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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / ethernet / broadcom / bnx2.c
blob021fb818007a7932fa9eb918d188f9507aff517d
1 /* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004-2011 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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16
17 #include <linux/kernel.h>
18 #include <linux/timer.h>
19 #include <linux/errno.h>
20 #include <linux/ioport.h>
21 #include <linux/slab.h>
22 #include <linux/vmalloc.h>
23 #include <linux/interrupt.h>
24 #include <linux/pci.h>
25 #include <linux/init.h>
26 #include <linux/netdevice.h>
27 #include <linux/etherdevice.h>
28 #include <linux/skbuff.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/bitops.h>
31 #include <asm/io.h>
32 #include <asm/irq.h>
33 #include <linux/delay.h>
34 #include <asm/byteorder.h>
35 #include <asm/page.h>
36 #include <linux/time.h>
37 #include <linux/ethtool.h>
38 #include <linux/mii.h>
39 #include <linux/if.h>
40 #include <linux/if_vlan.h>
41 #include <net/ip.h>
42 #include <net/tcp.h>
43 #include <net/checksum.h>
44 #include <linux/workqueue.h>
45 #include <linux/crc32.h>
46 #include <linux/prefetch.h>
47 #include <linux/cache.h>
48 #include <linux/firmware.h>
49 #include <linux/log2.h>
50 #include <linux/aer.h>
51
52 #if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
53 #define BCM_CNIC 1
54 #include "cnic_if.h"
55 #endif
56 #include "bnx2.h"
57 #include "bnx2_fw.h"
58
59 #define DRV_MODULE_NAME "bnx2"
60 #define DRV_MODULE_VERSION "2.2.1"
61 #define DRV_MODULE_RELDATE "Dec 18, 2011"
62 #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
63 #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
64 #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
65 #define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
66 #define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
67
68 #define RUN_AT(x) (jiffies + (x))
69
70 /* Time in jiffies before concluding the transmitter is hung. */
71 #define TX_TIMEOUT (5*HZ)
72
73 static char version[] __devinitdata =
74 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
75
76 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
77 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
78 MODULE_LICENSE("GPL");
79 MODULE_VERSION(DRV_MODULE_VERSION);
80 MODULE_FIRMWARE(FW_MIPS_FILE_06);
81 MODULE_FIRMWARE(FW_RV2P_FILE_06);
82 MODULE_FIRMWARE(FW_MIPS_FILE_09);
83 MODULE_FIRMWARE(FW_RV2P_FILE_09);
84 MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
85
86 static int disable_msi = 0;
87
88 module_param(disable_msi, int, 0);
89 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
90
91 typedef enum {
92 BCM5706 = 0,
93 NC370T,
94 NC370I,
95 BCM5706S,
96 NC370F,
97 BCM5708,
98 BCM5708S,
99 BCM5709,
100 BCM5709S,
101 BCM5716,
102 BCM5716S,
103 } board_t;
104
105 /* indexed by board_t, above */
106 static struct {
107 char *name;
108 } board_info[] __devinitdata = {
109 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
110 { "HP NC370T Multifunction Gigabit Server Adapter" },
111 { "HP NC370i Multifunction Gigabit Server Adapter" },
112 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
113 { "HP NC370F Multifunction Gigabit Server Adapter" },
114 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
115 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
116 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
117 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
118 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
119 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
120 };
121
122 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
124 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
126 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
132 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
141 { PCI_VENDOR_ID_BROADCOM, 0x163b,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
143 { PCI_VENDOR_ID_BROADCOM, 0x163c,
144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
145 { 0, }
146 };
147
148 static const struct flash_spec flash_table[] =
149 {
150 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
151 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
152 /* Slow EEPROM */
153 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
154 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
155 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
156 "EEPROM - slow"},
157 /* Expansion entry 0001 */
158 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
159 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
160 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
161 "Entry 0001"},
162 /* Saifun SA25F010 (non-buffered flash) */
163 /* strap, cfg1, & write1 need updates */
164 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
165 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
166 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
167 "Non-buffered flash (128kB)"},
168 /* Saifun SA25F020 (non-buffered flash) */
169 /* strap, cfg1, & write1 need updates */
170 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
171 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
172 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
173 "Non-buffered flash (256kB)"},
174 /* Expansion entry 0100 */
175 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
176 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
177 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
178 "Entry 0100"},
179 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
180 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
181 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
182 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
183 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
184 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
185 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
186 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
187 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
188 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
189 /* Saifun SA25F005 (non-buffered flash) */
190 /* strap, cfg1, & write1 need updates */
191 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
192 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
193 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
194 "Non-buffered flash (64kB)"},
195 /* Fast EEPROM */
196 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
197 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
198 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
199 "EEPROM - fast"},
200 /* Expansion entry 1001 */
201 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
202 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
203 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
204 "Entry 1001"},
205 /* Expansion entry 1010 */
206 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
207 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
208 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
209 "Entry 1010"},
210 /* ATMEL AT45DB011B (buffered flash) */
211 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
212 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
213 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
214 "Buffered flash (128kB)"},
215 /* Expansion entry 1100 */
216 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
217 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
218 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
219 "Entry 1100"},
220 /* Expansion entry 1101 */
221 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
222 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
223 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
224 "Entry 1101"},
225 /* Ateml Expansion entry 1110 */
226 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
227 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
228 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
229 "Entry 1110 (Atmel)"},
230 /* ATMEL AT45DB021B (buffered flash) */
231 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
232 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
233 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
234 "Buffered flash (256kB)"},
235 };
236
237 static const struct flash_spec flash_5709 = {
238 .flags = BNX2_NV_BUFFERED,
239 .page_bits = BCM5709_FLASH_PAGE_BITS,
240 .page_size = BCM5709_FLASH_PAGE_SIZE,
241 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
242 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
243 .name = "5709 Buffered flash (256kB)",
244 };
245
246 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
247
248 static void bnx2_init_napi(struct bnx2 *bp);
249 static void bnx2_del_napi(struct bnx2 *bp);
250
251 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
252 {
253 u32 diff;
254
255 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
256 barrier();
257
258 /* The ring uses 256 indices for 255 entries, one of them
259 * needs to be skipped.
260 */
261 diff = txr->tx_prod - txr->tx_cons;
262 if (unlikely(diff >= TX_DESC_CNT)) {
263 diff &= 0xffff;
264 if (diff == TX_DESC_CNT)
265 diff = MAX_TX_DESC_CNT;
266 }
267 return bp->tx_ring_size - diff;
268 }
269
270 static u32
271 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
272 {
273 u32 val;
274
275 spin_lock_bh(&bp->indirect_lock);
276 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
277 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
278 spin_unlock_bh(&bp->indirect_lock);
279 return val;
280 }
281
282 static void
283 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
284 {
285 spin_lock_bh(&bp->indirect_lock);
286 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
287 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
288 spin_unlock_bh(&bp->indirect_lock);
289 }
290
291 static void
292 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
293 {
294 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
295 }
296
297 static u32
298 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
299 {
300 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
301 }
302
303 static void
304 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
305 {
306 offset += cid_addr;
307 spin_lock_bh(&bp->indirect_lock);
308 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
309 int i;
310
311 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
312 REG_WR(bp, BNX2_CTX_CTX_CTRL,
313 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
314 for (i = 0; i < 5; i++) {
315 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
316 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
317 break;
318 udelay(5);
319 }
320 } else {
321 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
322 REG_WR(bp, BNX2_CTX_DATA, val);
323 }
324 spin_unlock_bh(&bp->indirect_lock);
325 }
326
327 #ifdef BCM_CNIC
328 static int
329 bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
330 {
331 struct bnx2 *bp = netdev_priv(dev);
332 struct drv_ctl_io *io = &info->data.io;
333
334 switch (info->cmd) {
335 case DRV_CTL_IO_WR_CMD:
336 bnx2_reg_wr_ind(bp, io->offset, io->data);
337 break;
338 case DRV_CTL_IO_RD_CMD:
339 io->data = bnx2_reg_rd_ind(bp, io->offset);
340 break;
341 case DRV_CTL_CTX_WR_CMD:
342 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
343 break;
344 default:
345 return -EINVAL;
346 }
347 return 0;
348 }
349
350 static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
351 {
352 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
353 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
354 int sb_id;
355
356 if (bp->flags & BNX2_FLAG_USING_MSIX) {
357 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
358 bnapi->cnic_present = 0;
359 sb_id = bp->irq_nvecs;
360 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
361 } else {
362 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
363 bnapi->cnic_tag = bnapi->last_status_idx;
364 bnapi->cnic_present = 1;
365 sb_id = 0;
366 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
367 }
368
369 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
370 cp->irq_arr[0].status_blk = (void *)
371 ((unsigned long) bnapi->status_blk.msi +
372 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
373 cp->irq_arr[0].status_blk_num = sb_id;
374 cp->num_irq = 1;
375 }
376
377 static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
378 void *data)
379 {
380 struct bnx2 *bp = netdev_priv(dev);
381 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
382
383 if (ops == NULL)
384 return -EINVAL;
385
386 if (cp->drv_state & CNIC_DRV_STATE_REGD)
387 return -EBUSY;
388
389 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
390 return -ENODEV;
391
392 bp->cnic_data = data;
393 rcu_assign_pointer(bp->cnic_ops, ops);
394
395 cp->num_irq = 0;
396 cp->drv_state = CNIC_DRV_STATE_REGD;
397
398 bnx2_setup_cnic_irq_info(bp);
399
400 return 0;
401 }
402
403 static int bnx2_unregister_cnic(struct net_device *dev)
404 {
405 struct bnx2 *bp = netdev_priv(dev);
406 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
407 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
408
409 mutex_lock(&bp->cnic_lock);
410 cp->drv_state = 0;
411 bnapi->cnic_present = 0;
412 RCU_INIT_POINTER(bp->cnic_ops, NULL);
413 mutex_unlock(&bp->cnic_lock);
414 synchronize_rcu();
415 return 0;
416 }
417
418 struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
419 {
420 struct bnx2 *bp = netdev_priv(dev);
421 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
422
423 if (!cp->max_iscsi_conn)
424 return NULL;
425
426 cp->drv_owner = THIS_MODULE;
427 cp->chip_id = bp->chip_id;
428 cp->pdev = bp->pdev;
429 cp->io_base = bp->regview;
430 cp->drv_ctl = bnx2_drv_ctl;
431 cp->drv_register_cnic = bnx2_register_cnic;
432 cp->drv_unregister_cnic = bnx2_unregister_cnic;
433
434 return cp;
435 }
436 EXPORT_SYMBOL(bnx2_cnic_probe);
437
438 static void
439 bnx2_cnic_stop(struct bnx2 *bp)
440 {
441 struct cnic_ops *c_ops;
442 struct cnic_ctl_info info;
443
444 mutex_lock(&bp->cnic_lock);
445 c_ops = rcu_dereference_protected(bp->cnic_ops,
446 lockdep_is_held(&bp->cnic_lock));
447 if (c_ops) {
448 info.cmd = CNIC_CTL_STOP_CMD;
449 c_ops->cnic_ctl(bp->cnic_data, &info);
450 }
451 mutex_unlock(&bp->cnic_lock);
452 }
453
454 static void
455 bnx2_cnic_start(struct bnx2 *bp)
456 {
457 struct cnic_ops *c_ops;
458 struct cnic_ctl_info info;
459
460 mutex_lock(&bp->cnic_lock);
461 c_ops = rcu_dereference_protected(bp->cnic_ops,
462 lockdep_is_held(&bp->cnic_lock));
463 if (c_ops) {
464 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
465 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
466
467 bnapi->cnic_tag = bnapi->last_status_idx;
468 }
469 info.cmd = CNIC_CTL_START_CMD;
470 c_ops->cnic_ctl(bp->cnic_data, &info);
471 }
472 mutex_unlock(&bp->cnic_lock);
473 }
474
475 #else
476
477 static void
478 bnx2_cnic_stop(struct bnx2 *bp)
479 {
480 }
481
482 static void
483 bnx2_cnic_start(struct bnx2 *bp)
484 {
485 }
486
487 #endif
488
489 static int
490 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
491 {
492 u32 val1;
493 int i, ret;
494
495 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
496 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
497 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
498
499 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
500 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
501
502 udelay(40);
503 }
504
505 val1 = (bp->phy_addr << 21) | (reg << 16) |
506 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
507 BNX2_EMAC_MDIO_COMM_START_BUSY;
508 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
509
510 for (i = 0; i < 50; i++) {
511 udelay(10);
512
513 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
514 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
515 udelay(5);
516
517 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
518 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
519
520 break;
521 }
522 }
523
524 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
525 *val = 0x0;
526 ret = -EBUSY;
527 }
528 else {
529 *val = val1;
530 ret = 0;
531 }
532
533 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
534 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
535 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
536
537 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
538 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
539
540 udelay(40);
541 }
542
543 return ret;
544 }
545
546 static int
547 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
548 {
549 u32 val1;
550 int i, ret;
551
552 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
553 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
554 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
555
556 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
557 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
558
559 udelay(40);
560 }
561
562 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
563 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
564 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
565 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
566
567 for (i = 0; i < 50; i++) {
568 udelay(10);
569
570 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
571 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
572 udelay(5);
573 break;
574 }
575 }
576
577 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
578 ret = -EBUSY;
579 else
580 ret = 0;
581
582 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
583 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
584 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
585
586 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
587 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
588
589 udelay(40);
590 }
591
592 return ret;
593 }
594
595 static void
596 bnx2_disable_int(struct bnx2 *bp)
597 {
598 int i;
599 struct bnx2_napi *bnapi;
600
601 for (i = 0; i < bp->irq_nvecs; i++) {
602 bnapi = &bp->bnx2_napi[i];
603 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
604 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
605 }
606 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
607 }
608
609 static void
610 bnx2_enable_int(struct bnx2 *bp)
611 {
612 int i;
613 struct bnx2_napi *bnapi;
614
615 for (i = 0; i < bp->irq_nvecs; i++) {
616 bnapi = &bp->bnx2_napi[i];
617
618 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
619 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
620 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
621 bnapi->last_status_idx);
622
623 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
624 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
625 bnapi->last_status_idx);
626 }
627 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
628 }
629
630 static void
631 bnx2_disable_int_sync(struct bnx2 *bp)
632 {
633 int i;
634
635 atomic_inc(&bp->intr_sem);
636 if (!netif_running(bp->dev))
637 return;
638
639 bnx2_disable_int(bp);
640 for (i = 0; i < bp->irq_nvecs; i++)
641 synchronize_irq(bp->irq_tbl[i].vector);
642 }
643
644 static void
645 bnx2_napi_disable(struct bnx2 *bp)
646 {
647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_disable(&bp->bnx2_napi[i].napi);
651 }
652
653 static void
654 bnx2_napi_enable(struct bnx2 *bp)
655 {
656 int i;
657
658 for (i = 0; i < bp->irq_nvecs; i++)
659 napi_enable(&bp->bnx2_napi[i].napi);
660 }
661
662 static void
663 bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
664 {
665 if (stop_cnic)
666 bnx2_cnic_stop(bp);
667 if (netif_running(bp->dev)) {
668 bnx2_napi_disable(bp);
669 netif_tx_disable(bp->dev);
670 }
671 bnx2_disable_int_sync(bp);
672 netif_carrier_off(bp->dev); /* prevent tx timeout */
673 }
674
675 static void
676 bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
677 {
678 if (atomic_dec_and_test(&bp->intr_sem)) {
679 if (netif_running(bp->dev)) {
680 netif_tx_wake_all_queues(bp->dev);
681 spin_lock_bh(&bp->phy_lock);
682 if (bp->link_up)
683 netif_carrier_on(bp->dev);
684 spin_unlock_bh(&bp->phy_lock);
685 bnx2_napi_enable(bp);
686 bnx2_enable_int(bp);
687 if (start_cnic)
688 bnx2_cnic_start(bp);
689 }
690 }
691 }
692
693 static void
694 bnx2_free_tx_mem(struct bnx2 *bp)
695 {
696 int i;
697
698 for (i = 0; i < bp->num_tx_rings; i++) {
699 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
700 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
701
702 if (txr->tx_desc_ring) {
703 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
704 txr->tx_desc_ring,
705 txr->tx_desc_mapping);
706 txr->tx_desc_ring = NULL;
707 }
708 kfree(txr->tx_buf_ring);
709 txr->tx_buf_ring = NULL;
710 }
711 }
712
713 static void
714 bnx2_free_rx_mem(struct bnx2 *bp)
715 {
716 int i;
717
718 for (i = 0; i < bp->num_rx_rings; i++) {
719 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
720 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
721 int j;
722
723 for (j = 0; j < bp->rx_max_ring; j++) {
724 if (rxr->rx_desc_ring[j])
725 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
726 rxr->rx_desc_ring[j],
727 rxr->rx_desc_mapping[j]);
728 rxr->rx_desc_ring[j] = NULL;
729 }
730 vfree(rxr->rx_buf_ring);
731 rxr->rx_buf_ring = NULL;
732
733 for (j = 0; j < bp->rx_max_pg_ring; j++) {
734 if (rxr->rx_pg_desc_ring[j])
735 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
736 rxr->rx_pg_desc_ring[j],
737 rxr->rx_pg_desc_mapping[j]);
738 rxr->rx_pg_desc_ring[j] = NULL;
739 }
740 vfree(rxr->rx_pg_ring);
741 rxr->rx_pg_ring = NULL;
742 }
743 }
744
745 static int
746 bnx2_alloc_tx_mem(struct bnx2 *bp)
747 {
748 int i;
749
750 for (i = 0; i < bp->num_tx_rings; i++) {
751 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
752 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
753
754 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
755 if (txr->tx_buf_ring == NULL)
756 return -ENOMEM;
757
758 txr->tx_desc_ring =
759 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
760 &txr->tx_desc_mapping, GFP_KERNEL);
761 if (txr->tx_desc_ring == NULL)
762 return -ENOMEM;
763 }
764 return 0;
765 }
766
767 static int
768 bnx2_alloc_rx_mem(struct bnx2 *bp)
769 {
770 int i;
771
772 for (i = 0; i < bp->num_rx_rings; i++) {
773 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
774 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
775 int j;
776
777 rxr->rx_buf_ring =
778 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
779 if (rxr->rx_buf_ring == NULL)
780 return -ENOMEM;
781
782 for (j = 0; j < bp->rx_max_ring; j++) {
783 rxr->rx_desc_ring[j] =
784 dma_alloc_coherent(&bp->pdev->dev,
785 RXBD_RING_SIZE,
786 &rxr->rx_desc_mapping[j],
787 GFP_KERNEL);
788 if (rxr->rx_desc_ring[j] == NULL)
789 return -ENOMEM;
790
791 }
792
793 if (bp->rx_pg_ring_size) {
794 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
795 bp->rx_max_pg_ring);
796 if (rxr->rx_pg_ring == NULL)
797 return -ENOMEM;
798
799 }
800
801 for (j = 0; j < bp->rx_max_pg_ring; j++) {
802 rxr->rx_pg_desc_ring[j] =
803 dma_alloc_coherent(&bp->pdev->dev,
804 RXBD_RING_SIZE,
805 &rxr->rx_pg_desc_mapping[j],
806 GFP_KERNEL);
807 if (rxr->rx_pg_desc_ring[j] == NULL)
808 return -ENOMEM;
809
810 }
811 }
812 return 0;
813 }
814
815 static void
816 bnx2_free_mem(struct bnx2 *bp)
817 {
818 int i;
819 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
820
821 bnx2_free_tx_mem(bp);
822 bnx2_free_rx_mem(bp);
823
824 for (i = 0; i < bp->ctx_pages; i++) {
825 if (bp->ctx_blk[i]) {
826 dma_free_coherent(&bp->pdev->dev, BCM_PAGE_SIZE,
827 bp->ctx_blk[i],
828 bp->ctx_blk_mapping[i]);
829 bp->ctx_blk[i] = NULL;
830 }
831 }
832 if (bnapi->status_blk.msi) {
833 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
834 bnapi->status_blk.msi,
835 bp->status_blk_mapping);
836 bnapi->status_blk.msi = NULL;
837 bp->stats_blk = NULL;
838 }
839 }
840
841 static int
842 bnx2_alloc_mem(struct bnx2 *bp)
843 {
844 int i, status_blk_size, err;
845 struct bnx2_napi *bnapi;
846 void *status_blk;
847
848 /* Combine status and statistics blocks into one allocation. */
849 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
850 if (bp->flags & BNX2_FLAG_MSIX_CAP)
851 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
852 BNX2_SBLK_MSIX_ALIGN_SIZE);
853 bp->status_stats_size = status_blk_size +
854 sizeof(struct statistics_block);
855
856 status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size,
857 &bp->status_blk_mapping, GFP_KERNEL);
858 if (status_blk == NULL)
859 goto alloc_mem_err;
860
861 memset(status_blk, 0, bp->status_stats_size);
862
863 bnapi = &bp->bnx2_napi[0];
864 bnapi->status_blk.msi = status_blk;
865 bnapi->hw_tx_cons_ptr =
866 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
867 bnapi->hw_rx_cons_ptr =
868 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
869 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
870 for (i = 1; i < bp->irq_nvecs; i++) {
871 struct status_block_msix *sblk;
872
873 bnapi = &bp->bnx2_napi[i];
874
875 sblk = (void *) (status_blk +
876 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
877 bnapi->status_blk.msix = sblk;
878 bnapi->hw_tx_cons_ptr =
879 &sblk->status_tx_quick_consumer_index;
880 bnapi->hw_rx_cons_ptr =
881 &sblk->status_rx_quick_consumer_index;
882 bnapi->int_num = i << 24;
883 }
884 }
885
886 bp->stats_blk = status_blk + status_blk_size;
887
888 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
889
890 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
891 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
892 if (bp->ctx_pages == 0)
893 bp->ctx_pages = 1;
894 for (i = 0; i < bp->ctx_pages; i++) {
895 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
896 BCM_PAGE_SIZE,
897 &bp->ctx_blk_mapping[i],
898 GFP_KERNEL);
899 if (bp->ctx_blk[i] == NULL)
900 goto alloc_mem_err;
901 }
902 }
903
904 err = bnx2_alloc_rx_mem(bp);
905 if (err)
906 goto alloc_mem_err;
907
908 err = bnx2_alloc_tx_mem(bp);
909 if (err)
910 goto alloc_mem_err;
911
912 return 0;
913
914 alloc_mem_err:
915 bnx2_free_mem(bp);
916 return -ENOMEM;
917 }
918
919 static void
920 bnx2_report_fw_link(struct bnx2 *bp)
921 {
922 u32 fw_link_status = 0;
923
924 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
925 return;
926
927 if (bp->link_up) {
928 u32 bmsr;
929
930 switch (bp->line_speed) {
931 case SPEED_10:
932 if (bp->duplex == DUPLEX_HALF)
933 fw_link_status = BNX2_LINK_STATUS_10HALF;
934 else
935 fw_link_status = BNX2_LINK_STATUS_10FULL;
936 break;
937 case SPEED_100:
938 if (bp->duplex == DUPLEX_HALF)
939 fw_link_status = BNX2_LINK_STATUS_100HALF;
940 else
941 fw_link_status = BNX2_LINK_STATUS_100FULL;
942 break;
943 case SPEED_1000:
944 if (bp->duplex == DUPLEX_HALF)
945 fw_link_status = BNX2_LINK_STATUS_1000HALF;
946 else
947 fw_link_status = BNX2_LINK_STATUS_1000FULL;
948 break;
949 case SPEED_2500:
950 if (bp->duplex == DUPLEX_HALF)
951 fw_link_status = BNX2_LINK_STATUS_2500HALF;
952 else
953 fw_link_status = BNX2_LINK_STATUS_2500FULL;
954 break;
955 }
956
957 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
958
959 if (bp->autoneg) {
960 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
961
962 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
963 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
964
965 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
966 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
967 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
968 else
969 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
970 }
971 }
972 else
973 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
974
975 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
976 }
977
978 static char *
979 bnx2_xceiver_str(struct bnx2 *bp)
980 {
981 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
982 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
983 "Copper");
984 }
985
986 static void
987 bnx2_report_link(struct bnx2 *bp)
988 {
989 if (bp->link_up) {
990 netif_carrier_on(bp->dev);
991 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
992 bnx2_xceiver_str(bp),
993 bp->line_speed,
994 bp->duplex == DUPLEX_FULL ? "full" : "half");
995
996 if (bp->flow_ctrl) {
997 if (bp->flow_ctrl & FLOW_CTRL_RX) {
998 pr_cont(", receive ");
999 if (bp->flow_ctrl & FLOW_CTRL_TX)
1000 pr_cont("& transmit ");
1001 }
1002 else {
1003 pr_cont(", transmit ");
1004 }
1005 pr_cont("flow control ON");
1006 }
1007 pr_cont("\n");
1008 } else {
1009 netif_carrier_off(bp->dev);
1010 netdev_err(bp->dev, "NIC %s Link is Down\n",
1011 bnx2_xceiver_str(bp));
1012 }
1013
1014 bnx2_report_fw_link(bp);
1015 }
1016
1017 static void
1018 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1019 {
1020 u32 local_adv, remote_adv;
1021
1022 bp->flow_ctrl = 0;
1023 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1024 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1025
1026 if (bp->duplex == DUPLEX_FULL) {
1027 bp->flow_ctrl = bp->req_flow_ctrl;
1028 }
1029 return;
1030 }
1031
1032 if (bp->duplex != DUPLEX_FULL) {
1033 return;
1034 }
1035
1036 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1037 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1038 u32 val;
1039
1040 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1041 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1042 bp->flow_ctrl |= FLOW_CTRL_TX;
1043 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1044 bp->flow_ctrl |= FLOW_CTRL_RX;
1045 return;
1046 }
1047
1048 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1049 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1050
1051 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1052 u32 new_local_adv = 0;
1053 u32 new_remote_adv = 0;
1054
1055 if (local_adv & ADVERTISE_1000XPAUSE)
1056 new_local_adv |= ADVERTISE_PAUSE_CAP;
1057 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1058 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1059 if (remote_adv & ADVERTISE_1000XPAUSE)
1060 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1061 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1062 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1063
1064 local_adv = new_local_adv;
1065 remote_adv = new_remote_adv;
1066 }
1067
1068 /* See Table 28B-3 of 802.3ab-1999 spec. */
1069 if (local_adv & ADVERTISE_PAUSE_CAP) {
1070 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1071 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1072 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1073 }
1074 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1075 bp->flow_ctrl = FLOW_CTRL_RX;
1076 }
1077 }
1078 else {
1079 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1080 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1081 }
1082 }
1083 }
1084 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1085 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1086 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1087
1088 bp->flow_ctrl = FLOW_CTRL_TX;
1089 }
1090 }
1091 }
1092
1093 static int
1094 bnx2_5709s_linkup(struct bnx2 *bp)
1095 {
1096 u32 val, speed;
1097
1098 bp->link_up = 1;
1099
1100 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1101 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1102 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1103
1104 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1105 bp->line_speed = bp->req_line_speed;
1106 bp->duplex = bp->req_duplex;
1107 return 0;
1108 }
1109 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1110 switch (speed) {
1111 case MII_BNX2_GP_TOP_AN_SPEED_10:
1112 bp->line_speed = SPEED_10;
1113 break;
1114 case MII_BNX2_GP_TOP_AN_SPEED_100:
1115 bp->line_speed = SPEED_100;
1116 break;
1117 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1118 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1119 bp->line_speed = SPEED_1000;
1120 break;
1121 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1122 bp->line_speed = SPEED_2500;
1123 break;
1124 }
1125 if (val & MII_BNX2_GP_TOP_AN_FD)
1126 bp->duplex = DUPLEX_FULL;
1127 else
1128 bp->duplex = DUPLEX_HALF;
1129 return 0;
1130 }
1131
1132 static int
1133 bnx2_5708s_linkup(struct bnx2 *bp)
1134 {
1135 u32 val;
1136
1137 bp->link_up = 1;
1138 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1139 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1140 case BCM5708S_1000X_STAT1_SPEED_10:
1141 bp->line_speed = SPEED_10;
1142 break;
1143 case BCM5708S_1000X_STAT1_SPEED_100:
1144 bp->line_speed = SPEED_100;
1145 break;
1146 case BCM5708S_1000X_STAT1_SPEED_1G:
1147 bp->line_speed = SPEED_1000;
1148 break;
1149 case BCM5708S_1000X_STAT1_SPEED_2G5:
1150 bp->line_speed = SPEED_2500;
1151 break;
1152 }
1153 if (val & BCM5708S_1000X_STAT1_FD)
1154 bp->duplex = DUPLEX_FULL;
1155 else
1156 bp->duplex = DUPLEX_HALF;
1157
1158 return 0;
1159 }
1160
1161 static int
1162 bnx2_5706s_linkup(struct bnx2 *bp)
1163 {
1164 u32 bmcr, local_adv, remote_adv, common;
1165
1166 bp->link_up = 1;
1167 bp->line_speed = SPEED_1000;
1168
1169 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1170 if (bmcr & BMCR_FULLDPLX) {
1171 bp->duplex = DUPLEX_FULL;
1172 }
1173 else {
1174 bp->duplex = DUPLEX_HALF;
1175 }
1176
1177 if (!(bmcr & BMCR_ANENABLE)) {
1178 return 0;
1179 }
1180
1181 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1182 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1183
1184 common = local_adv & remote_adv;
1185 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1186
1187 if (common & ADVERTISE_1000XFULL) {
1188 bp->duplex = DUPLEX_FULL;
1189 }
1190 else {
1191 bp->duplex = DUPLEX_HALF;
1192 }
1193 }
1194
1195 return 0;
1196 }
1197
1198 static int
1199 bnx2_copper_linkup(struct bnx2 *bp)
1200 {
1201 u32 bmcr;
1202
1203 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1204 if (bmcr & BMCR_ANENABLE) {
1205 u32 local_adv, remote_adv, common;
1206
1207 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1208 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1209
1210 common = local_adv & (remote_adv >> 2);
1211 if (common & ADVERTISE_1000FULL) {
1212 bp->line_speed = SPEED_1000;
1213 bp->duplex = DUPLEX_FULL;
1214 }
1215 else if (common & ADVERTISE_1000HALF) {
1216 bp->line_speed = SPEED_1000;
1217 bp->duplex = DUPLEX_HALF;
1218 }
1219 else {
1220 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1221 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1222
1223 common = local_adv & remote_adv;
1224 if (common & ADVERTISE_100FULL) {
1225 bp->line_speed = SPEED_100;
1226 bp->duplex = DUPLEX_FULL;
1227 }
1228 else if (common & ADVERTISE_100HALF) {
1229 bp->line_speed = SPEED_100;
1230 bp->duplex = DUPLEX_HALF;
1231 }
1232 else if (common & ADVERTISE_10FULL) {
1233 bp->line_speed = SPEED_10;
1234 bp->duplex = DUPLEX_FULL;
1235 }
1236 else if (common & ADVERTISE_10HALF) {
1237 bp->line_speed = SPEED_10;
1238 bp->duplex = DUPLEX_HALF;
1239 }
1240 else {
1241 bp->line_speed = 0;
1242 bp->link_up = 0;
1243 }
1244 }
1245 }
1246 else {
1247 if (bmcr & BMCR_SPEED100) {
1248 bp->line_speed = SPEED_100;
1249 }
1250 else {
1251 bp->line_speed = SPEED_10;
1252 }
1253 if (bmcr & BMCR_FULLDPLX) {
1254 bp->duplex = DUPLEX_FULL;
1255 }
1256 else {
1257 bp->duplex = DUPLEX_HALF;
1258 }
1259 }
1260
1261 return 0;
1262 }
1263
1264 static void
1265 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1266 {
1267 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1268
1269 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1270 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1271 val |= 0x02 << 8;
1272
1273 if (bp->flow_ctrl & FLOW_CTRL_TX)
1274 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
1275
1276 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1277 }
1278
1279 static void
1280 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1281 {
1282 int i;
1283 u32 cid;
1284
1285 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1286 if (i == 1)
1287 cid = RX_RSS_CID;
1288 bnx2_init_rx_context(bp, cid);
1289 }
1290 }
1291
1292 static void
1293 bnx2_set_mac_link(struct bnx2 *bp)
1294 {
1295 u32 val;
1296
1297 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1298 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1299 (bp->duplex == DUPLEX_HALF)) {
1300 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1301 }
1302
1303 /* Configure the EMAC mode register. */
1304 val = REG_RD(bp, BNX2_EMAC_MODE);
1305
1306 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1307 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1308 BNX2_EMAC_MODE_25G_MODE);
1309
1310 if (bp->link_up) {
1311 switch (bp->line_speed) {
1312 case SPEED_10:
1313 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1314 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1315 break;
1316 }
1317 /* fall through */
1318 case SPEED_100:
1319 val |= BNX2_EMAC_MODE_PORT_MII;
1320 break;
1321 case SPEED_2500:
1322 val |= BNX2_EMAC_MODE_25G_MODE;
1323 /* fall through */
1324 case SPEED_1000:
1325 val |= BNX2_EMAC_MODE_PORT_GMII;
1326 break;
1327 }
1328 }
1329 else {
1330 val |= BNX2_EMAC_MODE_PORT_GMII;
1331 }
1332
1333 /* Set the MAC to operate in the appropriate duplex mode. */
1334 if (bp->duplex == DUPLEX_HALF)
1335 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1336 REG_WR(bp, BNX2_EMAC_MODE, val);
1337
1338 /* Enable/disable rx PAUSE. */
1339 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1340
1341 if (bp->flow_ctrl & FLOW_CTRL_RX)
1342 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1343 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1344
1345 /* Enable/disable tx PAUSE. */
1346 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1347 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1348
1349 if (bp->flow_ctrl & FLOW_CTRL_TX)
1350 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1351 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1352
1353 /* Acknowledge the interrupt. */
1354 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1355
1356 bnx2_init_all_rx_contexts(bp);
1357 }
1358
1359 static void
1360 bnx2_enable_bmsr1(struct bnx2 *bp)
1361 {
1362 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1363 (CHIP_NUM(bp) == CHIP_NUM_5709))
1364 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1365 MII_BNX2_BLK_ADDR_GP_STATUS);
1366 }
1367
1368 static void
1369 bnx2_disable_bmsr1(struct bnx2 *bp)
1370 {
1371 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1372 (CHIP_NUM(bp) == CHIP_NUM_5709))
1373 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1374 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1375 }
1376
1377 static int
1378 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1379 {
1380 u32 up1;
1381 int ret = 1;
1382
1383 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1384 return 0;
1385
1386 if (bp->autoneg & AUTONEG_SPEED)
1387 bp->advertising |= ADVERTISED_2500baseX_Full;
1388
1389 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1390 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1391
1392 bnx2_read_phy(bp, bp->mii_up1, &up1);
1393 if (!(up1 & BCM5708S_UP1_2G5)) {
1394 up1 |= BCM5708S_UP1_2G5;
1395 bnx2_write_phy(bp, bp->mii_up1, up1);
1396 ret = 0;
1397 }
1398
1399 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1400 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1401 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1402
1403 return ret;
1404 }
1405
1406 static int
1407 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1408 {
1409 u32 up1;
1410 int ret = 0;
1411
1412 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1413 return 0;
1414
1415 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1416 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1417
1418 bnx2_read_phy(bp, bp->mii_up1, &up1);
1419 if (up1 & BCM5708S_UP1_2G5) {
1420 up1 &= ~BCM5708S_UP1_2G5;
1421 bnx2_write_phy(bp, bp->mii_up1, up1);
1422 ret = 1;
1423 }
1424
1425 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1426 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1427 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1428
1429 return ret;
1430 }
1431
1432 static void
1433 bnx2_enable_forced_2g5(struct bnx2 *bp)
1434 {
1435 u32 uninitialized_var(bmcr);
1436 int err;
1437
1438 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1439 return;
1440
1441 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1442 u32 val;
1443
1444 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1445 MII_BNX2_BLK_ADDR_SERDES_DIG);
1446 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1447 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1448 val |= MII_BNX2_SD_MISC1_FORCE |
1449 MII_BNX2_SD_MISC1_FORCE_2_5G;
1450 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1451 }
1452
1453 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1454 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1455 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1456
1457 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1458 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1459 if (!err)
1460 bmcr |= BCM5708S_BMCR_FORCE_2500;
1461 } else {
1462 return;
1463 }
1464
1465 if (err)
1466 return;
1467
1468 if (bp->autoneg & AUTONEG_SPEED) {
1469 bmcr &= ~BMCR_ANENABLE;
1470 if (bp->req_duplex == DUPLEX_FULL)
1471 bmcr |= BMCR_FULLDPLX;
1472 }
1473 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1474 }
1475
1476 static void
1477 bnx2_disable_forced_2g5(struct bnx2 *bp)
1478 {
1479 u32 uninitialized_var(bmcr);
1480 int err;
1481
1482 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1483 return;
1484
1485 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1486 u32 val;
1487
1488 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1489 MII_BNX2_BLK_ADDR_SERDES_DIG);
1490 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1491 val &= ~MII_BNX2_SD_MISC1_FORCE;
1492 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1493 }
1494
1495 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1496 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1497 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1498
1499 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1500 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1501 if (!err)
1502 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1503 } else {
1504 return;
1505 }
1506
1507 if (err)
1508 return;
1509
1510 if (bp->autoneg & AUTONEG_SPEED)
1511 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1512 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1513 }
1514
1515 static void
1516 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1517 {
1518 u32 val;
1519
1520 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1521 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1522 if (start)
1523 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1524 else
1525 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1526 }
1527
1528 static int
1529 bnx2_set_link(struct bnx2 *bp)
1530 {
1531 u32 bmsr;
1532 u8 link_up;
1533
1534 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1535 bp->link_up = 1;
1536 return 0;
1537 }
1538
1539 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1540 return 0;
1541
1542 link_up = bp->link_up;
1543
1544 bnx2_enable_bmsr1(bp);
1545 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1546 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1547 bnx2_disable_bmsr1(bp);
1548
1549 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1550 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1551 u32 val, an_dbg;
1552
1553 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1554 bnx2_5706s_force_link_dn(bp, 0);
1555 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1556 }
1557 val = REG_RD(bp, BNX2_EMAC_STATUS);
1558
1559 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1560 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1561 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1562
1563 if ((val & BNX2_EMAC_STATUS_LINK) &&
1564 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1565 bmsr |= BMSR_LSTATUS;
1566 else
1567 bmsr &= ~BMSR_LSTATUS;
1568 }
1569
1570 if (bmsr & BMSR_LSTATUS) {
1571 bp->link_up = 1;
1572
1573 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1574 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1575 bnx2_5706s_linkup(bp);
1576 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1577 bnx2_5708s_linkup(bp);
1578 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1579 bnx2_5709s_linkup(bp);
1580 }
1581 else {
1582 bnx2_copper_linkup(bp);
1583 }
1584 bnx2_resolve_flow_ctrl(bp);
1585 }
1586 else {
1587 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1588 (bp->autoneg & AUTONEG_SPEED))
1589 bnx2_disable_forced_2g5(bp);
1590
1591 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1592 u32 bmcr;
1593
1594 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1595 bmcr |= BMCR_ANENABLE;
1596 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1597
1598 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1599 }
1600 bp->link_up = 0;
1601 }
1602
1603 if (bp->link_up != link_up) {
1604 bnx2_report_link(bp);
1605 }
1606
1607 bnx2_set_mac_link(bp);
1608
1609 return 0;
1610 }
1611
1612 static int
1613 bnx2_reset_phy(struct bnx2 *bp)
1614 {
1615 int i;
1616 u32 reg;
1617
1618 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1619
1620 #define PHY_RESET_MAX_WAIT 100
1621 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1622 udelay(10);
1623
1624 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1625 if (!(reg & BMCR_RESET)) {
1626 udelay(20);
1627 break;
1628 }
1629 }
1630 if (i == PHY_RESET_MAX_WAIT) {
1631 return -EBUSY;
1632 }
1633 return 0;
1634 }
1635
1636 static u32
1637 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1638 {
1639 u32 adv = 0;
1640
1641 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1642 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1643
1644 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1645 adv = ADVERTISE_1000XPAUSE;
1646 }
1647 else {
1648 adv = ADVERTISE_PAUSE_CAP;
1649 }
1650 }
1651 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1652 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1653 adv = ADVERTISE_1000XPSE_ASYM;
1654 }
1655 else {
1656 adv = ADVERTISE_PAUSE_ASYM;
1657 }
1658 }
1659 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1660 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1661 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1662 }
1663 else {
1664 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1665 }
1666 }
1667 return adv;
1668 }
1669
1670 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1671
1672 static int
1673 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1674 __releases(&bp->phy_lock)
1675 __acquires(&bp->phy_lock)
1676 {
1677 u32 speed_arg = 0, pause_adv;
1678
1679 pause_adv = bnx2_phy_get_pause_adv(bp);
1680
1681 if (bp->autoneg & AUTONEG_SPEED) {
1682 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1683 if (bp->advertising & ADVERTISED_10baseT_Half)
1684 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1685 if (bp->advertising & ADVERTISED_10baseT_Full)
1686 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1687 if (bp->advertising & ADVERTISED_100baseT_Half)
1688 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1689 if (bp->advertising & ADVERTISED_100baseT_Full)
1690 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1691 if (bp->advertising & ADVERTISED_1000baseT_Full)
1692 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1693 if (bp->advertising & ADVERTISED_2500baseX_Full)
1694 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1695 } else {
1696 if (bp->req_line_speed == SPEED_2500)
1697 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1698 else if (bp->req_line_speed == SPEED_1000)
1699 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1700 else if (bp->req_line_speed == SPEED_100) {
1701 if (bp->req_duplex == DUPLEX_FULL)
1702 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1703 else
1704 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1705 } else if (bp->req_line_speed == SPEED_10) {
1706 if (bp->req_duplex == DUPLEX_FULL)
1707 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1708 else
1709 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1710 }
1711 }
1712
1713 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1714 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1715 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1716 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1717
1718 if (port == PORT_TP)
1719 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1720 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1721
1722 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1723
1724 spin_unlock_bh(&bp->phy_lock);
1725 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1726 spin_lock_bh(&bp->phy_lock);
1727
1728 return 0;
1729 }
1730
1731 static int
1732 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1733 __releases(&bp->phy_lock)
1734 __acquires(&bp->phy_lock)
1735 {
1736 u32 adv, bmcr;
1737 u32 new_adv = 0;
1738
1739 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1740 return bnx2_setup_remote_phy(bp, port);
1741
1742 if (!(bp->autoneg & AUTONEG_SPEED)) {
1743 u32 new_bmcr;
1744 int force_link_down = 0;
1745
1746 if (bp->req_line_speed == SPEED_2500) {
1747 if (!bnx2_test_and_enable_2g5(bp))
1748 force_link_down = 1;
1749 } else if (bp->req_line_speed == SPEED_1000) {
1750 if (bnx2_test_and_disable_2g5(bp))
1751 force_link_down = 1;
1752 }
1753 bnx2_read_phy(bp, bp->mii_adv, &adv);
1754 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1755
1756 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1757 new_bmcr = bmcr & ~BMCR_ANENABLE;
1758 new_bmcr |= BMCR_SPEED1000;
1759
1760 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1761 if (bp->req_line_speed == SPEED_2500)
1762 bnx2_enable_forced_2g5(bp);
1763 else if (bp->req_line_speed == SPEED_1000) {
1764 bnx2_disable_forced_2g5(bp);
1765 new_bmcr &= ~0x2000;
1766 }
1767
1768 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1769 if (bp->req_line_speed == SPEED_2500)
1770 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1771 else
1772 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1773 }
1774
1775 if (bp->req_duplex == DUPLEX_FULL) {
1776 adv |= ADVERTISE_1000XFULL;
1777 new_bmcr |= BMCR_FULLDPLX;
1778 }
1779 else {
1780 adv |= ADVERTISE_1000XHALF;
1781 new_bmcr &= ~BMCR_FULLDPLX;
1782 }
1783 if ((new_bmcr != bmcr) || (force_link_down)) {
1784 /* Force a link down visible on the other side */
1785 if (bp->link_up) {
1786 bnx2_write_phy(bp, bp->mii_adv, adv &
1787 ~(ADVERTISE_1000XFULL |
1788 ADVERTISE_1000XHALF));
1789 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1790 BMCR_ANRESTART | BMCR_ANENABLE);
1791
1792 bp->link_up = 0;
1793 netif_carrier_off(bp->dev);
1794 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1795 bnx2_report_link(bp);
1796 }
1797 bnx2_write_phy(bp, bp->mii_adv, adv);
1798 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1799 } else {
1800 bnx2_resolve_flow_ctrl(bp);
1801 bnx2_set_mac_link(bp);
1802 }
1803 return 0;
1804 }
1805
1806 bnx2_test_and_enable_2g5(bp);
1807
1808 if (bp->advertising & ADVERTISED_1000baseT_Full)
1809 new_adv |= ADVERTISE_1000XFULL;
1810
1811 new_adv |= bnx2_phy_get_pause_adv(bp);
1812
1813 bnx2_read_phy(bp, bp->mii_adv, &adv);
1814 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1815
1816 bp->serdes_an_pending = 0;
1817 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1818 /* Force a link down visible on the other side */
1819 if (bp->link_up) {
1820 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1821 spin_unlock_bh(&bp->phy_lock);
1822 msleep(20);
1823 spin_lock_bh(&bp->phy_lock);
1824 }
1825
1826 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1827 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1828 BMCR_ANENABLE);
1829 /* Speed up link-up time when the link partner
1830 * does not autonegotiate which is very common
1831 * in blade servers. Some blade servers use
1832 * IPMI for kerboard input and it's important
1833 * to minimize link disruptions. Autoneg. involves
1834 * exchanging base pages plus 3 next pages and
1835 * normally completes in about 120 msec.
1836 */
1837 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1838 bp->serdes_an_pending = 1;
1839 mod_timer(&bp->timer, jiffies + bp->current_interval);
1840 } else {
1841 bnx2_resolve_flow_ctrl(bp);
1842 bnx2_set_mac_link(bp);
1843 }
1844
1845 return 0;
1846 }
1847
1848 #define ETHTOOL_ALL_FIBRE_SPEED \
1849 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1850 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1851 (ADVERTISED_1000baseT_Full)
1852
1853 #define ETHTOOL_ALL_COPPER_SPEED \
1854 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1855 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1856 ADVERTISED_1000baseT_Full)
1857
1858 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1859 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1860
1861 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1862
1863 static void
1864 bnx2_set_default_remote_link(struct bnx2 *bp)
1865 {
1866 u32 link;
1867
1868 if (bp->phy_port == PORT_TP)
1869 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1870 else
1871 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1872
1873 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1874 bp->req_line_speed = 0;
1875 bp->autoneg |= AUTONEG_SPEED;
1876 bp->advertising = ADVERTISED_Autoneg;
1877 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1878 bp->advertising |= ADVERTISED_10baseT_Half;
1879 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1880 bp->advertising |= ADVERTISED_10baseT_Full;
1881 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1882 bp->advertising |= ADVERTISED_100baseT_Half;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1884 bp->advertising |= ADVERTISED_100baseT_Full;
1885 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1886 bp->advertising |= ADVERTISED_1000baseT_Full;
1887 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1888 bp->advertising |= ADVERTISED_2500baseX_Full;
1889 } else {
1890 bp->autoneg = 0;
1891 bp->advertising = 0;
1892 bp->req_duplex = DUPLEX_FULL;
1893 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1894 bp->req_line_speed = SPEED_10;
1895 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1896 bp->req_duplex = DUPLEX_HALF;
1897 }
1898 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1899 bp->req_line_speed = SPEED_100;
1900 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1901 bp->req_duplex = DUPLEX_HALF;
1902 }
1903 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1904 bp->req_line_speed = SPEED_1000;
1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1906 bp->req_line_speed = SPEED_2500;
1907 }
1908 }
1909
1910 static void
1911 bnx2_set_default_link(struct bnx2 *bp)
1912 {
1913 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1914 bnx2_set_default_remote_link(bp);
1915 return;
1916 }
1917
1918 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1919 bp->req_line_speed = 0;
1920 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1921 u32 reg;
1922
1923 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1924
1925 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1926 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1927 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1928 bp->autoneg = 0;
1929 bp->req_line_speed = bp->line_speed = SPEED_1000;
1930 bp->req_duplex = DUPLEX_FULL;
1931 }
1932 } else
1933 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1934 }
1935
1936 static void
1937 bnx2_send_heart_beat(struct bnx2 *bp)
1938 {
1939 u32 msg;
1940 u32 addr;
1941
1942 spin_lock(&bp->indirect_lock);
1943 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1944 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1945 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1946 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1947 spin_unlock(&bp->indirect_lock);
1948 }
1949
1950 static void
1951 bnx2_remote_phy_event(struct bnx2 *bp)
1952 {
1953 u32 msg;
1954 u8 link_up = bp->link_up;
1955 u8 old_port;
1956
1957 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1958
1959 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1960 bnx2_send_heart_beat(bp);
1961
1962 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1963
1964 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1965 bp->link_up = 0;
1966 else {
1967 u32 speed;
1968
1969 bp->link_up = 1;
1970 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1971 bp->duplex = DUPLEX_FULL;
1972 switch (speed) {
1973 case BNX2_LINK_STATUS_10HALF:
1974 bp->duplex = DUPLEX_HALF;
1975 case BNX2_LINK_STATUS_10FULL:
1976 bp->line_speed = SPEED_10;
1977 break;
1978 case BNX2_LINK_STATUS_100HALF:
1979 bp->duplex = DUPLEX_HALF;
1980 case BNX2_LINK_STATUS_100BASE_T4:
1981 case BNX2_LINK_STATUS_100FULL:
1982 bp->line_speed = SPEED_100;
1983 break;
1984 case BNX2_LINK_STATUS_1000HALF:
1985 bp->duplex = DUPLEX_HALF;
1986 case BNX2_LINK_STATUS_1000FULL:
1987 bp->line_speed = SPEED_1000;
1988 break;
1989 case BNX2_LINK_STATUS_2500HALF:
1990 bp->duplex = DUPLEX_HALF;
1991 case BNX2_LINK_STATUS_2500FULL:
1992 bp->line_speed = SPEED_2500;
1993 break;
1994 default:
1995 bp->line_speed = 0;
1996 break;
1997 }
1998
1999 bp->flow_ctrl = 0;
2000 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2001 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2002 if (bp->duplex == DUPLEX_FULL)
2003 bp->flow_ctrl = bp->req_flow_ctrl;
2004 } else {
2005 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2006 bp->flow_ctrl |= FLOW_CTRL_TX;
2007 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2008 bp->flow_ctrl |= FLOW_CTRL_RX;
2009 }
2010
2011 old_port = bp->phy_port;
2012 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2013 bp->phy_port = PORT_FIBRE;
2014 else
2015 bp->phy_port = PORT_TP;
2016
2017 if (old_port != bp->phy_port)
2018 bnx2_set_default_link(bp);
2019
2020 }
2021 if (bp->link_up != link_up)
2022 bnx2_report_link(bp);
2023
2024 bnx2_set_mac_link(bp);
2025 }
2026
2027 static int
2028 bnx2_set_remote_link(struct bnx2 *bp)
2029 {
2030 u32 evt_code;
2031
2032 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2033 switch (evt_code) {
2034 case BNX2_FW_EVT_CODE_LINK_EVENT:
2035 bnx2_remote_phy_event(bp);
2036 break;
2037 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2038 default:
2039 bnx2_send_heart_beat(bp);
2040 break;
2041 }
2042 return 0;
2043 }
2044
2045 static int
2046 bnx2_setup_copper_phy(struct bnx2 *bp)
2047 __releases(&bp->phy_lock)
2048 __acquires(&bp->phy_lock)
2049 {
2050 u32 bmcr;
2051 u32 new_bmcr;
2052
2053 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2054
2055 if (bp->autoneg & AUTONEG_SPEED) {
2056 u32 adv_reg, adv1000_reg;
2057 u32 new_adv = 0;
2058 u32 new_adv1000 = 0;
2059
2060 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2061 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2062 ADVERTISE_PAUSE_ASYM);
2063
2064 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2065 adv1000_reg &= PHY_ALL_1000_SPEED;
2066
2067 new_adv = ethtool_adv_to_mii_adv_t(bp->advertising);
2068 new_adv |= ADVERTISE_CSMA;
2069 new_adv |= bnx2_phy_get_pause_adv(bp);
2070
2071 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
2072
2073 if ((adv1000_reg != new_adv1000) ||
2074 (adv_reg != new_adv) ||
2075 ((bmcr & BMCR_ANENABLE) == 0)) {
2076
2077 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2078 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
2079 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2080 BMCR_ANENABLE);
2081 }
2082 else if (bp->link_up) {
2083 /* Flow ctrl may have changed from auto to forced */
2084 /* or vice-versa. */
2085
2086 bnx2_resolve_flow_ctrl(bp);
2087 bnx2_set_mac_link(bp);
2088 }
2089 return 0;
2090 }
2091
2092 new_bmcr = 0;
2093 if (bp->req_line_speed == SPEED_100) {
2094 new_bmcr |= BMCR_SPEED100;
2095 }
2096 if (bp->req_duplex == DUPLEX_FULL) {
2097 new_bmcr |= BMCR_FULLDPLX;
2098 }
2099 if (new_bmcr != bmcr) {
2100 u32 bmsr;
2101
2102 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2103 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2104
2105 if (bmsr & BMSR_LSTATUS) {
2106 /* Force link down */
2107 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2108 spin_unlock_bh(&bp->phy_lock);
2109 msleep(50);
2110 spin_lock_bh(&bp->phy_lock);
2111
2112 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2113 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2114 }
2115
2116 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2117
2118 /* Normally, the new speed is setup after the link has
2119 * gone down and up again. In some cases, link will not go
2120 * down so we need to set up the new speed here.
2121 */
2122 if (bmsr & BMSR_LSTATUS) {
2123 bp->line_speed = bp->req_line_speed;
2124 bp->duplex = bp->req_duplex;
2125 bnx2_resolve_flow_ctrl(bp);
2126 bnx2_set_mac_link(bp);
2127 }
2128 } else {
2129 bnx2_resolve_flow_ctrl(bp);
2130 bnx2_set_mac_link(bp);
2131 }
2132 return 0;
2133 }
2134
2135 static int
2136 bnx2_setup_phy(struct bnx2 *bp, u8 port)
2137 __releases(&bp->phy_lock)
2138 __acquires(&bp->phy_lock)
2139 {
2140 if (bp->loopback == MAC_LOOPBACK)
2141 return 0;
2142
2143 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2144 return bnx2_setup_serdes_phy(bp, port);
2145 }
2146 else {
2147 return bnx2_setup_copper_phy(bp);
2148 }
2149 }
2150
2151 static int
2152 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2153 {
2154 u32 val;
2155
2156 bp->mii_bmcr = MII_BMCR + 0x10;
2157 bp->mii_bmsr = MII_BMSR + 0x10;
2158 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2159 bp->mii_adv = MII_ADVERTISE + 0x10;
2160 bp->mii_lpa = MII_LPA + 0x10;
2161 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2162
2163 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2164 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2165
2166 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2167 if (reset_phy)
2168 bnx2_reset_phy(bp);
2169
2170 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2171
2172 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2173 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2174 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2175 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2176
2177 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2178 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2179 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2180 val |= BCM5708S_UP1_2G5;
2181 else
2182 val &= ~BCM5708S_UP1_2G5;
2183 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2184
2185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2186 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2187 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2188 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2191
2192 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2193 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2194 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2195
2196 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2197
2198 return 0;
2199 }
2200
2201 static int
2202 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2203 {
2204 u32 val;
2205
2206 if (reset_phy)
2207 bnx2_reset_phy(bp);
2208
2209 bp->mii_up1 = BCM5708S_UP1;
2210
2211 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2212 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2213 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2214
2215 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2216 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2217 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2218
2219 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2220 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2221 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2222
2223 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2224 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2225 val |= BCM5708S_UP1_2G5;
2226 bnx2_write_phy(bp, BCM5708S_UP1, val);
2227 }
2228
2229 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2230 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2231 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2232 /* increase tx signal amplitude */
2233 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2234 BCM5708S_BLK_ADDR_TX_MISC);
2235 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2236 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2237 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2238 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2239 }
2240
2241 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2242 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2243
2244 if (val) {
2245 u32 is_backplane;
2246
2247 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2248 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2250 BCM5708S_BLK_ADDR_TX_MISC);
2251 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2252 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2253 BCM5708S_BLK_ADDR_DIG);
2254 }
2255 }
2256 return 0;
2257 }
2258
2259 static int
2260 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2261 {
2262 if (reset_phy)
2263 bnx2_reset_phy(bp);
2264
2265 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2266
2267 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2268 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2269
2270 if (bp->dev->mtu > 1500) {
2271 u32 val;
2272
2273 /* Set extended packet length bit */
2274 bnx2_write_phy(bp, 0x18, 0x7);
2275 bnx2_read_phy(bp, 0x18, &val);
2276 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2277
2278 bnx2_write_phy(bp, 0x1c, 0x6c00);
2279 bnx2_read_phy(bp, 0x1c, &val);
2280 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2281 }
2282 else {
2283 u32 val;
2284
2285 bnx2_write_phy(bp, 0x18, 0x7);
2286 bnx2_read_phy(bp, 0x18, &val);
2287 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2288
2289 bnx2_write_phy(bp, 0x1c, 0x6c00);
2290 bnx2_read_phy(bp, 0x1c, &val);
2291 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2292 }
2293
2294 return 0;
2295 }
2296
2297 static int
2298 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2299 {
2300 u32 val;
2301
2302 if (reset_phy)
2303 bnx2_reset_phy(bp);
2304
2305 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2306 bnx2_write_phy(bp, 0x18, 0x0c00);
2307 bnx2_write_phy(bp, 0x17, 0x000a);
2308 bnx2_write_phy(bp, 0x15, 0x310b);
2309 bnx2_write_phy(bp, 0x17, 0x201f);
2310 bnx2_write_phy(bp, 0x15, 0x9506);
2311 bnx2_write_phy(bp, 0x17, 0x401f);
2312 bnx2_write_phy(bp, 0x15, 0x14e2);
2313 bnx2_write_phy(bp, 0x18, 0x0400);
2314 }
2315
2316 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2317 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2318 MII_BNX2_DSP_EXPAND_REG | 0x8);
2319 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2320 val &= ~(1 << 8);
2321 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2322 }
2323
2324 if (bp->dev->mtu > 1500) {
2325 /* Set extended packet length bit */
2326 bnx2_write_phy(bp, 0x18, 0x7);
2327 bnx2_read_phy(bp, 0x18, &val);
2328 bnx2_write_phy(bp, 0x18, val | 0x4000);
2329
2330 bnx2_read_phy(bp, 0x10, &val);
2331 bnx2_write_phy(bp, 0x10, val | 0x1);
2332 }
2333 else {
2334 bnx2_write_phy(bp, 0x18, 0x7);
2335 bnx2_read_phy(bp, 0x18, &val);
2336 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2337
2338 bnx2_read_phy(bp, 0x10, &val);
2339 bnx2_write_phy(bp, 0x10, val & ~0x1);
2340 }
2341
2342 /* ethernet@wirespeed */
2343 bnx2_write_phy(bp, 0x18, 0x7007);
2344 bnx2_read_phy(bp, 0x18, &val);
2345 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2346 return 0;
2347 }
2348
2349
2350 static int
2351 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2352 __releases(&bp->phy_lock)
2353 __acquires(&bp->phy_lock)
2354 {
2355 u32 val;
2356 int rc = 0;
2357
2358 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2359 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2360
2361 bp->mii_bmcr = MII_BMCR;
2362 bp->mii_bmsr = MII_BMSR;
2363 bp->mii_bmsr1 = MII_BMSR;
2364 bp->mii_adv = MII_ADVERTISE;
2365 bp->mii_lpa = MII_LPA;
2366
2367 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2368
2369 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2370 goto setup_phy;
2371
2372 bnx2_read_phy(bp, MII_PHYSID1, &val);
2373 bp->phy_id = val << 16;
2374 bnx2_read_phy(bp, MII_PHYSID2, &val);
2375 bp->phy_id |= val & 0xffff;
2376
2377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2378 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2379 rc = bnx2_init_5706s_phy(bp, reset_phy);
2380 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2381 rc = bnx2_init_5708s_phy(bp, reset_phy);
2382 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2383 rc = bnx2_init_5709s_phy(bp, reset_phy);
2384 }
2385 else {
2386 rc = bnx2_init_copper_phy(bp, reset_phy);
2387 }
2388
2389 setup_phy:
2390 if (!rc)
2391 rc = bnx2_setup_phy(bp, bp->phy_port);
2392
2393 return rc;
2394 }
2395
2396 static int
2397 bnx2_set_mac_loopback(struct bnx2 *bp)
2398 {
2399 u32 mac_mode;
2400
2401 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2402 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2403 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2404 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2405 bp->link_up = 1;
2406 return 0;
2407 }
2408
2409 static int bnx2_test_link(struct bnx2 *);
2410
2411 static int
2412 bnx2_set_phy_loopback(struct bnx2 *bp)
2413 {
2414 u32 mac_mode;
2415 int rc, i;
2416
2417 spin_lock_bh(&bp->phy_lock);
2418 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2419 BMCR_SPEED1000);
2420 spin_unlock_bh(&bp->phy_lock);
2421 if (rc)
2422 return rc;
2423
2424 for (i = 0; i < 10; i++) {
2425 if (bnx2_test_link(bp) == 0)
2426 break;
2427 msleep(100);
2428 }
2429
2430 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2431 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2432 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2433 BNX2_EMAC_MODE_25G_MODE);
2434
2435 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2436 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2437 bp->link_up = 1;
2438 return 0;
2439 }
2440
2441 static void
2442 bnx2_dump_mcp_state(struct bnx2 *bp)
2443 {
2444 struct net_device *dev = bp->dev;
2445 u32 mcp_p0, mcp_p1;
2446
2447 netdev_err(dev, "<--- start MCP states dump --->\n");
2448 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
2449 mcp_p0 = BNX2_MCP_STATE_P0;
2450 mcp_p1 = BNX2_MCP_STATE_P1;
2451 } else {
2452 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2453 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2454 }
2455 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2456 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2457 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2458 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2459 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2460 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2461 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2462 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2463 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2464 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2465 netdev_err(dev, "DEBUG: shmem states:\n");
2466 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2467 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2468 bnx2_shmem_rd(bp, BNX2_FW_MB),
2469 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2470 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2471 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2472 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2473 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2474 pr_cont(" condition[%08x]\n",
2475 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
2476 DP_SHMEM_LINE(bp, 0x3cc);
2477 DP_SHMEM_LINE(bp, 0x3dc);
2478 DP_SHMEM_LINE(bp, 0x3ec);
2479 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2480 netdev_err(dev, "<--- end MCP states dump --->\n");
2481 }
2482
2483 static int
2484 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2485 {
2486 int i;
2487 u32 val;
2488
2489 bp->fw_wr_seq++;
2490 msg_data |= bp->fw_wr_seq;
2491
2492 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2493
2494 if (!ack)
2495 return 0;
2496
2497 /* wait for an acknowledgement. */
2498 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2499 msleep(10);
2500
2501 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2502
2503 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2504 break;
2505 }
2506 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2507 return 0;
2508
2509 /* If we timed out, inform the firmware that this is the case. */
2510 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2511 msg_data &= ~BNX2_DRV_MSG_CODE;
2512 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2513
2514 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2515 if (!silent) {
2516 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2517 bnx2_dump_mcp_state(bp);
2518 }
2519
2520 return -EBUSY;
2521 }
2522
2523 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2524 return -EIO;
2525
2526 return 0;
2527 }
2528
2529 static int
2530 bnx2_init_5709_context(struct bnx2 *bp)
2531 {
2532 int i, ret = 0;
2533 u32 val;
2534
2535 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2536 val |= (BCM_PAGE_BITS - 8) << 16;
2537 REG_WR(bp, BNX2_CTX_COMMAND, val);
2538 for (i = 0; i < 10; i++) {
2539 val = REG_RD(bp, BNX2_CTX_COMMAND);
2540 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2541 break;
2542 udelay(2);
2543 }
2544 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2545 return -EBUSY;
2546
2547 for (i = 0; i < bp->ctx_pages; i++) {
2548 int j;
2549
2550 if (bp->ctx_blk[i])
2551 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2552 else
2553 return -ENOMEM;
2554
2555 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2556 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2557 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2558 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2559 (u64) bp->ctx_blk_mapping[i] >> 32);
2560 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2561 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2562 for (j = 0; j < 10; j++) {
2563
2564 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2565 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2566 break;
2567 udelay(5);
2568 }
2569 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2570 ret = -EBUSY;
2571 break;
2572 }
2573 }
2574 return ret;
2575 }
2576
2577 static void
2578 bnx2_init_context(struct bnx2 *bp)
2579 {
2580 u32 vcid;
2581
2582 vcid = 96;
2583 while (vcid) {
2584 u32 vcid_addr, pcid_addr, offset;
2585 int i;
2586
2587 vcid--;
2588
2589 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2590 u32 new_vcid;
2591
2592 vcid_addr = GET_PCID_ADDR(vcid);
2593 if (vcid & 0x8) {
2594 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2595 }
2596 else {
2597 new_vcid = vcid;
2598 }
2599 pcid_addr = GET_PCID_ADDR(new_vcid);
2600 }
2601 else {
2602 vcid_addr = GET_CID_ADDR(vcid);
2603 pcid_addr = vcid_addr;
2604 }
2605
2606 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2607 vcid_addr += (i << PHY_CTX_SHIFT);
2608 pcid_addr += (i << PHY_CTX_SHIFT);
2609
2610 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2611 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2612
2613 /* Zero out the context. */
2614 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2615 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2616 }
2617 }
2618 }
2619
2620 static int
2621 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2622 {
2623 u16 *good_mbuf;
2624 u32 good_mbuf_cnt;
2625 u32 val;
2626
2627 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2628 if (good_mbuf == NULL) {
2629 pr_err("Failed to allocate memory in %s\n", __func__);
2630 return -ENOMEM;
2631 }
2632
2633 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2634 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2635
2636 good_mbuf_cnt = 0;
2637
2638 /* Allocate a bunch of mbufs and save the good ones in an array. */
2639 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2640 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2641 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2642 BNX2_RBUF_COMMAND_ALLOC_REQ);
2643
2644 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2645
2646 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2647
2648 /* The addresses with Bit 9 set are bad memory blocks. */
2649 if (!(val & (1 << 9))) {
2650 good_mbuf[good_mbuf_cnt] = (u16) val;
2651 good_mbuf_cnt++;
2652 }
2653
2654 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2655 }
2656
2657 /* Free the good ones back to the mbuf pool thus discarding
2658 * all the bad ones. */
2659 while (good_mbuf_cnt) {
2660 good_mbuf_cnt--;
2661
2662 val = good_mbuf[good_mbuf_cnt];
2663 val = (val << 9) | val | 1;
2664
2665 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2666 }
2667 kfree(good_mbuf);
2668 return 0;
2669 }
2670
2671 static void
2672 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2673 {
2674 u32 val;
2675
2676 val = (mac_addr[0] << 8) | mac_addr[1];
2677
2678 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2679
2680 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2681 (mac_addr[4] << 8) | mac_addr[5];
2682
2683 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2684 }
2685
2686 static inline int
2687 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
2688 {
2689 dma_addr_t mapping;
2690 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2691 struct rx_bd *rxbd =
2692 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2693 struct page *page = alloc_page(gfp);
2694
2695 if (!page)
2696 return -ENOMEM;
2697 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
2698 PCI_DMA_FROMDEVICE);
2699 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
2700 __free_page(page);
2701 return -EIO;
2702 }
2703
2704 rx_pg->page = page;
2705 dma_unmap_addr_set(rx_pg, mapping, mapping);
2706 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2707 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2708 return 0;
2709 }
2710
2711 static void
2712 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2713 {
2714 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2715 struct page *page = rx_pg->page;
2716
2717 if (!page)
2718 return;
2719
2720 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2721 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2722
2723 __free_page(page);
2724 rx_pg->page = NULL;
2725 }
2726
2727 static inline int
2728 bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
2729 {
2730 u8 *data;
2731 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2732 dma_addr_t mapping;
2733 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2734
2735 data = kmalloc(bp->rx_buf_size, gfp);
2736 if (!data)
2737 return -ENOMEM;
2738
2739 mapping = dma_map_single(&bp->pdev->dev,
2740 get_l2_fhdr(data),
2741 bp->rx_buf_use_size,
2742 PCI_DMA_FROMDEVICE);
2743 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
2744 kfree(data);
2745 return -EIO;
2746 }
2747
2748 rx_buf->data = data;
2749 dma_unmap_addr_set(rx_buf, mapping, mapping);
2750
2751 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2752 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2753
2754 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2755
2756 return 0;
2757 }
2758
2759 static int
2760 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2761 {
2762 struct status_block *sblk = bnapi->status_blk.msi;
2763 u32 new_link_state, old_link_state;
2764 int is_set = 1;
2765
2766 new_link_state = sblk->status_attn_bits & event;
2767 old_link_state = sblk->status_attn_bits_ack & event;
2768 if (new_link_state != old_link_state) {
2769 if (new_link_state)
2770 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2771 else
2772 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2773 } else
2774 is_set = 0;
2775
2776 return is_set;
2777 }
2778
2779 static void
2780 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2781 {
2782 spin_lock(&bp->phy_lock);
2783
2784 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2785 bnx2_set_link(bp);
2786 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2787 bnx2_set_remote_link(bp);
2788
2789 spin_unlock(&bp->phy_lock);
2790
2791 }
2792
2793 static inline u16
2794 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2795 {
2796 u16 cons;
2797
2798 /* Tell compiler that status block fields can change. */
2799 barrier();
2800 cons = *bnapi->hw_tx_cons_ptr;
2801 barrier();
2802 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2803 cons++;
2804 return cons;
2805 }
2806
2807 static int
2808 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2809 {
2810 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2811 u16 hw_cons, sw_cons, sw_ring_cons;
2812 int tx_pkt = 0, index;
2813 unsigned int tx_bytes = 0;
2814 struct netdev_queue *txq;
2815
2816 index = (bnapi - bp->bnx2_napi);
2817 txq = netdev_get_tx_queue(bp->dev, index);
2818
2819 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2820 sw_cons = txr->tx_cons;
2821
2822 while (sw_cons != hw_cons) {
2823 struct sw_tx_bd *tx_buf;
2824 struct sk_buff *skb;
2825 int i, last;
2826
2827 sw_ring_cons = TX_RING_IDX(sw_cons);
2828
2829 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2830 skb = tx_buf->skb;
2831
2832 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2833 prefetch(&skb->end);
2834
2835 /* partial BD completions possible with TSO packets */
2836 if (tx_buf->is_gso) {
2837 u16 last_idx, last_ring_idx;
2838
2839 last_idx = sw_cons + tx_buf->nr_frags + 1;
2840 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2841 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2842 last_idx++;
2843 }
2844 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2845 break;
2846 }
2847 }
2848
2849 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
2850 skb_headlen(skb), PCI_DMA_TODEVICE);
2851
2852 tx_buf->skb = NULL;
2853 last = tx_buf->nr_frags;
2854
2855 for (i = 0; i < last; i++) {
2856 sw_cons = NEXT_TX_BD(sw_cons);
2857
2858 dma_unmap_page(&bp->pdev->dev,
2859 dma_unmap_addr(
2860 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2861 mapping),
2862 skb_frag_size(&skb_shinfo(skb)->frags[i]),
2863 PCI_DMA_TODEVICE);
2864 }
2865
2866 sw_cons = NEXT_TX_BD(sw_cons);
2867
2868 tx_bytes += skb->len;
2869 dev_kfree_skb(skb);
2870 tx_pkt++;
2871 if (tx_pkt == budget)
2872 break;
2873
2874 if (hw_cons == sw_cons)
2875 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2876 }
2877
2878 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
2879 txr->hw_tx_cons = hw_cons;
2880 txr->tx_cons = sw_cons;
2881
2882 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2883 * before checking for netif_tx_queue_stopped(). Without the
2884 * memory barrier, there is a small possibility that bnx2_start_xmit()
2885 * will miss it and cause the queue to be stopped forever.
2886 */
2887 smp_mb();
2888
2889 if (unlikely(netif_tx_queue_stopped(txq)) &&
2890 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2891 __netif_tx_lock(txq, smp_processor_id());
2892 if ((netif_tx_queue_stopped(txq)) &&
2893 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2894 netif_tx_wake_queue(txq);
2895 __netif_tx_unlock(txq);
2896 }
2897
2898 return tx_pkt;
2899 }
2900
2901 static void
2902 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2903 struct sk_buff *skb, int count)
2904 {
2905 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2906 struct rx_bd *cons_bd, *prod_bd;
2907 int i;
2908 u16 hw_prod, prod;
2909 u16 cons = rxr->rx_pg_cons;
2910
2911 cons_rx_pg = &rxr->rx_pg_ring[cons];
2912
2913 /* The caller was unable to allocate a new page to replace the
2914 * last one in the frags array, so we need to recycle that page
2915 * and then free the skb.
2916 */
2917 if (skb) {
2918 struct page *page;
2919 struct skb_shared_info *shinfo;
2920
2921 shinfo = skb_shinfo(skb);
2922 shinfo->nr_frags--;
2923 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2924 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
2925
2926 cons_rx_pg->page = page;
2927 dev_kfree_skb(skb);
2928 }
2929
2930 hw_prod = rxr->rx_pg_prod;
2931
2932 for (i = 0; i < count; i++) {
2933 prod = RX_PG_RING_IDX(hw_prod);
2934
2935 prod_rx_pg = &rxr->rx_pg_ring[prod];
2936 cons_rx_pg = &rxr->rx_pg_ring[cons];
2937 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2938 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2939
2940 if (prod != cons) {
2941 prod_rx_pg->page = cons_rx_pg->page;
2942 cons_rx_pg->page = NULL;
2943 dma_unmap_addr_set(prod_rx_pg, mapping,
2944 dma_unmap_addr(cons_rx_pg, mapping));
2945
2946 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2947 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2948
2949 }
2950 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2951 hw_prod = NEXT_RX_BD(hw_prod);
2952 }
2953 rxr->rx_pg_prod = hw_prod;
2954 rxr->rx_pg_cons = cons;
2955 }
2956
2957 static inline void
2958 bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2959 u8 *data, u16 cons, u16 prod)
2960 {
2961 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2962 struct rx_bd *cons_bd, *prod_bd;
2963
2964 cons_rx_buf = &rxr->rx_buf_ring[cons];
2965 prod_rx_buf = &rxr->rx_buf_ring[prod];
2966
2967 dma_sync_single_for_device(&bp->pdev->dev,
2968 dma_unmap_addr(cons_rx_buf, mapping),
2969 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2970
2971 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2972
2973 prod_rx_buf->data = data;
2974
2975 if (cons == prod)
2976 return;
2977
2978 dma_unmap_addr_set(prod_rx_buf, mapping,
2979 dma_unmap_addr(cons_rx_buf, mapping));
2980
2981 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2982 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2983 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2984 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2985 }
2986
2987 static struct sk_buff *
2988 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
2989 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2990 u32 ring_idx)
2991 {
2992 int err;
2993 u16 prod = ring_idx & 0xffff;
2994 struct sk_buff *skb;
2995
2996 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
2997 if (unlikely(err)) {
2998 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
2999 error:
3000 if (hdr_len) {
3001 unsigned int raw_len = len + 4;
3002 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3003
3004 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3005 }
3006 return NULL;
3007 }
3008
3009 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
3010 PCI_DMA_FROMDEVICE);
3011 skb = build_skb(data);
3012 if (!skb) {
3013 kfree(data);
3014 goto error;
3015 }
3016 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
3017 if (hdr_len == 0) {
3018 skb_put(skb, len);
3019 return skb;
3020 } else {
3021 unsigned int i, frag_len, frag_size, pages;
3022 struct sw_pg *rx_pg;
3023 u16 pg_cons = rxr->rx_pg_cons;
3024 u16 pg_prod = rxr->rx_pg_prod;
3025
3026 frag_size = len + 4 - hdr_len;
3027 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3028 skb_put(skb, hdr_len);
3029
3030 for (i = 0; i < pages; i++) {
3031 dma_addr_t mapping_old;
3032
3033 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3034 if (unlikely(frag_len <= 4)) {
3035 unsigned int tail = 4 - frag_len;
3036
3037 rxr->rx_pg_cons = pg_cons;
3038 rxr->rx_pg_prod = pg_prod;
3039 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
3040 pages - i);
3041 skb->len -= tail;
3042 if (i == 0) {
3043 skb->tail -= tail;
3044 } else {
3045 skb_frag_t *frag =
3046 &skb_shinfo(skb)->frags[i - 1];
3047 skb_frag_size_sub(frag, tail);
3048 skb->data_len -= tail;
3049 }
3050 return skb;
3051 }
3052 rx_pg = &rxr->rx_pg_ring[pg_cons];
3053
3054 /* Don't unmap yet. If we're unable to allocate a new
3055 * page, we need to recycle the page and the DMA addr.
3056 */
3057 mapping_old = dma_unmap_addr(rx_pg, mapping);
3058 if (i == pages - 1)
3059 frag_len -= 4;
3060
3061 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3062 rx_pg->page = NULL;
3063
3064 err = bnx2_alloc_rx_page(bp, rxr,
3065 RX_PG_RING_IDX(pg_prod),
3066 GFP_ATOMIC);
3067 if (unlikely(err)) {
3068 rxr->rx_pg_cons = pg_cons;
3069 rxr->rx_pg_prod = pg_prod;
3070 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3071 pages - i);
3072 return NULL;
3073 }
3074
3075 dma_unmap_page(&bp->pdev->dev, mapping_old,
3076 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3077
3078 frag_size -= frag_len;
3079 skb->data_len += frag_len;
3080 skb->truesize += PAGE_SIZE;
3081 skb->len += frag_len;
3082
3083 pg_prod = NEXT_RX_BD(pg_prod);
3084 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3085 }
3086 rxr->rx_pg_prod = pg_prod;
3087 rxr->rx_pg_cons = pg_cons;
3088 }
3089 return skb;
3090 }
3091
3092 static inline u16
3093 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
3094 {
3095 u16 cons;
3096
3097 /* Tell compiler that status block fields can change. */
3098 barrier();
3099 cons = *bnapi->hw_rx_cons_ptr;
3100 barrier();
3101 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3102 cons++;
3103 return cons;
3104 }
3105
3106 static int
3107 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3108 {
3109 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3110 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3111 struct l2_fhdr *rx_hdr;
3112 int rx_pkt = 0, pg_ring_used = 0;
3113
3114 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3115 sw_cons = rxr->rx_cons;
3116 sw_prod = rxr->rx_prod;
3117
3118 /* Memory barrier necessary as speculative reads of the rx
3119 * buffer can be ahead of the index in the status block
3120 */
3121 rmb();
3122 while (sw_cons != hw_cons) {
3123 unsigned int len, hdr_len;
3124 u32 status;
3125 struct sw_bd *rx_buf, *next_rx_buf;
3126 struct sk_buff *skb;
3127 dma_addr_t dma_addr;
3128 u8 *data;
3129
3130 sw_ring_cons = RX_RING_IDX(sw_cons);
3131 sw_ring_prod = RX_RING_IDX(sw_prod);
3132
3133 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3134 data = rx_buf->data;
3135 rx_buf->data = NULL;
3136
3137 rx_hdr = get_l2_fhdr(data);
3138 prefetch(rx_hdr);
3139
3140 dma_addr = dma_unmap_addr(rx_buf, mapping);
3141
3142 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
3143 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3144 PCI_DMA_FROMDEVICE);
3145
3146 next_rx_buf =
3147 &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3148 prefetch(get_l2_fhdr(next_rx_buf->data));
3149
3150 len = rx_hdr->l2_fhdr_pkt_len;
3151 status = rx_hdr->l2_fhdr_status;
3152
3153 hdr_len = 0;
3154 if (status & L2_FHDR_STATUS_SPLIT) {
3155 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3156 pg_ring_used = 1;
3157 } else if (len > bp->rx_jumbo_thresh) {
3158 hdr_len = bp->rx_jumbo_thresh;
3159 pg_ring_used = 1;
3160 }
3161
3162 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3163 L2_FHDR_ERRORS_PHY_DECODE |
3164 L2_FHDR_ERRORS_ALIGNMENT |
3165 L2_FHDR_ERRORS_TOO_SHORT |
3166 L2_FHDR_ERRORS_GIANT_FRAME))) {
3167
3168 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
3169 sw_ring_prod);
3170 if (pg_ring_used) {
3171 int pages;
3172
3173 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3174
3175 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3176 }
3177 goto next_rx;
3178 }
3179
3180 len -= 4;
3181
3182 if (len <= bp->rx_copy_thresh) {
3183 skb = netdev_alloc_skb(bp->dev, len + 6);
3184 if (skb == NULL) {
3185 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
3186 sw_ring_prod);
3187 goto next_rx;
3188 }
3189
3190 /* aligned copy */
3191 memcpy(skb->data,
3192 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3193 len + 6);
3194 skb_reserve(skb, 6);
3195 skb_put(skb, len);
3196
3197 bnx2_reuse_rx_data(bp, rxr, data,
3198 sw_ring_cons, sw_ring_prod);
3199
3200 } else {
3201 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3202 (sw_ring_cons << 16) | sw_ring_prod);
3203 if (!skb)
3204 goto next_rx;
3205 }
3206 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3207 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
3208 __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag);
3209
3210 skb->protocol = eth_type_trans(skb, bp->dev);
3211
3212 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
3213 (ntohs(skb->protocol) != 0x8100)) {
3214
3215 dev_kfree_skb(skb);
3216 goto next_rx;
3217
3218 }
3219
3220 skb_checksum_none_assert(skb);
3221 if ((bp->dev->features & NETIF_F_RXCSUM) &&
3222 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3223 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3224
3225 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3226 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3227 skb->ip_summed = CHECKSUM_UNNECESSARY;
3228 }
3229 if ((bp->dev->features & NETIF_F_RXHASH) &&
3230 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3231 L2_FHDR_STATUS_USE_RXHASH))
3232 skb->rxhash = rx_hdr->l2_fhdr_hash;
3233
3234 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3235 napi_gro_receive(&bnapi->napi, skb);
3236 rx_pkt++;
3237
3238 next_rx:
3239 sw_cons = NEXT_RX_BD(sw_cons);
3240 sw_prod = NEXT_RX_BD(sw_prod);
3241
3242 if ((rx_pkt == budget))
3243 break;
3244
3245 /* Refresh hw_cons to see if there is new work */
3246 if (sw_cons == hw_cons) {
3247 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3248 rmb();
3249 }
3250 }
3251 rxr->rx_cons = sw_cons;
3252 rxr->rx_prod = sw_prod;
3253
3254 if (pg_ring_used)
3255 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3256
3257 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3258
3259 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3260
3261 mmiowb();
3262
3263 return rx_pkt;
3264
3265 }
3266
3267 /* MSI ISR - The only difference between this and the INTx ISR
3268 * is that the MSI interrupt is always serviced.
3269 */
3270 static irqreturn_t
3271 bnx2_msi(int irq, void *dev_instance)
3272 {
3273 struct bnx2_napi *bnapi = dev_instance;
3274 struct bnx2 *bp = bnapi->bp;
3275
3276 prefetch(bnapi->status_blk.msi);
3277 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3278 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3279 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3280
3281 /* Return here if interrupt is disabled. */
3282 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3283 return IRQ_HANDLED;
3284
3285 napi_schedule(&bnapi->napi);
3286
3287 return IRQ_HANDLED;
3288 }
3289
3290 static irqreturn_t
3291 bnx2_msi_1shot(int irq, void *dev_instance)
3292 {
3293 struct bnx2_napi *bnapi = dev_instance;
3294 struct bnx2 *bp = bnapi->bp;
3295
3296 prefetch(bnapi->status_blk.msi);
3297
3298 /* Return here if interrupt is disabled. */
3299 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3300 return IRQ_HANDLED;
3301
3302 napi_schedule(&bnapi->napi);
3303
3304 return IRQ_HANDLED;
3305 }
3306
3307 static irqreturn_t
3308 bnx2_interrupt(int irq, void *dev_instance)
3309 {
3310 struct bnx2_napi *bnapi = dev_instance;
3311 struct bnx2 *bp = bnapi->bp;
3312 struct status_block *sblk = bnapi->status_blk.msi;
3313
3314 /* When using INTx, it is possible for the interrupt to arrive
3315 * at the CPU before the status block posted prior to the
3316 * interrupt. Reading a register will flush the status block.
3317 * When using MSI, the MSI message will always complete after
3318 * the status block write.
3319 */
3320 if ((sblk->status_idx == bnapi->last_status_idx) &&
3321 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3322 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3323 return IRQ_NONE;
3324
3325 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3326 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3327 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3328
3329 /* Read back to deassert IRQ immediately to avoid too many
3330 * spurious interrupts.
3331 */
3332 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3333
3334 /* Return here if interrupt is shared and is disabled. */
3335 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3336 return IRQ_HANDLED;
3337
3338 if (napi_schedule_prep(&bnapi->napi)) {
3339 bnapi->last_status_idx = sblk->status_idx;
3340 __napi_schedule(&bnapi->napi);
3341 }
3342
3343 return IRQ_HANDLED;
3344 }
3345
3346 static inline int
3347 bnx2_has_fast_work(struct bnx2_napi *bnapi)
3348 {
3349 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3350 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3351
3352 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3353 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3354 return 1;
3355 return 0;
3356 }
3357
3358 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3359 STATUS_ATTN_BITS_TIMER_ABORT)
3360
3361 static inline int
3362 bnx2_has_work(struct bnx2_napi *bnapi)
3363 {
3364 struct status_block *sblk = bnapi->status_blk.msi;
3365
3366 if (bnx2_has_fast_work(bnapi))
3367 return 1;
3368
3369 #ifdef BCM_CNIC
3370 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3371 return 1;
3372 #endif
3373
3374 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3375 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3376 return 1;
3377
3378 return 0;
3379 }
3380
3381 static void
3382 bnx2_chk_missed_msi(struct bnx2 *bp)
3383 {
3384 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3385 u32 msi_ctrl;
3386
3387 if (bnx2_has_work(bnapi)) {
3388 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3389 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3390 return;
3391
3392 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3393 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3394 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3395 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3396 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3397 }
3398 }
3399
3400 bp->idle_chk_status_idx = bnapi->last_status_idx;
3401 }
3402
3403 #ifdef BCM_CNIC
3404 static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3405 {
3406 struct cnic_ops *c_ops;
3407
3408 if (!bnapi->cnic_present)
3409 return;
3410
3411 rcu_read_lock();
3412 c_ops = rcu_dereference(bp->cnic_ops);
3413 if (c_ops)
3414 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3415 bnapi->status_blk.msi);
3416 rcu_read_unlock();
3417 }
3418 #endif
3419
3420 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3421 {
3422 struct status_block *sblk = bnapi->status_blk.msi;
3423 u32 status_attn_bits = sblk->status_attn_bits;
3424 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3425
3426 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3427 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3428
3429 bnx2_phy_int(bp, bnapi);
3430
3431 /* This is needed to take care of transient status
3432 * during link changes.
3433 */
3434 REG_WR(bp, BNX2_HC_COMMAND,
3435 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3436 REG_RD(bp, BNX2_HC_COMMAND);
3437 }
3438 }
3439
3440 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3441 int work_done, int budget)
3442 {
3443 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3444 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3445
3446 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
3447 bnx2_tx_int(bp, bnapi, 0);
3448
3449 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3450 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3451
3452 return work_done;
3453 }
3454
3455 static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3456 {
3457 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3458 struct bnx2 *bp = bnapi->bp;
3459 int work_done = 0;
3460 struct status_block_msix *sblk = bnapi->status_blk.msix;
3461
3462 while (1) {
3463 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3464 if (unlikely(work_done >= budget))
3465 break;
3466
3467 bnapi->last_status_idx = sblk->status_idx;
3468 /* status idx must be read before checking for more work. */
3469 rmb();
3470 if (likely(!bnx2_has_fast_work(bnapi))) {
3471
3472 napi_complete(napi);
3473 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3474 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3475 bnapi->last_status_idx);
3476 break;
3477 }
3478 }
3479 return work_done;
3480 }
3481
3482 static int bnx2_poll(struct napi_struct *napi, int budget)
3483 {
3484 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3485 struct bnx2 *bp = bnapi->bp;
3486 int work_done = 0;
3487 struct status_block *sblk = bnapi->status_blk.msi;
3488
3489 while (1) {
3490 bnx2_poll_link(bp, bnapi);
3491
3492 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3493
3494 #ifdef BCM_CNIC
3495 bnx2_poll_cnic(bp, bnapi);
3496 #endif
3497
3498 /* bnapi->last_status_idx is used below to tell the hw how
3499 * much work has been processed, so we must read it before
3500 * checking for more work.
3501 */
3502 bnapi->last_status_idx = sblk->status_idx;
3503
3504 if (unlikely(work_done >= budget))
3505 break;
3506
3507 rmb();
3508 if (likely(!bnx2_has_work(bnapi))) {
3509 napi_complete(napi);
3510 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3511 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3512 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3513 bnapi->last_status_idx);
3514 break;
3515 }
3516 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3517 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3518 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3519 bnapi->last_status_idx);
3520
3521 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3522 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3523 bnapi->last_status_idx);
3524 break;
3525 }
3526 }
3527
3528 return work_done;
3529 }
3530
3531 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3532 * from set_multicast.
3533 */
3534 static void
3535 bnx2_set_rx_mode(struct net_device *dev)
3536 {
3537 struct bnx2 *bp = netdev_priv(dev);
3538 u32 rx_mode, sort_mode;
3539 struct netdev_hw_addr *ha;
3540 int i;
3541
3542 if (!netif_running(dev))
3543 return;
3544
3545 spin_lock_bh(&bp->phy_lock);
3546
3547 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3548 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3549 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3550 if (!(dev->features & NETIF_F_HW_VLAN_RX) &&
3551 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3552 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3553 if (dev->flags & IFF_PROMISC) {
3554 /* Promiscuous mode. */
3555 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3556 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3557 BNX2_RPM_SORT_USER0_PROM_VLAN;
3558 }
3559 else if (dev->flags & IFF_ALLMULTI) {
3560 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3561 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3562 0xffffffff);
3563 }
3564 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3565 }
3566 else {
3567 /* Accept one or more multicast(s). */
3568 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3569 u32 regidx;
3570 u32 bit;
3571 u32 crc;
3572
3573 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3574
3575 netdev_for_each_mc_addr(ha, dev) {
3576 crc = ether_crc_le(ETH_ALEN, ha->addr);
3577 bit = crc & 0xff;
3578 regidx = (bit & 0xe0) >> 5;
3579 bit &= 0x1f;
3580 mc_filter[regidx] |= (1 << bit);
3581 }
3582
3583 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3584 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3585 mc_filter[i]);
3586 }
3587
3588 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3589 }
3590
3591 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
3592 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3593 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3594 BNX2_RPM_SORT_USER0_PROM_VLAN;
3595 } else if (!(dev->flags & IFF_PROMISC)) {
3596 /* Add all entries into to the match filter list */
3597 i = 0;
3598 netdev_for_each_uc_addr(ha, dev) {
3599 bnx2_set_mac_addr(bp, ha->addr,
3600 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3601 sort_mode |= (1 <<
3602 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3603 i++;
3604 }
3605
3606 }
3607
3608 if (rx_mode != bp->rx_mode) {
3609 bp->rx_mode = rx_mode;
3610 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3611 }
3612
3613 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3614 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3615 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3616
3617 spin_unlock_bh(&bp->phy_lock);
3618 }
3619
3620 static int
3621 check_fw_section(const struct firmware *fw,
3622 const struct bnx2_fw_file_section *section,
3623 u32 alignment, bool non_empty)
3624 {
3625 u32 offset = be32_to_cpu(section->offset);
3626 u32 len = be32_to_cpu(section->len);
3627
3628 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3629 return -EINVAL;
3630 if ((non_empty && len == 0) || len > fw->size - offset ||
3631 len & (alignment - 1))
3632 return -EINVAL;
3633 return 0;
3634 }
3635
3636 static int
3637 check_mips_fw_entry(const struct firmware *fw,
3638 const struct bnx2_mips_fw_file_entry *entry)
3639 {
3640 if (check_fw_section(fw, &entry->text, 4, true) ||
3641 check_fw_section(fw, &entry->data, 4, false) ||
3642 check_fw_section(fw, &entry->rodata, 4, false))
3643 return -EINVAL;
3644 return 0;
3645 }
3646
3647 static void bnx2_release_firmware(struct bnx2 *bp)
3648 {
3649 if (bp->rv2p_firmware) {
3650 release_firmware(bp->mips_firmware);
3651 release_firmware(bp->rv2p_firmware);
3652 bp->rv2p_firmware = NULL;
3653 }
3654 }
3655
3656 static int bnx2_request_uncached_firmware(struct bnx2 *bp)
3657 {
3658 const char *mips_fw_file, *rv2p_fw_file;
3659 const struct bnx2_mips_fw_file *mips_fw;
3660 const struct bnx2_rv2p_fw_file *rv2p_fw;
3661 int rc;
3662
3663 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3664 mips_fw_file = FW_MIPS_FILE_09;
3665 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3666 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3667 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3668 else
3669 rv2p_fw_file = FW_RV2P_FILE_09;
3670 } else {
3671 mips_fw_file = FW_MIPS_FILE_06;
3672 rv2p_fw_file = FW_RV2P_FILE_06;
3673 }
3674
3675 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3676 if (rc) {
3677 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
3678 goto out;
3679 }
3680
3681 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3682 if (rc) {
3683 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
3684 goto err_release_mips_firmware;
3685 }
3686 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3687 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3688 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3689 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3690 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3691 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3692 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3693 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3694 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
3695 rc = -EINVAL;
3696 goto err_release_firmware;
3697 }
3698 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3699 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3700 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3701 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
3702 rc = -EINVAL;
3703 goto err_release_firmware;
3704 }
3705 out:
3706 return rc;
3707
3708 err_release_firmware:
3709 release_firmware(bp->rv2p_firmware);
3710 bp->rv2p_firmware = NULL;
3711 err_release_mips_firmware:
3712 release_firmware(bp->mips_firmware);
3713 goto out;
3714 }
3715
3716 static int bnx2_request_firmware(struct bnx2 *bp)
3717 {
3718 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
3719 }
3720
3721 static u32
3722 rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3723 {
3724 switch (idx) {
3725 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3726 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3727 rv2p_code |= RV2P_BD_PAGE_SIZE;
3728 break;
3729 }
3730 return rv2p_code;
3731 }
3732
3733 static int
3734 load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3735 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3736 {
3737 u32 rv2p_code_len, file_offset;
3738 __be32 *rv2p_code;
3739 int i;
3740 u32 val, cmd, addr;
3741
3742 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3743 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3744
3745 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3746
3747 if (rv2p_proc == RV2P_PROC1) {
3748 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3749 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3750 } else {
3751 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3752 addr = BNX2_RV2P_PROC2_ADDR_CMD;
3753 }
3754
3755 for (i = 0; i < rv2p_code_len; i += 8) {
3756 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3757 rv2p_code++;
3758 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3759 rv2p_code++;
3760
3761 val = (i / 8) | cmd;
3762 REG_WR(bp, addr, val);
3763 }
3764
3765 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3766 for (i = 0; i < 8; i++) {
3767 u32 loc, code;
3768
3769 loc = be32_to_cpu(fw_entry->fixup[i]);
3770 if (loc && ((loc * 4) < rv2p_code_len)) {
3771 code = be32_to_cpu(*(rv2p_code + loc - 1));
3772 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3773 code = be32_to_cpu(*(rv2p_code + loc));
3774 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3775 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3776
3777 val = (loc / 2) | cmd;
3778 REG_WR(bp, addr, val);
3779 }
3780 }
3781
3782 /* Reset the processor, un-stall is done later. */
3783 if (rv2p_proc == RV2P_PROC1) {
3784 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3785 }
3786 else {
3787 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3788 }
3789
3790 return 0;
3791 }
3792
3793 static int
3794 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3795 const struct bnx2_mips_fw_file_entry *fw_entry)
3796 {
3797 u32 addr, len, file_offset;
3798 __be32 *data;
3799 u32 offset;
3800 u32 val;
3801
3802 /* Halt the CPU. */
3803 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3804 val |= cpu_reg->mode_value_halt;
3805 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3806 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3807
3808 /* Load the Text area. */
3809 addr = be32_to_cpu(fw_entry->text.addr);
3810 len = be32_to_cpu(fw_entry->text.len);
3811 file_offset = be32_to_cpu(fw_entry->text.offset);
3812 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3813
3814 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3815 if (len) {
3816 int j;
3817
3818 for (j = 0; j < (len / 4); j++, offset += 4)
3819 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3820 }
3821
3822 /* Load the Data area. */
3823 addr = be32_to_cpu(fw_entry->data.addr);
3824 len = be32_to_cpu(fw_entry->data.len);
3825 file_offset = be32_to_cpu(fw_entry->data.offset);
3826 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3827
3828 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3829 if (len) {
3830 int j;
3831
3832 for (j = 0; j < (len / 4); j++, offset += 4)
3833 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3834 }
3835
3836 /* Load the Read-Only area. */
3837 addr = be32_to_cpu(fw_entry->rodata.addr);
3838 len = be32_to_cpu(fw_entry->rodata.len);
3839 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3840 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3841
3842 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3843 if (len) {
3844 int j;
3845
3846 for (j = 0; j < (len / 4); j++, offset += 4)
3847 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3848 }
3849
3850 /* Clear the pre-fetch instruction. */
3851 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3852
3853 val = be32_to_cpu(fw_entry->start_addr);
3854 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3855
3856 /* Start the CPU. */
3857 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3858 val &= ~cpu_reg->mode_value_halt;
3859 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3860 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3861
3862 return 0;
3863 }
3864
3865 static int
3866 bnx2_init_cpus(struct bnx2 *bp)
3867 {
3868 const struct bnx2_mips_fw_file *mips_fw =
3869 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3870 const struct bnx2_rv2p_fw_file *rv2p_fw =
3871 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3872 int rc;
3873
3874 /* Initialize the RV2P processor. */
3875 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3876 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3877
3878 /* Initialize the RX Processor. */
3879 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
3880 if (rc)
3881 goto init_cpu_err;
3882
3883 /* Initialize the TX Processor. */
3884 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
3885 if (rc)
3886 goto init_cpu_err;
3887
3888 /* Initialize the TX Patch-up Processor. */
3889 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3890 if (rc)
3891 goto init_cpu_err;
3892
3893 /* Initialize the Completion Processor. */
3894 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3895 if (rc)
3896 goto init_cpu_err;
3897
3898 /* Initialize the Command Processor. */
3899 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3900
3901 init_cpu_err:
3902 return rc;
3903 }
3904
3905 static int
3906 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3907 {
3908 u16 pmcsr;
3909
3910 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3911
3912 switch (state) {
3913 case PCI_D0: {
3914 u32 val;
3915
3916 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3917 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3918 PCI_PM_CTRL_PME_STATUS);
3919
3920 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3921 /* delay required during transition out of D3hot */
3922 msleep(20);
3923
3924 val = REG_RD(bp, BNX2_EMAC_MODE);
3925 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3926 val &= ~BNX2_EMAC_MODE_MPKT;
3927 REG_WR(bp, BNX2_EMAC_MODE, val);
3928
3929 val = REG_RD(bp, BNX2_RPM_CONFIG);
3930 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3931 REG_WR(bp, BNX2_RPM_CONFIG, val);
3932 break;
3933 }
3934 case PCI_D3hot: {
3935 int i;
3936 u32 val, wol_msg;
3937
3938 if (bp->wol) {
3939 u32 advertising;
3940 u8 autoneg;
3941
3942 autoneg = bp->autoneg;
3943 advertising = bp->advertising;
3944
3945 if (bp->phy_port == PORT_TP) {
3946 bp->autoneg = AUTONEG_SPEED;
3947 bp->advertising = ADVERTISED_10baseT_Half |
3948 ADVERTISED_10baseT_Full |
3949 ADVERTISED_100baseT_Half |
3950 ADVERTISED_100baseT_Full |
3951 ADVERTISED_Autoneg;
3952 }
3953
3954 spin_lock_bh(&bp->phy_lock);
3955 bnx2_setup_phy(bp, bp->phy_port);
3956 spin_unlock_bh(&bp->phy_lock);
3957
3958 bp->autoneg = autoneg;
3959 bp->advertising = advertising;
3960
3961 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3962
3963 val = REG_RD(bp, BNX2_EMAC_MODE);
3964
3965 /* Enable port mode. */
3966 val &= ~BNX2_EMAC_MODE_PORT;
3967 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3968 BNX2_EMAC_MODE_ACPI_RCVD |
3969 BNX2_EMAC_MODE_MPKT;
3970 if (bp->phy_port == PORT_TP)
3971 val |= BNX2_EMAC_MODE_PORT_MII;
3972 else {
3973 val |= BNX2_EMAC_MODE_PORT_GMII;
3974 if (bp->line_speed == SPEED_2500)
3975 val |= BNX2_EMAC_MODE_25G_MODE;
3976 }
3977
3978 REG_WR(bp, BNX2_EMAC_MODE, val);
3979
3980 /* receive all multicast */
3981 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3982 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3983 0xffffffff);
3984 }
3985 REG_WR(bp, BNX2_EMAC_RX_MODE,
3986 BNX2_EMAC_RX_MODE_SORT_MODE);
3987
3988 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3989 BNX2_RPM_SORT_USER0_MC_EN;
3990 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3991 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3992 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3993 BNX2_RPM_SORT_USER0_ENA);
3994
3995 /* Need to enable EMAC and RPM for WOL. */
3996 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3997 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3998 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3999 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
4000
4001 val = REG_RD(bp, BNX2_RPM_CONFIG);
4002 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
4003 REG_WR(bp, BNX2_RPM_CONFIG, val);
4004
4005 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4006 }
4007 else {
4008 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4009 }
4010
4011 if (!(bp->flags & BNX2_FLAG_NO_WOL))
4012 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
4013 1, 0);
4014
4015 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
4016 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4017 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
4018
4019 if (bp->wol)
4020 pmcsr |= 3;
4021 }
4022 else {
4023 pmcsr |= 3;
4024 }
4025 if (bp->wol) {
4026 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
4027 }
4028 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
4029 pmcsr);
4030
4031 /* No more memory access after this point until
4032 * device is brought back to D0.
4033 */
4034 udelay(50);
4035 break;
4036 }
4037 default:
4038 return -EINVAL;
4039 }
4040 return 0;
4041 }
4042
4043 static int
4044 bnx2_acquire_nvram_lock(struct bnx2 *bp)
4045 {
4046 u32 val;
4047 int j;
4048
4049 /* Request access to the flash interface. */
4050 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4051 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4052 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4053 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4054 break;
4055
4056 udelay(5);
4057 }
4058
4059 if (j >= NVRAM_TIMEOUT_COUNT)
4060 return -EBUSY;
4061
4062 return 0;
4063 }
4064
4065 static int
4066 bnx2_release_nvram_lock(struct bnx2 *bp)
4067 {
4068 int j;
4069 u32 val;
4070
4071 /* Relinquish nvram interface. */
4072 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4073
4074 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4075 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4076 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4077 break;
4078
4079 udelay(5);
4080 }
4081
4082 if (j >= NVRAM_TIMEOUT_COUNT)
4083 return -EBUSY;
4084
4085 return 0;
4086 }
4087
4088
4089 static int
4090 bnx2_enable_nvram_write(struct bnx2 *bp)
4091 {
4092 u32 val;
4093
4094 val = REG_RD(bp, BNX2_MISC_CFG);
4095 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4096
4097 if (bp->flash_info->flags & BNX2_NV_WREN) {
4098 int j;
4099
4100 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4101 REG_WR(bp, BNX2_NVM_COMMAND,
4102 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4103
4104 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4105 udelay(5);
4106
4107 val = REG_RD(bp, BNX2_NVM_COMMAND);
4108 if (val & BNX2_NVM_COMMAND_DONE)
4109 break;
4110 }
4111
4112 if (j >= NVRAM_TIMEOUT_COUNT)
4113 return -EBUSY;
4114 }
4115 return 0;
4116 }
4117
4118 static void
4119 bnx2_disable_nvram_write(struct bnx2 *bp)
4120 {
4121 u32 val;
4122
4123 val = REG_RD(bp, BNX2_MISC_CFG);
4124 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4125 }
4126
4127
4128 static void
4129 bnx2_enable_nvram_access(struct bnx2 *bp)
4130 {
4131 u32 val;
4132
4133 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4134 /* Enable both bits, even on read. */
4135 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4136 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4137 }
4138
4139 static void
4140 bnx2_disable_nvram_access(struct bnx2 *bp)
4141 {
4142 u32 val;
4143
4144 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4145 /* Disable both bits, even after read. */
4146 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4147 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4148 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4149 }
4150
4151 static int
4152 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4153 {
4154 u32 cmd;
4155 int j;
4156
4157 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
4158 /* Buffered flash, no erase needed */
4159 return 0;
4160
4161 /* Build an erase command */
4162 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4163 BNX2_NVM_COMMAND_DOIT;
4164
4165 /* Need to clear DONE bit separately. */
4166 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4167
4168 /* Address of the NVRAM to read from. */
4169 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4170
4171 /* Issue an erase command. */
4172 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4173
4174 /* Wait for completion. */
4175 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4176 u32 val;
4177
4178 udelay(5);
4179
4180 val = REG_RD(bp, BNX2_NVM_COMMAND);
4181 if (val & BNX2_NVM_COMMAND_DONE)
4182 break;
4183 }
4184
4185 if (j >= NVRAM_TIMEOUT_COUNT)
4186 return -EBUSY;
4187
4188 return 0;
4189 }
4190
4191 static int
4192 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4193 {
4194 u32 cmd;
4195 int j;
4196
4197 /* Build the command word. */
4198 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4199
4200 /* Calculate an offset of a buffered flash, not needed for 5709. */
4201 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4202 offset = ((offset / bp->flash_info->page_size) <<
4203 bp->flash_info->page_bits) +
4204 (offset % bp->flash_info->page_size);
4205 }
4206
4207 /* Need to clear DONE bit separately. */
4208 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4209
4210 /* Address of the NVRAM to read from. */
4211 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4212
4213 /* Issue a read command. */
4214 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4215
4216 /* Wait for completion. */
4217 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4218 u32 val;
4219
4220 udelay(5);
4221
4222 val = REG_RD(bp, BNX2_NVM_COMMAND);
4223 if (val & BNX2_NVM_COMMAND_DONE) {
4224 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4225 memcpy(ret_val, &v, 4);
4226 break;
4227 }
4228 }
4229 if (j >= NVRAM_TIMEOUT_COUNT)
4230 return -EBUSY;
4231
4232 return 0;
4233 }
4234
4235
4236 static int
4237 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4238 {
4239 u32 cmd;
4240 __be32 val32;
4241 int j;
4242
4243 /* Build the command word. */
4244 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4245
4246 /* Calculate an offset of a buffered flash, not needed for 5709. */
4247 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4248 offset = ((offset / bp->flash_info->page_size) <<
4249 bp->flash_info->page_bits) +
4250 (offset % bp->flash_info->page_size);
4251 }
4252
4253 /* Need to clear DONE bit separately. */
4254 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4255
4256 memcpy(&val32, val, 4);
4257
4258 /* Write the data. */
4259 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4260
4261 /* Address of the NVRAM to write to. */
4262 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4263
4264 /* Issue the write command. */
4265 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4266
4267 /* Wait for completion. */
4268 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4269 udelay(5);
4270
4271 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4272 break;
4273 }
4274 if (j >= NVRAM_TIMEOUT_COUNT)
4275 return -EBUSY;
4276
4277 return 0;
4278 }
4279
4280 static int
4281 bnx2_init_nvram(struct bnx2 *bp)
4282 {
4283 u32 val;
4284 int j, entry_count, rc = 0;
4285 const struct flash_spec *flash;
4286
4287 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4288 bp->flash_info = &flash_5709;
4289 goto get_flash_size;
4290 }
4291
4292 /* Determine the selected interface. */
4293 val = REG_RD(bp, BNX2_NVM_CFG1);
4294
4295 entry_count = ARRAY_SIZE(flash_table);
4296
4297 if (val & 0x40000000) {
4298
4299 /* Flash interface has been reconfigured */
4300 for (j = 0, flash = &flash_table[0]; j < entry_count;
4301 j++, flash++) {
4302 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4303 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4304 bp->flash_info = flash;
4305 break;
4306 }
4307 }
4308 }
4309 else {
4310 u32 mask;
4311 /* Not yet been reconfigured */
4312
4313 if (val & (1 << 23))
4314 mask = FLASH_BACKUP_STRAP_MASK;
4315 else
4316 mask = FLASH_STRAP_MASK;
4317
4318 for (j = 0, flash = &flash_table[0]; j < entry_count;
4319 j++, flash++) {
4320
4321 if ((val & mask) == (flash->strapping & mask)) {
4322 bp->flash_info = flash;
4323
4324 /* Request access to the flash interface. */
4325 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4326 return rc;
4327
4328 /* Enable access to flash interface */
4329 bnx2_enable_nvram_access(bp);
4330
4331 /* Reconfigure the flash interface */
4332 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4333 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4334 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4335 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4336
4337 /* Disable access to flash interface */
4338 bnx2_disable_nvram_access(bp);
4339 bnx2_release_nvram_lock(bp);
4340
4341 break;
4342 }
4343 }
4344 } /* if (val & 0x40000000) */
4345
4346 if (j == entry_count) {
4347 bp->flash_info = NULL;
4348 pr_alert("Unknown flash/EEPROM type\n");
4349 return -ENODEV;
4350 }
4351
4352 get_flash_size:
4353 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
4354 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4355 if (val)
4356 bp->flash_size = val;
4357 else
4358 bp->flash_size = bp->flash_info->total_size;
4359
4360 return rc;
4361 }
4362
4363 static int
4364 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4365 int buf_size)
4366 {
4367 int rc = 0;
4368 u32 cmd_flags, offset32, len32, extra;
4369
4370 if (buf_size == 0)
4371 return 0;
4372
4373 /* Request access to the flash interface. */
4374 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4375 return rc;
4376
4377 /* Enable access to flash interface */
4378 bnx2_enable_nvram_access(bp);
4379
4380 len32 = buf_size;
4381 offset32 = offset;
4382 extra = 0;
4383
4384 cmd_flags = 0;
4385
4386 if (offset32 & 3) {
4387 u8 buf[4];
4388 u32 pre_len;
4389
4390 offset32 &= ~3;
4391 pre_len = 4 - (offset & 3);
4392
4393 if (pre_len >= len32) {
4394 pre_len = len32;
4395 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4396 BNX2_NVM_COMMAND_LAST;
4397 }
4398 else {
4399 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4400 }
4401
4402 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4403
4404 if (rc)
4405 return rc;
4406
4407 memcpy(ret_buf, buf + (offset & 3), pre_len);
4408
4409 offset32 += 4;
4410 ret_buf += pre_len;
4411 len32 -= pre_len;
4412 }
4413 if (len32 & 3) {
4414 extra = 4 - (len32 & 3);
4415 len32 = (len32 + 4) & ~3;
4416 }
4417
4418 if (len32 == 4) {
4419 u8 buf[4];
4420
4421 if (cmd_flags)
4422 cmd_flags = BNX2_NVM_COMMAND_LAST;
4423 else
4424 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4425 BNX2_NVM_COMMAND_LAST;
4426
4427 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4428
4429 memcpy(ret_buf, buf, 4 - extra);
4430 }
4431 else if (len32 > 0) {
4432 u8 buf[4];
4433
4434 /* Read the first word. */
4435 if (cmd_flags)
4436 cmd_flags = 0;
4437 else
4438 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4439
4440 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4441
4442 /* Advance to the next dword. */
4443 offset32 += 4;
4444 ret_buf += 4;
4445 len32 -= 4;
4446
4447 while (len32 > 4 && rc == 0) {
4448 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4449
4450 /* Advance to the next dword. */
4451 offset32 += 4;
4452 ret_buf += 4;
4453 len32 -= 4;
4454 }
4455
4456 if (rc)
4457 return rc;
4458
4459 cmd_flags = BNX2_NVM_COMMAND_LAST;
4460 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4461
4462 memcpy(ret_buf, buf, 4 - extra);
4463 }
4464
4465 /* Disable access to flash interface */
4466 bnx2_disable_nvram_access(bp);
4467
4468 bnx2_release_nvram_lock(bp);
4469
4470 return rc;
4471 }
4472
4473 static int
4474 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4475 int buf_size)
4476 {
4477 u32 written, offset32, len32;
4478 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4479 int rc = 0;
4480 int align_start, align_end;
4481
4482 buf = data_buf;
4483 offset32 = offset;
4484 len32 = buf_size;
4485 align_start = align_end = 0;
4486
4487 if ((align_start = (offset32 & 3))) {
4488 offset32 &= ~3;
4489 len32 += align_start;
4490 if (len32 < 4)
4491 len32 = 4;
4492 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4493 return rc;
4494 }
4495
4496 if (len32 & 3) {
4497 align_end = 4 - (len32 & 3);
4498 len32 += align_end;
4499 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4500 return rc;
4501 }
4502
4503 if (align_start || align_end) {
4504 align_buf = kmalloc(len32, GFP_KERNEL);
4505 if (align_buf == NULL)
4506 return -ENOMEM;
4507 if (align_start) {
4508 memcpy(align_buf, start, 4);
4509 }
4510 if (align_end) {
4511 memcpy(align_buf + len32 - 4, end, 4);
4512 }
4513 memcpy(align_buf + align_start, data_buf, buf_size);
4514 buf = align_buf;
4515 }
4516
4517 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4518 flash_buffer = kmalloc(264, GFP_KERNEL);
4519 if (flash_buffer == NULL) {
4520 rc = -ENOMEM;
4521 goto nvram_write_end;
4522 }
4523 }
4524
4525 written = 0;
4526 while ((written < len32) && (rc == 0)) {
4527 u32 page_start, page_end, data_start, data_end;
4528 u32 addr, cmd_flags;
4529 int i;
4530
4531 /* Find the page_start addr */
4532 page_start = offset32 + written;
4533 page_start -= (page_start % bp->flash_info->page_size);
4534 /* Find the page_end addr */
4535 page_end = page_start + bp->flash_info->page_size;
4536 /* Find the data_start addr */
4537 data_start = (written == 0) ? offset32 : page_start;
4538 /* Find the data_end addr */
4539 data_end = (page_end > offset32 + len32) ?
4540 (offset32 + len32) : page_end;
4541
4542 /* Request access to the flash interface. */
4543 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4544 goto nvram_write_end;
4545
4546 /* Enable access to flash interface */
4547 bnx2_enable_nvram_access(bp);
4548
4549 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4550 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4551 int j;
4552
4553 /* Read the whole page into the buffer
4554 * (non-buffer flash only) */
4555 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4556 if (j == (bp->flash_info->page_size - 4)) {
4557 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4558 }
4559 rc = bnx2_nvram_read_dword(bp,
4560 page_start + j,
4561 &flash_buffer[j],
4562 cmd_flags);
4563
4564 if (rc)
4565 goto nvram_write_end;
4566
4567 cmd_flags = 0;
4568 }
4569 }
4570
4571 /* Enable writes to flash interface (unlock write-protect) */
4572 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4573 goto nvram_write_end;
4574
4575 /* Loop to write back the buffer data from page_start to
4576 * data_start */
4577 i = 0;
4578 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4579 /* Erase the page */
4580 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4581 goto nvram_write_end;
4582
4583 /* Re-enable the write again for the actual write */
4584 bnx2_enable_nvram_write(bp);
4585
4586 for (addr = page_start; addr < data_start;
4587 addr += 4, i += 4) {
4588
4589 rc = bnx2_nvram_write_dword(bp, addr,
4590 &flash_buffer[i], cmd_flags);
4591
4592 if (rc != 0)
4593 goto nvram_write_end;
4594
4595 cmd_flags = 0;
4596 }
4597 }
4598
4599 /* Loop to write the new data from data_start to data_end */
4600 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4601 if ((addr == page_end - 4) ||
4602 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4603 (addr == data_end - 4))) {
4604
4605 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4606 }
4607 rc = bnx2_nvram_write_dword(bp, addr, buf,
4608 cmd_flags);
4609
4610 if (rc != 0)
4611 goto nvram_write_end;
4612
4613 cmd_flags = 0;
4614 buf += 4;
4615 }
4616
4617 /* Loop to write back the buffer data from data_end
4618 * to page_end */
4619 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4620 for (addr = data_end; addr < page_end;
4621 addr += 4, i += 4) {
4622
4623 if (addr == page_end-4) {
4624 cmd_flags = BNX2_NVM_COMMAND_LAST;
4625 }
4626 rc = bnx2_nvram_write_dword(bp, addr,
4627 &flash_buffer[i], cmd_flags);
4628
4629 if (rc != 0)
4630 goto nvram_write_end;
4631
4632 cmd_flags = 0;
4633 }
4634 }
4635
4636 /* Disable writes to flash interface (lock write-protect) */
4637 bnx2_disable_nvram_write(bp);
4638
4639 /* Disable access to flash interface */
4640 bnx2_disable_nvram_access(bp);
4641 bnx2_release_nvram_lock(bp);
4642
4643 /* Increment written */
4644 written += data_end - data_start;
4645 }
4646
4647 nvram_write_end:
4648 kfree(flash_buffer);
4649 kfree(align_buf);
4650 return rc;
4651 }
4652
4653 static void
4654 bnx2_init_fw_cap(struct bnx2 *bp)
4655 {
4656 u32 val, sig = 0;
4657
4658 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4659 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4660
4661 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4662 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4663
4664 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4665 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4666 return;
4667
4668 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4669 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4670 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4671 }
4672
4673 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4674 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4675 u32 link;
4676
4677 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4678
4679 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4680 if (link & BNX2_LINK_STATUS_SERDES_LINK)
4681 bp->phy_port = PORT_FIBRE;
4682 else
4683 bp->phy_port = PORT_TP;
4684
4685 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4686 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4687 }
4688
4689 if (netif_running(bp->dev) && sig)
4690 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4691 }
4692
4693 static void
4694 bnx2_setup_msix_tbl(struct bnx2 *bp)
4695 {
4696 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4697
4698 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4699 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4700 }
4701
4702 static int
4703 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4704 {
4705 u32 val;
4706 int i, rc = 0;
4707 u8 old_port;
4708
4709 /* Wait for the current PCI transaction to complete before
4710 * issuing a reset. */
4711 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4712 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
4713 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4714 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4715 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4716 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4717 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4718 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4719 udelay(5);
4720 } else { /* 5709 */
4721 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4722 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4723 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4724 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4725
4726 for (i = 0; i < 100; i++) {
4727 msleep(1);
4728 val = REG_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
4729 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4730 break;
4731 }
4732 }
4733
4734 /* Wait for the firmware to tell us it is ok to issue a reset. */
4735 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4736
4737 /* Deposit a driver reset signature so the firmware knows that
4738 * this is a soft reset. */
4739 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4740 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4741
4742 /* Do a dummy read to force the chip to complete all current transaction
4743 * before we issue a reset. */
4744 val = REG_RD(bp, BNX2_MISC_ID);
4745
4746 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4747 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4748 REG_RD(bp, BNX2_MISC_COMMAND);
4749 udelay(5);
4750
4751 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4752 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4753
4754 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4755
4756 } else {
4757 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4758 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4759 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4760
4761 /* Chip reset. */
4762 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4763
4764 /* Reading back any register after chip reset will hang the
4765 * bus on 5706 A0 and A1. The msleep below provides plenty
4766 * of margin for write posting.
4767 */
4768 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4769 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4770 msleep(20);
4771
4772 /* Reset takes approximate 30 usec */
4773 for (i = 0; i < 10; i++) {
4774 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4775 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4776 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4777 break;
4778 udelay(10);
4779 }
4780
4781 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4782 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4783 pr_err("Chip reset did not complete\n");
4784 return -EBUSY;
4785 }
4786 }
4787
4788 /* Make sure byte swapping is properly configured. */
4789 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4790 if (val != 0x01020304) {
4791 pr_err("Chip not in correct endian mode\n");
4792 return -ENODEV;
4793 }
4794
4795 /* Wait for the firmware to finish its initialization. */
4796 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4797 if (rc)
4798 return rc;
4799
4800 spin_lock_bh(&bp->phy_lock);
4801 old_port = bp->phy_port;
4802 bnx2_init_fw_cap(bp);
4803 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4804 old_port != bp->phy_port)
4805 bnx2_set_default_remote_link(bp);
4806 spin_unlock_bh(&bp->phy_lock);
4807
4808 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4809 /* Adjust the voltage regular to two steps lower. The default
4810 * of this register is 0x0000000e. */
4811 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4812
4813 /* Remove bad rbuf memory from the free pool. */
4814 rc = bnx2_alloc_bad_rbuf(bp);
4815 }
4816
4817 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4818 bnx2_setup_msix_tbl(bp);
4819 /* Prevent MSIX table reads and write from timing out */
4820 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4821 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4822 }
4823
4824 return rc;
4825 }
4826
4827 static int
4828 bnx2_init_chip(struct bnx2 *bp)
4829 {
4830 u32 val, mtu;
4831 int rc, i;
4832
4833 /* Make sure the interrupt is not active. */
4834 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4835
4836 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4837 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4838 #ifdef __BIG_ENDIAN
4839 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4840 #endif
4841 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4842 DMA_READ_CHANS << 12 |
4843 DMA_WRITE_CHANS << 16;
4844
4845 val |= (0x2 << 20) | (1 << 11);
4846
4847 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4848 val |= (1 << 23);
4849
4850 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4851 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4852 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4853
4854 REG_WR(bp, BNX2_DMA_CONFIG, val);
4855
4856 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4857 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4858 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4859 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4860 }
4861
4862 if (bp->flags & BNX2_FLAG_PCIX) {
4863 u16 val16;
4864
4865 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4866 &val16);
4867 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4868 val16 & ~PCI_X_CMD_ERO);
4869 }
4870
4871 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4872 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4873 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4874 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4875
4876 /* Initialize context mapping and zero out the quick contexts. The
4877 * context block must have already been enabled. */
4878 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4879 rc = bnx2_init_5709_context(bp);
4880 if (rc)
4881 return rc;
4882 } else
4883 bnx2_init_context(bp);
4884
4885 if ((rc = bnx2_init_cpus(bp)) != 0)
4886 return rc;
4887
4888 bnx2_init_nvram(bp);
4889
4890 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4891
4892 val = REG_RD(bp, BNX2_MQ_CONFIG);
4893 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4894 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4895 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4896 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4897 if (CHIP_REV(bp) == CHIP_REV_Ax)
4898 val |= BNX2_MQ_CONFIG_HALT_DIS;
4899 }
4900
4901 REG_WR(bp, BNX2_MQ_CONFIG, val);
4902
4903 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4904 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4905 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4906
4907 val = (BCM_PAGE_BITS - 8) << 24;
4908 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4909
4910 /* Configure page size. */
4911 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4912 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4913 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4914 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4915
4916 val = bp->mac_addr[0] +
4917 (bp->mac_addr[1] << 8) +
4918 (bp->mac_addr[2] << 16) +
4919 bp->mac_addr[3] +
4920 (bp->mac_addr[4] << 8) +
4921 (bp->mac_addr[5] << 16);
4922 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4923
4924 /* Program the MTU. Also include 4 bytes for CRC32. */
4925 mtu = bp->dev->mtu;
4926 val = mtu + ETH_HLEN + ETH_FCS_LEN;
4927 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4928 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4929 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4930
4931 if (mtu < 1500)
4932 mtu = 1500;
4933
4934 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4935 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4936 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4937
4938 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
4939 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4940 bp->bnx2_napi[i].last_status_idx = 0;
4941
4942 bp->idle_chk_status_idx = 0xffff;
4943
4944 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4945
4946 /* Set up how to generate a link change interrupt. */
4947 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4948
4949 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4950 (u64) bp->status_blk_mapping & 0xffffffff);
4951 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4952
4953 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4954 (u64) bp->stats_blk_mapping & 0xffffffff);
4955 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4956 (u64) bp->stats_blk_mapping >> 32);
4957
4958 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4959 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4960
4961 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4962 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4963
4964 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4965 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4966
4967 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4968
4969 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4970
4971 REG_WR(bp, BNX2_HC_COM_TICKS,
4972 (bp->com_ticks_int << 16) | bp->com_ticks);
4973
4974 REG_WR(bp, BNX2_HC_CMD_TICKS,
4975 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4976
4977 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
4978 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4979 else
4980 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4981 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4982
4983 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4984 val = BNX2_HC_CONFIG_COLLECT_STATS;
4985 else {
4986 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4987 BNX2_HC_CONFIG_COLLECT_STATS;
4988 }
4989
4990 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4991 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4992 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4993
4994 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4995 }
4996
4997 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4998 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
4999
5000 REG_WR(bp, BNX2_HC_CONFIG, val);
5001
5002 if (bp->rx_ticks < 25)
5003 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5004 else
5005 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5006
5007 for (i = 1; i < bp->irq_nvecs; i++) {
5008 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5009 BNX2_HC_SB_CONFIG_1;
5010
5011 REG_WR(bp, base,
5012 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
5013 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
5014 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5015
5016 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
5017 (bp->tx_quick_cons_trip_int << 16) |
5018 bp->tx_quick_cons_trip);
5019
5020 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
5021 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5022
5023 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5024 (bp->rx_quick_cons_trip_int << 16) |
5025 bp->rx_quick_cons_trip);
5026
5027 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
5028 (bp->rx_ticks_int << 16) | bp->rx_ticks);
5029 }
5030
5031 /* Clear internal stats counters. */
5032 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
5033
5034 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
5035
5036 /* Initialize the receive filter. */
5037 bnx2_set_rx_mode(bp->dev);
5038
5039 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5040 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
5041 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
5042 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
5043 }
5044 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
5045 1, 0);
5046
5047 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5048 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
5049
5050 udelay(20);
5051
5052 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
5053
5054 return rc;
5055 }
5056
5057 static void
5058 bnx2_clear_ring_states(struct bnx2 *bp)
5059 {
5060 struct bnx2_napi *bnapi;
5061 struct bnx2_tx_ring_info *txr;
5062 struct bnx2_rx_ring_info *rxr;
5063 int i;
5064
5065 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5066 bnapi = &bp->bnx2_napi[i];
5067 txr = &bnapi->tx_ring;
5068 rxr = &bnapi->rx_ring;
5069
5070 txr->tx_cons = 0;
5071 txr->hw_tx_cons = 0;
5072 rxr->rx_prod_bseq = 0;
5073 rxr->rx_prod = 0;
5074 rxr->rx_cons = 0;
5075 rxr->rx_pg_prod = 0;
5076 rxr->rx_pg_cons = 0;
5077 }
5078 }
5079
5080 static void
5081 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
5082 {
5083 u32 val, offset0, offset1, offset2, offset3;
5084 u32 cid_addr = GET_CID_ADDR(cid);
5085
5086 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5087 offset0 = BNX2_L2CTX_TYPE_XI;
5088 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5089 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5090 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5091 } else {
5092 offset0 = BNX2_L2CTX_TYPE;
5093 offset1 = BNX2_L2CTX_CMD_TYPE;
5094 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5095 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5096 }
5097 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
5098 bnx2_ctx_wr(bp, cid_addr, offset0, val);
5099
5100 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
5101 bnx2_ctx_wr(bp, cid_addr, offset1, val);
5102
5103 val = (u64) txr->tx_desc_mapping >> 32;
5104 bnx2_ctx_wr(bp, cid_addr, offset2, val);
5105
5106 val = (u64) txr->tx_desc_mapping & 0xffffffff;
5107 bnx2_ctx_wr(bp, cid_addr, offset3, val);
5108 }
5109
5110 static void
5111 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
5112 {
5113 struct tx_bd *txbd;
5114 u32 cid = TX_CID;
5115 struct bnx2_napi *bnapi;
5116 struct bnx2_tx_ring_info *txr;
5117
5118 bnapi = &bp->bnx2_napi[ring_num];
5119 txr = &bnapi->tx_ring;
5120
5121 if (ring_num == 0)
5122 cid = TX_CID;
5123 else
5124 cid = TX_TSS_CID + ring_num - 1;
5125
5126 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5127
5128 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
5129
5130 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5131 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
5132
5133 txr->tx_prod = 0;
5134 txr->tx_prod_bseq = 0;
5135
5136 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5137 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
5138
5139 bnx2_init_tx_context(bp, cid, txr);
5140 }
5141
5142 static void
5143 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5144 int num_rings)
5145 {
5146 int i;
5147 struct rx_bd *rxbd;
5148
5149 for (i = 0; i < num_rings; i++) {
5150 int j;
5151
5152 rxbd = &rx_ring[i][0];
5153 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5154 rxbd->rx_bd_len = buf_size;
5155 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5156 }
5157 if (i == (num_rings - 1))
5158 j = 0;
5159 else
5160 j = i + 1;
5161 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5162 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
5163 }
5164 }
5165
5166 static void
5167 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5168 {
5169 int i;
5170 u16 prod, ring_prod;
5171 u32 cid, rx_cid_addr, val;
5172 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5173 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5174
5175 if (ring_num == 0)
5176 cid = RX_CID;
5177 else
5178 cid = RX_RSS_CID + ring_num - 1;
5179
5180 rx_cid_addr = GET_CID_ADDR(cid);
5181
5182 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5183 bp->rx_buf_use_size, bp->rx_max_ring);
5184
5185 bnx2_init_rx_context(bp, cid);
5186
5187 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5188 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5189 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5190 }
5191
5192 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
5193 if (bp->rx_pg_ring_size) {
5194 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5195 rxr->rx_pg_desc_mapping,
5196 PAGE_SIZE, bp->rx_max_pg_ring);
5197 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
5198 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5199 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5200 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
5201
5202 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
5203 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
5204
5205 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
5206 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
5207
5208 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5209 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5210 }
5211
5212 val = (u64) rxr->rx_desc_mapping[0] >> 32;
5213 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
5214
5215 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
5216 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
5217
5218 ring_prod = prod = rxr->rx_pg_prod;
5219 for (i = 0; i < bp->rx_pg_ring_size; i++) {
5220 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
5221 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5222 ring_num, i, bp->rx_pg_ring_size);
5223 break;
5224 }
5225 prod = NEXT_RX_BD(prod);
5226 ring_prod = RX_PG_RING_IDX(prod);
5227 }
5228 rxr->rx_pg_prod = prod;
5229
5230 ring_prod = prod = rxr->rx_prod;
5231 for (i = 0; i < bp->rx_ring_size; i++) {
5232 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
5233 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5234 ring_num, i, bp->rx_ring_size);
5235 break;
5236 }
5237 prod = NEXT_RX_BD(prod);
5238 ring_prod = RX_RING_IDX(prod);
5239 }
5240 rxr->rx_prod = prod;
5241
5242 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5243 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5244 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
5245
5246 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5247 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5248
5249 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
5250 }
5251
5252 static void
5253 bnx2_init_all_rings(struct bnx2 *bp)
5254 {
5255 int i;
5256 u32 val;
5257
5258 bnx2_clear_ring_states(bp);
5259
5260 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5261 for (i = 0; i < bp->num_tx_rings; i++)
5262 bnx2_init_tx_ring(bp, i);
5263
5264 if (bp->num_tx_rings > 1)
5265 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5266 (TX_TSS_CID << 7));
5267
5268 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5269 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5270
5271 for (i = 0; i < bp->num_rx_rings; i++)
5272 bnx2_init_rx_ring(bp, i);
5273
5274 if (bp->num_rx_rings > 1) {
5275 u32 tbl_32 = 0;
5276
5277 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5278 int shift = (i % 8) << 2;
5279
5280 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5281 if ((i % 8) == 7) {
5282 REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5283 REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
5284 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5285 BNX2_RLUP_RSS_COMMAND_WRITE |
5286 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5287 tbl_32 = 0;
5288 }
5289 }
5290
5291 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5292 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5293
5294 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5295
5296 }
5297 }
5298
5299 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5300 {
5301 u32 max, num_rings = 1;
5302
5303 while (ring_size > MAX_RX_DESC_CNT) {
5304 ring_size -= MAX_RX_DESC_CNT;
5305 num_rings++;
5306 }
5307 /* round to next power of 2 */
5308 max = max_size;
5309 while ((max & num_rings) == 0)
5310 max >>= 1;
5311
5312 if (num_rings != max)
5313 max <<= 1;
5314
5315 return max;
5316 }
5317
5318 static void
5319 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5320 {
5321 u32 rx_size, rx_space, jumbo_size;
5322
5323 /* 8 for CRC and VLAN */
5324 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5325
5326 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5327 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
5328
5329 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5330 bp->rx_pg_ring_size = 0;
5331 bp->rx_max_pg_ring = 0;
5332 bp->rx_max_pg_ring_idx = 0;
5333 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
5334 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5335
5336 jumbo_size = size * pages;
5337 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5338 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5339
5340 bp->rx_pg_ring_size = jumbo_size;
5341 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5342 MAX_RX_PG_RINGS);
5343 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
5344 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
5345 bp->rx_copy_thresh = 0;
5346 }
5347
5348 bp->rx_buf_use_size = rx_size;
5349 /* hw alignment + build_skb() overhead*/
5350 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5351 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
5352 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5353 bp->rx_ring_size = size;
5354 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5355 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5356 }
5357
5358 static void
5359 bnx2_free_tx_skbs(struct bnx2 *bp)
5360 {
5361 int i;
5362
5363 for (i = 0; i < bp->num_tx_rings; i++) {
5364 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5365 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5366 int j;
5367
5368 if (txr->tx_buf_ring == NULL)
5369 continue;
5370
5371 for (j = 0; j < TX_DESC_CNT; ) {
5372 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5373 struct sk_buff *skb = tx_buf->skb;
5374 int k, last;
5375
5376 if (skb == NULL) {
5377 j++;
5378 continue;
5379 }
5380
5381 dma_unmap_single(&bp->pdev->dev,
5382 dma_unmap_addr(tx_buf, mapping),
5383 skb_headlen(skb),
5384 PCI_DMA_TODEVICE);
5385
5386 tx_buf->skb = NULL;
5387
5388 last = tx_buf->nr_frags;
5389 j++;
5390 for (k = 0; k < last; k++, j++) {
5391 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5392 dma_unmap_page(&bp->pdev->dev,
5393 dma_unmap_addr(tx_buf, mapping),
5394 skb_frag_size(&skb_shinfo(skb)->frags[k]),
5395 PCI_DMA_TODEVICE);
5396 }
5397 dev_kfree_skb(skb);
5398 }
5399 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
5400 }
5401 }
5402
5403 static void
5404 bnx2_free_rx_skbs(struct bnx2 *bp)
5405 {
5406 int i;
5407
5408 for (i = 0; i < bp->num_rx_rings; i++) {
5409 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5410 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5411 int j;
5412
5413 if (rxr->rx_buf_ring == NULL)
5414 return;
5415
5416 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5417 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5418 u8 *data = rx_buf->data;
5419
5420 if (data == NULL)
5421 continue;
5422
5423 dma_unmap_single(&bp->pdev->dev,
5424 dma_unmap_addr(rx_buf, mapping),
5425 bp->rx_buf_use_size,
5426 PCI_DMA_FROMDEVICE);
5427
5428 rx_buf->data = NULL;
5429
5430 kfree(data);
5431 }
5432 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5433 bnx2_free_rx_page(bp, rxr, j);
5434 }
5435 }
5436
5437 static void
5438 bnx2_free_skbs(struct bnx2 *bp)
5439 {
5440 bnx2_free_tx_skbs(bp);
5441 bnx2_free_rx_skbs(bp);
5442 }
5443
5444 static int
5445 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5446 {
5447 int rc;
5448
5449 rc = bnx2_reset_chip(bp, reset_code);
5450 bnx2_free_skbs(bp);
5451 if (rc)
5452 return rc;
5453
5454 if ((rc = bnx2_init_chip(bp)) != 0)
5455 return rc;
5456
5457 bnx2_init_all_rings(bp);
5458 return 0;
5459 }
5460
5461 static int
5462 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5463 {
5464 int rc;
5465
5466 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5467 return rc;
5468
5469 spin_lock_bh(&bp->phy_lock);
5470 bnx2_init_phy(bp, reset_phy);
5471 bnx2_set_link(bp);
5472 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5473 bnx2_remote_phy_event(bp);
5474 spin_unlock_bh(&bp->phy_lock);
5475 return 0;
5476 }
5477
5478 static int
5479 bnx2_shutdown_chip(struct bnx2 *bp)
5480 {
5481 u32 reset_code;
5482
5483 if (bp->flags & BNX2_FLAG_NO_WOL)
5484 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5485 else if (bp->wol)
5486 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5487 else
5488 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5489
5490 return bnx2_reset_chip(bp, reset_code);
5491 }
5492
5493 static int
5494 bnx2_test_registers(struct bnx2 *bp)
5495 {
5496 int ret;
5497 int i, is_5709;
5498 static const struct {
5499 u16 offset;
5500 u16 flags;
5501 #define BNX2_FL_NOT_5709 1
5502 u32 rw_mask;
5503 u32 ro_mask;
5504 } reg_tbl[] = {
5505 { 0x006c, 0, 0x00000000, 0x0000003f },
5506 { 0x0090, 0, 0xffffffff, 0x00000000 },
5507 { 0x0094, 0, 0x00000000, 0x00000000 },
5508
5509 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5510 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5511 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5512 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5513 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5514 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5515 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5516 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5517 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5518
5519 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5520 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5521 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5522 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5523 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5524 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5525
5526 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5527 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5528 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
5529
5530 { 0x1000, 0, 0x00000000, 0x00000001 },
5531 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5532
5533 { 0x1408, 0, 0x01c00800, 0x00000000 },
5534 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5535 { 0x14a8, 0, 0x00000000, 0x000001ff },
5536 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5537 { 0x14b0, 0, 0x00000002, 0x00000001 },
5538 { 0x14b8, 0, 0x00000000, 0x00000000 },
5539 { 0x14c0, 0, 0x00000000, 0x00000009 },
5540 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5541 { 0x14cc, 0, 0x00000000, 0x00000001 },
5542 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5543
5544 { 0x1800, 0, 0x00000000, 0x00000001 },
5545 { 0x1804, 0, 0x00000000, 0x00000003 },
5546
5547 { 0x2800, 0, 0x00000000, 0x00000001 },
5548 { 0x2804, 0, 0x00000000, 0x00003f01 },
5549 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5550 { 0x2810, 0, 0xffff0000, 0x00000000 },
5551 { 0x2814, 0, 0xffff0000, 0x00000000 },
5552 { 0x2818, 0, 0xffff0000, 0x00000000 },
5553 { 0x281c, 0, 0xffff0000, 0x00000000 },
5554 { 0x2834, 0, 0xffffffff, 0x00000000 },
5555 { 0x2840, 0, 0x00000000, 0xffffffff },
5556 { 0x2844, 0, 0x00000000, 0xffffffff },
5557 { 0x2848, 0, 0xffffffff, 0x00000000 },
5558 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5559
5560 { 0x2c00, 0, 0x00000000, 0x00000011 },
5561 { 0x2c04, 0, 0x00000000, 0x00030007 },
5562
5563 { 0x3c00, 0, 0x00000000, 0x00000001 },
5564 { 0x3c04, 0, 0x00000000, 0x00070000 },
5565 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5566 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5567 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5568 { 0x3c14, 0, 0x00000000, 0xffffffff },
5569 { 0x3c18, 0, 0x00000000, 0xffffffff },
5570 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5571 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5572
5573 { 0x5004, 0, 0x00000000, 0x0000007f },
5574 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5575
5576 { 0x5c00, 0, 0x00000000, 0x00000001 },
5577 { 0x5c04, 0, 0x00000000, 0x0003000f },
5578 { 0x5c08, 0, 0x00000003, 0x00000000 },
5579 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5580 { 0x5c10, 0, 0x00000000, 0xffffffff },
5581 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5582 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5583 { 0x5c88, 0, 0x00000000, 0x00077373 },
5584 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5585
5586 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5587 { 0x680c, 0, 0xffffffff, 0x00000000 },
5588 { 0x6810, 0, 0xffffffff, 0x00000000 },
5589 { 0x6814, 0, 0xffffffff, 0x00000000 },
5590 { 0x6818, 0, 0xffffffff, 0x00000000 },
5591 { 0x681c, 0, 0xffffffff, 0x00000000 },
5592 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5593 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5594 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5595 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5596 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5597 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5598 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5599 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5600 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5601 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5602 { 0x684c, 0, 0xffffffff, 0x00000000 },
5603 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5604 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5605 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5606 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5607 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5608 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5609
5610 { 0xffff, 0, 0x00000000, 0x00000000 },
5611 };
5612
5613 ret = 0;
5614 is_5709 = 0;
5615 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5616 is_5709 = 1;
5617
5618 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5619 u32 offset, rw_mask, ro_mask, save_val, val;
5620 u16 flags = reg_tbl[i].flags;
5621
5622 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5623 continue;
5624
5625 offset = (u32) reg_tbl[i].offset;
5626 rw_mask = reg_tbl[i].rw_mask;
5627 ro_mask = reg_tbl[i].ro_mask;
5628
5629 save_val = readl(bp->regview + offset);
5630
5631 writel(0, bp->regview + offset);
5632
5633 val = readl(bp->regview + offset);
5634 if ((val & rw_mask) != 0) {
5635 goto reg_test_err;
5636 }
5637
5638 if ((val & ro_mask) != (save_val & ro_mask)) {
5639 goto reg_test_err;
5640 }
5641
5642 writel(0xffffffff, bp->regview + offset);
5643
5644 val = readl(bp->regview + offset);
5645 if ((val & rw_mask) != rw_mask) {
5646 goto reg_test_err;
5647 }
5648
5649 if ((val & ro_mask) != (save_val & ro_mask)) {
5650 goto reg_test_err;
5651 }
5652
5653 writel(save_val, bp->regview + offset);
5654 continue;
5655
5656 reg_test_err:
5657 writel(save_val, bp->regview + offset);
5658 ret = -ENODEV;
5659 break;
5660 }
5661 return ret;
5662 }
5663
5664 static int
5665 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5666 {
5667 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5668 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5669 int i;
5670
5671 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5672 u32 offset;
5673
5674 for (offset = 0; offset < size; offset += 4) {
5675
5676 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5677
5678 if (bnx2_reg_rd_ind(bp, start + offset) !=
5679 test_pattern[i]) {
5680 return -ENODEV;
5681 }
5682 }
5683 }
5684 return 0;
5685 }
5686
5687 static int
5688 bnx2_test_memory(struct bnx2 *bp)
5689 {
5690 int ret = 0;
5691 int i;
5692 static struct mem_entry {
5693 u32 offset;
5694 u32 len;
5695 } mem_tbl_5706[] = {
5696 { 0x60000, 0x4000 },
5697 { 0xa0000, 0x3000 },
5698 { 0xe0000, 0x4000 },
5699 { 0x120000, 0x4000 },
5700 { 0x1a0000, 0x4000 },
5701 { 0x160000, 0x4000 },
5702 { 0xffffffff, 0 },
5703 },
5704 mem_tbl_5709[] = {
5705 { 0x60000, 0x4000 },
5706 { 0xa0000, 0x3000 },
5707 { 0xe0000, 0x4000 },
5708 { 0x120000, 0x4000 },
5709 { 0x1a0000, 0x4000 },
5710 { 0xffffffff, 0 },
5711 };
5712 struct mem_entry *mem_tbl;
5713
5714 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5715 mem_tbl = mem_tbl_5709;
5716 else
5717 mem_tbl = mem_tbl_5706;
5718
5719 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5720 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5721 mem_tbl[i].len)) != 0) {
5722 return ret;
5723 }
5724 }
5725
5726 return ret;
5727 }
5728
5729 #define BNX2_MAC_LOOPBACK 0
5730 #define BNX2_PHY_LOOPBACK 1
5731
5732 static int
5733 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5734 {
5735 unsigned int pkt_size, num_pkts, i;
5736 struct sk_buff *skb;
5737 u8 *data;
5738 unsigned char *packet;
5739 u16 rx_start_idx, rx_idx;
5740 dma_addr_t map;
5741 struct tx_bd *txbd;
5742 struct sw_bd *rx_buf;
5743 struct l2_fhdr *rx_hdr;
5744 int ret = -ENODEV;
5745 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5746 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5747 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5748
5749 tx_napi = bnapi;
5750
5751 txr = &tx_napi->tx_ring;
5752 rxr = &bnapi->rx_ring;
5753 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5754 bp->loopback = MAC_LOOPBACK;
5755 bnx2_set_mac_loopback(bp);
5756 }
5757 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5758 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5759 return 0;
5760
5761 bp->loopback = PHY_LOOPBACK;
5762 bnx2_set_phy_loopback(bp);
5763 }
5764 else
5765 return -EINVAL;
5766
5767 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5768 skb = netdev_alloc_skb(bp->dev, pkt_size);
5769 if (!skb)
5770 return -ENOMEM;
5771 packet = skb_put(skb, pkt_size);
5772 memcpy(packet, bp->dev->dev_addr, 6);
5773 memset(packet + 6, 0x0, 8);
5774 for (i = 14; i < pkt_size; i++)
5775 packet[i] = (unsigned char) (i & 0xff);
5776
5777 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5778 PCI_DMA_TODEVICE);
5779 if (dma_mapping_error(&bp->pdev->dev, map)) {
5780 dev_kfree_skb(skb);
5781 return -EIO;
5782 }
5783
5784 REG_WR(bp, BNX2_HC_COMMAND,
5785 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5786
5787 REG_RD(bp, BNX2_HC_COMMAND);
5788
5789 udelay(5);
5790 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5791
5792 num_pkts = 0;
5793
5794 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5795
5796 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5797 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5798 txbd->tx_bd_mss_nbytes = pkt_size;
5799 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5800
5801 num_pkts++;
5802 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5803 txr->tx_prod_bseq += pkt_size;
5804
5805 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5806 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5807
5808 udelay(100);
5809
5810 REG_WR(bp, BNX2_HC_COMMAND,
5811 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5812
5813 REG_RD(bp, BNX2_HC_COMMAND);
5814
5815 udelay(5);
5816
5817 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
5818 dev_kfree_skb(skb);
5819
5820 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5821 goto loopback_test_done;
5822
5823 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5824 if (rx_idx != rx_start_idx + num_pkts) {
5825 goto loopback_test_done;
5826 }
5827
5828 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5829 data = rx_buf->data;
5830
5831 rx_hdr = get_l2_fhdr(data);
5832 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
5833
5834 dma_sync_single_for_cpu(&bp->pdev->dev,
5835 dma_unmap_addr(rx_buf, mapping),
5836 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
5837
5838 if (rx_hdr->l2_fhdr_status &
5839 (L2_FHDR_ERRORS_BAD_CRC |
5840 L2_FHDR_ERRORS_PHY_DECODE |
5841 L2_FHDR_ERRORS_ALIGNMENT |
5842 L2_FHDR_ERRORS_TOO_SHORT |
5843 L2_FHDR_ERRORS_GIANT_FRAME)) {
5844
5845 goto loopback_test_done;
5846 }
5847
5848 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5849 goto loopback_test_done;
5850 }
5851
5852 for (i = 14; i < pkt_size; i++) {
5853 if (*(data + i) != (unsigned char) (i & 0xff)) {
5854 goto loopback_test_done;
5855 }
5856 }
5857
5858 ret = 0;
5859
5860 loopback_test_done:
5861 bp->loopback = 0;
5862 return ret;
5863 }
5864
5865 #define BNX2_MAC_LOOPBACK_FAILED 1
5866 #define BNX2_PHY_LOOPBACK_FAILED 2
5867 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5868 BNX2_PHY_LOOPBACK_FAILED)
5869
5870 static int
5871 bnx2_test_loopback(struct bnx2 *bp)
5872 {
5873 int rc = 0;
5874
5875 if (!netif_running(bp->dev))
5876 return BNX2_LOOPBACK_FAILED;
5877
5878 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5879 spin_lock_bh(&bp->phy_lock);
5880 bnx2_init_phy(bp, 1);
5881 spin_unlock_bh(&bp->phy_lock);
5882 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5883 rc |= BNX2_MAC_LOOPBACK_FAILED;
5884 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5885 rc |= BNX2_PHY_LOOPBACK_FAILED;
5886 return rc;
5887 }
5888
5889 #define NVRAM_SIZE 0x200
5890 #define CRC32_RESIDUAL 0xdebb20e3
5891
5892 static int
5893 bnx2_test_nvram(struct bnx2 *bp)
5894 {
5895 __be32 buf[NVRAM_SIZE / 4];
5896 u8 *data = (u8 *) buf;
5897 int rc = 0;
5898 u32 magic, csum;
5899
5900 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5901 goto test_nvram_done;
5902
5903 magic = be32_to_cpu(buf[0]);
5904 if (magic != 0x669955aa) {
5905 rc = -ENODEV;
5906 goto test_nvram_done;
5907 }
5908
5909 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5910 goto test_nvram_done;
5911
5912 csum = ether_crc_le(0x100, data);
5913 if (csum != CRC32_RESIDUAL) {
5914 rc = -ENODEV;
5915 goto test_nvram_done;
5916 }
5917
5918 csum = ether_crc_le(0x100, data + 0x100);
5919 if (csum != CRC32_RESIDUAL) {
5920 rc = -ENODEV;
5921 }
5922
5923 test_nvram_done:
5924 return rc;
5925 }
5926
5927 static int
5928 bnx2_test_link(struct bnx2 *bp)
5929 {
5930 u32 bmsr;
5931
5932 if (!netif_running(bp->dev))
5933 return -ENODEV;
5934
5935 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5936 if (bp->link_up)
5937 return 0;
5938 return -ENODEV;
5939 }
5940 spin_lock_bh(&bp->phy_lock);
5941 bnx2_enable_bmsr1(bp);
5942 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5943 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5944 bnx2_disable_bmsr1(bp);
5945 spin_unlock_bh(&bp->phy_lock);
5946
5947 if (bmsr & BMSR_LSTATUS) {
5948 return 0;
5949 }
5950 return -ENODEV;
5951 }
5952
5953 static int
5954 bnx2_test_intr(struct bnx2 *bp)
5955 {
5956 int i;
5957 u16 status_idx;
5958
5959 if (!netif_running(bp->dev))
5960 return -ENODEV;
5961
5962 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5963
5964 /* This register is not touched during run-time. */
5965 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5966 REG_RD(bp, BNX2_HC_COMMAND);
5967
5968 for (i = 0; i < 10; i++) {
5969 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5970 status_idx) {
5971
5972 break;
5973 }
5974
5975 msleep_interruptible(10);
5976 }
5977 if (i < 10)
5978 return 0;
5979
5980 return -ENODEV;
5981 }
5982
5983 /* Determining link for parallel detection. */
5984 static int
5985 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5986 {
5987 u32 mode_ctl, an_dbg, exp;
5988
5989 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5990 return 0;
5991
5992 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5993 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5994
5995 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5996 return 0;
5997
5998 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5999 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6000 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6001
6002 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
6003 return 0;
6004
6005 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6006 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6007 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6008
6009 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6010 return 0;
6011
6012 return 1;
6013 }
6014
6015 static void
6016 bnx2_5706_serdes_timer(struct bnx2 *bp)
6017 {
6018 int check_link = 1;
6019
6020 spin_lock(&bp->phy_lock);
6021 if (bp->serdes_an_pending) {
6022 bp->serdes_an_pending--;
6023 check_link = 0;
6024 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6025 u32 bmcr;
6026
6027 bp->current_interval = BNX2_TIMER_INTERVAL;
6028
6029 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6030
6031 if (bmcr & BMCR_ANENABLE) {
6032 if (bnx2_5706_serdes_has_link(bp)) {
6033 bmcr &= ~BMCR_ANENABLE;
6034 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
6035 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
6036 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
6037 }
6038 }
6039 }
6040 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
6041 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
6042 u32 phy2;
6043
6044 bnx2_write_phy(bp, 0x17, 0x0f01);
6045 bnx2_read_phy(bp, 0x15, &phy2);
6046 if (phy2 & 0x20) {
6047 u32 bmcr;
6048
6049 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6050 bmcr |= BMCR_ANENABLE;
6051 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
6052
6053 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
6054 }
6055 } else
6056 bp->current_interval = BNX2_TIMER_INTERVAL;
6057
6058 if (check_link) {
6059 u32 val;
6060
6061 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6062 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6063 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6064
6065 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6066 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6067 bnx2_5706s_force_link_dn(bp, 1);
6068 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6069 } else
6070 bnx2_set_link(bp);
6071 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6072 bnx2_set_link(bp);
6073 }
6074 spin_unlock(&bp->phy_lock);
6075 }
6076
6077 static void
6078 bnx2_5708_serdes_timer(struct bnx2 *bp)
6079 {
6080 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6081 return;
6082
6083 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
6084 bp->serdes_an_pending = 0;
6085 return;
6086 }
6087
6088 spin_lock(&bp->phy_lock);
6089 if (bp->serdes_an_pending)
6090 bp->serdes_an_pending--;
6091 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6092 u32 bmcr;
6093
6094 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6095 if (bmcr & BMCR_ANENABLE) {
6096 bnx2_enable_forced_2g5(bp);
6097 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
6098 } else {
6099 bnx2_disable_forced_2g5(bp);
6100 bp->serdes_an_pending = 2;
6101 bp->current_interval = BNX2_TIMER_INTERVAL;
6102 }
6103
6104 } else
6105 bp->current_interval = BNX2_TIMER_INTERVAL;
6106
6107 spin_unlock(&bp->phy_lock);
6108 }
6109
6110 static void
6111 bnx2_timer(unsigned long data)
6112 {
6113 struct bnx2 *bp = (struct bnx2 *) data;
6114
6115 if (!netif_running(bp->dev))
6116 return;
6117
6118 if (atomic_read(&bp->intr_sem) != 0)
6119 goto bnx2_restart_timer;
6120
6121 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6122 BNX2_FLAG_USING_MSI)
6123 bnx2_chk_missed_msi(bp);
6124
6125 bnx2_send_heart_beat(bp);
6126
6127 bp->stats_blk->stat_FwRxDrop =
6128 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6129
6130 /* workaround occasional corrupted counters */
6131 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
6132 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6133 BNX2_HC_COMMAND_STATS_NOW);
6134
6135 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6136 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6137 bnx2_5706_serdes_timer(bp);
6138 else
6139 bnx2_5708_serdes_timer(bp);
6140 }
6141
6142 bnx2_restart_timer:
6143 mod_timer(&bp->timer, jiffies + bp->current_interval);
6144 }
6145
6146 static int
6147 bnx2_request_irq(struct bnx2 *bp)
6148 {
6149 unsigned long flags;
6150 struct bnx2_irq *irq;
6151 int rc = 0, i;
6152
6153 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6154 flags = 0;
6155 else
6156 flags = IRQF_SHARED;
6157
6158 for (i = 0; i < bp->irq_nvecs; i++) {
6159 irq = &bp->irq_tbl[i];
6160 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6161 &bp->bnx2_napi[i]);
6162 if (rc)
6163 break;
6164 irq->requested = 1;
6165 }
6166 return rc;
6167 }
6168
6169 static void
6170 __bnx2_free_irq(struct bnx2 *bp)
6171 {
6172 struct bnx2_irq *irq;
6173 int i;
6174
6175 for (i = 0; i < bp->irq_nvecs; i++) {
6176 irq = &bp->irq_tbl[i];
6177 if (irq->requested)
6178 free_irq(irq->vector, &bp->bnx2_napi[i]);
6179 irq->requested = 0;
6180 }
6181 }
6182
6183 static void
6184 bnx2_free_irq(struct bnx2 *bp)
6185 {
6186
6187 __bnx2_free_irq(bp);
6188 if (bp->flags & BNX2_FLAG_USING_MSI)
6189 pci_disable_msi(bp->pdev);
6190 else if (bp->flags & BNX2_FLAG_USING_MSIX)
6191 pci_disable_msix(bp->pdev);
6192
6193 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6194 }
6195
6196 static void
6197 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6198 {
6199 int i, total_vecs, rc;
6200 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
6201 struct net_device *dev = bp->dev;
6202 const int len = sizeof(bp->irq_tbl[0].name);
6203
6204 bnx2_setup_msix_tbl(bp);
6205 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6206 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6207 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
6208
6209 /* Need to flush the previous three writes to ensure MSI-X
6210 * is setup properly */
6211 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6212
6213 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6214 msix_ent[i].entry = i;
6215 msix_ent[i].vector = 0;
6216 }
6217
6218 total_vecs = msix_vecs;
6219 #ifdef BCM_CNIC
6220 total_vecs++;
6221 #endif
6222 rc = -ENOSPC;
6223 while (total_vecs >= BNX2_MIN_MSIX_VEC) {
6224 rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
6225 if (rc <= 0)
6226 break;
6227 if (rc > 0)
6228 total_vecs = rc;
6229 }
6230
6231 if (rc != 0)
6232 return;
6233
6234 msix_vecs = total_vecs;
6235 #ifdef BCM_CNIC
6236 msix_vecs--;
6237 #endif
6238 bp->irq_nvecs = msix_vecs;
6239 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6240 for (i = 0; i < total_vecs; i++) {
6241 bp->irq_tbl[i].vector = msix_ent[i].vector;
6242 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6243 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6244 }
6245 }
6246
6247 static int
6248 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6249 {
6250 int cpus = num_online_cpus();
6251 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
6252
6253 bp->irq_tbl[0].handler = bnx2_interrupt;
6254 strcpy(bp->irq_tbl[0].name, bp->dev->name);
6255 bp->irq_nvecs = 1;
6256 bp->irq_tbl[0].vector = bp->pdev->irq;
6257
6258 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
6259 bnx2_enable_msix(bp, msix_vecs);
6260
6261 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6262 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6263 if (pci_enable_msi(bp->pdev) == 0) {
6264 bp->flags |= BNX2_FLAG_USING_MSI;
6265 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6266 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6267 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6268 } else
6269 bp->irq_tbl[0].handler = bnx2_msi;
6270
6271 bp->irq_tbl[0].vector = bp->pdev->irq;
6272 }
6273 }
6274
6275 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6276 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
6277
6278 bp->num_rx_rings = bp->irq_nvecs;
6279 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
6280 }
6281
6282 /* Called with rtnl_lock */
6283 static int
6284 bnx2_open(struct net_device *dev)
6285 {
6286 struct bnx2 *bp = netdev_priv(dev);
6287 int rc;
6288
6289 rc = bnx2_request_firmware(bp);
6290 if (rc < 0)
6291 goto out;
6292
6293 netif_carrier_off(dev);
6294
6295 bnx2_set_power_state(bp, PCI_D0);
6296 bnx2_disable_int(bp);
6297
6298 rc = bnx2_setup_int_mode(bp, disable_msi);
6299 if (rc)
6300 goto open_err;
6301 bnx2_init_napi(bp);
6302 bnx2_napi_enable(bp);
6303 rc = bnx2_alloc_mem(bp);
6304 if (rc)
6305 goto open_err;
6306
6307 rc = bnx2_request_irq(bp);
6308 if (rc)
6309 goto open_err;
6310
6311 rc = bnx2_init_nic(bp, 1);
6312 if (rc)
6313 goto open_err;
6314
6315 mod_timer(&bp->timer, jiffies + bp->current_interval);
6316
6317 atomic_set(&bp->intr_sem, 0);
6318
6319 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6320
6321 bnx2_enable_int(bp);
6322
6323 if (bp->flags & BNX2_FLAG_USING_MSI) {
6324 /* Test MSI to make sure it is working
6325 * If MSI test fails, go back to INTx mode
6326 */
6327 if (bnx2_test_intr(bp) != 0) {
6328 netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
6329
6330 bnx2_disable_int(bp);
6331 bnx2_free_irq(bp);
6332
6333 bnx2_setup_int_mode(bp, 1);
6334
6335 rc = bnx2_init_nic(bp, 0);
6336
6337 if (!rc)
6338 rc = bnx2_request_irq(bp);
6339
6340 if (rc) {
6341 del_timer_sync(&bp->timer);
6342 goto open_err;
6343 }
6344 bnx2_enable_int(bp);
6345 }
6346 }
6347 if (bp->flags & BNX2_FLAG_USING_MSI)
6348 netdev_info(dev, "using MSI\n");
6349 else if (bp->flags & BNX2_FLAG_USING_MSIX)
6350 netdev_info(dev, "using MSIX\n");
6351
6352 netif_tx_start_all_queues(dev);
6353 out:
6354 return rc;
6355
6356 open_err:
6357 bnx2_napi_disable(bp);
6358 bnx2_free_skbs(bp);
6359 bnx2_free_irq(bp);
6360 bnx2_free_mem(bp);
6361 bnx2_del_napi(bp);
6362 bnx2_release_firmware(bp);
6363 goto out;
6364 }
6365
6366 static void
6367 bnx2_reset_task(struct work_struct *work)
6368 {
6369 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6370 int rc;
6371
6372 rtnl_lock();
6373 if (!netif_running(bp->dev)) {
6374 rtnl_unlock();
6375 return;
6376 }
6377
6378 bnx2_netif_stop(bp, true);
6379
6380 rc = bnx2_init_nic(bp, 1);
6381 if (rc) {
6382 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6383 bnx2_napi_enable(bp);
6384 dev_close(bp->dev);
6385 rtnl_unlock();
6386 return;
6387 }
6388
6389 atomic_set(&bp->intr_sem, 1);
6390 bnx2_netif_start(bp, true);
6391 rtnl_unlock();
6392 }
6393
6394 static void
6395 bnx2_dump_state(struct bnx2 *bp)
6396 {
6397 struct net_device *dev = bp->dev;
6398 u32 val1, val2;
6399
6400 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6401 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6402 atomic_read(&bp->intr_sem), val1);
6403 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6404 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6405 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
6406 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
6407 REG_RD(bp, BNX2_EMAC_TX_STATUS),
6408 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6409 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
6410 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6411 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6412 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
6413 if (bp->flags & BNX2_FLAG_USING_MSIX)
6414 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6415 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
6416 }
6417
6418 static void
6419 bnx2_tx_timeout(struct net_device *dev)
6420 {
6421 struct bnx2 *bp = netdev_priv(dev);
6422
6423 bnx2_dump_state(bp);
6424 bnx2_dump_mcp_state(bp);
6425
6426 /* This allows the netif to be shutdown gracefully before resetting */
6427 schedule_work(&bp->reset_task);
6428 }
6429
6430 /* Called with netif_tx_lock.
6431 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6432 * netif_wake_queue().
6433 */
6434 static netdev_tx_t
6435 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6436 {
6437 struct bnx2 *bp = netdev_priv(dev);
6438 dma_addr_t mapping;
6439 struct tx_bd *txbd;
6440 struct sw_tx_bd *tx_buf;
6441 u32 len, vlan_tag_flags, last_frag, mss;
6442 u16 prod, ring_prod;
6443 int i;
6444 struct bnx2_napi *bnapi;
6445 struct bnx2_tx_ring_info *txr;
6446 struct netdev_queue *txq;
6447
6448 /* Determine which tx ring we will be placed on */
6449 i = skb_get_queue_mapping(skb);
6450 bnapi = &bp->bnx2_napi[i];
6451 txr = &bnapi->tx_ring;
6452 txq = netdev_get_tx_queue(dev, i);
6453
6454 if (unlikely(bnx2_tx_avail(bp, txr) <
6455 (skb_shinfo(skb)->nr_frags + 1))) {
6456 netif_tx_stop_queue(txq);
6457 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
6458
6459 return NETDEV_TX_BUSY;
6460 }
6461 len = skb_headlen(skb);
6462 prod = txr->tx_prod;
6463 ring_prod = TX_RING_IDX(prod);
6464
6465 vlan_tag_flags = 0;
6466 if (skb->ip_summed == CHECKSUM_PARTIAL) {
6467 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6468 }
6469
6470 if (vlan_tx_tag_present(skb)) {
6471 vlan_tag_flags |=
6472 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6473 }
6474
6475 if ((mss = skb_shinfo(skb)->gso_size)) {
6476 u32 tcp_opt_len;
6477 struct iphdr *iph;
6478
6479 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6480
6481 tcp_opt_len = tcp_optlen(skb);
6482
6483 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6484 u32 tcp_off = skb_transport_offset(skb) -
6485 sizeof(struct ipv6hdr) - ETH_HLEN;
6486
6487 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6488 TX_BD_FLAGS_SW_FLAGS;
6489 if (likely(tcp_off == 0))
6490 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6491 else {
6492 tcp_off >>= 3;
6493 vlan_tag_flags |= ((tcp_off & 0x3) <<
6494 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6495 ((tcp_off & 0x10) <<
6496 TX_BD_FLAGS_TCP6_OFF4_SHL);
6497 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6498 }
6499 } else {
6500 iph = ip_hdr(skb);
6501 if (tcp_opt_len || (iph->ihl > 5)) {
6502 vlan_tag_flags |= ((iph->ihl - 5) +
6503 (tcp_opt_len >> 2)) << 8;
6504 }
6505 }
6506 } else
6507 mss = 0;
6508
6509 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6510 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
6511 dev_kfree_skb(skb);
6512 return NETDEV_TX_OK;
6513 }
6514
6515 tx_buf = &txr->tx_buf_ring[ring_prod];
6516 tx_buf->skb = skb;
6517 dma_unmap_addr_set(tx_buf, mapping, mapping);
6518
6519 txbd = &txr->tx_desc_ring[ring_prod];
6520
6521 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6522 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6523 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6524 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6525
6526 last_frag = skb_shinfo(skb)->nr_frags;
6527 tx_buf->nr_frags = last_frag;
6528 tx_buf->is_gso = skb_is_gso(skb);
6529
6530 for (i = 0; i < last_frag; i++) {
6531 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6532
6533 prod = NEXT_TX_BD(prod);
6534 ring_prod = TX_RING_IDX(prod);
6535 txbd = &txr->tx_desc_ring[ring_prod];
6536
6537 len = skb_frag_size(frag);
6538 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
6539 DMA_TO_DEVICE);
6540 if (dma_mapping_error(&bp->pdev->dev, mapping))
6541 goto dma_error;
6542 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
6543 mapping);
6544
6545 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6546 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6547 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6548 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6549
6550 }
6551 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6552
6553 netdev_tx_sent_queue(txq, skb->len);
6554
6555 prod = NEXT_TX_BD(prod);
6556 txr->tx_prod_bseq += skb->len;
6557
6558 REG_WR16(bp, txr->tx_bidx_addr, prod);
6559 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6560
6561 mmiowb();
6562
6563 txr->tx_prod = prod;
6564
6565 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6566 netif_tx_stop_queue(txq);
6567
6568 /* netif_tx_stop_queue() must be done before checking
6569 * tx index in bnx2_tx_avail() below, because in
6570 * bnx2_tx_int(), we update tx index before checking for
6571 * netif_tx_queue_stopped().
6572 */
6573 smp_mb();
6574 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6575 netif_tx_wake_queue(txq);
6576 }
6577
6578 return NETDEV_TX_OK;
6579 dma_error:
6580 /* save value of frag that failed */
6581 last_frag = i;
6582
6583 /* start back at beginning and unmap skb */
6584 prod = txr->tx_prod;
6585 ring_prod = TX_RING_IDX(prod);
6586 tx_buf = &txr->tx_buf_ring[ring_prod];
6587 tx_buf->skb = NULL;
6588 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
6589 skb_headlen(skb), PCI_DMA_TODEVICE);
6590
6591 /* unmap remaining mapped pages */
6592 for (i = 0; i < last_frag; i++) {
6593 prod = NEXT_TX_BD(prod);
6594 ring_prod = TX_RING_IDX(prod);
6595 tx_buf = &txr->tx_buf_ring[ring_prod];
6596 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
6597 skb_frag_size(&skb_shinfo(skb)->frags[i]),
6598 PCI_DMA_TODEVICE);
6599 }
6600
6601 dev_kfree_skb(skb);
6602 return NETDEV_TX_OK;
6603 }
6604
6605 /* Called with rtnl_lock */
6606 static int
6607 bnx2_close(struct net_device *dev)
6608 {
6609 struct bnx2 *bp = netdev_priv(dev);
6610
6611 bnx2_disable_int_sync(bp);
6612 bnx2_napi_disable(bp);
6613 del_timer_sync(&bp->timer);
6614 bnx2_shutdown_chip(bp);
6615 bnx2_free_irq(bp);
6616 bnx2_free_skbs(bp);
6617 bnx2_free_mem(bp);
6618 bnx2_del_napi(bp);
6619 bp->link_up = 0;
6620 netif_carrier_off(bp->dev);
6621 bnx2_set_power_state(bp, PCI_D3hot);
6622 return 0;
6623 }
6624
6625 static void
6626 bnx2_save_stats(struct bnx2 *bp)
6627 {
6628 u32 *hw_stats = (u32 *) bp->stats_blk;
6629 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6630 int i;
6631
6632 /* The 1st 10 counters are 64-bit counters */
6633 for (i = 0; i < 20; i += 2) {
6634 u32 hi;
6635 u64 lo;
6636
6637 hi = temp_stats[i] + hw_stats[i];
6638 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
6639 if (lo > 0xffffffff)
6640 hi++;
6641 temp_stats[i] = hi;
6642 temp_stats[i + 1] = lo & 0xffffffff;
6643 }
6644
6645 for ( ; i < sizeof(struct statistics_block) / 4; i++)
6646 temp_stats[i] += hw_stats[i];
6647 }
6648
6649 #define GET_64BIT_NET_STATS64(ctr) \
6650 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
6651
6652 #define GET_64BIT_NET_STATS(ctr) \
6653 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6654 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
6655
6656 #define GET_32BIT_NET_STATS(ctr) \
6657 (unsigned long) (bp->stats_blk->ctr + \
6658 bp->temp_stats_blk->ctr)
6659
6660 static struct rtnl_link_stats64 *
6661 bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
6662 {
6663 struct bnx2 *bp = netdev_priv(dev);
6664
6665 if (bp->stats_blk == NULL)
6666 return net_stats;
6667
6668 net_stats->rx_packets =
6669 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6670 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6671 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
6672
6673 net_stats->tx_packets =
6674 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6675 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6676 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
6677
6678 net_stats->rx_bytes =
6679 GET_64BIT_NET_STATS(stat_IfHCInOctets);
6680
6681 net_stats->tx_bytes =
6682 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
6683
6684 net_stats->multicast =
6685 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
6686
6687 net_stats->collisions =
6688 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
6689
6690 net_stats->rx_length_errors =
6691 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6692 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
6693
6694 net_stats->rx_over_errors =
6695 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6696 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
6697
6698 net_stats->rx_frame_errors =
6699 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
6700
6701 net_stats->rx_crc_errors =
6702 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
6703
6704 net_stats->rx_errors = net_stats->rx_length_errors +
6705 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6706 net_stats->rx_crc_errors;
6707
6708 net_stats->tx_aborted_errors =
6709 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6710 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
6711
6712 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6713 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6714 net_stats->tx_carrier_errors = 0;
6715 else {
6716 net_stats->tx_carrier_errors =
6717 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
6718 }
6719
6720 net_stats->tx_errors =
6721 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
6722 net_stats->tx_aborted_errors +
6723 net_stats->tx_carrier_errors;
6724
6725 net_stats->rx_missed_errors =
6726 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6727 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6728 GET_32BIT_NET_STATS(stat_FwRxDrop);
6729
6730 return net_stats;
6731 }
6732
6733 /* All ethtool functions called with rtnl_lock */
6734
6735 static int
6736 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6737 {
6738 struct bnx2 *bp = netdev_priv(dev);
6739 int support_serdes = 0, support_copper = 0;
6740
6741 cmd->supported = SUPPORTED_Autoneg;
6742 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6743 support_serdes = 1;
6744 support_copper = 1;
6745 } else if (bp->phy_port == PORT_FIBRE)
6746 support_serdes = 1;
6747 else
6748 support_copper = 1;
6749
6750 if (support_serdes) {
6751 cmd->supported |= SUPPORTED_1000baseT_Full |
6752 SUPPORTED_FIBRE;
6753 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6754 cmd->supported |= SUPPORTED_2500baseX_Full;
6755
6756 }
6757 if (support_copper) {
6758 cmd->supported |= SUPPORTED_10baseT_Half |
6759 SUPPORTED_10baseT_Full |
6760 SUPPORTED_100baseT_Half |
6761 SUPPORTED_100baseT_Full |
6762 SUPPORTED_1000baseT_Full |
6763 SUPPORTED_TP;
6764
6765 }
6766
6767 spin_lock_bh(&bp->phy_lock);
6768 cmd->port = bp->phy_port;
6769 cmd->advertising = bp->advertising;
6770
6771 if (bp->autoneg & AUTONEG_SPEED) {
6772 cmd->autoneg = AUTONEG_ENABLE;
6773 } else {
6774 cmd->autoneg = AUTONEG_DISABLE;
6775 }
6776
6777 if (netif_carrier_ok(dev)) {
6778 ethtool_cmd_speed_set(cmd, bp->line_speed);
6779 cmd->duplex = bp->duplex;
6780 }
6781 else {
6782 ethtool_cmd_speed_set(cmd, -1);
6783 cmd->duplex = -1;
6784 }
6785 spin_unlock_bh(&bp->phy_lock);
6786
6787 cmd->transceiver = XCVR_INTERNAL;
6788 cmd->phy_address = bp->phy_addr;
6789
6790 return 0;
6791 }
6792
6793 static int
6794 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6795 {
6796 struct bnx2 *bp = netdev_priv(dev);
6797 u8 autoneg = bp->autoneg;
6798 u8 req_duplex = bp->req_duplex;
6799 u16 req_line_speed = bp->req_line_speed;
6800 u32 advertising = bp->advertising;
6801 int err = -EINVAL;
6802
6803 spin_lock_bh(&bp->phy_lock);
6804
6805 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6806 goto err_out_unlock;
6807
6808 if (cmd->port != bp->phy_port &&
6809 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6810 goto err_out_unlock;
6811
6812 /* If device is down, we can store the settings only if the user
6813 * is setting the currently active port.
6814 */
6815 if (!netif_running(dev) && cmd->port != bp->phy_port)
6816 goto err_out_unlock;
6817
6818 if (cmd->autoneg == AUTONEG_ENABLE) {
6819 autoneg |= AUTONEG_SPEED;
6820
6821 advertising = cmd->advertising;
6822 if (cmd->port == PORT_TP) {
6823 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6824 if (!advertising)
6825 advertising = ETHTOOL_ALL_COPPER_SPEED;
6826 } else {
6827 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6828 if (!advertising)
6829 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6830 }
6831 advertising |= ADVERTISED_Autoneg;
6832 }
6833 else {
6834 u32 speed = ethtool_cmd_speed(cmd);
6835 if (cmd->port == PORT_FIBRE) {
6836 if ((speed != SPEED_1000 &&
6837 speed != SPEED_2500) ||
6838 (cmd->duplex != DUPLEX_FULL))
6839 goto err_out_unlock;
6840
6841 if (speed == SPEED_2500 &&
6842 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6843 goto err_out_unlock;
6844 } else if (speed == SPEED_1000 || speed == SPEED_2500)
6845 goto err_out_unlock;
6846
6847 autoneg &= ~AUTONEG_SPEED;
6848 req_line_speed = speed;
6849 req_duplex = cmd->duplex;
6850 advertising = 0;
6851 }
6852
6853 bp->autoneg = autoneg;
6854 bp->advertising = advertising;
6855 bp->req_line_speed = req_line_speed;
6856 bp->req_duplex = req_duplex;
6857
6858 err = 0;
6859 /* If device is down, the new settings will be picked up when it is
6860 * brought up.
6861 */
6862 if (netif_running(dev))
6863 err = bnx2_setup_phy(bp, cmd->port);
6864
6865 err_out_unlock:
6866 spin_unlock_bh(&bp->phy_lock);
6867
6868 return err;
6869 }
6870
6871 static void
6872 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6873 {
6874 struct bnx2 *bp = netdev_priv(dev);
6875
6876 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
6877 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
6878 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
6879 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
6880 }
6881
6882 #define BNX2_REGDUMP_LEN (32 * 1024)
6883
6884 static int
6885 bnx2_get_regs_len(struct net_device *dev)
6886 {
6887 return BNX2_REGDUMP_LEN;
6888 }
6889
6890 static void
6891 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6892 {
6893 u32 *p = _p, i, offset;
6894 u8 *orig_p = _p;
6895 struct bnx2 *bp = netdev_priv(dev);
6896 static const u32 reg_boundaries[] = {
6897 0x0000, 0x0098, 0x0400, 0x045c,
6898 0x0800, 0x0880, 0x0c00, 0x0c10,
6899 0x0c30, 0x0d08, 0x1000, 0x101c,
6900 0x1040, 0x1048, 0x1080, 0x10a4,
6901 0x1400, 0x1490, 0x1498, 0x14f0,
6902 0x1500, 0x155c, 0x1580, 0x15dc,
6903 0x1600, 0x1658, 0x1680, 0x16d8,
6904 0x1800, 0x1820, 0x1840, 0x1854,
6905 0x1880, 0x1894, 0x1900, 0x1984,
6906 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6907 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6908 0x2000, 0x2030, 0x23c0, 0x2400,
6909 0x2800, 0x2820, 0x2830, 0x2850,
6910 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6911 0x3c00, 0x3c94, 0x4000, 0x4010,
6912 0x4080, 0x4090, 0x43c0, 0x4458,
6913 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6914 0x4fc0, 0x5010, 0x53c0, 0x5444,
6915 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6916 0x5fc0, 0x6000, 0x6400, 0x6428,
6917 0x6800, 0x6848, 0x684c, 0x6860,
6918 0x6888, 0x6910, 0x8000
6919 };
6920
6921 regs->version = 0;
6922
6923 memset(p, 0, BNX2_REGDUMP_LEN);
6924
6925 if (!netif_running(bp->dev))
6926 return;
6927
6928 i = 0;
6929 offset = reg_boundaries[0];
6930 p += offset;
6931 while (offset < BNX2_REGDUMP_LEN) {
6932 *p++ = REG_RD(bp, offset);
6933 offset += 4;
6934 if (offset == reg_boundaries[i + 1]) {
6935 offset = reg_boundaries[i + 2];
6936 p = (u32 *) (orig_p + offset);
6937 i += 2;
6938 }
6939 }
6940 }
6941
6942 static void
6943 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6944 {
6945 struct bnx2 *bp = netdev_priv(dev);
6946
6947 if (bp->flags & BNX2_FLAG_NO_WOL) {
6948 wol->supported = 0;
6949 wol->wolopts = 0;
6950 }
6951 else {
6952 wol->supported = WAKE_MAGIC;
6953 if (bp->wol)
6954 wol->wolopts = WAKE_MAGIC;
6955 else
6956 wol->wolopts = 0;
6957 }
6958 memset(&wol->sopass, 0, sizeof(wol->sopass));
6959 }
6960
6961 static int
6962 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6963 {
6964 struct bnx2 *bp = netdev_priv(dev);
6965
6966 if (wol->wolopts & ~WAKE_MAGIC)
6967 return -EINVAL;
6968
6969 if (wol->wolopts & WAKE_MAGIC) {
6970 if (bp->flags & BNX2_FLAG_NO_WOL)
6971 return -EINVAL;
6972
6973 bp->wol = 1;
6974 }
6975 else {
6976 bp->wol = 0;
6977 }
6978 return 0;
6979 }
6980
6981 static int
6982 bnx2_nway_reset(struct net_device *dev)
6983 {
6984 struct bnx2 *bp = netdev_priv(dev);
6985 u32 bmcr;
6986
6987 if (!netif_running(dev))
6988 return -EAGAIN;
6989
6990 if (!(bp->autoneg & AUTONEG_SPEED)) {
6991 return -EINVAL;
6992 }
6993
6994 spin_lock_bh(&bp->phy_lock);
6995
6996 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6997 int rc;
6998
6999 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7000 spin_unlock_bh(&bp->phy_lock);
7001 return rc;
7002 }
7003
7004 /* Force a link down visible on the other side */
7005 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7006 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
7007 spin_unlock_bh(&bp->phy_lock);
7008
7009 msleep(20);
7010
7011 spin_lock_bh(&bp->phy_lock);
7012
7013 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
7014 bp->serdes_an_pending = 1;
7015 mod_timer(&bp->timer, jiffies + bp->current_interval);
7016 }
7017
7018 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
7019 bmcr &= ~BMCR_LOOPBACK;
7020 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
7021
7022 spin_unlock_bh(&bp->phy_lock);
7023
7024 return 0;
7025 }
7026
7027 static u32
7028 bnx2_get_link(struct net_device *dev)
7029 {
7030 struct bnx2 *bp = netdev_priv(dev);
7031
7032 return bp->link_up;
7033 }
7034
7035 static int
7036 bnx2_get_eeprom_len(struct net_device *dev)
7037 {
7038 struct bnx2 *bp = netdev_priv(dev);
7039
7040 if (bp->flash_info == NULL)
7041 return 0;
7042
7043 return (int) bp->flash_size;
7044 }
7045
7046 static int
7047 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7048 u8 *eebuf)
7049 {
7050 struct bnx2 *bp = netdev_priv(dev);
7051 int rc;
7052
7053 if (!netif_running(dev))
7054 return -EAGAIN;
7055
7056 /* parameters already validated in ethtool_get_eeprom */
7057
7058 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7059
7060 return rc;
7061 }
7062
7063 static int
7064 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7065 u8 *eebuf)
7066 {
7067 struct bnx2 *bp = netdev_priv(dev);
7068 int rc;
7069
7070 if (!netif_running(dev))
7071 return -EAGAIN;
7072
7073 /* parameters already validated in ethtool_set_eeprom */
7074
7075 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7076
7077 return rc;
7078 }
7079
7080 static int
7081 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7082 {
7083 struct bnx2 *bp = netdev_priv(dev);
7084
7085 memset(coal, 0, sizeof(struct ethtool_coalesce));
7086
7087 coal->rx_coalesce_usecs = bp->rx_ticks;
7088 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7089 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7090 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7091
7092 coal->tx_coalesce_usecs = bp->tx_ticks;
7093 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7094 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7095 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7096
7097 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7098
7099 return 0;
7100 }
7101
7102 static int
7103 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7104 {
7105 struct bnx2 *bp = netdev_priv(dev);
7106
7107 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7108 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7109
7110 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
7111 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7112
7113 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7114 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7115
7116 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7117 if (bp->rx_quick_cons_trip_int > 0xff)
7118 bp->rx_quick_cons_trip_int = 0xff;
7119
7120 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7121 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7122
7123 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7124 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7125
7126 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7127 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7128
7129 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7130 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7131 0xff;
7132
7133 bp->stats_ticks = coal->stats_block_coalesce_usecs;
7134 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
7135 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7136 bp->stats_ticks = USEC_PER_SEC;
7137 }
7138 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7139 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7140 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7141
7142 if (netif_running(bp->dev)) {
7143 bnx2_netif_stop(bp, true);
7144 bnx2_init_nic(bp, 0);
7145 bnx2_netif_start(bp, true);
7146 }
7147
7148 return 0;
7149 }
7150
7151 static void
7152 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7153 {
7154 struct bnx2 *bp = netdev_priv(dev);
7155
7156 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
7157 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
7158
7159 ering->rx_pending = bp->rx_ring_size;
7160 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
7161
7162 ering->tx_max_pending = MAX_TX_DESC_CNT;
7163 ering->tx_pending = bp->tx_ring_size;
7164 }
7165
7166 static int
7167 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7168 {
7169 if (netif_running(bp->dev)) {
7170 /* Reset will erase chipset stats; save them */
7171 bnx2_save_stats(bp);
7172
7173 bnx2_netif_stop(bp, true);
7174 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7175 __bnx2_free_irq(bp);
7176 bnx2_free_skbs(bp);
7177 bnx2_free_mem(bp);
7178 }
7179
7180 bnx2_set_rx_ring_size(bp, rx);
7181 bp->tx_ring_size = tx;
7182
7183 if (netif_running(bp->dev)) {
7184 int rc;
7185
7186 rc = bnx2_alloc_mem(bp);
7187 if (!rc)
7188 rc = bnx2_request_irq(bp);
7189
7190 if (!rc)
7191 rc = bnx2_init_nic(bp, 0);
7192
7193 if (rc) {
7194 bnx2_napi_enable(bp);
7195 dev_close(bp->dev);
7196 return rc;
7197 }
7198 #ifdef BCM_CNIC
7199 mutex_lock(&bp->cnic_lock);
7200 /* Let cnic know about the new status block. */
7201 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7202 bnx2_setup_cnic_irq_info(bp);
7203 mutex_unlock(&bp->cnic_lock);
7204 #endif
7205 bnx2_netif_start(bp, true);
7206 }
7207 return 0;
7208 }
7209
7210 static int
7211 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7212 {
7213 struct bnx2 *bp = netdev_priv(dev);
7214 int rc;
7215
7216 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7217 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7218 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7219
7220 return -EINVAL;
7221 }
7222 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7223 return rc;
7224 }
7225
7226 static void
7227 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7228 {
7229 struct bnx2 *bp = netdev_priv(dev);
7230
7231 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7232 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7233 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7234 }
7235
7236 static int
7237 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7238 {
7239 struct bnx2 *bp = netdev_priv(dev);
7240
7241 bp->req_flow_ctrl = 0;
7242 if (epause->rx_pause)
7243 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7244 if (epause->tx_pause)
7245 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7246
7247 if (epause->autoneg) {
7248 bp->autoneg |= AUTONEG_FLOW_CTRL;
7249 }
7250 else {
7251 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7252 }
7253
7254 if (netif_running(dev)) {
7255 spin_lock_bh(&bp->phy_lock);
7256 bnx2_setup_phy(bp, bp->phy_port);
7257 spin_unlock_bh(&bp->phy_lock);
7258 }
7259
7260 return 0;
7261 }
7262
7263 static struct {
7264 char string[ETH_GSTRING_LEN];
7265 } bnx2_stats_str_arr[] = {
7266 { "rx_bytes" },
7267 { "rx_error_bytes" },
7268 { "tx_bytes" },
7269 { "tx_error_bytes" },
7270 { "rx_ucast_packets" },
7271 { "rx_mcast_packets" },
7272 { "rx_bcast_packets" },
7273 { "tx_ucast_packets" },
7274 { "tx_mcast_packets" },
7275 { "tx_bcast_packets" },
7276 { "tx_mac_errors" },
7277 { "tx_carrier_errors" },
7278 { "rx_crc_errors" },
7279 { "rx_align_errors" },
7280 { "tx_single_collisions" },
7281 { "tx_multi_collisions" },
7282 { "tx_deferred" },
7283 { "tx_excess_collisions" },
7284 { "tx_late_collisions" },
7285 { "tx_total_collisions" },
7286 { "rx_fragments" },
7287 { "rx_jabbers" },
7288 { "rx_undersize_packets" },
7289 { "rx_oversize_packets" },
7290 { "rx_64_byte_packets" },
7291 { "rx_65_to_127_byte_packets" },
7292 { "rx_128_to_255_byte_packets" },
7293 { "rx_256_to_511_byte_packets" },
7294 { "rx_512_to_1023_byte_packets" },
7295 { "rx_1024_to_1522_byte_packets" },
7296 { "rx_1523_to_9022_byte_packets" },
7297 { "tx_64_byte_packets" },
7298 { "tx_65_to_127_byte_packets" },
7299 { "tx_128_to_255_byte_packets" },
7300 { "tx_256_to_511_byte_packets" },
7301 { "tx_512_to_1023_byte_packets" },
7302 { "tx_1024_to_1522_byte_packets" },
7303 { "tx_1523_to_9022_byte_packets" },
7304 { "rx_xon_frames" },
7305 { "rx_xoff_frames" },
7306 { "tx_xon_frames" },
7307 { "tx_xoff_frames" },
7308 { "rx_mac_ctrl_frames" },
7309 { "rx_filtered_packets" },
7310 { "rx_ftq_discards" },
7311 { "rx_discards" },
7312 { "rx_fw_discards" },
7313 };
7314
7315 #define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7316 sizeof(bnx2_stats_str_arr[0]))
7317
7318 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7319
7320 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7321 STATS_OFFSET32(stat_IfHCInOctets_hi),
7322 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7323 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7324 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7325 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7326 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7327 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7328 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7329 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7330 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7331 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
7332 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7333 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7334 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7335 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7336 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7337 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7338 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7339 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7340 STATS_OFFSET32(stat_EtherStatsCollisions),
7341 STATS_OFFSET32(stat_EtherStatsFragments),
7342 STATS_OFFSET32(stat_EtherStatsJabbers),
7343 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7344 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7345 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7346 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7347 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7348 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7349 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7350 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7351 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7352 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7353 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7354 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7355 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7356 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7357 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7358 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7359 STATS_OFFSET32(stat_XonPauseFramesReceived),
7360 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7361 STATS_OFFSET32(stat_OutXonSent),
7362 STATS_OFFSET32(stat_OutXoffSent),
7363 STATS_OFFSET32(stat_MacControlFramesReceived),
7364 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
7365 STATS_OFFSET32(stat_IfInFTQDiscards),
7366 STATS_OFFSET32(stat_IfInMBUFDiscards),
7367 STATS_OFFSET32(stat_FwRxDrop),
7368 };
7369
7370 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7371 * skipped because of errata.
7372 */
7373 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7374 8,0,8,8,8,8,8,8,8,8,
7375 4,0,4,4,4,4,4,4,4,4,
7376 4,4,4,4,4,4,4,4,4,4,
7377 4,4,4,4,4,4,4,4,4,4,
7378 4,4,4,4,4,4,4,
7379 };
7380
7381 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7382 8,0,8,8,8,8,8,8,8,8,
7383 4,4,4,4,4,4,4,4,4,4,
7384 4,4,4,4,4,4,4,4,4,4,
7385 4,4,4,4,4,4,4,4,4,4,
7386 4,4,4,4,4,4,4,
7387 };
7388
7389 #define BNX2_NUM_TESTS 6
7390
7391 static struct {
7392 char string[ETH_GSTRING_LEN];
7393 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7394 { "register_test (offline)" },
7395 { "memory_test (offline)" },
7396 { "loopback_test (offline)" },
7397 { "nvram_test (online)" },
7398 { "interrupt_test (online)" },
7399 { "link_test (online)" },
7400 };
7401
7402 static int
7403 bnx2_get_sset_count(struct net_device *dev, int sset)
7404 {
7405 switch (sset) {
7406 case ETH_SS_TEST:
7407 return BNX2_NUM_TESTS;
7408 case ETH_SS_STATS:
7409 return BNX2_NUM_STATS;
7410 default:
7411 return -EOPNOTSUPP;
7412 }
7413 }
7414
7415 static void
7416 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7417 {
7418 struct bnx2 *bp = netdev_priv(dev);
7419
7420 bnx2_set_power_state(bp, PCI_D0);
7421
7422 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7423 if (etest->flags & ETH_TEST_FL_OFFLINE) {
7424 int i;
7425
7426 bnx2_netif_stop(bp, true);
7427 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7428 bnx2_free_skbs(bp);
7429
7430 if (bnx2_test_registers(bp) != 0) {
7431 buf[0] = 1;
7432 etest->flags |= ETH_TEST_FL_FAILED;
7433 }
7434 if (bnx2_test_memory(bp) != 0) {
7435 buf[1] = 1;
7436 etest->flags |= ETH_TEST_FL_FAILED;
7437 }
7438 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7439 etest->flags |= ETH_TEST_FL_FAILED;
7440
7441 if (!netif_running(bp->dev))
7442 bnx2_shutdown_chip(bp);
7443 else {
7444 bnx2_init_nic(bp, 1);
7445 bnx2_netif_start(bp, true);
7446 }
7447
7448 /* wait for link up */
7449 for (i = 0; i < 7; i++) {
7450 if (bp->link_up)
7451 break;
7452 msleep_interruptible(1000);
7453 }
7454 }
7455
7456 if (bnx2_test_nvram(bp) != 0) {
7457 buf[3] = 1;
7458 etest->flags |= ETH_TEST_FL_FAILED;
7459 }
7460 if (bnx2_test_intr(bp) != 0) {
7461 buf[4] = 1;
7462 etest->flags |= ETH_TEST_FL_FAILED;
7463 }
7464
7465 if (bnx2_test_link(bp) != 0) {
7466 buf[5] = 1;
7467 etest->flags |= ETH_TEST_FL_FAILED;
7468
7469 }
7470 if (!netif_running(bp->dev))
7471 bnx2_set_power_state(bp, PCI_D3hot);
7472 }
7473
7474 static void
7475 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7476 {
7477 switch (stringset) {
7478 case ETH_SS_STATS:
7479 memcpy(buf, bnx2_stats_str_arr,
7480 sizeof(bnx2_stats_str_arr));
7481 break;
7482 case ETH_SS_TEST:
7483 memcpy(buf, bnx2_tests_str_arr,
7484 sizeof(bnx2_tests_str_arr));
7485 break;
7486 }
7487 }
7488
7489 static void
7490 bnx2_get_ethtool_stats(struct net_device *dev,
7491 struct ethtool_stats *stats, u64 *buf)
7492 {
7493 struct bnx2 *bp = netdev_priv(dev);
7494 int i;
7495 u32 *hw_stats = (u32 *) bp->stats_blk;
7496 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
7497 u8 *stats_len_arr = NULL;
7498
7499 if (hw_stats == NULL) {
7500 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7501 return;
7502 }
7503
7504 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7505 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7506 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7507 (CHIP_ID(bp) == CHIP_ID_5708_A0))
7508 stats_len_arr = bnx2_5706_stats_len_arr;
7509 else
7510 stats_len_arr = bnx2_5708_stats_len_arr;
7511
7512 for (i = 0; i < BNX2_NUM_STATS; i++) {
7513 unsigned long offset;
7514
7515 if (stats_len_arr[i] == 0) {
7516 /* skip this counter */
7517 buf[i] = 0;
7518 continue;
7519 }
7520
7521 offset = bnx2_stats_offset_arr[i];
7522 if (stats_len_arr[i] == 4) {
7523 /* 4-byte counter */
7524 buf[i] = (u64) *(hw_stats + offset) +
7525 *(temp_stats + offset);
7526 continue;
7527 }
7528 /* 8-byte counter */
7529 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7530 *(hw_stats + offset + 1) +
7531 (((u64) *(temp_stats + offset)) << 32) +
7532 *(temp_stats + offset + 1);
7533 }
7534 }
7535
7536 static int
7537 bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
7538 {
7539 struct bnx2 *bp = netdev_priv(dev);
7540
7541 switch (state) {
7542 case ETHTOOL_ID_ACTIVE:
7543 bnx2_set_power_state(bp, PCI_D0);
7544
7545 bp->leds_save = REG_RD(bp, BNX2_MISC_CFG);
7546 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7547 return 1; /* cycle on/off once per second */
7548
7549 case ETHTOOL_ID_ON:
7550 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7551 BNX2_EMAC_LED_1000MB_OVERRIDE |
7552 BNX2_EMAC_LED_100MB_OVERRIDE |
7553 BNX2_EMAC_LED_10MB_OVERRIDE |
7554 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7555 BNX2_EMAC_LED_TRAFFIC);
7556 break;
7557
7558 case ETHTOOL_ID_OFF:
7559 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7560 break;
7561
7562 case ETHTOOL_ID_INACTIVE:
7563 REG_WR(bp, BNX2_EMAC_LED, 0);
7564 REG_WR(bp, BNX2_MISC_CFG, bp->leds_save);
7565
7566 if (!netif_running(dev))
7567 bnx2_set_power_state(bp, PCI_D3hot);
7568 break;
7569 }
7570
7571 return 0;
7572 }
7573
7574 static netdev_features_t
7575 bnx2_fix_features(struct net_device *dev, netdev_features_t features)
7576 {
7577 struct bnx2 *bp = netdev_priv(dev);
7578
7579 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
7580 features |= NETIF_F_HW_VLAN_RX;
7581
7582 return features;
7583 }
7584
7585 static int
7586 bnx2_set_features(struct net_device *dev, netdev_features_t features)
7587 {
7588 struct bnx2 *bp = netdev_priv(dev);
7589
7590 /* TSO with VLAN tag won't work with current firmware */
7591 if (features & NETIF_F_HW_VLAN_TX)
7592 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7593 else
7594 dev->vlan_features &= ~NETIF_F_ALL_TSO;
7595
7596 if ((!!(features & NETIF_F_HW_VLAN_RX) !=
7597 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7598 netif_running(dev)) {
7599 bnx2_netif_stop(bp, false);
7600 dev->features = features;
7601 bnx2_set_rx_mode(dev);
7602 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7603 bnx2_netif_start(bp, false);
7604 return 1;
7605 }
7606
7607 return 0;
7608 }
7609
7610 static const struct ethtool_ops bnx2_ethtool_ops = {
7611 .get_settings = bnx2_get_settings,
7612 .set_settings = bnx2_set_settings,
7613 .get_drvinfo = bnx2_get_drvinfo,
7614 .get_regs_len = bnx2_get_regs_len,
7615 .get_regs = bnx2_get_regs,
7616 .get_wol = bnx2_get_wol,
7617 .set_wol = bnx2_set_wol,
7618 .nway_reset = bnx2_nway_reset,
7619 .get_link = bnx2_get_link,
7620 .get_eeprom_len = bnx2_get_eeprom_len,
7621 .get_eeprom = bnx2_get_eeprom,
7622 .set_eeprom = bnx2_set_eeprom,
7623 .get_coalesce = bnx2_get_coalesce,
7624 .set_coalesce = bnx2_set_coalesce,
7625 .get_ringparam = bnx2_get_ringparam,
7626 .set_ringparam = bnx2_set_ringparam,
7627 .get_pauseparam = bnx2_get_pauseparam,
7628 .set_pauseparam = bnx2_set_pauseparam,
7629 .self_test = bnx2_self_test,
7630 .get_strings = bnx2_get_strings,
7631 .set_phys_id = bnx2_set_phys_id,
7632 .get_ethtool_stats = bnx2_get_ethtool_stats,
7633 .get_sset_count = bnx2_get_sset_count,
7634 };
7635
7636 /* Called with rtnl_lock */
7637 static int
7638 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7639 {
7640 struct mii_ioctl_data *data = if_mii(ifr);
7641 struct bnx2 *bp = netdev_priv(dev);
7642 int err;
7643
7644 switch(cmd) {
7645 case SIOCGMIIPHY:
7646 data->phy_id = bp->phy_addr;
7647
7648 /* fallthru */
7649 case SIOCGMIIREG: {
7650 u32 mii_regval;
7651
7652 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7653 return -EOPNOTSUPP;
7654
7655 if (!netif_running(dev))
7656 return -EAGAIN;
7657
7658 spin_lock_bh(&bp->phy_lock);
7659 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7660 spin_unlock_bh(&bp->phy_lock);
7661
7662 data->val_out = mii_regval;
7663
7664 return err;
7665 }
7666
7667 case SIOCSMIIREG:
7668 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7669 return -EOPNOTSUPP;
7670
7671 if (!netif_running(dev))
7672 return -EAGAIN;
7673
7674 spin_lock_bh(&bp->phy_lock);
7675 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7676 spin_unlock_bh(&bp->phy_lock);
7677
7678 return err;
7679
7680 default:
7681 /* do nothing */
7682 break;
7683 }
7684 return -EOPNOTSUPP;
7685 }
7686
7687 /* Called with rtnl_lock */
7688 static int
7689 bnx2_change_mac_addr(struct net_device *dev, void *p)
7690 {
7691 struct sockaddr *addr = p;
7692 struct bnx2 *bp = netdev_priv(dev);
7693
7694 if (!is_valid_ether_addr(addr->sa_data))
7695 return -EINVAL;
7696
7697 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7698 if (netif_running(dev))
7699 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7700
7701 return 0;
7702 }
7703
7704 /* Called with rtnl_lock */
7705 static int
7706 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7707 {
7708 struct bnx2 *bp = netdev_priv(dev);
7709
7710 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7711 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7712 return -EINVAL;
7713
7714 dev->mtu = new_mtu;
7715 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
7716 }
7717
7718 #ifdef CONFIG_NET_POLL_CONTROLLER
7719 static void
7720 poll_bnx2(struct net_device *dev)
7721 {
7722 struct bnx2 *bp = netdev_priv(dev);
7723 int i;
7724
7725 for (i = 0; i < bp->irq_nvecs; i++) {
7726 struct bnx2_irq *irq = &bp->irq_tbl[i];
7727
7728 disable_irq(irq->vector);
7729 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7730 enable_irq(irq->vector);
7731 }
7732 }
7733 #endif
7734
7735 static void __devinit
7736 bnx2_get_5709_media(struct bnx2 *bp)
7737 {
7738 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7739 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7740 u32 strap;
7741
7742 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7743 return;
7744 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7745 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7746 return;
7747 }
7748
7749 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7750 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7751 else
7752 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7753
7754 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7755 switch (strap) {
7756 case 0x4:
7757 case 0x5:
7758 case 0x6:
7759 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7760 return;
7761 }
7762 } else {
7763 switch (strap) {
7764 case 0x1:
7765 case 0x2:
7766 case 0x4:
7767 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7768 return;
7769 }
7770 }
7771 }
7772
7773 static void __devinit
7774 bnx2_get_pci_speed(struct bnx2 *bp)
7775 {
7776 u32 reg;
7777
7778 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7779 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7780 u32 clkreg;
7781
7782 bp->flags |= BNX2_FLAG_PCIX;
7783
7784 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7785
7786 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7787 switch (clkreg) {
7788 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7789 bp->bus_speed_mhz = 133;
7790 break;
7791
7792 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7793 bp->bus_speed_mhz = 100;
7794 break;
7795
7796 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7797 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7798 bp->bus_speed_mhz = 66;
7799 break;
7800
7801 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7802 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7803 bp->bus_speed_mhz = 50;
7804 break;
7805
7806 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7807 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7808 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7809 bp->bus_speed_mhz = 33;
7810 break;
7811 }
7812 }
7813 else {
7814 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7815 bp->bus_speed_mhz = 66;
7816 else
7817 bp->bus_speed_mhz = 33;
7818 }
7819
7820 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7821 bp->flags |= BNX2_FLAG_PCI_32BIT;
7822
7823 }
7824
7825 static void __devinit
7826 bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7827 {
7828 int rc, i, j;
7829 u8 *data;
7830 unsigned int block_end, rosize, len;
7831
7832 #define BNX2_VPD_NVRAM_OFFSET 0x300
7833 #define BNX2_VPD_LEN 128
7834 #define BNX2_MAX_VER_SLEN 30
7835
7836 data = kmalloc(256, GFP_KERNEL);
7837 if (!data)
7838 return;
7839
7840 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7841 BNX2_VPD_LEN);
7842 if (rc)
7843 goto vpd_done;
7844
7845 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7846 data[i] = data[i + BNX2_VPD_LEN + 3];
7847 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7848 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7849 data[i + 3] = data[i + BNX2_VPD_LEN];
7850 }
7851
7852 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7853 if (i < 0)
7854 goto vpd_done;
7855
7856 rosize = pci_vpd_lrdt_size(&data[i]);
7857 i += PCI_VPD_LRDT_TAG_SIZE;
7858 block_end = i + rosize;
7859
7860 if (block_end > BNX2_VPD_LEN)
7861 goto vpd_done;
7862
7863 j = pci_vpd_find_info_keyword(data, i, rosize,
7864 PCI_VPD_RO_KEYWORD_MFR_ID);
7865 if (j < 0)
7866 goto vpd_done;
7867
7868 len = pci_vpd_info_field_size(&data[j]);
7869
7870 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7871 if (j + len > block_end || len != 4 ||
7872 memcmp(&data[j], "1028", 4))
7873 goto vpd_done;
7874
7875 j = pci_vpd_find_info_keyword(data, i, rosize,
7876 PCI_VPD_RO_KEYWORD_VENDOR0);
7877 if (j < 0)
7878 goto vpd_done;
7879
7880 len = pci_vpd_info_field_size(&data[j]);
7881
7882 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7883 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7884 goto vpd_done;
7885
7886 memcpy(bp->fw_version, &data[j], len);
7887 bp->fw_version[len] = ' ';
7888
7889 vpd_done:
7890 kfree(data);
7891 }
7892
7893 static int __devinit
7894 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7895 {
7896 struct bnx2 *bp;
7897 unsigned long mem_len;
7898 int rc, i, j;
7899 u32 reg;
7900 u64 dma_mask, persist_dma_mask;
7901 int err;
7902
7903 SET_NETDEV_DEV(dev, &pdev->dev);
7904 bp = netdev_priv(dev);
7905
7906 bp->flags = 0;
7907 bp->phy_flags = 0;
7908
7909 bp->temp_stats_blk =
7910 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7911
7912 if (bp->temp_stats_blk == NULL) {
7913 rc = -ENOMEM;
7914 goto err_out;
7915 }
7916
7917 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7918 rc = pci_enable_device(pdev);
7919 if (rc) {
7920 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
7921 goto err_out;
7922 }
7923
7924 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7925 dev_err(&pdev->dev,
7926 "Cannot find PCI device base address, aborting\n");
7927 rc = -ENODEV;
7928 goto err_out_disable;
7929 }
7930
7931 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7932 if (rc) {
7933 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
7934 goto err_out_disable;
7935 }
7936
7937 pci_set_master(pdev);
7938
7939 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7940 if (bp->pm_cap == 0) {
7941 dev_err(&pdev->dev,
7942 "Cannot find power management capability, aborting\n");
7943 rc = -EIO;
7944 goto err_out_release;
7945 }
7946
7947 bp->dev = dev;
7948 bp->pdev = pdev;
7949
7950 spin_lock_init(&bp->phy_lock);
7951 spin_lock_init(&bp->indirect_lock);
7952 #ifdef BCM_CNIC
7953 mutex_init(&bp->cnic_lock);
7954 #endif
7955 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7956
7957 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7958 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7959 dev->mem_end = dev->mem_start + mem_len;
7960 dev->irq = pdev->irq;
7961
7962 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7963
7964 if (!bp->regview) {
7965 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
7966 rc = -ENOMEM;
7967 goto err_out_release;
7968 }
7969
7970 bnx2_set_power_state(bp, PCI_D0);
7971
7972 /* Configure byte swap and enable write to the reg_window registers.
7973 * Rely on CPU to do target byte swapping on big endian systems
7974 * The chip's target access swapping will not swap all accesses
7975 */
7976 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG,
7977 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7978 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7979
7980 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7981
7982 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7983 if (!pci_is_pcie(pdev)) {
7984 dev_err(&pdev->dev, "Not PCIE, aborting\n");
7985 rc = -EIO;
7986 goto err_out_unmap;
7987 }
7988 bp->flags |= BNX2_FLAG_PCIE;
7989 if (CHIP_REV(bp) == CHIP_REV_Ax)
7990 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7991
7992 /* AER (Advanced Error Reporting) hooks */
7993 err = pci_enable_pcie_error_reporting(pdev);
7994 if (!err)
7995 bp->flags |= BNX2_FLAG_AER_ENABLED;
7996
7997 } else {
7998 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7999 if (bp->pcix_cap == 0) {
8000 dev_err(&pdev->dev,
8001 "Cannot find PCIX capability, aborting\n");
8002 rc = -EIO;
8003 goto err_out_unmap;
8004 }
8005 bp->flags |= BNX2_FLAG_BROKEN_STATS;
8006 }
8007
8008 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
8009 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
8010 bp->flags |= BNX2_FLAG_MSIX_CAP;
8011 }
8012
8013 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
8014 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
8015 bp->flags |= BNX2_FLAG_MSI_CAP;
8016 }
8017
8018 /* 5708 cannot support DMA addresses > 40-bit. */
8019 if (CHIP_NUM(bp) == CHIP_NUM_5708)
8020 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
8021 else
8022 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
8023
8024 /* Configure DMA attributes. */
8025 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8026 dev->features |= NETIF_F_HIGHDMA;
8027 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8028 if (rc) {
8029 dev_err(&pdev->dev,
8030 "pci_set_consistent_dma_mask failed, aborting\n");
8031 goto err_out_unmap;
8032 }
8033 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
8034 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
8035 goto err_out_unmap;
8036 }
8037
8038 if (!(bp->flags & BNX2_FLAG_PCIE))
8039 bnx2_get_pci_speed(bp);
8040
8041 /* 5706A0 may falsely detect SERR and PERR. */
8042 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8043 reg = REG_RD(bp, PCI_COMMAND);
8044 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
8045 REG_WR(bp, PCI_COMMAND, reg);
8046 }
8047 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
8048 !(bp->flags & BNX2_FLAG_PCIX)) {
8049
8050 dev_err(&pdev->dev,
8051 "5706 A1 can only be used in a PCIX bus, aborting\n");
8052 goto err_out_unmap;
8053 }
8054
8055 bnx2_init_nvram(bp);
8056
8057 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
8058
8059 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
8060 BNX2_SHM_HDR_SIGNATURE_SIG) {
8061 u32 off = PCI_FUNC(pdev->devfn) << 2;
8062
8063 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
8064 } else
8065 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8066
8067 /* Get the permanent MAC address. First we need to make sure the
8068 * firmware is actually running.
8069 */
8070 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
8071
8072 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8073 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
8074 dev_err(&pdev->dev, "Firmware not running, aborting\n");
8075 rc = -ENODEV;
8076 goto err_out_unmap;
8077 }
8078
8079 bnx2_read_vpd_fw_ver(bp);
8080
8081 j = strlen(bp->fw_version);
8082 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
8083 for (i = 0; i < 3 && j < 24; i++) {
8084 u8 num, k, skip0;
8085
8086 if (i == 0) {
8087 bp->fw_version[j++] = 'b';
8088 bp->fw_version[j++] = 'c';
8089 bp->fw_version[j++] = ' ';
8090 }
8091 num = (u8) (reg >> (24 - (i * 8)));
8092 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8093 if (num >= k || !skip0 || k == 1) {
8094 bp->fw_version[j++] = (num / k) + '0';
8095 skip0 = 0;
8096 }
8097 }
8098 if (i != 2)
8099 bp->fw_version[j++] = '.';
8100 }
8101 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
8102 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8103 bp->wol = 1;
8104
8105 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
8106 bp->flags |= BNX2_FLAG_ASF_ENABLE;
8107
8108 for (i = 0; i < 30; i++) {
8109 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8110 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8111 break;
8112 msleep(10);
8113 }
8114 }
8115 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
8116 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8117 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8118 reg != BNX2_CONDITION_MFW_RUN_NONE) {
8119 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
8120
8121 if (j < 32)
8122 bp->fw_version[j++] = ' ';
8123 for (i = 0; i < 3 && j < 28; i++) {
8124 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
8125 reg = be32_to_cpu(reg);
8126 memcpy(&bp->fw_version[j], &reg, 4);
8127 j += 4;
8128 }
8129 }
8130
8131 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
8132 bp->mac_addr[0] = (u8) (reg >> 8);
8133 bp->mac_addr[1] = (u8) reg;
8134
8135 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
8136 bp->mac_addr[2] = (u8) (reg >> 24);
8137 bp->mac_addr[3] = (u8) (reg >> 16);
8138 bp->mac_addr[4] = (u8) (reg >> 8);
8139 bp->mac_addr[5] = (u8) reg;
8140
8141 bp->tx_ring_size = MAX_TX_DESC_CNT;
8142 bnx2_set_rx_ring_size(bp, 255);
8143
8144 bp->tx_quick_cons_trip_int = 2;
8145 bp->tx_quick_cons_trip = 20;
8146 bp->tx_ticks_int = 18;
8147 bp->tx_ticks = 80;
8148
8149 bp->rx_quick_cons_trip_int = 2;
8150 bp->rx_quick_cons_trip = 12;
8151 bp->rx_ticks_int = 18;
8152 bp->rx_ticks = 18;
8153
8154 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
8155
8156 bp->current_interval = BNX2_TIMER_INTERVAL;
8157
8158 bp->phy_addr = 1;
8159
8160 /* Disable WOL support if we are running on a SERDES chip. */
8161 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8162 bnx2_get_5709_media(bp);
8163 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
8164 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
8165
8166 bp->phy_port = PORT_TP;
8167 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
8168 bp->phy_port = PORT_FIBRE;
8169 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
8170 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
8171 bp->flags |= BNX2_FLAG_NO_WOL;
8172 bp->wol = 0;
8173 }
8174 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8175 /* Don't do parallel detect on this board because of
8176 * some board problems. The link will not go down
8177 * if we do parallel detect.
8178 */
8179 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8180 pdev->subsystem_device == 0x310c)
8181 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8182 } else {
8183 bp->phy_addr = 2;
8184 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
8185 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
8186 }
8187 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8188 CHIP_NUM(bp) == CHIP_NUM_5708)
8189 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
8190 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8191 (CHIP_REV(bp) == CHIP_REV_Ax ||
8192 CHIP_REV(bp) == CHIP_REV_Bx))
8193 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
8194
8195 bnx2_init_fw_cap(bp);
8196
8197 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8198 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
8199 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8200 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
8201 bp->flags |= BNX2_FLAG_NO_WOL;
8202 bp->wol = 0;
8203 }
8204
8205 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8206 bp->tx_quick_cons_trip_int =
8207 bp->tx_quick_cons_trip;
8208 bp->tx_ticks_int = bp->tx_ticks;
8209 bp->rx_quick_cons_trip_int =
8210 bp->rx_quick_cons_trip;
8211 bp->rx_ticks_int = bp->rx_ticks;
8212 bp->comp_prod_trip_int = bp->comp_prod_trip;
8213 bp->com_ticks_int = bp->com_ticks;
8214 bp->cmd_ticks_int = bp->cmd_ticks;
8215 }
8216
8217 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8218 *
8219 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8220 * with byte enables disabled on the unused 32-bit word. This is legal
8221 * but causes problems on the AMD 8132 which will eventually stop
8222 * responding after a while.
8223 *
8224 * AMD believes this incompatibility is unique to the 5706, and
8225 * prefers to locally disable MSI rather than globally disabling it.
8226 */
8227 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8228 struct pci_dev *amd_8132 = NULL;
8229
8230 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8231 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8232 amd_8132))) {
8233
8234 if (amd_8132->revision >= 0x10 &&
8235 amd_8132->revision <= 0x13) {
8236 disable_msi = 1;
8237 pci_dev_put(amd_8132);
8238 break;
8239 }
8240 }
8241 }
8242
8243 bnx2_set_default_link(bp);
8244 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8245
8246 init_timer(&bp->timer);
8247 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
8248 bp->timer.data = (unsigned long) bp;
8249 bp->timer.function = bnx2_timer;
8250
8251 #ifdef BCM_CNIC
8252 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8253 bp->cnic_eth_dev.max_iscsi_conn =
8254 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8255 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
8256 #endif
8257 pci_save_state(pdev);
8258
8259 return 0;
8260
8261 err_out_unmap:
8262 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
8263 pci_disable_pcie_error_reporting(pdev);
8264 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8265 }
8266
8267 if (bp->regview) {
8268 iounmap(bp->regview);
8269 bp->regview = NULL;
8270 }
8271
8272 err_out_release:
8273 pci_release_regions(pdev);
8274
8275 err_out_disable:
8276 pci_disable_device(pdev);
8277 pci_set_drvdata(pdev, NULL);
8278
8279 err_out:
8280 return rc;
8281 }
8282
8283 static char * __devinit
8284 bnx2_bus_string(struct bnx2 *bp, char *str)
8285 {
8286 char *s = str;
8287
8288 if (bp->flags & BNX2_FLAG_PCIE) {
8289 s += sprintf(s, "PCI Express");
8290 } else {
8291 s += sprintf(s, "PCI");
8292 if (bp->flags & BNX2_FLAG_PCIX)
8293 s += sprintf(s, "-X");
8294 if (bp->flags & BNX2_FLAG_PCI_32BIT)
8295 s += sprintf(s, " 32-bit");
8296 else
8297 s += sprintf(s, " 64-bit");
8298 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8299 }
8300 return str;
8301 }
8302
8303 static void
8304 bnx2_del_napi(struct bnx2 *bp)
8305 {
8306 int i;
8307
8308 for (i = 0; i < bp->irq_nvecs; i++)
8309 netif_napi_del(&bp->bnx2_napi[i].napi);
8310 }
8311
8312 static void
8313 bnx2_init_napi(struct bnx2 *bp)
8314 {
8315 int i;
8316
8317 for (i = 0; i < bp->irq_nvecs; i++) {
8318 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8319 int (*poll)(struct napi_struct *, int);
8320
8321 if (i == 0)
8322 poll = bnx2_poll;
8323 else
8324 poll = bnx2_poll_msix;
8325
8326 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8327 bnapi->bp = bp;
8328 }
8329 }
8330
8331 static const struct net_device_ops bnx2_netdev_ops = {
8332 .ndo_open = bnx2_open,
8333 .ndo_start_xmit = bnx2_start_xmit,
8334 .ndo_stop = bnx2_close,
8335 .ndo_get_stats64 = bnx2_get_stats64,
8336 .ndo_set_rx_mode = bnx2_set_rx_mode,
8337 .ndo_do_ioctl = bnx2_ioctl,
8338 .ndo_validate_addr = eth_validate_addr,
8339 .ndo_set_mac_address = bnx2_change_mac_addr,
8340 .ndo_change_mtu = bnx2_change_mtu,
8341 .ndo_fix_features = bnx2_fix_features,
8342 .ndo_set_features = bnx2_set_features,
8343 .ndo_tx_timeout = bnx2_tx_timeout,
8344 #ifdef CONFIG_NET_POLL_CONTROLLER
8345 .ndo_poll_controller = poll_bnx2,
8346 #endif
8347 };
8348
8349 static int __devinit
8350 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8351 {
8352 static int version_printed = 0;
8353 struct net_device *dev = NULL;
8354 struct bnx2 *bp;
8355 int rc;
8356 char str[40];
8357
8358 if (version_printed++ == 0)
8359 pr_info("%s", version);
8360
8361 /* dev zeroed in init_etherdev */
8362 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8363
8364 if (!dev)
8365 return -ENOMEM;
8366
8367 rc = bnx2_init_board(pdev, dev);
8368 if (rc < 0) {
8369 free_netdev(dev);
8370 return rc;
8371 }
8372
8373 dev->netdev_ops = &bnx2_netdev_ops;
8374 dev->watchdog_timeo = TX_TIMEOUT;
8375 dev->ethtool_ops = &bnx2_ethtool_ops;
8376
8377 bp = netdev_priv(dev);
8378
8379 pci_set_drvdata(pdev, dev);
8380
8381 memcpy(dev->dev_addr, bp->mac_addr, 6);
8382 memcpy(dev->perm_addr, bp->mac_addr, 6);
8383
8384 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8385 NETIF_F_TSO | NETIF_F_TSO_ECN |
8386 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8387
8388 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8389 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8390
8391 dev->vlan_features = dev->hw_features;
8392 dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8393 dev->features |= dev->hw_features;
8394 dev->priv_flags |= IFF_UNICAST_FLT;
8395
8396 if ((rc = register_netdev(dev))) {
8397 dev_err(&pdev->dev, "Cannot register net device\n");
8398 goto error;
8399 }
8400
8401 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8402 board_info[ent->driver_data].name,
8403 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8404 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8405 bnx2_bus_string(bp, str),
8406 dev->base_addr,
8407 bp->pdev->irq, dev->dev_addr);
8408
8409 return 0;
8410
8411 error:
8412 if (bp->regview)
8413 iounmap(bp->regview);
8414 pci_release_regions(pdev);
8415 pci_disable_device(pdev);
8416 pci_set_drvdata(pdev, NULL);
8417 free_netdev(dev);
8418 return rc;
8419 }
8420
8421 static void __devexit
8422 bnx2_remove_one(struct pci_dev *pdev)
8423 {
8424 struct net_device *dev = pci_get_drvdata(pdev);
8425 struct bnx2 *bp = netdev_priv(dev);
8426
8427 unregister_netdev(dev);
8428
8429 del_timer_sync(&bp->timer);
8430 cancel_work_sync(&bp->reset_task);
8431
8432 if (bp->regview)
8433 iounmap(bp->regview);
8434
8435 kfree(bp->temp_stats_blk);
8436
8437 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
8438 pci_disable_pcie_error_reporting(pdev);
8439 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8440 }
8441
8442 bnx2_release_firmware(bp);
8443
8444 free_netdev(dev);
8445
8446 pci_release_regions(pdev);
8447 pci_disable_device(pdev);
8448 pci_set_drvdata(pdev, NULL);
8449 }
8450
8451 static int
8452 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8453 {
8454 struct net_device *dev = pci_get_drvdata(pdev);
8455 struct bnx2 *bp = netdev_priv(dev);
8456
8457 /* PCI register 4 needs to be saved whether netif_running() or not.
8458 * MSI address and data need to be saved if using MSI and
8459 * netif_running().
8460 */
8461 pci_save_state(pdev);
8462 if (!netif_running(dev))
8463 return 0;
8464
8465 cancel_work_sync(&bp->reset_task);
8466 bnx2_netif_stop(bp, true);
8467 netif_device_detach(dev);
8468 del_timer_sync(&bp->timer);
8469 bnx2_shutdown_chip(bp);
8470 bnx2_free_skbs(bp);
8471 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8472 return 0;
8473 }
8474
8475 static int
8476 bnx2_resume(struct pci_dev *pdev)
8477 {
8478 struct net_device *dev = pci_get_drvdata(pdev);
8479 struct bnx2 *bp = netdev_priv(dev);
8480
8481 pci_restore_state(pdev);
8482 if (!netif_running(dev))
8483 return 0;
8484
8485 bnx2_set_power_state(bp, PCI_D0);
8486 netif_device_attach(dev);
8487 bnx2_init_nic(bp, 1);
8488 bnx2_netif_start(bp, true);
8489 return 0;
8490 }
8491
8492 /**
8493 * bnx2_io_error_detected - called when PCI error is detected
8494 * @pdev: Pointer to PCI device
8495 * @state: The current pci connection state
8496 *
8497 * This function is called after a PCI bus error affecting
8498 * this device has been detected.
8499 */
8500 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8501 pci_channel_state_t state)
8502 {
8503 struct net_device *dev = pci_get_drvdata(pdev);
8504 struct bnx2 *bp = netdev_priv(dev);
8505
8506 rtnl_lock();
8507 netif_device_detach(dev);
8508
8509 if (state == pci_channel_io_perm_failure) {
8510 rtnl_unlock();
8511 return PCI_ERS_RESULT_DISCONNECT;
8512 }
8513
8514 if (netif_running(dev)) {
8515 bnx2_netif_stop(bp, true);
8516 del_timer_sync(&bp->timer);
8517 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8518 }
8519
8520 pci_disable_device(pdev);
8521 rtnl_unlock();
8522
8523 /* Request a slot slot reset. */
8524 return PCI_ERS_RESULT_NEED_RESET;
8525 }
8526
8527 /**
8528 * bnx2_io_slot_reset - called after the pci bus has been reset.
8529 * @pdev: Pointer to PCI device
8530 *
8531 * Restart the card from scratch, as if from a cold-boot.
8532 */
8533 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8534 {
8535 struct net_device *dev = pci_get_drvdata(pdev);
8536 struct bnx2 *bp = netdev_priv(dev);
8537 pci_ers_result_t result;
8538 int err;
8539
8540 rtnl_lock();
8541 if (pci_enable_device(pdev)) {
8542 dev_err(&pdev->dev,
8543 "Cannot re-enable PCI device after reset\n");
8544 result = PCI_ERS_RESULT_DISCONNECT;
8545 } else {
8546 pci_set_master(pdev);
8547 pci_restore_state(pdev);
8548 pci_save_state(pdev);
8549
8550 if (netif_running(dev)) {
8551 bnx2_set_power_state(bp, PCI_D0);
8552 bnx2_init_nic(bp, 1);
8553 }
8554 result = PCI_ERS_RESULT_RECOVERED;
8555 }
8556 rtnl_unlock();
8557
8558 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
8559 return result;
8560
8561 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8562 if (err) {
8563 dev_err(&pdev->dev,
8564 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8565 err); /* non-fatal, continue */
8566 }
8567
8568 return result;
8569 }
8570
8571 /**
8572 * bnx2_io_resume - called when traffic can start flowing again.
8573 * @pdev: Pointer to PCI device
8574 *
8575 * This callback is called when the error recovery driver tells us that
8576 * its OK to resume normal operation.
8577 */
8578 static void bnx2_io_resume(struct pci_dev *pdev)
8579 {
8580 struct net_device *dev = pci_get_drvdata(pdev);
8581 struct bnx2 *bp = netdev_priv(dev);
8582
8583 rtnl_lock();
8584 if (netif_running(dev))
8585 bnx2_netif_start(bp, true);
8586
8587 netif_device_attach(dev);
8588 rtnl_unlock();
8589 }
8590
8591 static struct pci_error_handlers bnx2_err_handler = {
8592 .error_detected = bnx2_io_error_detected,
8593 .slot_reset = bnx2_io_slot_reset,
8594 .resume = bnx2_io_resume,
8595 };
8596
8597 static struct pci_driver bnx2_pci_driver = {
8598 .name = DRV_MODULE_NAME,
8599 .id_table = bnx2_pci_tbl,
8600 .probe = bnx2_init_one,
8601 .remove = __devexit_p(bnx2_remove_one),
8602 .suspend = bnx2_suspend,
8603 .resume = bnx2_resume,
8604 .err_handler = &bnx2_err_handler,
8605 };
8606
8607 static int __init bnx2_init(void)
8608 {
8609 return pci_register_driver(&bnx2_pci_driver);
8610 }
8611
8612 static void __exit bnx2_cleanup(void)
8613 {
8614 pci_unregister_driver(&bnx2_pci_driver);
8615 }
8616
8617 module_init(bnx2_init);
8618 module_exit(bnx2_cleanup);
8619
8620
8621