bnx2.c 142.5 KB
Newer Older
1 2
/* bnx2.c: Broadcom NX2 network driver.
 *
3
 * Copyright (c) 2004, 2005, 2006 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 43 44 45 46 47 48 49 50
#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
#ifdef NETIF_F_TSO
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
#define BCM_TSO 1
#endif
#include <linux/workqueue.h>
#include <linux/crc32.h>
#include <linux/prefetch.h>
51
#include <linux/cache.h>
52
#include <linux/zlib.h>
M
Michael Chan 已提交
53

54 55 56 57 58
#include "bnx2.h"
#include "bnx2_fw.h"

#define DRV_MODULE_NAME		"bnx2"
#define PFX DRV_MODULE_NAME	": "
59 60
#define DRV_MODULE_VERSION	"1.4.43"
#define DRV_MODULE_RELDATE	"June 28, 2006"
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,
88 89 90
} board_t;

/* indexed by board_t, above */
91
static const struct {
92 93 94 95 96 97 98
	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
99 100
	{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
	{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
101 102 103 104 105 106 107 108 109
	};

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
110 111
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
112 113 114 115
	{ 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
116 117
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
118 119 120 121 122 123
	{ 0, }
};

static struct flash_spec flash_table[] =
{
	/* Slow EEPROM */
124
	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
125 126 127
	 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - slow"},
128 129
	/* Expansion entry 0001 */
	{0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
130
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
131 132
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0001"},
133 134
	/* Saifun SA25F010 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
135
	{0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
136 137 138 139 140
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 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 */
141
	{0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
142 143 144
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
	 "Non-buffered flash (256kB)"},
145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205
	/* Expansion entry 0100 */
	{0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0100"},
	/* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
	{0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,        
	 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
	 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,
	 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
	 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,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
	 "Non-buffered flash (64kB)"},
	/* Fast EEPROM */
	{0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
	 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1010"},
	/* ATMEL AT45DB011B (buffered flash) */
	{0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
	 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
	 "Buffered flash (128kB)"},
	/* Expansion entry 1100 */
	{0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
	 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1101"},
	/* Ateml Expansion entry 1110 */
	{0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
	 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
	 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1110 (Atmel)"},
	/* ATMEL AT45DB021B (buffered flash) */
	{0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
	 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
206 207 208 209
};

MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

M
Michael Chan 已提交
210 211 212 213 214 215 216 217 218
static inline u32 bnx2_tx_avail(struct bnx2 *bp)
{
	u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);

	if (diff > MAX_TX_DESC_CNT)
		diff = (diff & MAX_TX_DESC_CNT) - 1;
	return (bp->tx_ring_size - diff);
}

219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357
static u32
bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
{
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
	return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
}

static void
bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
{
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
}

static void
bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
{
	offset += cid_addr;
	REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
	REG_WR(bp, BNX2_CTX_DATA, val);
}

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);
    
	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)
{
358 359 360 361
	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);

362 363 364
	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
365
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
}

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)) {
		netif_poll_disable(bp->dev);
		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);
			netif_poll_enable(bp->dev);
			bnx2_enable_int(bp);
		}
	}
}

static void
bnx2_free_mem(struct bnx2 *bp)
{
402 403
	int i;

404
	if (bp->status_blk) {
405
		pci_free_consistent(bp->pdev, bp->status_stats_size,
406 407
				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
408
		bp->stats_blk = NULL;
409 410 411 412 413 414 415
	}
	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;
	}
416 417
	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
418 419 420 421 422 423 424 425 426
	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);
427
	bp->rx_buf_ring = NULL;
428 429 430 431 432
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
433
	int i, status_blk_size;
434

435 436
	bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
				  GFP_KERNEL);
437 438 439 440 441 442 443 444 445 446
	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;

447 448
	bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
				  bp->rx_max_ring);
449 450 451
	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

452 453 454 455 456 457 458 459 460 461 462 463
	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;

	}
464

465 466 467 468 469 470
	/* 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,
471 472 473 474
					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

475
	memset(bp->status_blk, 0, bp->status_stats_size);
476

477 478
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
479

480
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
481 482 483 484 485 486 487 488

	return 0;

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

489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

	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;

			bnx2_read_phy(bp, MII_BMSR, &bmsr);
			bnx2_read_phy(bp, MII_BMSR, &bmsr);

			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);
}

545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);

		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);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
	}
576 577

	bnx2_report_fw_link(bp);
578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
}

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

	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;
		}
		return;
	}

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

M
Michael Chan 已提交
599 600 601 602 603 604 605 606 607 608 609 610
	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;
	}

611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656
	bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
	bnx2_read_phy(bp, MII_LPA, &remote_adv);

	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;
		}
	}
}

static int
M
Michael Chan 已提交
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
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)
687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802
{
	u32 bmcr, local_adv, remote_adv, common;

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

	bnx2_read_phy(bp, MII_BMCR, &bmcr);
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

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

	bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
	bnx2_read_phy(bp, MII_LPA, &remote_adv);

	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;

	bnx2_read_phy(bp, MII_BMCR, &bmcr);
	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 {
			bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
			bnx2_read_phy(bp, MII_LPA, &remote_adv);

			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
803 804
		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
		BNX2_EMAC_MODE_25G);
805 806

	if (bp->link_up) {
M
Michael Chan 已提交
807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823
		switch (bp->line_speed) {
			case SPEED_10:
				if (CHIP_NUM(bp) == CHIP_NUM_5708) {
					val |= BNX2_EMAC_MODE_PORT_MII_10;
					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
				val |= BNX2_EMAC_MODE_25G;
				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
	}
	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;
}

static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

	if (bp->loopback == MAC_LOOPBACK) {
		bp->link_up = 1;
		return 0;
	}

	link_up = bp->link_up;

	bnx2_read_phy(bp, MII_BMSR, &bmsr);
	bnx2_read_phy(bp, MII_BMSR, &bmsr);

	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
886 887 888 889
			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
		if ((bp->phy_flags & PHY_SERDES_FLAG) &&
			(bp->autoneg & AUTONEG_SPEED)) {

			u32 bmcr;

			bnx2_read_phy(bp, MII_BMCR, &bmcr);
			if (!(bmcr & BMCR_ANENABLE)) {
				bnx2_write_phy(bp, MII_BMCR, bmcr |
					BMCR_ANENABLE);
			}
		}
		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;

        bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);

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

		bnx2_read_phy(bp, MII_BMCR, &reg);
		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;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp)
{
M
Michael Chan 已提交
982
	u32 adv, bmcr, up1;
983 984 985 986
	u32 new_adv = 0;

	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
M
Michael Chan 已提交
987 988 989 990 991 992 993 994 995 996 997 998 999
		int force_link_down = 0;

		if (CHIP_NUM(bp) == CHIP_NUM_5708) {
			bnx2_read_phy(bp, BCM5708S_UP1, &up1);
			if (up1 & BCM5708S_UP1_2G5) {
				up1 &= ~BCM5708S_UP1_2G5;
				bnx2_write_phy(bp, BCM5708S_UP1, up1);
				force_link_down = 1;
			}
		}

		bnx2_read_phy(bp, MII_ADVERTISE, &adv);
		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1000 1001 1002 1003 1004

		bnx2_read_phy(bp, MII_BMCR, &bmcr);
		new_bmcr = bmcr & ~BMCR_ANENABLE;
		new_bmcr |= BMCR_SPEED1000;
		if (bp->req_duplex == DUPLEX_FULL) {
M
Michael Chan 已提交
1005
			adv |= ADVERTISE_1000XFULL;
1006 1007 1008
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
M
Michael Chan 已提交
1009
			adv |= ADVERTISE_1000XHALF;
1010 1011
			new_bmcr &= ~BMCR_FULLDPLX;
		}
M
Michael Chan 已提交
1012
		if ((new_bmcr != bmcr) || (force_link_down)) {
1013 1014
			/* Force a link down visible on the other side */
			if (bp->link_up) {
M
Michael Chan 已提交
1015 1016 1017
				bnx2_write_phy(bp, MII_ADVERTISE, adv &
					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1018 1019 1020 1021 1022
				bnx2_write_phy(bp, MII_BMCR, bmcr |
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
M
Michael Chan 已提交
1023
				bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1024
			}
M
Michael Chan 已提交
1025
			bnx2_write_phy(bp, MII_ADVERTISE, adv);
1026 1027 1028 1029 1030
			bnx2_write_phy(bp, MII_BMCR, new_bmcr);
		}
		return 0;
	}

M
Michael Chan 已提交
1031 1032 1033 1034 1035 1036
	if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
		bnx2_read_phy(bp, BCM5708S_UP1, &up1);
		up1 |= BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, BCM5708S_UP1, up1);
	}

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

	bnx2_read_phy(bp, MII_ADVERTISE, &adv);
	bnx2_read_phy(bp, MII_BMCR, &bmcr);

	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) {
			int i;

			bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
			for (i = 0; i < 110; i++) {
				udelay(100);
			}
		}

		bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
		bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
			BMCR_ANENABLE);
M
Michael Chan 已提交
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
		if (CHIP_NUM(bp) == CHIP_NUM_5706) {
			/* 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);
		}
1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
	(ADVERTISED_1000baseT_Full)

#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)
	
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

	bnx2_read_phy(bp, MII_BMCR, &bmcr);

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

		bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
		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;
		
		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)) {

			bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
			bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
				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;
		int i = 0;

		bnx2_read_phy(bp, MII_BMSR, &bmsr);
		bnx2_read_phy(bp, MII_BMSR, &bmsr);
		
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
			bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
			do {
				udelay(100);
				bnx2_read_phy(bp, MII_BMSR, &bmsr);
				bnx2_read_phy(bp, MII_BMSR, &bmsr);
				i++;
			} while ((bmsr & BMSR_LSTATUS) && (i < 620));
		}

		bnx2_write_phy(bp, MII_BMCR, new_bmcr);

		/* 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);
		}
	}
	return 0;
}

static int
bnx2_setup_phy(struct bnx2 *bp)
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
		return (bnx2_setup_serdes_phy(bp));
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

static int
M
Michael Chan 已提交
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

	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
1224 1225
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1226 1227 1228 1229 1230 1231 1232 1233 1234
		/* 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);
	}

1235
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1236 1237 1238 1239 1240
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1241
		is_backplane = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
					  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)
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
{
	bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

	if (CHIP_NUM(bp) == CHIP_NUM_5706) {
        	REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
	}

	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
1293 1294
	u32 val;

1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325
	bp->phy_flags |= PHY_CRC_FIX_FLAG;

	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);
	}

	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
1326 1327 1328 1329
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352
	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;

        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

	bnx2_reset_phy(bp);

	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
1353 1354 1355 1356
		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);
1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

	bnx2_setup_phy(bp);

	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
1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411
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);
	rc = bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
			    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;
		udelay(10);
	}

	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 |
		      BNX2_EMAC_MODE_25G);

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

1412
static int
1413
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
1414 1415 1416 1417 1418 1419 1420
{
	int i;
	u32 val;

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

1421
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1422 1423

	/* wait for an acknowledgement. */
1424 1425
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
1426

1427
		val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
1428 1429 1430 1431

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
1432 1433
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
1434 1435

	/* If we timed out, inform the firmware that this is the case. */
1436 1437 1438 1439
	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);
1440 1441 1442 1443

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

1444
		REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1445 1446 1447 1448

		return -EBUSY;
	}

1449 1450 1451
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

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 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 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
	return 0;
}

static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;

		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;
		}

		REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
		REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);

		/* 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);
	}
}

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
bnx2_set_mac_addr(struct bnx2 *bp) 
{
	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);

	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 
		(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;
1569
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
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 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620
	unsigned long align;

	skb = dev_alloc_skb(bp->rx_buf_size);
	if (skb == NULL) {
		return -ENOMEM;
	}

	if (unlikely((align = (unsigned long) skb->data & 0x7))) {
		skb_reserve(skb, 8 - align);
	}

	skb->dev = bp->dev;
	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;
}

static void
bnx2_phy_int(struct bnx2 *bp)
{
	u32 new_link_state, old_link_state;

	new_link_state = bp->status_blk->status_attn_bits &
		STATUS_ATTN_BITS_LINK_STATE;
	old_link_state = bp->status_blk->status_attn_bits_ack &
		STATUS_ATTN_BITS_LINK_STATE;
	if (new_link_state != old_link_state) {
		if (new_link_state) {
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
				STATUS_ATTN_BITS_LINK_STATE);
		}
		else {
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
				STATUS_ATTN_BITS_LINK_STATE);
		}
		bnx2_set_link(bp);
	}
}

static void
bnx2_tx_int(struct bnx2 *bp)
{
M
Michael Chan 已提交
1621
	struct status_block *sblk = bp->status_blk;
1622 1623 1624
	u16 hw_cons, sw_cons, sw_ring_cons;
	int tx_free_bd = 0;

M
Michael Chan 已提交
1625
	hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641
	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;
#ifdef BCM_TSO 
		/* partial BD completions possible with TSO packets */
1642
		if (skb_shinfo(skb)->gso_size) {
1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677
			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;
			}
		}
#endif
		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;

1678
		dev_kfree_skb(skb);
1679

M
Michael Chan 已提交
1680 1681 1682
		hw_cons = bp->hw_tx_cons =
			sblk->status_tx_quick_consumer_index0;

1683 1684 1685 1686 1687
		if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
			hw_cons++;
		}
	}

M
Michael Chan 已提交
1688
	bp->tx_cons = sw_cons;
1689 1690

	if (unlikely(netif_queue_stopped(bp->dev))) {
1691
		spin_lock(&bp->tx_lock);
1692
		if ((netif_queue_stopped(bp->dev)) &&
M
Michael Chan 已提交
1693
		    (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
1694 1695 1696

			netif_wake_queue(bp->dev);
		}
1697
		spin_unlock(&bp->tx_lock);
1698 1699 1700 1701 1702 1703 1704
	}
}

static inline void
bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
	u16 cons, u16 prod)
{
1705 1706 1707 1708 1709
	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];
1710 1711 1712 1713 1714

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

1715
	bp->rx_prod_bseq += bp->rx_buf_use_size;
1716

1717
	prod_rx_buf->skb = skb;
1718

1719 1720
	if (cons == prod)
		return;
1721

1722 1723 1724
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

1725 1726
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
1727 1728
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
1729 1730 1731 1732 1733
}

static int
bnx2_rx_int(struct bnx2 *bp, int budget)
{
M
Michael Chan 已提交
1734
	struct status_block *sblk = bp->status_blk;
1735 1736 1737 1738
	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
1739
	hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751
	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;
1752
		u32 status;
1753 1754
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
1755
		dma_addr_t dma_addr;
1756 1757 1758 1759 1760 1761

		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;
1762 1763 1764 1765 1766 1767

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
1768 1769 1770 1771 1772
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

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

1773
		if ((status = rx_hdr->l2_fhdr_status) &
1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807
			(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;

			new_skb = dev_alloc_skb(len + 2);
			if (new_skb == NULL)
				goto reuse_rx;

			/* aligned copy */
			memcpy(new_skb->data,
				skb->data + bp->rx_offset - 2,
				len + 2);

			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);
			new_skb->dev = bp->dev;

			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) {
1808
			pci_unmap_single(bp->pdev, dma_addr,
1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823
				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
1824
			(ntohs(skb->protocol) != 0x8100)) {
1825

1826
			dev_kfree_skb(skb);
1827 1828 1829 1830 1831 1832 1833 1834 1835
			goto next_rx;

		}

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

1836 1837
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858
				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
1859 1860 1861 1862 1863 1864 1865 1866 1867

		/* 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();
		}
1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888
	}
	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
bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
1889
	struct bnx2 *bp = netdev_priv(dev);
1890

1891
	prefetch(bp->status_blk);
1892 1893 1894 1895 1896
	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. */
1897 1898
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
1899

1900
	netif_rx_schedule(dev);
1901

1902
	return IRQ_HANDLED;
1903 1904 1905 1906 1907 1908
}

static irqreturn_t
bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
1909
	struct bnx2 *bp = netdev_priv(dev);
1910 1911 1912 1913 1914 1915 1916

	/* 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.
	 */
1917
	if ((bp->status_blk->status_idx == bp->last_status_idx) &&
1918 1919
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1920
		return IRQ_NONE;
1921 1922 1923 1924 1925 1926

	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 shared and is disabled. */
1927 1928
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
1929

1930
	netif_rx_schedule(dev);
1931

1932
	return IRQ_HANDLED;
1933 1934
}

M
Michael Chan 已提交
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
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;

	if (((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) !=
	    bp->link_up)
		return 1;

	return 0;
}

1951 1952 1953
static int
bnx2_poll(struct net_device *dev, int *budget)
{
M
Michael Chan 已提交
1954
	struct bnx2 *bp = netdev_priv(dev);
1955 1956 1957 1958 1959 1960

	if ((bp->status_blk->status_attn_bits &
		STATUS_ATTN_BITS_LINK_STATE) !=
		(bp->status_blk->status_attn_bits_ack &
		STATUS_ATTN_BITS_LINK_STATE)) {

1961
		spin_lock(&bp->phy_lock);
1962
		bnx2_phy_int(bp);
1963
		spin_unlock(&bp->phy_lock);
M
Michael Chan 已提交
1964 1965 1966 1967 1968 1969 1970

		/* 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);
1971 1972
	}

M
Michael Chan 已提交
1973
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
1974 1975
		bnx2_tx_int(bp);

M
Michael Chan 已提交
1976
	if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987
		int orig_budget = *budget;
		int work_done;

		if (orig_budget > dev->quota)
			orig_budget = dev->quota;
		
		work_done = bnx2_rx_int(bp, orig_budget);
		*budget -= work_done;
		dev->quota -= work_done;
	}
	
M
Michael Chan 已提交
1988 1989 1990 1991
	bp->last_status_idx = bp->status_blk->status_idx;
	rmb();

	if (!bnx2_has_work(bp)) {
1992
		netif_rx_complete(dev);
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
		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);

2004
		REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2005 2006
		       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
		       bp->last_status_idx);
2007 2008 2009 2010 2011 2012
		return 0;
	}

	return 1;
}

H
Herbert Xu 已提交
2013
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
2014 2015 2016 2017 2018
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
2019
	struct bnx2 *bp = netdev_priv(dev);
2020 2021 2022
	u32 rx_mode, sort_mode;
	int i;

2023
	spin_lock_bh(&bp->phy_lock);
2024 2025 2026 2027 2028

	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
2029
	if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2030 2031
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
M
Michael Chan 已提交
2032 2033
	if (!(bp->flags & ASF_ENABLE_FLAG))
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
	}
	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);

2084
	spin_unlock_bh(&bp->phy_lock);
2085 2086
}

2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 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
#define FW_BUF_SIZE	0x8000

static int
bnx2_gunzip_init(struct bnx2 *bp)
{
	if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL)
		goto gunzip_nomem1;

	if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL)
		goto gunzip_nomem2;

	bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
	if (bp->strm->workspace == NULL)
		goto gunzip_nomem3;

	return 0;

gunzip_nomem3:
	kfree(bp->strm);
	bp->strm = NULL;

gunzip_nomem2:
	vfree(bp->gunzip_buf);
	bp->gunzip_buf = NULL;

gunzip_nomem1:
	printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for "
			    "uncompression.\n", bp->dev->name);
	return -ENOMEM;
}

static void
bnx2_gunzip_end(struct bnx2 *bp)
{
	kfree(bp->strm->workspace);

	kfree(bp->strm);
	bp->strm = NULL;

	if (bp->gunzip_buf) {
		vfree(bp->gunzip_buf);
		bp->gunzip_buf = NULL;
	}
}

static int
bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen)
{
	int n, rc;

	/* check gzip header */
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
		return -EINVAL;

	n = 10;

#define FNAME	0x8
	if (zbuf[3] & FNAME)
		while ((zbuf[n++] != 0) && (n < len));

	bp->strm->next_in = zbuf + n;
	bp->strm->avail_in = len - n;
	bp->strm->next_out = bp->gunzip_buf;
	bp->strm->avail_out = FW_BUF_SIZE;

	rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
	if (rc != Z_OK)
		return rc;

	rc = zlib_inflate(bp->strm, Z_FINISH);

	*outlen = FW_BUF_SIZE - bp->strm->avail_out;
	*outbuf = bp->gunzip_buf;

	if ((rc != Z_OK) && (rc != Z_STREAM_END))
		printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
		       bp->dev->name, bp->strm->msg);

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

2173 2174 2175 2176 2177 2178 2179 2180 2181
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) {
2182
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
2183
		rv2p_code++;
2184
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223
		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);
	}
}

static void
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;

	/* 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);
	if (fw->text) {
		int j;

		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2224
			REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279
	        }
	}

	/* 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);
	if (fw->sbss) {
		int j;

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

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
	if (fw->bss) {
		int j;

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

	/* 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);
}

2280
static int
2281 2282 2283 2284
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
	struct fw_info fw;
2285 2286 2287 2288 2289 2290
	int rc = 0;
	void *text;
	u32 text_len;

	if ((rc = bnx2_gunzip_init(bp)) != 0)
		return rc;
2291 2292

	/* Initialize the RV2P processor. */
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305
	rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text,
			 &text_len);
	if (rc)
		goto init_cpu_err;

	load_rv2p_fw(bp, text, text_len, RV2P_PROC1);

	rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text,
			 &text_len);
	if (rc)
		goto init_cpu_err;

	load_rv2p_fw(bp, text, text_len, RV2P_PROC2);
2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328

	/* 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;
    
	fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
	fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
	fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
	fw.start_addr = bnx2_RXP_b06FwStartAddr;

	fw.text_addr = bnx2_RXP_b06FwTextAddr;
	fw.text_len = bnx2_RXP_b06FwTextLen;
	fw.text_index = 0;
2329 2330 2331 2332 2333 2334 2335

	rc = bnx2_gunzip(bp, bnx2_RXP_b06FwText, sizeof(bnx2_RXP_b06FwText),
			 &text, &text_len);
	if (rc)
		goto init_cpu_err;

	fw.text = text;
2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380

	fw.data_addr = bnx2_RXP_b06FwDataAddr;
	fw.data_len = bnx2_RXP_b06FwDataLen;
	fw.data_index = 0;
	fw.data = bnx2_RXP_b06FwData;

	fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
	fw.sbss_len = bnx2_RXP_b06FwSbssLen;
	fw.sbss_index = 0;
	fw.sbss = bnx2_RXP_b06FwSbss;

	fw.bss_addr = bnx2_RXP_b06FwBssAddr;
	fw.bss_len = bnx2_RXP_b06FwBssLen;
	fw.bss_index = 0;
	fw.bss = bnx2_RXP_b06FwBss;

	fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
	fw.rodata_len = bnx2_RXP_b06FwRodataLen;
	fw.rodata_index = 0;
	fw.rodata = bnx2_RXP_b06FwRodata;

	load_cpu_fw(bp, &cpu_reg, &fw);

	/* 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;
    
	fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
	fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
	fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
	fw.start_addr = bnx2_TXP_b06FwStartAddr;

	fw.text_addr = bnx2_TXP_b06FwTextAddr;
	fw.text_len = bnx2_TXP_b06FwTextLen;
	fw.text_index = 0;
2381 2382 2383 2384 2385 2386 2387

	rc = bnx2_gunzip(bp, bnx2_TXP_b06FwText, sizeof(bnx2_TXP_b06FwText),
			 &text, &text_len);
	if (rc)
		goto init_cpu_err;

	fw.text = text;
2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432

	fw.data_addr = bnx2_TXP_b06FwDataAddr;
	fw.data_len = bnx2_TXP_b06FwDataLen;
	fw.data_index = 0;
	fw.data = bnx2_TXP_b06FwData;

	fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
	fw.sbss_len = bnx2_TXP_b06FwSbssLen;
	fw.sbss_index = 0;
	fw.sbss = bnx2_TXP_b06FwSbss;

	fw.bss_addr = bnx2_TXP_b06FwBssAddr;
	fw.bss_len = bnx2_TXP_b06FwBssLen;
	fw.bss_index = 0;
	fw.bss = bnx2_TXP_b06FwBss;

	fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
	fw.rodata_len = bnx2_TXP_b06FwRodataLen;
	fw.rodata_index = 0;
	fw.rodata = bnx2_TXP_b06FwRodata;

	load_cpu_fw(bp, &cpu_reg, &fw);

	/* 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;
    
	fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
	fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
	fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
	fw.start_addr = bnx2_TPAT_b06FwStartAddr;

	fw.text_addr = bnx2_TPAT_b06FwTextAddr;
	fw.text_len = bnx2_TPAT_b06FwTextLen;
	fw.text_index = 0;
2433 2434 2435 2436 2437 2438 2439

	rc = bnx2_gunzip(bp, bnx2_TPAT_b06FwText, sizeof(bnx2_TPAT_b06FwText),
			 &text, &text_len);
	if (rc)
		goto init_cpu_err;

	fw.text = text;
2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484

	fw.data_addr = bnx2_TPAT_b06FwDataAddr;
	fw.data_len = bnx2_TPAT_b06FwDataLen;
	fw.data_index = 0;
	fw.data = bnx2_TPAT_b06FwData;

	fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
	fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
	fw.sbss_index = 0;
	fw.sbss = bnx2_TPAT_b06FwSbss;

	fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
	fw.bss_len = bnx2_TPAT_b06FwBssLen;
	fw.bss_index = 0;
	fw.bss = bnx2_TPAT_b06FwBss;

	fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
	fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
	fw.rodata_index = 0;
	fw.rodata = bnx2_TPAT_b06FwRodata;

	load_cpu_fw(bp, &cpu_reg, &fw);

	/* 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;
    
	fw.ver_major = bnx2_COM_b06FwReleaseMajor;
	fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
	fw.ver_fix = bnx2_COM_b06FwReleaseFix;
	fw.start_addr = bnx2_COM_b06FwStartAddr;

	fw.text_addr = bnx2_COM_b06FwTextAddr;
	fw.text_len = bnx2_COM_b06FwTextLen;
	fw.text_index = 0;
2485 2486 2487 2488 2489 2490 2491

	rc = bnx2_gunzip(bp, bnx2_COM_b06FwText, sizeof(bnx2_COM_b06FwText),
			 &text, &text_len);
	if (rc)
		goto init_cpu_err;

	fw.text = text;
2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514

	fw.data_addr = bnx2_COM_b06FwDataAddr;
	fw.data_len = bnx2_COM_b06FwDataLen;
	fw.data_index = 0;
	fw.data = bnx2_COM_b06FwData;

	fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
	fw.sbss_len = bnx2_COM_b06FwSbssLen;
	fw.sbss_index = 0;
	fw.sbss = bnx2_COM_b06FwSbss;

	fw.bss_addr = bnx2_COM_b06FwBssAddr;
	fw.bss_len = bnx2_COM_b06FwBssLen;
	fw.bss_index = 0;
	fw.bss = bnx2_COM_b06FwBss;

	fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
	fw.rodata_len = bnx2_COM_b06FwRodataLen;
	fw.rodata_index = 0;
	fw.rodata = bnx2_COM_b06FwRodata;

	load_cpu_fw(bp, &cpu_reg, &fw);

2515 2516 2517
init_cpu_err:
	bnx2_gunzip_end(bp);
	return rc;
2518 2519 2520
}

static int
2521
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
2522 2523 2524 2525 2526 2527
{
	u16 pmcsr;

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

	switch (state) {
2528
	case PCI_D0: {
2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548
		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;
	}
2549
	case PCI_D3hot: {
2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615
		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
2616 2617
		if (!(bp->flags & NO_WOL_FLAG))
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 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 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902

		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);

	if (!bp->flash_info->buffered) {
		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. */
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
	       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. */
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
		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;

	if (bp->flash_info->buffered)
		/* 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;

	/* Calculate an offset of a buffered flash. */
	if (bp->flash_info->buffered) {
		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;

	/* Calculate an offset of a buffered flash. */
	if (bp->flash_info->buffered) {
		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;
	int j, entry_count, rc;
	struct flash_spec *flash;

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

	entry_count = sizeof(flash_table) / sizeof(struct flash_spec);

	rc = 0;
	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
2903 2904 2905
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
2906 2907 2908 2909 2910 2911
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
2912
		u32 mask;
2913 2914
		/* Not yet been reconfigured */

2915 2916 2917 2918 2919
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

2920 2921 2922
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

2923
			if ((val & mask) == (flash->strapping & mask)) {
2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949
				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;
2950
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
2951
		return -ENODEV;
2952 2953
	}

M
Michael Chan 已提交
2954 2955 2956 2957 2958 2959 2960
	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;

2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078
	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;
3079
	u8 *buf, start[4], end[4], *flash_buffer = NULL;
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
	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;
		len32 += align_start;
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
	       	if ((len32 > 4) || !align_start) {
			align_end = 4 - (len32 & 3);
			len32 += align_end;
			if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
				end, 4))) {
				return rc;
			}
		}
	}

	if (align_start || align_end) {
		buf = kmalloc(len32, GFP_KERNEL);
		if (buf == 0)
			return -ENOMEM;
		if (align_start) {
			memcpy(buf, start, 4);
		}
		if (align_end) {
			memcpy(buf + len32 - 4, end, 4);
		}
		memcpy(buf + align_start, data_buf, buf_size);
	}

3119 3120 3121 3122 3123 3124 3125 3126
	if (bp->flash_info->buffered == 0) {
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

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
	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 */
		data_end = (page_end > offset32 + len32) ? 
			(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;
		if (bp->flash_info->buffered == 0) {
			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,
					page_start + j, 
					&flash_buffer[j], 
					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;

		/* 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);

		/* Loop to write back the buffer data from page_start to
		 * data_start */
		i = 0;
		if (bp->flash_info->buffered == 0) {
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
				
				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 */
3202
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3203 3204 3205 3206 3207 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 3245 3246 3247 3248 3249
			if ((addr == page_end - 4) ||
				((bp->flash_info->buffered) &&
				 (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 */
		if (bp->flash_info->buffered == 0) {
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
			
				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:
3250 3251 3252
	if (bp->flash_info->buffered == 0)
		kfree(flash_buffer);

3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273
	if (align_start || align_end)
		kfree(buf);
	return rc;
}

static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;

	/* 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);

3274 3275 3276
	/* 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);

3277 3278
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
3279
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
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 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320
		   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);

	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);

	if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5706_A1))
		msleep(15);

	/* 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;
	}

	/* 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. */
3321 3322 3323
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340

	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;
3341
	int rc;
3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356

	/* 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
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | 
#endif
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP | 
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

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

M
Michael Chan 已提交
3357
	if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
3358 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
		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. */
	bnx2_init_context(bp);

3390 3391 3392
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 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 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478
	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;
	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);

	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, 
	       (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);

	REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
		REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
	else {
		REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
		       BNX2_HC_CONFIG_TX_TMR_MODE |
		       BNX2_HC_CONFIG_COLLECT_STATS);
	}

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

	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);

M
Michael Chan 已提交
3479 3480 3481 3482
	if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
	    BNX2_PORT_FEATURE_ASF_ENABLED)
		bp->flags |= ASF_ENABLE_FLAG;

3483 3484 3485
	/* Initialize the receive filter. */
	bnx2_set_rx_mode(bp->dev);

3486 3487
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
3488 3489 3490 3491 3492 3493

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
3494 3495
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

3496
	return rc;
3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512
}


static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
	u32 val;

	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
		
	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
3513
	bp->hw_tx_cons = 0;
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
	bp->tx_prod_bseq = 0;
	
	val = BNX2_L2CTX_TYPE_TYPE_L2;
	val |= BNX2_L2CTX_TYPE_SIZE_L2;
	CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
	val |= 8 << 16;
	CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);

	val = (u64) bp->tx_desc_mapping >> 32;
	CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
	CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
}

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

	/* 8 for CRC and VLAN */
	bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
	/* 8 for alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + 8;

	ring_prod = prod = bp->rx_prod = 0;
	bp->rx_cons = 0;
M
Michael Chan 已提交
3546
	bp->hw_rx_cons = 0;
3547 3548
	bp->rx_prod_bseq = 0;
		
3549 3550
	for (i = 0; i < bp->rx_max_ring; i++) {
		int j;
3551

3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564
		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;
	}
3565 3566 3567 3568 3569 3570

	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);

3571
	val = (u64) bp->rx_desc_mapping[0] >> 32;
3572 3573
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);

3574
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
3575 3576
	CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);

3577
	for (i = 0; i < bp->rx_ring_size; i++) {
3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590
		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);
}

3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613
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;
}

3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644
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);
		}
3645
		dev_kfree_skb(skb);
3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658
		i += j + 1;
	}

}

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

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

3659
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
3660 3661 3662
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

3663
		if (skb == NULL)
3664 3665 3666 3667 3668 3669 3670
			continue;

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

		rx_buf->skb = NULL;

3671
		dev_kfree_skb(skb);
3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691
	}
}

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;

3692 3693 3694
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717
	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;

	bnx2_init_phy(bp);
	bnx2_set_link(bp);
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
	int i;
3718
	static const struct {
3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754
		u16   offset;
		u16   flags;
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

		{ 0x0404, 0, 0x00003f00, 0x00000000 },
		{ 0x0418, 0, 0x00000000, 0xffffffff },
		{ 0x041c, 0, 0x00000000, 0xffffffff },
		{ 0x0420, 0, 0x00000000, 0x80ffffff },
		{ 0x0424, 0, 0x00000000, 0x00000000 },
		{ 0x0428, 0, 0x00000000, 0x00000001 },
		{ 0x0450, 0, 0x00000000, 0x0000ffff },
		{ 0x0454, 0, 0x00000000, 0xffffffff },
		{ 0x0458, 0, 0x00000000, 0xffffffff },

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

		{ 0x0c00, 0, 0x00000000, 0x00000001 },
		{ 0x0c04, 0, 0x00000000, 0x03ff0001 },
		{ 0x0c08, 0, 0x0f0ff073, 0x00000000 },

		{ 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
3755
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840
		{ 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 },
		{ 0x500c, 0, 0xf800f800, 0x07ff07ff },

		{ 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;
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;

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

3841
		save_val = readl(bp->regview + offset);
3842

3843
		writel(0, bp->regview + offset);
3844

3845
		val = readl(bp->regview + offset);
3846 3847 3848 3849 3850 3851 3852 3853
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

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

3854
		writel(0xffffffff, bp->regview + offset);
3855

3856
		val = readl(bp->regview + offset);
3857 3858 3859 3860 3861 3862 3863 3864
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

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

3865
		writel(save_val, bp->regview + offset);
3866 3867 3868
		continue;

reg_test_err:
3869
		writel(save_val, bp->regview + offset);
3870 3871 3872 3873 3874 3875 3876 3877 3878
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
3879
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903
		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;
3904
	static const struct {
3905 3906 3907 3908
		u32   offset;
		u32   len;
	} mem_tbl[] = {
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
3909
		{ 0xa0000,  0x3000 },
3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
	};

	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;
		}
	}
	
	return ret;
}

M
Michael Chan 已提交
3927 3928 3929
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

3930
static int
M
Michael Chan 已提交
3931
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
3932 3933 3934 3935
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
3936
	u16 rx_start_idx, rx_idx;
3937 3938 3939 3940 3941 3942
	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
3943 3944 3945 3946 3947 3948 3949 3950 3951 3952
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
		bp->loopback = 0;
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
3953 3954 3955

	pkt_size = 1514;
	skb = dev_alloc_skb(pkt_size);
3956 3957
	if (!skb)
		return -ENOMEM;
3958 3959 3960 3961 3962 3963 3964 3965 3966
	packet = skb_put(skb, pkt_size);
	memcpy(packet, bp->mac_addr, 6);
	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
3967 3968 3969
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

3970 3971 3972 3973 3974 3975 3976
	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
3977
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
3978 3979 3980 3981 3982 3983 3984

	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
3985 3986
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
3987

M
Michael Chan 已提交
3988 3989
	REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, bp->tx_prod);
	REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
3990 3991 3992

	udelay(100);

M
Michael Chan 已提交
3993 3994 3995
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

3996 3997 3998 3999 4000
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
4001
	dev_kfree_skb(skb);
4002

M
Michael Chan 已提交
4003
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
		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);

4022
	if (rx_hdr->l2_fhdr_status &
4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048
		(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
4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072
#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;
}

4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 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 4113 4114 4115
#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;

4116
	spin_lock_bh(&bp->phy_lock);
4117 4118
	bnx2_read_phy(bp, MII_BMSR, &bmsr);
	bnx2_read_phy(bp, MII_BMSR, &bmsr);
4119
	spin_unlock_bh(&bp->phy_lock);
4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138
		
	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
4139
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162
	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
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
	u32 msg;

M
Michael Chan 已提交
4163 4164 4165
	if (!netif_running(bp->dev))
		return;

4166 4167 4168 4169
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;

	msg = (u32) ++bp->fw_drv_pulse_wr_seq;
4170
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
4171

M
Michael Chan 已提交
4172 4173
	bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);

4174 4175 4176
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {

4177
		spin_lock(&bp->phy_lock);
4178 4179 4180 4181 4182 4183
		if (bp->serdes_an_pending) {
			bp->serdes_an_pending--;
		}
		else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
			u32 bmcr;

M
Michael Chan 已提交
4184 4185
			bp->current_interval = bp->timer_interval;

4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227
			bnx2_read_phy(bp, MII_BMCR, &bmcr);

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

				bnx2_write_phy(bp, 0x1c, 0x7c00);
				bnx2_read_phy(bp, 0x1c, &phy1);

				bnx2_write_phy(bp, 0x17, 0x0f01);
				bnx2_read_phy(bp, 0x15, &phy2);
				bnx2_write_phy(bp, 0x17, 0x0f01);
				bnx2_read_phy(bp, 0x15, &phy2);

				if ((phy1 & 0x10) &&	/* SIGNAL DETECT */
					!(phy2 & 0x20)) {	/* no CONFIG */

					bmcr &= ~BMCR_ANENABLE;
					bmcr |= BMCR_SPEED1000 |
						BMCR_FULLDPLX;
					bnx2_write_phy(bp, MII_BMCR, bmcr);
					bp->phy_flags |=
						PHY_PARALLEL_DETECT_FLAG;
				}
			}
		}
		else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
			(bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
			u32 phy2;

			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
			if (phy2 & 0x20) {
				u32 bmcr;

				bnx2_read_phy(bp, MII_BMCR, &bmcr);
				bmcr |= BMCR_ANENABLE;
				bnx2_write_phy(bp, MII_BMCR, bmcr);

				bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

			}
		}
M
Michael Chan 已提交
4228 4229
		else
			bp->current_interval = bp->timer_interval;
4230

4231
		spin_unlock(&bp->phy_lock);
4232 4233 4234
	}

bnx2_restart_timer:
M
Michael Chan 已提交
4235
	mod_timer(&bp->timer, jiffies + bp->current_interval);
4236 4237 4238 4239 4240 4241
}

/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
4242
	struct bnx2 *bp = netdev_priv(dev);
4243 4244
	int rc;

4245
	bnx2_set_power_state(bp, PCI_D0);
4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262
	bnx2_disable_int(bp);

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

	if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
		(CHIP_ID(bp) != CHIP_ID_5706_A1) &&
		!disable_msi) {

		if (pci_enable_msi(bp->pdev) == 0) {
			bp->flags |= USING_MSI_FLAG;
			rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
					dev);
		}
		else {
			rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4263
					IRQF_SHARED, dev->name, dev);
4264 4265 4266
		}
	}
	else {
4267
		rc = request_irq(bp->pdev->irq, bnx2_interrupt, IRQF_SHARED,
4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287
				dev->name, dev);
	}
	if (rc) {
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
		free_irq(bp->pdev->irq, dev);
		if (bp->flags & USING_MSI_FLAG) {
			pci_disable_msi(bp->pdev);
			bp->flags &= ~USING_MSI_FLAG;
		}
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
	
M
Michael Chan 已提交
4288
	mod_timer(&bp->timer, jiffies + bp->current_interval);
4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313

	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);
			free_irq(bp->pdev->irq, dev);
			pci_disable_msi(bp->pdev);
			bp->flags &= ~USING_MSI_FLAG;

			rc = bnx2_init_nic(bp);

			if (!rc) {
				rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4314
					IRQF_SHARED, dev->name, dev);
4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338
			}
			if (rc) {
				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
bnx2_reset_task(void *data)
{
	struct bnx2 *bp = data;

4339 4340 4341 4342
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
4343 4344 4345 4346 4347 4348
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
4349
	bp->in_reset_task = 0;
4350 4351 4352 4353 4354
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
4355
	struct bnx2 *bp = netdev_priv(dev);
4356 4357 4358 4359 4360 4361 4362 4363 4364 4365

	/* 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
4366
	struct bnx2 *bp = netdev_priv(dev);
4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379

	bnx2_netif_stop(bp);

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

	bnx2_netif_start(bp);
}

/* Called with rtnl_lock */
static void
bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
{
M
Michael Chan 已提交
4380
	struct bnx2 *bp = netdev_priv(dev);
4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391

	bnx2_netif_stop(bp);

	if (bp->vlgrp)
		bp->vlgrp->vlan_devices[vid] = NULL;
	bnx2_set_rx_mode(dev);

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
4392
/* Called with netif_tx_lock.
4393 4394 4395 4396 4397 4398 4399 4400
 * hard_start_xmit is pseudo-lockless - a lock is only required when
 * the tx queue is full. This way, we get the benefit of lockless
 * operations most of the time without the complexities to handle
 * netif_stop_queue/wake_queue race conditions.
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
4401
	struct bnx2 *bp = netdev_priv(dev);
4402 4403 4404 4405 4406 4407 4408
	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
4409
	if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429
		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;
	if (skb->ip_summed == CHECKSUM_HW) {
		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));
	}
#ifdef BCM_TSO 
4430
	if ((mss = skb_shinfo(skb)->gso_size) &&
4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449
		(skb->len > (bp->dev->mtu + ETH_HLEN))) {
		u32 tcp_opt_len, ip_tcp_len;

		if (skb_header_cloned(skb) &&
		    pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
			dev_kfree_skb(skb);
			return NETDEV_TX_OK;
		}

		tcp_opt_len = ((skb->h.th->doff - 5) * 4);
		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

		tcp_opt_len = 0;
		if (skb->h.th->doff > 5) {
			tcp_opt_len = (skb->h.th->doff - 5) << 2;
		}
		ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);

		skb->nh.iph->check = 0;
A
Alexey Dobriyan 已提交
4450
		skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513
		skb->h.th->check =
			~csum_tcpudp_magic(skb->nh.iph->saddr,
					    skb->nh.iph->daddr,
					    0, IPPROTO_TCP, 0);

		if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
			vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
				(tcp_opt_len >> 2)) << 8;
		}
	}
	else
#endif
	{
		mss = 0;
	}

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
	
	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;

	REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
	REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);

	mmiowb();

	bp->tx_prod = prod;
	dev->trans_start = jiffies;

M
Michael Chan 已提交
4514
	if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
4515
		spin_lock(&bp->tx_lock);
M
Michael Chan 已提交
4516 4517 4518 4519
		netif_stop_queue(dev);
		
		if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
			netif_wake_queue(dev);
4520
		spin_unlock(&bp->tx_lock);
4521 4522 4523 4524 4525 4526 4527 4528 4529
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
4530
	struct bnx2 *bp = netdev_priv(dev);
4531 4532
	u32 reset_code;

4533 4534 4535 4536 4537 4538 4539
	/* 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);

4540 4541
	bnx2_netif_stop(bp);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
4542
	if (bp->flags & NO_WOL_FLAG)
4543
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
4544
	else if (bp->wol)
4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
	free_irq(bp->pdev->irq, dev);
	if (bp->flags & USING_MSI_FLAG) {
		pci_disable_msi(bp->pdev);
		bp->flags &= ~USING_MSI_FLAG;
	}
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
4558
	bnx2_set_power_state(bp, PCI_D3hot);
4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577
	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
4578
	struct bnx2 *bp = netdev_priv(dev);
4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627
	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);

	net_stats->multicast = 
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

	net_stats->collisions = 
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

	net_stats->rx_length_errors = 
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

	net_stats->rx_over_errors = 
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

	net_stats->rx_frame_errors = 
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

	net_stats->rx_crc_errors = 
		(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
4628 4629
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
    		(unsigned long) 
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
4644 4645 4646 4647
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

4648 4649 4650 4651 4652 4653 4654 4655
	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
4656
	struct bnx2 *bp = netdev_priv(dev);
4657 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 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702

	cmd->supported = SUPPORTED_Autoneg;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;

		cmd->port = PORT_FIBRE;
	}
	else {
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

		cmd->port = PORT_TP;
	}

	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;
	}

	cmd->transceiver = XCVR_INTERNAL;
	cmd->phy_address = bp->phy_addr;

	return 0;
}
  
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
4703
	struct bnx2 *bp = netdev_priv(dev);
4704 4705 4706 4707 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 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;

	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED; 

		/* 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)) {

			if (bp->phy_flags & PHY_SERDES_FLAG)
				return -EINVAL;

			advertising = cmd->advertising;

		}
		else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
			advertising = cmd->advertising;
		}
		else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
			return -EINVAL;
		}
		else {
			if (bp->phy_flags & PHY_SERDES_FLAG) {
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
			}
			else {
				advertising = ETHTOOL_ALL_COPPER_SPEED;
			}
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			if ((cmd->speed != SPEED_1000) ||
				(cmd->duplex != DUPLEX_FULL)) {
				return -EINVAL;
			}
		}
		else if (cmd->speed == SPEED_1000) {
			return -EINVAL;
		}
		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;

4763
	spin_lock_bh(&bp->phy_lock);
4764 4765 4766

	bnx2_setup_phy(bp);

4767
	spin_unlock_bh(&bp->phy_lock);
4768 4769 4770 4771 4772 4773 4774

	return 0;
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
4775
	struct bnx2 *bp = netdev_priv(dev);
4776 4777 4778 4779 4780 4781 4782

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
	info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
	info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4783 4784
	info->fw_version[1] = info->fw_version[3] = '.';
	info->fw_version[5] = 0;
4785 4786
}

M
Michael Chan 已提交
4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844
#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;
		}
	}
}

4845 4846 4847
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
4848
	struct bnx2 *bp = netdev_priv(dev);
4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866

	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
4867
	struct bnx2 *bp = netdev_priv(dev);
4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886

	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
4887
	struct bnx2 *bp = netdev_priv(dev);
4888 4889 4890 4891 4892 4893
	u32 bmcr;

	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

4894
	spin_lock_bh(&bp->phy_lock);
4895 4896 4897 4898

	/* Force a link down visible on the other side */
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4899
		spin_unlock_bh(&bp->phy_lock);
4900 4901 4902

		msleep(20);

4903
		spin_lock_bh(&bp->phy_lock);
4904
		if (CHIP_NUM(bp) == CHIP_NUM_5706) {
M
Michael Chan 已提交
4905 4906 4907
			bp->current_interval = SERDES_AN_TIMEOUT;
			bp->serdes_an_pending = 1;
			mod_timer(&bp->timer, jiffies + bp->current_interval);
4908 4909 4910 4911 4912 4913 4914
		}
	}

	bnx2_read_phy(bp, MII_BMCR, &bmcr);
	bmcr &= ~BMCR_LOOPBACK;
	bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);

4915
	spin_unlock_bh(&bp->phy_lock);
4916 4917 4918 4919 4920 4921 4922

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
4923
	struct bnx2 *bp = netdev_priv(dev);
4924

M
Michael Chan 已提交
4925
	if (bp->flash_info == NULL)
4926 4927
		return 0;

M
Michael Chan 已提交
4928
	return (int) bp->flash_size;
4929 4930 4931 4932 4933 4934
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
4935
	struct bnx2 *bp = netdev_priv(dev);
4936 4937
	int rc;

4938
	/* parameters already validated in ethtool_get_eeprom */
4939 4940 4941 4942 4943 4944 4945 4946 4947 4948

	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
4949
	struct bnx2 *bp = netdev_priv(dev);
4950 4951
	int rc;

4952
	/* parameters already validated in ethtool_set_eeprom */
4953 4954 4955 4956 4957 4958 4959 4960 4961

	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
4962
	struct bnx2 *bp = netdev_priv(dev);
4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983

	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
4984
	struct bnx2 *bp = netdev_priv(dev);
4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;

	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; 
	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;
	if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
	bp->stats_ticks &= 0xffff00;

	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
5028
	struct bnx2 *bp = netdev_priv(dev);
5029

5030
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044
	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
5045
	struct bnx2 *bp = netdev_priv(dev);
5046

5047
	if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
5048 5049 5050 5051 5052
		(ering->tx_pending > MAX_TX_DESC_CNT) ||
		(ering->tx_pending <= MAX_SKB_FRAGS)) {

		return -EINVAL;
	}
5053 5054 5055 5056 5057 5058 5059 5060
	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);
5061 5062 5063
	bp->tx_ring_size = ering->tx_pending;

	if (netif_running(bp->dev)) {
5064 5065 5066 5067 5068
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
5069 5070 5071 5072 5073 5074 5075 5076 5077 5078
		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
5079
	struct bnx2 *bp = netdev_priv(dev);
5080 5081 5082 5083 5084 5085 5086 5087 5088

	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
5089
	struct bnx2 *bp = netdev_priv(dev);
5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103

	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;
	}

5104
	spin_lock_bh(&bp->phy_lock);
5105 5106 5107

	bnx2_setup_phy(bp);

5108
	spin_unlock_bh(&bp->phy_lock);
5109 5110 5111 5112 5113 5114 5115

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
5116
	struct bnx2 *bp = netdev_priv(dev);
5117 5118 5119 5120 5121 5122 5123

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
5124
	struct bnx2 *bp = netdev_priv(dev);
5125 5126 5127 5128 5129

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
5130 5131 5132 5133 5134 5135 5136 5137 5138 5139
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
	if (data)
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
	else
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
	return 0;
}

M
Michael Chan 已提交
5140
#define BNX2_NUM_STATS 46
5141

5142
static struct {
5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 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
	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
5190
	{ "rx_fw_discards" },
5191 5192 5193 5194
};

#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

5195
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240
    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),
    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
5241
    STATS_OFFSET32(stat_FwRxDrop),
5242 5243 5244 5245 5246
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
 */               
5247
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5248 5249 5250 5251
	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
5252
	4,4,4,4,4,4,
5253 5254
};

M
Michael Chan 已提交
5255 5256 5257 5258 5259
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
5260
	4,4,4,4,4,4,
M
Michael Chan 已提交
5261 5262
};

5263 5264
#define BNX2_NUM_TESTS 6

5265
static struct {
5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284
	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
bnx2_self_test_count(struct net_device *dev)
{
	return BNX2_NUM_TESTS;
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
5285
	struct bnx2 *bp = netdev_priv(dev);
5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
		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
5301
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358
			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 */
		msleep_interruptible(3000);
		if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
			msleep_interruptible(4000);
	}

	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 int
bnx2_get_stats_count(struct net_device *dev)
{
	return BNX2_NUM_STATS;
}

static void
bnx2_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, u64 *buf)
{
M
Michael Chan 已提交
5359
	struct bnx2 *bp = netdev_priv(dev);
5360 5361
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
5362
	u8 *stats_len_arr = NULL;
5363 5364 5365 5366 5367 5368

	if (hw_stats == NULL) {
		memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
		return;
	}

M
Michael Chan 已提交
5369 5370 5371 5372
	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))
5373
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
5374 5375
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398

	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
5399
	struct bnx2 *bp = netdev_priv(dev);
5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433
	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;
}

static struct ethtool_ops bnx2_ethtool_ops = {
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
5434 5435
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456
	.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,
	.get_tx_csum		= ethtool_op_get_tx_csum,
	.set_tx_csum		= ethtool_op_set_tx_csum,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
#ifdef BCM_TSO
	.get_tso		= ethtool_op_get_tso,
M
Michael Chan 已提交
5457
	.set_tso		= bnx2_set_tso,
5458 5459 5460 5461 5462 5463 5464
#endif
	.self_test_count	= bnx2_self_test_count,
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_stats_count	= bnx2_get_stats_count,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
5465
	.get_perm_addr		= ethtool_op_get_perm_addr,
5466 5467 5468 5469 5470 5471
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
5472
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
5473
	struct bnx2 *bp = netdev_priv(dev);
5474 5475 5476 5477 5478 5479 5480 5481 5482 5483
	int err;

	switch(cmd) {
	case SIOCGMIIPHY:
		data->phy_id = bp->phy_addr;

		/* fallthru */
	case SIOCGMIIREG: {
		u32 mii_regval;

5484
		spin_lock_bh(&bp->phy_lock);
5485
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5486
		spin_unlock_bh(&bp->phy_lock);
5487 5488 5489 5490 5491 5492 5493 5494 5495 5496

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;

5497
		spin_lock_bh(&bp->phy_lock);
5498
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5499
		spin_unlock_bh(&bp->phy_lock);
5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514

		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
5515
	struct bnx2 *bp = netdev_priv(dev);
5516

5517 5518 5519
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530
	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
5531
	struct bnx2 *bp = netdev_priv(dev);
5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551

	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
5552
	struct bnx2 *bp = netdev_priv(dev);
5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569

	disable_irq(bp->pdev->irq);
	bnx2_interrupt(bp->pdev->irq, dev, NULL);
	enable_irq(bp->pdev->irq);
}
#endif

static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
	int rc;
	u32 reg;

	SET_MODULE_OWNER(dev);
	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
5570
	bp = netdev_priv(dev);
5571 5572 5573 5574 5575 5576 5577

	bp->flags = 0;
	bp->phy_flags = 0;

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
5578 5579
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot enable PCI device, aborting.");
5580 5581 5582 5583
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5584 5585
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot find PCI device base address, aborting.\n");
5586 5587 5588 5589 5590 5591
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
5592 5593
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot obtain PCI resources, aborting.\n");
5594 5595 5596 5597 5598 5599 5600
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
5601 5602
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot find power management capability, aborting.\n");
5603 5604 5605 5606 5607 5608
		rc = -EIO;
		goto err_out_release;
	}

	bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
	if (bp->pcix_cap == 0) {
5609 5610
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot find PCIX capability, aborting.\n");
5611 5612 5613 5614 5615 5616 5617
		rc = -EIO;
		goto err_out_release;
	}

	if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
		bp->flags |= USING_DAC_FLAG;
		if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5618 5619
			dev_printk(KERN_ERR, &pdev->dev,
				"pci_set_consistent_dma_mask failed, aborting.\n");
5620 5621 5622 5623 5624
			rc = -EIO;
			goto err_out_release;
		}
	}
	else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5625 5626
		dev_printk(KERN_ERR, &pdev->dev,
			"System does not support DMA, aborting.\n");
5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645
		rc = -EIO;
		goto err_out_release;
	}

	bp->dev = dev;
	bp->pdev = pdev;

	spin_lock_init(&bp->phy_lock);
	spin_lock_init(&bp->tx_lock);
	INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
	mem_len = MB_GET_CID_ADDR(17);
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

	bp->regview = ioremap_nocache(dev->base_addr, mem_len);

	if (!bp->regview) {
5646 5647
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot map register space, aborting.\n");
5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659
		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);

5660
	bnx2_set_power_state(bp, PCI_D0);
5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718

	bp->chip_id = REG_RD(bp, BNX2_MISC_ID);

	/* Get bus information. */
	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;

	/* 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)) {

5719 5720
		dev_printk(KERN_ERR, &pdev->dev,
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
5721 5722 5723 5724 5725
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

5726 5727 5728 5729 5730 5731 5732 5733
	reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
	    BNX2_SHM_HDR_SIGNATURE_SIG)
		bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
	else
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

5734 5735 5736
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
5737
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
5738 5739 5740

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5741 5742
		dev_printk(KERN_ERR, &pdev->dev,
			"Firmware not running, aborting.\n");
5743 5744 5745 5746
		rc = -ENODEV;
		goto err_out_unmap;
	}

5747
	bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
5748

5749
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
5750 5751 5752
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

5753
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
5754 5755 5756 5757 5758 5759
	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;
5760
	bnx2_set_rx_ring_size(bp, 100);
5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778

	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;
		
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

	bp->stats_ticks = 1000000 & 0xffff00;

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
5779
	bp->current_interval =  HZ;
5780

M
Michael Chan 已提交
5781 5782
	bp->phy_addr = 1;

5783 5784 5785 5786
	/* Disable WOL support if we are running on a SERDES chip. */
	if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
		bp->phy_flags |= PHY_SERDES_FLAG;
		bp->flags |= NO_WOL_FLAG;
M
Michael Chan 已提交
5787 5788
		if (CHIP_NUM(bp) == CHIP_NUM_5708) {
			bp->phy_addr = 2;
5789
			reg = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
5790 5791 5792 5793
					 BNX2_SHARED_HW_CFG_CONFIG);
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
				bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
		}
5794 5795
	}

5796 5797 5798
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1))
M
Michael Chan 已提交
5799 5800
		bp->flags |= NO_WOL_FLAG;

5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816
	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;
	}

	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
M
Michael Chan 已提交
5817

5818
		reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
M
Michael Chan 已提交
5819 5820 5821 5822 5823 5824
		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;
		}
5825 5826 5827 5828 5829 5830 5831
	}
	else {
		bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
	}

	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
5832 5833 5834 5835 5836
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

5837 5838 5839 5840 5841
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
5842
		bp->regview = NULL;
5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 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
	}

err_out_release:
	pci_release_regions(pdev);

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

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;
	int rc, i;

	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;
	dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
#endif
	dev->poll = bnx2_poll;
	dev->ethtool_ops = &bnx2_ethtool_ops;
	dev->weight = 64;

M
Michael Chan 已提交
5897
	bp = netdev_priv(dev);
5898 5899 5900 5901 5902 5903

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	dev->poll_controller = poll_bnx2;
#endif

	if ((rc = register_netdev(dev))) {
5904 5905
		dev_printk(KERN_ERR, &pdev->dev,
			"Cannot register net device\n");
5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

	pci_set_drvdata(pdev, dev);

	memcpy(dev->dev_addr, bp->mac_addr, 6);
5918
	memcpy(dev->perm_addr, bp->mac_addr, 6);
5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944
	bp->name = board_info[ent->driver_data].name,
	printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
		"IRQ %d, ",
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
		((bp->flags & PCIX_FLAG) ? "-X" : ""),
		((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
		bp->bus_speed_mhz,
		dev->base_addr,
		bp->pdev->irq);

	printk("node addr ");
	for (i = 0; i < 6; i++)
		printk("%2.2x", dev->dev_addr[i]);
	printk("\n");

	dev->features |= NETIF_F_SG;
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
	dev->features |= NETIF_F_IP_CSUM;
#ifdef BCM_VLAN
	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
#endif
#ifdef BCM_TSO
M
Michael Chan 已提交
5945
	dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956
#endif

	netif_carrier_off(bp->dev);

	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
5957
	struct bnx2 *bp = netdev_priv(dev);
5958

5959 5960
	flush_scheduled_work();

5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972
	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
5973
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
5974 5975
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
5976
	struct bnx2 *bp = netdev_priv(dev);
5977 5978 5979 5980 5981
	u32 reset_code;

	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
5982
	flush_scheduled_work();
5983 5984 5985
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
5986
	if (bp->flags & NO_WOL_FLAG)
5987
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5988
	else if (bp->wol)
5989 5990 5991 5992 5993
		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);
5994
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
5995 5996 5997 5998 5999 6000 6001
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
6002
	struct bnx2 *bp = netdev_priv(dev);
6003 6004 6005 6006

	if (!netif_running(dev))
		return 0;

6007
	bnx2_set_power_state(bp, PCI_D0);
6008 6009 6010 6011 6012 6013 6014
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
6015 6016 6017 6018 6019 6020
	.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,
6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035 6036 6037
};

static int __init bnx2_init(void)
{
	return pci_module_init(&bnx2_pci_driver);
}

static void __exit bnx2_cleanup(void)
{
	pci_unregister_driver(&bnx2_pci_driver);
}

module_init(bnx2_init);
module_exit(bnx2_cleanup);