bnx2.c 166.5 KB
Newer Older
1 2
/* bnx2.c: Broadcom NX2 network driver.
 *
3
 * Copyright (c) 2004-2007 Broadcom Corporation
4 5 6 7 8 9 10 11
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Written by: Michael Chan  (mchan@broadcom.com)
 */

M
Michael Chan 已提交
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

#include <linux/module.h>
#include <linux/moduleparam.h>

#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <asm/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
M
Michael Chan 已提交
34
#include <asm/page.h>
M
Michael Chan 已提交
35 36 37 38 39 40 41 42
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
#include <linux/if_vlan.h>
#define BCM_VLAN 1
#endif
#include <net/ip.h>
43
#include <net/tcp.h>
M
Michael Chan 已提交
44 45 46 47
#include <net/checksum.h>
#include <linux/workqueue.h>
#include <linux/crc32.h>
#include <linux/prefetch.h>
48
#include <linux/cache.h>
49
#include <linux/zlib.h>
M
Michael Chan 已提交
50

51 52
#include "bnx2.h"
#include "bnx2_fw.h"
M
Michael Chan 已提交
53
#include "bnx2_fw2.h"
54

D
Denys Vlasenko 已提交
55 56
#define FW_BUF_SIZE		0x8000

57 58
#define DRV_MODULE_NAME		"bnx2"
#define PFX DRV_MODULE_NAME	": "
M
Michael Chan 已提交
59 60
#define DRV_MODULE_VERSION	"1.6.7"
#define DRV_MODULE_RELDATE	"October 10, 2007"
61 62 63 64 65 66

#define RUN_AT(x) (jiffies + (x))

/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT  (5*HZ)

67
static const char version[] __devinitdata =
68 69 70
	"Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
71
MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
72 73 74 75 76 77 78 79 80 81 82 83 84 85
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

static int disable_msi = 0;

module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");

typedef enum {
	BCM5706 = 0,
	NC370T,
	NC370I,
	BCM5706S,
	NC370F,
M
Michael Chan 已提交
86 87
	BCM5708,
	BCM5708S,
M
Michael Chan 已提交
88
	BCM5709,
89
	BCM5709S,
90 91 92
} board_t;

/* indexed by board_t, above */
93
static const struct {
94 95 96 97 98 99 100
	char *name;
} board_info[] __devinitdata = {
	{ "Broadcom NetXtreme II BCM5706 1000Base-T" },
	{ "HP NC370T Multifunction Gigabit Server Adapter" },
	{ "HP NC370i Multifunction Gigabit Server Adapter" },
	{ "Broadcom NetXtreme II BCM5706 1000Base-SX" },
	{ "HP NC370F Multifunction Gigabit Server Adapter" },
M
Michael Chan 已提交
101 102
	{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
	{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
M
Michael Chan 已提交
103
	{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
104
	{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
105 106 107 108 109 110 111 112 113
	};

static struct pci_device_id bnx2_pci_tbl[] = {
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
M
Michael Chan 已提交
114 115
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
116 117 118 119
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
M
Michael Chan 已提交
120 121
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
M
Michael Chan 已提交
122 123
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
124 125
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
126 127 128 129 130
	{ 0, }
};

static struct flash_spec flash_table[] =
{
M
Michael Chan 已提交
131 132
#define BUFFERED_FLAGS		(BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
#define NONBUFFERED_FLAGS	(BNX2_NV_WREN)
133
	/* Slow EEPROM */
134
	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
M
Michael Chan 已提交
135
	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
136 137
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - slow"},
138 139
	/* Expansion entry 0001 */
	{0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
140
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
141 142
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0001"},
143 144
	/* Saifun SA25F010 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
145
	{0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
146
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
147 148 149 150
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
	 "Non-buffered flash (128kB)"},
	/* Saifun SA25F020 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
151
	{0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
152
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
153 154
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
	 "Non-buffered flash (256kB)"},
155 156
	/* Expansion entry 0100 */
	{0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
157
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
158 159 160
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0100"},
	/* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
161
	{0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
162
	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
163 164 165 166
	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
	 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
	/* Entry 0110: ST M45PE20 (non-buffered flash)*/
	{0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
167
	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
168 169 170 171 172
	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
	 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
	/* Saifun SA25F005 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
	{0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
173
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
174 175 176 177
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
	 "Non-buffered flash (64kB)"},
	/* Fast EEPROM */
	{0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
M
Michael Chan 已提交
178
	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
179 180 181 182
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
183
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
184 185 186 187
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
188
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
189 190 191 192
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1010"},
	/* ATMEL AT45DB011B (buffered flash) */
	{0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
M
Michael Chan 已提交
193
	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
194 195 196 197
	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
	 "Buffered flash (128kB)"},
	/* Expansion entry 1100 */
	{0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
198
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
199 200 201 202
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
M
Michael Chan 已提交
203
	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
204 205 206 207
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1101"},
	/* Ateml Expansion entry 1110 */
	{0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
M
Michael Chan 已提交
208
	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
209 210 211 212
	 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1110 (Atmel)"},
	/* ATMEL AT45DB021B (buffered flash) */
	{0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
M
Michael Chan 已提交
213
	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
214 215
	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
216 217
};

M
Michael Chan 已提交
218 219 220 221 222 223 224 225 226
static struct flash_spec flash_5709 = {
	.flags		= BNX2_NV_BUFFERED,
	.page_bits	= BCM5709_FLASH_PAGE_BITS,
	.page_size	= BCM5709_FLASH_PAGE_SIZE,
	.addr_mask	= BCM5709_FLASH_BYTE_ADDR_MASK,
	.total_size	= BUFFERED_FLASH_TOTAL_SIZE*2,
	.name		= "5709 Buffered flash (256kB)",
};

227 228
MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

M
Michael Chan 已提交
229 230
static inline u32 bnx2_tx_avail(struct bnx2 *bp)
{
M
Michael Chan 已提交
231
	u32 diff;
M
Michael Chan 已提交
232

M
Michael Chan 已提交
233
	smp_mb();
M
Michael Chan 已提交
234 235 236 237 238 239 240 241 242 243

	/* The ring uses 256 indices for 255 entries, one of them
	 * needs to be skipped.
	 */
	diff = bp->tx_prod - bp->tx_cons;
	if (unlikely(diff >= TX_DESC_CNT)) {
		diff &= 0xffff;
		if (diff == TX_DESC_CNT)
			diff = MAX_TX_DESC_CNT;
	}
M
Michael Chan 已提交
244 245 246
	return (bp->tx_ring_size - diff);
}

247 248 249
static u32
bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
{
M
Michael Chan 已提交
250 251 252
	u32 val;

	spin_lock_bh(&bp->indirect_lock);
253
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
M
Michael Chan 已提交
254 255 256
	val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
	spin_unlock_bh(&bp->indirect_lock);
	return val;
257 258 259 260 261
}

static void
bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
{
M
Michael Chan 已提交
262
	spin_lock_bh(&bp->indirect_lock);
263 264
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
M
Michael Chan 已提交
265
	spin_unlock_bh(&bp->indirect_lock);
266 267 268 269 270 271
}

static void
bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
{
	offset += cid_addr;
M
Michael Chan 已提交
272
	spin_lock_bh(&bp->indirect_lock);
M
Michael Chan 已提交
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		int i;

		REG_WR(bp, BNX2_CTX_CTX_DATA, val);
		REG_WR(bp, BNX2_CTX_CTX_CTRL,
		       offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
		for (i = 0; i < 5; i++) {
			u32 val;
			val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
			if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
				break;
			udelay(5);
		}
	} else {
		REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
		REG_WR(bp, BNX2_CTX_DATA, val);
	}
M
Michael Chan 已提交
290
	spin_unlock_bh(&bp->indirect_lock);
291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
}

static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	val1 = (bp->phy_addr << 21) | (reg << 16) |
		BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
		BNX2_EMAC_MDIO_COMM_START_BUSY;
	REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);

	for (i = 0; i < 50; i++) {
		udelay(10);

		val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
		if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);

			val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
			val1 &= BNX2_EMAC_MDIO_COMM_DATA;

			break;
		}
	}

	if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
		*val = 0x0;
		ret = -EBUSY;
	}
	else {
		*val = val1;
		ret = 0;
	}

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	return ret;
}

static int
bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
{
	u32 val1;
	int i, ret;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	val1 = (bp->phy_addr << 21) | (reg << 16) | val |
		BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
		BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
	REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
370

371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409
	for (i = 0; i < 50; i++) {
		udelay(10);

		val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
		if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}

	if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
        	ret = -EBUSY;
	else
		ret = 0;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	return ret;
}

static void
bnx2_disable_int(struct bnx2 *bp)
{
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
410 411 412 413
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);

414 415 416
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);

M
Michael Chan 已提交
417
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432
}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
	atomic_inc(&bp->intr_sem);
	bnx2_disable_int(bp);
	synchronize_irq(bp->pdev->irq);
}

static void
bnx2_netif_stop(struct bnx2 *bp)
{
	bnx2_disable_int_sync(bp);
	if (netif_running(bp->dev)) {
433
		napi_disable(&bp->napi);
434 435 436 437 438 439 440 441 442 443 444
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}
}

static void
bnx2_netif_start(struct bnx2 *bp)
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			netif_wake_queue(bp->dev);
445
			napi_enable(&bp->napi);
446 447 448 449 450 451 452 453
			bnx2_enable_int(bp);
		}
	}
}

static void
bnx2_free_mem(struct bnx2 *bp)
{
454 455
	int i;

M
Michael Chan 已提交
456 457 458 459 460 461 462 463
	for (i = 0; i < bp->ctx_pages; i++) {
		if (bp->ctx_blk[i]) {
			pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
					    bp->ctx_blk[i],
					    bp->ctx_blk_mapping[i]);
			bp->ctx_blk[i] = NULL;
		}
	}
464
	if (bp->status_blk) {
465
		pci_free_consistent(bp->pdev, bp->status_stats_size,
466 467
				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
468
		bp->stats_blk = NULL;
469 470 471 472 473 474 475
	}
	if (bp->tx_desc_ring) {
		pci_free_consistent(bp->pdev,
				    sizeof(struct tx_bd) * TX_DESC_CNT,
				    bp->tx_desc_ring, bp->tx_desc_mapping);
		bp->tx_desc_ring = NULL;
	}
476 477
	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
478 479 480 481 482 483 484 485 486
	for (i = 0; i < bp->rx_max_ring; i++) {
		if (bp->rx_desc_ring[i])
			pci_free_consistent(bp->pdev,
					    sizeof(struct rx_bd) * RX_DESC_CNT,
					    bp->rx_desc_ring[i],
					    bp->rx_desc_mapping[i]);
		bp->rx_desc_ring[i] = NULL;
	}
	vfree(bp->rx_buf_ring);
487
	bp->rx_buf_ring = NULL;
488 489 490 491 492
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
493
	int i, status_blk_size;
494

495 496
	bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
				  GFP_KERNEL);
497 498 499 500 501 502 503 504 505 506
	if (bp->tx_buf_ring == NULL)
		return -ENOMEM;

	bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
					        sizeof(struct tx_bd) *
						TX_DESC_CNT,
						&bp->tx_desc_mapping);
	if (bp->tx_desc_ring == NULL)
		goto alloc_mem_err;

507 508
	bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
				  bp->rx_max_ring);
509 510 511
	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

512 513 514 515 516 517 518 519 520 521 522 523
	memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
				   bp->rx_max_ring);

	for (i = 0; i < bp->rx_max_ring; i++) {
		bp->rx_desc_ring[i] =
			pci_alloc_consistent(bp->pdev,
					     sizeof(struct rx_bd) * RX_DESC_CNT,
					     &bp->rx_desc_mapping[i]);
		if (bp->rx_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}
524

525 526 527 528 529 530
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

	bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
531 532 533 534
					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

535
	memset(bp->status_blk, 0, bp->status_stats_size);
536

537 538
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
539

540
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
541

M
Michael Chan 已提交
542 543 544 545 546 547 548 549 550 551 552 553
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
		if (bp->ctx_pages == 0)
			bp->ctx_pages = 1;
		for (i = 0; i < bp->ctx_pages; i++) {
			bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
						BCM_PAGE_SIZE,
						&bp->ctx_blk_mapping[i]);
			if (bp->ctx_blk[i] == NULL)
				goto alloc_mem_err;
		}
	}
554 555 556 557 558 559 560
	return 0;

alloc_mem_err:
	bnx2_free_mem(bp);
	return -ENOMEM;
}

561 562 563 564 565
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

566 567 568
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
	if (bp->link_up) {
		u32 bmsr;

		switch (bp->line_speed) {
		case SPEED_10:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_10HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_10FULL;
			break;
		case SPEED_100:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_100HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_100FULL;
			break;
		case SPEED_1000:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_1000HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_1000FULL;
			break;
		case SPEED_2500:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_2500HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_2500FULL;
			break;
		}

		fw_link_status |= BNX2_LINK_STATUS_LINK_UP;

		if (bp->autoneg) {
			fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;

604 605
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
606 607 608 609 610 611 612 613 614 615 616 617 618 619

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
			    bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
				fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
			else
				fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
		}
	}
	else
		fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;

	REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
}

M
Michael Chan 已提交
620 621 622 623 624 625 626 627
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
		((bp->phy_flags & PHY_SERDES_FLAG) ? "Remote Copper" :
		 "Copper"));
}

628 629 630 631 632
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
M
Michael Chan 已提交
633 634
		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657

		printk("%d Mbps ", bp->line_speed);

		if (bp->duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			}
			else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
	}
	else {
		netif_carrier_off(bp->dev);
M
Michael Chan 已提交
658 659
		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
660
	}
661 662

	bnx2_report_fw_link(bp);
663 664 665 666 667 668 669 670
}

static void
bnx2_resolve_flow_ctrl(struct bnx2 *bp)
{
	u32 local_adv, remote_adv;

	bp->flow_ctrl = 0;
671
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
672 673 674 675 676 677 678 679 680 681 682 683
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

		if (bp->duplex == DUPLEX_FULL) {
			bp->flow_ctrl = bp->req_flow_ctrl;
		}
		return;
	}

	if (bp->duplex != DUPLEX_FULL) {
		return;
	}

M
Michael Chan 已提交
684 685 686 687 688 689 690 691 692 693 694 695
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5708)) {
		u32 val;

		bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
		if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
			bp->flow_ctrl |= FLOW_CTRL_TX;
		if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
			bp->flow_ctrl |= FLOW_CTRL_RX;
		return;
	}

696 697
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740

	if (bp->phy_flags & PHY_SERDES_FLAG) {
		u32 new_local_adv = 0;
		u32 new_remote_adv = 0;

		if (local_adv & ADVERTISE_1000XPAUSE)
			new_local_adv |= ADVERTISE_PAUSE_CAP;
		if (local_adv & ADVERTISE_1000XPSE_ASYM)
			new_local_adv |= ADVERTISE_PAUSE_ASYM;
		if (remote_adv & ADVERTISE_1000XPAUSE)
			new_remote_adv |= ADVERTISE_PAUSE_CAP;
		if (remote_adv & ADVERTISE_1000XPSE_ASYM)
			new_remote_adv |= ADVERTISE_PAUSE_ASYM;

		local_adv = new_local_adv;
		remote_adv = new_remote_adv;
	}

	/* See Table 28B-3 of 802.3ab-1999 spec. */
	if (local_adv & ADVERTISE_PAUSE_CAP) {
		if(local_adv & ADVERTISE_PAUSE_ASYM) {
	                if (remote_adv & ADVERTISE_PAUSE_CAP) {
				bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
			}
			else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
				bp->flow_ctrl = FLOW_CTRL_RX;
			}
		}
		else {
			if (remote_adv & ADVERTISE_PAUSE_CAP) {
				bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
			}
		}
	}
	else if (local_adv & ADVERTISE_PAUSE_ASYM) {
		if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
			(remote_adv & ADVERTISE_PAUSE_ASYM)) {

			bp->flow_ctrl = FLOW_CTRL_TX;
		}
	}
}

741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
static int
bnx2_5709s_linkup(struct bnx2 *bp)
{
	u32 val, speed;

	bp->link_up = 1;

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
	bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

	if ((bp->autoneg & AUTONEG_SPEED) == 0) {
		bp->line_speed = bp->req_line_speed;
		bp->duplex = bp->req_duplex;
		return 0;
	}
	speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
	switch (speed) {
		case MII_BNX2_GP_TOP_AN_SPEED_10:
			bp->line_speed = SPEED_10;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_100:
			bp->line_speed = SPEED_100;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_1G:
		case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
			bp->line_speed = SPEED_1000;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
			bp->line_speed = SPEED_2500;
			break;
	}
	if (val & MII_BNX2_GP_TOP_AN_FD)
		bp->duplex = DUPLEX_FULL;
	else
		bp->duplex = DUPLEX_HALF;
	return 0;
}

780
static int
M
Michael Chan 已提交
781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810
bnx2_5708s_linkup(struct bnx2 *bp)
{
	u32 val;

	bp->link_up = 1;
	bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
	switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
		case BCM5708S_1000X_STAT1_SPEED_10:
			bp->line_speed = SPEED_10;
			break;
		case BCM5708S_1000X_STAT1_SPEED_100:
			bp->line_speed = SPEED_100;
			break;
		case BCM5708S_1000X_STAT1_SPEED_1G:
			bp->line_speed = SPEED_1000;
			break;
		case BCM5708S_1000X_STAT1_SPEED_2G5:
			bp->line_speed = SPEED_2500;
			break;
	}
	if (val & BCM5708S_1000X_STAT1_FD)
		bp->duplex = DUPLEX_FULL;
	else
		bp->duplex = DUPLEX_HALF;

	return 0;
}

static int
bnx2_5706s_linkup(struct bnx2 *bp)
811 812 813 814 815 816
{
	u32 bmcr, local_adv, remote_adv, common;

	bp->link_up = 1;
	bp->line_speed = SPEED_1000;

817
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
818 819 820 821 822 823 824 825 826 827 828
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

	if (!(bmcr & BMCR_ANENABLE)) {
		return 0;
	}

829 830
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850

	common = local_adv & remote_adv;
	if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {

		if (common & ADVERTISE_1000XFULL) {
			bp->duplex = DUPLEX_FULL;
		}
		else {
			bp->duplex = DUPLEX_HALF;
		}
	}

	return 0;
}

static int
bnx2_copper_linkup(struct bnx2 *bp)
{
	u32 bmcr;

851
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
	if (bmcr & BMCR_ANENABLE) {
		u32 local_adv, remote_adv, common;

		bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
		bnx2_read_phy(bp, MII_STAT1000, &remote_adv);

		common = local_adv & (remote_adv >> 2);
		if (common & ADVERTISE_1000FULL) {
			bp->line_speed = SPEED_1000;
			bp->duplex = DUPLEX_FULL;
		}
		else if (common & ADVERTISE_1000HALF) {
			bp->line_speed = SPEED_1000;
			bp->duplex = DUPLEX_HALF;
		}
		else {
868 869
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926

			common = local_adv & remote_adv;
			if (common & ADVERTISE_100FULL) {
				bp->line_speed = SPEED_100;
				bp->duplex = DUPLEX_FULL;
			}
			else if (common & ADVERTISE_100HALF) {
				bp->line_speed = SPEED_100;
				bp->duplex = DUPLEX_HALF;
			}
			else if (common & ADVERTISE_10FULL) {
				bp->line_speed = SPEED_10;
				bp->duplex = DUPLEX_FULL;
			}
			else if (common & ADVERTISE_10HALF) {
				bp->line_speed = SPEED_10;
				bp->duplex = DUPLEX_HALF;
			}
			else {
				bp->line_speed = 0;
				bp->link_up = 0;
			}
		}
	}
	else {
		if (bmcr & BMCR_SPEED100) {
			bp->line_speed = SPEED_100;
		}
		else {
			bp->line_speed = SPEED_10;
		}
		if (bmcr & BMCR_FULLDPLX) {
			bp->duplex = DUPLEX_FULL;
		}
		else {
			bp->duplex = DUPLEX_HALF;
		}
	}

	return 0;
}

static int
bnx2_set_mac_link(struct bnx2 *bp)
{
	u32 val;

	REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
	if (bp->link_up && (bp->line_speed == SPEED_1000) &&
		(bp->duplex == DUPLEX_HALF)) {
		REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
	}

	/* Configure the EMAC mode register. */
	val = REG_RD(bp, BNX2_EMAC_MODE);

	val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
M
Michael Chan 已提交
927
		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
928
		BNX2_EMAC_MODE_25G_MODE);
929 930

	if (bp->link_up) {
M
Michael Chan 已提交
931 932
		switch (bp->line_speed) {
			case SPEED_10:
M
Michael Chan 已提交
933 934
				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
M
Michael Chan 已提交
935 936 937 938 939 940 941
					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
M
Michael Chan 已提交
942
				val |= BNX2_EMAC_MODE_25G_MODE;
M
Michael Chan 已提交
943 944 945 946 947
				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
	}
	else {
		val |= BNX2_EMAC_MODE_PORT_GMII;
	}

	/* Set the MAC to operate in the appropriate duplex mode. */
	if (bp->duplex == DUPLEX_HALF)
		val |= BNX2_EMAC_MODE_HALF_DUPLEX;
	REG_WR(bp, BNX2_EMAC_MODE, val);

	/* Enable/disable rx PAUSE. */
	bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;

	if (bp->flow_ctrl & FLOW_CTRL_RX)
		bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
	REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);

	/* Enable/disable tx PAUSE. */
	val = REG_RD(bp, BNX2_EMAC_TX_MODE);
	val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;

	if (bp->flow_ctrl & FLOW_CTRL_TX)
		val |= BNX2_EMAC_TX_MODE_FLOW_EN;
	REG_WR(bp, BNX2_EMAC_TX_MODE, val);

	/* Acknowledge the interrupt. */
	REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);

	return 0;
}

979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_GP_STATUS);
}

static void
bnx2_disable_bmsr1(struct bnx2 *bp)
{
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

	if (bp->autoneg & AUTONEG_SPEED)
		bp->advertising |= ADVERTISED_2500baseX_Full;

1009 1010 1011
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1012 1013 1014 1015 1016 1017 1018
	bnx2_read_phy(bp, bp->mii_up1, &up1);
	if (!(up1 & BCM5708S_UP1_2G5)) {
		up1 |= BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, bp->mii_up1, up1);
		ret = 0;
	}

1019 1020 1021 1022
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
	return ret;
}

static int
bnx2_test_and_disable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 0;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

1035 1036 1037
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1038 1039 1040 1041 1042 1043 1044
	bnx2_read_phy(bp, bp->mii_up1, &up1);
	if (up1 & BCM5708S_UP1_2G5) {
		up1 &= ~BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, bp->mii_up1, up1);
		ret = 1;
	}

1045 1046 1047 1048
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
	return ret;
}

static void
bnx2_enable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
		val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
		val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
		bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED) {
		bmcr &= ~BMCR_ANENABLE;
		if (bp->req_duplex == DUPLEX_FULL)
			bmcr |= BMCR_FULLDPLX;
	}
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

static void
bnx2_disable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
		val &= ~MII_BNX2_SD_MISC1_FORCE;
		bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1109 1110 1111 1112 1113 1114 1115 1116 1117
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED)
		bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

1118 1119 1120 1121 1122 1123
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

M
Michael Chan 已提交
1124
	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1125 1126 1127 1128
		bp->link_up = 1;
		return 0;
	}

1129 1130 1131
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return 0;

1132 1133
	link_up = bp->link_up;

1134 1135 1136 1137
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153

	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
		u32 val;

		val = REG_RD(bp, BNX2_EMAC_STATUS);
		if (val & BNX2_EMAC_STATUS_LINK)
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

	if (bmsr & BMSR_LSTATUS) {
		bp->link_up = 1;

		if (bp->phy_flags & PHY_SERDES_FLAG) {
M
Michael Chan 已提交
1154 1155 1156 1157
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1158 1159
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1160 1161 1162 1163 1164 1165 1166 1167
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
		if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1168 1169
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189

		bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		bp->link_up = 0;
	}

	if (bp->link_up != link_up) {
		bnx2_report_link(bp);
	}

	bnx2_set_mac_link(bp);

	return 0;
}

static int
bnx2_reset_phy(struct bnx2 *bp)
{
	int i;
	u32 reg;

1190
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1191 1192 1193 1194 1195

#define PHY_RESET_MAX_WAIT 100
	for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
		udelay(10);

1196
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241
		if (!(reg & BMCR_RESET)) {
			udelay(20);
			break;
		}
	}
	if (i == PHY_RESET_MAX_WAIT) {
		return -EBUSY;
	}
	return 0;
}

static u32
bnx2_phy_get_pause_adv(struct bnx2 *bp)
{
	u32 adv = 0;

	if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
		(FLOW_CTRL_RX | FLOW_CTRL_TX)) {

		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1242 1243
static int bnx2_fw_sync(struct bnx2 *, u32, int);

1244
static int
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
{
	u32 speed_arg = 0, pause_adv;

	pause_adv = bnx2_phy_get_pause_adv(bp);

	if (bp->autoneg & AUTONEG_SPEED) {
		speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
		if (bp->advertising & ADVERTISED_10baseT_Half)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
		if (bp->advertising & ADVERTISED_10baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
		if (bp->advertising & ADVERTISED_100baseT_Half)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
		if (bp->advertising & ADVERTISED_100baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
		if (bp->advertising & ADVERTISED_1000baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
		if (bp->advertising & ADVERTISED_2500baseX_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
	} else {
		if (bp->req_line_speed == SPEED_2500)
			speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
		else if (bp->req_line_speed == SPEED_1000)
			speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
		else if (bp->req_line_speed == SPEED_100) {
			if (bp->req_duplex == DUPLEX_FULL)
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
			else
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
		} else if (bp->req_line_speed == SPEED_10) {
			if (bp->req_duplex == DUPLEX_FULL)
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
			else
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
		}
	}

	if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
		speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_1000XPSE_ASYM))
		speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;

	if (port == PORT_TP)
		speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
			     BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;

	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB_ARG0, speed_arg);

	spin_unlock_bh(&bp->phy_lock);
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1303
{
1304
	u32 adv, bmcr;
1305 1306
	u32 new_adv = 0;

1307 1308 1309
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return (bnx2_setup_remote_phy(bp, port));

1310 1311
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
M
Michael Chan 已提交
1312 1313
		int force_link_down = 0;

1314 1315 1316 1317 1318 1319 1320
		if (bp->req_line_speed == SPEED_2500) {
			if (!bnx2_test_and_enable_2g5(bp))
				force_link_down = 1;
		} else if (bp->req_line_speed == SPEED_1000) {
			if (bnx2_test_and_disable_2g5(bp))
				force_link_down = 1;
		}
1321
		bnx2_read_phy(bp, bp->mii_adv, &adv);
M
Michael Chan 已提交
1322 1323
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1324
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1325
		new_bmcr = bmcr & ~BMCR_ANENABLE;
M
Michael Chan 已提交
1326
		new_bmcr |= BMCR_SPEED1000;
1327

1328 1329 1330 1331 1332 1333 1334 1335 1336
		if (CHIP_NUM(bp) == CHIP_NUM_5709) {
			if (bp->req_line_speed == SPEED_2500)
				bnx2_enable_forced_2g5(bp);
			else if (bp->req_line_speed == SPEED_1000) {
				bnx2_disable_forced_2g5(bp);
				new_bmcr &= ~0x2000;
			}

		} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1337 1338 1339 1340
			if (bp->req_line_speed == SPEED_2500)
				new_bmcr |= BCM5708S_BMCR_FORCE_2500;
			else
				new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
M
Michael Chan 已提交
1341 1342
		}

1343
		if (bp->req_duplex == DUPLEX_FULL) {
M
Michael Chan 已提交
1344
			adv |= ADVERTISE_1000XFULL;
1345 1346 1347
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
M
Michael Chan 已提交
1348
			adv |= ADVERTISE_1000XHALF;
1349 1350
			new_bmcr &= ~BMCR_FULLDPLX;
		}
M
Michael Chan 已提交
1351
		if ((new_bmcr != bmcr) || (force_link_down)) {
1352 1353
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1354
				bnx2_write_phy(bp, bp->mii_adv, adv &
M
Michael Chan 已提交
1355 1356
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1357
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1358 1359 1360 1361
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1362
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
M
Michael Chan 已提交
1363
				bnx2_report_link(bp);
1364
			}
1365 1366
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1367 1368 1369
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1370 1371 1372 1373
		}
		return 0;
	}

1374
	bnx2_test_and_enable_2g5(bp);
M
Michael Chan 已提交
1375

1376 1377 1378 1379 1380
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1381 1382
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1383 1384 1385 1386 1387

	bp->serdes_an_pending = 0;
	if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
		/* Force a link down visible on the other side */
		if (bp->link_up) {
1388
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
M
Michael Chan 已提交
1389 1390 1391
			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1392 1393
		}

1394 1395
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1396
			BMCR_ANENABLE);
1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407
		/* Speed up link-up time when the link partner
		 * does not autonegotiate which is very common
		 * in blade servers. Some blade servers use
		 * IPMI for kerboard input and it's important
		 * to minimize link disruptions. Autoneg. involves
		 * exchanging base pages plus 3 next pages and
		 * normally completes in about 120 msec.
		 */
		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1408 1409 1410
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1411 1412 1413 1414 1415 1416
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1417 1418 1419
	(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ?			\
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1420 1421 1422 1423 1424 1425 1426 1427

#define ETHTOOL_ALL_COPPER_SPEED					\
	(ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |		\
	ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |		\
	ADVERTISED_1000baseT_Full)

#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
	ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1428

1429 1430
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
		link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_COPPER_LINK);
	else
		link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_SERDES_LINK);

	if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
		bp->req_line_speed = 0;
		bp->autoneg |= AUTONEG_SPEED;
		bp->advertising = ADVERTISED_Autoneg;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
			bp->advertising |= ADVERTISED_10baseT_Half;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
			bp->advertising |= ADVERTISED_10baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
			bp->advertising |= ADVERTISED_100baseT_Half;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
			bp->advertising |= ADVERTISED_100baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
			bp->advertising |= ADVERTISED_1000baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
			bp->advertising |= ADVERTISED_2500baseX_Full;
	} else {
		bp->autoneg = 0;
		bp->advertising = 0;
		bp->req_duplex = DUPLEX_FULL;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
			bp->req_line_speed = SPEED_10;
			if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
				bp->req_duplex = DUPLEX_HALF;
		}
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
			bp->req_line_speed = SPEED_100;
			if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
				bp->req_duplex = DUPLEX_HALF;
		}
		if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
			bp->req_line_speed = SPEED_1000;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
			bp->req_line_speed = SPEED_2500;
	}
}

1478 1479 1480
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1481 1482 1483
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return bnx2_set_default_remote_link(bp);

1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

		reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
		reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
		if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
			bp->autoneg = 0;
			bp->req_line_speed = bp->line_speed = SPEED_1000;
			bp->req_duplex = DUPLEX_FULL;
		}
	} else
		bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
}

M
Michael Chan 已提交
1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515
static void
bnx2_send_heart_beat(struct bnx2 *bp)
{
	u32 msg;
	u32 addr;

	spin_lock(&bp->indirect_lock);
	msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
	addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
	spin_unlock(&bp->indirect_lock);
}

1516 1517 1518 1519 1520 1521 1522 1523 1524
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

	msg = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);

M
Michael Chan 已提交
1525 1526 1527 1528 1529
	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606
	if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
		bp->link_up = 0;
	else {
		u32 speed;

		bp->link_up = 1;
		speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
		bp->duplex = DUPLEX_FULL;
		switch (speed) {
			case BNX2_LINK_STATUS_10HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_10FULL:
				bp->line_speed = SPEED_10;
				break;
			case BNX2_LINK_STATUS_100HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_100BASE_T4:
			case BNX2_LINK_STATUS_100FULL:
				bp->line_speed = SPEED_100;
				break;
			case BNX2_LINK_STATUS_1000HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_1000FULL:
				bp->line_speed = SPEED_1000;
				break;
			case BNX2_LINK_STATUS_2500HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_2500FULL:
				bp->line_speed = SPEED_2500;
				break;
			default:
				bp->line_speed = 0;
				break;
		}

		spin_lock(&bp->phy_lock);
		bp->flow_ctrl = 0;
		if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
		    (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
			if (bp->duplex == DUPLEX_FULL)
				bp->flow_ctrl = bp->req_flow_ctrl;
		} else {
			if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_TX;
			if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_RX;
		}

		old_port = bp->phy_port;
		if (msg & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;

		if (old_port != bp->phy_port)
			bnx2_set_default_link(bp);

		spin_unlock(&bp->phy_lock);
	}
	if (bp->link_up != link_up)
		bnx2_report_link(bp);

	bnx2_set_mac_link(bp);
}

static int
bnx2_set_remote_link(struct bnx2 *bp)
{
	u32 evt_code;

	evt_code = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_EVT_CODE_MB);
	switch (evt_code) {
		case BNX2_FW_EVT_CODE_LINK_EVENT:
			bnx2_remote_phy_event(bp);
			break;
		case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
		default:
M
Michael Chan 已提交
1607
			bnx2_send_heart_beat(bp);
1608 1609 1610 1611 1612
			break;
	}
	return 0;
}

1613 1614 1615 1616 1617 1618
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1619
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1620 1621 1622 1623 1624 1625

	if (bp->autoneg & AUTONEG_SPEED) {
		u32 adv_reg, adv1000_reg;
		u32 new_adv_reg = 0;
		u32 new_adv1000_reg = 0;

1626
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
		adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
			ADVERTISE_PAUSE_ASYM);

		bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
		adv1000_reg &= PHY_ALL_1000_SPEED;

		if (bp->advertising & ADVERTISED_10baseT_Half)
			new_adv_reg |= ADVERTISE_10HALF;
		if (bp->advertising & ADVERTISED_10baseT_Full)
			new_adv_reg |= ADVERTISE_10FULL;
		if (bp->advertising & ADVERTISED_100baseT_Half)
			new_adv_reg |= ADVERTISE_100HALF;
		if (bp->advertising & ADVERTISED_100baseT_Full)
			new_adv_reg |= ADVERTISE_100FULL;
		if (bp->advertising & ADVERTISED_1000baseT_Full)
			new_adv1000_reg |= ADVERTISE_1000FULL;
1643

1644 1645 1646 1647 1648 1649 1650 1651
		new_adv_reg |= ADVERTISE_CSMA;

		new_adv_reg |= bnx2_phy_get_pause_adv(bp);

		if ((adv1000_reg != new_adv1000_reg) ||
			(adv_reg != new_adv_reg) ||
			((bmcr & BMCR_ANENABLE) == 0)) {

1652
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1653
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1654
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676
				BMCR_ANENABLE);
		}
		else if (bp->link_up) {
			/* Flow ctrl may have changed from auto to forced */
			/* or vice-versa. */

			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
		}
		return 0;
	}

	new_bmcr = 0;
	if (bp->req_line_speed == SPEED_100) {
		new_bmcr |= BMCR_SPEED100;
	}
	if (bp->req_duplex == DUPLEX_FULL) {
		new_bmcr |= BMCR_FULLDPLX;
	}
	if (new_bmcr != bmcr) {
		u32 bmsr;

1677 1678
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1679

1680 1681
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1682
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1683 1684 1685 1686
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1687 1688
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1689 1690
		}

1691
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702

		/* Normally, the new speed is setup after the link has
		 * gone down and up again. In some cases, link will not go
		 * down so we need to set up the new speed here.
		 */
		if (bmsr & BMSR_LSTATUS) {
			bp->line_speed = bp->req_line_speed;
			bp->duplex = bp->req_duplex;
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
		}
1703 1704 1705
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1706 1707 1708 1709 1710
	}
	return 0;
}

static int
1711
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1712 1713 1714 1715 1716
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
1717
		return (bnx2_setup_serdes_phy(bp, port));
1718 1719 1720 1721 1722 1723
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
static int
bnx2_init_5709s_phy(struct bnx2 *bp)
{
	u32 val;

	bp->mii_bmcr = MII_BMCR + 0x10;
	bp->mii_bmsr = MII_BMSR + 0x10;
	bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
	bp->mii_adv = MII_ADVERTISE + 0x10;
	bp->mii_lpa = MII_LPA + 0x10;
	bp->mii_up1 = MII_BNX2_OVER1G_UP1;

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
	bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
	bnx2_reset_phy(bp);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);

	bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
	val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
	val |= MII_BNX2_SD_1000XCTL1_FIBER;
	bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
	bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
	if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
		val |= BCM5708S_UP1_2G5;
	else
		val &= ~BCM5708S_UP1_2G5;
	bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
	bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
	val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
	bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);

	val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
	      MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
	bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

	return 0;
}

1773
static int
M
Michael Chan 已提交
1774 1775 1776 1777
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

1778 1779 1780 1781
	bnx2_reset_phy(bp);

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800
	bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
	bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
	bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);

	bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
	val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
	bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);

	bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
	val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
	bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);

	if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
		bnx2_read_phy(bp, BCM5708S_UP1, &val);
		val |= BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, BCM5708S_UP1, val);
	}

	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
M
Michael Chan 已提交
1801 1802
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1803 1804 1805 1806 1807 1808 1809 1810 1811
		/* increase tx signal amplitude */
		bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
			       BCM5708S_BLK_ADDR_TX_MISC);
		bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
		val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
		bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
		bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
	}

1812
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1813 1814 1815 1816 1817
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1818
		is_backplane = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832
					  BNX2_SHARED_HW_CFG_CONFIG);
		if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_TX_MISC);
			bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_DIG);
		}
	}
	return 0;
}

static int
bnx2_init_5706s_phy(struct bnx2 *bp)
1833
{
1834 1835
	bnx2_reset_phy(bp);

1836 1837
	bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

M
Michael Chan 已提交
1838 1839
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870

	if (bp->dev->mtu > 1500) {
		u32 val;

		/* Set extended packet length bit */
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
	}
	else {
		u32 val;

		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val & ~0x4007);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
	}

	return 0;
}

static int
bnx2_init_copper_phy(struct bnx2 *bp)
{
M
Michael Chan 已提交
1871 1872
	u32 val;

1873 1874
	bnx2_reset_phy(bp);

1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
	if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
		bnx2_write_phy(bp, 0x18, 0x0c00);
		bnx2_write_phy(bp, 0x17, 0x000a);
		bnx2_write_phy(bp, 0x15, 0x310b);
		bnx2_write_phy(bp, 0x17, 0x201f);
		bnx2_write_phy(bp, 0x15, 0x9506);
		bnx2_write_phy(bp, 0x17, 0x401f);
		bnx2_write_phy(bp, 0x15, 0x14e2);
		bnx2_write_phy(bp, 0x18, 0x0400);
	}

1886 1887 1888 1889 1890 1891 1892 1893
	if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
		bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
			       MII_BNX2_DSP_EXPAND_REG | 0x8);
		bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
		val &= ~(1 << 8);
		bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
	}

1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911
	if (bp->dev->mtu > 1500) {
		/* Set extended packet length bit */
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val | 0x4000);

		bnx2_read_phy(bp, 0x10, &val);
		bnx2_write_phy(bp, 0x10, val | 0x1);
	}
	else {
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val & ~0x4007);

		bnx2_read_phy(bp, 0x10, &val);
		bnx2_write_phy(bp, 0x10, val & ~0x1);
	}

M
Michael Chan 已提交
1912 1913 1914 1915
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928
	return 0;
}


static int
bnx2_init_phy(struct bnx2 *bp)
{
	u32 val;
	int rc = 0;

	bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
	bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;

1929 1930
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
1931
	bp->mii_bmsr1 = MII_BMSR;
1932 1933 1934
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

1935 1936
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

1937 1938 1939
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		goto setup_phy;

1940 1941 1942 1943 1944 1945
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
M
Michael Chan 已提交
1946 1947 1948 1949
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			rc = bnx2_init_5706s_phy(bp);
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
			rc = bnx2_init_5708s_phy(bp);
1950 1951
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
			rc = bnx2_init_5709s_phy(bp);
1952 1953 1954 1955 1956
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

1957 1958 1959
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976

	return rc;
}

static int
bnx2_set_mac_loopback(struct bnx2 *bp)
{
	u32 mac_mode;

	mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
	mac_mode &= ~BNX2_EMAC_MODE_PORT;
	mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
	REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
	bp->link_up = 1;
	return 0;
}

M
Michael Chan 已提交
1977 1978 1979 1980 1981 1982 1983 1984 1985
static int bnx2_test_link(struct bnx2 *);

static int
bnx2_set_phy_loopback(struct bnx2 *bp)
{
	u32 mac_mode;
	int rc, i;

	spin_lock_bh(&bp->phy_lock);
1986
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
1987 1988 1989 1990 1991 1992 1993 1994
			    BMCR_SPEED1000);
	spin_unlock_bh(&bp->phy_lock);
	if (rc)
		return rc;

	for (i = 0; i < 10; i++) {
		if (bnx2_test_link(bp) == 0)
			break;
M
Michael Chan 已提交
1995
		msleep(100);
M
Michael Chan 已提交
1996 1997 1998 1999 2000
	}

	mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
	mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
		      BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
2001
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2002 2003 2004 2005 2006 2007 2008

	mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
	REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
	bp->link_up = 1;
	return 0;
}

2009
static int
2010
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2011 2012 2013 2014 2015 2016 2017
{
	int i;
	u32 val;

	bp->fw_wr_seq++;
	msg_data |= bp->fw_wr_seq;

2018
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2019 2020

	/* wait for an acknowledgement. */
2021 2022
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
2023

2024
		val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
2025 2026 2027 2028

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2029 2030
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2031 2032

	/* If we timed out, inform the firmware that this is the case. */
2033 2034 2035 2036
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
			printk(KERN_ERR PFX "fw sync timeout, reset code = "
					    "%x\n", msg_data);
2037 2038 2039 2040

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2041
		REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2042 2043 2044 2045

		return -EBUSY;
	}

2046 2047 2048
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2049 2050 2051
	return 0;
}

M
Michael Chan 已提交
2052 2053 2054 2055 2056 2057 2058 2059 2060
static int
bnx2_init_5709_context(struct bnx2 *bp)
{
	int i, ret = 0;
	u32 val;

	val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
	val |= (BCM_PAGE_BITS - 8) << 16;
	REG_WR(bp, BNX2_CTX_COMMAND, val);
2061 2062 2063 2064 2065 2066 2067 2068 2069
	for (i = 0; i < 10; i++) {
		val = REG_RD(bp, BNX2_CTX_COMMAND);
		if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
			break;
		udelay(2);
	}
	if (val & BNX2_CTX_COMMAND_MEM_INIT)
		return -EBUSY;

M
Michael Chan 已提交
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
		       (bp->ctx_blk_mapping[i] & 0xffffffff) |
		       BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
		       (u64) bp->ctx_blk_mapping[i] >> 32);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
		       BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
		for (j = 0; j < 10; j++) {

			val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
			if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
				break;
			udelay(5);
		}
		if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
			ret = -EBUSY;
			break;
		}
	}
	return ret;
}

2095 2096 2097 2098 2099 2100 2101 2102
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2103
		int i;
2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123

		vcid--;

		if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
			u32 new_vcid;

			vcid_addr = GET_PCID_ADDR(vcid);
			if (vcid & 0x8) {
				new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
			}
			else {
				new_vcid = vcid;
			}
			pcid_addr = GET_PCID_ADDR(new_vcid);
		}
		else {
	    		vcid_addr = GET_CID_ADDR(vcid);
			pcid_addr = vcid_addr;
		}

2124 2125 2126
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2127

2128 2129
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2130

2131 2132 2133 2134 2135 2136 2137
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
				CTX_WR(bp, 0x00, offset, 0);

			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
		}
2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192
	}
}

static int
bnx2_alloc_bad_rbuf(struct bnx2 *bp)
{
	u16 *good_mbuf;
	u32 good_mbuf_cnt;
	u32 val;

	good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
	if (good_mbuf == NULL) {
		printk(KERN_ERR PFX "Failed to allocate memory in "
				    "bnx2_alloc_bad_rbuf\n");
		return -ENOMEM;
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
		BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);

	good_mbuf_cnt = 0;

	/* Allocate a bunch of mbufs and save the good ones in an array. */
	val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
		REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);

		val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);

		val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;

		/* The addresses with Bit 9 set are bad memory blocks. */
		if (!(val & (1 << 9))) {
			good_mbuf[good_mbuf_cnt] = (u16) val;
			good_mbuf_cnt++;
		}

		val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
	}

	/* Free the good ones back to the mbuf pool thus discarding
	 * all the bad ones. */
	while (good_mbuf_cnt) {
		good_mbuf_cnt--;

		val = good_mbuf[good_mbuf_cnt];
		val = (val << 9) | val | 1;

		REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
	}
	kfree(good_mbuf);
	return 0;
}

static void
2193
bnx2_set_mac_addr(struct bnx2 *bp)
2194 2195 2196 2197 2198 2199 2200 2201
{
	u32 val;
	u8 *mac_addr = bp->dev->dev_addr;

	val = (mac_addr[0] << 8) | mac_addr[1];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);

2202
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

static inline int
bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2214
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2215 2216
	unsigned long align;

2217
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2218 2219 2220 2221
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2222 2223
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);

	rx_buf->skb = skb;
	pci_unmap_addr_set(rx_buf, mapping, mapping);

	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;

	bp->rx_prod_bseq += bp->rx_buf_use_size;

	return 0;
}

2239 2240
static int
bnx2_phy_event_is_set(struct bnx2 *bp, u32 event)
2241
{
2242
	struct status_block *sblk = bp->status_blk;
2243
	u32 new_link_state, old_link_state;
2244
	int is_set = 1;
2245

2246 2247
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2248
	if (new_link_state != old_link_state) {
2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263
		if (new_link_state)
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
		else
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
	} else
		is_set = 0;

	return is_set;
}

static void
bnx2_phy_int(struct bnx2 *bp)
{
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_LINK_STATE)) {
		spin_lock(&bp->phy_lock);
2264
		bnx2_set_link(bp);
2265
		spin_unlock(&bp->phy_lock);
2266
	}
2267 2268 2269
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_TIMER_ABORT))
		bnx2_set_remote_link(bp);

2270 2271 2272 2273 2274
}

static void
bnx2_tx_int(struct bnx2 *bp)
{
M
Michael Chan 已提交
2275
	struct status_block *sblk = bp->status_blk;
2276 2277 2278
	u16 hw_cons, sw_cons, sw_ring_cons;
	int tx_free_bd = 0;

M
Michael Chan 已提交
2279
	hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293
	if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
		hw_cons++;
	}
	sw_cons = bp->tx_cons;

	while (sw_cons != hw_cons) {
		struct sw_bd *tx_buf;
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

		tx_buf = &bp->tx_buf_ring[sw_ring_cons];
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2294

2295
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2296
		if (skb_is_gso(skb)) {
2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309
			u16 last_idx, last_ring_idx;

			last_idx = sw_cons +
				skb_shinfo(skb)->nr_frags + 1;
			last_ring_idx = sw_ring_cons +
				skb_shinfo(skb)->nr_frags + 1;
			if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
				last_idx++;
			}
			if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
				break;
			}
		}
A
Arjan van de Ven 已提交
2310

2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;
		last = skb_shinfo(skb)->nr_frags;

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);

			pci_unmap_page(bp->pdev,
				pci_unmap_addr(
					&bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
				       	mapping),
				skb_shinfo(skb)->frags[i].size,
				PCI_DMA_TODEVICE);
		}

		sw_cons = NEXT_TX_BD(sw_cons);

		tx_free_bd += last + 1;

2332
		dev_kfree_skb(skb);
2333

M
Michael Chan 已提交
2334 2335 2336
		hw_cons = bp->hw_tx_cons =
			sblk->status_tx_quick_consumer_index0;

2337 2338 2339 2340 2341
		if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
			hw_cons++;
		}
	}

M
Michael Chan 已提交
2342
	bp->tx_cons = sw_cons;
M
Michael Chan 已提交
2343 2344 2345 2346 2347 2348
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
	 * before checking for netif_queue_stopped().  Without the
	 * memory barrier, there is a small possibility that bnx2_start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();
2349

M
Michael Chan 已提交
2350 2351 2352
	if (unlikely(netif_queue_stopped(bp->dev)) &&
		     (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
		netif_tx_lock(bp->dev);
2353
		if ((netif_queue_stopped(bp->dev)) &&
M
Michael Chan 已提交
2354
		    (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
2355
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2356
		netif_tx_unlock(bp->dev);
2357 2358 2359 2360 2361 2362 2363
	}
}

static inline void
bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
	u16 cons, u16 prod)
{
2364 2365 2366 2367 2368
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

	cons_rx_buf = &bp->rx_buf_ring[cons];
	prod_rx_buf = &bp->rx_buf_ring[prod];
2369 2370 2371 2372 2373

	pci_dma_sync_single_for_device(bp->pdev,
		pci_unmap_addr(cons_rx_buf, mapping),
		bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

2374
	bp->rx_prod_bseq += bp->rx_buf_use_size;
2375

2376
	prod_rx_buf->skb = skb;
2377

2378 2379
	if (cons == prod)
		return;
2380

2381 2382 2383
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2384 2385
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2386 2387
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2388 2389 2390 2391 2392
}

static int
bnx2_rx_int(struct bnx2 *bp, int budget)
{
M
Michael Chan 已提交
2393
	struct status_block *sblk = bp->status_blk;
2394 2395 2396 2397
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
	int rx_pkt = 0;

M
Michael Chan 已提交
2398
	hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410
	if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
		hw_cons++;
	}
	sw_cons = bp->rx_cons;
	sw_prod = bp->rx_prod;

	/* Memory barrier necessary as speculative reads of the rx
	 * buffer can be ahead of the index in the status block
	 */
	rmb();
	while (sw_cons != hw_cons) {
		unsigned int len;
2411
		u32 status;
2412 2413
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2414
		dma_addr_t dma_addr;
2415 2416 2417 2418 2419 2420

		sw_ring_cons = RX_RING_IDX(sw_cons);
		sw_ring_prod = RX_RING_IDX(sw_prod);

		rx_buf = &bp->rx_buf_ring[sw_ring_cons];
		skb = rx_buf->skb;
2421 2422 2423 2424 2425 2426

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2427 2428 2429 2430 2431
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
		len = rx_hdr->l2_fhdr_pkt_len - 4;

2432
		if ((status = rx_hdr->l2_fhdr_status) &
2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447
			(L2_FHDR_ERRORS_BAD_CRC |
			L2_FHDR_ERRORS_PHY_DECODE |
			L2_FHDR_ERRORS_ALIGNMENT |
			L2_FHDR_ERRORS_TOO_SHORT |
			L2_FHDR_ERRORS_GIANT_FRAME)) {

			goto reuse_rx;
		}

		/* Since we don't have a jumbo ring, copy small packets
		 * if mtu > 1500
		 */
		if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
			struct sk_buff *new_skb;

2448
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2449 2450 2451 2452
			if (new_skb == NULL)
				goto reuse_rx;

			/* aligned copy */
2453 2454
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2455 2456 2457 2458 2459 2460 2461 2462 2463
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

			bnx2_reuse_rx_skb(bp, skb,
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
		}
		else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
2464
			pci_unmap_single(bp->pdev, dma_addr,
2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479
				bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

			skb_reserve(skb, bp->rx_offset);
			skb_put(skb, len);
		}
		else {
reuse_rx:
			bnx2_reuse_rx_skb(bp, skb,
				sw_ring_cons, sw_ring_prod);
			goto next_rx;
		}

		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2480
			(ntohs(skb->protocol) != 0x8100)) {
2481

2482
			dev_kfree_skb(skb);
2483 2484 2485 2486 2487 2488 2489 2490 2491
			goto next_rx;

		}

		skb->ip_summed = CHECKSUM_NONE;
		if (bp->rx_csum &&
			(status & (L2_FHDR_STATUS_TCP_SEGMENT |
			L2_FHDR_STATUS_UDP_DATAGRAM))) {

2492 2493
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				rx_hdr->l2_fhdr_vlan_tag);
		}
		else
#endif
			netif_receive_skb(skb);

		bp->dev->last_rx = jiffies;
		rx_pkt++;

next_rx:
		sw_cons = NEXT_RX_BD(sw_cons);
		sw_prod = NEXT_RX_BD(sw_prod);

		if ((rx_pkt == budget))
			break;
M
Michael Chan 已提交
2515 2516 2517 2518 2519 2520 2521 2522 2523

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
			hw_cons = bp->hw_rx_cons =
				sblk->status_rx_quick_consumer_index0;
			if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
				hw_cons++;
			rmb();
		}
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541
	}
	bp->rx_cons = sw_cons;
	bp->rx_prod = sw_prod;

	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);

	mmiowb();

	return rx_pkt;

}

/* MSI ISR - The only difference between this and the INTx ISR
 * is that the MSI interrupt is always serviced.
 */
static irqreturn_t
2542
bnx2_msi(int irq, void *dev_instance)
2543 2544
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2545
	struct bnx2 *bp = netdev_priv(dev);
2546

2547
	prefetch(bp->status_blk);
2548 2549 2550 2551 2552
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

	/* Return here if interrupt is disabled. */
2553 2554
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2555

2556
	netif_rx_schedule(dev, &bp->napi);
2557

2558
	return IRQ_HANDLED;
2559 2560
}

2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);

	prefetch(bp->status_blk);

	/* Return here if interrupt is disabled. */
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;

2573
	netif_rx_schedule(dev, &bp->napi);
2574 2575 2576 2577

	return IRQ_HANDLED;
}

2578
static irqreturn_t
2579
bnx2_interrupt(int irq, void *dev_instance)
2580 2581
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2582
	struct bnx2 *bp = netdev_priv(dev);
2583
	struct status_block *sblk = bp->status_blk;
2584 2585 2586 2587 2588 2589 2590

	/* When using INTx, it is possible for the interrupt to arrive
	 * at the CPU before the status block posted prior to the
	 * interrupt. Reading a register will flush the status block.
	 * When using MSI, the MSI message will always complete after
	 * the status block write.
	 */
2591
	if ((sblk->status_idx == bp->last_status_idx) &&
2592 2593
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2594
		return IRQ_NONE;
2595 2596 2597 2598 2599

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

2600 2601 2602 2603 2604
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

2605
	/* Return here if interrupt is shared and is disabled. */
2606 2607
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2608

2609
	if (netif_rx_schedule_prep(dev, &bp->napi)) {
2610
		bp->last_status_idx = sblk->status_idx;
2611
		__netif_rx_schedule(dev, &bp->napi);
2612
	}
2613

2614
	return IRQ_HANDLED;
2615 2616
}

2617 2618
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2619

M
Michael Chan 已提交
2620 2621 2622 2623 2624 2625 2626 2627 2628
static inline int
bnx2_has_work(struct bnx2 *bp)
{
	struct status_block *sblk = bp->status_blk;

	if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
	    (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
		return 1;

2629 2630
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
2631 2632 2633 2634 2635
		return 1;

	return 0;
}

2636
static int
2637
bnx2_poll(struct napi_struct *napi, int budget)
2638
{
2639 2640
	struct bnx2 *bp = container_of(napi, struct bnx2, napi);
	struct net_device *dev = bp->dev;
2641 2642 2643
	struct status_block *sblk = bp->status_blk;
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
2644
	int work_done = 0;
2645

2646 2647
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
2648 2649

		bnx2_phy_int(bp);
M
Michael Chan 已提交
2650 2651 2652 2653 2654 2655 2656

		/* This is needed to take care of transient status
		 * during link changes.
		 */
		REG_WR(bp, BNX2_HC_COMMAND,
		       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
		REG_RD(bp, BNX2_HC_COMMAND);
2657 2658
	}

M
Michael Chan 已提交
2659
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
2660 2661
		bnx2_tx_int(bp);

2662 2663
	if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons)
		work_done = bnx2_rx_int(bp, budget);
2664

M
Michael Chan 已提交
2665 2666 2667 2668
	bp->last_status_idx = bp->status_blk->status_idx;
	rmb();

	if (!bnx2_has_work(bp)) {
2669
		netif_rx_complete(dev, napi);
2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680
		if (likely(bp->flags & USING_MSI_FLAG)) {
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
			       bp->last_status_idx);
			return 0;
		}
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
		       bp->last_status_idx);

2681
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2682 2683
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       bp->last_status_idx);
2684 2685
	}

2686
	return work_done;
2687 2688
}

H
Herbert Xu 已提交
2689
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
2690 2691 2692 2693 2694
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
2695
	struct bnx2 *bp = netdev_priv(dev);
2696 2697 2698
	u32 rx_mode, sort_mode;
	int i;

2699
	spin_lock_bh(&bp->phy_lock);
2700 2701 2702 2703 2704

	rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
				  BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
	sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
#ifdef BCM_VLAN
M
Michael Chan 已提交
2705
	if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2706 2707
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
M
Michael Chan 已提交
2708 2709
	if (!(bp->flags & ASF_ENABLE_FLAG))
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2710 2711 2712 2713
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
2714 2715
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760
	}
	else if (dev->flags & IFF_ALLMULTI) {
		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       0xffffffff);
        	}
		sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
	}
	else {
		/* Accept one or more multicast(s). */
		struct dev_mc_list *mclist;
		u32 mc_filter[NUM_MC_HASH_REGISTERS];
		u32 regidx;
		u32 bit;
		u32 crc;

		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);

		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
		     i++, mclist = mclist->next) {

			crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
			bit = crc & 0xff;
			regidx = (bit & 0xe0) >> 5;
			bit &= 0x1f;
			mc_filter[regidx] |= (1 << bit);
		}

		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       mc_filter[i]);
		}

		sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
	}

	if (rx_mode != bp->rx_mode) {
		bp->rx_mode = rx_mode;
		REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
	}

	REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);

2761
	spin_unlock_bh(&bp->phy_lock);
2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772
}

static void
load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
	u32 rv2p_proc)
{
	int i;
	u32 val;


	for (i = 0; i < rv2p_code_len; i += 8) {
2773
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
2774
		rv2p_code++;
2775
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796
		rv2p_code++;

		if (rv2p_proc == RV2P_PROC1) {
			val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
		}
		else {
			val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
		}
	}

	/* Reset the processor, un-stall is done later. */
	if (rv2p_proc == RV2P_PROC1) {
		REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
	}
	else {
		REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
	}
}

2797
static int
2798 2799 2800 2801
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
2802
	int rc;
2803 2804 2805 2806 2807 2808 2809 2810 2811

	/* Halt the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val |= cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->mode, val);
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);

	/* Load the Text area. */
	offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2812
	if (fw->gz_text) {
2813 2814
		int j;

M
Michael Chan 已提交
2815 2816 2817
		rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
				       fw->gz_text_len);
		if (rc < 0)
D
Denys Vlasenko 已提交
2818
			return rc;
M
Michael Chan 已提交
2819

2820
		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
M
Michael Chan 已提交
2821
			REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836
	        }
	}

	/* Load the Data area. */
	offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
	if (fw->data) {
		int j;

		for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->data[j]);
		}
	}

	/* Load the SBSS area. */
	offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
2837
	if (fw->sbss_len) {
2838 2839 2840
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
M
Michael Chan 已提交
2841
			REG_WR_IND(bp, offset, 0);
2842 2843 2844 2845 2846
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
2847
	if (fw->bss_len) {
2848 2849 2850
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
M
Michael Chan 已提交
2851
			REG_WR_IND(bp, offset, 0);
2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874
		}
	}

	/* Load the Read-Only area. */
	offset = cpu_reg->spad_base +
		(fw->rodata_addr - cpu_reg->mips_view_base);
	if (fw->rodata) {
		int j;

		for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->rodata[j]);
		}
	}

	/* Clear the pre-fetch instruction. */
	REG_WR_IND(bp, cpu_reg->inst, 0);
	REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);

	/* Start the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val &= ~cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
	REG_WR_IND(bp, cpu_reg->mode, val);
2875 2876

	return 0;
2877 2878
}

2879
static int
2880 2881 2882
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
2883
	struct fw_info *fw;
D
Denys Vlasenko 已提交
2884
	int rc;
2885
	void *text;
2886 2887

	/* Initialize the RV2P processor. */
D
Denys Vlasenko 已提交
2888 2889 2890
	text = vmalloc(FW_BUF_SIZE);
	if (!text)
		return -ENOMEM;
2891
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1));
M
Michael Chan 已提交
2892
	if (rc < 0)
2893
		goto init_cpu_err;
M
Michael Chan 已提交
2894

D
Denys Vlasenko 已提交
2895
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
2896

2897
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2));
M
Michael Chan 已提交
2898
	if (rc < 0)
2899
		goto init_cpu_err;
M
Michael Chan 已提交
2900

D
Denys Vlasenko 已提交
2901
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915

	/* Initialize the RX Processor. */
	cpu_reg.mode = BNX2_RXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_RXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_RXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2916

M
Michael Chan 已提交
2917 2918 2919 2920
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
2921

M
Michael Chan 已提交
2922
	fw->text = text;
2923
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2924 2925 2926
	if (rc)
		goto init_cpu_err;

2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939
	/* Initialize the TX Processor. */
	cpu_reg.mode = BNX2_TXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2940

M
Michael Chan 已提交
2941 2942 2943 2944
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
2945

M
Michael Chan 已提交
2946
	fw->text = text;
2947
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2948 2949 2950
	if (rc)
		goto init_cpu_err;

2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963
	/* Initialize the TX Patch-up Processor. */
	cpu_reg.mode = BNX2_TPAT_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TPAT_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2964

M
Michael Chan 已提交
2965 2966 2967 2968
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
2969

M
Michael Chan 已提交
2970
	fw->text = text;
2971
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2972 2973 2974
	if (rc)
		goto init_cpu_err;

2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987
	/* Initialize the Completion Processor. */
	cpu_reg.mode = BNX2_COM_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_COM_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_COM_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
2988

M
Michael Chan 已提交
2989 2990 2991 2992
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
2993

M
Michael Chan 已提交
2994
	fw->text = text;
2995
	rc = load_cpu_fw(bp, &cpu_reg, fw);
2996 2997 2998
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011
	/* Initialize the Command Processor. */
	cpu_reg.mode = BNX2_CP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_CP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_CP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3012

M
Michael Chan 已提交
3013 3014
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		fw = &bnx2_cp_fw_09;
3015

M
Michael Chan 已提交
3016
		fw->text = text;
A
Adrian Bunk 已提交
3017
		rc = load_cpu_fw(bp, &cpu_reg, fw);
M
Michael Chan 已提交
3018 3019 3020
		if (rc)
			goto init_cpu_err;
	}
3021
init_cpu_err:
M
Michael Chan 已提交
3022
	vfree(text);
3023
	return rc;
3024 3025 3026
}

static int
3027
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3028 3029 3030 3031 3032 3033
{
	u16 pmcsr;

	pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);

	switch (state) {
3034
	case PCI_D0: {
3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054
		u32 val;

		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
			(pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
			PCI_PM_CTRL_PME_STATUS);

		if (pmcsr & PCI_PM_CTRL_STATE_MASK)
			/* delay required during transition out of D3hot */
			msleep(20);

		val = REG_RD(bp, BNX2_EMAC_MODE);
		val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
		val &= ~BNX2_EMAC_MODE_MPKT;
		REG_WR(bp, BNX2_EMAC_MODE, val);

		val = REG_RD(bp, BNX2_RPM_CONFIG);
		val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
		REG_WR(bp, BNX2_RPM_CONFIG, val);
		break;
	}
3055
	case PCI_D3hot: {
3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121
		int i;
		u32 val, wol_msg;

		if (bp->wol) {
			u32 advertising;
			u8 autoneg;

			autoneg = bp->autoneg;
			advertising = bp->advertising;

			bp->autoneg = AUTONEG_SPEED;
			bp->advertising = ADVERTISED_10baseT_Half |
				ADVERTISED_10baseT_Full |
				ADVERTISED_100baseT_Half |
				ADVERTISED_100baseT_Full |
				ADVERTISED_Autoneg;

			bnx2_setup_copper_phy(bp);

			bp->autoneg = autoneg;
			bp->advertising = advertising;

			bnx2_set_mac_addr(bp);

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
			val |= BNX2_EMAC_MODE_PORT_MII |
			       BNX2_EMAC_MODE_MPKT_RCVD |
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;

			REG_WR(bp, BNX2_EMAC_MODE, val);

			/* receive all multicast */
			for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
				REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
				       0xffffffff);
			}
			REG_WR(bp, BNX2_EMAC_RX_MODE,
			       BNX2_EMAC_RX_MODE_SORT_MODE);

			val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
			      BNX2_RPM_SORT_USER0_MC_EN;
			REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
			REG_WR(bp, BNX2_RPM_SORT_USER0, val);
			REG_WR(bp, BNX2_RPM_SORT_USER0, val |
			       BNX2_RPM_SORT_USER0_ENA);

			/* Need to enable EMAC and RPM for WOL. */
			REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
			       BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
			       BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
			       BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);

			val = REG_RD(bp, BNX2_RPM_CONFIG);
			val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
			REG_WR(bp, BNX2_RPM_CONFIG, val);

			wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
		}
		else {
			wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
		}

M
Michael Chan 已提交
3122 3123
		if (!(bp->flags & NO_WOL_FLAG))
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206

		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
		    (CHIP_ID(bp) == CHIP_ID_5706_A1)) {

			if (bp->wol)
				pmcsr |= 3;
		}
		else {
			pmcsr |= 3;
		}
		if (bp->wol) {
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
		}
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);

		/* No more memory access after this point until
		 * device is brought back to D0.
		 */
		udelay(50);
		break;
	}
	default:
		return -EINVAL;
	}
	return 0;
}

static int
bnx2_acquire_nvram_lock(struct bnx2 *bp)
{
	u32 val;
	int j;

	/* Request access to the flash interface. */
	REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		val = REG_RD(bp, BNX2_NVM_SW_ARB);
		if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
			break;

		udelay(5);
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_release_nvram_lock(struct bnx2 *bp)
{
	int j;
	u32 val;

	/* Relinquish nvram interface. */
	REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);

	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		val = REG_RD(bp, BNX2_NVM_SW_ARB);
		if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
			break;

		udelay(5);
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}


static int
bnx2_enable_nvram_write(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);

M
Michael Chan 已提交
3207
	if (bp->flash_info->flags & BNX2_NV_WREN) {
3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244
		int j;

		REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
		REG_WR(bp, BNX2_NVM_COMMAND,
		       BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);

		for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
			udelay(5);

			val = REG_RD(bp, BNX2_NVM_COMMAND);
			if (val & BNX2_NVM_COMMAND_DONE)
				break;
		}

		if (j >= NVRAM_TIMEOUT_COUNT)
			return -EBUSY;
	}
	return 0;
}

static void
bnx2_disable_nvram_write(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
}


static void
bnx2_enable_nvram_access(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
	/* Enable both bits, even on read. */
3245
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3246 3247 3248 3249 3250 3251 3252 3253 3254 3255
	       val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
}

static void
bnx2_disable_nvram_access(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
	/* Disable both bits, even after read. */
3256
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3257 3258 3259 3260 3261 3262 3263 3264 3265 3266
		val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
			BNX2_NVM_ACCESS_ENABLE_WR_EN));
}

static int
bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
{
	u32 cmd;
	int j;

M
Michael Chan 已提交
3267
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309
		/* Buffered flash, no erase needed */
		return 0;

	/* Build an erase command */
	cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
	      BNX2_NVM_COMMAND_DOIT;

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	/* Address of the NVRAM to read from. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue an erase command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		u32 val;

		udelay(5);

		val = REG_RD(bp, BNX2_NVM_COMMAND);
		if (val & BNX2_NVM_COMMAND_DONE)
			break;
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
{
	u32 cmd;
	int j;

	/* Build the command word. */
	cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;

M
Michael Chan 已提交
3310 3311
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356
		offset = ((offset / bp->flash_info->page_size) <<
			   bp->flash_info->page_bits) +
			  (offset % bp->flash_info->page_size);
	}

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	/* Address of the NVRAM to read from. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue a read command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		u32 val;

		udelay(5);

		val = REG_RD(bp, BNX2_NVM_COMMAND);
		if (val & BNX2_NVM_COMMAND_DONE) {
			val = REG_RD(bp, BNX2_NVM_READ);

			val = be32_to_cpu(val);
			memcpy(ret_val, &val, 4);
			break;
		}
	}
	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}


static int
bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
{
	u32 cmd, val32;
	int j;

	/* Build the command word. */
	cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;

M
Michael Chan 已提交
3357 3358
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395
		offset = ((offset / bp->flash_info->page_size) <<
			  bp->flash_info->page_bits) +
			 (offset % bp->flash_info->page_size);
	}

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	memcpy(&val32, val, 4);
	val32 = cpu_to_be32(val32);

	/* Write the data. */
	REG_WR(bp, BNX2_NVM_WRITE, val32);

	/* Address of the NVRAM to write to. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue the write command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		udelay(5);

		if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
			break;
	}
	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_init_nvram(struct bnx2 *bp)
{
	u32 val;
M
Michael Chan 已提交
3396
	int j, entry_count, rc = 0;
3397 3398
	struct flash_spec *flash;

M
Michael Chan 已提交
3399 3400 3401 3402 3403
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

3404 3405 3406
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

3407
	entry_count = ARRAY_SIZE(flash_table);
3408 3409 3410 3411 3412

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3413 3414 3415
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3416 3417 3418 3419 3420 3421
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3422
		u32 mask;
3423 3424
		/* Not yet been reconfigured */

3425 3426 3427 3428 3429
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3430 3431 3432
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3433
			if ((val & mask) == (flash->strapping & mask)) {
3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459
				bp->flash_info = flash;

				/* Request access to the flash interface. */
				if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
					return rc;

				/* Enable access to flash interface */
				bnx2_enable_nvram_access(bp);

				/* Reconfigure the flash interface */
				REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
				REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
				REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
				REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);

				/* Disable access to flash interface */
				bnx2_disable_nvram_access(bp);
				bnx2_release_nvram_lock(bp);

				break;
			}
		}
	} /* if (val & 0x40000000) */

	if (j == entry_count) {
		bp->flash_info = NULL;
3460
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3461
		return -ENODEV;
3462 3463
	}

M
Michael Chan 已提交
3464
get_flash_size:
M
Michael Chan 已提交
3465 3466 3467 3468 3469 3470 3471
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589
	return rc;
}

static int
bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
		int buf_size)
{
	int rc = 0;
	u32 cmd_flags, offset32, len32, extra;

	if (buf_size == 0)
		return 0;

	/* Request access to the flash interface. */
	if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
		return rc;

	/* Enable access to flash interface */
	bnx2_enable_nvram_access(bp);

	len32 = buf_size;
	offset32 = offset;
	extra = 0;

	cmd_flags = 0;

	if (offset32 & 3) {
		u8 buf[4];
		u32 pre_len;

		offset32 &= ~3;
		pre_len = 4 - (offset & 3);

		if (pre_len >= len32) {
			pre_len = len32;
			cmd_flags = BNX2_NVM_COMMAND_FIRST |
				    BNX2_NVM_COMMAND_LAST;
		}
		else {
			cmd_flags = BNX2_NVM_COMMAND_FIRST;
		}

		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		if (rc)
			return rc;

		memcpy(ret_buf, buf + (offset & 3), pre_len);

		offset32 += 4;
		ret_buf += pre_len;
		len32 -= pre_len;
	}
	if (len32 & 3) {
		extra = 4 - (len32 & 3);
		len32 = (len32 + 4) & ~3;
	}

	if (len32 == 4) {
		u8 buf[4];

		if (cmd_flags)
			cmd_flags = BNX2_NVM_COMMAND_LAST;
		else
			cmd_flags = BNX2_NVM_COMMAND_FIRST |
				    BNX2_NVM_COMMAND_LAST;

		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		memcpy(ret_buf, buf, 4 - extra);
	}
	else if (len32 > 0) {
		u8 buf[4];

		/* Read the first word. */
		if (cmd_flags)
			cmd_flags = 0;
		else
			cmd_flags = BNX2_NVM_COMMAND_FIRST;

		rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);

		/* Advance to the next dword. */
		offset32 += 4;
		ret_buf += 4;
		len32 -= 4;

		while (len32 > 4 && rc == 0) {
			rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);

			/* Advance to the next dword. */
			offset32 += 4;
			ret_buf += 4;
			len32 -= 4;
		}

		if (rc)
			return rc;

		cmd_flags = BNX2_NVM_COMMAND_LAST;
		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		memcpy(ret_buf, buf, 4 - extra);
	}

	/* Disable access to flash interface */
	bnx2_disable_nvram_access(bp);

	bnx2_release_nvram_lock(bp);

	return rc;
}

static int
bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
		int buf_size)
{
	u32 written, offset32, len32;
3590
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3591 3592 3593 3594 3595 3596 3597 3598 3599 3600
	int rc = 0;
	int align_start, align_end;

	buf = data_buf;
	offset32 = offset;
	len32 = buf_size;
	align_start = align_end = 0;

	if ((align_start = (offset32 & 3))) {
		offset32 &= ~3;
M
Michael Chan 已提交
3601 3602 3603
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
3604 3605 3606 3607 3608
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
3609 3610 3611 3612
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
3613 3614 3615
	}

	if (align_start || align_end) {
3616 3617
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
3618 3619
			return -ENOMEM;
		if (align_start) {
3620
			memcpy(align_buf, start, 4);
3621 3622
		}
		if (align_end) {
3623
			memcpy(align_buf + len32 - 4, end, 4);
3624
		}
3625 3626
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
3627 3628
	}

M
Michael Chan 已提交
3629
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3630 3631 3632 3633 3634 3635 3636
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650
	written = 0;
	while ((written < len32) && (rc == 0)) {
		u32 page_start, page_end, data_start, data_end;
		u32 addr, cmd_flags;
		int i;

	        /* Find the page_start addr */
		page_start = offset32 + written;
		page_start -= (page_start % bp->flash_info->page_size);
		/* Find the page_end addr */
		page_end = page_start + bp->flash_info->page_size;
		/* Find the data_start addr */
		data_start = (written == 0) ? offset32 : page_start;
		/* Find the data_end addr */
3651
		data_end = (page_end > offset32 + len32) ?
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661
			(offset32 + len32) : page_end;

		/* Request access to the flash interface. */
		if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
			goto nvram_write_end;

		/* Enable access to flash interface */
		bnx2_enable_nvram_access(bp);

		cmd_flags = BNX2_NVM_COMMAND_FIRST;
M
Michael Chan 已提交
3662
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3663 3664 3665 3666 3667 3668 3669 3670 3671
			int j;

			/* Read the whole page into the buffer
			 * (non-buffer flash only) */
			for (j = 0; j < bp->flash_info->page_size; j += 4) {
				if (j == (bp->flash_info->page_size - 4)) {
					cmd_flags |= BNX2_NVM_COMMAND_LAST;
				}
				rc = bnx2_nvram_read_dword(bp,
3672 3673
					page_start + j,
					&flash_buffer[j],
3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689
					cmd_flags);

				if (rc)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Enable writes to flash interface (unlock write-protect) */
		if ((rc = bnx2_enable_nvram_write(bp)) != 0)
			goto nvram_write_end;

		/* Loop to write back the buffer data from page_start to
		 * data_start */
		i = 0;
M
Michael Chan 已提交
3690
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
3691 3692 3693 3694 3695 3696 3697
			/* Erase the page */
			if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
				goto nvram_write_end;

			/* Re-enable the write again for the actual write */
			bnx2_enable_nvram_write(bp);

3698 3699
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
3700

3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711
				rc = bnx2_nvram_write_dword(bp, addr,
					&flash_buffer[i], cmd_flags);

				if (rc != 0)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Loop to write the new data from data_start to data_end */
3712
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3713
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
3714
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730
				 (addr == data_end - 4))) {

				cmd_flags |= BNX2_NVM_COMMAND_LAST;
			}
			rc = bnx2_nvram_write_dword(bp, addr, buf,
				cmd_flags);

			if (rc != 0)
				goto nvram_write_end;

			cmd_flags = 0;
			buf += 4;
		}

		/* Loop to write back the buffer data from data_end
		 * to page_end */
M
Michael Chan 已提交
3731
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3732 3733
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
3734

3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759
				if (addr == page_end-4) {
					cmd_flags = BNX2_NVM_COMMAND_LAST;
                		}
				rc = bnx2_nvram_write_dword(bp, addr,
					&flash_buffer[i], cmd_flags);

				if (rc != 0)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Disable writes to flash interface (lock write-protect) */
		bnx2_disable_nvram_write(bp);

		/* Disable access to flash interface */
		bnx2_disable_nvram_access(bp);
		bnx2_release_nvram_lock(bp);

		/* Increment written */
		written += data_end - data_start;
	}

nvram_write_end:
3760 3761
	kfree(flash_buffer);
	kfree(align_buf);
3762 3763 3764
	return rc;
}

3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

	bp->phy_flags &= ~REMOTE_PHY_CAP_FLAG;
	if (!(bp->phy_flags & PHY_SERDES_FLAG))
		return;

	val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_CAP_MB);
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

	if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
		bp->phy_flags |= REMOTE_PHY_CAP_FLAG;

		val = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
		if (val & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801

		if (netif_running(bp->dev)) {
			u32 sig;

			if (val & BNX2_LINK_STATUS_LINK_UP) {
				bp->link_up = 1;
				netif_carrier_on(bp->dev);
			} else {
				bp->link_up = 0;
				netif_carrier_off(bp->dev);
			}
			sig = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
			REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
				   sig);
		}
3802 3803 3804
	}
}

3805 3806 3807 3808 3809
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
3810
	u8 old_port;
3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821

	/* Wait for the current PCI transaction to complete before
	 * issuing a reset. */
	REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
	       BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
	val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
	udelay(5);

3822 3823 3824
	/* Wait for the firmware to tell us it is ok to issue a reset. */
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);

3825 3826
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
3827
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3828 3829 3830 3831 3832 3833
		   BNX2_DRV_RESET_SIGNATURE_MAGIC);

	/* Do a dummy read to force the chip to complete all current transaction
	 * before we issue a reset. */
	val = REG_RD(bp, BNX2_MISC_ID);

3834 3835 3836 3837
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
		REG_RD(bp, BNX2_MISC_COMMAND);
		udelay(5);
3838

3839 3840
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3841

3842
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
3843

3844 3845 3846 3847 3848 3849 3850 3851
	} else {
		val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
		      BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;

		/* Chip reset. */
		REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);

3852 3853 3854 3855
		/* Reading back any register after chip reset will hang the
		 * bus on 5706 A0 and A1.  The msleep below provides plenty
		 * of margin for write posting.
		 */
3856
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
3857 3858
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
3859

3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873
		/* Reset takes approximate 30 usec */
		for (i = 0; i < 10; i++) {
			val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
			if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
				    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
				break;
			udelay(10);
		}

		if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
			   BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
			printk(KERN_ERR PFX "Chip reset did not complete\n");
			return -EBUSY;
		}
3874 3875 3876 3877 3878 3879 3880 3881 3882 3883
	}

	/* Make sure byte swapping is properly configured. */
	val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
	if (val != 0x01020304) {
		printk(KERN_ERR PFX "Chip not in correct endian mode\n");
		return -ENODEV;
	}

	/* Wait for the firmware to finish its initialization. */
3884 3885 3886
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
3887

3888
	spin_lock_bh(&bp->phy_lock);
3889
	old_port = bp->phy_port;
3890
	bnx2_init_remote_phy(bp);
3891
	if ((bp->phy_flags & REMOTE_PHY_CAP_FLAG) && old_port != bp->phy_port)
3892 3893 3894
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		/* Adjust the voltage regular to two steps lower.  The default
		 * of this register is 0x0000000e. */
		REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);

		/* Remove bad rbuf memory from the free pool. */
		rc = bnx2_alloc_bad_rbuf(bp);
	}

	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
3911
	int rc;
3912 3913 3914 3915 3916 3917 3918

	/* Make sure the interrupt is not active. */
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

	val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
	      BNX2_DMA_CONFIG_DATA_WORD_SWAP |
#ifdef __BIG_ENDIAN
3919
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3920
#endif
3921
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3922 3923 3924 3925 3926
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

	val |= (0x2 << 20) | (1 << 11);

M
Michael Chan 已提交
3927
	if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
		val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;

	REG_WR(bp, BNX2_DMA_CONFIG, val);

	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		val = REG_RD(bp, BNX2_TDMA_CONFIG);
		val |= BNX2_TDMA_CONFIG_ONE_DMA;
		REG_WR(bp, BNX2_TDMA_CONFIG, val);
	}

	if (bp->flags & PCIX_FLAG) {
		u16 val16;

		pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				     &val16);
		pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				      val16 & ~PCI_X_CMD_ERO);
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
	       BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);

	/* Initialize context mapping and zero out the quick contexts.  The
	 * context block must have already been enabled. */
3958 3959 3960 3961 3962
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
3963
		bnx2_init_context(bp);
3964

3965 3966 3967
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

3968 3969 3970 3971 3972 3973 3974
	bnx2_init_nvram(bp);

	bnx2_set_mac_addr(bp);

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3975 3976 3977
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
	REG_WR(bp, BNX2_MQ_CONFIG, val);

	val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
	REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
	REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);

	val = (BCM_PAGE_BITS - 8) << 24;
	REG_WR(bp, BNX2_RV2P_CONFIG, val);

	/* Configure page size. */
	val = REG_RD(bp, BNX2_TBDR_CONFIG);
	val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
	val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
	REG_WR(bp, BNX2_TBDR_CONFIG, val);

	val = bp->mac_addr[0] +
	      (bp->mac_addr[1] << 8) +
	      (bp->mac_addr[2] << 16) +
	      bp->mac_addr[3] +
	      (bp->mac_addr[4] << 8) +
	      (bp->mac_addr[5] << 16);
	REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);

	/* Program the MTU.  Also include 4 bytes for CRC32. */
	val = bp->dev->mtu + ETH_HLEN + 4;
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

	bp->last_status_idx = 0;
	bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;

	/* Set up how to generate a link change interrupt. */
	REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

	REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
	       (u64) bp->status_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);

	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
	       (u64) bp->stats_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
	       (u64) bp->stats_blk_mapping >> 32);

4022
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040
	       (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
	       (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
	       (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);

	REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);

	REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);

	REG_WR(bp, BNX2_HC_COM_TICKS,
	       (bp->com_ticks_int << 16) | bp->com_ticks);

	REG_WR(bp, BNX2_HC_CMD_TICKS,
	       (bp->cmd_ticks_int << 16) | bp->cmd_ticks);

4041 4042 4043
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4044
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4045 4046 4047
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4048
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4049
	else {
4050 4051
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4052 4053
	}

4054 4055 4056 4057 4058
	if (bp->flags & ONE_SHOT_MSI_FLAG)
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4059 4060 4061
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4062
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4063 4064 4065 4066

	/* Initialize the receive filter. */
	bnx2_set_rx_mode(bp->dev);

M
Michael Chan 已提交
4067 4068 4069 4070 4071
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
		val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
		REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
	}
4072 4073
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4074

M
Michael Chan 已提交
4075
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4076 4077 4078 4079
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4080 4081
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4082
	return rc;
4083 4084
}

M
Michael Chan 已提交
4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112
static void
bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
{
	u32 val, offset0, offset1, offset2, offset3;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		offset0 = BNX2_L2CTX_TYPE_XI;
		offset1 = BNX2_L2CTX_CMD_TYPE_XI;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
	} else {
		offset0 = BNX2_L2CTX_TYPE;
		offset1 = BNX2_L2CTX_CMD_TYPE;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
	}
	val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
	CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
	CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);

	val = (u64) bp->tx_desc_mapping >> 32;
	CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
	CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
}
4113 4114 4115 4116 4117

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
M
Michael Chan 已提交
4118
	u32 cid;
4119

M
Michael Chan 已提交
4120 4121
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4122
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4123

4124 4125 4126 4127 4128
	txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;

	bp->tx_prod = 0;
	bp->tx_cons = 0;
M
Michael Chan 已提交
4129
	bp->hw_tx_cons = 0;
4130
	bp->tx_prod_bseq = 0;
4131

M
Michael Chan 已提交
4132 4133 4134
	cid = TX_CID;
	bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
	bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4135

M
Michael Chan 已提交
4136
	bnx2_init_tx_context(bp, cid);
4137 4138 4139 4140 4141 4142 4143
}

static void
bnx2_init_rx_ring(struct bnx2 *bp)
{
	struct rx_bd *rxbd;
	int i;
4144
	u16 prod, ring_prod;
4145 4146 4147 4148
	u32 val;

	/* 8 for CRC and VLAN */
	bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
M
Michael Chan 已提交
4149 4150
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4151 4152 4153

	ring_prod = prod = bp->rx_prod = 0;
	bp->rx_cons = 0;
M
Michael Chan 已提交
4154
	bp->hw_rx_cons = 0;
4155
	bp->rx_prod_bseq = 0;
4156

4157 4158
	for (i = 0; i < bp->rx_max_ring; i++) {
		int j;
4159

4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172
		rxbd = &bp->rx_desc_ring[i][0];
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
			rxbd->rx_bd_len = bp->rx_buf_use_size;
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
		if (i == (bp->rx_max_ring - 1))
			j = 0;
		else
			j = i + 1;
		rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] &
				       0xffffffff;
	}
4173 4174 4175 4176 4177 4178

	val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
	val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
	val |= 0x02 << 8;
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);

4179
	val = (u64) bp->rx_desc_mapping[0] >> 32;
4180 4181
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);

4182
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4183 4184
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);

4185
	for (i = 0; i < bp->rx_ring_size; i++) {
4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198
		if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
	bp->rx_prod = prod;

	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
}

4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221
static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
	u32 num_rings, max;

	bp->rx_ring_size = size;
	num_rings = 1;
	while (size > MAX_RX_DESC_CNT) {
		size -= MAX_RX_DESC_CNT;
		num_rings++;
	}
	/* round to next power of 2 */
	max = MAX_RX_RINGS;
	while ((max & num_rings) == 0)
		max >>= 1;

	if (num_rings != max)
		max <<= 1;

	bp->rx_max_ring = max;
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->tx_buf_ring == NULL)
		return;

	for (i = 0; i < TX_DESC_CNT; ) {
		struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
		struct sk_buff *skb = tx_buf->skb;
		int j, last;

		if (skb == NULL) {
			i++;
			continue;
		}

		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;

		last = skb_shinfo(skb)->nr_frags;
		for (j = 0; j < last; j++) {
			tx_buf = &bp->tx_buf_ring[i + j + 1];
			pci_unmap_page(bp->pdev,
				pci_unmap_addr(tx_buf, mapping),
				skb_shinfo(skb)->frags[j].size,
				PCI_DMA_TODEVICE);
		}
4253
		dev_kfree_skb(skb);
4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266
		i += j + 1;
	}

}

static void
bnx2_free_rx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->rx_buf_ring == NULL)
		return;

4267
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4268 4269 4270
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4271
		if (skb == NULL)
4272 4273 4274 4275 4276 4277 4278
			continue;

		pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
			bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

		rx_buf->skb = NULL;

4279
		dev_kfree_skb(skb);
4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299
	}
}

static void
bnx2_free_skbs(struct bnx2 *bp)
{
	bnx2_free_tx_skbs(bp);
	bnx2_free_rx_skbs(bp);
}

static int
bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
{
	int rc;

	rc = bnx2_reset_chip(bp, reset_code);
	bnx2_free_skbs(bp);
	if (rc)
		return rc;

4300 4301 4302
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315
	bnx2_init_tx_ring(bp);
	bnx2_init_rx_ring(bp);
	return 0;
}

static int
bnx2_init_nic(struct bnx2 *bp)
{
	int rc;

	if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
		return rc;

M
Michael Chan 已提交
4316
	spin_lock_bh(&bp->phy_lock);
4317 4318
	bnx2_init_phy(bp);
	bnx2_set_link(bp);
4319
	spin_unlock_bh(&bp->phy_lock);
4320 4321 4322 4323 4324 4325 4326
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4327
	int i, is_5709;
4328
	static const struct {
4329 4330
		u16   offset;
		u16   flags;
4331
#define BNX2_FL_NOT_5709	1
4332 4333 4334 4335 4336 4337 4338
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358
		{ 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
		{ 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
		{ 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
		{ 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
		{ 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
		{ 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },

		{ 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },

		{ 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
		{ 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
		{ 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4359 4360 4361 4362 4363 4364 4365

		{ 0x1000, 0, 0x00000000, 0x00000001 },
		{ 0x1004, 0, 0x00000000, 0x000f0001 },

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
4366
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443
		{ 0x14b0, 0, 0x00000002, 0x00000001 },
		{ 0x14b8, 0, 0x00000000, 0x00000000 },
		{ 0x14c0, 0, 0x00000000, 0x00000009 },
		{ 0x14c4, 0, 0x00003fff, 0x00000000 },
		{ 0x14cc, 0, 0x00000000, 0x00000001 },
		{ 0x14d0, 0, 0xffffffff, 0x00000000 },

		{ 0x1800, 0, 0x00000000, 0x00000001 },
		{ 0x1804, 0, 0x00000000, 0x00000003 },

		{ 0x2800, 0, 0x00000000, 0x00000001 },
		{ 0x2804, 0, 0x00000000, 0x00003f01 },
		{ 0x2808, 0, 0x0f3f3f03, 0x00000000 },
		{ 0x2810, 0, 0xffff0000, 0x00000000 },
		{ 0x2814, 0, 0xffff0000, 0x00000000 },
		{ 0x2818, 0, 0xffff0000, 0x00000000 },
		{ 0x281c, 0, 0xffff0000, 0x00000000 },
		{ 0x2834, 0, 0xffffffff, 0x00000000 },
		{ 0x2840, 0, 0x00000000, 0xffffffff },
		{ 0x2844, 0, 0x00000000, 0xffffffff },
		{ 0x2848, 0, 0xffffffff, 0x00000000 },
		{ 0x284c, 0, 0xf800f800, 0x07ff07ff },

		{ 0x2c00, 0, 0x00000000, 0x00000011 },
		{ 0x2c04, 0, 0x00000000, 0x00030007 },

		{ 0x3c00, 0, 0x00000000, 0x00000001 },
		{ 0x3c04, 0, 0x00000000, 0x00070000 },
		{ 0x3c08, 0, 0x00007f71, 0x07f00000 },
		{ 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
		{ 0x3c10, 0, 0xffffffff, 0x00000000 },
		{ 0x3c14, 0, 0x00000000, 0xffffffff },
		{ 0x3c18, 0, 0x00000000, 0xffffffff },
		{ 0x3c1c, 0, 0xfffff000, 0x00000000 },
		{ 0x3c20, 0, 0xffffff00, 0x00000000 },

		{ 0x5004, 0, 0x00000000, 0x0000007f },
		{ 0x5008, 0, 0x0f0007ff, 0x00000000 },

		{ 0x5c00, 0, 0x00000000, 0x00000001 },
		{ 0x5c04, 0, 0x00000000, 0x0003000f },
		{ 0x5c08, 0, 0x00000003, 0x00000000 },
		{ 0x5c0c, 0, 0x0000fff8, 0x00000000 },
		{ 0x5c10, 0, 0x00000000, 0xffffffff },
		{ 0x5c80, 0, 0x00000000, 0x0f7113f1 },
		{ 0x5c84, 0, 0x00000000, 0x0000f333 },
		{ 0x5c88, 0, 0x00000000, 0x00077373 },
		{ 0x5c8c, 0, 0x00000000, 0x0007f737 },

		{ 0x6808, 0, 0x0000ff7f, 0x00000000 },
		{ 0x680c, 0, 0xffffffff, 0x00000000 },
		{ 0x6810, 0, 0xffffffff, 0x00000000 },
		{ 0x6814, 0, 0xffffffff, 0x00000000 },
		{ 0x6818, 0, 0xffffffff, 0x00000000 },
		{ 0x681c, 0, 0xffffffff, 0x00000000 },
		{ 0x6820, 0, 0x00ff00ff, 0x00000000 },
		{ 0x6824, 0, 0x00ff00ff, 0x00000000 },
		{ 0x6828, 0, 0x00ff00ff, 0x00000000 },
		{ 0x682c, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6830, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6834, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6838, 0, 0x03ff03ff, 0x00000000 },
		{ 0x683c, 0, 0x0000ffff, 0x00000000 },
		{ 0x6840, 0, 0x00000ff0, 0x00000000 },
		{ 0x6844, 0, 0x00ffff00, 0x00000000 },
		{ 0x684c, 0, 0xffffffff, 0x00000000 },
		{ 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6908, 0, 0x00000000, 0x0001ff0f },
		{ 0x690c, 0, 0x00000000, 0x0ffe00f0 },

		{ 0xffff, 0, 0x00000000, 0x00000000 },
	};

	ret = 0;
4444 4445 4446 4447
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

4448 4449
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
4450 4451 4452 4453
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
4454 4455 4456 4457 4458

		offset = (u32) reg_tbl[i].offset;
		rw_mask = reg_tbl[i].rw_mask;
		ro_mask = reg_tbl[i].ro_mask;

4459
		save_val = readl(bp->regview + offset);
4460

4461
		writel(0, bp->regview + offset);
4462

4463
		val = readl(bp->regview + offset);
4464 4465 4466 4467 4468 4469 4470 4471
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4472
		writel(0xffffffff, bp->regview + offset);
4473

4474
		val = readl(bp->regview + offset);
4475 4476 4477 4478 4479 4480 4481 4482
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4483
		writel(save_val, bp->regview + offset);
4484 4485 4486
		continue;

reg_test_err:
4487
		writel(save_val, bp->regview + offset);
4488 4489 4490 4491 4492 4493 4494 4495 4496
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
4497
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

	for (i = 0; i < sizeof(test_pattern) / 4; i++) {
		u32 offset;

		for (offset = 0; offset < size; offset += 4) {

			REG_WR_IND(bp, start + offset, test_pattern[i]);

			if (REG_RD_IND(bp, start + offset) !=
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
4522
	static struct mem_entry {
4523 4524
		u32   offset;
		u32   len;
4525
	} mem_tbl_5706[] = {
4526
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
4527
		{ 0xa0000,  0x3000 },
4528 4529 4530 4531 4532
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
4533 4534 4535 4536 4537 4538 4539 4540
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
4541
	};
4542 4543 4544 4545 4546 4547
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
4548 4549 4550 4551 4552 4553 4554

	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
		if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
			mem_tbl[i].len)) != 0) {
			return ret;
		}
	}
4555

4556 4557 4558
	return ret;
}

M
Michael Chan 已提交
4559 4560 4561
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

4562
static int
M
Michael Chan 已提交
4563
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
4564 4565 4566 4567
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
4568
	u16 rx_start_idx, rx_idx;
4569 4570 4571 4572 4573 4574
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;

M
Michael Chan 已提交
4575 4576 4577 4578 4579
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
4580 4581 4582
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return 0;

M
Michael Chan 已提交
4583
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
4584 4585 4586 4587
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
4588 4589

	pkt_size = 1514;
4590
	skb = netdev_alloc_skb(bp->dev, pkt_size);
4591 4592
	if (!skb)
		return -ENOMEM;
4593
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
4594
	memcpy(packet, bp->dev->dev_addr, 6);
4595 4596 4597 4598 4599 4600 4601
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

	map = pci_map_single(bp->pdev, skb->data, pkt_size,
		PCI_DMA_TODEVICE);

M
Michael Chan 已提交
4602 4603 4604
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4605 4606 4607 4608 4609 4610 4611
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
	rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;

	num_pkts = 0;

M
Michael Chan 已提交
4612
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
4613 4614 4615 4616 4617 4618 4619

	txbd->tx_bd_haddr_hi = (u64) map >> 32;
	txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
	txbd->tx_bd_mss_nbytes = pkt_size;
	txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;

	num_pkts++;
M
Michael Chan 已提交
4620 4621
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
4622

4623 4624
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
4625 4626 4627

	udelay(100);

M
Michael Chan 已提交
4628 4629 4630
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4631 4632 4633 4634 4635
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
4636
	dev_kfree_skb(skb);
4637

M
Michael Chan 已提交
4638
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656
		goto loopback_test_done;
	}

	rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

	rx_buf = &bp->rx_buf_ring[rx_start_idx];
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
	skb_reserve(rx_skb, bp->rx_offset);

	pci_dma_sync_single_for_cpu(bp->pdev,
		pci_unmap_addr(rx_buf, mapping),
		bp->rx_buf_size, PCI_DMA_FROMDEVICE);

4657
	if (rx_hdr->l2_fhdr_status &
4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683
		(L2_FHDR_ERRORS_BAD_CRC |
		L2_FHDR_ERRORS_PHY_DECODE |
		L2_FHDR_ERRORS_ALIGNMENT |
		L2_FHDR_ERRORS_TOO_SHORT |
		L2_FHDR_ERRORS_GIANT_FRAME)) {

		goto loopback_test_done;
	}

	if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
		goto loopback_test_done;
	}

	for (i = 14; i < pkt_size; i++) {
		if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
			goto loopback_test_done;
		}
	}

	ret = 0;

loopback_test_done:
	bp->loopback = 0;
	return ret;
}

M
Michael Chan 已提交
4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707
#define BNX2_MAC_LOOPBACK_FAILED	1
#define BNX2_PHY_LOOPBACK_FAILED	2
#define BNX2_LOOPBACK_FAILED		(BNX2_MAC_LOOPBACK_FAILED |	\
					 BNX2_PHY_LOOPBACK_FAILED)

static int
bnx2_test_loopback(struct bnx2 *bp)
{
	int rc = 0;

	if (!netif_running(bp->dev))
		return BNX2_LOOPBACK_FAILED;

	bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
	spin_lock_bh(&bp->phy_lock);
	bnx2_init_phy(bp);
	spin_unlock_bh(&bp->phy_lock);
	if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
		rc |= BNX2_MAC_LOOPBACK_FAILED;
	if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
		rc |= BNX2_PHY_LOOPBACK_FAILED;
	return rc;
}

4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
	u32 buf[NVRAM_SIZE / 4];
	u8 *data = (u8 *) buf;
	int rc = 0;
	u32 magic, csum;

	if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
		goto test_nvram_done;

        magic = be32_to_cpu(buf[0]);
	if (magic != 0x669955aa) {
		rc = -ENODEV;
		goto test_nvram_done;
	}

	if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
		goto test_nvram_done;

	csum = ether_crc_le(0x100, data);
	if (csum != CRC32_RESIDUAL) {
		rc = -ENODEV;
		goto test_nvram_done;
	}

	csum = ether_crc_le(0x100, data + 0x100);
	if (csum != CRC32_RESIDUAL) {
		rc = -ENODEV;
	}

test_nvram_done:
	return rc;
}

static int
bnx2_test_link(struct bnx2 *bp)
{
	u32 bmsr;

4751 4752 4753 4754 4755
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
4756
	spin_lock_bh(&bp->phy_lock);
4757 4758 4759 4760
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
4761
	spin_unlock_bh(&bp->phy_lock);
4762

4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780
	if (bmsr & BMSR_LSTATUS) {
		return 0;
	}
	return -ENODEV;
}

static int
bnx2_test_intr(struct bnx2 *bp)
{
	int i;
	u16 status_idx;

	if (!netif_running(bp->dev))
		return -ENODEV;

	status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;

	/* This register is not touched during run-time. */
M
Michael Chan 已提交
4781
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799
	REG_RD(bp, BNX2_HC_COMMAND);

	for (i = 0; i < 10; i++) {
		if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
			status_idx) {

			break;
		}

		msleep_interruptible(10);
	}
	if (i < 10)
		return 0;

	return -ENODEV;
}

static void
4800
bnx2_5706_serdes_timer(struct bnx2 *bp)
4801
{
4802 4803 4804 4805 4806
	spin_lock(&bp->phy_lock);
	if (bp->serdes_an_pending)
		bp->serdes_an_pending--;
	else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
		u32 bmcr;
4807

4808
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
4809

4810
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4811

4812 4813
		if (bmcr & BMCR_ANENABLE) {
			u32 phy1, phy2;
4814

4815 4816
			bnx2_write_phy(bp, 0x1c, 0x7c00);
			bnx2_read_phy(bp, 0x1c, &phy1);
M
Michael Chan 已提交
4817

4818 4819 4820 4821
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
4822

4823 4824 4825 4826 4827
			if ((phy1 & 0x10) &&	/* SIGNAL DETECT */
				!(phy2 & 0x20)) {	/* no CONFIG */

				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4828
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4829 4830
				bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
			}
4831
		}
4832 4833 4834 4835
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
		 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
		u32 phy2;
4836

4837 4838 4839 4840
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
4841

4842
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4843
			bmcr |= BMCR_ANENABLE;
4844
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4845

4846 4847 4848 4849
			bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		}
	} else
		bp->current_interval = bp->timer_interval;
4850

4851 4852
	spin_unlock(&bp->phy_lock);
}
4853

4854 4855 4856
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
4857 4858 4859
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

4860 4861 4862 4863
	if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
		bp->serdes_an_pending = 0;
		return;
	}
4864

4865 4866 4867 4868 4869
	spin_lock(&bp->phy_lock);
	if (bp->serdes_an_pending)
		bp->serdes_an_pending--;
	else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
		u32 bmcr;
4870

4871
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4872
		if (bmcr & BMCR_ANENABLE) {
4873
			bnx2_enable_forced_2g5(bp);
4874 4875
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
4876
			bnx2_disable_forced_2g5(bp);
4877 4878
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
4879 4880
		}

4881 4882
	} else
		bp->current_interval = bp->timer_interval;
4883

4884 4885 4886
	spin_unlock(&bp->phy_lock);
}

4887 4888 4889 4890
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
4891

4892 4893
	if (!netif_running(bp->dev))
		return;
4894

4895 4896
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
4897

M
Michael Chan 已提交
4898
	bnx2_send_heart_beat(bp);
4899

4900
	bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
4901

4902 4903 4904 4905 4906
	/* workaround occasional corrupted counters */
	if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

4907 4908 4909
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
4910
		else
4911
			bnx2_5708_serdes_timer(bp);
4912 4913 4914
	}

bnx2_restart_timer:
M
Michael Chan 已提交
4915
	mod_timer(&bp->timer, jiffies + bp->current_interval);
4916 4917
}

4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
	int rc = 0;

	if (bp->flags & USING_MSI_FLAG) {
		irq_handler_t	fn = bnx2_msi;

		if (bp->flags & ONE_SHOT_MSI_FLAG)
			fn = bnx2_msi_1shot;

		rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
	} else
		rc = request_irq(bp->pdev->irq, bnx2_interrupt,
				 IRQF_SHARED, dev->name, dev);
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;

	if (bp->flags & USING_MSI_FLAG) {
		free_irq(bp->pdev->irq, dev);
		pci_disable_msi(bp->pdev);
		bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
	} else
		free_irq(bp->pdev->irq, dev);
}

4950 4951 4952 4953
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
4954
	struct bnx2 *bp = netdev_priv(dev);
4955 4956
	int rc;

4957 4958
	netif_carrier_off(dev);

4959
	bnx2_set_power_state(bp, PCI_D0);
4960 4961 4962 4963 4964 4965
	bnx2_disable_int(bp);

	rc = bnx2_alloc_mem(bp);
	if (rc)
		return rc;

4966 4967
	napi_enable(&bp->napi);

4968
	if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
4969 4970
		if (pci_enable_msi(bp->pdev) == 0) {
			bp->flags |= USING_MSI_FLAG;
4971 4972
			if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bp->flags |= ONE_SHOT_MSI_FLAG;
4973 4974
		}
	}
4975 4976
	rc = bnx2_request_irq(bp);

4977
	if (rc) {
4978
		napi_disable(&bp->napi);
4979 4980 4981 4982 4983 4984 4985
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
4986
		napi_disable(&bp->napi);
4987
		bnx2_free_irq(bp);
4988 4989 4990 4991
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
4992

M
Michael Chan 已提交
4993
	mod_timer(&bp->timer, jiffies + bp->current_interval);
4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

	if (bp->flags & USING_MSI_FLAG) {
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
			printk(KERN_WARNING PFX "%s: No interrupt was generated"
			       " using MSI, switching to INTx mode. Please"
			       " report this failure to the PCI maintainer"
			       " and include system chipset information.\n",
			       bp->dev->name);

			bnx2_disable_int(bp);
5011
			bnx2_free_irq(bp);
5012 5013 5014

			rc = bnx2_init_nic(bp);

5015 5016 5017
			if (!rc)
				rc = bnx2_request_irq(bp);

5018
			if (rc) {
5019
				napi_disable(&bp->napi);
5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
	if (bp->flags & USING_MSI_FLAG) {
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
	}

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5038
bnx2_reset_task(struct work_struct *work)
5039
{
D
David Howells 已提交
5040
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5041

5042 5043 5044 5045
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5046 5047 5048 5049 5050 5051
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5052
	bp->in_reset_task = 0;
5053 5054 5055 5056 5057
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5058
	struct bnx2 *bp = netdev_priv(dev);
5059 5060 5061 5062 5063 5064 5065 5066 5067 5068

	/* This allows the netif to be shutdown gracefully before resetting */
	schedule_work(&bp->reset_task);
}

#ifdef BCM_VLAN
/* Called with rtnl_lock */
static void
bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
{
M
Michael Chan 已提交
5069
	struct bnx2 *bp = netdev_priv(dev);
5070 5071 5072 5073 5074 5075 5076 5077 5078 5079

	bnx2_netif_stop(bp);

	bp->vlgrp = vlgrp;
	bnx2_set_rx_mode(dev);

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5080
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5081 5082
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5083 5084 5085 5086
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5087
	struct bnx2 *bp = netdev_priv(dev);
5088 5089 5090 5091 5092 5093 5094
	dma_addr_t mapping;
	struct tx_bd *txbd;
	struct sw_bd *tx_buf;
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;

M
Michael Chan 已提交
5095
	if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106
		netif_stop_queue(dev);
		printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
			dev->name);

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
	prod = bp->tx_prod;
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
5107
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5108 5109 5110 5111 5112 5113 5114
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

	if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5115
	if ((mss = skb_shinfo(skb)->gso_size)) {
5116
		u32 tcp_opt_len, ip_tcp_len;
5117
		struct iphdr *iph;
5118 5119 5120

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5121 5122 5123 5124 5125
		tcp_opt_len = tcp_optlen(skb);

		if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
			u32 tcp_off = skb_transport_offset(skb) -
				      sizeof(struct ipv6hdr) - ETH_HLEN;
5126

5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144
			vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
					  TX_BD_FLAGS_SW_FLAGS;
			if (likely(tcp_off == 0))
				vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
			else {
				tcp_off >>= 3;
				vlan_tag_flags |= ((tcp_off & 0x3) <<
						   TX_BD_FLAGS_TCP6_OFF0_SHL) |
						  ((tcp_off & 0x10) <<
						   TX_BD_FLAGS_TCP6_OFF4_SHL);
				mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
			}
		} else {
			if (skb_header_cloned(skb) &&
			    pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
				dev_kfree_skb(skb);
				return NETDEV_TX_OK;
			}
5145

5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158
			ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);

			iph = ip_hdr(skb);
			iph->check = 0;
			iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
								 iph->daddr, 0,
								 IPPROTO_TCP,
								 0);
			if (tcp_opt_len || (iph->ihl > 5)) {
				vlan_tag_flags |= ((iph->ihl - 5) +
						   (tcp_opt_len >> 2)) << 8;
			}
5159
		}
5160
	} else
5161 5162 5163
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5164

5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201
	tx_buf = &bp->tx_buf_ring[ring_prod];
	tx_buf->skb = skb;
	pci_unmap_addr_set(tx_buf, mapping, mapping);

	txbd = &bp->tx_desc_ring[ring_prod];

	txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	txbd->tx_bd_mss_nbytes = len | (mss << 16);
	txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;

	last_frag = skb_shinfo(skb)->nr_frags;

	for (i = 0; i < last_frag; i++) {
		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];

		prod = NEXT_TX_BD(prod);
		ring_prod = TX_RING_IDX(prod);
		txbd = &bp->tx_desc_ring[ring_prod];

		len = frag->size;
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
			len, PCI_DMA_TODEVICE);
		pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
				mapping, mapping);

		txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
		txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
		txbd->tx_bd_mss_nbytes = len | (mss << 16);
		txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;

	}
	txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;

	prod = NEXT_TX_BD(prod);
	bp->tx_prod_bseq += skb->len;

5202 5203
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5204 5205 5206 5207 5208 5209

	mmiowb();

	bp->tx_prod = prod;
	dev->trans_start = jiffies;

M
Michael Chan 已提交
5210 5211
	if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
		netif_stop_queue(dev);
M
Michael Chan 已提交
5212
		if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5213
			netif_wake_queue(dev);
5214 5215 5216 5217 5218 5219 5220 5221 5222
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5223
	struct bnx2 *bp = netdev_priv(dev);
5224 5225
	u32 reset_code;

5226 5227 5228 5229 5230 5231 5232
	/* Calling flush_scheduled_work() may deadlock because
	 * linkwatch_event() may be on the workqueue and it will try to get
	 * the rtnl_lock which we are holding.
	 */
	while (bp->in_reset_task)
		msleep(1);

5233 5234
	bnx2_disable_int_sync(bp);
	napi_disable(&bp->napi);
5235
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
5236
	if (bp->flags & NO_WOL_FLAG)
5237
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5238
	else if (bp->wol)
5239 5240 5241 5242
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5243
	bnx2_free_irq(bp);
5244 5245 5246 5247
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5248
	bnx2_set_power_state(bp, PCI_D3hot);
5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267
	return 0;
}

#define GET_NET_STATS64(ctr)					\
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

#define GET_NET_STATS32(ctr)		\
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
#define GET_NET_STATS	GET_NET_STATS64
#else
#define GET_NET_STATS	GET_NET_STATS32
#endif

static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
5268
	struct bnx2 *bp = netdev_priv(dev);
5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290
	struct statistics_block *stats_blk = bp->stats_blk;
	struct net_device_stats *net_stats = &bp->net_stats;

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);

	net_stats->tx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);

	net_stats->rx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCInOctets);

	net_stats->tx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCOutOctets);

5291
	net_stats->multicast =
5292 5293
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5294
	net_stats->collisions =
5295 5296
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5297
	net_stats->rx_length_errors =
5298 5299 5300
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5301
	net_stats->rx_over_errors =
5302 5303
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5304
	net_stats->rx_frame_errors =
5305 5306
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5307
	net_stats->rx_crc_errors =
5308 5309 5310 5311 5312 5313 5314 5315 5316 5317
		(unsigned long) stats_blk->stat_Dot3StatsFCSErrors;

	net_stats->rx_errors = net_stats->rx_length_errors +
		net_stats->rx_over_errors + net_stats->rx_frame_errors +
		net_stats->rx_crc_errors;

	net_stats->tx_aborted_errors =
    		(unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
		stats_blk->stat_Dot3StatsLateCollisions);

M
Michael Chan 已提交
5318 5319
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
5320 5321 5322 5323 5324 5325 5326 5327
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
5328
    		(unsigned long)
5329 5330 5331 5332 5333
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
5334 5335 5336 5337
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

5338 5339 5340 5341 5342 5343 5344 5345
	return net_stats;
}

/* All ethtool functions called with rtnl_lock */

static int
bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5346
	struct bnx2 *bp = netdev_priv(dev);
5347
	int support_serdes = 0, support_copper = 0;
5348 5349

	cmd->supported = SUPPORTED_Autoneg;
5350 5351 5352 5353 5354 5355 5356 5357 5358
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
5359 5360
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
5361 5362
		if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
			cmd->supported |= SUPPORTED_2500baseX_Full;
5363 5364

	}
5365
	if (support_copper) {
5366 5367 5368 5369 5370 5371 5372 5373 5374
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

5375 5376
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393
	cmd->advertising = bp->advertising;

	if (bp->autoneg & AUTONEG_SPEED) {
		cmd->autoneg = AUTONEG_ENABLE;
	}
	else {
		cmd->autoneg = AUTONEG_DISABLE;
	}

	if (netif_carrier_ok(dev)) {
		cmd->speed = bp->line_speed;
		cmd->duplex = bp->duplex;
	}
	else {
		cmd->speed = -1;
		cmd->duplex = -1;
	}
5394
	spin_unlock_bh(&bp->phy_lock);
5395 5396 5397 5398 5399 5400

	cmd->transceiver = XCVR_INTERNAL;
	cmd->phy_address = bp->phy_addr;

	return 0;
}
5401

5402 5403 5404
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5405
	struct bnx2 *bp = netdev_priv(dev);
5406 5407 5408 5409
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
5410 5411 5412 5413 5414 5415 5416 5417 5418
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

	if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
		goto err_out_unlock;

	if (cmd->port != bp->phy_port && !(bp->phy_flags & REMOTE_PHY_CAP_FLAG))
		goto err_out_unlock;
5419 5420 5421 5422

	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

5423
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
5424 5425 5426 5427 5428 5429 5430

		/* allow advertising 1 speed */
		if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
			(cmd->advertising == ADVERTISED_10baseT_Full) ||
			(cmd->advertising == ADVERTISED_100baseT_Half) ||
			(cmd->advertising == ADVERTISED_100baseT_Full)) {

5431 5432
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
5433 5434 5435

			advertising = cmd->advertising;

5436
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
5437 5438 5439 5440
			if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ||
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
5441
			advertising = cmd->advertising;
5442 5443
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
5444
		else {
5445
			if (cmd->port == PORT_FIBRE)
5446
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
5447
			else
5448 5449 5450 5451 5452
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
5453
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
5454 5455 5456
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
5457
				goto err_out_unlock;
M
Michael Chan 已提交
5458 5459 5460

			if (cmd->speed == SPEED_2500 &&
			    !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
5461
				goto err_out_unlock;
5462
		}
5463 5464 5465
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476
		autoneg &= ~AUTONEG_SPEED;
		req_line_speed = cmd->speed;
		req_duplex = cmd->duplex;
		advertising = 0;
	}

	bp->autoneg = autoneg;
	bp->advertising = advertising;
	bp->req_line_speed = req_line_speed;
	bp->req_duplex = req_duplex;

5477
	err = bnx2_setup_phy(bp, cmd->port);
5478

5479
err_out_unlock:
5480
	spin_unlock_bh(&bp->phy_lock);
5481

5482
	return err;
5483 5484 5485 5486 5487
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
5488
	struct bnx2 *bp = netdev_priv(dev);
5489 5490 5491 5492

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
5493
	strcpy(info->fw_version, bp->fw_version);
5494 5495
}

M
Michael Chan 已提交
5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553
#define BNX2_REGDUMP_LEN		(32 * 1024)

static int
bnx2_get_regs_len(struct net_device *dev)
{
	return BNX2_REGDUMP_LEN;
}

static void
bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
{
	u32 *p = _p, i, offset;
	u8 *orig_p = _p;
	struct bnx2 *bp = netdev_priv(dev);
	u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
				 0x0800, 0x0880, 0x0c00, 0x0c10,
				 0x0c30, 0x0d08, 0x1000, 0x101c,
				 0x1040, 0x1048, 0x1080, 0x10a4,
				 0x1400, 0x1490, 0x1498, 0x14f0,
				 0x1500, 0x155c, 0x1580, 0x15dc,
				 0x1600, 0x1658, 0x1680, 0x16d8,
				 0x1800, 0x1820, 0x1840, 0x1854,
				 0x1880, 0x1894, 0x1900, 0x1984,
				 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
				 0x1c80, 0x1c94, 0x1d00, 0x1d84,
				 0x2000, 0x2030, 0x23c0, 0x2400,
				 0x2800, 0x2820, 0x2830, 0x2850,
				 0x2b40, 0x2c10, 0x2fc0, 0x3058,
				 0x3c00, 0x3c94, 0x4000, 0x4010,
				 0x4080, 0x4090, 0x43c0, 0x4458,
				 0x4c00, 0x4c18, 0x4c40, 0x4c54,
				 0x4fc0, 0x5010, 0x53c0, 0x5444,
				 0x5c00, 0x5c18, 0x5c80, 0x5c90,
				 0x5fc0, 0x6000, 0x6400, 0x6428,
				 0x6800, 0x6848, 0x684c, 0x6860,
				 0x6888, 0x6910, 0x8000 };

	regs->version = 0;

	memset(p, 0, BNX2_REGDUMP_LEN);

	if (!netif_running(bp->dev))
		return;

	i = 0;
	offset = reg_boundaries[0];
	p += offset;
	while (offset < BNX2_REGDUMP_LEN) {
		*p++ = REG_RD(bp, offset);
		offset += 4;
		if (offset == reg_boundaries[i + 1]) {
			offset = reg_boundaries[i + 2];
			p = (u32 *) (orig_p + offset);
			i += 2;
		}
	}
}

5554 5555 5556
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
5557
	struct bnx2 *bp = netdev_priv(dev);
5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575

	if (bp->flags & NO_WOL_FLAG) {
		wol->supported = 0;
		wol->wolopts = 0;
	}
	else {
		wol->supported = WAKE_MAGIC;
		if (bp->wol)
			wol->wolopts = WAKE_MAGIC;
		else
			wol->wolopts = 0;
	}
	memset(&wol->sopass, 0, sizeof(wol->sopass));
}

static int
bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
5576
	struct bnx2 *bp = netdev_priv(dev);
5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
	}
	else {
		bp->wol = 0;
	}
	return 0;
}

static int
bnx2_nway_reset(struct net_device *dev)
{
M
Michael Chan 已提交
5596
	struct bnx2 *bp = netdev_priv(dev);
5597 5598 5599 5600 5601 5602
	u32 bmcr;

	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

5603
	spin_lock_bh(&bp->phy_lock);
5604

5605 5606 5607 5608 5609 5610 5611 5612
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		int rc;

		rc = bnx2_setup_remote_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
		return rc;
	}

5613 5614
	/* Force a link down visible on the other side */
	if (bp->phy_flags & PHY_SERDES_FLAG) {
5615
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
5616
		spin_unlock_bh(&bp->phy_lock);
5617 5618 5619

		msleep(20);

5620
		spin_lock_bh(&bp->phy_lock);
5621 5622 5623 5624

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
5625 5626
	}

5627
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5628
	bmcr &= ~BMCR_LOOPBACK;
5629
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
5630

5631
	spin_unlock_bh(&bp->phy_lock);
5632 5633 5634 5635 5636 5637 5638

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
5639
	struct bnx2 *bp = netdev_priv(dev);
5640

M
Michael Chan 已提交
5641
	if (bp->flash_info == NULL)
5642 5643
		return 0;

M
Michael Chan 已提交
5644
	return (int) bp->flash_size;
5645 5646 5647 5648 5649 5650
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
5651
	struct bnx2 *bp = netdev_priv(dev);
5652 5653
	int rc;

5654
	/* parameters already validated in ethtool_get_eeprom */
5655 5656 5657 5658 5659 5660 5661 5662 5663 5664

	rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int
bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
5665
	struct bnx2 *bp = netdev_priv(dev);
5666 5667
	int rc;

5668
	/* parameters already validated in ethtool_set_eeprom */
5669 5670 5671 5672 5673 5674 5675 5676 5677

	rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int
bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
{
M
Michael Chan 已提交
5678
	struct bnx2 *bp = netdev_priv(dev);
5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
	coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
	coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;

	coal->tx_coalesce_usecs = bp->tx_ticks;
	coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
	coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
	coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;

	coal->stats_block_coalesce_usecs = bp->stats_ticks;

	return 0;
}

static int
bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
{
M
Michael Chan 已提交
5700
	struct bnx2 *bp = netdev_priv(dev);
5701 5702 5703 5704

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;

5705
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728
	if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;

	bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
	if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;

	bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
	if (bp->rx_quick_cons_trip_int > 0xff)
		bp->rx_quick_cons_trip_int = 0xff;

	bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
	if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;

	bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
	if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;

	bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
	if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;

	bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
	if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
		0xff;

	bp->stats_ticks = coal->stats_block_coalesce_usecs;
5729 5730 5731 5732
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
5733 5734 5735
	if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
		bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
	bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
5749
	struct bnx2 *bp = netdev_priv(dev);
5750

5751
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765
	ering->rx_mini_max_pending = 0;
	ering->rx_jumbo_max_pending = 0;

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
	ering->rx_jumbo_pending = 0;

	ering->tx_max_pending = MAX_TX_DESC_CNT;
	ering->tx_pending = bp->tx_ring_size;
}

static int
bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
5766
	struct bnx2 *bp = netdev_priv(dev);
5767

5768
	if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
5769 5770 5771 5772 5773
		(ering->tx_pending > MAX_TX_DESC_CNT) ||
		(ering->tx_pending <= MAX_SKB_FRAGS)) {

		return -EINVAL;
	}
5774 5775 5776 5777 5778 5779 5780 5781
	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

	bnx2_set_rx_ring_size(bp, ering->rx_pending);
5782 5783 5784
	bp->tx_ring_size = ering->tx_pending;

	if (netif_running(bp->dev)) {
5785 5786 5787 5788 5789
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
5790 5791 5792 5793 5794 5795 5796 5797 5798 5799
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
5800
	struct bnx2 *bp = netdev_priv(dev);
5801 5802 5803 5804 5805 5806 5807 5808 5809

	epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
	epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
	epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
}

static int
bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
5810
	struct bnx2 *bp = netdev_priv(dev);
5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824

	bp->req_flow_ctrl = 0;
	if (epause->rx_pause)
		bp->req_flow_ctrl |= FLOW_CTRL_RX;
	if (epause->tx_pause)
		bp->req_flow_ctrl |= FLOW_CTRL_TX;

	if (epause->autoneg) {
		bp->autoneg |= AUTONEG_FLOW_CTRL;
	}
	else {
		bp->autoneg &= ~AUTONEG_FLOW_CTRL;
	}

5825
	spin_lock_bh(&bp->phy_lock);
5826

5827
	bnx2_setup_phy(bp, bp->phy_port);
5828

5829
	spin_unlock_bh(&bp->phy_lock);
5830 5831 5832 5833 5834 5835 5836

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
5837
	struct bnx2 *bp = netdev_priv(dev);
5838 5839 5840 5841 5842 5843 5844

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
5845
	struct bnx2 *bp = netdev_priv(dev);
5846 5847 5848 5849 5850

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
5851 5852 5853
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
5854 5855 5856
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
5857
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
5858 5859 5860 5861 5862
		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			dev->features |= NETIF_F_TSO6;
	} else
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
				   NETIF_F_TSO_ECN);
M
Michael Chan 已提交
5863 5864 5865
	return 0;
}

M
Michael Chan 已提交
5866
#define BNX2_NUM_STATS 46
5867

5868
static struct {
5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915
	char string[ETH_GSTRING_LEN];
} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
	{ "rx_bytes" },
	{ "rx_error_bytes" },
	{ "tx_bytes" },
	{ "tx_error_bytes" },
	{ "rx_ucast_packets" },
	{ "rx_mcast_packets" },
	{ "rx_bcast_packets" },
	{ "tx_ucast_packets" },
	{ "tx_mcast_packets" },
	{ "tx_bcast_packets" },
	{ "tx_mac_errors" },
	{ "tx_carrier_errors" },
	{ "rx_crc_errors" },
	{ "rx_align_errors" },
	{ "tx_single_collisions" },
	{ "tx_multi_collisions" },
	{ "tx_deferred" },
	{ "tx_excess_collisions" },
	{ "tx_late_collisions" },
	{ "tx_total_collisions" },
	{ "rx_fragments" },
	{ "rx_jabbers" },
	{ "rx_undersize_packets" },
	{ "rx_oversize_packets" },
	{ "rx_64_byte_packets" },
	{ "rx_65_to_127_byte_packets" },
	{ "rx_128_to_255_byte_packets" },
	{ "rx_256_to_511_byte_packets" },
	{ "rx_512_to_1023_byte_packets" },
	{ "rx_1024_to_1522_byte_packets" },
	{ "rx_1523_to_9022_byte_packets" },
	{ "tx_64_byte_packets" },
	{ "tx_65_to_127_byte_packets" },
	{ "tx_128_to_255_byte_packets" },
	{ "tx_256_to_511_byte_packets" },
	{ "tx_512_to_1023_byte_packets" },
	{ "tx_1024_to_1522_byte_packets" },
	{ "tx_1523_to_9022_byte_packets" },
	{ "rx_xon_frames" },
	{ "rx_xoff_frames" },
	{ "tx_xon_frames" },
	{ "tx_xoff_frames" },
	{ "rx_mac_ctrl_frames" },
	{ "rx_filtered_packets" },
	{ "rx_discards" },
M
Michael Chan 已提交
5916
	{ "rx_fw_discards" },
5917 5918 5919 5920
};

#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

5921
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932
    STATS_OFFSET32(stat_IfHCInOctets_hi),
    STATS_OFFSET32(stat_IfHCInBadOctets_hi),
    STATS_OFFSET32(stat_IfHCOutOctets_hi),
    STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
    STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
    STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
    STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
    STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966
    STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
    STATS_OFFSET32(stat_Dot3StatsFCSErrors),
    STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
    STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
    STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
    STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
    STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
    STATS_OFFSET32(stat_Dot3StatsLateCollisions),
    STATS_OFFSET32(stat_EtherStatsCollisions),
    STATS_OFFSET32(stat_EtherStatsFragments),
    STATS_OFFSET32(stat_EtherStatsJabbers),
    STATS_OFFSET32(stat_EtherStatsUndersizePkts),
    STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
    STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
    STATS_OFFSET32(stat_XonPauseFramesReceived),
    STATS_OFFSET32(stat_XoffPauseFramesReceived),
    STATS_OFFSET32(stat_OutXonSent),
    STATS_OFFSET32(stat_OutXoffSent),
    STATS_OFFSET32(stat_MacControlFramesReceived),
    STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
5967
    STATS_OFFSET32(stat_FwRxDrop),
5968 5969 5970 5971
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
5972
 */
5973
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5974 5975 5976 5977
	8,0,8,8,8,8,8,8,8,8,
	4,0,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
M
Michael Chan 已提交
5978
	4,4,4,4,4,4,
5979 5980
};

M
Michael Chan 已提交
5981 5982 5983 5984 5985
static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
	8,0,8,8,8,8,8,8,8,8,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
M
Michael Chan 已提交
5986
	4,4,4,4,4,4,
M
Michael Chan 已提交
5987 5988
};

5989 5990
#define BNX2_NUM_TESTS 6

5991
static struct {
5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002
	char string[ETH_GSTRING_LEN];
} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
};

static int
6003
bnx2_get_sset_count(struct net_device *dev, int sset)
6004
{
6005 6006 6007 6008 6009 6010 6011 6012
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
6013 6014 6015 6016 6017
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6018
	struct bnx2 *bp = netdev_priv(dev);
6019 6020 6021

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6022 6023
		int i;

6024 6025 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
		bnx2_free_skbs(bp);

		if (bnx2_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
M
Michael Chan 已提交
6036
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047
			etest->flags |= ETH_TEST_FL_FAILED;

		if (!netif_running(bp->dev)) {
			bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		}
		else {
			bnx2_init_nic(bp);
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
6048 6049 6050 6051 6052
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089
	}

	if (bnx2_test_nvram(bp) != 0) {
		buf[3] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bnx2_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}

	if (bnx2_test_link(bp) != 0) {
		buf[5] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;

	}
}

static void
bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	switch (stringset) {
	case ETH_SS_STATS:
		memcpy(buf, bnx2_stats_str_arr,
			sizeof(bnx2_stats_str_arr));
		break;
	case ETH_SS_TEST:
		memcpy(buf, bnx2_tests_str_arr,
			sizeof(bnx2_tests_str_arr));
		break;
	}
}

static void
bnx2_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, u64 *buf)
{
M
Michael Chan 已提交
6090
	struct bnx2 *bp = netdev_priv(dev);
6091 6092
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6093
	u8 *stats_len_arr = NULL;
6094 6095 6096 6097 6098 6099

	if (hw_stats == NULL) {
		memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
		return;
	}

M
Michael Chan 已提交
6100 6101 6102 6103
	if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
	    (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6104
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6105 6106
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6107 6108 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129

	for (i = 0; i < BNX2_NUM_STATS; i++) {
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
			buf[i] = (u64)
				*(hw_stats + bnx2_stats_offset_arr[i]);
			continue;
		}
		/* 8-byte counter */
		buf[i] = (((u64) *(hw_stats +
					bnx2_stats_offset_arr[i])) << 32) +
				*(hw_stats + bnx2_stats_offset_arr[i] + 1);
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6130
	struct bnx2 *bp = netdev_priv(dev);
6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158 6159 6160
	int i;
	u32 save;

	if (data == 0)
		data = 2;

	save = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);

	for (i = 0; i < (data * 2); i++) {
		if ((i % 2) == 0) {
			REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
		}
		else {
			REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
				BNX2_EMAC_LED_1000MB_OVERRIDE |
				BNX2_EMAC_LED_100MB_OVERRIDE |
				BNX2_EMAC_LED_10MB_OVERRIDE |
				BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
				BNX2_EMAC_LED_TRAFFIC);
		}
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}
	REG_WR(bp, BNX2_EMAC_LED, 0);
	REG_WR(bp, BNX2_MISC_CFG, save);
	return 0;
}

6161 6162 6163 6164 6165 6166
static int
bnx2_set_tx_csum(struct net_device *dev, u32 data)
{
	struct bnx2 *bp = netdev_priv(dev);

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
6167
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
6168 6169 6170 6171
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6172
static const struct ethtool_ops bnx2_ethtool_ops = {
6173 6174 6175
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6176 6177
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_eeprom_len		= bnx2_get_eeprom_len,
	.get_eeprom		= bnx2_get_eeprom,
	.set_eeprom		= bnx2_set_eeprom,
	.get_coalesce		= bnx2_get_coalesce,
	.set_coalesce		= bnx2_set_coalesce,
	.get_ringparam		= bnx2_get_ringparam,
	.set_ringparam		= bnx2_set_ringparam,
	.get_pauseparam		= bnx2_get_pauseparam,
	.set_pauseparam		= bnx2_set_pauseparam,
	.get_rx_csum		= bnx2_get_rx_csum,
	.set_rx_csum		= bnx2_set_rx_csum,
6193
	.set_tx_csum		= bnx2_set_tx_csum,
6194
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
6195
	.set_tso		= bnx2_set_tso,
6196 6197 6198 6199
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6200
	.get_sset_count		= bnx2_get_sset_count,
6201 6202 6203 6204 6205 6206
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6207
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6208
	struct bnx2 *bp = netdev_priv(dev);
6209 6210 6211 6212 6213 6214 6215 6216 6217 6218
	int err;

	switch(cmd) {
	case SIOCGMIIPHY:
		data->phy_id = bp->phy_addr;

		/* fallthru */
	case SIOCGMIIREG: {
		u32 mii_regval;

6219 6220 6221
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return -EOPNOTSUPP;

6222 6223 6224
		if (!netif_running(dev))
			return -EAGAIN;

6225
		spin_lock_bh(&bp->phy_lock);
6226
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6227
		spin_unlock_bh(&bp->phy_lock);
6228 6229 6230 6231 6232 6233 6234 6235 6236 6237

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;

6238 6239 6240
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return -EOPNOTSUPP;

6241 6242 6243
		if (!netif_running(dev))
			return -EAGAIN;

6244
		spin_lock_bh(&bp->phy_lock);
6245
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6246
		spin_unlock_bh(&bp->phy_lock);
6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261

		return err;

	default:
		/* do nothing */
		break;
	}
	return -EOPNOTSUPP;
}

/* Called with rtnl_lock */
static int
bnx2_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
M
Michael Chan 已提交
6262
	struct bnx2 *bp = netdev_priv(dev);
6263

6264 6265 6266
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
		bnx2_set_mac_addr(bp);

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
6278
	struct bnx2 *bp = netdev_priv(dev);
6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298

	if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
		((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
		return -EINVAL;

	dev->mtu = new_mtu;
	if (netif_running(dev)) {
		bnx2_netif_stop(bp);

		bnx2_init_nic(bp);

		bnx2_netif_start(bp);
	}
	return 0;
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6299
	struct bnx2 *bp = netdev_priv(dev);
6300 6301

	disable_irq(bp->pdev->irq);
6302
	bnx2_interrupt(bp->pdev->irq, dev);
6303 6304 6305 6306
	enable_irq(bp->pdev->irq);
}
#endif

6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344
static void __devinit
bnx2_get_5709_media(struct bnx2 *bp)
{
	u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
	u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
	u32 strap;

	if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
		return;
	else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
		bp->phy_flags |= PHY_SERDES_FLAG;
		return;
	}

	if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
		strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
	else
		strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;

	if (PCI_FUNC(bp->pdev->devfn) == 0) {
		switch (strap) {
		case 0x4:
		case 0x5:
		case 0x6:
			bp->phy_flags |= PHY_SERDES_FLAG;
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
			bp->phy_flags |= PHY_SERDES_FLAG;
			return;
		}
	}
}

6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396
static void __devinit
bnx2_get_pci_speed(struct bnx2 *bp)
{
	u32 reg;

	reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
	if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
		u32 clkreg;

		bp->flags |= PCIX_FLAG;

		clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);

		clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
		switch (clkreg) {
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
			bp->bus_speed_mhz = 133;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
			bp->bus_speed_mhz = 100;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
			bp->bus_speed_mhz = 66;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
			bp->bus_speed_mhz = 50;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
			bp->bus_speed_mhz = 33;
			break;
		}
	}
	else {
		if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
			bp->bus_speed_mhz = 66;
		else
			bp->bus_speed_mhz = 33;
	}

	if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
		bp->flags |= PCI_32BIT_FLAG;

}

6397 6398 6399 6400 6401
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
6402
	int rc, i, j;
6403
	u32 reg;
6404
	u64 dma_mask, persist_dma_mask;
6405 6406

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
6407
	bp = netdev_priv(dev);
6408 6409 6410 6411 6412 6413 6414

	bp->flags = 0;
	bp->phy_flags = 0;

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
6415
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.");
6416 6417 6418 6419
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
6420
		dev_err(&pdev->dev,
6421
			"Cannot find PCI device base address, aborting.\n");
6422 6423 6424 6425 6426 6427
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
6428
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
6429 6430 6431 6432 6433 6434 6435
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
6436
		dev_err(&pdev->dev,
6437
			"Cannot find power management capability, aborting.\n");
6438 6439 6440 6441 6442 6443 6444 6445
		rc = -EIO;
		goto err_out_release;
	}

	bp->dev = dev;
	bp->pdev = pdev;

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
6446
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
6447
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
6448 6449

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
6450
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
6451 6452 6453 6454 6455 6456
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

	bp->regview = ioremap_nocache(dev->base_addr, mem_len);

	if (!bp->regview) {
6457
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469
		rc = -ENOMEM;
		goto err_out_release;
	}

	/* Configure byte swap and enable write to the reg_window registers.
	 * Rely on CPU to do target byte swapping on big endian systems
	 * The chip's target access swapping will not swap all accesses
	 */
	pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
			       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
			       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);

6470
	bnx2_set_power_state(bp, PCI_D0);
6471 6472 6473

	bp->chip_id = REG_RD(bp, BNX2_MISC_ID);

6474 6475 6476 6477 6478 6479 6480 6481 6482
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIE capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
		bp->flags |= PCIE_FLAG;
	} else {
M
Michael Chan 已提交
6483 6484 6485 6486 6487 6488 6489 6490 6491
		bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
		if (bp->pcix_cap == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIX capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
	}

6492 6493 6494 6495 6496
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
			bp->flags |= MSI_CAP_FLAG;
	}

6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		persist_dma_mask = dma_mask = DMA_40BIT_MASK;
	else
		persist_dma_mask = dma_mask = DMA_64BIT_MASK;

	/* Configure DMA attributes. */
	if (pci_set_dma_mask(pdev, dma_mask) == 0) {
		dev->features |= NETIF_F_HIGHDMA;
		rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
		if (rc) {
			dev_err(&pdev->dev,
				"pci_set_consistent_dma_mask failed, aborting.\n");
			goto err_out_unmap;
		}
	} else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
		dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
		goto err_out_unmap;
	}

6517 6518
	if (!(bp->flags & PCIE_FLAG))
		bnx2_get_pci_speed(bp);
6519 6520 6521 6522 6523 6524 6525 6526 6527 6528

	/* 5706A0 may falsely detect SERR and PERR. */
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		reg = REG_RD(bp, PCI_COMMAND);
		reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
		REG_WR(bp, PCI_COMMAND, reg);
	}
	else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
		!(bp->flags & PCIX_FLAG)) {

6529
		dev_err(&pdev->dev,
6530
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
6531 6532 6533 6534 6535
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

6536 6537 6538
	reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
6539 6540 6541 6542 6543
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

		bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
	} else
6544 6545
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

6546 6547 6548
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
6549
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
6550 6551 6552

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
6553
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
6554 6555 6556 6557
		rc = -ENODEV;
		goto err_out_unmap;
	}

6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
	for (i = 0, j = 0; i < 3; i++) {
		u8 num, k, skip0;

		num = (u8) (reg >> (24 - (i * 8)));
		for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
			if (num >= k || !skip0 || k == 1) {
				bp->fw_version[j++] = (num / k) + '0';
				skip0 = 0;
			}
		}
		if (i != 2)
			bp->fw_version[j++] = '.';
	}
M
Michael Chan 已提交
6572 6573 6574 6575 6576
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE);
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
6577 6578 6579 6580 6581 6582 6583 6584 6585 6586
		bp->flags |= ASF_ENABLE_FLAG;

		for (i = 0; i < 30; i++) {
			reg = REG_RD_IND(bp, bp->shmem_base +
					     BNX2_BC_STATE_CONDITION);
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_BC_STATE_CONDITION);
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
		int i;
		u32 addr = REG_RD_IND(bp, bp->shmem_base + BNX2_MFW_VER_PTR);

		bp->fw_version[j++] = ' ';
		for (i = 0; i < 3; i++) {
			reg = REG_RD_IND(bp, addr + i * 4);
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
6602

6603
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
6604 6605 6606
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

6607
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
6608 6609 6610 6611 6612 6613
	bp->mac_addr[2] = (u8) (reg >> 24);
	bp->mac_addr[3] = (u8) (reg >> 16);
	bp->mac_addr[4] = (u8) (reg >> 8);
	bp->mac_addr[5] = (u8) reg;

	bp->tx_ring_size = MAX_TX_DESC_CNT;
6614
	bnx2_set_rx_ring_size(bp, 255);
6615 6616 6617 6618 6619 6620 6621 6622 6623

	bp->rx_csum = 1;

	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

	bp->tx_quick_cons_trip_int = 20;
	bp->tx_quick_cons_trip = 20;
	bp->tx_ticks_int = 80;
	bp->tx_ticks = 80;
6624

6625 6626 6627 6628 6629
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

6630
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6631 6632

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
6633
	bp->current_interval =  HZ;
6634

M
Michael Chan 已提交
6635 6636
	bp->phy_addr = 1;

6637
	/* Disable WOL support if we are running on a SERDES chip. */
6638 6639 6640
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
6641
		bp->phy_flags |= PHY_SERDES_FLAG;
M
Michael Chan 已提交
6642

6643
	bp->phy_port = PORT_TP;
M
Michael Chan 已提交
6644
	if (bp->phy_flags & PHY_SERDES_FLAG) {
6645
		bp->phy_port = PORT_FIBRE;
M
Michael Chan 已提交
6646 6647 6648 6649 6650 6651
		reg = REG_RD_IND(bp, bp->shmem_base +
				     BNX2_SHARED_HW_CFG_CONFIG);
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
			bp->flags |= NO_WOL_FLAG;
			bp->wol = 0;
		}
M
Michael Chan 已提交
6652
		if (CHIP_NUM(bp) != CHIP_NUM_5706) {
M
Michael Chan 已提交
6653 6654 6655 6656
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
				bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
		}
6657 6658
		bnx2_init_remote_phy(bp);

6659 6660 6661
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
		bp->phy_flags |= PHY_CRC_FIX_FLAG;
6662 6663
	else if (CHIP_ID(bp) == CHIP_ID_5709_A0 ||
		 CHIP_ID(bp) == CHIP_ID_5709_A1)
6664
		bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
6665

6666 6667
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
6668
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
6669
		bp->flags |= NO_WOL_FLAG;
M
Michael Chan 已提交
6670 6671
		bp->wol = 0;
	}
M
Michael Chan 已提交
6672

6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		bp->tx_quick_cons_trip_int =
			bp->tx_quick_cons_trip;
		bp->tx_ticks_int = bp->tx_ticks;
		bp->rx_quick_cons_trip_int =
			bp->rx_quick_cons_trip;
		bp->rx_ticks_int = bp->rx_ticks;
		bp->comp_prod_trip_int = bp->comp_prod_trip;
		bp->com_ticks_int = bp->com_ticks;
		bp->cmd_ticks_int = bp->cmd_ticks;
	}

6685 6686 6687 6688 6689 6690 6691 6692
	/* Disable MSI on 5706 if AMD 8132 bridge is found.
	 *
	 * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
	 * with byte enables disabled on the unused 32-bit word.  This is legal
	 * but causes problems on the AMD 8132 which will eventually stop
	 * responding after a while.
	 *
	 * AMD believes this incompatibility is unique to the 5706, and
6693
	 * prefers to locally disable MSI rather than globally disabling it.
6694 6695 6696 6697 6698 6699 6700 6701
	 */
	if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
		struct pci_dev *amd_8132 = NULL;

		while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
						  PCI_DEVICE_ID_AMD_8132_BRIDGE,
						  amd_8132))) {

6702 6703
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
6704 6705 6706 6707 6708 6709 6710
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

6711
	bnx2_set_default_link(bp);
6712 6713
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
6714 6715 6716 6717 6718
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

6719 6720 6721 6722 6723
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
6724
		bp->regview = NULL;
6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737
	}

err_out_release:
	pci_release_regions(pdev);

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

	if (bp->flags & PCIE_FLAG) {
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
		if (bp->flags & PCIX_FLAG)
			s += sprintf(s, "-X");
		if (bp->flags & PCI_32BIT_FLAG)
			s += sprintf(s, " 32-bit");
		else
			s += sprintf(s, " 64-bit");
		s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
	}
	return str;
}

6758 6759 6760 6761 6762 6763
static int __devinit
bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	static int version_printed = 0;
	struct net_device *dev = NULL;
	struct bnx2 *bp;
6764
	int rc;
6765
	char str[40];
6766
	DECLARE_MAC_BUF(mac);
6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797

	if (version_printed++ == 0)
		printk(KERN_INFO "%s", version);

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));

	if (!dev)
		return -ENOMEM;

	rc = bnx2_init_board(pdev, dev);
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	dev->open = bnx2_open;
	dev->hard_start_xmit = bnx2_start_xmit;
	dev->stop = bnx2_close;
	dev->get_stats = bnx2_get_stats;
	dev->set_multicast_list = bnx2_set_rx_mode;
	dev->do_ioctl = bnx2_ioctl;
	dev->set_mac_address = bnx2_change_mac_addr;
	dev->change_mtu = bnx2_change_mtu;
	dev->tx_timeout = bnx2_tx_timeout;
	dev->watchdog_timeo = TX_TIMEOUT;
#ifdef BCM_VLAN
	dev->vlan_rx_register = bnx2_vlan_rx_register;
#endif
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
6798
	bp = netdev_priv(dev);
6799
	netif_napi_add(dev, &bp->napi, bnx2_poll, 64);
6800 6801 6802 6803 6804

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	dev->poll_controller = poll_bnx2;
#endif

6805 6806 6807 6808 6809 6810
	pci_set_drvdata(pdev, dev);

	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);
	bp->name = board_info[ent->driver_data].name;

6811
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
6812
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
6813 6814
		dev->features |= NETIF_F_IPV6_CSUM;

6815 6816 6817 6818
#ifdef BCM_VLAN
	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
#endif
	dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6819 6820
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
6821

6822
	if ((rc = register_netdev(dev))) {
6823
		dev_err(&pdev->dev, "Cannot register net device\n");
6824 6825 6826 6827 6828 6829 6830 6831 6832
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

6833
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
6834
		"IRQ %d, node addr %s\n",
6835 6836 6837 6838
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
6839
		bnx2_bus_string(bp, str),
6840
		dev->base_addr,
6841
		bp->pdev->irq, print_mac(mac, dev->dev_addr));
6842 6843 6844 6845 6846 6847 6848 6849

	return 0;
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6850
	struct bnx2 *bp = netdev_priv(dev);
6851

6852 6853
	flush_scheduled_work();

6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865
	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
6866
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
6867 6868
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6869
	struct bnx2 *bp = netdev_priv(dev);
6870 6871
	u32 reset_code;

6872 6873 6874 6875 6876
	/* PCI register 4 needs to be saved whether netif_running() or not.
	 * MSI address and data need to be saved if using MSI and
	 * netif_running().
	 */
	pci_save_state(pdev);
6877 6878 6879
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
6880
	flush_scheduled_work();
6881 6882 6883
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
6884
	if (bp->flags & NO_WOL_FLAG)
6885
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
6886
	else if (bp->wol)
6887 6888 6889 6890 6891
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
	bnx2_free_skbs(bp);
6892
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
6893 6894 6895 6896 6897 6898 6899
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6900
	struct bnx2 *bp = netdev_priv(dev);
6901

6902
	pci_restore_state(pdev);
6903 6904 6905
	if (!netif_running(dev))
		return 0;

6906
	bnx2_set_power_state(bp, PCI_D0);
6907 6908 6909 6910 6911 6912 6913
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
6914 6915 6916 6917 6918 6919
	.name		= DRV_MODULE_NAME,
	.id_table	= bnx2_pci_tbl,
	.probe		= bnx2_init_one,
	.remove		= __devexit_p(bnx2_remove_one),
	.suspend	= bnx2_suspend,
	.resume		= bnx2_resume,
6920 6921 6922 6923
};

static int __init bnx2_init(void)
{
6924
	return pci_register_driver(&bnx2_pci_driver);
6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936
}

static void __exit bnx2_cleanup(void)
{
	pci_unregister_driver(&bnx2_pci_driver);
}

module_init(bnx2_init);
module_exit(bnx2_cleanup);