);
2366
2367         if (!page)
2368                 return -ENOMEM;
2369         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2370                                PCI_DMA_FROMDEVICE);
2371         rx_pg->page = page;
2372         pci_unmap_addr_set(rx_pg, mapping, mapping);
2373         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2374         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2375         return 0;
2376 }
2377
2378 static void
2379 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2380 {
2381         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2382         struct page *page = rx_pg->page;
2383
2384         if (!page)
2385                 return;
2386
2387         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2388                        PCI_DMA_FROMDEVICE);
2389
2390         __free_page(page);
2391         rx_pg->page = NULL;
2392 }
2393
2394 static inline int
2395 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2396 {
2397         struct sk_buff *skb;
2398         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2399         dma_addr_t mapping;
2400         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2401         unsigned long align;
2402
2403         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2404         if (skb == NULL) {
2405                 return -ENOMEM;
2406         }
2407
2408         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2409                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2410
2411         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2412                 PCI_DMA_FROMDEVICE);
2413
2414         rx_buf->skb = skb;
2415         pci_unmap_addr_set(rx_buf, mapping, mapping);
2416
2417         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2418         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2419
2420         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2421
2422         return 0;
2423 }
2424
2425 static int
2426 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2427 {
2428         struct status_block *sblk = bnapi->status_blk;
2429         u32 new_link_state, old_link_state;
2430         int is_set = 1;
2431
2432         new_link_state = sblk->status_attn_bits & event;
2433         old_link_state = sblk->status_attn_bits_ack & event;
2434         if (new_link_state != old_link_state) {
2435                 if (new_link_state)
2436                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2437                 else
2438                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2439         } else
2440                 is_set = 0;
2441
2442         return is_set;
2443 }
2444
2445 static void
2446 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2447 {
2448         spin_lock(&bp->phy_lock);
2449
2450         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2451                 bnx2_set_link(bp);
2452         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2453                 bnx2_set_remote_link(bp);
2454
2455         spin_unlock(&bp->phy_lock);
2456
2457 }
2458
2459 static inline u16
2460 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2461 {
2462         u16 cons;
2463
2464         if (bnapi->int_num == 0)
2465                 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2466         else
2467                 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2468
2469         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2470                 cons++;
2471         return cons;
2472 }
2473
2474 static int
2475 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2476 {
2477         u16 hw_cons, sw_cons, sw_ring_cons;
2478         int tx_pkt = 0;
2479
2480         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2481         sw_cons = bnapi->tx_cons;
2482
2483         while (sw_cons != hw_cons) {
2484                 struct sw_bd *tx_buf;
2485                 struct sk_buff *skb;
2486                 int i, last;
2487
2488                 sw_ring_cons = TX_RING_IDX(sw_cons);
2489
2490                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2491                 skb = tx_buf->skb;
2492
2493                 /* partial BD completions possible with TSO packets */
2494                 if (skb_is_gso(skb)) {
2495                         u16 last_idx, last_ring_idx;
2496
2497                         last_idx = sw_cons +
2498                                 skb_shinfo(skb)->nr_frags + 1;
2499                         last_ring_idx = sw_ring_cons +
2500                                 skb_shinfo(skb)->nr_frags + 1;
2501                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2502                                 last_idx++;
2503                         }
2504                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2505                                 break;
2506                         }
2507                 }
2508
2509                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2510                         skb_headlen(skb), PCI_DMA_TODEVICE);
2511
2512                 tx_buf->skb = NULL;
2513                 last = skb_shinfo(skb)->nr_frags;
2514
2515                 for (i = 0; i < last; i++) {
2516                         sw_cons = NEXT_TX_BD(sw_cons);
2517
2518                         pci_unmap_page(bp->pdev,
2519                                 pci_unmap_addr(
2520                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2521                                         mapping),
2522                                 skb_shinfo(skb)->frags[i].size,
2523                                 PCI_DMA_TODEVICE);
2524                 }
2525
2526                 sw_cons = NEXT_TX_BD(sw_cons);
2527
2528                 dev_kfree_skb(skb);
2529                 tx_pkt++;
2530                 if (tx_pkt == budget)
2531                         break;
2532
2533                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2534         }
2535
2536         bnapi->hw_tx_cons = hw_cons;
2537         bnapi->tx_cons = sw_cons;
2538         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2539          * before checking for netif_queue_stopped().  Without the
2540          * memory barrier, there is a small possibility that bnx2_start_xmit()
2541          * will miss it and cause the queue to be stopped forever.
2542          */
2543         smp_mb();
2544
2545         if (unlikely(netif_queue_stopped(bp->dev)) &&
2546                      (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2547                 netif_tx_lock(bp->dev);
2548                 if ((netif_queue_stopped(bp->dev)) &&
2549                     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2550                         netif_wake_queue(bp->dev);
2551                 netif_tx_unlock(bp->dev);
2552         }
2553         return tx_pkt;
2554 }
2555
2556 static void
2557 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2558                         struct sk_buff *skb, int count)
2559 {
2560         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2561         struct rx_bd *cons_bd, *prod_bd;
2562         dma_addr_t mapping;
2563         int i;
2564         u16 hw_prod = bnapi->rx_pg_prod, prod;
2565         u16 cons = bnapi->rx_pg_cons;
2566
2567         for (i = 0; i < count; i++) {
2568                 prod = RX_PG_RING_IDX(hw_prod);
2569
2570                 prod_rx_pg = &bp->rx_pg_ring[prod];
2571                 cons_rx_pg = &bp->rx_pg_ring[cons];
2572                 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2573                 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2574
2575                 if (i == 0 && skb) {
2576                         struct page *page;
2577                         struct skb_shared_info *shinfo;
2578
2579                         shinfo = skb_shinfo(skb);
2580                         shinfo->nr_frags--;
2581                         page = shinfo->frags[shinfo->nr_frags].page;
2582                         shinfo->frags[shinfo->nr_frags].page = NULL;
2583                         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2584                                                PCI_DMA_FROMDEVICE);
2585                         cons_rx_pg->page = page;
2586                         pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2587                         dev_kfree_skb(skb);
2588                 }
2589                 if (prod != cons) {
2590                         prod_rx_pg->page = cons_rx_pg->page;
2591                         cons_rx_pg->page = NULL;
2592                         pci_unmap_addr_set(prod_rx_pg, mapping,
2593                                 pci_unmap_addr(cons_rx_pg, mapping));
2594
2595                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2596                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2597
2598                 }
2599                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2600                 hw_prod = NEXT_RX_BD(hw_prod);
2601         }
2602         bnapi->rx_pg_prod = hw_prod;
2603         bnapi->rx_pg_cons = cons;
2604 }
2605
2606 static inline void
2607 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2608         u16 cons, u16 prod)
2609 {
2610         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2611         struct rx_bd *cons_bd, *prod_bd;
2612
2613         cons_rx_buf = &bp->rx_buf_ring[cons];
2614         prod_rx_buf = &bp->rx_buf_ring[prod];
2615
2616         pci_dma_sync_single_for_device(bp->pdev,
2617                 pci_unmap_addr(cons_rx_buf, mapping),
2618                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2619
2620         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2621
2622         prod_rx_buf->skb = skb;
2623
2624         if (cons == prod)
2625                 return;
2626
2627         pci_unmap_addr_set(prod_rx_buf, mapping,
2628                         pci_unmap_addr(cons_rx_buf, mapping));
2629
2630         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2631         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2632         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2633         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2634 }
2635
2636 static int
2637 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2638             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2639             u32 ring_idx)
2640 {
2641         int err;
2642         u16 prod = ring_idx & 0xffff;
2643
2644         err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2645         if (unlikely(err)) {
2646                 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2647                 if (hdr_len) {
2648                         unsigned int raw_len = len + 4;
2649                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2650
2651                         bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2652                 }
2653                 return err;
2654         }
2655
2656         skb_reserve(skb, bp->rx_offset);
2657         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2658                          PCI_DMA_FROMDEVICE);
2659
2660         if (hdr_len == 0) {
2661                 skb_put(skb, len);
2662                 return 0;
2663         } else {
2664                 unsigned int i, frag_len, frag_size, pages;
2665                 struct sw_pg *rx_pg;
2666                 u16 pg_cons = bnapi->rx_pg_cons;
2667                 u16 pg_prod = bnapi->rx_pg_prod;
2668
2669                 frag_size = len + 4 - hdr_len;
2670                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2671                 skb_put(skb, hdr_len);
2672
2673                 for (i = 0; i < pages; i++) {
2674                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2675                         if (unlikely(frag_len <= 4)) {
2676                                 unsigned int tail = 4 - frag_len;
2677
2678                                 bnapi->rx_pg_cons = pg_cons;
2679                                 bnapi->rx_pg_prod = pg_prod;
2680                                 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2681                                                         pages - i);
2682                                 skb->len -= tail;
2683                                 if (i == 0) {
2684                                         skb->tail -= tail;
2685                                 } else {
2686                                         skb_frag_t *frag =
2687                                                 &skb_shinfo(skb)->frags[i - 1];
2688                                         frag->size -= tail;
2689                                         skb->data_len -= tail;
2690                                         skb->truesize -= tail;
2691                                 }
2692                                 return 0;
2693                         }
2694                         rx_pg = &bp->rx_pg_ring[pg_cons];
2695
2696                         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2697                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2698
2699                         if (i == pages - 1)
2700                                 frag_len -= 4;
2701
2702                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2703                         rx_pg->page = NULL;
2704
2705                         err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2706                         if (unlikely(err)) {
2707                                 bnapi->rx_pg_cons = pg_cons;
2708                                 bnapi->rx_pg_prod = pg_prod;
2709                                 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2710                                                         pages - i);
2711                                 return err;
2712                         }
2713
2714                         frag_size -= frag_len;
2715                         skb->data_len += frag_len;
2716                         skb->truesize += frag_len;
2717                         skb->len += frag_len;
2718
2719                         pg_prod = NEXT_RX_BD(pg_prod);
2720                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2721                 }
2722                 bnapi->rx_pg_prod = pg_prod;
2723                 bnapi->rx_pg_cons = pg_cons;
2724         }
2725         return 0;
2726 }
2727
2728 static inline u16
2729 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2730 {
2731         u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2732
2733         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2734                 cons++;
2735         return cons;
2736 }
2737
2738 static int
2739 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2740 {
2741         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2742         struct l2_fhdr *rx_hdr;
2743         int rx_pkt = 0, pg_ring_used = 0;
2744
2745         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2746         sw_cons = bnapi->rx_cons;
2747         sw_prod = bnapi->rx_prod;
2748
2749         /* Memory barrier necessary as speculative reads of the rx
2750          * buffer can be ahead of the index in the status block
2751          */
2752         rmb();
2753         while (sw_cons != hw_cons) {
2754                 unsigned int len, hdr_len;
2755                 u32 status;
2756                 struct sw_bd *rx_buf;
2757                 struct sk_buff *skb;
2758                 dma_addr_t dma_addr;
2759
2760                 sw_ring_cons = RX_RING_IDX(sw_cons);
2761                 sw_ring_prod = RX_RING_IDX(sw_prod);
2762
2763                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2764                 skb = rx_buf->skb;
2765
2766                 rx_buf->skb = NULL;
2767
2768                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2769
2770                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2771                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2772
2773                 rx_hdr = (struct l2_fhdr *) skb->data;
2774                 len = rx_hdr->l2_fhdr_pkt_len;
2775
2776                 if ((status = rx_hdr->l2_fhdr_status) &
2777                         (L2_FHDR_ERRORS_BAD_CRC |
2778                         L2_FHDR_ERRORS_PHY_DECODE |
2779                         L2_FHDR_ERRORS_ALIGNMENT |
2780                         L2_FHDR_ERRORS_TOO_SHORT |
2781                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2782
2783                         bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2784                                           sw_ring_prod);
2785                         goto next_rx;
2786                 }
2787                 hdr_len = 0;
2788                 if (status & L2_FHDR_STATUS_SPLIT) {
2789                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2790                         pg_ring_used = 1;
2791                 } else if (len > bp->rx_jumbo_thresh) {
2792                         hdr_len = bp->rx_jumbo_thresh;
2793                         pg_ring_used = 1;
2794                 }
2795
2796                 len -= 4;
2797
2798                 if (len <= bp->rx_copy_thresh) {
2799                         struct sk_buff *new_skb;
2800
2801                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2802                         if (new_skb == NULL) {
2803                                 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2804                                                   sw_ring_prod);
2805                                 goto next_rx;
2806                         }
2807
2808                         /* aligned copy */
2809                         skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2810                                       new_skb->data, len + 2);
2811                         skb_reserve(new_skb, 2);
2812                         skb_put(new_skb, len);
2813
2814                         bnx2_reuse_rx_skb(bp, bnapi, skb,
2815                                 sw_ring_cons, sw_ring_prod);
2816
2817                         skb = new_skb;
2818                 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2819                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2820                         goto next_rx;
2821
2822                 skb->protocol = eth_type_trans(skb, bp->dev);
2823
2824                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2825                         (ntohs(skb->protocol) != 0x8100)) {
2826
2827                         dev_kfree_skb(skb);
2828                         goto next_rx;
2829
2830                 }
2831
2832                 skb->ip_summed = CHECKSUM_NONE;
2833                 if (bp->rx_csum &&
2834                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2835                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2836
2837                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2838                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2839                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2840                 }
2841
2842 #ifdef BCM_VLAN
2843                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2844                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2845                                 rx_hdr->l2_fhdr_vlan_tag);
2846                 }
2847                 else
2848 #endif
2849                         netif_receive_skb(skb);
2850
2851                 bp->dev->last_rx = jiffies;
2852                 rx_pkt++;
2853
2854 next_rx:
2855                 sw_cons = NEXT_RX_BD(sw_cons);
2856                 sw_prod = NEXT_RX_BD(sw_prod);
2857
2858                 if ((rx_pkt == budget))
2859                         break;
2860
2861                 /* Refresh hw_cons to see if there is new work */
2862                 if (sw_cons == hw_cons) {
2863                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2864                         rmb();
2865                 }
2866         }
2867         bnapi->rx_cons = sw_cons;
2868         bnapi->rx_prod = sw_prod;
2869
2870         if (pg_ring_used)
2871                 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2872                          bnapi->rx_pg_prod);
2873
2874         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2875
2876         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2877
2878         mmiowb();
2879
2880         return rx_pkt;
2881
2882 }
2883
2884 /* MSI ISR - The only difference between this and the INTx ISR
2885  * is that the MSI interrupt is always serviced.
2886  */
2887 static irqreturn_t
2888 bnx2_msi(int irq, void *dev_instance)
2889 {
2890         struct net_device *dev = dev_instance;
2891         struct bnx2 *bp = netdev_priv(dev);
2892         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2893
2894         prefetch(bnapi->status_blk);
2895         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2896                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2897                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2898
2899         /* Return here if interrupt is disabled. */
2900         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2901                 return IRQ_HANDLED;
2902
2903         netif_rx_schedule(dev, &bnapi->napi);
2904
2905         return IRQ_HANDLED;
2906 }
2907
2908 static irqreturn_t
2909 bnx2_msi_1shot(int irq, void *dev_instance)
2910 {
2911         struct net_device *dev = dev_instance;
2912         struct bnx2 *bp = netdev_priv(dev);
2913         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2914
2915         prefetch(bnapi->status_blk);
2916
2917         /* Return here if interrupt is disabled. */
2918         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2919                 return IRQ_HANDLED;
2920
2921         netif_rx_schedule(dev, &bnapi->napi);
2922
2923         return IRQ_HANDLED;
2924 }
2925
2926 static irqreturn_t
2927 bnx2_interrupt(int irq, void *dev_instance)
2928 {
2929         struct net_device *dev = dev_instance;
2930         struct bnx2 *bp = netdev_priv(dev);
2931         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2932         struct status_block *sblk = bnapi->status_blk;
2933
2934         /* When using INTx, it is possible for the interrupt to arrive
2935          * at the CPU before the status block posted prior to the
2936          * interrupt. Reading a register will flush the status block.
2937          * When using MSI, the MSI message will always complete after
2938          * the status block write.
2939          */
2940         if ((sblk->status_idx == bnapi->last_status_idx) &&
2941             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2942              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2943                 return IRQ_NONE;
2944
2945         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2946                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2947                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2948
2949         /* Read back to deassert IRQ immediately to avoid too many
2950          * spurious interrupts.
2951          */
2952         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2953
2954         /* Return here if interrupt is shared and is disabled. */
2955         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2956                 return IRQ_HANDLED;
2957
2958         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2959                 bnapi->last_status_idx = sblk->status_idx;
2960                 __netif_rx_schedule(dev, &bnapi->napi);
2961         }
2962
2963         return IRQ_HANDLED;
2964 }
2965
2966 static irqreturn_t
2967 bnx2_tx_msix(int irq, void *dev_instance)
2968 {
2969         struct net_device *dev = dev_instance;
2970         struct bnx2 *bp = netdev_priv(dev);
2971         struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2972
2973         prefetch(bnapi->status_blk_msix);
2974
2975         /* Return here if interrupt is disabled. */
2976         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2977                 return IRQ_HANDLED;
2978
2979         netif_rx_schedule(dev, &bnapi->napi);
2980         return IRQ_HANDLED;
2981 }
2982
2983 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
2984                                  STATUS_ATTN_BITS_TIMER_ABORT)
2985
2986 static inline int
2987 bnx2_has_work(struct bnx2_napi *bnapi)
2988 {
2989         struct status_block *sblk = bnapi->status_blk;
2990
2991         if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2992             (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2993                 return 1;
2994
2995         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2996             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
2997                 return 1;
2998
2999         return 0;
3000 }
3001
3002 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3003 {
3004         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3005         struct bnx2 *bp = bnapi->bp;
3006         int work_done = 0;
3007         struct status_block_msix *sblk = bnapi->status_blk_msix;
3008
3009         do {
3010                 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3011                 if (unlikely(work_done >= budget))
3012                         return work_done;
3013
3014                 bnapi->last_status_idx = sblk->status_idx;
3015                 rmb();
3016         } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3017
3018         netif_rx_complete(bp->dev, napi);
3019         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3020                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3021                bnapi->last_status_idx);
3022         return work_done;
3023 }
3024
3025 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3026                           int work_done, int budget)
3027 {
3028         struct status_block *sblk = bnapi->status_blk;
3029         u32 status_attn_bits = sblk->status_attn_bits;
3030         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3031
3032         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3033             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3034
3035                 bnx2_phy_int(bp, bnapi);
3036
3037                 /* This is needed to take care of transient status
3038                  * during link changes.
3039                  */
3040                 REG_WR(bp, BNX2_HC_COMMAND,
3041                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3042                 REG_RD(bp, BNX2_HC_COMMAND);
3043         }
3044
3045         if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3046                 bnx2_tx_int(bp, bnapi, 0);
3047
3048         if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3049                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3050
3051         return work_done;
3052 }
3053
3054 static int bnx2_poll(struct napi_struct *napi, int budget)
3055 {
3056         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3057         struct bnx2 *bp = bnapi->bp;
3058         int work_done = 0;
3059         struct status_block *sblk = bnapi->status_blk;
3060
3061         while (1) {
3062                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3063
3064                 if (unlikely(work_done >= budget))
3065                         break;
3066
3067                 /* bnapi->last_status_idx is used below to tell the hw how
3068                  * much work has been processed, so we must read it before
3069                  * checking for more work.
3070                  */
3071                 bnapi->last_status_idx = sblk->status_idx;
3072                 rmb();
3073                 if (likely(!bnx2_has_work(bnapi))) {
3074                         netif_rx_complete(bp->dev, napi);
3075                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3076                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3077                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3078                                        bnapi->last_status_idx);
3079                                 break;
3080                         }
3081                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3083                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3084                                bnapi->last_status_idx);
3085
3086                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3088                                bnapi->last_status_idx);
3089                         break;
3090                 }
3091         }
3092
3093         return work_done;
3094 }
3095
3096 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3097  * from set_multicast.
3098  */
3099 static void
3100 bnx2_set_rx_mode(struct net_device *dev)
3101 {
3102         struct bnx2 *bp = netdev_priv(dev);
3103         u32 rx_mode, sort_mode;
3104         int i;
3105
3106         spin_lock_bh(&bp->phy_lock);
3107
3108         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3109                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3110         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3111 #ifdef BCM_VLAN
3112         if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3113                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3114 #else
3115         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3116                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3117 #endif
3118         if (dev->flags & IFF_PROMISC) {
3119                 /* Promiscuous mode. */
3120                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3121                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3122                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3123         }
3124         else if (dev->flags & IFF_ALLMULTI) {
3125                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3126                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3127                                0xffffffff);
3128                 }
3129                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3130         }
3131         else {
3132                 /* Accept one or more multicast(s). */
3133                 struct dev_mc_list *mclist;
3134                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3135                 u32 regidx;
3136                 u32 bit;
3137                 u32 crc;
3138
3139                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3140
3141                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3142                      i++, mclist = mclist->next) {
3143
3144                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3145                         bit = crc & 0xff;
3146                         regidx = (bit & 0xe0) >> 5;
3147                         bit &= 0x1f;
3148                         mc_filter[regidx] |= (1 << bit);
3149                 }
3150
3151                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3152                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3153                                mc_filter[i]);
3154                 }
3155
3156                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3157         }
3158
3159         if (rx_mode != bp->rx_mode) {
3160                 bp->rx_mode = rx_mode;
3161                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3162         }
3163
3164         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3165         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3166         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3167
3168         spin_unlock_bh(&bp->phy_lock);
3169 }
3170
3171 static void
3172 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3173         u32 rv2p_proc)
3174 {
3175         int i;
3176         u32 val;
3177
3178
3179         for (i = 0; i < rv2p_code_len; i += 8) {
3180                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3181                 rv2p_code++;
3182                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3183                 rv2p_code++;
3184
3185                 if (rv2p_proc == RV2P_PROC1) {
3186                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3187                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3188                 }
3189                 else {
3190                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3191                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3192                 }
3193         }
3194
3195         /* Reset the processor, un-stall is done later. */
3196         if (rv2p_proc == RV2P_PROC1) {
3197                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3198         }
3199         else {
3200                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3201         }
3202 }
3203
3204 static int
3205 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3206 {
3207         u32 offset;
3208         u32 val;
3209         int rc;
3210
3211         /* Halt the CPU. */
3212         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3213         val |= cpu_reg->mode_value_halt;
3214         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3215         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3216
3217         /* Load the Text area. */
3218         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3219         if (fw->gz_text) {
3220                 int j;
3221
3222                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3223                                        fw->gz_text_len);
3224                 if (rc < 0)
3225                         return rc;
3226
3227                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3228                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3229                 }
3230         }
3231
3232         /* Load the Data area. */
3233         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3234         if (fw->data) {
3235                 int j;
3236
3237                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3238                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3239                 }
3240         }
3241
3242         /* Load the SBSS area. */
3243         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3244         if (fw->sbss_len) {
3245                 int j;
3246
3247                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3248                         bnx2_reg_wr_ind(bp, offset, 0);
3249                 }
3250         }
3251
3252         /* Load the BSS area. */
3253         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3254         if (fw->bss_len) {
3255                 int j;
3256
3257                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3258                         bnx2_reg_wr_ind(bp, offset, 0);
3259                 }
3260         }
3261
3262         /* Load the Read-Only area. */
3263         offset = cpu_reg->spad_base +
3264                 (fw->rodata_addr - cpu_reg->mips_view_base);
3265         if (fw->rodata) {
3266                 int j;
3267
3268                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3269                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3270                 }
3271         }
3272
3273         /* Clear the pre-fetch instruction. */
3274         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3275         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3276
3277         /* Start the CPU. */
3278         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3279         val &= ~cpu_reg->mode_value_halt;
3280         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3281         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3282
3283         return 0;
3284 }
3285
3286 static int
3287 bnx2_init_cpus(struct bnx2 *bp)
3288 {
3289         struct cpu_reg cpu_reg;
3290         struct fw_info *fw;
3291         int rc, rv2p_len;
3292         void *text, *rv2p;
3293
3294         /* Initialize the RV2P processor. */
3295         text = vmalloc(FW_BUF_SIZE);
3296         if (!text)
3297                 return -ENOMEM;
3298         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3299                 rv2p = bnx2_xi_rv2p_proc1;
3300                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3301         } else {
3302                 rv2p = bnx2_rv2p_proc1;
3303                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3304         }
3305         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3306         if (rc < 0)
3307                 goto init_cpu_err;
3308
3309         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3310
3311         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3312                 rv2p = bnx2_xi_rv2p_proc2;
3313                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3314         } else {
3315                 rv2p = bnx2_rv2p_proc2;
3316                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3317         }
3318         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3319         if (rc < 0)
3320                 goto init_cpu_err;
3321
3322         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3323
3324         /* Initialize the RX Processor. */
3325         cpu_reg.mode = BNX2_RXP_CPU_MODE;
3326         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3327         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3328         cpu_reg.state = BNX2_RXP_CPU_STATE;
3329         cpu_reg.state_value_clear = 0xffffff;
3330         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3331         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3332         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3333         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3334         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3335         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3336         cpu_reg.mips_view_base = 0x8000000;
3337
3338         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3339                 fw = &bnx2_rxp_fw_09;
3340         else
3341                 fw = &bnx2_rxp_fw_06;
3342
3343         fw->text = text;
3344         rc = load_cpu_fw(bp, &cpu_reg, fw);
3345         if (rc)
3346                 goto init_cpu_err;
3347
3348         /* Initialize the TX Processor. */
3349         cpu_reg.mode = BNX2_TXP_CPU_MODE;
3350         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3351         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3352         cpu_reg.state = BNX2_TXP_CPU_STATE;
3353         cpu_reg.state_value_clear = 0xffffff;
3354         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3355         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3356         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3357         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3358         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3359         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3360         cpu_reg.mips_view_base = 0x8000000;
3361
3362         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3363                 fw = &bnx2_txp_fw_09;
3364         else
3365                 fw = &bnx2_txp_fw_06;
3366
3367         fw->text = text;
3368         rc = load_cpu_fw(bp, &cpu_reg, fw);
3369         if (rc)
3370                 goto init_cpu_err;
3371
3372         /* Initialize the TX Patch-up Processor. */
3373         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3374         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3375         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3376         cpu_reg.state = BNX2_TPAT_CPU_STATE;
3377         cpu_reg.state_value_clear = 0xffffff;
3378         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3379         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3380         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3381         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3382         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3383         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3384         cpu_reg.mips_view_base = 0x8000000;
3385
3386         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3387                 fw = &bnx2_tpat_fw_09;
3388         else
3389                 fw = &bnx2_tpat_fw_06;
3390
3391         fw->text = text;
3392         rc = load_cpu_fw(bp, &cpu_reg, fw);
3393         if (rc)
3394                 goto init_cpu_err;
3395
3396         /* Initialize the Completion Processor. */
3397         cpu_reg.mode = BNX2_COM_CPU_MODE;
3398         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3399         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3400         cpu_reg.state = BNX2_COM_CPU_STATE;
3401         cpu_reg.state_value_clear = 0xffffff;
3402         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3403         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3404         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3405         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3406         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3407         cpu_reg.spad_base = BNX2_COM_SCRATCH;
3408         cpu_reg.mips_view_base = 0x8000000;
3409
3410         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3411                 fw = &bnx2_com_fw_09;
3412         else
3413                 fw = &bnx2_com_fw_06;
3414
3415         fw->text = text;
3416         rc = load_cpu_fw(bp, &cpu_reg, fw);
3417         if (rc)
3418                 goto init_cpu_err;
3419
3420         /* Initialize the Command Processor. */
3421         cpu_reg.mode = BNX2_CP_CPU_MODE;
3422         cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3423         cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3424         cpu_reg.state = BNX2_CP_CPU_STATE;
3425         cpu_reg.state_value_clear = 0xffffff;
3426         cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3427         cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3428         cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3429         cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3430         cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3431         cpu_reg.spad_base = BNX2_CP_SCRATCH;
3432         cpu_reg.mips_view_base = 0x8000000;
3433
3434         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3435                 fw = &bnx2_cp_fw_09;
3436         else
3437                 fw = &bnx2_cp_fw_06;
3438
3439         fw->text = text;
3440         rc = load_cpu_fw(bp, &cpu_reg, fw);
3441
3442 init_cpu_err:
3443         vfree(text);
3444         return rc;
3445 }
3446
3447 static int
3448 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3449 {
3450         u16 pmcsr;
3451
3452         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3453
3454         switch (state) {
3455         case PCI_D0: {
3456                 u32 val;
3457
3458                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3459                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3460                         PCI_PM_CTRL_PME_STATUS);
3461
3462                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3463                         /* delay required during transition out of D3hot */
3464                         msleep(20);
3465
3466                 val = REG_RD(bp, BNX2_EMAC_MODE);
3467                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3468                 val &= ~BNX2_EMAC_MODE_MPKT;
3469                 REG_WR(bp, BNX2_EMAC_MODE, val);
3470
3471                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3472                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3473                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3474                 break;
3475         }
3476         case PCI_D3hot: {
3477                 int i;
3478                 u32 val, wol_msg;
3479
3480                 if (bp->wol) {
3481                         u32 advertising;
3482                         u8 autoneg;
3483
3484                         autoneg = bp->autoneg;
3485                         advertising = bp->advertising;
3486
3487                         if (bp->phy_port == PORT_TP) {
3488                                 bp->autoneg = AUTONEG_SPEED;
3489                                 bp->advertising = ADVERTISED_10baseT_Half |
3490                                         ADVERTISED_10baseT_Full |
3491                                         ADVERTISED_100baseT_Half |
3492                                         ADVERTISED_100baseT_Full |
3493                                         ADVERTISED_Autoneg;
3494                         }
3495
3496                         spin_lock_bh(&bp->phy_lock);
3497                         bnx2_setup_phy(bp, bp->phy_port);
3498                         spin_unlock_bh(&bp->phy_lock);
3499
3500                         bp->autoneg = autoneg;
3501                         bp->advertising = advertising;
3502
3503                         bnx2_set_mac_addr(bp);
3504
3505                         val = REG_RD(bp, BNX2_EMAC_MODE);
3506
3507                         /* Enable port mode. */
3508                         val &= ~BNX2_EMAC_MODE_PORT;
3509                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3510                                BNX2_EMAC_MODE_ACPI_RCVD |
3511                                BNX2_EMAC_MODE_MPKT;
3512                         if (bp->phy_port == PORT_TP)
3513                                 val |= BNX2_EMAC_MODE_PORT_MII;
3514                         else {
3515                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3516                                 if (bp->line_speed == SPEED_2500)
3517                                         val |= BNX2_EMAC_MODE_25G_MODE;
3518                         }
3519
3520                         REG_WR(bp, BNX2_EMAC_MODE, val);
3521
3522                         /* receive all multicast */
3523                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3524                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3525                                        0xffffffff);
3526                         }
3527                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3528                                BNX2_EMAC_RX_MODE_SORT_MODE);
3529
3530                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3531                               BNX2_RPM_SORT_USER0_MC_EN;
3532                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3533                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3534                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3535                                BNX2_RPM_SORT_USER0_ENA);
3536
3537                         /* Need to enable EMAC and RPM for WOL. */
3538                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3539                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3540                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3541                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3542
3543                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3544                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3545                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3546
3547                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3548                 }
3549                 else {
3550                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3551                 }
3552
3553                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3554                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3555
3556                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3557                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3558                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3559
3560                         if (bp->wol)
3561                                 pmcsr |= 3;
3562                 }
3563                 else {
3564                         pmcsr |= 3;
3565                 }
3566                 if (bp->wol) {
3567                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3568                 }
3569                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3570                                       pmcsr);
3571
3572                 /* No more memory access after this point until
3573                  * device is brought back to D0.
3574                  */
3575                 udelay(50);
3576                 break;
3577         }
3578         default:
3579                 return -EINVAL;
3580         }
3581         return 0;
3582 }
3583
3584 static int
3585 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3586 {
3587         u32 val;
3588         int j;
3589
3590         /* Request access to the flash interface. */
3591         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3592         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3593                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3594                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3595                         break;
3596
3597                 udelay(5);
3598         }
3599
3600         if (j >= NVRAM_TIMEOUT_COUNT)
3601                 return -EBUSY;
3602
3603         return 0;
3604 }
3605
3606 static int
3607 bnx2_release_nvram_lock(struct bnx2 *bp)
3608 {
3609         int j;
3610         u32 val;
3611
3612         /* Relinquish nvram interface. */
3613         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3614
3615         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3616                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3617                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3618                         break;
3619
3620                 udelay(5);
3621         }
3622
3623         if (j >= NVRAM_TIMEOUT_COUNT)
3624                 return -EBUSY;
3625
3626         return 0;
3627 }
3628
3629
3630 static int
3631 bnx2_enable_nvram_write(struct bnx2 *bp)
3632 {
3633         u32 val;
3634
3635         val = REG_RD(bp, BNX2_MISC_CFG);
3636         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3637
3638         if (bp->flash_info->flags & BNX2_NV_WREN) {
3639                 int j;
3640
3641                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3642                 REG_WR(bp, BNX2_NVM_COMMAND,
3643                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3644
3645                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3646                         udelay(5);
3647
3648                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3649                         if (val & BNX2_NVM_COMMAND_DONE)
3650                                 break;
3651                 }
3652
3653                 if (j >= NVRAM_TIMEOUT_COUNT)
3654                         return -EBUSY;
3655         }
3656         return 0;
3657 }
3658
3659 static void
3660 bnx2_disable_nvram_write(struct bnx2 *bp)
3661 {
3662         u32 val;
3663
3664         val = REG_RD(bp, BNX2_MISC_CFG);
3665         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3666 }
3667
3668
3669 static void
3670 bnx2_enable_nvram_access(struct bnx2 *bp)
3671 {
3672         u32 val;
3673
3674         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3675         /* Enable both bits, even on read. */
3676         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3677                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3678 }
3679
3680 static void
3681 bnx2_disable_nvram_access(struct bnx2 *bp)
3682 {
3683         u32 val;
3684
3685         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3686         /* Disable both bits, even after read. */
3687         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3688                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3689                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3690 }
3691
3692 static int
3693 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3694 {
3695         u32 cmd;
3696         int j;
3697
3698         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3699                 /* Buffered flash, no erase needed */
3700                 return 0;
3701
3702         /* Build an erase command */
3703         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3704               BNX2_NVM_COMMAND_DOIT;
3705
3706         /* Need to clear DONE bit separately. */
3707         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3708
3709         /* Address of the NVRAM to read from. */
3710         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3711
3712         /* Issue an erase command. */
3713         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3714
3715         /* Wait for completion. */
3716         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3717                 u32 val;
3718
3719                 udelay(5);
3720
3721                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3722                 if (val & BNX2_NVM_COMMAND_DONE)
3723                         break;
3724         }
3725
3726         if (j >= NVRAM_TIMEOUT_COUNT)
3727                 return -EBUSY;
3728
3729         return 0;
3730 }
3731
3732 static int
3733 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3734 {
3735         u32 cmd;
3736         int j;
3737
3738         /* Build the command word. */
3739         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3740
3741         /* Calculate an offset of a buffered flash, not needed for 5709. */
3742         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3743                 offset = ((offset / bp->flash_info->page_size) <<
3744                            bp->flash_info->page_bits) +
3745                           (offset % bp->flash_info->page_size);
3746         }
3747
3748         /* Need to clear DONE bit separately. */
3749         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3750
3751         /* Address of the NVRAM to read from. */
3752         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3753
3754         /* Issue a read command. */
3755         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3756
3757         /* Wait for completion. */
3758         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3759                 u32 val;
3760
3761                 udelay(5);
3762
3763                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3764                 if (val & BNX2_NVM_COMMAND_DONE) {
3765                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3766                         memcpy(ret_val, &v, 4);
3767                         break;
3768                 }
3769         }
3770         if (j >= NVRAM_TIMEOUT_COUNT)
3771                 return -EBUSY;
3772
3773         return 0;
3774 }
3775
3776
3777 static int
3778 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3779 {
3780         u32 cmd;
3781         __be32 val32;
3782         int j;
3783
3784         /* Build the command word. */
3785         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3786
3787         /* Calculate an offset of a buffered flash, not needed for 5709. */
3788         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3789                 offset = ((offset / bp->flash_info->page_size) <<
3790                           bp->flash_info->page_bits) +
3791                          (offset % bp->flash_info->page_size);
3792         }
3793
3794         /* Need to clear DONE bit separately. */
3795         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3796
3797         memcpy(&val32, val, 4);
3798
3799         /* Write the data. */
3800         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3801
3802         /* Address of the NVRAM to write to. */
3803         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3804
3805         /* Issue the write command. */
3806         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3807
3808         /* Wait for completion. */
3809         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3810                 udelay(5);
3811
3812                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3813                         break;
3814         }
3815         if (j >= NVRAM_TIMEOUT_COUNT)
3816                 return -EBUSY;
3817
3818         return 0;
3819 }
3820
3821 static int
3822 bnx2_init_nvram(struct bnx2 *bp)
3823 {
3824         u32 val;
3825         int j, entry_count, rc = 0;
3826         struct flash_spec *flash;
3827
3828         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3829                 bp->flash_info = &flash_5709;
3830                 goto get_flash_size;
3831         }
3832
3833         /* Determine the selected interface. */
3834         val = REG_RD(bp, BNX2_NVM_CFG1);
3835
3836         entry_count = ARRAY_SIZE(flash_table);
3837
3838         if (val & 0x40000000) {
3839
3840                 /* Flash interface has been reconfigured */
3841                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3842                      j++, flash++) {
3843                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3844                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3845                                 bp->flash_info = flash;
3846                                 break;
3847                         }
3848                 }
3849         }
3850         else {
3851                 u32 mask;
3852                 /* Not yet been reconfigured */
3853
3854                 if (val & (1 << 23))
3855                         mask = FLASH_BACKUP_STRAP_MASK;
3856                 else
3857                         mask = FLASH_STRAP_MASK;
3858
3859                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3860                         j++, flash++) {
3861
3862                         if ((val & mask) == (flash->strapping & mask)) {
3863                                 bp->flash_info = flash;
3864
3865                                 /* Request access to the flash interface. */
3866                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3867                                         return rc;
3868
3869                                 /* Enable access to flash interface */
3870                                 bnx2_enable_nvram_access(bp);
3871
3872                                 /* Reconfigure the flash interface */
3873                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3874                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3875                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3876                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3877
3878                                 /* Disable access to flash interface */
3879                                 bnx2_disable_nvram_access(bp);
3880                                 bnx2_release_nvram_lock(bp);
3881
3882                                 break;
3883                         }
3884                 }
3885         } /* if (val & 0x40000000) */
3886
3887         if (j == entry_count) {
3888                 bp->flash_info = NULL;
3889                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3890                 return -ENODEV;
3891         }
3892
3893 get_flash_size:
3894         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3895         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3896         if (val)
3897                 bp->flash_size = val;
3898         else
3899                 bp->flash_size = bp->flash_info->total_size;
3900
3901         return rc;
3902 }
3903
3904 static int
3905 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3906                 int buf_size)
3907 {
3908         int rc = 0;
3909         u32 cmd_flags, offset32, len32, extra;
3910
3911         if (buf_size == 0)
3912                 return 0;
3913
3914         /* Request access to the flash interface. */
3915         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3916                 return rc;
3917
3918         /* Enable access to flash interface */
3919         bnx2_enable_nvram_access(bp);
3920
3921         len32 = buf_size;
3922         offset32 = offset;
3923         extra = 0;
3924
3925         cmd_flags = 0;
3926
3927         if (offset32 & 3) {
3928                 u8 buf[4];
3929                 u32 pre_len;
3930
3931                 offset32 &= ~3;
3932                 pre_len = 4 - (offset & 3);
3933
3934                 if (pre_len >= len32) {
3935                         pre_len = len32;
3936                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3937                                     BNX2_NVM_COMMAND_LAST;
3938                 }
3939                 else {
3940                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3941                 }
3942
3943                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3944
3945                 if (rc)
3946                         return rc;
3947
3948                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3949
3950                 offset32 += 4;
3951                 ret_buf += pre_len;
3952                 len32 -= pre_len;
3953         }
3954         if (len32 & 3) {
3955                 extra = 4 - (len32 & 3);
3956                 len32 = (len32 + 4) & ~3;
3957         }
3958
3959         if (len32 == 4) {
3960                 u8 buf[4];
3961
3962                 if (cmd_flags)
3963                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3964                 else
3965                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3966                                     BNX2_NVM_COMMAND_LAST;
3967
3968                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3969
3970                 memcpy(ret_buf, buf, 4 - extra);
3971         }
3972         else if (len32 > 0) {
3973                 u8 buf[4];
3974
3975                 /* Read the first word. */
3976                 if (cmd_flags)
3977                         cmd_flags = 0;
3978                 else
3979                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3980
3981                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3982
3983                 /* Advance to the next dword. */
3984                 offset32 += 4;
3985                 ret_buf += 4;
3986                 len32 -= 4;
3987
3988                 while (len32 > 4 && rc == 0) {
3989                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3990
3991                         /* Advance to the next dword. */
3992                         offset32 += 4;
3993                         ret_buf += 4;
3994                         len32 -= 4;
3995                 }
3996
3997                 if (rc)
3998                         return rc;
3999
4000                 cmd_flags = BNX2_NVM_COMMAND_LAST;
4001                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4002
4003                 memcpy(ret_buf, buf, 4 - extra);
4004         }
4005
4006         /* Disable access to flash interface */
4007         bnx2_disable_nvram_access(bp);
4008
4009         bnx2_release_nvram_lock(bp);
4010
4011         return rc;
4012 }
4013
4014 static int
4015 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4016                 int buf_size)
4017 {
4018         u32 written, offset32, len32;
4019         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4020         int rc = 0;
4021         int align_start, align_end;
4022
4023         buf = data_buf;
4024         offset32 = offset;
4025         len32 = buf_size;
4026         align_start = align_end = 0;
4027
4028         if ((align_start = (offset32 & 3))) {
4029                 offset32 &= ~3;
4030                 len32 += align_start;
4031                 if (len32 < 4)
4032                         len32 = 4;
4033                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4034                         return rc;
4035         }
4036
4037         if (len32 & 3) {
4038                 align_end = 4 - (len32 & 3);
4039                 len32 += align_end;
4040                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4041                         return rc;
4042         }
4043
4044         if (align_start || align_end) {
4045                 align_buf = kmalloc(len32, GFP_KERNEL);
4046                 if (align_buf == NULL)
4047                         return -ENOMEM;
4048                 if (align_start) {
4049                         memcpy(align_buf, start, 4);
4050                 }
4051                 if (align_end) {
4052                         memcpy(align_buf + len32 - 4, end, 4);
4053                 }
4054                 memcpy(align_buf + align_start, data_buf, buf_size);
4055                 buf = align_buf;
4056         }
4057
4058         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4059                 flash_buffer = kmalloc(264, GFP_KERNEL);
4060                 if (flash_buffer == NULL) {
4061                         rc = -ENOMEM;
4062                         goto nvram_write_end;
4063                 }
4064         }
4065
4066         written = 0;
4067         while ((written < len32) && (rc == 0)) {
4068                 u32 page_start, page_end, data_start, data_end;
4069                 u32 addr, cmd_flags;
4070                 int i;
4071
4072                 /* Find the page_start addr */
4073                 page_start = offset32 + written;
4074                 page_start -= (page_start % bp->flash_info->page_size);
4075                 /* Find the page_end addr */
4076                 page_end = page_start + bp->flash_info->page_size;
4077                 /* Find the data_start addr */
4078                 data_start = (written == 0) ? offset32 : page_start;
4079                 /* Find the data_end addr */
4080                 data_end = (page_end > offset32 + len32) ?
4081                         (offset32 + len32) : page_end;
4082
4083                 /* Request access to the flash interface. */
4084                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4085                         goto nvram_write_end;
4086
4087                 /* Enable access to flash interface */
4088                 bnx2_enable_nvram_access(bp);
4089
4090                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4091                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4092                         int j;
4093
4094                         /* Read the whole page into the buffer
4095                          * (non-buffer flash only) */
4096                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4097                                 if (j == (bp->flash_info->page_size - 4)) {
4098                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4099                                 }
4100                                 rc = bnx2_nvram_read_dword(bp,
4101                                         page_start + j,
4102                                         &flash_buffer[j],
4103                                         cmd_flags);
4104
4105                                 if (rc)
4106                                         goto nvram_write_end;
4107
4108                                 cmd_flags = 0;
4109                         }
4110                 }
4111
4112                 /* Enable writes to flash interface (unlock write-protect) */
4113                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4114                         goto nvram_write_end;
4115
4116                 /* Loop to write back the buffer data from page_start to
4117                  * data_start */
4118                 i = 0;
4119                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4120                         /* Erase the page */
4121                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4122                                 goto nvram_write_end;
4123
4124                         /* Re-enable the write again for the actual write */
4125                         bnx2_enable_nvram_write(bp);
4126
4127                         for (addr = page_start; addr < data_start;
4128                                 addr += 4, i += 4) {
4129
4130                                 rc = bnx2_nvram_write_dword(bp, addr,
4131                                         &flash_buffer[i], cmd_flags);
4132
4133                                 if (rc != 0)
4134                                         goto nvram_write_end;
4135
4136                                 cmd_flags = 0;
4137                         }
4138                 }
4139
4140                 /* Loop to write the new data from data_start to data_end */
4141                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4142                         if ((addr == page_end - 4) ||
4143                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4144                                  (addr == data_end - 4))) {
4145
4146                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4147                         }
4148                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4149                                 cmd_flags);
4150
4151                         if (rc != 0)
4152                                 goto nvram_write_end;
4153
4154                         cmd_flags = 0;
4155                         buf += 4;
4156                 }
4157
4158                 /* Loop to write back the buffer data from data_end
4159                  * to page_end */
4160                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4161                         for (addr = data_end; addr < page_end;
4162                                 addr += 4, i += 4) {
4163
4164                                 if (addr == page_end-4) {
4165                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4166                                 }
4167                                 rc = bnx2_nvram_write_dword(bp, addr,
4168                                         &flash_buffer[i], cmd_flags);
4169
4170                                 if (rc != 0)
4171                                         goto nvram_write_end;
4172
4173                                 cmd_flags = 0;
4174                         }
4175                 }
4176
4177                 /* Disable writes to flash interface (lock write-protect) */
4178                 bnx2_disable_nvram_write(bp);
4179
4180                 /* Disable access to flash interface */
4181                 bnx2_disable_nvram_access(bp);
4182                 bnx2_release_nvram_lock(bp);
4183
4184                 /* Increment written */
4185                 written += data_end - data_start;
4186         }
4187
4188 nvram_write_end:
4189         kfree(flash_buffer);
4190         kfree(align_buf);
4191         return rc;
4192 }
4193
4194 static void
4195 bnx2_init_remote_phy(struct bnx2 *bp)
4196 {
4197         u32 val;
4198
4199         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4200         if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4201                 return;
4202
4203         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4204         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4205                 return;
4206
4207         if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4208                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4209
4210                 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4211                 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4212                         bp->phy_port = PORT_FIBRE;
4213                 else
4214                         bp->phy_port = PORT_TP;
4215
4216                 if (netif_running(bp->dev)) {
4217                         u32 sig;
4218
4219                         sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4220                               BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4221                         bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4222                 }
4223         }
4224 }
4225
4226 static void
4227 bnx2_setup_msix_tbl(struct bnx2 *bp)
4228 {
4229         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4230
4231         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4232         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4233 }
4234
4235 static int
4236 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4237 {
4238         u32 val;
4239         int i, rc = 0;
4240         u8 old_port;
4241
4242         /* Wait for the current PCI transaction to complete before
4243          * issuing a reset. */
4244         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4245                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4246                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4247                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4248                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4249         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4250         udelay(5);
4251
4252         /* Wait for the firmware to tell us it is ok to issue a reset. */
4253         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4254
4255         /* Deposit a driver reset signature so the firmware knows that
4256          * this is a soft reset. */
4257         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4258                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4259
4260         /* Do a dummy read to force the chip to complete all current transaction
4261          * before we issue a reset. */
4262         val = REG_RD(bp, BNX2_MISC_ID);
4263
4264         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4265                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4266                 REG_RD(bp, BNX2_MISC_COMMAND);
4267                 udelay(5);
4268
4269                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4270                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4271
4272                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4273
4274         } else {
4275                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4276                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4277                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4278
4279                 /* Chip reset. */
4280                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4281
4282                 /* Reading back any register after chip reset will hang the
4283                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4284                  * of margin for write posting.
4285                  */
4286                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4287                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4288                         msleep(20);
4289
4290                 /* Reset takes approximate 30 usec */
4291                 for (i = 0; i < 10; i++) {
4292                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4293                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4294                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4295                                 break;
4296                         udelay(10);
4297                 }
4298
4299                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4300                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4301                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4302                         return -EBUSY;
4303                 }
4304         }
4305
4306         /* Make sure byte swapping is properly configured. */
4307         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4308         if (val != 0x01020304) {
4309                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4310                 return -ENODEV;
4311         }
4312
4313         /* Wait for the firmware to finish its initialization. */
4314         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4315         if (rc)
4316                 return rc;
4317
4318         spin_lock_bh(&bp->phy_lock);
4319         old_port = bp->phy_port;
4320         bnx2_init_remote_phy(bp);
4321         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4322             old_port != bp->phy_port)
4323                 bnx2_set_default_remote_link(bp);
4324         spin_unlock_bh(&bp->phy_lock);
4325
4326         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4327                 /* Adjust the voltage regular to two steps lower.  The default
4328                  * of this register is 0x0000000e. */
4329                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4330
4331                 /* Remove bad rbuf memory from the free pool. */
4332                 rc = bnx2_alloc_bad_rbuf(bp);
4333         }
4334
4335         if (bp->flags & BNX2_FLAG_USING_MSIX)
4336                 bnx2_setup_msix_tbl(bp);
4337
4338         return rc;
4339 }
4340
4341 static int
4342 bnx2_init_chip(struct bnx2 *bp)
4343 {
4344         u32 val;
4345         int rc, i;
4346
4347         /* Make sure the interrupt is not active. */
4348         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4349
4350         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4351               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4352 #ifdef __BIG_ENDIAN
4353               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4354 #endif
4355               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4356               DMA_READ_CHANS << 12 |
4357               DMA_WRITE_CHANS << 16;
4358
4359         val |= (0x2 << 20) | (1 << 11);
4360
4361         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4362                 val |= (1 << 23);
4363
4364         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4365             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4366                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4367
4368         REG_WR(bp, BNX2_DMA_CONFIG, val);
4369
4370         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4371                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4372                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4373                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4374         }
4375
4376         if (bp->flags & BNX2_FLAG_PCIX) {
4377                 u16 val16;
4378
4379                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4380                                      &val16);
4381                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4382                                       val16 & ~PCI_X_CMD_ERO);
4383         }
4384
4385         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4386                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4387                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4388                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4389
4390         /* Initialize context mapping and zero out the quick contexts.  The
4391          * context block must have already been enabled. */
4392         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4393                 rc = bnx2_init_5709_context(bp);
4394                 if (rc)
4395                         return rc;
4396         } else
4397                 bnx2_init_context(bp);
4398
4399         if ((rc = bnx2_init_cpus(bp)) != 0)
4400                 return rc;
4401
4402         bnx2_init_nvram(bp);
4403
4404         bnx2_set_mac_addr(bp);
4405
4406         val = REG_RD(bp, BNX2_MQ_CONFIG);
4407         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4408         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4409         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4410                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4411
4412         REG_WR(bp, BNX2_MQ_CONFIG, val);
4413
4414         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4415         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4416         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4417
4418         val = (BCM_PAGE_BITS - 8) << 24;
4419         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4420
4421         /* Configure page size. */
4422         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4423         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4424         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4425         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4426
4427         val = bp->mac_addr[0] +
4428               (bp->mac_addr[1] << 8) +
4429               (bp->mac_addr[2] << 16) +
4430               bp->mac_addr[3] +
4431               (bp->mac_addr[4] << 8) +
4432               (bp->mac_addr[5] << 16);
4433         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4434
4435         /* Program the MTU.  Also include 4 bytes for CRC32. */
4436         val = bp->dev->mtu + ETH_HLEN + 4;
4437         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4438                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4439         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4440
4441         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4442                 bp->bnx2_napi[i].last_status_idx = 0;
4443
4444         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4445
4446         /* Set up how to generate a link change interrupt. */
4447         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4448
4449         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4450                (u64) bp->status_blk_mapping & 0xffffffff);
4451         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4452
4453         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4454                (u64) bp->stats_blk_mapping & 0xffffffff);
4455         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4456                (u64) bp->stats_blk_mapping >> 32);
4457
4458         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4459                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4460
4461         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4462                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4463
4464         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4465                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4466
4467         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4468
4469         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4470
4471         REG_WR(bp, BNX2_HC_COM_TICKS,
4472                (bp->com_ticks_int << 16) | bp->com_ticks);
4473
4474         REG_WR(bp, BNX2_HC_CMD_TICKS,
4475                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4476
4477         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4478                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4479         else
4480                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4481         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4482
4483         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4484                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4485         else {
4486                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4487                       BNX2_HC_CONFIG_COLLECT_STATS;
4488         }
4489
4490         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4491                 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4492                            BNX2_HC_SB_CONFIG_1;
4493
4494                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4495                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4496
4497                 REG_WR(bp, base,
4498                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4499                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4500
4501                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4502                         (bp->tx_quick_cons_trip_int << 16) |
4503                          bp->tx_quick_cons_trip);
4504
4505                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4506                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4507
4508                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4509         }
4510
4511         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4512                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4513
4514         REG_WR(bp, BNX2_HC_CONFIG, val);
4515
4516         /* Clear internal stats counters. */
4517         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4518
4519         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4520
4521         /* Initialize the receive filter. */
4522         bnx2_set_rx_mode(bp->dev);
4523
4524         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4525                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4526                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4527                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4528         }
4529         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4530                           0);
4531
4532         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4533         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4534
4535         udelay(20);
4536
4537         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4538
4539         return rc;
4540 }
4541
4542 static void
4543 bnx2_clear_ring_states(struct bnx2 *bp)
4544 {
4545         struct bnx2_napi *bnapi;
4546         int i;
4547
4548         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4549                 bnapi = &bp->bnx2_napi[i];
4550
4551                 bnapi->tx_cons = 0;
4552                 bnapi->hw_tx_cons = 0;
4553                 bnapi->rx_prod_bseq = 0;
4554                 bnapi->rx_prod = 0;
4555                 bnapi->rx_cons = 0;
4556                 bnapi->rx_pg_prod = 0;
4557                 bnapi->rx_pg_cons = 0;
4558         }
4559 }
4560
4561 static void
4562 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4563 {
4564         u32 val, offset0, offset1, offset2, offset3;
4565         u32 cid_addr = GET_CID_ADDR(cid);
4566
4567         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4568                 offset0 = BNX2_L2CTX_TYPE_XI;
4569                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4570                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4571                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4572         } else {
4573                 offset0 = BNX2_L2CTX_TYPE;
4574                 offset1 = BNX2_L2CTX_CMD_TYPE;
4575                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4576                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4577         }
4578         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4579         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4580
4581         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4582         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4583
4584         val = (u64) bp->tx_desc_mapping >> 32;
4585         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4586
4587         val = (u64) bp->tx_desc_mapping & 0xffffffff;
4588         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4589 }
4590
4591 static void
4592 bnx2_init_tx_ring(struct bnx2 *bp)
4593 {
4594         struct tx_bd *txbd;
4595         u32 cid = TX_CID;
4596         struct bnx2_napi *bnapi;
4597
4598         bp->tx_vec = 0;
4599         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4600                 cid = TX_TSS_CID;
4601                 bp->tx_vec = BNX2_TX_VEC;
4602                 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4603                        (TX_TSS_CID << 7));
4604         }
4605         bnapi = &bp->bnx2_napi[bp->tx_vec];
4606
4607         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4608
4609         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4610
4611         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4612         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4613
4614         bp->tx_prod = 0;
4615         bp->tx_prod_bseq = 0;
4616
4617         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4618         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4619
4620         bnx2_init_tx_context(bp, cid);
4621 }
4622
4623 static void
4624 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4625                      int num_rings)
4626 {
4627         int i;
4628         struct rx_bd *rxbd;
4629
4630         for (i = 0; i < num_rings; i++) {
4631                 int j;
4632
4633                 rxbd = &rx_ring[i][0];
4634                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4635                         rxbd->rx_bd_len = buf_size;
4636                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4637                 }
4638                 if (i == (num_rings - 1))
4639                         j = 0;
4640                 else
4641                         j = i + 1;
4642                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4643                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4644         }
4645 }
4646
4647 static void
4648 bnx2_init_rx_ring(struct bnx2 *bp)
4649 {
4650         int i;
4651         u16 prod, ring_prod;
4652         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4653         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4654
4655         bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4656                              bp->rx_buf_use_size, bp->rx_max_ring);
4657
4658         bnx2_init_rx_context0(bp);
4659
4660         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4661                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4662                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4663         }
4664
4665         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4666         if (bp->rx_pg_ring_size) {
4667                 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4668                                      bp->rx_pg_desc_mapping,
4669                                      PAGE_SIZE, bp->rx_max_pg_ring);
4670                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4671                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4672                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4673                        BNX2_L2CTX_RBDC_JUMBO_KEY);
4674
4675                 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4676                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4677
4678                 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4679                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4680
4681                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4682                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4683         }
4684
4685         val = (u64) bp->rx_desc_mapping[0] >> 32;
4686         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4687
4688         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4689         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4690
4691         ring_prod = prod = bnapi->rx_pg_prod;
4692         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4693                 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4694                         break;
4695                 prod = NEXT_RX_BD(prod);
4696                 ring_prod = RX_PG_RING_IDX(prod);
4697         }
4698         bnapi->rx_pg_prod = prod;
4699
4700         ring_prod = prod = bnapi->rx_prod;
4701         for (i = 0; i < bp->rx_ring_size; i++) {
4702                 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4703                         break;
4704                 }
4705                 prod = NEXT_RX_BD(prod);
4706                 ring_prod = RX_RING_IDX(prod);
4707         }
4708         bnapi->rx_prod = prod;
4709
4710         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4711                  bnapi->rx_pg_prod);
4712         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4713
4714         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4715 }
4716
4717 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4718 {
4719         u32 max, num_rings = 1;
4720
4721         while (ring_size > MAX_RX_DESC_CNT) {
4722                 ring_size -= MAX_RX_DESC_CNT;
4723                 num_rings++;
4724         }
4725         /* round to next power of 2 */
4726         max = max_size;
4727         while ((max & num_rings) == 0)
4728                 max >>= 1;
4729
4730         if (num_rings != max)
4731                 max <<= 1;
4732
4733         return max;
4734 }
4735
4736 static void
4737 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4738 {
4739         u32 rx_size, rx_space, jumbo_size;
4740
4741         /* 8 for CRC and VLAN */
4742         rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4743
4744         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4745                 sizeof(struct skb_shared_info);
4746
4747         bp->rx_copy_thresh = RX_COPY_THRESH;
4748         bp->rx_pg_ring_size = 0;
4749         bp->rx_max_pg_ring = 0;
4750         bp->rx_max_pg_ring_idx = 0;
4751         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4752                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4753
4754                 jumbo_size = size * pages;
4755                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4756                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4757
4758                 bp->rx_pg_ring_size = jumbo_size;
4759                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4760                                                         MAX_RX_PG_RINGS);
4761                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4762                 rx_size = RX_COPY_THRESH + bp->rx_offset;
4763                 bp->rx_copy_thresh = 0;
4764         }
4765
4766         bp->rx_buf_use_size = rx_size;
4767         /* hw alignment */
4768         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4769         bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4770         bp->rx_ring_size = size;
4771         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4772         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4773 }
4774
4775 static void
4776 bnx2_free_tx_skbs(struct bnx2 *bp)
4777 {
4778         int i;
4779
4780         if (bp->tx_buf_ring == NULL)
4781                 return;
4782
4783         for (i = 0; i < TX_DESC_CNT; ) {
4784                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4785                 struct sk_buff *skb = tx_buf->skb;
4786                 int j, last;
4787
4788                 if (skb == NULL) {
4789                         i++;
4790                         continue;
4791                 }
4792
4793                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4794                         skb_headlen(skb), PCI_DMA_TODEVICE);
4795
4796                 tx_buf->skb = NULL;
4797
4798                 last = skb_shinfo(skb)->nr_frags;
4799                 for (j = 0; j < last; j++) {
4800                         tx_buf = &bp->tx_buf_ring[i + j + 1];
4801                         pci_unmap_page(bp->pdev,
4802                                 pci_unmap_addr(tx_buf, mapping),
4803                                 skb_shinfo(skb)->frags[j].size,
4804                                 PCI_DMA_TODEVICE);
4805                 }
4806                 dev_kfree_skb(skb);
4807                 i += j + 1;
4808         }
4809
4810 }
4811
4812 static void
4813 bnx2_free_rx_skbs(struct bnx2 *bp)
4814 {
4815         int i;
4816
4817         if (bp->rx_buf_ring == NULL)
4818                 return;
4819
4820         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4821                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4822                 struct sk_buff *skb = rx_buf->skb;
4823
4824                 if (skb == NULL)
4825                         continue;
4826
4827                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4828                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4829
4830                 rx_buf->skb = NULL;
4831
4832                 dev_kfree_skb(skb);
4833         }
4834         for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4835                 bnx2_free_rx_page(bp, i);
4836 }
4837
4838 static void
4839 bnx2_free_skbs(struct bnx2 *bp)
4840 {
4841         bnx2_free_tx_skbs(bp);
4842         bnx2_free_rx_skbs(bp);
4843 }
4844
4845 static int
4846 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4847 {
4848         int rc;
4849
4850         rc = bnx2_reset_chip(bp, reset_code);
4851         bnx2_free_skbs(bp);
4852         if (rc)
4853                 return rc;
4854
4855         if ((rc = bnx2_init_chip(bp)) != 0)
4856                 return rc;
4857
4858         bnx2_clear_ring_states(bp);
4859         bnx2_init_tx_ring(bp);
4860         bnx2_init_rx_ring(bp);
4861         return 0;
4862 }
4863
4864 static int
4865 bnx2_init_nic(struct bnx2 *bp)
4866 {
4867         int rc;
4868
4869         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4870                 return rc;
4871
4872         spin_lock_bh(&bp->phy_lock);
4873         bnx2_init_phy(bp);
4874         bnx2_set_link(bp);
4875         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4876                 bnx2_remote_phy_event(bp);
4877         spin_unlock_bh(&bp->phy_lock);
4878         return 0;
4879 }
4880
4881 static int
4882 bnx2_test_registers(struct bnx2 *bp)
4883 {
4884         int ret;
4885         int i, is_5709;
4886         static const struct {
4887                 u16   offset;
4888                 u16   flags;
4889 #define BNX2_FL_NOT_5709        1
4890                 u32   rw_mask;
4891                 u32   ro_mask;
4892         } reg_tbl[] = {
4893                 { 0x006c, 0, 0x00000000, 0x0000003f },
4894                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4895                 { 0x0094, 0, 0x00000000, 0x00000000 },
4896
4897                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4898                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4899                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4900                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4901                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4902                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4903                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4904                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4905                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4906
4907                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4908                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4909                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4910                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4911                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4912                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4913
4914                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4915                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4916                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4917
4918                 { 0x1000, 0, 0x00000000, 0x00000001 },
4919                 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4920
4921                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4922                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4923                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4924                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4925                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4926                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4927                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4928                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4929                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4930                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4931
4932                 { 0x1800, 0, 0x00000000, 0x00000001 },
4933                 { 0x1804, 0, 0x00000000, 0x00000003 },
4934
4935                 { 0x2800, 0, 0x00000000, 0x00000001 },
4936                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4937                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4938                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4939                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4940                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4941                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4942                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4943                 { 0x2840, 0, 0x00000000, 0xffffffff },
4944                 { 0x2844, 0, 0x00000000, 0xffffffff },
4945                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4946                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4947
4948                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4949                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4950
4951                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4952                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4953                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4954                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4955                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4956                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4957                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4958                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4959                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4960
4961                 { 0x5004, 0, 0x00000000, 0x0000007f },
4962                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4963
4964                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4965                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4966                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4967                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4968                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4969                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4970                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4971                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4972                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4973
4974                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4975                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4976                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4977                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4978                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4979                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4980                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4981                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4982                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4983                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4984                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4985                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4986                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4987                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4988                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4989                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4990                 { 0x684c, 0, 0xffffffff, 0x00000000 },
4991                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4992                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4993                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4994                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4995                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
4996                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
4997
4998                 { 0xffff, 0, 0x00000000, 0x00000000 },
4999         };
5000
5001         ret = 0;
5002         is_5709 = 0;
5003         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5004                 is_5709 = 1;
5005
5006         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5007                 u32 offset, rw_mask, ro_mask, save_val, val;
5008                 u16 flags = reg_tbl[i].flags;
5009
5010                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5011                         continue;
5012
5013                 offset = (u32) reg_tbl[i].offset;
5014                 rw_mask = reg_tbl[i].rw_mask;
5015                 ro_mask = reg_tbl[i].ro_mask;
5016
5017                 save_val = readl(bp->regview + offset);
5018
5019                 writel(0, bp->regview + offset);
5020
5021                 val = readl(bp->regview + offset);
5022                 if ((val & rw_mask) != 0) {
5023                         goto reg_test_err;
5024                 }
5025
5026                 if ((val & ro_mask) != (save_val & ro_mask)) {
5027                         goto reg_test_err;
5028                 }
5029
5030                 writel(0xffffffff, bp->regview + offset);
5031
5032                 val = readl(bp->regview + offset);
5033                 if ((val & rw_mask) != rw_mask) {
5034                         goto reg_test_err;
5035                 }
5036
5037                 if ((val & ro_mask) != (save_val & ro_mask)) {
5038                         goto reg_test_err;
5039                 }
5040
5041                 writel(save_val, bp->regview + offset);
5042                 continue;
5043
5044 reg_test_err:
5045                 writel(save_val, bp->regview + offset);
5046                 ret = -ENODEV;
5047                 break;
5048         }
5049         return ret;
5050 }
5051
5052 static int
5053 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5054 {
5055         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5056                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5057         int i;
5058
5059         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5060                 u32 offset;
5061
5062                 for (offset = 0; offset < size; offset += 4) {
5063
5064                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5065
5066                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5067                                 test_pattern[i]) {
5068                                 return -ENODEV;
5069                         }
5070                 }
5071         }
5072         return 0;
5073 }
5074
5075 static int
5076 bnx2_test_memory(struct bnx2 *bp)
5077 {
5078         int ret = 0;
5079         int i;
5080         static struct mem_entry {
5081                 u32   offset;
5082                 u32   len;
5083         } mem_tbl_5706[] = {
5084                 { 0x60000,  0x4000 },
5085                 { 0xa0000,  0x3000 },
5086                 { 0xe0000,  0x4000 },
5087                 { 0x120000, 0x4000 },
5088                 { 0x1a0000, 0x4000 },
5089                 { 0x160000, 0x4000 },
5090                 { 0xffffffff, 0    },
5091         },
5092         mem_tbl_5709[] = {
5093                 { 0x60000,  0x4000 },
5094                 { 0xa0000,  0x3000 },
5095                 { 0xe0000,  0x4000 },
5096                 { 0x120000, 0x4000 },
5097                 { 0x1a0000, 0x4000 },
5098                 { 0xffffffff, 0    },
5099         };
5100         struct mem_entry *mem_tbl;
5101
5102         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5103                 mem_tbl = mem_tbl_5709;
5104         else
5105                 mem_tbl = mem_tbl_5706;
5106
5107         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5108                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5109                         mem_tbl[i].len)) != 0) {
5110                         return ret;
5111                 }
5112         }
5113
5114         return ret;
5115 }
5116
5117 #define BNX2_MAC_LOOPBACK       0
5118 #define BNX2_PHY_LOOPBACK       1
5119
5120 static int
5121 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5122 {
5123         unsigned int pkt_size, num_pkts, i;
5124         struct sk_buff *skb, *rx_skb;
5125         unsigned char *packet;
5126         u16 rx_start_idx, rx_idx;
5127         dma_addr_t map;
5128         struct tx_bd *txbd;
5129         struct sw_bd *rx_buf;
5130         struct l2_fhdr *rx_hdr;
5131         int ret = -ENODEV;
5132         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5133
5134         tx_napi = bnapi;
5135         if (bp->flags & BNX2_FLAG_USING_MSIX)
5136                 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5137
5138         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5139                 bp->loopback = MAC_LOOPBACK;
5140                 bnx2_set_mac_loopback(bp);
5141         }
5142         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5143                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5144                         return 0;
5145
5146                 bp->loopback = PHY_LOOPBACK;
5147                 bnx2_set_phy_loopback(bp);
5148         }
5149         else
5150                 return -EINVAL;
5151
5152         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5153         skb = netdev_alloc_skb(bp->dev, pkt_size);
5154         if (!skb)
5155                 return -ENOMEM;
5156         packet = skb_put(skb, pkt_size);
5157         memcpy(packet, bp->dev->dev_addr, 6);
5158         memset(packet + 6, 0x0, 8);
5159         for (i = 14; i < pkt_size; i++)
5160                 packet[i] = (unsigned char) (i & 0xff);
5161
5162         map = pci_map_single(bp->pdev, skb->data, pkt_size,
5163                 PCI_DMA_TODEVICE);
5164
5165         REG_WR(bp, BNX2_HC_COMMAND,
5166                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5167
5168         REG_RD(bp, BNX2_HC_COMMAND);
5169
5170         udelay(5);
5171         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5172
5173         num_pkts = 0;
5174
5175         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5176
5177         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5178         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5179         txbd->tx_bd_mss_nbytes = pkt_size;
5180         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5181
5182         num_pkts++;
5183         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5184         bp->tx_prod_bseq += pkt_size;
5185
5186         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5187         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5188
5189         udelay(100);
5190
5191         REG_WR(bp, BNX2_HC_COMMAND,
5192                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5193
5194         REG_RD(bp, BNX2_HC_COMMAND);
5195
5196         udelay(5);
5197
5198         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5199         dev_kfree_skb(skb);
5200
5201         if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5202                 goto loopback_test_done;
5203
5204         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5205         if (rx_idx != rx_start_idx + num_pkts) {
5206                 goto loopback_test_done;
5207         }
5208
5209         rx_buf = &bp->rx_buf_ring[rx_start_idx];
5210         rx_skb = rx_buf->skb;
5211
5212         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5213         skb_reserve(rx_skb, bp->rx_offset);
5214
5215         pci_dma_sync_single_for_cpu(bp->pdev,
5216                 pci_unmap_addr(rx_buf, mapping),
5217                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5218
5219         if (rx_hdr->l2_fhdr_status &
5220                 (L2_FHDR_ERRORS_BAD_CRC |
5221                 L2_FHDR_ERRORS_PHY_DECODE |
5222                 L2_FHDR_ERRORS_ALIGNMENT |
5223                 L2_FHDR_ERRORS_TOO_SHORT |
5224                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5225
5226                 goto loopback_test_done;
5227         }
5228
5229         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5230                 goto loopback_test_done;
5231         }
5232
5233         for (i = 14; i < pkt_size; i++) {
5234                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5235                         goto loopback_test_done;
5236                 }
5237         }
5238
5239         ret = 0;
5240
5241 loopback_test_done:
5242         bp->loopback = 0;
5243         return ret;
5244 }
5245
5246 #define BNX2_MAC_LOOPBACK_FAILED        1
5247 #define BNX2_PHY_LOOPBACK_FAILED        2
5248 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5249                                          BNX2_PHY_LOOPBACK_FAILED)
5250
5251 static int
5252 bnx2_test_loopback(struct bnx2 *bp)
5253 {
5254         int rc = 0;
5255
5256         if (!netif_running(bp->dev))
5257                 return BNX2_LOOPBACK_FAILED;
5258
5259         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5260         spin_lock_bh(&bp->phy_lock);
5261         bnx2_init_phy(bp);
5262         spin_unlock_bh(&bp->phy_lock);
5263         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5264                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5265         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5266                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5267         return rc;
5268 }
5269
5270 #define NVRAM_SIZE 0x200
5271 #define CRC32_RESIDUAL 0xdebb20e3
5272
5273 static int
5274 bnx2_test_nvram(struct bnx2 *bp)
5275 {
5276         __be32 buf[NVRAM_SIZE / 4];
5277         u8 *data = (u8 *) buf;
5278         int rc = 0;
5279         u32 magic, csum;
5280
5281         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5282                 goto test_nvram_done;
5283
5284         magic = be32_to_cpu(buf[0]);
5285         if (magic != 0x669955aa) {
5286                 rc = -ENODEV;
5287                 goto test_nvram_done;
5288         }
5289
5290         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5291                 goto test_nvram_done;
5292
5293         csum = ether_crc_le(0x100, data);
5294         if (csum != CRC32_RESIDUAL) {
5295                 rc = -ENODEV;
5296                 goto test_nvram_done;
5297         }
5298
5299         csum = ether_crc_le(0x100, data + 0x100);
5300         if (csum != CRC32_RESIDUAL) {
5301                 rc = -ENODEV;
5302         }
5303
5304 test_nvram_done:
5305         return rc;
5306 }
5307
5308 static int
5309 bnx2_test_link(struct bnx2 *bp)
5310 {
5311         u32 bmsr;
5312
5313         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5314                 if (bp->link_up)
5315                         return 0;
5316                 return -ENODEV;
5317         }
5318         spin_lock_bh(&bp->phy_lock);
5319         bnx2_enable_bmsr1(bp);
5320         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5321         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5322         bnx2_disable_bmsr1(bp);
5323         spin_unlock_bh(&bp->phy_lock);
5324
5325         if (bmsr & BMSR_LSTATUS) {
5326                 return 0;
5327         }
5328         return -ENODEV;
5329 }
5330
5331 static int
5332 bnx2_test_intr(struct bnx2 *bp)
5333 {
5334         int i;
5335         u16 status_idx;
5336
5337         if (!netif_running(bp->dev))
5338                 return -ENODEV;
5339
5340         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5341
5342         /* This register is not touched during run-time. */
5343         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5344         REG_RD(bp, BNX2_HC_COMMAND);
5345
5346         for (i = 0; i < 10; i++) {
5347                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5348                         status_idx) {
5349
5350                         break;
5351                 }
5352
5353                 msleep_interruptible(10);
5354         }
5355         if (i < 10)
5356                 return 0;
5357
5358         return -ENODEV;
5359 }
5360
5361 /* Determining link for parallel detection. */
5362 static int
5363 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5364 {
5365         u32 mode_ctl, an_dbg, exp;
5366
5367         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5368                 return 0;
5369
5370         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5371         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5372
5373         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5374                 return 0;
5375
5376         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5377         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5378         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5379
5380         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5381                 return 0;
5382
5383         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5384         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5385         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5386
5387         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5388                 return 0;
5389
5390         return 1;
5391 }
5392
5393 static void
5394 bnx2_5706_serdes_timer(struct bnx2 *bp)
5395 {
5396         int check_link = 1;
5397
5398         spin_lock(&bp->phy_lock);
5399         if (bp->serdes_an_pending) {
5400                 bp->serdes_an_pending--;
5401                 check_link = 0;
5402         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5403                 u32 bmcr;
5404
5405                 bp->current_interval = bp->timer_interval;
5406
5407                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5408
5409                 if (bmcr & BMCR_ANENABLE) {
5410                         if (bnx2_5706_serdes_has_link(bp)) {
5411                                 bmcr &= ~BMCR_ANENABLE;
5412                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5413                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5414                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5415                         }
5416                 }
5417         }
5418         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5419                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5420                 u32 phy2;
5421
5422                 bnx2_write_phy(bp, 0x17, 0x0f01);
5423                 bnx2_read_phy(bp, 0x15, &phy2);
5424                 if (phy2 & 0x20) {
5425                         u32 bmcr;
5426
5427                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5428                         bmcr |= BMCR_ANENABLE;
5429                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5430
5431                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5432                 }
5433         } else
5434                 bp->current_interval = bp->timer_interval;
5435
5436         if (check_link) {
5437                 u32 val;
5438
5439                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5440                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5441                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5442
5443                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5444                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5445                                 bnx2_5706s_force_link_dn(bp, 1);
5446                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5447                         } else
5448                                 bnx2_set_link(bp);
5449                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5450                         bnx2_set_link(bp);
5451         }
5452         spin_unlock(&bp->phy_lock);
5453 }
5454
5455 static void
5456 bnx2_5708_serdes_timer(struct bnx2 *bp)
5457 {
5458         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5459                 return;
5460
5461         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5462                 bp->serdes_an_pending = 0;
5463                 return;
5464         }
5465
5466         spin_lock(&bp->phy_lock);
5467         if (bp->serdes_an_pending)
5468                 bp->serdes_an_pending--;
5469         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5470                 u32 bmcr;
5471
5472                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5473                 if (bmcr & BMCR_ANENABLE) {
5474                         bnx2_enable_forced_2g5(bp);
5475                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5476                 } else {
5477                         bnx2_disable_forced_2g5(bp);
5478                         bp->serdes_an_pending = 2;
5479                         bp->current_interval = bp->timer_interval;
5480                 }
5481
5482         } else
5483                 bp->current_interval = bp->timer_interval;
5484
5485         spin_unlock(&bp->phy_lock);
5486 }
5487
5488 static void
5489 bnx2_timer(unsigned long data)
5490 {
5491         struct bnx2 *bp = (struct bnx2 *) data;
5492
5493         if (!netif_running(bp->dev))
5494                 return;
5495
5496         if (atomic_read(&bp->intr_sem) != 0)
5497                 goto bnx2_restart_timer;
5498
5499         bnx2_send_heart_beat(bp);
5500
5501         bp->stats_blk->stat_FwRxDrop =
5502                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5503
5504         /* workaround occasional corrupted counters */
5505         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5506                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5507                                             BNX2_HC_COMMAND_STATS_NOW);
5508
5509         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5510                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5511                         bnx2_5706_serdes_timer(bp);
5512                 else
5513                         bnx2_5708_serdes_timer(bp);
5514         }
5515
5516 bnx2_restart_timer:
5517         mod_timer(&bp->timer, jiffies + bp->current_interval);
5518 }
5519
5520 static int
5521 bnx2_request_irq(struct bnx2 *bp)
5522 {
5523         struct net_device *dev = bp->dev;
5524         unsigned long flags;
5525         struct bnx2_irq *irq;
5526         int rc = 0, i;
5527
5528         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5529                 flags = 0;
5530         else
5531                 flags = IRQF_SHARED;
5532
5533         for (i = 0; i < bp->irq_nvecs; i++) {
5534                 irq = &bp->irq_tbl[i];
5535                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5536                                  dev);
5537                 if (rc)
5538                         break;
5539                 irq->requested = 1;
5540         }
5541         return rc;
5542 }
5543
5544 static void
5545 bnx2_free_irq(struct bnx2 *bp)
5546 {
5547         struct net_device *dev = bp->dev;
5548         struct bnx2_irq *irq;
5549         int i;
5550
5551         for (i = 0; i < bp->irq_nvecs; i++) {
5552                 irq = &bp->irq_tbl[i];
5553                 if (irq->requested)
5554                         free_irq(irq->vector, dev);
5555                 irq->requested = 0;
5556         }
5557         if (bp->flags & BNX2_FLAG_USING_MSI)
5558                 pci_disable_msi(bp->pdev);
5559         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5560                 pci_disable_msix(bp->pdev);
5561
5562         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5563 }
5564
5565 static void
5566 bnx2_enable_msix(struct bnx2 *bp)
5567 {
5568         int i, rc;
5569         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5570
5571         bnx2_setup_msix_tbl(bp);
5572         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5573         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5574         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5575
5576         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5577                 msix_ent[i].entry = i;
5578                 msix_ent[i].vector = 0;
5579         }
5580
5581         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5582         if (rc != 0)
5583                 return;
5584
5585         bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5586         bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5587
5588         strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5589         strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5590         strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5591         strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5592
5593         bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5594         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5595         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5596                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5597 }
5598
5599 static void
5600 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5601 {
5602         bp->irq_tbl[0].handler = bnx2_interrupt;
5603         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5604         bp->irq_nvecs = 1;
5605         bp->irq_tbl[0].vector = bp->pdev->irq;
5606
5607         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5608                 bnx2_enable_msix(bp);
5609
5610         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5611             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5612                 if (pci_enable_msi(bp->pdev) == 0) {
5613                         bp->flags |= BNX2_FLAG_USING_MSI;
5614                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5615                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5616                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5617                         } else
5618                                 bp->irq_tbl[0].handler = bnx2_msi;
5619
5620                         bp->irq_tbl[0].vector = bp->pdev->irq;
5621                 }
5622         }
5623 }
5624
5625 /* Called with rtnl_lock */
5626 static int
5627 bnx2_open(struct net_device *dev)
5628 {
5629         struct bnx2 *bp = netdev_priv(dev);
5630         int rc;
5631
5632         netif_carrier_off(dev);
5633
5634         bnx2_set_power_state(bp, PCI_D0);
5635         bnx2_disable_int(bp);
5636
5637         rc = bnx2_alloc_mem(bp);
5638         if (rc)
5639                 return rc;
5640
5641         bnx2_setup_int_mode(bp, disable_msi);
5642         bnx2_napi_enable(bp);
5643         rc = bnx2_request_irq(bp);
5644
5645         if (rc) {
5646                 bnx2_napi_disable(bp);
5647                 bnx2_free_mem(bp);
5648                 return rc;
5649         }
5650
5651         rc = bnx2_init_nic(bp);
5652
5653         if (rc) {
5654                 bnx2_napi_disable(bp);
5655                 bnx2_free_irq(bp);
5656                 bnx2_free_skbs(bp);
5657                 bnx2_free_mem(bp);
5658                 return rc;
5659         }
5660
5661         mod_timer(&bp->timer, jiffies + bp->current_interval);
5662
5663         atomic_set(&bp->intr_sem, 0);
5664
5665         bnx2_enable_int(bp);
5666
5667         if (bp->flags & BNX2_FLAG_USING_MSI) {
5668                 /* Test MSI to make sure it is working
5669                  * If MSI test fails, go back to INTx mode
5670                  */
5671                 if (bnx2_test_intr(bp) != 0) {
5672                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5673                                " using MSI, switching to INTx mode. Please"
5674                                " report this failure to the PCI maintainer"
5675                                " and include system chipset information.\n",
5676                                bp->dev->name);
5677
5678                         bnx2_disable_int(bp);
5679                         bnx2_free_irq(bp);
5680
5681                         bnx2_setup_int_mode(bp, 1);
5682
5683                         rc = bnx2_init_nic(bp);
5684
5685                         if (!rc)
5686                                 rc = bnx2_request_irq(bp);
5687
5688                         if (rc) {
5689                                 bnx2_napi_disable(bp);
5690                                 bnx2_free_skbs(bp);
5691                                 bnx2_free_mem(bp);
5692                                 del_timer_sync(&bp->timer);
5693                                 return rc;
5694                         }
5695                         bnx2_enable_int(bp);
5696                 }
5697         }
5698         if (bp->flags & BNX2_FLAG_USING_MSI)
5699                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5700         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5701                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5702
5703         netif_start_queue(dev);
5704
5705         return 0;
5706 }
5707
5708 static void
5709 bnx2_reset_task(struct work_struct *work)
5710 {
5711         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5712
5713         if (!netif_running(bp->dev))
5714                 return;
5715
5716         bp->in_reset_task = 1;
5717         bnx2_netif_stop(bp);
5718
5719         bnx2_init_nic(bp);
5720
5721         atomic_set(&bp->intr_sem, 1);
5722         bnx2_netif_start(bp);
5723         bp->in_reset_task = 0;
5724 }
5725
5726 static void
5727 bnx2_tx_timeout(struct net_device *dev)
5728 {
5729         struct bnx2 *bp = netdev_priv(dev);
5730
5731         /* This allows the netif to be shutdown gracefully before resetting */
5732         schedule_work(&bp->reset_task);
5733 }
5734
5735 #ifdef BCM_VLAN
5736 /* Called with rtnl_lock */
5737 static void
5738 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5739 {
5740         struct bnx2 *bp = netdev_priv(dev);
5741
5742         bnx2_netif_stop(bp);
5743
5744         bp->vlgrp = vlgrp;
5745         bnx2_set_rx_mode(dev);
5746
5747         bnx2_netif_start(bp);
5748 }
5749 #endif
5750
5751 /* Called with netif_tx_lock.
5752  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5753  * netif_wake_queue().
5754  */
5755 static int
5756 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5757 {
5758         struct bnx2 *bp = netdev_priv(dev);
5759         dma_addr_t mapping;
5760         struct tx_bd *txbd;
5761         struct sw_bd *tx_buf;
5762         u32 len, vlan_tag_flags, last_frag, mss;
5763         u16 prod, ring_prod;
5764         int i;
5765         struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5766
5767         if (unlikely(bnx2_tx_avail(bp, bnapi) <
5768             (skb_shinfo(skb)->nr_frags + 1))) {
5769                 netif_stop_queue(dev);
5770                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5771                         dev->name);
5772
5773                 return NETDEV_TX_BUSY;
5774         }
5775         len = skb_headlen(skb);
5776         prod = bp->tx_prod;
5777         ring_prod = TX_RING_IDX(prod);
5778
5779         vlan_tag_flags = 0;
5780         if (skb->ip_summed == CHECKSUM_PARTIAL) {
5781                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5782         }
5783
5784         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5785                 vlan_tag_flags |=
5786                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5787         }
5788         if ((mss = skb_shinfo(skb)->gso_size)) {
5789                 u32 tcp_opt_len, ip_tcp_len;
5790                 struct iphdr *iph;
5791
5792                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5793
5794                 tcp_opt_len = tcp_optlen(skb);
5795
5796                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5797                         u32 tcp_off = skb_transport_offset(skb) -
5798                                       sizeof(struct ipv6hdr) - ETH_HLEN;
5799
5800                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5801                                           TX_BD_FLAGS_SW_FLAGS;
5802                         if (likely(tcp_off == 0))
5803                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5804                         else {
5805                                 tcp_off >>= 3;
5806                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
5807                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
5808                                                   ((tcp_off & 0x10) <<
5809                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
5810                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5811                         }
5812                 } else {
5813                         if (skb_header_cloned(skb) &&
5814                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5815                                 dev_kfree_skb(skb);
5816                                 return NETDEV_TX_OK;
5817                         }
5818
5819                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5820
5821                         iph = ip_hdr(skb);
5822                         iph->check = 0;
5823                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5824                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5825                                                                  iph->daddr, 0,
5826                                                                  IPPROTO_TCP,
5827                                                                  0);
5828                         if (tcp_opt_len || (iph->ihl > 5)) {
5829                                 vlan_tag_flags |= ((iph->ihl - 5) +
5830                                                    (tcp_opt_len >> 2)) << 8;
5831                         }
5832                 }
5833         } else
5834                 mss = 0;
5835
5836         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5837
5838         tx_buf = &bp->tx_buf_ring[ring_prod];
5839         tx_buf->skb = skb;
5840         pci_unmap_addr_set(tx_buf, mapping, mapping);
5841
5842         txbd = &bp->tx_desc_ring[ring_prod];
5843
5844         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5845         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5846         txbd->tx_bd_mss_nbytes = len | (mss << 16);
5847         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5848
5849         last_frag = skb_shinfo(skb)->nr_frags;
5850
5851         for (i = 0; i < last_frag; i++) {
5852                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5853
5854                 prod = NEXT_TX_BD(prod);
5855                 ring_prod = TX_RING_IDX(prod);
5856                 txbd = &bp->tx_desc_ring[ring_prod];
5857
5858                 len = frag->size;
5859                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5860                         len, PCI_DMA_TODEVICE);
5861                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5862                                 mapping, mapping);
5863
5864                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5865                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5866                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5867                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5868
5869         }
5870         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5871
5872         prod = NEXT_TX_BD(prod);
5873         bp->tx_prod_bseq += skb->len;
5874
5875         REG_WR16(bp, bp->tx_bidx_addr, prod);
5876         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5877
5878         mmiowb();
5879
5880         bp->tx_prod = prod;
5881         dev->trans_start = jiffies;
5882
5883         if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5884                 netif_stop_queue(dev);
5885                 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5886                         netif_wake_queue(dev);
5887         }
5888
5889         return NETDEV_TX_OK;
5890 }
5891
5892 /* Called with rtnl_lock */
5893 static int
5894 bnx2_close(struct net_device *dev)
5895 {
5896         struct bnx2 *bp = netdev_priv(dev);
5897         u32 reset_code;
5898
5899         /* Calling flush_scheduled_work() may deadlock because
5900          * linkwatch_event() may be on the workqueue and it will try to get
5901          * the rtnl_lock which we are holding.
5902          */
5903         while (bp->in_reset_task)
5904                 msleep(1);
5905
5906         bnx2_disable_int_sync(bp);
5907         bnx2_napi_disable(bp);
5908         del_timer_sync(&bp->timer);
5909         if (bp->flags & BNX2_FLAG_NO_WOL)
5910                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5911         else if (bp->wol)
5912                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5913         else
5914                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5915         bnx2_reset_chip(bp, reset_code);
5916         bnx2_free_irq(bp);
5917         bnx2_free_skbs(bp);
5918         bnx2_free_mem(bp);
5919         bp->link_up = 0;
5920         netif_carrier_off(bp->dev);
5921         bnx2_set_power_state(bp, PCI_D3hot);
5922         return 0;
5923 }
5924
5925 #define GET_NET_STATS64(ctr)                                    \
5926         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
5927         (unsigned long) (ctr##_lo)
5928
5929 #define GET_NET_STATS32(ctr)            \
5930         (ctr##_lo)
5931
5932 #if (BITS_PER_LONG == 64)
5933 #define GET_NET_STATS   GET_NET_STATS64
5934 #else
5935 #define GET_NET_STATS   GET_NET_STATS32
5936 #endif
5937
5938 static struct net_device_stats *
5939 bnx2_get_stats(struct net_device *dev)
5940 {
5941         struct bnx2 *bp = netdev_priv(dev);
5942         struct statistics_block *stats_blk = bp->stats_blk;
5943         struct net_device_stats *net_stats = &bp->net_stats;
5944
5945         if (bp->stats_blk == NULL) {
5946                 return net_stats;
5947         }
5948         net_stats->rx_packets =
5949                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5950                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5951                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5952
5953         net_stats->tx_packets =
5954                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5955                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5956                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5957
5958         net_stats->rx_bytes =
5959                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5960
5961         net_stats->tx_bytes =
5962                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5963
5964         net_stats->multicast =
5965                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5966
5967         net_stats->collisions =
5968                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5969
5970         net_stats->rx_length_errors =
5971                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5972                 stats_blk->stat_EtherStatsOverrsizePkts);
5973
5974         net_stats->rx_over_errors =
5975                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5976
5977         net_stats->rx_frame_errors =
5978                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5979
5980         net_stats->rx_crc_errors =
5981                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5982
5983         net_stats->rx_errors = net_stats->rx_length_errors +
5984                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5985                 net_stats->rx_crc_errors;
5986
5987         net_stats->tx_aborted_errors =
5988                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5989                 stats_blk->stat_Dot3StatsLateCollisions);
5990
5991         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5992             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5993                 net_stats->tx_carrier_errors = 0;
5994         else {
5995                 net_stats->tx_carrier_errors =
5996                         (unsigned long)
5997                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
5998         }
5999
6000         net_stats->tx_errors =
6001                 (unsigned long)
6002                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6003                 +
6004                 net_stats->tx_aborted_errors +
6005                 net_stats->tx_carrier_errors;
6006
6007         net_stats->rx_missed_errors =
6008                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6009                 stats_blk->stat_FwRxDrop);
6010
6011         return net_stats;
6012 }
6013
6014 /* All ethtool functions called with rtnl_lock */
6015
6016 static int
6017 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6018 {
6019         struct bnx2 *bp = netdev_priv(dev);
6020         int support_serdes = 0, support_copper = 0;
6021
6022         cmd->supported = SUPPORTED_Autoneg;
6023         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6024                 support_serdes = 1;
6025                 support_copper = 1;
6026         } else if (bp->phy_port == PORT_FIBRE)
6027                 support_serdes = 1;
6028         else
6029                 support_copper = 1;
6030
6031         if (support_serdes) {
6032                 cmd->supported |= SUPPORTED_1000baseT_Full |
6033                         SUPPORTED_FIBRE;
6034                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6035                         cmd->supported |= SUPPORTED_2500baseX_Full;
6036
6037         }
6038         if (support_copper) {
6039                 cmd->supported |= SUPPORTED_10baseT_Half |
6040                         SUPPORTED_10baseT_Full |
6041                         SUPPORTED_100baseT_Half |
6042                         SUPPORTED_100baseT_Full |
6043                         SUPPORTED_1000baseT_Full |
6044                         SUPPORTED_TP;
6045
6046         }
6047
6048         spin_lock_bh(&bp->phy_lock);
6049         cmd->port = bp->phy_port;
6050         cmd->advertising = bp->advertising;
6051
6052         if (bp->autoneg & AUTONEG_SPEED) {
6053                 cmd->autoneg = AUTONEG_ENABLE;
6054         }
6055         else {
6056                 cmd->autoneg = AUTONEG_DISABLE;
6057         }
6058
6059         if (netif_carrier_ok(dev)) {
6060                 cmd->speed = bp->line_speed;
6061                 cmd->duplex = bp->duplex;
6062         }
6063         else {
6064                 cmd->speed = -1;
6065                 cmd->duplex = -1;
6066         }
6067         spin_unlock_bh(&bp->phy_lock);
6068
6069         cmd->transceiver = XCVR_INTERNAL;
6070         cmd->phy_address = bp->phy_addr;
6071
6072         return 0;
6073 }
6074
6075 static int
6076 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6077 {
6078         struct bnx2 *bp = netdev_priv(dev);
6079         u8 autoneg = bp->autoneg;
6080         u8 req_duplex = bp->req_duplex;
6081         u16 req_line_speed = bp->req_line_speed;
6082         u32 advertising = bp->advertising;
6083         int err = -EINVAL;
6084
6085         spin_lock_bh(&bp->phy_lock);
6086
6087         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6088                 goto err_out_unlock;
6089
6090         if (cmd->port != bp->phy_port &&
6091             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6092                 goto err_out_unlock;
6093
6094         if (cmd->autoneg == AUTONEG_ENABLE) {
6095                 autoneg |= AUTONEG_SPEED;
6096
6097                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6098
6099                 /* allow advertising 1 speed */
6100                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6101                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6102                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6103                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6104
6105                         if (cmd->port == PORT_FIBRE)
6106                                 goto err_out_unlock;
6107
6108                         advertising = cmd->advertising;
6109
6110                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6111                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6112                             (cmd->port == PORT_TP))
6113                                 goto err_out_unlock;
6114                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6115                         advertising = cmd->advertising;
6116                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6117                         goto err_out_unlock;
6118                 else {
6119                         if (cmd->port == PORT_FIBRE)
6120                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6121                         else
6122                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6123                 }
6124                 advertising |= ADVERTISED_Autoneg;
6125         }
6126         else {
6127                 if (cmd->port == PORT_FIBRE) {
6128                         if ((cmd->speed != SPEED_1000 &&
6129                              cmd->speed != SPEED_2500) ||
6130                             (cmd->duplex != DUPLEX_FULL))
6131                                 goto err_out_unlock;
6132
6133                         if (cmd->speed == SPEED_2500 &&
6134                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6135                                 goto err_out_unlock;
6136                 }
6137                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6138                         goto err_out_unlock;
6139
6140                 autoneg &= ~AUTONEG_SPEED;
6141                 req_line_speed = cmd->speed;
6142                 req_duplex = cmd->duplex;
6143                 advertising = 0;
6144         }
6145
6146         bp->autoneg = autoneg;
6147         bp->advertising = advertising;
6148         bp->req_line_speed = req_line_speed;
6149         bp->req_duplex = req_duplex;
6150
6151         err = bnx2_setup_phy(bp, cmd->port);
6152
6153 err_out_unlock:
6154         spin_unlock_bh(&bp->phy_lock);
6155
6156         return err;
6157 }
6158
6159 static void
6160 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6161 {
6162         struct bnx2 *bp = netdev_priv(dev);
6163
6164         strcpy(info->driver, DRV_MODULE_NAME);
6165         strcpy(info->version, DRV_MODULE_VERSION);
6166         strcpy(info->bus_info, pci_name(bp->pdev));
6167         strcpy(info->fw_version, bp->fw_version);
6168 }
6169
6170 #define BNX2_REGDUMP_LEN                (32 * 1024)
6171
6172 static int
6173 bnx2_get_regs_len(struct net_device *dev)
6174 {
6175         return BNX2_REGDUMP_LEN;
6176 }
6177
6178 static void
6179 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6180 {
6181         u32 *p = _p, i, offset;
6182         u8 *orig_p = _p;
6183         struct bnx2 *bp = netdev_priv(dev);
6184         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6185                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6186                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6187                                  0x1040, 0x1048, 0x1080, 0x10a4,
6188                                  0x1400, 0x1490, 0x1498, 0x14f0,
6189                                  0x1500, 0x155c, 0x1580, 0x15dc,
6190                                  0x1600, 0x1658, 0x1680, 0x16d8,
6191                                  0x1800, 0x1820, 0x1840, 0x1854,
6192                                  0x1880, 0x1894, 0x1900, 0x1984,
6193                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6194                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6195                                  0x2000, 0x2030, 0x23c0, 0x2400,
6196                                  0x2800, 0x2820, 0x2830, 0x2850,
6197                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6198                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6199                                  0x4080, 0x4090, 0x43c0, 0x4458,
6200                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6201                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6202                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6203                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6204                                  0x6800, 0x6848, 0x684c, 0x6860,
6205                                  0x6888, 0x6910, 0x8000 };
6206
6207         regs->version = 0;
6208
6209         memset(p, 0, BNX2_REGDUMP_LEN);
6210
6211         if (!netif_running(bp->dev))
6212                 return;
6213
6214         i = 0;
6215         offset = reg_boundaries[0];
6216         p += offset;
6217         while (offset < BNX2_REGDUMP_LEN) {
6218                 *p++ = REG_RD(bp, offset);
6219                 offset += 4;
6220                 if (offset == reg_boundaries[i + 1]) {
6221                         offset = reg_boundaries[i + 2];
6222                         p = (u32 *) (orig_p + offset);
6223                         i += 2;
6224                 }
6225         }
6226 }
6227
6228 static void
6229 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6230 {
6231         struct bnx2 *bp = netdev_priv(dev);
6232
6233         if (bp->flags & BNX2_FLAG_NO_WOL) {
6234                 wol->supported = 0;
6235                 wol->wolopts = 0;
6236         }
6237         else {
6238                 wol->supported = WAKE_MAGIC;
6239                 if (bp->wol)
6240                         wol->wolopts = WAKE_MAGIC;
6241                 else
6242                         wol->wolopts = 0;
6243         }
6244         memset(&wol->sopass, 0, sizeof(wol->sopass));
6245 }
6246
6247 static int
6248 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6249 {
6250         struct bnx2 *bp = netdev_priv(dev);
6251
6252         if (wol->wolopts & ~WAKE_MAGIC)
6253                 return -EINVAL;
6254
6255         if (wol->wolopts & WAKE_MAGIC) {
6256                 if (bp->flags & BNX2_FLAG_NO_WOL)
6257                         return -EINVAL;
6258
6259                 bp->wol = 1;
6260         }
6261         else {
6262                 bp->wol = 0;
6263         }
6264         return 0;
6265 }
6266
6267 static int
6268 bnx2_nway_reset(struct net_device *dev)
6269 {
6270         struct bnx2 *bp = netdev_priv(dev);
6271         u32 bmcr;
6272
6273         if (!(bp->autoneg & AUTONEG_SPEED)) {
6274                 return -EINVAL;
6275         }
6276
6277         spin_lock_bh(&bp->phy_lock);
6278
6279         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6280                 int rc;
6281
6282                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6283                 spin_unlock_bh(&bp->phy_lock);
6284                 return rc;
6285         }
6286
6287         /* Force a link down visible on the other side */
6288         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6289                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6290                 spin_unlock_bh(&bp->phy_lock);
6291
6292                 msleep(20);
6293
6294                 spin_lock_bh(&bp->phy_lock);
6295
6296                 bp->current_interval = SERDES_AN_TIMEOUT;
6297                 bp->serdes_an_pending = 1;
6298                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6299         }
6300
6301         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6302         bmcr &= ~BMCR_LOOPBACK;
6303         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6304
6305         spin_unlock_bh(&bp->phy_lock);
6306
6307         return 0;
6308 }
6309
6310 static int
6311 bnx2_get_eeprom_len(struct net_device *dev)
6312 {
6313         struct bnx2 *bp = netdev_priv(dev);
6314
6315         if (bp->flash_info == NULL)
6316                 return 0;
6317
6318         return (int) bp->flash_size;
6319 }
6320
6321 static int
6322 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6323                 u8 *eebuf)
6324 {
6325         struct bnx2 *bp = netdev_priv(dev);
6326         int rc;
6327
6328         /* parameters already validated in ethtool_get_eeprom */
6329
6330         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6331
6332         return rc;
6333 }
6334
6335 static int
6336 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6337                 u8 *eebuf)
6338 {
6339         struct bnx2 *bp = netdev_priv(dev);
6340         int rc;
6341
6342         /* parameters already validated in ethtool_set_eeprom */
6343
6344         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6345
6346         return rc;
6347 }
6348
6349 static int
6350 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6351 {
6352         struct bnx2 *bp = netdev_priv(dev);
6353
6354         memset(coal, 0, sizeof(struct ethtool_coalesce));
6355
6356         coal->rx_coalesce_usecs = bp->rx_ticks;
6357         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6358         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6359         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6360
6361         coal->tx_coalesce_usecs = bp->tx_ticks;
6362         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6363         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6364         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6365
6366         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6367
6368         return 0;
6369 }
6370
6371 static int
6372 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6373 {
6374         struct bnx2 *bp = netdev_priv(dev);
6375
6376         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6377         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6378
6379         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6380         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6381
6382         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6383         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6384
6385         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6386         if (bp->rx_quick_cons_trip_int > 0xff)
6387                 bp->rx_quick_cons_trip_int = 0xff;
6388
6389         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6390         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6391
6392         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6393         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6394
6395         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6396         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6397
6398         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6399         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6400                 0xff;
6401
6402         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6403         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6404                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6405                         bp->stats_ticks = USEC_PER_SEC;
6406         }
6407         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6408                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6409         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6410
6411         if (netif_running(bp->dev)) {
6412                 bnx2_netif_stop(bp);
6413                 bnx2_init_nic(bp);
6414                 bnx2_netif_start(bp);
6415         }
6416
6417         return 0;
6418 }
6419
6420 static void
6421 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6422 {
6423         struct bnx2 *bp = netdev_priv(dev);
6424
6425         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6426         ering->rx_mini_max_pending = 0;
6427         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6428
6429         ering->rx_pending = bp->rx_ring_size;
6430         ering->rx_mini_pending = 0;
6431         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6432
6433         ering->tx_max_pending = MAX_TX_DESC_CNT;
6434         ering->tx_pending = bp->tx_ring_size;
6435 }
6436
6437 static int
6438 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6439 {
6440         if (netif_running(bp->dev)) {
6441                 bnx2_netif_stop(bp);
6442                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6443                 bnx2_free_skbs(bp);
6444                 bnx2_free_mem(bp);
6445         }
6446
6447         bnx2_set_rx_ring_size(bp, rx);
6448         bp->tx_ring_size = tx;
6449
6450         if (netif_running(bp->dev)) {
6451                 int rc;
6452
6453                 rc = bnx2_alloc_mem(bp);
6454                 if (rc)
6455                         return rc;
6456                 bnx2_init_nic(bp);
6457                 bnx2_netif_start(bp);
6458         }
6459         return 0;
6460 }
6461
6462 static int
6463 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6464 {
6465         struct bnx2 *bp = netdev_priv(dev);
6466         int rc;
6467
6468         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6469                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6470                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6471
6472                 return -EINVAL;
6473         }
6474         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6475         return rc;
6476 }
6477
6478 static void
6479 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6480 {
6481         struct bnx2 *bp = netdev_priv(dev);
6482
6483         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6484         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6485         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6486 }
6487
6488 static int
6489 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6490 {
6491         struct bnx2 *bp = netdev_priv(dev);
6492
6493         bp->req_flow_ctrl = 0;
6494         if (epause->rx_pause)
6495                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6496         if (epause->tx_pause)
6497                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6498
6499         if (epause->autoneg) {
6500                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6501         }
6502         else {
6503                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6504         }
6505
6506         spin_lock_bh(&bp->phy_lock);
6507
6508         bnx2_setup_phy(bp, bp->phy_port);
6509
6510         spin_unlock_bh(&bp->phy_lock);
6511
6512         return 0;
6513 }
6514
6515 static u32
6516 bnx2_get_rx_csum(struct net_device *dev)
6517 {
6518         struct bnx2 *bp = netdev_priv(dev);
6519
6520         return bp->rx_csum;
6521 }
6522
6523 static int
6524 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6525 {
6526         struct bnx2 *bp = netdev_priv(dev);
6527
6528         bp->rx_csum = data;
6529         return 0;
6530 }
6531
6532 static int
6533 bnx2_set_tso(struct net_device *dev, u32 data)
6534 {
6535         struct bnx2 *bp = netdev_priv(dev);
6536
6537         if (data) {
6538                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6539                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6540                         dev->features |= NETIF_F_TSO6;
6541         } else
6542                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6543                                    NETIF_F_TSO_ECN);
6544         return 0;
6545 }
6546
6547 #define BNX2_NUM_STATS 46
6548
6549 static struct {
6550         char string[ETH_GSTRING_LEN];
6551 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6552         { "rx_bytes" },
6553         { "rx_error_bytes" },
6554         { "tx_bytes" },
6555         { "tx_error_bytes" },
6556         { "rx_ucast_packets" },
6557         { "rx_mcast_packets" },
6558         { "rx_bcast_packets" },
6559         { "tx_ucast_packets" },
6560         { "tx_mcast_packets" },
6561         { "tx_bcast_packets" },
6562         { "tx_mac_errors" },
6563         { "tx_carrier_errors" },
6564         { "rx_crc_errors" },
6565         { "rx_align_errors" },
6566         { "tx_single_collisions" },
6567         { "tx_multi_collisions" },
6568         { "tx_deferred" },
6569         { "tx_excess_collisions" },
6570         { "tx_late_collisions" },
6571         { "tx_total_collisions" },
6572         { "rx_fragments" },
6573         { "rx_jabbers" },
6574         { "rx_undersize_packets" },
6575         { "rx_oversize_packets" },
6576         { "rx_64_byte_packets" },
6577         { "rx_65_to_127_byte_packets" },
6578         { "rx_128_to_255_byte_packets" },
6579         { "rx_256_to_511_byte_packets" },
6580         { "rx_512_to_1023_byte_packets" },
6581         { "rx_1024_to_1522_byte_packets" },
6582         { "rx_1523_to_9022_byte_packets" },
6583         { "tx_64_byte_packets" },
6584         { "tx_65_to_127_byte_packets" },
6585         { "tx_128_to_255_byte_packets" },
6586         { "tx_256_to_511_byte_packets" },
6587         { "tx_512_to_1023_byte_packets" },
6588         { "tx_1024_to_1522_byte_packets" },
6589         { "tx_1523_to_9022_byte_packets" },
6590         { "rx_xon_frames" },
6591         { "rx_xoff_frames" },
6592         { "tx_xon_frames" },
6593         { "tx_xoff_frames" },
6594         { "rx_mac_ctrl_frames" },
6595         { "rx_filtered_packets" },
6596         { "rx_discards" },
6597         { "rx_fw_discards" },
6598 };
6599
6600 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6601
6602 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6603     STATS_OFFSET32(stat_IfHCInOctets_hi),
6604     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6605     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6606     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6607     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6608     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6609     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6610     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6611     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6612     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6613     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6614     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6615     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6616     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6617     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6618     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6619     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6620     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6621     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6622     STATS_OFFSET32(stat_EtherStatsCollisions),
6623     STATS_OFFSET32(stat_EtherStatsFragments),
6624     STATS_OFFSET32(stat_EtherStatsJabbers),
6625     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6626     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6627     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6628     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6629     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6630     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6631     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6632     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6633     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6634     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6635     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6636     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6637     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6638     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6639     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6640     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6641     STATS_OFFSET32(stat_XonPauseFramesReceived),
6642     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6643     STATS_OFFSET32(stat_OutXonSent),
6644     STATS_OFFSET32(stat_OutXoffSent),
6645     STATS_OFFSET32(stat_MacControlFramesReceived),
6646     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6647     STATS_OFFSET32(stat_IfInMBUFDiscards),
6648     STATS_OFFSET32(stat_FwRxDrop),
6649 };
6650
6651 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6652  * skipped because of errata.
6653  */
6654 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6655         8,0,8,8,8,8,8,8,8,8,
6656         4,0,4,4,4,4,4,4,4,4,
6657         4,4,4,4,4,4,4,4,4,4,
6658         4,4,4,4,4,4,4,4,4,4,
6659         4,4,4,4,4,4,
6660 };
6661
6662 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6663         8,0,8,8,8,8,8,8,8,8,
6664         4,4,4,4,4,4,4,4,4,4,
6665         4,4,4,4,4,4,4,4,4,4,
6666         4,4,4,4,4,4,4,4,4,4,
6667         4,4,4,4,4,4,
6668 };
6669
6670 #define BNX2_NUM_TESTS 6
6671
6672 static struct {
6673         char string[ETH_GSTRING_LEN];
6674 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6675         { "register_test (offline)" },
6676         { "memory_test (offline)" },
6677         { "loopback_test (offline)" },
6678         { "nvram_test (online)" },
6679         { "interrupt_test (online)" },
6680         { "link_test (online)" },
6681 };
6682
6683 static int
6684 bnx2_get_sset_count(struct net_device *dev, int sset)
6685 {
6686         switch (sset) {
6687         case ETH_SS_TEST:
6688                 return BNX2_NUM_TESTS;
6689         case ETH_SS_STATS:
6690                 return BNX2_NUM_STATS;
6691         default:
6692                 return -EOPNOTSUPP;
6693         }
6694 }
6695
6696 static void
6697 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6698 {
6699         struct bnx2 *bp = netdev_priv(dev);
6700
6701         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6702         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6703                 int i;
6704
6705                 bnx2_netif_stop(bp);
6706                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6707                 bnx2_free_skbs(bp);
6708
6709                 if (bnx2_test_registers(bp) != 0) {
6710                         buf[0] = 1;
6711                         etest->flags |= ETH_TEST_FL_FAILED;
6712                 }
6713                 if (bnx2_test_memory(bp) != 0) {
6714                         buf[1] = 1;
6715                         etest->flags |= ETH_TEST_FL_FAILED;
6716                 }
6717                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6718                         etest->flags |= ETH_TEST_FL_FAILED;
6719
6720                 if (!netif_running(bp->dev)) {
6721                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6722                 }
6723                 else {
6724                         bnx2_init_nic(bp);
6725                         bnx2_netif_start(bp);
6726                 }
6727
6728                 /* wait for link up */
6729                 for (i = 0; i < 7; i++) {
6730                         if (bp->link_up)
6731                                 break;
6732                         msleep_interruptible(1000);
6733                 }
6734         }
6735
6736         if (bnx2_test_nvram(bp) != 0) {
6737                 buf[3] = 1;
6738                 etest->flags |= ETH_TEST_FL_FAILED;
6739         }
6740         if (bnx2_test_intr(bp) != 0) {
6741                 buf[4] = 1;
6742                 etest->flags |= ETH_TEST_FL_FAILED;
6743         }
6744
6745         if (bnx2_test_link(bp) != 0) {
6746                 buf[5] = 1;
6747                 etest->flags |= ETH_TEST_FL_FAILED;
6748
6749         }
6750 }
6751
6752 static void
6753 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6754 {
6755         switch (stringset) {
6756         case ETH_SS_STATS:
6757                 memcpy(buf, bnx2_stats_str_arr,
6758                         sizeof(bnx2_stats_str_arr));
6759                 break;
6760         case ETH_SS_TEST:
6761                 memcpy(buf, bnx2_tests_str_arr,
6762                         sizeof(bnx2_tests_str_arr));
6763                 break;
6764         }
6765 }
6766
6767 static void
6768 bnx2_get_ethtool_stats(struct net_device *dev,
6769                 struct ethtool_stats *stats, u64 *buf)
6770 {
6771         struct bnx2 *bp = netdev_priv(dev);
6772         int i;
6773         u32 *hw_stats = (u32 *) bp->stats_blk;
6774         u8 *stats_len_arr = NULL;
6775
6776         if (hw_stats == NULL) {
6777                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6778                 return;
6779         }
6780
6781         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6782             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6783             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6784             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6785                 stats_len_arr = bnx2_5706_stats_len_arr;
6786         else
6787                 stats_len_arr = bnx2_5708_stats_len_arr;
6788
6789         for (i = 0; i < BNX2_NUM_STATS; i++) {
6790                 if (stats_len_arr[i] == 0) {
6791                         /* skip this counter */
6792                         buf[i] = 0;
6793                         continue;
6794                 }
6795                 if (stats_len_arr[i] == 4) {
6796                         /* 4-byte counter */
6797                         buf[i] = (u64)
6798                                 *(hw_stats + bnx2_stats_offset_arr[i]);
6799                         continue;
6800                 }
6801                 /* 8-byte counter */
6802                 buf[i] = (((u64) *(hw_stats +
6803                                         bnx2_stats_offset_arr[i])) << 32) +
6804                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6805         }
6806 }
6807
6808 static int
6809 bnx2_phys_id(struct net_device *dev, u32 data)
6810 {
6811         struct bnx2 *bp = netdev_priv(dev);
6812         int i;
6813         u32 save;
6814
6815         if (data == 0)
6816                 data = 2;
6817
6818         save = REG_RD(bp, BNX2_MISC_CFG);
6819         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6820
6821         for (i = 0; i < (data * 2); i++) {
6822                 if ((i % 2) == 0) {
6823                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6824                 }
6825                 else {
6826                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6827                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
6828                                 BNX2_EMAC_LED_100MB_OVERRIDE |
6829                                 BNX2_EMAC_LED_10MB_OVERRIDE |
6830                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6831                                 BNX2_EMAC_LED_TRAFFIC);
6832                 }
6833                 msleep_interruptible(500);
6834                 if (signal_pending(current))
6835                         break;
6836         }
6837         REG_WR(bp, BNX2_EMAC_LED, 0);
6838         REG_WR(bp, BNX2_MISC_CFG, save);
6839         return 0;
6840 }
6841
6842 static int
6843 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6844 {
6845         struct bnx2 *bp = netdev_priv(dev);
6846
6847         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6848                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6849         else
6850                 return (ethtool_op_set_tx_csum(dev, data));
6851 }
6852
6853 static const struct ethtool_ops bnx2_ethtool_ops = {
6854         .get_settings           = bnx2_get_settings,
6855         .set_settings           = bnx2_set_settings,
6856         .get_drvinfo            = bnx2_get_drvinfo,
6857         .get_regs_len           = bnx2_get_regs_len,
6858         .get_regs               = bnx2_get_regs,
6859         .get_wol                = bnx2_get_wol,
6860         .set_wol                = bnx2_set_wol,
6861         .nway_reset             = bnx2_nway_reset,
6862         .get_link               = ethtool_op_get_link,
6863         .get_eeprom_len         = bnx2_get_eeprom_len,
6864         .get_eeprom             = bnx2_get_eeprom,
6865         .set_eeprom             = bnx2_set_eeprom,
6866         .get_coalesce           = bnx2_get_coalesce,
6867         .set_coalesce           = bnx2_set_coalesce,
6868         .get_ringparam          = bnx2_get_ringparam,
6869         .set_ringparam          = bnx2_set_ringparam,
6870         .get_pauseparam         = bnx2_get_pauseparam,
6871         .set_pauseparam         = bnx2_set_pauseparam,
6872         .get_rx_csum            = bnx2_get_rx_csum,
6873         .set_rx_csum            = bnx2_set_rx_csum,
6874         .set_tx_csum            = bnx2_set_tx_csum,
6875         .set_sg                 = ethtool_op_set_sg,
6876         .set_tso                = bnx2_set_tso,
6877         .self_test              = bnx2_self_test,
6878         .get_strings            = bnx2_get_strings,
6879         .phys_id                = bnx2_phys_id,
6880         .get_ethtool_stats      = bnx2_get_ethtool_stats,
6881         .get_sset_count         = bnx2_get_sset_count,
6882 };
6883
6884 /* Called with rtnl_lock */
6885 static int
6886 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6887 {
6888         struct mii_ioctl_data *data = if_mii(ifr);
6889         struct bnx2 *bp = netdev_priv(dev);
6890         int err;
6891
6892         switch(cmd) {
6893         case SIOCGMIIPHY:
6894                 data->phy_id = bp->phy_addr;
6895
6896                 /* fallthru */
6897         case SIOCGMIIREG: {
6898                 u32 mii_regval;
6899
6900                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6901                         return -EOPNOTSUPP;
6902
6903                 if (!netif_running(dev))
6904                         return -EAGAIN;
6905
6906                 spin_lock_bh(&bp->phy_lock);
6907                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6908                 spin_unlock_bh(&bp->phy_lock);
6909
6910                 data->val_out = mii_regval;
6911
6912                 return err;
6913         }
6914
6915         case SIOCSMIIREG:
6916                 if (!capable(CAP_NET_ADMIN))
6917                         return -EPERM;
6918
6919                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6920                         return -EOPNOTSUPP;
6921
6922                 if (!netif_running(dev))
6923                         return -EAGAIN;
6924
6925                 spin_lock_bh(&bp->phy_lock);
6926                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6927                 spin_unlock_bh(&bp->phy_lock);
6928
6929                 return err;
6930
6931         default:
6932                 /* do nothing */
6933                 break;
6934         }
6935         return -EOPNOTSUPP;
6936 }
6937
6938 /* Called with rtnl_lock */
6939 static int
6940 bnx2_change_mac_addr(struct net_device *dev, void *p)
6941 {
6942         struct sockaddr *addr = p;
6943         struct bnx2 *bp = netdev_priv(dev);
6944
6945         if (!is_valid_ether_addr(addr->sa_data))
6946                 return -EINVAL;
6947
6948         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6949         if (netif_running(dev))
6950                 bnx2_set_mac_addr(bp);
6951
6952         return 0;
6953 }
6954
6955 /* Called with rtnl_lock */
6956 static int
6957 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6958 {
6959         struct bnx2 *bp = netdev_priv(dev);
6960
6961         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6962                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6963                 return -EINVAL;
6964
6965         dev->mtu = new_mtu;
6966         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6967 }
6968
6969 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6970 static void
6971 poll_bnx2(struct net_device *dev)
6972 {
6973         struct bnx2 *bp = netdev_priv(dev);
6974
6975         disable_irq(bp->pdev->irq);
6976         bnx2_interrupt(bp->pdev->irq, dev);
6977         enable_irq(bp->pdev->irq);
6978 }
6979 #endif
6980
6981 static void __devinit
6982 bnx2_get_5709_media(struct bnx2 *bp)
6983 {
6984         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6985         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6986         u32 strap;
6987
6988         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6989                 return;
6990         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6991                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6992                 return;
6993         }
6994
6995         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
6996                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
6997         else
6998                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
6999
7000         if (PCI_FUNC(bp->pdev->devfn) == 0) {
7001                 switch (strap) {
7002                 case 0x4:
7003                 case 0x5:
7004                 case 0x6:
7005                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7006                         return;
7007                 }
7008         } else {
7009                 switch (strap) {
7010                 case 0x1:
7011                 case 0x2:
7012                 case 0x4:
7013                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7014                         return;
7015                 }
7016         }
7017 }
7018
7019 static void __devinit
7020 bnx2_get_pci_speed(struct bnx2 *bp)
7021 {
7022         u32 reg;
7023
7024         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7025         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7026                 u32 clkreg;
7027
7028                 bp->flags |= BNX2_FLAG_PCIX;
7029
7030                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7031
7032                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7033                 switch (clkreg) {
7034                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7035                         bp->bus_speed_mhz = 133;
7036                         break;
7037
7038                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7039                         bp->bus_speed_mhz = 100;
7040                         break;
7041
7042                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7043                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7044                         bp->bus_speed_mhz = 66;
7045                         break;
7046
7047                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7048                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7049                         bp->bus_speed_mhz = 50;
7050                         break;
7051
7052                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7053                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7054                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7055                         bp->bus_speed_mhz = 33;
7056                         break;
7057                 }
7058         }
7059         else {
7060                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7061                         bp->bus_speed_mhz = 66;
7062                 else
7063                         bp->bus_speed_mhz = 33;
7064         }
7065
7066         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7067                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7068
7069 }
7070
7071 static int __devinit
7072 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7073 {
7074         struct bnx2 *bp;
7075         unsigned long mem_len;
7076         int rc, i, j;
7077         u32 reg;
7078         u64 dma_mask, persist_dma_mask;
7079
7080         SET_NETDEV_DEV(dev, &pdev->dev);
7081         bp = netdev_priv(dev);
7082
7083         bp->flags = 0;
7084         bp->phy_flags = 0;
7085
7086         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7087         rc = pci_enable_device(pdev);
7088         if (rc) {
7089                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7090                 goto err_out;
7091         }
7092
7093         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7094                 dev_err(&pdev->dev,
7095                         "Cannot find PCI device base address, aborting.\n");
7096                 rc = -ENODEV;
7097                 goto err_out_disable;
7098         }
7099
7100         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7101         if (rc) {
7102                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7103                 goto err_out_disable;
7104         }
7105
7106         pci_set_master(pdev);
7107
7108         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7109         if (bp->pm_cap == 0) {
7110                 dev_err(&pdev->dev,
7111                         "Cannot find power management capability, aborting.\n");
7112                 rc = -EIO;
7113                 goto err_out_release;
7114         }
7115
7116         bp->dev = dev;
7117         bp->pdev = pdev;
7118
7119         spin_lock_init(&bp->phy_lock);
7120         spin_lock_init(&bp->indirect_lock);
7121         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7122
7123         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7124         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7125         dev->mem_end = dev->mem_start + mem_len;
7126         dev->irq = pdev->irq;
7127
7128         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7129
7130         if (!bp->regview) {
7131                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7132                 rc = -ENOMEM;
7133                 goto err_out_release;
7134         }
7135
7136         /* Configure byte swap and enable write to the reg_window registers.
7137          * Rely on CPU to do target byte swapping on big endian systems
7138          * The chip's target access swapping will not swap all accesses
7139          */
7140         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7141                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7142                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7143
7144         bnx2_set_power_state(bp, PCI_D0);
7145
7146         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7147
7148         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7149                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7150                         dev_err(&pdev->dev,
7151                                 "Cannot find PCIE capability, aborting.\n");
7152                         rc = -EIO;
7153                         goto err_out_unmap;
7154                 }
7155                 bp->flags |= BNX2_FLAG_PCIE;
7156                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7157                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7158         } else {
7159                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7160                 if (bp->pcix_cap == 0) {
7161                         dev_err(&pdev->dev,
7162                                 "Cannot find PCIX capability, aborting.\n");
7163                         rc = -EIO;
7164                         goto err_out_unmap;
7165                 }
7166         }
7167
7168         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7169                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7170                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7171         }
7172
7173         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7174                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7175                         bp->flags |= BNX2_FLAG_MSI_CAP;
7176         }
7177
7178         /* 5708 cannot support DMA addresses > 40-bit.  */
7179         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7180                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7181         else
7182                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7183
7184         /* Configure DMA attributes. */
7185         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7186                 dev->features |= NETIF_F_HIGHDMA;
7187                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7188                 if (rc) {
7189                         dev_err(&pdev->dev,
7190                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7191                         goto err_out_unmap;
7192                 }
7193         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7194                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7195                 goto err_out_unmap;
7196         }
7197
7198         if (!(bp->flags & BNX2_FLAG_PCIE))
7199                 bnx2_get_pci_speed(bp);
7200
7201         /* 5706A0 may falsely detect SERR and PERR. */
7202         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7203                 reg = REG_RD(bp, PCI_COMMAND);
7204                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7205                 REG_WR(bp, PCI_COMMAND, reg);
7206         }
7207         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7208                 !(bp->flags & BNX2_FLAG_PCIX)) {
7209
7210                 dev_err(&pdev->dev,
7211                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7212                 goto err_out_unmap;
7213         }
7214
7215         bnx2_init_nvram(bp);
7216
7217         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7218
7219         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7220             BNX2_SHM_HDR_SIGNATURE_SIG) {
7221                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7222
7223                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7224         } else
7225                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7226
7227         /* Get the permanent MAC address.  First we need to make sure the
7228          * firmware is actually running.
7229          */
7230         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7231
7232         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7233             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7234                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7235                 rc = -ENODEV;
7236                 goto err_out_unmap;
7237         }
7238
7239         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7240         for (i = 0, j = 0; i < 3; i++) {
7241                 u8 num, k, skip0;
7242
7243                 num = (u8) (reg >> (24 - (i * 8)));
7244                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7245                         if (num >= k || !skip0 || k == 1) {
7246                                 bp->fw_version[j++] = (num / k) + '0';
7247                                 skip0 = 0;
7248                         }
7249                 }
7250                 if (i != 2)
7251                         bp->fw_version[j++] = '.';
7252         }
7253         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7254         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7255                 bp->wol = 1;
7256
7257         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7258                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7259
7260                 for (i = 0; i < 30; i++) {
7261                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7262                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7263                                 break;
7264                         msleep(10);
7265                 }
7266         }
7267         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7268         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7269         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7270             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7271                 int i;
7272                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7273
7274                 bp->fw_version[j++] = ' ';
7275                 for (i = 0; i < 3; i++) {
7276                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7277                         reg = swab32(reg);
7278                         memcpy(&bp->fw_version[j], &reg, 4);
7279                         j += 4;
7280                 }
7281         }
7282
7283         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7284         bp->mac_addr[0] = (u8) (reg >> 8);
7285         bp->mac_addr[1] = (u8) reg;
7286
7287         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7288         bp->mac_addr[2] = (u8) (reg >> 24);
7289         bp->mac_addr[3] = (u8) (reg >> 16);
7290         bp->mac_addr[4] = (u8) (reg >> 8);
7291         bp->mac_addr[5] = (u8) reg;
7292
7293         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7294
7295         bp->tx_ring_size = MAX_TX_DESC_CNT;
7296         bnx2_set_rx_ring_size(bp, 255);
7297
7298         bp->rx_csum = 1;
7299
7300         bp->tx_quick_cons_trip_int = 20;
7301         bp->tx_quick_cons_trip = 20;
7302         bp->tx_ticks_int = 80;
7303         bp->tx_ticks = 80;
7304
7305         bp->rx_quick_cons_trip_int = 6;
7306         bp->rx_quick_cons_trip = 6;
7307         bp->rx_ticks_int = 18;
7308         bp->rx_ticks = 18;
7309
7310         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7311
7312         bp->timer_interval =  HZ;
7313         bp->current_interval =  HZ;
7314
7315         bp->phy_addr = 1;
7316
7317         /* Disable WOL support if we are running on a SERDES chip. */
7318         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7319                 bnx2_get_5709_media(bp);
7320         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7321                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7322
7323         bp->phy_port = PORT_TP;
7324         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7325                 bp->phy_port = PORT_FIBRE;
7326                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7327                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7328                         bp->flags |= BNX2_FLAG_NO_WOL;
7329                         bp->wol = 0;
7330                 }
7331                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7332                         /* Don't do parallel detect on this board because of
7333                          * some board problems.  The link will not go down
7334                          * if we do parallel detect.
7335                          */
7336                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7337                             pdev->subsystem_device == 0x310c)
7338                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7339                 } else {
7340                         bp->phy_addr = 2;
7341                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7342                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7343                 }
7344                 bnx2_init_remote_phy(bp);
7345
7346         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7347                    CHIP_NUM(bp) == CHIP_NUM_5708)
7348                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7349         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7350                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7351                   CHIP_REV(bp) == CHIP_REV_Bx))
7352                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7353
7354         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7355             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7356             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7357                 bp->flags |= BNX2_FLAG_NO_WOL;
7358                 bp->wol = 0;
7359         }
7360
7361         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7362                 bp->tx_quick_cons_trip_int =
7363                         bp->tx_quick_cons_trip;
7364                 bp->tx_ticks_int = bp->tx_ticks;
7365                 bp->rx_quick_cons_trip_int =
7366                         bp->rx_quick_cons_trip;
7367                 bp->rx_ticks_int = bp->rx_ticks;
7368                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7369                 bp->com_ticks_int = bp->com_ticks;
7370                 bp->cmd_ticks_int = bp->cmd_ticks;
7371         }
7372
7373         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7374          *
7375          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7376          * with byte enables disabled on the unused 32-bit word.  This is legal
7377          * but causes problems on the AMD 8132 which will eventually stop
7378          * responding after a while.
7379          *
7380          * AMD believes this incompatibility is unique to the 5706, and
7381          * prefers to locally disable MSI rather than globally disabling it.
7382          */
7383         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7384                 struct pci_dev *amd_8132 = NULL;
7385
7386                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7387                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7388                                                   amd_8132))) {
7389
7390                         if (amd_8132->revision >= 0x10 &&
7391                             amd_8132->revision <= 0x13) {
7392                                 disable_msi = 1;
7393                                 pci_dev_put(amd_8132);
7394                                 break;
7395                         }
7396                 }
7397         }
7398
7399         bnx2_set_default_link(bp);
7400         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7401
7402         init_timer(&bp->timer);
7403         bp->timer.expires = RUN_AT(bp->timer_interval);
7404         bp->timer.data = (unsigned long) bp;
7405         bp->timer.function = bnx2_timer;
7406
7407         return 0;
7408
7409 err_out_unmap:
7410         if (bp->regview) {
7411                 iounmap(bp->regview);
7412                 bp->regview = NULL;
7413         }
7414
7415 err_out_release:
7416         pci_release_regions(pdev);
7417
7418 err_out_disable:
7419         pci_disable_device(pdev);
7420         pci_set_drvdata(pdev, NULL);
7421
7422 err_out:
7423         return rc;
7424 }
7425
7426 static char * __devinit
7427 bnx2_bus_string(struct bnx2 *bp, char *str)
7428 {
7429         char *s = str;
7430
7431         if (bp->flags & BNX2_FLAG_PCIE) {
7432                 s += sprintf(s, "PCI Express");
7433         } else {
7434                 s += sprintf(s, "PCI");
7435                 if (bp->flags & BNX2_FLAG_PCIX)
7436                         s += sprintf(s, "-X");
7437                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7438                         s += sprintf(s, " 32-bit");
7439                 else
7440                         s += sprintf(s, " 64-bit");
7441                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7442         }
7443         return str;
7444 }
7445
7446 static void __devinit
7447 bnx2_init_napi(struct bnx2 *bp)
7448 {
7449         int i;
7450         struct bnx2_napi *bnapi;
7451
7452         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7453                 bnapi = &bp->bnx2_napi[i];
7454                 bnapi->bp = bp;
7455         }
7456         netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7457         netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7458                        64);
7459 }
7460
7461 static int __devinit
7462 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7463 {
7464         static int version_printed = 0;
7465         struct net_device *dev = NULL;
7466         struct bnx2 *bp;
7467         int rc;
7468         char str[40];
7469         DECLARE_MAC_BUF(mac);
7470
7471         if (version_printed++ == 0)
7472                 printk(KERN_INFO "%s", version);
7473
7474         /* dev zeroed in init_etherdev */
7475         dev = alloc_etherdev(sizeof(*bp));
7476
7477         if (!dev)
7478                 return -ENOMEM;
7479
7480         rc = bnx2_init_board(pdev, dev);
7481         if (rc < 0) {
7482                 free_netdev(dev);
7483                 return rc;
7484         }
7485
7486         dev->open = bnx2_open;
7487         dev->hard_start_xmit = bnx2_start_xmit;
7488         dev->stop = bnx2_close;
7489         dev->get_stats = bnx2_get_stats;
7490         dev->set_multicast_list = bnx2_set_rx_mode;
7491         dev->do_ioctl = bnx2_ioctl;
7492         dev->set_mac_address = bnx2_change_mac_addr;
7493         dev->change_mtu = bnx2_change_mtu;
7494         dev->tx_timeout = bnx2_tx_timeout;
7495         dev->watchdog_timeo = TX_TIMEOUT;
7496 #ifdef BCM_VLAN
7497         dev->vlan_rx_register = bnx2_vlan_rx_register;
7498 #endif
7499         dev->ethtool_ops = &bnx2_ethtool_ops;
7500
7501         bp = netdev_priv(dev);
7502         bnx2_init_napi(bp);
7503
7504 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7505         dev->poll_controller = poll_bnx2;
7506 #endif
7507
7508         pci_set_drvdata(pdev, dev);
7509
7510         memcpy(dev->dev_addr, bp->mac_addr, 6);
7511         memcpy(dev->perm_addr, bp->mac_addr, 6);
7512         bp->name = board_info[ent->driver_data].name;
7513
7514         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7515         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7516                 dev->features |= NETIF_F_IPV6_CSUM;
7517
7518 #ifdef BCM_VLAN
7519         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7520 #endif
7521         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7522         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7523                 dev->features |= NETIF_F_TSO6;
7524
7525         if ((rc = register_netdev(dev))) {
7526                 dev_err(&pdev->dev, "Cannot register net device\n");
7527                 if (bp->regview)
7528                         iounmap(bp->regview);
7529                 pci_release_regions(pdev);
7530                 pci_disable_device(pdev);
7531                 pci_set_drvdata(pdev, NULL);
7532                 free_netdev(dev);
7533                 return rc;
7534         }
7535
7536         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7537                 "IRQ %d, node addr %s\n",
7538                 dev->name,
7539                 bp->name,
7540                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7541                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7542                 bnx2_bus_string(bp, str),
7543                 dev->base_addr,
7544                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7545
7546         return 0;
7547 }
7548
7549 static void __devexit
7550 bnx2_remove_one(struct pci_dev *pdev)
7551 {
7552         struct net_device *dev = pci_get_drvdata(pdev);
7553         struct bnx2 *bp = netdev_priv(dev);
7554
7555         flush_scheduled_work();
7556
7557         unregister_netdev(dev);
7558
7559         if (bp->regview)
7560                 iounmap(bp->regview);
7561
7562         free_netdev(dev);
7563         pci_release_regions(pdev);
7564         pci_disable_device(pdev);
7565         pci_set_drvdata(pdev, NULL);
7566 }
7567
7568 static int
7569 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7570 {
7571         struct net_device *dev = pci_get_drvdata(pdev);
7572         struct bnx2 *bp = netdev_priv(dev);
7573         u32 reset_code;
7574
7575         /* PCI register 4 needs to be saved whether netif_running() or not.
7576          * MSI address and data need to be saved if using MSI and
7577          * netif_running().
7578          */
7579         pci_save_state(pdev);
7580         if (!netif_running(dev))
7581                 return 0;
7582
7583         flush_scheduled_work();
7584         bnx2_netif_stop(bp);
7585         netif_device_detach(dev);
7586         del_timer_sync(&bp->timer);
7587         if (bp->flags & BNX2_FLAG_NO_WOL)
7588                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7589         else if (bp->wol)
7590                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7591         else
7592                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7593         bnx2_reset_chip(bp, reset_code);
7594         bnx2_free_skbs(bp);
7595         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7596         return 0;
7597 }
7598
7599 static int
7600 bnx2_resume(struct pci_dev *pdev)
7601 {
7602         struct net_device *dev = pci_get_drvdata(pdev);
7603         struct bnx2 *bp = netdev_priv(dev);
7604
7605         pci_restore_state(pdev);
7606         if (!netif_running(dev))
7607                 return 0;
7608
7609         bnx2_set_power_state(bp, PCI_D0);
7610         netif_device_attach(dev);
7611         bnx2_init_nic(bp);
7612         bnx2_netif_start(bp);
7613         return 0;
7614 }
7615
7616 static struct pci_driver bnx2_pci_driver = {
7617         .name           = DRV_MODULE_NAME,
7618         .id_table       = bnx2_pci_tbl,
7619         .probe          = bnx2_init_one,
7620         .remove         = __devexit_p(bnx2_remove_one),
7621         .suspend        = bnx2_suspend,
7622         .resume         = bnx2_resume,
7623 };
7624
7625 static int __init bnx2_init(void)
7626 {
7627         return pci_register_driver(&bnx2_pci_driver);
7628 }
7629
7630 static void __exit bnx2_cleanup(void)
7631 {
7632         pci_unregister_driver(&bnx2_pci_driver);
7633 }
7634
7635 module_init(bnx2_init);
7636 module_exit(bnx2_cleanup);
7637
7638
7639