]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - drivers/net/ethernet/broadcom/bnx2.c
ps3_gelic: fix spelling mistake in debug message
[mirror_ubuntu-jammy-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>
f2a4f052 52
da556d6a 53#if IS_ENABLED(CONFIG_CNIC)
4edd473f
MC
54#define BCM_CNIC 1
55#include "cnic_if.h"
56#endif
b6016b76
MC
57#include "bnx2.h"
58#include "bnx2_fw.h"
b3448b0b 59
b6016b76 60#define DRV_MODULE_NAME "bnx2"
85fe7cd2
RM
61#define DRV_MODULE_VERSION "2.2.6"
62#define DRV_MODULE_RELDATE "January 29, 2014"
c2c20ef4 63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
22fa159d 64#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
c2c20ef4 65#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
22fa159d
MC
66#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
67#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
b6016b76
MC
68
69#define RUN_AT(x) (jiffies + (x))
70
71/* Time in jiffies before concluding the transmitter is hung. */
72#define TX_TIMEOUT (5*HZ)
73
cfd95a63 74static char version[] =
2e0bf125 75 "QLogic " DRV_MODULE_NAME " Gigabit Ethernet Driver v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
b6016b76
MC
76
77MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
2e0bf125 78MODULE_DESCRIPTION("QLogic BCM5706/5708/5709/5716 Driver");
b6016b76
MC
79MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION);
57579f76
MC
81MODULE_FIRMWARE(FW_MIPS_FILE_06);
82MODULE_FIRMWARE(FW_RV2P_FILE_06);
83MODULE_FIRMWARE(FW_MIPS_FILE_09);
84MODULE_FIRMWARE(FW_RV2P_FILE_09);
078b0735 85MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
b6016b76
MC
86
87static int disable_msi = 0;
88
1c8bb760 89module_param(disable_msi, int, S_IRUGO);
b6016b76
MC
90MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
91
92typedef enum {
93 BCM5706 = 0,
94 NC370T,
95 NC370I,
96 BCM5706S,
97 NC370F,
5b0c76ad
MC
98 BCM5708,
99 BCM5708S,
bac0dff6 100 BCM5709,
27a005b8 101 BCM5709S,
7bb0a04f 102 BCM5716,
1caacecb 103 BCM5716S,
b6016b76
MC
104} board_t;
105
106/* indexed by board_t, above */
fefa8645 107static struct {
b6016b76 108 char *name;
cfd95a63 109} board_info[] = {
b6016b76
MC
110 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
111 { "HP NC370T Multifunction Gigabit Server Adapter" },
112 { "HP NC370i Multifunction Gigabit Server Adapter" },
113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
114 { "HP NC370F Multifunction Gigabit Server Adapter" },
5b0c76ad
MC
115 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
bac0dff6 117 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
27a005b8 118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
7bb0a04f 119 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
1caacecb 120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
b6016b76
MC
121 };
122
9baa3c34 123static const struct pci_device_id bnx2_pci_tbl[] = {
b6016b76
MC
124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
5b0c76ad
MC
130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
b6016b76
MC
132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
5b0c76ad
MC
136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
bac0dff6
MC
138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
27a005b8
MC
140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
7bb0a04f
MC
142 { PCI_VENDOR_ID_BROADCOM, 0x163b,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
1caacecb 144 { PCI_VENDOR_ID_BROADCOM, 0x163c,
1f2435e5 145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
b6016b76
MC
146 { 0, }
147};
148
0ced9d01 149static const struct flash_spec flash_table[] =
b6016b76 150{
e30372c9
MC
151#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
152#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
b6016b76 153 /* Slow EEPROM */
37137709 154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
b6016b76
MC
156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 "EEPROM - slow"},
37137709
MC
158 /* Expansion entry 0001 */
159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 "Entry 0001"},
b6016b76
MC
163 /* Saifun SA25F010 (non-buffered flash) */
164 /* strap, cfg1, & write1 need updates */
37137709 165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC
167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
168 "Non-buffered flash (128kB)"},
169 /* Saifun SA25F020 (non-buffered flash) */
170 /* strap, cfg1, & write1 need updates */
37137709 171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC
173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
174 "Non-buffered flash (256kB)"},
37137709
MC
175 /* Expansion entry 0100 */
176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 0100"},
180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
6aa20a22 181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC
183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC
188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
190 /* Saifun SA25F005 (non-buffered flash) */
191 /* strap, cfg1, & write1 need updates */
192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
195 "Non-buffered flash (64kB)"},
196 /* Fast EEPROM */
197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
37137709
MC
199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 "EEPROM - fast"},
201 /* Expansion entry 1001 */
202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1001"},
206 /* Expansion entry 1010 */
207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1010"},
211 /* ATMEL AT45DB011B (buffered flash) */
212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
215 "Buffered flash (128kB)"},
216 /* Expansion entry 1100 */
217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 1100"},
221 /* Expansion entry 1101 */
222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC
224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 "Entry 1101"},
226 /* Ateml Expansion entry 1110 */
227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
230 "Entry 1110 (Atmel)"},
231 /* ATMEL AT45DB021B (buffered flash) */
232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC
234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
235 "Buffered flash (256kB)"},
b6016b76
MC
236};
237
0ced9d01 238static const struct flash_spec flash_5709 = {
e30372c9
MC
239 .flags = BNX2_NV_BUFFERED,
240 .page_bits = BCM5709_FLASH_PAGE_BITS,
241 .page_size = BCM5709_FLASH_PAGE_SIZE,
242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
244 .name = "5709 Buffered flash (256kB)",
245};
246
b6016b76
MC
247MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248
4327ba43 249static void bnx2_init_napi(struct bnx2 *bp);
f048fa9c 250static void bnx2_del_napi(struct bnx2 *bp);
4327ba43 251
35e9010b 252static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
e89bbf10 253{
2f8af120 254 u32 diff;
e89bbf10 255
11848b96
MC
256 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
257 barrier();
faac9c4b
MC
258
259 /* The ring uses 256 indices for 255 entries, one of them
260 * needs to be skipped.
261 */
35e9010b 262 diff = txr->tx_prod - txr->tx_cons;
2bc4078e 263 if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
faac9c4b 264 diff &= 0xffff;
2bc4078e
MC
265 if (diff == BNX2_TX_DESC_CNT)
266 diff = BNX2_MAX_TX_DESC_CNT;
faac9c4b 267 }
807540ba 268 return bp->tx_ring_size - diff;
e89bbf10
MC
269}
270
b6016b76
MC
271static u32
272bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
273{
6bc80629 274 unsigned long flags;
1b8227c4
MC
275 u32 val;
276
6bc80629 277 spin_lock_irqsave(&bp->indirect_lock, flags);
e503e066
MC
278 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
279 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
6bc80629 280 spin_unlock_irqrestore(&bp->indirect_lock, flags);
1b8227c4 281 return val;
b6016b76
MC
282}
283
284static void
285bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
286{
6bc80629
IV
287 unsigned long flags;
288
289 spin_lock_irqsave(&bp->indirect_lock, flags);
e503e066
MC
290 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
291 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
6bc80629 292 spin_unlock_irqrestore(&bp->indirect_lock, flags);
b6016b76
MC
293}
294
2726d6e1
MC
295static void
296bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
297{
298 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
299}
300
301static u32
302bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
303{
807540ba 304 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
2726d6e1
MC
305}
306
b6016b76
MC
307static void
308bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
309{
6bc80629
IV
310 unsigned long flags;
311
b6016b76 312 offset += cid_addr;
6bc80629 313 spin_lock_irqsave(&bp->indirect_lock, flags);
4ce45e02 314 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
59b47d8a
MC
315 int i;
316
e503e066
MC
317 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
318 BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
319 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
59b47d8a 320 for (i = 0; i < 5; i++) {
e503e066 321 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
59b47d8a
MC
322 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
323 break;
324 udelay(5);
325 }
326 } else {
e503e066
MC
327 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
328 BNX2_WR(bp, BNX2_CTX_DATA, val);
59b47d8a 329 }
6bc80629 330 spin_unlock_irqrestore(&bp->indirect_lock, flags);
b6016b76
MC
331}
332
4edd473f
MC
333#ifdef BCM_CNIC
334static int
335bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
336{
337 struct bnx2 *bp = netdev_priv(dev);
338 struct drv_ctl_io *io = &info->data.io;
339
340 switch (info->cmd) {
341 case DRV_CTL_IO_WR_CMD:
342 bnx2_reg_wr_ind(bp, io->offset, io->data);
343 break;
344 case DRV_CTL_IO_RD_CMD:
345 io->data = bnx2_reg_rd_ind(bp, io->offset);
346 break;
347 case DRV_CTL_CTX_WR_CMD:
348 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
349 break;
350 default:
351 return -EINVAL;
352 }
353 return 0;
354}
355
356static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
357{
358 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
359 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
360 int sb_id;
361
362 if (bp->flags & BNX2_FLAG_USING_MSIX) {
363 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
364 bnapi->cnic_present = 0;
365 sb_id = bp->irq_nvecs;
366 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
367 } else {
368 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
369 bnapi->cnic_tag = bnapi->last_status_idx;
370 bnapi->cnic_present = 1;
371 sb_id = 0;
372 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
373 }
374
375 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
376 cp->irq_arr[0].status_blk = (void *)
377 ((unsigned long) bnapi->status_blk.msi +
378 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
379 cp->irq_arr[0].status_blk_num = sb_id;
380 cp->num_irq = 1;
381}
382
383static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
384 void *data)
385{
386 struct bnx2 *bp = netdev_priv(dev);
387 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
388
389 if (ops == NULL)
390 return -EINVAL;
391
392 if (cp->drv_state & CNIC_DRV_STATE_REGD)
393 return -EBUSY;
394
41c2178a
MC
395 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
396 return -ENODEV;
397
4edd473f
MC
398 bp->cnic_data = data;
399 rcu_assign_pointer(bp->cnic_ops, ops);
400
401 cp->num_irq = 0;
402 cp->drv_state = CNIC_DRV_STATE_REGD;
403
404 bnx2_setup_cnic_irq_info(bp);
405
406 return 0;
407}
408
409static int bnx2_unregister_cnic(struct net_device *dev)
410{
411 struct bnx2 *bp = netdev_priv(dev);
412 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
413 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
414
c5a88950 415 mutex_lock(&bp->cnic_lock);
4edd473f
MC
416 cp->drv_state = 0;
417 bnapi->cnic_present = 0;
2cfa5a04 418 RCU_INIT_POINTER(bp->cnic_ops, NULL);
c5a88950 419 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
420 synchronize_rcu();
421 return 0;
422}
423
61c2fc4b 424static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
4edd473f
MC
425{
426 struct bnx2 *bp = netdev_priv(dev);
427 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
428
7625eb2f
MC
429 if (!cp->max_iscsi_conn)
430 return NULL;
431
4edd473f
MC
432 cp->drv_owner = THIS_MODULE;
433 cp->chip_id = bp->chip_id;
434 cp->pdev = bp->pdev;
435 cp->io_base = bp->regview;
436 cp->drv_ctl = bnx2_drv_ctl;
437 cp->drv_register_cnic = bnx2_register_cnic;
438 cp->drv_unregister_cnic = bnx2_unregister_cnic;
439
440 return cp;
441}
4edd473f
MC
442
443static void
444bnx2_cnic_stop(struct bnx2 *bp)
445{
446 struct cnic_ops *c_ops;
447 struct cnic_ctl_info info;
448
c5a88950 449 mutex_lock(&bp->cnic_lock);
13707f9e
ED
450 c_ops = rcu_dereference_protected(bp->cnic_ops,
451 lockdep_is_held(&bp->cnic_lock));
4edd473f
MC
452 if (c_ops) {
453 info.cmd = CNIC_CTL_STOP_CMD;
454 c_ops->cnic_ctl(bp->cnic_data, &info);
455 }
c5a88950 456 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
457}
458
459static void
460bnx2_cnic_start(struct bnx2 *bp)
461{
462 struct cnic_ops *c_ops;
463 struct cnic_ctl_info info;
464
c5a88950 465 mutex_lock(&bp->cnic_lock);
13707f9e
ED
466 c_ops = rcu_dereference_protected(bp->cnic_ops,
467 lockdep_is_held(&bp->cnic_lock));
4edd473f
MC
468 if (c_ops) {
469 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
470 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
471
472 bnapi->cnic_tag = bnapi->last_status_idx;
473 }
474 info.cmd = CNIC_CTL_START_CMD;
475 c_ops->cnic_ctl(bp->cnic_data, &info);
476 }
c5a88950 477 mutex_unlock(&bp->cnic_lock);
4edd473f
MC
478}
479
480#else
481
482static void
483bnx2_cnic_stop(struct bnx2 *bp)
484{
485}
486
487static void
488bnx2_cnic_start(struct bnx2 *bp)
489{
490}
491
492#endif
493
b6016b76
MC
494static int
495bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
496{
497 u32 val1;
498 int i, ret;
499
583c28e5 500 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 501 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
502 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
503
e503e066
MC
504 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
505 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
506
507 udelay(40);
508 }
509
510 val1 = (bp->phy_addr << 21) | (reg << 16) |
511 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
512 BNX2_EMAC_MDIO_COMM_START_BUSY;
e503e066 513 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
b6016b76
MC
514
515 for (i = 0; i < 50; i++) {
516 udelay(10);
517
e503e066 518 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
519 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
520 udelay(5);
521
e503e066 522 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
523 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
524
525 break;
526 }
527 }
528
529 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
530 *val = 0x0;
531 ret = -EBUSY;
532 }
533 else {
534 *val = val1;
535 ret = 0;
536 }
537
583c28e5 538 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 539 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
540 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
541
e503e066
MC
542 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
543 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
544
545 udelay(40);
546 }
547
548 return ret;
549}
550
551static int
552bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
553{
554 u32 val1;
555 int i, ret;
556
583c28e5 557 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 558 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
559 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
560
e503e066
MC
561 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
562 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
563
564 udelay(40);
565 }
566
567 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
568 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
569 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
e503e066 570 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
6aa20a22 571
b6016b76
MC
572 for (i = 0; i < 50; i++) {
573 udelay(10);
574
e503e066 575 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
b6016b76
MC
576 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
577 udelay(5);
578 break;
579 }
580 }
581
582 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
583 ret = -EBUSY;
584 else
585 ret = 0;
586
583c28e5 587 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
e503e066 588 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
589 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
590
e503e066
MC
591 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
592 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
b6016b76
MC
593
594 udelay(40);
595 }
596
597 return ret;
598}
599
600static void
601bnx2_disable_int(struct bnx2 *bp)
602{
b4b36042
MC
603 int i;
604 struct bnx2_napi *bnapi;
605
606 for (i = 0; i < bp->irq_nvecs; i++) {
607 bnapi = &bp->bnx2_napi[i];
e503e066 608 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
b4b36042
MC
609 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
610 }
e503e066 611 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
b6016b76
MC
612}
613
614static void
615bnx2_enable_int(struct bnx2 *bp)
616{
b4b36042
MC
617 int i;
618 struct bnx2_napi *bnapi;
35efa7c1 619
b4b36042
MC
620 for (i = 0; i < bp->irq_nvecs; i++) {
621 bnapi = &bp->bnx2_napi[i];
1269a8a6 622
e503e066
MC
623 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
624 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
625 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
626 bnapi->last_status_idx);
b6016b76 627
e503e066
MC
628 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
629 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
630 bnapi->last_status_idx);
b4b36042 631 }
e503e066 632 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC
633}
634
635static void
636bnx2_disable_int_sync(struct bnx2 *bp)
637{
b4b36042
MC
638 int i;
639
b6016b76 640 atomic_inc(&bp->intr_sem);
3767546c
MC
641 if (!netif_running(bp->dev))
642 return;
643
b6016b76 644 bnx2_disable_int(bp);
b4b36042
MC
645 for (i = 0; i < bp->irq_nvecs; i++)
646 synchronize_irq(bp->irq_tbl[i].vector);
b6016b76
MC
647}
648
35efa7c1
MC
649static void
650bnx2_napi_disable(struct bnx2 *bp)
651{
b4b36042
MC
652 int i;
653
654 for (i = 0; i < bp->irq_nvecs; i++)
655 napi_disable(&bp->bnx2_napi[i].napi);
35efa7c1
MC
656}
657
658static void
659bnx2_napi_enable(struct bnx2 *bp)
660{
b4b36042
MC
661 int i;
662
663 for (i = 0; i < bp->irq_nvecs; i++)
664 napi_enable(&bp->bnx2_napi[i].napi);
35efa7c1
MC
665}
666
b6016b76 667static void
212f9934 668bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
b6016b76 669{
212f9934
MC
670 if (stop_cnic)
671 bnx2_cnic_stop(bp);
b6016b76 672 if (netif_running(bp->dev)) {
35efa7c1 673 bnx2_napi_disable(bp);
b6016b76 674 netif_tx_disable(bp->dev);
b6016b76 675 }
b7466560 676 bnx2_disable_int_sync(bp);
a0ba6760 677 netif_carrier_off(bp->dev); /* prevent tx timeout */
b6016b76
MC
678}
679
680static void
212f9934 681bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
b6016b76
MC
682{
683 if (atomic_dec_and_test(&bp->intr_sem)) {
684 if (netif_running(bp->dev)) {
706bf240 685 netif_tx_wake_all_queues(bp->dev);
a0ba6760
MC
686 spin_lock_bh(&bp->phy_lock);
687 if (bp->link_up)
688 netif_carrier_on(bp->dev);
689 spin_unlock_bh(&bp->phy_lock);
35efa7c1 690 bnx2_napi_enable(bp);
b6016b76 691 bnx2_enable_int(bp);
212f9934
MC
692 if (start_cnic)
693 bnx2_cnic_start(bp);
b6016b76
MC
694 }
695 }
696}
697
35e9010b
MC
698static void
699bnx2_free_tx_mem(struct bnx2 *bp)
700{
701 int i;
702
703 for (i = 0; i < bp->num_tx_rings; i++) {
704 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
705 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
706
707 if (txr->tx_desc_ring) {
36227e88
SG
708 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
709 txr->tx_desc_ring,
710 txr->tx_desc_mapping);
35e9010b
MC
711 txr->tx_desc_ring = NULL;
712 }
713 kfree(txr->tx_buf_ring);
714 txr->tx_buf_ring = NULL;
715 }
716}
717
bb4f98ab
MC
718static void
719bnx2_free_rx_mem(struct bnx2 *bp)
720{
721 int i;
722
723 for (i = 0; i < bp->num_rx_rings; i++) {
724 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
725 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
726 int j;
727
728 for (j = 0; j < bp->rx_max_ring; j++) {
729 if (rxr->rx_desc_ring[j])
36227e88
SG
730 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
731 rxr->rx_desc_ring[j],
732 rxr->rx_desc_mapping[j]);
bb4f98ab
MC
733 rxr->rx_desc_ring[j] = NULL;
734 }
25b0b999 735 vfree(rxr->rx_buf_ring);
bb4f98ab
MC
736 rxr->rx_buf_ring = NULL;
737
738 for (j = 0; j < bp->rx_max_pg_ring; j++) {
739 if (rxr->rx_pg_desc_ring[j])
36227e88
SG
740 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
741 rxr->rx_pg_desc_ring[j],
742 rxr->rx_pg_desc_mapping[j]);
3298a738 743 rxr->rx_pg_desc_ring[j] = NULL;
bb4f98ab 744 }
25b0b999 745 vfree(rxr->rx_pg_ring);
bb4f98ab
MC
746 rxr->rx_pg_ring = NULL;
747 }
748}
749
35e9010b
MC
750static int
751bnx2_alloc_tx_mem(struct bnx2 *bp)
752{
753 int i;
754
755 for (i = 0; i < bp->num_tx_rings; i++) {
756 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
757 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
758
759 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
760 if (txr->tx_buf_ring == NULL)
761 return -ENOMEM;
762
763 txr->tx_desc_ring =
36227e88
SG
764 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
765 &txr->tx_desc_mapping, GFP_KERNEL);
35e9010b
MC
766 if (txr->tx_desc_ring == NULL)
767 return -ENOMEM;
768 }
769 return 0;
770}
771
bb4f98ab
MC
772static int
773bnx2_alloc_rx_mem(struct bnx2 *bp)
774{
775 int i;
776
777 for (i = 0; i < bp->num_rx_rings; i++) {
778 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
779 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
780 int j;
781
782 rxr->rx_buf_ring =
89bf67f1 783 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
bb4f98ab
MC
784 if (rxr->rx_buf_ring == NULL)
785 return -ENOMEM;
786
bb4f98ab
MC
787 for (j = 0; j < bp->rx_max_ring; j++) {
788 rxr->rx_desc_ring[j] =
36227e88
SG
789 dma_alloc_coherent(&bp->pdev->dev,
790 RXBD_RING_SIZE,
791 &rxr->rx_desc_mapping[j],
792 GFP_KERNEL);
bb4f98ab
MC
793 if (rxr->rx_desc_ring[j] == NULL)
794 return -ENOMEM;
795
796 }
797
798 if (bp->rx_pg_ring_size) {
89bf67f1 799 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
bb4f98ab
MC
800 bp->rx_max_pg_ring);
801 if (rxr->rx_pg_ring == NULL)
802 return -ENOMEM;
803
bb4f98ab
MC
804 }
805
806 for (j = 0; j < bp->rx_max_pg_ring; j++) {
807 rxr->rx_pg_desc_ring[j] =
36227e88
SG
808 dma_alloc_coherent(&bp->pdev->dev,
809 RXBD_RING_SIZE,
810 &rxr->rx_pg_desc_mapping[j],
811 GFP_KERNEL);
bb4f98ab
MC
812 if (rxr->rx_pg_desc_ring[j] == NULL)
813 return -ENOMEM;
814
815 }
816 }
817 return 0;
818}
819
8fae307c 820static void
821bnx2_free_stats_blk(struct net_device *dev)
822{
823 struct bnx2 *bp = netdev_priv(dev);
824
825 if (bp->status_blk) {
826 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
827 bp->status_blk,
828 bp->status_blk_mapping);
829 bp->status_blk = NULL;
830 bp->stats_blk = NULL;
831 }
832}
833
834static int
835bnx2_alloc_stats_blk(struct net_device *dev)
836{
837 int status_blk_size;
838 void *status_blk;
839 struct bnx2 *bp = netdev_priv(dev);
840
841 /* Combine status and statistics blocks into one allocation. */
842 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
843 if (bp->flags & BNX2_FLAG_MSIX_CAP)
844 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
845 BNX2_SBLK_MSIX_ALIGN_SIZE);
846 bp->status_stats_size = status_blk_size +
847 sizeof(struct statistics_block);
848 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
849 &bp->status_blk_mapping, GFP_KERNEL);
850 if (status_blk == NULL)
851 return -ENOMEM;
852
853 bp->status_blk = status_blk;
854 bp->stats_blk = status_blk + status_blk_size;
855 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
856
857 return 0;
858}
859
b6016b76
MC
860static void
861bnx2_free_mem(struct bnx2 *bp)
862{
13daffa2 863 int i;
43e80b89 864 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
13daffa2 865
35e9010b 866 bnx2_free_tx_mem(bp);
bb4f98ab 867 bnx2_free_rx_mem(bp);
35e9010b 868
59b47d8a
MC
869 for (i = 0; i < bp->ctx_pages; i++) {
870 if (bp->ctx_blk[i]) {
2bc4078e 871 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
36227e88
SG
872 bp->ctx_blk[i],
873 bp->ctx_blk_mapping[i]);
59b47d8a
MC
874 bp->ctx_blk[i] = NULL;
875 }
876 }
8fae307c 877
878 if (bnapi->status_blk.msi)
43e80b89 879 bnapi->status_blk.msi = NULL;
b6016b76
MC
880}
881
882static int
883bnx2_alloc_mem(struct bnx2 *bp)
884{
8fae307c 885 int i, err;
43e80b89 886 struct bnx2_napi *bnapi;
b6016b76 887
43e80b89 888 bnapi = &bp->bnx2_napi[0];
8fae307c 889 bnapi->status_blk.msi = bp->status_blk;
43e80b89
MC
890 bnapi->hw_tx_cons_ptr =
891 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
892 bnapi->hw_rx_cons_ptr =
893 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
f86e82fb 894 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
379b39a2 895 for (i = 1; i < bp->irq_nvecs; i++) {
43e80b89
MC
896 struct status_block_msix *sblk;
897
898 bnapi = &bp->bnx2_napi[i];
b4b36042 899
8fae307c 900 sblk = (bp->status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
43e80b89
MC
901 bnapi->status_blk.msix = sblk;
902 bnapi->hw_tx_cons_ptr =
903 &sblk->status_tx_quick_consumer_index;
904 bnapi->hw_rx_cons_ptr =
905 &sblk->status_rx_quick_consumer_index;
b4b36042
MC
906 bnapi->int_num = i << 24;
907 }
908 }
35efa7c1 909
4ce45e02 910 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
2bc4078e 911 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
59b47d8a
MC
912 if (bp->ctx_pages == 0)
913 bp->ctx_pages = 1;
914 for (i = 0; i < bp->ctx_pages; i++) {
36227e88 915 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
2bc4078e 916 BNX2_PAGE_SIZE,
36227e88
SG
917 &bp->ctx_blk_mapping[i],
918 GFP_KERNEL);
59b47d8a
MC
919 if (bp->ctx_blk[i] == NULL)
920 goto alloc_mem_err;
921 }
922 }
35e9010b 923
bb4f98ab
MC
924 err = bnx2_alloc_rx_mem(bp);
925 if (err)
926 goto alloc_mem_err;
927
35e9010b
MC
928 err = bnx2_alloc_tx_mem(bp);
929 if (err)
930 goto alloc_mem_err;
931
b6016b76
MC
932 return 0;
933
934alloc_mem_err:
935 bnx2_free_mem(bp);
936 return -ENOMEM;
937}
938
e3648b3d
MC
939static void
940bnx2_report_fw_link(struct bnx2 *bp)
941{
942 u32 fw_link_status = 0;
943
583c28e5 944 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
945 return;
946
e3648b3d
MC
947 if (bp->link_up) {
948 u32 bmsr;
949
950 switch (bp->line_speed) {
951 case SPEED_10:
952 if (bp->duplex == DUPLEX_HALF)
953 fw_link_status = BNX2_LINK_STATUS_10HALF;
954 else
955 fw_link_status = BNX2_LINK_STATUS_10FULL;
956 break;
957 case SPEED_100:
958 if (bp->duplex == DUPLEX_HALF)
959 fw_link_status = BNX2_LINK_STATUS_100HALF;
960 else
961 fw_link_status = BNX2_LINK_STATUS_100FULL;
962 break;
963 case SPEED_1000:
964 if (bp->duplex == DUPLEX_HALF)
965 fw_link_status = BNX2_LINK_STATUS_1000HALF;
966 else
967 fw_link_status = BNX2_LINK_STATUS_1000FULL;
968 break;
969 case SPEED_2500:
970 if (bp->duplex == DUPLEX_HALF)
971 fw_link_status = BNX2_LINK_STATUS_2500HALF;
972 else
973 fw_link_status = BNX2_LINK_STATUS_2500FULL;
974 break;
975 }
976
977 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
978
979 if (bp->autoneg) {
980 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
981
ca58c3af
MC
982 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
983 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
e3648b3d
MC
984
985 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
583c28e5 986 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
e3648b3d
MC
987 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
988 else
989 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
990 }
991 }
992 else
993 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
994
2726d6e1 995 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
e3648b3d
MC
996}
997
9b1084b8
MC
998static char *
999bnx2_xceiver_str(struct bnx2 *bp)
1000{
807540ba 1001 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
583c28e5 1002 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
807540ba 1003 "Copper");
9b1084b8
MC
1004}
1005
b6016b76
MC
1006static void
1007bnx2_report_link(struct bnx2 *bp)
1008{
1009 if (bp->link_up) {
1010 netif_carrier_on(bp->dev);
3a9c6a49
JP
1011 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
1012 bnx2_xceiver_str(bp),
1013 bp->line_speed,
1014 bp->duplex == DUPLEX_FULL ? "full" : "half");
b6016b76
MC
1015
1016 if (bp->flow_ctrl) {
1017 if (bp->flow_ctrl & FLOW_CTRL_RX) {
3a9c6a49 1018 pr_cont(", receive ");
b6016b76 1019 if (bp->flow_ctrl & FLOW_CTRL_TX)
3a9c6a49 1020 pr_cont("& transmit ");
b6016b76
MC
1021 }
1022 else {
3a9c6a49 1023 pr_cont(", transmit ");
b6016b76 1024 }
3a9c6a49 1025 pr_cont("flow control ON");
b6016b76 1026 }
3a9c6a49
JP
1027 pr_cont("\n");
1028 } else {
b6016b76 1029 netif_carrier_off(bp->dev);
3a9c6a49
JP
1030 netdev_err(bp->dev, "NIC %s Link is Down\n",
1031 bnx2_xceiver_str(bp));
b6016b76 1032 }
e3648b3d
MC
1033
1034 bnx2_report_fw_link(bp);
b6016b76
MC
1035}
1036
1037static void
1038bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1039{
1040 u32 local_adv, remote_adv;
1041
1042 bp->flow_ctrl = 0;
6aa20a22 1043 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
b6016b76
MC
1044 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1045
1046 if (bp->duplex == DUPLEX_FULL) {
1047 bp->flow_ctrl = bp->req_flow_ctrl;
1048 }
1049 return;
1050 }
1051
1052 if (bp->duplex != DUPLEX_FULL) {
1053 return;
1054 }
1055
583c28e5 1056 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1057 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
5b0c76ad
MC
1058 u32 val;
1059
1060 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1061 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1062 bp->flow_ctrl |= FLOW_CTRL_TX;
1063 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1064 bp->flow_ctrl |= FLOW_CTRL_RX;
1065 return;
1066 }
1067
ca58c3af
MC
1068 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1069 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76 1070
583c28e5 1071 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1072 u32 new_local_adv = 0;
1073 u32 new_remote_adv = 0;
1074
1075 if (local_adv & ADVERTISE_1000XPAUSE)
1076 new_local_adv |= ADVERTISE_PAUSE_CAP;
1077 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1078 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1079 if (remote_adv & ADVERTISE_1000XPAUSE)
1080 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1081 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1082 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1083
1084 local_adv = new_local_adv;
1085 remote_adv = new_remote_adv;
1086 }
1087
1088 /* See Table 28B-3 of 802.3ab-1999 spec. */
1089 if (local_adv & ADVERTISE_PAUSE_CAP) {
1090 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1091 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1092 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1093 }
1094 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1095 bp->flow_ctrl = FLOW_CTRL_RX;
1096 }
1097 }
1098 else {
1099 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1100 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1101 }
1102 }
1103 }
1104 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1105 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1106 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1107
1108 bp->flow_ctrl = FLOW_CTRL_TX;
1109 }
1110 }
1111}
1112
27a005b8
MC
1113static int
1114bnx2_5709s_linkup(struct bnx2 *bp)
1115{
1116 u32 val, speed;
1117
1118 bp->link_up = 1;
1119
1120 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1121 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1122 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1123
1124 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1125 bp->line_speed = bp->req_line_speed;
1126 bp->duplex = bp->req_duplex;
1127 return 0;
1128 }
1129 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1130 switch (speed) {
1131 case MII_BNX2_GP_TOP_AN_SPEED_10:
1132 bp->line_speed = SPEED_10;
1133 break;
1134 case MII_BNX2_GP_TOP_AN_SPEED_100:
1135 bp->line_speed = SPEED_100;
1136 break;
1137 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1138 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1139 bp->line_speed = SPEED_1000;
1140 break;
1141 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1142 bp->line_speed = SPEED_2500;
1143 break;
1144 }
1145 if (val & MII_BNX2_GP_TOP_AN_FD)
1146 bp->duplex = DUPLEX_FULL;
1147 else
1148 bp->duplex = DUPLEX_HALF;
1149 return 0;
1150}
1151
b6016b76 1152static int
5b0c76ad
MC
1153bnx2_5708s_linkup(struct bnx2 *bp)
1154{
1155 u32 val;
1156
1157 bp->link_up = 1;
1158 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1159 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1160 case BCM5708S_1000X_STAT1_SPEED_10:
1161 bp->line_speed = SPEED_10;
1162 break;
1163 case BCM5708S_1000X_STAT1_SPEED_100:
1164 bp->line_speed = SPEED_100;
1165 break;
1166 case BCM5708S_1000X_STAT1_SPEED_1G:
1167 bp->line_speed = SPEED_1000;
1168 break;
1169 case BCM5708S_1000X_STAT1_SPEED_2G5:
1170 bp->line_speed = SPEED_2500;
1171 break;
1172 }
1173 if (val & BCM5708S_1000X_STAT1_FD)
1174 bp->duplex = DUPLEX_FULL;
1175 else
1176 bp->duplex = DUPLEX_HALF;
1177
1178 return 0;
1179}
1180
1181static int
1182bnx2_5706s_linkup(struct bnx2 *bp)
b6016b76
MC
1183{
1184 u32 bmcr, local_adv, remote_adv, common;
1185
1186 bp->link_up = 1;
1187 bp->line_speed = SPEED_1000;
1188
ca58c3af 1189 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1190 if (bmcr & BMCR_FULLDPLX) {
1191 bp->duplex = DUPLEX_FULL;
1192 }
1193 else {
1194 bp->duplex = DUPLEX_HALF;
1195 }
1196
1197 if (!(bmcr & BMCR_ANENABLE)) {
1198 return 0;
1199 }
1200
ca58c3af
MC
1201 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1202 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC
1203
1204 common = local_adv & remote_adv;
1205 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1206
1207 if (common & ADVERTISE_1000XFULL) {
1208 bp->duplex = DUPLEX_FULL;
1209 }
1210 else {
1211 bp->duplex = DUPLEX_HALF;
1212 }
1213 }
1214
1215 return 0;
1216}
1217
1218static int
1219bnx2_copper_linkup(struct bnx2 *bp)
1220{
1221 u32 bmcr;
1222
4016badd
MC
1223 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
1224
ca58c3af 1225 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1226 if (bmcr & BMCR_ANENABLE) {
1227 u32 local_adv, remote_adv, common;
1228
1229 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1230 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1231
1232 common = local_adv & (remote_adv >> 2);
1233 if (common & ADVERTISE_1000FULL) {
1234 bp->line_speed = SPEED_1000;
1235 bp->duplex = DUPLEX_FULL;
1236 }
1237 else if (common & ADVERTISE_1000HALF) {
1238 bp->line_speed = SPEED_1000;
1239 bp->duplex = DUPLEX_HALF;
1240 }
1241 else {
ca58c3af
MC
1242 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1243 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC
1244
1245 common = local_adv & remote_adv;
1246 if (common & ADVERTISE_100FULL) {
1247 bp->line_speed = SPEED_100;
1248 bp->duplex = DUPLEX_FULL;
1249 }
1250 else if (common & ADVERTISE_100HALF) {
1251 bp->line_speed = SPEED_100;
1252 bp->duplex = DUPLEX_HALF;
1253 }
1254 else if (common & ADVERTISE_10FULL) {
1255 bp->line_speed = SPEED_10;
1256 bp->duplex = DUPLEX_FULL;
1257 }
1258 else if (common & ADVERTISE_10HALF) {
1259 bp->line_speed = SPEED_10;
1260 bp->duplex = DUPLEX_HALF;
1261 }
1262 else {
1263 bp->line_speed = 0;
1264 bp->link_up = 0;
1265 }
1266 }
1267 }
1268 else {
1269 if (bmcr & BMCR_SPEED100) {
1270 bp->line_speed = SPEED_100;
1271 }
1272 else {
1273 bp->line_speed = SPEED_10;
1274 }
1275 if (bmcr & BMCR_FULLDPLX) {
1276 bp->duplex = DUPLEX_FULL;
1277 }
1278 else {
1279 bp->duplex = DUPLEX_HALF;
1280 }
1281 }
1282
4016badd
MC
1283 if (bp->link_up) {
1284 u32 ext_status;
1285
1286 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
1287 if (ext_status & EXT_STATUS_MDIX)
1288 bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
1289 }
1290
b6016b76
MC
1291 return 0;
1292}
1293
83e3fc89 1294static void
bb4f98ab 1295bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
83e3fc89 1296{
bb4f98ab 1297 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
83e3fc89
MC
1298
1299 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1300 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1301 val |= 0x02 << 8;
1302
22fa159d
MC
1303 if (bp->flow_ctrl & FLOW_CTRL_TX)
1304 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
83e3fc89 1305
83e3fc89
MC
1306 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1307}
1308
bb4f98ab
MC
1309static void
1310bnx2_init_all_rx_contexts(struct bnx2 *bp)
1311{
1312 int i;
1313 u32 cid;
1314
1315 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1316 if (i == 1)
1317 cid = RX_RSS_CID;
1318 bnx2_init_rx_context(bp, cid);
1319 }
1320}
1321
344478db 1322static void
b6016b76
MC
1323bnx2_set_mac_link(struct bnx2 *bp)
1324{
1325 u32 val;
1326
e503e066 1327 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
b6016b76
MC
1328 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1329 (bp->duplex == DUPLEX_HALF)) {
e503e066 1330 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
b6016b76
MC
1331 }
1332
1333 /* Configure the EMAC mode register. */
e503e066 1334 val = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
1335
1336 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
5b0c76ad 1337 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 1338 BNX2_EMAC_MODE_25G_MODE);
b6016b76
MC
1339
1340 if (bp->link_up) {
5b0c76ad
MC
1341 switch (bp->line_speed) {
1342 case SPEED_10:
4ce45e02 1343 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
59b47d8a 1344 val |= BNX2_EMAC_MODE_PORT_MII_10M;
5b0c76ad
MC
1345 break;
1346 }
1347 /* fall through */
1348 case SPEED_100:
1349 val |= BNX2_EMAC_MODE_PORT_MII;
1350 break;
1351 case SPEED_2500:
59b47d8a 1352 val |= BNX2_EMAC_MODE_25G_MODE;
5b0c76ad
MC
1353 /* fall through */
1354 case SPEED_1000:
1355 val |= BNX2_EMAC_MODE_PORT_GMII;
1356 break;
1357 }
b6016b76
MC
1358 }
1359 else {
1360 val |= BNX2_EMAC_MODE_PORT_GMII;
1361 }
1362
1363 /* Set the MAC to operate in the appropriate duplex mode. */
1364 if (bp->duplex == DUPLEX_HALF)
1365 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
e503e066 1366 BNX2_WR(bp, BNX2_EMAC_MODE, val);
b6016b76
MC
1367
1368 /* Enable/disable rx PAUSE. */
1369 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1370
1371 if (bp->flow_ctrl & FLOW_CTRL_RX)
1372 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
e503e066 1373 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
b6016b76
MC
1374
1375 /* Enable/disable tx PAUSE. */
e503e066 1376 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
b6016b76
MC
1377 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1378
1379 if (bp->flow_ctrl & FLOW_CTRL_TX)
1380 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
e503e066 1381 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
b6016b76
MC
1382
1383 /* Acknowledge the interrupt. */
e503e066 1384 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
b6016b76 1385
22fa159d 1386 bnx2_init_all_rx_contexts(bp);
b6016b76
MC
1387}
1388
27a005b8
MC
1389static void
1390bnx2_enable_bmsr1(struct bnx2 *bp)
1391{
583c28e5 1392 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1393 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
27a005b8
MC
1394 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1395 MII_BNX2_BLK_ADDR_GP_STATUS);
1396}
1397
1398static void
1399bnx2_disable_bmsr1(struct bnx2 *bp)
1400{
583c28e5 1401 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1402 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
27a005b8
MC
1403 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1404 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1405}
1406
605a9e20
MC
1407static int
1408bnx2_test_and_enable_2g5(struct bnx2 *bp)
1409{
1410 u32 up1;
1411 int ret = 1;
1412
583c28e5 1413 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1414 return 0;
1415
1416 if (bp->autoneg & AUTONEG_SPEED)
1417 bp->advertising |= ADVERTISED_2500baseX_Full;
1418
4ce45e02 1419 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1420 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1421
605a9e20
MC
1422 bnx2_read_phy(bp, bp->mii_up1, &up1);
1423 if (!(up1 & BCM5708S_UP1_2G5)) {
1424 up1 |= BCM5708S_UP1_2G5;
1425 bnx2_write_phy(bp, bp->mii_up1, up1);
1426 ret = 0;
1427 }
1428
4ce45e02 1429 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1430 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1431 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1432
605a9e20
MC
1433 return ret;
1434}
1435
1436static int
1437bnx2_test_and_disable_2g5(struct bnx2 *bp)
1438{
1439 u32 up1;
1440 int ret = 0;
1441
583c28e5 1442 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1443 return 0;
1444
4ce45e02 1445 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1446 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1447
605a9e20
MC
1448 bnx2_read_phy(bp, bp->mii_up1, &up1);
1449 if (up1 & BCM5708S_UP1_2G5) {
1450 up1 &= ~BCM5708S_UP1_2G5;
1451 bnx2_write_phy(bp, bp->mii_up1, up1);
1452 ret = 1;
1453 }
1454
4ce45e02 1455 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8
MC
1456 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1457 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1458
605a9e20
MC
1459 return ret;
1460}
1461
1462static void
1463bnx2_enable_forced_2g5(struct bnx2 *bp)
1464{
cbd6890c
MC
1465 u32 uninitialized_var(bmcr);
1466 int err;
605a9e20 1467
583c28e5 1468 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1469 return;
1470
4ce45e02 1471 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1472 u32 val;
1473
1474 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1475 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC
1476 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1477 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1478 val |= MII_BNX2_SD_MISC1_FORCE |
1479 MII_BNX2_SD_MISC1_FORCE_2_5G;
1480 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1481 }
27a005b8
MC
1482
1483 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1484 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1485 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8 1486
4ce45e02 1487 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
cbd6890c
MC
1488 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1489 if (!err)
1490 bmcr |= BCM5708S_BMCR_FORCE_2500;
c7079857
ED
1491 } else {
1492 return;
605a9e20
MC
1493 }
1494
cbd6890c
MC
1495 if (err)
1496 return;
1497
605a9e20
MC
1498 if (bp->autoneg & AUTONEG_SPEED) {
1499 bmcr &= ~BMCR_ANENABLE;
1500 if (bp->req_duplex == DUPLEX_FULL)
1501 bmcr |= BMCR_FULLDPLX;
1502 }
1503 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1504}
1505
1506static void
1507bnx2_disable_forced_2g5(struct bnx2 *bp)
1508{
cbd6890c
MC
1509 u32 uninitialized_var(bmcr);
1510 int err;
605a9e20 1511
583c28e5 1512 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC
1513 return;
1514
4ce45e02 1515 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1516 u32 val;
1517
1518 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1519 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC
1520 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1521 val &= ~MII_BNX2_SD_MISC1_FORCE;
1522 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1523 }
27a005b8
MC
1524
1525 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1526 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1527 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8 1528
4ce45e02 1529 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
cbd6890c
MC
1530 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1531 if (!err)
1532 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
c7079857
ED
1533 } else {
1534 return;
605a9e20
MC
1535 }
1536
cbd6890c
MC
1537 if (err)
1538 return;
1539
605a9e20
MC
1540 if (bp->autoneg & AUTONEG_SPEED)
1541 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1542 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1543}
1544
b2fadeae
MC
1545static void
1546bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1547{
1548 u32 val;
1549
1550 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1551 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1552 if (start)
1553 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1554 else
1555 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1556}
1557
b6016b76
MC
1558static int
1559bnx2_set_link(struct bnx2 *bp)
1560{
1561 u32 bmsr;
1562 u8 link_up;
1563
80be4434 1564 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
b6016b76
MC
1565 bp->link_up = 1;
1566 return 0;
1567 }
1568
583c28e5 1569 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
1570 return 0;
1571
b6016b76
MC
1572 link_up = bp->link_up;
1573
27a005b8
MC
1574 bnx2_enable_bmsr1(bp);
1575 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1576 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1577 bnx2_disable_bmsr1(bp);
b6016b76 1578
583c28e5 1579 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4ce45e02 1580 (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
a2724e25 1581 u32 val, an_dbg;
b6016b76 1582
583c28e5 1583 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
b2fadeae 1584 bnx2_5706s_force_link_dn(bp, 0);
583c28e5 1585 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
b2fadeae 1586 }
e503e066 1587 val = BNX2_RD(bp, BNX2_EMAC_STATUS);
a2724e25
MC
1588
1589 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1590 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1591 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1592
1593 if ((val & BNX2_EMAC_STATUS_LINK) &&
1594 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
b6016b76
MC
1595 bmsr |= BMSR_LSTATUS;
1596 else
1597 bmsr &= ~BMSR_LSTATUS;
1598 }
1599
1600 if (bmsr & BMSR_LSTATUS) {
1601 bp->link_up = 1;
1602
583c28e5 1603 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 1604 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
5b0c76ad 1605 bnx2_5706s_linkup(bp);
4ce45e02 1606 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
5b0c76ad 1607 bnx2_5708s_linkup(bp);
4ce45e02 1608 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
27a005b8 1609 bnx2_5709s_linkup(bp);
b6016b76
MC
1610 }
1611 else {
1612 bnx2_copper_linkup(bp);
1613 }
1614 bnx2_resolve_flow_ctrl(bp);
1615 }
1616 else {
583c28e5 1617 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
605a9e20
MC
1618 (bp->autoneg & AUTONEG_SPEED))
1619 bnx2_disable_forced_2g5(bp);
b6016b76 1620
583c28e5 1621 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
b2fadeae
MC
1622 u32 bmcr;
1623
1624 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1625 bmcr |= BMCR_ANENABLE;
1626 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1627
583c28e5 1628 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b2fadeae 1629 }
b6016b76
MC
1630 bp->link_up = 0;
1631 }
1632
1633 if (bp->link_up != link_up) {
1634 bnx2_report_link(bp);
1635 }
1636
1637 bnx2_set_mac_link(bp);
1638
1639 return 0;
1640}
1641
1642static int
1643bnx2_reset_phy(struct bnx2 *bp)
1644{
1645 int i;
1646 u32 reg;
1647
ca58c3af 1648 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
b6016b76
MC
1649
1650#define PHY_RESET_MAX_WAIT 100
1651 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1652 udelay(10);
1653
ca58c3af 1654 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
b6016b76
MC
1655 if (!(reg & BMCR_RESET)) {
1656 udelay(20);
1657 break;
1658 }
1659 }
1660 if (i == PHY_RESET_MAX_WAIT) {
1661 return -EBUSY;
1662 }
1663 return 0;
1664}
1665
1666static u32
1667bnx2_phy_get_pause_adv(struct bnx2 *bp)
1668{
1669 u32 adv = 0;
1670
1671 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1672 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1673
583c28e5 1674 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1675 adv = ADVERTISE_1000XPAUSE;
1676 }
1677 else {
1678 adv = ADVERTISE_PAUSE_CAP;
1679 }
1680 }
1681 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
583c28e5 1682 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1683 adv = ADVERTISE_1000XPSE_ASYM;
1684 }
1685 else {
1686 adv = ADVERTISE_PAUSE_ASYM;
1687 }
1688 }
1689 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
583c28e5 1690 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC
1691 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1692 }
1693 else {
1694 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1695 }
1696 }
1697 return adv;
1698}
1699
a2f13890 1700static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
0d8a6571 1701
b6016b76 1702static int
0d8a6571 1703bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
1704__releases(&bp->phy_lock)
1705__acquires(&bp->phy_lock)
0d8a6571
MC
1706{
1707 u32 speed_arg = 0, pause_adv;
1708
1709 pause_adv = bnx2_phy_get_pause_adv(bp);
1710
1711 if (bp->autoneg & AUTONEG_SPEED) {
1712 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1713 if (bp->advertising & ADVERTISED_10baseT_Half)
1714 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1715 if (bp->advertising & ADVERTISED_10baseT_Full)
1716 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1717 if (bp->advertising & ADVERTISED_100baseT_Half)
1718 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1719 if (bp->advertising & ADVERTISED_100baseT_Full)
1720 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1721 if (bp->advertising & ADVERTISED_1000baseT_Full)
1722 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1723 if (bp->advertising & ADVERTISED_2500baseX_Full)
1724 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1725 } else {
1726 if (bp->req_line_speed == SPEED_2500)
1727 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1728 else if (bp->req_line_speed == SPEED_1000)
1729 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1730 else if (bp->req_line_speed == SPEED_100) {
1731 if (bp->req_duplex == DUPLEX_FULL)
1732 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1733 else
1734 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1735 } else if (bp->req_line_speed == SPEED_10) {
1736 if (bp->req_duplex == DUPLEX_FULL)
1737 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1738 else
1739 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1740 }
1741 }
1742
1743 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1744 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
c26736ec 1745 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
0d8a6571
MC
1746 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1747
1748 if (port == PORT_TP)
1749 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1750 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1751
2726d6e1 1752 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
0d8a6571
MC
1753
1754 spin_unlock_bh(&bp->phy_lock);
a2f13890 1755 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
0d8a6571
MC
1756 spin_lock_bh(&bp->phy_lock);
1757
1758 return 0;
1759}
1760
1761static int
1762bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
1763__releases(&bp->phy_lock)
1764__acquires(&bp->phy_lock)
b6016b76 1765{
605a9e20 1766 u32 adv, bmcr;
b6016b76
MC
1767 u32 new_adv = 0;
1768
583c28e5 1769 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
807540ba 1770 return bnx2_setup_remote_phy(bp, port);
0d8a6571 1771
b6016b76
MC
1772 if (!(bp->autoneg & AUTONEG_SPEED)) {
1773 u32 new_bmcr;
5b0c76ad
MC
1774 int force_link_down = 0;
1775
605a9e20
MC
1776 if (bp->req_line_speed == SPEED_2500) {
1777 if (!bnx2_test_and_enable_2g5(bp))
1778 force_link_down = 1;
1779 } else if (bp->req_line_speed == SPEED_1000) {
1780 if (bnx2_test_and_disable_2g5(bp))
1781 force_link_down = 1;
1782 }
ca58c3af 1783 bnx2_read_phy(bp, bp->mii_adv, &adv);
80be4434
MC
1784 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1785
ca58c3af 1786 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
605a9e20 1787 new_bmcr = bmcr & ~BMCR_ANENABLE;
80be4434 1788 new_bmcr |= BMCR_SPEED1000;
605a9e20 1789
4ce45e02 1790 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
27a005b8
MC
1791 if (bp->req_line_speed == SPEED_2500)
1792 bnx2_enable_forced_2g5(bp);
1793 else if (bp->req_line_speed == SPEED_1000) {
1794 bnx2_disable_forced_2g5(bp);
1795 new_bmcr &= ~0x2000;
1796 }
1797
4ce45e02 1798 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
605a9e20
MC
1799 if (bp->req_line_speed == SPEED_2500)
1800 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1801 else
1802 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
5b0c76ad
MC
1803 }
1804
b6016b76 1805 if (bp->req_duplex == DUPLEX_FULL) {
5b0c76ad 1806 adv |= ADVERTISE_1000XFULL;
b6016b76
MC
1807 new_bmcr |= BMCR_FULLDPLX;
1808 }
1809 else {
5b0c76ad 1810 adv |= ADVERTISE_1000XHALF;
b6016b76
MC
1811 new_bmcr &= ~BMCR_FULLDPLX;
1812 }
5b0c76ad 1813 if ((new_bmcr != bmcr) || (force_link_down)) {
b6016b76
MC
1814 /* Force a link down visible on the other side */
1815 if (bp->link_up) {
ca58c3af 1816 bnx2_write_phy(bp, bp->mii_adv, adv &
5b0c76ad
MC
1817 ~(ADVERTISE_1000XFULL |
1818 ADVERTISE_1000XHALF));
ca58c3af 1819 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
b6016b76
MC
1820 BMCR_ANRESTART | BMCR_ANENABLE);
1821
1822 bp->link_up = 0;
1823 netif_carrier_off(bp->dev);
ca58c3af 1824 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
80be4434 1825 bnx2_report_link(bp);
b6016b76 1826 }
ca58c3af
MC
1827 bnx2_write_phy(bp, bp->mii_adv, adv);
1828 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
605a9e20
MC
1829 } else {
1830 bnx2_resolve_flow_ctrl(bp);
1831 bnx2_set_mac_link(bp);
b6016b76
MC
1832 }
1833 return 0;
1834 }
1835
605a9e20 1836 bnx2_test_and_enable_2g5(bp);
5b0c76ad 1837
b6016b76
MC
1838 if (bp->advertising & ADVERTISED_1000baseT_Full)
1839 new_adv |= ADVERTISE_1000XFULL;
1840
1841 new_adv |= bnx2_phy_get_pause_adv(bp);
1842
ca58c3af
MC
1843 bnx2_read_phy(bp, bp->mii_adv, &adv);
1844 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC
1845
1846 bp->serdes_an_pending = 0;
1847 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1848 /* Force a link down visible on the other side */
1849 if (bp->link_up) {
ca58c3af 1850 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
80be4434
MC
1851 spin_unlock_bh(&bp->phy_lock);
1852 msleep(20);
1853 spin_lock_bh(&bp->phy_lock);
b6016b76
MC
1854 }
1855
ca58c3af
MC
1856 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1857 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
b6016b76 1858 BMCR_ANENABLE);
f8dd064e
MC
1859 /* Speed up link-up time when the link partner
1860 * does not autonegotiate which is very common
1861 * in blade servers. Some blade servers use
1862 * IPMI for kerboard input and it's important
1863 * to minimize link disruptions. Autoneg. involves
1864 * exchanging base pages plus 3 next pages and
1865 * normally completes in about 120 msec.
1866 */
40105c0b 1867 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC
1868 bp->serdes_an_pending = 1;
1869 mod_timer(&bp->timer, jiffies + bp->current_interval);
605a9e20
MC
1870 } else {
1871 bnx2_resolve_flow_ctrl(bp);
1872 bnx2_set_mac_link(bp);
b6016b76
MC
1873 }
1874
1875 return 0;
1876}
1877
1878#define ETHTOOL_ALL_FIBRE_SPEED \
583c28e5 1879 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
deaf391b
MC
1880 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1881 (ADVERTISED_1000baseT_Full)
b6016b76
MC
1882
1883#define ETHTOOL_ALL_COPPER_SPEED \
1884 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1885 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1886 ADVERTISED_1000baseT_Full)
1887
1888#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1889 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
6aa20a22 1890
b6016b76
MC
1891#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1892
0d8a6571
MC
1893static void
1894bnx2_set_default_remote_link(struct bnx2 *bp)
1895{
1896 u32 link;
1897
1898 if (bp->phy_port == PORT_TP)
2726d6e1 1899 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
0d8a6571 1900 else
2726d6e1 1901 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
0d8a6571
MC
1902
1903 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1904 bp->req_line_speed = 0;
1905 bp->autoneg |= AUTONEG_SPEED;
1906 bp->advertising = ADVERTISED_Autoneg;
1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1908 bp->advertising |= ADVERTISED_10baseT_Half;
1909 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1910 bp->advertising |= ADVERTISED_10baseT_Full;
1911 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1912 bp->advertising |= ADVERTISED_100baseT_Half;
1913 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1914 bp->advertising |= ADVERTISED_100baseT_Full;
1915 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1916 bp->advertising |= ADVERTISED_1000baseT_Full;
1917 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1918 bp->advertising |= ADVERTISED_2500baseX_Full;
1919 } else {
1920 bp->autoneg = 0;
1921 bp->advertising = 0;
1922 bp->req_duplex = DUPLEX_FULL;
1923 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1924 bp->req_line_speed = SPEED_10;
1925 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1926 bp->req_duplex = DUPLEX_HALF;
1927 }
1928 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1929 bp->req_line_speed = SPEED_100;
1930 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1931 bp->req_duplex = DUPLEX_HALF;
1932 }
1933 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1934 bp->req_line_speed = SPEED_1000;
1935 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1936 bp->req_line_speed = SPEED_2500;
1937 }
1938}
1939
deaf391b
MC
1940static void
1941bnx2_set_default_link(struct bnx2 *bp)
1942{
ab59859d
HH
1943 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1944 bnx2_set_default_remote_link(bp);
1945 return;
1946 }
0d8a6571 1947
deaf391b
MC
1948 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1949 bp->req_line_speed = 0;
583c28e5 1950 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
deaf391b
MC
1951 u32 reg;
1952
1953 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1954
2726d6e1 1955 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
deaf391b
MC
1956 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1957 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1958 bp->autoneg = 0;
1959 bp->req_line_speed = bp->line_speed = SPEED_1000;
1960 bp->req_duplex = DUPLEX_FULL;
1961 }
1962 } else
1963 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1964}
1965
df149d70
MC
1966static void
1967bnx2_send_heart_beat(struct bnx2 *bp)
1968{
1969 u32 msg;
1970 u32 addr;
1971
1972 spin_lock(&bp->indirect_lock);
1973 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1974 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
e503e066
MC
1975 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1976 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
df149d70
MC
1977 spin_unlock(&bp->indirect_lock);
1978}
1979
0d8a6571
MC
1980static void
1981bnx2_remote_phy_event(struct bnx2 *bp)
1982{
1983 u32 msg;
1984 u8 link_up = bp->link_up;
1985 u8 old_port;
1986
2726d6e1 1987 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
0d8a6571 1988
df149d70
MC
1989 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1990 bnx2_send_heart_beat(bp);
1991
1992 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1993
0d8a6571
MC
1994 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1995 bp->link_up = 0;
1996 else {
1997 u32 speed;
1998
1999 bp->link_up = 1;
2000 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
2001 bp->duplex = DUPLEX_FULL;
2002 switch (speed) {
2003 case BNX2_LINK_STATUS_10HALF:
2004 bp->duplex = DUPLEX_HALF;
7947c9ce 2005 /* fall through */
0d8a6571
MC
2006 case BNX2_LINK_STATUS_10FULL:
2007 bp->line_speed = SPEED_10;
2008 break;
2009 case BNX2_LINK_STATUS_100HALF:
2010 bp->duplex = DUPLEX_HALF;
7947c9ce 2011 /* fall through */
0d8a6571
MC
2012 case BNX2_LINK_STATUS_100BASE_T4:
2013 case BNX2_LINK_STATUS_100FULL:
2014 bp->line_speed = SPEED_100;
2015 break;
2016 case BNX2_LINK_STATUS_1000HALF:
2017 bp->duplex = DUPLEX_HALF;
7947c9ce 2018 /* fall through */
0d8a6571
MC
2019 case BNX2_LINK_STATUS_1000FULL:
2020 bp->line_speed = SPEED_1000;
2021 break;
2022 case BNX2_LINK_STATUS_2500HALF:
2023 bp->duplex = DUPLEX_HALF;
7947c9ce 2024 /* fall through */
0d8a6571
MC
2025 case BNX2_LINK_STATUS_2500FULL:
2026 bp->line_speed = SPEED_2500;
2027 break;
2028 default:
2029 bp->line_speed = 0;
2030 break;
2031 }
2032
0d8a6571
MC
2033 bp->flow_ctrl = 0;
2034 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2035 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2036 if (bp->duplex == DUPLEX_FULL)
2037 bp->flow_ctrl = bp->req_flow_ctrl;
2038 } else {
2039 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2040 bp->flow_ctrl |= FLOW_CTRL_TX;
2041 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2042 bp->flow_ctrl |= FLOW_CTRL_RX;
2043 }
2044
2045 old_port = bp->phy_port;
2046 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2047 bp->phy_port = PORT_FIBRE;
2048 else
2049 bp->phy_port = PORT_TP;
2050
2051 if (old_port != bp->phy_port)
2052 bnx2_set_default_link(bp);
2053
0d8a6571
MC
2054 }
2055 if (bp->link_up != link_up)
2056 bnx2_report_link(bp);
2057
2058 bnx2_set_mac_link(bp);
2059}
2060
2061static int
2062bnx2_set_remote_link(struct bnx2 *bp)
2063{
2064 u32 evt_code;
2065
2726d6e1 2066 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
0d8a6571
MC
2067 switch (evt_code) {
2068 case BNX2_FW_EVT_CODE_LINK_EVENT:
2069 bnx2_remote_phy_event(bp);
2070 break;
2071 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2072 default:
df149d70 2073 bnx2_send_heart_beat(bp);
0d8a6571
MC
2074 break;
2075 }
2076 return 0;
2077}
2078
b6016b76
MC
2079static int
2080bnx2_setup_copper_phy(struct bnx2 *bp)
52d07b1f
HH
2081__releases(&bp->phy_lock)
2082__acquires(&bp->phy_lock)
b6016b76 2083{
d17e53bd 2084 u32 bmcr, adv_reg, new_adv = 0;
b6016b76
MC
2085 u32 new_bmcr;
2086
ca58c3af 2087 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 2088
d17e53bd
MC
2089 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2090 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2091 ADVERTISE_PAUSE_ASYM);
2092
2093 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
2094
b6016b76 2095 if (bp->autoneg & AUTONEG_SPEED) {
d17e53bd 2096 u32 adv1000_reg;
37f07023 2097 u32 new_adv1000 = 0;
b6016b76 2098
d17e53bd 2099 new_adv |= bnx2_phy_get_pause_adv(bp);
b6016b76
MC
2100
2101 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2102 adv1000_reg &= PHY_ALL_1000_SPEED;
2103
37f07023 2104 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
37f07023
MC
2105 if ((adv1000_reg != new_adv1000) ||
2106 (adv_reg != new_adv) ||
b6016b76
MC
2107 ((bmcr & BMCR_ANENABLE) == 0)) {
2108
37f07023
MC
2109 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2110 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
ca58c3af 2111 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
b6016b76
MC
2112 BMCR_ANENABLE);
2113 }
2114 else if (bp->link_up) {
2115 /* Flow ctrl may have changed from auto to forced */
2116 /* or vice-versa. */
2117
2118 bnx2_resolve_flow_ctrl(bp);
2119 bnx2_set_mac_link(bp);
2120 }
2121 return 0;
2122 }
2123
d17e53bd
MC
2124 /* advertise nothing when forcing speed */
2125 if (adv_reg != new_adv)
2126 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2127
b6016b76
MC
2128 new_bmcr = 0;
2129 if (bp->req_line_speed == SPEED_100) {
2130 new_bmcr |= BMCR_SPEED100;
2131 }
2132 if (bp->req_duplex == DUPLEX_FULL) {
2133 new_bmcr |= BMCR_FULLDPLX;
2134 }
2135 if (new_bmcr != bmcr) {
2136 u32 bmsr;
b6016b76 2137
ca58c3af
MC
2138 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2139 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
6aa20a22 2140
b6016b76
MC
2141 if (bmsr & BMSR_LSTATUS) {
2142 /* Force link down */
ca58c3af 2143 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
a16dda0e
MC
2144 spin_unlock_bh(&bp->phy_lock);
2145 msleep(50);
2146 spin_lock_bh(&bp->phy_lock);
2147
ca58c3af
MC
2148 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2149 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
b6016b76
MC
2150 }
2151
ca58c3af 2152 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
b6016b76
MC
2153
2154 /* Normally, the new speed is setup after the link has
2155 * gone down and up again. In some cases, link will not go
2156 * down so we need to set up the new speed here.
2157 */
2158 if (bmsr & BMSR_LSTATUS) {
2159 bp->line_speed = bp->req_line_speed;
2160 bp->duplex = bp->req_duplex;
2161 bnx2_resolve_flow_ctrl(bp);
2162 bnx2_set_mac_link(bp);
2163 }
27a005b8
MC
2164 } else {
2165 bnx2_resolve_flow_ctrl(bp);
2166 bnx2_set_mac_link(bp);
b6016b76
MC
2167 }
2168 return 0;
2169}
2170
2171static int
0d8a6571 2172bnx2_setup_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH
2173__releases(&bp->phy_lock)
2174__acquires(&bp->phy_lock)
b6016b76
MC
2175{
2176 if (bp->loopback == MAC_LOOPBACK)
2177 return 0;
2178
583c28e5 2179 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
807540ba 2180 return bnx2_setup_serdes_phy(bp, port);
b6016b76
MC
2181 }
2182 else {
807540ba 2183 return bnx2_setup_copper_phy(bp);
b6016b76
MC
2184 }
2185}
2186
27a005b8 2187static int
9a120bc5 2188bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
27a005b8
MC
2189{
2190 u32 val;
2191
2192 bp->mii_bmcr = MII_BMCR + 0x10;
2193 bp->mii_bmsr = MII_BMSR + 0x10;
2194 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2195 bp->mii_adv = MII_ADVERTISE + 0x10;
2196 bp->mii_lpa = MII_LPA + 0x10;
2197 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2198
2199 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2200 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2201
2202 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
9a120bc5
MC
2203 if (reset_phy)
2204 bnx2_reset_phy(bp);
27a005b8
MC
2205
2206 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2207
2208 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2209 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2210 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2211 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2212
2213 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2214 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
583c28e5 2215 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
27a005b8
MC
2216 val |= BCM5708S_UP1_2G5;
2217 else
2218 val &= ~BCM5708S_UP1_2G5;
2219 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2220
2221 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2222 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2223 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2224 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2225
2226 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2227
2228 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2229 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2230 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2231
2232 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2233
2234 return 0;
2235}
2236
b6016b76 2237static int
9a120bc5 2238bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
5b0c76ad
MC
2239{
2240 u32 val;
2241
9a120bc5
MC
2242 if (reset_phy)
2243 bnx2_reset_phy(bp);
27a005b8
MC
2244
2245 bp->mii_up1 = BCM5708S_UP1;
2246
5b0c76ad
MC
2247 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2248 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2250
2251 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2252 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2253 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2254
2255 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2256 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2257 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2258
583c28e5 2259 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
5b0c76ad
MC
2260 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2261 val |= BCM5708S_UP1_2G5;
2262 bnx2_write_phy(bp, BCM5708S_UP1, val);
2263 }
2264
4ce45e02
MC
2265 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
2266 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
2267 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
5b0c76ad
MC
2268 /* increase tx signal amplitude */
2269 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2270 BCM5708S_BLK_ADDR_TX_MISC);
2271 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2272 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2273 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2274 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2275 }
2276
2726d6e1 2277 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
5b0c76ad
MC
2278 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2279
2280 if (val) {
2281 u32 is_backplane;
2282
2726d6e1 2283 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
5b0c76ad
MC
2284 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2285 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2286 BCM5708S_BLK_ADDR_TX_MISC);
2287 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2288 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2289 BCM5708S_BLK_ADDR_DIG);
2290 }
2291 }
2292 return 0;
2293}
2294
2295static int
9a120bc5 2296bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2297{
9a120bc5
MC
2298 if (reset_phy)
2299 bnx2_reset_phy(bp);
27a005b8 2300
583c28e5 2301 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b6016b76 2302
4ce45e02 2303 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
e503e066 2304 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
b6016b76
MC
2305
2306 if (bp->dev->mtu > 1500) {
2307 u32 val;
2308
2309 /* Set extended packet length bit */
2310 bnx2_write_phy(bp, 0x18, 0x7);
2311 bnx2_read_phy(bp, 0x18, &val);
2312 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2313
2314 bnx2_write_phy(bp, 0x1c, 0x6c00);
2315 bnx2_read_phy(bp, 0x1c, &val);
2316 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2317 }
2318 else {
2319 u32 val;
2320
2321 bnx2_write_phy(bp, 0x18, 0x7);
2322 bnx2_read_phy(bp, 0x18, &val);
2323 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2324
2325 bnx2_write_phy(bp, 0x1c, 0x6c00);
2326 bnx2_read_phy(bp, 0x1c, &val);
2327 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2328 }
2329
2330 return 0;
2331}
2332
2333static int
9a120bc5 2334bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2335{
5b0c76ad
MC
2336 u32 val;
2337
9a120bc5
MC
2338 if (reset_phy)
2339 bnx2_reset_phy(bp);
27a005b8 2340
583c28e5 2341 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
b6016b76
MC
2342 bnx2_write_phy(bp, 0x18, 0x0c00);
2343 bnx2_write_phy(bp, 0x17, 0x000a);
2344 bnx2_write_phy(bp, 0x15, 0x310b);
2345 bnx2_write_phy(bp, 0x17, 0x201f);
2346 bnx2_write_phy(bp, 0x15, 0x9506);
2347 bnx2_write_phy(bp, 0x17, 0x401f);
2348 bnx2_write_phy(bp, 0x15, 0x14e2);
2349 bnx2_write_phy(bp, 0x18, 0x0400);
2350 }
2351
583c28e5 2352 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
b659f44e
MC
2353 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2354 MII_BNX2_DSP_EXPAND_REG | 0x8);
2355 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2356 val &= ~(1 << 8);
2357 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2358 }
2359
b6016b76 2360 if (bp->dev->mtu > 1500) {
b6016b76
MC
2361 /* Set extended packet length bit */
2362 bnx2_write_phy(bp, 0x18, 0x7);
2363 bnx2_read_phy(bp, 0x18, &val);
2364 bnx2_write_phy(bp, 0x18, val | 0x4000);
2365
2366 bnx2_read_phy(bp, 0x10, &val);
2367 bnx2_write_phy(bp, 0x10, val | 0x1);
2368 }
2369 else {
b6016b76
MC
2370 bnx2_write_phy(bp, 0x18, 0x7);
2371 bnx2_read_phy(bp, 0x18, &val);
2372 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2373
2374 bnx2_read_phy(bp, 0x10, &val);
2375 bnx2_write_phy(bp, 0x10, val & ~0x1);
2376 }
2377
5b0c76ad 2378 /* ethernet@wirespeed */
41033b65
MC
2379 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
2380 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
2381 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
2382
2383 /* auto-mdix */
2384 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
2385 val |= AUX_CTL_MISC_CTL_AUTOMDIX;
2386
2387 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
b6016b76
MC
2388 return 0;
2389}
2390
2391
2392static int
9a120bc5 2393bnx2_init_phy(struct bnx2 *bp, int reset_phy)
52d07b1f
HH
2394__releases(&bp->phy_lock)
2395__acquires(&bp->phy_lock)
b6016b76
MC
2396{
2397 u32 val;
2398 int rc = 0;
2399
583c28e5
MC
2400 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2401 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
b6016b76 2402
ca58c3af
MC
2403 bp->mii_bmcr = MII_BMCR;
2404 bp->mii_bmsr = MII_BMSR;
27a005b8 2405 bp->mii_bmsr1 = MII_BMSR;
ca58c3af
MC
2406 bp->mii_adv = MII_ADVERTISE;
2407 bp->mii_lpa = MII_LPA;
2408
e503e066 2409 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
b6016b76 2410
583c28e5 2411 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
2412 goto setup_phy;
2413
b6016b76
MC
2414 bnx2_read_phy(bp, MII_PHYSID1, &val);
2415 bp->phy_id = val << 16;
2416 bnx2_read_phy(bp, MII_PHYSID2, &val);
2417 bp->phy_id |= val & 0xffff;
2418
583c28e5 2419 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 2420 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
9a120bc5 2421 rc = bnx2_init_5706s_phy(bp, reset_phy);
4ce45e02 2422 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
9a120bc5 2423 rc = bnx2_init_5708s_phy(bp, reset_phy);
4ce45e02 2424 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
9a120bc5 2425 rc = bnx2_init_5709s_phy(bp, reset_phy);
b6016b76
MC
2426 }
2427 else {
9a120bc5 2428 rc = bnx2_init_copper_phy(bp, reset_phy);
b6016b76
MC
2429 }
2430
0d8a6571
MC
2431setup_phy:
2432 if (!rc)
2433 rc = bnx2_setup_phy(bp, bp->phy_port);
b6016b76
MC
2434
2435 return rc;
2436}
2437
2438static int
2439bnx2_set_mac_loopback(struct bnx2 *bp)
2440{
2441 u32 mac_mode;
2442
e503e066 2443 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
2444 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2445 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
e503e066 2446 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
b6016b76
MC
2447 bp->link_up = 1;
2448 return 0;
2449}
2450
bc5a0690
MC
2451static int bnx2_test_link(struct bnx2 *);
2452
2453static int
2454bnx2_set_phy_loopback(struct bnx2 *bp)
2455{
2456 u32 mac_mode;
2457 int rc, i;
2458
2459 spin_lock_bh(&bp->phy_lock);
ca58c3af 2460 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
bc5a0690
MC
2461 BMCR_SPEED1000);
2462 spin_unlock_bh(&bp->phy_lock);
2463 if (rc)
2464 return rc;
2465
2466 for (i = 0; i < 10; i++) {
2467 if (bnx2_test_link(bp) == 0)
2468 break;
80be4434 2469 msleep(100);
bc5a0690
MC
2470 }
2471
e503e066 2472 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
bc5a0690
MC
2473 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2474 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 2475 BNX2_EMAC_MODE_25G_MODE);
bc5a0690
MC
2476
2477 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
e503e066 2478 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
bc5a0690
MC
2479 bp->link_up = 1;
2480 return 0;
2481}
2482
ecdbf6e0
JH
2483static void
2484bnx2_dump_mcp_state(struct bnx2 *bp)
2485{
2486 struct net_device *dev = bp->dev;
2487 u32 mcp_p0, mcp_p1;
2488
2489 netdev_err(dev, "<--- start MCP states dump --->\n");
4ce45e02 2490 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
ecdbf6e0
JH
2491 mcp_p0 = BNX2_MCP_STATE_P0;
2492 mcp_p1 = BNX2_MCP_STATE_P1;
2493 } else {
2494 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2495 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2496 }
2497 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2498 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2499 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2500 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2501 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2502 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2503 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2504 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2505 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2506 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2507 netdev_err(dev, "DEBUG: shmem states:\n");
2508 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2509 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2510 bnx2_shmem_rd(bp, BNX2_FW_MB),
2511 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2512 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2513 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2514 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2515 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2516 pr_cont(" condition[%08x]\n",
2517 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
13e63517 2518 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
ecdbf6e0
JH
2519 DP_SHMEM_LINE(bp, 0x3cc);
2520 DP_SHMEM_LINE(bp, 0x3dc);
2521 DP_SHMEM_LINE(bp, 0x3ec);
2522 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2523 netdev_err(dev, "<--- end MCP states dump --->\n");
2524}
2525
b6016b76 2526static int
a2f13890 2527bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
b6016b76
MC
2528{
2529 int i;
2530 u32 val;
2531
b6016b76
MC
2532 bp->fw_wr_seq++;
2533 msg_data |= bp->fw_wr_seq;
a8d9bc2e 2534 bp->fw_last_msg = msg_data;
b6016b76 2535
2726d6e1 2536 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76 2537
a2f13890
MC
2538 if (!ack)
2539 return 0;
2540
b6016b76 2541 /* wait for an acknowledgement. */
40105c0b 2542 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
b090ae2b 2543 msleep(10);
b6016b76 2544
2726d6e1 2545 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
b6016b76
MC
2546
2547 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2548 break;
2549 }
b090ae2b
MC
2550 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2551 return 0;
b6016b76
MC
2552
2553 /* If we timed out, inform the firmware that this is the case. */
b090ae2b 2554 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
b6016b76
MC
2555 msg_data &= ~BNX2_DRV_MSG_CODE;
2556 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2557
2726d6e1 2558 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
ecdbf6e0
JH
2559 if (!silent) {
2560 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2561 bnx2_dump_mcp_state(bp);
2562 }
b6016b76 2563
b6016b76
MC
2564 return -EBUSY;
2565 }
2566
b090ae2b
MC
2567 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2568 return -EIO;
2569
b6016b76
MC
2570 return 0;
2571}
2572
59b47d8a
MC
2573static int
2574bnx2_init_5709_context(struct bnx2 *bp)
2575{
2576 int i, ret = 0;
2577 u32 val;
2578
2579 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2bc4078e 2580 val |= (BNX2_PAGE_BITS - 8) << 16;
e503e066 2581 BNX2_WR(bp, BNX2_CTX_COMMAND, val);
641bdcd5 2582 for (i = 0; i < 10; i++) {
e503e066 2583 val = BNX2_RD(bp, BNX2_CTX_COMMAND);
641bdcd5
MC
2584 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2585 break;
2586 udelay(2);
2587 }
2588 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2589 return -EBUSY;
2590
59b47d8a
MC
2591 for (i = 0; i < bp->ctx_pages; i++) {
2592 int j;
2593
352f7687 2594 if (bp->ctx_blk[i])
2bc4078e 2595 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
352f7687
MC
2596 else
2597 return -ENOMEM;
2598
e503e066
MC
2599 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2600 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2601 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2602 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2603 (u64) bp->ctx_blk_mapping[i] >> 32);
2604 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2605 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
59b47d8a
MC
2606 for (j = 0; j < 10; j++) {
2607
e503e066 2608 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
59b47d8a
MC
2609 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2610 break;
2611 udelay(5);
2612 }
2613 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2614 ret = -EBUSY;
2615 break;
2616 }
2617 }
2618 return ret;
2619}
2620
b6016b76
MC
2621static void
2622bnx2_init_context(struct bnx2 *bp)
2623{
2624 u32 vcid;
2625
2626 vcid = 96;
2627 while (vcid) {
2628 u32 vcid_addr, pcid_addr, offset;
7947b20e 2629 int i;
b6016b76
MC
2630
2631 vcid--;
2632
4ce45e02 2633 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
2634 u32 new_vcid;
2635
2636 vcid_addr = GET_PCID_ADDR(vcid);
2637 if (vcid & 0x8) {
2638 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2639 }
2640 else {
2641 new_vcid = vcid;
2642 }
2643 pcid_addr = GET_PCID_ADDR(new_vcid);
2644 }
2645 else {
2646 vcid_addr = GET_CID_ADDR(vcid);
2647 pcid_addr = vcid_addr;
2648 }
2649
7947b20e
MC
2650 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2651 vcid_addr += (i << PHY_CTX_SHIFT);
2652 pcid_addr += (i << PHY_CTX_SHIFT);
b6016b76 2653
e503e066
MC
2654 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2655 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
b6016b76 2656
7947b20e
MC
2657 /* Zero out the context. */
2658 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
62a8313c 2659 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
7947b20e 2660 }
b6016b76
MC
2661 }
2662}
2663
2664static int
2665bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2666{
2667 u16 *good_mbuf;
2668 u32 good_mbuf_cnt;
2669 u32 val;
2670
2671 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
e404decb 2672 if (good_mbuf == NULL)
b6016b76 2673 return -ENOMEM;
b6016b76 2674
e503e066 2675 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
b6016b76
MC
2676 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2677
2678 good_mbuf_cnt = 0;
2679
2680 /* Allocate a bunch of mbufs and save the good ones in an array. */
2726d6e1 2681 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76 2682 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2726d6e1
MC
2683 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2684 BNX2_RBUF_COMMAND_ALLOC_REQ);
b6016b76 2685
2726d6e1 2686 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
b6016b76
MC
2687
2688 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2689
2690 /* The addresses with Bit 9 set are bad memory blocks. */
2691 if (!(val & (1 << 9))) {
2692 good_mbuf[good_mbuf_cnt] = (u16) val;
2693 good_mbuf_cnt++;
2694 }
2695
2726d6e1 2696 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76
MC
2697 }
2698
2699 /* Free the good ones back to the mbuf pool thus discarding
2700 * all the bad ones. */
2701 while (good_mbuf_cnt) {
2702 good_mbuf_cnt--;
2703
2704 val = good_mbuf[good_mbuf_cnt];
2705 val = (val << 9) | val | 1;
2706
2726d6e1 2707 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
b6016b76
MC
2708 }
2709 kfree(good_mbuf);
2710 return 0;
2711}
2712
2713static void
5fcaed01 2714bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
b6016b76
MC
2715{
2716 u32 val;
b6016b76
MC
2717
2718 val = (mac_addr[0] << 8) | mac_addr[1];
2719
e503e066 2720 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
b6016b76 2721
6aa20a22 2722 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
b6016b76
MC
2723 (mac_addr[4] << 8) | mac_addr[5];
2724
e503e066 2725 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
b6016b76
MC
2726}
2727
47bf4246 2728static inline int
a2df00aa 2729bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
47bf4246
MC
2730{
2731 dma_addr_t mapping;
2bc4078e
MC
2732 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2733 struct bnx2_rx_bd *rxbd =
2734 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
a2df00aa 2735 struct page *page = alloc_page(gfp);
47bf4246
MC
2736
2737 if (!page)
2738 return -ENOMEM;
36227e88 2739 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
47bf4246 2740 PCI_DMA_FROMDEVICE);
36227e88 2741 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
3d16af86
BL
2742 __free_page(page);
2743 return -EIO;
2744 }
2745
47bf4246 2746 rx_pg->page = page;
1a4ccc2d 2747 dma_unmap_addr_set(rx_pg, mapping, mapping);
47bf4246
MC
2748 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2749 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2750 return 0;
2751}
2752
2753static void
bb4f98ab 2754bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
47bf4246 2755{
2bc4078e 2756 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246
MC
2757 struct page *page = rx_pg->page;
2758
2759 if (!page)
2760 return;
2761
36227e88
SG
2762 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2763 PAGE_SIZE, PCI_DMA_FROMDEVICE);
47bf4246
MC
2764
2765 __free_page(page);
2766 rx_pg->page = NULL;
2767}
2768
b6016b76 2769static inline int
dd2bc8e9 2770bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
b6016b76 2771{
dd2bc8e9 2772 u8 *data;
2bc4078e 2773 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
b6016b76 2774 dma_addr_t mapping;
2bc4078e
MC
2775 struct bnx2_rx_bd *rxbd =
2776 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
b6016b76 2777
dd2bc8e9
ED
2778 data = kmalloc(bp->rx_buf_size, gfp);
2779 if (!data)
b6016b76 2780 return -ENOMEM;
b6016b76 2781
dd2bc8e9
ED
2782 mapping = dma_map_single(&bp->pdev->dev,
2783 get_l2_fhdr(data),
2784 bp->rx_buf_use_size,
36227e88
SG
2785 PCI_DMA_FROMDEVICE);
2786 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
dd2bc8e9 2787 kfree(data);
3d16af86
BL
2788 return -EIO;
2789 }
b6016b76 2790
dd2bc8e9 2791 rx_buf->data = data;
1a4ccc2d 2792 dma_unmap_addr_set(rx_buf, mapping, mapping);
b6016b76
MC
2793
2794 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2795 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2796
bb4f98ab 2797 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76
MC
2798
2799 return 0;
2800}
2801
da3e4fbe 2802static int
35efa7c1 2803bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
b6016b76 2804{
43e80b89 2805 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76 2806 u32 new_link_state, old_link_state;
da3e4fbe 2807 int is_set = 1;
b6016b76 2808
da3e4fbe
MC
2809 new_link_state = sblk->status_attn_bits & event;
2810 old_link_state = sblk->status_attn_bits_ack & event;
b6016b76 2811 if (new_link_state != old_link_state) {
da3e4fbe 2812 if (new_link_state)
e503e066 2813 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
da3e4fbe 2814 else
e503e066 2815 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
da3e4fbe
MC
2816 } else
2817 is_set = 0;
2818
2819 return is_set;
2820}
2821
2822static void
35efa7c1 2823bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
da3e4fbe 2824{
74ecc62d
MC
2825 spin_lock(&bp->phy_lock);
2826
2827 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
b6016b76 2828 bnx2_set_link(bp);
35efa7c1 2829 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
0d8a6571
MC
2830 bnx2_set_remote_link(bp);
2831
74ecc62d
MC
2832 spin_unlock(&bp->phy_lock);
2833
b6016b76
MC
2834}
2835
ead7270b 2836static inline u16
35efa7c1 2837bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
ead7270b
MC
2838{
2839 u16 cons;
2840
43e80b89
MC
2841 /* Tell compiler that status block fields can change. */
2842 barrier();
2843 cons = *bnapi->hw_tx_cons_ptr;
581daf7e 2844 barrier();
2bc4078e 2845 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
ead7270b
MC
2846 cons++;
2847 return cons;
2848}
2849
57851d84
MC
2850static int
2851bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 2852{
35e9010b 2853 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
b6016b76 2854 u16 hw_cons, sw_cons, sw_ring_cons;
706bf240 2855 int tx_pkt = 0, index;
e9831909 2856 unsigned int tx_bytes = 0;
706bf240
BL
2857 struct netdev_queue *txq;
2858
2859 index = (bnapi - bp->bnx2_napi);
2860 txq = netdev_get_tx_queue(bp->dev, index);
b6016b76 2861
35efa7c1 2862 hw_cons = bnx2_get_hw_tx_cons(bnapi);
35e9010b 2863 sw_cons = txr->tx_cons;
b6016b76
MC
2864
2865 while (sw_cons != hw_cons) {
2bc4078e 2866 struct bnx2_sw_tx_bd *tx_buf;
b6016b76
MC
2867 struct sk_buff *skb;
2868 int i, last;
2869
2bc4078e 2870 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
b6016b76 2871
35e9010b 2872 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
b6016b76 2873 skb = tx_buf->skb;
1d39ed56 2874
d62fda08
ED
2875 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2876 prefetch(&skb->end);
2877
b6016b76 2878 /* partial BD completions possible with TSO packets */
d62fda08 2879 if (tx_buf->is_gso) {
b6016b76
MC
2880 u16 last_idx, last_ring_idx;
2881
d62fda08
ED
2882 last_idx = sw_cons + tx_buf->nr_frags + 1;
2883 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2bc4078e 2884 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
b6016b76
MC
2885 last_idx++;
2886 }
2887 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2888 break;
2889 }
2890 }
1d39ed56 2891
36227e88 2892 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7 2893 skb_headlen(skb), PCI_DMA_TODEVICE);
b6016b76
MC
2894
2895 tx_buf->skb = NULL;
d62fda08 2896 last = tx_buf->nr_frags;
b6016b76
MC
2897
2898 for (i = 0; i < last; i++) {
2bc4078e 2899 struct bnx2_sw_tx_bd *tx_buf;
e95524a7 2900
2bc4078e
MC
2901 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
2902
2903 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
36227e88 2904 dma_unmap_page(&bp->pdev->dev,
2bc4078e 2905 dma_unmap_addr(tx_buf, mapping),
9e903e08 2906 skb_frag_size(&skb_shinfo(skb)->frags[i]),
e95524a7 2907 PCI_DMA_TODEVICE);
b6016b76
MC
2908 }
2909
2bc4078e 2910 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
b6016b76 2911
e9831909 2912 tx_bytes += skb->len;
f458b2ee 2913 dev_kfree_skb_any(skb);
57851d84
MC
2914 tx_pkt++;
2915 if (tx_pkt == budget)
2916 break;
b6016b76 2917
d62fda08
ED
2918 if (hw_cons == sw_cons)
2919 hw_cons = bnx2_get_hw_tx_cons(bnapi);
b6016b76
MC
2920 }
2921
e9831909 2922 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
35e9010b
MC
2923 txr->hw_tx_cons = hw_cons;
2924 txr->tx_cons = sw_cons;
706bf240 2925
2f8af120 2926 /* Need to make the tx_cons update visible to bnx2_start_xmit()
706bf240 2927 * before checking for netif_tx_queue_stopped(). Without the
2f8af120
MC
2928 * memory barrier, there is a small possibility that bnx2_start_xmit()
2929 * will miss it and cause the queue to be stopped forever.
2930 */
2931 smp_mb();
b6016b76 2932
706bf240 2933 if (unlikely(netif_tx_queue_stopped(txq)) &&
35e9010b 2934 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
706bf240
BL
2935 __netif_tx_lock(txq, smp_processor_id());
2936 if ((netif_tx_queue_stopped(txq)) &&
35e9010b 2937 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
706bf240
BL
2938 netif_tx_wake_queue(txq);
2939 __netif_tx_unlock(txq);
b6016b76 2940 }
706bf240 2941
57851d84 2942 return tx_pkt;
b6016b76
MC
2943}
2944
1db82f2a 2945static void
bb4f98ab 2946bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
a1f60190 2947 struct sk_buff *skb, int count)
1db82f2a 2948{
2bc4078e
MC
2949 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
2950 struct bnx2_rx_bd *cons_bd, *prod_bd;
1db82f2a 2951 int i;
3d16af86 2952 u16 hw_prod, prod;
bb4f98ab 2953 u16 cons = rxr->rx_pg_cons;
1db82f2a 2954
3d16af86
BL
2955 cons_rx_pg = &rxr->rx_pg_ring[cons];
2956
2957 /* The caller was unable to allocate a new page to replace the
2958 * last one in the frags array, so we need to recycle that page
2959 * and then free the skb.
2960 */
2961 if (skb) {
2962 struct page *page;
2963 struct skb_shared_info *shinfo;
2964
2965 shinfo = skb_shinfo(skb);
2966 shinfo->nr_frags--;
b7b6a688
IC
2967 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2968 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
3d16af86
BL
2969
2970 cons_rx_pg->page = page;
2971 dev_kfree_skb(skb);
2972 }
2973
2974 hw_prod = rxr->rx_pg_prod;
2975
1db82f2a 2976 for (i = 0; i < count; i++) {
2bc4078e 2977 prod = BNX2_RX_PG_RING_IDX(hw_prod);
1db82f2a 2978
bb4f98ab
MC
2979 prod_rx_pg = &rxr->rx_pg_ring[prod];
2980 cons_rx_pg = &rxr->rx_pg_ring[cons];
2bc4078e
MC
2981 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
2982 [BNX2_RX_IDX(cons)];
2983 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
2984 [BNX2_RX_IDX(prod)];
1db82f2a 2985
1db82f2a
MC
2986 if (prod != cons) {
2987 prod_rx_pg->page = cons_rx_pg->page;
2988 cons_rx_pg->page = NULL;
1a4ccc2d
FT
2989 dma_unmap_addr_set(prod_rx_pg, mapping,
2990 dma_unmap_addr(cons_rx_pg, mapping));
1db82f2a
MC
2991
2992 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2993 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2994
2995 }
2bc4078e
MC
2996 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
2997 hw_prod = BNX2_NEXT_RX_BD(hw_prod);
1db82f2a 2998 }
bb4f98ab
MC
2999 rxr->rx_pg_prod = hw_prod;
3000 rxr->rx_pg_cons = cons;
1db82f2a
MC
3001}
3002
b6016b76 3003static inline void
dd2bc8e9
ED
3004bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
3005 u8 *data, u16 cons, u16 prod)
b6016b76 3006{
2bc4078e
MC
3007 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
3008 struct bnx2_rx_bd *cons_bd, *prod_bd;
236b6394 3009
bb4f98ab
MC
3010 cons_rx_buf = &rxr->rx_buf_ring[cons];
3011 prod_rx_buf = &rxr->rx_buf_ring[prod];
b6016b76 3012
36227e88 3013 dma_sync_single_for_device(&bp->pdev->dev,
1a4ccc2d 3014 dma_unmap_addr(cons_rx_buf, mapping),
601d3d18 3015 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
b6016b76 3016
bb4f98ab 3017 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76 3018
dd2bc8e9 3019 prod_rx_buf->data = data;
b6016b76 3020
236b6394
MC
3021 if (cons == prod)
3022 return;
b6016b76 3023
1a4ccc2d
FT
3024 dma_unmap_addr_set(prod_rx_buf, mapping,
3025 dma_unmap_addr(cons_rx_buf, mapping));
236b6394 3026
2bc4078e
MC
3027 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
3028 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
236b6394
MC
3029 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
3030 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
b6016b76
MC
3031}
3032
dd2bc8e9
ED
3033static struct sk_buff *
3034bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
a1f60190
MC
3035 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
3036 u32 ring_idx)
85833c62
MC
3037{
3038 int err;
3039 u16 prod = ring_idx & 0xffff;
dd2bc8e9 3040 struct sk_buff *skb;
85833c62 3041
dd2bc8e9 3042 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
85833c62 3043 if (unlikely(err)) {
dd2bc8e9
ED
3044 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
3045error:
1db82f2a
MC
3046 if (hdr_len) {
3047 unsigned int raw_len = len + 4;
3048 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3049
bb4f98ab 3050 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
1db82f2a 3051 }
dd2bc8e9 3052 return NULL;
85833c62
MC
3053 }
3054
36227e88 3055 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
85833c62 3056 PCI_DMA_FROMDEVICE);
d3836f21 3057 skb = build_skb(data, 0);
dd2bc8e9
ED
3058 if (!skb) {
3059 kfree(data);
3060 goto error;
3061 }
3062 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
1db82f2a
MC
3063 if (hdr_len == 0) {
3064 skb_put(skb, len);
dd2bc8e9 3065 return skb;
1db82f2a
MC
3066 } else {
3067 unsigned int i, frag_len, frag_size, pages;
2bc4078e 3068 struct bnx2_sw_pg *rx_pg;
bb4f98ab
MC
3069 u16 pg_cons = rxr->rx_pg_cons;
3070 u16 pg_prod = rxr->rx_pg_prod;
1db82f2a
MC
3071
3072 frag_size = len + 4 - hdr_len;
3073 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3074 skb_put(skb, hdr_len);
3075
3076 for (i = 0; i < pages; i++) {
3d16af86
BL
3077 dma_addr_t mapping_old;
3078
1db82f2a
MC
3079 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3080 if (unlikely(frag_len <= 4)) {
3081 unsigned int tail = 4 - frag_len;
3082
bb4f98ab
MC
3083 rxr->rx_pg_cons = pg_cons;
3084 rxr->rx_pg_prod = pg_prod;
3085 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
a1f60190 3086 pages - i);
1db82f2a
MC
3087 skb->len -= tail;
3088 if (i == 0) {
3089 skb->tail -= tail;
3090 } else {
3091 skb_frag_t *frag =
3092 &skb_shinfo(skb)->frags[i - 1];
9e903e08 3093 skb_frag_size_sub(frag, tail);
1db82f2a 3094 skb->data_len -= tail;
1db82f2a 3095 }
dd2bc8e9 3096 return skb;
1db82f2a 3097 }
bb4f98ab 3098 rx_pg = &rxr->rx_pg_ring[pg_cons];
1db82f2a 3099
3d16af86
BL
3100 /* Don't unmap yet. If we're unable to allocate a new
3101 * page, we need to recycle the page and the DMA addr.
3102 */
1a4ccc2d 3103 mapping_old = dma_unmap_addr(rx_pg, mapping);
1db82f2a
MC
3104 if (i == pages - 1)
3105 frag_len -= 4;
3106
3107 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3108 rx_pg->page = NULL;
3109
bb4f98ab 3110 err = bnx2_alloc_rx_page(bp, rxr,
2bc4078e 3111 BNX2_RX_PG_RING_IDX(pg_prod),
a2df00aa 3112 GFP_ATOMIC);
1db82f2a 3113 if (unlikely(err)) {
bb4f98ab
MC
3114 rxr->rx_pg_cons = pg_cons;
3115 rxr->rx_pg_prod = pg_prod;
3116 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
a1f60190 3117 pages - i);
dd2bc8e9 3118 return NULL;
1db82f2a
MC
3119 }
3120
36227e88 3121 dma_unmap_page(&bp->pdev->dev, mapping_old,
3d16af86
BL
3122 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3123
1db82f2a
MC
3124 frag_size -= frag_len;
3125 skb->data_len += frag_len;
a1f4e8bc 3126 skb->truesize += PAGE_SIZE;
1db82f2a
MC
3127 skb->len += frag_len;
3128
2bc4078e
MC
3129 pg_prod = BNX2_NEXT_RX_BD(pg_prod);
3130 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
1db82f2a 3131 }
bb4f98ab
MC
3132 rxr->rx_pg_prod = pg_prod;
3133 rxr->rx_pg_cons = pg_cons;
1db82f2a 3134 }
dd2bc8e9 3135 return skb;
85833c62
MC
3136}
3137
c09c2627 3138static inline u16
35efa7c1 3139bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
c09c2627 3140{
bb4f98ab
MC
3141 u16 cons;
3142
43e80b89
MC
3143 /* Tell compiler that status block fields can change. */
3144 barrier();
3145 cons = *bnapi->hw_rx_cons_ptr;
581daf7e 3146 barrier();
2bc4078e 3147 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
c09c2627
MC
3148 cons++;
3149 return cons;
3150}
3151
b6016b76 3152static int
35efa7c1 3153bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 3154{
bb4f98ab 3155 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76
MC
3156 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3157 struct l2_fhdr *rx_hdr;
1db82f2a 3158 int rx_pkt = 0, pg_ring_used = 0;
b6016b76 3159
310c4d4e
EB
3160 if (budget <= 0)
3161 return rx_pkt;
3162
35efa7c1 3163 hw_cons = bnx2_get_hw_rx_cons(bnapi);
bb4f98ab
MC
3164 sw_cons = rxr->rx_cons;
3165 sw_prod = rxr->rx_prod;
b6016b76
MC
3166
3167 /* Memory barrier necessary as speculative reads of the rx
3168 * buffer can be ahead of the index in the status block
3169 */
3170 rmb();
3171 while (sw_cons != hw_cons) {
1db82f2a 3172 unsigned int len, hdr_len;
ade2bfe7 3173 u32 status;
2bc4078e 3174 struct bnx2_sw_bd *rx_buf, *next_rx_buf;
b6016b76 3175 struct sk_buff *skb;
236b6394 3176 dma_addr_t dma_addr;
dd2bc8e9 3177 u8 *data;
2bc4078e 3178 u16 next_ring_idx;
b6016b76 3179
2bc4078e
MC
3180 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
3181 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
b6016b76 3182
bb4f98ab 3183 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
dd2bc8e9
ED
3184 data = rx_buf->data;
3185 rx_buf->data = NULL;
aabef8b2 3186
dd2bc8e9
ED
3187 rx_hdr = get_l2_fhdr(data);
3188 prefetch(rx_hdr);
236b6394 3189
1a4ccc2d 3190 dma_addr = dma_unmap_addr(rx_buf, mapping);
236b6394 3191
36227e88 3192 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
601d3d18
BL
3193 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3194 PCI_DMA_FROMDEVICE);
b6016b76 3195
2bc4078e
MC
3196 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
3197 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
dd2bc8e9
ED
3198 prefetch(get_l2_fhdr(next_rx_buf->data));
3199
1db82f2a 3200 len = rx_hdr->l2_fhdr_pkt_len;
990ec380 3201 status = rx_hdr->l2_fhdr_status;
b6016b76 3202
1db82f2a
MC
3203 hdr_len = 0;
3204 if (status & L2_FHDR_STATUS_SPLIT) {
3205 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3206 pg_ring_used = 1;
3207 } else if (len > bp->rx_jumbo_thresh) {
3208 hdr_len = bp->rx_jumbo_thresh;
3209 pg_ring_used = 1;
3210 }
3211
990ec380
MC
3212 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3213 L2_FHDR_ERRORS_PHY_DECODE |
3214 L2_FHDR_ERRORS_ALIGNMENT |
3215 L2_FHDR_ERRORS_TOO_SHORT |
3216 L2_FHDR_ERRORS_GIANT_FRAME))) {
3217
dd2bc8e9 3218 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
990ec380
MC
3219 sw_ring_prod);
3220 if (pg_ring_used) {
3221 int pages;
3222
3223 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3224
3225 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3226 }
3227 goto next_rx;
3228 }
3229
1db82f2a 3230 len -= 4;
b6016b76 3231
5d5d0015 3232 if (len <= bp->rx_copy_thresh) {
dd2bc8e9
ED
3233 skb = netdev_alloc_skb(bp->dev, len + 6);
3234 if (skb == NULL) {
3235 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
85833c62
MC
3236 sw_ring_prod);
3237 goto next_rx;
3238 }
b6016b76
MC
3239
3240 /* aligned copy */
dd2bc8e9
ED
3241 memcpy(skb->data,
3242 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3243 len + 6);
3244 skb_reserve(skb, 6);
3245 skb_put(skb, len);
b6016b76 3246
dd2bc8e9 3247 bnx2_reuse_rx_data(bp, rxr, data,
b6016b76
MC
3248 sw_ring_cons, sw_ring_prod);
3249
dd2bc8e9
ED
3250 } else {
3251 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3252 (sw_ring_cons << 16) | sw_ring_prod);
3253 if (!skb)
3254 goto next_rx;
3255 }
f22828e8 3256 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
7d0fd211 3257 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
86a9bad3 3258 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
f22828e8 3259
b6016b76
MC
3260 skb->protocol = eth_type_trans(skb, bp->dev);
3261
1b0ecb28
VY
3262 if (len > (bp->dev->mtu + ETH_HLEN) &&
3263 skb->protocol != htons(0x8100) &&
3264 skb->protocol != htons(ETH_P_8021AD)) {
b6016b76 3265
745720e5 3266 dev_kfree_skb(skb);
b6016b76
MC
3267 goto next_rx;
3268
3269 }
3270
bc8acf2c 3271 skb_checksum_none_assert(skb);
8d7dfc2b 3272 if ((bp->dev->features & NETIF_F_RXCSUM) &&
b6016b76
MC
3273 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3274 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3275
ade2bfe7
MC
3276 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3277 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
b6016b76
MC
3278 skb->ip_summed = CHECKSUM_UNNECESSARY;
3279 }
fdc8541d
MC
3280 if ((bp->dev->features & NETIF_F_RXHASH) &&
3281 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3282 L2_FHDR_STATUS_USE_RXHASH))
cf1bfd6a
TH
3283 skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
3284 PKT_HASH_TYPE_L3);
b6016b76 3285
0c8dfc83 3286 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
7d0fd211 3287 napi_gro_receive(&bnapi->napi, skb);
b6016b76
MC
3288 rx_pkt++;
3289
3290next_rx:
2bc4078e
MC
3291 sw_cons = BNX2_NEXT_RX_BD(sw_cons);
3292 sw_prod = BNX2_NEXT_RX_BD(sw_prod);
b6016b76
MC
3293
3294 if ((rx_pkt == budget))
3295 break;
f4e418f7
MC
3296
3297 /* Refresh hw_cons to see if there is new work */
3298 if (sw_cons == hw_cons) {
35efa7c1 3299 hw_cons = bnx2_get_hw_rx_cons(bnapi);
f4e418f7
MC
3300 rmb();
3301 }
b6016b76 3302 }
bb4f98ab
MC
3303 rxr->rx_cons = sw_cons;
3304 rxr->rx_prod = sw_prod;
b6016b76 3305
1db82f2a 3306 if (pg_ring_used)
e503e066 3307 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
1db82f2a 3308
e503e066 3309 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
b6016b76 3310
e503e066 3311 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC
3312
3313 mmiowb();
3314
3315 return rx_pkt;
3316
3317}
3318
3319/* MSI ISR - The only difference between this and the INTx ISR
3320 * is that the MSI interrupt is always serviced.
3321 */
3322static irqreturn_t
7d12e780 3323bnx2_msi(int irq, void *dev_instance)
b6016b76 3324{
f0ea2e63
MC
3325 struct bnx2_napi *bnapi = dev_instance;
3326 struct bnx2 *bp = bnapi->bp;
b6016b76 3327
43e80b89 3328 prefetch(bnapi->status_blk.msi);
e503e066 3329 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
b6016b76
MC
3330 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3331 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3332
3333 /* Return here if interrupt is disabled. */
73eef4cd
MC
3334 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3335 return IRQ_HANDLED;
b6016b76 3336
288379f0 3337 napi_schedule(&bnapi->napi);
b6016b76 3338
73eef4cd 3339 return IRQ_HANDLED;
b6016b76
MC
3340}
3341
8e6a72c4
MC
3342static irqreturn_t
3343bnx2_msi_1shot(int irq, void *dev_instance)
3344{
f0ea2e63
MC
3345 struct bnx2_napi *bnapi = dev_instance;
3346 struct bnx2 *bp = bnapi->bp;
8e6a72c4 3347
43e80b89 3348 prefetch(bnapi->status_blk.msi);
8e6a72c4
MC
3349
3350 /* Return here if interrupt is disabled. */
3351 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3352 return IRQ_HANDLED;
3353
288379f0 3354 napi_schedule(&bnapi->napi);
8e6a72c4
MC
3355
3356 return IRQ_HANDLED;
3357}
3358
b6016b76 3359static irqreturn_t
7d12e780 3360bnx2_interrupt(int irq, void *dev_instance)
b6016b76 3361{
f0ea2e63
MC
3362 struct bnx2_napi *bnapi = dev_instance;
3363 struct bnx2 *bp = bnapi->bp;
43e80b89 3364 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76
MC
3365
3366 /* When using INTx, it is possible for the interrupt to arrive
3367 * at the CPU before the status block posted prior to the
3368 * interrupt. Reading a register will flush the status block.
3369 * When using MSI, the MSI message will always complete after
3370 * the status block write.
3371 */
35efa7c1 3372 if ((sblk->status_idx == bnapi->last_status_idx) &&
e503e066 3373 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
b6016b76 3374 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
73eef4cd 3375 return IRQ_NONE;
b6016b76 3376
e503e066 3377 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
b6016b76
MC
3378 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3379 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3380
b8a7ce7b
MC
3381 /* Read back to deassert IRQ immediately to avoid too many
3382 * spurious interrupts.
3383 */
e503e066 3384 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
b8a7ce7b 3385
b6016b76 3386 /* Return here if interrupt is shared and is disabled. */
73eef4cd
MC
3387 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3388 return IRQ_HANDLED;
b6016b76 3389
288379f0 3390 if (napi_schedule_prep(&bnapi->napi)) {
35efa7c1 3391 bnapi->last_status_idx = sblk->status_idx;
288379f0 3392 __napi_schedule(&bnapi->napi);
b8a7ce7b 3393 }
b6016b76 3394
73eef4cd 3395 return IRQ_HANDLED;
b6016b76
MC
3396}
3397
f4e418f7 3398static inline int
43e80b89 3399bnx2_has_fast_work(struct bnx2_napi *bnapi)
f4e418f7 3400{
35e9010b 3401 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 3402 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
f4e418f7 3403
bb4f98ab 3404 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
35e9010b 3405 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
f4e418f7 3406 return 1;
43e80b89
MC
3407 return 0;
3408}
3409
3410#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3411 STATUS_ATTN_BITS_TIMER_ABORT)
3412
3413static inline int
3414bnx2_has_work(struct bnx2_napi *bnapi)
3415{
3416 struct status_block *sblk = bnapi->status_blk.msi;
3417
3418 if (bnx2_has_fast_work(bnapi))
3419 return 1;
f4e418f7 3420
4edd473f
MC
3421#ifdef BCM_CNIC
3422 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3423 return 1;
3424#endif
3425
da3e4fbe
MC
3426 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3427 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
f4e418f7
MC
3428 return 1;
3429
3430 return 0;
3431}
3432
efba0180
MC
3433static void
3434bnx2_chk_missed_msi(struct bnx2 *bp)
3435{
3436 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3437 u32 msi_ctrl;
3438
3439 if (bnx2_has_work(bnapi)) {
e503e066 3440 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
efba0180
MC
3441 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3442 return;
3443
3444 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
e503e066
MC
3445 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3446 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3447 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
efba0180
MC
3448 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3449 }
3450 }
3451
3452 bp->idle_chk_status_idx = bnapi->last_status_idx;
3453}
3454
4edd473f
MC
3455#ifdef BCM_CNIC
3456static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3457{
3458 struct cnic_ops *c_ops;
3459
3460 if (!bnapi->cnic_present)
3461 return;
3462
3463 rcu_read_lock();
3464 c_ops = rcu_dereference(bp->cnic_ops);
3465 if (c_ops)
3466 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3467 bnapi->status_blk.msi);
3468 rcu_read_unlock();
3469}
3470#endif
3471
43e80b89 3472static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
b6016b76 3473{
43e80b89 3474 struct status_block *sblk = bnapi->status_blk.msi;
da3e4fbe
MC
3475 u32 status_attn_bits = sblk->status_attn_bits;
3476 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
b6016b76 3477
da3e4fbe
MC
3478 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3479 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
b6016b76 3480
35efa7c1 3481 bnx2_phy_int(bp, bnapi);
bf5295bb
MC
3482
3483 /* This is needed to take care of transient status
3484 * during link changes.
3485 */
e503e066
MC
3486 BNX2_WR(bp, BNX2_HC_COMMAND,
3487 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3488 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76 3489 }
43e80b89
MC
3490}
3491
3492static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3493 int work_done, int budget)
3494{
3495 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3496 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76 3497
35e9010b 3498 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
57851d84 3499 bnx2_tx_int(bp, bnapi, 0);
b6016b76 3500
bb4f98ab 3501 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
35efa7c1 3502 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
6aa20a22 3503
6f535763
DM
3504 return work_done;
3505}
3506
f0ea2e63
MC
3507static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3508{
3509 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3510 struct bnx2 *bp = bnapi->bp;
3511 int work_done = 0;
3512 struct status_block_msix *sblk = bnapi->status_blk.msix;
3513
3514 while (1) {
3515 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3516 if (unlikely(work_done >= budget))
3517 break;
3518
3519 bnapi->last_status_idx = sblk->status_idx;
3520 /* status idx must be read before checking for more work. */
3521 rmb();
3522 if (likely(!bnx2_has_fast_work(bnapi))) {
3523
288379f0 3524 napi_complete(napi);
e503e066
MC
3525 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3526 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3527 bnapi->last_status_idx);
f0ea2e63
MC
3528 break;
3529 }
3530 }
3531 return work_done;
3532}
3533
6f535763
DM
3534static int bnx2_poll(struct napi_struct *napi, int budget)
3535{
35efa7c1
MC
3536 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3537 struct bnx2 *bp = bnapi->bp;
6f535763 3538 int work_done = 0;
43e80b89 3539 struct status_block *sblk = bnapi->status_blk.msi;
6f535763
DM
3540
3541 while (1) {
43e80b89
MC
3542 bnx2_poll_link(bp, bnapi);
3543
35efa7c1 3544 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
f4e418f7 3545
4edd473f
MC
3546#ifdef BCM_CNIC
3547 bnx2_poll_cnic(bp, bnapi);
3548#endif
3549
35efa7c1 3550 /* bnapi->last_status_idx is used below to tell the hw how
6dee6421
MC
3551 * much work has been processed, so we must read it before
3552 * checking for more work.
3553 */
35efa7c1 3554 bnapi->last_status_idx = sblk->status_idx;
efba0180
MC
3555
3556 if (unlikely(work_done >= budget))
3557 break;
3558
6dee6421 3559 rmb();
35efa7c1 3560 if (likely(!bnx2_has_work(bnapi))) {
288379f0 3561 napi_complete(napi);
f86e82fb 3562 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
e503e066
MC
3563 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3564 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3565 bnapi->last_status_idx);
6dee6421 3566 break;
6f535763 3567 }
e503e066
MC
3568 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3569 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3570 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3571 bnapi->last_status_idx);
3572
3573 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3574 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3575 bnapi->last_status_idx);
6f535763
DM
3576 break;
3577 }
b6016b76
MC
3578 }
3579
bea3348e 3580 return work_done;
b6016b76
MC
3581}
3582
932ff279 3583/* Called with rtnl_lock from vlan functions and also netif_tx_lock
b6016b76
MC
3584 * from set_multicast.
3585 */
3586static void
3587bnx2_set_rx_mode(struct net_device *dev)
3588{
972ec0d4 3589 struct bnx2 *bp = netdev_priv(dev);
b6016b76 3590 u32 rx_mode, sort_mode;
ccffad25 3591 struct netdev_hw_addr *ha;
b6016b76 3592 int i;
b6016b76 3593
9f52b564
MC
3594 if (!netif_running(dev))
3595 return;
3596
c770a65c 3597 spin_lock_bh(&bp->phy_lock);
b6016b76
MC
3598
3599 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3600 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3601 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
f646968f 3602 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
7d0fd211 3603 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
b6016b76 3604 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76
MC
3605 if (dev->flags & IFF_PROMISC) {
3606 /* Promiscuous mode. */
3607 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
7510873d
MC
3608 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3609 BNX2_RPM_SORT_USER0_PROM_VLAN;
b6016b76
MC
3610 }
3611 else if (dev->flags & IFF_ALLMULTI) {
3612 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
e503e066
MC
3613 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3614 0xffffffff);
b6016b76
MC
3615 }
3616 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3617 }
3618 else {
3619 /* Accept one or more multicast(s). */
b6016b76
MC
3620 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3621 u32 regidx;
3622 u32 bit;
3623 u32 crc;
3624
3625 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3626
22bedad3
JP
3627 netdev_for_each_mc_addr(ha, dev) {
3628 crc = ether_crc_le(ETH_ALEN, ha->addr);
b6016b76
MC
3629 bit = crc & 0xff;
3630 regidx = (bit & 0xe0) >> 5;
3631 bit &= 0x1f;
3632 mc_filter[regidx] |= (1 << bit);
3633 }
3634
3635 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
e503e066
MC
3636 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3637 mc_filter[i]);
b6016b76
MC
3638 }
3639
3640 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3641 }
3642
32e7bfc4 3643 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
5fcaed01
BL
3644 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3645 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3646 BNX2_RPM_SORT_USER0_PROM_VLAN;
3647 } else if (!(dev->flags & IFF_PROMISC)) {
5fcaed01 3648 /* Add all entries into to the match filter list */
ccffad25 3649 i = 0;
32e7bfc4 3650 netdev_for_each_uc_addr(ha, dev) {
ccffad25 3651 bnx2_set_mac_addr(bp, ha->addr,
5fcaed01
BL
3652 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3653 sort_mode |= (1 <<
3654 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
ccffad25 3655 i++;
5fcaed01
BL
3656 }
3657
3658 }
3659
b6016b76
MC
3660 if (rx_mode != bp->rx_mode) {
3661 bp->rx_mode = rx_mode;
e503e066 3662 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
b6016b76
MC
3663 }
3664
e503e066
MC
3665 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3666 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3667 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
b6016b76 3668
c770a65c 3669 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
3670}
3671
7880b72e 3672static int
57579f76
MC
3673check_fw_section(const struct firmware *fw,
3674 const struct bnx2_fw_file_section *section,
3675 u32 alignment, bool non_empty)
3676{
3677 u32 offset = be32_to_cpu(section->offset);
3678 u32 len = be32_to_cpu(section->len);
3679
3680 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3681 return -EINVAL;
3682 if ((non_empty && len == 0) || len > fw->size - offset ||
3683 len & (alignment - 1))
3684 return -EINVAL;
3685 return 0;
3686}
3687
7880b72e 3688static int
57579f76
MC
3689check_mips_fw_entry(const struct firmware *fw,
3690 const struct bnx2_mips_fw_file_entry *entry)
3691{
3692 if (check_fw_section(fw, &entry->text, 4, true) ||
3693 check_fw_section(fw, &entry->data, 4, false) ||
3694 check_fw_section(fw, &entry->rodata, 4, false))
3695 return -EINVAL;
3696 return 0;
3697}
3698
7880b72e 3699static void bnx2_release_firmware(struct bnx2 *bp)
3700{
3701 if (bp->rv2p_firmware) {
3702 release_firmware(bp->mips_firmware);
3703 release_firmware(bp->rv2p_firmware);
3704 bp->rv2p_firmware = NULL;
3705 }
3706}
3707
3708static int bnx2_request_uncached_firmware(struct bnx2 *bp)
b6016b76 3709{
57579f76 3710 const char *mips_fw_file, *rv2p_fw_file;
5ee1c326
BB
3711 const struct bnx2_mips_fw_file *mips_fw;
3712 const struct bnx2_rv2p_fw_file *rv2p_fw;
57579f76
MC
3713 int rc;
3714
4ce45e02 3715 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
57579f76 3716 mips_fw_file = FW_MIPS_FILE_09;
4ce45e02
MC
3717 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
3718 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
078b0735
MC
3719 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3720 else
3721 rv2p_fw_file = FW_RV2P_FILE_09;
57579f76
MC
3722 } else {
3723 mips_fw_file = FW_MIPS_FILE_06;
3724 rv2p_fw_file = FW_RV2P_FILE_06;
3725 }
3726
3727 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3728 if (rc) {
3a9c6a49 3729 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
7880b72e 3730 goto out;
57579f76
MC
3731 }
3732
3733 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3734 if (rc) {
3a9c6a49 3735 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
7880b72e 3736 goto err_release_mips_firmware;
57579f76 3737 }
5ee1c326
BB
3738 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3739 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3740 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3741 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3742 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3743 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3744 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3745 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3a9c6a49 3746 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
7880b72e 3747 rc = -EINVAL;
3748 goto err_release_firmware;
57579f76 3749 }
5ee1c326
BB
3750 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3751 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3752 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3a9c6a49 3753 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
7880b72e 3754 rc = -EINVAL;
3755 goto err_release_firmware;
57579f76 3756 }
7880b72e 3757out:
3758 return rc;
57579f76 3759
7880b72e 3760err_release_firmware:
3761 release_firmware(bp->rv2p_firmware);
3762 bp->rv2p_firmware = NULL;
3763err_release_mips_firmware:
3764 release_firmware(bp->mips_firmware);
3765 goto out;
3766}
3767
3768static int bnx2_request_firmware(struct bnx2 *bp)
3769{
3770 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
57579f76
MC
3771}
3772
3773static u32
3774rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3775{
3776 switch (idx) {
3777 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3778 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3779 rv2p_code |= RV2P_BD_PAGE_SIZE;
3780 break;
3781 }
3782 return rv2p_code;
3783}
3784
3785static int
3786load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3787 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3788{
3789 u32 rv2p_code_len, file_offset;
3790 __be32 *rv2p_code;
b6016b76 3791 int i;
57579f76
MC
3792 u32 val, cmd, addr;
3793
3794 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3795 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3796
3797 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
b6016b76 3798
57579f76
MC
3799 if (rv2p_proc == RV2P_PROC1) {
3800 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3801 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3802 } else {
3803 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3804 addr = BNX2_RV2P_PROC2_ADDR_CMD;
d25be1d3 3805 }
b6016b76
MC
3806
3807 for (i = 0; i < rv2p_code_len; i += 8) {
e503e066 3808 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
b6016b76 3809 rv2p_code++;
e503e066 3810 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
b6016b76
MC
3811 rv2p_code++;
3812
57579f76 3813 val = (i / 8) | cmd;
e503e066 3814 BNX2_WR(bp, addr, val);
57579f76
MC
3815 }
3816
3817 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3818 for (i = 0; i < 8; i++) {
3819 u32 loc, code;
3820
3821 loc = be32_to_cpu(fw_entry->fixup[i]);
3822 if (loc && ((loc * 4) < rv2p_code_len)) {
3823 code = be32_to_cpu(*(rv2p_code + loc - 1));
e503e066 3824 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
57579f76
MC
3825 code = be32_to_cpu(*(rv2p_code + loc));
3826 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
e503e066 3827 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
57579f76
MC
3828
3829 val = (loc / 2) | cmd;
e503e066 3830 BNX2_WR(bp, addr, val);
b6016b76
MC
3831 }
3832 }
3833
3834 /* Reset the processor, un-stall is done later. */
3835 if (rv2p_proc == RV2P_PROC1) {
e503e066 3836 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
b6016b76
MC
3837 }
3838 else {
e503e066 3839 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
b6016b76 3840 }
57579f76
MC
3841
3842 return 0;
b6016b76
MC
3843}
3844
af3ee519 3845static int
57579f76
MC
3846load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3847 const struct bnx2_mips_fw_file_entry *fw_entry)
b6016b76 3848{
57579f76
MC
3849 u32 addr, len, file_offset;
3850 __be32 *data;
b6016b76
MC
3851 u32 offset;
3852 u32 val;
3853
3854 /* Halt the CPU. */
2726d6e1 3855 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3856 val |= cpu_reg->mode_value_halt;
2726d6e1
MC
3857 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3858 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
b6016b76
MC
3859
3860 /* Load the Text area. */
57579f76
MC
3861 addr = be32_to_cpu(fw_entry->text.addr);
3862 len = be32_to_cpu(fw_entry->text.len);
3863 file_offset = be32_to_cpu(fw_entry->text.offset);
3864 data = (__be32 *)(bp->mips_firmware->data + file_offset);
ea1f8d5c 3865
57579f76
MC
3866 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3867 if (len) {
b6016b76
MC
3868 int j;
3869
57579f76
MC
3870 for (j = 0; j < (len / 4); j++, offset += 4)
3871 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3872 }
3873
57579f76
MC
3874 /* Load the Data area. */
3875 addr = be32_to_cpu(fw_entry->data.addr);
3876 len = be32_to_cpu(fw_entry->data.len);
3877 file_offset = be32_to_cpu(fw_entry->data.offset);
3878 data = (__be32 *)(bp->mips_firmware->data + file_offset);
b6016b76 3879
57579f76
MC
3880 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3881 if (len) {
b6016b76
MC
3882 int j;
3883
57579f76
MC
3884 for (j = 0; j < (len / 4); j++, offset += 4)
3885 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3886 }
3887
3888 /* Load the Read-Only area. */
57579f76
MC
3889 addr = be32_to_cpu(fw_entry->rodata.addr);
3890 len = be32_to_cpu(fw_entry->rodata.len);
3891 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3892 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3893
3894 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3895 if (len) {
b6016b76
MC
3896 int j;
3897
57579f76
MC
3898 for (j = 0; j < (len / 4); j++, offset += 4)
3899 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC
3900 }
3901
3902 /* Clear the pre-fetch instruction. */
2726d6e1 3903 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
57579f76
MC
3904
3905 val = be32_to_cpu(fw_entry->start_addr);
3906 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
b6016b76
MC
3907
3908 /* Start the CPU. */
2726d6e1 3909 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3910 val &= ~cpu_reg->mode_value_halt;
2726d6e1
MC
3911 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3912 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
af3ee519
MC
3913
3914 return 0;
b6016b76
MC
3915}
3916
fba9fe91 3917static int
b6016b76
MC
3918bnx2_init_cpus(struct bnx2 *bp)
3919{
57579f76
MC
3920 const struct bnx2_mips_fw_file *mips_fw =
3921 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3922 const struct bnx2_rv2p_fw_file *rv2p_fw =
3923 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3924 int rc;
b6016b76
MC
3925
3926 /* Initialize the RV2P processor. */
57579f76
MC
3927 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3928 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
b6016b76
MC
3929
3930 /* Initialize the RX Processor. */
57579f76 3931 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
fba9fe91
MC
3932 if (rc)
3933 goto init_cpu_err;
3934
b6016b76 3935 /* Initialize the TX Processor. */
57579f76 3936 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
fba9fe91
MC
3937 if (rc)
3938 goto init_cpu_err;
3939
b6016b76 3940 /* Initialize the TX Patch-up Processor. */
57579f76 3941 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
fba9fe91
MC
3942 if (rc)
3943 goto init_cpu_err;
3944
b6016b76 3945 /* Initialize the Completion Processor. */
57579f76 3946 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
fba9fe91
MC
3947 if (rc)
3948 goto init_cpu_err;
3949
d43584c8 3950 /* Initialize the Command Processor. */
57579f76 3951 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
b6016b76 3952
fba9fe91 3953init_cpu_err:
fba9fe91 3954 return rc;
b6016b76
MC
3955}
3956
b6a23e91
MC
3957static void
3958bnx2_setup_wol(struct bnx2 *bp)
3959{
3960 int i;
3961 u32 val, wol_msg;
3962
3963 if (bp->wol) {
3964 u32 advertising;
3965 u8 autoneg;
3966
3967 autoneg = bp->autoneg;
3968 advertising = bp->advertising;
3969
3970 if (bp->phy_port == PORT_TP) {
3971 bp->autoneg = AUTONEG_SPEED;
3972 bp->advertising = ADVERTISED_10baseT_Half |
3973 ADVERTISED_10baseT_Full |
3974 ADVERTISED_100baseT_Half |
3975 ADVERTISED_100baseT_Full |
3976 ADVERTISED_Autoneg;
3977 }
3978
3979 spin_lock_bh(&bp->phy_lock);
3980 bnx2_setup_phy(bp, bp->phy_port);
3981 spin_unlock_bh(&bp->phy_lock);
3982
3983 bp->autoneg = autoneg;
3984 bp->advertising = advertising;
3985
3986 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3987
3988 val = BNX2_RD(bp, BNX2_EMAC_MODE);
3989
3990 /* Enable port mode. */
3991 val &= ~BNX2_EMAC_MODE_PORT;
3992 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3993 BNX2_EMAC_MODE_ACPI_RCVD |
3994 BNX2_EMAC_MODE_MPKT;
3995 if (bp->phy_port == PORT_TP) {
3996 val |= BNX2_EMAC_MODE_PORT_MII;
3997 } else {
3998 val |= BNX2_EMAC_MODE_PORT_GMII;
3999 if (bp->line_speed == SPEED_2500)
4000 val |= BNX2_EMAC_MODE_25G_MODE;
4001 }
4002
4003 BNX2_WR(bp, BNX2_EMAC_MODE, val);
4004
4005 /* receive all multicast */
4006 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
4007 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
4008 0xffffffff);
4009 }
4010 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
4011
4012 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
4013 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
4014 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
4015 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
4016
4017 /* Need to enable EMAC and RPM for WOL. */
4018 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4019 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
4020 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
4021 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
4022
4023 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
4024 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
4025 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
4026
4027 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4028 } else {
4029 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4030 }
4031
a8d9bc2e
MC
4032 if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
4033 u32 val;
4034
4035 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
4036 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
4037 bnx2_fw_sync(bp, wol_msg, 1, 0);
4038 return;
4039 }
4040 /* Tell firmware not to power down the PHY yet, otherwise
4041 * the chip will take a long time to respond to MMIO reads.
4042 */
4043 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
4044 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
4045 val | BNX2_PORT_FEATURE_ASF_ENABLED);
4046 bnx2_fw_sync(bp, wol_msg, 1, 0);
4047 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
4048 }
b6a23e91
MC
4049
4050}
4051
b6016b76 4052static int
829ca9a3 4053bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
b6016b76 4054{
b6016b76 4055 switch (state) {
829ca9a3 4056 case PCI_D0: {
b6016b76
MC
4057 u32 val;
4058
6d5e85c7
MC
4059 pci_enable_wake(bp->pdev, PCI_D0, false);
4060 pci_set_power_state(bp->pdev, PCI_D0);
b6016b76 4061
e503e066 4062 val = BNX2_RD(bp, BNX2_EMAC_MODE);
b6016b76
MC
4063 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
4064 val &= ~BNX2_EMAC_MODE_MPKT;
e503e066 4065 BNX2_WR(bp, BNX2_EMAC_MODE, val);
b6016b76 4066
e503e066 4067 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
b6016b76 4068 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
e503e066 4069 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
b6016b76
MC
4070 break;
4071 }
829ca9a3 4072 case PCI_D3hot: {
b6a23e91 4073 bnx2_setup_wol(bp);
6d5e85c7 4074 pci_wake_from_d3(bp->pdev, bp->wol);
4ce45e02
MC
4075 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4076 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
b6016b76
MC
4077
4078 if (bp->wol)
6d5e85c7 4079 pci_set_power_state(bp->pdev, PCI_D3hot);
a8d9bc2e
MC
4080 break;
4081
4082 }
4083 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4084 u32 val;
4085
4086 /* Tell firmware not to power down the PHY yet,
4087 * otherwise the other port may not respond to
4088 * MMIO reads.
4089 */
4090 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
4091 val &= ~BNX2_CONDITION_PM_STATE_MASK;
4092 val |= BNX2_CONDITION_PM_STATE_UNPREP;
4093 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
b6016b76 4094 }
a8d9bc2e 4095 pci_set_power_state(bp->pdev, PCI_D3hot);
b6016b76
MC
4096
4097 /* No more memory access after this point until
4098 * device is brought back to D0.
4099 */
b6016b76
MC
4100 break;
4101 }
4102 default:
4103 return -EINVAL;
4104 }
4105 return 0;
4106}
4107
4108static int
4109bnx2_acquire_nvram_lock(struct bnx2 *bp)
4110{
4111 u32 val;
4112 int j;
4113
4114 /* Request access to the flash interface. */
e503e066 4115 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
b6016b76 4116 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
e503e066 4117 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
b6016b76
MC
4118 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4119 break;
4120
4121 udelay(5);
4122 }
4123
4124 if (j >= NVRAM_TIMEOUT_COUNT)
4125 return -EBUSY;
4126
4127 return 0;
4128}
4129
4130static int
4131bnx2_release_nvram_lock(struct bnx2 *bp)
4132{
4133 int j;
4134 u32 val;
4135
4136 /* Relinquish nvram interface. */
e503e066 4137 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
b6016b76
MC
4138
4139 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
e503e066 4140 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
b6016b76
MC
4141 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4142 break;
4143
4144 udelay(5);
4145 }
4146
4147 if (j >= NVRAM_TIMEOUT_COUNT)
4148 return -EBUSY;
4149
4150 return 0;
4151}
4152
4153
4154static int
4155bnx2_enable_nvram_write(struct bnx2 *bp)
4156{
4157 u32 val;
4158
e503e066
MC
4159 val = BNX2_RD(bp, BNX2_MISC_CFG);
4160 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
b6016b76 4161
e30372c9 4162 if (bp->flash_info->flags & BNX2_NV_WREN) {
b6016b76
MC
4163 int j;
4164
e503e066
MC
4165 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4166 BNX2_WR(bp, BNX2_NVM_COMMAND,
4167 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
b6016b76
MC
4168
4169 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4170 udelay(5);
4171
e503e066 4172 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76
MC
4173 if (val & BNX2_NVM_COMMAND_DONE)
4174 break;
4175 }
4176
4177 if (j >= NVRAM_TIMEOUT_COUNT)
4178 return -EBUSY;
4179 }
4180 return 0;
4181}
4182
4183static void
4184bnx2_disable_nvram_write(struct bnx2 *bp)
4185{
4186 u32 val;
4187
e503e066
MC
4188 val = BNX2_RD(bp, BNX2_MISC_CFG);
4189 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
b6016b76
MC
4190}
4191
4192
4193static void
4194bnx2_enable_nvram_access(struct bnx2 *bp)
4195{
4196 u32 val;
4197
e503e066 4198 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
b6016b76 4199 /* Enable both bits, even on read. */
e503e066
MC
4200 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4201 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
b6016b76
MC
4202}
4203
4204static void
4205bnx2_disable_nvram_access(struct bnx2 *bp)
4206{
4207 u32 val;
4208
e503e066 4209 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
b6016b76 4210 /* Disable both bits, even after read. */
e503e066 4211 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC
4212 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4213 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4214}
4215
4216static int
4217bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4218{
4219 u32 cmd;
4220 int j;
4221
e30372c9 4222 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
b6016b76
MC
4223 /* Buffered flash, no erase needed */
4224 return 0;
4225
4226 /* Build an erase command */
4227 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4228 BNX2_NVM_COMMAND_DOIT;
4229
4230 /* Need to clear DONE bit separately. */
e503e066 4231 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4232
4233 /* Address of the NVRAM to read from. */
e503e066 4234 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4235
4236 /* Issue an erase command. */
e503e066 4237 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4238
4239 /* Wait for completion. */
4240 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4241 u32 val;
4242
4243 udelay(5);
4244
e503e066 4245 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76
MC
4246 if (val & BNX2_NVM_COMMAND_DONE)
4247 break;
4248 }
4249
4250 if (j >= NVRAM_TIMEOUT_COUNT)
4251 return -EBUSY;
4252
4253 return 0;
4254}
4255
4256static int
4257bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4258{
4259 u32 cmd;
4260 int j;
4261
4262 /* Build the command word. */
4263 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4264
e30372c9
MC
4265 /* Calculate an offset of a buffered flash, not needed for 5709. */
4266 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC
4267 offset = ((offset / bp->flash_info->page_size) <<
4268 bp->flash_info->page_bits) +
4269 (offset % bp->flash_info->page_size);
4270 }
4271
4272 /* Need to clear DONE bit separately. */
e503e066 4273 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4274
4275 /* Address of the NVRAM to read from. */
e503e066 4276 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4277
4278 /* Issue a read command. */
e503e066 4279 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4280
4281 /* Wait for completion. */
4282 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4283 u32 val;
4284
4285 udelay(5);
4286
e503e066 4287 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
b6016b76 4288 if (val & BNX2_NVM_COMMAND_DONE) {
e503e066 4289 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
b491edd5 4290 memcpy(ret_val, &v, 4);
b6016b76
MC
4291 break;
4292 }
4293 }
4294 if (j >= NVRAM_TIMEOUT_COUNT)
4295 return -EBUSY;
4296
4297 return 0;
4298}
4299
4300
4301static int
4302bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4303{
b491edd5
AV
4304 u32 cmd;
4305 __be32 val32;
b6016b76
MC
4306 int j;
4307
4308 /* Build the command word. */
4309 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4310
e30372c9
MC
4311 /* Calculate an offset of a buffered flash, not needed for 5709. */
4312 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC
4313 offset = ((offset / bp->flash_info->page_size) <<
4314 bp->flash_info->page_bits) +
4315 (offset % bp->flash_info->page_size);
4316 }
4317
4318 /* Need to clear DONE bit separately. */
e503e066 4319 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
b6016b76
MC
4320
4321 memcpy(&val32, val, 4);
b6016b76
MC
4322
4323 /* Write the data. */
e503e066 4324 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
b6016b76
MC
4325
4326 /* Address of the NVRAM to write to. */
e503e066 4327 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
b6016b76
MC
4328
4329 /* Issue the write command. */
e503e066 4330 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
b6016b76
MC
4331
4332 /* Wait for completion. */
4333 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4334 udelay(5);
4335
e503e066 4336 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
b6016b76
MC
4337 break;
4338 }
4339 if (j >= NVRAM_TIMEOUT_COUNT)
4340 return -EBUSY;
4341
4342 return 0;
4343}
4344
4345static int
4346bnx2_init_nvram(struct bnx2 *bp)
4347{
4348 u32 val;
e30372c9 4349 int j, entry_count, rc = 0;
0ced9d01 4350 const struct flash_spec *flash;
b6016b76 4351
4ce45e02 4352 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e30372c9
MC
4353 bp->flash_info = &flash_5709;
4354 goto get_flash_size;
4355 }
4356
b6016b76 4357 /* Determine the selected interface. */
e503e066 4358 val = BNX2_RD(bp, BNX2_NVM_CFG1);
b6016b76 4359
ff8ac609 4360 entry_count = ARRAY_SIZE(flash_table);
b6016b76 4361
b6016b76
MC
4362 if (val & 0x40000000) {
4363
4364 /* Flash interface has been reconfigured */
4365 for (j = 0, flash = &flash_table[0]; j < entry_count;
37137709
MC
4366 j++, flash++) {
4367 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4368 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
b6016b76
MC
4369 bp->flash_info = flash;
4370 break;
4371 }
4372 }
4373 }
4374 else {
37137709 4375 u32 mask;
b6016b76
MC
4376 /* Not yet been reconfigured */
4377
37137709
MC
4378 if (val & (1 << 23))
4379 mask = FLASH_BACKUP_STRAP_MASK;
4380 else
4381 mask = FLASH_STRAP_MASK;
4382
b6016b76
MC
4383 for (j = 0, flash = &flash_table[0]; j < entry_count;
4384 j++, flash++) {
4385
37137709 4386 if ((val & mask) == (flash->strapping & mask)) {
b6016b76
MC
4387 bp->flash_info = flash;
4388
4389 /* Request access to the flash interface. */
4390 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4391 return rc;
4392
4393 /* Enable access to flash interface */
4394 bnx2_enable_nvram_access(bp);
4395
4396 /* Reconfigure the flash interface */
e503e066
MC
4397 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
4398 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
4399 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
4400 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
b6016b76
MC
4401
4402 /* Disable access to flash interface */
4403 bnx2_disable_nvram_access(bp);
4404 bnx2_release_nvram_lock(bp);
4405
4406 break;
4407 }
4408 }
4409 } /* if (val & 0x40000000) */
4410
4411 if (j == entry_count) {
4412 bp->flash_info = NULL;
3a9c6a49 4413 pr_alert("Unknown flash/EEPROM type\n");
1122db71 4414 return -ENODEV;
b6016b76
MC
4415 }
4416
e30372c9 4417get_flash_size:
2726d6e1 4418 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
1122db71
MC
4419 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4420 if (val)
4421 bp->flash_size = val;
4422 else
4423 bp->flash_size = bp->flash_info->total_size;
4424
b6016b76
MC
4425 return rc;
4426}
4427
4428static int
4429bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4430 int buf_size)
4431{
4432 int rc = 0;
4433 u32 cmd_flags, offset32, len32, extra;
4434
4435 if (buf_size == 0)
4436 return 0;
4437
4438 /* Request access to the flash interface. */
4439 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4440 return rc;
4441
4442 /* Enable access to flash interface */
4443 bnx2_enable_nvram_access(bp);
4444
4445 len32 = buf_size;
4446 offset32 = offset;
4447 extra = 0;
4448
4449 cmd_flags = 0;
4450
4451 if (offset32 & 3) {
4452 u8 buf[4];
4453 u32 pre_len;
4454
4455 offset32 &= ~3;
4456 pre_len = 4 - (offset & 3);
4457
4458 if (pre_len >= len32) {
4459 pre_len = len32;
4460 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4461 BNX2_NVM_COMMAND_LAST;
4462 }
4463 else {
4464 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4465 }
4466
4467 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4468
4469 if (rc)
4470 return rc;
4471
4472 memcpy(ret_buf, buf + (offset & 3), pre_len);
4473
4474 offset32 += 4;
4475 ret_buf += pre_len;
4476 len32 -= pre_len;
4477 }
4478 if (len32 & 3) {
4479 extra = 4 - (len32 & 3);
4480 len32 = (len32 + 4) & ~3;
4481 }
4482
4483 if (len32 == 4) {
4484 u8 buf[4];
4485
4486 if (cmd_flags)
4487 cmd_flags = BNX2_NVM_COMMAND_LAST;
4488 else
4489 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4490 BNX2_NVM_COMMAND_LAST;
4491
4492 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4493
4494 memcpy(ret_buf, buf, 4 - extra);
4495 }
4496 else if (len32 > 0) {
4497 u8 buf[4];
4498
4499 /* Read the first word. */
4500 if (cmd_flags)
4501 cmd_flags = 0;
4502 else
4503 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4504
4505 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4506
4507 /* Advance to the next dword. */
4508 offset32 += 4;
4509 ret_buf += 4;
4510 len32 -= 4;
4511
4512 while (len32 > 4 && rc == 0) {
4513 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4514
4515 /* Advance to the next dword. */
4516 offset32 += 4;
4517 ret_buf += 4;
4518 len32 -= 4;
4519 }
4520
4521 if (rc)
4522 return rc;
4523
4524 cmd_flags = BNX2_NVM_COMMAND_LAST;
4525 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4526
4527 memcpy(ret_buf, buf, 4 - extra);
4528 }
4529
4530 /* Disable access to flash interface */
4531 bnx2_disable_nvram_access(bp);
4532
4533 bnx2_release_nvram_lock(bp);
4534
4535 return rc;
4536}
4537
4538static int
4539bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4540 int buf_size)
4541{
4542 u32 written, offset32, len32;
e6be763f 4543 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
b6016b76
MC
4544 int rc = 0;
4545 int align_start, align_end;
4546
4547 buf = data_buf;
4548 offset32 = offset;
4549 len32 = buf_size;
4550 align_start = align_end = 0;
4551
4552 if ((align_start = (offset32 & 3))) {
4553 offset32 &= ~3;
c873879c
MC
4554 len32 += align_start;
4555 if (len32 < 4)
4556 len32 = 4;
b6016b76
MC
4557 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4558 return rc;
4559 }
4560
4561 if (len32 & 3) {
c873879c
MC
4562 align_end = 4 - (len32 & 3);
4563 len32 += align_end;
4564 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4565 return rc;
b6016b76
MC
4566 }
4567
4568 if (align_start || align_end) {
e6be763f
MC
4569 align_buf = kmalloc(len32, GFP_KERNEL);
4570 if (align_buf == NULL)
b6016b76
MC
4571 return -ENOMEM;
4572 if (align_start) {
e6be763f 4573 memcpy(align_buf, start, 4);
b6016b76
MC
4574 }
4575 if (align_end) {
e6be763f 4576 memcpy(align_buf + len32 - 4, end, 4);
b6016b76 4577 }
e6be763f
MC
4578 memcpy(align_buf + align_start, data_buf, buf_size);
4579 buf = align_buf;
b6016b76
MC
4580 }
4581
e30372c9 4582 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
ae181bc4
MC
4583 flash_buffer = kmalloc(264, GFP_KERNEL);
4584 if (flash_buffer == NULL) {
4585 rc = -ENOMEM;
4586 goto nvram_write_end;
4587 }
4588 }
4589
b6016b76
MC
4590 written = 0;
4591 while ((written < len32) && (rc == 0)) {
4592 u32 page_start, page_end, data_start, data_end;
4593 u32 addr, cmd_flags;
4594 int i;
b6016b76
MC
4595
4596 /* Find the page_start addr */
4597 page_start = offset32 + written;
4598 page_start -= (page_start % bp->flash_info->page_size);
4599 /* Find the page_end addr */
4600 page_end = page_start + bp->flash_info->page_size;
4601 /* Find the data_start addr */
4602 data_start = (written == 0) ? offset32 : page_start;
4603 /* Find the data_end addr */
6aa20a22 4604 data_end = (page_end > offset32 + len32) ?
b6016b76
MC
4605 (offset32 + len32) : page_end;
4606
4607 /* Request access to the flash interface. */
4608 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4609 goto nvram_write_end;
4610
4611 /* Enable access to flash interface */
4612 bnx2_enable_nvram_access(bp);
4613
4614 cmd_flags = BNX2_NVM_COMMAND_FIRST;
e30372c9 4615 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC
4616 int j;
4617
4618 /* Read the whole page into the buffer
4619 * (non-buffer flash only) */
4620 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4621 if (j == (bp->flash_info->page_size - 4)) {
4622 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4623 }
4624 rc = bnx2_nvram_read_dword(bp,
6aa20a22
JG
4625 page_start + j,
4626 &flash_buffer[j],
b6016b76
MC
4627 cmd_flags);
4628
4629 if (rc)
4630 goto nvram_write_end;
4631
4632 cmd_flags = 0;
4633 }
4634 }
4635
4636 /* Enable writes to flash interface (unlock write-protect) */
4637 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4638 goto nvram_write_end;
4639
b6016b76
MC
4640 /* Loop to write back the buffer data from page_start to
4641 * data_start */
4642 i = 0;
e30372c9 4643 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
c873879c
MC
4644 /* Erase the page */
4645 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4646 goto nvram_write_end;
4647
4648 /* Re-enable the write again for the actual write */
4649 bnx2_enable_nvram_write(bp);
4650
b6016b76
MC
4651 for (addr = page_start; addr < data_start;
4652 addr += 4, i += 4) {
6aa20a22 4653
b6016b76
MC
4654 rc = bnx2_nvram_write_dword(bp, addr,
4655 &flash_buffer[i], cmd_flags);
4656
4657 if (rc != 0)
4658 goto nvram_write_end;
4659
4660 cmd_flags = 0;
4661 }
4662 }
4663
4664 /* Loop to write the new data from data_start to data_end */
bae25761 4665 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
b6016b76 4666 if ((addr == page_end - 4) ||
e30372c9 4667 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
b6016b76
MC
4668 (addr == data_end - 4))) {
4669
4670 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4671 }
4672 rc = bnx2_nvram_write_dword(bp, addr, buf,
4673 cmd_flags);
4674
4675 if (rc != 0)
4676 goto nvram_write_end;
4677
4678 cmd_flags = 0;
4679 buf += 4;
4680 }
4681
4682 /* Loop to write back the buffer data from data_end
4683 * to page_end */
e30372c9 4684 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC
4685 for (addr = data_end; addr < page_end;
4686 addr += 4, i += 4) {
6aa20a22 4687
b6016b76
MC
4688 if (addr == page_end-4) {
4689 cmd_flags = BNX2_NVM_COMMAND_LAST;
4690 }
4691 rc = bnx2_nvram_write_dword(bp, addr,
4692 &flash_buffer[i], cmd_flags);
4693
4694 if (rc != 0)
4695 goto nvram_write_end;
4696
4697 cmd_flags = 0;
4698 }
4699 }
4700
4701 /* Disable writes to flash interface (lock write-protect) */
4702 bnx2_disable_nvram_write(bp);
4703
4704 /* Disable access to flash interface */
4705 bnx2_disable_nvram_access(bp);
4706 bnx2_release_nvram_lock(bp);
4707
4708 /* Increment written */
4709 written += data_end - data_start;
4710 }
4711
4712nvram_write_end:
e6be763f
MC
4713 kfree(flash_buffer);
4714 kfree(align_buf);
b6016b76
MC
4715 return rc;
4716}
4717
0d8a6571 4718static void
7c62e83b 4719bnx2_init_fw_cap(struct bnx2 *bp)
0d8a6571 4720{
7c62e83b 4721 u32 val, sig = 0;
0d8a6571 4722
583c28e5 4723 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
7c62e83b
MC
4724 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4725
4726 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4727 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
0d8a6571 4728
2726d6e1 4729 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
0d8a6571
MC
4730 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4731 return;
4732
7c62e83b
MC
4733 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4734 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4735 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4736 }
4737
4738 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4739 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4740 u32 link;
4741
583c28e5 4742 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
0d8a6571 4743
7c62e83b
MC
4744 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4745 if (link & BNX2_LINK_STATUS_SERDES_LINK)
0d8a6571
MC
4746 bp->phy_port = PORT_FIBRE;
4747 else
4748 bp->phy_port = PORT_TP;
489310a4 4749
7c62e83b
MC
4750 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4751 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
0d8a6571 4752 }
7c62e83b
MC
4753
4754 if (netif_running(bp->dev) && sig)
4755 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
0d8a6571
MC
4756}
4757
b4b36042
MC
4758static void
4759bnx2_setup_msix_tbl(struct bnx2 *bp)
4760{
e503e066 4761 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
b4b36042 4762
e503e066
MC
4763 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4764 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
b4b36042
MC
4765}
4766
b6016b76
MC
4767static int
4768bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4769{
4770 u32 val;
4771 int i, rc = 0;
489310a4 4772 u8 old_port;
b6016b76
MC
4773
4774 /* Wait for the current PCI transaction to complete before
4775 * issuing a reset. */
4ce45e02
MC
4776 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
4777 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
e503e066
MC
4778 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4779 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4780 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4781 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4782 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4783 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
a5dac108
EW
4784 udelay(5);
4785 } else { /* 5709 */
e503e066 4786 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
a5dac108 4787 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
e503e066
MC
4788 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4789 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
a5dac108
EW
4790
4791 for (i = 0; i < 100; i++) {
4792 msleep(1);
e503e066 4793 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
a5dac108
EW
4794 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4795 break;
4796 }
4797 }
b6016b76 4798
b090ae2b 4799 /* Wait for the firmware to tell us it is ok to issue a reset. */
a2f13890 4800 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
b090ae2b 4801
b6016b76
MC
4802 /* Deposit a driver reset signature so the firmware knows that
4803 * this is a soft reset. */
2726d6e1
MC
4804 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4805 BNX2_DRV_RESET_SIGNATURE_MAGIC);
b6016b76 4806
b6016b76
MC
4807 /* Do a dummy read to force the chip to complete all current transaction
4808 * before we issue a reset. */
e503e066 4809 val = BNX2_RD(bp, BNX2_MISC_ID);
b6016b76 4810
4ce45e02 4811 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066
MC
4812 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4813 BNX2_RD(bp, BNX2_MISC_COMMAND);
234754d5 4814 udelay(5);
b6016b76 4815
234754d5
MC
4816 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4817 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
b6016b76 4818
e503e066 4819 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
b6016b76 4820
234754d5
MC
4821 } else {
4822 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4823 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4824 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4825
4826 /* Chip reset. */
e503e066 4827 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
234754d5 4828
594a9dfa
MC
4829 /* Reading back any register after chip reset will hang the
4830 * bus on 5706 A0 and A1. The msleep below provides plenty
4831 * of margin for write posting.
4832 */
4ce45e02
MC
4833 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4834 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
8e545881 4835 msleep(20);
b6016b76 4836
234754d5
MC
4837 /* Reset takes approximate 30 usec */
4838 for (i = 0; i < 10; i++) {
e503e066 4839 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
234754d5
MC
4840 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4841 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4842 break;
4843 udelay(10);
4844 }
4845
4846 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4847 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3a9c6a49 4848 pr_err("Chip reset did not complete\n");
234754d5
MC
4849 return -EBUSY;
4850 }
b6016b76
MC
4851 }
4852
4853 /* Make sure byte swapping is properly configured. */
e503e066 4854 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
b6016b76 4855 if (val != 0x01020304) {
3a9c6a49 4856 pr_err("Chip not in correct endian mode\n");
b6016b76
MC
4857 return -ENODEV;
4858 }
4859
b6016b76 4860 /* Wait for the firmware to finish its initialization. */
a2f13890 4861 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
b090ae2b
MC
4862 if (rc)
4863 return rc;
b6016b76 4864
0d8a6571 4865 spin_lock_bh(&bp->phy_lock);
489310a4 4866 old_port = bp->phy_port;
7c62e83b 4867 bnx2_init_fw_cap(bp);
583c28e5
MC
4868 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4869 old_port != bp->phy_port)
0d8a6571
MC
4870 bnx2_set_default_remote_link(bp);
4871 spin_unlock_bh(&bp->phy_lock);
4872
4ce45e02 4873 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
4874 /* Adjust the voltage regular to two steps lower. The default
4875 * of this register is 0x0000000e. */
e503e066 4876 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
b6016b76
MC
4877
4878 /* Remove bad rbuf memory from the free pool. */
4879 rc = bnx2_alloc_bad_rbuf(bp);
4880 }
4881
c441b8d2 4882 if (bp->flags & BNX2_FLAG_USING_MSIX) {
b4b36042 4883 bnx2_setup_msix_tbl(bp);
c441b8d2 4884 /* Prevent MSIX table reads and write from timing out */
e503e066 4885 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
c441b8d2
MC
4886 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4887 }
b4b36042 4888
b6016b76
MC
4889 return rc;
4890}
4891
4892static int
4893bnx2_init_chip(struct bnx2 *bp)
4894{
d8026d93 4895 u32 val, mtu;
b4b36042 4896 int rc, i;
b6016b76
MC
4897
4898 /* Make sure the interrupt is not active. */
e503e066 4899 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
b6016b76
MC
4900
4901 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4902 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4903#ifdef __BIG_ENDIAN
6aa20a22 4904 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
b6016b76 4905#endif
6aa20a22 4906 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
b6016b76
MC
4907 DMA_READ_CHANS << 12 |
4908 DMA_WRITE_CHANS << 16;
4909
4910 val |= (0x2 << 20) | (1 << 11);
4911
f86e82fb 4912 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
b6016b76
MC
4913 val |= (1 << 23);
4914
4ce45e02
MC
4915 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
4916 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
4917 !(bp->flags & BNX2_FLAG_PCIX))
b6016b76
MC
4918 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4919
e503e066 4920 BNX2_WR(bp, BNX2_DMA_CONFIG, val);
b6016b76 4921
4ce45e02 4922 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
e503e066 4923 val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
b6016b76 4924 val |= BNX2_TDMA_CONFIG_ONE_DMA;
e503e066 4925 BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
b6016b76
MC
4926 }
4927
f86e82fb 4928 if (bp->flags & BNX2_FLAG_PCIX) {
b6016b76
MC
4929 u16 val16;
4930
4931 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4932 &val16);
4933 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4934 val16 & ~PCI_X_CMD_ERO);
4935 }
4936
e503e066
MC
4937 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4938 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4939 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4940 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
b6016b76
MC
4941
4942 /* Initialize context mapping and zero out the quick contexts. The
4943 * context block must have already been enabled. */
4ce45e02 4944 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
641bdcd5
MC
4945 rc = bnx2_init_5709_context(bp);
4946 if (rc)
4947 return rc;
4948 } else
59b47d8a 4949 bnx2_init_context(bp);
b6016b76 4950
fba9fe91
MC
4951 if ((rc = bnx2_init_cpus(bp)) != 0)
4952 return rc;
4953
b6016b76
MC
4954 bnx2_init_nvram(bp);
4955
5fcaed01 4956 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76 4957
e503e066 4958 val = BNX2_RD(bp, BNX2_MQ_CONFIG);
b6016b76
MC
4959 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4960 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4ce45e02 4961 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4edd473f 4962 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4ce45e02 4963 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
4edd473f
MC
4964 val |= BNX2_MQ_CONFIG_HALT_DIS;
4965 }
68c9f75a 4966
e503e066 4967 BNX2_WR(bp, BNX2_MQ_CONFIG, val);
b6016b76
MC
4968
4969 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
e503e066
MC
4970 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4971 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
b6016b76 4972
2bc4078e 4973 val = (BNX2_PAGE_BITS - 8) << 24;
e503e066 4974 BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
b6016b76
MC
4975
4976 /* Configure page size. */
e503e066 4977 val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
b6016b76 4978 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2bc4078e 4979 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
e503e066 4980 BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
b6016b76
MC
4981
4982 val = bp->mac_addr[0] +
4983 (bp->mac_addr[1] << 8) +
4984 (bp->mac_addr[2] << 16) +
4985 bp->mac_addr[3] +
4986 (bp->mac_addr[4] << 8) +
4987 (bp->mac_addr[5] << 16);
e503e066 4988 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
b6016b76
MC
4989
4990 /* Program the MTU. Also include 4 bytes for CRC32. */
d8026d93
MC
4991 mtu = bp->dev->mtu;
4992 val = mtu + ETH_HLEN + ETH_FCS_LEN;
b6016b76
MC
4993 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4994 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
e503e066 4995 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
b6016b76 4996
d8026d93
MC
4997 if (mtu < 1500)
4998 mtu = 1500;
4999
5000 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
5001 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
5002 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
5003
155d5561 5004 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
b4b36042
MC
5005 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5006 bp->bnx2_napi[i].last_status_idx = 0;
5007
efba0180
MC
5008 bp->idle_chk_status_idx = 0xffff;
5009
b6016b76 5010 /* Set up how to generate a link change interrupt. */
e503e066 5011 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
b6016b76 5012
e503e066
MC
5013 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
5014 (u64) bp->status_blk_mapping & 0xffffffff);
5015 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
b6016b76 5016
e503e066
MC
5017 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
5018 (u64) bp->stats_blk_mapping & 0xffffffff);
5019 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
5020 (u64) bp->stats_blk_mapping >> 32);
b6016b76 5021
e503e066
MC
5022 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
5023 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
b6016b76 5024
e503e066
MC
5025 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
5026 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
b6016b76 5027
e503e066
MC
5028 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
5029 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
b6016b76 5030
e503e066 5031 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
b6016b76 5032
e503e066 5033 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
b6016b76 5034
e503e066
MC
5035 BNX2_WR(bp, BNX2_HC_COM_TICKS,
5036 (bp->com_ticks_int << 16) | bp->com_ticks);
b6016b76 5037
e503e066
MC
5038 BNX2_WR(bp, BNX2_HC_CMD_TICKS,
5039 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
b6016b76 5040
61d9e3fa 5041 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
e503e066 5042 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
02537b06 5043 else
e503e066
MC
5044 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
5045 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
b6016b76 5046
4ce45e02 5047 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
8e6a72c4 5048 val = BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76 5049 else {
8e6a72c4
MC
5050 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
5051 BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76
MC
5052 }
5053
efde73a3 5054 if (bp->flags & BNX2_FLAG_USING_MSIX) {
e503e066
MC
5055 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
5056 BNX2_HC_MSIX_BIT_VECTOR_VAL);
c76c0475 5057
5e9ad9e1
MC
5058 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
5059 }
5060
5061 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
cf7474a6 5062 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
5e9ad9e1 5063
e503e066 5064 BNX2_WR(bp, BNX2_HC_CONFIG, val);
5e9ad9e1 5065
22fa159d
MC
5066 if (bp->rx_ticks < 25)
5067 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5068 else
5069 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5070
5e9ad9e1
MC
5071 for (i = 1; i < bp->irq_nvecs; i++) {
5072 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5073 BNX2_HC_SB_CONFIG_1;
5074
e503e066 5075 BNX2_WR(bp, base,
c76c0475 5076 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
5e9ad9e1 5077 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
c76c0475
MC
5078 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5079
e503e066 5080 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
c76c0475
MC
5081 (bp->tx_quick_cons_trip_int << 16) |
5082 bp->tx_quick_cons_trip);
5083
e503e066 5084 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
c76c0475
MC
5085 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5086
e503e066
MC
5087 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5088 (bp->rx_quick_cons_trip_int << 16) |
5e9ad9e1 5089 bp->rx_quick_cons_trip);
8e6a72c4 5090
e503e066 5091 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
5e9ad9e1
MC
5092 (bp->rx_ticks_int << 16) | bp->rx_ticks);
5093 }
8e6a72c4 5094
b6016b76 5095 /* Clear internal stats counters. */
e503e066 5096 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
b6016b76 5097
e503e066 5098 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
b6016b76
MC
5099
5100 /* Initialize the receive filter. */
5101 bnx2_set_rx_mode(bp->dev);
5102
4ce45e02 5103 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066 5104 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
0aa38df7 5105 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
e503e066 5106 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
0aa38df7 5107 }
b090ae2b 5108 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
a2f13890 5109 1, 0);
b6016b76 5110
e503e066
MC
5111 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5112 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
b6016b76
MC
5113
5114 udelay(20);
5115
e503e066 5116 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
bf5295bb 5117
b090ae2b 5118 return rc;
b6016b76
MC
5119}
5120
c76c0475
MC
5121static void
5122bnx2_clear_ring_states(struct bnx2 *bp)
5123{
5124 struct bnx2_napi *bnapi;
35e9010b 5125 struct bnx2_tx_ring_info *txr;
bb4f98ab 5126 struct bnx2_rx_ring_info *rxr;
c76c0475
MC
5127 int i;
5128
5129 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5130 bnapi = &bp->bnx2_napi[i];
35e9010b 5131 txr = &bnapi->tx_ring;
bb4f98ab 5132 rxr = &bnapi->rx_ring;
c76c0475 5133
35e9010b
MC
5134 txr->tx_cons = 0;
5135 txr->hw_tx_cons = 0;
bb4f98ab
MC
5136 rxr->rx_prod_bseq = 0;
5137 rxr->rx_prod = 0;
5138 rxr->rx_cons = 0;
5139 rxr->rx_pg_prod = 0;
5140 rxr->rx_pg_cons = 0;
c76c0475
MC
5141 }
5142}
5143
59b47d8a 5144static void
35e9010b 5145bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
59b47d8a
MC
5146{
5147 u32 val, offset0, offset1, offset2, offset3;
62a8313c 5148 u32 cid_addr = GET_CID_ADDR(cid);
59b47d8a 5149
4ce45e02 5150 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
59b47d8a
MC
5151 offset0 = BNX2_L2CTX_TYPE_XI;
5152 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5153 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5154 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5155 } else {
5156 offset0 = BNX2_L2CTX_TYPE;
5157 offset1 = BNX2_L2CTX_CMD_TYPE;
5158 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5159 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5160 }
5161 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
62a8313c 5162 bnx2_ctx_wr(bp, cid_addr, offset0, val);
59b47d8a
MC
5163
5164 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
62a8313c 5165 bnx2_ctx_wr(bp, cid_addr, offset1, val);
59b47d8a 5166
35e9010b 5167 val = (u64) txr->tx_desc_mapping >> 32;
62a8313c 5168 bnx2_ctx_wr(bp, cid_addr, offset2, val);
59b47d8a 5169
35e9010b 5170 val = (u64) txr->tx_desc_mapping & 0xffffffff;
62a8313c 5171 bnx2_ctx_wr(bp, cid_addr, offset3, val);
59b47d8a 5172}
b6016b76
MC
5173
5174static void
35e9010b 5175bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
b6016b76 5176{
2bc4078e 5177 struct bnx2_tx_bd *txbd;
c76c0475
MC
5178 u32 cid = TX_CID;
5179 struct bnx2_napi *bnapi;
35e9010b 5180 struct bnx2_tx_ring_info *txr;
c76c0475 5181
35e9010b
MC
5182 bnapi = &bp->bnx2_napi[ring_num];
5183 txr = &bnapi->tx_ring;
5184
5185 if (ring_num == 0)
5186 cid = TX_CID;
5187 else
5188 cid = TX_TSS_CID + ring_num - 1;
b6016b76 5189
2f8af120
MC
5190 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5191
2bc4078e 5192 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
6aa20a22 5193
35e9010b
MC
5194 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5195 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
b6016b76 5196
35e9010b
MC
5197 txr->tx_prod = 0;
5198 txr->tx_prod_bseq = 0;
6aa20a22 5199
35e9010b
MC
5200 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5201 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
b6016b76 5202
35e9010b 5203 bnx2_init_tx_context(bp, cid, txr);
b6016b76
MC
5204}
5205
5206static void
2bc4078e
MC
5207bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
5208 u32 buf_size, int num_rings)
b6016b76 5209{
b6016b76 5210 int i;
2bc4078e 5211 struct bnx2_rx_bd *rxbd;
6aa20a22 5212
5d5d0015 5213 for (i = 0; i < num_rings; i++) {
13daffa2 5214 int j;
b6016b76 5215
5d5d0015 5216 rxbd = &rx_ring[i][0];
2bc4078e 5217 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
5d5d0015 5218 rxbd->rx_bd_len = buf_size;
13daffa2
MC
5219 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5220 }
5d5d0015 5221 if (i == (num_rings - 1))
13daffa2
MC
5222 j = 0;
5223 else
5224 j = i + 1;
5d5d0015
MC
5225 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5226 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
13daffa2 5227 }
5d5d0015
MC
5228}
5229
5230static void
bb4f98ab 5231bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5d5d0015
MC
5232{
5233 int i;
5234 u16 prod, ring_prod;
bb4f98ab
MC
5235 u32 cid, rx_cid_addr, val;
5236 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5237 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5238
5239 if (ring_num == 0)
5240 cid = RX_CID;
5241 else
5242 cid = RX_RSS_CID + ring_num - 1;
5243
5244 rx_cid_addr = GET_CID_ADDR(cid);
5d5d0015 5245
bb4f98ab 5246 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5d5d0015
MC
5247 bp->rx_buf_use_size, bp->rx_max_ring);
5248
bb4f98ab 5249 bnx2_init_rx_context(bp, cid);
83e3fc89 5250
4ce45e02 5251 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e503e066
MC
5252 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
5253 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
83e3fc89
MC
5254 }
5255
62a8313c 5256 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
47bf4246 5257 if (bp->rx_pg_ring_size) {
bb4f98ab
MC
5258 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5259 rxr->rx_pg_desc_mapping,
47bf4246
MC
5260 PAGE_SIZE, bp->rx_max_pg_ring);
5261 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
62a8313c
MC
5262 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5263 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5e9ad9e1 5264 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
47bf4246 5265
bb4f98ab 5266 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
62a8313c 5267 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
47bf4246 5268
bb4f98ab 5269 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
62a8313c 5270 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
47bf4246 5271
4ce45e02 5272 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
e503e066 5273 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
47bf4246 5274 }
b6016b76 5275
bb4f98ab 5276 val = (u64) rxr->rx_desc_mapping[0] >> 32;
62a8313c 5277 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
b6016b76 5278
bb4f98ab 5279 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
62a8313c 5280 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
b6016b76 5281
bb4f98ab 5282 ring_prod = prod = rxr->rx_pg_prod;
47bf4246 5283 for (i = 0; i < bp->rx_pg_ring_size; i++) {
a2df00aa 5284 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP
5285 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5286 ring_num, i, bp->rx_pg_ring_size);
47bf4246 5287 break;
b929e53c 5288 }
2bc4078e
MC
5289 prod = BNX2_NEXT_RX_BD(prod);
5290 ring_prod = BNX2_RX_PG_RING_IDX(prod);
47bf4246 5291 }
bb4f98ab 5292 rxr->rx_pg_prod = prod;
47bf4246 5293
bb4f98ab 5294 ring_prod = prod = rxr->rx_prod;
236b6394 5295 for (i = 0; i < bp->rx_ring_size; i++) {
dd2bc8e9 5296 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP
5297 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5298 ring_num, i, bp->rx_ring_size);
b6016b76 5299 break;
b929e53c 5300 }
2bc4078e
MC
5301 prod = BNX2_NEXT_RX_BD(prod);
5302 ring_prod = BNX2_RX_RING_IDX(prod);
b6016b76 5303 }
bb4f98ab 5304 rxr->rx_prod = prod;
b6016b76 5305
bb4f98ab
MC
5306 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5307 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5308 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
b6016b76 5309
e503e066
MC
5310 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5311 BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
bb4f98ab 5312
e503e066 5313 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC
5314}
5315
35e9010b
MC
5316static void
5317bnx2_init_all_rings(struct bnx2 *bp)
5318{
5319 int i;
5e9ad9e1 5320 u32 val;
35e9010b
MC
5321
5322 bnx2_clear_ring_states(bp);
5323
e503e066 5324 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
35e9010b
MC
5325 for (i = 0; i < bp->num_tx_rings; i++)
5326 bnx2_init_tx_ring(bp, i);
5327
5328 if (bp->num_tx_rings > 1)
e503e066
MC
5329 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5330 (TX_TSS_CID << 7));
35e9010b 5331
e503e066 5332 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5e9ad9e1
MC
5333 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5334
bb4f98ab
MC
5335 for (i = 0; i < bp->num_rx_rings; i++)
5336 bnx2_init_rx_ring(bp, i);
5e9ad9e1
MC
5337
5338 if (bp->num_rx_rings > 1) {
22fa159d 5339 u32 tbl_32 = 0;
5e9ad9e1
MC
5340
5341 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
22fa159d
MC
5342 int shift = (i % 8) << 2;
5343
5344 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5345 if ((i % 8) == 7) {
e503e066
MC
5346 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5347 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
22fa159d
MC
5348 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5349 BNX2_RLUP_RSS_COMMAND_WRITE |
5350 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5351 tbl_32 = 0;
5352 }
5e9ad9e1
MC
5353 }
5354
5355 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5356 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5357
e503e066 5358 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5e9ad9e1
MC
5359
5360 }
35e9010b
MC
5361}
5362
5d5d0015 5363static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
13daffa2 5364{
5d5d0015 5365 u32 max, num_rings = 1;
13daffa2 5366
2bc4078e
MC
5367 while (ring_size > BNX2_MAX_RX_DESC_CNT) {
5368 ring_size -= BNX2_MAX_RX_DESC_CNT;
13daffa2
MC
5369 num_rings++;
5370 }
5371 /* round to next power of 2 */
5d5d0015 5372 max = max_size;
13daffa2
MC
5373 while ((max & num_rings) == 0)
5374 max >>= 1;
5375
5376 if (num_rings != max)
5377 max <<= 1;
5378
5d5d0015
MC
5379 return max;
5380}
5381
5382static void
5383bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5384{
84eaa187 5385 u32 rx_size, rx_space, jumbo_size;
5d5d0015
MC
5386
5387 /* 8 for CRC and VLAN */
d89cb6af 5388 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5d5d0015 5389
84eaa187 5390 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
dd2bc8e9 5391 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
84eaa187 5392
601d3d18 5393 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
47bf4246
MC
5394 bp->rx_pg_ring_size = 0;
5395 bp->rx_max_pg_ring = 0;
5396 bp->rx_max_pg_ring_idx = 0;
f86e82fb 5397 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
84eaa187
MC
5398 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5399
5400 jumbo_size = size * pages;
2bc4078e
MC
5401 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
5402 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
84eaa187
MC
5403
5404 bp->rx_pg_ring_size = jumbo_size;
5405 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
2bc4078e
MC
5406 BNX2_MAX_RX_PG_RINGS);
5407 bp->rx_max_pg_ring_idx =
5408 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
601d3d18 5409 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
84eaa187
MC
5410 bp->rx_copy_thresh = 0;
5411 }
5d5d0015
MC
5412
5413 bp->rx_buf_use_size = rx_size;
dd2bc8e9
ED
5414 /* hw alignment + build_skb() overhead*/
5415 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5416 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
d89cb6af 5417 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5d5d0015 5418 bp->rx_ring_size = size;
2bc4078e
MC
5419 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
5420 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
13daffa2
MC
5421}
5422
b6016b76
MC
5423static void
5424bnx2_free_tx_skbs(struct bnx2 *bp)
5425{
5426 int i;
5427
35e9010b
MC
5428 for (i = 0; i < bp->num_tx_rings; i++) {
5429 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5430 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5431 int j;
b6016b76 5432
35e9010b 5433 if (txr->tx_buf_ring == NULL)
b6016b76 5434 continue;
b6016b76 5435
2bc4078e
MC
5436 for (j = 0; j < BNX2_TX_DESC_CNT; ) {
5437 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
35e9010b 5438 struct sk_buff *skb = tx_buf->skb;
e95524a7 5439 int k, last;
35e9010b
MC
5440
5441 if (skb == NULL) {
2bc4078e 5442 j = BNX2_NEXT_TX_BD(j);
35e9010b
MC
5443 continue;
5444 }
5445
36227e88 5446 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5447 dma_unmap_addr(tx_buf, mapping),
e95524a7
AD
5448 skb_headlen(skb),
5449 PCI_DMA_TODEVICE);
b6016b76 5450
35e9010b 5451 tx_buf->skb = NULL;
b6016b76 5452
e95524a7 5453 last = tx_buf->nr_frags;
2bc4078e
MC
5454 j = BNX2_NEXT_TX_BD(j);
5455 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
5456 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
36227e88 5457 dma_unmap_page(&bp->pdev->dev,
1a4ccc2d 5458 dma_unmap_addr(tx_buf, mapping),
9e903e08 5459 skb_frag_size(&skb_shinfo(skb)->frags[k]),
e95524a7
AD
5460 PCI_DMA_TODEVICE);
5461 }
35e9010b 5462 dev_kfree_skb(skb);
b6016b76 5463 }
e9831909 5464 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
b6016b76 5465 }
b6016b76
MC
5466}
5467
5468static void
5469bnx2_free_rx_skbs(struct bnx2 *bp)
5470{
5471 int i;
5472
bb4f98ab
MC
5473 for (i = 0; i < bp->num_rx_rings; i++) {
5474 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5475 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5476 int j;
b6016b76 5477
bb4f98ab
MC
5478 if (rxr->rx_buf_ring == NULL)
5479 return;
b6016b76 5480
bb4f98ab 5481 for (j = 0; j < bp->rx_max_ring_idx; j++) {
2bc4078e 5482 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
dd2bc8e9 5483 u8 *data = rx_buf->data;
b6016b76 5484
dd2bc8e9 5485 if (data == NULL)
bb4f98ab 5486 continue;
b6016b76 5487
36227e88 5488 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5489 dma_unmap_addr(rx_buf, mapping),
bb4f98ab
MC
5490 bp->rx_buf_use_size,
5491 PCI_DMA_FROMDEVICE);
b6016b76 5492
dd2bc8e9 5493 rx_buf->data = NULL;
bb4f98ab 5494
dd2bc8e9 5495 kfree(data);
bb4f98ab
MC
5496 }
5497 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5498 bnx2_free_rx_page(bp, rxr, j);
b6016b76
MC
5499 }
5500}
5501
5502static void
5503bnx2_free_skbs(struct bnx2 *bp)
5504{
5505 bnx2_free_tx_skbs(bp);
5506 bnx2_free_rx_skbs(bp);
5507}
5508
5509static int
5510bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5511{
5512 int rc;
5513
5514 rc = bnx2_reset_chip(bp, reset_code);
5515 bnx2_free_skbs(bp);
5516 if (rc)
5517 return rc;
5518
fba9fe91
MC
5519 if ((rc = bnx2_init_chip(bp)) != 0)
5520 return rc;
5521
35e9010b 5522 bnx2_init_all_rings(bp);
b6016b76
MC
5523 return 0;
5524}
5525
5526static int
9a120bc5 5527bnx2_init_nic(struct bnx2 *bp, int reset_phy)
b6016b76
MC
5528{
5529 int rc;
5530
5531 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5532 return rc;
5533
80be4434 5534 spin_lock_bh(&bp->phy_lock);
9a120bc5 5535 bnx2_init_phy(bp, reset_phy);
b6016b76 5536 bnx2_set_link(bp);
543a827d
MC
5537 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5538 bnx2_remote_phy_event(bp);
0d8a6571 5539 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
5540 return 0;
5541}
5542
74bf4ba3
MC
5543static int
5544bnx2_shutdown_chip(struct bnx2 *bp)
5545{
5546 u32 reset_code;
5547
5548 if (bp->flags & BNX2_FLAG_NO_WOL)
5549 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5550 else if (bp->wol)
5551 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5552 else
5553 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5554
5555 return bnx2_reset_chip(bp, reset_code);
5556}
5557
b6016b76
MC
5558static int
5559bnx2_test_registers(struct bnx2 *bp)
5560{
5561 int ret;
5bae30c9 5562 int i, is_5709;
f71e1309 5563 static const struct {
b6016b76
MC
5564 u16 offset;
5565 u16 flags;
5bae30c9 5566#define BNX2_FL_NOT_5709 1
b6016b76
MC
5567 u32 rw_mask;
5568 u32 ro_mask;
5569 } reg_tbl[] = {
5570 { 0x006c, 0, 0x00000000, 0x0000003f },
5571 { 0x0090, 0, 0xffffffff, 0x00000000 },
5572 { 0x0094, 0, 0x00000000, 0x00000000 },
5573
5bae30c9
MC
5574 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5575 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5576 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5577 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5578 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5579 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5580 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5581 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5582 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5583
5584 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5585 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5586 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5587 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5588 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5589 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5590
5591 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5592 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5593 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
b6016b76
MC
5594
5595 { 0x1000, 0, 0x00000000, 0x00000001 },
15b169cc 5596 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
b6016b76
MC
5597
5598 { 0x1408, 0, 0x01c00800, 0x00000000 },
5599 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5600 { 0x14a8, 0, 0x00000000, 0x000001ff },
5b0c76ad 5601 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
b6016b76
MC
5602 { 0x14b0, 0, 0x00000002, 0x00000001 },
5603 { 0x14b8, 0, 0x00000000, 0x00000000 },
5604 { 0x14c0, 0, 0x00000000, 0x00000009 },
5605 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5606 { 0x14cc, 0, 0x00000000, 0x00000001 },
5607 { 0x14d0, 0, 0xffffffff, 0x00000000 },
b6016b76
MC
5608
5609 { 0x1800, 0, 0x00000000, 0x00000001 },
5610 { 0x1804, 0, 0x00000000, 0x00000003 },
b6016b76
MC
5611
5612 { 0x2800, 0, 0x00000000, 0x00000001 },
5613 { 0x2804, 0, 0x00000000, 0x00003f01 },
5614 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5615 { 0x2810, 0, 0xffff0000, 0x00000000 },
5616 { 0x2814, 0, 0xffff0000, 0x00000000 },
5617 { 0x2818, 0, 0xffff0000, 0x00000000 },
5618 { 0x281c, 0, 0xffff0000, 0x00000000 },
5619 { 0x2834, 0, 0xffffffff, 0x00000000 },
5620 { 0x2840, 0, 0x00000000, 0xffffffff },
5621 { 0x2844, 0, 0x00000000, 0xffffffff },
5622 { 0x2848, 0, 0xffffffff, 0x00000000 },
5623 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5624
5625 { 0x2c00, 0, 0x00000000, 0x00000011 },
5626 { 0x2c04, 0, 0x00000000, 0x00030007 },
5627
b6016b76
MC
5628 { 0x3c00, 0, 0x00000000, 0x00000001 },
5629 { 0x3c04, 0, 0x00000000, 0x00070000 },
5630 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5631 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5632 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5633 { 0x3c14, 0, 0x00000000, 0xffffffff },
5634 { 0x3c18, 0, 0x00000000, 0xffffffff },
5635 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5636 { 0x3c20, 0, 0xffffff00, 0x00000000 },
b6016b76
MC
5637
5638 { 0x5004, 0, 0x00000000, 0x0000007f },
5639 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
b6016b76 5640
b6016b76
MC
5641 { 0x5c00, 0, 0x00000000, 0x00000001 },
5642 { 0x5c04, 0, 0x00000000, 0x0003000f },
5643 { 0x5c08, 0, 0x00000003, 0x00000000 },
5644 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5645 { 0x5c10, 0, 0x00000000, 0xffffffff },
5646 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5647 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5648 { 0x5c88, 0, 0x00000000, 0x00077373 },
5649 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5650
5651 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5652 { 0x680c, 0, 0xffffffff, 0x00000000 },
5653 { 0x6810, 0, 0xffffffff, 0x00000000 },
5654 { 0x6814, 0, 0xffffffff, 0x00000000 },
5655 { 0x6818, 0, 0xffffffff, 0x00000000 },
5656 { 0x681c, 0, 0xffffffff, 0x00000000 },
5657 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5658 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5659 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5660 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5661 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5662 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5663 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5664 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5665 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5666 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5667 { 0x684c, 0, 0xffffffff, 0x00000000 },
5668 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5669 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5670 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5671 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5672 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5673 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5674
5675 { 0xffff, 0, 0x00000000, 0x00000000 },
5676 };
5677
5678 ret = 0;
5bae30c9 5679 is_5709 = 0;
4ce45e02 5680 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
5bae30c9
MC
5681 is_5709 = 1;
5682
b6016b76
MC
5683 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5684 u32 offset, rw_mask, ro_mask, save_val, val;
5bae30c9
MC
5685 u16 flags = reg_tbl[i].flags;
5686
5687 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5688 continue;
b6016b76
MC
5689
5690 offset = (u32) reg_tbl[i].offset;
5691 rw_mask = reg_tbl[i].rw_mask;
5692 ro_mask = reg_tbl[i].ro_mask;
5693
14ab9b86 5694 save_val = readl(bp->regview + offset);
b6016b76 5695
14ab9b86 5696 writel(0, bp->regview + offset);
b6016b76 5697
14ab9b86 5698 val = readl(bp->regview + offset);
b6016b76
MC
5699 if ((val & rw_mask) != 0) {
5700 goto reg_test_err;
5701 }
5702
5703 if ((val & ro_mask) != (save_val & ro_mask)) {
5704 goto reg_test_err;
5705 }
5706
14ab9b86 5707 writel(0xffffffff, bp->regview + offset);
b6016b76 5708
14ab9b86 5709 val = readl(bp->regview + offset);
b6016b76
MC
5710 if ((val & rw_mask) != rw_mask) {
5711 goto reg_test_err;
5712 }
5713
5714 if ((val & ro_mask) != (save_val & ro_mask)) {
5715 goto reg_test_err;
5716 }
5717
14ab9b86 5718 writel(save_val, bp->regview + offset);
b6016b76
MC
5719 continue;
5720
5721reg_test_err:
14ab9b86 5722 writel(save_val, bp->regview + offset);
b6016b76
MC
5723 ret = -ENODEV;
5724 break;
5725 }
5726 return ret;
5727}
5728
5729static int
5730bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5731{
f71e1309 5732 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
b6016b76
MC
5733 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5734 int i;
5735
5736 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5737 u32 offset;
5738
5739 for (offset = 0; offset < size; offset += 4) {
5740
2726d6e1 5741 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
b6016b76 5742
2726d6e1 5743 if (bnx2_reg_rd_ind(bp, start + offset) !=
b6016b76
MC
5744 test_pattern[i]) {
5745 return -ENODEV;
5746 }
5747 }
5748 }
5749 return 0;
5750}
5751
5752static int
5753bnx2_test_memory(struct bnx2 *bp)
5754{
5755 int ret = 0;
5756 int i;
5bae30c9 5757 static struct mem_entry {
b6016b76
MC
5758 u32 offset;
5759 u32 len;
5bae30c9 5760 } mem_tbl_5706[] = {
b6016b76 5761 { 0x60000, 0x4000 },
5b0c76ad 5762 { 0xa0000, 0x3000 },
b6016b76
MC
5763 { 0xe0000, 0x4000 },
5764 { 0x120000, 0x4000 },
5765 { 0x1a0000, 0x4000 },
5766 { 0x160000, 0x4000 },
5767 { 0xffffffff, 0 },
5bae30c9
MC
5768 },
5769 mem_tbl_5709[] = {
5770 { 0x60000, 0x4000 },
5771 { 0xa0000, 0x3000 },
5772 { 0xe0000, 0x4000 },
5773 { 0x120000, 0x4000 },
5774 { 0x1a0000, 0x4000 },
5775 { 0xffffffff, 0 },
b6016b76 5776 };
5bae30c9
MC
5777 struct mem_entry *mem_tbl;
5778
4ce45e02 5779 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
5bae30c9
MC
5780 mem_tbl = mem_tbl_5709;
5781 else
5782 mem_tbl = mem_tbl_5706;
b6016b76
MC
5783
5784 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5785 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5786 mem_tbl[i].len)) != 0) {
5787 return ret;
5788 }
5789 }
6aa20a22 5790
b6016b76
MC
5791 return ret;
5792}
5793
bc5a0690
MC
5794#define BNX2_MAC_LOOPBACK 0
5795#define BNX2_PHY_LOOPBACK 1
5796
b6016b76 5797static int
bc5a0690 5798bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
b6016b76
MC
5799{
5800 unsigned int pkt_size, num_pkts, i;
dd2bc8e9
ED
5801 struct sk_buff *skb;
5802 u8 *data;
b6016b76 5803 unsigned char *packet;
bc5a0690 5804 u16 rx_start_idx, rx_idx;
b6016b76 5805 dma_addr_t map;
2bc4078e
MC
5806 struct bnx2_tx_bd *txbd;
5807 struct bnx2_sw_bd *rx_buf;
b6016b76
MC
5808 struct l2_fhdr *rx_hdr;
5809 int ret = -ENODEV;
c76c0475 5810 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
35e9010b 5811 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 5812 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
c76c0475
MC
5813
5814 tx_napi = bnapi;
b6016b76 5815
35e9010b 5816 txr = &tx_napi->tx_ring;
bb4f98ab 5817 rxr = &bnapi->rx_ring;
bc5a0690
MC
5818 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5819 bp->loopback = MAC_LOOPBACK;
5820 bnx2_set_mac_loopback(bp);
5821 }
5822 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
583c28e5 5823 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
489310a4
MC
5824 return 0;
5825
80be4434 5826 bp->loopback = PHY_LOOPBACK;
bc5a0690
MC
5827 bnx2_set_phy_loopback(bp);
5828 }
5829 else
5830 return -EINVAL;
b6016b76 5831
84eaa187 5832 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
932f3772 5833 skb = netdev_alloc_skb(bp->dev, pkt_size);
b6cbc3b6
JL
5834 if (!skb)
5835 return -ENOMEM;
b6016b76 5836 packet = skb_put(skb, pkt_size);
d458cdf7
JP
5837 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
5838 memset(packet + ETH_ALEN, 0x0, 8);
b6016b76
MC
5839 for (i = 14; i < pkt_size; i++)
5840 packet[i] = (unsigned char) (i & 0xff);
5841
36227e88
SG
5842 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5843 PCI_DMA_TODEVICE);
5844 if (dma_mapping_error(&bp->pdev->dev, map)) {
3d16af86
BL
5845 dev_kfree_skb(skb);
5846 return -EIO;
5847 }
b6016b76 5848
e503e066
MC
5849 BNX2_WR(bp, BNX2_HC_COMMAND,
5850 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
bf5295bb 5851
e503e066 5852 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
5853
5854 udelay(5);
35efa7c1 5855 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76 5856
b6016b76
MC
5857 num_pkts = 0;
5858
2bc4078e 5859 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
b6016b76
MC
5860
5861 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5862 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5863 txbd->tx_bd_mss_nbytes = pkt_size;
5864 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5865
5866 num_pkts++;
2bc4078e 5867 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
35e9010b 5868 txr->tx_prod_bseq += pkt_size;
b6016b76 5869
e503e066
MC
5870 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5871 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC
5872
5873 udelay(100);
5874
e503e066
MC
5875 BNX2_WR(bp, BNX2_HC_COMMAND,
5876 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
bf5295bb 5877
e503e066 5878 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
5879
5880 udelay(5);
5881
36227e88 5882 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
745720e5 5883 dev_kfree_skb(skb);
b6016b76 5884
35e9010b 5885 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
b6016b76 5886 goto loopback_test_done;
b6016b76 5887
35efa7c1 5888 rx_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76
MC
5889 if (rx_idx != rx_start_idx + num_pkts) {
5890 goto loopback_test_done;
5891 }
5892
bb4f98ab 5893 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
dd2bc8e9 5894 data = rx_buf->data;
b6016b76 5895
dd2bc8e9
ED
5896 rx_hdr = get_l2_fhdr(data);
5897 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
b6016b76 5898
36227e88 5899 dma_sync_single_for_cpu(&bp->pdev->dev,
1a4ccc2d 5900 dma_unmap_addr(rx_buf, mapping),
dd2bc8e9 5901 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
b6016b76 5902
ade2bfe7 5903 if (rx_hdr->l2_fhdr_status &
b6016b76
MC
5904 (L2_FHDR_ERRORS_BAD_CRC |
5905 L2_FHDR_ERRORS_PHY_DECODE |
5906 L2_FHDR_ERRORS_ALIGNMENT |
5907 L2_FHDR_ERRORS_TOO_SHORT |
5908 L2_FHDR_ERRORS_GIANT_FRAME)) {
5909
5910 goto loopback_test_done;
5911 }
5912
5913 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5914 goto loopback_test_done;
5915 }
5916
5917 for (i = 14; i < pkt_size; i++) {
dd2bc8e9 5918 if (*(data + i) != (unsigned char) (i & 0xff)) {
b6016b76
MC
5919 goto loopback_test_done;
5920 }
5921 }
5922
5923 ret = 0;
5924
5925loopback_test_done:
5926 bp->loopback = 0;
5927 return ret;
5928}
5929
bc5a0690
MC
5930#define BNX2_MAC_LOOPBACK_FAILED 1
5931#define BNX2_PHY_LOOPBACK_FAILED 2
5932#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5933 BNX2_PHY_LOOPBACK_FAILED)
5934
5935static int
5936bnx2_test_loopback(struct bnx2 *bp)
5937{
5938 int rc = 0;
5939
5940 if (!netif_running(bp->dev))
5941 return BNX2_LOOPBACK_FAILED;
5942
5943 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5944 spin_lock_bh(&bp->phy_lock);
9a120bc5 5945 bnx2_init_phy(bp, 1);
bc5a0690
MC
5946 spin_unlock_bh(&bp->phy_lock);
5947 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5948 rc |= BNX2_MAC_LOOPBACK_FAILED;
5949 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5950 rc |= BNX2_PHY_LOOPBACK_FAILED;
5951 return rc;
5952}
5953
b6016b76
MC
5954#define NVRAM_SIZE 0x200
5955#define CRC32_RESIDUAL 0xdebb20e3
5956
5957static int
5958bnx2_test_nvram(struct bnx2 *bp)
5959{
b491edd5 5960 __be32 buf[NVRAM_SIZE / 4];
b6016b76
MC
5961 u8 *data = (u8 *) buf;
5962 int rc = 0;
5963 u32 magic, csum;
5964
5965 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5966 goto test_nvram_done;
5967
5968 magic = be32_to_cpu(buf[0]);
5969 if (magic != 0x669955aa) {
5970 rc = -ENODEV;
5971 goto test_nvram_done;
5972 }
5973
5974 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5975 goto test_nvram_done;
5976
5977 csum = ether_crc_le(0x100, data);
5978 if (csum != CRC32_RESIDUAL) {
5979 rc = -ENODEV;
5980 goto test_nvram_done;
5981 }
5982
5983 csum = ether_crc_le(0x100, data + 0x100);
5984 if (csum != CRC32_RESIDUAL) {
5985 rc = -ENODEV;
5986 }
5987
5988test_nvram_done:
5989 return rc;
5990}
5991
5992static int
5993bnx2_test_link(struct bnx2 *bp)
5994{
5995 u32 bmsr;
5996
9f52b564
MC
5997 if (!netif_running(bp->dev))
5998 return -ENODEV;
5999
583c28e5 6000 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
489310a4
MC
6001 if (bp->link_up)
6002 return 0;
6003 return -ENODEV;
6004 }
c770a65c 6005 spin_lock_bh(&bp->phy_lock);
27a005b8
MC
6006 bnx2_enable_bmsr1(bp);
6007 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
6008 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
6009 bnx2_disable_bmsr1(bp);
c770a65c 6010 spin_unlock_bh(&bp->phy_lock);
6aa20a22 6011
b6016b76
MC
6012 if (bmsr & BMSR_LSTATUS) {
6013 return 0;
6014 }
6015 return -ENODEV;
6016}
6017
6018static int
6019bnx2_test_intr(struct bnx2 *bp)
6020{
6021 int i;
b6016b76
MC
6022 u16 status_idx;
6023
6024 if (!netif_running(bp->dev))
6025 return -ENODEV;
6026
e503e066 6027 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
b6016b76
MC
6028
6029 /* This register is not touched during run-time. */
e503e066
MC
6030 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
6031 BNX2_RD(bp, BNX2_HC_COMMAND);
b6016b76
MC
6032
6033 for (i = 0; i < 10; i++) {
e503e066 6034 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
b6016b76
MC
6035 status_idx) {
6036
6037 break;
6038 }
6039
6040 msleep_interruptible(10);
6041 }
6042 if (i < 10)
6043 return 0;
6044
6045 return -ENODEV;
6046}
6047
38ea3686 6048/* Determining link for parallel detection. */
b2fadeae
MC
6049static int
6050bnx2_5706_serdes_has_link(struct bnx2 *bp)
6051{
6052 u32 mode_ctl, an_dbg, exp;
6053
38ea3686
MC
6054 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
6055 return 0;
6056
b2fadeae
MC
6057 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
6058 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
6059
6060 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
6061 return 0;
6062
6063 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6064 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6065 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6066
f3014c0c 6067 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
b2fadeae
MC
6068 return 0;
6069
6070 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6071 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6072 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6073
6074 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6075 return 0;
6076
6077 return 1;
6078}
6079
b6016b76 6080static void
48b01e2d 6081bnx2_5706_serdes_timer(struct bnx2 *bp)
b6016b76 6082{
b2fadeae
MC
6083 int check_link = 1;
6084
48b01e2d 6085 spin_lock(&bp->phy_lock);
b2fadeae 6086 if (bp->serdes_an_pending) {
48b01e2d 6087 bp->serdes_an_pending--;
b2fadeae
MC
6088 check_link = 0;
6089 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
48b01e2d 6090 u32 bmcr;
b6016b76 6091
ac392abc 6092 bp->current_interval = BNX2_TIMER_INTERVAL;
cd339a0e 6093
ca58c3af 6094 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 6095
48b01e2d 6096 if (bmcr & BMCR_ANENABLE) {
b2fadeae 6097 if (bnx2_5706_serdes_has_link(bp)) {
48b01e2d
MC
6098 bmcr &= ~BMCR_ANENABLE;
6099 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
ca58c3af 6100 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
583c28e5 6101 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d 6102 }
b6016b76 6103 }
48b01e2d
MC
6104 }
6105 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
583c28e5 6106 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
48b01e2d 6107 u32 phy2;
b6016b76 6108
48b01e2d
MC
6109 bnx2_write_phy(bp, 0x17, 0x0f01);
6110 bnx2_read_phy(bp, 0x15, &phy2);
6111 if (phy2 & 0x20) {
6112 u32 bmcr;
cd339a0e 6113
ca58c3af 6114 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
48b01e2d 6115 bmcr |= BMCR_ANENABLE;
ca58c3af 6116 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
b6016b76 6117
583c28e5 6118 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d
MC
6119 }
6120 } else
ac392abc 6121 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6122
a2724e25 6123 if (check_link) {
b2fadeae
MC
6124 u32 val;
6125
6126 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6127 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6128 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6129
a2724e25
MC
6130 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6131 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6132 bnx2_5706s_force_link_dn(bp, 1);
6133 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6134 } else
6135 bnx2_set_link(bp);
6136 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6137 bnx2_set_link(bp);
b2fadeae 6138 }
48b01e2d
MC
6139 spin_unlock(&bp->phy_lock);
6140}
b6016b76 6141
f8dd064e
MC
6142static void
6143bnx2_5708_serdes_timer(struct bnx2 *bp)
6144{
583c28e5 6145 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC
6146 return;
6147
583c28e5 6148 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
f8dd064e
MC
6149 bp->serdes_an_pending = 0;
6150 return;
6151 }
b6016b76 6152
f8dd064e
MC
6153 spin_lock(&bp->phy_lock);
6154 if (bp->serdes_an_pending)
6155 bp->serdes_an_pending--;
6156 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6157 u32 bmcr;
b6016b76 6158
ca58c3af 6159 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
f8dd064e 6160 if (bmcr & BMCR_ANENABLE) {
605a9e20 6161 bnx2_enable_forced_2g5(bp);
40105c0b 6162 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
f8dd064e 6163 } else {
605a9e20 6164 bnx2_disable_forced_2g5(bp);
f8dd064e 6165 bp->serdes_an_pending = 2;
ac392abc 6166 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6167 }
b6016b76 6168
f8dd064e 6169 } else
ac392abc 6170 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6171
f8dd064e
MC
6172 spin_unlock(&bp->phy_lock);
6173}
6174
48b01e2d
MC
6175static void
6176bnx2_timer(unsigned long data)
6177{
6178 struct bnx2 *bp = (struct bnx2 *) data;
b6016b76 6179
48b01e2d
MC
6180 if (!netif_running(bp->dev))
6181 return;
b6016b76 6182
48b01e2d
MC
6183 if (atomic_read(&bp->intr_sem) != 0)
6184 goto bnx2_restart_timer;
b6016b76 6185
efba0180
MC
6186 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6187 BNX2_FLAG_USING_MSI)
6188 bnx2_chk_missed_msi(bp);
6189
df149d70 6190 bnx2_send_heart_beat(bp);
b6016b76 6191
2726d6e1
MC
6192 bp->stats_blk->stat_FwRxDrop =
6193 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
b6016b76 6194
02537b06 6195 /* workaround occasional corrupted counters */
61d9e3fa 6196 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
e503e066
MC
6197 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6198 BNX2_HC_COMMAND_STATS_NOW);
02537b06 6199
583c28e5 6200 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
4ce45e02 6201 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
f8dd064e 6202 bnx2_5706_serdes_timer(bp);
27a005b8 6203 else
f8dd064e 6204 bnx2_5708_serdes_timer(bp);
b6016b76
MC
6205 }
6206
6207bnx2_restart_timer:
cd339a0e 6208 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
6209}
6210
8e6a72c4
MC
6211static int
6212bnx2_request_irq(struct bnx2 *bp)
6213{
6d866ffc 6214 unsigned long flags;
b4b36042
MC
6215 struct bnx2_irq *irq;
6216 int rc = 0, i;
8e6a72c4 6217
f86e82fb 6218 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6d866ffc
MC
6219 flags = 0;
6220 else
6221 flags = IRQF_SHARED;
b4b36042
MC
6222
6223 for (i = 0; i < bp->irq_nvecs; i++) {
6224 irq = &bp->irq_tbl[i];
c76c0475 6225 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
f0ea2e63 6226 &bp->bnx2_napi[i]);
b4b36042
MC
6227 if (rc)
6228 break;
6229 irq->requested = 1;
6230 }
8e6a72c4
MC
6231 return rc;
6232}
6233
6234static void
a29ba9d2 6235__bnx2_free_irq(struct bnx2 *bp)
8e6a72c4 6236{
b4b36042
MC
6237 struct bnx2_irq *irq;
6238 int i;
8e6a72c4 6239
b4b36042
MC
6240 for (i = 0; i < bp->irq_nvecs; i++) {
6241 irq = &bp->irq_tbl[i];
6242 if (irq->requested)
f0ea2e63 6243 free_irq(irq->vector, &bp->bnx2_napi[i]);
b4b36042 6244 irq->requested = 0;
6d866ffc 6245 }
a29ba9d2
MC
6246}
6247
6248static void
6249bnx2_free_irq(struct bnx2 *bp)
6250{
6251
6252 __bnx2_free_irq(bp);
f86e82fb 6253 if (bp->flags & BNX2_FLAG_USING_MSI)
b4b36042 6254 pci_disable_msi(bp->pdev);
f86e82fb 6255 else if (bp->flags & BNX2_FLAG_USING_MSIX)
b4b36042
MC
6256 pci_disable_msix(bp->pdev);
6257
f86e82fb 6258 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
b4b36042
MC
6259}
6260
6261static void
5e9ad9e1 6262bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
b4b36042 6263{
f2a2dfeb 6264 int i, total_vecs;
57851d84 6265 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
4e1d0de9
MC
6266 struct net_device *dev = bp->dev;
6267 const int len = sizeof(bp->irq_tbl[0].name);
57851d84 6268
b4b36042 6269 bnx2_setup_msix_tbl(bp);
e503e066
MC
6270 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6271 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6272 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
57851d84 6273
e2eb8e38
BL
6274 /* Need to flush the previous three writes to ensure MSI-X
6275 * is setup properly */
e503e066 6276 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
e2eb8e38 6277
57851d84
MC
6278 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6279 msix_ent[i].entry = i;
6280 msix_ent[i].vector = 0;
6281 }
6282
379b39a2
MC
6283 total_vecs = msix_vecs;
6284#ifdef BCM_CNIC
6285 total_vecs++;
6286#endif
f2a2dfeb
AG
6287 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
6288 BNX2_MIN_MSIX_VEC, total_vecs);
6289 if (total_vecs < 0)
57851d84
MC
6290 return;
6291
379b39a2
MC
6292 msix_vecs = total_vecs;
6293#ifdef BCM_CNIC
6294 msix_vecs--;
6295#endif
5e9ad9e1 6296 bp->irq_nvecs = msix_vecs;
f86e82fb 6297 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
379b39a2 6298 for (i = 0; i < total_vecs; i++) {
57851d84 6299 bp->irq_tbl[i].vector = msix_ent[i].vector;
69010313
MC
6300 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6301 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6302 }
6d866ffc
MC
6303}
6304
657d92fe 6305static int
6d866ffc
MC
6306bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6307{
0a742128 6308 int cpus = netif_get_num_default_rss_queues();
b033281f
MC
6309 int msix_vecs;
6310
6311 if (!bp->num_req_rx_rings)
6312 msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
6313 else if (!bp->num_req_tx_rings)
6314 msix_vecs = max(cpus, bp->num_req_rx_rings);
6315 else
6316 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
6317
6318 msix_vecs = min(msix_vecs, RX_MAX_RINGS);
5e9ad9e1 6319
6d866ffc
MC
6320 bp->irq_tbl[0].handler = bnx2_interrupt;
6321 strcpy(bp->irq_tbl[0].name, bp->dev->name);
b4b36042
MC
6322 bp->irq_nvecs = 1;
6323 bp->irq_tbl[0].vector = bp->pdev->irq;
6324
3d5f3a7b 6325 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5e9ad9e1 6326 bnx2_enable_msix(bp, msix_vecs);
6d866ffc 6327
f86e82fb
DM
6328 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6329 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6d866ffc 6330 if (pci_enable_msi(bp->pdev) == 0) {
f86e82fb 6331 bp->flags |= BNX2_FLAG_USING_MSI;
4ce45e02 6332 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
f86e82fb 6333 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6d866ffc
MC
6334 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6335 } else
6336 bp->irq_tbl[0].handler = bnx2_msi;
b4b36042
MC
6337
6338 bp->irq_tbl[0].vector = bp->pdev->irq;
6d866ffc
MC
6339 }
6340 }
706bf240 6341
b033281f
MC
6342 if (!bp->num_req_tx_rings)
6343 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6344 else
6345 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
6346
6347 if (!bp->num_req_rx_rings)
6348 bp->num_rx_rings = bp->irq_nvecs;
6349 else
6350 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
6351
657d92fe 6352 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
706bf240 6353
657d92fe 6354 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
8e6a72c4
MC
6355}
6356
b6016b76
MC
6357/* Called with rtnl_lock */
6358static int
6359bnx2_open(struct net_device *dev)
6360{
972ec0d4 6361 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
6362 int rc;
6363
1b2f922f
MC
6364 netif_carrier_off(dev);
6365
b6016b76
MC
6366 bnx2_disable_int(bp);
6367
657d92fe
BH
6368 rc = bnx2_setup_int_mode(bp, disable_msi);
6369 if (rc)
6370 goto open_err;
4327ba43 6371 bnx2_init_napi(bp);
35e9010b 6372 bnx2_napi_enable(bp);
b6016b76 6373 rc = bnx2_alloc_mem(bp);
2739a8bb
MC
6374 if (rc)
6375 goto open_err;
b6016b76 6376
8e6a72c4 6377 rc = bnx2_request_irq(bp);
2739a8bb
MC
6378 if (rc)
6379 goto open_err;
b6016b76 6380
9a120bc5 6381 rc = bnx2_init_nic(bp, 1);
2739a8bb
MC
6382 if (rc)
6383 goto open_err;
6aa20a22 6384
cd339a0e 6385 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
6386
6387 atomic_set(&bp->intr_sem, 0);
6388
354fcd77
MC
6389 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6390
b6016b76
MC
6391 bnx2_enable_int(bp);
6392
f86e82fb 6393 if (bp->flags & BNX2_FLAG_USING_MSI) {
b6016b76
MC
6394 /* Test MSI to make sure it is working
6395 * If MSI test fails, go back to INTx mode
6396 */
6397 if (bnx2_test_intr(bp) != 0) {
3a9c6a49 6398 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
6399
6400 bnx2_disable_int(bp);
8e6a72c4 6401 bnx2_free_irq(bp);
b6016b76 6402
6d866ffc
MC
6403 bnx2_setup_int_mode(bp, 1);
6404
9a120bc5 6405 rc = bnx2_init_nic(bp, 0);
b6016b76 6406
8e6a72c4
MC
6407 if (!rc)
6408 rc = bnx2_request_irq(bp);
6409
b6016b76 6410 if (rc) {
b6016b76 6411 del_timer_sync(&bp->timer);
2739a8bb 6412 goto open_err;
b6016b76
MC
6413 }
6414 bnx2_enable_int(bp);
6415 }
6416 }
f86e82fb 6417 if (bp->flags & BNX2_FLAG_USING_MSI)
3a9c6a49 6418 netdev_info(dev, "using MSI\n");
f86e82fb 6419 else if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49 6420 netdev_info(dev, "using MSIX\n");
b6016b76 6421
706bf240 6422 netif_tx_start_all_queues(dev);
7880b72e 6423out:
6424 return rc;
2739a8bb
MC
6425
6426open_err:
6427 bnx2_napi_disable(bp);
6428 bnx2_free_skbs(bp);
6429 bnx2_free_irq(bp);
6430 bnx2_free_mem(bp);
f048fa9c 6431 bnx2_del_napi(bp);
7880b72e 6432 goto out;
b6016b76
MC
6433}
6434
6435static void
c4028958 6436bnx2_reset_task(struct work_struct *work)
b6016b76 6437{
c4028958 6438 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
cd634019 6439 int rc;
efdfad32 6440 u16 pcicmd;
b6016b76 6441
51bf6bb4
MC
6442 rtnl_lock();
6443 if (!netif_running(bp->dev)) {
6444 rtnl_unlock();
afdc08b9 6445 return;
51bf6bb4 6446 }
afdc08b9 6447
212f9934 6448 bnx2_netif_stop(bp, true);
b6016b76 6449
efdfad32
MC
6450 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
6451 if (!(pcicmd & PCI_COMMAND_MEMORY)) {
6452 /* in case PCI block has reset */
6453 pci_restore_state(bp->pdev);
6454 pci_save_state(bp->pdev);
6455 }
cd634019
MC
6456 rc = bnx2_init_nic(bp, 1);
6457 if (rc) {
6458 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6459 bnx2_napi_enable(bp);
6460 dev_close(bp->dev);
6461 rtnl_unlock();
6462 return;
6463 }
b6016b76
MC
6464
6465 atomic_set(&bp->intr_sem, 1);
212f9934 6466 bnx2_netif_start(bp, true);
51bf6bb4 6467 rtnl_unlock();
b6016b76
MC
6468}
6469
555069da
MC
6470#define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
6471
6472static void
6473bnx2_dump_ftq(struct bnx2 *bp)
6474{
6475 int i;
6476 u32 reg, bdidx, cid, valid;
6477 struct net_device *dev = bp->dev;
6478 static const struct ftq_reg {
6479 char *name;
6480 u32 off;
6481 } ftq_arr[] = {
6482 BNX2_FTQ_ENTRY(RV2P_P),
6483 BNX2_FTQ_ENTRY(RV2P_T),
6484 BNX2_FTQ_ENTRY(RV2P_M),
6485 BNX2_FTQ_ENTRY(TBDR_),
6486 BNX2_FTQ_ENTRY(TDMA_),
6487 BNX2_FTQ_ENTRY(TXP_),
6488 BNX2_FTQ_ENTRY(TXP_),
6489 BNX2_FTQ_ENTRY(TPAT_),
6490 BNX2_FTQ_ENTRY(RXP_C),
6491 BNX2_FTQ_ENTRY(RXP_),
6492 BNX2_FTQ_ENTRY(COM_COMXQ_),
6493 BNX2_FTQ_ENTRY(COM_COMTQ_),
6494 BNX2_FTQ_ENTRY(COM_COMQ_),
6495 BNX2_FTQ_ENTRY(CP_CPQ_),
6496 };
6497
6498 netdev_err(dev, "<--- start FTQ dump --->\n");
6499 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
6500 netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
6501 bnx2_reg_rd_ind(bp, ftq_arr[i].off));
6502
6503 netdev_err(dev, "CPU states:\n");
6504 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
6505 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
6506 reg, bnx2_reg_rd_ind(bp, reg),
6507 bnx2_reg_rd_ind(bp, reg + 4),
6508 bnx2_reg_rd_ind(bp, reg + 8),
6509 bnx2_reg_rd_ind(bp, reg + 0x1c),
6510 bnx2_reg_rd_ind(bp, reg + 0x1c),
6511 bnx2_reg_rd_ind(bp, reg + 0x20));
6512
6513 netdev_err(dev, "<--- end FTQ dump --->\n");
6514 netdev_err(dev, "<--- start TBDC dump --->\n");
6515 netdev_err(dev, "TBDC free cnt: %ld\n",
e503e066 6516 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
555069da
MC
6517 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
6518 for (i = 0; i < 0x20; i++) {
6519 int j = 0;
6520
e503e066
MC
6521 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
6522 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
6523 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
6524 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
6525 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
555069da
MC
6526 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
6527 j++;
6528
e503e066
MC
6529 cid = BNX2_RD(bp, BNX2_TBDC_CID);
6530 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
6531 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
555069da
MC
6532 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
6533 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
6534 bdidx >> 24, (valid >> 8) & 0x0ff);
6535 }
6536 netdev_err(dev, "<--- end TBDC dump --->\n");
6537}
6538
20175c57
MC
6539static void
6540bnx2_dump_state(struct bnx2 *bp)
6541{
6542 struct net_device *dev = bp->dev;
ecdbf6e0 6543 u32 val1, val2;
5804a8fb
MC
6544
6545 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6546 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6547 atomic_read(&bp->intr_sem), val1);
6548 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6549 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6550 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
b98eba52 6551 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
e503e066
MC
6552 BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
6553 BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
b98eba52 6554 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
e503e066 6555 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
3a9c6a49 6556 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
e503e066 6557 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
20175c57 6558 if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49 6559 netdev_err(dev, "DEBUG: PBA[%08x]\n",
e503e066 6560 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
20175c57
MC
6561}
6562
b6016b76
MC
6563static void
6564bnx2_tx_timeout(struct net_device *dev)
6565{
972ec0d4 6566 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6567
555069da 6568 bnx2_dump_ftq(bp);
20175c57 6569 bnx2_dump_state(bp);
ecdbf6e0 6570 bnx2_dump_mcp_state(bp);
20175c57 6571
b6016b76
MC
6572 /* This allows the netif to be shutdown gracefully before resetting */
6573 schedule_work(&bp->reset_task);
6574}
6575
932ff279 6576/* Called with netif_tx_lock.
2f8af120
MC
6577 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6578 * netif_wake_queue().
b6016b76 6579 */
61357325 6580static netdev_tx_t
b6016b76
MC
6581bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6582{
972ec0d4 6583 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6584 dma_addr_t mapping;
2bc4078e
MC
6585 struct bnx2_tx_bd *txbd;
6586 struct bnx2_sw_tx_bd *tx_buf;
b6016b76
MC
6587 u32 len, vlan_tag_flags, last_frag, mss;
6588 u16 prod, ring_prod;
6589 int i;
706bf240
BL
6590 struct bnx2_napi *bnapi;
6591 struct bnx2_tx_ring_info *txr;
6592 struct netdev_queue *txq;
6593
6594 /* Determine which tx ring we will be placed on */
6595 i = skb_get_queue_mapping(skb);
6596 bnapi = &bp->bnx2_napi[i];
6597 txr = &bnapi->tx_ring;
6598 txq = netdev_get_tx_queue(dev, i);
b6016b76 6599
35e9010b 6600 if (unlikely(bnx2_tx_avail(bp, txr) <
a550c99b 6601 (skb_shinfo(skb)->nr_frags + 1))) {
706bf240 6602 netif_tx_stop_queue(txq);
3a9c6a49 6603 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
b6016b76
MC
6604
6605 return NETDEV_TX_BUSY;
6606 }
6607 len = skb_headlen(skb);
35e9010b 6608 prod = txr->tx_prod;
2bc4078e 6609 ring_prod = BNX2_TX_RING_IDX(prod);
b6016b76
MC
6610
6611 vlan_tag_flags = 0;
84fa7933 6612 if (skb->ip_summed == CHECKSUM_PARTIAL) {
b6016b76
MC
6613 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6614 }
6615
df8a39de 6616 if (skb_vlan_tag_present(skb)) {
b6016b76 6617 vlan_tag_flags |=
df8a39de 6618 (TX_BD_FLAGS_VLAN_TAG | (skb_vlan_tag_get(skb) << 16));
b6016b76 6619 }
7d0fd211 6620
fde82055 6621 if ((mss = skb_shinfo(skb)->gso_size)) {
a1efb4b6 6622 u32 tcp_opt_len;
eddc9ec5 6623 struct iphdr *iph;
b6016b76 6624
b6016b76
MC
6625 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6626
4666f87a
MC
6627 tcp_opt_len = tcp_optlen(skb);
6628
6629 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6630 u32 tcp_off = skb_transport_offset(skb) -
6631 sizeof(struct ipv6hdr) - ETH_HLEN;
ab6a5bb6 6632
4666f87a
MC
6633 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6634 TX_BD_FLAGS_SW_FLAGS;
6635 if (likely(tcp_off == 0))
6636 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6637 else {
6638 tcp_off >>= 3;
6639 vlan_tag_flags |= ((tcp_off & 0x3) <<
6640 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6641 ((tcp_off & 0x10) <<
6642 TX_BD_FLAGS_TCP6_OFF4_SHL);
6643 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6644 }
6645 } else {
4666f87a 6646 iph = ip_hdr(skb);
4666f87a
MC
6647 if (tcp_opt_len || (iph->ihl > 5)) {
6648 vlan_tag_flags |= ((iph->ihl - 5) +
6649 (tcp_opt_len >> 2)) << 8;
6650 }
b6016b76 6651 }
4666f87a 6652 } else
b6016b76 6653 mss = 0;
b6016b76 6654
36227e88
SG
6655 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6656 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
f458b2ee 6657 dev_kfree_skb_any(skb);
3d16af86
BL
6658 return NETDEV_TX_OK;
6659 }
6660
35e9010b 6661 tx_buf = &txr->tx_buf_ring[ring_prod];
b6016b76 6662 tx_buf->skb = skb;
1a4ccc2d 6663 dma_unmap_addr_set(tx_buf, mapping, mapping);
b6016b76 6664
35e9010b 6665 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC
6666
6667 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6668 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6669 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6670 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6671
6672 last_frag = skb_shinfo(skb)->nr_frags;
d62fda08
ED
6673 tx_buf->nr_frags = last_frag;
6674 tx_buf->is_gso = skb_is_gso(skb);
b6016b76
MC
6675
6676 for (i = 0; i < last_frag; i++) {
9e903e08 6677 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
b6016b76 6678
2bc4078e
MC
6679 prod = BNX2_NEXT_TX_BD(prod);
6680 ring_prod = BNX2_TX_RING_IDX(prod);
35e9010b 6681 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76 6682
9e903e08 6683 len = skb_frag_size(frag);
b7b6a688 6684 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
5d6bcdfe 6685 DMA_TO_DEVICE);
36227e88 6686 if (dma_mapping_error(&bp->pdev->dev, mapping))
e95524a7 6687 goto dma_error;
1a4ccc2d 6688 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
e95524a7 6689 mapping);
b6016b76
MC
6690
6691 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6692 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6693 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6694 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6695
6696 }
6697 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6698
94bf91ba
VZ
6699 /* Sync BD data before updating TX mailbox */
6700 wmb();
6701
e9831909
ED
6702 netdev_tx_sent_queue(txq, skb->len);
6703
2bc4078e 6704 prod = BNX2_NEXT_TX_BD(prod);
35e9010b 6705 txr->tx_prod_bseq += skb->len;
b6016b76 6706
e503e066
MC
6707 BNX2_WR16(bp, txr->tx_bidx_addr, prod);
6708 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC
6709
6710 mmiowb();
6711
35e9010b 6712 txr->tx_prod = prod;
b6016b76 6713
35e9010b 6714 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
706bf240 6715 netif_tx_stop_queue(txq);
11848b96
MC
6716
6717 /* netif_tx_stop_queue() must be done before checking
6718 * tx index in bnx2_tx_avail() below, because in
6719 * bnx2_tx_int(), we update tx index before checking for
6720 * netif_tx_queue_stopped().
6721 */
6722 smp_mb();
35e9010b 6723 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
706bf240 6724 netif_tx_wake_queue(txq);
b6016b76
MC
6725 }
6726
e95524a7
AD
6727 return NETDEV_TX_OK;
6728dma_error:
6729 /* save value of frag that failed */
6730 last_frag = i;
6731
6732 /* start back at beginning and unmap skb */
6733 prod = txr->tx_prod;
2bc4078e 6734 ring_prod = BNX2_TX_RING_IDX(prod);
e95524a7
AD
6735 tx_buf = &txr->tx_buf_ring[ring_prod];
6736 tx_buf->skb = NULL;
36227e88 6737 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7
AD
6738 skb_headlen(skb), PCI_DMA_TODEVICE);
6739
6740 /* unmap remaining mapped pages */
6741 for (i = 0; i < last_frag; i++) {
2bc4078e
MC
6742 prod = BNX2_NEXT_TX_BD(prod);
6743 ring_prod = BNX2_TX_RING_IDX(prod);
e95524a7 6744 tx_buf = &txr->tx_buf_ring[ring_prod];
36227e88 6745 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
9e903e08 6746 skb_frag_size(&skb_shinfo(skb)->frags[i]),
e95524a7
AD
6747 PCI_DMA_TODEVICE);
6748 }
6749
f458b2ee 6750 dev_kfree_skb_any(skb);
b6016b76
MC
6751 return NETDEV_TX_OK;
6752}
6753
6754/* Called with rtnl_lock */
6755static int
6756bnx2_close(struct net_device *dev)
6757{
972ec0d4 6758 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6759
bea3348e 6760 bnx2_disable_int_sync(bp);
35efa7c1 6761 bnx2_napi_disable(bp);
d2e553bc 6762 netif_tx_disable(dev);
b6016b76 6763 del_timer_sync(&bp->timer);
74bf4ba3 6764 bnx2_shutdown_chip(bp);
8e6a72c4 6765 bnx2_free_irq(bp);
b6016b76
MC
6766 bnx2_free_skbs(bp);
6767 bnx2_free_mem(bp);
f048fa9c 6768 bnx2_del_napi(bp);
b6016b76
MC
6769 bp->link_up = 0;
6770 netif_carrier_off(bp->dev);
b6016b76
MC
6771 return 0;
6772}
6773
354fcd77
MC
6774static void
6775bnx2_save_stats(struct bnx2 *bp)
6776{
6777 u32 *hw_stats = (u32 *) bp->stats_blk;
6778 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6779 int i;
6780
6781 /* The 1st 10 counters are 64-bit counters */
6782 for (i = 0; i < 20; i += 2) {
6783 u32 hi;
6784 u64 lo;
6785
c9885fe5
PR
6786 hi = temp_stats[i] + hw_stats[i];
6787 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
354fcd77
MC
6788 if (lo > 0xffffffff)
6789 hi++;
c9885fe5
PR
6790 temp_stats[i] = hi;
6791 temp_stats[i + 1] = lo & 0xffffffff;
354fcd77
MC
6792 }
6793
6794 for ( ; i < sizeof(struct statistics_block) / 4; i++)
c9885fe5 6795 temp_stats[i] += hw_stats[i];
354fcd77
MC
6796}
6797
5d07bf26
ED
6798#define GET_64BIT_NET_STATS64(ctr) \
6799 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
b6016b76 6800
a4743058 6801#define GET_64BIT_NET_STATS(ctr) \
354fcd77
MC
6802 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6803 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
b6016b76 6804
a4743058 6805#define GET_32BIT_NET_STATS(ctr) \
354fcd77
MC
6806 (unsigned long) (bp->stats_blk->ctr + \
6807 bp->temp_stats_blk->ctr)
a4743058 6808
5d07bf26
ED
6809static struct rtnl_link_stats64 *
6810bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
b6016b76 6811{
972ec0d4 6812 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6813
5d07bf26 6814 if (bp->stats_blk == NULL)
b6016b76 6815 return net_stats;
5d07bf26 6816
b6016b76 6817 net_stats->rx_packets =
a4743058
MC
6818 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6819 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6820 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
b6016b76
MC
6821
6822 net_stats->tx_packets =
a4743058
MC
6823 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6824 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6825 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
b6016b76
MC
6826
6827 net_stats->rx_bytes =
a4743058 6828 GET_64BIT_NET_STATS(stat_IfHCInOctets);
b6016b76
MC
6829
6830 net_stats->tx_bytes =
a4743058 6831 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
b6016b76 6832
6aa20a22 6833 net_stats->multicast =
6fdae995 6834 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
b6016b76 6835
6aa20a22 6836 net_stats->collisions =
a4743058 6837 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
b6016b76 6838
6aa20a22 6839 net_stats->rx_length_errors =
a4743058
MC
6840 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6841 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
b6016b76 6842
6aa20a22 6843 net_stats->rx_over_errors =
a4743058
MC
6844 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6845 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
b6016b76 6846
6aa20a22 6847 net_stats->rx_frame_errors =
a4743058 6848 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
b6016b76 6849
6aa20a22 6850 net_stats->rx_crc_errors =
a4743058 6851 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
b6016b76
MC
6852
6853 net_stats->rx_errors = net_stats->rx_length_errors +
6854 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6855 net_stats->rx_crc_errors;
6856
6857 net_stats->tx_aborted_errors =
a4743058
MC
6858 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6859 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
b6016b76 6860
4ce45e02
MC
6861 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
6862 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
b6016b76
MC
6863 net_stats->tx_carrier_errors = 0;
6864 else {
6865 net_stats->tx_carrier_errors =
a4743058 6866 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
b6016b76
MC
6867 }
6868
6869 net_stats->tx_errors =
a4743058 6870 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
b6016b76
MC
6871 net_stats->tx_aborted_errors +
6872 net_stats->tx_carrier_errors;
6873
cea94db9 6874 net_stats->rx_missed_errors =
a4743058
MC
6875 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6876 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6877 GET_32BIT_NET_STATS(stat_FwRxDrop);
cea94db9 6878
b6016b76
MC
6879 return net_stats;
6880}
6881
6882/* All ethtool functions called with rtnl_lock */
6883
6884static int
6885bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6886{
972ec0d4 6887 struct bnx2 *bp = netdev_priv(dev);
7b6b8347 6888 int support_serdes = 0, support_copper = 0;
b6016b76
MC
6889
6890 cmd->supported = SUPPORTED_Autoneg;
583c28e5 6891 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC
6892 support_serdes = 1;
6893 support_copper = 1;
6894 } else if (bp->phy_port == PORT_FIBRE)
6895 support_serdes = 1;
6896 else
6897 support_copper = 1;
6898
6899 if (support_serdes) {
b6016b76
MC
6900 cmd->supported |= SUPPORTED_1000baseT_Full |
6901 SUPPORTED_FIBRE;
583c28e5 6902 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
605a9e20 6903 cmd->supported |= SUPPORTED_2500baseX_Full;
b6016b76 6904
b6016b76 6905 }
7b6b8347 6906 if (support_copper) {
b6016b76
MC
6907 cmd->supported |= SUPPORTED_10baseT_Half |
6908 SUPPORTED_10baseT_Full |
6909 SUPPORTED_100baseT_Half |
6910 SUPPORTED_100baseT_Full |
6911 SUPPORTED_1000baseT_Full |
6912 SUPPORTED_TP;
6913
b6016b76
MC
6914 }
6915
7b6b8347
MC
6916 spin_lock_bh(&bp->phy_lock);
6917 cmd->port = bp->phy_port;
b6016b76
MC
6918 cmd->advertising = bp->advertising;
6919
6920 if (bp->autoneg & AUTONEG_SPEED) {
6921 cmd->autoneg = AUTONEG_ENABLE;
70739497 6922 } else {
b6016b76
MC
6923 cmd->autoneg = AUTONEG_DISABLE;
6924 }
6925
6926 if (netif_carrier_ok(dev)) {
70739497 6927 ethtool_cmd_speed_set(cmd, bp->line_speed);
b6016b76 6928 cmd->duplex = bp->duplex;
4016badd
MC
6929 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
6930 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
6931 cmd->eth_tp_mdix = ETH_TP_MDI_X;
6932 else
6933 cmd->eth_tp_mdix = ETH_TP_MDI;
6934 }
b6016b76
MC
6935 }
6936 else {
537fae01
JP
6937 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
6938 cmd->duplex = DUPLEX_UNKNOWN;
b6016b76 6939 }
7b6b8347 6940 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
6941
6942 cmd->transceiver = XCVR_INTERNAL;
6943 cmd->phy_address = bp->phy_addr;
6944
6945 return 0;
6946}
6aa20a22 6947
b6016b76
MC
6948static int
6949bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6950{
972ec0d4 6951 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
6952 u8 autoneg = bp->autoneg;
6953 u8 req_duplex = bp->req_duplex;
6954 u16 req_line_speed = bp->req_line_speed;
6955 u32 advertising = bp->advertising;
7b6b8347
MC
6956 int err = -EINVAL;
6957
6958 spin_lock_bh(&bp->phy_lock);
6959
6960 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6961 goto err_out_unlock;
6962
583c28e5
MC
6963 if (cmd->port != bp->phy_port &&
6964 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
7b6b8347 6965 goto err_out_unlock;
b6016b76 6966
d6b14486
MC
6967 /* If device is down, we can store the settings only if the user
6968 * is setting the currently active port.
6969 */
6970 if (!netif_running(dev) && cmd->port != bp->phy_port)
6971 goto err_out_unlock;
6972
b6016b76
MC
6973 if (cmd->autoneg == AUTONEG_ENABLE) {
6974 autoneg |= AUTONEG_SPEED;
6975
beb499af
MC
6976 advertising = cmd->advertising;
6977 if (cmd->port == PORT_TP) {
6978 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6979 if (!advertising)
b6016b76 6980 advertising = ETHTOOL_ALL_COPPER_SPEED;
beb499af
MC
6981 } else {
6982 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6983 if (!advertising)
6984 advertising = ETHTOOL_ALL_FIBRE_SPEED;
b6016b76
MC
6985 }
6986 advertising |= ADVERTISED_Autoneg;
6987 }
6988 else {
25db0338 6989 u32 speed = ethtool_cmd_speed(cmd);
7b6b8347 6990 if (cmd->port == PORT_FIBRE) {
25db0338
DD
6991 if ((speed != SPEED_1000 &&
6992 speed != SPEED_2500) ||
80be4434 6993 (cmd->duplex != DUPLEX_FULL))
7b6b8347 6994 goto err_out_unlock;
80be4434 6995
25db0338 6996 if (speed == SPEED_2500 &&
583c28e5 6997 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
7b6b8347 6998 goto err_out_unlock;
25db0338 6999 } else if (speed == SPEED_1000 || speed == SPEED_2500)
7b6b8347
MC
7000 goto err_out_unlock;
7001
b6016b76 7002 autoneg &= ~AUTONEG_SPEED;
25db0338 7003 req_line_speed = speed;
b6016b76
MC
7004 req_duplex = cmd->duplex;
7005 advertising = 0;
7006 }
7007
7008 bp->autoneg = autoneg;
7009 bp->advertising = advertising;
7010 bp->req_line_speed = req_line_speed;
7011 bp->req_duplex = req_duplex;
7012
d6b14486
MC
7013 err = 0;
7014 /* If device is down, the new settings will be picked up when it is
7015 * brought up.
7016 */
7017 if (netif_running(dev))
7018 err = bnx2_setup_phy(bp, cmd->port);
b6016b76 7019
7b6b8347 7020err_out_unlock:
c770a65c 7021 spin_unlock_bh(&bp->phy_lock);
b6016b76 7022
7b6b8347 7023 return err;
b6016b76
MC
7024}
7025
7026static void
7027bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7028{
972ec0d4 7029 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7030
68aad78c
RJ
7031 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
7032 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
7033 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
7034 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
b6016b76
MC
7035}
7036
244ac4f4
MC
7037#define BNX2_REGDUMP_LEN (32 * 1024)
7038
7039static int
7040bnx2_get_regs_len(struct net_device *dev)
7041{
7042 return BNX2_REGDUMP_LEN;
7043}
7044
7045static void
7046bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
7047{
7048 u32 *p = _p, i, offset;
7049 u8 *orig_p = _p;
7050 struct bnx2 *bp = netdev_priv(dev);
b6bc7650
JP
7051 static const u32 reg_boundaries[] = {
7052 0x0000, 0x0098, 0x0400, 0x045c,
7053 0x0800, 0x0880, 0x0c00, 0x0c10,
7054 0x0c30, 0x0d08, 0x1000, 0x101c,
7055 0x1040, 0x1048, 0x1080, 0x10a4,
7056 0x1400, 0x1490, 0x1498, 0x14f0,
7057 0x1500, 0x155c, 0x1580, 0x15dc,
7058 0x1600, 0x1658, 0x1680, 0x16d8,
7059 0x1800, 0x1820, 0x1840, 0x1854,
7060 0x1880, 0x1894, 0x1900, 0x1984,
7061 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
7062 0x1c80, 0x1c94, 0x1d00, 0x1d84,
7063 0x2000, 0x2030, 0x23c0, 0x2400,
7064 0x2800, 0x2820, 0x2830, 0x2850,
7065 0x2b40, 0x2c10, 0x2fc0, 0x3058,
7066 0x3c00, 0x3c94, 0x4000, 0x4010,
7067 0x4080, 0x4090, 0x43c0, 0x4458,
7068 0x4c00, 0x4c18, 0x4c40, 0x4c54,
7069 0x4fc0, 0x5010, 0x53c0, 0x5444,
7070 0x5c00, 0x5c18, 0x5c80, 0x5c90,
7071 0x5fc0, 0x6000, 0x6400, 0x6428,
7072 0x6800, 0x6848, 0x684c, 0x6860,
7073 0x6888, 0x6910, 0x8000
7074 };
244ac4f4
MC
7075
7076 regs->version = 0;
7077
7078 memset(p, 0, BNX2_REGDUMP_LEN);
7079
7080 if (!netif_running(bp->dev))
7081 return;
7082
7083 i = 0;
7084 offset = reg_boundaries[0];
7085 p += offset;
7086 while (offset < BNX2_REGDUMP_LEN) {
e503e066 7087 *p++ = BNX2_RD(bp, offset);
244ac4f4
MC
7088 offset += 4;
7089 if (offset == reg_boundaries[i + 1]) {
7090 offset = reg_boundaries[i + 2];
7091 p = (u32 *) (orig_p + offset);
7092 i += 2;
7093 }
7094 }
7095}
7096
b6016b76
MC
7097static void
7098bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7099{
972ec0d4 7100 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7101
f86e82fb 7102 if (bp->flags & BNX2_FLAG_NO_WOL) {
b6016b76
MC
7103 wol->supported = 0;
7104 wol->wolopts = 0;
7105 }
7106 else {
7107 wol->supported = WAKE_MAGIC;
7108 if (bp->wol)
7109 wol->wolopts = WAKE_MAGIC;
7110 else
7111 wol->wolopts = 0;
7112 }
7113 memset(&wol->sopass, 0, sizeof(wol->sopass));
7114}
7115
7116static int
7117bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7118{
972ec0d4 7119 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7120
7121 if (wol->wolopts & ~WAKE_MAGIC)
7122 return -EINVAL;
7123
7124 if (wol->wolopts & WAKE_MAGIC) {
f86e82fb 7125 if (bp->flags & BNX2_FLAG_NO_WOL)
b6016b76
MC
7126 return -EINVAL;
7127
7128 bp->wol = 1;
7129 }
7130 else {
7131 bp->wol = 0;
7132 }
6d5e85c7
MC
7133
7134 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
7135
b6016b76
MC
7136 return 0;
7137}
7138
7139static int
7140bnx2_nway_reset(struct net_device *dev)
7141{
972ec0d4 7142 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7143 u32 bmcr;
7144
9f52b564
MC
7145 if (!netif_running(dev))
7146 return -EAGAIN;
7147
b6016b76
MC
7148 if (!(bp->autoneg & AUTONEG_SPEED)) {
7149 return -EINVAL;
7150 }
7151
c770a65c 7152 spin_lock_bh(&bp->phy_lock);
b6016b76 7153
583c28e5 7154 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC
7155 int rc;
7156
7157 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7158 spin_unlock_bh(&bp->phy_lock);
7159 return rc;
7160 }
7161
b6016b76 7162 /* Force a link down visible on the other side */
583c28e5 7163 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
ca58c3af 7164 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
c770a65c 7165 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7166
7167 msleep(20);
7168
c770a65c 7169 spin_lock_bh(&bp->phy_lock);
f8dd064e 7170
40105c0b 7171 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC
7172 bp->serdes_an_pending = 1;
7173 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC
7174 }
7175
ca58c3af 7176 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 7177 bmcr &= ~BMCR_LOOPBACK;
ca58c3af 7178 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
b6016b76 7179
c770a65c 7180 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7181
7182 return 0;
7183}
7184
7959ea25
ON
7185static u32
7186bnx2_get_link(struct net_device *dev)
7187{
7188 struct bnx2 *bp = netdev_priv(dev);
7189
7190 return bp->link_up;
7191}
7192
b6016b76
MC
7193static int
7194bnx2_get_eeprom_len(struct net_device *dev)
7195{
972ec0d4 7196 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7197
1122db71 7198 if (bp->flash_info == NULL)
b6016b76
MC
7199 return 0;
7200
1122db71 7201 return (int) bp->flash_size;
b6016b76
MC
7202}
7203
7204static int
7205bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7206 u8 *eebuf)
7207{
972ec0d4 7208 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7209 int rc;
7210
1064e944 7211 /* parameters already validated in ethtool_get_eeprom */
b6016b76
MC
7212
7213 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7214
7215 return rc;
7216}
7217
7218static int
7219bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7220 u8 *eebuf)
7221{
972ec0d4 7222 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7223 int rc;
7224
1064e944 7225 /* parameters already validated in ethtool_set_eeprom */
b6016b76
MC
7226
7227 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7228
7229 return rc;
7230}
7231
7232static int
7233bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7234{
972ec0d4 7235 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7236
7237 memset(coal, 0, sizeof(struct ethtool_coalesce));
7238
7239 coal->rx_coalesce_usecs = bp->rx_ticks;
7240 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7241 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7242 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7243
7244 coal->tx_coalesce_usecs = bp->tx_ticks;
7245 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7246 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7247 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7248
7249 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7250
7251 return 0;
7252}
7253
7254static int
7255bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7256{
972ec0d4 7257 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7258
7259 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7260 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7261
6aa20a22 7262 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
b6016b76
MC
7263 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7264
7265 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7266 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7267
7268 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7269 if (bp->rx_quick_cons_trip_int > 0xff)
7270 bp->rx_quick_cons_trip_int = 0xff;
7271
7272 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7273 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7274
7275 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7276 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7277
7278 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7279 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7280
7281 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7282 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7283 0xff;
7284
7285 bp->stats_ticks = coal->stats_block_coalesce_usecs;
61d9e3fa 7286 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
02537b06
MC
7287 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7288 bp->stats_ticks = USEC_PER_SEC;
7289 }
7ea6920e
MC
7290 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7291 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7292 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76
MC
7293
7294 if (netif_running(bp->dev)) {
212f9934 7295 bnx2_netif_stop(bp, true);
9a120bc5 7296 bnx2_init_nic(bp, 0);
212f9934 7297 bnx2_netif_start(bp, true);
b6016b76
MC
7298 }
7299
7300 return 0;
7301}
7302
7303static void
7304bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7305{
972ec0d4 7306 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7307
2bc4078e
MC
7308 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
7309 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
b6016b76
MC
7310
7311 ering->rx_pending = bp->rx_ring_size;
47bf4246 7312 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
b6016b76 7313
2bc4078e 7314 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
b6016b76
MC
7315 ering->tx_pending = bp->tx_ring_size;
7316}
7317
7318static int
b033281f 7319bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
b6016b76 7320{
13daffa2 7321 if (netif_running(bp->dev)) {
354fcd77
MC
7322 /* Reset will erase chipset stats; save them */
7323 bnx2_save_stats(bp);
7324
212f9934 7325 bnx2_netif_stop(bp, true);
13daffa2 7326 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
b033281f
MC
7327 if (reset_irq) {
7328 bnx2_free_irq(bp);
7329 bnx2_del_napi(bp);
7330 } else {
7331 __bnx2_free_irq(bp);
7332 }
13daffa2
MC
7333 bnx2_free_skbs(bp);
7334 bnx2_free_mem(bp);
7335 }
7336
5d5d0015
MC
7337 bnx2_set_rx_ring_size(bp, rx);
7338 bp->tx_ring_size = tx;
b6016b76
MC
7339
7340 if (netif_running(bp->dev)) {
b033281f
MC
7341 int rc = 0;
7342
7343 if (reset_irq) {
7344 rc = bnx2_setup_int_mode(bp, disable_msi);
7345 bnx2_init_napi(bp);
7346 }
7347
7348 if (!rc)
7349 rc = bnx2_alloc_mem(bp);
13daffa2 7350
a29ba9d2
MC
7351 if (!rc)
7352 rc = bnx2_request_irq(bp);
7353
6fefb65e
MC
7354 if (!rc)
7355 rc = bnx2_init_nic(bp, 0);
7356
7357 if (rc) {
7358 bnx2_napi_enable(bp);
7359 dev_close(bp->dev);
13daffa2 7360 return rc;
6fefb65e 7361 }
e9f26c49
MC
7362#ifdef BCM_CNIC
7363 mutex_lock(&bp->cnic_lock);
7364 /* Let cnic know about the new status block. */
7365 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7366 bnx2_setup_cnic_irq_info(bp);
7367 mutex_unlock(&bp->cnic_lock);
7368#endif
212f9934 7369 bnx2_netif_start(bp, true);
b6016b76 7370 }
b6016b76
MC
7371 return 0;
7372}
7373
5d5d0015
MC
7374static int
7375bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7376{
7377 struct bnx2 *bp = netdev_priv(dev);
7378 int rc;
7379
2bc4078e
MC
7380 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
7381 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
5d5d0015
MC
7382 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7383
7384 return -EINVAL;
7385 }
b033281f
MC
7386 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
7387 false);
5d5d0015
MC
7388 return rc;
7389}
7390
b6016b76
MC
7391static void
7392bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7393{
972ec0d4 7394 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7395
7396 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7397 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7398 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7399}
7400
7401static int
7402bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7403{
972ec0d4 7404 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7405
7406 bp->req_flow_ctrl = 0;
7407 if (epause->rx_pause)
7408 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7409 if (epause->tx_pause)
7410 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7411
7412 if (epause->autoneg) {
7413 bp->autoneg |= AUTONEG_FLOW_CTRL;
7414 }
7415 else {
7416 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7417 }
7418
9f52b564
MC
7419 if (netif_running(dev)) {
7420 spin_lock_bh(&bp->phy_lock);
7421 bnx2_setup_phy(bp, bp->phy_port);
7422 spin_unlock_bh(&bp->phy_lock);
7423 }
b6016b76
MC
7424
7425 return 0;
7426}
7427
14ab9b86 7428static struct {
b6016b76 7429 char string[ETH_GSTRING_LEN];
790dab2f 7430} bnx2_stats_str_arr[] = {
b6016b76
MC
7431 { "rx_bytes" },
7432 { "rx_error_bytes" },
7433 { "tx_bytes" },
7434 { "tx_error_bytes" },
7435 { "rx_ucast_packets" },
7436 { "rx_mcast_packets" },
7437 { "rx_bcast_packets" },
7438 { "tx_ucast_packets" },
7439 { "tx_mcast_packets" },
7440 { "tx_bcast_packets" },
7441 { "tx_mac_errors" },
7442 { "tx_carrier_errors" },
7443 { "rx_crc_errors" },
7444 { "rx_align_errors" },
7445 { "tx_single_collisions" },
7446 { "tx_multi_collisions" },
7447 { "tx_deferred" },
7448 { "tx_excess_collisions" },
7449 { "tx_late_collisions" },
7450 { "tx_total_collisions" },
7451 { "rx_fragments" },
7452 { "rx_jabbers" },
7453 { "rx_undersize_packets" },
7454 { "rx_oversize_packets" },
7455 { "rx_64_byte_packets" },
7456 { "rx_65_to_127_byte_packets" },
7457 { "rx_128_to_255_byte_packets" },
7458 { "rx_256_to_511_byte_packets" },
7459 { "rx_512_to_1023_byte_packets" },
7460 { "rx_1024_to_1522_byte_packets" },
7461 { "rx_1523_to_9022_byte_packets" },
7462 { "tx_64_byte_packets" },
7463 { "tx_65_to_127_byte_packets" },
7464 { "tx_128_to_255_byte_packets" },
7465 { "tx_256_to_511_byte_packets" },
7466 { "tx_512_to_1023_byte_packets" },
7467 { "tx_1024_to_1522_byte_packets" },
7468 { "tx_1523_to_9022_byte_packets" },
7469 { "rx_xon_frames" },
7470 { "rx_xoff_frames" },
7471 { "tx_xon_frames" },
7472 { "tx_xoff_frames" },
7473 { "rx_mac_ctrl_frames" },
7474 { "rx_filtered_packets" },
790dab2f 7475 { "rx_ftq_discards" },
b6016b76 7476 { "rx_discards" },
cea94db9 7477 { "rx_fw_discards" },
b6016b76
MC
7478};
7479
0db83cd8 7480#define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
790dab2f 7481
b6016b76
MC
7482#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7483
f71e1309 7484static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC
7485 STATS_OFFSET32(stat_IfHCInOctets_hi),
7486 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7487 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7488 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7489 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7490 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7491 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7492 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7493 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7494 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7495 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6aa20a22
JG
7496 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7497 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7498 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7499 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7500 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7501 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7502 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7503 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7504 STATS_OFFSET32(stat_EtherStatsCollisions),
7505 STATS_OFFSET32(stat_EtherStatsFragments),
7506 STATS_OFFSET32(stat_EtherStatsJabbers),
7507 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7508 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7509 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7510 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7511 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7512 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7513 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7514 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7515 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7516 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7517 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7518 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7519 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7520 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7521 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7522 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7523 STATS_OFFSET32(stat_XonPauseFramesReceived),
7524 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7525 STATS_OFFSET32(stat_OutXonSent),
7526 STATS_OFFSET32(stat_OutXoffSent),
7527 STATS_OFFSET32(stat_MacControlFramesReceived),
7528 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
790dab2f 7529 STATS_OFFSET32(stat_IfInFTQDiscards),
6aa20a22 7530 STATS_OFFSET32(stat_IfInMBUFDiscards),
cea94db9 7531 STATS_OFFSET32(stat_FwRxDrop),
b6016b76
MC
7532};
7533
7534/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7535 * skipped because of errata.
6aa20a22 7536 */
14ab9b86 7537static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC
7538 8,0,8,8,8,8,8,8,8,8,
7539 4,0,4,4,4,4,4,4,4,4,
7540 4,4,4,4,4,4,4,4,4,4,
7541 4,4,4,4,4,4,4,4,4,4,
790dab2f 7542 4,4,4,4,4,4,4,
b6016b76
MC
7543};
7544
5b0c76ad
MC
7545static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7546 8,0,8,8,8,8,8,8,8,8,
7547 4,4,4,4,4,4,4,4,4,4,
7548 4,4,4,4,4,4,4,4,4,4,
7549 4,4,4,4,4,4,4,4,4,4,
790dab2f 7550 4,4,4,4,4,4,4,
5b0c76ad
MC
7551};
7552
b6016b76
MC
7553#define BNX2_NUM_TESTS 6
7554
14ab9b86 7555static struct {
b6016b76
MC
7556 char string[ETH_GSTRING_LEN];
7557} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7558 { "register_test (offline)" },
7559 { "memory_test (offline)" },
7560 { "loopback_test (offline)" },
7561 { "nvram_test (online)" },
7562 { "interrupt_test (online)" },
7563 { "link_test (online)" },
7564};
7565
7566static int
b9f2c044 7567bnx2_get_sset_count(struct net_device *dev, int sset)
b6016b76 7568{
b9f2c044
JG
7569 switch (sset) {
7570 case ETH_SS_TEST:
7571 return BNX2_NUM_TESTS;
7572 case ETH_SS_STATS:
7573 return BNX2_NUM_STATS;
7574 default:
7575 return -EOPNOTSUPP;
7576 }
b6016b76
MC
7577}
7578
7579static void
7580bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7581{
972ec0d4 7582 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7583
7584 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7585 if (etest->flags & ETH_TEST_FL_OFFLINE) {
80be4434
MC
7586 int i;
7587
212f9934 7588 bnx2_netif_stop(bp, true);
b6016b76
MC
7589 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7590 bnx2_free_skbs(bp);
7591
7592 if (bnx2_test_registers(bp) != 0) {
7593 buf[0] = 1;
7594 etest->flags |= ETH_TEST_FL_FAILED;
7595 }
7596 if (bnx2_test_memory(bp) != 0) {
7597 buf[1] = 1;
7598 etest->flags |= ETH_TEST_FL_FAILED;
7599 }
bc5a0690 7600 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
b6016b76 7601 etest->flags |= ETH_TEST_FL_FAILED;
b6016b76 7602
9f52b564
MC
7603 if (!netif_running(bp->dev))
7604 bnx2_shutdown_chip(bp);
b6016b76 7605 else {
9a120bc5 7606 bnx2_init_nic(bp, 1);
212f9934 7607 bnx2_netif_start(bp, true);
b6016b76
MC
7608 }
7609
7610 /* wait for link up */
80be4434
MC
7611 for (i = 0; i < 7; i++) {
7612 if (bp->link_up)
7613 break;
7614 msleep_interruptible(1000);
7615 }
b6016b76
MC
7616 }
7617
7618 if (bnx2_test_nvram(bp) != 0) {
7619 buf[3] = 1;
7620 etest->flags |= ETH_TEST_FL_FAILED;
7621 }
7622 if (bnx2_test_intr(bp) != 0) {
7623 buf[4] = 1;
7624 etest->flags |= ETH_TEST_FL_FAILED;
7625 }
7626
7627 if (bnx2_test_link(bp) != 0) {
7628 buf[5] = 1;
7629 etest->flags |= ETH_TEST_FL_FAILED;
7630
7631 }
7632}
7633
7634static void
7635bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7636{
7637 switch (stringset) {
7638 case ETH_SS_STATS:
7639 memcpy(buf, bnx2_stats_str_arr,
7640 sizeof(bnx2_stats_str_arr));
7641 break;
7642 case ETH_SS_TEST:
7643 memcpy(buf, bnx2_tests_str_arr,
7644 sizeof(bnx2_tests_str_arr));
7645 break;
7646 }
7647}
7648
b6016b76
MC
7649static void
7650bnx2_get_ethtool_stats(struct net_device *dev,
7651 struct ethtool_stats *stats, u64 *buf)
7652{
972ec0d4 7653 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7654 int i;
7655 u32 *hw_stats = (u32 *) bp->stats_blk;
354fcd77 7656 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
14ab9b86 7657 u8 *stats_len_arr = NULL;
b6016b76
MC
7658
7659 if (hw_stats == NULL) {
7660 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7661 return;
7662 }
7663
4ce45e02
MC
7664 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
7665 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
7666 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
7667 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
b6016b76 7668 stats_len_arr = bnx2_5706_stats_len_arr;
5b0c76ad
MC
7669 else
7670 stats_len_arr = bnx2_5708_stats_len_arr;
b6016b76
MC
7671
7672 for (i = 0; i < BNX2_NUM_STATS; i++) {
354fcd77
MC
7673 unsigned long offset;
7674
b6016b76
MC
7675 if (stats_len_arr[i] == 0) {
7676 /* skip this counter */
7677 buf[i] = 0;
7678 continue;
7679 }
354fcd77
MC
7680
7681 offset = bnx2_stats_offset_arr[i];
b6016b76
MC
7682 if (stats_len_arr[i] == 4) {
7683 /* 4-byte counter */
354fcd77
MC
7684 buf[i] = (u64) *(hw_stats + offset) +
7685 *(temp_stats + offset);
b6016b76
MC
7686 continue;
7687 }
7688 /* 8-byte counter */
354fcd77
MC
7689 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7690 *(hw_stats + offset + 1) +
7691 (((u64) *(temp_stats + offset)) << 32) +
7692 *(temp_stats + offset + 1);
b6016b76
MC
7693 }
7694}
7695
7696static int
2e17e1aa 7697bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
b6016b76 7698{
972ec0d4 7699 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7700
2e17e1aa 7701 switch (state) {
7702 case ETHTOOL_ID_ACTIVE:
e503e066
MC
7703 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
7704 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
fce55922 7705 return 1; /* cycle on/off once per second */
b6016b76 7706
2e17e1aa 7707 case ETHTOOL_ID_ON:
e503e066
MC
7708 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7709 BNX2_EMAC_LED_1000MB_OVERRIDE |
7710 BNX2_EMAC_LED_100MB_OVERRIDE |
7711 BNX2_EMAC_LED_10MB_OVERRIDE |
7712 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7713 BNX2_EMAC_LED_TRAFFIC);
2e17e1aa 7714 break;
b6016b76 7715
2e17e1aa 7716 case ETHTOOL_ID_OFF:
e503e066 7717 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
2e17e1aa 7718 break;
9f52b564 7719
2e17e1aa 7720 case ETHTOOL_ID_INACTIVE:
e503e066
MC
7721 BNX2_WR(bp, BNX2_EMAC_LED, 0);
7722 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
2e17e1aa 7723 break;
7724 }
9f52b564 7725
b6016b76
MC
7726 return 0;
7727}
7728
fdc8541d 7729static int
c8f44aff 7730bnx2_set_features(struct net_device *dev, netdev_features_t features)
fdc8541d 7731{
7d0fd211 7732 struct bnx2 *bp = netdev_priv(dev);
7d0fd211 7733
7c810477 7734 /* TSO with VLAN tag won't work with current firmware */
f646968f 7735 if (features & NETIF_F_HW_VLAN_CTAG_TX)
8d7dfc2b
MM
7736 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7737 else
7738 dev->vlan_features &= ~NETIF_F_ALL_TSO;
7d0fd211 7739
f646968f 7740 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
7d0fd211
JG
7741 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7742 netif_running(dev)) {
7743 bnx2_netif_stop(bp, false);
8d7dfc2b 7744 dev->features = features;
7d0fd211
JG
7745 bnx2_set_rx_mode(dev);
7746 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7747 bnx2_netif_start(bp, false);
8d7dfc2b 7748 return 1;
7d0fd211
JG
7749 }
7750
7751 return 0;
fdc8541d
MC
7752}
7753
b033281f
MC
7754static void bnx2_get_channels(struct net_device *dev,
7755 struct ethtool_channels *channels)
7756{
7757 struct bnx2 *bp = netdev_priv(dev);
7758 u32 max_rx_rings = 1;
7759 u32 max_tx_rings = 1;
7760
7761 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7762 max_rx_rings = RX_MAX_RINGS;
7763 max_tx_rings = TX_MAX_RINGS;
7764 }
7765
7766 channels->max_rx = max_rx_rings;
7767 channels->max_tx = max_tx_rings;
7768 channels->max_other = 0;
7769 channels->max_combined = 0;
7770 channels->rx_count = bp->num_rx_rings;
7771 channels->tx_count = bp->num_tx_rings;
7772 channels->other_count = 0;
7773 channels->combined_count = 0;
7774}
7775
7776static int bnx2_set_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 int rc = 0;
7783
7784 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7785 max_rx_rings = RX_MAX_RINGS;
7786 max_tx_rings = TX_MAX_RINGS;
7787 }
7788 if (channels->rx_count > max_rx_rings ||
7789 channels->tx_count > max_tx_rings)
7790 return -EINVAL;
7791
7792 bp->num_req_rx_rings = channels->rx_count;
7793 bp->num_req_tx_rings = channels->tx_count;
7794
7795 if (netif_running(dev))
7796 rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
7797 bp->tx_ring_size, true);
7798
7799 return rc;
7800}
7801
7282d491 7802static const struct ethtool_ops bnx2_ethtool_ops = {
b6016b76
MC
7803 .get_settings = bnx2_get_settings,
7804 .set_settings = bnx2_set_settings,
7805 .get_drvinfo = bnx2_get_drvinfo,
244ac4f4
MC
7806 .get_regs_len = bnx2_get_regs_len,
7807 .get_regs = bnx2_get_regs,
b6016b76
MC
7808 .get_wol = bnx2_get_wol,
7809 .set_wol = bnx2_set_wol,
7810 .nway_reset = bnx2_nway_reset,
7959ea25 7811 .get_link = bnx2_get_link,
b6016b76
MC
7812 .get_eeprom_len = bnx2_get_eeprom_len,
7813 .get_eeprom = bnx2_get_eeprom,
7814 .set_eeprom = bnx2_set_eeprom,
7815 .get_coalesce = bnx2_get_coalesce,
7816 .set_coalesce = bnx2_set_coalesce,
7817 .get_ringparam = bnx2_get_ringparam,
7818 .set_ringparam = bnx2_set_ringparam,
7819 .get_pauseparam = bnx2_get_pauseparam,
7820 .set_pauseparam = bnx2_set_pauseparam,
b6016b76
MC
7821 .self_test = bnx2_self_test,
7822 .get_strings = bnx2_get_strings,
2e17e1aa 7823 .set_phys_id = bnx2_set_phys_id,
b6016b76 7824 .get_ethtool_stats = bnx2_get_ethtool_stats,
b9f2c044 7825 .get_sset_count = bnx2_get_sset_count,
b033281f
MC
7826 .get_channels = bnx2_get_channels,
7827 .set_channels = bnx2_set_channels,
b6016b76
MC
7828};
7829
7830/* Called with rtnl_lock */
7831static int
7832bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7833{
14ab9b86 7834 struct mii_ioctl_data *data = if_mii(ifr);
972ec0d4 7835 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7836 int err;
7837
7838 switch(cmd) {
7839 case SIOCGMIIPHY:
7840 data->phy_id = bp->phy_addr;
7841
7842 /* fallthru */
7843 case SIOCGMIIREG: {
7844 u32 mii_regval;
7845
583c28e5 7846 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC
7847 return -EOPNOTSUPP;
7848
dad3e452
MC
7849 if (!netif_running(dev))
7850 return -EAGAIN;
7851
c770a65c 7852 spin_lock_bh(&bp->phy_lock);
b6016b76 7853 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 7854 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7855
7856 data->val_out = mii_regval;
7857
7858 return err;
7859 }
7860
7861 case SIOCSMIIREG:
583c28e5 7862 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC
7863 return -EOPNOTSUPP;
7864
dad3e452
MC
7865 if (!netif_running(dev))
7866 return -EAGAIN;
7867
c770a65c 7868 spin_lock_bh(&bp->phy_lock);
b6016b76 7869 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 7870 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC
7871
7872 return err;
7873
7874 default:
7875 /* do nothing */
7876 break;
7877 }
7878 return -EOPNOTSUPP;
7879}
7880
7881/* Called with rtnl_lock */
7882static int
7883bnx2_change_mac_addr(struct net_device *dev, void *p)
7884{
7885 struct sockaddr *addr = p;
972ec0d4 7886 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7887
73eef4cd 7888 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 7889 return -EADDRNOTAVAIL;
73eef4cd 7890
b6016b76
MC
7891 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7892 if (netif_running(dev))
5fcaed01 7893 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76
MC
7894
7895 return 0;
7896}
7897
7898/* Called with rtnl_lock */
7899static int
7900bnx2_change_mtu(struct net_device *dev, int new_mtu)
7901{
972ec0d4 7902 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
7903
7904 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7905 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7906 return -EINVAL;
7907
7908 dev->mtu = new_mtu;
b033281f
MC
7909 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
7910 false);
b6016b76
MC
7911}
7912
257ddbda 7913#ifdef CONFIG_NET_POLL_CONTROLLER
b6016b76
MC
7914static void
7915poll_bnx2(struct net_device *dev)
7916{
972ec0d4 7917 struct bnx2 *bp = netdev_priv(dev);
b2af2c1d 7918 int i;
b6016b76 7919
b2af2c1d 7920 for (i = 0; i < bp->irq_nvecs; i++) {
1bf1e347
MC
7921 struct bnx2_irq *irq = &bp->irq_tbl[i];
7922
7923 disable_irq(irq->vector);
7924 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7925 enable_irq(irq->vector);
b2af2c1d 7926 }
b6016b76
MC
7927}
7928#endif
7929
cfd95a63 7930static void
253c8b75
MC
7931bnx2_get_5709_media(struct bnx2 *bp)
7932{
e503e066 7933 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
253c8b75
MC
7934 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7935 u32 strap;
7936
7937 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7938 return;
7939 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
583c28e5 7940 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7941 return;
7942 }
7943
7944 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7945 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7946 else
7947 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7948
aefd90e4 7949 if (bp->func == 0) {
253c8b75
MC
7950 switch (strap) {
7951 case 0x4:
7952 case 0x5:
7953 case 0x6:
583c28e5 7954 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7955 return;
7956 }
7957 } else {
7958 switch (strap) {
7959 case 0x1:
7960 case 0x2:
7961 case 0x4:
583c28e5 7962 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC
7963 return;
7964 }
7965 }
7966}
7967
cfd95a63 7968static void
883e5151
MC
7969bnx2_get_pci_speed(struct bnx2 *bp)
7970{
7971 u32 reg;
7972
e503e066 7973 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
883e5151
MC
7974 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7975 u32 clkreg;
7976
f86e82fb 7977 bp->flags |= BNX2_FLAG_PCIX;
883e5151 7978
e503e066 7979 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
883e5151
MC
7980
7981 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7982 switch (clkreg) {
7983 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7984 bp->bus_speed_mhz = 133;
7985 break;
7986
7987 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7988 bp->bus_speed_mhz = 100;
7989 break;
7990
7991 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7992 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7993 bp->bus_speed_mhz = 66;
7994 break;
7995
7996 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7997 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7998 bp->bus_speed_mhz = 50;
7999 break;
8000
8001 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
8002 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
8003 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
8004 bp->bus_speed_mhz = 33;
8005 break;
8006 }
8007 }
8008 else {
8009 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
8010 bp->bus_speed_mhz = 66;
8011 else
8012 bp->bus_speed_mhz = 33;
8013 }
8014
8015 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
f86e82fb 8016 bp->flags |= BNX2_FLAG_PCI_32BIT;
883e5151
MC
8017
8018}
8019
cfd95a63 8020static void
76d99061
MC
8021bnx2_read_vpd_fw_ver(struct bnx2 *bp)
8022{
df25bc38 8023 int rc, i, j;
76d99061 8024 u8 *data;
df25bc38 8025 unsigned int block_end, rosize, len;
76d99061 8026
012093f6
MC
8027#define BNX2_VPD_NVRAM_OFFSET 0x300
8028#define BNX2_VPD_LEN 128
76d99061
MC
8029#define BNX2_MAX_VER_SLEN 30
8030
8031 data = kmalloc(256, GFP_KERNEL);
8032 if (!data)
8033 return;
8034
012093f6
MC
8035 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
8036 BNX2_VPD_LEN);
76d99061
MC
8037 if (rc)
8038 goto vpd_done;
8039
012093f6
MC
8040 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
8041 data[i] = data[i + BNX2_VPD_LEN + 3];
8042 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
8043 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
8044 data[i + 3] = data[i + BNX2_VPD_LEN];
76d99061
MC
8045 }
8046
df25bc38
MC
8047 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
8048 if (i < 0)
8049 goto vpd_done;
76d99061 8050
df25bc38
MC
8051 rosize = pci_vpd_lrdt_size(&data[i]);
8052 i += PCI_VPD_LRDT_TAG_SIZE;
8053 block_end = i + rosize;
76d99061 8054
df25bc38
MC
8055 if (block_end > BNX2_VPD_LEN)
8056 goto vpd_done;
76d99061 8057
df25bc38
MC
8058 j = pci_vpd_find_info_keyword(data, i, rosize,
8059 PCI_VPD_RO_KEYWORD_MFR_ID);
8060 if (j < 0)
8061 goto vpd_done;
76d99061 8062
df25bc38 8063 len = pci_vpd_info_field_size(&data[j]);
76d99061 8064
df25bc38
MC
8065 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8066 if (j + len > block_end || len != 4 ||
8067 memcmp(&data[j], "1028", 4))
8068 goto vpd_done;
4067a854 8069
df25bc38
MC
8070 j = pci_vpd_find_info_keyword(data, i, rosize,
8071 PCI_VPD_RO_KEYWORD_VENDOR0);
8072 if (j < 0)
8073 goto vpd_done;
4067a854 8074
df25bc38 8075 len = pci_vpd_info_field_size(&data[j]);
4067a854 8076
df25bc38
MC
8077 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8078 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
76d99061 8079 goto vpd_done;
df25bc38
MC
8080
8081 memcpy(bp->fw_version, &data[j], len);
8082 bp->fw_version[len] = ' ';
76d99061
MC
8083
8084vpd_done:
8085 kfree(data);
8086}
8087
cfd95a63 8088static int
b6016b76
MC
8089bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
8090{
8091 struct bnx2 *bp;
58fc2ea4 8092 int rc, i, j;
b6016b76 8093 u32 reg;
40453c83 8094 u64 dma_mask, persist_dma_mask;
cd709aa9 8095 int err;
b6016b76 8096
b6016b76 8097 SET_NETDEV_DEV(dev, &pdev->dev);
972ec0d4 8098 bp = netdev_priv(dev);
b6016b76
MC
8099
8100 bp->flags = 0;
8101 bp->phy_flags = 0;
8102
354fcd77
MC
8103 bp->temp_stats_blk =
8104 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
8105
8106 if (bp->temp_stats_blk == NULL) {
8107 rc = -ENOMEM;
8108 goto err_out;
8109 }
8110
b6016b76
MC
8111 /* enable device (incl. PCI PM wakeup), and bus-mastering */
8112 rc = pci_enable_device(pdev);
8113 if (rc) {
3a9c6a49 8114 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
b6016b76
MC
8115 goto err_out;
8116 }
8117
8118 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9b91cf9d 8119 dev_err(&pdev->dev,
3a9c6a49 8120 "Cannot find PCI device base address, aborting\n");
b6016b76
MC
8121 rc = -ENODEV;
8122 goto err_out_disable;
8123 }
8124
8125 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
8126 if (rc) {
3a9c6a49 8127 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
b6016b76
MC
8128 goto err_out_disable;
8129 }
8130
8131 pci_set_master(pdev);
8132
85768271 8133 bp->pm_cap = pdev->pm_cap;
b6016b76 8134 if (bp->pm_cap == 0) {
9b91cf9d 8135 dev_err(&pdev->dev,
3a9c6a49 8136 "Cannot find power management capability, aborting\n");
b6016b76
MC
8137 rc = -EIO;
8138 goto err_out_release;
8139 }
8140
b6016b76
MC
8141 bp->dev = dev;
8142 bp->pdev = pdev;
8143
8144 spin_lock_init(&bp->phy_lock);
1b8227c4 8145 spin_lock_init(&bp->indirect_lock);
c5a88950
MC
8146#ifdef BCM_CNIC
8147 mutex_init(&bp->cnic_lock);
8148#endif
c4028958 8149 INIT_WORK(&bp->reset_task, bnx2_reset_task);
b6016b76 8150
c0357e97
FR
8151 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
8152 TX_MAX_TSS_RINGS + 1));
b6016b76 8153 if (!bp->regview) {
3a9c6a49 8154 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
b6016b76
MC
8155 rc = -ENOMEM;
8156 goto err_out_release;
8157 }
8158
8159 /* Configure byte swap and enable write to the reg_window registers.
8160 * Rely on CPU to do target byte swapping on big endian systems
8161 * The chip's target access swapping will not swap all accesses
8162 */
e503e066
MC
8163 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
8164 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
8165 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
b6016b76 8166
e503e066 8167 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
b6016b76 8168
4ce45e02 8169 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
e82760e7
JM
8170 if (!pci_is_pcie(pdev)) {
8171 dev_err(&pdev->dev, "Not PCIE, aborting\n");
883e5151
MC
8172 rc = -EIO;
8173 goto err_out_unmap;
8174 }
f86e82fb 8175 bp->flags |= BNX2_FLAG_PCIE;
4ce45e02 8176 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
f86e82fb 8177 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
c239f279
MC
8178
8179 /* AER (Advanced Error Reporting) hooks */
8180 err = pci_enable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8181 if (!err)
8182 bp->flags |= BNX2_FLAG_AER_ENABLED;
c239f279 8183
883e5151 8184 } else {
59b47d8a
MC
8185 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
8186 if (bp->pcix_cap == 0) {
8187 dev_err(&pdev->dev,
3a9c6a49 8188 "Cannot find PCIX capability, aborting\n");
59b47d8a
MC
8189 rc = -EIO;
8190 goto err_out_unmap;
8191 }
61d9e3fa 8192 bp->flags |= BNX2_FLAG_BROKEN_STATS;
59b47d8a
MC
8193 }
8194
4ce45e02
MC
8195 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8196 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
555a8428 8197 if (pdev->msix_cap)
f86e82fb 8198 bp->flags |= BNX2_FLAG_MSIX_CAP;
b4b36042
MC
8199 }
8200
4ce45e02
MC
8201 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
8202 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
555a8428 8203 if (pdev->msi_cap)
f86e82fb 8204 bp->flags |= BNX2_FLAG_MSI_CAP;
8e6a72c4
MC
8205 }
8206
40453c83 8207 /* 5708 cannot support DMA addresses > 40-bit. */
4ce45e02 8208 if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
50cf156a 8209 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
40453c83 8210 else
6a35528a 8211 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
40453c83
MC
8212
8213 /* Configure DMA attributes. */
8214 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8215 dev->features |= NETIF_F_HIGHDMA;
8216 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8217 if (rc) {
8218 dev_err(&pdev->dev,
3a9c6a49 8219 "pci_set_consistent_dma_mask failed, aborting\n");
40453c83
MC
8220 goto err_out_unmap;
8221 }
284901a9 8222 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
3a9c6a49 8223 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
40453c83
MC
8224 goto err_out_unmap;
8225 }
8226
f86e82fb 8227 if (!(bp->flags & BNX2_FLAG_PCIE))
883e5151 8228 bnx2_get_pci_speed(bp);
b6016b76
MC
8229
8230 /* 5706A0 may falsely detect SERR and PERR. */
4ce45e02 8231 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
e503e066 8232 reg = BNX2_RD(bp, PCI_COMMAND);
b6016b76 8233 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
e503e066 8234 BNX2_WR(bp, PCI_COMMAND, reg);
4ce45e02 8235 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
f86e82fb 8236 !(bp->flags & BNX2_FLAG_PCIX)) {
b6016b76 8237
9b91cf9d 8238 dev_err(&pdev->dev,
3a9c6a49 8239 "5706 A1 can only be used in a PCIX bus, aborting\n");
b6016b76
MC
8240 goto err_out_unmap;
8241 }
8242
8243 bnx2_init_nvram(bp);
8244
2726d6e1 8245 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
e3648b3d 8246
aefd90e4
MC
8247 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
8248 bp->func = 1;
8249
e3648b3d 8250 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
24cb230b 8251 BNX2_SHM_HDR_SIGNATURE_SIG) {
aefd90e4 8252 u32 off = bp->func << 2;
24cb230b 8253
2726d6e1 8254 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
24cb230b 8255 } else
e3648b3d
MC
8256 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8257
b6016b76
MC
8258 /* Get the permanent MAC address. First we need to make sure the
8259 * firmware is actually running.
8260 */
2726d6e1 8261 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
b6016b76
MC
8262
8263 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8264 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
3a9c6a49 8265 dev_err(&pdev->dev, "Firmware not running, aborting\n");
b6016b76
MC
8266 rc = -ENODEV;
8267 goto err_out_unmap;
8268 }
8269
76d99061
MC
8270 bnx2_read_vpd_fw_ver(bp);
8271
8272 j = strlen(bp->fw_version);
2726d6e1 8273 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
76d99061 8274 for (i = 0; i < 3 && j < 24; i++) {
58fc2ea4
MC
8275 u8 num, k, skip0;
8276
76d99061
MC
8277 if (i == 0) {
8278 bp->fw_version[j++] = 'b';
8279 bp->fw_version[j++] = 'c';
8280 bp->fw_version[j++] = ' ';
8281 }
58fc2ea4
MC
8282 num = (u8) (reg >> (24 - (i * 8)));
8283 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8284 if (num >= k || !skip0 || k == 1) {
8285 bp->fw_version[j++] = (num / k) + '0';
8286 skip0 = 0;
8287 }
8288 }
8289 if (i != 2)
8290 bp->fw_version[j++] = '.';
8291 }
2726d6e1 8292 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
846f5c62
MC
8293 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8294 bp->wol = 1;
8295
8296 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
f86e82fb 8297 bp->flags |= BNX2_FLAG_ASF_ENABLE;
c2d3db8c
MC
8298
8299 for (i = 0; i < 30; i++) {
2726d6e1 8300 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
c2d3db8c
MC
8301 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8302 break;
8303 msleep(10);
8304 }
8305 }
2726d6e1 8306 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
58fc2ea4
MC
8307 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8308 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8309 reg != BNX2_CONDITION_MFW_RUN_NONE) {
2726d6e1 8310 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
58fc2ea4 8311
76d99061
MC
8312 if (j < 32)
8313 bp->fw_version[j++] = ' ';
8314 for (i = 0; i < 3 && j < 28; i++) {
2726d6e1 8315 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
3aeb7d22 8316 reg = be32_to_cpu(reg);
58fc2ea4
MC
8317 memcpy(&bp->fw_version[j], &reg, 4);
8318 j += 4;
8319 }
8320 }
b6016b76 8321
2726d6e1 8322 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
b6016b76
MC
8323 bp->mac_addr[0] = (u8) (reg >> 8);
8324 bp->mac_addr[1] = (u8) reg;
8325
2726d6e1 8326 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
b6016b76
MC
8327 bp->mac_addr[2] = (u8) (reg >> 24);
8328 bp->mac_addr[3] = (u8) (reg >> 16);
8329 bp->mac_addr[4] = (u8) (reg >> 8);
8330 bp->mac_addr[5] = (u8) reg;
8331
2bc4078e 8332 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
932f3772 8333 bnx2_set_rx_ring_size(bp, 255);
b6016b76 8334
cf7474a6 8335 bp->tx_quick_cons_trip_int = 2;
b6016b76 8336 bp->tx_quick_cons_trip = 20;
cf7474a6 8337 bp->tx_ticks_int = 18;
b6016b76 8338 bp->tx_ticks = 80;
6aa20a22 8339
cf7474a6
MC
8340 bp->rx_quick_cons_trip_int = 2;
8341 bp->rx_quick_cons_trip = 12;
b6016b76
MC
8342 bp->rx_ticks_int = 18;
8343 bp->rx_ticks = 18;
8344
7ea6920e 8345 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76 8346
ac392abc 8347 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 8348
5b0c76ad
MC
8349 bp->phy_addr = 1;
8350
8fae307c 8351 /* allocate stats_blk */
8352 rc = bnx2_alloc_stats_blk(dev);
8353 if (rc)
8354 goto err_out_unmap;
8355
b6016b76 8356 /* Disable WOL support if we are running on a SERDES chip. */
4ce45e02 8357 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
253c8b75 8358 bnx2_get_5709_media(bp);
4ce45e02 8359 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
583c28e5 8360 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
bac0dff6 8361
0d8a6571 8362 bp->phy_port = PORT_TP;
583c28e5 8363 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
0d8a6571 8364 bp->phy_port = PORT_FIBRE;
2726d6e1 8365 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
846f5c62 8366 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
f86e82fb 8367 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC
8368 bp->wol = 0;
8369 }
4ce45e02 8370 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
38ea3686
MC
8371 /* Don't do parallel detect on this board because of
8372 * some board problems. The link will not go down
8373 * if we do parallel detect.
8374 */
8375 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8376 pdev->subsystem_device == 0x310c)
8377 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8378 } else {
5b0c76ad 8379 bp->phy_addr = 2;
5b0c76ad 8380 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
583c28e5 8381 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
5b0c76ad 8382 }
4ce45e02
MC
8383 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
8384 BNX2_CHIP(bp) == BNX2_CHIP_5708)
583c28e5 8385 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
4ce45e02
MC
8386 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8387 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
8388 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
583c28e5 8389 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
b6016b76 8390
7c62e83b
MC
8391 bnx2_init_fw_cap(bp);
8392
4ce45e02
MC
8393 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
8394 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
8395 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
e503e066 8396 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
f86e82fb 8397 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC
8398 bp->wol = 0;
8399 }
dda1e390 8400
6d5e85c7
MC
8401 if (bp->flags & BNX2_FLAG_NO_WOL)
8402 device_set_wakeup_capable(&bp->pdev->dev, false);
8403 else
8404 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
8405
4ce45e02 8406 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
b6016b76
MC
8407 bp->tx_quick_cons_trip_int =
8408 bp->tx_quick_cons_trip;
8409 bp->tx_ticks_int = bp->tx_ticks;
8410 bp->rx_quick_cons_trip_int =
8411 bp->rx_quick_cons_trip;
8412 bp->rx_ticks_int = bp->rx_ticks;
8413 bp->comp_prod_trip_int = bp->comp_prod_trip;
8414 bp->com_ticks_int = bp->com_ticks;
8415 bp->cmd_ticks_int = bp->cmd_ticks;
8416 }
8417
f9317a40
MC
8418 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8419 *
8420 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8421 * with byte enables disabled on the unused 32-bit word. This is legal
8422 * but causes problems on the AMD 8132 which will eventually stop
8423 * responding after a while.
8424 *
8425 * AMD believes this incompatibility is unique to the 5706, and
88187dfa 8426 * prefers to locally disable MSI rather than globally disabling it.
f9317a40 8427 */
4ce45e02 8428 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
f9317a40
MC
8429 struct pci_dev *amd_8132 = NULL;
8430
8431 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8432 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8433 amd_8132))) {
f9317a40 8434
44c10138
AK
8435 if (amd_8132->revision >= 0x10 &&
8436 amd_8132->revision <= 0x13) {
f9317a40
MC
8437 disable_msi = 1;
8438 pci_dev_put(amd_8132);
8439 break;
8440 }
8441 }
8442 }
8443
deaf391b 8444 bnx2_set_default_link(bp);
b6016b76
MC
8445 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8446
cd339a0e 8447 init_timer(&bp->timer);
ac392abc 8448 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
cd339a0e
MC
8449 bp->timer.data = (unsigned long) bp;
8450 bp->timer.function = bnx2_timer;
8451
7625eb2f 8452#ifdef BCM_CNIC
41c2178a
MC
8453 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8454 bp->cnic_eth_dev.max_iscsi_conn =
8455 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8456 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
4bd9b0ff 8457 bp->cnic_probe = bnx2_cnic_probe;
7625eb2f 8458#endif
c239f279
MC
8459 pci_save_state(pdev);
8460
b6016b76
MC
8461 return 0;
8462
8463err_out_unmap:
4bb9ebc7 8464 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
c239f279 8465 pci_disable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8466 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8467 }
c239f279 8468
c0357e97
FR
8469 pci_iounmap(pdev, bp->regview);
8470 bp->regview = NULL;
b6016b76
MC
8471
8472err_out_release:
8473 pci_release_regions(pdev);
8474
8475err_out_disable:
8476 pci_disable_device(pdev);
b6016b76
MC
8477
8478err_out:
3703ebe4 8479 kfree(bp->temp_stats_blk);
8480
b6016b76
MC
8481 return rc;
8482}
8483
cfd95a63 8484static char *
883e5151
MC
8485bnx2_bus_string(struct bnx2 *bp, char *str)
8486{
8487 char *s = str;
8488
f86e82fb 8489 if (bp->flags & BNX2_FLAG_PCIE) {
883e5151
MC
8490 s += sprintf(s, "PCI Express");
8491 } else {
8492 s += sprintf(s, "PCI");
f86e82fb 8493 if (bp->flags & BNX2_FLAG_PCIX)
883e5151 8494 s += sprintf(s, "-X");
f86e82fb 8495 if (bp->flags & BNX2_FLAG_PCI_32BIT)
883e5151
MC
8496 s += sprintf(s, " 32-bit");
8497 else
8498 s += sprintf(s, " 64-bit");
8499 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8500 }
8501 return str;
8502}
8503
f048fa9c
MC
8504static void
8505bnx2_del_napi(struct bnx2 *bp)
8506{
8507 int i;
8508
8509 for (i = 0; i < bp->irq_nvecs; i++)
8510 netif_napi_del(&bp->bnx2_napi[i].napi);
8511}
8512
8513static void
35efa7c1
MC
8514bnx2_init_napi(struct bnx2 *bp)
8515{
b4b36042 8516 int i;
35efa7c1 8517
4327ba43 8518 for (i = 0; i < bp->irq_nvecs; i++) {
35e9010b
MC
8519 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8520 int (*poll)(struct napi_struct *, int);
8521
8522 if (i == 0)
8523 poll = bnx2_poll;
8524 else
f0ea2e63 8525 poll = bnx2_poll_msix;
35e9010b
MC
8526
8527 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
b4b36042
MC
8528 bnapi->bp = bp;
8529 }
35efa7c1
MC
8530}
8531
0421eae6
SH
8532static const struct net_device_ops bnx2_netdev_ops = {
8533 .ndo_open = bnx2_open,
8534 .ndo_start_xmit = bnx2_start_xmit,
8535 .ndo_stop = bnx2_close,
5d07bf26 8536 .ndo_get_stats64 = bnx2_get_stats64,
0421eae6
SH
8537 .ndo_set_rx_mode = bnx2_set_rx_mode,
8538 .ndo_do_ioctl = bnx2_ioctl,
8539 .ndo_validate_addr = eth_validate_addr,
8540 .ndo_set_mac_address = bnx2_change_mac_addr,
8541 .ndo_change_mtu = bnx2_change_mtu,
8d7dfc2b 8542 .ndo_set_features = bnx2_set_features,
0421eae6 8543 .ndo_tx_timeout = bnx2_tx_timeout,
257ddbda 8544#ifdef CONFIG_NET_POLL_CONTROLLER
0421eae6
SH
8545 .ndo_poll_controller = poll_bnx2,
8546#endif
8547};
8548
cfd95a63 8549static int
b6016b76
MC
8550bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8551{
8552 static int version_printed = 0;
c0357e97 8553 struct net_device *dev;
b6016b76 8554 struct bnx2 *bp;
0795af57 8555 int rc;
883e5151 8556 char str[40];
b6016b76
MC
8557
8558 if (version_printed++ == 0)
3a9c6a49 8559 pr_info("%s", version);
b6016b76
MC
8560
8561 /* dev zeroed in init_etherdev */
706bf240 8562 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
b6016b76
MC
8563 if (!dev)
8564 return -ENOMEM;
8565
8566 rc = bnx2_init_board(pdev, dev);
c0357e97
FR
8567 if (rc < 0)
8568 goto err_free;
b6016b76 8569
0421eae6 8570 dev->netdev_ops = &bnx2_netdev_ops;
b6016b76 8571 dev->watchdog_timeo = TX_TIMEOUT;
b6016b76 8572 dev->ethtool_ops = &bnx2_ethtool_ops;
b6016b76 8573
972ec0d4 8574 bp = netdev_priv(dev);
b6016b76 8575
1b2f922f
MC
8576 pci_set_drvdata(pdev, dev);
8577
3e1be7ad
BH
8578 rc = bnx2_request_firmware(bp);
8579 if (rc < 0)
8580 goto error;
8581
8582
8583 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
d458cdf7 8584 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
1b2f922f 8585
8d7dfc2b
MM
8586 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8587 NETIF_F_TSO | NETIF_F_TSO_ECN |
8588 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8589
4ce45e02 8590 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
8d7dfc2b
MM
8591 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8592
8593 dev->vlan_features = dev->hw_features;
f646968f 8594 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
8d7dfc2b 8595 dev->features |= dev->hw_features;
01789349 8596 dev->priv_flags |= IFF_UNICAST_FLT;
8d7dfc2b 8597
26caa346
IV
8598 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
8599 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
8600
b6016b76 8601 if ((rc = register_netdev(dev))) {
9b91cf9d 8602 dev_err(&pdev->dev, "Cannot register net device\n");
57579f76 8603 goto error;
b6016b76
MC
8604 }
8605
c0357e97
FR
8606 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
8607 "node addr %pM\n", board_info[ent->driver_data].name,
4ce45e02
MC
8608 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8609 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
c0357e97
FR
8610 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
8611 pdev->irq, dev->dev_addr);
b6016b76 8612
b6016b76 8613 return 0;
57579f76
MC
8614
8615error:
3e1be7ad 8616 bnx2_release_firmware(bp);
fda4d85d 8617 pci_iounmap(pdev, bp->regview);
57579f76
MC
8618 pci_release_regions(pdev);
8619 pci_disable_device(pdev);
c0357e97 8620err_free:
8fae307c 8621 bnx2_free_stats_blk(dev);
57579f76
MC
8622 free_netdev(dev);
8623 return rc;
b6016b76
MC
8624}
8625
cfd95a63 8626static void
b6016b76
MC
8627bnx2_remove_one(struct pci_dev *pdev)
8628{
8629 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8630 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC
8631
8632 unregister_netdev(dev);
8633
8333a46a 8634 del_timer_sync(&bp->timer);
cd634019 8635 cancel_work_sync(&bp->reset_task);
8333a46a 8636
c0357e97 8637 pci_iounmap(bp->pdev, bp->regview);
b6016b76 8638
8fae307c 8639 bnx2_free_stats_blk(dev);
354fcd77
MC
8640 kfree(bp->temp_stats_blk);
8641
4bb9ebc7 8642 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
c239f279 8643 pci_disable_pcie_error_reporting(pdev);
4bb9ebc7
MC
8644 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8645 }
cd709aa9 8646
7880b72e 8647 bnx2_release_firmware(bp);
8648
c239f279 8649 free_netdev(dev);
cd709aa9 8650
b6016b76
MC
8651 pci_release_regions(pdev);
8652 pci_disable_device(pdev);
b6016b76
MC
8653}
8654
77d149c4 8655#ifdef CONFIG_PM_SLEEP
b6016b76 8656static int
28fb4eb4 8657bnx2_suspend(struct device *device)
b6016b76 8658{
28fb4eb4 8659 struct pci_dev *pdev = to_pci_dev(device);
b6016b76 8660 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8661 struct bnx2 *bp = netdev_priv(dev);
b6016b76 8662
28fb4eb4
MC
8663 if (netif_running(dev)) {
8664 cancel_work_sync(&bp->reset_task);
8665 bnx2_netif_stop(bp, true);
8666 netif_device_detach(dev);
8667 del_timer_sync(&bp->timer);
8668 bnx2_shutdown_chip(bp);
8669 __bnx2_free_irq(bp);
8670 bnx2_free_skbs(bp);
8671 }
8672 bnx2_setup_wol(bp);
b6016b76
MC
8673 return 0;
8674}
8675
8676static int
28fb4eb4 8677bnx2_resume(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
MC
8682
8683 if (!netif_running(dev))
8684 return 0;
8685
829ca9a3 8686 bnx2_set_power_state(bp, PCI_D0);
b6016b76 8687 netif_device_attach(dev);
28fb4eb4 8688 bnx2_request_irq(bp);
9a120bc5 8689 bnx2_init_nic(bp, 1);
212f9934 8690 bnx2_netif_start(bp, true);
b6016b76
MC
8691 return 0;
8692}
8693
28fb4eb4
MC
8694static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
8695#define BNX2_PM_OPS (&bnx2_pm_ops)
8696
8697#else
8698
8699#define BNX2_PM_OPS NULL
8700
8701#endif /* CONFIG_PM_SLEEP */
6ff2da49
WX
8702/**
8703 * bnx2_io_error_detected - called when PCI error is detected
8704 * @pdev: Pointer to PCI device
8705 * @state: The current pci connection state
8706 *
8707 * This function is called after a PCI bus error affecting
8708 * this device has been detected.
8709 */
8710static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8711 pci_channel_state_t state)
8712{
8713 struct net_device *dev = pci_get_drvdata(pdev);
8714 struct bnx2 *bp = netdev_priv(dev);
8715
8716 rtnl_lock();
8717 netif_device_detach(dev);
8718
2ec3de26
DN
8719 if (state == pci_channel_io_perm_failure) {
8720 rtnl_unlock();
8721 return PCI_ERS_RESULT_DISCONNECT;
8722 }
8723
6ff2da49 8724 if (netif_running(dev)) {
212f9934 8725 bnx2_netif_stop(bp, true);
6ff2da49
WX
8726 del_timer_sync(&bp->timer);
8727 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8728 }
8729
8730 pci_disable_device(pdev);
8731 rtnl_unlock();
8732
8733 /* Request a slot slot reset. */
8734 return PCI_ERS_RESULT_NEED_RESET;
8735}
8736
8737/**
8738 * bnx2_io_slot_reset - called after the pci bus has been reset.
8739 * @pdev: Pointer to PCI device
8740 *
8741 * Restart the card from scratch, as if from a cold-boot.
8742 */
8743static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8744{
8745 struct net_device *dev = pci_get_drvdata(pdev);
8746 struct bnx2 *bp = netdev_priv(dev);
02481bc6
MC
8747 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
8748 int err = 0;
6ff2da49
WX
8749
8750 rtnl_lock();
8751 if (pci_enable_device(pdev)) {
8752 dev_err(&pdev->dev,
3a9c6a49 8753 "Cannot re-enable PCI device after reset\n");
cd709aa9
JF
8754 } else {
8755 pci_set_master(pdev);
8756 pci_restore_state(pdev);
8757 pci_save_state(pdev);
8758
25bfb1dd 8759 if (netif_running(dev))
02481bc6 8760 err = bnx2_init_nic(bp, 1);
25bfb1dd 8761
02481bc6
MC
8762 if (!err)
8763 result = PCI_ERS_RESULT_RECOVERED;
8764 }
8765
8766 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
8767 bnx2_napi_enable(bp);
8768 dev_close(dev);
6ff2da49 8769 }
cd709aa9 8770 rtnl_unlock();
6ff2da49 8771
4bb9ebc7 8772 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
c239f279
MC
8773 return result;
8774
cd709aa9
JF
8775 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8776 if (err) {
8777 dev_err(&pdev->dev,
8778 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8779 err); /* non-fatal, continue */
6ff2da49
WX
8780 }
8781
cd709aa9 8782 return result;
6ff2da49
WX
8783}
8784
8785/**
8786 * bnx2_io_resume - called when traffic can start flowing again.
8787 * @pdev: Pointer to PCI device
8788 *
8789 * This callback is called when the error recovery driver tells us that
8790 * its OK to resume normal operation.
8791 */
8792static void bnx2_io_resume(struct pci_dev *pdev)
8793{
8794 struct net_device *dev = pci_get_drvdata(pdev);
8795 struct bnx2 *bp = netdev_priv(dev);
8796
8797 rtnl_lock();
8798 if (netif_running(dev))
212f9934 8799 bnx2_netif_start(bp, true);
6ff2da49
WX
8800
8801 netif_device_attach(dev);
8802 rtnl_unlock();
8803}
8804
25bfb1dd
MC
8805static void bnx2_shutdown(struct pci_dev *pdev)
8806{
8807 struct net_device *dev = pci_get_drvdata(pdev);
8808 struct bnx2 *bp;
8809
8810 if (!dev)
8811 return;
8812
8813 bp = netdev_priv(dev);
8814 if (!bp)
8815 return;
8816
8817 rtnl_lock();
8818 if (netif_running(dev))
8819 dev_close(bp->dev);
8820
8821 if (system_state == SYSTEM_POWER_OFF)
8822 bnx2_set_power_state(bp, PCI_D3hot);
8823
8824 rtnl_unlock();
8825}
8826
fda4d85d 8827static const struct pci_error_handlers bnx2_err_handler = {
6ff2da49
WX
8828 .error_detected = bnx2_io_error_detected,
8829 .slot_reset = bnx2_io_slot_reset,
8830 .resume = bnx2_io_resume,
8831};
8832
b6016b76 8833static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH
8834 .name = DRV_MODULE_NAME,
8835 .id_table = bnx2_pci_tbl,
8836 .probe = bnx2_init_one,
cfd95a63 8837 .remove = bnx2_remove_one,
28fb4eb4 8838 .driver.pm = BNX2_PM_OPS,
6ff2da49 8839 .err_handler = &bnx2_err_handler,
25bfb1dd 8840 .shutdown = bnx2_shutdown,
b6016b76
MC
8841};
8842
5a4123f3 8843module_pci_driver(bnx2_pci_driver);