]> nv-tegra.nvidia Code Review - linux-3.10.git/blob - drivers/net/bnx2.c
net: fix returning void-valued expression warnings
[linux-3.10.git] / 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                 spin_lock(&bp->phy_lock);
1721                 bp->flow_ctrl = 0;
1722                 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1723                     (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1724                         if (bp->duplex == DUPLEX_FULL)
1725                                 bp->flow_ctrl = bp->req_flow_ctrl;
1726                 } else {
1727                         if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1728                                 bp->flow_ctrl |= FLOW_CTRL_TX;
1729                         if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1730                                 bp->flow_ctrl |= FLOW_CTRL_RX;
1731                 }
1732
1733                 old_port = bp->phy_port;
1734                 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1735                         bp->phy_port = PORT_FIBRE;
1736                 else
1737                         bp->phy_port = PORT_TP;
1738
1739                 if (old_port != bp->phy_port)
1740                         bnx2_set_default_link(bp);
1741
1742                 spin_unlock(&bp->phy_lock);
1743         }
1744         if (bp->link_up != link_up)
1745                 bnx2_report_link(bp);
1746
1747         bnx2_set_mac_link(bp);
1748 }
1749
1750 static int
1751 bnx2_set_remote_link(struct bnx2 *bp)
1752 {
1753         u32 evt_code;
1754
1755         evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1756         switch (evt_code) {
1757                 case BNX2_FW_EVT_CODE_LINK_EVENT:
1758                         bnx2_remote_phy_event(bp);
1759                         break;
1760                 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1761                 default:
1762                         bnx2_send_heart_beat(bp);
1763                         break;
1764         }
1765         return 0;
1766 }
1767
1768 static int
1769 bnx2_setup_copper_phy(struct bnx2 *bp)
1770 {
1771         u32 bmcr;
1772         u32 new_bmcr;
1773
1774         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1775
1776         if (bp->autoneg & AUTONEG_SPEED) {
1777                 u32 adv_reg, adv1000_reg;
1778                 u32 new_adv_reg = 0;
1779                 u32 new_adv1000_reg = 0;
1780
1781                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1782                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1783                         ADVERTISE_PAUSE_ASYM);
1784
1785                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1786                 adv1000_reg &= PHY_ALL_1000_SPEED;
1787
1788                 if (bp->advertising & ADVERTISED_10baseT_Half)
1789                         new_adv_reg |= ADVERTISE_10HALF;
1790                 if (bp->advertising & ADVERTISED_10baseT_Full)
1791                         new_adv_reg |= ADVERTISE_10FULL;
1792                 if (bp->advertising & ADVERTISED_100baseT_Half)
1793                         new_adv_reg |= ADVERTISE_100HALF;
1794                 if (bp->advertising & ADVERTISED_100baseT_Full)
1795                         new_adv_reg |= ADVERTISE_100FULL;
1796                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1797                         new_adv1000_reg |= ADVERTISE_1000FULL;
1798
1799                 new_adv_reg |= ADVERTISE_CSMA;
1800
1801                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1802
1803                 if ((adv1000_reg != new_adv1000_reg) ||
1804                         (adv_reg != new_adv_reg) ||
1805                         ((bmcr & BMCR_ANENABLE) == 0)) {
1806
1807                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1808                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1809                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1810                                 BMCR_ANENABLE);
1811                 }
1812                 else if (bp->link_up) {
1813                         /* Flow ctrl may have changed from auto to forced */
1814                         /* or vice-versa. */
1815
1816                         bnx2_resolve_flow_ctrl(bp);
1817                         bnx2_set_mac_link(bp);
1818                 }
1819                 return 0;
1820         }
1821
1822         new_bmcr = 0;
1823         if (bp->req_line_speed == SPEED_100) {
1824                 new_bmcr |= BMCR_SPEED100;
1825         }
1826         if (bp->req_duplex == DUPLEX_FULL) {
1827                 new_bmcr |= BMCR_FULLDPLX;
1828         }
1829         if (new_bmcr != bmcr) {
1830                 u32 bmsr;
1831
1832                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1833                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1834
1835                 if (bmsr & BMSR_LSTATUS) {
1836                         /* Force link down */
1837                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1838                         spin_unlock_bh(&bp->phy_lock);
1839                         msleep(50);
1840                         spin_lock_bh(&bp->phy_lock);
1841
1842                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1843                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1844                 }
1845
1846                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1847
1848                 /* Normally, the new speed is setup after the link has
1849                  * gone down and up again. In some cases, link will not go
1850                  * down so we need to set up the new speed here.
1851                  */
1852                 if (bmsr & BMSR_LSTATUS) {
1853                         bp->line_speed = bp->req_line_speed;
1854                         bp->duplex = bp->req_duplex;
1855                         bnx2_resolve_flow_ctrl(bp);
1856                         bnx2_set_mac_link(bp);
1857                 }
1858         } else {
1859                 bnx2_resolve_flow_ctrl(bp);
1860                 bnx2_set_mac_link(bp);
1861         }
1862         return 0;
1863 }
1864
1865 static int
1866 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1867 {
1868         if (bp->loopback == MAC_LOOPBACK)
1869                 return 0;
1870
1871         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1872                 return (bnx2_setup_serdes_phy(bp, port));
1873         }
1874         else {
1875                 return (bnx2_setup_copper_phy(bp));
1876         }
1877 }
1878
1879 static int
1880 bnx2_init_5709s_phy(struct bnx2 *bp)
1881 {
1882         u32 val;
1883
1884         bp->mii_bmcr = MII_BMCR + 0x10;
1885         bp->mii_bmsr = MII_BMSR + 0x10;
1886         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1887         bp->mii_adv = MII_ADVERTISE + 0x10;
1888         bp->mii_lpa = MII_LPA + 0x10;
1889         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1890
1891         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1892         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1893
1894         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1895         bnx2_reset_phy(bp);
1896
1897         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1898
1899         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1900         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1901         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1902         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1903
1904         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1905         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1906         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1907                 val |= BCM5708S_UP1_2G5;
1908         else
1909                 val &= ~BCM5708S_UP1_2G5;
1910         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1911
1912         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1913         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1914         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1915         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1916
1917         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1918
1919         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1920               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1921         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1922
1923         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1924
1925         return 0;
1926 }
1927
1928 static int
1929 bnx2_init_5708s_phy(struct bnx2 *bp)
1930 {
1931         u32 val;
1932
1933         bnx2_reset_phy(bp);
1934
1935         bp->mii_up1 = BCM5708S_UP1;
1936
1937         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1938         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1939         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1940
1941         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1942         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1943         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1944
1945         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1946         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1947         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1948
1949         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
1950                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1951                 val |= BCM5708S_UP1_2G5;
1952                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1953         }
1954
1955         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1956             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1957             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1958                 /* increase tx signal amplitude */
1959                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1960                                BCM5708S_BLK_ADDR_TX_MISC);
1961                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1962                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1963                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1964                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1965         }
1966
1967         val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
1968               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1969
1970         if (val) {
1971                 u32 is_backplane;
1972
1973                 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
1974                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1975                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1976                                        BCM5708S_BLK_ADDR_TX_MISC);
1977                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1978                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1979                                        BCM5708S_BLK_ADDR_DIG);
1980                 }
1981         }
1982         return 0;
1983 }
1984
1985 static int
1986 bnx2_init_5706s_phy(struct bnx2 *bp)
1987 {
1988         bnx2_reset_phy(bp);
1989
1990         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1991
1992         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1993                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1994
1995         if (bp->dev->mtu > 1500) {
1996                 u32 val;
1997
1998                 /* Set extended packet length bit */
1999                 bnx2_write_phy(bp, 0x18, 0x7);
2000                 bnx2_read_phy(bp, 0x18, &val);
2001                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2002
2003                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2004                 bnx2_read_phy(bp, 0x1c, &val);
2005                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2006         }
2007         else {
2008                 u32 val;
2009
2010                 bnx2_write_phy(bp, 0x18, 0x7);
2011                 bnx2_read_phy(bp, 0x18, &val);
2012                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2013
2014                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2015                 bnx2_read_phy(bp, 0x1c, &val);
2016                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2017         }
2018
2019         return 0;
2020 }
2021
2022 static int
2023 bnx2_init_copper_phy(struct bnx2 *bp)
2024 {
2025         u32 val;
2026
2027         bnx2_reset_phy(bp);
2028
2029         if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2030                 bnx2_write_phy(bp, 0x18, 0x0c00);
2031                 bnx2_write_phy(bp, 0x17, 0x000a);
2032                 bnx2_write_phy(bp, 0x15, 0x310b);
2033                 bnx2_write_phy(bp, 0x17, 0x201f);
2034                 bnx2_write_phy(bp, 0x15, 0x9506);
2035                 bnx2_write_phy(bp, 0x17, 0x401f);
2036                 bnx2_write_phy(bp, 0x15, 0x14e2);
2037                 bnx2_write_phy(bp, 0x18, 0x0400);
2038         }
2039
2040         if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2041                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2042                                MII_BNX2_DSP_EXPAND_REG | 0x8);
2043                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2044                 val &= ~(1 << 8);
2045                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2046         }
2047
2048         if (bp->dev->mtu > 1500) {
2049                 /* Set extended packet length bit */
2050                 bnx2_write_phy(bp, 0x18, 0x7);
2051                 bnx2_read_phy(bp, 0x18, &val);
2052                 bnx2_write_phy(bp, 0x18, val | 0x4000);
2053
2054                 bnx2_read_phy(bp, 0x10, &val);
2055                 bnx2_write_phy(bp, 0x10, val | 0x1);
2056         }
2057         else {
2058                 bnx2_write_phy(bp, 0x18, 0x7);
2059                 bnx2_read_phy(bp, 0x18, &val);
2060                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2061
2062                 bnx2_read_phy(bp, 0x10, &val);
2063                 bnx2_write_phy(bp, 0x10, val & ~0x1);
2064         }
2065
2066         /* ethernet@wirespeed */
2067         bnx2_write_phy(bp, 0x18, 0x7007);
2068         bnx2_read_phy(bp, 0x18, &val);
2069         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2070         return 0;
2071 }
2072
2073
2074 static int
2075 bnx2_init_phy(struct bnx2 *bp)
2076 {
2077         u32 val;
2078         int rc = 0;
2079
2080         bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2081         bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2082
2083         bp->mii_bmcr = MII_BMCR;
2084         bp->mii_bmsr = MII_BMSR;
2085         bp->mii_bmsr1 = MII_BMSR;
2086         bp->mii_adv = MII_ADVERTISE;
2087         bp->mii_lpa = MII_LPA;
2088
2089         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2090
2091         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2092                 goto setup_phy;
2093
2094         bnx2_read_phy(bp, MII_PHYSID1, &val);
2095         bp->phy_id = val << 16;
2096         bnx2_read_phy(bp, MII_PHYSID2, &val);
2097         bp->phy_id |= val & 0xffff;
2098
2099         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2100                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2101                         rc = bnx2_init_5706s_phy(bp);
2102                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2103                         rc = bnx2_init_5708s_phy(bp);
2104                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2105                         rc = bnx2_init_5709s_phy(bp);
2106         }
2107         else {
2108                 rc = bnx2_init_copper_phy(bp);
2109         }
2110
2111 setup_phy:
2112         if (!rc)
2113                 rc = bnx2_setup_phy(bp, bp->phy_port);
2114
2115         return rc;
2116 }
2117
2118 static int
2119 bnx2_set_mac_loopback(struct bnx2 *bp)
2120 {
2121         u32 mac_mode;
2122
2123         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2124         mac_mode &= ~BNX2_EMAC_MODE_PORT;
2125         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2126         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2127         bp->link_up = 1;
2128         return 0;
2129 }
2130
2131 static int bnx2_test_link(struct bnx2 *);
2132
2133 static int
2134 bnx2_set_phy_loopback(struct bnx2 *bp)
2135 {
2136         u32 mac_mode;
2137         int rc, i;
2138
2139         spin_lock_bh(&bp->phy_lock);
2140         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2141                             BMCR_SPEED1000);
2142         spin_unlock_bh(&bp->phy_lock);
2143         if (rc)
2144                 return rc;
2145
2146         for (i = 0; i < 10; i++) {
2147                 if (bnx2_test_link(bp) == 0)
2148                         break;
2149                 msleep(100);
2150         }
2151
2152         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2153         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2154                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2155                       BNX2_EMAC_MODE_25G_MODE);
2156
2157         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2158         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2159         bp->link_up = 1;
2160         return 0;
2161 }
2162
2163 static int
2164 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2165 {
2166         int i;
2167         u32 val;
2168
2169         bp->fw_wr_seq++;
2170         msg_data |= bp->fw_wr_seq;
2171
2172         bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2173
2174         /* wait for an acknowledgement. */
2175         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2176                 msleep(10);
2177
2178                 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2179
2180                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2181                         break;
2182         }
2183         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2184                 return 0;
2185
2186         /* If we timed out, inform the firmware that this is the case. */
2187         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2188                 if (!silent)
2189                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
2190                                             "%x\n", msg_data);
2191
2192                 msg_data &= ~BNX2_DRV_MSG_CODE;
2193                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2194
2195                 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2196
2197                 return -EBUSY;
2198         }
2199
2200         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2201                 return -EIO;
2202
2203         return 0;
2204 }
2205
2206 static int
2207 bnx2_init_5709_context(struct bnx2 *bp)
2208 {
2209         int i, ret = 0;
2210         u32 val;
2211
2212         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2213         val |= (BCM_PAGE_BITS - 8) << 16;
2214         REG_WR(bp, BNX2_CTX_COMMAND, val);
2215         for (i = 0; i < 10; i++) {
2216                 val = REG_RD(bp, BNX2_CTX_COMMAND);
2217                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2218                         break;
2219                 udelay(2);
2220         }
2221         if (val & BNX2_CTX_COMMAND_MEM_INIT)
2222                 return -EBUSY;
2223
2224         for (i = 0; i < bp->ctx_pages; i++) {
2225                 int j;
2226
2227                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2228                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2229                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2230                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2231                        (u64) bp->ctx_blk_mapping[i] >> 32);
2232                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2233                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2234                 for (j = 0; j < 10; j++) {
2235
2236                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2237                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2238                                 break;
2239                         udelay(5);
2240                 }
2241                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2242                         ret = -EBUSY;
2243                         break;
2244                 }
2245         }
2246         return ret;
2247 }
2248
2249 static void
2250 bnx2_init_context(struct bnx2 *bp)
2251 {
2252         u32 vcid;
2253
2254         vcid = 96;
2255         while (vcid) {
2256                 u32 vcid_addr, pcid_addr, offset;
2257                 int i;
2258
2259                 vcid--;
2260
2261                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2262                         u32 new_vcid;
2263
2264                         vcid_addr = GET_PCID_ADDR(vcid);
2265                         if (vcid & 0x8) {
2266                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2267                         }
2268                         else {
2269                                 new_vcid = vcid;
2270                         }
2271                         pcid_addr = GET_PCID_ADDR(new_vcid);
2272                 }
2273                 else {
2274                         vcid_addr = GET_CID_ADDR(vcid);
2275                         pcid_addr = vcid_addr;
2276                 }
2277
2278                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2279                         vcid_addr += (i << PHY_CTX_SHIFT);
2280                         pcid_addr += (i << PHY_CTX_SHIFT);
2281
2282                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2283                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2284
2285                         /* Zero out the context. */
2286                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2287                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2288                 }
2289         }
2290 }
2291
2292 static int
2293 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2294 {
2295         u16 *good_mbuf;
2296         u32 good_mbuf_cnt;
2297         u32 val;
2298
2299         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2300         if (good_mbuf == NULL) {
2301                 printk(KERN_ERR PFX "Failed to allocate memory in "
2302                                     "bnx2_alloc_bad_rbuf\n");
2303                 return -ENOMEM;
2304         }
2305
2306         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2307                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2308
2309         good_mbuf_cnt = 0;
2310
2311         /* Allocate a bunch of mbufs and save the good ones in an array. */
2312         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2313         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2314                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2315                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2316
2317                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2318
2319                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2320
2321                 /* The addresses with Bit 9 set are bad memory blocks. */
2322                 if (!(val & (1 << 9))) {
2323                         good_mbuf[good_mbuf_cnt] = (u16) val;
2324                         good_mbuf_cnt++;
2325                 }
2326
2327                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2328         }
2329
2330         /* Free the good ones back to the mbuf pool thus discarding
2331          * all the bad ones. */
2332         while (good_mbuf_cnt) {
2333                 good_mbuf_cnt--;
2334
2335                 val = good_mbuf[good_mbuf_cnt];
2336                 val = (val << 9) | val | 1;
2337
2338                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2339         }
2340         kfree(good_mbuf);
2341         return 0;
2342 }
2343
2344 static void
2345 bnx2_set_mac_addr(struct bnx2 *bp)
2346 {
2347         u32 val;
2348         u8 *mac_addr = bp->dev->dev_addr;
2349
2350         val = (mac_addr[0] << 8) | mac_addr[1];
2351
2352         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2353
2354         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2355                 (mac_addr[4] << 8) | mac_addr[5];
2356
2357         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2358 }
2359
2360 static inline int
2361 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2362 {
2363         dma_addr_t mapping;
2364         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2365         struct rx_bd *rxbd =
2366                 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2367         struct page *page = alloc_page(GFP_ATOMIC);
2368
2369         if (!page)
2370                 return -ENOMEM;
2371         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2372                                PCI_DMA_FROMDEVICE);
2373         rx_pg->page = page;
2374         pci_unmap_addr_set(rx_pg, mapping, mapping);
2375         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2376         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2377         return 0;
2378 }
2379
2380 static void
2381 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2382 {
2383         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2384         struct page *page = rx_pg->page;
2385
2386         if (!page)
2387                 return;
2388
2389         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2390                        PCI_DMA_FROMDEVICE);
2391
2392         __free_page(page);
2393         rx_pg->page = NULL;
2394 }
2395
2396 static inline int
2397 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2398 {
2399         struct sk_buff *skb;
2400         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2401         dma_addr_t mapping;
2402         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2403         unsigned long align;
2404
2405         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2406         if (skb == NULL) {
2407                 return -ENOMEM;
2408         }
2409
2410         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2411                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2412
2413         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2414                 PCI_DMA_FROMDEVICE);
2415
2416         rx_buf->skb = skb;
2417         pci_unmap_addr_set(rx_buf, mapping, mapping);
2418
2419         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2420         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2421
2422         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2423
2424         return 0;
2425 }
2426
2427 static int
2428 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2429 {
2430         struct status_block *sblk = bnapi->status_blk;
2431         u32 new_link_state, old_link_state;
2432         int is_set = 1;
2433
2434         new_link_state = sblk->status_attn_bits & event;
2435         old_link_state = sblk->status_attn_bits_ack & event;
2436         if (new_link_state != old_link_state) {
2437                 if (new_link_state)
2438                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2439                 else
2440                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2441         } else
2442                 is_set = 0;
2443
2444         return is_set;
2445 }
2446
2447 static void
2448 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2449 {
2450         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
2451                 spin_lock(&bp->phy_lock);
2452                 bnx2_set_link(bp);
2453                 spin_unlock(&bp->phy_lock);
2454         }
2455         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2456                 bnx2_set_remote_link(bp);
2457
2458 }
2459
2460 static inline u16
2461 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2462 {
2463         u16 cons;
2464
2465         if (bnapi->int_num == 0)
2466                 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2467         else
2468                 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2469
2470         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2471                 cons++;
2472         return cons;
2473 }
2474
2475 static int
2476 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2477 {
2478         u16 hw_cons, sw_cons, sw_ring_cons;
2479         int tx_pkt = 0;
2480
2481         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2482         sw_cons = bnapi->tx_cons;
2483
2484         while (sw_cons != hw_cons) {
2485                 struct sw_bd *tx_buf;
2486                 struct sk_buff *skb;
2487                 int i, last;
2488
2489                 sw_ring_cons = TX_RING_IDX(sw_cons);
2490
2491                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2492                 skb = tx_buf->skb;
2493
2494                 /* partial BD completions possible with TSO packets */
2495                 if (skb_is_gso(skb)) {
2496                         u16 last_idx, last_ring_idx;
2497
2498                         last_idx = sw_cons +
2499                                 skb_shinfo(skb)->nr_frags + 1;
2500                         last_ring_idx = sw_ring_cons +
2501                                 skb_shinfo(skb)->nr_frags + 1;
2502                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2503                                 last_idx++;
2504                         }
2505                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2506                                 break;
2507                         }
2508                 }
2509
2510                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2511                         skb_headlen(skb), PCI_DMA_TODEVICE);
2512
2513                 tx_buf->skb = NULL;
2514                 last = skb_shinfo(skb)->nr_frags;
2515
2516                 for (i = 0; i < last; i++) {
2517                         sw_cons = NEXT_TX_BD(sw_cons);
2518
2519                         pci_unmap_page(bp->pdev,
2520                                 pci_unmap_addr(
2521                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2522                                         mapping),
2523                                 skb_shinfo(skb)->frags[i].size,
2524                                 PCI_DMA_TODEVICE);
2525                 }
2526
2527                 sw_cons = NEXT_TX_BD(sw_cons);
2528
2529                 dev_kfree_skb(skb);
2530                 tx_pkt++;
2531                 if (tx_pkt == budget)
2532                         break;
2533
2534                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2535         }
2536
2537         bnapi->hw_tx_cons = hw_cons;
2538         bnapi->tx_cons = sw_cons;
2539         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2540          * before checking for netif_queue_stopped().  Without the
2541          * memory barrier, there is a small possibility that bnx2_start_xmit()
2542          * will miss it and cause the queue to be stopped forever.
2543          */
2544         smp_mb();
2545
2546         if (unlikely(netif_queue_stopped(bp->dev)) &&
2547                      (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2548                 netif_tx_lock(bp->dev);
2549                 if ((netif_queue_stopped(bp->dev)) &&
2550                     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2551                         netif_wake_queue(bp->dev);
2552                 netif_tx_unlock(bp->dev);
2553         }
2554         return tx_pkt;
2555 }
2556
2557 static void
2558 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2559                         struct sk_buff *skb, int count)
2560 {
2561         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2562         struct rx_bd *cons_bd, *prod_bd;
2563         dma_addr_t mapping;
2564         int i;
2565         u16 hw_prod = bnapi->rx_pg_prod, prod;
2566         u16 cons = bnapi->rx_pg_cons;
2567
2568         for (i = 0; i < count; i++) {
2569                 prod = RX_PG_RING_IDX(hw_prod);
2570
2571                 prod_rx_pg = &bp->rx_pg_ring[prod];
2572                 cons_rx_pg = &bp->rx_pg_ring[cons];
2573                 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2574                 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2575
2576                 if (i == 0 && skb) {
2577                         struct page *page;
2578                         struct skb_shared_info *shinfo;
2579
2580                         shinfo = skb_shinfo(skb);
2581                         shinfo->nr_frags--;
2582                         page = shinfo->frags[shinfo->nr_frags].page;
2583                         shinfo->frags[shinfo->nr_frags].page = NULL;
2584                         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2585                                                PCI_DMA_FROMDEVICE);
2586                         cons_rx_pg->page = page;
2587                         pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2588                         dev_kfree_skb(skb);
2589                 }
2590                 if (prod != cons) {
2591                         prod_rx_pg->page = cons_rx_pg->page;
2592                         cons_rx_pg->page = NULL;
2593                         pci_unmap_addr_set(prod_rx_pg, mapping,
2594                                 pci_unmap_addr(cons_rx_pg, mapping));
2595
2596                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2597                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2598
2599                 }
2600                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2601                 hw_prod = NEXT_RX_BD(hw_prod);
2602         }
2603         bnapi->rx_pg_prod = hw_prod;
2604         bnapi->rx_pg_cons = cons;
2605 }
2606
2607 static inline void
2608 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2609         u16 cons, u16 prod)
2610 {
2611         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2612         struct rx_bd *cons_bd, *prod_bd;
2613
2614         cons_rx_buf = &bp->rx_buf_ring[cons];
2615         prod_rx_buf = &bp->rx_buf_ring[prod];
2616
2617         pci_dma_sync_single_for_device(bp->pdev,
2618                 pci_unmap_addr(cons_rx_buf, mapping),
2619                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2620
2621         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2622
2623         prod_rx_buf->skb = skb;
2624
2625         if (cons == prod)
2626                 return;
2627
2628         pci_unmap_addr_set(prod_rx_buf, mapping,
2629                         pci_unmap_addr(cons_rx_buf, mapping));
2630
2631         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2632         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2633         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2634         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2635 }
2636
2637 static int
2638 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2639             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2640             u32 ring_idx)
2641 {
2642         int err;
2643         u16 prod = ring_idx & 0xffff;
2644
2645         err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2646         if (unlikely(err)) {
2647                 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2648                 if (hdr_len) {
2649                         unsigned int raw_len = len + 4;
2650                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2651
2652                         bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2653                 }
2654                 return err;
2655         }
2656
2657         skb_reserve(skb, bp->rx_offset);
2658         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2659                          PCI_DMA_FROMDEVICE);
2660
2661         if (hdr_len == 0) {
2662                 skb_put(skb, len);
2663                 return 0;
2664         } else {
2665                 unsigned int i, frag_len, frag_size, pages;
2666                 struct sw_pg *rx_pg;
2667                 u16 pg_cons = bnapi->rx_pg_cons;
2668                 u16 pg_prod = bnapi->rx_pg_prod;
2669
2670                 frag_size = len + 4 - hdr_len;
2671                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2672                 skb_put(skb, hdr_len);
2673
2674                 for (i = 0; i < pages; i++) {
2675                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2676                         if (unlikely(frag_len <= 4)) {
2677                                 unsigned int tail = 4 - frag_len;
2678
2679                                 bnapi->rx_pg_cons = pg_cons;
2680                                 bnapi->rx_pg_prod = pg_prod;
2681                                 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2682                                                         pages - i);
2683                                 skb->len -= tail;
2684                                 if (i == 0) {
2685                                         skb->tail -= tail;
2686                                 } else {
2687                                         skb_frag_t *frag =
2688                                                 &skb_shinfo(skb)->frags[i - 1];
2689                                         frag->size -= tail;
2690                                         skb->data_len -= tail;
2691                                         skb->truesize -= tail;
2692                                 }
2693                                 return 0;
2694                         }
2695                         rx_pg = &bp->rx_pg_ring[pg_cons];
2696
2697                         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2698                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2699
2700                         if (i == pages - 1)
2701                                 frag_len -= 4;
2702
2703                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2704                         rx_pg->page = NULL;
2705
2706                         err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2707                         if (unlikely(err)) {
2708                                 bnapi->rx_pg_cons = pg_cons;
2709                                 bnapi->rx_pg_prod = pg_prod;
2710                                 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2711                                                         pages - i);
2712                                 return err;
2713                         }
2714
2715                         frag_size -= frag_len;
2716                         skb->data_len += frag_len;
2717                         skb->truesize += frag_len;
2718                         skb->len += frag_len;
2719
2720                         pg_prod = NEXT_RX_BD(pg_prod);
2721                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2722                 }
2723                 bnapi->rx_pg_prod = pg_prod;
2724                 bnapi->rx_pg_cons = pg_cons;
2725         }
2726         return 0;
2727 }
2728
2729 static inline u16
2730 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2731 {
2732         u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2733
2734         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2735                 cons++;
2736         return cons;
2737 }
2738
2739 static int
2740 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2741 {
2742         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2743         struct l2_fhdr *rx_hdr;
2744         int rx_pkt = 0, pg_ring_used = 0;
2745
2746         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2747         sw_cons = bnapi->rx_cons;
2748         sw_prod = bnapi->rx_prod;
2749
2750         /* Memory barrier necessary as speculative reads of the rx
2751          * buffer can be ahead of the index in the status block
2752          */
2753         rmb();
2754         while (sw_cons != hw_cons) {
2755                 unsigned int len, hdr_len;
2756                 u32 status;
2757                 struct sw_bd *rx_buf;
2758                 struct sk_buff *skb;
2759                 dma_addr_t dma_addr;
2760
2761                 sw_ring_cons = RX_RING_IDX(sw_cons);
2762                 sw_ring_prod = RX_RING_IDX(sw_prod);
2763
2764                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2765                 skb = rx_buf->skb;
2766
2767                 rx_buf->skb = NULL;
2768
2769                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2770
2771                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2772                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2773
2774                 rx_hdr = (struct l2_fhdr *) skb->data;
2775                 len = rx_hdr->l2_fhdr_pkt_len;
2776
2777                 if ((status = rx_hdr->l2_fhdr_status) &
2778                         (L2_FHDR_ERRORS_BAD_CRC |
2779                         L2_FHDR_ERRORS_PHY_DECODE |
2780                         L2_FHDR_ERRORS_ALIGNMENT |
2781                         L2_FHDR_ERRORS_TOO_SHORT |
2782                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2783
2784                         bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2785                                           sw_ring_prod);
2786                         goto next_rx;
2787                 }
2788                 hdr_len = 0;
2789                 if (status & L2_FHDR_STATUS_SPLIT) {
2790                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2791                         pg_ring_used = 1;
2792                 } else if (len > bp->rx_jumbo_thresh) {
2793                         hdr_len = bp->rx_jumbo_thresh;
2794                         pg_ring_used = 1;
2795                 }
2796
2797                 len -= 4;
2798
2799                 if (len <= bp->rx_copy_thresh) {
2800                         struct sk_buff *new_skb;
2801
2802                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2803                         if (new_skb == NULL) {
2804                                 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2805                                                   sw_ring_prod);
2806                                 goto next_rx;
2807                         }
2808
2809                         /* aligned copy */
2810                         skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2811                                       new_skb->data, len + 2);
2812                         skb_reserve(new_skb, 2);
2813                         skb_put(new_skb, len);
2814
2815                         bnx2_reuse_rx_skb(bp, bnapi, skb,
2816                                 sw_ring_cons, sw_ring_prod);
2817
2818                         skb = new_skb;
2819                 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2820                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2821                         goto next_rx;
2822
2823                 skb->protocol = eth_type_trans(skb, bp->dev);
2824
2825                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2826                         (ntohs(skb->protocol) != 0x8100)) {
2827
2828                         dev_kfree_skb(skb);
2829                         goto next_rx;
2830
2831                 }
2832
2833                 skb->ip_summed = CHECKSUM_NONE;
2834                 if (bp->rx_csum &&
2835                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2836                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2837
2838                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2839                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2840                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2841                 }
2842
2843 #ifdef BCM_VLAN
2844                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2845                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2846                                 rx_hdr->l2_fhdr_vlan_tag);
2847                 }
2848                 else
2849 #endif
2850                         netif_receive_skb(skb);
2851
2852                 bp->dev->last_rx = jiffies;
2853                 rx_pkt++;
2854
2855 next_rx:
2856                 sw_cons = NEXT_RX_BD(sw_cons);
2857                 sw_prod = NEXT_RX_BD(sw_prod);
2858
2859                 if ((rx_pkt == budget))
2860                         break;
2861
2862                 /* Refresh hw_cons to see if there is new work */
2863                 if (sw_cons == hw_cons) {
2864                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2865                         rmb();
2866                 }
2867         }
2868         bnapi->rx_cons = sw_cons;
2869         bnapi->rx_prod = sw_prod;
2870
2871         if (pg_ring_used)
2872                 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2873                          bnapi->rx_pg_prod);
2874
2875         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2876
2877         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2878
2879         mmiowb();
2880
2881         return rx_pkt;
2882
2883 }
2884
2885 /* MSI ISR - The only difference between this and the INTx ISR
2886  * is that the MSI interrupt is always serviced.
2887  */
2888 static irqreturn_t
2889 bnx2_msi(int irq, void *dev_instance)
2890 {
2891         struct net_device *dev = dev_instance;
2892         struct bnx2 *bp = netdev_priv(dev);
2893         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2894
2895         prefetch(bnapi->status_blk);
2896         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2897                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2898                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2899
2900         /* Return here if interrupt is disabled. */
2901         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2902                 return IRQ_HANDLED;
2903
2904         netif_rx_schedule(dev, &bnapi->napi);
2905
2906         return IRQ_HANDLED;
2907 }
2908
2909 static irqreturn_t
2910 bnx2_msi_1shot(int irq, void *dev_instance)
2911 {
2912         struct net_device *dev = dev_instance;
2913         struct bnx2 *bp = netdev_priv(dev);
2914         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2915
2916         prefetch(bnapi->status_blk);
2917
2918         /* Return here if interrupt is disabled. */
2919         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2920                 return IRQ_HANDLED;
2921
2922         netif_rx_schedule(dev, &bnapi->napi);
2923
2924         return IRQ_HANDLED;
2925 }
2926
2927 static irqreturn_t
2928 bnx2_interrupt(int irq, void *dev_instance)
2929 {
2930         struct net_device *dev = dev_instance;
2931         struct bnx2 *bp = netdev_priv(dev);
2932         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2933         struct status_block *sblk = bnapi->status_blk;
2934
2935         /* When using INTx, it is possible for the interrupt to arrive
2936          * at the CPU before the status block posted prior to the
2937          * interrupt. Reading a register will flush the status block.
2938          * When using MSI, the MSI message will always complete after
2939          * the status block write.
2940          */
2941         if ((sblk->status_idx == bnapi->last_status_idx) &&
2942             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2943              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2944                 return IRQ_NONE;
2945
2946         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2947                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2948                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2949
2950         /* Read back to deassert IRQ immediately to avoid too many
2951          * spurious interrupts.
2952          */
2953         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2954
2955         /* Return here if interrupt is shared and is disabled. */
2956         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2957                 return IRQ_HANDLED;
2958
2959         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2960                 bnapi->last_status_idx = sblk->status_idx;
2961                 __netif_rx_schedule(dev, &bnapi->napi);
2962         }
2963
2964         return IRQ_HANDLED;
2965 }
2966
2967 static irqreturn_t
2968 bnx2_tx_msix(int irq, void *dev_instance)
2969 {
2970         struct net_device *dev = dev_instance;
2971         struct bnx2 *bp = netdev_priv(dev);
2972         struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2973
2974         prefetch(bnapi->status_blk_msix);
2975
2976         /* Return here if interrupt is disabled. */
2977         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2978                 return IRQ_HANDLED;
2979
2980         netif_rx_schedule(dev, &bnapi->napi);
2981         return IRQ_HANDLED;
2982 }
2983
2984 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
2985                                  STATUS_ATTN_BITS_TIMER_ABORT)
2986
2987 static inline int
2988 bnx2_has_work(struct bnx2_napi *bnapi)
2989 {
2990         struct status_block *sblk = bnapi->status_blk;
2991
2992         if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2993             (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2994                 return 1;
2995
2996         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2997             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
2998                 return 1;
2999
3000         return 0;
3001 }
3002
3003 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3004 {
3005         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3006         struct bnx2 *bp = bnapi->bp;
3007         int work_done = 0;
3008         struct status_block_msix *sblk = bnapi->status_blk_msix;
3009
3010         do {
3011                 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3012                 if (unlikely(work_done >= budget))
3013                         return work_done;
3014
3015                 bnapi->last_status_idx = sblk->status_idx;
3016                 rmb();
3017         } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3018
3019         netif_rx_complete(bp->dev, napi);
3020         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3021                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3022                bnapi->last_status_idx);
3023         return work_done;
3024 }
3025
3026 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3027                           int work_done, int budget)
3028 {
3029         struct status_block *sblk = bnapi->status_blk;
3030         u32 status_attn_bits = sblk->status_attn_bits;
3031         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3032
3033         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3034             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3035
3036                 bnx2_phy_int(bp, bnapi);
3037
3038                 /* This is needed to take care of transient status
3039                  * during link changes.
3040                  */
3041                 REG_WR(bp, BNX2_HC_COMMAND,
3042                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3043                 REG_RD(bp, BNX2_HC_COMMAND);
3044         }
3045
3046         if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3047                 bnx2_tx_int(bp, bnapi, 0);
3048
3049         if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3050                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3051
3052         return work_done;
3053 }
3054
3055 static int bnx2_poll(struct napi_struct *napi, int budget)
3056 {
3057         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3058         struct bnx2 *bp = bnapi->bp;
3059         int work_done = 0;
3060         struct status_block *sblk = bnapi->status_blk;
3061
3062         while (1) {
3063                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3064
3065                 if (unlikely(work_done >= budget))
3066                         break;
3067
3068                 /* bnapi->last_status_idx is used below to tell the hw how
3069                  * much work has been processed, so we must read it before
3070                  * checking for more work.
3071                  */
3072                 bnapi->last_status_idx = sblk->status_idx;
3073                 rmb();
3074                 if (likely(!bnx2_has_work(bnapi))) {
3075                         netif_rx_complete(bp->dev, napi);
3076                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3077                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3078                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3079                                        bnapi->last_status_idx);
3080                                 break;
3081                         }
3082                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3083                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3084                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3085                                bnapi->last_status_idx);
3086
3087                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3088                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3089                                bnapi->last_status_idx);
3090                         break;
3091                 }
3092         }
3093
3094         return work_done;
3095 }
3096
3097 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3098  * from set_multicast.
3099  */
3100 static void
3101 bnx2_set_rx_mode(struct net_device *dev)
3102 {
3103         struct bnx2 *bp = netdev_priv(dev);
3104         u32 rx_mode, sort_mode;
3105         int i;
3106
3107         spin_lock_bh(&bp->phy_lock);
3108
3109         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3110                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3111         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3112 #ifdef BCM_VLAN
3113         if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3114                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3115 #else
3116         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3117                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3118 #endif
3119         if (dev->flags & IFF_PROMISC) {
3120                 /* Promiscuous mode. */
3121                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3122                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3123                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3124         }
3125         else if (dev->flags & IFF_ALLMULTI) {
3126                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3127                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3128                                0xffffffff);
3129                 }
3130                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3131         }
3132         else {
3133                 /* Accept one or more multicast(s). */
3134                 struct dev_mc_list *mclist;
3135                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3136                 u32 regidx;
3137                 u32 bit;
3138                 u32 crc;
3139
3140                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3141
3142                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3143                      i++, mclist = mclist->next) {
3144
3145                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3146                         bit = crc & 0xff;
3147                         regidx = (bit & 0xe0) >> 5;
3148                         bit &= 0x1f;
3149                         mc_filter[regidx] |= (1 << bit);
3150                 }
3151
3152                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3153                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3154                                mc_filter[i]);
3155                 }
3156
3157                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3158         }
3159
3160         if (rx_mode != bp->rx_mode) {
3161                 bp->rx_mode = rx_mode;
3162                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3163         }
3164
3165         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3166         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3167         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3168
3169         spin_unlock_bh(&bp->phy_lock);
3170 }
3171
3172 static void
3173 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3174         u32 rv2p_proc)
3175 {
3176         int i;
3177         u32 val;
3178
3179
3180         for (i = 0; i < rv2p_code_len; i += 8) {
3181                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3182                 rv2p_code++;
3183                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3184                 rv2p_code++;
3185
3186                 if (rv2p_proc == RV2P_PROC1) {
3187                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3188                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3189                 }
3190                 else {
3191                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3192                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3193                 }
3194         }
3195
3196         /* Reset the processor, un-stall is done later. */
3197         if (rv2p_proc == RV2P_PROC1) {
3198                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3199         }
3200         else {
3201                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3202         }
3203 }
3204
3205 static int
3206 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3207 {
3208         u32 offset;
3209         u32 val;
3210         int rc;
3211
3212         /* Halt the CPU. */
3213         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3214         val |= cpu_reg->mode_value_halt;
3215         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3216         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3217
3218         /* Load the Text area. */
3219         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3220         if (fw->gz_text) {
3221                 int j;
3222
3223                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3224                                        fw->gz_text_len);
3225                 if (rc < 0)
3226                         return rc;
3227
3228                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3229                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3230                 }
3231         }
3232
3233         /* Load the Data area. */
3234         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3235         if (fw->data) {
3236                 int j;
3237
3238                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3239                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3240                 }
3241         }
3242
3243         /* Load the SBSS area. */
3244         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3245         if (fw->sbss_len) {
3246                 int j;
3247
3248                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3249                         bnx2_reg_wr_ind(bp, offset, 0);
3250                 }
3251         }
3252
3253         /* Load the BSS area. */
3254         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3255         if (fw->bss_len) {
3256                 int j;
3257
3258                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3259                         bnx2_reg_wr_ind(bp, offset, 0);
3260                 }
3261         }
3262
3263         /* Load the Read-Only area. */
3264         offset = cpu_reg->spad_base +
3265                 (fw->rodata_addr - cpu_reg->mips_view_base);
3266         if (fw->rodata) {
3267                 int j;
3268
3269                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3270                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3271                 }
3272         }
3273
3274         /* Clear the pre-fetch instruction. */
3275         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3276         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3277
3278         /* Start the CPU. */
3279         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3280         val &= ~cpu_reg->mode_value_halt;
3281         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3282         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3283
3284         return 0;
3285 }
3286
3287 static int
3288 bnx2_init_cpus(struct bnx2 *bp)
3289 {
3290         struct cpu_reg cpu_reg;
3291         struct fw_info *fw;
3292         int rc, rv2p_len;
3293         void *text, *rv2p;
3294
3295         /* Initialize the RV2P processor. */
3296         text = vmalloc(FW_BUF_SIZE);
3297         if (!text)
3298                 return -ENOMEM;
3299         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3300                 rv2p = bnx2_xi_rv2p_proc1;
3301                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3302         } else {
3303                 rv2p = bnx2_rv2p_proc1;
3304                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3305         }
3306         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3307         if (rc < 0)
3308                 goto init_cpu_err;
3309
3310         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3311
3312         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3313                 rv2p = bnx2_xi_rv2p_proc2;
3314                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3315         } else {
3316                 rv2p = bnx2_rv2p_proc2;
3317                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3318         }
3319         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3320         if (rc < 0)
3321                 goto init_cpu_err;
3322
3323         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3324
3325         /* Initialize the RX Processor. */
3326         cpu_reg.mode = BNX2_RXP_CPU_MODE;
3327         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3328         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3329         cpu_reg.state = BNX2_RXP_CPU_STATE;
3330         cpu_reg.state_value_clear = 0xffffff;
3331         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3332         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3333         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3334         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3335         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3336         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3337         cpu_reg.mips_view_base = 0x8000000;
3338
3339         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3340                 fw = &bnx2_rxp_fw_09;
3341         else
3342                 fw = &bnx2_rxp_fw_06;
3343
3344         fw->text = text;
3345         rc = load_cpu_fw(bp, &cpu_reg, fw);
3346         if (rc)
3347                 goto init_cpu_err;
3348
3349         /* Initialize the TX Processor. */
3350         cpu_reg.mode = BNX2_TXP_CPU_MODE;
3351         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3352         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3353         cpu_reg.state = BNX2_TXP_CPU_STATE;
3354         cpu_reg.state_value_clear = 0xffffff;
3355         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3356         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3357         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3358         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3359         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3360         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3361         cpu_reg.mips_view_base = 0x8000000;
3362
3363         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3364                 fw = &bnx2_txp_fw_09;
3365         else
3366                 fw = &bnx2_txp_fw_06;
3367
3368         fw->text = text;
3369         rc = load_cpu_fw(bp, &cpu_reg, fw);
3370         if (rc)
3371                 goto init_cpu_err;
3372
3373         /* Initialize the TX Patch-up Processor. */
3374         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3375         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3376         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3377         cpu_reg.state = BNX2_TPAT_CPU_STATE;
3378         cpu_reg.state_value_clear = 0xffffff;
3379         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3380         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3381         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3382         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3383         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3384         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3385         cpu_reg.mips_view_base = 0x8000000;
3386
3387         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3388                 fw = &bnx2_tpat_fw_09;
3389         else
3390                 fw = &bnx2_tpat_fw_06;
3391
3392         fw->text = text;
3393         rc = load_cpu_fw(bp, &cpu_reg, fw);
3394         if (rc)
3395                 goto init_cpu_err;
3396
3397         /* Initialize the Completion Processor. */
3398         cpu_reg.mode = BNX2_COM_CPU_MODE;
3399         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3400         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3401         cpu_reg.state = BNX2_COM_CPU_STATE;
3402         cpu_reg.state_value_clear = 0xffffff;
3403         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3404         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3405         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3406         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3407         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3408         cpu_reg.spad_base = BNX2_COM_SCRATCH;
3409         cpu_reg.mips_view_base = 0x8000000;
3410
3411         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3412                 fw = &bnx2_com_fw_09;
3413         else
3414                 fw = &bnx2_com_fw_06;
3415
3416         fw->text = text;
3417         rc = load_cpu_fw(bp, &cpu_reg, fw);
3418         if (rc)
3419                 goto init_cpu_err;
3420
3421         /* Initialize the Command Processor. */
3422         cpu_reg.mode = BNX2_CP_CPU_MODE;
3423         cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3424         cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3425         cpu_reg.state = BNX2_CP_CPU_STATE;
3426         cpu_reg.state_value_clear = 0xffffff;
3427         cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3428         cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3429         cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3430         cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3431         cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3432         cpu_reg.spad_base = BNX2_CP_SCRATCH;
3433         cpu_reg.mips_view_base = 0x8000000;
3434
3435         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3436                 fw = &bnx2_cp_fw_09;
3437         else
3438                 fw = &bnx2_cp_fw_06;
3439
3440         fw->text = text;
3441         rc = load_cpu_fw(bp, &cpu_reg, fw);
3442
3443 init_cpu_err:
3444         vfree(text);
3445         return rc;
3446 }
3447
3448 static int
3449 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3450 {
3451         u16 pmcsr;
3452
3453         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3454
3455         switch (state) {
3456         case PCI_D0: {
3457                 u32 val;
3458
3459                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3460                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3461                         PCI_PM_CTRL_PME_STATUS);
3462
3463                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3464                         /* delay required during transition out of D3hot */
3465                         msleep(20);
3466
3467                 val = REG_RD(bp, BNX2_EMAC_MODE);
3468                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3469                 val &= ~BNX2_EMAC_MODE_MPKT;
3470                 REG_WR(bp, BNX2_EMAC_MODE, val);
3471
3472                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3473                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3474                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3475                 break;
3476         }
3477         case PCI_D3hot: {
3478                 int i;
3479                 u32 val, wol_msg;
3480
3481                 if (bp->wol) {
3482                         u32 advertising;
3483                         u8 autoneg;
3484
3485                         autoneg = bp->autoneg;
3486                         advertising = bp->advertising;
3487
3488                         if (bp->phy_port == PORT_TP) {
3489                                 bp->autoneg = AUTONEG_SPEED;
3490                                 bp->advertising = ADVERTISED_10baseT_Half |
3491                                         ADVERTISED_10baseT_Full |
3492                                         ADVERTISED_100baseT_Half |
3493                                         ADVERTISED_100baseT_Full |
3494                                         ADVERTISED_Autoneg;
3495                         }
3496
3497                         spin_lock_bh(&bp->phy_lock);
3498                         bnx2_setup_phy(bp, bp->phy_port);
3499                         spin_unlock_bh(&bp->phy_lock);
3500
3501                         bp->autoneg = autoneg;
3502                         bp->advertising = advertising;
3503
3504                         bnx2_set_mac_addr(bp);
3505
3506                         val = REG_RD(bp, BNX2_EMAC_MODE);
3507
3508                         /* Enable port mode. */
3509                         val &= ~BNX2_EMAC_MODE_PORT;
3510                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3511                                BNX2_EMAC_MODE_ACPI_RCVD |
3512                                BNX2_EMAC_MODE_MPKT;
3513                         if (bp->phy_port == PORT_TP)
3514                                 val |= BNX2_EMAC_MODE_PORT_MII;
3515                         else {
3516                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3517                                 if (bp->line_speed == SPEED_2500)
3518                                         val |= BNX2_EMAC_MODE_25G_MODE;
3519                         }
3520
3521                         REG_WR(bp, BNX2_EMAC_MODE, val);
3522
3523                         /* receive all multicast */
3524                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3525                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3526                                        0xffffffff);
3527                         }
3528                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3529                                BNX2_EMAC_RX_MODE_SORT_MODE);
3530
3531                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3532                               BNX2_RPM_SORT_USER0_MC_EN;
3533                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3534                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3535                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3536                                BNX2_RPM_SORT_USER0_ENA);
3537
3538                         /* Need to enable EMAC and RPM for WOL. */
3539                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3540                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3541                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3542                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3543
3544                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3545                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3546                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3547
3548                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3549                 }
3550                 else {
3551                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3552                 }
3553
3554                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3555                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3556
3557                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3558                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3559                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3560
3561                         if (bp->wol)
3562                                 pmcsr |= 3;
3563                 }
3564                 else {
3565                         pmcsr |= 3;
3566                 }
3567                 if (bp->wol) {
3568                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3569                 }
3570                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3571                                       pmcsr);
3572
3573                 /* No more memory access after this point until
3574                  * device is brought back to D0.
3575                  */
3576                 udelay(50);
3577                 break;
3578         }
3579         default:
3580                 return -EINVAL;
3581         }
3582         return 0;
3583 }
3584
3585 static int
3586 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3587 {
3588         u32 val;
3589         int j;
3590
3591         /* Request access to the flash interface. */
3592         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3593         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3594                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3595                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3596                         break;
3597
3598                 udelay(5);
3599         }
3600
3601         if (j >= NVRAM_TIMEOUT_COUNT)
3602                 return -EBUSY;
3603
3604         return 0;
3605 }
3606
3607 static int
3608 bnx2_release_nvram_lock(struct bnx2 *bp)
3609 {
3610         int j;
3611         u32 val;
3612
3613         /* Relinquish nvram interface. */
3614         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3615
3616         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3617                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3618                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3619                         break;
3620
3621                 udelay(5);
3622         }
3623
3624         if (j >= NVRAM_TIMEOUT_COUNT)
3625                 return -EBUSY;
3626
3627         return 0;
3628 }
3629
3630
3631 static int
3632 bnx2_enable_nvram_write(struct bnx2 *bp)
3633 {
3634         u32 val;
3635
3636         val = REG_RD(bp, BNX2_MISC_CFG);
3637         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3638
3639         if (bp->flash_info->flags & BNX2_NV_WREN) {
3640                 int j;
3641
3642                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3643                 REG_WR(bp, BNX2_NVM_COMMAND,
3644                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3645
3646                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3647                         udelay(5);
3648
3649                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3650                         if (val & BNX2_NVM_COMMAND_DONE)
3651                                 break;
3652                 }
3653
3654                 if (j >= NVRAM_TIMEOUT_COUNT)
3655                         return -EBUSY;
3656         }
3657         return 0;
3658 }
3659
3660 static void
3661 bnx2_disable_nvram_write(struct bnx2 *bp)
3662 {
3663         u32 val;
3664
3665         val = REG_RD(bp, BNX2_MISC_CFG);
3666         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3667 }
3668
3669
3670 static void
3671 bnx2_enable_nvram_access(struct bnx2 *bp)
3672 {
3673         u32 val;
3674
3675         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3676         /* Enable both bits, even on read. */
3677         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3678                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3679 }
3680
3681 static void
3682 bnx2_disable_nvram_access(struct bnx2 *bp)
3683 {
3684         u32 val;
3685
3686         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3687         /* Disable both bits, even after read. */
3688         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3689                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3690                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3691 }
3692
3693 static int
3694 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3695 {
3696         u32 cmd;
3697         int j;
3698
3699         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3700                 /* Buffered flash, no erase needed */
3701                 return 0;
3702
3703         /* Build an erase command */
3704         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3705               BNX2_NVM_COMMAND_DOIT;
3706
3707         /* Need to clear DONE bit separately. */
3708         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3709
3710         /* Address of the NVRAM to read from. */
3711         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3712
3713         /* Issue an erase command. */
3714         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3715
3716         /* Wait for completion. */
3717         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3718                 u32 val;
3719
3720                 udelay(5);
3721
3722                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3723                 if (val & BNX2_NVM_COMMAND_DONE)
3724                         break;
3725         }
3726
3727         if (j >= NVRAM_TIMEOUT_COUNT)
3728                 return -EBUSY;
3729
3730         return 0;
3731 }
3732
3733 static int
3734 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3735 {
3736         u32 cmd;
3737         int j;
3738
3739         /* Build the command word. */
3740         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3741
3742         /* Calculate an offset of a buffered flash, not needed for 5709. */
3743         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3744                 offset = ((offset / bp->flash_info->page_size) <<
3745                            bp->flash_info->page_bits) +
3746                           (offset % bp->flash_info->page_size);
3747         }
3748
3749         /* Need to clear DONE bit separately. */
3750         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3751
3752         /* Address of the NVRAM to read from. */
3753         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3754
3755         /* Issue a read command. */
3756         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3757
3758         /* Wait for completion. */
3759         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3760                 u32 val;
3761
3762                 udelay(5);
3763
3764                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3765                 if (val & BNX2_NVM_COMMAND_DONE) {
3766                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3767                         memcpy(ret_val, &v, 4);
3768                         break;
3769                 }
3770         }
3771         if (j >= NVRAM_TIMEOUT_COUNT)
3772                 return -EBUSY;
3773
3774         return 0;
3775 }
3776
3777
3778 static int
3779 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3780 {
3781         u32 cmd;
3782         __be32 val32;
3783         int j;
3784
3785         /* Build the command word. */
3786         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3787
3788         /* Calculate an offset of a buffered flash, not needed for 5709. */
3789         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3790                 offset = ((offset / bp->flash_info->page_size) <<
3791                           bp->flash_info->page_bits) +
3792                          (offset % bp->flash_info->page_size);
3793         }
3794
3795         /* Need to clear DONE bit separately. */
3796         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3797
3798         memcpy(&val32, val, 4);
3799
3800         /* Write the data. */
3801         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3802
3803         /* Address of the NVRAM to write to. */
3804         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3805
3806         /* Issue the write command. */
3807         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3808
3809         /* Wait for completion. */
3810         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3811                 udelay(5);
3812
3813                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3814                         break;
3815         }
3816         if (j >= NVRAM_TIMEOUT_COUNT)
3817                 return -EBUSY;
3818
3819         return 0;
3820 }
3821
3822 static int
3823 bnx2_init_nvram(struct bnx2 *bp)
3824 {
3825         u32 val;
3826         int j, entry_count, rc = 0;
3827         struct flash_spec *flash;
3828
3829         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3830                 bp->flash_info = &flash_5709;
3831                 goto get_flash_size;
3832         }
3833
3834         /* Determine the selected interface. */
3835         val = REG_RD(bp, BNX2_NVM_CFG1);
3836
3837         entry_count = ARRAY_SIZE(flash_table);
3838
3839         if (val & 0x40000000) {
3840
3841                 /* Flash interface has been reconfigured */
3842                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3843                      j++, flash++) {
3844                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3845                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3846                                 bp->flash_info = flash;
3847                                 break;
3848                         }
3849                 }
3850         }
3851         else {
3852                 u32 mask;
3853                 /* Not yet been reconfigured */
3854
3855                 if (val & (1 << 23))
3856                         mask = FLASH_BACKUP_STRAP_MASK;
3857                 else
3858                         mask = FLASH_STRAP_MASK;
3859
3860                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3861                         j++, flash++) {
3862
3863                         if ((val & mask) == (flash->strapping & mask)) {
3864                                 bp->flash_info = flash;
3865
3866                                 /* Request access to the flash interface. */
3867                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3868                                         return rc;
3869
3870                                 /* Enable access to flash interface */
3871                                 bnx2_enable_nvram_access(bp);
3872
3873                                 /* Reconfigure the flash interface */
3874                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3875                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3876                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3877                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3878
3879                                 /* Disable access to flash interface */
3880                                 bnx2_disable_nvram_access(bp);
3881                                 bnx2_release_nvram_lock(bp);
3882
3883                                 break;
3884                         }
3885                 }
3886         } /* if (val & 0x40000000) */
3887
3888         if (j == entry_count) {
3889                 bp->flash_info = NULL;
3890                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3891                 return -ENODEV;
3892         }
3893
3894 get_flash_size:
3895         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3896         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3897         if (val)
3898                 bp->flash_size = val;
3899         else
3900                 bp->flash_size = bp->flash_info->total_size;
3901
3902         return rc;
3903 }
3904
3905 static int
3906 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3907                 int buf_size)
3908 {
3909         int rc = 0;
3910         u32 cmd_flags, offset32, len32, extra;
3911
3912         if (buf_size == 0)
3913                 return 0;
3914
3915         /* Request access to the flash interface. */
3916         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3917                 return rc;
3918
3919         /* Enable access to flash interface */
3920         bnx2_enable_nvram_access(bp);
3921
3922         len32 = buf_size;
3923         offset32 = offset;
3924         extra = 0;
3925
3926         cmd_flags = 0;
3927
3928         if (offset32 & 3) {
3929                 u8 buf[4];
3930                 u32 pre_len;
3931
3932                 offset32 &= ~3;
3933                 pre_len = 4 - (offset & 3);
3934
3935                 if (pre_len >= len32) {
3936                         pre_len = len32;
3937                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3938                                     BNX2_NVM_COMMAND_LAST;
3939                 }
3940                 else {
3941                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3942                 }
3943
3944                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3945
3946                 if (rc)
3947                         return rc;
3948
3949                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3950
3951                 offset32 += 4;
3952                 ret_buf += pre_len;
3953                 len32 -= pre_len;
3954         }
3955         if (len32 & 3) {
3956                 extra = 4 - (len32 & 3);
3957                 len32 = (len32 + 4) & ~3;
3958         }
3959
3960         if (len32 == 4) {
3961                 u8 buf[4];
3962
3963                 if (cmd_flags)
3964                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3965                 else
3966                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3967                                     BNX2_NVM_COMMAND_LAST;
3968
3969                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3970
3971                 memcpy(ret_buf, buf, 4 - extra);
3972         }
3973         else if (len32 > 0) {
3974                 u8 buf[4];
3975
3976                 /* Read the first word. */
3977                 if (cmd_flags)
3978                         cmd_flags = 0;
3979                 else
3980                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3981
3982                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3983
3984                 /* Advance to the next dword. */
3985                 offset32 += 4;
3986                 ret_buf += 4;
3987                 len32 -= 4;
3988
3989                 while (len32 > 4 && rc == 0) {
3990                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3991
3992                         /* Advance to the next dword. */
3993                         offset32 += 4;
3994                         ret_buf += 4;
3995                         len32 -= 4;
3996                 }
3997
3998                 if (rc)
3999                         return rc;
4000
4001                 cmd_flags = BNX2_NVM_COMMAND_LAST;
4002                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4003
4004                 memcpy(ret_buf, buf, 4 - extra);
4005         }
4006
4007         /* Disable access to flash interface */
4008         bnx2_disable_nvram_access(bp);
4009
4010         bnx2_release_nvram_lock(bp);
4011
4012         return rc;
4013 }
4014
4015 static int
4016 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4017                 int buf_size)
4018 {
4019         u32 written, offset32, len32;
4020         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4021         int rc = 0;
4022         int align_start, align_end;
4023
4024         buf = data_buf;
4025         offset32 = offset;
4026         len32 = buf_size;
4027         align_start = align_end = 0;
4028
4029         if ((align_start = (offset32 & 3))) {
4030                 offset32 &= ~3;
4031                 len32 += align_start;
4032                 if (len32 < 4)
4033                         len32 = 4;
4034                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4035                         return rc;
4036         }
4037
4038         if (len32 & 3) {
4039                 align_end = 4 - (len32 & 3);
4040                 len32 += align_end;
4041                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4042                         return rc;
4043         }
4044
4045         if (align_start || align_end) {
4046                 align_buf = kmalloc(len32, GFP_KERNEL);
4047                 if (align_buf == NULL)
4048                         return -ENOMEM;
4049                 if (align_start) {
4050                         memcpy(align_buf, start, 4);
4051                 }
4052                 if (align_end) {
4053                         memcpy(align_buf + len32 - 4, end, 4);
4054                 }
4055                 memcpy(align_buf + align_start, data_buf, buf_size);
4056                 buf = align_buf;
4057         }
4058
4059         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4060                 flash_buffer = kmalloc(264, GFP_KERNEL);
4061                 if (flash_buffer == NULL) {
4062                         rc = -ENOMEM;
4063                         goto nvram_write_end;
4064                 }
4065         }
4066
4067         written = 0;
4068         while ((written < len32) && (rc == 0)) {
4069                 u32 page_start, page_end, data_start, data_end;
4070                 u32 addr, cmd_flags;
4071                 int i;
4072
4073                 /* Find the page_start addr */
4074                 page_start = offset32 + written;
4075                 page_start -= (page_start % bp->flash_info->page_size);
4076                 /* Find the page_end addr */
4077                 page_end = page_start + bp->flash_info->page_size;
4078                 /* Find the data_start addr */
4079                 data_start = (written == 0) ? offset32 : page_start;
4080                 /* Find the data_end addr */
4081                 data_end = (page_end > offset32 + len32) ?
4082                         (offset32 + len32) : page_end;
4083
4084                 /* Request access to the flash interface. */
4085                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4086                         goto nvram_write_end;
4087
4088                 /* Enable access to flash interface */
4089                 bnx2_enable_nvram_access(bp);
4090
4091                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4092                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4093                         int j;
4094
4095                         /* Read the whole page into the buffer
4096                          * (non-buffer flash only) */
4097                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4098                                 if (j == (bp->flash_info->page_size - 4)) {
4099                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4100                                 }
4101                                 rc = bnx2_nvram_read_dword(bp,
4102                                         page_start + j,
4103                                         &flash_buffer[j],
4104                                         cmd_flags);
4105
4106                                 if (rc)
4107                                         goto nvram_write_end;
4108
4109                                 cmd_flags = 0;
4110                         }
4111                 }
4112
4113                 /* Enable writes to flash interface (unlock write-protect) */
4114                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4115                         goto nvram_write_end;
4116
4117                 /* Loop to write back the buffer data from page_start to
4118                  * data_start */
4119                 i = 0;
4120                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4121                         /* Erase the page */
4122                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4123                                 goto nvram_write_end;
4124
4125                         /* Re-enable the write again for the actual write */
4126                         bnx2_enable_nvram_write(bp);
4127
4128                         for (addr = page_start; addr < data_start;
4129                                 addr += 4, i += 4) {
4130
4131                                 rc = bnx2_nvram_write_dword(bp, addr,
4132                                         &flash_buffer[i], cmd_flags);
4133
4134                                 if (rc != 0)
4135                                         goto nvram_write_end;
4136
4137                                 cmd_flags = 0;
4138                         }
4139                 }
4140
4141                 /* Loop to write the new data from data_start to data_end */
4142                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4143                         if ((addr == page_end - 4) ||
4144                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4145                                  (addr == data_end - 4))) {
4146
4147                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4148                         }
4149                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4150                                 cmd_flags);
4151
4152                         if (rc != 0)
4153                                 goto nvram_write_end;
4154
4155                         cmd_flags = 0;
4156                         buf += 4;
4157                 }
4158
4159                 /* Loop to write back the buffer data from data_end
4160                  * to page_end */
4161                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4162                         for (addr = data_end; addr < page_end;
4163                                 addr += 4, i += 4) {
4164
4165                                 if (addr == page_end-4) {
4166                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4167                                 }
4168                                 rc = bnx2_nvram_write_dword(bp, addr,
4169                                         &flash_buffer[i], cmd_flags);
4170
4171                                 if (rc != 0)
4172                                         goto nvram_write_end;
4173
4174                                 cmd_flags = 0;
4175                         }
4176                 }
4177
4178                 /* Disable writes to flash interface (lock write-protect) */
4179                 bnx2_disable_nvram_write(bp);
4180
4181                 /* Disable access to flash interface */
4182                 bnx2_disable_nvram_access(bp);
4183                 bnx2_release_nvram_lock(bp);
4184
4185                 /* Increment written */
4186                 written += data_end - data_start;
4187         }
4188
4189 nvram_write_end:
4190         kfree(flash_buffer);
4191         kfree(align_buf);
4192         return rc;
4193 }
4194
4195 static void
4196 bnx2_init_remote_phy(struct bnx2 *bp)
4197 {
4198         u32 val;
4199
4200         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4201         if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4202                 return;
4203
4204         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4205         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4206                 return;
4207
4208         if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4209                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4210
4211                 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4212                 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4213                         bp->phy_port = PORT_FIBRE;
4214                 else
4215                         bp->phy_port = PORT_TP;
4216
4217                 if (netif_running(bp->dev)) {
4218                         u32 sig;
4219
4220                         if (val & BNX2_LINK_STATUS_LINK_UP) {
4221                                 bp->link_up = 1;
4222                                 netif_carrier_on(bp->dev);
4223                         } else {
4224                                 bp->link_up = 0;
4225                                 netif_carrier_off(bp->dev);
4226                         }
4227                         sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4228                               BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4229                         bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4230                 }
4231         }
4232 }
4233
4234 static void
4235 bnx2_setup_msix_tbl(struct bnx2 *bp)
4236 {
4237         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4238
4239         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4240         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4241 }
4242
4243 static int
4244 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4245 {
4246         u32 val;
4247         int i, rc = 0;
4248         u8 old_port;
4249
4250         /* Wait for the current PCI transaction to complete before
4251          * issuing a reset. */
4252         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4253                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4254                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4255                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4256                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4257         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4258         udelay(5);
4259
4260         /* Wait for the firmware to tell us it is ok to issue a reset. */
4261         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4262
4263         /* Deposit a driver reset signature so the firmware knows that
4264          * this is a soft reset. */
4265         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4266                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4267
4268         /* Do a dummy read to force the chip to complete all current transaction
4269          * before we issue a reset. */
4270         val = REG_RD(bp, BNX2_MISC_ID);
4271
4272         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4273                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4274                 REG_RD(bp, BNX2_MISC_COMMAND);
4275                 udelay(5);
4276
4277                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4278                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4279
4280                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4281
4282         } else {
4283                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4284                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4285                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4286
4287                 /* Chip reset. */
4288                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4289
4290                 /* Reading back any register after chip reset will hang the
4291                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4292                  * of margin for write posting.
4293                  */
4294                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4295                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4296                         msleep(20);
4297
4298                 /* Reset takes approximate 30 usec */
4299                 for (i = 0; i < 10; i++) {
4300                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4301                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4302                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4303                                 break;
4304                         udelay(10);
4305                 }
4306
4307                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4308                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4309                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4310                         return -EBUSY;
4311                 }
4312         }
4313
4314         /* Make sure byte swapping is properly configured. */
4315         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4316         if (val != 0x01020304) {
4317                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4318                 return -ENODEV;
4319         }
4320
4321         /* Wait for the firmware to finish its initialization. */
4322         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4323         if (rc)
4324                 return rc;
4325
4326         spin_lock_bh(&bp->phy_lock);
4327         old_port = bp->phy_port;
4328         bnx2_init_remote_phy(bp);
4329         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4330             old_port != bp->phy_port)
4331                 bnx2_set_default_remote_link(bp);
4332         spin_unlock_bh(&bp->phy_lock);
4333
4334         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4335                 /* Adjust the voltage regular to two steps lower.  The default
4336                  * of this register is 0x0000000e. */
4337                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4338
4339                 /* Remove bad rbuf memory from the free pool. */
4340                 rc = bnx2_alloc_bad_rbuf(bp);
4341         }
4342
4343         if (bp->flags & BNX2_FLAG_USING_MSIX)
4344                 bnx2_setup_msix_tbl(bp);
4345
4346         return rc;
4347 }
4348
4349 static int
4350 bnx2_init_chip(struct bnx2 *bp)
4351 {
4352         u32 val;
4353         int rc, i;
4354
4355         /* Make sure the interrupt is not active. */
4356         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4357
4358         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4359               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4360 #ifdef __BIG_ENDIAN
4361               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4362 #endif
4363               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4364               DMA_READ_CHANS << 12 |
4365               DMA_WRITE_CHANS << 16;
4366
4367         val |= (0x2 << 20) | (1 << 11);
4368
4369         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4370                 val |= (1 << 23);
4371
4372         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4373             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4374                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4375
4376         REG_WR(bp, BNX2_DMA_CONFIG, val);
4377
4378         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4379                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4380                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4381                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4382         }
4383
4384         if (bp->flags & BNX2_FLAG_PCIX) {
4385                 u16 val16;
4386
4387                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4388                                      &val16);
4389                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4390                                       val16 & ~PCI_X_CMD_ERO);
4391         }
4392
4393         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4394                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4395                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4396                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4397
4398         /* Initialize context mapping and zero out the quick contexts.  The
4399          * context block must have already been enabled. */
4400         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4401                 rc = bnx2_init_5709_context(bp);
4402                 if (rc)
4403                         return rc;
4404         } else
4405                 bnx2_init_context(bp);
4406
4407         if ((rc = bnx2_init_cpus(bp)) != 0)
4408                 return rc;
4409
4410         bnx2_init_nvram(bp);
4411
4412         bnx2_set_mac_addr(bp);
4413
4414         val = REG_RD(bp, BNX2_MQ_CONFIG);
4415         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4416         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4417         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4418                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4419
4420         REG_WR(bp, BNX2_MQ_CONFIG, val);
4421
4422         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4423         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4424         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4425
4426         val = (BCM_PAGE_BITS - 8) << 24;
4427         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4428
4429         /* Configure page size. */
4430         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4431         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4432         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4433         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4434
4435         val = bp->mac_addr[0] +
4436               (bp->mac_addr[1] << 8) +
4437               (bp->mac_addr[2] << 16) +
4438               bp->mac_addr[3] +
4439               (bp->mac_addr[4] << 8) +
4440               (bp->mac_addr[5] << 16);
4441         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4442
4443         /* Program the MTU.  Also include 4 bytes for CRC32. */
4444         val = bp->dev->mtu + ETH_HLEN + 4;
4445         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4446                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4447         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4448
4449         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4450                 bp->bnx2_napi[i].last_status_idx = 0;
4451
4452         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4453
4454         /* Set up how to generate a link change interrupt. */
4455         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4456
4457         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4458                (u64) bp->status_blk_mapping & 0xffffffff);
4459         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4460
4461         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4462                (u64) bp->stats_blk_mapping & 0xffffffff);
4463         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4464                (u64) bp->stats_blk_mapping >> 32);
4465
4466         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4467                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4468
4469         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4470                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4471
4472         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4473                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4474
4475         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4476
4477         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4478
4479         REG_WR(bp, BNX2_HC_COM_TICKS,
4480                (bp->com_ticks_int << 16) | bp->com_ticks);
4481
4482         REG_WR(bp, BNX2_HC_CMD_TICKS,
4483                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4484
4485         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4486                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4487         else
4488                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4489         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4490
4491         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4492                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4493         else {
4494                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4495                       BNX2_HC_CONFIG_COLLECT_STATS;
4496         }
4497
4498         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4499                 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4500                            BNX2_HC_SB_CONFIG_1;
4501
4502                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4503                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4504
4505                 REG_WR(bp, base,
4506                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4507                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4508
4509                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4510                         (bp->tx_quick_cons_trip_int << 16) |
4511                          bp->tx_quick_cons_trip);
4512
4513                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4514                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4515
4516                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4517         }
4518
4519         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4520                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4521
4522         REG_WR(bp, BNX2_HC_CONFIG, val);
4523
4524         /* Clear internal stats counters. */
4525         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4526
4527         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4528
4529         /* Initialize the receive filter. */
4530         bnx2_set_rx_mode(bp->dev);
4531
4532         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4533                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4534                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4535                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4536         }
4537         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4538                           0);
4539
4540         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4541         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4542
4543         udelay(20);
4544
4545         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4546
4547         return rc;
4548 }
4549
4550 static void
4551 bnx2_clear_ring_states(struct bnx2 *bp)
4552 {
4553         struct bnx2_napi *bnapi;
4554         int i;
4555
4556         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4557                 bnapi = &bp->bnx2_napi[i];
4558
4559                 bnapi->tx_cons = 0;
4560                 bnapi->hw_tx_cons = 0;
4561                 bnapi->rx_prod_bseq = 0;
4562                 bnapi->rx_prod = 0;
4563                 bnapi->rx_cons = 0;
4564                 bnapi->rx_pg_prod = 0;
4565                 bnapi->rx_pg_cons = 0;
4566         }
4567 }
4568
4569 static void
4570 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4571 {
4572         u32 val, offset0, offset1, offset2, offset3;
4573         u32 cid_addr = GET_CID_ADDR(cid);
4574
4575         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4576                 offset0 = BNX2_L2CTX_TYPE_XI;
4577                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4578                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4579                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4580         } else {
4581                 offset0 = BNX2_L2CTX_TYPE;
4582                 offset1 = BNX2_L2CTX_CMD_TYPE;
4583                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4584                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4585         }
4586         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4587         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4588
4589         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4590         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4591
4592         val = (u64) bp->tx_desc_mapping >> 32;
4593         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4594
4595         val = (u64) bp->tx_desc_mapping & 0xffffffff;
4596         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4597 }
4598
4599 static void
4600 bnx2_init_tx_ring(struct bnx2 *bp)
4601 {
4602         struct tx_bd *txbd;
4603         u32 cid = TX_CID;
4604         struct bnx2_napi *bnapi;
4605
4606         bp->tx_vec = 0;
4607         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4608                 cid = TX_TSS_CID;
4609                 bp->tx_vec = BNX2_TX_VEC;
4610                 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4611                        (TX_TSS_CID << 7));
4612         }
4613         bnapi = &bp->bnx2_napi[bp->tx_vec];
4614
4615         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4616
4617         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4618
4619         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4620         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4621
4622         bp->tx_prod = 0;
4623         bp->tx_prod_bseq = 0;
4624
4625         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4626         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4627
4628         bnx2_init_tx_context(bp, cid);
4629 }
4630
4631 static void
4632 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4633                      int num_rings)
4634 {
4635         int i;
4636         struct rx_bd *rxbd;
4637
4638         for (i = 0; i < num_rings; i++) {
4639                 int j;
4640
4641                 rxbd = &rx_ring[i][0];
4642                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4643                         rxbd->rx_bd_len = buf_size;
4644                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4645                 }
4646                 if (i == (num_rings - 1))
4647                         j = 0;
4648                 else
4649                         j = i + 1;
4650                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4651                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4652         }
4653 }
4654
4655 static void
4656 bnx2_init_rx_ring(struct bnx2 *bp)
4657 {
4658         int i;
4659         u16 prod, ring_prod;
4660         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4661         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4662
4663         bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4664                              bp->rx_buf_use_size, bp->rx_max_ring);
4665
4666         bnx2_init_rx_context0(bp);
4667
4668         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4669                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4670                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4671         }
4672
4673         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4674         if (bp->rx_pg_ring_size) {
4675                 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4676                                      bp->rx_pg_desc_mapping,
4677                                      PAGE_SIZE, bp->rx_max_pg_ring);
4678                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4679                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4680                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4681                        BNX2_L2CTX_RBDC_JUMBO_KEY);
4682
4683                 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4684                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4685
4686                 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4687                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4688
4689                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4690                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4691         }
4692
4693         val = (u64) bp->rx_desc_mapping[0] >> 32;
4694         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4695
4696         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4697         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4698
4699         ring_prod = prod = bnapi->rx_pg_prod;
4700         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4701                 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4702                         break;
4703                 prod = NEXT_RX_BD(prod);
4704                 ring_prod = RX_PG_RING_IDX(prod);
4705         }
4706         bnapi->rx_pg_prod = prod;
4707
4708         ring_prod = prod = bnapi->rx_prod;
4709         for (i = 0; i < bp->rx_ring_size; i++) {
4710                 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4711                         break;
4712                 }
4713                 prod = NEXT_RX_BD(prod);
4714                 ring_prod = RX_RING_IDX(prod);
4715         }
4716         bnapi->rx_prod = prod;
4717
4718         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4719                  bnapi->rx_pg_prod);
4720         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4721
4722         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4723 }
4724
4725 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4726 {
4727         u32 max, num_rings = 1;
4728
4729         while (ring_size > MAX_RX_DESC_CNT) {
4730                 ring_size -= MAX_RX_DESC_CNT;
4731                 num_rings++;
4732         }
4733         /* round to next power of 2 */
4734         max = max_size;
4735         while ((max & num_rings) == 0)
4736                 max >>= 1;
4737
4738         if (num_rings != max)
4739                 max <<= 1;
4740
4741         return max;
4742 }
4743
4744 static void
4745 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4746 {
4747         u32 rx_size, rx_space, jumbo_size;
4748
4749         /* 8 for CRC and VLAN */
4750         rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4751
4752         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4753                 sizeof(struct skb_shared_info);
4754
4755         bp->rx_copy_thresh = RX_COPY_THRESH;
4756         bp->rx_pg_ring_size = 0;
4757         bp->rx_max_pg_ring = 0;
4758         bp->rx_max_pg_ring_idx = 0;
4759         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4760                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4761
4762                 jumbo_size = size * pages;
4763                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4764                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4765
4766                 bp->rx_pg_ring_size = jumbo_size;
4767                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4768                                                         MAX_RX_PG_RINGS);
4769                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4770                 rx_size = RX_COPY_THRESH + bp->rx_offset;
4771                 bp->rx_copy_thresh = 0;
4772         }
4773
4774         bp->rx_buf_use_size = rx_size;
4775         /* hw alignment */
4776         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4777         bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4778         bp->rx_ring_size = size;
4779         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4780         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4781 }
4782
4783 static void
4784 bnx2_free_tx_skbs(struct bnx2 *bp)
4785 {
4786         int i;
4787
4788         if (bp->tx_buf_ring == NULL)
4789                 return;
4790
4791         for (i = 0; i < TX_DESC_CNT; ) {
4792                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4793                 struct sk_buff *skb = tx_buf->skb;
4794                 int j, last;
4795
4796                 if (skb == NULL) {
4797                         i++;
4798                         continue;
4799                 }
4800
4801                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4802                         skb_headlen(skb), PCI_DMA_TODEVICE);
4803
4804                 tx_buf->skb = NULL;
4805
4806                 last = skb_shinfo(skb)->nr_frags;
4807                 for (j = 0; j < last; j++) {
4808                         tx_buf = &bp->tx_buf_ring[i + j + 1];
4809                         pci_unmap_page(bp->pdev,
4810                                 pci_unmap_addr(tx_buf, mapping),
4811                                 skb_shinfo(skb)->frags[j].size,
4812                                 PCI_DMA_TODEVICE);
4813                 }
4814                 dev_kfree_skb(skb);
4815                 i += j + 1;
4816         }
4817
4818 }
4819
4820 static void
4821 bnx2_free_rx_skbs(struct bnx2 *bp)
4822 {
4823         int i;
4824
4825         if (bp->rx_buf_ring == NULL)
4826                 return;
4827
4828         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4829                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4830                 struct sk_buff *skb = rx_buf->skb;
4831
4832                 if (skb == NULL)
4833                         continue;
4834
4835                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4836                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4837
4838                 rx_buf->skb = NULL;
4839
4840                 dev_kfree_skb(skb);
4841         }
4842         for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4843                 bnx2_free_rx_page(bp, i);
4844 }
4845
4846 static void
4847 bnx2_free_skbs(struct bnx2 *bp)
4848 {
4849         bnx2_free_tx_skbs(bp);
4850         bnx2_free_rx_skbs(bp);
4851 }
4852
4853 static int
4854 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4855 {
4856         int rc;
4857
4858         rc = bnx2_reset_chip(bp, reset_code);
4859         bnx2_free_skbs(bp);
4860         if (rc)
4861                 return rc;
4862
4863         if ((rc = bnx2_init_chip(bp)) != 0)
4864                 return rc;
4865
4866         bnx2_clear_ring_states(bp);
4867         bnx2_init_tx_ring(bp);
4868         bnx2_init_rx_ring(bp);
4869         return 0;
4870 }
4871
4872 static int
4873 bnx2_init_nic(struct bnx2 *bp)
4874 {
4875         int rc;
4876
4877         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4878                 return rc;
4879
4880         spin_lock_bh(&bp->phy_lock);
4881         bnx2_init_phy(bp);
4882         bnx2_set_link(bp);
4883         spin_unlock_bh(&bp->phy_lock);
4884         return 0;
4885 }
4886
4887 static int
4888 bnx2_test_registers(struct bnx2 *bp)
4889 {
4890         int ret;
4891         int i, is_5709;
4892         static const struct {
4893                 u16   offset;
4894                 u16   flags;
4895 #define BNX2_FL_NOT_5709        1
4896                 u32   rw_mask;
4897                 u32   ro_mask;
4898         } reg_tbl[] = {
4899                 { 0x006c, 0, 0x00000000, 0x0000003f },
4900                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4901                 { 0x0094, 0, 0x00000000, 0x00000000 },
4902
4903                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4904                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4905                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4906                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4907                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4908                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4909                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4910                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4911                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4912
4913                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4914                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4915                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4916                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4917                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4918                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4919
4920                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4921                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4922                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4923
4924                 { 0x1000, 0, 0x00000000, 0x00000001 },
4925                 { 0x1004, 0, 0x00000000, 0x000f0001 },
4926
4927                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4928                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4929                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4930                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4931                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4932                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4933                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4934                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4935                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4936                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4937
4938                 { 0x1800, 0, 0x00000000, 0x00000001 },
4939                 { 0x1804, 0, 0x00000000, 0x00000003 },
4940
4941                 { 0x2800, 0, 0x00000000, 0x00000001 },
4942                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4943                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4944                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4945                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4946                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4947                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4948                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4949                 { 0x2840, 0, 0x00000000, 0xffffffff },
4950                 { 0x2844, 0, 0x00000000, 0xffffffff },
4951                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4952                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4953
4954                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4955                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4956
4957                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4958                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4959                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4960                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4961                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4962                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4963                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4964                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4965                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4966
4967                 { 0x5004, 0, 0x00000000, 0x0000007f },
4968                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4969
4970                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4971                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4972                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4973                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4974                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4975                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4976                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4977                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4978                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4979
4980                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4981                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4982                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4983                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4984                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4985                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4986                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4987                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4988                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4989                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4990                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4991                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4992                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4993                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4994                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4995                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4996                 { 0x684c, 0, 0xffffffff, 0x00000000 },
4997                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4998                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4999                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5000                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5001                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5002                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5003
5004                 { 0xffff, 0, 0x00000000, 0x00000000 },
5005         };
5006
5007         ret = 0;
5008         is_5709 = 0;
5009         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5010                 is_5709 = 1;
5011
5012         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5013                 u32 offset, rw_mask, ro_mask, save_val, val;
5014                 u16 flags = reg_tbl[i].flags;
5015
5016                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5017                         continue;
5018
5019                 offset = (u32) reg_tbl[i].offset;
5020                 rw_mask = reg_tbl[i].rw_mask;
5021                 ro_mask = reg_tbl[i].ro_mask;
5022
5023                 save_val = readl(bp->regview + offset);
5024
5025                 writel(0, bp->regview + offset);
5026
5027                 val = readl(bp->regview + offset);
5028                 if ((val & rw_mask) != 0) {
5029                         goto reg_test_err;
5030                 }
5031
5032                 if ((val & ro_mask) != (save_val & ro_mask)) {
5033                         goto reg_test_err;
5034                 }
5035
5036                 writel(0xffffffff, bp->regview + offset);
5037
5038                 val = readl(bp->regview + offset);
5039                 if ((val & rw_mask) != rw_mask) {
5040                         goto reg_test_err;
5041                 }
5042
5043                 if ((val & ro_mask) != (save_val & ro_mask)) {
5044                         goto reg_test_err;
5045                 }
5046
5047                 writel(save_val, bp->regview + offset);
5048                 continue;
5049
5050 reg_test_err:
5051                 writel(save_val, bp->regview + offset);
5052                 ret = -ENODEV;
5053                 break;
5054         }
5055         return ret;
5056 }
5057
5058 static int
5059 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5060 {
5061         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5062                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5063         int i;
5064
5065         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5066                 u32 offset;
5067
5068                 for (offset = 0; offset < size; offset += 4) {
5069
5070                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5071
5072                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5073                                 test_pattern[i]) {
5074                                 return -ENODEV;
5075                         }
5076                 }
5077         }
5078         return 0;
5079 }
5080
5081 static int
5082 bnx2_test_memory(struct bnx2 *bp)
5083 {
5084         int ret = 0;
5085         int i;
5086         static struct mem_entry {
5087                 u32   offset;
5088                 u32   len;
5089         } mem_tbl_5706[] = {
5090                 { 0x60000,  0x4000 },
5091                 { 0xa0000,  0x3000 },
5092                 { 0xe0000,  0x4000 },
5093                 { 0x120000, 0x4000 },
5094                 { 0x1a0000, 0x4000 },
5095                 { 0x160000, 0x4000 },
5096                 { 0xffffffff, 0    },
5097         },
5098         mem_tbl_5709[] = {
5099                 { 0x60000,  0x4000 },
5100                 { 0xa0000,  0x3000 },
5101                 { 0xe0000,  0x4000 },
5102                 { 0x120000, 0x4000 },
5103                 { 0x1a0000, 0x4000 },
5104                 { 0xffffffff, 0    },
5105         };
5106         struct mem_entry *mem_tbl;
5107
5108         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5109                 mem_tbl = mem_tbl_5709;
5110         else
5111                 mem_tbl = mem_tbl_5706;
5112
5113         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5114                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5115                         mem_tbl[i].len)) != 0) {
5116                         return ret;
5117                 }
5118         }
5119
5120         return ret;
5121 }
5122
5123 #define BNX2_MAC_LOOPBACK       0
5124 #define BNX2_PHY_LOOPBACK       1
5125
5126 static int
5127 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5128 {
5129         unsigned int pkt_size, num_pkts, i;
5130         struct sk_buff *skb, *rx_skb;
5131         unsigned char *packet;
5132         u16 rx_start_idx, rx_idx;
5133         dma_addr_t map;
5134         struct tx_bd *txbd;
5135         struct sw_bd *rx_buf;
5136         struct l2_fhdr *rx_hdr;
5137         int ret = -ENODEV;
5138         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5139
5140         tx_napi = bnapi;
5141         if (bp->flags & BNX2_FLAG_USING_MSIX)
5142                 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5143
5144         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5145                 bp->loopback = MAC_LOOPBACK;
5146                 bnx2_set_mac_loopback(bp);
5147         }
5148         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5149                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5150                         return 0;
5151
5152                 bp->loopback = PHY_LOOPBACK;
5153                 bnx2_set_phy_loopback(bp);
5154         }
5155         else
5156                 return -EINVAL;
5157
5158         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5159         skb = netdev_alloc_skb(bp->dev, pkt_size);
5160         if (!skb)
5161                 return -ENOMEM;
5162         packet = skb_put(skb, pkt_size);
5163         memcpy(packet, bp->dev->dev_addr, 6);
5164         memset(packet + 6, 0x0, 8);
5165         for (i = 14; i < pkt_size; i++)
5166                 packet[i] = (unsigned char) (i & 0xff);
5167
5168         map = pci_map_single(bp->pdev, skb->data, pkt_size,
5169                 PCI_DMA_TODEVICE);
5170
5171         REG_WR(bp, BNX2_HC_COMMAND,
5172                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5173
5174         REG_RD(bp, BNX2_HC_COMMAND);
5175
5176         udelay(5);
5177         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5178
5179         num_pkts = 0;
5180
5181         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5182
5183         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5184         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5185         txbd->tx_bd_mss_nbytes = pkt_size;
5186         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5187
5188         num_pkts++;
5189         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5190         bp->tx_prod_bseq += pkt_size;
5191
5192         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5193         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5194
5195         udelay(100);
5196
5197         REG_WR(bp, BNX2_HC_COMMAND,
5198                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5199
5200         REG_RD(bp, BNX2_HC_COMMAND);
5201
5202         udelay(5);
5203
5204         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5205         dev_kfree_skb(skb);
5206
5207         if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5208                 goto loopback_test_done;
5209
5210         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5211         if (rx_idx != rx_start_idx + num_pkts) {
5212                 goto loopback_test_done;
5213         }
5214
5215         rx_buf = &bp->rx_buf_ring[rx_start_idx];
5216         rx_skb = rx_buf->skb;
5217
5218         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5219         skb_reserve(rx_skb, bp->rx_offset);
5220
5221         pci_dma_sync_single_for_cpu(bp->pdev,
5222                 pci_unmap_addr(rx_buf, mapping),
5223                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5224
5225         if (rx_hdr->l2_fhdr_status &
5226                 (L2_FHDR_ERRORS_BAD_CRC |
5227                 L2_FHDR_ERRORS_PHY_DECODE |
5228                 L2_FHDR_ERRORS_ALIGNMENT |
5229                 L2_FHDR_ERRORS_TOO_SHORT |
5230                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5231
5232                 goto loopback_test_done;
5233         }
5234
5235         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5236                 goto loopback_test_done;
5237         }
5238
5239         for (i = 14; i < pkt_size; i++) {
5240                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5241                         goto loopback_test_done;
5242                 }
5243         }
5244
5245         ret = 0;
5246
5247 loopback_test_done:
5248         bp->loopback = 0;
5249         return ret;
5250 }
5251
5252 #define BNX2_MAC_LOOPBACK_FAILED        1
5253 #define BNX2_PHY_LOOPBACK_FAILED        2
5254 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5255                                          BNX2_PHY_LOOPBACK_FAILED)
5256
5257 static int
5258 bnx2_test_loopback(struct bnx2 *bp)
5259 {
5260         int rc = 0;
5261
5262         if (!netif_running(bp->dev))
5263                 return BNX2_LOOPBACK_FAILED;
5264
5265         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5266         spin_lock_bh(&bp->phy_lock);
5267         bnx2_init_phy(bp);
5268         spin_unlock_bh(&bp->phy_lock);
5269         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5270                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5271         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5272                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5273         return rc;
5274 }
5275
5276 #define NVRAM_SIZE 0x200
5277 #define CRC32_RESIDUAL 0xdebb20e3
5278
5279 static int
5280 bnx2_test_nvram(struct bnx2 *bp)
5281 {
5282         __be32 buf[NVRAM_SIZE / 4];
5283         u8 *data = (u8 *) buf;
5284         int rc = 0;
5285         u32 magic, csum;
5286
5287         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5288                 goto test_nvram_done;
5289
5290         magic = be32_to_cpu(buf[0]);
5291         if (magic != 0x669955aa) {
5292                 rc = -ENODEV;
5293                 goto test_nvram_done;
5294         }
5295
5296         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5297                 goto test_nvram_done;
5298
5299         csum = ether_crc_le(0x100, data);
5300         if (csum != CRC32_RESIDUAL) {
5301                 rc = -ENODEV;
5302                 goto test_nvram_done;
5303         }
5304
5305         csum = ether_crc_le(0x100, data + 0x100);
5306         if (csum != CRC32_RESIDUAL) {
5307                 rc = -ENODEV;
5308         }
5309
5310 test_nvram_done:
5311         return rc;
5312 }
5313
5314 static int
5315 bnx2_test_link(struct bnx2 *bp)
5316 {
5317         u32 bmsr;
5318
5319         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5320                 if (bp->link_up)
5321                         return 0;
5322                 return -ENODEV;
5323         }
5324         spin_lock_bh(&bp->phy_lock);
5325         bnx2_enable_bmsr1(bp);
5326         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5327         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5328         bnx2_disable_bmsr1(bp);
5329         spin_unlock_bh(&bp->phy_lock);
5330
5331         if (bmsr & BMSR_LSTATUS) {
5332                 return 0;
5333         }
5334         return -ENODEV;
5335 }
5336
5337 static int
5338 bnx2_test_intr(struct bnx2 *bp)
5339 {
5340         int i;
5341         u16 status_idx;
5342
5343         if (!netif_running(bp->dev))
5344                 return -ENODEV;
5345
5346         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5347
5348         /* This register is not touched during run-time. */
5349         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5350         REG_RD(bp, BNX2_HC_COMMAND);
5351
5352         for (i = 0; i < 10; i++) {
5353                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5354                         status_idx) {
5355
5356                         break;
5357                 }
5358
5359                 msleep_interruptible(10);
5360         }
5361         if (i < 10)
5362                 return 0;
5363
5364         return -ENODEV;
5365 }
5366
5367 /* Determining link for parallel detection. */
5368 static int
5369 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5370 {
5371         u32 mode_ctl, an_dbg, exp;
5372
5373         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5374                 return 0;
5375
5376         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5377         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5378
5379         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5380                 return 0;
5381
5382         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5383         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5384         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5385
5386         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5387                 return 0;
5388
5389         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5390         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5391         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5392
5393         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5394                 return 0;
5395
5396         return 1;
5397 }
5398
5399 static void
5400 bnx2_5706_serdes_timer(struct bnx2 *bp)
5401 {
5402         int check_link = 1;
5403
5404         spin_lock(&bp->phy_lock);
5405         if (bp->serdes_an_pending) {
5406                 bp->serdes_an_pending--;
5407                 check_link = 0;
5408         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5409                 u32 bmcr;
5410
5411                 bp->current_interval = bp->timer_interval;
5412
5413                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5414
5415                 if (bmcr & BMCR_ANENABLE) {
5416                         if (bnx2_5706_serdes_has_link(bp)) {
5417                                 bmcr &= ~BMCR_ANENABLE;
5418                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5419                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5420                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5421                         }
5422                 }
5423         }
5424         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5425                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5426                 u32 phy2;
5427
5428                 bnx2_write_phy(bp, 0x17, 0x0f01);
5429                 bnx2_read_phy(bp, 0x15, &phy2);
5430                 if (phy2 & 0x20) {
5431                         u32 bmcr;
5432
5433                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5434                         bmcr |= BMCR_ANENABLE;
5435                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5436
5437                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5438                 }
5439         } else
5440                 bp->current_interval = bp->timer_interval;
5441
5442         if (check_link) {
5443                 u32 val;
5444
5445                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5446                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5447                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5448
5449                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5450                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5451                                 bnx2_5706s_force_link_dn(bp, 1);
5452                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5453                         } else
5454                                 bnx2_set_link(bp);
5455                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5456                         bnx2_set_link(bp);
5457         }
5458         spin_unlock(&bp->phy_lock);
5459 }
5460
5461 static void
5462 bnx2_5708_serdes_timer(struct bnx2 *bp)
5463 {
5464         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5465                 return;
5466
5467         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5468                 bp->serdes_an_pending = 0;
5469                 return;
5470         }
5471
5472         spin_lock(&bp->phy_lock);
5473         if (bp->serdes_an_pending)
5474                 bp->serdes_an_pending--;
5475         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5476                 u32 bmcr;
5477
5478                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5479                 if (bmcr & BMCR_ANENABLE) {
5480                         bnx2_enable_forced_2g5(bp);
5481                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5482                 } else {
5483                         bnx2_disable_forced_2g5(bp);
5484                         bp->serdes_an_pending = 2;
5485                         bp->current_interval = bp->timer_interval;
5486                 }
5487
5488         } else
5489                 bp->current_interval = bp->timer_interval;
5490
5491         spin_unlock(&bp->phy_lock);
5492 }
5493
5494 static void
5495 bnx2_timer(unsigned long data)
5496 {
5497         struct bnx2 *bp = (struct bnx2 *) data;
5498
5499         if (!netif_running(bp->dev))
5500                 return;
5501
5502         if (atomic_read(&bp->intr_sem) != 0)
5503                 goto bnx2_restart_timer;
5504
5505         bnx2_send_heart_beat(bp);
5506
5507         bp->stats_blk->stat_FwRxDrop =
5508                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5509
5510         /* workaround occasional corrupted counters */
5511         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5512                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5513                                             BNX2_HC_COMMAND_STATS_NOW);
5514
5515         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5516                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5517                         bnx2_5706_serdes_timer(bp);
5518                 else
5519                         bnx2_5708_serdes_timer(bp);
5520         }
5521
5522 bnx2_restart_timer:
5523         mod_timer(&bp->timer, jiffies + bp->current_interval);
5524 }
5525
5526 static int
5527 bnx2_request_irq(struct bnx2 *bp)
5528 {
5529         struct net_device *dev = bp->dev;
5530         unsigned long flags;
5531         struct bnx2_irq *irq;
5532         int rc = 0, i;
5533
5534         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5535                 flags = 0;
5536         else
5537                 flags = IRQF_SHARED;
5538
5539         for (i = 0; i < bp->irq_nvecs; i++) {
5540                 irq = &bp->irq_tbl[i];
5541                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5542                                  dev);
5543                 if (rc)
5544                         break;
5545                 irq->requested = 1;
5546         }
5547         return rc;
5548 }
5549
5550 static void
5551 bnx2_free_irq(struct bnx2 *bp)
5552 {
5553         struct net_device *dev = bp->dev;
5554         struct bnx2_irq *irq;
5555         int i;
5556
5557         for (i = 0; i < bp->irq_nvecs; i++) {
5558                 irq = &bp->irq_tbl[i];
5559                 if (irq->requested)
5560                         free_irq(irq->vector, dev);
5561                 irq->requested = 0;
5562         }
5563         if (bp->flags & BNX2_FLAG_USING_MSI)
5564                 pci_disable_msi(bp->pdev);
5565         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5566                 pci_disable_msix(bp->pdev);
5567
5568         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5569 }
5570
5571 static void
5572 bnx2_enable_msix(struct bnx2 *bp)
5573 {
5574         int i, rc;
5575         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5576
5577         bnx2_setup_msix_tbl(bp);
5578         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5579         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5580         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5581
5582         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5583                 msix_ent[i].entry = i;
5584                 msix_ent[i].vector = 0;
5585         }
5586
5587         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5588         if (rc != 0)
5589                 return;
5590
5591         bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5592         bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5593
5594         strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5595         strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5596         strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5597         strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5598
5599         bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5600         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5601         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5602                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5603 }
5604
5605 static void
5606 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5607 {
5608         bp->irq_tbl[0].handler = bnx2_interrupt;
5609         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5610         bp->irq_nvecs = 1;
5611         bp->irq_tbl[0].vector = bp->pdev->irq;
5612
5613         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5614                 bnx2_enable_msix(bp);
5615
5616         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5617             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5618                 if (pci_enable_msi(bp->pdev) == 0) {
5619                         bp->flags |= BNX2_FLAG_USING_MSI;
5620                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5621                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5622                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5623                         } else
5624                                 bp->irq_tbl[0].handler = bnx2_msi;
5625
5626                         bp->irq_tbl[0].vector = bp->pdev->irq;
5627                 }
5628         }
5629 }
5630
5631 /* Called with rtnl_lock */
5632 static int
5633 bnx2_open(struct net_device *dev)
5634 {
5635         struct bnx2 *bp = netdev_priv(dev);
5636         int rc;
5637
5638         netif_carrier_off(dev);
5639
5640         bnx2_set_power_state(bp, PCI_D0);
5641         bnx2_disable_int(bp);
5642
5643         rc = bnx2_alloc_mem(bp);
5644         if (rc)
5645                 return rc;
5646
5647         bnx2_setup_int_mode(bp, disable_msi);
5648         bnx2_napi_enable(bp);
5649         rc = bnx2_request_irq(bp);
5650
5651         if (rc) {
5652                 bnx2_napi_disable(bp);
5653                 bnx2_free_mem(bp);
5654                 return rc;
5655         }
5656
5657         rc = bnx2_init_nic(bp);
5658
5659         if (rc) {
5660                 bnx2_napi_disable(bp);
5661                 bnx2_free_irq(bp);
5662                 bnx2_free_skbs(bp);
5663                 bnx2_free_mem(bp);
5664                 return rc;
5665         }
5666
5667         mod_timer(&bp->timer, jiffies + bp->current_interval);
5668
5669         atomic_set(&bp->intr_sem, 0);
5670
5671         bnx2_enable_int(bp);
5672
5673         if (bp->flags & BNX2_FLAG_USING_MSI) {
5674                 /* Test MSI to make sure it is working
5675                  * If MSI test fails, go back to INTx mode
5676                  */
5677                 if (bnx2_test_intr(bp) != 0) {
5678                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5679                                " using MSI, switching to INTx mode. Please"
5680                                " report this failure to the PCI maintainer"
5681                                " and include system chipset information.\n",
5682                                bp->dev->name);
5683
5684                         bnx2_disable_int(bp);
5685                         bnx2_free_irq(bp);
5686
5687                         bnx2_setup_int_mode(bp, 1);
5688
5689                         rc = bnx2_init_nic(bp);
5690
5691                         if (!rc)
5692                                 rc = bnx2_request_irq(bp);
5693
5694                         if (rc) {
5695                                 bnx2_napi_disable(bp);
5696                                 bnx2_free_skbs(bp);
5697                                 bnx2_free_mem(bp);
5698                                 del_timer_sync(&bp->timer);
5699                                 return rc;
5700                         }
5701                         bnx2_enable_int(bp);
5702                 }
5703         }
5704         if (bp->flags & BNX2_FLAG_USING_MSI)
5705                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5706         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5707                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5708
5709         netif_start_queue(dev);
5710
5711         return 0;
5712 }
5713
5714 static void
5715 bnx2_reset_task(struct work_struct *work)
5716 {
5717         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5718
5719         if (!netif_running(bp->dev))
5720                 return;
5721
5722         bp->in_reset_task = 1;
5723         bnx2_netif_stop(bp);
5724
5725         bnx2_init_nic(bp);
5726
5727         atomic_set(&bp->intr_sem, 1);
5728         bnx2_netif_start(bp);
5729         bp->in_reset_task = 0;
5730 }
5731
5732 static void
5733 bnx2_tx_timeout(struct net_device *dev)
5734 {
5735         struct bnx2 *bp = netdev_priv(dev);
5736
5737         /* This allows the netif to be shutdown gracefully before resetting */
5738         schedule_work(&bp->reset_task);
5739 }
5740
5741 #ifdef BCM_VLAN
5742 /* Called with rtnl_lock */
5743 static void
5744 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5745 {
5746         struct bnx2 *bp = netdev_priv(dev);
5747
5748         bnx2_netif_stop(bp);
5749
5750         bp->vlgrp = vlgrp;
5751         bnx2_set_rx_mode(dev);
5752
5753         bnx2_netif_start(bp);
5754 }
5755 #endif
5756
5757 /* Called with netif_tx_lock.
5758  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5759  * netif_wake_queue().
5760  */
5761 static int
5762 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5763 {
5764         struct bnx2 *bp = netdev_priv(dev);
5765         dma_addr_t mapping;
5766         struct tx_bd *txbd;
5767         struct sw_bd *tx_buf;
5768         u32 len, vlan_tag_flags, last_frag, mss;
5769         u16 prod, ring_prod;
5770         int i;
5771         struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5772
5773         if (unlikely(bnx2_tx_avail(bp, bnapi) <
5774             (skb_shinfo(skb)->nr_frags + 1))) {
5775                 netif_stop_queue(dev);
5776                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5777                         dev->name);
5778
5779                 return NETDEV_TX_BUSY;
5780         }
5781         len = skb_headlen(skb);
5782         prod = bp->tx_prod;
5783         ring_prod = TX_RING_IDX(prod);
5784
5785         vlan_tag_flags = 0;
5786         if (skb->ip_summed == CHECKSUM_PARTIAL) {
5787                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5788         }
5789
5790         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5791                 vlan_tag_flags |=
5792                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5793         }
5794         if ((mss = skb_shinfo(skb)->gso_size)) {
5795                 u32 tcp_opt_len, ip_tcp_len;
5796                 struct iphdr *iph;
5797
5798                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5799
5800                 tcp_opt_len = tcp_optlen(skb);
5801
5802                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5803                         u32 tcp_off = skb_transport_offset(skb) -
5804                                       sizeof(struct ipv6hdr) - ETH_HLEN;
5805
5806                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5807                                           TX_BD_FLAGS_SW_FLAGS;
5808                         if (likely(tcp_off == 0))
5809                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5810                         else {
5811                                 tcp_off >>= 3;
5812                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
5813                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
5814                                                   ((tcp_off & 0x10) <<
5815                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
5816                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5817                         }
5818                 } else {
5819                         if (skb_header_cloned(skb) &&
5820                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5821                                 dev_kfree_skb(skb);
5822                                 return NETDEV_TX_OK;
5823                         }
5824
5825                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5826
5827                         iph = ip_hdr(skb);
5828                         iph->check = 0;
5829                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5830                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5831                                                                  iph->daddr, 0,
5832                                                                  IPPROTO_TCP,
5833                                                                  0);
5834                         if (tcp_opt_len || (iph->ihl > 5)) {
5835                                 vlan_tag_flags |= ((iph->ihl - 5) +
5836                                                    (tcp_opt_len >> 2)) << 8;
5837                         }
5838                 }
5839         } else
5840                 mss = 0;
5841
5842         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5843
5844         tx_buf = &bp->tx_buf_ring[ring_prod];
5845         tx_buf->skb = skb;
5846         pci_unmap_addr_set(tx_buf, mapping, mapping);
5847
5848         txbd = &bp->tx_desc_ring[ring_prod];
5849
5850         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5851         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5852         txbd->tx_bd_mss_nbytes = len | (mss << 16);
5853         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5854
5855         last_frag = skb_shinfo(skb)->nr_frags;
5856
5857         for (i = 0; i < last_frag; i++) {
5858                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5859
5860                 prod = NEXT_TX_BD(prod);
5861                 ring_prod = TX_RING_IDX(prod);
5862                 txbd = &bp->tx_desc_ring[ring_prod];
5863
5864                 len = frag->size;
5865                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5866                         len, PCI_DMA_TODEVICE);
5867                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5868                                 mapping, mapping);
5869
5870                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5871                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5872                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5873                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5874
5875         }
5876         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5877
5878         prod = NEXT_TX_BD(prod);
5879         bp->tx_prod_bseq += skb->len;
5880
5881         REG_WR16(bp, bp->tx_bidx_addr, prod);
5882         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5883
5884         mmiowb();
5885
5886         bp->tx_prod = prod;
5887         dev->trans_start = jiffies;
5888
5889         if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5890                 netif_stop_queue(dev);
5891                 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5892                         netif_wake_queue(dev);
5893         }
5894
5895         return NETDEV_TX_OK;
5896 }
5897
5898 /* Called with rtnl_lock */
5899 static int
5900 bnx2_close(struct net_device *dev)
5901 {
5902         struct bnx2 *bp = netdev_priv(dev);
5903         u32 reset_code;
5904
5905         /* Calling flush_scheduled_work() may deadlock because
5906          * linkwatch_event() may be on the workqueue and it will try to get
5907          * the rtnl_lock which we are holding.
5908          */
5909         while (bp->in_reset_task)
5910                 msleep(1);
5911
5912         bnx2_disable_int_sync(bp);
5913         bnx2_napi_disable(bp);
5914         del_timer_sync(&bp->timer);
5915         if (bp->flags & BNX2_FLAG_NO_WOL)
5916                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5917         else if (bp->wol)
5918                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5919         else
5920                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5921         bnx2_reset_chip(bp, reset_code);
5922         bnx2_free_irq(bp);
5923         bnx2_free_skbs(bp);
5924         bnx2_free_mem(bp);
5925         bp->link_up = 0;
5926         netif_carrier_off(bp->dev);
5927         bnx2_set_power_state(bp, PCI_D3hot);
5928         return 0;
5929 }
5930
5931 #define GET_NET_STATS64(ctr)                                    \
5932         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
5933         (unsigned long) (ctr##_lo)
5934
5935 #define GET_NET_STATS32(ctr)            \
5936         (ctr##_lo)
5937
5938 #if (BITS_PER_LONG == 64)
5939 #define GET_NET_STATS   GET_NET_STATS64
5940 #else
5941 #define GET_NET_STATS   GET_NET_STATS32
5942 #endif
5943
5944 static struct net_device_stats *
5945 bnx2_get_stats(struct net_device *dev)
5946 {
5947         struct bnx2 *bp = netdev_priv(dev);
5948         struct statistics_block *stats_blk = bp->stats_blk;
5949         struct net_device_stats *net_stats = &bp->net_stats;
5950
5951         if (bp->stats_blk == NULL) {
5952                 return net_stats;
5953         }
5954         net_stats->rx_packets =
5955                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5956                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5957                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5958
5959         net_stats->tx_packets =
5960                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5961                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5962                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5963
5964         net_stats->rx_bytes =
5965                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5966
5967         net_stats->tx_bytes =
5968                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5969
5970         net_stats->multicast =
5971                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5972
5973         net_stats->collisions =
5974                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5975
5976         net_stats->rx_length_errors =
5977                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5978                 stats_blk->stat_EtherStatsOverrsizePkts);
5979
5980         net_stats->rx_over_errors =
5981                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5982
5983         net_stats->rx_frame_errors =
5984                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5985
5986         net_stats->rx_crc_errors =
5987                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5988
5989         net_stats->rx_errors = net_stats->rx_length_errors +
5990                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5991                 net_stats->rx_crc_errors;
5992
5993         net_stats->tx_aborted_errors =
5994                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5995                 stats_blk->stat_Dot3StatsLateCollisions);
5996
5997         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5998             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5999                 net_stats->tx_carrier_errors = 0;
6000         else {
6001                 net_stats->tx_carrier_errors =
6002                         (unsigned long)
6003                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
6004         }
6005
6006         net_stats->tx_errors =
6007                 (unsigned long)
6008                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6009                 +
6010                 net_stats->tx_aborted_errors +
6011                 net_stats->tx_carrier_errors;
6012
6013         net_stats->rx_missed_errors =
6014                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6015                 stats_blk->stat_FwRxDrop);
6016
6017         return net_stats;
6018 }
6019
6020 /* All ethtool functions called with rtnl_lock */
6021
6022 static int
6023 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6024 {
6025         struct bnx2 *bp = netdev_priv(dev);
6026         int support_serdes = 0, support_copper = 0;
6027
6028         cmd->supported = SUPPORTED_Autoneg;
6029         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6030                 support_serdes = 1;
6031                 support_copper = 1;
6032         } else if (bp->phy_port == PORT_FIBRE)
6033                 support_serdes = 1;
6034         else
6035                 support_copper = 1;
6036
6037         if (support_serdes) {
6038                 cmd->supported |= SUPPORTED_1000baseT_Full |
6039                         SUPPORTED_FIBRE;
6040                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6041                         cmd->supported |= SUPPORTED_2500baseX_Full;
6042
6043         }
6044         if (support_copper) {
6045                 cmd->supported |= SUPPORTED_10baseT_Half |
6046                         SUPPORTED_10baseT_Full |
6047                         SUPPORTED_100baseT_Half |
6048                         SUPPORTED_100baseT_Full |
6049                         SUPPORTED_1000baseT_Full |
6050                         SUPPORTED_TP;
6051
6052         }
6053
6054         spin_lock_bh(&bp->phy_lock);
6055         cmd->port = bp->phy_port;
6056         cmd->advertising = bp->advertising;
6057
6058         if (bp->autoneg & AUTONEG_SPEED) {
6059                 cmd->autoneg = AUTONEG_ENABLE;
6060         }
6061         else {
6062                 cmd->autoneg = AUTONEG_DISABLE;
6063         }
6064
6065         if (netif_carrier_ok(dev)) {
6066                 cmd->speed = bp->line_speed;
6067                 cmd->duplex = bp->duplex;
6068         }
6069         else {
6070                 cmd->speed = -1;
6071                 cmd->duplex = -1;
6072         }
6073         spin_unlock_bh(&bp->phy_lock);
6074
6075         cmd->transceiver = XCVR_INTERNAL;
6076         cmd->phy_address = bp->phy_addr;
6077
6078         return 0;
6079 }
6080
6081 static int
6082 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6083 {
6084         struct bnx2 *bp = netdev_priv(dev);
6085         u8 autoneg = bp->autoneg;
6086         u8 req_duplex = bp->req_duplex;
6087         u16 req_line_speed = bp->req_line_speed;
6088         u32 advertising = bp->advertising;
6089         int err = -EINVAL;
6090
6091         spin_lock_bh(&bp->phy_lock);
6092
6093         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6094                 goto err_out_unlock;
6095
6096         if (cmd->port != bp->phy_port &&
6097             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6098                 goto err_out_unlock;
6099
6100         if (cmd->autoneg == AUTONEG_ENABLE) {
6101                 autoneg |= AUTONEG_SPEED;
6102
6103                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6104
6105                 /* allow advertising 1 speed */
6106                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6107                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6108                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6109                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6110
6111                         if (cmd->port == PORT_FIBRE)
6112                                 goto err_out_unlock;
6113
6114                         advertising = cmd->advertising;
6115
6116                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6117                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6118                             (cmd->port == PORT_TP))
6119                                 goto err_out_unlock;
6120                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6121                         advertising = cmd->advertising;
6122                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6123                         goto err_out_unlock;
6124                 else {
6125                         if (cmd->port == PORT_FIBRE)
6126                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6127                         else
6128                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6129                 }
6130                 advertising |= ADVERTISED_Autoneg;
6131         }
6132         else {
6133                 if (cmd->port == PORT_FIBRE) {
6134                         if ((cmd->speed != SPEED_1000 &&
6135                              cmd->speed != SPEED_2500) ||
6136                             (cmd->duplex != DUPLEX_FULL))
6137                                 goto err_out_unlock;
6138
6139                         if (cmd->speed == SPEED_2500 &&
6140                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6141                                 goto err_out_unlock;
6142                 }
6143                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6144                         goto err_out_unlock;
6145
6146                 autoneg &= ~AUTONEG_SPEED;
6147                 req_line_speed = cmd->speed;
6148                 req_duplex = cmd->duplex;
6149                 advertising = 0;
6150         }
6151
6152         bp->autoneg = autoneg;
6153         bp->advertising = advertising;
6154         bp->req_line_speed = req_line_speed;
6155         bp->req_duplex = req_duplex;
6156
6157         err = bnx2_setup_phy(bp, cmd->port);
6158
6159 err_out_unlock:
6160         spin_unlock_bh(&bp->phy_lock);
6161
6162         return err;
6163 }
6164
6165 static void
6166 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6167 {
6168         struct bnx2 *bp = netdev_priv(dev);
6169
6170         strcpy(info->driver, DRV_MODULE_NAME);
6171         strcpy(info->version, DRV_MODULE_VERSION);
6172         strcpy(info->bus_info, pci_name(bp->pdev));
6173         strcpy(info->fw_version, bp->fw_version);
6174 }
6175
6176 #define BNX2_REGDUMP_LEN                (32 * 1024)
6177
6178 static int
6179 bnx2_get_regs_len(struct net_device *dev)
6180 {
6181         return BNX2_REGDUMP_LEN;
6182 }
6183
6184 static void
6185 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6186 {
6187         u32 *p = _p, i, offset;
6188         u8 *orig_p = _p;
6189         struct bnx2 *bp = netdev_priv(dev);
6190         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6191                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6192                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6193                                  0x1040, 0x1048, 0x1080, 0x10a4,
6194                                  0x1400, 0x1490, 0x1498, 0x14f0,
6195                                  0x1500, 0x155c, 0x1580, 0x15dc,
6196                                  0x1600, 0x1658, 0x1680, 0x16d8,
6197                                  0x1800, 0x1820, 0x1840, 0x1854,
6198                                  0x1880, 0x1894, 0x1900, 0x1984,
6199                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6200                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6201                                  0x2000, 0x2030, 0x23c0, 0x2400,
6202                                  0x2800, 0x2820, 0x2830, 0x2850,
6203                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6204                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6205                                  0x4080, 0x4090, 0x43c0, 0x4458,
6206                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6207                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6208                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6209                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6210                                  0x6800, 0x6848, 0x684c, 0x6860,
6211                                  0x6888, 0x6910, 0x8000 };
6212
6213         regs->version = 0;
6214
6215         memset(p, 0, BNX2_REGDUMP_LEN);
6216
6217         if (!netif_running(bp->dev))
6218                 return;
6219
6220         i = 0;
6221         offset = reg_boundaries[0];
6222         p += offset;
6223         while (offset < BNX2_REGDUMP_LEN) {
6224                 *p++ = REG_RD(bp, offset);
6225                 offset += 4;
6226                 if (offset == reg_boundaries[i + 1]) {
6227                         offset = reg_boundaries[i + 2];
6228                         p = (u32 *) (orig_p + offset);
6229                         i += 2;
6230                 }
6231         }
6232 }
6233
6234 static void
6235 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6236 {
6237         struct bnx2 *bp = netdev_priv(dev);
6238
6239         if (bp->flags & BNX2_FLAG_NO_WOL) {
6240                 wol->supported = 0;
6241                 wol->wolopts = 0;
6242         }
6243         else {
6244                 wol->supported = WAKE_MAGIC;
6245                 if (bp->wol)
6246                         wol->wolopts = WAKE_MAGIC;
6247                 else
6248                         wol->wolopts = 0;
6249         }
6250         memset(&wol->sopass, 0, sizeof(wol->sopass));
6251 }
6252
6253 static int
6254 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6255 {
6256         struct bnx2 *bp = netdev_priv(dev);
6257
6258         if (wol->wolopts & ~WAKE_MAGIC)
6259                 return -EINVAL;
6260
6261         if (wol->wolopts & WAKE_MAGIC) {
6262                 if (bp->flags & BNX2_FLAG_NO_WOL)
6263                         return -EINVAL;
6264
6265                 bp->wol = 1;
6266         }
6267         else {
6268                 bp->wol = 0;
6269         }
6270         return 0;
6271 }
6272
6273 static int
6274 bnx2_nway_reset(struct net_device *dev)
6275 {
6276         struct bnx2 *bp = netdev_priv(dev);
6277         u32 bmcr;
6278
6279         if (!(bp->autoneg & AUTONEG_SPEED)) {
6280                 return -EINVAL;
6281         }
6282
6283         spin_lock_bh(&bp->phy_lock);
6284
6285         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6286                 int rc;
6287
6288                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6289                 spin_unlock_bh(&bp->phy_lock);
6290                 return rc;
6291         }
6292
6293         /* Force a link down visible on the other side */
6294         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6295                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6296                 spin_unlock_bh(&bp->phy_lock);
6297
6298                 msleep(20);
6299
6300                 spin_lock_bh(&bp->phy_lock);
6301
6302                 bp->current_interval = SERDES_AN_TIMEOUT;
6303                 bp->serdes_an_pending = 1;
6304                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6305         }
6306
6307         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6308         bmcr &= ~BMCR_LOOPBACK;
6309         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6310
6311         spin_unlock_bh(&bp->phy_lock);
6312
6313         return 0;
6314 }
6315
6316 static int
6317 bnx2_get_eeprom_len(struct net_device *dev)
6318 {
6319         struct bnx2 *bp = netdev_priv(dev);
6320
6321         if (bp->flash_info == NULL)
6322                 return 0;
6323
6324         return (int) bp->flash_size;
6325 }
6326
6327 static int
6328 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6329                 u8 *eebuf)
6330 {
6331         struct bnx2 *bp = netdev_priv(dev);
6332         int rc;
6333
6334         /* parameters already validated in ethtool_get_eeprom */
6335
6336         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6337
6338         return rc;
6339 }
6340
6341 static int
6342 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6343                 u8 *eebuf)
6344 {
6345         struct bnx2 *bp = netdev_priv(dev);
6346         int rc;
6347
6348         /* parameters already validated in ethtool_set_eeprom */
6349
6350         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6351
6352         return rc;
6353 }
6354
6355 static int
6356 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6357 {
6358         struct bnx2 *bp = netdev_priv(dev);
6359
6360         memset(coal, 0, sizeof(struct ethtool_coalesce));
6361
6362         coal->rx_coalesce_usecs = bp->rx_ticks;
6363         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6364         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6365         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6366
6367         coal->tx_coalesce_usecs = bp->tx_ticks;
6368         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6369         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6370         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6371
6372         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6373
6374         return 0;
6375 }
6376
6377 static int
6378 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6379 {
6380         struct bnx2 *bp = netdev_priv(dev);
6381
6382         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6383         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6384
6385         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6386         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6387
6388         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6389         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6390
6391         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6392         if (bp->rx_quick_cons_trip_int > 0xff)
6393                 bp->rx_quick_cons_trip_int = 0xff;
6394
6395         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6396         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6397
6398         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6399         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6400
6401         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6402         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6403
6404         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6405         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6406                 0xff;
6407
6408         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6409         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6410                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6411                         bp->stats_ticks = USEC_PER_SEC;
6412         }
6413         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6414                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6415         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6416
6417         if (netif_running(bp->dev)) {
6418                 bnx2_netif_stop(bp);
6419                 bnx2_init_nic(bp);
6420                 bnx2_netif_start(bp);
6421         }
6422
6423         return 0;
6424 }
6425
6426 static void
6427 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6428 {
6429         struct bnx2 *bp = netdev_priv(dev);
6430
6431         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6432         ering->rx_mini_max_pending = 0;
6433         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6434
6435         ering->rx_pending = bp->rx_ring_size;
6436         ering->rx_mini_pending = 0;
6437         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6438
6439         ering->tx_max_pending = MAX_TX_DESC_CNT;
6440         ering->tx_pending = bp->tx_ring_size;
6441 }
6442
6443 static int
6444 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6445 {
6446         if (netif_running(bp->dev)) {
6447                 bnx2_netif_stop(bp);
6448                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6449                 bnx2_free_skbs(bp);
6450                 bnx2_free_mem(bp);
6451         }
6452
6453         bnx2_set_rx_ring_size(bp, rx);
6454         bp->tx_ring_size = tx;
6455
6456         if (netif_running(bp->dev)) {
6457                 int rc;
6458
6459                 rc = bnx2_alloc_mem(bp);
6460                 if (rc)
6461                         return rc;
6462                 bnx2_init_nic(bp);
6463                 bnx2_netif_start(bp);
6464         }
6465         return 0;
6466 }
6467
6468 static int
6469 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6470 {
6471         struct bnx2 *bp = netdev_priv(dev);
6472         int rc;
6473
6474         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6475                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6476                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6477
6478                 return -EINVAL;
6479         }
6480         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6481         return rc;
6482 }
6483
6484 static void
6485 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6486 {
6487         struct bnx2 *bp = netdev_priv(dev);
6488
6489         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6490         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6491         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6492 }
6493
6494 static int
6495 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6496 {
6497         struct bnx2 *bp = netdev_priv(dev);
6498
6499         bp->req_flow_ctrl = 0;
6500         if (epause->rx_pause)
6501                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6502         if (epause->tx_pause)
6503                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6504
6505         if (epause->autoneg) {
6506                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6507         }
6508         else {
6509                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6510         }
6511
6512         spin_lock_bh(&bp->phy_lock);
6513
6514         bnx2_setup_phy(bp, bp->phy_port);
6515
6516         spin_unlock_bh(&bp->phy_lock);
6517
6518         return 0;
6519 }
6520
6521 static u32
6522 bnx2_get_rx_csum(struct net_device *dev)
6523 {
6524         struct bnx2 *bp = netdev_priv(dev);
6525
6526         return bp->rx_csum;
6527 }
6528
6529 static int
6530 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6531 {
6532         struct bnx2 *bp = netdev_priv(dev);
6533
6534         bp->rx_csum = data;
6535         return 0;
6536 }
6537
6538 static int
6539 bnx2_set_tso(struct net_device *dev, u32 data)
6540 {
6541         struct bnx2 *bp = netdev_priv(dev);
6542
6543         if (data) {
6544                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6545                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6546                         dev->features |= NETIF_F_TSO6;
6547         } else
6548                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6549                                    NETIF_F_TSO_ECN);
6550         return 0;
6551 }
6552
6553 #define BNX2_NUM_STATS 46
6554
6555 static struct {
6556         char string[ETH_GSTRING_LEN];
6557 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6558         { "rx_bytes" },
6559         { "rx_error_bytes" },
6560         { "tx_bytes" },
6561         { "tx_error_bytes" },
6562         { "rx_ucast_packets" },
6563         { "rx_mcast_packets" },
6564         { "rx_bcast_packets" },
6565         { "tx_ucast_packets" },
6566         { "tx_mcast_packets" },
6567         { "tx_bcast_packets" },
6568         { "tx_mac_errors" },
6569         { "tx_carrier_errors" },
6570         { "rx_crc_errors" },
6571         { "rx_align_errors" },
6572         { "tx_single_collisions" },
6573         { "tx_multi_collisions" },
6574         { "tx_deferred" },
6575         { "tx_excess_collisions" },
6576         { "tx_late_collisions" },
6577         { "tx_total_collisions" },
6578         { "rx_fragments" },
6579         { "rx_jabbers" },
6580         { "rx_undersize_packets" },
6581         { "rx_oversize_packets" },
6582         { "rx_64_byte_packets" },
6583         { "rx_65_to_127_byte_packets" },
6584         { "rx_128_to_255_byte_packets" },
6585         { "rx_256_to_511_byte_packets" },
6586         { "rx_512_to_1023_byte_packets" },
6587         { "rx_1024_to_1522_byte_packets" },
6588         { "rx_1523_to_9022_byte_packets" },
6589         { "tx_64_byte_packets" },
6590         { "tx_65_to_127_byte_packets" },
6591         { "tx_128_to_255_byte_packets" },
6592         { "tx_256_to_511_byte_packets" },
6593         { "tx_512_to_1023_byte_packets" },
6594         { "tx_1024_to_1522_byte_packets" },
6595         { "tx_1523_to_9022_byte_packets" },
6596         { "rx_xon_frames" },
6597         { "rx_xoff_frames" },
6598         { "tx_xon_frames" },
6599         { "tx_xoff_frames" },
6600         { "rx_mac_ctrl_frames" },
6601         { "rx_filtered_packets" },
6602         { "rx_discards" },
6603         { "rx_fw_discards" },
6604 };
6605
6606 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6607
6608 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6609     STATS_OFFSET32(stat_IfHCInOctets_hi),
6610     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6611     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6612     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6613     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6614     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6615     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6616     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6617     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6618     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6619     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6620     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6621     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6622     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6623     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6624     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6625     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6626     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6627     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6628     STATS_OFFSET32(stat_EtherStatsCollisions),
6629     STATS_OFFSET32(stat_EtherStatsFragments),
6630     STATS_OFFSET32(stat_EtherStatsJabbers),
6631     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6632     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6633     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6634     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6635     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6636     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6637     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6638     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6639     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6640     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6641     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6642     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6643     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6644     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6645     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6646     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6647     STATS_OFFSET32(stat_XonPauseFramesReceived),
6648     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6649     STATS_OFFSET32(stat_OutXonSent),
6650     STATS_OFFSET32(stat_OutXoffSent),
6651     STATS_OFFSET32(stat_MacControlFramesReceived),
6652     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6653     STATS_OFFSET32(stat_IfInMBUFDiscards),
6654     STATS_OFFSET32(stat_FwRxDrop),
6655 };
6656
6657 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6658  * skipped because of errata.
6659  */
6660 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6661         8,0,8,8,8,8,8,8,8,8,
6662         4,0,4,4,4,4,4,4,4,4,
6663         4,4,4,4,4,4,4,4,4,4,
6664         4,4,4,4,4,4,4,4,4,4,
6665         4,4,4,4,4,4,
6666 };
6667
6668 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6669         8,0,8,8,8,8,8,8,8,8,
6670         4,4,4,4,4,4,4,4,4,4,
6671         4,4,4,4,4,4,4,4,4,4,
6672         4,4,4,4,4,4,4,4,4,4,
6673         4,4,4,4,4,4,
6674 };
6675
6676 #define BNX2_NUM_TESTS 6
6677
6678 static struct {
6679         char string[ETH_GSTRING_LEN];
6680 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6681         { "register_test (offline)" },
6682         { "memory_test (offline)" },
6683         { "loopback_test (offline)" },
6684         { "nvram_test (online)" },
6685         { "interrupt_test (online)" },
6686         { "link_test (online)" },
6687 };
6688
6689 static int
6690 bnx2_get_sset_count(struct net_device *dev, int sset)
6691 {
6692         switch (sset) {
6693         case ETH_SS_TEST:
6694                 return BNX2_NUM_TESTS;
6695         case ETH_SS_STATS:
6696                 return BNX2_NUM_STATS;
6697         default:
6698                 return -EOPNOTSUPP;
6699         }
6700 }
6701
6702 static void
6703 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6704 {
6705         struct bnx2 *bp = netdev_priv(dev);
6706
6707         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6708         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6709                 int i;
6710
6711                 bnx2_netif_stop(bp);
6712                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6713                 bnx2_free_skbs(bp);
6714
6715                 if (bnx2_test_registers(bp) != 0) {
6716                         buf[0] = 1;
6717                         etest->flags |= ETH_TEST_FL_FAILED;
6718                 }
6719                 if (bnx2_test_memory(bp) != 0) {
6720                         buf[1] = 1;
6721                         etest->flags |= ETH_TEST_FL_FAILED;
6722                 }
6723                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6724                         etest->flags |= ETH_TEST_FL_FAILED;
6725
6726                 if (!netif_running(bp->dev)) {
6727                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6728                 }
6729                 else {
6730                         bnx2_init_nic(bp);
6731                         bnx2_netif_start(bp);
6732                 }
6733
6734                 /* wait for link up */
6735                 for (i = 0; i < 7; i++) {
6736                         if (bp->link_up)
6737                                 break;
6738                         msleep_interruptible(1000);
6739                 }
6740         }
6741
6742         if (bnx2_test_nvram(bp) != 0) {
6743                 buf[3] = 1;
6744                 etest->flags |= ETH_TEST_FL_FAILED;
6745         }
6746         if (bnx2_test_intr(bp) != 0) {
6747                 buf[4] = 1;
6748                 etest->flags |= ETH_TEST_FL_FAILED;
6749         }
6750
6751         if (bnx2_test_link(bp) != 0) {
6752                 buf[5] = 1;
6753                 etest->flags |= ETH_TEST_FL_FAILED;
6754
6755         }
6756 }
6757
6758 static void
6759 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6760 {
6761         switch (stringset) {
6762         case ETH_SS_STATS:
6763                 memcpy(buf, bnx2_stats_str_arr,
6764                         sizeof(bnx2_stats_str_arr));
6765                 break;
6766         case ETH_SS_TEST:
6767                 memcpy(buf, bnx2_tests_str_arr,
6768                         sizeof(bnx2_tests_str_arr));
6769                 break;
6770         }
6771 }
6772
6773 static void
6774 bnx2_get_ethtool_stats(struct net_device *dev,
6775                 struct ethtool_stats *stats, u64 *buf)
6776 {
6777         struct bnx2 *bp = netdev_priv(dev);
6778         int i;
6779         u32 *hw_stats = (u32 *) bp->stats_blk;
6780         u8 *stats_len_arr = NULL;
6781
6782         if (hw_stats == NULL) {
6783                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6784                 return;
6785         }
6786
6787         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6788             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6789             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6790             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6791                 stats_len_arr = bnx2_5706_stats_len_arr;
6792         else
6793                 stats_len_arr = bnx2_5708_stats_len_arr;
6794
6795         for (i = 0; i < BNX2_NUM_STATS; i++) {
6796                 if (stats_len_arr[i] == 0) {
6797                         /* skip this counter */
6798                         buf[i] = 0;
6799                         continue;
6800                 }
6801                 if (stats_len_arr[i] == 4) {
6802                         /* 4-byte counter */
6803                         buf[i] = (u64)
6804                                 *(hw_stats + bnx2_stats_offset_arr[i]);
6805                         continue;
6806                 }
6807                 /* 8-byte counter */
6808                 buf[i] = (((u64) *(hw_stats +
6809                                         bnx2_stats_offset_arr[i])) << 32) +
6810                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6811         }
6812 }
6813
6814 static int
6815 bnx2_phys_id(struct net_device *dev, u32 data)
6816 {
6817         struct bnx2 *bp = netdev_priv(dev);
6818         int i;
6819         u32 save;
6820
6821         if (data == 0)
6822                 data = 2;
6823
6824         save = REG_RD(bp, BNX2_MISC_CFG);
6825         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6826
6827         for (i = 0; i < (data * 2); i++) {
6828                 if ((i % 2) == 0) {
6829                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6830                 }
6831                 else {
6832                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6833                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
6834                                 BNX2_EMAC_LED_100MB_OVERRIDE |
6835                                 BNX2_EMAC_LED_10MB_OVERRIDE |
6836                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6837                                 BNX2_EMAC_LED_TRAFFIC);
6838                 }
6839                 msleep_interruptible(500);
6840                 if (signal_pending(current))
6841                         break;
6842         }
6843         REG_WR(bp, BNX2_EMAC_LED, 0);
6844         REG_WR(bp, BNX2_MISC_CFG, save);
6845         return 0;
6846 }
6847
6848 static int
6849 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6850 {
6851         struct bnx2 *bp = netdev_priv(dev);
6852
6853         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6854                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6855         else
6856                 return (ethtool_op_set_tx_csum(dev, data));
6857 }
6858
6859 static const struct ethtool_ops bnx2_ethtool_ops = {
6860         .get_settings           = bnx2_get_settings,
6861         .set_settings           = bnx2_set_settings,
6862         .get_drvinfo            = bnx2_get_drvinfo,
6863         .get_regs_len           = bnx2_get_regs_len,
6864         .get_regs               = bnx2_get_regs,
6865         .get_wol                = bnx2_get_wol,
6866         .set_wol                = bnx2_set_wol,
6867         .nway_reset             = bnx2_nway_reset,
6868         .get_link               = ethtool_op_get_link,
6869         .get_eeprom_len         = bnx2_get_eeprom_len,
6870         .get_eeprom             = bnx2_get_eeprom,
6871         .set_eeprom             = bnx2_set_eeprom,
6872         .get_coalesce           = bnx2_get_coalesce,
6873         .set_coalesce           = bnx2_set_coalesce,
6874         .get_ringparam          = bnx2_get_ringparam,
6875         .set_ringparam          = bnx2_set_ringparam,
6876         .get_pauseparam         = bnx2_get_pauseparam,
6877         .set_pauseparam         = bnx2_set_pauseparam,
6878         .get_rx_csum            = bnx2_get_rx_csum,
6879         .set_rx_csum            = bnx2_set_rx_csum,
6880         .set_tx_csum            = bnx2_set_tx_csum,
6881         .set_sg                 = ethtool_op_set_sg,
6882         .set_tso                = bnx2_set_tso,
6883         .self_test              = bnx2_self_test,
6884         .get_strings            = bnx2_get_strings,
6885         .phys_id                = bnx2_phys_id,
6886         .get_ethtool_stats      = bnx2_get_ethtool_stats,
6887         .get_sset_count         = bnx2_get_sset_count,
6888 };
6889
6890 /* Called with rtnl_lock */
6891 static int
6892 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6893 {
6894         struct mii_ioctl_data *data = if_mii(ifr);
6895         struct bnx2 *bp = netdev_priv(dev);
6896         int err;
6897
6898         switch(cmd) {
6899         case SIOCGMIIPHY:
6900                 data->phy_id = bp->phy_addr;
6901
6902                 /* fallthru */
6903         case SIOCGMIIREG: {
6904                 u32 mii_regval;
6905
6906                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6907                         return -EOPNOTSUPP;
6908
6909                 if (!netif_running(dev))
6910                         return -EAGAIN;
6911
6912                 spin_lock_bh(&bp->phy_lock);
6913                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6914                 spin_unlock_bh(&bp->phy_lock);
6915
6916                 data->val_out = mii_regval;
6917
6918                 return err;
6919         }
6920
6921         case SIOCSMIIREG:
6922                 if (!capable(CAP_NET_ADMIN))
6923                         return -EPERM;
6924
6925                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6926                         return -EOPNOTSUPP;
6927
6928                 if (!netif_running(dev))
6929                         return -EAGAIN;
6930
6931                 spin_lock_bh(&bp->phy_lock);
6932                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6933                 spin_unlock_bh(&bp->phy_lock);
6934
6935                 return err;
6936
6937         default:
6938                 /* do nothing */
6939                 break;
6940         }
6941         return -EOPNOTSUPP;
6942 }
6943
6944 /* Called with rtnl_lock */
6945 static int
6946 bnx2_change_mac_addr(struct net_device *dev, void *p)
6947 {
6948         struct sockaddr *addr = p;
6949         struct bnx2 *bp = netdev_priv(dev);
6950
6951         if (!is_valid_ether_addr(addr->sa_data))
6952                 return -EINVAL;
6953
6954         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6955         if (netif_running(dev))
6956                 bnx2_set_mac_addr(bp);
6957
6958         return 0;
6959 }
6960
6961 /* Called with rtnl_lock */
6962 static int
6963 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6964 {
6965         struct bnx2 *bp = netdev_priv(dev);
6966
6967         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6968                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6969                 return -EINVAL;
6970
6971         dev->mtu = new_mtu;
6972         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6973 }
6974
6975 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6976 static void
6977 poll_bnx2(struct net_device *dev)
6978 {
6979         struct bnx2 *bp = netdev_priv(dev);
6980
6981         disable_irq(bp->pdev->irq);
6982         bnx2_interrupt(bp->pdev->irq, dev);
6983         enable_irq(bp->pdev->irq);
6984 }
6985 #endif
6986
6987 static void __devinit
6988 bnx2_get_5709_media(struct bnx2 *bp)
6989 {
6990         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6991         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6992         u32 strap;
6993
6994         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6995                 return;
6996         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6997                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6998                 return;
6999         }
7000
7001         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7002                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7003         else
7004                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7005
7006         if (PCI_FUNC(bp->pdev->devfn) == 0) {
7007                 switch (strap) {
7008                 case 0x4:
7009                 case 0x5:
7010                 case 0x6:
7011                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7012                         return;
7013                 }
7014         } else {
7015                 switch (strap) {
7016                 case 0x1:
7017                 case 0x2:
7018                 case 0x4:
7019                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7020                         return;
7021                 }
7022         }
7023 }
7024
7025 static void __devinit
7026 bnx2_get_pci_speed(struct bnx2 *bp)
7027 {
7028         u32 reg;
7029
7030         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7031         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7032                 u32 clkreg;
7033
7034                 bp->flags |= BNX2_FLAG_PCIX;
7035
7036                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7037
7038                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7039                 switch (clkreg) {
7040                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7041                         bp->bus_speed_mhz = 133;
7042                         break;
7043
7044                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7045                         bp->bus_speed_mhz = 100;
7046                         break;
7047
7048                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7049                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7050                         bp->bus_speed_mhz = 66;
7051                         break;
7052
7053                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7054                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7055                         bp->bus_speed_mhz = 50;
7056                         break;
7057
7058                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7059                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7060                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7061                         bp->bus_speed_mhz = 33;
7062                         break;
7063                 }
7064         }
7065         else {
7066                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7067                         bp->bus_speed_mhz = 66;
7068                 else
7069                         bp->bus_speed_mhz = 33;
7070         }
7071
7072         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7073                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7074
7075 }
7076
7077 static int __devinit
7078 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7079 {
7080         struct bnx2 *bp;
7081         unsigned long mem_len;
7082         int rc, i, j;
7083         u32 reg;
7084         u64 dma_mask, persist_dma_mask;
7085
7086         SET_NETDEV_DEV(dev, &pdev->dev);
7087         bp = netdev_priv(dev);
7088
7089         bp->flags = 0;
7090         bp->phy_flags = 0;
7091
7092         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7093         rc = pci_enable_device(pdev);
7094         if (rc) {
7095                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7096                 goto err_out;
7097         }
7098
7099         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7100                 dev_err(&pdev->dev,
7101                         "Cannot find PCI device base address, aborting.\n");
7102                 rc = -ENODEV;
7103                 goto err_out_disable;
7104         }
7105
7106         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7107         if (rc) {
7108                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7109                 goto err_out_disable;
7110         }
7111
7112         pci_set_master(pdev);
7113
7114         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7115         if (bp->pm_cap == 0) {
7116                 dev_err(&pdev->dev,
7117                         "Cannot find power management capability, aborting.\n");
7118                 rc = -EIO;
7119                 goto err_out_release;
7120         }
7121
7122         bp->dev = dev;
7123         bp->pdev = pdev;
7124
7125         spin_lock_init(&bp->phy_lock);
7126         spin_lock_init(&bp->indirect_lock);
7127         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7128
7129         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7130         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7131         dev->mem_end = dev->mem_start + mem_len;
7132         dev->irq = pdev->irq;
7133
7134         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7135
7136         if (!bp->regview) {
7137                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7138                 rc = -ENOMEM;
7139                 goto err_out_release;
7140         }
7141
7142         /* Configure byte swap and enable write to the reg_window registers.
7143          * Rely on CPU to do target byte swapping on big endian systems
7144          * The chip's target access swapping will not swap all accesses
7145          */
7146         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7147                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7148                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7149
7150         bnx2_set_power_state(bp, PCI_D0);
7151
7152         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7153
7154         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7155                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7156                         dev_err(&pdev->dev,
7157                                 "Cannot find PCIE capability, aborting.\n");
7158                         rc = -EIO;
7159                         goto err_out_unmap;
7160                 }
7161                 bp->flags |= BNX2_FLAG_PCIE;
7162                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7163                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7164         } else {
7165                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7166                 if (bp->pcix_cap == 0) {
7167                         dev_err(&pdev->dev,
7168                                 "Cannot find PCIX capability, aborting.\n");
7169                         rc = -EIO;
7170                         goto err_out_unmap;
7171                 }
7172         }
7173
7174         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7175                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7176                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7177         }
7178
7179         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7180                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7181                         bp->flags |= BNX2_FLAG_MSI_CAP;
7182         }
7183
7184         /* 5708 cannot support DMA addresses > 40-bit.  */
7185         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7186                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7187         else
7188                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7189
7190         /* Configure DMA attributes. */
7191         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7192                 dev->features |= NETIF_F_HIGHDMA;
7193                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7194                 if (rc) {
7195                         dev_err(&pdev->dev,
7196                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7197                         goto err_out_unmap;
7198                 }
7199         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7200                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7201                 goto err_out_unmap;
7202         }
7203
7204         if (!(bp->flags & BNX2_FLAG_PCIE))
7205                 bnx2_get_pci_speed(bp);
7206
7207         /* 5706A0 may falsely detect SERR and PERR. */
7208         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7209                 reg = REG_RD(bp, PCI_COMMAND);
7210                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7211                 REG_WR(bp, PCI_COMMAND, reg);
7212         }
7213         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7214                 !(bp->flags & BNX2_FLAG_PCIX)) {
7215
7216                 dev_err(&pdev->dev,
7217                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7218                 goto err_out_unmap;
7219         }
7220
7221         bnx2_init_nvram(bp);
7222
7223         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7224
7225         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7226             BNX2_SHM_HDR_SIGNATURE_SIG) {
7227                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7228
7229                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7230         } else
7231                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7232
7233         /* Get the permanent MAC address.  First we need to make sure the
7234          * firmware is actually running.
7235          */
7236         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7237
7238         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7239             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7240                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7241                 rc = -ENODEV;
7242                 goto err_out_unmap;
7243         }
7244
7245         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7246         for (i = 0, j = 0; i < 3; i++) {
7247                 u8 num, k, skip0;
7248
7249                 num = (u8) (reg >> (24 - (i * 8)));
7250                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7251                         if (num >= k || !skip0 || k == 1) {
7252                                 bp->fw_version[j++] = (num / k) + '0';
7253                                 skip0 = 0;
7254                         }
7255                 }
7256                 if (i != 2)
7257                         bp->fw_version[j++] = '.';
7258         }
7259         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7260         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7261                 bp->wol = 1;
7262
7263         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7264                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7265
7266                 for (i = 0; i < 30; i++) {
7267                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7268                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7269                                 break;
7270                         msleep(10);
7271                 }
7272         }
7273         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7274         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7275         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7276             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7277                 int i;
7278                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7279
7280                 bp->fw_version[j++] = ' ';
7281                 for (i = 0; i < 3; i++) {
7282                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7283                         reg = swab32(reg);
7284                         memcpy(&bp->fw_version[j], &reg, 4);
7285                         j += 4;
7286                 }
7287         }
7288
7289         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7290         bp->mac_addr[0] = (u8) (reg >> 8);
7291         bp->mac_addr[1] = (u8) reg;
7292
7293         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7294         bp->mac_addr[2] = (u8) (reg >> 24);
7295         bp->mac_addr[3] = (u8) (reg >> 16);
7296         bp->mac_addr[4] = (u8) (reg >> 8);
7297         bp->mac_addr[5] = (u8) reg;
7298
7299         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7300
7301         bp->tx_ring_size = MAX_TX_DESC_CNT;
7302         bnx2_set_rx_ring_size(bp, 255);
7303
7304         bp->rx_csum = 1;
7305
7306         bp->tx_quick_cons_trip_int = 20;
7307         bp->tx_quick_cons_trip = 20;
7308         bp->tx_ticks_int = 80;
7309         bp->tx_ticks = 80;
7310
7311         bp->rx_quick_cons_trip_int = 6;
7312         bp->rx_quick_cons_trip = 6;
7313         bp->rx_ticks_int = 18;
7314         bp->rx_ticks = 18;
7315
7316         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7317
7318         bp->timer_interval =  HZ;
7319         bp->current_interval =  HZ;
7320
7321         bp->phy_addr = 1;
7322
7323         /* Disable WOL support if we are running on a SERDES chip. */
7324         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7325                 bnx2_get_5709_media(bp);
7326         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7327                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7328
7329         bp->phy_port = PORT_TP;
7330         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7331                 bp->phy_port = PORT_FIBRE;
7332                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7333                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7334                         bp->flags |= BNX2_FLAG_NO_WOL;
7335                         bp->wol = 0;
7336                 }
7337                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7338                         /* Don't do parallel detect on this board because of
7339                          * some board problems.  The link will not go down
7340                          * if we do parallel detect.
7341                          */
7342                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7343                             pdev->subsystem_device == 0x310c)
7344                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7345                 } else {
7346                         bp->phy_addr = 2;
7347                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7348                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7349                 }
7350                 bnx2_init_remote_phy(bp);
7351
7352         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7353                    CHIP_NUM(bp) == CHIP_NUM_5708)
7354                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7355         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7356                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7357                   CHIP_REV(bp) == CHIP_REV_Bx))
7358                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7359
7360         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7361             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7362             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7363                 bp->flags |= BNX2_FLAG_NO_WOL;
7364                 bp->wol = 0;
7365         }
7366
7367         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7368                 bp->tx_quick_cons_trip_int =
7369                         bp->tx_quick_cons_trip;
7370                 bp->tx_ticks_int = bp->tx_ticks;
7371                 bp->rx_quick_cons_trip_int =
7372                         bp->rx_quick_cons_trip;
7373                 bp->rx_ticks_int = bp->rx_ticks;
7374                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7375                 bp->com_ticks_int = bp->com_ticks;
7376                 bp->cmd_ticks_int = bp->cmd_ticks;
7377         }
7378
7379         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7380          *
7381          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7382          * with byte enables disabled on the unused 32-bit word.  This is legal
7383          * but causes problems on the AMD 8132 which will eventually stop
7384          * responding after a while.
7385          *
7386          * AMD believes this incompatibility is unique to the 5706, and
7387          * prefers to locally disable MSI rather than globally disabling it.
7388          */
7389         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7390                 struct pci_dev *amd_8132 = NULL;
7391
7392                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7393                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7394                                                   amd_8132))) {
7395
7396                         if (amd_8132->revision >= 0x10 &&
7397                             amd_8132->revision <= 0x13) {
7398                                 disable_msi = 1;
7399                                 pci_dev_put(amd_8132);
7400                                 break;
7401                         }
7402                 }
7403         }
7404
7405         bnx2_set_default_link(bp);
7406         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7407
7408         init_timer(&bp->timer);
7409         bp->timer.expires = RUN_AT(bp->timer_interval);
7410         bp->timer.data = (unsigned long) bp;
7411         bp->timer.function = bnx2_timer;
7412
7413         return 0;
7414
7415 err_out_unmap:
7416         if (bp->regview) {
7417                 iounmap(bp->regview);
7418                 bp->regview = NULL;
7419         }
7420
7421 err_out_release:
7422         pci_release_regions(pdev);
7423
7424 err_out_disable:
7425         pci_disable_device(pdev);
7426         pci_set_drvdata(pdev, NULL);
7427
7428 err_out:
7429         return rc;
7430 }
7431
7432 static char * __devinit
7433 bnx2_bus_string(struct bnx2 *bp, char *str)
7434 {
7435         char *s = str;
7436
7437         if (bp->flags & BNX2_FLAG_PCIE) {
7438                 s += sprintf(s, "PCI Express");
7439         } else {
7440                 s += sprintf(s, "PCI");
7441                 if (bp->flags & BNX2_FLAG_PCIX)
7442                         s += sprintf(s, "-X");
7443                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7444                         s += sprintf(s, " 32-bit");
7445                 else
7446                         s += sprintf(s, " 64-bit");
7447                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7448         }
7449         return str;
7450 }
7451
7452 static void __devinit
7453 bnx2_init_napi(struct bnx2 *bp)
7454 {
7455         int i;
7456         struct bnx2_napi *bnapi;
7457
7458         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7459                 bnapi = &bp->bnx2_napi[i];
7460                 bnapi->bp = bp;
7461         }
7462         netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7463         netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7464                        64);
7465 }
7466
7467 static int __devinit
7468 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7469 {
7470         static int version_printed = 0;
7471         struct net_device *dev = NULL;
7472         struct bnx2 *bp;
7473         int rc;
7474         char str[40];
7475         DECLARE_MAC_BUF(mac);
7476
7477         if (version_printed++ == 0)
7478                 printk(KERN_INFO "%s", version);
7479
7480         /* dev zeroed in init_etherdev */
7481         dev = alloc_etherdev(sizeof(*bp));
7482
7483         if (!dev)
7484                 return -ENOMEM;
7485
7486         rc = bnx2_init_board(pdev, dev);
7487         if (rc < 0) {
7488                 free_netdev(dev);
7489                 return rc;
7490         }
7491
7492         dev->open = bnx2_open;
7493         dev->hard_start_xmit = bnx2_start_xmit;
7494         dev->stop = bnx2_close;
7495         dev->get_stats = bnx2_get_stats;
7496         dev->set_multicast_list = bnx2_set_rx_mode;
7497         dev->do_ioctl = bnx2_ioctl;
7498         dev->set_mac_address = bnx2_change_mac_addr;
7499         dev->change_mtu = bnx2_change_mtu;
7500         dev->tx_timeout = bnx2_tx_timeout;
7501         dev->watchdog_timeo = TX_TIMEOUT;
7502 #ifdef BCM_VLAN
7503         dev->vlan_rx_register = bnx2_vlan_rx_register;
7504 #endif
7505         dev->ethtool_ops = &bnx2_ethtool_ops;
7506
7507         bp = netdev_priv(dev);
7508         bnx2_init_napi(bp);
7509
7510 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7511         dev->poll_controller = poll_bnx2;
7512 #endif
7513
7514         pci_set_drvdata(pdev, dev);
7515
7516         memcpy(dev->dev_addr, bp->mac_addr, 6);
7517         memcpy(dev->perm_addr, bp->mac_addr, 6);
7518         bp->name = board_info[ent->driver_data].name;
7519
7520         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7521         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7522                 dev->features |= NETIF_F_IPV6_CSUM;
7523
7524 #ifdef BCM_VLAN
7525         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7526 #endif
7527         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7528         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7529                 dev->features |= NETIF_F_TSO6;
7530
7531         if ((rc = register_netdev(dev))) {
7532                 dev_err(&pdev->dev, "Cannot register net device\n");
7533                 if (bp->regview)
7534                         iounmap(bp->regview);
7535                 pci_release_regions(pdev);
7536                 pci_disable_device(pdev);
7537                 pci_set_drvdata(pdev, NULL);
7538                 free_netdev(dev);
7539                 return rc;
7540         }
7541
7542         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7543                 "IRQ %d, node addr %s\n",
7544                 dev->name,
7545                 bp->name,
7546                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7547                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7548                 bnx2_bus_string(bp, str),
7549                 dev->base_addr,
7550                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7551
7552         return 0;
7553 }
7554
7555 static void __devexit
7556 bnx2_remove_one(struct pci_dev *pdev)
7557 {
7558         struct net_device *dev = pci_get_drvdata(pdev);
7559         struct bnx2 *bp = netdev_priv(dev);
7560
7561         flush_scheduled_work();
7562
7563         unregister_netdev(dev);
7564
7565         if (bp->regview)
7566                 iounmap(bp->regview);
7567
7568         free_netdev(dev);
7569         pci_release_regions(pdev);
7570         pci_disable_device(pdev);
7571         pci_set_drvdata(pdev, NULL);
7572 }
7573
7574 static int
7575 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7576 {
7577         struct net_device *dev = pci_get_drvdata(pdev);
7578         struct bnx2 *bp = netdev_priv(dev);
7579         u32 reset_code;
7580
7581         /* PCI register 4 needs to be saved whether netif_running() or not.
7582          * MSI address and data need to be saved if using MSI and
7583          * netif_running().
7584          */
7585         pci_save_state(pdev);
7586         if (!netif_running(dev))
7587                 return 0;
7588
7589         flush_scheduled_work();
7590         bnx2_netif_stop(bp);
7591         netif_device_detach(dev);
7592         del_timer_sync(&bp->timer);
7593         if (bp->flags & BNX2_FLAG_NO_WOL)
7594                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7595         else if (bp->wol)
7596                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7597         else
7598                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7599         bnx2_reset_chip(bp, reset_code);
7600         bnx2_free_skbs(bp);
7601         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7602         return 0;
7603 }
7604
7605 static int
7606 bnx2_resume(struct pci_dev *pdev)
7607 {
7608         struct net_device *dev = pci_get_drvdata(pdev);
7609         struct bnx2 *bp = netdev_priv(dev);
7610
7611         pci_restore_state(pdev);
7612         if (!netif_running(dev))
7613                 return 0;
7614
7615         bnx2_set_power_state(bp, PCI_D0);
7616         netif_device_attach(dev);
7617         bnx2_init_nic(bp);
7618         bnx2_netif_start(bp);
7619         return 0;
7620 }
7621
7622 static struct pci_driver bnx2_pci_driver = {
7623         .name           = DRV_MODULE_NAME,
7624         .id_table       = bnx2_pci_tbl,
7625         .probe          = bnx2_init_one,
7626         .remove         = __devexit_p(bnx2_remove_one),
7627         .suspend        = bnx2_suspend,
7628         .resume         = bnx2_resume,
7629 };
7630
7631 static int __init bnx2_init(void)
7632 {
7633         return pci_register_driver(&bnx2_pci_driver);
7634 }
7635
7636 static void __exit bnx2_cleanup(void)
7637 {
7638         pci_unregister_driver(&bnx2_pci_driver);
7639 }
7640
7641 module_init(bnx2_init);
7642 module_exit(bnx2_cleanup);
7643
7644
7645