]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/net/ethernet/broadcom/bnx2.c
Merge tag 'mmc-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / broadcom / bnx2.c
CommitLineData
2e0bf125 1/* bnx2.c: QLogic bnx2 network driver.
b6016b76 2 *
28c4ec0d 3 * Copyright (c) 2004-2014 Broadcom Corporation
2e0bf125 4 * Copyright (c) 2014-2015 QLogic Corporation
b6016b76
MC
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 *
10 * Written by: Michael Chan (mchan@broadcom.com)
11 */
12
3a9c6a49 13#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
f2a4f052
MC
14
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17
555069da 18#include <linux/stringify.h>
f2a4f052
MC
19#include <linux/kernel.h>
20#include <linux/timer.h>
21#include <linux/errno.h>
22#include <linux/ioport.h>
23#include <linux/slab.h>
24#include <linux/vmalloc.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
f2a4f052
MC
27#include <linux/netdevice.h>
28#include <linux/etherdevice.h>
29#include <linux/skbuff.h>
30#include <linux/dma-mapping.h>
1977f032 31#include <linux/bitops.h>
f2a4f052
MC
32#include <asm/io.h>
33#include <asm/irq.h>
34#include <linux/delay.h>
35#include <asm/byteorder.h>
c86a31f4 36#include <asm/page.h>
f2a4f052
MC
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
01789349 40#include <linux/if.h>
f2a4f052 41#include <linux/if_vlan.h>
f2a4f052 42#include <net/ip.h>
de081fa5 43#include <net/tcp.h>
f2a4f052 44#include <net/checksum.h>
f2a4f052
MC
45#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
29b12174 48#include <linux/cache.h>
57579f76 49#include <linux/firmware.h>
706bf240 50#include <linux/log2.h>
cd709aa9 51#include <linux/aer.h>
6df77862 52#include <linux/crash_dump.h>
f2a4f052 53
da556d6a 54#if IS_ENABLED(CONFIG_CNIC)
4edd473f
MC
55#define BCM_CNIC 1
56#include "cnic_if.h"
57#endif
b6016b76
MC
58#include "bnx2.h"
59#include "bnx2_fw.h"
b3448b0b 60
b6016b76 61#define DRV_MODULE_NAME "bnx2"
85fe7cd2
RM
62#define DRV_MODULE_VERSION "2.2.6"
63#define DRV_MODULE_RELDATE "January 29, 2014"
c2c20ef4 64#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
22fa159d 65#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
c2c20ef4 66#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
22fa159d
MC
67#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
68#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
b6016b76
MC
69
70#define RUN_AT(x) (jiffies + (x))
71
72/* Time in jiffies before concluding the transmitter is hung. */
73#define TX_TIMEOUT (5*HZ)
74
cfd95a63 75static char version[] =
2e0bf125 76 "QLogic " DRV_MODULE_NAME " Gigabit Ethernet Driver v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
b6016b76
MC
77
78MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
2e0bf125 79MODULE_DESCRIPTION("QLogic BCM5706/5708/5709/5716 Driver");
b6016b76
MC
80MODULE_LICENSE("GPL");
81MODULE_VERSION(DRV_MODULE_VERSION);
57579f76
MC
82MODULE_FIRMWARE(FW_MIPS_FILE_06);
83MODULE_FIRMWARE(FW_RV2P_FILE_06);
84MODULE_FIRMWARE(FW_MIPS_FILE_09);
85MODULE_FIRMWARE(FW_RV2P_FILE_09);
078b0735 86MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
b6016b76
MC
87
88static int disable_msi = 0;
89
1c8bb760 90module_param(disable_msi, int, S_IRUGO);
b6016b76
MC
91MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
92
93typedef enum {
94 BCM5706 = 0,
95 NC370T,
96 NC370I,
97 BCM5706S,
98 NC370F,
5b0c76ad
MC
99 BCM5708,
100 BCM5708S,
bac0dff6 101 BCM5709,
27a005b8 102 BCM5709S,
7bb0a04f 103 BCM5716,
1caacecb 104 BCM5716S,
b6016b76
MC
105} board_t;
106
107/* indexed by board_t, above */
fefa8645 108static struct {
b6016b76 109 char *name;
cfd95a63 110} board_info[] = {
b6016b76
MC
111 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
112 { "HP NC370T Multifunction Gigabit Server Adapter" },
113 { "HP NC370i Multifunction Gigabit Server Adapter" },
114 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
115 { "HP NC370F Multifunction Gigabit Server Adapter" },
5b0c76ad
MC
116 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
117 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
bac0dff6 118 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
27a005b8 119 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
7bb0a04f 120 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
1caacecb 121 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
b6016b76
MC
122 };
123
9baa3c34 124static const struct pci_device_id bnx2_pci_tbl[] = {
b6016b76
MC
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
126 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
128 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
5b0c76ad
MC
131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
b6016b76
MC
133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
134 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
5b0c76ad
MC
137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
bac0dff6
MC
139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
27a005b8
MC
141 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
7bb0a04f
MC
143 { PCI_VENDOR_ID_BROADCOM, 0x163b,
144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
1caacecb 145 { PCI_VENDOR_ID_BROADCOM, 0x163c,
1f2435e5 146 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
b6016b76
MC
147 { 0, }
148};
149
0ced9d01 150static const struct flash_spec flash_table[] =
b6016b76 151{
e30372c9
MC
152#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
153#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
b6016b76 154 /* Slow EEPROM */
37137709 155 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 156 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
b6016b76
MC
157 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
158 "EEPROM - slow"},
37137709
MC
159 /* Expansion entry 0001 */
160 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 161 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
162 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
163 "Entry 0001"},
b6016b76
MC
164 /* Saifun SA25F010 (non-buffered flash) */
165 /* strap, cfg1, & write1 need updates */
37137709 166 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 167 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC
168 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
169 "Non-buffered flash (128kB)"},
170 /* Saifun SA25F020 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
37137709 172 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC
174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
175 "Non-buffered flash (256kB)"},
37137709
MC
176 /* Expansion entry 0100 */
177 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 178 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
179 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
180 "Entry 0100"},
181 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
6aa20a22 182 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 183 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC
184 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
185 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
186 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
187 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 188 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC
189 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
190 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
191 /* Saifun SA25F005 (non-buffered flash) */
192 /* strap, cfg1, & write1 need updates */
193 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 194 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
195 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
196 "Non-buffered flash (64kB)"},
197 /* Fast EEPROM */
198 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 199 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
37137709
MC
200 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
201 "EEPROM - fast"},
202 /* Expansion entry 1001 */
203 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 204 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
205 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
206 "Entry 1001"},
207 /* Expansion entry 1010 */
208 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 209 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
210 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
211 "Entry 1010"},
212 /* ATMEL AT45DB011B (buffered flash) */
213 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 214 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
215 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
216 "Buffered flash (128kB)"},
217 /* Expansion entry 1100 */
218 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 219 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
220 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
221 "Entry 1100"},
222 /* Expansion entry 1101 */
223 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 224 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
225 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
226 "Entry 1101"},
227 /* Ateml Expansion entry 1110 */
228 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 229 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
230 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
231 "Entry 1110 (Atmel)"},
232 /* ATMEL AT45DB021B (buffered flash) */
233 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 234 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
235 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
236 "Buffered flash (256kB)"},
b6016b76
MC
237};
238
0ced9d01 239static const struct flash_spec flash_5709 = {
e30372c9
MC
240 .flags = BNX2_NV_BUFFERED,
241 .page_bits = BCM5709_FLASH_PAGE_BITS,
242 .page_size = BCM5709_FLASH_PAGE_SIZE,
243 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
244 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
245 .name = "5709 Buffered flash (256kB)",
246};
247
b6016b76
MC
248MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
249
4327ba43 250static void bnx2_init_napi(struct bnx2 *bp);
f048fa9c 251static void bnx2_del_napi(struct bnx2 *bp);
4327ba43 252
35e9010b 253static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
e89bbf10 254{
2f8af120 255 u32 diff;
e89bbf10 256
faac9c4b
MC
257 /* The ring uses 256 indices for 255 entries, one of them
258 * needs to be skipped.
259 */
b668534c 260 diff = READ_ONCE(txr->tx_prod) - READ_ONCE(txr->tx_cons);
2bc4078e 261 if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
faac9c4b 262 diff &= 0xffff;
2bc4078e
MC
263 if (diff == BNX2_TX_DESC_CNT)
264 diff = BNX2_MAX_TX_DESC_CNT;
faac9c4b 265 }
807540ba 266 return bp->tx_ring_size - diff;
e89bbf10
MC
267}
268
b6016b76
MC
269static u32
270bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
271{
6bc80629 272 unsigned long flags;
1b8227c4
MC
273 u32 val;
274
6bc80629 275 spin_lock_irqsave(&bp->indirect_lock, flags);
e503e066
MC
276 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
277 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
6bc80629 278 spin_unlock_irqrestore(&bp->indirect_lock, flags);
1b8227c4 279 return val;
b6016b76
MC
280}
281
282static void
283bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
284{
6bc80629
IV
285 unsigned long flags;
286
287 spin_lock_irqsave(&bp->indirect_lock, flags);
e503e066
MC
288 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
289 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
6bc80629 290 spin_unlock_irqrestore(&bp->indirect_lock, flags);
b6016b76
MC
291}
292
2726d6e1
MC
293static void
294bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
295{
296 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
297}
298
299static u32
300bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
301{
807540ba 302 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
2726d6e1
MC
303}
304
b6016b76
MC
305static void
306bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
307{
6bc80629
IV
308 unsigned long flags;
309
b6016b76 310 offset += cid_addr;
6bc80629 311 spin_lock_irqsave(&bp->indirect_lock, flags);
4ce45e02 312 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
59b47d8a
MC
313 int i;
314
e503e066
MC
315 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
316 BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
317 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
59b47d8a 318 for (i = 0; i < 5; i++) {
e503e066 319 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
59b47d8a
MC
320 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
321 break;
322 udelay(5);
323 }
324 } else {
e503e066
MC
325 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
326 BNX2_WR(bp, BNX2_CTX_DATA, val);
59b47d8a 327 }
6bc80629 328 spin_unlock_irqrestore(&bp->indirect_lock, flags);
b6016b76
MC
329}
330
4edd473f
MC
331#ifdef BCM_CNIC
332static int
333bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
334{
335 struct bnx2 *bp = netdev_priv(dev);
336 struct drv_ctl_io *io = &info->data.io;
337
338 switch (info->cmd) {
339 case DRV_CTL_IO_WR_CMD:
340 bnx2_reg_wr_ind(bp, io->offset, io->data);
341 break;
342 case DRV_CTL_IO_RD_CMD:
343 io->data = bnx2_reg_rd_ind(bp, io->offset);
344 break;
345 case DRV_CTL_CTX_WR_CMD:
346 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
347 break;
348 default:
349 return -EINVAL;
350 }
351 return 0;
352}
353
354static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
355{
356 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
357 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
358 int sb_id;
359
360 if (bp->flags & BNX2_FLAG_USING_MSIX) {
361 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
362 bnapi->cnic_present = 0;
363 sb_id = bp->irq_nvecs;
364 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
365 } else {
366 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
367 bnapi->cnic_tag = bnapi->last_status_idx;
368 bnapi->cnic_present = 1;
369 sb_id = 0;
370 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
371 }
372
373 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
374 cp->irq_arr[0].status_blk = (void *)
375 ((unsigned long) bnapi->status_blk.msi +
376 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
377 cp->irq_arr[0].status_blk_num = sb_id;
378 cp->num_irq = 1;
379}
380
381static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
382 void *data)
383{
384 struct bnx2 *bp = netdev_priv(dev);
385 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
386
387 if (ops == NULL)
388 return -EINVAL;
389
390 if (cp->drv_state & CNIC_DRV_STATE_REGD)
391 return -EBUSY;
392
41c2178a
MC
393 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
394 return -ENODEV;
395
4edd473f
MC
396 bp->cnic_data = data;
397 rcu_assign_pointer(bp->cnic_ops, ops);
398
399 cp->num_irq = 0;
400 cp->drv_state = CNIC_DRV_STATE_REGD;
401
402 bnx2_setup_cnic_irq_info(bp);
403
404 return 0;
405}
406
407static int bnx2_unregister_cnic(struct net_device *dev)
408{
409 struct bnx2 *bp = netdev_priv(dev);
410 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
411 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
412
c5a88950 413 mutex_lock(&bp->cnic_lock);
4edd473f
MC
414 cp->drv_state = 0;
415 bnapi->cnic_present = 0;
2cfa5a04 416 RCU_INIT_POINTER(bp->cnic_ops, NULL);
c5a88950 417 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
418 synchronize_rcu();
419 return 0;
420}
421
61c2fc4b 422static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
4edd473f
MC
423{
424 struct bnx2 *bp = netdev_priv(dev);
425 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
426
7625eb2f
MC
427 if (!cp->max_iscsi_conn)
428 return NULL;
429
4edd473f
MC
430 cp->drv_owner = THIS_MODULE;
431 cp->chip_id = bp->chip_id;
432 cp->pdev = bp->pdev;
433 cp->io_base = bp->regview;
434 cp->drv_ctl = bnx2_drv_ctl;
435 cp->drv_register_cnic = bnx2_register_cnic;
436 cp->drv_unregister_cnic = bnx2_unregister_cnic;
437
438 return cp;
439}
4edd473f
MC
440
441static void
442bnx2_cnic_stop(struct bnx2 *bp)
443{
444 struct cnic_ops *c_ops;
445 struct cnic_ctl_info info;
446
c5a88950 447 mutex_lock(&bp->cnic_lock);
13707f9e
ED
448 c_ops = rcu_dereference_protected(bp->cnic_ops,
449 lockdep_is_held(&bp->cnic_lock));
4edd473f
MC
450 if (c_ops) {
451 info.cmd = CNIC_CTL_STOP_CMD;
452 c_ops->cnic_ctl(bp->cnic_data, &info);
453 }
c5a88950 454 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
455}
456
457static void
458bnx2_cnic_start(struct bnx2 *bp)
459{
460 struct cnic_ops *c_ops;
461 struct cnic_ctl_info info;
462
c5a88950 463 mutex_lock(&bp->cnic_lock);
13707f9e
ED
464 c_ops = rcu_dereference_protected(bp->cnic_ops,
465 lockdep_is_held(&bp->cnic_lock));
4edd473f
MC
466 if (c_ops) {
467 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
468 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
469
470 bnapi->cnic_tag = bnapi->last_status_idx;
471 }
472 info.cmd = CNIC_CTL_START_CMD;
473 c_ops->cnic_ctl(bp->cnic_data, &info);
474 }
c5a88950 475 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
476}
477
478#else
479
480static void
481bnx2_cnic_stop(struct bnx2 *bp)
482{
483}
484
485static void
486bnx2_cnic_start(struct bnx2 *bp)
487{
488}
489
490#endif
491
b6016b76
MC
492static int
493bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
494{
495 u32 val1;
496 int i, ret;
497
583c28e5 498 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 499 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
500 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
501
e503e066
MC
502 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
503 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
504
505 udelay(40);
506 }
507
508 val1 = (bp->phy_addr << 21) | (reg << 16) |
509 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
510 BNX2_EMAC_MDIO_COMM_START_BUSY;
e503e066 511 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
b6016b76
MC
512
513 for (i = 0; i < 50; i++) {
514 udelay(10);
515
e503e066 516 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
517 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
518 udelay(5);
519
e503e066 520 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
521 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
522
523 break;
524 }
525 }
526
527 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
528 *val = 0x0;
529 ret = -EBUSY;
530 }
531 else {
532 *val = val1;
533 ret = 0;
534 }
535
583c28e5 536 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 537 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
538 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
539
e503e066
MC
540 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
541 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
542
543 udelay(40);
544 }
545
546 return ret;
547}
548
549static int
550bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
551{
552 u32 val1;
553 int i, ret;
554
583c28e5 555 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 556 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
557 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
558
e503e066
MC
559 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
560 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
561
562 udelay(40);
563 }
564
565 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
566 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
567 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
e503e066 568 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
6aa20a22 569
b6016b76
MC
570 for (i = 0; i < 50; i++) {
571 udelay(10);
572
e503e066 573 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
574 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
575 udelay(5);
576 break;
577 }
578 }
579
580 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
581 ret = -EBUSY;
582 else
583 ret = 0;
584
583c28e5 585 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 586 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
587 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
588
e503e066
MC
589 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
590 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
591
592 udelay(40);
593 }
594
595 return ret;
596}
597
598static void
599bnx2_disable_int(struct bnx2 *bp)
600{
b4b36042
MC
601 int i;
602 struct bnx2_napi *bnapi;
603
604 for (i = 0; i < bp->irq_nvecs; i++) {
605 bnapi = &bp->bnx2_napi[i];
e503e066 606 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
b4b36042
MC
607 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
608 }
e503e066 609 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
b6016b76
MC
610}
611
612static void
613bnx2_enable_int(struct bnx2 *bp)
614{
b4b36042
MC
615 int i;
616 struct bnx2_napi *bnapi;
35efa7c1 617
b4b36042
MC
618 for (i = 0; i < bp->irq_nvecs; i++) {
619 bnapi = &bp->bnx2_napi[i];
1269a8a6 620
e503e066
MC
621 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
622 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
623 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
624 bnapi->last_status_idx);
b6016b76 625
e503e066
MC
626 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
627 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
628 bnapi->last_status_idx);
b4b36042 629 }
e503e066 630 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC
631}
632
633static void
634bnx2_disable_int_sync(struct bnx2 *bp)
635{
b4b36042
MC
636 int i;
637
b6016b76 638 atomic_inc(&bp->intr_sem);
3767546c
MC
639 if (!netif_running(bp->dev))
640 return;
641
b6016b76 642 bnx2_disable_int(bp);
b4b36042
MC
643 for (i = 0; i < bp->irq_nvecs; i++)
644 synchronize_irq(bp->irq_tbl[i].vector);
b6016b76
MC
645}
646
35efa7c1
MC
647static void
648bnx2_napi_disable(struct bnx2 *bp)
649{
b4b36042
MC
650 int i;
651
652 for (i = 0; i < bp->irq_nvecs; i++)
653 napi_disable(&bp->bnx2_napi[i].napi);
35efa7c1
MC
654}
655
656static void
657bnx2_napi_enable(struct bnx2 *bp)
658{
b4b36042
MC
659 int i;
660
661 for (i = 0; i < bp->irq_nvecs; i++)
662 napi_enable(&bp->bnx2_napi[i].napi);
35efa7c1
MC
663}
664
b6016b76 665static void
212f9934 666bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
b6016b76 667{
212f9934
MC
668 if (stop_cnic)
669 bnx2_cnic_stop(bp);
b6016b76 670 if (netif_running(bp->dev)) {
35efa7c1 671 bnx2_napi_disable(bp);
b6016b76 672 netif_tx_disable(bp->dev);
b6016b76 673 }
b7466560 674 bnx2_disable_int_sync(bp);
a0ba6760 675 netif_carrier_off(bp->dev); /* prevent tx timeout */
b6016b76
MC
676}
677
678static void
212f9934 679bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
b6016b76
MC
680{
681 if (atomic_dec_and_test(&bp->intr_sem)) {
682 if (netif_running(bp->dev)) {
706bf240 683 netif_tx_wake_all_queues(bp->dev);
a0ba6760
MC
684 spin_lock_bh(&bp->phy_lock);
685 if (bp->link_up)
686 netif_carrier_on(bp->dev);
687 spin_unlock_bh(&bp->phy_lock);
35efa7c1 688 bnx2_napi_enable(bp);
b6016b76 689 bnx2_enable_int(bp);
212f9934
MC
690 if (start_cnic)
691 bnx2_cnic_start(bp);
b6016b76
MC
692 }
693 }
694}
695
35e9010b
MC
696static void
697bnx2_free_tx_mem(struct bnx2 *bp)
698{
699 int i;
700
701 for (i = 0; i < bp->num_tx_rings; i++) {
702 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
703 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
704
705 if (txr->tx_desc_ring) {
36227e88
SG
706 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
707 txr->tx_desc_ring,
708 txr->tx_desc_mapping);
35e9010b
MC
709 txr->tx_desc_ring = NULL;
710 }
711 kfree(txr->tx_buf_ring);
712 txr->tx_buf_ring = NULL;
713 }
714}
715
bb4f98ab
MC
716static void
717bnx2_free_rx_mem(struct bnx2 *bp)
718{
719 int i;
720
721 for (i = 0; i < bp->num_rx_rings; i++) {
722 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
723 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
724 int j;
725
726 for (j = 0; j < bp->rx_max_ring; j++) {
727 if (rxr->rx_desc_ring[j])
36227e88
SG
728 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
729 rxr->rx_desc_ring[j],
730 rxr->rx_desc_mapping[j]);
bb4f98ab
MC
731 rxr->rx_desc_ring[j] = NULL;
732 }
25b0b999 733 vfree(rxr->rx_buf_ring);
bb4f98ab
MC
734 rxr->rx_buf_ring = NULL;
735
736 for (j = 0; j < bp->rx_max_pg_ring; j++) {
737 if (rxr->rx_pg_desc_ring[j])
36227e88
SG
738 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
739 rxr->rx_pg_desc_ring[j],
740 rxr->rx_pg_desc_mapping[j]);
3298a738 741 rxr->rx_pg_desc_ring[j] = NULL;
bb4f98ab 742 }
25b0b999 743 vfree(rxr->rx_pg_ring);
bb4f98ab
MC
744 rxr->rx_pg_ring = NULL;
745 }
746}
747
35e9010b
MC
748static int
749bnx2_alloc_tx_mem(struct bnx2 *bp)
750{
751 int i;
752
753 for (i = 0; i < bp->num_tx_rings; i++) {
754 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
755 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
756
757 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
758 if (txr->tx_buf_ring == NULL)
759 return -ENOMEM;
760
761 txr->tx_desc_ring =
36227e88
SG
762 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
763 &txr->tx_desc_mapping, GFP_KERNEL);
35e9010b
MC
764 if (txr->tx_desc_ring == NULL)
765 return -ENOMEM;
766 }
767 return 0;
768}
769
bb4f98ab
MC
770static int
771bnx2_alloc_rx_mem(struct bnx2 *bp)
772{
773 int i;
774
775 for (i = 0; i < bp->num_rx_rings; i++) {
776 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
777 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
778 int j;
779
780 rxr->rx_buf_ring =
89bf67f1 781 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
bb4f98ab
MC
782 if (rxr->rx_buf_ring == NULL)
783 return -ENOMEM;
784
bb4f98ab
MC
785 for (j = 0; j < bp->rx_max_ring; j++) {
786 rxr->rx_desc_ring[j] =
36227e88
SG
787 dma_alloc_coherent(&bp->pdev->dev,
788 RXBD_RING_SIZE,
789 &rxr->rx_desc_mapping[j],
790 GFP_KERNEL);
bb4f98ab
MC
791 if (rxr->rx_desc_ring[j] == NULL)
792 return -ENOMEM;
793
794 }
795
796 if (bp->rx_pg_ring_size) {
89bf67f1 797 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
bb4f98ab
MC
798 bp->rx_max_pg_ring);
799 if (rxr->rx_pg_ring == NULL)
800 return -ENOMEM;
801
bb4f98ab
MC
802 }
803
804 for (j = 0; j < bp->rx_max_pg_ring; j++) {
805 rxr->rx_pg_desc_ring[j] =
36227e88
SG
806 dma_alloc_coherent(&bp->pdev->dev,
807 RXBD_RING_SIZE,
808 &rxr->rx_pg_desc_mapping[j],
809 GFP_KERNEL);
bb4f98ab
MC
810 if (rxr->rx_pg_desc_ring[j] == NULL)
811 return -ENOMEM;
812
813 }
814 }
815 return 0;
816}
817
8fae307c 818static void
819bnx2_free_stats_blk(struct net_device *dev)
820{
821 struct bnx2 *bp = netdev_priv(dev);
822
823 if (bp->status_blk) {
824 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
825 bp->status_blk,
826 bp->status_blk_mapping);
827 bp->status_blk = NULL;
828 bp->stats_blk = NULL;
829 }
830}
831
832static int
833bnx2_alloc_stats_blk(struct net_device *dev)
834{
835 int status_blk_size;
836 void *status_blk;
837 struct bnx2 *bp = netdev_priv(dev);
838
839 /* Combine status and statistics blocks into one allocation. */
840 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
841 if (bp->flags & BNX2_FLAG_MSIX_CAP)
842 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
843 BNX2_SBLK_MSIX_ALIGN_SIZE);
844 bp->status_stats_size = status_blk_size +
845 sizeof(struct statistics_block);
846 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
847 &bp->status_blk_mapping, GFP_KERNEL);
848 if (status_blk == NULL)
849 return -ENOMEM;
850
851 bp->status_blk = status_blk;
852 bp->stats_blk = status_blk + status_blk_size;
853 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
854
855 return 0;
856}
857
b6016b76
MC
858static void
859bnx2_free_mem(struct bnx2 *bp)
860{
13daffa2 861 int i;
43e80b89 862 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
13daffa2 863
35e9010b 864 bnx2_free_tx_mem(bp);
bb4f98ab 865 bnx2_free_rx_mem(bp);
35e9010b 866
59b47d8a
MC
867 for (i = 0; i < bp->ctx_pages; i++) {
868 if (bp->ctx_blk[i]) {
2bc4078e 869 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
36227e88
SG
870 bp->ctx_blk[i],
871 bp->ctx_blk_mapping[i]);
59b47d8a
MC
872 bp->ctx_blk[i] = NULL;
873 }
874 }
8fae307c 875
876 if (bnapi->status_blk.msi)
43e80b89 877 bnapi->status_blk.msi = NULL;
b6016b76
MC
878}
879
880static int
881bnx2_alloc_mem(struct bnx2 *bp)
882{
8fae307c 883 int i, err;
43e80b89 884 struct bnx2_napi *bnapi;
b6016b76 885
43e80b89 886 bnapi = &bp->bnx2_napi[0];
8fae307c 887 bnapi->status_blk.msi = bp->status_blk;
43e80b89
MC
888 bnapi->hw_tx_cons_ptr =
889 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
890 bnapi->hw_rx_cons_ptr =
891 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
f86e82fb 892 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
379b39a2 893 for (i = 1; i < bp->irq_nvecs; i++) {
43e80b89
MC
894 struct status_block_msix *sblk;
895
896 bnapi = &bp->bnx2_napi[i];
b4b36042 897
8fae307c 898 sblk = (bp->status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
43e80b89
MC
899 bnapi->status_blk.msix = sblk;
900 bnapi->hw_tx_cons_ptr =
901 &sblk->status_tx_quick_consumer_index;
902 bnapi->hw_rx_cons_ptr =
903 &sblk->status_rx_quick_consumer_index;
b4b36042
MC
904 bnapi->int_num = i << 24;
905 }
906 }
35efa7c1 907
4ce45e02 908 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
2bc4078e 909 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
59b47d8a
MC
910 if (bp->ctx_pages == 0)
911 bp->ctx_pages = 1;
912 for (i = 0; i < bp->ctx_pages; i++) {
36227e88 913 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
2bc4078e 914 BNX2_PAGE_SIZE,
36227e88
SG
915 &bp->ctx_blk_mapping[i],
916 GFP_KERNEL);
59b47d8a
MC
917 if (bp->ctx_blk[i] == NULL)
918 goto alloc_mem_err;
919 }
920 }
35e9010b 921
bb4f98ab
MC
922 err = bnx2_alloc_rx_mem(bp);
923 if (err)
924 goto alloc_mem_err;
925
35e9010b
MC
926 err = bnx2_alloc_tx_mem(bp);
927 if (err)
928 goto alloc_mem_err;
929
b6016b76
MC
930 return 0;
931
932alloc_mem_err:
933 bnx2_free_mem(bp);
934 return -ENOMEM;
935}
936
e3648b3d
MC
937static void
938bnx2_report_fw_link(struct bnx2 *bp)
939{
940 u32 fw_link_status = 0;
941
583c28e5 942 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
943 return;
944
e3648b3d
MC
945 if (bp->link_up) {
946 u32 bmsr;
947
948 switch (bp->line_speed) {
949 case SPEED_10:
950 if (bp->duplex == DUPLEX_HALF)
951 fw_link_status = BNX2_LINK_STATUS_10HALF;
952 else
953 fw_link_status = BNX2_LINK_STATUS_10FULL;
954 break;
955 case SPEED_100:
956 if (bp->duplex == DUPLEX_HALF)
957 fw_link_status = BNX2_LINK_STATUS_100HALF;
958 else
959 fw_link_status = BNX2_LINK_STATUS_100FULL;
960 break;
961 case SPEED_1000:
962 if (bp->duplex == DUPLEX_HALF)
963 fw_link_status = BNX2_LINK_STATUS_1000HALF;
964 else
965 fw_link_status = BNX2_LINK_STATUS_1000FULL;
966 break;
967 case SPEED_2500:
968 if (bp->duplex == DUPLEX_HALF)
969 fw_link_status = BNX2_LINK_STATUS_2500HALF;
970 else
971 fw_link_status = BNX2_LINK_STATUS_2500FULL;
972 break;
973 }
974
975 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
976
977 if (bp->autoneg) {
978 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
979
ca58c3af
MC
980 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
981 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
e3648b3d
MC
982
983 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
583c28e5 984 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
e3648b3d
MC
985 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
986 else
987 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
988 }
989 }
990 else
991 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
992
2726d6e1 993 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
e3648b3d
MC
994}
995
9b1084b8
MC
996static char *
997bnx2_xceiver_str(struct bnx2 *bp)
998{
807540ba 999 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
583c28e5 1000 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
807540ba 1001 "Copper");
9b1084b8
MC
1002}
1003
b6016b76
MC
1004static void
1005bnx2_report_link(struct bnx2 *bp)
1006{
1007 if (bp->link_up) {
1008 netif_carrier_on(bp->dev);
3a9c6a49
JP
1009 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
1010 bnx2_xceiver_str(bp),
1011 bp->line_speed,
1012 bp->duplex == DUPLEX_FULL ? "full" : "half");
b6016b76
MC
1013
1014 if (bp->flow_ctrl) {
1015 if (bp->flow_ctrl & FLOW_CTRL_RX) {
3a9c6a49 1016 pr_cont(", receive ");
b6016b76 1017 if (bp->flow_ctrl & FLOW_CTRL_TX)
3a9c6a49 1018 pr_cont("& transmit ");
b6016b76
MC
1019 }
1020 else {
3a9c6a49 1021 pr_cont(", transmit ");
b6016b76 1022 }
3a9c6a49 1023 pr_cont("flow control ON");
b6016b76 1024 }
3a9c6a49
JP
1025 pr_cont("\n");
1026 } else {
b6016b76 1027 netif_carrier_off(bp->dev);
3a9c6a49
JP
1028 netdev_err(bp->dev, "NIC %s Link is Down\n",
1029 bnx2_xceiver_str(bp));
b6016b76 1030 }
e3648b3d
MC
1031
1032 bnx2_report_fw_link(bp);
b6016b76
MC
1033}
1034
1035static void
1036bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1037{
1038 u32 local_adv, remote_adv;
1039
1040 bp->flow_ctrl = 0;
6aa20a22 1041 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
b6016b76
MC
1042 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1043
1044 if (bp->duplex == DUPLEX_FULL) {
1045 bp->flow_ctrl = bp->req_flow_ctrl;
1046 }
1047 return;
1048 }
1049
1050 if (bp->duplex != DUPLEX_FULL) {
1051 return;
1052 }
1053
583c28e5 1054 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1055 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
5b0c76ad
MC
1056 u32 val;
1057
1058 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1059 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1060 bp->flow_ctrl |= FLOW_CTRL_TX;
1061 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1062 bp->flow_ctrl |= FLOW_CTRL_RX;
1063 return;
1064 }
1065
ca58c3af
MC
1066 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1067 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76 1068
583c28e5 1069 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1070 u32 new_local_adv = 0;
1071 u32 new_remote_adv = 0;
1072
1073 if (local_adv & ADVERTISE_1000XPAUSE)
1074 new_local_adv |= ADVERTISE_PAUSE_CAP;
1075 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1076 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1077 if (remote_adv & ADVERTISE_1000XPAUSE)
1078 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1079 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1080 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1081
1082 local_adv = new_local_adv;
1083 remote_adv = new_remote_adv;
1084 }
1085
1086 /* See Table 28B-3 of 802.3ab-1999 spec. */
1087 if (local_adv & ADVERTISE_PAUSE_CAP) {
1088 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1089 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1090 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1091 }
1092 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1093 bp->flow_ctrl = FLOW_CTRL_RX;
1094 }
1095 }
1096 else {
1097 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1098 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1099 }
1100 }
1101 }
1102 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1103 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1104 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1105
1106 bp->flow_ctrl = FLOW_CTRL_TX;
1107 }
1108 }
1109}
1110
27a005b8
MC
1111static int
1112bnx2_5709s_linkup(struct bnx2 *bp)
1113{
1114 u32 val, speed;
1115
1116 bp->link_up = 1;
1117
1118 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1119 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1120 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1121
1122 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1123 bp->line_speed = bp->req_line_speed;
1124 bp->duplex = bp->req_duplex;
1125 return 0;
1126 }
1127 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1128 switch (speed) {
1129 case MII_BNX2_GP_TOP_AN_SPEED_10:
1130 bp->line_speed = SPEED_10;
1131 break;
1132 case MII_BNX2_GP_TOP_AN_SPEED_100:
1133 bp->line_speed = SPEED_100;
1134 break;
1135 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1136 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1137 bp->line_speed = SPEED_1000;
1138 break;
1139 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1140 bp->line_speed = SPEED_2500;
1141 break;
1142 }
1143 if (val & MII_BNX2_GP_TOP_AN_FD)
1144 bp->duplex = DUPLEX_FULL;
1145 else
1146 bp->duplex = DUPLEX_HALF;
1147 return 0;
1148}
1149
b6016b76 1150static int
5b0c76ad
MC
1151bnx2_5708s_linkup(struct bnx2 *bp)
1152{
1153 u32 val;
1154
1155 bp->link_up = 1;
1156 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1157 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1158 case BCM5708S_1000X_STAT1_SPEED_10:
1159 bp->line_speed = SPEED_10;
1160 break;
1161 case BCM5708S_1000X_STAT1_SPEED_100:
1162 bp->line_speed = SPEED_100;
1163 break;
1164 case BCM5708S_1000X_STAT1_SPEED_1G:
1165 bp->line_speed = SPEED_1000;
1166 break;
1167 case BCM5708S_1000X_STAT1_SPEED_2G5:
1168 bp->line_speed = SPEED_2500;
1169 break;
1170 }
1171 if (val & BCM5708S_1000X_STAT1_FD)
1172 bp->duplex = DUPLEX_FULL;
1173 else
1174 bp->duplex = DUPLEX_HALF;
1175
1176 return 0;
1177}
1178
1179static int
1180bnx2_5706s_linkup(struct bnx2 *bp)
b6016b76
MC
1181{
1182 u32 bmcr, local_adv, remote_adv, common;
1183
1184 bp->link_up = 1;
1185 bp->line_speed = SPEED_1000;
1186
ca58c3af 1187 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1188 if (bmcr & BMCR_FULLDPLX) {
1189 bp->duplex = DUPLEX_FULL;
1190 }
1191 else {
1192 bp->duplex = DUPLEX_HALF;
1193 }
1194
1195 if (!(bmcr & BMCR_ANENABLE)) {
1196 return 0;
1197 }
1198
ca58c3af
MC
1199 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1200 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC
1201
1202 common = local_adv & remote_adv;
1203 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1204
1205 if (common & ADVERTISE_1000XFULL) {
1206 bp->duplex = DUPLEX_FULL;
1207 }
1208 else {
1209 bp->duplex = DUPLEX_HALF;
1210 }
1211 }
1212
1213 return 0;
1214}
1215
1216static int
1217bnx2_copper_linkup(struct bnx2 *bp)
1218{
1219 u32 bmcr;
1220
4016badd
MC
1221 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
1222
ca58c3af 1223 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1224 if (bmcr & BMCR_ANENABLE) {
1225 u32 local_adv, remote_adv, common;
1226
1227 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1228 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1229
1230 common = local_adv & (remote_adv >> 2);
1231 if (common & ADVERTISE_1000FULL) {
1232 bp->line_speed = SPEED_1000;
1233 bp->duplex = DUPLEX_FULL;
1234 }
1235 else if (common & ADVERTISE_1000HALF) {
1236 bp->line_speed = SPEED_1000;
1237 bp->duplex = DUPLEX_HALF;
1238 }
1239 else {
ca58c3af
MC
1240 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1241 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC
1242
1243 common = local_adv & remote_adv;
1244 if (common & ADVERTISE_100FULL) {
1245 bp->line_speed = SPEED_100;
1246 bp->duplex = DUPLEX_FULL;
1247 }
1248 else if (common & ADVERTISE_100HALF) {
1249 bp->line_speed = SPEED_100;
1250 bp->duplex = DUPLEX_HALF;
1251 }
1252 else if (common & ADVERTISE_10FULL) {
1253 bp->line_speed = SPEED_10;
1254 bp->duplex = DUPLEX_FULL;
1255 }
1256 else if (common & ADVERTISE_10HALF) {
1257 bp->line_speed = SPEED_10;
1258 bp->duplex = DUPLEX_HALF;
1259 }
1260 else {
1261 bp->line_speed = 0;
1262 bp->link_up = 0;
1263 }
1264 }
1265 }
1266 else {
1267 if (bmcr & BMCR_SPEED100) {
1268 bp->line_speed = SPEED_100;
1269 }
1270 else {
1271 bp->line_speed = SPEED_10;
1272 }
1273 if (bmcr & BMCR_FULLDPLX) {
1274 bp->duplex = DUPLEX_FULL;
1275 }
1276 else {
1277 bp->duplex = DUPLEX_HALF;
1278 }
1279 }
1280
4016badd
MC
1281 if (bp->link_up) {
1282 u32 ext_status;
1283
1284 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
1285 if (ext_status & EXT_STATUS_MDIX)
1286 bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
1287 }
1288
b6016b76
MC
1289 return 0;
1290}
1291
83e3fc89 1292static void
bb4f98ab 1293bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
83e3fc89 1294{
bb4f98ab 1295 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
83e3fc89
MC
1296
1297 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1298 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1299 val |= 0x02 << 8;
1300
22fa159d
MC
1301 if (bp->flow_ctrl & FLOW_CTRL_TX)
1302 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
83e3fc89 1303
83e3fc89
MC
1304 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1305}
1306
bb4f98ab
MC
1307static void
1308bnx2_init_all_rx_contexts(struct bnx2 *bp)
1309{
1310 int i;
1311 u32 cid;
1312
1313 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1314 if (i == 1)
1315 cid = RX_RSS_CID;
1316 bnx2_init_rx_context(bp, cid);
1317 }
1318}
1319
344478db 1320static void
b6016b76
MC
1321bnx2_set_mac_link(struct bnx2 *bp)
1322{
1323 u32 val;
1324
e503e066 1325 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
b6016b76
MC
1326 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1327 (bp->duplex == DUPLEX_HALF)) {
e503e066 1328 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
b6016b76
MC
1329 }
1330
1331 /* Configure the EMAC mode register. */
e503e066 1332 val = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
1333
1334 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
5b0c76ad 1335 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 1336 BNX2_EMAC_MODE_25G_MODE);
b6016b76
MC
1337
1338 if (bp->link_up) {
5b0c76ad
MC
1339 switch (bp->line_speed) {
1340 case SPEED_10:
4ce45e02 1341 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
59b47d8a 1342 val |= BNX2_EMAC_MODE_PORT_MII_10M;
5b0c76ad
MC
1343 break;
1344 }
1345 /* fall through */
1346 case SPEED_100:
1347 val |= BNX2_EMAC_MODE_PORT_MII;
1348 break;
1349 case SPEED_2500:
59b47d8a 1350 val |= BNX2_EMAC_MODE_25G_MODE;
5b0c76ad
MC
1351 /* fall through */
1352 case SPEED_1000:
1353 val |= BNX2_EMAC_MODE_PORT_GMII;
1354 break;
1355 }
b6016b76
MC
1356 }
1357 else {
1358 val |= BNX2_EMAC_MODE_PORT_GMII;
1359 }
1360
1361 /* Set the MAC to operate in the appropriate duplex mode. */
1362 if (bp->duplex == DUPLEX_HALF)
1363 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
e503e066 1364 BNX2_WR(bp, BNX2_EMAC_MODE, val);
b6016b76
MC
1365
1366 /* Enable/disable rx PAUSE. */
1367 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1368
1369 if (bp->flow_ctrl & FLOW_CTRL_RX)
1370 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
e503e066 1371 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
b6016b76
MC
1372
1373 /* Enable/disable tx PAUSE. */
e503e066 1374 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
b6016b76
MC
1375 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1376
1377 if (bp->flow_ctrl & FLOW_CTRL_TX)
1378 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
e503e066 1379 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
b6016b76
MC
1380
1381 /* Acknowledge the interrupt. */
e503e066 1382 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
b6016b76 1383
22fa159d 1384 bnx2_init_all_rx_contexts(bp);
b6016b76
MC
1385}
1386
27a005b8
MC
1387static void
1388bnx2_enable_bmsr1(struct bnx2 *bp)
1389{
583c28e5 1390 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1391 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
27a005b8
MC
1392 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1393 MII_BNX2_BLK_ADDR_GP_STATUS);
1394}
1395
1396static void
1397bnx2_disable_bmsr1(struct bnx2 *bp)
1398{
583c28e5 1399 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1400 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
27a005b8
MC
1401 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1402 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1403}
1404
605a9e20
MC
1405static int
1406bnx2_test_and_enable_2g5(struct bnx2 *bp)
1407{
1408 u32 up1;
1409 int ret = 1;
1410
583c28e5 1411 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1412 return 0;
1413
1414 if (bp->autoneg & AUTONEG_SPEED)
1415 bp->advertising |= ADVERTISED_2500baseX_Full;
1416
4ce45e02 1417 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1418 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1419
605a9e20
MC
1420 bnx2_read_phy(bp, bp->mii_up1, &up1);
1421 if (!(up1 & BCM5708S_UP1_2G5)) {
1422 up1 |= BCM5708S_UP1_2G5;
1423 bnx2_write_phy(bp, bp->mii_up1, up1);
1424 ret = 0;
1425 }
1426
4ce45e02 1427 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1428 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1429 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1430
605a9e20
MC
1431 return ret;
1432}
1433
1434static int
1435bnx2_test_and_disable_2g5(struct bnx2 *bp)
1436{
1437 u32 up1;
1438 int ret = 0;
1439
583c28e5 1440 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1441 return 0;
1442
4ce45e02 1443 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1444 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1445
605a9e20
MC
1446 bnx2_read_phy(bp, bp->mii_up1, &up1);
1447 if (up1 & BCM5708S_UP1_2G5) {
1448 up1 &= ~BCM5708S_UP1_2G5;
1449 bnx2_write_phy(bp, bp->mii_up1, up1);
1450 ret = 1;
1451 }
1452
4ce45e02 1453 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1454 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1455 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1456
605a9e20
MC
1457 return ret;
1458}
1459
1460static void
1461bnx2_enable_forced_2g5(struct bnx2 *bp)
1462{
cbd6890c
MC
1463 u32 uninitialized_var(bmcr);
1464 int err;
605a9e20 1465
583c28e5 1466 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1467 return;
1468
4ce45e02 1469 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1470 u32 val;
1471
1472 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1473 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC
1474 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1475 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1476 val |= MII_BNX2_SD_MISC1_FORCE |
1477 MII_BNX2_SD_MISC1_FORCE_2_5G;
1478 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1479 }
27a005b8
MC
1480
1481 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1482 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1483 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8 1484
4ce45e02 1485 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
cbd6890c
MC
1486 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1487 if (!err)
1488 bmcr |= BCM5708S_BMCR_FORCE_2500;
c7079857
ED
1489 } else {
1490 return;
605a9e20
MC
1491 }
1492
cbd6890c
MC
1493 if (err)
1494 return;
1495
605a9e20
MC
1496 if (bp->autoneg & AUTONEG_SPEED) {
1497 bmcr &= ~BMCR_ANENABLE;
1498 if (bp->req_duplex == DUPLEX_FULL)
1499 bmcr |= BMCR_FULLDPLX;
1500 }
1501 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1502}
1503
1504static void
1505bnx2_disable_forced_2g5(struct bnx2 *bp)
1506{
cbd6890c
MC
1507 u32 uninitialized_var(bmcr);
1508 int err;
605a9e20 1509
583c28e5 1510 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1511 return;
1512
4ce45e02 1513 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1514 u32 val;
1515
1516 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1517 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC
1518 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1519 val &= ~MII_BNX2_SD_MISC1_FORCE;
1520 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1521 }
27a005b8
MC
1522
1523 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1524 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1525 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8 1526
4ce45e02 1527 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
cbd6890c
MC
1528 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1529 if (!err)
1530 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
c7079857
ED
1531 } else {
1532 return;
605a9e20
MC
1533 }
1534
cbd6890c
MC
1535 if (err)
1536 return;
1537
605a9e20
MC
1538 if (bp->autoneg & AUTONEG_SPEED)
1539 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1540 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1541}
1542
b2fadeae
MC
1543static void
1544bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1545{
1546 u32 val;
1547
1548 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1549 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1550 if (start)
1551 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1552 else
1553 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1554}
1555
b6016b76
MC
1556static int
1557bnx2_set_link(struct bnx2 *bp)
1558{
1559 u32 bmsr;
1560 u8 link_up;
1561
80be4434 1562 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
b6016b76
MC
1563 bp->link_up = 1;
1564 return 0;
1565 }
1566
583c28e5 1567 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
1568 return 0;
1569
b6016b76
MC
1570 link_up = bp->link_up;
1571
27a005b8
MC
1572 bnx2_enable_bmsr1(bp);
1573 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1574 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1575 bnx2_disable_bmsr1(bp);
b6016b76 1576
583c28e5 1577 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1578 (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
a2724e25 1579 u32 val, an_dbg;
b6016b76 1580
583c28e5 1581 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
b2fadeae 1582 bnx2_5706s_force_link_dn(bp, 0);
583c28e5 1583 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
b2fadeae 1584 }
e503e066 1585 val = BNX2_RD(bp, BNX2_EMAC_STATUS);
a2724e25
MC
1586
1587 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1588 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1589 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1590
1591 if ((val & BNX2_EMAC_STATUS_LINK) &&
1592 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
b6016b76
MC
1593 bmsr |= BMSR_LSTATUS;
1594 else
1595 bmsr &= ~BMSR_LSTATUS;
1596 }
1597
1598 if (bmsr & BMSR_LSTATUS) {
1599 bp->link_up = 1;
1600
583c28e5 1601 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 1602 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
5b0c76ad 1603 bnx2_5706s_linkup(bp);
4ce45e02 1604 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
5b0c76ad 1605 bnx2_5708s_linkup(bp);
4ce45e02 1606 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8 1607 bnx2_5709s_linkup(bp);
b6016b76
MC
1608 }
1609 else {
1610 bnx2_copper_linkup(bp);
1611 }
1612 bnx2_resolve_flow_ctrl(bp);
1613 }
1614 else {
583c28e5 1615 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
605a9e20
MC
1616 (bp->autoneg & AUTONEG_SPEED))
1617 bnx2_disable_forced_2g5(bp);
b6016b76 1618
583c28e5 1619 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
b2fadeae
MC
1620 u32 bmcr;
1621
1622 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1623 bmcr |= BMCR_ANENABLE;
1624 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1625
583c28e5 1626 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b2fadeae 1627 }
b6016b76
MC
1628 bp->link_up = 0;
1629 }
1630
1631 if (bp->link_up != link_up) {
1632 bnx2_report_link(bp);
1633 }
1634
1635 bnx2_set_mac_link(bp);
1636
1637 return 0;
1638}
1639
1640static int
1641bnx2_reset_phy(struct bnx2 *bp)
1642{
1643 int i;
1644 u32 reg;
1645
ca58c3af 1646 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
b6016b76
MC
1647
1648#define PHY_RESET_MAX_WAIT 100
1649 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1650 udelay(10);
1651
ca58c3af 1652 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
b6016b76
MC
1653 if (!(reg & BMCR_RESET)) {
1654 udelay(20);
1655 break;
1656 }
1657 }
1658 if (i == PHY_RESET_MAX_WAIT) {
1659 return -EBUSY;
1660 }
1661 return 0;
1662}
1663
1664static u32
1665bnx2_phy_get_pause_adv(struct bnx2 *bp)
1666{
1667 u32 adv = 0;
1668
1669 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1670 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1671
583c28e5 1672 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1673 adv = ADVERTISE_1000XPAUSE;
1674 }
1675 else {
1676 adv = ADVERTISE_PAUSE_CAP;
1677 }
1678 }
1679 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
583c28e5 1680 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1681 adv = ADVERTISE_1000XPSE_ASYM;
1682 }
1683 else {
1684 adv = ADVERTISE_PAUSE_ASYM;
1685 }
1686 }
1687 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
583c28e5 1688 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1689 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1690 }
1691 else {
1692 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1693 }
1694 }
1695 return adv;
1696}
1697
a2f13890 1698static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
0d8a6571 1699
b6016b76 1700static int
0d8a6571 1701bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
1702__releases(&bp->phy_lock)
1703__acquires(&bp->phy_lock)
0d8a6571
MC
1704{
1705 u32 speed_arg = 0, pause_adv;
1706
1707 pause_adv = bnx2_phy_get_pause_adv(bp);
1708
1709 if (bp->autoneg & AUTONEG_SPEED) {
1710 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1711 if (bp->advertising & ADVERTISED_10baseT_Half)
1712 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1713 if (bp->advertising & ADVERTISED_10baseT_Full)
1714 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1715 if (bp->advertising & ADVERTISED_100baseT_Half)
1716 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1717 if (bp->advertising & ADVERTISED_100baseT_Full)
1718 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1719 if (bp->advertising & ADVERTISED_1000baseT_Full)
1720 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1721 if (bp->advertising & ADVERTISED_2500baseX_Full)
1722 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1723 } else {
1724 if (bp->req_line_speed == SPEED_2500)
1725 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1726 else if (bp->req_line_speed == SPEED_1000)
1727 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1728 else if (bp->req_line_speed == SPEED_100) {
1729 if (bp->req_duplex == DUPLEX_FULL)
1730 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1731 else
1732 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1733 } else if (bp->req_line_speed == SPEED_10) {
1734 if (bp->req_duplex == DUPLEX_FULL)
1735 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1736 else
1737 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1738 }
1739 }
1740
1741 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1742 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
c26736ec 1743 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
0d8a6571
MC
1744 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1745
1746 if (port == PORT_TP)
1747 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1748 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1749
2726d6e1 1750 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
0d8a6571
MC
1751
1752 spin_unlock_bh(&bp->phy_lock);
a2f13890 1753 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
0d8a6571
MC
1754 spin_lock_bh(&bp->phy_lock);
1755
1756 return 0;
1757}
1758
1759static int
1760bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
1761__releases(&bp->phy_lock)
1762__acquires(&bp->phy_lock)
b6016b76 1763{
605a9e20 1764 u32 adv, bmcr;
b6016b76
MC
1765 u32 new_adv = 0;
1766
583c28e5 1767 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
807540ba 1768 return bnx2_setup_remote_phy(bp, port);
0d8a6571 1769
b6016b76
MC
1770 if (!(bp->autoneg & AUTONEG_SPEED)) {
1771 u32 new_bmcr;
5b0c76ad
MC
1772 int force_link_down = 0;
1773
605a9e20
MC
1774 if (bp->req_line_speed == SPEED_2500) {
1775 if (!bnx2_test_and_enable_2g5(bp))
1776 force_link_down = 1;
1777 } else if (bp->req_line_speed == SPEED_1000) {
1778 if (bnx2_test_and_disable_2g5(bp))
1779 force_link_down = 1;
1780 }
ca58c3af 1781 bnx2_read_phy(bp, bp->mii_adv, &adv);
80be4434
MC
1782 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1783
ca58c3af 1784 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
605a9e20 1785 new_bmcr = bmcr & ~BMCR_ANENABLE;
80be4434 1786 new_bmcr |= BMCR_SPEED1000;
605a9e20 1787
4ce45e02 1788 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1789 if (bp->req_line_speed == SPEED_2500)
1790 bnx2_enable_forced_2g5(bp);
1791 else if (bp->req_line_speed == SPEED_1000) {
1792 bnx2_disable_forced_2g5(bp);
1793 new_bmcr &= ~0x2000;
1794 }
1795
4ce45e02 1796 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
605a9e20
MC
1797 if (bp->req_line_speed == SPEED_2500)
1798 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1799 else
1800 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
5b0c76ad
MC
1801 }
1802
b6016b76 1803 if (bp->req_duplex == DUPLEX_FULL) {
5b0c76ad 1804 adv |= ADVERTISE_1000XFULL;
b6016b76
MC
1805 new_bmcr |= BMCR_FULLDPLX;
1806 }
1807 else {
5b0c76ad 1808 adv |= ADVERTISE_1000XHALF;
b6016b76
MC
1809 new_bmcr &= ~BMCR_FULLDPLX;
1810 }
5b0c76ad 1811 if ((new_bmcr != bmcr) || (force_link_down)) {
b6016b76
MC
1812 /* Force a link down visible on the other side */
1813 if (bp->link_up) {
ca58c3af 1814 bnx2_write_phy(bp, bp->mii_adv, adv &
5b0c76ad
MC
1815 ~(ADVERTISE_1000XFULL |
1816 ADVERTISE_1000XHALF));
ca58c3af 1817 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
b6016b76
MC
1818 BMCR_ANRESTART | BMCR_ANENABLE);
1819
1820 bp->link_up = 0;
1821 netif_carrier_off(bp->dev);
ca58c3af 1822 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
80be4434 1823 bnx2_report_link(bp);
b6016b76 1824 }
ca58c3af
MC
1825 bnx2_write_phy(bp, bp->mii_adv, adv);
1826 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
605a9e20
MC
1827 } else {
1828 bnx2_resolve_flow_ctrl(bp);
1829 bnx2_set_mac_link(bp);
b6016b76
MC
1830 }
1831 return 0;
1832 }
1833
605a9e20 1834 bnx2_test_and_enable_2g5(bp);
5b0c76ad 1835
b6016b76
MC
1836 if (bp->advertising & ADVERTISED_1000baseT_Full)
1837 new_adv |= ADVERTISE_1000XFULL;
1838
1839 new_adv |= bnx2_phy_get_pause_adv(bp);
1840
ca58c3af
MC
1841 bnx2_read_phy(bp, bp->mii_adv, &adv);
1842 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1843
1844 bp->serdes_an_pending = 0;
1845 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1846 /* Force a link down visible on the other side */
1847 if (bp->link_up) {
ca58c3af 1848 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
80be4434
MC
1849 spin_unlock_bh(&bp->phy_lock);
1850 msleep(20);
1851 spin_lock_bh(&bp->phy_lock);
b6016b76
MC
1852 }
1853
ca58c3af
MC
1854 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1855 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
b6016b76 1856 BMCR_ANENABLE);
f8dd064e
MC
1857 /* Speed up link-up time when the link partner
1858 * does not autonegotiate which is very common
1859 * in blade servers. Some blade servers use
1860 * IPMI for kerboard input and it's important
1861 * to minimize link disruptions. Autoneg. involves
1862 * exchanging base pages plus 3 next pages and
1863 * normally completes in about 120 msec.
1864 */
40105c0b 1865 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC
1866 bp->serdes_an_pending = 1;
1867 mod_timer(&bp->timer, jiffies + bp->current_interval);
605a9e20
MC
1868 } else {
1869 bnx2_resolve_flow_ctrl(bp);
1870 bnx2_set_mac_link(bp);
b6016b76
MC
1871 }
1872
1873 return 0;
1874}
1875
1876#define ETHTOOL_ALL_FIBRE_SPEED \
583c28e5 1877 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
deaf391b
MC
1878 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1879 (ADVERTISED_1000baseT_Full)
b6016b76
MC
1880
1881#define ETHTOOL_ALL_COPPER_SPEED \
1882 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1883 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1884 ADVERTISED_1000baseT_Full)
1885
1886#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1887 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
6aa20a22 1888
b6016b76
MC
1889#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1890
0d8a6571
MC
1891static void
1892bnx2_set_default_remote_link(struct bnx2 *bp)
1893{
1894 u32 link;
1895
1896 if (bp->phy_port == PORT_TP)
2726d6e1 1897 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
0d8a6571 1898 else
2726d6e1 1899 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
0d8a6571
MC
1900
1901 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1902 bp->req_line_speed = 0;
1903 bp->autoneg |= AUTONEG_SPEED;
1904 bp->advertising = ADVERTISED_Autoneg;
1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1906 bp->advertising |= ADVERTISED_10baseT_Half;
1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1908 bp->advertising |= ADVERTISED_10baseT_Full;
1909 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1910 bp->advertising |= ADVERTISED_100baseT_Half;
1911 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1912 bp->advertising |= ADVERTISED_100baseT_Full;
1913 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1914 bp->advertising |= ADVERTISED_1000baseT_Full;
1915 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1916 bp->advertising |= ADVERTISED_2500baseX_Full;
1917 } else {
1918 bp->autoneg = 0;
1919 bp->advertising = 0;
1920 bp->req_duplex = DUPLEX_FULL;
1921 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1922 bp->req_line_speed = SPEED_10;
1923 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1924 bp->req_duplex = DUPLEX_HALF;
1925 }
1926 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1927 bp->req_line_speed = SPEED_100;
1928 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1929 bp->req_duplex = DUPLEX_HALF;
1930 }
1931 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1932 bp->req_line_speed = SPEED_1000;
1933 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1934 bp->req_line_speed = SPEED_2500;
1935 }
1936}
1937
deaf391b
MC
1938static void
1939bnx2_set_default_link(struct bnx2 *bp)
1940{
ab59859d
HH
1941 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1942 bnx2_set_default_remote_link(bp);
1943 return;
1944 }
0d8a6571 1945
deaf391b
MC
1946 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1947 bp->req_line_speed = 0;
583c28e5 1948 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
deaf391b
MC
1949 u32 reg;
1950
1951 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1952
2726d6e1 1953 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
deaf391b
MC
1954 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1955 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1956 bp->autoneg = 0;
1957 bp->req_line_speed = bp->line_speed = SPEED_1000;
1958 bp->req_duplex = DUPLEX_FULL;
1959 }
1960 } else
1961 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1962}
1963
df149d70
MC
1964static void
1965bnx2_send_heart_beat(struct bnx2 *bp)
1966{
1967 u32 msg;
1968 u32 addr;
1969
1970 spin_lock(&bp->indirect_lock);
1971 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1972 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
e503e066
MC
1973 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1974 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
df149d70
MC
1975 spin_unlock(&bp->indirect_lock);
1976}
1977
0d8a6571
MC
1978static void
1979bnx2_remote_phy_event(struct bnx2 *bp)
1980{
1981 u32 msg;
1982 u8 link_up = bp->link_up;
1983 u8 old_port;
1984
2726d6e1 1985 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
0d8a6571 1986
df149d70
MC
1987 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1988 bnx2_send_heart_beat(bp);
1989
1990 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1991
0d8a6571
MC
1992 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1993 bp->link_up = 0;
1994 else {
1995 u32 speed;
1996
1997 bp->link_up = 1;
1998 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1999 bp->duplex = DUPLEX_FULL;
2000 switch (speed) {
2001 case BNX2_LINK_STATUS_10HALF:
2002 bp->duplex = DUPLEX_HALF;
7947c9ce 2003 /* fall through */
0d8a6571
MC
2004 case BNX2_LINK_STATUS_10FULL:
2005 bp->line_speed = SPEED_10;
2006 break;
2007 case BNX2_LINK_STATUS_100HALF:
2008 bp->duplex = DUPLEX_HALF;
7947c9ce 2009 /* fall through */
0d8a6571
MC
2010 case BNX2_LINK_STATUS_100BASE_T4:
2011 case BNX2_LINK_STATUS_100FULL:
2012 bp->line_speed = SPEED_100;
2013 break;
2014 case BNX2_LINK_STATUS_1000HALF:
2015 bp->duplex = DUPLEX_HALF;
7947c9ce 2016 /* fall through */
0d8a6571
MC
2017 case BNX2_LINK_STATUS_1000FULL:
2018 bp->line_speed = SPEED_1000;
2019 break;
2020 case BNX2_LINK_STATUS_2500HALF:
2021 bp->duplex = DUPLEX_HALF;
7947c9ce 2022 /* fall through */
0d8a6571
MC
2023 case BNX2_LINK_STATUS_2500FULL:
2024 bp->line_speed = SPEED_2500;
2025 break;
2026 default:
2027 bp->line_speed = 0;
2028 break;
2029 }
2030
0d8a6571
MC
2031 bp->flow_ctrl = 0;
2032 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2033 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2034 if (bp->duplex == DUPLEX_FULL)
2035 bp->flow_ctrl = bp->req_flow_ctrl;
2036 } else {
2037 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2038 bp->flow_ctrl |= FLOW_CTRL_TX;
2039 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2040 bp->flow_ctrl |= FLOW_CTRL_RX;
2041 }
2042
2043 old_port = bp->phy_port;
2044 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2045 bp->phy_port = PORT_FIBRE;
2046 else
2047 bp->phy_port = PORT_TP;
2048
2049 if (old_port != bp->phy_port)
2050 bnx2_set_default_link(bp);
2051
0d8a6571
MC
2052 }
2053 if (bp->link_up != link_up)
2054 bnx2_report_link(bp);
2055
2056 bnx2_set_mac_link(bp);
2057}
2058
2059static int
2060bnx2_set_remote_link(struct bnx2 *bp)
2061{
2062 u32 evt_code;
2063
2726d6e1 2064 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
0d8a6571
MC
2065 switch (evt_code) {
2066 case BNX2_FW_EVT_CODE_LINK_EVENT:
2067 bnx2_remote_phy_event(bp);
2068 break;
2069 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2070 default:
df149d70 2071 bnx2_send_heart_beat(bp);
0d8a6571
MC
2072 break;
2073 }
2074 return 0;
2075}
2076
b6016b76
MC
2077static int
2078bnx2_setup_copper_phy(struct bnx2 *bp)
52d07b1f
HH
2079__releases(&bp->phy_lock)
2080__acquires(&bp->phy_lock)
b6016b76 2081{
d17e53bd 2082 u32 bmcr, adv_reg, new_adv = 0;
b6016b76
MC
2083 u32 new_bmcr;
2084
ca58c3af 2085 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 2086
d17e53bd
MC
2087 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2088 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2089 ADVERTISE_PAUSE_ASYM);
2090
2091 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
2092
b6016b76 2093 if (bp->autoneg & AUTONEG_SPEED) {
d17e53bd 2094 u32 adv1000_reg;
37f07023 2095 u32 new_adv1000 = 0;
b6016b76 2096
d17e53bd 2097 new_adv |= bnx2_phy_get_pause_adv(bp);
b6016b76
MC
2098
2099 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2100 adv1000_reg &= PHY_ALL_1000_SPEED;
2101
37f07023 2102 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
37f07023
MC
2103 if ((adv1000_reg != new_adv1000) ||
2104 (adv_reg != new_adv) ||
b6016b76
MC
2105 ((bmcr & BMCR_ANENABLE) == 0)) {
2106
37f07023
MC
2107 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2108 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
ca58c3af 2109 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
b6016b76
MC
2110 BMCR_ANENABLE);
2111 }
2112 else if (bp->link_up) {
2113 /* Flow ctrl may have changed from auto to forced */
2114 /* or vice-versa. */
2115
2116 bnx2_resolve_flow_ctrl(bp);
2117 bnx2_set_mac_link(bp);
2118 }
2119 return 0;
2120 }
2121
d17e53bd
MC
2122 /* advertise nothing when forcing speed */
2123 if (adv_reg != new_adv)
2124 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2125
b6016b76
MC
2126 new_bmcr = 0;
2127 if (bp->req_line_speed == SPEED_100) {
2128 new_bmcr |= BMCR_SPEED100;
2129 }
2130 if (bp->req_duplex == DUPLEX_FULL) {
2131 new_bmcr |= BMCR_FULLDPLX;
2132 }
2133 if (new_bmcr != bmcr) {
2134 u32 bmsr;
b6016b76 2135
ca58c3af
MC
2136 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2137 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
6aa20a22 2138
b6016b76
MC
2139 if (bmsr & BMSR_LSTATUS) {
2140 /* Force link down */
ca58c3af 2141 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
a16dda0e
MC
2142 spin_unlock_bh(&bp->phy_lock);
2143 msleep(50);
2144 spin_lock_bh(&bp->phy_lock);
2145
ca58c3af
MC
2146 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2147 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
b6016b76
MC
2148 }
2149
ca58c3af 2150 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
b6016b76
MC
2151
2152 /* Normally, the new speed is setup after the link has
2153 * gone down and up again. In some cases, link will not go
2154 * down so we need to set up the new speed here.
2155 */
2156 if (bmsr & BMSR_LSTATUS) {
2157 bp->line_speed = bp->req_line_speed;
2158 bp->duplex = bp->req_duplex;
2159 bnx2_resolve_flow_ctrl(bp);
2160 bnx2_set_mac_link(bp);
2161 }
27a005b8
MC
2162 } else {
2163 bnx2_resolve_flow_ctrl(bp);
2164 bnx2_set_mac_link(bp);
b6016b76
MC
2165 }
2166 return 0;
2167}
2168
2169static int
0d8a6571 2170bnx2_setup_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
2171__releases(&bp->phy_lock)
2172__acquires(&bp->phy_lock)
b6016b76
MC
2173{
2174 if (bp->loopback == MAC_LOOPBACK)
2175 return 0;
2176
583c28e5 2177 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
807540ba 2178 return bnx2_setup_serdes_phy(bp, port);
b6016b76
MC
2179 }
2180 else {
807540ba 2181 return bnx2_setup_copper_phy(bp);
b6016b76
MC
2182 }
2183}
2184
27a005b8 2185static int
9a120bc5 2186bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
27a005b8
MC
2187{
2188 u32 val;
2189
2190 bp->mii_bmcr = MII_BMCR + 0x10;
2191 bp->mii_bmsr = MII_BMSR + 0x10;
2192 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2193 bp->mii_adv = MII_ADVERTISE + 0x10;
2194 bp->mii_lpa = MII_LPA + 0x10;
2195 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2196
2197 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2198 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2199
2200 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
9a120bc5
MC
2201 if (reset_phy)
2202 bnx2_reset_phy(bp);
27a005b8
MC
2203
2204 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2205
2206 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2207 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2208 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2209 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2210
2211 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2212 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
583c28e5 2213 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
27a005b8
MC
2214 val |= BCM5708S_UP1_2G5;
2215 else
2216 val &= ~BCM5708S_UP1_2G5;
2217 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2218
2219 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2220 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2221 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2222 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2223
2224 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2225
2226 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2227 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2228 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2229
2230 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2231
2232 return 0;
2233}
2234
b6016b76 2235static int
9a120bc5 2236bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
5b0c76ad
MC
2237{
2238 u32 val;
2239
9a120bc5
MC
2240 if (reset_phy)
2241 bnx2_reset_phy(bp);
27a005b8
MC
2242
2243 bp->mii_up1 = BCM5708S_UP1;
2244
5b0c76ad
MC
2245 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2246 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2247 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2248
2249 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2250 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2251 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2252
2253 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2254 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2255 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2256
583c28e5 2257 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
5b0c76ad
MC
2258 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2259 val |= BCM5708S_UP1_2G5;
2260 bnx2_write_phy(bp, BCM5708S_UP1, val);
2261 }
2262
4ce45e02
MC
2263 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
2264 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
2265 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
5b0c76ad
MC
2266 /* increase tx signal amplitude */
2267 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2268 BCM5708S_BLK_ADDR_TX_MISC);
2269 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2270 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2271 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2272 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2273 }
2274
2726d6e1 2275 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
5b0c76ad
MC
2276 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2277
2278 if (val) {
2279 u32 is_backplane;
2280
2726d6e1 2281 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
5b0c76ad
MC
2282 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2283 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2284 BCM5708S_BLK_ADDR_TX_MISC);
2285 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2286 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2287 BCM5708S_BLK_ADDR_DIG);
2288 }
2289 }
2290 return 0;
2291}
2292
2293static int
9a120bc5 2294bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2295{
9a120bc5
MC
2296 if (reset_phy)
2297 bnx2_reset_phy(bp);
27a005b8 2298
583c28e5 2299 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b6016b76 2300
4ce45e02 2301 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
e503e066 2302 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
b6016b76 2303
e1c6dcca 2304 if (bp->dev->mtu > ETH_DATA_LEN) {
b6016b76
MC
2305 u32 val;
2306
2307 /* Set extended packet length bit */
2308 bnx2_write_phy(bp, 0x18, 0x7);
2309 bnx2_read_phy(bp, 0x18, &val);
2310 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2311
2312 bnx2_write_phy(bp, 0x1c, 0x6c00);
2313 bnx2_read_phy(bp, 0x1c, &val);
2314 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2315 }
2316 else {
2317 u32 val;
2318
2319 bnx2_write_phy(bp, 0x18, 0x7);
2320 bnx2_read_phy(bp, 0x18, &val);
2321 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2322
2323 bnx2_write_phy(bp, 0x1c, 0x6c00);
2324 bnx2_read_phy(bp, 0x1c, &val);
2325 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2326 }
2327
2328 return 0;
2329}
2330
2331static int
9a120bc5 2332bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2333{
5b0c76ad
MC
2334 u32 val;
2335
9a120bc5
MC
2336 if (reset_phy)
2337 bnx2_reset_phy(bp);
27a005b8 2338
583c28e5 2339 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
b6016b76
MC
2340 bnx2_write_phy(bp, 0x18, 0x0c00);
2341 bnx2_write_phy(bp, 0x17, 0x000a);
2342 bnx2_write_phy(bp, 0x15, 0x310b);
2343 bnx2_write_phy(bp, 0x17, 0x201f);
2344 bnx2_write_phy(bp, 0x15, 0x9506);
2345 bnx2_write_phy(bp, 0x17, 0x401f);
2346 bnx2_write_phy(bp, 0x15, 0x14e2);
2347 bnx2_write_phy(bp, 0x18, 0x0400);
2348 }
2349
583c28e5 2350 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
b659f44e
MC
2351 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2352 MII_BNX2_DSP_EXPAND_REG | 0x8);
2353 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2354 val &= ~(1 << 8);
2355 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2356 }
2357
e1c6dcca 2358 if (bp->dev->mtu > ETH_DATA_LEN) {
b6016b76
MC
2359 /* Set extended packet length bit */
2360 bnx2_write_phy(bp, 0x18, 0x7);
2361 bnx2_read_phy(bp, 0x18, &val);
2362 bnx2_write_phy(bp, 0x18, val | 0x4000);
2363
2364 bnx2_read_phy(bp, 0x10, &val);
2365 bnx2_write_phy(bp, 0x10, val | 0x1);
2366 }
2367 else {
b6016b76
MC
2368 bnx2_write_phy(bp, 0x18, 0x7);
2369 bnx2_read_phy(bp, 0x18, &val);
2370 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2371
2372 bnx2_read_phy(bp, 0x10, &val);
2373 bnx2_write_phy(bp, 0x10, val & ~0x1);
2374 }
2375
5b0c76ad 2376 /* ethernet@wirespeed */
41033b65
MC
2377 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
2378 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
2379 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
2380
2381 /* auto-mdix */
2382 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
2383 val |= AUX_CTL_MISC_CTL_AUTOMDIX;
2384
2385 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
b6016b76
MC
2386 return 0;
2387}
2388
2389
2390static int
9a120bc5 2391bnx2_init_phy(struct bnx2 *bp, int reset_phy)
52d07b1f
HH
2392__releases(&bp->phy_lock)
2393__acquires(&bp->phy_lock)
b6016b76
MC
2394{
2395 u32 val;
2396 int rc = 0;
2397
583c28e5
MC
2398 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2399 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
b6016b76 2400
ca58c3af
MC
2401 bp->mii_bmcr = MII_BMCR;
2402 bp->mii_bmsr = MII_BMSR;
27a005b8 2403 bp->mii_bmsr1 = MII_BMSR;
ca58c3af
MC
2404 bp->mii_adv = MII_ADVERTISE;
2405 bp->mii_lpa = MII_LPA;
2406
e503e066 2407 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
b6016b76 2408
583c28e5 2409 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
2410 goto setup_phy;
2411
b6016b76
MC
2412 bnx2_read_phy(bp, MII_PHYSID1, &val);
2413 bp->phy_id = val << 16;
2414 bnx2_read_phy(bp, MII_PHYSID2, &val);
2415 bp->phy_id |= val & 0xffff;
2416
583c28e5 2417 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 2418 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
9a120bc5 2419 rc = bnx2_init_5706s_phy(bp, reset_phy);
4ce45e02 2420 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
9a120bc5 2421 rc = bnx2_init_5708s_phy(bp, reset_phy);
4ce45e02 2422 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
9a120bc5 2423 rc = bnx2_init_5709s_phy(bp, reset_phy);
b6016b76
MC
2424 }
2425 else {
9a120bc5 2426 rc = bnx2_init_copper_phy(bp, reset_phy);
b6016b76
MC
2427 }
2428
0d8a6571
MC
2429setup_phy:
2430 if (!rc)
2431 rc = bnx2_setup_phy(bp, bp->phy_port);
b6016b76
MC
2432
2433 return rc;
2434}
2435
2436static int
2437bnx2_set_mac_loopback(struct bnx2 *bp)
2438{
2439 u32 mac_mode;
2440
e503e066 2441 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
2442 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2443 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
e503e066 2444 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
b6016b76
MC
2445 bp->link_up = 1;
2446 return 0;
2447}
2448
bc5a0690
MC
2449static int bnx2_test_link(struct bnx2 *);
2450
2451static int
2452bnx2_set_phy_loopback(struct bnx2 *bp)
2453{
2454 u32 mac_mode;
2455 int rc, i;
2456
2457 spin_lock_bh(&bp->phy_lock);
ca58c3af 2458 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
bc5a0690
MC
2459 BMCR_SPEED1000);
2460 spin_unlock_bh(&bp->phy_lock);
2461 if (rc)
2462 return rc;
2463
2464 for (i = 0; i < 10; i++) {
2465 if (bnx2_test_link(bp) == 0)
2466 break;
80be4434 2467 msleep(100);
bc5a0690
MC
2468 }
2469
e503e066 2470 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
bc5a0690
MC
2471 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2472 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 2473 BNX2_EMAC_MODE_25G_MODE);
bc5a0690
MC
2474
2475 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
e503e066 2476 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
bc5a0690
MC
2477 bp->link_up = 1;
2478 return 0;
2479}
2480
ecdbf6e0
JH
2481static void
2482bnx2_dump_mcp_state(struct bnx2 *bp)
2483{
2484 struct net_device *dev = bp->dev;
2485 u32 mcp_p0, mcp_p1;
2486
2487 netdev_err(dev, "<--- start MCP states dump --->\n");
4ce45e02 2488 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
ecdbf6e0
JH
2489 mcp_p0 = BNX2_MCP_STATE_P0;
2490 mcp_p1 = BNX2_MCP_STATE_P1;
2491 } else {
2492 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2493 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2494 }
2495 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2496 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2497 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2498 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2499 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2500 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2501 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2502 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2503 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2504 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2505 netdev_err(dev, "DEBUG: shmem states:\n");
2506 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2507 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2508 bnx2_shmem_rd(bp, BNX2_FW_MB),
2509 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2510 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2511 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2512 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2513 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2514 pr_cont(" condition[%08x]\n",
2515 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
13e63517 2516 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
ecdbf6e0
JH
2517 DP_SHMEM_LINE(bp, 0x3cc);
2518 DP_SHMEM_LINE(bp, 0x3dc);
2519 DP_SHMEM_LINE(bp, 0x3ec);
2520 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2521 netdev_err(dev, "<--- end MCP states dump --->\n");
2522}
2523
b6016b76 2524static int
a2f13890 2525bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
b6016b76
MC
2526{
2527 int i;
2528 u32 val;
2529
b6016b76
MC
2530 bp->fw_wr_seq++;
2531 msg_data |= bp->fw_wr_seq;
a8d9bc2e 2532 bp->fw_last_msg = msg_data;
b6016b76 2533
2726d6e1 2534 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76 2535
a2f13890
MC
2536 if (!ack)
2537 return 0;
2538
b6016b76 2539 /* wait for an acknowledgement. */
40105c0b 2540 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
b090ae2b 2541 msleep(10);
b6016b76 2542
2726d6e1 2543 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
b6016b76
MC
2544
2545 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2546 break;
2547 }
b090ae2b
MC
2548 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2549 return 0;
b6016b76
MC
2550
2551 /* If we timed out, inform the firmware that this is the case. */
b090ae2b 2552 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
b6016b76
MC
2553 msg_data &= ~BNX2_DRV_MSG_CODE;
2554 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2555
2726d6e1 2556 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
ecdbf6e0
JH
2557 if (!silent) {
2558 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2559 bnx2_dump_mcp_state(bp);
2560 }
b6016b76 2561
b6016b76
MC
2562 return -EBUSY;
2563 }
2564
b090ae2b
MC
2565 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2566 return -EIO;
2567
b6016b76
MC
2568 return 0;
2569}
2570
59b47d8a
MC
2571static int
2572bnx2_init_5709_context(struct bnx2 *bp)
2573{
2574 int i, ret = 0;
2575 u32 val;
2576
2577 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2bc4078e 2578 val |= (BNX2_PAGE_BITS - 8) << 16;
e503e066 2579 BNX2_WR(bp, BNX2_CTX_COMMAND, val);
641bdcd5 2580 for (i = 0; i < 10; i++) {
e503e066 2581 val = BNX2_RD(bp, BNX2_CTX_COMMAND);
641bdcd5
MC
2582 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2583 break;
2584 udelay(2);
2585 }
2586 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2587 return -EBUSY;
2588
59b47d8a
MC
2589 for (i = 0; i < bp->ctx_pages; i++) {
2590 int j;
2591
352f7687 2592 if (bp->ctx_blk[i])
2bc4078e 2593 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
352f7687
MC
2594 else
2595 return -ENOMEM;
2596
e503e066
MC
2597 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2598 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2599 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2600 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2601 (u64) bp->ctx_blk_mapping[i] >> 32);
2602 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2603 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
59b47d8a
MC
2604 for (j = 0; j < 10; j++) {
2605
e503e066 2606 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
59b47d8a
MC
2607 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2608 break;
2609 udelay(5);
2610 }
2611 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2612 ret = -EBUSY;
2613 break;
2614 }
2615 }
2616 return ret;
2617}
2618
b6016b76
MC
2619static void
2620bnx2_init_context(struct bnx2 *bp)
2621{
2622 u32 vcid;
2623
2624 vcid = 96;
2625 while (vcid) {
2626 u32 vcid_addr, pcid_addr, offset;
7947b20e 2627 int i;
b6016b76
MC
2628
2629 vcid--;
2630
4ce45e02 2631 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
2632 u32 new_vcid;
2633
2634 vcid_addr = GET_PCID_ADDR(vcid);
2635 if (vcid & 0x8) {
2636 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2637 }
2638 else {
2639 new_vcid = vcid;
2640 }
2641 pcid_addr = GET_PCID_ADDR(new_vcid);
2642 }
2643 else {
2644 vcid_addr = GET_CID_ADDR(vcid);
2645 pcid_addr = vcid_addr;
2646 }
2647
7947b20e
MC
2648 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2649 vcid_addr += (i << PHY_CTX_SHIFT);
2650 pcid_addr += (i << PHY_CTX_SHIFT);
b6016b76 2651
e503e066
MC
2652 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2653 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
b6016b76 2654
7947b20e
MC
2655 /* Zero out the context. */
2656 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
62a8313c 2657 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
7947b20e 2658 }
b6016b76
MC
2659 }
2660}
2661
2662static int
2663bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2664{
2665 u16 *good_mbuf;
2666 u32 good_mbuf_cnt;
2667 u32 val;
2668
2669 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
e404decb 2670 if (good_mbuf == NULL)
b6016b76 2671 return -ENOMEM;
b6016b76 2672
e503e066 2673 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
b6016b76
MC
2674 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2675
2676 good_mbuf_cnt = 0;
2677
2678 /* Allocate a bunch of mbufs and save the good ones in an array. */
2726d6e1 2679 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76 2680 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2726d6e1
MC
2681 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2682 BNX2_RBUF_COMMAND_ALLOC_REQ);
b6016b76 2683
2726d6e1 2684 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
b6016b76
MC
2685
2686 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2687
2688 /* The addresses with Bit 9 set are bad memory blocks. */
2689 if (!(val & (1 << 9))) {
2690 good_mbuf[good_mbuf_cnt] = (u16) val;
2691 good_mbuf_cnt++;
2692 }
2693
2726d6e1 2694 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76
MC
2695 }
2696
2697 /* Free the good ones back to the mbuf pool thus discarding
2698 * all the bad ones. */
2699 while (good_mbuf_cnt) {
2700 good_mbuf_cnt--;
2701
2702 val = good_mbuf[good_mbuf_cnt];
2703 val = (val << 9) | val | 1;
2704
2726d6e1 2705 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
b6016b76
MC
2706 }
2707 kfree(good_mbuf);
2708 return 0;
2709}
2710
2711static void
5fcaed01 2712bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
b6016b76
MC
2713{
2714 u32 val;
b6016b76
MC
2715
2716 val = (mac_addr[0] << 8) | mac_addr[1];
2717
e503e066 2718 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
b6016b76 2719
6aa20a22 2720 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
b6016b76
MC
2721 (mac_addr[4] << 8) | mac_addr[5];
2722
e503e066 2723 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
b6016b76
MC
2724}
2725
47bf4246 2726static inline int
a2df00aa 2727bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
47bf4246
MC
2728{
2729 dma_addr_t mapping;
2bc4078e
MC
2730 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2731 struct bnx2_rx_bd *rxbd =
2732 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
a2df00aa 2733 struct page *page = alloc_page(gfp);
47bf4246
MC
2734
2735 if (!page)
2736 return -ENOMEM;
36227e88 2737 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
47bf4246 2738 PCI_DMA_FROMDEVICE);
36227e88 2739 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
3d16af86
BL
2740 __free_page(page);
2741 return -EIO;
2742 }
2743
47bf4246 2744 rx_pg->page = page;
1a4ccc2d 2745 dma_unmap_addr_set(rx_pg, mapping, mapping);
47bf4246
MC
2746 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2747 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2748 return 0;
2749}
2750
2751static void
bb4f98ab 2752bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
47bf4246 2753{
2bc4078e 2754 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246
MC
2755 struct page *page = rx_pg->page;
2756
2757 if (!page)
2758 return;
2759
36227e88
SG
2760 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2761 PAGE_SIZE, PCI_DMA_FROMDEVICE);
47bf4246
MC
2762
2763 __free_page(page);
2764 rx_pg->page = NULL;
2765}
2766
b6016b76 2767static inline int
dd2bc8e9 2768bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
b6016b76 2769{
dd2bc8e9 2770 u8 *data;
2bc4078e 2771 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
b6016b76 2772 dma_addr_t mapping;
2bc4078e
MC
2773 struct bnx2_rx_bd *rxbd =
2774 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
b6016b76 2775
dd2bc8e9
ED
2776 data = kmalloc(bp->rx_buf_size, gfp);
2777 if (!data)
b6016b76 2778 return -ENOMEM;
b6016b76 2779
dd2bc8e9
ED
2780 mapping = dma_map_single(&bp->pdev->dev,
2781 get_l2_fhdr(data),
2782 bp->rx_buf_use_size,
36227e88
SG
2783 PCI_DMA_FROMDEVICE);
2784 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
dd2bc8e9 2785 kfree(data);
3d16af86
BL
2786 return -EIO;
2787 }
b6016b76 2788
dd2bc8e9 2789 rx_buf->data = data;
1a4ccc2d 2790 dma_unmap_addr_set(rx_buf, mapping, mapping);
b6016b76
MC
2791
2792 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2793 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2794
bb4f98ab 2795 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76
MC
2796
2797 return 0;
2798}
2799
da3e4fbe 2800static int
35efa7c1 2801bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
b6016b76 2802{
43e80b89 2803 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76 2804 u32 new_link_state, old_link_state;
da3e4fbe 2805 int is_set = 1;
b6016b76 2806
da3e4fbe
MC
2807 new_link_state = sblk->status_attn_bits & event;
2808 old_link_state = sblk->status_attn_bits_ack & event;
b6016b76 2809 if (new_link_state != old_link_state) {
da3e4fbe 2810 if (new_link_state)
e503e066 2811 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
da3e4fbe 2812 else
e503e066 2813 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
da3e4fbe
MC
2814 } else
2815 is_set = 0;
2816
2817 return is_set;
2818}
2819
2820static void
35efa7c1 2821bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
da3e4fbe 2822{
74ecc62d
MC
2823 spin_lock(&bp->phy_lock);
2824
2825 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
b6016b76 2826 bnx2_set_link(bp);
35efa7c1 2827 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
0d8a6571
MC
2828 bnx2_set_remote_link(bp);
2829
74ecc62d
MC
2830 spin_unlock(&bp->phy_lock);
2831
b6016b76
MC
2832}
2833
ead7270b 2834static inline u16
35efa7c1 2835bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
ead7270b
MC
2836{
2837 u16 cons;
2838
b668534c
ED
2839 cons = READ_ONCE(*bnapi->hw_tx_cons_ptr);
2840
2bc4078e 2841 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
ead7270b
MC
2842 cons++;
2843 return cons;
2844}
2845
57851d84
MC
2846static int
2847bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 2848{
35e9010b 2849 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
b6016b76 2850 u16 hw_cons, sw_cons, sw_ring_cons;
706bf240 2851 int tx_pkt = 0, index;
e9831909 2852 unsigned int tx_bytes = 0;
706bf240
BL
2853 struct netdev_queue *txq;
2854
2855 index = (bnapi - bp->bnx2_napi);
2856 txq = netdev_get_tx_queue(bp->dev, index);
b6016b76 2857
35efa7c1 2858 hw_cons = bnx2_get_hw_tx_cons(bnapi);
35e9010b 2859 sw_cons = txr->tx_cons;
b6016b76
MC
2860
2861 while (sw_cons != hw_cons) {
2bc4078e 2862 struct bnx2_sw_tx_bd *tx_buf;
b6016b76
MC
2863 struct sk_buff *skb;
2864 int i, last;
2865
2bc4078e 2866 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
b6016b76 2867
35e9010b 2868 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
b6016b76 2869 skb = tx_buf->skb;
1d39ed56 2870
d62fda08
ED
2871 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2872 prefetch(&skb->end);
2873
b6016b76 2874 /* partial BD completions possible with TSO packets */
d62fda08 2875 if (tx_buf->is_gso) {
b6016b76
MC
2876 u16 last_idx, last_ring_idx;
2877
d62fda08
ED
2878 last_idx = sw_cons + tx_buf->nr_frags + 1;
2879 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2bc4078e 2880 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
b6016b76
MC
2881 last_idx++;
2882 }
2883 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2884 break;
2885 }
2886 }
1d39ed56 2887
36227e88 2888 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7 2889 skb_headlen(skb), PCI_DMA_TODEVICE);
b6016b76
MC
2890
2891 tx_buf->skb = NULL;
d62fda08 2892 last = tx_buf->nr_frags;
b6016b76
MC
2893
2894 for (i = 0; i < last; i++) {
2bc4078e 2895 struct bnx2_sw_tx_bd *tx_buf;
e95524a7 2896
2bc4078e
MC
2897 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
2898
2899 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
36227e88 2900 dma_unmap_page(&bp->pdev->dev,
2bc4078e 2901 dma_unmap_addr(tx_buf, mapping),
9e903e08 2902 skb_frag_size(&skb_shinfo(skb)->frags[i]),
e95524a7 2903 PCI_DMA_TODEVICE);
b6016b76
MC
2904 }
2905
2bc4078e 2906 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
b6016b76 2907
e9831909 2908 tx_bytes += skb->len;
f458b2ee 2909 dev_kfree_skb_any(skb);
57851d84
MC
2910 tx_pkt++;
2911 if (tx_pkt == budget)
2912 break;
b6016b76 2913
d62fda08
ED
2914 if (hw_cons == sw_cons)
2915 hw_cons = bnx2_get_hw_tx_cons(bnapi);
b6016b76
MC
2916 }
2917
e9831909 2918 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
35e9010b
MC
2919 txr->hw_tx_cons = hw_cons;
2920 txr->tx_cons = sw_cons;
706bf240 2921
2f8af120 2922 /* Need to make the tx_cons update visible to bnx2_start_xmit()
706bf240 2923 * before checking for netif_tx_queue_stopped(). Without the
2f8af120
MC
2924 * memory barrier, there is a small possibility that bnx2_start_xmit()
2925 * will miss it and cause the queue to be stopped forever.
2926 */
2927 smp_mb();
b6016b76 2928
706bf240 2929 if (unlikely(netif_tx_queue_stopped(txq)) &&
35e9010b 2930 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
706bf240
BL
2931 __netif_tx_lock(txq, smp_processor_id());
2932 if ((netif_tx_queue_stopped(txq)) &&
35e9010b 2933 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
706bf240
BL
2934 netif_tx_wake_queue(txq);
2935 __netif_tx_unlock(txq);
b6016b76 2936 }
706bf240 2937
57851d84 2938 return tx_pkt;
b6016b76
MC
2939}
2940
1db82f2a 2941static void
bb4f98ab 2942bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
a1f60190 2943 struct sk_buff *skb, int count)
1db82f2a 2944{
2bc4078e
MC
2945 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
2946 struct bnx2_rx_bd *cons_bd, *prod_bd;
1db82f2a 2947 int i;
3d16af86 2948 u16 hw_prod, prod;
bb4f98ab 2949 u16 cons = rxr->rx_pg_cons;
1db82f2a 2950
3d16af86
BL
2951 cons_rx_pg = &rxr->rx_pg_ring[cons];
2952
2953 /* The caller was unable to allocate a new page to replace the
2954 * last one in the frags array, so we need to recycle that page
2955 * and then free the skb.
2956 */
2957 if (skb) {
2958 struct page *page;
2959 struct skb_shared_info *shinfo;
2960
2961 shinfo = skb_shinfo(skb);
2962 shinfo->nr_frags--;
b7b6a688
IC
2963 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2964 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
3d16af86
BL
2965
2966 cons_rx_pg->page = page;
2967 dev_kfree_skb(skb);
2968 }
2969
2970 hw_prod = rxr->rx_pg_prod;
2971
1db82f2a 2972 for (i = 0; i < count; i++) {
2bc4078e 2973 prod = BNX2_RX_PG_RING_IDX(hw_prod);
1db82f2a 2974
bb4f98ab
MC
2975 prod_rx_pg = &rxr->rx_pg_ring[prod];
2976 cons_rx_pg = &rxr->rx_pg_ring[cons];
2bc4078e
MC
2977 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
2978 [BNX2_RX_IDX(cons)];
2979 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
2980 [BNX2_RX_IDX(prod)];
1db82f2a 2981
1db82f2a
MC
2982 if (prod != cons) {
2983 prod_rx_pg->page = cons_rx_pg->page;
2984 cons_rx_pg->page = NULL;
1a4ccc2d
FT
2985 dma_unmap_addr_set(prod_rx_pg, mapping,
2986 dma_unmap_addr(cons_rx_pg, mapping));
1db82f2a
MC
2987
2988 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2989 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2990
2991 }
2bc4078e
MC
2992 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
2993 hw_prod = BNX2_NEXT_RX_BD(hw_prod);
1db82f2a 2994 }
bb4f98ab
MC
2995 rxr->rx_pg_prod = hw_prod;
2996 rxr->rx_pg_cons = cons;
1db82f2a
MC
2997}
2998
b6016b76 2999static inline void
dd2bc8e9
ED
3000bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
3001 u8 *data, u16 cons, u16 prod)
b6016b76 3002{
2bc4078e
MC
3003 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
3004 struct bnx2_rx_bd *cons_bd, *prod_bd;
236b6394 3005
bb4f98ab
MC
3006 cons_rx_buf = &rxr->rx_buf_ring[cons];
3007 prod_rx_buf = &rxr->rx_buf_ring[prod];
b6016b76 3008
36227e88 3009 dma_sync_single_for_device(&bp->pdev->dev,
1a4ccc2d 3010 dma_unmap_addr(cons_rx_buf, mapping),
601d3d18 3011 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
b6016b76 3012
bb4f98ab 3013 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76 3014
dd2bc8e9 3015 prod_rx_buf->data = data;
b6016b76 3016
236b6394
MC
3017 if (cons == prod)
3018 return;
b6016b76 3019
1a4ccc2d
FT
3020 dma_unmap_addr_set(prod_rx_buf, mapping,
3021 dma_unmap_addr(cons_rx_buf, mapping));
236b6394 3022
2bc4078e
MC
3023 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
3024 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
236b6394
MC
3025 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
3026 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
b6016b76
MC
3027}
3028
dd2bc8e9
ED
3029static struct sk_buff *
3030bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
a1f60190
MC
3031 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
3032 u32 ring_idx)
85833c62
MC
3033{
3034 int err;
3035 u16 prod = ring_idx & 0xffff;
dd2bc8e9 3036 struct sk_buff *skb;
85833c62 3037
dd2bc8e9 3038 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
85833c62 3039 if (unlikely(err)) {
dd2bc8e9
ED
3040 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
3041error:
1db82f2a
MC
3042 if (hdr_len) {
3043 unsigned int raw_len = len + 4;
3044 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3045
bb4f98ab 3046 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
1db82f2a 3047 }
dd2bc8e9 3048 return NULL;
85833c62
MC
3049 }
3050
36227e88 3051 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
85833c62 3052 PCI_DMA_FROMDEVICE);
d3836f21 3053 skb = build_skb(data, 0);
dd2bc8e9
ED
3054 if (!skb) {
3055 kfree(data);
3056 goto error;
3057 }
3058 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
1db82f2a
MC
3059 if (hdr_len == 0) {
3060 skb_put(skb, len);
dd2bc8e9 3061 return skb;
1db82f2a
MC
3062 } else {
3063 unsigned int i, frag_len, frag_size, pages;
2bc4078e 3064 struct bnx2_sw_pg *rx_pg;
bb4f98ab
MC
3065 u16 pg_cons = rxr->rx_pg_cons;
3066 u16 pg_prod = rxr->rx_pg_prod;
1db82f2a
MC
3067
3068 frag_size = len + 4 - hdr_len;
3069 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3070 skb_put(skb, hdr_len);
3071
3072 for (i = 0; i < pages; i++) {
3d16af86
BL
3073 dma_addr_t mapping_old;
3074
1db82f2a
MC
3075 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3076 if (unlikely(frag_len <= 4)) {
3077 unsigned int tail = 4 - frag_len;
3078
bb4f98ab
MC
3079 rxr->rx_pg_cons = pg_cons;
3080 rxr->rx_pg_prod = pg_prod;
3081 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
a1f60190 3082 pages - i);
1db82f2a
MC
3083 skb->len -= tail;
3084 if (i == 0) {
3085 skb->tail -= tail;
3086 } else {
3087 skb_frag_t *frag =
3088 &skb_shinfo(skb)->frags[i - 1];
9e903e08 3089 skb_frag_size_sub(frag, tail);
1db82f2a 3090 skb->data_len -= tail;
1db82f2a 3091 }
dd2bc8e9 3092 return skb;
1db82f2a 3093 }
bb4f98ab 3094 rx_pg = &rxr->rx_pg_ring[pg_cons];
1db82f2a 3095
3d16af86
BL
3096 /* Don't unmap yet. If we're unable to allocate a new
3097 * page, we need to recycle the page and the DMA addr.
3098 */
1a4ccc2d 3099 mapping_old = dma_unmap_addr(rx_pg, mapping);
1db82f2a
MC
3100 if (i == pages - 1)
3101 frag_len -= 4;
3102
3103 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3104 rx_pg->page = NULL;
3105
bb4f98ab 3106 err = bnx2_alloc_rx_page(bp, rxr,
2bc4078e 3107 BNX2_RX_PG_RING_IDX(pg_prod),
a2df00aa 3108 GFP_ATOMIC);
1db82f2a 3109 if (unlikely(err)) {
bb4f98ab
MC
3110 rxr->rx_pg_cons = pg_cons;
3111 rxr->rx_pg_prod = pg_prod;
3112 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
a1f60190 3113 pages - i);
dd2bc8e9 3114 return NULL;
1db82f2a
MC
3115 }
3116
36227e88 3117 dma_unmap_page(&bp->pdev->dev, mapping_old,
3d16af86
BL
3118 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3119
1db82f2a
MC
3120 frag_size -= frag_len;
3121 skb->data_len += frag_len;
a1f4e8bc 3122 skb->truesize += PAGE_SIZE;
1db82f2a
MC
3123 skb->len += frag_len;
3124
2bc4078e
MC
3125 pg_prod = BNX2_NEXT_RX_BD(pg_prod);
3126 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
1db82f2a 3127 }
bb4f98ab
MC
3128 rxr->rx_pg_prod = pg_prod;
3129 rxr->rx_pg_cons = pg_cons;
1db82f2a 3130 }
dd2bc8e9 3131 return skb;
85833c62
MC
3132}
3133
c09c2627 3134static inline u16
35efa7c1 3135bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
c09c2627 3136{
bb4f98ab
MC
3137 u16 cons;
3138
b668534c
ED
3139 cons = READ_ONCE(*bnapi->hw_rx_cons_ptr);
3140
2bc4078e 3141 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
c09c2627
MC
3142 cons++;
3143 return cons;
3144}
3145
b6016b76 3146static int
35efa7c1 3147bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 3148{
bb4f98ab 3149 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76
MC
3150 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3151 struct l2_fhdr *rx_hdr;
1db82f2a 3152 int rx_pkt = 0, pg_ring_used = 0;
b6016b76 3153
310c4d4e
EB
3154 if (budget <= 0)
3155 return rx_pkt;
3156
35efa7c1 3157 hw_cons = bnx2_get_hw_rx_cons(bnapi);
bb4f98ab
MC
3158 sw_cons = rxr->rx_cons;
3159 sw_prod = rxr->rx_prod;
b6016b76
MC
3160
3161 /* Memory barrier necessary as speculative reads of the rx
3162 * buffer can be ahead of the index in the status block
3163 */
3164 rmb();
3165 while (sw_cons != hw_cons) {
1db82f2a 3166 unsigned int len, hdr_len;
ade2bfe7 3167 u32 status;
2bc4078e 3168 struct bnx2_sw_bd *rx_buf, *next_rx_buf;
b6016b76 3169 struct sk_buff *skb;
236b6394 3170 dma_addr_t dma_addr;
dd2bc8e9 3171 u8 *data;
2bc4078e 3172 u16 next_ring_idx;
b6016b76 3173
2bc4078e
MC
3174 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
3175 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
b6016b76 3176
bb4f98ab 3177 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
dd2bc8e9
ED
3178 data = rx_buf->data;
3179 rx_buf->data = NULL;
aabef8b2 3180
dd2bc8e9
ED
3181 rx_hdr = get_l2_fhdr(data);
3182 prefetch(rx_hdr);
236b6394 3183
1a4ccc2d 3184 dma_addr = dma_unmap_addr(rx_buf, mapping);
236b6394 3185
36227e88 3186 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
601d3d18
BL
3187 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3188 PCI_DMA_FROMDEVICE);
b6016b76 3189
2bc4078e
MC
3190 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
3191 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
dd2bc8e9
ED
3192 prefetch(get_l2_fhdr(next_rx_buf->data));
3193
1db82f2a 3194 len = rx_hdr->l2_fhdr_pkt_len;
990ec380 3195 status = rx_hdr->l2_fhdr_status;
b6016b76 3196
1db82f2a
MC
3197 hdr_len = 0;
3198 if (status & L2_FHDR_STATUS_SPLIT) {
3199 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3200 pg_ring_used = 1;
3201 } else if (len > bp->rx_jumbo_thresh) {
3202 hdr_len = bp->rx_jumbo_thresh;
3203 pg_ring_used = 1;
3204 }
3205
990ec380
MC
3206 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3207 L2_FHDR_ERRORS_PHY_DECODE |
3208 L2_FHDR_ERRORS_ALIGNMENT |
3209 L2_FHDR_ERRORS_TOO_SHORT |
3210 L2_FHDR_ERRORS_GIANT_FRAME))) {
3211
dd2bc8e9 3212 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
990ec380
MC
3213 sw_ring_prod);
3214 if (pg_ring_used) {
3215 int pages;
3216
3217 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3218
3219 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3220 }
3221 goto next_rx;
3222 }
3223
1db82f2a 3224 len -= 4;
b6016b76 3225
5d5d0015 3226 if (len <= bp->rx_copy_thresh) {
dd2bc8e9
ED
3227 skb = netdev_alloc_skb(bp->dev, len + 6);
3228 if (skb == NULL) {
3229 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
85833c62
MC
3230 sw_ring_prod);
3231 goto next_rx;
3232 }
b6016b76
MC
3233
3234 /* aligned copy */
dd2bc8e9
ED
3235 memcpy(skb->data,
3236 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3237 len + 6);
3238 skb_reserve(skb, 6);
3239 skb_put(skb, len);
b6016b76 3240
dd2bc8e9 3241 bnx2_reuse_rx_data(bp, rxr, data,
b6016b76
MC
3242 sw_ring_cons, sw_ring_prod);
3243
dd2bc8e9
ED
3244 } else {
3245 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3246 (sw_ring_cons << 16) | sw_ring_prod);
3247 if (!skb)
3248 goto next_rx;
3249 }
f22828e8 3250 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
7d0fd211 3251 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
86a9bad3 3252 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
f22828e8 3253
b6016b76
MC
3254 skb->protocol = eth_type_trans(skb, bp->dev);
3255
1b0ecb28
VY
3256 if (len > (bp->dev->mtu + ETH_HLEN) &&
3257 skb->protocol != htons(0x8100) &&
3258 skb->protocol != htons(ETH_P_8021AD)) {
b6016b76 3259
745720e5 3260 dev_kfree_skb(skb);
b6016b76
MC
3261 goto next_rx;
3262
3263 }
3264
bc8acf2c 3265 skb_checksum_none_assert(skb);
8d7dfc2b 3266 if ((bp->dev->features & NETIF_F_RXCSUM) &&
b6016b76
MC
3267 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3268 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3269
ade2bfe7
MC
3270 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3271 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
b6016b76
MC
3272 skb->ip_summed = CHECKSUM_UNNECESSARY;
3273 }
fdc8541d
MC
3274 if ((bp->dev->features & NETIF_F_RXHASH) &&
3275 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3276 L2_FHDR_STATUS_USE_RXHASH))
cf1bfd6a
TH
3277 skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
3278 PKT_HASH_TYPE_L3);
b6016b76 3279
0c8dfc83 3280 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
7d0fd211 3281 napi_gro_receive(&bnapi->napi, skb);
b6016b76
MC
3282 rx_pkt++;
3283
3284next_rx:
2bc4078e
MC
3285 sw_cons = BNX2_NEXT_RX_BD(sw_cons);
3286 sw_prod = BNX2_NEXT_RX_BD(sw_prod);
b6016b76
MC
3287
3288 if ((rx_pkt == budget))
3289 break;
f4e418f7
MC
3290
3291 /* Refresh hw_cons to see if there is new work */
3292 if (sw_cons == hw_cons) {
35efa7c1 3293 hw_cons = bnx2_get_hw_rx_cons(bnapi);
f4e418f7
MC
3294 rmb();
3295 }
b6016b76 3296 }
bb4f98ab
MC
3297 rxr->rx_cons = sw_cons;
3298 rxr->rx_prod = sw_prod;
b6016b76 3299
1db82f2a 3300 if (pg_ring_used)
e503e066 3301 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
1db82f2a 3302
e503e066 3303 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
b6016b76 3304
e503e066 3305 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC
3306
3307 mmiowb();
3308
3309 return rx_pkt;
3310
3311}
3312
3313/* MSI ISR - The only difference between this and the INTx ISR
3314 * is that the MSI interrupt is always serviced.
3315 */
3316static irqreturn_t
7d12e780 3317bnx2_msi(int irq, void *dev_instance)
b6016b76 3318{
f0ea2e63
MC
3319 struct bnx2_napi *bnapi = dev_instance;
3320 struct bnx2 *bp = bnapi->bp;
b6016b76 3321
43e80b89 3322 prefetch(bnapi->status_blk.msi);
e503e066 3323 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
b6016b76
MC
3324 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3325 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3326
3327 /* Return here if interrupt is disabled. */
73eef4cd
MC
3328 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3329 return IRQ_HANDLED;
b6016b76 3330
288379f0 3331 napi_schedule(&bnapi->napi);
b6016b76 3332
73eef4cd 3333 return IRQ_HANDLED;
b6016b76
MC
3334}
3335
8e6a72c4
MC
3336static irqreturn_t
3337bnx2_msi_1shot(int irq, void *dev_instance)
3338{
f0ea2e63
MC
3339 struct bnx2_napi *bnapi = dev_instance;
3340 struct bnx2 *bp = bnapi->bp;
8e6a72c4 3341
43e80b89 3342 prefetch(bnapi->status_blk.msi);
8e6a72c4
MC
3343
3344 /* Return here if interrupt is disabled. */
3345 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3346 return IRQ_HANDLED;
3347
288379f0 3348 napi_schedule(&bnapi->napi);
8e6a72c4
MC
3349
3350 return IRQ_HANDLED;
3351}
3352
b6016b76 3353static irqreturn_t
7d12e780 3354bnx2_interrupt(int irq, void *dev_instance)
b6016b76 3355{
f0ea2e63
MC
3356 struct bnx2_napi *bnapi = dev_instance;
3357 struct bnx2 *bp = bnapi->bp;
43e80b89 3358 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76
MC
3359
3360 /* When using INTx, it is possible for the interrupt to arrive
3361 * at the CPU before the status block posted prior to the
3362 * interrupt. Reading a register will flush the status block.
3363 * When using MSI, the MSI message will always complete after
3364 * the status block write.
3365 */
35efa7c1 3366 if ((sblk->status_idx == bnapi->last_status_idx) &&
e503e066 3367 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
b6016b76 3368 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
73eef4cd 3369 return IRQ_NONE;
b6016b76 3370
e503e066 3371 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
b6016b76
MC
3372 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3373 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3374
b8a7ce7b
MC
3375 /* Read back to deassert IRQ immediately to avoid too many
3376 * spurious interrupts.
3377 */
e503e066 3378 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
b8a7ce7b 3379
b6016b76 3380 /* Return here if interrupt is shared and is disabled. */
73eef4cd
MC
3381 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3382 return IRQ_HANDLED;
b6016b76 3383
288379f0 3384 if (napi_schedule_prep(&bnapi->napi)) {
35efa7c1 3385 bnapi->last_status_idx = sblk->status_idx;
288379f0 3386 __napi_schedule(&bnapi->napi);
b8a7ce7b 3387 }
b6016b76 3388
73eef4cd 3389 return IRQ_HANDLED;
b6016b76
MC
3390}
3391
f4e418f7 3392static inline int
43e80b89 3393bnx2_has_fast_work(struct bnx2_napi *bnapi)
f4e418f7 3394{
35e9010b 3395 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 3396 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
f4e418f7 3397
bb4f98ab 3398 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
35e9010b 3399 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
f4e418f7 3400 return 1;
43e80b89
MC
3401 return 0;
3402}
3403
3404#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3405 STATUS_ATTN_BITS_TIMER_ABORT)
3406
3407static inline int
3408bnx2_has_work(struct bnx2_napi *bnapi)
3409{
3410 struct status_block *sblk = bnapi->status_blk.msi;
3411
3412 if (bnx2_has_fast_work(bnapi))
3413 return 1;
f4e418f7 3414
4edd473f
MC
3415#ifdef BCM_CNIC
3416 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3417 return 1;
3418#endif
3419
da3e4fbe
MC
3420 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3421 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
f4e418f7
MC
3422 return 1;
3423
3424 return 0;
3425}
3426
efba0180
MC
3427static void
3428bnx2_chk_missed_msi(struct bnx2 *bp)
3429{
3430 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3431 u32 msi_ctrl;
3432
3433 if (bnx2_has_work(bnapi)) {
e503e066 3434 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
efba0180
MC
3435 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3436 return;
3437
3438 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
e503e066
MC
3439 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3440 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3441 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
efba0180
MC
3442 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3443 }
3444 }
3445
3446 bp->idle_chk_status_idx = bnapi->last_status_idx;
3447}
3448
4edd473f
MC
3449#ifdef BCM_CNIC
3450static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3451{
3452 struct cnic_ops *c_ops;
3453
3454 if (!bnapi->cnic_present)
3455 return;
3456
3457 rcu_read_lock();
3458 c_ops = rcu_dereference(bp->cnic_ops);
3459 if (c_ops)
3460 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3461 bnapi->status_blk.msi);
3462 rcu_read_unlock();
3463}
3464#endif
3465
43e80b89 3466static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
b6016b76 3467{
43e80b89 3468 struct status_block *sblk = bnapi->status_blk.msi;
da3e4fbe
MC
3469 u32 status_attn_bits = sblk->status_attn_bits;
3470 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
b6016b76 3471
da3e4fbe
MC
3472 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3473 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
b6016b76 3474
35efa7c1 3475 bnx2_phy_int(bp, bnapi);
bf5295bb
MC
3476
3477 /* This is needed to take care of transient status
3478 * during link changes.
3479 */
e503e066
MC
3480 BNX2_WR(bp, BNX2_HC_COMMAND,
3481 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3482 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76 3483 }
43e80b89
MC
3484}
3485
3486static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3487 int work_done, int budget)
3488{
3489 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3490 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76 3491
35e9010b 3492 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
57851d84 3493 bnx2_tx_int(bp, bnapi, 0);
b6016b76 3494
bb4f98ab 3495 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
35efa7c1 3496 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
6aa20a22 3497
6f535763
DM
3498 return work_done;
3499}
3500
f0ea2e63
MC
3501static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3502{
3503 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3504 struct bnx2 *bp = bnapi->bp;
3505 int work_done = 0;
3506 struct status_block_msix *sblk = bnapi->status_blk.msix;
3507
3508 while (1) {
3509 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3510 if (unlikely(work_done >= budget))
3511 break;
3512
3513 bnapi->last_status_idx = sblk->status_idx;
3514 /* status idx must be read before checking for more work. */
3515 rmb();
3516 if (likely(!bnx2_has_fast_work(bnapi))) {
3517
6ad20165 3518 napi_complete_done(napi, work_done);
e503e066
MC
3519 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3520 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3521 bnapi->last_status_idx);
f0ea2e63
MC
3522 break;
3523 }
3524 }
3525 return work_done;
3526}
3527
6f535763
DM
3528static int bnx2_poll(struct napi_struct *napi, int budget)
3529{
35efa7c1
MC
3530 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3531 struct bnx2 *bp = bnapi->bp;
6f535763 3532 int work_done = 0;
43e80b89 3533 struct status_block *sblk = bnapi->status_blk.msi;
6f535763
DM
3534
3535 while (1) {
43e80b89
MC
3536 bnx2_poll_link(bp, bnapi);
3537
35efa7c1 3538 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
f4e418f7 3539
4edd473f
MC
3540#ifdef BCM_CNIC
3541 bnx2_poll_cnic(bp, bnapi);
3542#endif
3543
35efa7c1 3544 /* bnapi->last_status_idx is used below to tell the hw how
6dee6421
MC
3545 * much work has been processed, so we must read it before
3546 * checking for more work.
3547 */
35efa7c1 3548 bnapi->last_status_idx = sblk->status_idx;
efba0180
MC
3549
3550 if (unlikely(work_done >= budget))
3551 break;
3552
6dee6421 3553 rmb();
35efa7c1 3554 if (likely(!bnx2_has_work(bnapi))) {
6ad20165 3555 napi_complete_done(napi, work_done);
f86e82fb 3556 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
e503e066
MC
3557 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3558 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3559 bnapi->last_status_idx);
6dee6421 3560 break;
6f535763 3561 }
e503e066
MC
3562 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3563 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3564 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3565 bnapi->last_status_idx);
3566
3567 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3568 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3569 bnapi->last_status_idx);
6f535763
DM
3570 break;
3571 }
b6016b76
MC
3572 }
3573
bea3348e 3574 return work_done;
b6016b76
MC
3575}
3576
932ff279 3577/* Called with rtnl_lock from vlan functions and also netif_tx_lock
b6016b76
MC
3578 * from set_multicast.
3579 */
3580static void
3581bnx2_set_rx_mode(struct net_device *dev)
3582{
972ec0d4 3583 struct bnx2 *bp = netdev_priv(dev);
b6016b76 3584 u32 rx_mode, sort_mode;
ccffad25 3585 struct netdev_hw_addr *ha;
b6016b76 3586 int i;
b6016b76 3587
9f52b564
MC
3588 if (!netif_running(dev))
3589 return;
3590
c770a65c 3591 spin_lock_bh(&bp->phy_lock);
b6016b76
MC
3592
3593 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3594 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3595 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
f646968f 3596 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
7d0fd211 3597 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
b6016b76 3598 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76
MC
3599 if (dev->flags & IFF_PROMISC) {
3600 /* Promiscuous mode. */
3601 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
7510873d
MC
3602 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3603 BNX2_RPM_SORT_USER0_PROM_VLAN;
b6016b76
MC
3604 }
3605 else if (dev->flags & IFF_ALLMULTI) {
3606 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
e503e066
MC
3607 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3608 0xffffffff);
b6016b76
MC
3609 }
3610 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3611 }
3612 else {
3613 /* Accept one or more multicast(s). */
b6016b76
MC
3614 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3615 u32 regidx;
3616 u32 bit;
3617 u32 crc;
3618
3619 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3620
22bedad3
JP
3621 netdev_for_each_mc_addr(ha, dev) {
3622 crc = ether_crc_le(ETH_ALEN, ha->addr);
b6016b76
MC
3623 bit = crc & 0xff;
3624 regidx = (bit & 0xe0) >> 5;
3625 bit &= 0x1f;
3626 mc_filter[regidx] |= (1 << bit);
3627 }
3628
3629 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
e503e066
MC
3630 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3631 mc_filter[i]);
b6016b76
MC
3632 }
3633
3634 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3635 }
3636
32e7bfc4 3637 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
5fcaed01
BL
3638 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3639 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3640 BNX2_RPM_SORT_USER0_PROM_VLAN;
3641 } else if (!(dev->flags & IFF_PROMISC)) {
5fcaed01 3642 /* Add all entries into to the match filter list */
ccffad25 3643 i = 0;
32e7bfc4 3644 netdev_for_each_uc_addr(ha, dev) {
ccffad25 3645 bnx2_set_mac_addr(bp, ha->addr,
5fcaed01
BL
3646 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3647 sort_mode |= (1 <<
3648 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
ccffad25 3649 i++;
5fcaed01
BL
3650 }
3651
3652 }
3653
b6016b76
MC
3654 if (rx_mode != bp->rx_mode) {
3655 bp->rx_mode = rx_mode;
e503e066 3656 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
b6016b76
MC
3657 }
3658
e503e066
MC
3659 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3660 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3661 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
b6016b76 3662
c770a65c 3663 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
3664}
3665
7880b72e 3666static int
57579f76
MC
3667check_fw_section(const struct firmware *fw,
3668 const struct bnx2_fw_file_section *section,
3669 u32 alignment, bool non_empty)
3670{
3671 u32 offset = be32_to_cpu(section->offset);
3672 u32 len = be32_to_cpu(section->len);
3673
3674 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3675 return -EINVAL;
3676 if ((non_empty && len == 0) || len > fw->size - offset ||
3677 len & (alignment - 1))
3678 return -EINVAL;
3679 return 0;
3680}
3681
7880b72e 3682static int
57579f76
MC
3683check_mips_fw_entry(const struct firmware *fw,
3684 const struct bnx2_mips_fw_file_entry *entry)
3685{
3686 if (check_fw_section(fw, &entry->text, 4, true) ||
3687 check_fw_section(fw, &entry->data, 4, false) ||
3688 check_fw_section(fw, &entry->rodata, 4, false))
3689 return -EINVAL;
3690 return 0;
3691}
3692
7880b72e 3693static void bnx2_release_firmware(struct bnx2 *bp)
3694{
3695 if (bp->rv2p_firmware) {
3696 release_firmware(bp->mips_firmware);
3697 release_firmware(bp->rv2p_firmware);
3698 bp->rv2p_firmware = NULL;
3699 }
3700}
3701
3702static int bnx2_request_uncached_firmware(struct bnx2 *bp)
b6016b76 3703{
57579f76 3704 const char *mips_fw_file, *rv2p_fw_file;
5ee1c326
BB
3705 const struct bnx2_mips_fw_file *mips_fw;
3706 const struct bnx2_rv2p_fw_file *rv2p_fw;
57579f76
MC
3707 int rc;
3708
4ce45e02 3709 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
57579f76 3710 mips_fw_file = FW_MIPS_FILE_09;
4ce45e02
MC
3711 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
3712 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
078b0735
MC
3713 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3714 else
3715 rv2p_fw_file = FW_RV2P_FILE_09;
57579f76
MC
3716 } else {
3717 mips_fw_file = FW_MIPS_FILE_06;
3718 rv2p_fw_file = FW_RV2P_FILE_06;
3719 }
3720
3721 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3722 if (rc) {
3a9c6a49 3723 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
7880b72e 3724 goto out;
57579f76
MC
3725 }
3726
3727 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3728 if (rc) {
3a9c6a49 3729 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
7880b72e 3730 goto err_release_mips_firmware;
57579f76 3731 }
5ee1c326
BB
3732 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3733 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3734 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3735 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3736 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3737 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3738 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3739 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3a9c6a49 3740 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
7880b72e 3741 rc = -EINVAL;
3742 goto err_release_firmware;
57579f76 3743 }
5ee1c326
BB
3744 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3745 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3746 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3a9c6a49 3747 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
7880b72e 3748 rc = -EINVAL;
3749 goto err_release_firmware;
57579f76 3750 }
7880b72e 3751out:
3752 return rc;
57579f76 3753
7880b72e 3754err_release_firmware:
3755 release_firmware(bp->rv2p_firmware);
3756 bp->rv2p_firmware = NULL;
3757err_release_mips_firmware:
3758 release_firmware(bp->mips_firmware);
3759 goto out;
3760}
3761
3762static int bnx2_request_firmware(struct bnx2 *bp)
3763{
3764 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
57579f76
MC
3765}
3766
3767static u32
3768rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3769{
3770 switch (idx) {
3771 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3772 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3773 rv2p_code |= RV2P_BD_PAGE_SIZE;
3774 break;
3775 }
3776 return rv2p_code;
3777}
3778
3779static int
3780load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3781 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3782{
3783 u32 rv2p_code_len, file_offset;
3784 __be32 *rv2p_code;
b6016b76 3785 int i;
57579f76
MC
3786 u32 val, cmd, addr;
3787
3788 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3789 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3790
3791 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
b6016b76 3792
57579f76
MC
3793 if (rv2p_proc == RV2P_PROC1) {
3794 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3795 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3796 } else {
3797 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3798 addr = BNX2_RV2P_PROC2_ADDR_CMD;
d25be1d3 3799 }
b6016b76
MC
3800
3801 for (i = 0; i < rv2p_code_len; i += 8) {
e503e066 3802 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
b6016b76 3803 rv2p_code++;
e503e066 3804 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
b6016b76
MC
3805 rv2p_code++;
3806
57579f76 3807 val = (i / 8) | cmd;
e503e066 3808 BNX2_WR(bp, addr, val);
57579f76
MC
3809 }
3810
3811 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3812 for (i = 0; i < 8; i++) {
3813 u32 loc, code;
3814
3815 loc = be32_to_cpu(fw_entry->fixup[i]);
3816 if (loc && ((loc * 4) < rv2p_code_len)) {
3817 code = be32_to_cpu(*(rv2p_code + loc - 1));
e503e066 3818 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
57579f76
MC
3819 code = be32_to_cpu(*(rv2p_code + loc));
3820 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
e503e066 3821 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
57579f76
MC
3822
3823 val = (loc / 2) | cmd;
e503e066 3824 BNX2_WR(bp, addr, val);
b6016b76
MC
3825 }
3826 }
3827
3828 /* Reset the processor, un-stall is done later. */
3829 if (rv2p_proc == RV2P_PROC1) {
e503e066 3830 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
b6016b76
MC
3831 }
3832 else {
e503e066 3833 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
b6016b76 3834 }
57579f76
MC
3835
3836 return 0;
b6016b76
MC
3837}
3838
af3ee519 3839static int
57579f76
MC
3840load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3841 const struct bnx2_mips_fw_file_entry *fw_entry)
b6016b76 3842{
57579f76
MC
3843 u32 addr, len, file_offset;
3844 __be32 *data;
b6016b76
MC
3845 u32 offset;
3846 u32 val;
3847
3848 /* Halt the CPU. */
2726d6e1 3849 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3850 val |= cpu_reg->mode_value_halt;
2726d6e1
MC
3851 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3852 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
b6016b76
MC
3853
3854 /* Load the Text area. */
57579f76
MC
3855 addr = be32_to_cpu(fw_entry->text.addr);
3856 len = be32_to_cpu(fw_entry->text.len);
3857 file_offset = be32_to_cpu(fw_entry->text.offset);
3858 data = (__be32 *)(bp->mips_firmware->data + file_offset);
ea1f8d5c 3859
57579f76
MC
3860 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3861 if (len) {
b6016b76
MC
3862 int j;
3863
57579f76
MC
3864 for (j = 0; j < (len / 4); j++, offset += 4)
3865 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3866 }
3867
57579f76
MC
3868 /* Load the Data area. */
3869 addr = be32_to_cpu(fw_entry->data.addr);
3870 len = be32_to_cpu(fw_entry->data.len);
3871 file_offset = be32_to_cpu(fw_entry->data.offset);
3872 data = (__be32 *)(bp->mips_firmware->data + file_offset);
b6016b76 3873
57579f76
MC
3874 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3875 if (len) {
b6016b76
MC
3876 int j;
3877
57579f76
MC
3878 for (j = 0; j < (len / 4); j++, offset += 4)
3879 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3880 }
3881
3882 /* Load the Read-Only area. */
57579f76
MC
3883 addr = be32_to_cpu(fw_entry->rodata.addr);
3884 len = be32_to_cpu(fw_entry->rodata.len);
3885 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3886 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3887
3888 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3889 if (len) {
b6016b76
MC
3890 int j;
3891
57579f76
MC
3892 for (j = 0; j < (len / 4); j++, offset += 4)
3893 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3894 }
3895
3896 /* Clear the pre-fetch instruction. */
2726d6e1 3897 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
57579f76
MC
3898
3899 val = be32_to_cpu(fw_entry->start_addr);
3900 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
b6016b76
MC
3901
3902 /* Start the CPU. */
2726d6e1 3903 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3904 val &= ~cpu_reg->mode_value_halt;
2726d6e1
MC
3905 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3906 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
af3ee519
MC
3907
3908 return 0;
b6016b76
MC
3909}
3910
fba9fe91 3911static int
b6016b76
MC
3912bnx2_init_cpus(struct bnx2 *bp)
3913{
57579f76
MC
3914 const struct bnx2_mips_fw_file *mips_fw =
3915 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3916 const struct bnx2_rv2p_fw_file *rv2p_fw =
3917 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3918 int rc;
b6016b76
MC
3919
3920 /* Initialize the RV2P processor. */
57579f76
MC
3921 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3922 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
b6016b76
MC
3923
3924 /* Initialize the RX Processor. */
57579f76 3925 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
fba9fe91
MC
3926 if (rc)
3927 goto init_cpu_err;
3928
b6016b76 3929 /* Initialize the TX Processor. */
57579f76 3930 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
fba9fe91
MC
3931 if (rc)
3932 goto init_cpu_err;
3933
b6016b76 3934 /* Initialize the TX Patch-up Processor. */
57579f76 3935 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
fba9fe91
MC
3936 if (rc)
3937 goto init_cpu_err;
3938
b6016b76 3939 /* Initialize the Completion Processor. */
57579f76 3940 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
fba9fe91
MC
3941 if (rc)
3942 goto init_cpu_err;
3943
d43584c8 3944 /* Initialize the Command Processor. */
57579f76 3945 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
b6016b76 3946
fba9fe91 3947init_cpu_err:
fba9fe91 3948 return rc;
b6016b76
MC
3949}
3950
b6a23e91
MC
3951static void
3952bnx2_setup_wol(struct bnx2 *bp)
3953{
3954 int i;
3955 u32 val, wol_msg;
3956
3957 if (bp->wol) {
3958 u32 advertising;
3959 u8 autoneg;
3960
3961 autoneg = bp->autoneg;
3962 advertising = bp->advertising;
3963
3964 if (bp->phy_port == PORT_TP) {
3965 bp->autoneg = AUTONEG_SPEED;
3966 bp->advertising = ADVERTISED_10baseT_Half |
3967 ADVERTISED_10baseT_Full |
3968 ADVERTISED_100baseT_Half |
3969 ADVERTISED_100baseT_Full |
3970 ADVERTISED_Autoneg;
3971 }
3972
3973 spin_lock_bh(&bp->phy_lock);
3974 bnx2_setup_phy(bp, bp->phy_port);
3975 spin_unlock_bh(&bp->phy_lock);
3976
3977 bp->autoneg = autoneg;
3978 bp->advertising = advertising;
3979
3980 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3981
3982 val = BNX2_RD(bp, BNX2_EMAC_MODE);
3983
3984 /* Enable port mode. */
3985 val &= ~BNX2_EMAC_MODE_PORT;
3986 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3987 BNX2_EMAC_MODE_ACPI_RCVD |
3988 BNX2_EMAC_MODE_MPKT;
3989 if (bp->phy_port == PORT_TP) {
3990 val |= BNX2_EMAC_MODE_PORT_MII;
3991 } else {
3992 val |= BNX2_EMAC_MODE_PORT_GMII;
3993 if (bp->line_speed == SPEED_2500)
3994 val |= BNX2_EMAC_MODE_25G_MODE;
3995 }
3996
3997 BNX2_WR(bp, BNX2_EMAC_MODE, val);
3998
3999 /* receive all multicast */
4000 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
4001 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
4002 0xffffffff);
4003 }
4004 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
4005
4006 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
4007 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
4008 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
4009 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
4010
4011 /* Need to enable EMAC and RPM for WOL. */
4012 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4013 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
4014 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
4015 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
4016
4017 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
4018 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
4019 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
4020
4021 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4022 } else {
4023 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4024 }
4025
a8d9bc2e
MC
4026 if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
4027 u32 val;
4028
4029 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
4030 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
4031 bnx2_fw_sync(bp, wol_msg, 1, 0);
4032 return;
4033 }
4034 /* Tell firmware not to power down the PHY yet, otherwise
4035 * the chip will take a long time to respond to MMIO reads.
4036 */
4037 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
4038 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
4039 val | BNX2_PORT_FEATURE_ASF_ENABLED);
4040 bnx2_fw_sync(bp, wol_msg, 1, 0);
4041 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
4042 }
b6a23e91
MC
4043
4044}
4045
b6016b76 4046static int
829ca9a3 4047bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
b6016b76 4048{
b6016b76 4049 switch (state) {
829ca9a3 4050 case PCI_D0: {
b6016b76
MC
4051 u32 val;
4052
6d5e85c7
MC
4053 pci_enable_wake(bp->pdev, PCI_D0, false);
4054 pci_set_power_state(bp->pdev, PCI_D0);
b6016b76 4055
e503e066 4056 val = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
4057 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
4058 val &= ~BNX2_EMAC_MODE_MPKT;
e503e066 4059 BNX2_WR(bp, BNX2_EMAC_MODE, val);
b6016b76 4060
e503e066 4061 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
b6016b76 4062 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
e503e066 4063 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
b6016b76
MC
4064 break;
4065 }
829ca9a3 4066 case PCI_D3hot: {
b6a23e91 4067 bnx2_setup_wol(bp);
6d5e85c7 4068 pci_wake_from_d3(bp->pdev, bp->wol);
4ce45e02
MC
4069 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4070 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
b6016b76
MC
4071
4072 if (bp->wol)
6d5e85c7 4073 pci_set_power_state(bp->pdev, PCI_D3hot);
a8d9bc2e
MC
4074 break;
4075
4076 }
4077 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4078 u32 val;
4079
4080 /* Tell firmware not to power down the PHY yet,
4081 * otherwise the other port may not respond to
4082 * MMIO reads.
4083 */
4084 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
4085 val &= ~BNX2_CONDITION_PM_STATE_MASK;
4086 val |= BNX2_CONDITION_PM_STATE_UNPREP;
4087 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
b6016b76 4088 }
a8d9bc2e 4089 pci_set_power_state(bp->pdev, PCI_D3hot);
b6016b76
MC
4090
4091 /* No more memory access after this point until
4092 * device is brought back to D0.
4093 */
b6016b76
MC
4094 break;
4095 }
4096 default:
4097 return -EINVAL;
4098 }
4099 return 0;
4100}
4101
4102static int
4103bnx2_acquire_nvram_lock(struct bnx2 *bp)
4104{
4105 u32 val;
4106 int j;
4107
4108 /* Request access to the flash interface. */
e503e066 4109 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
b6016b76 4110 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
e503e066 4111 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
b6016b76
MC
4112 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4113 break;
4114
4115 udelay(5);
4116 }
4117
4118 if (j >= NVRAM_TIMEOUT_COUNT)
4119 return -EBUSY;
4120
4121 return 0;
4122}
4123
4124static int
4125bnx2_release_nvram_lock(struct bnx2 *bp)
4126{
4127 int j;
4128 u32 val;
4129
4130 /* Relinquish nvram interface. */
e503e066 4131 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
b6016b76
MC
4132
4133 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
e503e066 4134 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
b6016b76
MC
4135 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4136 break;
4137
4138 udelay(5);
4139 }
4140
4141 if (j >= NVRAM_TIMEOUT_COUNT)
4142 return -EBUSY;
4143
4144 return 0;
4145}
4146
4147
4148static int
4149bnx2_enable_nvram_write(struct bnx2 *bp)
4150{
4151 u32 val;
4152
e503e066
MC
4153 val = BNX2_RD(bp, BNX2_MISC_CFG);
4154 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
b6016b76 4155
e30372c9 4156 if (bp->flash_info->flags & BNX2_NV_WREN) {
b6016b76
MC
4157 int j;
4158
e503e066
MC
4159 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4160 BNX2_WR(bp, BNX2_NVM_COMMAND,
4161 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
b6016b76
MC
4162
4163 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4164 udelay(5);
4165
e503e066 4166 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76
MC
4167 if (val & BNX2_NVM_COMMAND_DONE)
4168 break;
4169 }
4170
4171 if (j >= NVRAM_TIMEOUT_COUNT)
4172 return -EBUSY;
4173 }
4174 return 0;
4175}
4176
4177static void
4178bnx2_disable_nvram_write(struct bnx2 *bp)
4179{
4180 u32 val;
4181
e503e066
MC
4182 val = BNX2_RD(bp, BNX2_MISC_CFG);
4183 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
b6016b76
MC
4184}
4185
4186
4187static void
4188bnx2_enable_nvram_access(struct bnx2 *bp)
4189{
4190 u32 val;
4191
e503e066 4192 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
b6016b76 4193 /* Enable both bits, even on read. */
e503e066
MC
4194 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4195 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
b6016b76
MC
4196}
4197
4198static void
4199bnx2_disable_nvram_access(struct bnx2 *bp)
4200{
4201 u32 val;
4202
e503e066 4203 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
b6016b76 4204 /* Disable both bits, even after read. */
e503e066 4205 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC
4206 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4207 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4208}
4209
4210static int
4211bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4212{
4213 u32 cmd;
4214 int j;
4215
e30372c9 4216 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
b6016b76
MC
4217 /* Buffered flash, no erase needed */
4218 return 0;
4219
4220 /* Build an erase command */
4221 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4222 BNX2_NVM_COMMAND_DOIT;
4223
4224 /* Need to clear DONE bit separately. */
e503e066 4225 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4226
4227 /* Address of the NVRAM to read from. */
e503e066 4228 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4229
4230 /* Issue an erase command. */
e503e066 4231 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4232
4233 /* Wait for completion. */
4234 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4235 u32 val;
4236
4237 udelay(5);
4238
e503e066 4239 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76
MC
4240 if (val & BNX2_NVM_COMMAND_DONE)
4241 break;
4242 }
4243
4244 if (j >= NVRAM_TIMEOUT_COUNT)
4245 return -EBUSY;
4246
4247 return 0;
4248}
4249
4250static int
4251bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4252{
4253 u32 cmd;
4254 int j;
4255
4256 /* Build the command word. */
4257 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4258
e30372c9
MC
4259 /* Calculate an offset of a buffered flash, not needed for 5709. */
4260 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC
4261 offset = ((offset / bp->flash_info->page_size) <<
4262 bp->flash_info->page_bits) +
4263 (offset % bp->flash_info->page_size);
4264 }
4265
4266 /* Need to clear DONE bit separately. */
e503e066 4267 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4268
4269 /* Address of the NVRAM to read from. */
e503e066 4270 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4271
4272 /* Issue a read command. */
e503e066 4273 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4274
4275 /* Wait for completion. */
4276 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4277 u32 val;
4278
4279 udelay(5);
4280
e503e066 4281 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76 4282 if (val & BNX2_NVM_COMMAND_DONE) {
e503e066 4283 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
b491edd5 4284 memcpy(ret_val, &v, 4);
b6016b76
MC
4285 break;
4286 }
4287 }
4288 if (j >= NVRAM_TIMEOUT_COUNT)
4289 return -EBUSY;
4290
4291 return 0;
4292}
4293
4294
4295static int
4296bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4297{
b491edd5
AV
4298 u32 cmd;
4299 __be32 val32;
b6016b76
MC
4300 int j;
4301
4302 /* Build the command word. */
4303 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4304
e30372c9
MC
4305 /* Calculate an offset of a buffered flash, not needed for 5709. */
4306 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC
4307 offset = ((offset / bp->flash_info->page_size) <<
4308 bp->flash_info->page_bits) +
4309 (offset % bp->flash_info->page_size);
4310 }
4311
4312 /* Need to clear DONE bit separately. */
e503e066 4313 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4314
4315 memcpy(&val32, val, 4);
b6016b76
MC
4316
4317 /* Write the data. */
e503e066 4318 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
b6016b76
MC
4319
4320 /* Address of the NVRAM to write to. */
e503e066 4321 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4322
4323 /* Issue the write command. */
e503e066 4324 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4325
4326 /* Wait for completion. */
4327 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4328 udelay(5);
4329
e503e066 4330 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
b6016b76
MC
4331 break;
4332 }
4333 if (j >= NVRAM_TIMEOUT_COUNT)
4334 return -EBUSY;
4335
4336 return 0;
4337}
4338
4339static int
4340bnx2_init_nvram(struct bnx2 *bp)
4341{
4342 u32 val;
e30372c9 4343 int j, entry_count, rc = 0;
0ced9d01 4344 const struct flash_spec *flash;
b6016b76 4345
4ce45e02 4346 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e30372c9
MC
4347 bp->flash_info = &flash_5709;
4348 goto get_flash_size;
4349 }
4350
b6016b76 4351 /* Determine the selected interface. */
e503e066 4352 val = BNX2_RD(bp, BNX2_NVM_CFG1);
b6016b76 4353
ff8ac609 4354 entry_count = ARRAY_SIZE(flash_table);
b6016b76 4355
b6016b76
MC
4356 if (val & 0x40000000) {
4357
4358 /* Flash interface has been reconfigured */
4359 for (j = 0, flash = &flash_table[0]; j < entry_count;
37137709
MC
4360 j++, flash++) {
4361 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4362 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
b6016b76
MC
4363 bp->flash_info = flash;
4364 break;
4365 }
4366 }
4367 }
4368 else {
37137709 4369 u32 mask;
b6016b76
MC
4370 /* Not yet been reconfigured */
4371
37137709
MC
4372 if (val & (1 << 23))
4373 mask = FLASH_BACKUP_STRAP_MASK;
4374 else
4375 mask = FLASH_STRAP_MASK;
4376
b6016b76
MC
4377 for (j = 0, flash = &flash_table[0]; j < entry_count;
4378 j++, flash++) {
4379
37137709 4380 if ((val & mask) == (flash->strapping & mask)) {
b6016b76
MC
4381 bp->flash_info = flash;
4382
4383 /* Request access to the flash interface. */
4384 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4385 return rc;
4386
4387 /* Enable access to flash interface */
4388 bnx2_enable_nvram_access(bp);
4389
4390 /* Reconfigure the flash interface */
e503e066
MC
4391 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
4392 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
4393 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
4394 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
b6016b76
MC
4395
4396 /* Disable access to flash interface */
4397 bnx2_disable_nvram_access(bp);
4398 bnx2_release_nvram_lock(bp);
4399
4400 break;
4401 }
4402 }
4403 } /* if (val & 0x40000000) */
4404
4405 if (j == entry_count) {
4406 bp->flash_info = NULL;
3a9c6a49 4407 pr_alert("Unknown flash/EEPROM type\n");
1122db71 4408 return -ENODEV;
b6016b76
MC
4409 }
4410
e30372c9 4411get_flash_size:
2726d6e1 4412 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
1122db71
MC
4413 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4414 if (val)
4415 bp->flash_size = val;
4416 else
4417 bp->flash_size = bp->flash_info->total_size;
4418
b6016b76
MC
4419 return rc;
4420}
4421
4422static int
4423bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4424 int buf_size)
4425{
4426 int rc = 0;
4427 u32 cmd_flags, offset32, len32, extra;
4428
4429 if (buf_size == 0)
4430 return 0;
4431
4432 /* Request access to the flash interface. */
4433 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4434 return rc;
4435
4436 /* Enable access to flash interface */
4437 bnx2_enable_nvram_access(bp);
4438
4439 len32 = buf_size;
4440 offset32 = offset;
4441 extra = 0;
4442
4443 cmd_flags = 0;
4444
4445 if (offset32 & 3) {
4446 u8 buf[4];
4447 u32 pre_len;
4448
4449 offset32 &= ~3;
4450 pre_len = 4 - (offset & 3);
4451
4452 if (pre_len >= len32) {
4453 pre_len = len32;
4454 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4455 BNX2_NVM_COMMAND_LAST;
4456 }
4457 else {
4458 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4459 }
4460
4461 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4462
4463 if (rc)
4464 return rc;
4465
4466 memcpy(ret_buf, buf + (offset & 3), pre_len);
4467
4468 offset32 += 4;
4469 ret_buf += pre_len;
4470 len32 -= pre_len;
4471 }
4472 if (len32 & 3) {
4473 extra = 4 - (len32 & 3);
4474 len32 = (len32 + 4) & ~3;
4475 }
4476
4477 if (len32 == 4) {
4478 u8 buf[4];
4479
4480 if (cmd_flags)
4481 cmd_flags = BNX2_NVM_COMMAND_LAST;
4482 else
4483 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4484 BNX2_NVM_COMMAND_LAST;
4485
4486 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4487
4488 memcpy(ret_buf, buf, 4 - extra);
4489 }
4490 else if (len32 > 0) {
4491 u8 buf[4];
4492
4493 /* Read the first word. */
4494 if (cmd_flags)
4495 cmd_flags = 0;
4496 else
4497 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4498
4499 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4500
4501 /* Advance to the next dword. */
4502 offset32 += 4;
4503 ret_buf += 4;
4504 len32 -= 4;
4505
4506 while (len32 > 4 && rc == 0) {
4507 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4508
4509 /* Advance to the next dword. */
4510 offset32 += 4;
4511 ret_buf += 4;
4512 len32 -= 4;
4513 }
4514
4515 if (rc)
4516 return rc;
4517
4518 cmd_flags = BNX2_NVM_COMMAND_LAST;
4519 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4520
4521 memcpy(ret_buf, buf, 4 - extra);
4522 }
4523
4524 /* Disable access to flash interface */
4525 bnx2_disable_nvram_access(bp);
4526
4527 bnx2_release_nvram_lock(bp);
4528
4529 return rc;
4530}
4531
4532static int
4533bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4534 int buf_size)
4535{
4536 u32 written, offset32, len32;
e6be763f 4537 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
b6016b76
MC
4538 int rc = 0;
4539 int align_start, align_end;
4540
4541 buf = data_buf;
4542 offset32 = offset;
4543 len32 = buf_size;
4544 align_start = align_end = 0;
4545
4546 if ((align_start = (offset32 & 3))) {
4547 offset32 &= ~3;
c873879c
MC
4548 len32 += align_start;
4549 if (len32 < 4)
4550 len32 = 4;
b6016b76
MC
4551 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4552 return rc;
4553 }
4554
4555 if (len32 & 3) {
c873879c
MC
4556 align_end = 4 - (len32 & 3);
4557 len32 += align_end;
4558 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4559 return rc;
b6016b76
MC
4560 }
4561
4562 if (align_start || align_end) {
e6be763f
MC
4563 align_buf = kmalloc(len32, GFP_KERNEL);
4564 if (align_buf == NULL)
b6016b76
MC
4565 return -ENOMEM;
4566 if (align_start) {
e6be763f 4567 memcpy(align_buf, start, 4);
b6016b76
MC
4568 }
4569 if (align_end) {
e6be763f 4570 memcpy(align_buf + len32 - 4, end, 4);
b6016b76 4571 }
e6be763f
MC
4572 memcpy(align_buf + align_start, data_buf, buf_size);
4573 buf = align_buf;
b6016b76
MC
4574 }
4575
e30372c9 4576 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
ae181bc4
MC
4577 flash_buffer = kmalloc(264, GFP_KERNEL);
4578 if (flash_buffer == NULL) {
4579 rc = -ENOMEM;
4580 goto nvram_write_end;
4581 }
4582 }
4583
b6016b76
MC
4584 written = 0;
4585 while ((written < len32) && (rc == 0)) {
4586 u32 page_start, page_end, data_start, data_end;
4587 u32 addr, cmd_flags;
4588 int i;
b6016b76
MC
4589
4590 /* Find the page_start addr */
4591 page_start = offset32 + written;
4592 page_start -= (page_start % bp->flash_info->page_size);
4593 /* Find the page_end addr */
4594 page_end = page_start + bp->flash_info->page_size;
4595 /* Find the data_start addr */
4596 data_start = (written == 0) ? offset32 : page_start;
4597 /* Find the data_end addr */
6aa20a22 4598 data_end = (page_end > offset32 + len32) ?
b6016b76
MC
4599 (offset32 + len32) : page_end;
4600
4601 /* Request access to the flash interface. */
4602 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4603 goto nvram_write_end;
4604
4605 /* Enable access to flash interface */
4606 bnx2_enable_nvram_access(bp);
4607
4608 cmd_flags = BNX2_NVM_COMMAND_FIRST;
e30372c9 4609 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC
4610 int j;
4611
4612 /* Read the whole page into the buffer
4613 * (non-buffer flash only) */
4614 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4615 if (j == (bp->flash_info->page_size - 4)) {
4616 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4617 }
4618 rc = bnx2_nvram_read_dword(bp,
6aa20a22
JG
4619 page_start + j,
4620 &flash_buffer[j],
b6016b76
MC
4621 cmd_flags);
4622
4623 if (rc)
4624 goto nvram_write_end;
4625
4626 cmd_flags = 0;
4627 }
4628 }
4629
4630 /* Enable writes to flash interface (unlock write-protect) */
4631 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4632 goto nvram_write_end;
4633
b6016b76
MC
4634 /* Loop to write back the buffer data from page_start to
4635 * data_start */
4636 i = 0;
e30372c9 4637 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
c873879c
MC
4638 /* Erase the page */
4639 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4640 goto nvram_write_end;
4641
4642 /* Re-enable the write again for the actual write */
4643 bnx2_enable_nvram_write(bp);
4644
b6016b76
MC
4645 for (addr = page_start; addr < data_start;
4646 addr += 4, i += 4) {
6aa20a22 4647
b6016b76
MC
4648 rc = bnx2_nvram_write_dword(bp, addr,
4649 &flash_buffer[i], cmd_flags);
4650
4651 if (rc != 0)
4652 goto nvram_write_end;
4653
4654 cmd_flags = 0;
4655 }
4656 }
4657
4658 /* Loop to write the new data from data_start to data_end */
bae25761 4659 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
b6016b76 4660 if ((addr == page_end - 4) ||
e30372c9 4661 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
b6016b76
MC
4662 (addr == data_end - 4))) {
4663
4664 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4665 }
4666 rc = bnx2_nvram_write_dword(bp, addr, buf,
4667 cmd_flags);
4668
4669 if (rc != 0)
4670 goto nvram_write_end;
4671
4672 cmd_flags = 0;
4673 buf += 4;
4674 }
4675
4676 /* Loop to write back the buffer data from data_end
4677 * to page_end */
e30372c9 4678 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC
4679 for (addr = data_end; addr < page_end;
4680 addr += 4, i += 4) {
6aa20a22 4681
b6016b76
MC
4682 if (addr == page_end-4) {
4683 cmd_flags = BNX2_NVM_COMMAND_LAST;
4684 }
4685 rc = bnx2_nvram_write_dword(bp, addr,
4686 &flash_buffer[i], cmd_flags);
4687
4688 if (rc != 0)
4689 goto nvram_write_end;
4690
4691 cmd_flags = 0;
4692 }
4693 }
4694
4695 /* Disable writes to flash interface (lock write-protect) */
4696 bnx2_disable_nvram_write(bp);
4697
4698 /* Disable access to flash interface */
4699 bnx2_disable_nvram_access(bp);
4700 bnx2_release_nvram_lock(bp);
4701
4702 /* Increment written */
4703 written += data_end - data_start;
4704 }
4705
4706nvram_write_end:
e6be763f
MC
4707 kfree(flash_buffer);
4708 kfree(align_buf);
b6016b76
MC
4709 return rc;
4710}
4711
0d8a6571 4712static void
7c62e83b 4713bnx2_init_fw_cap(struct bnx2 *bp)
0d8a6571 4714{
7c62e83b 4715 u32 val, sig = 0;
0d8a6571 4716
583c28e5 4717 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
7c62e83b
MC
4718 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4719
4720 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4721 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
0d8a6571 4722
2726d6e1 4723 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
0d8a6571
MC
4724 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4725 return;
4726
7c62e83b
MC
4727 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4728 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4729 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4730 }
4731
4732 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4733 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4734 u32 link;
4735
583c28e5 4736 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
0d8a6571 4737
7c62e83b
MC
4738 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4739 if (link & BNX2_LINK_STATUS_SERDES_LINK)
0d8a6571
MC
4740 bp->phy_port = PORT_FIBRE;
4741 else
4742 bp->phy_port = PORT_TP;
489310a4 4743
7c62e83b
MC
4744 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4745 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
0d8a6571 4746 }
7c62e83b
MC
4747
4748 if (netif_running(bp->dev) && sig)
4749 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
0d8a6571
MC
4750}
4751
b4b36042
MC
4752static void
4753bnx2_setup_msix_tbl(struct bnx2 *bp)
4754{
e503e066 4755 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
b4b36042 4756
e503e066
MC
4757 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4758 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
b4b36042
MC
4759}
4760
6df77862
BH
4761static void
4762bnx2_wait_dma_complete(struct bnx2 *bp)
b6016b76
MC
4763{
4764 u32 val;
6df77862 4765 int i;
b6016b76 4766
6df77862
BH
4767 /*
4768 * Wait for the current PCI transaction to complete before
4769 * issuing a reset.
4770 */
4ce45e02
MC
4771 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
4772 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
e503e066
MC
4773 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4774 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4775 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4776 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4777 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4778 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
a5dac108
EW
4779 udelay(5);
4780 } else { /* 5709 */
e503e066 4781 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
a5dac108 4782 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
e503e066
MC
4783 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4784 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
a5dac108
EW
4785
4786 for (i = 0; i < 100; i++) {
4787 msleep(1);
e503e066 4788 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
a5dac108
EW
4789 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4790 break;
4791 }
4792 }
b6016b76 4793
6df77862
BH
4794 return;
4795}
4796
4797
4798static int
4799bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4800{
4801 u32 val;
4802 int i, rc = 0;
4803 u8 old_port;
4804
4805 /* Wait for the current PCI transaction to complete before
4806 * issuing a reset. */
4807 bnx2_wait_dma_complete(bp);
4808
b090ae2b 4809 /* Wait for the firmware to tell us it is ok to issue a reset. */
a2f13890 4810 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
b090ae2b 4811
b6016b76
MC
4812 /* Deposit a driver reset signature so the firmware knows that
4813 * this is a soft reset. */
2726d6e1
MC
4814 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4815 BNX2_DRV_RESET_SIGNATURE_MAGIC);
b6016b76 4816
b6016b76
MC
4817 /* Do a dummy read to force the chip to complete all current transaction
4818 * before we issue a reset. */
e503e066 4819 val = BNX2_RD(bp, BNX2_MISC_ID);
b6016b76 4820
4ce45e02 4821 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066
MC
4822 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4823 BNX2_RD(bp, BNX2_MISC_COMMAND);
234754d5 4824 udelay(5);
b6016b76 4825
234754d5
MC
4826 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4827 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
b6016b76 4828
e503e066 4829 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
b6016b76 4830
234754d5
MC
4831 } else {
4832 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4833 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4834 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4835
4836 /* Chip reset. */
e503e066 4837 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
234754d5 4838
594a9dfa
MC
4839 /* Reading back any register after chip reset will hang the
4840 * bus on 5706 A0 and A1. The msleep below provides plenty
4841 * of margin for write posting.
4842 */
4ce45e02
MC
4843 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4844 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
8e545881 4845 msleep(20);
b6016b76 4846
234754d5
MC
4847 /* Reset takes approximate 30 usec */
4848 for (i = 0; i < 10; i++) {
e503e066 4849 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
234754d5
MC
4850 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4851 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4852 break;
4853 udelay(10);
4854 }
4855
4856 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4857 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3a9c6a49 4858 pr_err("Chip reset did not complete\n");
234754d5
MC
4859 return -EBUSY;
4860 }
b6016b76
MC
4861 }
4862
4863 /* Make sure byte swapping is properly configured. */
e503e066 4864 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
b6016b76 4865 if (val != 0x01020304) {
3a9c6a49 4866 pr_err("Chip not in correct endian mode\n");
b6016b76
MC
4867 return -ENODEV;
4868 }
4869
b6016b76 4870 /* Wait for the firmware to finish its initialization. */
a2f13890 4871 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
b090ae2b
MC
4872 if (rc)
4873 return rc;
b6016b76 4874
0d8a6571 4875 spin_lock_bh(&bp->phy_lock);
489310a4 4876 old_port = bp->phy_port;
7c62e83b 4877 bnx2_init_fw_cap(bp);
583c28e5
MC
4878 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4879 old_port != bp->phy_port)
0d8a6571
MC
4880 bnx2_set_default_remote_link(bp);
4881 spin_unlock_bh(&bp->phy_lock);
4882
4ce45e02 4883 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
4884 /* Adjust the voltage regular to two steps lower. The default
4885 * of this register is 0x0000000e. */
e503e066 4886 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
b6016b76
MC
4887
4888 /* Remove bad rbuf memory from the free pool. */
4889 rc = bnx2_alloc_bad_rbuf(bp);
4890 }
4891
c441b8d2 4892 if (bp->flags & BNX2_FLAG_USING_MSIX) {
b4b36042 4893 bnx2_setup_msix_tbl(bp);
c441b8d2 4894 /* Prevent MSIX table reads and write from timing out */
e503e066 4895 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
c441b8d2
MC
4896 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4897 }
b4b36042 4898
b6016b76
MC
4899 return rc;
4900}
4901
4902static int
4903bnx2_init_chip(struct bnx2 *bp)
4904{
d8026d93 4905 u32 val, mtu;
b4b36042 4906 int rc, i;
b6016b76
MC
4907
4908 /* Make sure the interrupt is not active. */
e503e066 4909 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
b6016b76
MC
4910
4911 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4912 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4913#ifdef __BIG_ENDIAN
6aa20a22 4914 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
b6016b76 4915#endif
6aa20a22 4916 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
b6016b76
MC
4917 DMA_READ_CHANS << 12 |
4918 DMA_WRITE_CHANS << 16;
4919
4920 val |= (0x2 << 20) | (1 << 11);
4921
f86e82fb 4922 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
b6016b76
MC
4923 val |= (1 << 23);
4924
4ce45e02
MC
4925 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
4926 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
4927 !(bp->flags & BNX2_FLAG_PCIX))
b6016b76
MC
4928 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4929
e503e066 4930 BNX2_WR(bp, BNX2_DMA_CONFIG, val);
b6016b76 4931
4ce45e02 4932 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
e503e066 4933 val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
b6016b76 4934 val |= BNX2_TDMA_CONFIG_ONE_DMA;
e503e066 4935 BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
b6016b76
MC
4936 }
4937
f86e82fb 4938 if (bp->flags & BNX2_FLAG_PCIX) {
b6016b76
MC
4939 u16 val16;
4940
4941 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4942 &val16);
4943 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4944 val16 & ~PCI_X_CMD_ERO);
4945 }
4946
e503e066
MC
4947 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4948 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4949 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4950 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
b6016b76
MC
4951
4952 /* Initialize context mapping and zero out the quick contexts. The
4953 * context block must have already been enabled. */
4ce45e02 4954 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
641bdcd5
MC
4955 rc = bnx2_init_5709_context(bp);
4956 if (rc)
4957 return rc;
4958 } else
59b47d8a 4959 bnx2_init_context(bp);
b6016b76 4960
fba9fe91
MC
4961 if ((rc = bnx2_init_cpus(bp)) != 0)
4962 return rc;
4963
b6016b76
MC
4964 bnx2_init_nvram(bp);
4965
5fcaed01 4966 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76 4967
e503e066 4968 val = BNX2_RD(bp, BNX2_MQ_CONFIG);
b6016b76
MC
4969 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4970 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4ce45e02 4971 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4edd473f 4972 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4ce45e02 4973 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
4edd473f
MC
4974 val |= BNX2_MQ_CONFIG_HALT_DIS;
4975 }
68c9f75a 4976
e503e066 4977 BNX2_WR(bp, BNX2_MQ_CONFIG, val);
b6016b76
MC
4978
4979 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
e503e066
MC
4980 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4981 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
b6016b76 4982
2bc4078e 4983 val = (BNX2_PAGE_BITS - 8) << 24;
e503e066 4984 BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
b6016b76
MC
4985
4986 /* Configure page size. */
e503e066 4987 val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
b6016b76 4988 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2bc4078e 4989 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
e503e066 4990 BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
b6016b76
MC
4991
4992 val = bp->mac_addr[0] +
4993 (bp->mac_addr[1] << 8) +
4994 (bp->mac_addr[2] << 16) +
4995 bp->mac_addr[3] +
4996 (bp->mac_addr[4] << 8) +
4997 (bp->mac_addr[5] << 16);
e503e066 4998 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
b6016b76
MC
4999
5000 /* Program the MTU. Also include 4 bytes for CRC32. */
d8026d93
MC
5001 mtu = bp->dev->mtu;
5002 val = mtu + ETH_HLEN + ETH_FCS_LEN;
e1c6dcca 5003 if (val > (MAX_ETHERNET_PACKET_SIZE + ETH_HLEN + 4))
b6016b76 5004 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
e503e066 5005 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
b6016b76 5006
e1c6dcca
JW
5007 if (mtu < ETH_DATA_LEN)
5008 mtu = ETH_DATA_LEN;
d8026d93
MC
5009
5010 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
5011 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
5012 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
5013
155d5561 5014 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
b4b36042
MC
5015 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5016 bp->bnx2_napi[i].last_status_idx = 0;
5017
efba0180
MC
5018 bp->idle_chk_status_idx = 0xffff;
5019
b6016b76 5020 /* Set up how to generate a link change interrupt. */
e503e066 5021 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
b6016b76 5022
e503e066
MC
5023 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
5024 (u64) bp->status_blk_mapping & 0xffffffff);
5025 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
b6016b76 5026
e503e066
MC
5027 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
5028 (u64) bp->stats_blk_mapping & 0xffffffff);
5029 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
5030 (u64) bp->stats_blk_mapping >> 32);
b6016b76 5031
e503e066
MC
5032 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
5033 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
b6016b76 5034
e503e066
MC
5035 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
5036 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
b6016b76 5037
e503e066
MC
5038 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
5039 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
b6016b76 5040
e503e066 5041 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
b6016b76 5042
e503e066 5043 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
b6016b76 5044
e503e066
MC
5045 BNX2_WR(bp, BNX2_HC_COM_TICKS,
5046 (bp->com_ticks_int << 16) | bp->com_ticks);
b6016b76 5047
e503e066
MC
5048 BNX2_WR(bp, BNX2_HC_CMD_TICKS,
5049 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
b6016b76 5050
61d9e3fa 5051 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
e503e066 5052 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
02537b06 5053 else
e503e066
MC
5054 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
5055 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
b6016b76 5056
4ce45e02 5057 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
8e6a72c4 5058 val = BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76 5059 else {
8e6a72c4
MC
5060 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
5061 BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76
MC
5062 }
5063
efde73a3 5064 if (bp->flags & BNX2_FLAG_USING_MSIX) {
e503e066
MC
5065 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
5066 BNX2_HC_MSIX_BIT_VECTOR_VAL);
c76c0475 5067
5e9ad9e1
MC
5068 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
5069 }
5070
5071 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
cf7474a6 5072 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
5e9ad9e1 5073
e503e066 5074 BNX2_WR(bp, BNX2_HC_CONFIG, val);
5e9ad9e1 5075
22fa159d
MC
5076 if (bp->rx_ticks < 25)
5077 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5078 else
5079 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5080
5e9ad9e1
MC
5081 for (i = 1; i < bp->irq_nvecs; i++) {
5082 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5083 BNX2_HC_SB_CONFIG_1;
5084
e503e066 5085 BNX2_WR(bp, base,
c76c0475 5086 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
5e9ad9e1 5087 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
c76c0475
MC
5088 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5089
e503e066 5090 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
c76c0475
MC
5091 (bp->tx_quick_cons_trip_int << 16) |
5092 bp->tx_quick_cons_trip);
5093
e503e066 5094 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
c76c0475
MC
5095 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5096
e503e066
MC
5097 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5098 (bp->rx_quick_cons_trip_int << 16) |
5e9ad9e1 5099 bp->rx_quick_cons_trip);
8e6a72c4 5100
e503e066 5101 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
5e9ad9e1
MC
5102 (bp->rx_ticks_int << 16) | bp->rx_ticks);
5103 }
8e6a72c4 5104
b6016b76 5105 /* Clear internal stats counters. */
e503e066 5106 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
b6016b76 5107
e503e066 5108 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
b6016b76
MC
5109
5110 /* Initialize the receive filter. */
5111 bnx2_set_rx_mode(bp->dev);
5112
4ce45e02 5113 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066 5114 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
0aa38df7 5115 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
e503e066 5116 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
0aa38df7 5117 }
b090ae2b 5118 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
a2f13890 5119 1, 0);
b6016b76 5120
e503e066
MC
5121 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5122 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
b6016b76
MC
5123
5124 udelay(20);
5125
e503e066 5126 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
bf5295bb 5127
b090ae2b 5128 return rc;
b6016b76
MC
5129}
5130
c76c0475
MC
5131static void
5132bnx2_clear_ring_states(struct bnx2 *bp)
5133{
5134 struct bnx2_napi *bnapi;
35e9010b 5135 struct bnx2_tx_ring_info *txr;
bb4f98ab 5136 struct bnx2_rx_ring_info *rxr;
c76c0475
MC
5137 int i;
5138
5139 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5140 bnapi = &bp->bnx2_napi[i];
35e9010b 5141 txr = &bnapi->tx_ring;
bb4f98ab 5142 rxr = &bnapi->rx_ring;
c76c0475 5143
35e9010b
MC
5144 txr->tx_cons = 0;
5145 txr->hw_tx_cons = 0;
bb4f98ab
MC
5146 rxr->rx_prod_bseq = 0;
5147 rxr->rx_prod = 0;
5148 rxr->rx_cons = 0;
5149 rxr->rx_pg_prod = 0;
5150 rxr->rx_pg_cons = 0;
c76c0475
MC
5151 }
5152}
5153
59b47d8a 5154static void
35e9010b 5155bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
59b47d8a
MC
5156{
5157 u32 val, offset0, offset1, offset2, offset3;
62a8313c 5158 u32 cid_addr = GET_CID_ADDR(cid);
59b47d8a 5159
4ce45e02 5160 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
59b47d8a
MC
5161 offset0 = BNX2_L2CTX_TYPE_XI;
5162 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5163 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5164 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5165 } else {
5166 offset0 = BNX2_L2CTX_TYPE;
5167 offset1 = BNX2_L2CTX_CMD_TYPE;
5168 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5169 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5170 }
5171 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
62a8313c 5172 bnx2_ctx_wr(bp, cid_addr, offset0, val);
59b47d8a
MC
5173
5174 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
62a8313c 5175 bnx2_ctx_wr(bp, cid_addr, offset1, val);
59b47d8a 5176
35e9010b 5177 val = (u64) txr->tx_desc_mapping >> 32;
62a8313c 5178 bnx2_ctx_wr(bp, cid_addr, offset2, val);
59b47d8a 5179
35e9010b 5180 val = (u64) txr->tx_desc_mapping & 0xffffffff;
62a8313c 5181 bnx2_ctx_wr(bp, cid_addr, offset3, val);
59b47d8a 5182}
b6016b76
MC
5183
5184static void
35e9010b 5185bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
b6016b76 5186{
2bc4078e 5187 struct bnx2_tx_bd *txbd;
c76c0475
MC
5188 u32 cid = TX_CID;
5189 struct bnx2_napi *bnapi;
35e9010b 5190 struct bnx2_tx_ring_info *txr;
c76c0475 5191
35e9010b
MC
5192 bnapi = &bp->bnx2_napi[ring_num];
5193 txr = &bnapi->tx_ring;
5194
5195 if (ring_num == 0)
5196 cid = TX_CID;
5197 else
5198 cid = TX_TSS_CID + ring_num - 1;
b6016b76 5199
2f8af120
MC
5200 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5201
2bc4078e 5202 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
6aa20a22 5203
35e9010b
MC
5204 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5205 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
b6016b76 5206
35e9010b
MC
5207 txr->tx_prod = 0;
5208 txr->tx_prod_bseq = 0;
6aa20a22 5209
35e9010b
MC
5210 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5211 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
b6016b76 5212
35e9010b 5213 bnx2_init_tx_context(bp, cid, txr);
b6016b76
MC
5214}
5215
5216static void
2bc4078e
MC
5217bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
5218 u32 buf_size, int num_rings)
b6016b76 5219{
b6016b76 5220 int i;
2bc4078e 5221 struct bnx2_rx_bd *rxbd;
6aa20a22 5222
5d5d0015 5223 for (i = 0; i < num_rings; i++) {
13daffa2 5224 int j;
b6016b76 5225
5d5d0015 5226 rxbd = &rx_ring[i][0];
2bc4078e 5227 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
5d5d0015 5228 rxbd->rx_bd_len = buf_size;
13daffa2
MC
5229 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5230 }
5d5d0015 5231 if (i == (num_rings - 1))
13daffa2
MC
5232 j = 0;
5233 else
5234 j = i + 1;
5d5d0015
MC
5235 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5236 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
13daffa2 5237 }
5d5d0015
MC
5238}
5239
5240static void
bb4f98ab 5241bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5d5d0015
MC
5242{
5243 int i;
5244 u16 prod, ring_prod;
bb4f98ab
MC
5245 u32 cid, rx_cid_addr, val;
5246 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5247 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5248
5249 if (ring_num == 0)
5250 cid = RX_CID;
5251 else
5252 cid = RX_RSS_CID + ring_num - 1;
5253
5254 rx_cid_addr = GET_CID_ADDR(cid);
5d5d0015 5255
bb4f98ab 5256 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5d5d0015
MC
5257 bp->rx_buf_use_size, bp->rx_max_ring);
5258
bb4f98ab 5259 bnx2_init_rx_context(bp, cid);
83e3fc89 5260
4ce45e02 5261 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066
MC
5262 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
5263 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
83e3fc89
MC
5264 }
5265
62a8313c 5266 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
47bf4246 5267 if (bp->rx_pg_ring_size) {
bb4f98ab
MC
5268 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5269 rxr->rx_pg_desc_mapping,
47bf4246
MC
5270 PAGE_SIZE, bp->rx_max_pg_ring);
5271 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
62a8313c
MC
5272 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5273 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5e9ad9e1 5274 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
47bf4246 5275
bb4f98ab 5276 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
62a8313c 5277 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
47bf4246 5278
bb4f98ab 5279 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
62a8313c 5280 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
47bf4246 5281
4ce45e02 5282 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
e503e066 5283 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
47bf4246 5284 }
b6016b76 5285
bb4f98ab 5286 val = (u64) rxr->rx_desc_mapping[0] >> 32;
62a8313c 5287 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
b6016b76 5288
bb4f98ab 5289 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
62a8313c 5290 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
b6016b76 5291
bb4f98ab 5292 ring_prod = prod = rxr->rx_pg_prod;
47bf4246 5293 for (i = 0; i < bp->rx_pg_ring_size; i++) {
a2df00aa 5294 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP
5295 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5296 ring_num, i, bp->rx_pg_ring_size);
47bf4246 5297 break;
b929e53c 5298 }
2bc4078e
MC
5299 prod = BNX2_NEXT_RX_BD(prod);
5300 ring_prod = BNX2_RX_PG_RING_IDX(prod);
47bf4246 5301 }
bb4f98ab 5302 rxr->rx_pg_prod = prod;
47bf4246 5303
bb4f98ab 5304 ring_prod = prod = rxr->rx_prod;
236b6394 5305 for (i = 0; i < bp->rx_ring_size; i++) {
dd2bc8e9 5306 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP
5307 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5308 ring_num, i, bp->rx_ring_size);
b6016b76 5309 break;
b929e53c 5310 }
2bc4078e
MC
5311 prod = BNX2_NEXT_RX_BD(prod);
5312 ring_prod = BNX2_RX_RING_IDX(prod);
b6016b76 5313 }
bb4f98ab 5314 rxr->rx_prod = prod;
b6016b76 5315
bb4f98ab
MC
5316 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5317 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5318 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
b6016b76 5319
e503e066
MC
5320 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5321 BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
bb4f98ab 5322
e503e066 5323 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC
5324}
5325
35e9010b
MC
5326static void
5327bnx2_init_all_rings(struct bnx2 *bp)
5328{
5329 int i;
5e9ad9e1 5330 u32 val;
35e9010b
MC
5331
5332 bnx2_clear_ring_states(bp);
5333
e503e066 5334 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
35e9010b
MC
5335 for (i = 0; i < bp->num_tx_rings; i++)
5336 bnx2_init_tx_ring(bp, i);
5337
5338 if (bp->num_tx_rings > 1)
e503e066
MC
5339 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5340 (TX_TSS_CID << 7));
35e9010b 5341
e503e066 5342 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5e9ad9e1
MC
5343 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5344
bb4f98ab
MC
5345 for (i = 0; i < bp->num_rx_rings; i++)
5346 bnx2_init_rx_ring(bp, i);
5e9ad9e1
MC
5347
5348 if (bp->num_rx_rings > 1) {
22fa159d 5349 u32 tbl_32 = 0;
5e9ad9e1
MC
5350
5351 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
22fa159d
MC
5352 int shift = (i % 8) << 2;
5353
5354 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5355 if ((i % 8) == 7) {
e503e066
MC
5356 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5357 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
22fa159d
MC
5358 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5359 BNX2_RLUP_RSS_COMMAND_WRITE |
5360 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5361 tbl_32 = 0;
5362 }
5e9ad9e1
MC
5363 }
5364
5365 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5366 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5367
e503e066 5368 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5e9ad9e1
MC
5369
5370 }
35e9010b
MC
5371}
5372
5d5d0015 5373static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
13daffa2 5374{
5d5d0015 5375 u32 max, num_rings = 1;
13daffa2 5376
2bc4078e
MC
5377 while (ring_size > BNX2_MAX_RX_DESC_CNT) {
5378 ring_size -= BNX2_MAX_RX_DESC_CNT;
13daffa2
MC
5379 num_rings++;
5380 }
5381 /* round to next power of 2 */
5d5d0015 5382 max = max_size;
13daffa2
MC
5383 while ((max & num_rings) == 0)
5384 max >>= 1;
5385
5386 if (num_rings != max)
5387 max <<= 1;
5388
5d5d0015
MC
5389 return max;
5390}
5391
5392static void
5393bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5394{
84eaa187 5395 u32 rx_size, rx_space, jumbo_size;
5d5d0015
MC
5396
5397 /* 8 for CRC and VLAN */
d89cb6af 5398 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5d5d0015 5399
84eaa187 5400 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
dd2bc8e9 5401 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
84eaa187 5402
601d3d18 5403 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
47bf4246
MC
5404 bp->rx_pg_ring_size = 0;
5405 bp->rx_max_pg_ring = 0;
5406 bp->rx_max_pg_ring_idx = 0;
f86e82fb 5407 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
84eaa187
MC
5408 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5409
5410 jumbo_size = size * pages;
2bc4078e
MC
5411 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
5412 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
84eaa187
MC
5413
5414 bp->rx_pg_ring_size = jumbo_size;
5415 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
2bc4078e
MC
5416 BNX2_MAX_RX_PG_RINGS);
5417 bp->rx_max_pg_ring_idx =
5418 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
601d3d18 5419 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
84eaa187
MC
5420 bp->rx_copy_thresh = 0;
5421 }
5d5d0015
MC
5422
5423 bp->rx_buf_use_size = rx_size;
dd2bc8e9
ED
5424 /* hw alignment + build_skb() overhead*/
5425 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5426 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
d89cb6af 5427 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5d5d0015 5428 bp->rx_ring_size = size;
2bc4078e
MC
5429 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
5430 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
13daffa2
MC
5431}
5432
b6016b76
MC
5433static void
5434bnx2_free_tx_skbs(struct bnx2 *bp)
5435{
5436 int i;
5437
35e9010b
MC
5438 for (i = 0; i < bp->num_tx_rings; i++) {
5439 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5440 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5441 int j;
b6016b76 5442
35e9010b 5443 if (txr->tx_buf_ring == NULL)
b6016b76 5444 continue;
b6016b76 5445
2bc4078e
MC
5446 for (j = 0; j < BNX2_TX_DESC_CNT; ) {
5447 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
35e9010b 5448 struct sk_buff *skb = tx_buf->skb;
e95524a7 5449 int k, last;
35e9010b
MC
5450
5451 if (skb == NULL) {
2bc4078e 5452 j = BNX2_NEXT_TX_BD(j);
35e9010b
MC
5453 continue;
5454 }
5455
36227e88 5456 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5457 dma_unmap_addr(tx_buf, mapping),
e95524a7
AD
5458 skb_headlen(skb),
5459 PCI_DMA_TODEVICE);
b6016b76 5460
35e9010b 5461 tx_buf->skb = NULL;
b6016b76 5462
e95524a7 5463 last = tx_buf->nr_frags;
2bc4078e
MC
5464 j = BNX2_NEXT_TX_BD(j);
5465 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
5466 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
36227e88 5467 dma_unmap_page(&bp->pdev->dev,
1a4ccc2d 5468 dma_unmap_addr(tx_buf, mapping),
9e903e08 5469 skb_frag_size(&skb_shinfo(skb)->frags[k]),
e95524a7
AD
5470 PCI_DMA_TODEVICE);
5471 }
35e9010b 5472 dev_kfree_skb(skb);
b6016b76 5473 }
e9831909 5474 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
b6016b76 5475 }
b6016b76
MC
5476}
5477
5478static void
5479bnx2_free_rx_skbs(struct bnx2 *bp)
5480{
5481 int i;
5482
bb4f98ab
MC
5483 for (i = 0; i < bp->num_rx_rings; i++) {
5484 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5485 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5486 int j;
b6016b76 5487
bb4f98ab
MC
5488 if (rxr->rx_buf_ring == NULL)
5489 return;
b6016b76 5490
bb4f98ab 5491 for (j = 0; j < bp->rx_max_ring_idx; j++) {
2bc4078e 5492 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
dd2bc8e9 5493 u8 *data = rx_buf->data;
b6016b76 5494
dd2bc8e9 5495 if (data == NULL)
bb4f98ab 5496 continue;
b6016b76 5497
36227e88 5498 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5499 dma_unmap_addr(rx_buf, mapping),
bb4f98ab
MC
5500 bp->rx_buf_use_size,
5501 PCI_DMA_FROMDEVICE);
b6016b76 5502
dd2bc8e9 5503 rx_buf->data = NULL;
bb4f98ab 5504
dd2bc8e9 5505 kfree(data);
bb4f98ab
MC
5506 }
5507 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5508 bnx2_free_rx_page(bp, rxr, j);
b6016b76
MC
5509 }
5510}
5511
5512static void
5513bnx2_free_skbs(struct bnx2 *bp)
5514{
5515 bnx2_free_tx_skbs(bp);
5516 bnx2_free_rx_skbs(bp);
5517}
5518
5519static int
5520bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5521{
5522 int rc;
5523
5524 rc = bnx2_reset_chip(bp, reset_code);
5525 bnx2_free_skbs(bp);
5526 if (rc)
5527 return rc;
5528
fba9fe91
MC
5529 if ((rc = bnx2_init_chip(bp)) != 0)
5530 return rc;
5531
35e9010b 5532 bnx2_init_all_rings(bp);
b6016b76
MC
5533 return 0;
5534}
5535
5536static int
9a120bc5 5537bnx2_init_nic(struct bnx2 *bp, int reset_phy)
b6016b76
MC
5538{
5539 int rc;
5540
5541 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5542 return rc;
5543
80be4434 5544 spin_lock_bh(&bp->phy_lock);
9a120bc5 5545 bnx2_init_phy(bp, reset_phy);
b6016b76 5546 bnx2_set_link(bp);
543a827d
MC
5547 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5548 bnx2_remote_phy_event(bp);
0d8a6571 5549 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
5550 return 0;
5551}
5552
74bf4ba3
MC
5553static int
5554bnx2_shutdown_chip(struct bnx2 *bp)
5555{
5556 u32 reset_code;
5557
5558 if (bp->flags & BNX2_FLAG_NO_WOL)
5559 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5560 else if (bp->wol)
5561 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5562 else
5563 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5564
5565 return bnx2_reset_chip(bp, reset_code);
5566}
5567
b6016b76
MC
5568static int
5569bnx2_test_registers(struct bnx2 *bp)
5570{
5571 int ret;
5bae30c9 5572 int i, is_5709;
f71e1309 5573 static const struct {
b6016b76
MC
5574 u16 offset;
5575 u16 flags;
5bae30c9 5576#define BNX2_FL_NOT_5709 1
b6016b76
MC
5577 u32 rw_mask;
5578 u32 ro_mask;
5579 } reg_tbl[] = {
5580 { 0x006c, 0, 0x00000000, 0x0000003f },
5581 { 0x0090, 0, 0xffffffff, 0x00000000 },
5582 { 0x0094, 0, 0x00000000, 0x00000000 },
5583
5bae30c9
MC
5584 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5585 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5586 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5587 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5588 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5589 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5590 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5591 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5592 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5593
5594 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5595 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5596 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5597 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5598 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5599 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5600
5601 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5602 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5603 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
b6016b76
MC
5604
5605 { 0x1000, 0, 0x00000000, 0x00000001 },
15b169cc 5606 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
b6016b76
MC
5607
5608 { 0x1408, 0, 0x01c00800, 0x00000000 },
5609 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5610 { 0x14a8, 0, 0x00000000, 0x000001ff },
5b0c76ad 5611 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
b6016b76
MC
5612 { 0x14b0, 0, 0x00000002, 0x00000001 },
5613 { 0x14b8, 0, 0x00000000, 0x00000000 },
5614 { 0x14c0, 0, 0x00000000, 0x00000009 },
5615 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5616 { 0x14cc, 0, 0x00000000, 0x00000001 },
5617 { 0x14d0, 0, 0xffffffff, 0x00000000 },
b6016b76
MC
5618
5619 { 0x1800, 0, 0x00000000, 0x00000001 },
5620 { 0x1804, 0, 0x00000000, 0x00000003 },
b6016b76
MC
5621
5622 { 0x2800, 0, 0x00000000, 0x00000001 },
5623 { 0x2804, 0, 0x00000000, 0x00003f01 },
5624 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5625 { 0x2810, 0, 0xffff0000, 0x00000000 },
5626 { 0x2814, 0, 0xffff0000, 0x00000000 },
5627 { 0x2818, 0, 0xffff0000, 0x00000000 },
5628 { 0x281c, 0, 0xffff0000, 0x00000000 },
5629 { 0x2834, 0, 0xffffffff, 0x00000000 },
5630 { 0x2840, 0, 0x00000000, 0xffffffff },
5631 { 0x2844, 0, 0x00000000, 0xffffffff },
5632 { 0x2848, 0, 0xffffffff, 0x00000000 },
5633 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5634
5635 { 0x2c00, 0, 0x00000000, 0x00000011 },
5636 { 0x2c04, 0, 0x00000000, 0x00030007 },
5637
b6016b76
MC
5638 { 0x3c00, 0, 0x00000000, 0x00000001 },
5639 { 0x3c04, 0, 0x00000000, 0x00070000 },
5640 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5641 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5642 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5643 { 0x3c14, 0, 0x00000000, 0xffffffff },
5644 { 0x3c18, 0, 0x00000000, 0xffffffff },
5645 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5646 { 0x3c20, 0, 0xffffff00, 0x00000000 },
b6016b76
MC
5647
5648 { 0x5004, 0, 0x00000000, 0x0000007f },
5649 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
b6016b76 5650
b6016b76
MC
5651 { 0x5c00, 0, 0x00000000, 0x00000001 },
5652 { 0x5c04, 0, 0x00000000, 0x0003000f },
5653 { 0x5c08, 0, 0x00000003, 0x00000000 },
5654 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5655 { 0x5c10, 0, 0x00000000, 0xffffffff },
5656 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5657 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5658 { 0x5c88, 0, 0x00000000, 0x00077373 },
5659 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5660
5661 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5662 { 0x680c, 0, 0xffffffff, 0x00000000 },
5663 { 0x6810, 0, 0xffffffff, 0x00000000 },
5664 { 0x6814, 0, 0xffffffff, 0x00000000 },
5665 { 0x6818, 0, 0xffffffff, 0x00000000 },
5666 { 0x681c, 0, 0xffffffff, 0x00000000 },
5667 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5668 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5669 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5670 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5671 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5672 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5673 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5674 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5675 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5676 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5677 { 0x684c, 0, 0xffffffff, 0x00000000 },
5678 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5679 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5680 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5681 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5682 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5683 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5684
5685 { 0xffff, 0, 0x00000000, 0x00000000 },
5686 };
5687
5688 ret = 0;
5bae30c9 5689 is_5709 = 0;
4ce45e02 5690 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
5bae30c9
MC
5691 is_5709 = 1;
5692
b6016b76
MC
5693 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5694 u32 offset, rw_mask, ro_mask, save_val, val;
5bae30c9
MC
5695 u16 flags = reg_tbl[i].flags;
5696
5697 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5698 continue;
b6016b76
MC
5699
5700 offset = (u32) reg_tbl[i].offset;
5701 rw_mask = reg_tbl[i].rw_mask;
5702 ro_mask = reg_tbl[i].ro_mask;
5703
14ab9b86 5704 save_val = readl(bp->regview + offset);
b6016b76 5705
14ab9b86 5706 writel(0, bp->regview + offset);
b6016b76 5707
14ab9b86 5708 val = readl(bp->regview + offset);
b6016b76
MC
5709 if ((val & rw_mask) != 0) {
5710 goto reg_test_err;
5711 }
5712
5713 if ((val & ro_mask) != (save_val & ro_mask)) {
5714 goto reg_test_err;
5715 }
5716
14ab9b86 5717 writel(0xffffffff, bp->regview + offset);
b6016b76 5718
14ab9b86 5719 val = readl(bp->regview + offset);
b6016b76
MC
5720 if ((val & rw_mask) != rw_mask) {
5721 goto reg_test_err;
5722 }
5723
5724 if ((val & ro_mask) != (save_val & ro_mask)) {
5725 goto reg_test_err;
5726 }
5727
14ab9b86 5728 writel(save_val, bp->regview + offset);
b6016b76
MC
5729 continue;
5730
5731reg_test_err:
14ab9b86 5732 writel(save_val, bp->regview + offset);
b6016b76
MC
5733 ret = -ENODEV;
5734 break;
5735 }
5736 return ret;
5737}
5738
5739static int
5740bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5741{
f71e1309 5742 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
b6016b76
MC
5743 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5744 int i;
5745
5746 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5747 u32 offset;
5748
5749 for (offset = 0; offset < size; offset += 4) {
5750
2726d6e1 5751 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
b6016b76 5752
2726d6e1 5753 if (bnx2_reg_rd_ind(bp, start + offset) !=
b6016b76
MC
5754 test_pattern[i]) {
5755 return -ENODEV;
5756 }
5757 }
5758 }
5759 return 0;
5760}
5761
5762static int
5763bnx2_test_memory(struct bnx2 *bp)
5764{
5765 int ret = 0;
5766 int i;
5bae30c9 5767 static struct mem_entry {
b6016b76
MC
5768 u32 offset;
5769 u32 len;
5bae30c9 5770 } mem_tbl_5706[] = {
b6016b76 5771 { 0x60000, 0x4000 },
5b0c76ad 5772 { 0xa0000, 0x3000 },
b6016b76
MC
5773 { 0xe0000, 0x4000 },
5774 { 0x120000, 0x4000 },
5775 { 0x1a0000, 0x4000 },
5776 { 0x160000, 0x4000 },
5777 { 0xffffffff, 0 },
5bae30c9
MC
5778 },
5779 mem_tbl_5709[] = {
5780 { 0x60000, 0x4000 },
5781 { 0xa0000, 0x3000 },
5782 { 0xe0000, 0x4000 },
5783 { 0x120000, 0x4000 },
5784 { 0x1a0000, 0x4000 },
5785 { 0xffffffff, 0 },
b6016b76 5786 };
5bae30c9
MC
5787 struct mem_entry *mem_tbl;
5788
4ce45e02 5789 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
5bae30c9
MC
5790 mem_tbl = mem_tbl_5709;
5791 else
5792 mem_tbl = mem_tbl_5706;
b6016b76
MC
5793
5794 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5795 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5796 mem_tbl[i].len)) != 0) {
5797 return ret;
5798 }
5799 }
6aa20a22 5800
b6016b76
MC
5801 return ret;
5802}
5803
bc5a0690
MC
5804#define BNX2_MAC_LOOPBACK 0
5805#define BNX2_PHY_LOOPBACK 1
5806
b6016b76 5807static int
bc5a0690 5808bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
b6016b76
MC
5809{
5810 unsigned int pkt_size, num_pkts, i;
dd2bc8e9
ED
5811 struct sk_buff *skb;
5812 u8 *data;
b6016b76 5813 unsigned char *packet;
bc5a0690 5814 u16 rx_start_idx, rx_idx;
b6016b76 5815 dma_addr_t map;
2bc4078e
MC
5816 struct bnx2_tx_bd *txbd;
5817 struct bnx2_sw_bd *rx_buf;
b6016b76
MC
5818 struct l2_fhdr *rx_hdr;
5819 int ret = -ENODEV;
c76c0475 5820 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
35e9010b 5821 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 5822 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
c76c0475
MC
5823
5824 tx_napi = bnapi;
b6016b76 5825
35e9010b 5826 txr = &tx_napi->tx_ring;
bb4f98ab 5827 rxr = &bnapi->rx_ring;
bc5a0690
MC
5828 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5829 bp->loopback = MAC_LOOPBACK;
5830 bnx2_set_mac_loopback(bp);
5831 }
5832 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
583c28e5 5833 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
489310a4
MC
5834 return 0;
5835
80be4434 5836 bp->loopback = PHY_LOOPBACK;
bc5a0690
MC
5837 bnx2_set_phy_loopback(bp);
5838 }
5839 else
5840 return -EINVAL;
b6016b76 5841
84eaa187 5842 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
932f3772 5843 skb = netdev_alloc_skb(bp->dev, pkt_size);
b6cbc3b6
JL
5844 if (!skb)
5845 return -ENOMEM;
b6016b76 5846 packet = skb_put(skb, pkt_size);
d458cdf7
JP
5847 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
5848 memset(packet + ETH_ALEN, 0x0, 8);
b6016b76
MC
5849 for (i = 14; i < pkt_size; i++)
5850 packet[i] = (unsigned char) (i & 0xff);
5851
36227e88
SG
5852 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5853 PCI_DMA_TODEVICE);
5854 if (dma_mapping_error(&bp->pdev->dev, map)) {
3d16af86
BL
5855 dev_kfree_skb(skb);
5856 return -EIO;
5857 }
b6016b76 5858
e503e066
MC
5859 BNX2_WR(bp, BNX2_HC_COMMAND,
5860 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
bf5295bb 5861
e503e066 5862 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
5863
5864 udelay(5);
35efa7c1 5865 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76 5866
b6016b76
MC
5867 num_pkts = 0;
5868
2bc4078e 5869 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
b6016b76
MC
5870
5871 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5872 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5873 txbd->tx_bd_mss_nbytes = pkt_size;
5874 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5875
5876 num_pkts++;
2bc4078e 5877 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
35e9010b 5878 txr->tx_prod_bseq += pkt_size;
b6016b76 5879
e503e066
MC
5880 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5881 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC
5882
5883 udelay(100);
5884
e503e066
MC
5885 BNX2_WR(bp, BNX2_HC_COMMAND,
5886 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
bf5295bb 5887
e503e066 5888 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
5889
5890 udelay(5);
5891
36227e88 5892 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
745720e5 5893 dev_kfree_skb(skb);
b6016b76 5894
35e9010b 5895 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
b6016b76 5896 goto loopback_test_done;
b6016b76 5897
35efa7c1 5898 rx_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76
MC
5899 if (rx_idx != rx_start_idx + num_pkts) {
5900 goto loopback_test_done;
5901 }
5902
bb4f98ab 5903 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
dd2bc8e9 5904 data = rx_buf->data;
b6016b76 5905
dd2bc8e9
ED
5906 rx_hdr = get_l2_fhdr(data);
5907 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
b6016b76 5908
36227e88 5909 dma_sync_single_for_cpu(&bp->pdev->dev,
1a4ccc2d 5910 dma_unmap_addr(rx_buf, mapping),
dd2bc8e9 5911 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
b6016b76 5912
ade2bfe7 5913 if (rx_hdr->l2_fhdr_status &
b6016b76
MC
5914 (L2_FHDR_ERRORS_BAD_CRC |
5915 L2_FHDR_ERRORS_PHY_DECODE |
5916 L2_FHDR_ERRORS_ALIGNMENT |
5917 L2_FHDR_ERRORS_TOO_SHORT |
5918 L2_FHDR_ERRORS_GIANT_FRAME)) {
5919
5920 goto loopback_test_done;
5921 }
5922
5923 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5924 goto loopback_test_done;
5925 }
5926
5927 for (i = 14; i < pkt_size; i++) {
dd2bc8e9 5928 if (*(data + i) != (unsigned char) (i & 0xff)) {
b6016b76
MC
5929 goto loopback_test_done;
5930 }
5931 }
5932
5933 ret = 0;
5934
5935loopback_test_done:
5936 bp->loopback = 0;
5937 return ret;
5938}
5939
bc5a0690
MC
5940#define BNX2_MAC_LOOPBACK_FAILED 1
5941#define BNX2_PHY_LOOPBACK_FAILED 2
5942#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5943 BNX2_PHY_LOOPBACK_FAILED)
5944
5945static int
5946bnx2_test_loopback(struct bnx2 *bp)
5947{
5948 int rc = 0;
5949
5950 if (!netif_running(bp->dev))
5951 return BNX2_LOOPBACK_FAILED;
5952
5953 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5954 spin_lock_bh(&bp->phy_lock);
9a120bc5 5955 bnx2_init_phy(bp, 1);
bc5a0690
MC
5956 spin_unlock_bh(&bp->phy_lock);
5957 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5958 rc |= BNX2_MAC_LOOPBACK_FAILED;
5959 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5960 rc |= BNX2_PHY_LOOPBACK_FAILED;
5961 return rc;
5962}
5963
b6016b76
MC
5964#define NVRAM_SIZE 0x200
5965#define CRC32_RESIDUAL 0xdebb20e3
5966
5967static int
5968bnx2_test_nvram(struct bnx2 *bp)
5969{
b491edd5 5970 __be32 buf[NVRAM_SIZE / 4];
b6016b76
MC
5971 u8 *data = (u8 *) buf;
5972 int rc = 0;
5973 u32 magic, csum;
5974
5975 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5976 goto test_nvram_done;
5977
5978 magic = be32_to_cpu(buf[0]);
5979 if (magic != 0x669955aa) {
5980 rc = -ENODEV;
5981 goto test_nvram_done;
5982 }
5983
5984 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5985 goto test_nvram_done;
5986
5987 csum = ether_crc_le(0x100, data);
5988 if (csum != CRC32_RESIDUAL) {
5989 rc = -ENODEV;
5990 goto test_nvram_done;
5991 }
5992
5993 csum = ether_crc_le(0x100, data + 0x100);
5994 if (csum != CRC32_RESIDUAL) {
5995 rc = -ENODEV;
5996 }
5997
5998test_nvram_done:
5999 return rc;
6000}
6001
6002static int
6003bnx2_test_link(struct bnx2 *bp)
6004{
6005 u32 bmsr;
6006
9f52b564
MC
6007 if (!netif_running(bp->dev))
6008 return -ENODEV;
6009
583c28e5 6010 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
489310a4
MC
6011 if (bp->link_up)
6012 return 0;
6013 return -ENODEV;
6014 }
c770a65c 6015 spin_lock_bh(&bp->phy_lock);
27a005b8
MC
6016 bnx2_enable_bmsr1(bp);
6017 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
6018 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
6019 bnx2_disable_bmsr1(bp);
c770a65c 6020 spin_unlock_bh(&bp->phy_lock);
6aa20a22 6021
b6016b76
MC
6022 if (bmsr & BMSR_LSTATUS) {
6023 return 0;
6024 }
6025 return -ENODEV;
6026}
6027
6028static int
6029bnx2_test_intr(struct bnx2 *bp)
6030{
6031 int i;
b6016b76
MC
6032 u16 status_idx;
6033
6034 if (!netif_running(bp->dev))
6035 return -ENODEV;
6036
e503e066 6037 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
b6016b76
MC
6038
6039 /* This register is not touched during run-time. */
e503e066
MC
6040 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
6041 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
6042
6043 for (i = 0; i < 10; i++) {
e503e066 6044 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
b6016b76
MC
6045 status_idx) {
6046
6047 break;
6048 }
6049
6050 msleep_interruptible(10);
6051 }
6052 if (i < 10)
6053 return 0;
6054
6055 return -ENODEV;
6056}
6057
38ea3686 6058/* Determining link for parallel detection. */
b2fadeae
MC
6059static int
6060bnx2_5706_serdes_has_link(struct bnx2 *bp)
6061{
6062 u32 mode_ctl, an_dbg, exp;
6063
38ea3686
MC
6064 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
6065 return 0;
6066
b2fadeae
MC
6067 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
6068 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
6069
6070 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
6071 return 0;
6072
6073 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6074 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6075 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6076
f3014c0c 6077 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
b2fadeae
MC
6078 return 0;
6079
6080 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6081 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6082 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6083
6084 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6085 return 0;
6086
6087 return 1;
6088}
6089
b6016b76 6090static void
48b01e2d 6091bnx2_5706_serdes_timer(struct bnx2 *bp)
b6016b76 6092{
b2fadeae
MC
6093 int check_link = 1;
6094
48b01e2d 6095 spin_lock(&bp->phy_lock);
b2fadeae 6096 if (bp->serdes_an_pending) {
48b01e2d 6097 bp->serdes_an_pending--;
b2fadeae
MC
6098 check_link = 0;
6099 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
48b01e2d 6100 u32 bmcr;
b6016b76 6101
ac392abc 6102 bp->current_interval = BNX2_TIMER_INTERVAL;
cd339a0e 6103
ca58c3af 6104 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 6105
48b01e2d 6106 if (bmcr & BMCR_ANENABLE) {
b2fadeae 6107 if (bnx2_5706_serdes_has_link(bp)) {
48b01e2d
MC
6108 bmcr &= ~BMCR_ANENABLE;
6109 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
ca58c3af 6110 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
583c28e5 6111 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d 6112 }
b6016b76 6113 }
48b01e2d
MC
6114 }
6115 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
583c28e5 6116 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
48b01e2d 6117 u32 phy2;
b6016b76 6118
48b01e2d
MC
6119 bnx2_write_phy(bp, 0x17, 0x0f01);
6120 bnx2_read_phy(bp, 0x15, &phy2);
6121 if (phy2 & 0x20) {
6122 u32 bmcr;
cd339a0e 6123
ca58c3af 6124 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
48b01e2d 6125 bmcr |= BMCR_ANENABLE;
ca58c3af 6126 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
b6016b76 6127
583c28e5 6128 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d
MC
6129 }
6130 } else
ac392abc 6131 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6132
a2724e25 6133 if (check_link) {
b2fadeae
MC
6134 u32 val;
6135
6136 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6137 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6138 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6139
a2724e25
MC
6140 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6141 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6142 bnx2_5706s_force_link_dn(bp, 1);
6143 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6144 } else
6145 bnx2_set_link(bp);
6146 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6147 bnx2_set_link(bp);
b2fadeae 6148 }
48b01e2d
MC
6149 spin_unlock(&bp->phy_lock);
6150}
b6016b76 6151
f8dd064e
MC
6152static void
6153bnx2_5708_serdes_timer(struct bnx2 *bp)
6154{
583c28e5 6155 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
6156 return;
6157
583c28e5 6158 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
f8dd064e
MC
6159 bp->serdes_an_pending = 0;
6160 return;
6161 }
b6016b76 6162
f8dd064e
MC
6163 spin_lock(&bp->phy_lock);
6164 if (bp->serdes_an_pending)
6165 bp->serdes_an_pending--;
6166 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6167 u32 bmcr;
b6016b76 6168
ca58c3af 6169 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
f8dd064e 6170 if (bmcr & BMCR_ANENABLE) {
605a9e20 6171 bnx2_enable_forced_2g5(bp);
40105c0b 6172 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
f8dd064e 6173 } else {
605a9e20 6174 bnx2_disable_forced_2g5(bp);
f8dd064e 6175 bp->serdes_an_pending = 2;
ac392abc 6176 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6177 }
b6016b76 6178
f8dd064e 6179 } else
ac392abc 6180 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6181
f8dd064e
MC
6182 spin_unlock(&bp->phy_lock);
6183}
6184
48b01e2d 6185static void
e99e88a9 6186bnx2_timer(struct timer_list *t)
48b01e2d 6187{
e99e88a9 6188 struct bnx2 *bp = from_timer(bp, t, timer);
b6016b76 6189
48b01e2d
MC
6190 if (!netif_running(bp->dev))
6191 return;
b6016b76 6192
48b01e2d
MC
6193 if (atomic_read(&bp->intr_sem) != 0)
6194 goto bnx2_restart_timer;
b6016b76 6195
efba0180
MC
6196 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6197 BNX2_FLAG_USING_MSI)
6198 bnx2_chk_missed_msi(bp);
6199
df149d70 6200 bnx2_send_heart_beat(bp);
b6016b76 6201
2726d6e1
MC
6202 bp->stats_blk->stat_FwRxDrop =
6203 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
b6016b76 6204
02537b06 6205 /* workaround occasional corrupted counters */
61d9e3fa 6206 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
e503e066
MC
6207 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6208 BNX2_HC_COMMAND_STATS_NOW);
02537b06 6209
583c28e5 6210 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 6211 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
f8dd064e 6212 bnx2_5706_serdes_timer(bp);
27a005b8 6213 else
f8dd064e 6214 bnx2_5708_serdes_timer(bp);
b6016b76
MC
6215 }
6216
6217bnx2_restart_timer:
cd339a0e 6218 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
6219}
6220
8e6a72c4
MC
6221static int
6222bnx2_request_irq(struct bnx2 *bp)
6223{
6d866ffc 6224 unsigned long flags;
b4b36042
MC
6225 struct bnx2_irq *irq;
6226 int rc = 0, i;
8e6a72c4 6227
f86e82fb 6228 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6d866ffc
MC
6229 flags = 0;
6230 else
6231 flags = IRQF_SHARED;
b4b36042
MC
6232
6233 for (i = 0; i < bp->irq_nvecs; i++) {
6234 irq = &bp->irq_tbl[i];
c76c0475 6235 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
f0ea2e63 6236 &bp->bnx2_napi[i]);
b4b36042
MC
6237 if (rc)
6238 break;
6239 irq->requested = 1;
6240 }
8e6a72c4
MC
6241 return rc;
6242}
6243
6244static void
a29ba9d2 6245__bnx2_free_irq(struct bnx2 *bp)
8e6a72c4 6246{
b4b36042
MC
6247 struct bnx2_irq *irq;
6248 int i;
8e6a72c4 6249
b4b36042
MC
6250 for (i = 0; i < bp->irq_nvecs; i++) {
6251 irq = &bp->irq_tbl[i];
6252 if (irq->requested)
f0ea2e63 6253 free_irq(irq->vector, &bp->bnx2_napi[i]);
b4b36042 6254 irq->requested = 0;
6d866ffc 6255 }
a29ba9d2
MC
6256}
6257
6258static void
6259bnx2_free_irq(struct bnx2 *bp)
6260{
6261
6262 __bnx2_free_irq(bp);
f86e82fb 6263 if (bp->flags & BNX2_FLAG_USING_MSI)
b4b36042 6264 pci_disable_msi(bp->pdev);
f86e82fb 6265 else if (bp->flags & BNX2_FLAG_USING_MSIX)
b4b36042
MC
6266 pci_disable_msix(bp->pdev);
6267
f86e82fb 6268 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
b4b36042
MC
6269}
6270
6271static void
5e9ad9e1 6272bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
b4b36042 6273{
f2a2dfeb 6274 int i, total_vecs;
57851d84 6275 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
4e1d0de9
MC
6276 struct net_device *dev = bp->dev;
6277 const int len = sizeof(bp->irq_tbl[0].name);
57851d84 6278
b4b36042 6279 bnx2_setup_msix_tbl(bp);
e503e066
MC
6280 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6281 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6282 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
57851d84 6283
e2eb8e38
BL
6284 /* Need to flush the previous three writes to ensure MSI-X
6285 * is setup properly */
e503e066 6286 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
e2eb8e38 6287
57851d84
MC
6288 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6289 msix_ent[i].entry = i;
6290 msix_ent[i].vector = 0;
6291 }
6292
379b39a2
MC
6293 total_vecs = msix_vecs;
6294#ifdef BCM_CNIC
6295 total_vecs++;
6296#endif
f2a2dfeb
AG
6297 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
6298 BNX2_MIN_MSIX_VEC, total_vecs);
6299 if (total_vecs < 0)
57851d84
MC
6300 return;
6301
379b39a2
MC
6302 msix_vecs = total_vecs;
6303#ifdef BCM_CNIC
6304 msix_vecs--;
6305#endif
5e9ad9e1 6306 bp->irq_nvecs = msix_vecs;
f86e82fb 6307 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
379b39a2 6308 for (i = 0; i < total_vecs; i++) {
57851d84 6309 bp->irq_tbl[i].vector = msix_ent[i].vector;
69010313
MC
6310 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6311 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6312 }
6d866ffc
MC
6313}
6314
657d92fe 6315static int
6d866ffc
MC
6316bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6317{
0a742128 6318 int cpus = netif_get_num_default_rss_queues();
b033281f
MC
6319 int msix_vecs;
6320
6321 if (!bp->num_req_rx_rings)
6322 msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
6323 else if (!bp->num_req_tx_rings)
6324 msix_vecs = max(cpus, bp->num_req_rx_rings);
6325 else
6326 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
6327
6328 msix_vecs = min(msix_vecs, RX_MAX_RINGS);
5e9ad9e1 6329
6d866ffc
MC
6330 bp->irq_tbl[0].handler = bnx2_interrupt;
6331 strcpy(bp->irq_tbl[0].name, bp->dev->name);
b4b36042
MC
6332 bp->irq_nvecs = 1;
6333 bp->irq_tbl[0].vector = bp->pdev->irq;
6334
3d5f3a7b 6335 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5e9ad9e1 6336 bnx2_enable_msix(bp, msix_vecs);
6d866ffc 6337
f86e82fb
DM
6338 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6339 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6d866ffc 6340 if (pci_enable_msi(bp->pdev) == 0) {
f86e82fb 6341 bp->flags |= BNX2_FLAG_USING_MSI;
4ce45e02 6342 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
f86e82fb 6343 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6d866ffc
MC
6344 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6345 } else
6346 bp->irq_tbl[0].handler = bnx2_msi;
b4b36042
MC
6347
6348 bp->irq_tbl[0].vector = bp->pdev->irq;
6d866ffc
MC
6349 }
6350 }
706bf240 6351
b033281f
MC
6352 if (!bp->num_req_tx_rings)
6353 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6354 else
6355 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
6356
6357 if (!bp->num_req_rx_rings)
6358 bp->num_rx_rings = bp->irq_nvecs;
6359 else
6360 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
6361
657d92fe 6362 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
706bf240 6363
657d92fe 6364 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
8e6a72c4
MC
6365}
6366
b6016b76
MC
6367/* Called with rtnl_lock */
6368static int
6369bnx2_open(struct net_device *dev)
6370{
972ec0d4 6371 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
6372 int rc;
6373
5d0d4b91
BH
6374 rc = bnx2_request_firmware(bp);
6375 if (rc < 0)
6376 goto out;
6377
1b2f922f
MC
6378 netif_carrier_off(dev);
6379
b6016b76
MC
6380 bnx2_disable_int(bp);
6381
657d92fe
BH
6382 rc = bnx2_setup_int_mode(bp, disable_msi);
6383 if (rc)
6384 goto open_err;
4327ba43 6385 bnx2_init_napi(bp);
35e9010b 6386 bnx2_napi_enable(bp);
b6016b76 6387 rc = bnx2_alloc_mem(bp);
2739a8bb
MC
6388 if (rc)
6389 goto open_err;
b6016b76 6390
8e6a72c4 6391 rc = bnx2_request_irq(bp);
2739a8bb
MC
6392 if (rc)
6393 goto open_err;
b6016b76 6394
9a120bc5 6395 rc = bnx2_init_nic(bp, 1);
2739a8bb
MC
6396 if (rc)
6397 goto open_err;
6aa20a22 6398
cd339a0e 6399 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
6400
6401 atomic_set(&bp->intr_sem, 0);
6402
354fcd77
MC
6403 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6404
b6016b76
MC
6405 bnx2_enable_int(bp);
6406
f86e82fb 6407 if (bp->flags & BNX2_FLAG_USING_MSI) {
b6016b76
MC
6408 /* Test MSI to make sure it is working
6409 * If MSI test fails, go back to INTx mode
6410 */
6411 if (bnx2_test_intr(bp) != 0) {
3a9c6a49 6412 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");
b6016b76
MC
6413
6414 bnx2_disable_int(bp);
8e6a72c4 6415 bnx2_free_irq(bp);
b6016b76 6416
6d866ffc
MC
6417 bnx2_setup_int_mode(bp, 1);
6418
9a120bc5 6419 rc = bnx2_init_nic(bp, 0);
b6016b76 6420
8e6a72c4
MC
6421 if (!rc)
6422 rc = bnx2_request_irq(bp);
6423
b6016b76 6424 if (rc) {
b6016b76 6425 del_timer_sync(&bp->timer);
2739a8bb 6426 goto open_err;
b6016b76
MC
6427 }
6428 bnx2_enable_int(bp);
6429 }
6430 }
f86e82fb 6431 if (bp->flags & BNX2_FLAG_USING_MSI)
3a9c6a49 6432 netdev_info(dev, "using MSI\n");
f86e82fb 6433 else if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49 6434 netdev_info(dev, "using MSIX\n");
b6016b76 6435
706bf240 6436 netif_tx_start_all_queues(dev);
7880b72e 6437out:
6438 return rc;
2739a8bb
MC
6439
6440open_err:
6441 bnx2_napi_disable(bp);
6442 bnx2_free_skbs(bp);
6443 bnx2_free_irq(bp);
6444 bnx2_free_mem(bp);
f048fa9c 6445 bnx2_del_napi(bp);
5d0d4b91 6446 bnx2_release_firmware(bp);
7880b72e 6447 goto out;
b6016b76
MC
6448}
6449
6450static void
c4028958 6451bnx2_reset_task(struct work_struct *work)
b6016b76 6452{
c4028958 6453 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
cd634019 6454 int rc;
efdfad32 6455 u16 pcicmd;
b6016b76 6456
51bf6bb4
MC
6457 rtnl_lock();
6458 if (!netif_running(bp->dev)) {
6459 rtnl_unlock();
afdc08b9 6460 return;
51bf6bb4 6461 }
afdc08b9 6462
212f9934 6463 bnx2_netif_stop(bp, true);
b6016b76 6464
efdfad32
MC
6465 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
6466 if (!(pcicmd & PCI_COMMAND_MEMORY)) {
6467 /* in case PCI block has reset */
6468 pci_restore_state(bp->pdev);
6469 pci_save_state(bp->pdev);
6470 }
cd634019
MC
6471 rc = bnx2_init_nic(bp, 1);
6472 if (rc) {
6473 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6474 bnx2_napi_enable(bp);
6475 dev_close(bp->dev);
6476 rtnl_unlock();
6477 return;
6478 }
b6016b76
MC
6479
6480 atomic_set(&bp->intr_sem, 1);
212f9934 6481 bnx2_netif_start(bp, true);
51bf6bb4 6482 rtnl_unlock();
b6016b76
MC
6483}
6484
555069da
MC
6485#define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
6486
6487static void
6488bnx2_dump_ftq(struct bnx2 *bp)
6489{
6490 int i;
6491 u32 reg, bdidx, cid, valid;
6492 struct net_device *dev = bp->dev;
6493 static const struct ftq_reg {
6494 char *name;
6495 u32 off;
6496 } ftq_arr[] = {
6497 BNX2_FTQ_ENTRY(RV2P_P),
6498 BNX2_FTQ_ENTRY(RV2P_T),
6499 BNX2_FTQ_ENTRY(RV2P_M),
6500 BNX2_FTQ_ENTRY(TBDR_),
6501 BNX2_FTQ_ENTRY(TDMA_),
6502 BNX2_FTQ_ENTRY(TXP_),
6503 BNX2_FTQ_ENTRY(TXP_),
6504 BNX2_FTQ_ENTRY(TPAT_),
6505 BNX2_FTQ_ENTRY(RXP_C),
6506 BNX2_FTQ_ENTRY(RXP_),
6507 BNX2_FTQ_ENTRY(COM_COMXQ_),
6508 BNX2_FTQ_ENTRY(COM_COMTQ_),
6509 BNX2_FTQ_ENTRY(COM_COMQ_),
6510 BNX2_FTQ_ENTRY(CP_CPQ_),
6511 };
6512
6513 netdev_err(dev, "<--- start FTQ dump --->\n");
6514 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
6515 netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
6516 bnx2_reg_rd_ind(bp, ftq_arr[i].off));
6517
6518 netdev_err(dev, "CPU states:\n");
6519 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
6520 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
6521 reg, bnx2_reg_rd_ind(bp, reg),
6522 bnx2_reg_rd_ind(bp, reg + 4),
6523 bnx2_reg_rd_ind(bp, reg + 8),
6524 bnx2_reg_rd_ind(bp, reg + 0x1c),
6525 bnx2_reg_rd_ind(bp, reg + 0x1c),
6526 bnx2_reg_rd_ind(bp, reg + 0x20));
6527
6528 netdev_err(dev, "<--- end FTQ dump --->\n");
6529 netdev_err(dev, "<--- start TBDC dump --->\n");
6530 netdev_err(dev, "TBDC free cnt: %ld\n",
e503e066 6531 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
555069da
MC
6532 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
6533 for (i = 0; i < 0x20; i++) {
6534 int j = 0;
6535
e503e066
MC
6536 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
6537 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
6538 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
6539 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
6540 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
555069da
MC
6541 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
6542 j++;
6543
e503e066
MC
6544 cid = BNX2_RD(bp, BNX2_TBDC_CID);
6545 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
6546 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
555069da
MC
6547 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
6548 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
6549 bdidx >> 24, (valid >> 8) & 0x0ff);
6550 }
6551 netdev_err(dev, "<--- end TBDC dump --->\n");
6552}
6553
20175c57
MC
6554static void
6555bnx2_dump_state(struct bnx2 *bp)
6556{
6557 struct net_device *dev = bp->dev;
ecdbf6e0 6558 u32 val1, val2;
5804a8fb
MC
6559
6560 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6561 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6562 atomic_read(&bp->intr_sem), val1);
6563 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6564 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6565 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
b98eba52 6566 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
e503e066
MC
6567 BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
6568 BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
b98eba52 6569 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
e503e066 6570 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
3a9c6a49 6571 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
e503e066 6572 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
20175c57 6573 if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49 6574 netdev_err(dev, "DEBUG: PBA[%08x]\n",
e503e066 6575 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
20175c57
MC
6576}
6577
b6016b76
MC
6578static void
6579bnx2_tx_timeout(struct net_device *dev)
6580{
972ec0d4 6581 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6582
555069da 6583 bnx2_dump_ftq(bp);
20175c57 6584 bnx2_dump_state(bp);
ecdbf6e0 6585 bnx2_dump_mcp_state(bp);
20175c57 6586
b6016b76
MC
6587 /* This allows the netif to be shutdown gracefully before resetting */
6588 schedule_work(&bp->reset_task);
6589}
6590
932ff279 6591/* Called with netif_tx_lock.
2f8af120
MC
6592 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6593 * netif_wake_queue().
b6016b76 6594 */
61357325 6595static netdev_tx_t
b6016b76
MC
6596bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6597{
972ec0d4 6598 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6599 dma_addr_t mapping;
2bc4078e
MC
6600 struct bnx2_tx_bd *txbd;
6601 struct bnx2_sw_tx_bd *tx_buf;
b6016b76
MC
6602 u32 len, vlan_tag_flags, last_frag, mss;
6603 u16 prod, ring_prod;
6604 int i;
706bf240
BL
6605 struct bnx2_napi *bnapi;
6606 struct bnx2_tx_ring_info *txr;
6607 struct netdev_queue *txq;
6608
6609 /* Determine which tx ring we will be placed on */
6610 i = skb_get_queue_mapping(skb);
6611 bnapi = &bp->bnx2_napi[i];
6612 txr = &bnapi->tx_ring;
6613 txq = netdev_get_tx_queue(dev, i);
b6016b76 6614
35e9010b 6615 if (unlikely(bnx2_tx_avail(bp, txr) <
a550c99b 6616 (skb_shinfo(skb)->nr_frags + 1))) {
706bf240 6617 netif_tx_stop_queue(txq);
3a9c6a49 6618 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
b6016b76
MC
6619
6620 return NETDEV_TX_BUSY;
6621 }
6622 len = skb_headlen(skb);
35e9010b 6623 prod = txr->tx_prod;
2bc4078e 6624 ring_prod = BNX2_TX_RING_IDX(prod);
b6016b76
MC
6625
6626 vlan_tag_flags = 0;
84fa7933 6627 if (skb->ip_summed == CHECKSUM_PARTIAL) {
b6016b76
MC
6628 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6629 }
6630
df8a39de 6631 if (skb_vlan_tag_present(skb)) {
b6016b76 6632 vlan_tag_flags |=
df8a39de 6633 (TX_BD_FLAGS_VLAN_TAG | (skb_vlan_tag_get(skb) << 16));
b6016b76 6634 }
7d0fd211 6635
fde82055 6636 if ((mss = skb_shinfo(skb)->gso_size)) {
a1efb4b6 6637 u32 tcp_opt_len;
eddc9ec5 6638 struct iphdr *iph;
b6016b76 6639
b6016b76
MC
6640 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6641
4666f87a
MC
6642 tcp_opt_len = tcp_optlen(skb);
6643
6644 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6645 u32 tcp_off = skb_transport_offset(skb) -
6646 sizeof(struct ipv6hdr) - ETH_HLEN;
ab6a5bb6 6647
4666f87a
MC
6648 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6649 TX_BD_FLAGS_SW_FLAGS;
6650 if (likely(tcp_off == 0))
6651 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6652 else {
6653 tcp_off >>= 3;
6654 vlan_tag_flags |= ((tcp_off & 0x3) <<
6655 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6656 ((tcp_off & 0x10) <<
6657 TX_BD_FLAGS_TCP6_OFF4_SHL);
6658 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6659 }
6660 } else {
4666f87a 6661 iph = ip_hdr(skb);
4666f87a
MC
6662 if (tcp_opt_len || (iph->ihl > 5)) {
6663 vlan_tag_flags |= ((iph->ihl - 5) +
6664 (tcp_opt_len >> 2)) << 8;
6665 }
b6016b76 6666 }
4666f87a 6667 } else
b6016b76 6668 mss = 0;
b6016b76 6669
36227e88
SG
6670 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6671 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
f458b2ee 6672 dev_kfree_skb_any(skb);
3d16af86
BL
6673 return NETDEV_TX_OK;
6674 }
6675
35e9010b 6676 tx_buf = &txr->tx_buf_ring[ring_prod];
b6016b76 6677 tx_buf->skb = skb;
1a4ccc2d 6678 dma_unmap_addr_set(tx_buf, mapping, mapping);
b6016b76 6679
35e9010b 6680 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC
6681
6682 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6683 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6684 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6685 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6686
6687 last_frag = skb_shinfo(skb)->nr_frags;
d62fda08
ED
6688 tx_buf->nr_frags = last_frag;
6689 tx_buf->is_gso = skb_is_gso(skb);
b6016b76
MC
6690
6691 for (i = 0; i < last_frag; i++) {
9e903e08 6692 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
b6016b76 6693
2bc4078e
MC
6694 prod = BNX2_NEXT_TX_BD(prod);
6695 ring_prod = BNX2_TX_RING_IDX(prod);
35e9010b 6696 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76 6697
9e903e08 6698 len = skb_frag_size(frag);
b7b6a688 6699 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
5d6bcdfe 6700 DMA_TO_DEVICE);
36227e88 6701 if (dma_mapping_error(&bp->pdev->dev, mapping))
e95524a7 6702 goto dma_error;
1a4ccc2d 6703 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
e95524a7 6704 mapping);
b6016b76
MC
6705
6706 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6707 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6708 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6709 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6710
6711 }
6712 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6713
94bf91ba
VZ
6714 /* Sync BD data before updating TX mailbox */
6715 wmb();
6716
e9831909
ED
6717 netdev_tx_sent_queue(txq, skb->len);
6718
2bc4078e 6719 prod = BNX2_NEXT_TX_BD(prod);
35e9010b 6720 txr->tx_prod_bseq += skb->len;
b6016b76 6721
e503e066
MC
6722 BNX2_WR16(bp, txr->tx_bidx_addr, prod);
6723 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC
6724
6725 mmiowb();
6726
35e9010b 6727 txr->tx_prod = prod;
b6016b76 6728
35e9010b 6729 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
706bf240 6730 netif_tx_stop_queue(txq);
11848b96
MC
6731
6732 /* netif_tx_stop_queue() must be done before checking
6733 * tx index in bnx2_tx_avail() below, because in
6734 * bnx2_tx_int(), we update tx index before checking for
6735 * netif_tx_queue_stopped().
6736 */
6737 smp_mb();
35e9010b 6738 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
706bf240 6739 netif_tx_wake_queue(txq);
b6016b76
MC
6740 }
6741
e95524a7
AD
6742 return NETDEV_TX_OK;
6743dma_error:
6744 /* save value of frag that failed */
6745 last_frag = i;
6746
6747 /* start back at beginning and unmap skb */
6748 prod = txr->tx_prod;
2bc4078e 6749 ring_prod = BNX2_TX_RING_IDX(prod);
e95524a7
AD
6750 tx_buf = &txr->tx_buf_ring[ring_prod];
6751 tx_buf->skb = NULL;
36227e88 6752 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7
AD
6753 skb_headlen(skb), PCI_DMA_TODEVICE);
6754
6755 /* unmap remaining mapped pages */
6756 for (i = 0; i < last_frag; i++) {
2bc4078e
MC
6757 prod = BNX2_NEXT_TX_BD(prod);
6758 ring_prod = BNX2_TX_RING_IDX(prod);
e95524a7 6759 tx_buf = &txr->tx_buf_ring[ring_prod];
36227e88 6760 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
9e903e08 6761 skb_frag_size(&skb_shinfo(skb)->frags[i]),
e95524a7
AD
6762 PCI_DMA_TODEVICE);
6763 }
6764
f458b2ee 6765 dev_kfree_skb_any(skb);
b6016b76
MC
6766 return NETDEV_TX_OK;
6767}
6768
6769/* Called with rtnl_lock */
6770static int
6771bnx2_close(struct net_device *dev)
6772{
972ec0d4 6773 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6774
bea3348e 6775 bnx2_disable_int_sync(bp);
35efa7c1 6776 bnx2_napi_disable(bp);
d2e553bc 6777 netif_tx_disable(dev);
b6016b76 6778 del_timer_sync(&bp->timer);
74bf4ba3 6779 bnx2_shutdown_chip(bp);
8e6a72c4 6780 bnx2_free_irq(bp);
b6016b76
MC
6781 bnx2_free_skbs(bp);
6782 bnx2_free_mem(bp);
f048fa9c 6783 bnx2_del_napi(bp);
b6016b76
MC
6784 bp->link_up = 0;
6785 netif_carrier_off(bp->dev);
b6016b76
MC
6786 return 0;
6787}
6788
354fcd77
MC
6789static void
6790bnx2_save_stats(struct bnx2 *bp)
6791{
6792 u32 *hw_stats = (u32 *) bp->stats_blk;
6793 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6794 int i;
6795
6796 /* The 1st 10 counters are 64-bit counters */
6797 for (i = 0; i < 20; i += 2) {
6798 u32 hi;
6799 u64 lo;
6800
c9885fe5
PR
6801 hi = temp_stats[i] + hw_stats[i];
6802 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
354fcd77
MC
6803 if (lo > 0xffffffff)
6804 hi++;
c9885fe5
PR
6805 temp_stats[i] = hi;
6806 temp_stats[i + 1] = lo & 0xffffffff;
354fcd77
MC
6807 }
6808
6809 for ( ; i < sizeof(struct statistics_block) / 4; i++)
c9885fe5 6810 temp_stats[i] += hw_stats[i];
354fcd77
MC
6811}
6812
5d07bf26
ED
6813#define GET_64BIT_NET_STATS64(ctr) \
6814 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
b6016b76 6815
a4743058 6816#define GET_64BIT_NET_STATS(ctr) \
354fcd77
MC
6817 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6818 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
b6016b76 6819
a4743058 6820#define GET_32BIT_NET_STATS(ctr) \
354fcd77
MC
6821 (unsigned long) (bp->stats_blk->ctr + \
6822 bp->temp_stats_blk->ctr)
a4743058 6823
bc1f4470 6824static void
5d07bf26 6825bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
b6016b76 6826{
972ec0d4 6827 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6828
5d07bf26 6829 if (bp->stats_blk == NULL)
bc1f4470 6830 return;
5d07bf26 6831
b6016b76 6832 net_stats->rx_packets =
a4743058
MC
6833 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6834 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6835 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
b6016b76
MC
6836
6837 net_stats->tx_packets =
a4743058
MC
6838 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6839 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6840 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
b6016b76
MC
6841
6842 net_stats->rx_bytes =
a4743058 6843 GET_64BIT_NET_STATS(stat_IfHCInOctets);
b6016b76
MC
6844
6845 net_stats->tx_bytes =
a4743058 6846 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
b6016b76 6847
6aa20a22 6848 net_stats->multicast =
6fdae995 6849 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
b6016b76 6850
6aa20a22 6851 net_stats->collisions =
a4743058 6852 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
b6016b76 6853
6aa20a22 6854 net_stats->rx_length_errors =
a4743058
MC
6855 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6856 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
b6016b76 6857
6aa20a22 6858 net_stats->rx_over_errors =
a4743058
MC
6859 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6860 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
b6016b76 6861
6aa20a22 6862 net_stats->rx_frame_errors =
a4743058 6863 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
b6016b76 6864
6aa20a22 6865 net_stats->rx_crc_errors =
a4743058 6866 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
b6016b76
MC
6867
6868 net_stats->rx_errors = net_stats->rx_length_errors +
6869 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6870 net_stats->rx_crc_errors;
6871
6872 net_stats->tx_aborted_errors =
a4743058
MC
6873 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6874 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
b6016b76 6875
4ce45e02
MC
6876 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
6877 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
b6016b76
MC
6878 net_stats->tx_carrier_errors = 0;
6879 else {
6880 net_stats->tx_carrier_errors =
a4743058 6881 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
b6016b76
MC
6882 }
6883
6884 net_stats->tx_errors =
a4743058 6885 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
b6016b76
MC
6886 net_stats->tx_aborted_errors +
6887 net_stats->tx_carrier_errors;
6888
cea94db9 6889 net_stats->rx_missed_errors =
a4743058
MC
6890 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6891 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6892 GET_32BIT_NET_STATS(stat_FwRxDrop);
cea94db9 6893
b6016b76
MC
6894}
6895
6896/* All ethtool functions called with rtnl_lock */
6897
6898static int
08e10d4d
PR
6899bnx2_get_link_ksettings(struct net_device *dev,
6900 struct ethtool_link_ksettings *cmd)
b6016b76 6901{
972ec0d4 6902 struct bnx2 *bp = netdev_priv(dev);
7b6b8347 6903 int support_serdes = 0, support_copper = 0;
08e10d4d 6904 u32 supported, advertising;
b6016b76 6905
08e10d4d 6906 supported = SUPPORTED_Autoneg;
583c28e5 6907 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC
6908 support_serdes = 1;
6909 support_copper = 1;
6910 } else if (bp->phy_port == PORT_FIBRE)
6911 support_serdes = 1;
6912 else
6913 support_copper = 1;
6914
6915 if (support_serdes) {
08e10d4d 6916 supported |= SUPPORTED_1000baseT_Full |
b6016b76 6917 SUPPORTED_FIBRE;
583c28e5 6918 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
08e10d4d 6919 supported |= SUPPORTED_2500baseX_Full;
b6016b76 6920 }
7b6b8347 6921 if (support_copper) {
08e10d4d 6922 supported |= SUPPORTED_10baseT_Half |
b6016b76
MC
6923 SUPPORTED_10baseT_Full |
6924 SUPPORTED_100baseT_Half |
6925 SUPPORTED_100baseT_Full |
6926 SUPPORTED_1000baseT_Full |
6927 SUPPORTED_TP;
b6016b76
MC
6928 }
6929
7b6b8347 6930 spin_lock_bh(&bp->phy_lock);
08e10d4d
PR
6931 cmd->base.port = bp->phy_port;
6932 advertising = bp->advertising;
b6016b76
MC
6933
6934 if (bp->autoneg & AUTONEG_SPEED) {
08e10d4d 6935 cmd->base.autoneg = AUTONEG_ENABLE;
70739497 6936 } else {
08e10d4d 6937 cmd->base.autoneg = AUTONEG_DISABLE;
b6016b76
MC
6938 }
6939
6940 if (netif_carrier_ok(dev)) {
08e10d4d
PR
6941 cmd->base.speed = bp->line_speed;
6942 cmd->base.duplex = bp->duplex;
4016badd
MC
6943 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
6944 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
08e10d4d 6945 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
4016badd 6946 else
08e10d4d 6947 cmd->base.eth_tp_mdix = ETH_TP_MDI;
4016badd 6948 }
b6016b76
MC
6949 }
6950 else {
08e10d4d
PR
6951 cmd->base.speed = SPEED_UNKNOWN;
6952 cmd->base.duplex = DUPLEX_UNKNOWN;
b6016b76 6953 }
7b6b8347 6954 spin_unlock_bh(&bp->phy_lock);
b6016b76 6955
08e10d4d
PR
6956 cmd->base.phy_address = bp->phy_addr;
6957
6958 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
6959 supported);
6960 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
6961 advertising);
b6016b76
MC
6962
6963 return 0;
6964}
6aa20a22 6965
b6016b76 6966static int
08e10d4d
PR
6967bnx2_set_link_ksettings(struct net_device *dev,
6968 const struct ethtool_link_ksettings *cmd)
b6016b76 6969{
972ec0d4 6970 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
6971 u8 autoneg = bp->autoneg;
6972 u8 req_duplex = bp->req_duplex;
6973 u16 req_line_speed = bp->req_line_speed;
6974 u32 advertising = bp->advertising;
7b6b8347
MC
6975 int err = -EINVAL;
6976
6977 spin_lock_bh(&bp->phy_lock);
6978
08e10d4d 6979 if (cmd->base.port != PORT_TP && cmd->base.port != PORT_FIBRE)
7b6b8347
MC
6980 goto err_out_unlock;
6981
08e10d4d 6982 if (cmd->base.port != bp->phy_port &&
583c28e5 6983 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
7b6b8347 6984 goto err_out_unlock;
b6016b76 6985
d6b14486
MC
6986 /* If device is down, we can store the settings only if the user
6987 * is setting the currently active port.
6988 */
08e10d4d 6989 if (!netif_running(dev) && cmd->base.port != bp->phy_port)
d6b14486
MC
6990 goto err_out_unlock;
6991
08e10d4d 6992 if (cmd->base.autoneg == AUTONEG_ENABLE) {
b6016b76
MC
6993 autoneg |= AUTONEG_SPEED;
6994
08e10d4d
PR
6995 ethtool_convert_link_mode_to_legacy_u32(
6996 &advertising, cmd->link_modes.advertising);
6997
6998 if (cmd->base.port == PORT_TP) {
beb499af
MC
6999 advertising &= ETHTOOL_ALL_COPPER_SPEED;
7000 if (!advertising)
b6016b76 7001 advertising = ETHTOOL_ALL_COPPER_SPEED;
beb499af
MC
7002 } else {
7003 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
7004 if (!advertising)
7005 advertising = ETHTOOL_ALL_FIBRE_SPEED;
b6016b76
MC
7006 }
7007 advertising |= ADVERTISED_Autoneg;
7008 }
7009 else {
08e10d4d
PR
7010 u32 speed = cmd->base.speed;
7011
7012 if (cmd->base.port == PORT_FIBRE) {
25db0338
DD
7013 if ((speed != SPEED_1000 &&
7014 speed != SPEED_2500) ||
08e10d4d 7015 (cmd->base.duplex != DUPLEX_FULL))
7b6b8347 7016 goto err_out_unlock;
80be4434 7017
25db0338 7018 if (speed == SPEED_2500 &&
583c28e5 7019 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
7b6b8347 7020 goto err_out_unlock;
25db0338 7021 } else if (speed == SPEED_1000 || speed == SPEED_2500)
7b6b8347
MC
7022 goto err_out_unlock;
7023
b6016b76 7024 autoneg &= ~AUTONEG_SPEED;
25db0338 7025 req_line_speed = speed;
08e10d4d 7026 req_duplex = cmd->base.duplex;
b6016b76
MC
7027 advertising = 0;
7028 }
7029
7030 bp->autoneg = autoneg;
7031 bp->advertising = advertising;
7032 bp->req_line_speed = req_line_speed;
7033 bp->req_duplex = req_duplex;
7034
d6b14486
MC
7035 err = 0;
7036 /* If device is down, the new settings will be picked up when it is
7037 * brought up.
7038 */
7039 if (netif_running(dev))
08e10d4d 7040 err = bnx2_setup_phy(bp, cmd->base.port);
b6016b76 7041
7b6b8347 7042err_out_unlock:
c770a65c 7043 spin_unlock_bh(&bp->phy_lock);
b6016b76 7044
7b6b8347 7045 return err;
b6016b76
MC
7046}
7047
7048static void
7049bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7050{
972ec0d4 7051 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7052
68aad78c
RJ
7053 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
7054 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
7055 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
7056 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
b6016b76
MC
7057}
7058
244ac4f4
MC
7059#define BNX2_REGDUMP_LEN (32 * 1024)
7060
7061static int
7062bnx2_get_regs_len(struct net_device *dev)
7063{
7064 return BNX2_REGDUMP_LEN;
7065}
7066
7067static void
7068bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
7069{
7070 u32 *p = _p, i, offset;
7071 u8 *orig_p = _p;
7072 struct bnx2 *bp = netdev_priv(dev);
b6bc7650
JP
7073 static const u32 reg_boundaries[] = {
7074 0x0000, 0x0098, 0x0400, 0x045c,
7075 0x0800, 0x0880, 0x0c00, 0x0c10,
7076 0x0c30, 0x0d08, 0x1000, 0x101c,
7077 0x1040, 0x1048, 0x1080, 0x10a4,
7078 0x1400, 0x1490, 0x1498, 0x14f0,
7079 0x1500, 0x155c, 0x1580, 0x15dc,
7080 0x1600, 0x1658, 0x1680, 0x16d8,
7081 0x1800, 0x1820, 0x1840, 0x1854,
7082 0x1880, 0x1894, 0x1900, 0x1984,
7083 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
7084 0x1c80, 0x1c94, 0x1d00, 0x1d84,
7085 0x2000, 0x2030, 0x23c0, 0x2400,
7086 0x2800, 0x2820, 0x2830, 0x2850,
7087 0x2b40, 0x2c10, 0x2fc0, 0x3058,
7088 0x3c00, 0x3c94, 0x4000, 0x4010,
7089 0x4080, 0x4090, 0x43c0, 0x4458,
7090 0x4c00, 0x4c18, 0x4c40, 0x4c54,
7091 0x4fc0, 0x5010, 0x53c0, 0x5444,
7092 0x5c00, 0x5c18, 0x5c80, 0x5c90,
7093 0x5fc0, 0x6000, 0x6400, 0x6428,
7094 0x6800, 0x6848, 0x684c, 0x6860,
7095 0x6888, 0x6910, 0x8000
7096 };
244ac4f4
MC
7097
7098 regs->version = 0;
7099
7100 memset(p, 0, BNX2_REGDUMP_LEN);
7101
7102 if (!netif_running(bp->dev))
7103 return;
7104
7105 i = 0;
7106 offset = reg_boundaries[0];
7107 p += offset;
7108 while (offset < BNX2_REGDUMP_LEN) {
e503e066 7109 *p++ = BNX2_RD(bp, offset);
244ac4f4
MC
7110 offset += 4;
7111 if (offset == reg_boundaries[i + 1]) {
7112 offset = reg_boundaries[i + 2];
7113 p = (u32 *) (orig_p + offset);
7114 i += 2;
7115 }
7116 }
7117}
7118
b6016b76
MC
7119static void
7120bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7121{
972ec0d4 7122 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7123
f86e82fb 7124 if (bp->flags & BNX2_FLAG_NO_WOL) {
b6016b76
MC
7125 wol->supported = 0;
7126 wol->wolopts = 0;
7127 }
7128 else {
7129 wol->supported = WAKE_MAGIC;
7130 if (bp->wol)
7131 wol->wolopts = WAKE_MAGIC;
7132 else
7133 wol->wolopts = 0;
7134 }
7135 memset(&wol->sopass, 0, sizeof(wol->sopass));
7136}
7137
7138static int
7139bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7140{
972ec0d4 7141 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7142
7143 if (wol->wolopts & ~WAKE_MAGIC)
7144 return -EINVAL;
7145
7146 if (wol->wolopts & WAKE_MAGIC) {
f86e82fb 7147 if (bp->flags & BNX2_FLAG_NO_WOL)
b6016b76
MC
7148 return -EINVAL;
7149
7150 bp->wol = 1;
7151 }
7152 else {
7153 bp->wol = 0;
7154 }
6d5e85c7
MC
7155
7156 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
7157
b6016b76
MC
7158 return 0;
7159}
7160
7161static int
7162bnx2_nway_reset(struct net_device *dev)
7163{
972ec0d4 7164 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7165 u32 bmcr;
7166
9f52b564
MC
7167 if (!netif_running(dev))
7168 return -EAGAIN;
7169
b6016b76
MC
7170 if (!(bp->autoneg & AUTONEG_SPEED)) {
7171 return -EINVAL;
7172 }
7173
c770a65c 7174 spin_lock_bh(&bp->phy_lock);
b6016b76 7175
583c28e5 7176 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC
7177 int rc;
7178
7179 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7180 spin_unlock_bh(&bp->phy_lock);
7181 return rc;
7182 }
7183
b6016b76 7184 /* Force a link down visible on the other side */
583c28e5 7185 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
ca58c3af 7186 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
c770a65c 7187 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7188
7189 msleep(20);
7190
c770a65c 7191 spin_lock_bh(&bp->phy_lock);
f8dd064e 7192
40105c0b 7193 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC
7194 bp->serdes_an_pending = 1;
7195 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
7196 }
7197
ca58c3af 7198 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 7199 bmcr &= ~BMCR_LOOPBACK;
ca58c3af 7200 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
b6016b76 7201
c770a65c 7202 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7203
7204 return 0;
7205}
7206
7959ea25
ON
7207static u32
7208bnx2_get_link(struct net_device *dev)
7209{
7210 struct bnx2 *bp = netdev_priv(dev);
7211
7212 return bp->link_up;
7213}
7214
b6016b76
MC
7215static int
7216bnx2_get_eeprom_len(struct net_device *dev)
7217{
972ec0d4 7218 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7219
1122db71 7220 if (bp->flash_info == NULL)
b6016b76
MC
7221 return 0;
7222
1122db71 7223 return (int) bp->flash_size;
b6016b76
MC
7224}
7225
7226static int
7227bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7228 u8 *eebuf)
7229{
972ec0d4 7230 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7231 int rc;
7232
1064e944 7233 /* parameters already validated in ethtool_get_eeprom */
b6016b76
MC
7234
7235 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7236
7237 return rc;
7238}
7239
7240static int
7241bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7242 u8 *eebuf)
7243{
972ec0d4 7244 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7245 int rc;
7246
1064e944 7247 /* parameters already validated in ethtool_set_eeprom */
b6016b76
MC
7248
7249 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7250
7251 return rc;
7252}
7253
7254static int
7255bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7256{
972ec0d4 7257 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7258
7259 memset(coal, 0, sizeof(struct ethtool_coalesce));
7260
7261 coal->rx_coalesce_usecs = bp->rx_ticks;
7262 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7263 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7264 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7265
7266 coal->tx_coalesce_usecs = bp->tx_ticks;
7267 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7268 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7269 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7270
7271 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7272
7273 return 0;
7274}
7275
7276static int
7277bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7278{
972ec0d4 7279 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7280
7281 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7282 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7283
6aa20a22 7284 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
b6016b76
MC
7285 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7286
7287 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7288 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7289
7290 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7291 if (bp->rx_quick_cons_trip_int > 0xff)
7292 bp->rx_quick_cons_trip_int = 0xff;
7293
7294 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7295 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7296
7297 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7298 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7299
7300 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7301 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7302
7303 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7304 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7305 0xff;
7306
7307 bp->stats_ticks = coal->stats_block_coalesce_usecs;
61d9e3fa 7308 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
02537b06
MC
7309 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7310 bp->stats_ticks = USEC_PER_SEC;
7311 }
7ea6920e
MC
7312 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7313 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7314 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76
MC
7315
7316 if (netif_running(bp->dev)) {
212f9934 7317 bnx2_netif_stop(bp, true);
9a120bc5 7318 bnx2_init_nic(bp, 0);
212f9934 7319 bnx2_netif_start(bp, true);
b6016b76
MC
7320 }
7321
7322 return 0;
7323}
7324
7325static void
7326bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7327{
972ec0d4 7328 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7329
2bc4078e
MC
7330 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
7331 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
b6016b76
MC
7332
7333 ering->rx_pending = bp->rx_ring_size;
47bf4246 7334 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
b6016b76 7335
2bc4078e 7336 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
b6016b76
MC
7337 ering->tx_pending = bp->tx_ring_size;
7338}
7339
7340static int
b033281f 7341bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
b6016b76 7342{
13daffa2 7343 if (netif_running(bp->dev)) {
354fcd77
MC
7344 /* Reset will erase chipset stats; save them */
7345 bnx2_save_stats(bp);
7346
212f9934 7347 bnx2_netif_stop(bp, true);
13daffa2 7348 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
b033281f
MC
7349 if (reset_irq) {
7350 bnx2_free_irq(bp);
7351 bnx2_del_napi(bp);
7352 } else {
7353 __bnx2_free_irq(bp);
7354 }
13daffa2
MC
7355 bnx2_free_skbs(bp);
7356 bnx2_free_mem(bp);
7357 }
7358
5d5d0015
MC
7359 bnx2_set_rx_ring_size(bp, rx);
7360 bp->tx_ring_size = tx;
b6016b76
MC
7361
7362 if (netif_running(bp->dev)) {
b033281f
MC
7363 int rc = 0;
7364
7365 if (reset_irq) {
7366 rc = bnx2_setup_int_mode(bp, disable_msi);
7367 bnx2_init_napi(bp);
7368 }
7369
7370 if (!rc)
7371 rc = bnx2_alloc_mem(bp);
13daffa2 7372
a29ba9d2
MC
7373 if (!rc)
7374 rc = bnx2_request_irq(bp);
7375
6fefb65e
MC
7376 if (!rc)
7377 rc = bnx2_init_nic(bp, 0);
7378
7379 if (rc) {
7380 bnx2_napi_enable(bp);
7381 dev_close(bp->dev);
13daffa2 7382 return rc;
6fefb65e 7383 }
e9f26c49
MC
7384#ifdef BCM_CNIC
7385 mutex_lock(&bp->cnic_lock);
7386 /* Let cnic know about the new status block. */
7387 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7388 bnx2_setup_cnic_irq_info(bp);
7389 mutex_unlock(&bp->cnic_lock);
7390#endif
212f9934 7391 bnx2_netif_start(bp, true);
b6016b76 7392 }
b6016b76
MC
7393 return 0;
7394}
7395
5d5d0015
MC
7396static int
7397bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7398{
7399 struct bnx2 *bp = netdev_priv(dev);
7400 int rc;
7401
2bc4078e
MC
7402 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
7403 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
5d5d0015
MC
7404 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7405
7406 return -EINVAL;
7407 }
b033281f
MC
7408 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
7409 false);
5d5d0015
MC
7410 return rc;
7411}
7412
b6016b76
MC
7413static void
7414bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7415{
972ec0d4 7416 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7417
7418 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7419 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7420 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7421}
7422
7423static int
7424bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7425{
972ec0d4 7426 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7427
7428 bp->req_flow_ctrl = 0;
7429 if (epause->rx_pause)
7430 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7431 if (epause->tx_pause)
7432 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7433
7434 if (epause->autoneg) {
7435 bp->autoneg |= AUTONEG_FLOW_CTRL;
7436 }
7437 else {
7438 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7439 }
7440
9f52b564
MC
7441 if (netif_running(dev)) {
7442 spin_lock_bh(&bp->phy_lock);
7443 bnx2_setup_phy(bp, bp->phy_port);
7444 spin_unlock_bh(&bp->phy_lock);
7445 }
b6016b76
MC
7446
7447 return 0;
7448}
7449
14ab9b86 7450static struct {
b6016b76 7451 char string[ETH_GSTRING_LEN];
790dab2f 7452} bnx2_stats_str_arr[] = {
b6016b76
MC
7453 { "rx_bytes" },
7454 { "rx_error_bytes" },
7455 { "tx_bytes" },
7456 { "tx_error_bytes" },
7457 { "rx_ucast_packets" },
7458 { "rx_mcast_packets" },
7459 { "rx_bcast_packets" },
7460 { "tx_ucast_packets" },
7461 { "tx_mcast_packets" },
7462 { "tx_bcast_packets" },
7463 { "tx_mac_errors" },
7464 { "tx_carrier_errors" },
7465 { "rx_crc_errors" },
7466 { "rx_align_errors" },
7467 { "tx_single_collisions" },
7468 { "tx_multi_collisions" },
7469 { "tx_deferred" },
7470 { "tx_excess_collisions" },
7471 { "tx_late_collisions" },
7472 { "tx_total_collisions" },
7473 { "rx_fragments" },
7474 { "rx_jabbers" },
7475 { "rx_undersize_packets" },
7476 { "rx_oversize_packets" },
7477 { "rx_64_byte_packets" },
7478 { "rx_65_to_127_byte_packets" },
7479 { "rx_128_to_255_byte_packets" },
7480 { "rx_256_to_511_byte_packets" },
7481 { "rx_512_to_1023_byte_packets" },
7482 { "rx_1024_to_1522_byte_packets" },
7483 { "rx_1523_to_9022_byte_packets" },
7484 { "tx_64_byte_packets" },
7485 { "tx_65_to_127_byte_packets" },
7486 { "tx_128_to_255_byte_packets" },
7487 { "tx_256_to_511_byte_packets" },
7488 { "tx_512_to_1023_byte_packets" },
7489 { "tx_1024_to_1522_byte_packets" },
7490 { "tx_1523_to_9022_byte_packets" },
7491 { "rx_xon_frames" },
7492 { "rx_xoff_frames" },
7493 { "tx_xon_frames" },
7494 { "tx_xoff_frames" },
7495 { "rx_mac_ctrl_frames" },
7496 { "rx_filtered_packets" },
790dab2f 7497 { "rx_ftq_discards" },
b6016b76 7498 { "rx_discards" },
cea94db9 7499 { "rx_fw_discards" },
b6016b76
MC
7500};
7501
0db83cd8 7502#define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
790dab2f 7503
b6016b76
MC
7504#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7505
f71e1309 7506static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC
7507 STATS_OFFSET32(stat_IfHCInOctets_hi),
7508 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7509 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7510 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7511 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7512 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7513 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7514 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7515 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7516 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7517 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6aa20a22
JG
7518 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7519 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7520 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7521 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7522 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7523 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7524 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7525 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7526 STATS_OFFSET32(stat_EtherStatsCollisions),
7527 STATS_OFFSET32(stat_EtherStatsFragments),
7528 STATS_OFFSET32(stat_EtherStatsJabbers),
7529 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7530 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7531 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7532 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7533 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7534 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7535 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7536 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7537 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7538 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7539 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7540 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7541 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7542 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7543 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7544 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7545 STATS_OFFSET32(stat_XonPauseFramesReceived),
7546 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7547 STATS_OFFSET32(stat_OutXonSent),
7548 STATS_OFFSET32(stat_OutXoffSent),
7549 STATS_OFFSET32(stat_MacControlFramesReceived),
7550 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
790dab2f 7551 STATS_OFFSET32(stat_IfInFTQDiscards),
6aa20a22 7552 STATS_OFFSET32(stat_IfInMBUFDiscards),
cea94db9 7553 STATS_OFFSET32(stat_FwRxDrop),
b6016b76
MC
7554};
7555
7556/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7557 * skipped because of errata.
6aa20a22 7558 */
14ab9b86 7559static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC
7560 8,0,8,8,8,8,8,8,8,8,
7561 4,0,4,4,4,4,4,4,4,4,
7562 4,4,4,4,4,4,4,4,4,4,
7563 4,4,4,4,4,4,4,4,4,4,
790dab2f 7564 4,4,4,4,4,4,4,
b6016b76
MC
7565};
7566
5b0c76ad
MC
7567static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7568 8,0,8,8,8,8,8,8,8,8,
7569 4,4,4,4,4,4,4,4,4,4,
7570 4,4,4,4,4,4,4,4,4,4,
7571 4,4,4,4,4,4,4,4,4,4,
790dab2f 7572 4,4,4,4,4,4,4,
5b0c76ad
MC
7573};
7574
b6016b76
MC
7575#define BNX2_NUM_TESTS 6
7576
14ab9b86 7577static struct {
b6016b76
MC
7578 char string[ETH_GSTRING_LEN];
7579} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7580 { "register_test (offline)" },
7581 { "memory_test (offline)" },
7582 { "loopback_test (offline)" },
7583 { "nvram_test (online)" },
7584 { "interrupt_test (online)" },
7585 { "link_test (online)" },
7586};
7587
7588static int
b9f2c044 7589bnx2_get_sset_count(struct net_device *dev, int sset)
b6016b76 7590{
b9f2c044
JG
7591 switch (sset) {
7592 case ETH_SS_TEST:
7593 return BNX2_NUM_TESTS;
7594 case ETH_SS_STATS:
7595 return BNX2_NUM_STATS;
7596 default:
7597 return -EOPNOTSUPP;
7598 }
b6016b76
MC
7599}
7600
7601static void
7602bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7603{
972ec0d4 7604 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7605
7606 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7607 if (etest->flags & ETH_TEST_FL_OFFLINE) {
80be4434
MC
7608 int i;
7609
212f9934 7610 bnx2_netif_stop(bp, true);
b6016b76
MC
7611 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7612 bnx2_free_skbs(bp);
7613
7614 if (bnx2_test_registers(bp) != 0) {
7615 buf[0] = 1;
7616 etest->flags |= ETH_TEST_FL_FAILED;
7617 }
7618 if (bnx2_test_memory(bp) != 0) {
7619 buf[1] = 1;
7620 etest->flags |= ETH_TEST_FL_FAILED;
7621 }
bc5a0690 7622 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
b6016b76 7623 etest->flags |= ETH_TEST_FL_FAILED;
b6016b76 7624
9f52b564
MC
7625 if (!netif_running(bp->dev))
7626 bnx2_shutdown_chip(bp);
b6016b76 7627 else {
9a120bc5 7628 bnx2_init_nic(bp, 1);
212f9934 7629 bnx2_netif_start(bp, true);
b6016b76
MC
7630 }
7631
7632 /* wait for link up */
80be4434
MC
7633 for (i = 0; i < 7; i++) {
7634 if (bp->link_up)
7635 break;
7636 msleep_interruptible(1000);
7637 }
b6016b76
MC
7638 }
7639
7640 if (bnx2_test_nvram(bp) != 0) {
7641 buf[3] = 1;
7642 etest->flags |= ETH_TEST_FL_FAILED;
7643 }
7644 if (bnx2_test_intr(bp) != 0) {
7645 buf[4] = 1;
7646 etest->flags |= ETH_TEST_FL_FAILED;
7647 }
7648
7649 if (bnx2_test_link(bp) != 0) {
7650 buf[5] = 1;
7651 etest->flags |= ETH_TEST_FL_FAILED;
7652
7653 }
7654}
7655
7656static void
7657bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7658{
7659 switch (stringset) {
7660 case ETH_SS_STATS:
7661 memcpy(buf, bnx2_stats_str_arr,
7662 sizeof(bnx2_stats_str_arr));
7663 break;
7664 case ETH_SS_TEST:
7665 memcpy(buf, bnx2_tests_str_arr,
7666 sizeof(bnx2_tests_str_arr));
7667 break;
7668 }
7669}
7670
b6016b76
MC
7671static void
7672bnx2_get_ethtool_stats(struct net_device *dev,
7673 struct ethtool_stats *stats, u64 *buf)
7674{
972ec0d4 7675 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7676 int i;
7677 u32 *hw_stats = (u32 *) bp->stats_blk;
354fcd77 7678 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
14ab9b86 7679 u8 *stats_len_arr = NULL;
b6016b76
MC
7680
7681 if (hw_stats == NULL) {
7682 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7683 return;
7684 }
7685
4ce45e02
MC
7686 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
7687 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
7688 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
7689 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
b6016b76 7690 stats_len_arr = bnx2_5706_stats_len_arr;
5b0c76ad
MC
7691 else
7692 stats_len_arr = bnx2_5708_stats_len_arr;
b6016b76
MC
7693
7694 for (i = 0; i < BNX2_NUM_STATS; i++) {
354fcd77
MC
7695 unsigned long offset;
7696
b6016b76
MC
7697 if (stats_len_arr[i] == 0) {
7698 /* skip this counter */
7699 buf[i] = 0;
7700 continue;
7701 }
354fcd77
MC
7702
7703 offset = bnx2_stats_offset_arr[i];
b6016b76
MC
7704 if (stats_len_arr[i] == 4) {
7705 /* 4-byte counter */
354fcd77
MC
7706 buf[i] = (u64) *(hw_stats + offset) +
7707 *(temp_stats + offset);
b6016b76
MC
7708 continue;
7709 }
7710 /* 8-byte counter */
354fcd77
MC
7711 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7712 *(hw_stats + offset + 1) +
7713 (((u64) *(temp_stats + offset)) << 32) +
7714 *(temp_stats + offset + 1);
b6016b76
MC
7715 }
7716}
7717
7718static int
2e17e1aa 7719bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
b6016b76 7720{
972ec0d4 7721 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7722
2e17e1aa 7723 switch (state) {
7724 case ETHTOOL_ID_ACTIVE:
e503e066
MC
7725 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
7726 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
fce55922 7727 return 1; /* cycle on/off once per second */
b6016b76 7728
2e17e1aa 7729 case ETHTOOL_ID_ON:
e503e066
MC
7730 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7731 BNX2_EMAC_LED_1000MB_OVERRIDE |
7732 BNX2_EMAC_LED_100MB_OVERRIDE |
7733 BNX2_EMAC_LED_10MB_OVERRIDE |
7734 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7735 BNX2_EMAC_LED_TRAFFIC);
2e17e1aa 7736 break;
b6016b76 7737
2e17e1aa 7738 case ETHTOOL_ID_OFF:
e503e066 7739 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
2e17e1aa 7740 break;
9f52b564 7741
2e17e1aa 7742 case ETHTOOL_ID_INACTIVE:
e503e066
MC
7743 BNX2_WR(bp, BNX2_EMAC_LED, 0);
7744 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
2e17e1aa 7745 break;
7746 }
9f52b564 7747
b6016b76
MC
7748 return 0;
7749}
7750
fdc8541d 7751static int
c8f44aff 7752bnx2_set_features(struct net_device *dev, netdev_features_t features)
fdc8541d 7753{
7d0fd211 7754 struct bnx2 *bp = netdev_priv(dev);
7d0fd211 7755
7c810477 7756 /* TSO with VLAN tag won't work with current firmware */
f646968f 7757 if (features & NETIF_F_HW_VLAN_CTAG_TX)
8d7dfc2b
MM
7758 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7759 else
7760 dev->vlan_features &= ~NETIF_F_ALL_TSO;
7d0fd211 7761
f646968f 7762 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
7d0fd211
JG
7763 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7764 netif_running(dev)) {
7765 bnx2_netif_stop(bp, false);
8d7dfc2b 7766 dev->features = features;
7d0fd211
JG
7767 bnx2_set_rx_mode(dev);
7768 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7769 bnx2_netif_start(bp, false);
8d7dfc2b 7770 return 1;
7d0fd211
JG
7771 }
7772
7773 return 0;
fdc8541d
MC
7774}
7775
b033281f
MC
7776static void bnx2_get_channels(struct net_device *dev,
7777 struct ethtool_channels *channels)
7778{
7779 struct bnx2 *bp = netdev_priv(dev);
7780 u32 max_rx_rings = 1;
7781 u32 max_tx_rings = 1;
7782
7783 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7784 max_rx_rings = RX_MAX_RINGS;
7785 max_tx_rings = TX_MAX_RINGS;
7786 }
7787
7788 channels->max_rx = max_rx_rings;
7789 channels->max_tx = max_tx_rings;
7790 channels->max_other = 0;
7791 channels->max_combined = 0;
7792 channels->rx_count = bp->num_rx_rings;
7793 channels->tx_count = bp->num_tx_rings;
7794 channels->other_count = 0;
7795 channels->combined_count = 0;
7796}
7797
7798static int bnx2_set_channels(struct net_device *dev,
7799 struct ethtool_channels *channels)
7800{
7801 struct bnx2 *bp = netdev_priv(dev);
7802 u32 max_rx_rings = 1;
7803 u32 max_tx_rings = 1;
7804 int rc = 0;
7805
7806 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7807 max_rx_rings = RX_MAX_RINGS;
7808 max_tx_rings = TX_MAX_RINGS;
7809 }
7810 if (channels->rx_count > max_rx_rings ||
7811 channels->tx_count > max_tx_rings)
7812 return -EINVAL;
7813
7814 bp->num_req_rx_rings = channels->rx_count;
7815 bp->num_req_tx_rings = channels->tx_count;
7816
7817 if (netif_running(dev))
7818 rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
7819 bp->tx_ring_size, true);
7820
7821 return rc;
7822}
7823
7282d491 7824static const struct ethtool_ops bnx2_ethtool_ops = {
b6016b76 7825 .get_drvinfo = bnx2_get_drvinfo,
244ac4f4
MC
7826 .get_regs_len = bnx2_get_regs_len,
7827 .get_regs = bnx2_get_regs,
b6016b76
MC
7828 .get_wol = bnx2_get_wol,
7829 .set_wol = bnx2_set_wol,
7830 .nway_reset = bnx2_nway_reset,
7959ea25 7831 .get_link = bnx2_get_link,
b6016b76
MC
7832 .get_eeprom_len = bnx2_get_eeprom_len,
7833 .get_eeprom = bnx2_get_eeprom,
7834 .set_eeprom = bnx2_set_eeprom,
7835 .get_coalesce = bnx2_get_coalesce,
7836 .set_coalesce = bnx2_set_coalesce,
7837 .get_ringparam = bnx2_get_ringparam,
7838 .set_ringparam = bnx2_set_ringparam,
7839 .get_pauseparam = bnx2_get_pauseparam,
7840 .set_pauseparam = bnx2_set_pauseparam,
b6016b76
MC
7841 .self_test = bnx2_self_test,
7842 .get_strings = bnx2_get_strings,
2e17e1aa 7843 .set_phys_id = bnx2_set_phys_id,
b6016b76 7844 .get_ethtool_stats = bnx2_get_ethtool_stats,
b9f2c044 7845 .get_sset_count = bnx2_get_sset_count,
b033281f
MC
7846 .get_channels = bnx2_get_channels,
7847 .set_channels = bnx2_set_channels,
08e10d4d
PR
7848 .get_link_ksettings = bnx2_get_link_ksettings,
7849 .set_link_ksettings = bnx2_set_link_ksettings,
b6016b76
MC
7850};
7851
7852/* Called with rtnl_lock */
7853static int
7854bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7855{
14ab9b86 7856 struct mii_ioctl_data *data = if_mii(ifr);
972ec0d4 7857 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7858 int err;
7859
7860 switch(cmd) {
7861 case SIOCGMIIPHY:
7862 data->phy_id = bp->phy_addr;
7863
7864 /* fallthru */
7865 case SIOCGMIIREG: {
7866 u32 mii_regval;
7867
583c28e5 7868 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC
7869 return -EOPNOTSUPP;
7870
dad3e452
MC
7871 if (!netif_running(dev))
7872 return -EAGAIN;
7873
c770a65c 7874 spin_lock_bh(&bp->phy_lock);
b6016b76 7875 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 7876 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7877
7878 data->val_out = mii_regval;
7879
7880 return err;
7881 }
7882
7883 case SIOCSMIIREG:
583c28e5 7884 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC
7885 return -EOPNOTSUPP;
7886
dad3e452
MC
7887 if (!netif_running(dev))
7888 return -EAGAIN;
7889
c770a65c 7890 spin_lock_bh(&bp->phy_lock);
b6016b76 7891 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 7892 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7893
7894 return err;
7895
7896 default:
7897 /* do nothing */
7898 break;
7899 }
7900 return -EOPNOTSUPP;
7901}
7902
7903/* Called with rtnl_lock */
7904static int
7905bnx2_change_mac_addr(struct net_device *dev, void *p)
7906{
7907 struct sockaddr *addr = p;
972ec0d4 7908 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7909
73eef4cd 7910 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 7911 return -EADDRNOTAVAIL;
73eef4cd 7912
b6016b76
MC
7913 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7914 if (netif_running(dev))
5fcaed01 7915 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76
MC
7916
7917 return 0;
7918}
7919
7920/* Called with rtnl_lock */
7921static int
7922bnx2_change_mtu(struct net_device *dev, int new_mtu)
7923{
972ec0d4 7924 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7925
b6016b76 7926 dev->mtu = new_mtu;
b033281f
MC
7927 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
7928 false);
b6016b76
MC
7929}
7930
257ddbda 7931#ifdef CONFIG_NET_POLL_CONTROLLER
b6016b76
MC
7932static void
7933poll_bnx2(struct net_device *dev)
7934{
972ec0d4 7935 struct bnx2 *bp = netdev_priv(dev);
b2af2c1d 7936 int i;
b6016b76 7937
b2af2c1d 7938 for (i = 0; i < bp->irq_nvecs; i++) {
1bf1e347
MC
7939 struct bnx2_irq *irq = &bp->irq_tbl[i];
7940
7941 disable_irq(irq->vector);
7942 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7943 enable_irq(irq->vector);
b2af2c1d 7944 }
b6016b76
MC
7945}
7946#endif
7947
cfd95a63 7948static void
253c8b75
MC
7949bnx2_get_5709_media(struct bnx2 *bp)
7950{
e503e066 7951 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
253c8b75
MC
7952 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7953 u32 strap;
7954
7955 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7956 return;
7957 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
583c28e5 7958 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7959 return;
7960 }
7961
7962 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7963 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7964 else
7965 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7966
aefd90e4 7967 if (bp->func == 0) {
253c8b75
MC
7968 switch (strap) {
7969 case 0x4:
7970 case 0x5:
7971 case 0x6:
583c28e5 7972 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7973 return;
7974 }
7975 } else {
7976 switch (strap) {
7977 case 0x1:
7978 case 0x2:
7979 case 0x4:
583c28e5 7980 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7981 return;
7982 }
7983 }
7984}
7985
cfd95a63 7986static void
883e5151
MC
7987bnx2_get_pci_speed(struct bnx2 *bp)
7988{
7989 u32 reg;
7990
e503e066 7991 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
883e5151
MC
7992 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7993 u32 clkreg;
7994
f86e82fb 7995 bp->flags |= BNX2_FLAG_PCIX;
883e5151 7996
e503e066 7997 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
883e5151
MC
7998
7999 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
8000 switch (clkreg) {
8001 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
8002 bp->bus_speed_mhz = 133;
8003 break;
8004
8005 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
8006 bp->bus_speed_mhz = 100;
8007 break;
8008
8009 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
8010 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
8011 bp->bus_speed_mhz = 66;
8012 break;
8013
8014 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
8015 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
8016 bp->bus_speed_mhz = 50;
8017 break;
8018
8019 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
8020 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
8021 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
8022 bp->bus_speed_mhz = 33;
8023 break;
8024 }
8025 }
8026 else {
8027 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
8028 bp->bus_speed_mhz = 66;
8029 else
8030 bp->bus_speed_mhz = 33;
8031 }
8032
8033 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
f86e82fb 8034 bp->flags |= BNX2_FLAG_PCI_32BIT;
883e5151
MC
8035
8036}
8037
cfd95a63 8038static void
76d99061
MC
8039bnx2_read_vpd_fw_ver(struct bnx2 *bp)
8040{
df25bc38 8041 int rc, i, j;
76d99061 8042 u8 *data;
df25bc38 8043 unsigned int block_end, rosize, len;
76d99061 8044
012093f6
MC
8045#define BNX2_VPD_NVRAM_OFFSET 0x300
8046#define BNX2_VPD_LEN 128
76d99061
MC
8047#define BNX2_MAX_VER_SLEN 30
8048
8049 data = kmalloc(256, GFP_KERNEL);
8050 if (!data)
8051 return;
8052
012093f6
MC
8053 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
8054 BNX2_VPD_LEN);
76d99061
MC
8055 if (rc)
8056 goto vpd_done;
8057
012093f6
MC
8058 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
8059 data[i] = data[i + BNX2_VPD_LEN + 3];
8060 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
8061 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
8062 data[i + 3] = data[i + BNX2_VPD_LEN];
76d99061
MC
8063 }
8064
df25bc38
MC
8065 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
8066 if (i < 0)
8067 goto vpd_done;
76d99061 8068
df25bc38
MC
8069 rosize = pci_vpd_lrdt_size(&data[i]);
8070 i += PCI_VPD_LRDT_TAG_SIZE;
8071 block_end = i + rosize;
76d99061 8072
df25bc38
MC
8073 if (block_end > BNX2_VPD_LEN)
8074 goto vpd_done;
76d99061 8075
df25bc38
MC
8076 j = pci_vpd_find_info_keyword(data, i, rosize,
8077 PCI_VPD_RO_KEYWORD_MFR_ID);
8078 if (j < 0)
8079 goto vpd_done;
76d99061 8080
df25bc38 8081 len = pci_vpd_info_field_size(&data[j]);
76d99061 8082
df25bc38
MC
8083 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8084 if (j + len > block_end || len != 4 ||
8085 memcmp(&data[j], "1028", 4))
8086 goto vpd_done;
4067a854 8087
df25bc38
MC
8088 j = pci_vpd_find_info_keyword(data, i, rosize,
8089 PCI_VPD_RO_KEYWORD_VENDOR0);
8090 if (j < 0)
8091 goto vpd_done;
4067a854 8092
df25bc38 8093 len = pci_vpd_info_field_size(&data[j]);
4067a854 8094
df25bc38
MC
8095 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8096 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
76d99061 8097 goto vpd_done;
df25bc38
MC
8098
8099 memcpy(bp->fw_version, &data[j], len);
8100 bp->fw_version[len] = ' ';
76d99061
MC
8101
8102vpd_done:
8103 kfree(data);
8104}
8105
cfd95a63 8106static int
b6016b76
MC
8107bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
8108{
8109 struct bnx2 *bp;
58fc2ea4 8110 int rc, i, j;
b6016b76 8111 u32 reg;
40453c83 8112 u64 dma_mask, persist_dma_mask;
cd709aa9 8113 int err;
b6016b76 8114
b6016b76 8115 SET_NETDEV_DEV(dev, &pdev->dev);
972ec0d4 8116 bp = netdev_priv(dev);
b6016b76
MC
8117
8118 bp->flags = 0;
8119 bp->phy_flags = 0;
8120
354fcd77
MC
8121 bp->temp_stats_blk =
8122 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
8123
8124 if (bp->temp_stats_blk == NULL) {
8125 rc = -ENOMEM;
8126 goto err_out;
8127 }
8128
b6016b76
MC
8129 /* enable device (incl. PCI PM wakeup), and bus-mastering */
8130 rc = pci_enable_device(pdev);
8131 if (rc) {
3a9c6a49 8132 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
b6016b76
MC
8133 goto err_out;
8134 }
8135
8136 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9b91cf9d 8137 dev_err(&pdev->dev,
3a9c6a49 8138 "Cannot find PCI device base address, aborting\n");
b6016b76
MC
8139 rc = -ENODEV;
8140 goto err_out_disable;
8141 }
8142
8143 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
8144 if (rc) {
3a9c6a49 8145 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
b6016b76
MC
8146 goto err_out_disable;
8147 }
8148
8149 pci_set_master(pdev);
8150
85768271 8151 bp->pm_cap = pdev->pm_cap;
b6016b76 8152 if (bp->pm_cap == 0) {
9b91cf9d 8153 dev_err(&pdev->dev,
3a9c6a49 8154 "Cannot find power management capability, aborting\n");
b6016b76
MC
8155 rc = -EIO;
8156 goto err_out_release;
8157 }
8158
b6016b76
MC
8159 bp->dev = dev;
8160 bp->pdev = pdev;
8161
8162 spin_lock_init(&bp->phy_lock);
1b8227c4 8163 spin_lock_init(&bp->indirect_lock);
c5a88950
MC
8164#ifdef BCM_CNIC
8165 mutex_init(&bp->cnic_lock);
8166#endif
c4028958 8167 INIT_WORK(&bp->reset_task, bnx2_reset_task);
b6016b76 8168
c0357e97
FR
8169 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
8170 TX_MAX_TSS_RINGS + 1));
b6016b76 8171 if (!bp->regview) {
3a9c6a49 8172 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
b6016b76
MC
8173 rc = -ENOMEM;
8174 goto err_out_release;
8175 }
8176
8177 /* Configure byte swap and enable write to the reg_window registers.
8178 * Rely on CPU to do target byte swapping on big endian systems
8179 * The chip's target access swapping will not swap all accesses
8180 */
e503e066
MC
8181 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
8182 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
8183 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
b6016b76 8184
e503e066 8185 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
b6016b76 8186
4ce45e02 8187 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e82760e7
JM
8188 if (!pci_is_pcie(pdev)) {
8189 dev_err(&pdev->dev, "Not PCIE, aborting\n");
883e5151
MC
8190 rc = -EIO;
8191 goto err_out_unmap;
8192 }
f86e82fb 8193 bp->flags |= BNX2_FLAG_PCIE;
4ce45e02 8194 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
f86e82fb 8195 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
c239f279
MC
8196
8197 /* AER (Advanced Error Reporting) hooks */
8198 err = pci_enable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8199 if (!err)
8200 bp->flags |= BNX2_FLAG_AER_ENABLED;
c239f279 8201
883e5151 8202 } else {
59b47d8a
MC
8203 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
8204 if (bp->pcix_cap == 0) {
8205 dev_err(&pdev->dev,
3a9c6a49 8206 "Cannot find PCIX capability, aborting\n");
59b47d8a
MC
8207 rc = -EIO;
8208 goto err_out_unmap;
8209 }
61d9e3fa 8210 bp->flags |= BNX2_FLAG_BROKEN_STATS;
59b47d8a
MC
8211 }
8212
4ce45e02
MC
8213 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8214 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
555a8428 8215 if (pdev->msix_cap)
f86e82fb 8216 bp->flags |= BNX2_FLAG_MSIX_CAP;
b4b36042
MC
8217 }
8218
4ce45e02
MC
8219 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
8220 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
555a8428 8221 if (pdev->msi_cap)
f86e82fb 8222 bp->flags |= BNX2_FLAG_MSI_CAP;
8e6a72c4
MC
8223 }
8224
40453c83 8225 /* 5708 cannot support DMA addresses > 40-bit. */
4ce45e02 8226 if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
50cf156a 8227 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
40453c83 8228 else
6a35528a 8229 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
40453c83
MC
8230
8231 /* Configure DMA attributes. */
8232 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8233 dev->features |= NETIF_F_HIGHDMA;
8234 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8235 if (rc) {
8236 dev_err(&pdev->dev,
3a9c6a49 8237 "pci_set_consistent_dma_mask failed, aborting\n");
40453c83
MC
8238 goto err_out_unmap;
8239 }
284901a9 8240 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
3a9c6a49 8241 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
40453c83
MC
8242 goto err_out_unmap;
8243 }
8244
f86e82fb 8245 if (!(bp->flags & BNX2_FLAG_PCIE))
883e5151 8246 bnx2_get_pci_speed(bp);
b6016b76
MC
8247
8248 /* 5706A0 may falsely detect SERR and PERR. */
4ce45e02 8249 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
e503e066 8250 reg = BNX2_RD(bp, PCI_COMMAND);
b6016b76 8251 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
e503e066 8252 BNX2_WR(bp, PCI_COMMAND, reg);
4ce45e02 8253 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
f86e82fb 8254 !(bp->flags & BNX2_FLAG_PCIX)) {
b6016b76 8255
9b91cf9d 8256 dev_err(&pdev->dev,
3a9c6a49 8257 "5706 A1 can only be used in a PCIX bus, aborting\n");
b6016b76
MC
8258 goto err_out_unmap;
8259 }
8260
8261 bnx2_init_nvram(bp);
8262
2726d6e1 8263 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
e3648b3d 8264
aefd90e4
MC
8265 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
8266 bp->func = 1;
8267
e3648b3d 8268 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
24cb230b 8269 BNX2_SHM_HDR_SIGNATURE_SIG) {
aefd90e4 8270 u32 off = bp->func << 2;
24cb230b 8271
2726d6e1 8272 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
24cb230b 8273 } else
e3648b3d
MC
8274 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8275
b6016b76
MC
8276 /* Get the permanent MAC address. First we need to make sure the
8277 * firmware is actually running.
8278 */
2726d6e1 8279 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
b6016b76
MC
8280
8281 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8282 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
3a9c6a49 8283 dev_err(&pdev->dev, "Firmware not running, aborting\n");
b6016b76
MC
8284 rc = -ENODEV;
8285 goto err_out_unmap;
8286 }
8287
76d99061
MC
8288 bnx2_read_vpd_fw_ver(bp);
8289
8290 j = strlen(bp->fw_version);
2726d6e1 8291 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
76d99061 8292 for (i = 0; i < 3 && j < 24; i++) {
58fc2ea4
MC
8293 u8 num, k, skip0;
8294
76d99061
MC
8295 if (i == 0) {
8296 bp->fw_version[j++] = 'b';
8297 bp->fw_version[j++] = 'c';
8298 bp->fw_version[j++] = ' ';
8299 }
58fc2ea4
MC
8300 num = (u8) (reg >> (24 - (i * 8)));
8301 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8302 if (num >= k || !skip0 || k == 1) {
8303 bp->fw_version[j++] = (num / k) + '0';
8304 skip0 = 0;
8305 }
8306 }
8307 if (i != 2)
8308 bp->fw_version[j++] = '.';
8309 }
2726d6e1 8310 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
846f5c62
MC
8311 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8312 bp->wol = 1;
8313
8314 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
f86e82fb 8315 bp->flags |= BNX2_FLAG_ASF_ENABLE;
c2d3db8c
MC
8316
8317 for (i = 0; i < 30; i++) {
2726d6e1 8318 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
c2d3db8c
MC
8319 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8320 break;
8321 msleep(10);
8322 }
8323 }
2726d6e1 8324 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
58fc2ea4
MC
8325 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8326 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8327 reg != BNX2_CONDITION_MFW_RUN_NONE) {
2726d6e1 8328 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
58fc2ea4 8329
76d99061
MC
8330 if (j < 32)
8331 bp->fw_version[j++] = ' ';
8332 for (i = 0; i < 3 && j < 28; i++) {
2726d6e1 8333 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
3aeb7d22 8334 reg = be32_to_cpu(reg);
58fc2ea4
MC
8335 memcpy(&bp->fw_version[j], &reg, 4);
8336 j += 4;
8337 }
8338 }
b6016b76 8339
2726d6e1 8340 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
b6016b76
MC
8341 bp->mac_addr[0] = (u8) (reg >> 8);
8342 bp->mac_addr[1] = (u8) reg;
8343
2726d6e1 8344 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
b6016b76
MC
8345 bp->mac_addr[2] = (u8) (reg >> 24);
8346 bp->mac_addr[3] = (u8) (reg >> 16);
8347 bp->mac_addr[4] = (u8) (reg >> 8);
8348 bp->mac_addr[5] = (u8) reg;
8349
2bc4078e 8350 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
932f3772 8351 bnx2_set_rx_ring_size(bp, 255);
b6016b76 8352
cf7474a6 8353 bp->tx_quick_cons_trip_int = 2;
b6016b76 8354 bp->tx_quick_cons_trip = 20;
cf7474a6 8355 bp->tx_ticks_int = 18;
b6016b76 8356 bp->tx_ticks = 80;
6aa20a22 8357
cf7474a6
MC
8358 bp->rx_quick_cons_trip_int = 2;
8359 bp->rx_quick_cons_trip = 12;
b6016b76
MC
8360 bp->rx_ticks_int = 18;
8361 bp->rx_ticks = 18;
8362
7ea6920e 8363 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76 8364
ac392abc 8365 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 8366
5b0c76ad
MC
8367 bp->phy_addr = 1;
8368
8fae307c 8369 /* allocate stats_blk */
8370 rc = bnx2_alloc_stats_blk(dev);
8371 if (rc)
8372 goto err_out_unmap;
8373
b6016b76 8374 /* Disable WOL support if we are running on a SERDES chip. */
4ce45e02 8375 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
253c8b75 8376 bnx2_get_5709_media(bp);
4ce45e02 8377 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
583c28e5 8378 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
bac0dff6 8379
0d8a6571 8380 bp->phy_port = PORT_TP;
583c28e5 8381 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
0d8a6571 8382 bp->phy_port = PORT_FIBRE;
2726d6e1 8383 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
846f5c62 8384 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
f86e82fb 8385 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC
8386 bp->wol = 0;
8387 }
4ce45e02 8388 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
38ea3686
MC
8389 /* Don't do parallel detect on this board because of
8390 * some board problems. The link will not go down
8391 * if we do parallel detect.
8392 */
8393 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8394 pdev->subsystem_device == 0x310c)
8395 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8396 } else {
5b0c76ad 8397 bp->phy_addr = 2;
5b0c76ad 8398 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
583c28e5 8399 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
5b0c76ad 8400 }
4ce45e02
MC
8401 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
8402 BNX2_CHIP(bp) == BNX2_CHIP_5708)
583c28e5 8403 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
4ce45e02
MC
8404 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8405 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
8406 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
583c28e5 8407 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
b6016b76 8408
7c62e83b
MC
8409 bnx2_init_fw_cap(bp);
8410
4ce45e02
MC
8411 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
8412 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
8413 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
e503e066 8414 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
f86e82fb 8415 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC
8416 bp->wol = 0;
8417 }
dda1e390 8418
6d5e85c7
MC
8419 if (bp->flags & BNX2_FLAG_NO_WOL)
8420 device_set_wakeup_capable(&bp->pdev->dev, false);
8421 else
8422 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
8423
4ce45e02 8424 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
8425 bp->tx_quick_cons_trip_int =
8426 bp->tx_quick_cons_trip;
8427 bp->tx_ticks_int = bp->tx_ticks;
8428 bp->rx_quick_cons_trip_int =
8429 bp->rx_quick_cons_trip;
8430 bp->rx_ticks_int = bp->rx_ticks;
8431 bp->comp_prod_trip_int = bp->comp_prod_trip;
8432 bp->com_ticks_int = bp->com_ticks;
8433 bp->cmd_ticks_int = bp->cmd_ticks;
8434 }
8435
f9317a40
MC
8436 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8437 *
8438 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8439 * with byte enables disabled on the unused 32-bit word. This is legal
8440 * but causes problems on the AMD 8132 which will eventually stop
8441 * responding after a while.
8442 *
8443 * AMD believes this incompatibility is unique to the 5706, and
88187dfa 8444 * prefers to locally disable MSI rather than globally disabling it.
f9317a40 8445 */
4ce45e02 8446 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
f9317a40
MC
8447 struct pci_dev *amd_8132 = NULL;
8448
8449 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8450 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8451 amd_8132))) {
f9317a40 8452
44c10138
AK
8453 if (amd_8132->revision >= 0x10 &&
8454 amd_8132->revision <= 0x13) {
f9317a40
MC
8455 disable_msi = 1;
8456 pci_dev_put(amd_8132);
8457 break;
8458 }
8459 }
8460 }
8461
deaf391b 8462 bnx2_set_default_link(bp);
b6016b76
MC
8463 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8464
e99e88a9 8465 timer_setup(&bp->timer, bnx2_timer, 0);
ac392abc 8466 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
cd339a0e 8467
7625eb2f 8468#ifdef BCM_CNIC
41c2178a
MC
8469 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8470 bp->cnic_eth_dev.max_iscsi_conn =
8471 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8472 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
4bd9b0ff 8473 bp->cnic_probe = bnx2_cnic_probe;
7625eb2f 8474#endif
c239f279
MC
8475 pci_save_state(pdev);
8476
b6016b76
MC
8477 return 0;
8478
8479err_out_unmap:
4bb9ebc7 8480 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
c239f279 8481 pci_disable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8482 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8483 }
c239f279 8484
c0357e97
FR
8485 pci_iounmap(pdev, bp->regview);
8486 bp->regview = NULL;
b6016b76
MC
8487
8488err_out_release:
8489 pci_release_regions(pdev);
8490
8491err_out_disable:
8492 pci_disable_device(pdev);
b6016b76
MC
8493
8494err_out:
3703ebe4 8495 kfree(bp->temp_stats_blk);
8496
b6016b76
MC
8497 return rc;
8498}
8499
cfd95a63 8500static char *
883e5151
MC
8501bnx2_bus_string(struct bnx2 *bp, char *str)
8502{
8503 char *s = str;
8504
f86e82fb 8505 if (bp->flags & BNX2_FLAG_PCIE) {
883e5151
MC
8506 s += sprintf(s, "PCI Express");
8507 } else {
8508 s += sprintf(s, "PCI");
f86e82fb 8509 if (bp->flags & BNX2_FLAG_PCIX)
883e5151 8510 s += sprintf(s, "-X");
f86e82fb 8511 if (bp->flags & BNX2_FLAG_PCI_32BIT)
883e5151
MC
8512 s += sprintf(s, " 32-bit");
8513 else
8514 s += sprintf(s, " 64-bit");
8515 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8516 }
8517 return str;
8518}
8519
f048fa9c
MC
8520static void
8521bnx2_del_napi(struct bnx2 *bp)
8522{
8523 int i;
8524
8525 for (i = 0; i < bp->irq_nvecs; i++)
8526 netif_napi_del(&bp->bnx2_napi[i].napi);
8527}
8528
8529static void
35efa7c1
MC
8530bnx2_init_napi(struct bnx2 *bp)
8531{
b4b36042 8532 int i;
35efa7c1 8533
4327ba43 8534 for (i = 0; i < bp->irq_nvecs; i++) {
35e9010b
MC
8535 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8536 int (*poll)(struct napi_struct *, int);
8537
8538 if (i == 0)
8539 poll = bnx2_poll;
8540 else
f0ea2e63 8541 poll = bnx2_poll_msix;
35e9010b
MC
8542
8543 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
b4b36042
MC
8544 bnapi->bp = bp;
8545 }
35efa7c1
MC
8546}
8547
0421eae6
SH
8548static const struct net_device_ops bnx2_netdev_ops = {
8549 .ndo_open = bnx2_open,
8550 .ndo_start_xmit = bnx2_start_xmit,
8551 .ndo_stop = bnx2_close,
5d07bf26 8552 .ndo_get_stats64 = bnx2_get_stats64,
0421eae6
SH
8553 .ndo_set_rx_mode = bnx2_set_rx_mode,
8554 .ndo_do_ioctl = bnx2_ioctl,
8555 .ndo_validate_addr = eth_validate_addr,
8556 .ndo_set_mac_address = bnx2_change_mac_addr,
8557 .ndo_change_mtu = bnx2_change_mtu,
8d7dfc2b 8558 .ndo_set_features = bnx2_set_features,
0421eae6 8559 .ndo_tx_timeout = bnx2_tx_timeout,
257ddbda 8560#ifdef CONFIG_NET_POLL_CONTROLLER
0421eae6
SH
8561 .ndo_poll_controller = poll_bnx2,
8562#endif
8563};
8564
cfd95a63 8565static int
b6016b76
MC
8566bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8567{
8568 static int version_printed = 0;
c0357e97 8569 struct net_device *dev;
b6016b76 8570 struct bnx2 *bp;
0795af57 8571 int rc;
883e5151 8572 char str[40];
b6016b76
MC
8573
8574 if (version_printed++ == 0)
3a9c6a49 8575 pr_info("%s", version);
b6016b76
MC
8576
8577 /* dev zeroed in init_etherdev */
706bf240 8578 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
b6016b76
MC
8579 if (!dev)
8580 return -ENOMEM;
8581
8582 rc = bnx2_init_board(pdev, dev);
c0357e97
FR
8583 if (rc < 0)
8584 goto err_free;
b6016b76 8585
0421eae6 8586 dev->netdev_ops = &bnx2_netdev_ops;
b6016b76 8587 dev->watchdog_timeo = TX_TIMEOUT;
b6016b76 8588 dev->ethtool_ops = &bnx2_ethtool_ops;
b6016b76 8589
972ec0d4 8590 bp = netdev_priv(dev);
b6016b76 8591
1b2f922f
MC
8592 pci_set_drvdata(pdev, dev);
8593
6df77862
BH
8594 /*
8595 * In-flight DMA from 1st kernel could continue going in kdump kernel.
8596 * New io-page table has been created before bnx2 does reset at open stage.
8597 * We have to wait for the in-flight DMA to complete to avoid it look up
8598 * into the newly created io-page table.
8599 */
8600 if (is_kdump_kernel())
8601 bnx2_wait_dma_complete(bp);
3e1be7ad 8602
d458cdf7 8603 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
1b2f922f 8604
8d7dfc2b
MM
8605 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8606 NETIF_F_TSO | NETIF_F_TSO_ECN |
8607 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8608
4ce45e02 8609 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
8d7dfc2b
MM
8610 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8611
8612 dev->vlan_features = dev->hw_features;
f646968f 8613 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
8d7dfc2b 8614 dev->features |= dev->hw_features;
01789349 8615 dev->priv_flags |= IFF_UNICAST_FLT;
e1c6dcca
JW
8616 dev->min_mtu = MIN_ETHERNET_PACKET_SIZE;
8617 dev->max_mtu = MAX_ETHERNET_JUMBO_PACKET_SIZE;
8d7dfc2b 8618
26caa346
IV
8619 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
8620 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
8621
b6016b76 8622 if ((rc = register_netdev(dev))) {
9b91cf9d 8623 dev_err(&pdev->dev, "Cannot register net device\n");
57579f76 8624 goto error;
b6016b76
MC
8625 }
8626
c0357e97
FR
8627 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
8628 "node addr %pM\n", board_info[ent->driver_data].name,
4ce45e02
MC
8629 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8630 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
c0357e97
FR
8631 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
8632 pdev->irq, dev->dev_addr);
b6016b76 8633
b6016b76 8634 return 0;
57579f76
MC
8635
8636error:
fda4d85d 8637 pci_iounmap(pdev, bp->regview);
57579f76
MC
8638 pci_release_regions(pdev);
8639 pci_disable_device(pdev);
c0357e97 8640err_free:
8fae307c 8641 bnx2_free_stats_blk(dev);
57579f76
MC
8642 free_netdev(dev);
8643 return rc;
b6016b76
MC
8644}
8645
cfd95a63 8646static void
b6016b76
MC
8647bnx2_remove_one(struct pci_dev *pdev)
8648{
8649 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8650 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
8651
8652 unregister_netdev(dev);
8653
8333a46a 8654 del_timer_sync(&bp->timer);
cd634019 8655 cancel_work_sync(&bp->reset_task);
8333a46a 8656
c0357e97 8657 pci_iounmap(bp->pdev, bp->regview);
b6016b76 8658
8fae307c 8659 bnx2_free_stats_blk(dev);
354fcd77
MC
8660 kfree(bp->temp_stats_blk);
8661
4bb9ebc7 8662 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
c239f279 8663 pci_disable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8664 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8665 }
cd709aa9 8666
7880b72e 8667 bnx2_release_firmware(bp);
8668
c239f279 8669 free_netdev(dev);
cd709aa9 8670
b6016b76
MC
8671 pci_release_regions(pdev);
8672 pci_disable_device(pdev);
b6016b76
MC
8673}
8674
77d149c4 8675#ifdef CONFIG_PM_SLEEP
b6016b76 8676static int
28fb4eb4 8677bnx2_suspend(struct device *device)
b6016b76 8678{
28fb4eb4 8679 struct pci_dev *pdev = to_pci_dev(device);
b6016b76 8680 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8681 struct bnx2 *bp = netdev_priv(dev);
b6016b76 8682
28fb4eb4
MC
8683 if (netif_running(dev)) {
8684 cancel_work_sync(&bp->reset_task);
8685 bnx2_netif_stop(bp, true);
8686 netif_device_detach(dev);
8687 del_timer_sync(&bp->timer);
8688 bnx2_shutdown_chip(bp);
8689 __bnx2_free_irq(bp);
8690 bnx2_free_skbs(bp);
8691 }
8692 bnx2_setup_wol(bp);
b6016b76
MC
8693 return 0;
8694}
8695
8696static int
28fb4eb4 8697bnx2_resume(struct device *device)
b6016b76 8698{
28fb4eb4 8699 struct pci_dev *pdev = to_pci_dev(device);
b6016b76 8700 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8701 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
8702
8703 if (!netif_running(dev))
8704 return 0;
8705
829ca9a3 8706 bnx2_set_power_state(bp, PCI_D0);
b6016b76 8707 netif_device_attach(dev);
28fb4eb4 8708 bnx2_request_irq(bp);
9a120bc5 8709 bnx2_init_nic(bp, 1);
212f9934 8710 bnx2_netif_start(bp, true);
b6016b76
MC
8711 return 0;
8712}
8713
28fb4eb4
MC
8714static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
8715#define BNX2_PM_OPS (&bnx2_pm_ops)
8716
8717#else
8718
8719#define BNX2_PM_OPS NULL
8720
8721#endif /* CONFIG_PM_SLEEP */
6ff2da49
WX
8722/**
8723 * bnx2_io_error_detected - called when PCI error is detected
8724 * @pdev: Pointer to PCI device
8725 * @state: The current pci connection state
8726 *
8727 * This function is called after a PCI bus error affecting
8728 * this device has been detected.
8729 */
8730static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8731 pci_channel_state_t state)
8732{
8733 struct net_device *dev = pci_get_drvdata(pdev);
8734 struct bnx2 *bp = netdev_priv(dev);
8735
8736 rtnl_lock();
8737 netif_device_detach(dev);
8738
2ec3de26
DN
8739 if (state == pci_channel_io_perm_failure) {
8740 rtnl_unlock();
8741 return PCI_ERS_RESULT_DISCONNECT;
8742 }
8743
6ff2da49 8744 if (netif_running(dev)) {
212f9934 8745 bnx2_netif_stop(bp, true);
6ff2da49
WX
8746 del_timer_sync(&bp->timer);
8747 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8748 }
8749
8750 pci_disable_device(pdev);
8751 rtnl_unlock();
8752
8753 /* Request a slot slot reset. */
8754 return PCI_ERS_RESULT_NEED_RESET;
8755}
8756
8757/**
8758 * bnx2_io_slot_reset - called after the pci bus has been reset.
8759 * @pdev: Pointer to PCI device
8760 *
8761 * Restart the card from scratch, as if from a cold-boot.
8762 */
8763static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8764{
8765 struct net_device *dev = pci_get_drvdata(pdev);
8766 struct bnx2 *bp = netdev_priv(dev);
02481bc6
MC
8767 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
8768 int err = 0;
6ff2da49
WX
8769
8770 rtnl_lock();
8771 if (pci_enable_device(pdev)) {
8772 dev_err(&pdev->dev,
3a9c6a49 8773 "Cannot re-enable PCI device after reset\n");
cd709aa9
JF
8774 } else {
8775 pci_set_master(pdev);
8776 pci_restore_state(pdev);
8777 pci_save_state(pdev);
8778
25bfb1dd 8779 if (netif_running(dev))
02481bc6 8780 err = bnx2_init_nic(bp, 1);
25bfb1dd 8781
02481bc6
MC
8782 if (!err)
8783 result = PCI_ERS_RESULT_RECOVERED;
8784 }
8785
8786 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
8787 bnx2_napi_enable(bp);
8788 dev_close(dev);
6ff2da49 8789 }
cd709aa9 8790 rtnl_unlock();
6ff2da49 8791
4bb9ebc7 8792 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
c239f279
MC
8793 return result;
8794
cd709aa9
JF
8795 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8796 if (err) {
8797 dev_err(&pdev->dev,
8798 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8799 err); /* non-fatal, continue */
6ff2da49
WX
8800 }
8801
cd709aa9 8802 return result;
6ff2da49
WX
8803}
8804
8805/**
8806 * bnx2_io_resume - called when traffic can start flowing again.
8807 * @pdev: Pointer to PCI device
8808 *
8809 * This callback is called when the error recovery driver tells us that
8810 * its OK to resume normal operation.
8811 */
8812static void bnx2_io_resume(struct pci_dev *pdev)
8813{
8814 struct net_device *dev = pci_get_drvdata(pdev);
8815 struct bnx2 *bp = netdev_priv(dev);
8816
8817 rtnl_lock();
8818 if (netif_running(dev))
212f9934 8819 bnx2_netif_start(bp, true);
6ff2da49
WX
8820
8821 netif_device_attach(dev);
8822 rtnl_unlock();
8823}
8824
25bfb1dd
MC
8825static void bnx2_shutdown(struct pci_dev *pdev)
8826{
8827 struct net_device *dev = pci_get_drvdata(pdev);
8828 struct bnx2 *bp;
8829
8830 if (!dev)
8831 return;
8832
8833 bp = netdev_priv(dev);
8834 if (!bp)
8835 return;
8836
8837 rtnl_lock();
8838 if (netif_running(dev))
8839 dev_close(bp->dev);
8840
8841 if (system_state == SYSTEM_POWER_OFF)
8842 bnx2_set_power_state(bp, PCI_D3hot);
8843
8844 rtnl_unlock();
8845}
8846
fda4d85d 8847static const struct pci_error_handlers bnx2_err_handler = {
6ff2da49
WX
8848 .error_detected = bnx2_io_error_detected,
8849 .slot_reset = bnx2_io_slot_reset,
8850 .resume = bnx2_io_resume,
8851};
8852
b6016b76 8853static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH
8854 .name = DRV_MODULE_NAME,
8855 .id_table = bnx2_pci_tbl,
8856 .probe = bnx2_init_one,
cfd95a63 8857 .remove = bnx2_remove_one,
28fb4eb4 8858 .driver.pm = BNX2_PM_OPS,
6ff2da49 8859 .err_handler = &bnx2_err_handler,
25bfb1dd 8860 .shutdown = bnx2_shutdown,
b6016b76
MC
8861};
8862
5a4123f3 8863module_pci_driver(bnx2_pci_driver);